In order to enable high-speed, accurate winding of a wire on an armature in which a plurality of magnetic poles point radially outward in a radiating manner without requiring complicated control and correction operation of a nozzle, a nozzle (14) is supported so as to have, with respect to a rotating shaft (6), an inclination angle (θ1) that is half the angle formed by adjacent magnetic poles (4a) of a rotor (4) serving as a winding target; a wire (W) is wound around a first portion of a magnetic pole (4a) by linearly moving the rotating shaft (6) together with the nozzle (14) in a first direction parallel to the central axis of the rotor (4); the wire (W) is subsequently wound around a second portion of the magnetic pole (4a) by rotating the nozzle (14) by substantially 180° in a second direction about the rotating shaft (6); the wire (W) is subsequently wound around a third portion of the magnetic pole (4a) by linearly moving the rotating shaft (6) together with the nozzle (14) in a direction opposite from the first direction; and the wire (W) is subsequently wound around a fourth portion of the magnetic pole (4a) by rotating the nozzle (14) by substantially 180° in the second direction about the rotating shaft (6), whereby winding for one turn of the magnetic pole (4a) is performed.
In order to enable positioning of an end line after completion of winding, by a simple configuration, this workpiece holding device comprises a plurality of chucks (14) that hold a workpiece (8) having a salient pole (core) (8a) by moving relative to the workpiece (8) in the radial direction of the workpiece (8) and coming into contact with the workpiece (8) in a state in which wire rods (W1, W2, W3) fed out from nozzles (N1, N2, N3) are wound around the salient pole (8a). First chucks (14C, 14D, 14E) of the plurality of chucks (14) comprise holding portions for holding first portions of the wire rods (W1, W2, W3) placed between the salient pole (8a) and the nozzles (N1, N2, N3), and cutting of the wire rods (W1, W2, W3) is performed in a state in which the first portions are being held.
Helically winding a wire around a winding shaft by: supplying the wire from a nozzle while rotating the winding shaft having two or more corners on its side surface; and diagonally winding the wire on a surface between two corners among the side surface of the winding shaft. For each rotation of the winding shaft, the diagonal winding is performed while pushing the wire to a wound wire side by a holding component near a starting side corner of the surface, the holding component is rotated in synchronization with the winding shaft during the diagonal winding, the holding component is released after winding the wire on an ending side corner of the surface, then the holding component is moved to the vicinity of the starting side corner of the surface before starting next diagonal winding.
First receiving recesses for receiving distal end portions of slot insertion portions of normal coil segments, and second receiving recesses for receiving distal end portions of long slot insertion portions of variant coil segments are formed at circumferential intervals on outer peripheral surface of an inner twisting jig corresponding to the innermost layer. In a state where the distal end portions of the long slot insertion portions before being twisted are inserted into the second receiving recesses, the first receiving recesses are at positions displaced in the circumferential direction with respect to the distal end portions to be housed therein. Primary twisting is performed by rotating the inner twisting jig in this state, and then the distal end portions of the normal coil segments are inserted into the first receiving recesses and the secondary twisting is performed with a rotational amount larger than that of the primary twisting.
On the outer circumferential surface of an inside twist jig (26) corresponding to the innermost layer, a plurality of first housing recessed portions (38a) and a plurality of second housing recessed portions (38b) are formed at intervals in the circumferential direction, said first housing recessed portions (38a) housing the end portion (12d) of a slot insertion portion (12a) of a normal coil segment (12), said second housing recessed portions (38b) housing the end portion (14d) of a tall slot insertion portion (14b) of a deformed coil segment (14). In a state in which the end portion (14d) of the tall slot insertion portion (14b) before being twisted is inserted into the second housing recessed portions (38b), the first housing recessed portions (38a) is at a position shifted in the circumferential direction with respect to the end portion (12d) to be housed. The inside twist jig (26) is rotated in this state to perform a primary twist, and then the end portion (12d) of the normal coil segment (12) is further inserted into the first housing recessed portions (38a) to perform a secondary twist by a rotation amount greater than that of the primary twist.
H02K 15/04 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
H02K 15/085 - Forming windings by laying conductors into or around core parts by laying conductors into slotted stators
An example of a positioning apparatus has a base member configured to support a stator core, a positioning tool disposed on its upper surface, and a driving mechanism for driving it. The positioning tool has a first plate and a second plate. The first plate has an inner side ring and an annular plate body fixed to the upper surface thereof, and the second plate has an outer side ring and a plate body fixed to the upper surface thereof. Insertion holes each configured to accept insertion of one of distal end pairs are formed on the plate bodies, respectively, and positioning is performed by rotating these plate bodies in opposite directions. Positions of the distal end pairs are aligned in the radial direction without the positioning tool, and then the positioning tool is set.
Coil segments of the same phase are inserted into each group of circumferentially consecutive three slots. Assuming that the grouped three slots are A, B, and C, and six groups are U1 to U6, respectively, and that slot y of group Ux are slot Uxy, a coil starting from the slot U1A is wired to pass through one turn of a stator in the order of slots U1A→U2B→U3B→U4C→U5C→U6A, and connected to slot U1A of the next turn. In this turn, coil segments with a wide straddle width are used for the connections of U1A→U2B and U3B→U4C, and a coil segment with a narrow straddle width is used for the connection of U5C→U6A.
A cutting unit has a support member having insertion holes, and a movable member having through holes connected thereto. The respective left sides of upper surfaces of the square through holes are first movable blades, and the respective right sides thereof are second movable blades. Firstly, the movable member 14 is moved to the right by a predetermined amount to cut peeled-off portions of segment end portions only, and then the movable member is moved to the left by a predetermined amount to cut peeled-off portions of the segment end portions only. Distal ends of the coil segments can be cut into a uniform length to enable high quality welding, through this process.
H02K 15/04 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
9.
Coil segment processing method, coil segment processing apparatus and connection structure of coil segments
The innermost first segment layer and the second segment layer adjacent thereto in a radial direction are twisted using a twisting jig unit including an inner twisting jig and an outer twisting jig, then the twisting jig unit is replaced with another twisting jig unit including an inner twisting jig and an outer twisting jig, and the third segment layer and the fourth segment layer adjacent thereto are twisted, and then the twisting jig unit is replaced with still another twisting jig unit including an inner twisting jig and an outer twisting jig, and the fifth segment layer and the sixth segment layer adjacent thereto are twisted.
Grooves are formed at equal intervals in the circumferential direction on an outer peripheral edge of a circular block, and inner rods are housed in these grooves and arranged to be movable radially along radial directions. The outer rods are provided to be movable radially along radial directions, and respectively face the inner rods. Respective one slot insertion portions of coil segments are inserted into gaps between the inner rods and also into the holding member. The respective other slot insertion portions are inserted into gaps between the outer rods. Thereafter, the whole outer rods are rotated to rotate the coil segments around the slot insertion portions, then the holding member is lowered, and the whole outer rods are further rotated without interference between the holding member and the slot insertion portions to bring the coil segments into close contact with one another.
H02K 15/085 - Forming windings by laying conductors into or around core parts by laying conductors into slotted stators
H02K 15/04 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
11.
TERMINAL CONNECTION METHOD FOR COIL, TWISTING TOOL, AND STATOR FOR ROTATING ELECTRICAL MACHINE
In the present invention, input leader lines (14U1, 14U2, 14V1, 14V2, 14W1, 14W2) are configured of a slot insertion section (14b) which is located in an innermost-periphery-side layer of a slot insertion section of a coil segment (14) that is inserted into a slot (4) of a core (6) of a stator (2). The input leader lines are folded, together with a slot insertion section (12b) of another coil segment (12) located in the same layer, using a twisting tool (22), in the same direction as the circumferential direction of the core (6). Thereafter, joining sections (10), which are sites where end sections of slot insertion sections (12a) of an adjacent layer are joined, are guided in the outer peripheral direction by being bent so as to traverse gaps (21) between rows arranged in the radial direction, and the joining sections are connected to corresponding terminal members (15U, 15V, 15W).
The coil assembling apparatus includes a transport means for transporting in sequence a plurality of coil segments, each of the plurality of coil segments consisting of a pair of slot insertion portions and a linking portion for coupling the pair of slot insertion portions, a segment arrangement body capable of rotating around a center axis thereof and provided with a plurality of segment hold portions annularly arranged along a circumferential direction of the segment arrangement body, into which the plurality of coil segments transported by the transport means can be respectively inserted from an outer radial directions of the segment arrangement body, and a guide means for guiding to insert one slot insertion portion of the pair of slot insertion portions of each of the coil segments into one of the segment hold portions each time the segment arrangement body rotates by a first predetermined angle.
H02K 15/00 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
H02K 15/02 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
H02K 15/04 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
A nozzle turning apparatus includes a nozzle unit that has a nozzle for sending out a wire from a tip end thereof and a nozzle holder for holding the nozzle, the nozzle unit rotatably supporting the nozzle holder, and a nozzle-holder drive member integrally provided with the nozzle unit and moved in the nozzle unit to rotate the nozzle holder. The nozzle-holder drive member is driven to turn the nozzle from a winding state to a wire processing state after a winding operation is finished. Particularly, according to the present invention, the nozzle turning apparatus includes inner unit-drive means integrally provided with the nozzle unit in the nozzle unit, for moving the nozzle-holder drive member, and outer unit-drive means independently provided from the nozzle unit outside the nozzle unit, for driving the inner unit-drive means so as to move the nozzle-holder drive member.
According to the present invention, each of location aberration preventing rods (14, 16) disposed in a radial shape circumferentially on both sides of the axial direction of a core (2) has bifurcated convex portions (14A1, 14A2, 16A1, 16A2) inserted into a slot (4). Each of the convex portions has flanges (14A1a, 14A2a, 16A1a, 16A2a) on both sides when viewed in the circumferential direction of the core (2). When the location aberration preventing rods (14, 16) move to a radially inner side of the core (2) after an insulation sheet (8) is inserted into the slot (4), an edge of the insulation sheet (8) is covered by the flanges (14A1a, 14A2a, 16A1a, 16A2a) so that contact between a coil and the edge when the coil is inserted is prevented, and location aberration of the insulation sheet (8) in the axial direction of the core (2) is also prevented. The location aberration preventing rods are installed only on a distal end in the insertion direction of the insulation sheet (8).
H02K 15/085 - Forming windings by laying conductors into or around core parts by laying conductors into slotted stators
H02K 3/34 - Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
A welding end portion positioning device (2) which is one example of a positioning device has: a base member (10) for supporting a stator core (18); a positioning tool (4) disposed on the upper surface of the base member (10); and a driving mechanism (16) for driving the positioning tool (4). The positioning tool (4) has a first plate (6) and a second plate (8). The first plate (6) has an inner diameter ring (32) and an annular plate body (36) fixed to the upper surface of the inner diameter ring (32). The second plate (8) has an outer diameter ring (38) and a plate body (42) fixed to the upper surface of the outer diameter ring (38). The plate body (36) and the plate body (42) are respectively formed with insertion holes (62, 62') into which an end portion pair (22) are inserted by being separately zoned, and positioning is performed by rotating these plate bodies (36, 42) in opposite directions. The positions of the respective end portion pair (22) in the radial direction are aligned without the positioning tool (4) and then the positioning tool (4) is set.
Tip portions (6c) in adjacent layers of U-shaped coil segments inserted into slots of a core are abutted against each other, and tip surfaces (6eR, 6eL) of the tip portions (6c) form a single plane (6eC) having a boundary (28). The plane (6eC) is irradiated with laser light (Lb) and welding is performed. Moving trajectories of the laser light (Lb) have three irradiation patterns traversing the boundary (28), including a pre-heating pattern (30), a corner-erasing pattern (32), and a main welding pattern (34). When the boundary (28) is traversed, irradiation with laser light (Lb) may preferably be switched off. The above configuration makes it possible to obtain high quality of welding by laser welding while eliminating problems caused by stray laser light.
H02K 3/04 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
H02K 15/085 - Forming windings by laying conductors into or around core parts by laying conductors into slotted stators
17.
WIRE CONNECTION METHOD FOR ROTARY ELECTRIC MACHINE, METHOD FOR MANUFACTURING ROTARY ELECTRIC MACHINE, WIRE CONNECTION STRUCTURE FOR ROTARY ELECTRIC MACHINE, AND ROTARY ELECTRIC MACHINE
In the present invention, coil segments of the same phase are inserted in each set of three slots that are continuous in the circumferential direction. If the slots of each of the three-slot sets are referred to as A, B, and C, six of the sets are referred to as U1-U6, and a slot y of a set Ux is referred to as a slot Uxy, a coil starting from a slot U1A is wired so as make a single circuit around a stator while sequentially passing through slots U1A→U2B→U3B→U4C→U5C→U6A, and is connected to a slot U1A of the next circuit. In this case, a coil segment having a large bridging width is used for connection of U1A→U2B and U3B→U4C, while a coil segment having a small bridging width is used for connection of U5C→U6A. This configuration enables suppression of a circulating current when a rotary electric machine is configured such that coil segments of the same phase are inserted in each set of three slots that are continuous in the circumferential direction.
A manufacturing apparatus of an electrical rotating machine includes a coil segment shaping section for shaping a linear wire rod with a predetermined length into a coil segment with a predetermined shape consisting of a pair of slot insertion portions extending substantially in parallel with each other and a linking portion for coupling the pair of slot insertion portions, and a coil assembling section for assembling a coil by circularly arranging the coil segments shaped in the coil segment shaping section. The coil segment shaping section and the coil assembling section are constituted to continuously perform the shaping and the assembling of the coil segment in each coil segment unit, based on control data set depending on a coil to be fabricated.
H02K 15/04 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
H02K 3/34 - Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
H02K 3/12 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
H02K 3/48 - Fastening of windings on the stator or rotor structure in slots
H02K 15/12 - Impregnating, moulding insulation, heating or drying of windings, stators, rotors or machines
A cutting unit (10) having: a support member (12) having insertion holes (12A, 12B, 12C); and a movable member (14) having through-holes (14A, 14B, 14C) connected to these. A left side of the upper surface of the square through-holes (14A, 14B, 14C) is a first movable blade and the right side is a second movable blade. First, the movable member 14 is moved a prescribed amount towards the right side and only release sections (3a, 5a, 7a) of segment end sections (3, 5, 7) are cut. Next, the movable member (14) is moved a prescribed amount towards the left side and release sections (4a, 6a, 8a) of segment end sections (4, 6, 8) are cut. As a result, the length of the end sections of a coil segment can be aligned and cut, so as to achieve high-quality welding.
H02K 15/04 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
H02K 3/04 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
H02K 3/50 - Fastening of winding heads, equalising connectors, or connections thereto
20.
WIRE COATING STRIPPING METHOD, WIRE COATING STRIPPING DEVICE, AND ROTARY ELECTRIC MACHINE PRODUCTION DEVICE
In order to prevent coating residue or over-stripping and to suppress reduction in output from a rotary electric machine caused by reduction in conductivity of a connection section, when stripping an insulated coating off a wire having the outer circumference thereof coated in the coating: a first stripping member (17) pivots in the direction of an arrow (R1) intersecting the longitudinal direction of the wire (6); a blade tip (17a) of the first stripping member moves in parallel to a horizontal flat surface (6a) of the wire (6); and part of the coating (16) and a conductor (15) are stripped at that location. Once the stripping of the horizontal flat surface (6a) has been completed: a second stripping member (18) pivots in the direction of an arrow (R2) intersecting the longitudinal direction of the wire (6); the blade tip (17a) thereof moves parallel to the horizontal flat surface (6b) of the wire (6); and part of the coating (16) and the conductor (15) are stripped at that location.
H02G 1/12 - Methods or apparatus specially adapted for installing, maintaining, repairing, or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof
B23D 5/00 - Planing or slotting machines cutting otherwise than by relative movement of the tool and workpiece in a straight line
H01F 41/04 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets for manufacturing coils
H02K 15/04 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
A plurality of housing grooves (11a) are formed in an outer circumferential edge of a circular block (11) at equal intervals in a circumferential direction, and inside rods (13) are housed in these housing grooves (11a) and disposed radially and movably in a radial direction. Outside rods (33) are disposed radially and movably in the radial direction so as to face the respective inside rods (13). One slot insertion portion (18a) of a coil segment (18) is inserted into a gap (39) between the inside rods (13) and passed through an insertion hole (19c) of a holding member (19), and the other slot insertion portion (18b) is inserted into a gap (41) between the outside rods (33). Thereafter, the entire outside rods (33) are rotated to cause the coil segment (18) to move rotationally about the slot insertion portion (18a), the holding member (19) is lowered at a timing when the slot insertion portion (18b) makes contact with an outer circumferential surface of the holding member (19), and the entire outside rods (33) are further rotated in a state in which the slot insertion portion (18b) and the holding member (19) do not interfere with each other, thereby closely attaching the coil segment. This configuration improves the efficiency of coil assembly work.
H02K 15/04 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
This coil segment processing method comprises: using a twist jig unit (28A) provided with an inner twist jig (50) and an outer twist jig (51), subjecting an inner-most segment layer (12L1) and a segment layer (12L2) radially adjacent thereto to twist-processing; replacing the twist jig unit (28A) with a twist jig unit (28B) provided with an inner twist jig (52) and an outer twist jig (53); subjecting a segment layer (12L3) and a segment layer (12L4) adjacent thereto to twist-processing; replacing the twist jig unit (28B) with a twist jig unit (28C) provided with an inner twist jig (54) and an outer twist jig (55); and subjecting a segment layer (12L5) and a segment layer (12L6) adjacent thereto to twist-processing.
H02K 15/04 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
H02K 3/04 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
H02K 3/34 - Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
H02K 3/50 - Fastening of winding heads, equalising connectors, or connections thereto
H02K 15/08 - Forming windings by laying conductors into or around core parts
23.
Coil segment forming apparatus and manufacturing apparatus of electrical rotating machine
A coil segment forming apparatus includes a second bending section for bending a first bent body consisting of a pair of slot insertion portions that are substantially parallel to each other and a linking portion for connecting the pair of slot insertion portions formed in the same plane. The bending of the first bent body is carried out in a plane perpendicular to the aforementioned same plane. The second bending section has a plurality of pairs of press jigs arranged to oppose to each other in directions intersecting with the aforementioned same plane for pinching and pressing the linking portion, and a plurality of drive mechanisms for moving respectively the plurality of pairs of press jigs in directions intersecting with the aforementioned same plane based on moving amounts respectively set depending on forming conditions of the coil segment to be formed.
B23P 19/00 - Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformationTools or devices therefor so far as not provided for in other classes
H02K 15/06 - Embedding prefabricated windings in the machines
H02K 15/04 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
H02K 3/04 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
24.
Coil segment forming apparatus, coil segment forming method and manufacturing apparatus of electrical rotating machine
A coil segment forming apparatus, a coil segment forming method and a manufacturing apparatus of an electrical rotating machine, whereby coil segments with various kinds of shape can be formed without exchanging a press die, and it is not necessary that a lot of coil segments of various kinds of shape are preliminarily formed and stocked is provided. The coil segment forming apparatus includes a first bending section for bending in the same plane a linear wire rod into a predetermined shape consisting of a pair of slot insertion portions that are substantially parallel to each other and a linking portion for connecting the pair of slot insertion portions. The first bending section has a plurality of jigs arranged on the same plane for supporting the wire rod, and a plurality of drive mechanisms for moving respectively the plurality of jigs on the same plane so that the wire rod is formed in the predetermined shape based on moving amounts respectively set depending on shape conditions of the coil segment to be formed.
H02K 15/04 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
H02K 15/06 - Embedding prefabricated windings in the machines
H02K 3/04 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
B21F 1/00 - Bending wire other than coilingStraightening wire
Provided are a rotary electric machine manufacturing device and a rotary electric machine manufacturing method, wherein excellent work efficiency can be obtained by performing work continuously from coil segment formation to coil assembly without requiring constant management of formed coil segments, and equipment can be constructed at a scale commensurate with demand. This rotary electric machine manufacturing device is provided with: a coil segment formation unit which forms a linear wire material of a predetermined length into a predetermined shape comprising a pair of slot insertion parts extending approximately parallel to each other and a bridge part that connects the pair of slot insertion parts; and a coil assembly part which arranges, in an annular shape, the coil segment formed by the coil segment formation part, and assembles the coil. The coil segment formation part and the coil assembly part are configured to continuously perform the formation and assembly for each coil segment on the basis of control information set according to the coil to be manufactured.
H02K 15/04 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
H02K 3/04 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
H02K 15/08 - Forming windings by laying conductors into or around core parts
Provided are: a taping device that can reliably perform taping on wires of different diameters, that allows effective use of insulation tape, that can uniformly attach insulation tape on the circumferential face of a wire, and that allows for taping in a step that follows a winding step and is separate from the winding step; and a taping method. This taping device for attaching insulation tape on the circumferential face of a wire comprises: an accommodation recess that has an opening opened in one direction wherein the gap of the opening is larger than the diameter of the wire and that allows the wire on which the insulation tape is attached on a portion of the circumferential face thereof to be accommodated therein via the opening; and a plurality of air injection ports that open to the interior of the accommodation recess. The plurality of air injection ports is provided so that the insulation tape is pressed for attachment onto the circumferential face of the wire by the pressure of the injected air.
Provided are a coil segment forming device, a coil segment forming method, and a rotating electric machine manufacturing device that are capable of forming a coil segment having various shapes without changing a forming component and have no need for previously forming and storing a large number of coil segments having various shapes. The coil segment forming device is provided with a primary bending portion for performing work of bending a linear wire rod within the same plane into a predetermined shape comprising a pair of slot insertion portions extending substantially in parallel with each other and a jumper portion connecting the pair of slot insertion portions. The primary bending portion has: a plurality of jigs disposed within the same plane and holding the wire rod; and a plurality of drive mechanisms for moving the respective jigs within the same plane on the basis of the amounts of movements each set in accordance with a shape condition of a coil segment to be formed so that the wire rod forms a predetermined shape.
H02K 15/04 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
H02K 3/04 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
28.
COIL SEGMENT FORMING DEVICE, COIL SEGMENT FORMING METHOD, AND ROTATING ELECTRIC MACHINE MANUFACTURING DEVICE
Provided are a coil segment forming device, a coil segment forming method, and a rotating electric machine manufacturing device that are capable of forming a coil segment having various shapes without changing a forming component, have no need for previously forming and storing a large number of coil segments having various shapes, and capable of reducing the transition time between different forming work steps. The coil segment forming device is provided with a secondary bending portion for performing work of bending a primary bend-formed body in a direction intersecting with the same plane, said primary bend-formed body having a pair of slot insertion portions extending substantially in parallel with each other and a jumper portion connecting the pair of slot insertion portions, which are formed within the same plane. The secondary bending portion has: a plurality of pairs of pressing jigs disposed facing each other in the direction intersecting with the same plane and holding and pressing the jumper portion of the primary bend-formed body therebetween; and a plurality of drive mechanisms for moving the respective plurality of pairs of pressing jigs in the direction intersecting with the same plane on the basis of the amounts of movements each set in accordance with a shape condition of a coil segment to be formed.
H02K 15/04 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
H02K 3/04 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
29.
COIL ASSEMBLING DEVICE, COIL ASSEMBLING METHOD, AND ROTATING ELECTRIC MACHINE MANUFACTURING DEVICE
Provided is a coil assembling device, a coil assembling method, and a rotating electric machine manufacturing device capable of quickly and efficiently assembling a coil from a plurality of coil segments and capable of easily and quickly assembling a coil comprising a multilayer coil segment. The coil assembling device is provided with: a conveying means for sequentially conveying a plurality of coil segments each comprising a pair of slot insertion portions extending substantially in parallel with each other and a jumper portion connecting the pair of slot insertion portions; a segment arranging body having a plurality of segment holding portions arranged in a circular ring shape along the circumferential direction and capable of rotating about the central axis, said segment holding portions enabling the respective plurality of coil segments conveyed by the conveying means to be inserted thereinto from the outside in a radial direction; and a guide means is configured so that: one of the pair of slot insertion portions of each of the plurality of coil segments is guided to and inserted into one of the plurality of segment holding portions every time the segment arranging body rotates by a first predetermined angle; and the other of the pair of slot insertion portions is guided to and inserted into another one of the plurality of segment holding portions when the segment arranging body rotates by a second predetermined angle from the insertion of the one of the slot insertion portions.
H02K 15/085 - Forming windings by laying conductors into or around core parts by laying conductors into slotted stators
H02K 15/04 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
This nozzle revolving device is provided with: a nozzle unit which has a nozzle that unwinds a wire from the tip thereof and a nozzle holder for holding the nozzle, and which rotatably supports the nozzle holder; and a nozzle holder drive member which is integrally provided to the nozzle unit and moves inside the nozzle unit to rotate the nozzle holder, wherein after winding is completed, the nozzle holder drive member is driven to revolve the nozzle from a wound state to a wire treated state. In particular, according to the present invention, there are provided: an intra-unit drive means which is integrally provided with the nozzle unit inside the nozzle unit and can move the nozzle holder drive member; and an extra-unit drive means which is provided outside the nozzle unit and separately from the nozzle unit and drives the intra-unit drive means so as to move the nozzle holder drive member.
H01F 41/04 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets for manufacturing coils
patents
