A pipe expander, comprising a frame (1), and a pipe expansion device and a conveying device (111) provided on the frame. The pipe expansion device comprises a pipe expansion mechanism (112) and a pipe abutting mechanism (113); the pipe expansion mechanism comprises an expansion rod (13) and an expansion rod driving mechanism for driving the expansion rod to move; the pipe abutting mechanism comprises a pipe abutting telescopic positioning mechanism and a pipe abutting driving mechanism for driving the pipe abutting telescopic positioning mechanism to move; the pipe expander expands a heat exchange pipe (5) of the heat exchanger (114) by means of the expansion rod; during expansion, the other end of the expansion rod abuts against the tail end of the heat exchange pipe by means of the pipe abutting telescopic positioning mechanism, and can always keep abutting against the end surface of the heat exchange pipe when the tail end of the heat exchange pipe retracts into a heat dissipation fin module (4); by means of lifting/lowering of a lifting/lowering seat (33), the conveying device of the pipe expander can enable the heat exchange pipes of each layer of the heat exchanger to be expanded, and by means of the cooperation of lifting plates (40) and a conveying frame, the cycle of feeding, pipe expansion and discharging of the heat exchanger can be achieved, thereby improving the production efficiency.
A straight pipe cutting and pipe end machining integrated machine, comprising a base frame (1), wherein a cutting device, a receiving member (32), a rotating disc (5), a feeding device, a pipe end shaping device and a straight pipe machining device are arranged on the base frame (1); the cutting device is configured to cut off an elongated pipe (2) to form a pipe-shaped workpiece (21); the receiving member (32) is provided with a storage recess (321) configured to receive the pipe-shaped workpiece (21) formed by cutting-off; the rotating disc (5) is provided with fixture (51) capable of clamping the pipe-shaped workpiece (21); the feeding device is configured to convey the pipe-shaped workpiece in the storage recess (321) to the fixture (51) on the rotating disc (5); the pipe end shaping device is configured to shape ends of the pipe-shaped workpiece (21); the straight pipe machining device is configured to perform hole expanding or hole shrinking on the shaped pipe-shaped workpiece (21); and the rotating disc (5) is connected to a rotating disc driving device capable of driving the rotating disc (5) to rotate. The straight pipe cutting and pipe end machining integrated machine can automatically cut off the pipe to generate the pipe-shaped workpiece, then shape the ends of the pipe-shaped workpiece, and finally perform hole expanding or hole shrinking on the pipe-shaped workpiece to form a finished straight pipe, thereby realizing full-automatic production.
B23P 23/04 - Machines ou agencements de machines réalisant des combinaisons déterminées de différentes opérations d'usinage, non couverts par une seule autre sous-classe pour effectuer l'usinage ainsi que les autres opérations de travail du métal
B23Q 7/02 - Agencements pour la manipulation des pièces, spécialement combinés aux machines-outils ou disposés dans ces machines ou spécialement conçus pour être utilisés en relation avec ces machines, p. ex. pour le transport, le chargement, le positionnement, le déchargement, le triage au moyen de tambours, de tables rotatives ou de plateaux
3.
ROTARY LOCK AND NEW TYPE OF U-SUPPORT ASSEMBLY THEREFOR
Disclosed are a rotary lock and a U-support assembly therefor. The rotary lock comprises a rotary lock body (1) with an opening (11), a channel (13) allowing a workpiece (900) to penetrate through same is provided in the axial direction of the rotary lock body (1), the opening (11) is in communication with the channel (13), and teeth (12) are arranged on the outer surface of the rotary lock body (1). The U-support assembly comprises an installation frame (7), the rotary lock and a driving wheel (2), wherein the rotary lock and the driving wheel (2) are arranged on the installation frame (7) and can rotate on the installation frame (7); the rotary lock meshes with the driving wheel (2); and when the driving wheel (2) is driven, the driving wheel (2) can drive the rotary lock to rotate.
B21D 43/00 - Dispositifs d'alimentation, de positionnement ou de stockage combinés à des appareils pour travailler ou traiter les tôles, les tubes ou les profilés, disposés dans ces appareils ou spécialement adaptés pour être utilisés en association avec ces appareilsAssociation de dispositifs de coupe avec ces appareils
B23Q 1/25 - Supports mobiles ou réglables d'outils ou de pièces
4.
RAPID POSITION SWITCHING DEVICE OF HEAT EXCHANGER TOOLING, AND LOCKING DEVICE
Disclosed is a rapid position switching device of heat exchanger tooling, the device involving: at least two first engagement portions (5) are arranged on a first fixing block (2); a first connection arm (4) is provided with a second engagement portion (6); the first connection arm (4) and a first rotation base (3) slide relatively; when the first rotation base (3) drives the first connection arm (4) to rotate, the second engagement portion (6) of the first connection arm (4) is separated from each of the first engagement portions (5) of the first fixing block (2); and when the first connection arm (4) and the first rotation base (3) slide relatively, the first rotation base (3) drives the second engagement portion (6) of the first connection arm (4) to be engaged with the different first engagement portions (5) on the first fixing block (2). Moreover, a locking device comprising the above structure can realize the adjustment of a locking space, such that the locking device can lock fins of different thickness dimensions; and the locking device is convenient to operate, thereby effectively improving the universality and the production efficiency of a tube expander.
B21D 43/00 - Dispositifs d'alimentation, de positionnement ou de stockage combinés à des appareils pour travailler ou traiter les tôles, les tubes ou les profilés, disposés dans ces appareils ou spécialement adaptés pour être utilisés en association avec ces appareilsAssociation de dispositifs de coupe avec ces appareils
B21D 53/06 - Fabrication d'autres objets particuliers d'échangeurs de chaleur, p. ex. radiateurs, condenseurs à partir de tubes métalliques
A bending machine including a rack, the rack is provided with a feeding mechanism, one side of the feeding mechanism is provided with a pressing mechanism capable of pressing a workpiece firmly, and one side of the pressing mechanism is provided with a bending mechanism capable of bending the workpiece inside the bending mechanism. The bending machine is simple in structure, high in production and capable of reducing labor cost.
B21D 5/06 - Cintrage des tôles le long de lignes droites, p. ex. pour former un pli simple par un procédé d'étirage dans lequel les pièces à travailler sont mises en forme par passage entre des matrices ou des rouleaux, p. ex. fabrication de profilés
B21D 43/00 - Dispositifs d'alimentation, de positionnement ou de stockage combinés à des appareils pour travailler ou traiter les tôles, les tubes ou les profilés, disposés dans ces appareils ou spécialement adaptés pour être utilisés en association avec ces appareilsAssociation de dispositifs de coupe avec ces appareils
A die adjustment mechanism, includes a base, the base is provided with a die that can apply pressure on the workpiece. The die includes multiple modules arranged sequentially and capable of sliding laterally relative to the base. The base is further provided with a slide rest/slide rests capable of sliding laterally relative to the base. Each slide rest is provided with a shifting fork which can be clamped with a module or can be clamped between two adjacent modules. Each slide rest is provided with a drive component capable of driving the shifting fork to be clamped with the module or be clamped between the two adjacent modules. Using this mechanism, bending and pressing of multiple sides of the metal plate can be completed by the same machine and the production efficiency is greatly improved.
A metal plate bending mechanism, comprising a holding member (1) provided on an apparatus frame and capable of holding a metal plate (100); a bending member (2), disposed on the apparatus frame at a side of the holding member (1), and capable of moving vertically and horizontally with respect to the holding member (1) so as to bend the metal plate (100); a driving member (3), further provided on the apparatus frame, connected to the bending member (2), and capable of driving the same to move vertically and horizontally. The metal plate bending mechanism has a simple structure, high production efficiency, and can implement bending to various angles.
B21D 5/04 - Cintrage des tôles le long de lignes droites, p. ex. pour former un pli simple sur des presses particulières avec fixation d'un côté de la pièce
A bending apparatus, comprising an apparatus frame (1), a feed mechanism (2) provided on the apparatus frame (1), a clamp mechanism (3) provided at one side of the feed mechanism (2) and capable of clamping a workpiece (100), and a bending mechanism (4) provided at one side of the clamp mechanism (3) and capable of bending the workpiece (100) therein. The bending mechanism is simple, has high production efficiency, and reduces labor costs.
B21D 5/06 - Cintrage des tôles le long de lignes droites, p. ex. pour former un pli simple par un procédé d'étirage dans lequel les pièces à travailler sont mises en forme par passage entre des matrices ou des rouleaux, p. ex. fabrication de profilés
B21D 43/00 - Dispositifs d'alimentation, de positionnement ou de stockage combinés à des appareils pour travailler ou traiter les tôles, les tubes ou les profilés, disposés dans ces appareils ou spécialement adaptés pour être utilisés en association avec ces appareilsAssociation de dispositifs de coupe avec ces appareils
A press mold adjustment mechanism comprises a base (1). The base (1) is provided with a press mold (2) for applying pressure on a workpiece. The press mold (2) comprises a plurality of sequentially arranged modules (21) capable of sliding laterally with respect to the base (1). The base (1) is further provided with a sliding frame (3) capable of sliding laterally with respect to the base. The sliding frame (3) is provided with a shifting fork (4) capable of being engaged at a module (21) or between two adjacent modules (21). The sliding frame (3) is provided with a driving component (5) capable of driving the shifting fork (4) to be engaged at or between the two adjacent modules (21). The press mold adjustment mechanism enables multiple edges of a metal sheet material to be bent and pressed on the same bending machine, thereby increasing production efficiency.
A pipe bender, including: a base; a frame including a position switching mechanism, a first position switching assembly, and a bending stand including a second position switching assembly; a calibration device; a feeding device; a cutting device; a feeding path arranged transversely; a bending device; a receiving device arranged longitudinally; and a controller. The calibration device includes two calibration mechanisms including separate processing paths to calibrate two kinds of pipes having different diameters. The feeding device includes two feeding channels for transporting the two kinds of pipes, and the first position switching assembly is used for aligning the two feeding channels with the feeding path in turn. The bending device includes two bending channels for bending the two kinds of pipes, and the second position switching assembly is used for aligning the two bending channels with the feeding path in turn.
B21D 7/00 - Cintrage des barres, profilés ou tubes
B21D 7/02 - Cintrage des barres, profilés ou tubes sur un organe de formage fixeCintrage des barres, profilés ou tubes par utilisation d'un organe de formage ou d'une butée oscillante
B21D 1/02 - Redressage, remise en forme ou élimination des distorsions locales des tôles ou d'objets déterminés faits à partir de tôlesÉtirage des feuilles métalliques combiné avec le laminage au moyen de rouleaux matriceurs
B21D 11/22 - Équipement auxiliaire, p. ex. dispositifs de mise en place du matériau
B21D 21/00 - Procédés combinant les méthodes de traitement couvertes par les groupes
B21D 43/00 - Dispositifs d'alimentation, de positionnement ou de stockage combinés à des appareils pour travailler ou traiter les tôles, les tubes ou les profilés, disposés dans ces appareils ou spécialement adaptés pour être utilisés en association avec ces appareilsAssociation de dispositifs de coupe avec ces appareils
B23P 15/26 - Fabrication d'objets déterminés par des opérations non couvertes par une seule autre sous-classe ou un groupe de la présente sous-classe d'échangeurs de chaleur
B21D 37/04 - Montage mobile ou interchangeable des outils
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