Grinding tools for grinding machines; grinding cups for detachable connection to a grinding machine for sharpening tungsten carbide buttons on rock drill bits, tunnel boring machine cutters and raised bore machine cutters.
Grinding tools for grinding machines; grinding cups for detachable connection to a grinding machine for sharpening tungsten carbide buttons on rock drill bits, tunnel boring machine cutters and raised bore machine cutters
(1) Grinding tools for grinding machines
(2) Grinding cups for detachable connection to a grinding machine for sharpening tungsten carbide buttons on rock drill bits, tunnel boring machine cutters and raised bore machine cutters
A grinding apparatus for grinding working tips of hard metal inserts of rock drill bits, including a grinding machine, means for holding a rock drill bit to be ground and a support system. The grinding apparatus is equipped with a spindle assembly having an output drive shaft. One of a plurality of grinding tool cups is detachably connected to the output drive shaft for grinding the working tips. The grinding apparatus further includes a control system having a programmable operator control panel capable of monitoring and adjusting one or more operational parameters An RFID reader is provided within operator control panel such that when the free end of a grinding cup equipped with an RFID tag is inserted into the RFID reader a proximity sensor detects and scans the RFID tag, to obtain data including a specific ID identifier for the particular grinding cup and the number of grinding cycles used.
B23B 31/117 - Caractérisés par les dispositifs de maintien ou de serrage ou par leurs moyens d'action directe le maintien étant assurée uniquement par friction, p. ex. en utilisant des ressorts, des manchons élastiques, des cônes
B24B 3/33 - Affûtage des arêtes tranchantes, p. ex. des outilsAccessoires à cet effet, p. ex. porte-outils des forets des forets pour la pierre
The present disclosure provides a grinding cup for detachable connection to the output drive shaft of a grinding machine for grinding buttons on drill bits or cutters. The grinding cup has top and bottom surfaces and consists of a lower grinding section and an upper body section co-axial with the grinding section to form a grinding cup with a centrally disposed recess formed in the bottom surface of the grinding section having the desired profile for the button to be ground. The improvement of the present invention is characterized by the upper body section having a centrally disposed upright drive section sized and shaped to fit within a co-axial recess in a free end of the output drive shaft. The upright drive section has a first support section extending from a top surface of the upper body section and a co-axial drive section on the upright drive section extending from a top surface of the first support section to a free end of the upper drive section. The co-axial drive section has a lower cam portion with an elliptical cross section, shaped and sized to fit within a corresponding pair of lobed grooves in a sidewall of the co-axial recess in the output drive shaft and an upper portion, co-axial with the lower cam portion having a circular cross-section slightly less than the diameter of an upper portion of the co-axial recess in the output drive shaft. Retaining means for detachably connecting the grinding cup to the output drive shaft of the grinding machine are provided on the upright drive section, preferably on or in association with the first support section.
B23B 31/117 - Caractérisés par les dispositifs de maintien ou de serrage ou par leurs moyens d'action directe le maintien étant assurée uniquement par friction, p. ex. en utilisant des ressorts, des manchons élastiques, des cônes
B24B 3/33 - Affûtage des arêtes tranchantes, p. ex. des outilsAccessoires à cet effet, p. ex. porte-outils des forets des forets pour la pierre
6.
GRINDING TOOL FOR GRINDING BUTTONS ON A ROCK DRILL BIT
The present disclosure provides a grinding cup for detachable connection to the output drive shaft of a grinding machine for grinding buttons on drill bits or cutters. The grinding cup has top and bottom surfaces and consists of a lower grinding section and an upper body section co-axial with the grinding section to form a grinding cup with a centrally disposed recess formed in the bottom surface of the grinding section having the desired profile for the button to be ground. The improvement of the present invention is characterized by the upper body section having a centrally disposed upright drive section sized and shaped to fit within a co-axial recess in a free end of the output drive shaft. The upright drive section has a first support section extending from a top surface of the upper body section and a co-axial drive section on the upright drive section extending from a top surface of the first support section to a free end of the upper drive section. The co-axial drive section has a lower cam portion with an elliptical cross section, shaped and sized to fit within a corresponding pair of lobed grooves in a sidewall of the co-axial recess in the output drive shaft and an upper portion, co-axial with the lower cam portion having a circular cross-section slightly less than the diameter of an upper portion of the co-axial recess in the output drive shaft. Retaining means for detachably connecting the grinding cup to the output drive shaft of the grinding machine are provided on the upright drive section, preferably on or in association with the first support section.
B24D 7/00 - Meules agglomérées, ou meules comportant des segments abrasifs rapportés, conçues pour travailler autrement que par la périphérie, p. ex. par le côtéBagues ou accessoires pour le montage de ces meules
B24B 19/00 - Machines ou dispositifs conçus spécialement pour une opération particulière de meulage non couverte par d'autres groupes principaux
The present disclosure provides a grinding cup for detachable connection to the output drive shaft of a grinding machine for grinding buttons on drill bits or cutters. The grinding cup has top and bottom surfaces and consists of a lower grinding section and an upper body section co-axial with the grinding section to form a grinding cup with a centrally disposed recess formed in the bottom surface of the grinding section having the desired profile for the button to be ground. The improvement of the present invention is characterized by the upper body section having a centrally disposed upright drive section sized and shaped to fit within a co-axial recess in a free end of the output drive shaft. The upright drive section has a first support section extending from a top surface of the upper body section and a co-axial drive section on the upright drive section extending from a top surface of the first support section to a free end of the upper drive section. The co-axial drive section has a lower cam portion with an elliptical cross section, shaped and sized to fit within a corresponding pair of lobed grooves in a sidewall of the co-axial recess in the output drive shaft and an upper portion, co-axial with the lower cam portion having a circular cross-section slightly less than the diameter of an upper portion of the co-axial recess in the output drive shaft. Retaining means for detachably connecting the grinding cup to the output drive shaft of the grinding machine are provided on the upright drive section, preferably on or in association with the first support section.
B24D 7/00 - Meules agglomérées, ou meules comportant des segments abrasifs rapportés, conçues pour travailler autrement que par la périphérie, p. ex. par le côtéBagues ou accessoires pour le montage de ces meules
The present disclosure provides a Grinding apparatus for grinding working tips of hard metal inserts of rock drill bits, comprising: a grinding machine, means for holding a rock drill bit to be ground and a support system, the support system, the grinding machine equipped with a spindle assembly having an output drive shaft having a longitudinal axis, one of a plurality of grinding tools of different sizes and profiles detachably connected to the output drive shaft for grinding different sizes and profiles of working tips; and having a control system having a programmable operator control panel capable of directly or indirectly monitoring and adjusting one or more operational parameters, a programmable control card provided having a circuit board containing a central processor, an RFID reader provided within operator control panel together with a touch screen display wherein when the free end of a grinding cup equiped with an RFID tag in accordance with present invention is inserted into the RFID reader a proximity sensor detects the RFID tag and scans the data on the tag wherein the data includes a specific ID identifier for the particular grinding cup and the number of grinding cycles over which it has been used to date.
The present disclosure provides a Grinding apparatus for grinding working tips of hard metal inserts of rock drill bits, comprising: a grinding machine, means for holding a rock drill bit to be ground and a support system, the support system, the grinding machine equipped with a spindle assembly having an output drive shaft having a longitudinal axis, one of a plurality of grinding tools of different sizes and profiles detachably connected to the output drive shaft for grinding different sizes and profiles of working tips; and having a control system having a programmable operator control panel capable of directly or indirectly monitoring and adjusting one or more operational parameters, a programmable control card provided having a circuit board containing a central processor, an RFID reader provided within operator control panel together with a touch screen display wherein when the free end of a grinding cup equiped with an RFID tag in accordance with present invention is inserted into the RFID reader a proximity sensor detects the RFID tag and scans the data on the tag wherein the data includes a specific ID identifier for the particular grinding cup and the number of grinding cycles over which it has been used to date.
A grinding apparatus for grinding the hard metal inserts of rock drill bits, said grinding apparatus having a grinding machine carried on an support system and means for holding one or more bits to be ground, said grinding machine equipped with a grinding cup driven by a motor to rotate about its longitudinal axis, wherein the support system comprises an arm or lever system to control movement of the grinding machine for alignment of the grinding machine with a hard metal insert to be ground, means to provide grinding pressure, means to monitor and control one or more operational functions of the grinding apparatus selected from the group consisting of force, grinding pressure, movement and speed of movement of the grinding machine during alignment with a hard metal insert wherein the means for holding one or more rock drill bits to be ground has one or more apertures to hold one or more rock drill bits to be ground includes a moveable floor plate for each aperature to support a free end of a shank on the bit to be held in the aperature
Grinding machines for sharpening tungsten carbide buttons in the nature of cutting teeth on drill bits for percussive or rotary rock drilling, tunnel boring machine cutters and raised bore machine cutters; machine parts, namely, grinding cups for detachable connection to a grinding machine for sharpening tungsten carbide buttons in the nature of cutting teeth on rock drill bits, tunnel boring machine cutters and raised bore machine cutters
(1) Grinding machines for sharpening tungsten carbide machine tools, tungsten carbide buttons on drill bits for rock drilling (percussive or rotary), tunnel boring machine cutters and raised bore machine cutters; machine parts, namely, grinding cups for detachable connection to a grinding machine for sharpening tungsten carbide buttons on rock drill bits, tunnel boring machine cutters and raised bore machine cutters.
Grinding machines for sharpening tungsten carbide machine tools, tungsten carbide buttons on drill bits for rock drilling (percussive or rotary), tunnel boring machine cutters and raised bore machine cutters; machine parts, namely, grinding cups for detachable connection to a grinding machine for sharpening tungsten carbide buttons on rock drill bits, tunnel boring machine cutters and raised bore machine cutters.
The present disclosure relates to grinding apparatus for grinding the hard metal inserts of rock drill bits, said grinding apparatus having said grinding machine equipped with a grinding cup driven by a motor to rotate about its longitudinal axis wherein the support system comprises an arm or lever system to control vertical movement of the grinding machine and means to provide grinding pressure, wherein the means to provide grinding pressure may be a linear actuator and load cell assembly pivotally connected to the arm or lever system.
B24B 49/00 - Appareillage de mesure ou de calibrage pour la commande du mouvement d'avance de l'outil de meulage ou de la pièce à meulerAgencements de l'appareillage d'indication ou de mesure, p. ex. pour indiquer le début de l'opération de meulage
B24B 49/16 - Appareillage de mesure ou de calibrage pour la commande du mouvement d'avance de l'outil de meulage ou de la pièce à meulerAgencements de l'appareillage d'indication ou de mesure, p. ex. pour indiquer le début de l'opération de meulage tenant compte de la pression de travail
B24B 51/00 - Systèmes pour la commande automatique d'une série d'opérations successives du meulage d'une pièce
B24B 3/33 - Affûtage des arêtes tranchantes, p. ex. des outilsAccessoires à cet effet, p. ex. porte-outils des forets des forets pour la pierre
B24B 55/02 - Équipement pour refroidir les surfaces abrasives, p. ex. dispositifs d'alimentation en agent de refroidissement
The present disclosure provides a grinding cup for detachable connection to the output drive shaft of a grinding machine for grinding buttons on drill bits or cutters, said grinding cup having top and bottom surfaces and consisting of a lower grinding section and an upper body section co-axial with said grinding section to form said grinding cup with a centrally disposed recess formed in the bottom surface of the grinding section having the desired profile for the button to be ground; the improvement characterized by said body section having a centrally disposed upright drive section formed on the top surface of the grinding cup, said drive section shaped and sized to both driveably engage within a corresponding recess at end of the output drive shaft of said grinding machine and provide axial and radial support and retaining means for detachably connecting the grinding cup to the output drive shaft of the grinding machine wherein said drive section has a non-circular cross section and is tapered from the top surface of the grinding cup to the free end of the drive section.
B24B 11/10 - Machines ou dispositifs pour meuler des surfaces sphériques ou des portions de surfaces sphériquesAccessoires à cet effet pour meuler des billes au moyen de meules circulaires du type boisseau
B23P 15/28 - Fabrication d'objets déterminés par des opérations non couvertes par une seule autre sous-classe ou un groupe de la présente sous-classe d'outils de coupe
The present disclosure relates to grinding apparatus for grinding the hard metal inserts of rock drill bits, said grinding apparatus having said grinding machine equipped with a grinding cup driven by a motor to rotate about its longitudinal axis wherein the support system comprises an arm or lever system to control vertical movement of the grinding machine and means to provide grinding pressure, wherein the means to provide grinding pressure may be a linear actuator and load cell assembly pivotally connected to the arm or lever system.
B23Q 15/12 - Commande auto-adaptative, c.-à-d. s'ajustant elle-même de façon à procurer le meilleur rendement en fonction de critères fixés au préalable
B24B 3/24 - Affûtage des arêtes tranchantes, p. ex. des outilsAccessoires à cet effet, p. ex. porte-outils des forets
B24B 3/60 - Affûtage des arêtes tranchantes, p. ex. des outilsAccessoires à cet effet, p. ex. porte-outils des outils non couverts par les sous-groupes précédents
B24B 19/00 - Machines ou dispositifs conçus spécialement pour une opération particulière de meulage non couverte par d'autres groupes principaux
B24B 49/10 - Appareillage de mesure ou de calibrage pour la commande du mouvement d'avance de l'outil de meulage ou de la pièce à meulerAgencements de l'appareillage d'indication ou de mesure, p. ex. pour indiquer le début de l'opération de meulage impliquant des dispositifs électriques
B24B 55/02 - Équipement pour refroidir les surfaces abrasives, p. ex. dispositifs d'alimentation en agent de refroidissement
The present disclosure relates to grinding apparatus for grinding the hard metal inserts of rock drill bits, said grinding apparatus having said grinding machine equipped with a grinding cup driven by a motor to rotate about its longitudinal axis wherein the support system comprises an arm or lever system to control vertical movement of the grinding machine and means to provide grinding pressure, wherein the means to provide grinding pressure may be a linear actuator and load cell assembly pivotally connected to the arm or lever system.
B24B 49/10 - Appareillage de mesure ou de calibrage pour la commande du mouvement d'avance de l'outil de meulage ou de la pièce à meulerAgencements de l'appareillage d'indication ou de mesure, p. ex. pour indiquer le début de l'opération de meulage impliquant des dispositifs électriques
B23Q 15/12 - Commande auto-adaptative, c.-à-d. s'ajustant elle-même de façon à procurer le meilleur rendement en fonction de critères fixés au préalable
B24B 19/00 - Machines ou dispositifs conçus spécialement pour une opération particulière de meulage non couverte par d'autres groupes principaux
B24B 3/24 - Affûtage des arêtes tranchantes, p. ex. des outilsAccessoires à cet effet, p. ex. porte-outils des forets
B24B 3/60 - Affûtage des arêtes tranchantes, p. ex. des outilsAccessoires à cet effet, p. ex. porte-outils des outils non couverts par les sous-groupes précédents
B24B 55/02 - Équipement pour refroidir les surfaces abrasives, p. ex. dispositifs d'alimentation en agent de refroidissement
18.
Manual locking means for bit holder with micro/macro adjustment
A locking means for a bit holder fixture for use with grinding apparatus for grinding the hard metal inserts of rock drill bits is provided. The locking means has a macro adjustment for quick positioning of a pressure plate against the body of the bit(s) and a micro adjustment to lock the bit(s) in place by applying pressure against the skirt or shank of the drill bit(s).
B23B 41/06 - Machines ou dispositifs à aléser ou à percer spécialement adaptés à un travail particulierAccessoires spécialement conçus à cet effet pour aléser des trous coniques
19.
MANUAL LOCKING MEANS FOR BIT HOLDER WITH MICRO/MACRO ADJUSTMENT
A clamping means for a bit holder fixture for use with a grinding apparatus for grinding the hard metal inserts of rock drill bits is provided. The clamping means has a quick positioning adjustment to bring a pressure plate against the body of the bit(s) and a fine adjustment to clamp the bit(s) in place by applying pressure against the skirt or shank of the drill bit(s).
A clamping means for a bit holder fixture for use with a grinding apparatus for grinding the hard metal inserts of rock drill bits is provided. The clamping means has a quick positioning adjustment to bring a pressure plate against the body of the bit(s) and a fine adjustment to clamp the bit(s) in place by applying pressure against the skirt or shank of the drill bit(s).
