CN-224223598-U - Crank shaft centerless grinding manipulator clamping jaw

CN224223598UCN 224223598 UCN224223598 UCN 224223598UCN-224223598-U

Abstract

The utility model provides a clamping jaw of a crank centreless grinder manipulator, which belongs to the technical field of crank machining and comprises a support, wherein symmetrically distributed sliding grooves are formed in the inner wall of the support, a sliding block is connected to the inner wall of the sliding groove in a sliding mode, an extrusion groove is formed in the outer wall of the sliding block, a movable frame is fixedly connected to the outer wall of the sliding block, an H-shaped groove is formed in the outer wall of the movable frame, and the clamping jaw further comprises a convenient-to-detach and replacement assembly, the convenient-to-detach and replacement assembly comprises a bidirectional screw B rotatably connected to the outer wall of the movable frame, and symmetrically distributed limiting blocks are connected to threads on the outer wall of the bidirectional screw B. According to the utility model, the limiting block is driven to slide through the arranged bidirectional screw B, so that the quick locking and unlocking of the connecting block are realized, the clamping jaw can be replaced without additional tools, meanwhile, the sliding fit design of the H-shaped groove and the connecting block can ensure the stability of the clamping jaw after connection, and the clamping jaw with different shapes can be replaced according to the type of the crankshaft through the replacement of the clamping jaw, so that the universality of the equipment is improved.

Inventors

HE FENG
MA CHANGCHENG

Assignees

广州金和精密机电设备有限公司

Dates

Publication Date: 20260512
Application Date: 20250611

Claims (5)

1. The utility model provides a bent axle centerless grinder manipulator clamping jaw, includes support (1), its characterized in that, spout (5) of symmetric distribution have been seted up to support (1) inner wall, spout (5) inner wall sliding connection has slider (6), extrusion groove (7) have been seted up to slider (6) outer wall, slider (6) outer wall fixedly connected with removes frame (4), remove H type groove (12) have been seted up to frame (4) outer wall, still include: The convenient-to-detach replacement assembly comprises a bidirectional screw rod B (14) rotationally connected to the outer wall of the movable frame (4), limiting blocks (16) symmetrically distributed are connected to the outer wall of the bidirectional screw rod B (14) in a threaded mode, the limiting blocks (16) are connected with connecting blocks (13) in a sliding mode through clamping grooves (17), the connecting blocks (13) are connected with H-shaped grooves (12) in a sliding mode, clamping claws (18) are fixedly connected to the outer wall of the connecting blocks (13), and knobs (15) are fixedly connected to the outer wall of the bidirectional screw rod B (14); The cleaning component is arranged on the outer wall of the bracket (1).
2. The clamping jaw of the crank centerless grinding manipulator according to claim 1, wherein the cleaning assembly comprises a mounting plate (19) fixedly connected to the outer wall of the support (1), a communication pipe (20) is fixedly connected to the outer wall of the mounting plate (19), and evenly distributed spray pipes (21) are fixedly connected to the outer wall of the communication pipe (20).
3. The clamping jaw of the crank centerless grinding manipulator according to claim 1, wherein symmetrically-distributed guide grooves (9) are formed in the inner wall of the support (1), concave frames (8) are slidably connected to the inner wall of the guide grooves (9), symmetrically-distributed extrusion rods (11) are fixedly connected to the outer wall of each concave frame (8), and the extrusion rods (11) are located on the inner wall of each extrusion groove (7).
4. The clamping jaw of the crank centerless grinding manipulator according to claim 1, wherein the top wall of the support (1) is fixedly connected with a mounting frame (2), the outer wall of the mounting frame (2) is fixedly connected with a driving motor (3), the output end of the driving motor (3) is fixedly connected with a bidirectional screw A (10), and the bidirectional screw A (10) is in threaded connection with the concave frame (8).
5. The clamping jaw of the crank centerless grinder manipulator according to claim 1, wherein the outer wall of the limiting block (16) is slidably connected with a sliding rod (22), and the sliding rod (22) is fixedly connected with the movable frame (4).

Description

Crank shaft centerless grinding manipulator clamping jaw Technical Field The utility model relates to the technical field of crankshaft machining, in particular to a clamping jaw of a crank centreless grinder manipulator. Background The crankshaft is a critical component in the engine and is responsible for converting the reciprocating linear motion of the piston into rotary motion and providing power output for equipment, and in the crankshaft machining process, because the workpiece is complex in shape and strict in precision requirement, the workpiece must be accurately clamped and positioned by relying on a manipulator clamping jaw, so that the machining stability and consistency are ensured. Through retrieval, the patent with the Chinese patent application number of CN201920736400.7 discloses a clamping jaw and a mechanical arm, wherein the clamping jaw comprises a bracket, a main shaft clamping arm assembly and a connecting rod shaft positioning arm, the main shaft clamping arm assembly is connected with the bracket and used for clamping at least one main shaft on a crankshaft, and the connecting rod shaft positioning arm is connected with the bracket and used for propping against at least one connecting rod shaft on the crankshaft so as to limit the position of the crankshaft relative to the bracket; In the above patent, the crankshaft is not required to be carried by workers, so that the labor intensity of the workers is effectively reduced, the crankshaft machining efficiency is improved, but the problems that 1, clamping jaws are complex in clamping jaw replacement and poor in suitability still exist in the using process, the clamping jaws are difficult to rapidly switch to meet the machining requirements of different types of crankshafts, 2, an effective cleaning mechanism is lacking, scrap iron produced by machining is easy to remain on the surfaces of the clamping jaws and workpieces, the clamping accuracy is affected, and the service life of the clamping jaws is shortened. There is a need for a crank centerless grinding robot jaw to address the above-described issues. Disclosure of utility model The utility model aims to provide a clamping jaw of a crank centreless grinder manipulator, which aims to solve the problems in the background technology. In order to achieve the above object, the present utility model provides the following technical solutions: The utility model provides a bent axle centerless grinder manipulator clamping jaw, includes the support, symmetrical distribution's spout has been seted up to the support inner wall, spout inner wall sliding connection has the slider, the extrusion groove has been seted up to the slider outer wall, slider outer wall fixedly connected with removes the frame, remove the frame outer wall and seted up H type groove, still include: the convenient-to-detach replacement assembly comprises a bidirectional screw rod B which is rotationally connected to the outer wall of the movable frame, wherein limit blocks which are symmetrically distributed are in threaded connection with the outer wall of the bidirectional screw rod B, the limit blocks are connected with connecting blocks in a sliding manner through clamping grooves, the connecting blocks are connected with H-shaped grooves in a sliding manner, clamping claws are fixedly connected to the outer wall of the connecting blocks, and knobs are fixedly connected to the outer wall of the bidirectional screw rod B; the cleaning component is arranged on the outer wall of the bracket. As the preferable technical scheme of the application, the cleaning component comprises a mounting plate fixedly connected to the outer wall of the bracket, the outer wall of the mounting plate is fixedly connected with a communication pipe, and the outer wall of the communication pipe is fixedly connected with evenly distributed spray pipes. As the preferable technical scheme of the application, symmetrically distributed guide grooves are formed in the inner wall of the bracket, the inner wall of the guide groove is slidably connected with a concave frame, symmetrically distributed extrusion rods are fixedly connected to the outer wall of the concave frame, and the extrusion rods are positioned on the inner wall of the extrusion groove. According to the technical scheme, the top wall of the bracket is fixedly connected with the mounting frame, the outer wall of the mounting frame is fixedly connected with the driving motor, the output end of the driving motor is fixedly connected with the bidirectional screw A, and the bidirectional screw A is in threaded connection with the concave frame. As the preferable technical scheme of the application, the outer wall of the limiting block is connected with a sliding rod in a sliding manner, and the sliding rod is fixedly connected with the movable frame. Compared with the prior art, the utility model has the beneficial effects that: In the scheme of the application: 1. The limiting blo