CN211841020U

CN211841020U - Clamping device

Info

Publication number: CN211841020U
Application number: CN201922115800.9U
Authority: CN
Inventors: 刘洪�; 文少伟; 武耀鹏; 薛彦旭
Original assignee: Hong Fu Jin Precision Industry Taiyuan Co
Current assignee: Fulian Technology Shanxi Co Ltd
Priority date: 2019-11-30
Filing date: 2019-11-30
Publication date: 2020-11-03
Anticipated expiration: 2029-11-30

Abstract

A clamping device comprises a support frame, a driving mechanism and a clamping mechanism, wherein the driving mechanism comprises a movable driving piece, a force dividing frame and a connecting rod, the movable driving piece is connected with the force dividing frame, one end of the connecting rod is pivoted with the force dividing frame, the other end of the connecting rod is pivoted with the clamping mechanism, the movable driving piece drives the force dividing frame to move, the connecting rod is driven to move, the clamping mechanism which is arranged on the support frame in a sliding mode is driven to slide, and the clamping mechanism is used for clamping a workpiece; the clamping mechanism comprises a sliding seat and a clamping assembly, the sliding seat is connected with the supporting frame in a sliding mode, the clamping assembly is connected with the sliding seat, the clamping assembly comprises a clamping driving piece and two clamping fingers, the clamping driving piece is connected with the sliding seat, and the clamping driving piece drives the two clamping fingers to clamp the workpiece tightly. The clamping device is driven by the driving mechanism to clamp the workpiece and move, and the workpiece is clamped by the clamping mechanism, so that the workpiece is clamped, the clamping device is simple in structure, can simultaneously clamp a plurality of workpieces, is convenient to operate, and improves clamping efficiency.

Description

Clamping device

Technical Field

The utility model relates to a press from both sides and get device.

Background

In the production and processing process, the small parts are indispensable for processing and use, and after the small parts are processed, the small parts need to be detached from the jig for subsequent use. At present, manual dismantling is mostly carried out manually, and parts are relatively small and large in quantity, so that the parts are frequently scratched when being dismantled manually, and the dismantling is difficult.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a gripping device.

A clamping device comprises a supporting frame, a driving mechanism and a clamping mechanism, wherein the driving mechanism comprises a movable driving piece, a force dividing frame and a connecting rod, the movable driving piece is connected with the force dividing frame, one end of the connecting rod is pivoted with the force dividing frame, the other end of the connecting rod is pivoted with the clamping mechanism, the movable driving piece drives the force dividing frame to move, the connecting rod is driven to move, the clamping mechanism arranged on the supporting frame in a sliding mode is driven to slide, and the clamping mechanism is used for clamping a workpiece;

the clamping mechanism comprises a sliding seat and a clamping assembly, the sliding seat is connected with the supporting frame in a sliding mode, the clamping assembly is connected with the sliding seat, the clamping assembly comprises a clamping driving piece and two clamping fingers, the clamping driving piece is connected with the sliding seat, and the clamping driving piece drives the two clamping fingers to clamp a workpiece.

Furthermore, the clamping assembly further comprises a reset piece, a reset groove is formed in one surface, opposite to the two clamping fingers, of the reset piece, the reset piece is arranged in the reset groove, and two ends of the reset piece respectively abut against the corresponding clamping fingers.

Furthermore, the clamping assembly further comprises a pushing block, the clamping driving piece drives the pushing block to move towards the clamping fingers, and the pushing block is matched with the clamping fingers to enable the two clamping fingers to approach each other.

Furthermore, a driving groove is formed in one side, facing the clamping fingers, of the push block, driving portions are respectively arranged on one sides, facing the push block, of the two clamping fingers, and when the push block moves towards the two clamping fingers, the driving groove can be matched with the two driving portions, so that the two clamping fingers are close to each other.

Further, the clamping assembly further comprises a clamping seat, the clamping seat is connected with the sliding seat, and the clamping driving piece is connected with the clamping seat.

Furthermore, the clamping assembly further comprises a limiting part, and the limiting part is arranged on the clamping base and is positioned between the two clamping fingers.

Furthermore, the clamping assembly further comprises a stop piece, and the stop piece is arranged on the clamping seat and is positioned on one side of the clamping finger.

Furthermore, the clamping mechanism further comprises a buffer assembly, the buffer assembly is arranged on the sliding seat, and the clamping driving piece is connected with the buffer assembly.

Furthermore, the sliding seat comprises a connecting block and a fixing frame, the connecting block is arranged on the fixing frame and is pivoted with the connecting rod, a sliding block is arranged on the fixing frame, a sliding rail matched with the sliding block is arranged on the supporting frame, and the buffering assembly is arranged on the fixing frame.

Furthermore, the buffer assembly comprises a buffer seat, a sliding block and an elastic piece, the buffer seat is arranged on the sliding seat, a guide groove is formed in the buffer seat, the sliding block is arranged in the guide groove in a sliding mode, the elastic piece is arranged in the guide groove, one end of the elastic piece abuts against the sliding block, the other end of the elastic piece abuts against the buffer seat, and the clamping driving piece is connected with the sliding block.

The clamping device is driven by the driving mechanism to clamp the workpiece, the workpiece is clamped by the clamping mechanism, the workpiece is driven by the driving mechanism to be away from the workpiece to be detached, the workpiece is clamped, the clamping device is simple in structure, the workpieces can be clamped simultaneously, the operation is convenient, and the clamping efficiency is improved.

Drawings

Fig. 1 is a schematic perspective view of a gripping device according to an embodiment of the present invention.

Fig. 2 is a schematic perspective view of the gripping mechanism of the gripping apparatus shown in fig. 1.

Fig. 3 is a partially exploded perspective view of the gripper mechanism shown in fig. 2.

Description of the main elements

The following detailed description of the invention will be further described in conjunction with the above-identified drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, one embodiment of the present invention provides a clamping device 100. The clamping device 100 can clamp the workpiece 200 on the jig 300. The grasping apparatus 100 includes a support frame 10, a driving mechanism 20, and a grasping mechanism 30. The driving mechanism 20 is disposed on the supporting frame 10. The clamping mechanism 30 is slidably disposed on the supporting frame 10. The driving mechanism 20 is used for driving the gripping mechanism 30 to move to approach the jig 300. The gripping mechanism 30 is used for gripping the workpiece 200 on the jig 300 and can be detached under the driving of the driving mechanism 20.

Specifically, the supporting frame 10 includes a supporting plate 11 and a fixing plate 12. The fixing plate 12 is disposed on the support plate 11. The driving mechanism 20 is provided on the fixed plate 12. The gripping mechanism 30 is slidably disposed on the support plate 11.

The driving mechanism 20 includes a movable driving member 21, a connecting plate 22, a force-dividing frame 23, and a plurality of connecting rods 24. The movable driving member 21 is disposed on the fixing plate 12. The connecting plate 22 is disposed on the driving end of the movable driving member 21. The force-dividing frame 23 is disposed at one end of the connecting plate 22. One end of each of the plurality of links 24 is pivotally connected to the force component frame 23, and the other end is pivotally connected to the corresponding gripping mechanism 30. The movable driving member 21 is used for driving the connecting plate 22 to move so as to drive the force-dividing frame 23 to move, thereby driving the connecting rod 24 to move so that the clamping mechanism 30 slidably disposed on the supporting plate 11 slides on the supporting plate 11.

Referring to fig. 2, the clamping mechanism 30 includes a sliding seat 31, a buffering assembly 32 and a clamping assembly 33. The sliding seat 31 is slidably disposed on the supporting plate 11 and pivotally connected to the connecting rod 24. The buffer assembly 32 is disposed on the sliding seat 31. The gripping assembly 33 is disposed on the cushioning assembly 32. The buffer assembly 32 is used for buffering the movement of the driving mechanism 20 driving the sliding seat 31. The gripping assembly 33 is used to grip the workpiece 200.

Specifically, referring to fig. 1 and fig. 3, the supporting plate 11 is provided with a sliding rail 111. The support plate 11 is further provided with a guide hole 112 along a direction parallel to the extension direction of the slide rail 111. The sliding seat 31 includes a connecting block 311 and a fixing frame 312. The connecting block 311 is disposed on the fixing frame 312 and pivotally connected to the connecting rod 24. The fixing frame 312 is disposed through the guiding hole 112. The fixed frame 312 is provided with a sliding block 3121 engaged with the sliding rail 111. The driving mechanism 20 can drive the fixing frame 312 to move along the sliding rail 111.

The buffer assembly 32 includes a buffer seat 321, a sliding block 322 and an elastic member 323. The buffer seat 321 is disposed on the fixing frame 312. The buffer seat 321 is provided with a guide slot 3211 along a direction parallel to the extension direction of the slide rail 111. The sliding block 322 is slidably disposed in the guide groove 3211. The elastic element 323 is disposed in the guide groove 3211, and one end of the elastic element abuts against the sliding block 322, and the other end abuts against the buffer seat 321. The clamping assembly 33 is arranged on the sliding block 322.

The gripping assembly 33 includes a gripping base 331, a gripping driving member 332, a pushing block 333, two gripping fingers 334 and a restoring member 335. The clamping seat 331 is disposed on the sliding block 322. The gripping driving member 332 is disposed on the gripping base 331. The gripping driver 332 is provided with a driving block 3321. The clamping base 331 is formed with a limiting groove 3311. The pushing block 333 is located in the position-limiting groove 3311. One side of the pushing block 333 is provided with a receiving groove 3331 for receiving the driving block 3321. The two clamping fingers 334 are slidably disposed in the retaining grooves 3311, respectively. When the pushing block 333 moves toward the two clamping fingers 334, the two clamping fingers 334 can be respectively pressed against the two clamping fingers 334 to make the two clamping fingers 334 approach each other to clamp the workpiece 200. The opposite surfaces of the two clamping fingers 334 are provided with reset grooves 3341. The reset piece 335 is disposed in the reset groove 3341, and two ends of the reset piece respectively abut against the corresponding clamping fingers 334.

A driving groove 3332 for driving the clamping finger 334 is formed on one side of the pushing block 333 facing the clamping finger 334. The two clamping fingers 334 are provided with driving parts 3342 on one side facing the pushing block 333. When the pushing block 333 moves toward the two clamping fingers 334, the driving groove 3332 may cooperate with the driving portions 3342 of the two clamping fingers 334 to move the two clamping fingers 334 toward each other to clamp the workpiece 200.

In one embodiment, the driving portion 3342 is wedge-shaped, and the driving slot 3332 is wedge-shaped. The inclination angles of the driving groove 3332 and the driving portion 3342 may be set according to the distance that the clamping finger 334 needs to move relatively.

In one embodiment, the clamping assembly 33 further includes a stopper 336 and a stopper 337. The limiting member 336 is disposed on the clamping base 331 and located between the two clamping fingers 334. The limiting member 336 is used for limiting the relative movement distance of the clamping fingers 334 so as to prevent clamping damage to the workpiece 200. The stop 337 is disposed on the clamping base 331 and located at a side of the clamping finger 334 away from the other clamping finger 334. The stop 337 serves to limit the distance between the clamping fingers 334 relatively far apart to prevent the clamping fingers 334 from disengaging from the push block 333.

It is understood that the gripping assembly 33 may be provided in one or more number according to the number of the workpieces 200 to be gripped.

In one embodiment, the force-dividing frame 23 is pivotally connected to four links 24, and two opposite links 24 are pivotally connected to two opposite gripping mechanisms 30 respectively.

In one embodiment, the grasping apparatus 100 further includes a sensor 50. The sensor 50 is disposed on the support plate 11. The sensor 50 is used to sense the gripping position of the gripping mechanism 30 to prevent empty gripping.

In one embodiment, the elastic members 323 and the restoring member 335 are springs.

When the clamping device is used, the movable driving member 21 drives the connecting plate 22 to move, so as to drive the force dividing frame 23 to move, and further drive the connecting rod 24 to move, so that the sliding seat 31 pivoted with the connecting rod 24 slides on the supporting plate 11, and the clamping assembly 33 is close to the workpiece 200 on the jig 300. Subsequently, the clamping driving member 332 drives the driving block 3321 to move toward the two clamping fingers 334, and drives the driving grooves 3332 of the pushing block 333 to abut against the driving portions 3342 of the two clamping fingers 334, respectively, so that the two clamping fingers 334 approach each other to clamp the workpiece 200 on the fixture 300. Then the movable driving member 21 drives the connecting plate 22 to return, and the connecting rod 24 drives the sliding seat 31 to slide on the supporting plate 11, so that the clamping assembly 33 is away from the jig 300, thereby detaching the workpiece 200 from the jig 300.

The clamping device 100 drives the clamping mechanism 30 to move close to the jig 300 through the driving mechanism 20, the workpiece 200 on the jig 300 is clamped through the clamping mechanism 30, and the workpiece 200 can be kept away under the driving of the driving mechanism 20 to be detached from the workpiece 200, so that the clamping of the workpiece 200 is realized, the structure is simple, a plurality of workpieces can be clamped simultaneously, the operation is convenient, and the clamping efficiency is improved.

In addition, other changes may be made by those skilled in the art without departing from the spirit of the invention, and it is intended that all such changes be considered within the scope of the invention.

Claims

1. The utility model provides a press from both sides and get device, includes support frame, actuating mechanism and presss from both sides and get the mechanism, its characterized in that: the driving mechanism comprises a movable driving part, a force dividing frame and a connecting rod, the movable driving part is connected with the force dividing frame, one end of the connecting rod is pivoted with the force dividing frame, the other end of the connecting rod is pivoted with the clamping mechanism, the movable driving part drives the force dividing frame to move, the connecting rod is driven to move, the clamping mechanism arranged on the supporting frame in a sliding mode is driven to slide, and the clamping mechanism is used for clamping a workpiece;

2. The grasping apparatus according to claim 1, characterized in that: the clamping assembly further comprises a reset piece, a reset groove is formed in one surface, opposite to the clamping fingers, of the two clamping fingers, the reset piece is arranged in the reset groove, and two ends of the reset piece respectively abut against one corresponding clamping finger.

3. The grasping apparatus according to claim 1, characterized in that: the clamping assembly further comprises a push block, the clamping driving piece drives the push block to move towards the clamping fingers, and the push block is matched with the clamping fingers to enable the two clamping fingers to approach each other.

4. The grasping apparatus according to claim 3, characterized in that: the push block is provided with a driving groove on one side facing the clamping fingers, driving parts are respectively arranged on one sides of the two clamping fingers facing the push block, and when the push block moves towards the two clamping fingers, the driving groove can be matched with the two driving parts to enable the two clamping fingers to be close to each other.

5. The grasping apparatus according to claim 1, characterized in that: the clamping assembly further comprises a clamping seat, the clamping seat is connected with the sliding seat, and the clamping driving piece is connected with the clamping seat.

6. The grasping apparatus according to claim 5, characterized in that: the clamping assembly further comprises a limiting part, and the limiting part is arranged on the clamping base and is located between the two clamping fingers.

7. The grasping apparatus according to claim 5, characterized in that: the clamping assembly further comprises a stop piece, and the stop piece is arranged on the clamping seat and is positioned on one side of the clamping finger.

8. The grasping apparatus according to claim 1, characterized in that: the clamping mechanism further comprises a buffer assembly, the buffer assembly is arranged on the sliding seat, and the clamping driving piece is connected with the buffer assembly.

9. The grasping apparatus according to claim 8, wherein: the sliding seat comprises a connecting block and a fixing frame, the connecting block is arranged on the fixing frame and is pivoted with the connecting rod, a sliding block is arranged on the fixing frame, a sliding rail matched with the sliding block is arranged on the supporting frame, and the buffering assembly is arranged on the fixing frame.

10. The grasping apparatus according to claim 9, characterized in that: the buffer assembly comprises a buffer seat, a sliding block and an elastic piece, the buffer seat is arranged on the sliding seat, a guide groove is formed in the buffer seat, the sliding block is arranged in the guide groove in a sliding mode, the elastic piece is arranged in the guide groove, one end of the elastic piece abuts against the sliding block, the other end of the elastic piece abuts against the buffer seat, and the clamping driving piece is connected with the sliding block.