Clamp mechanism for machine tool

Abstract

The utility model discloses a clamp mechanism for a machine tool. The clamp comprises a clamp base, a left clamp module and a right clamp module, a sliding groove is formed in the top of the clamp base, the sliding groove is formed in the left-right direction, the left clamp module comprises a left driving module, a sliding block and a left clamp body, the sliding block is located in the sliding groove and can slide along the sliding groove, and the left clamp body is arranged at the top of the sliding block; the left driving module is used for driving the sliding block to move, the right clamp module comprises a right driving module and a right clamp body located on the right side of the top face of the clamp base, a rotating shaft is arranged on the right side of the sliding groove and arranged in the front-back direction, the right clamp body is rotationally connected with the rotating shaft, and the right driving module is used for driving the right clamp body to rotate around the rotating shaft. According to the utility model, the sawing planeness and perpendicularity precision of the workpiece can be improved, so that the yield of the workpiece is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of clamps, in particular to a clamp mechanism for a machine tool. Background Art

[0002] In the machine tool cutting process, the workpiece to be cut needs to be clamped by the clamping mechanism before it can be cut. The clamping mechanism clamps the workpiece to be cut by bringing the left clamp body close to the right clamp body. During the process of the clamping mechanism clamping the workpiece to be cut, the workpiece to be cut first contacts with the left clamp body and is driven to move. During the movement of the workpiece to be cut, the workpiece will tilt, causing the workpiece to be in a tilted state after being clamped. After the workpiece to be cut in the tilted state is cut, the sawing flatness and verticality accuracy will decrease, resulting in a decrease in the workpiece yield rate. Summary of the invention

[0003] In order to solve the above technical problems, the utility model provides a clamping mechanism for a machine tool, which can improve the sawing flatness and verticality accuracy of a workpiece and increase the yield rate of the workpiece.

[0004] In order to solve the above problems, the utility model adopts the following technical solutions:

[0005] The utility model discloses a clamp mechanism for a machine tool, comprising a clamp seat, a left clamp module and a right clamp module, a slide groove is provided on the top of the clamp seat, and the slide groove is arranged to run left and right, the left clamp module comprises a left driving module, a slider and a left clamp body, the slider is located in the slide groove and can slide along the slide groove, the left clamp body is arranged on the top of the slider, the left driving module is used to drive the slider to move, the right clamp module comprises a right driving module and a right clamp body located on the right side of the top surface of the clamp seat, a rotating shaft is provided on the right side of the slide groove, the rotating shaft is arranged to run forward and backward, the right clamp body is rotatably connected to the rotating shaft, and the right driving module is used to drive the right clamp body to rotate around the rotating shaft.

[0006] In this solution, when the left clamp body pushes the workpiece to be cut into contact with the right clamp body, the workpiece will be tilted, resulting in the workpiece being in a tilted state after being clamped. In order to avoid the reduction of sawing flatness and verticality accuracy after the workpiece is cut due to the tilt of the workpiece, before cutting the workpiece, the right drive module drives the right clamp body to rotate around the rotating axis, and the right clamp body tilts to the left as a whole. The right clamp body flips to the left to squeeze the right side of the workpiece to be cut so that the workpiece to be cut returns to the straight state.

[0007] Preferably, the right driving module comprises a first driving device arranged on the clamp seat, the output end of the first driving device is connected to the bottom of the right clamp body through a connecting piece, and the left end of the first driving device is rotatably connected to the slide slot.

[0008] Preferably, the connecting member includes a first connecting block and a joint bearing, the first connecting block is fixedly connected to the bottom of the right clamp body, a connecting groove is provided on the left side of the first connecting block, the connecting groove is vertically arranged, the left side of the joint bearing is fixedly connected to the output end of the first drive device, and the right side of the joint bearing extends into the connecting groove and is rotatably connected to the connecting groove.

[0009] Preferably, a first clamping block is provided on the left side of the right clamp body, and an anti-slip stripe is provided on the left end surface of the first clamping block.

[0010] Preferably, the left driving module comprises a second driving device arranged on the left side of the clamp seat, the output end of the second driving device extends into the slide slot, and the sliding block is arranged on the output end of the second driving device.

[0011] The workpiece to be cut is placed on the clamp seat, and the second driving device drives the slider to move to the right along the slide groove. The slider drives the left clamp body to move toward the right clamp body. During the movement of the left clamp body, the workpiece to be cut is driven to move toward the right clamp body until the workpiece to be cut contacts the right clamp body. The second driving device continuously applies force so that the workpiece to be cut is clamped by the left and right clamp bodies.

[0012] Preferably, a second clamp block is provided on the right side of the left clamp body, and a right end surface of the second clamp block is provided with anti-slip stripes.

[0013] Preferably, a storage platform is further provided on the clamp seat, and the storage platform is located at the rear side of the clamp seat, and the top surface of the storage platform is connected to the top surface of the clamp seat and is located at the same horizontal height.

[0014] The beneficial effects of the utility model are as follows: the left driving module can drive the left clamp body to approach the right clamp body and clamp the workpiece to be cut; the right driving module can drive the right clamp body to tilt to the left to make the workpiece to be cut return to the center; the storage table can temporarily store the cut workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a cross-sectional view of the utility model;

[0017] Figure 3 It is a structural schematic diagram of the right clamp module and the rotating shaft in the utility model.

[0018] In the figure: 1. clamp seat, 11. slide slot, 12. rotating shaft, 2. left clamp module, 21. left drive module, 211. second drive device, 22. left clamp body, 221. second clamp block, 23. slider, 3. right clamp module, 31. right drive module, 32. right clamp body, 321. first clamp block, 33. first drive device, 4. connecting piece, 41. first connecting block, 411. connecting slot, 42. joint bearing, 5. storage table. DETAILED DESCRIPTION

[0019] The technical solution of the utility model is further specifically described below through embodiments and in conjunction with the accompanying drawings.

[0020] Embodiment: A clamping mechanism for a machine tool according to this embodiment, such as Figures 1 to 3 As shown, it includes a fixture seat 1, a left clamp module 2 and a right clamp module 3. A slide groove 11 is provided on the top of the fixture seat 1, and the slide groove 11 is arranged to run left and right. The left clamp module 2 includes a left driving module 21, a slider 23 and a left clamp body 22. The slider 23 is located in the slide groove 11 and can slide along the slide groove 11. The left clamp body 22 is arranged on the top of the slider 23. The right clamp module 3 includes a right driving module 31 and a right clamp body 32 located on the right side of the top surface of the fixture seat 1. A rotating shaft 12 is provided on the right side of the slide groove 11, and the rotating shaft 12 is arranged to run forward and backward. The right clamp body 32 is rotatably connected to the rotating shaft 12. The right driving module 31 includes a first driving device 33 arranged on the fixture seat 1. The output end of the first driving device 33 is connected to the bottom of the right clamp body 32 through a connecting member 4, and the left end of the first driving device 33 is rotatably connected to the slide groove 11. The connecting member 4 includes a first connecting block 41 and a joint bearing 42. The first connecting block 41 is fixedly connected to the bottom of the right caliper body 32. A connecting groove 411 is provided on the left side of the first connecting block 41. The connecting groove 411 is vertically arranged. The left side of the joint bearing 42 is fixedly connected to the output end of the first drive device 33. The right side of the joint bearing 42 extends into the connecting groove 411 and is rotatably connected to the connecting groove 411.

[0021] A first clamping block 321 is disposed on the left side of the right clamp body 32 , and an anti-slip stripe is disposed on the left end surface of the first clamping block 321 .

[0022] The left driving module 21 includes a second driving device 211 disposed on the left side of the clamp seat 1, the output end of the second driving device 211 extends into the slide slot 11, and the slider 23 is disposed on the output end of the second driving device 211. A second clamp block 221 is disposed on the right side of the left clamp body 22, and an anti-slip stripe is disposed on the right end surface of the second clamp block 221.

[0023] A storage platform 5 is also provided on the clamp seat 1 . The storage platform 5 is located at the rear side of the clamp seat 1 . The top surface of the storage platform 5 is connected to the top surface of the clamp seat 1 and is located at the same horizontal height.

[0024] In this solution, the workpiece to be cut is placed on the clamp seat, and the second driving device drives the slider to move to the right along the slide groove. The slider drives the left clamp body to move toward the right clamp body. During the movement of the left clamp body, the workpiece to be cut is driven to move toward the right clamp body until the workpiece to be cut contacts the right clamp body. The second driving device continuously applies force so that the workpiece to be cut is clamped by the left and right clamp bodies.

[0025] When the left clamp body pushes the workpiece to be cut to contact the right clamp body, the workpiece will be tilted, resulting in a tilted state after the workpiece is clamped. In order to avoid the reduction of sawing flatness and verticality accuracy after the workpiece is cut due to the tilt of the workpiece, before cutting the workpiece, the output end of the first drive device drives the joint bearing to move to the right, and the joint bearing drives the first connecting block to move to the right synchronously. During the movement of the first connecting block to the right, it drives the right clamp body to rotate around the rotating axis, and the right clamp body tilts to the left as a whole. The left flipping of the right clamp body drives the workpiece to be cut back to the center.

Claims

1. A clamping mechanism for a machine tool, characterized in that: The clamp seat (1) comprises a clamping device (1), a left clamp module (2) and a right clamp module (3). The top of the clamp seat (1) is provided with a slide groove (11), and the slide groove (11) is arranged to run left and right. The left clamp module (2) comprises a left driving module (21), a slider (23) and a left clamp body (22). The slider (23) is located in the slide groove (11) and can slide along the slide groove (11). The left clamp body (22) is arranged on the top of the slider (23). The left driving module (21) is used to drive the slider (23) to move. The right clamp module (3) comprises a right driving module (31) and a right clamp body (32) located on the right side of the top surface of the clamp seat (1). A rotating shaft (12) is arranged on the right side of the slide groove (11), and the rotating shaft (12) is arranged to run forward and backward. The right clamp body (32) is rotatably connected to the rotating shaft (12), and the right driving module (31) is used to drive the right clamp body (32) to rotate around the rotating shaft (12).

2. The clamping mechanism for a machine tool according to claim 1, characterized in that: The right driving module (31) comprises a first driving device (33) arranged on the clamp seat (1), the output end of the first driving device (33) is connected to the bottom of the right clamp body (32) through a connecting piece (4), and the left end of the first driving device (33) is rotatably connected to the slide groove (11).

3. The clamping mechanism for a machine tool according to claim 2, characterized in that: The connecting member (4) comprises a first connecting block (41) and a joint bearing (42); the first connecting block (41) is fixedly connected to the bottom of the right caliper body (32); a connecting groove (411) is provided on the left side of the first connecting block (41); the connecting groove (411) is vertically arranged; the left side of the joint bearing (42) is fixedly connected to the output end of the first driving device (33); the right side of the joint bearing (42) extends into the connecting groove (411) and is rotatably connected to the connecting groove (411).

4. The clamping mechanism for a machine tool according to claim 1, characterized in that: A first clamping block (321) is provided on the left side of the right clamp body (32), and a left end surface of the first clamping block (321) is provided with anti-slip stripes.

5. The clamping mechanism for a machine tool according to claim 1, 2, 3 or 4, characterized in that: The left driving module (21) comprises a second driving device (211) arranged on the left side of the clamp seat (1), the output end of the second driving device (211) extends into the slide groove (11), and the sliding block (23) is arranged on the output end of the second driving device (211).

6. The clamping mechanism for a machine tool according to claim 5, characterized in that: A second clamping block (221) is provided on the right side of the left clamp body (22), and a right end surface of the second clamping block (221) is provided with anti-slip stripes.

7. The clamping mechanism for a machine tool according to claim 1, characterized in that: The clamp seat (1) is also provided with a storage platform (5), which is located at the rear side of the clamp seat (1), and the top surface of the storage platform (5) is connected to the top surface of the clamp seat (1) and is located at the same horizontal height.

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