Machine tool clamping jaw with protection structure

By designing auxiliary protection and clamping structures on the machine tool jaws, the problems of anti-slip texture wear and reduced clamping accuracy are solved, extending the service life of the jaws and reducing resource waste.

CN222326744UActive Publication Date: 2025-01-10WAFANGDIAN HUANTONG MASCH TOOL ACCESSORIES CO LTD
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Patent Information

Application Number
CN202421202628.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-29
Publication Date
2025-01-10
Estimated Expiration
2034-05-29

AI Technical Summary

Technical Problem

The anti-slip lines of existing machine tool jaws are easily worn, and scratches on the outer surface are prone to occur during clamping, resulting in a reduction in clamping accuracy and increasing cost of use.

Method used

A machine tool jaw with a protective structure is designed, including a rectangular slide plate, a spiral groove, an auxiliary protective structure and an auxiliary clamping structure. Through the first screw, a screw hole plate, a movable plate, a connecting plate and a clamping block, the first screw is realized. Effective protection and clamping adjustment of the claw body.

Benefits of technology

It extends the service life of the jaw, reduces resource waste and usage costs caused by wear, and improves clamping accuracy and flexibility.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a machine tool clamping jaw with a protection structure, which belongs to the technical field of machine tool clamping jaws and comprises a clamping jaw body, rectangular sliding plates are fixedly connected to two sides of the clamping jaw body, a spiral groove is formed in the bottom of the outer surface of the clamping jaw body, and an auxiliary protection structure is arranged on the vertical outer surface of the clamping jaw body. An auxiliary clamping structure is arranged at the top of the transverse outer surface of the clamping jaw body and comprises a first screw. According to the machine tool clamping jaw with the protection structure, the auxiliary protection structure is arranged, under the action of the connecting plate and the movable plate, the clamping part of the clamping jaw body can be effectively protected, then the clamping jaw body cannot be scratched in the clamping process, and when the movable plate or the connecting plate is damaged, the movable plate or the movable plate cannot be damaged. And only the movable plate or the connecting plate needs to be replaced independently, so that the use cost increase caused by abrasion is reduced, and the service life of the clamping jaw body is prolonged.
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Description

Technical Field

[0001] The utility model belongs to the technical field of machine tool clamping claws, in particular to a machine tool clamping claw with a protection structure. Background Art

[0002] The jaws are one of the important components of the chuck. In the mechanical structure, the chuck is used to clamp and hold the workpiece, or the machine tool accessories to clamp and position the workpiece. Most of them are evenly distributed 360 degrees, so that the three jaws approach or withdraw from the center at the same time to complete the work.

[0003] The clamping claw of the prior art mainly includes a clamping claw body, a rectangular slide sliding with the chuck body and a spiral groove at the bottom. When in use, the clamping claw is fixed to the chuck body, and then under the action of the rectangular slide and the spiral groove, the clamping claw cooperates with the chuck body to move and clamp the object.

[0004] However, in actual use, the anti-slip grooves on the jaws are very easy to wear, and the outer surface of the jaws will be scratched during the clamping process. When the scratches are deep, it will affect the clamping accuracy. Once damaged, the entire jaw needs to be replaced, which will cause a waste of resources and increase the cost of use. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides a machine tool claw with a protective structure, which solves the problem that the anti-slip texture on the claw is very easy to be worn during actual use, and the outer surface of the claw may be scratched during the clamping process. When the scratches are deep, it will affect the clamping accuracy. Once damaged, it needs to be replaced as a whole, which will cause a waste of resources and increase the cost of use.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a machine tool claw with a protective structure, comprising a claw body, rectangular slides are fixedly connected on both sides of the claw body, a spiral groove is provided at the bottom of the outer surface of the claw body, the vertical outer surface of the claw body is provided with an auxiliary protective structure, and the top of the transverse outer surface of the claw body is provided with an auxiliary clamping structure, the auxiliary protective structure comprises a first screw rod, the top of the outer surface of the first screw rod is fixedly connected with an operating block, the bottom end of the outer surface of the first screw rod is rotatably connected to the top of the claw body, the outer surface of the first screw rod is threadedly connected with a screw hole plate, the top of the outer surface of the claw body is fixedly connected with a limit rod, and the limit rod is slidably set on the inner wall of the screw hole plate.

[0009] As a further solution of the utility model: circular clamping holes are symmetrically opened on both sides of the outer surface of the screw hole plate, the inner wall of the circular clamping hole is clamped with a circular clamping rod, one side of the outer surface of the circular clamping rod is fixedly connected to a movable plate, and one side of the outer surface of the movable plate is fixedly connected to an anti-slip bump.

[0010] As a further solution of the utility model: the outer surface of the screw hole plate is fixedly connected to the two sides adjacent to the circular clamping hole with a first rectangular clamping block, the outer surface of the first rectangular clamping block is clamped with a rectangular clamping frame, and one side of the outer surface of the rectangular clamping frame is fixedly connected to a connecting plate.

[0011] As a further solution of the utility model: a threaded clamping rod is threadedly connected to the top inner wall of the rectangular clamping frame, a threaded clamping hole is opened on the top of the outer surface of the first rectangular clamping block, and the threaded clamping rod and the threaded clamping hole are detachably clamped.

[0012] As a further solution of the utility model: a second rectangular clamping block is fixedly connected to one side of the outer surface of the connecting plate, and rectangular clamping grooves are opened on both sides of the outer surface of the movable plate, and the second rectangular clamping block is detachably clamped to the inner wall of the rectangular clamping groove.

[0013] As a further solution of the utility model: the auxiliary clamping structure includes a mounting block, the bottom of the outer surface of the mounting block is fixedly connected to the top of the outer surface of the claw body, the inner wall of the mounting block is threadedly connected to a second screw, one end of the second screw is fixedly connected to a circular block, and the other end of the second screw is rotatably connected to the clamping block.

[0014] As a further solution of the utility model: a rectangular protrusion is fixedly connected to one side of the outer surface of the clamping block, and a limiting slide is fixedly connected to the side of the outer surface of the clamping block opposite to the rectangular protrusion, and the limiting slide is slidably arranged on the inner wall of the mounting block.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The machine tool clamping claw with a protective structure can effectively protect the clamping part of the clamping claw body under the action of the connecting plate and the movable plate by setting an auxiliary protective structure, so that the clamping claw body will not be scratched during the clamping process. When the movable plate or the connecting plate is damaged, it is only necessary to replace the movable plate or the connecting plate separately, thereby reducing the increase in the use cost caused by wear and tear and extending the service life of the clamping claw body.

[0018] 2. The machine tool clamping claw with a protective structure can drive the movable plate and the connecting plate to move up and down by setting a first screw and a screw hole plate, thereby adjusting the actual clamping position, and can perform auxiliary adjustment according to the different clamping positions of objects of different sizes.

[0019] 3. The machine tool clamping jaw with a protective structure is provided with an auxiliary clamping structure. Under the action of the second screw and the clamping block, when the clamping jaw body clamps the inner wall of the object, the outer part of the object can be auxiliary clamped and fixed. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 2 It is a three-dimensional structural diagram of the clamping claw body of the utility model;

[0022] Figure 3 It is a three-dimensional structural schematic diagram of the connection plate of the utility model;

[0023] Figure 4 It is a three-dimensional structural schematic diagram of the second screw of the utility model.

[0024] In the figure: 1. claw body; 2. rectangular slide plate; 3. spiral groove; 4. auxiliary protection structure; 41. first screw rod; 42. limit rod; 43. screw hole plate; 44. round clamping hole; 45. round clamping rod; 46. movable plate; 47. anti-skid protrusion; 48. rectangular clamping groove; 49. first rectangular clamping block; 410. threaded clamping hole; 411. rectangular clamping frame; 412. threaded clamping rod; 413. connecting plate; 414. second rectangular clamping block; 5. auxiliary clamping structure; 51. mounting block; 52. second screw rod; 53. round block; 54. clamping block; 55. limit slide rod; 56. rectangular protrusion. DETAILED DESCRIPTION

[0025] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0026] like Figure 1-4As shown, the utility model provides a technical solution: a machine tool clamping jaw with a protective structure, comprising a clamping jaw body 1, rectangular slides 2 are fixedly connected to both sides of the clamping jaw body 1, a spiral groove 3 is opened at the bottom of the outer surface of the clamping jaw body 1, and the clamping jaw body 1 can be moved in cooperation with the chuck body by arranging the rectangular slide 2 and the spiral groove 3, and the vertical outer surface of the clamping jaw body 1 is provided with an auxiliary protective structure 4, and the top of the lateral outer surface of the clamping jaw body 1 is provided with an auxiliary clamping structure 5, the auxiliary protective structure 4 comprises a first screw rod 41, the top of the outer surface of the first screw rod 41 is fixedly connected with an operating block, the bottom end of the outer surface of the first screw rod 41 is rotatably connected to the top of the clamping jaw body 1, and the outer surface of the first screw rod 41 is threadedly connected with a screw hole plate 43, and by arranging the first screw rod 41 and the screw hole plate 43, the first screw rod 41 can drive the screw hole plate 43 to move, and then cooperate with other components to play a role, and the top of the outer surface of the clamping jaw body 1 is fixedly connected with a limiting rod 42, and the limiting rod 42 is slidably arranged on the inner wall of the screw hole plate 43.

[0027] Specifically, Figure 2 and Figure 3 As shown, circular clamping holes 44 are symmetrically provided on both sides of the outer surface of the screw hole plate 43, and a circular clamping rod 45 is clamped on the inner wall of the circular clamping hole 44. A movable plate 46 is fixedly connected to one side of the outer surface of the circular clamping rod 45. By setting the circular clamping rod 45 and the circular clamping hole 44, the movable plate 46 can be auxiliary fixed. An anti-slip protrusion 47 is fixedly connected to one side of the outer surface of the movable plate 46. The outer surface of the screw hole plate 43 is fixedly connected to the two sides adjacent to the circular clamping hole 44 with a first rectangular clamping block 49. The outer surface of the first rectangular clamping block 49 is clamped with a rectangular clamping frame 411. By setting the first rectangular clamping block 49 and the rectangular clamping frame 411, the connecting plate 413 and the screw hole plate 43 can be fixed. One side of the outer surface of the rectangular clamping frame 411 is fixedly connected to the connecting plate Plate 413, the top inner wall of the rectangular clamping frame 411 is threadedly connected with a threaded clamping rod 412, the top of the outer surface of the first rectangular clamping block 49 is provided with a threaded clamping hole 410, the threaded clamping rod 412 and the threaded clamping hole 410 are detachably clamped, and the first rectangular clamping block 49 and the rectangular clamping frame 411 can be fixed by setting the threaded clamping hole 410 and the threaded clamping rod 412, and the second rectangular clamping block 414 is fixedly connected to one side of the outer surface of the connecting plate 413, and rectangular clamping grooves 48 are provided on both sides of the outer surface of the movable plate 46, and the second rectangular clamping block 414 is detachably clamped with the inner wall of the rectangular clamping groove 48, and the movable plate 46 and the connecting plate 413 can be fixed by setting the rectangular clamping groove 48 and the second rectangular clamping block 414.

[0028] Specifically, Figure 4As shown, the auxiliary clamping structure 5 includes a mounting block 51, the bottom of the outer surface of the mounting block 51 is fixedly connected to the top of the outer surface of the claw body 1, the inner wall of the mounting block 51 is threadedly connected with a second screw 52, ​​one end of the second screw 52 is fixedly connected with a circular block 53, and by setting the second screw 52 and the clamping block 54, auxiliary clamping of the object can be performed, the other end of the second screw 52 is rotatably connected with the clamping block 54, one side of the outer surface of the clamping block 54 is fixedly connected with a rectangular protrusion 56, and the outer surface of the clamping block 54 is fixedly connected to the side opposite to the rectangular protrusion 56 with a limiting slide rod 55, and the limiting slide rod 55 is slidably set on the inner wall of the mounting block 51.

[0029] The working principle of the utility model is:

[0030] S1, the round clamping rod 45 is clamped into the inner wall of the round clamping hole 44, and the second rectangular clamping block 414 is clamped into the inner wall of the rectangular clamping frame 411. At this time, the first rectangular clamping block 49 is fixed to the rectangular clamping groove 48, and the threaded clamping rod 412 is rotated to fix it to the threaded clamping hole 410;

[0031] S2, at this time, the first screw rod 41 is rotated so that the first screw rod 41 can drive the screw hole plate 43 to move, and then drive the movable plate 46 and the connecting plate 413 to move, and then the positions of the movable plate 46 and other components can be adjusted;

[0032] S3. Rotate the second screw rod 52 so that the second screw rod 52 can drive the clamping block 54 to move, thereby causing the limiting slide bar 55 to slide on the inner wall of the mounting block 51, thereby causing the rectangular protrusion 56 to clamp and fix the object.

[0033] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0034] The above describes in detail the preferred implementation of this patent, but this patent is not limited to the above implementation. Various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of this patent.

Claims

1. A machine tool clamping jaw with a protective structure, comprising a clamping jaw body (1), characterized in that: Rectangular slides (2) are fixedly connected to both sides of the claw body (1); a spiral groove (3) is provided at the bottom of the outer surface of the claw body (1); an auxiliary protection structure (4) is provided on the vertical outer surface of the claw body (1); an auxiliary clamping structure (5) is provided on the top of the transverse outer surface of the claw body (1); the auxiliary protection structure (4) comprises a first screw rod (41); an operating block is fixedly connected to the top of the outer surface of the first screw rod (41); the bottom end of the outer surface of the first screw rod (41) is rotatably connected to the top of the claw body (1); a screw hole plate (43) is threadedly connected to the outer surface of the first screw rod (41); a limiting rod (42) is fixedly connected to the top of the outer surface of the claw body (1); and the limiting rod (42) is slidably arranged on the inner wall of the screw hole plate (43).

2. The machine tool claw with a protective structure according to claim 1, characterized in that: Circular clamping holes (44) are symmetrically formed on both sides of the outer surface of the screw hole plate (43); a circular clamping rod (45) is clamped on the inner wall of the circular clamping hole (44); a movable plate (46) is fixedly connected to one side of the outer surface of the circular clamping rod (45); and an anti-slip protrusion (47) is fixedly connected to one side of the outer surface of the movable plate (46).

3. The machine tool claw with a protective structure according to claim 2, characterized in that: A first rectangular clamping block (49) is fixedly connected to two sides of the outer surface of the screw hole plate (43) adjacent to the circular clamping hole (44); a rectangular clamping frame (411) is clamped to the outer surface of the first rectangular clamping block (49); and a connecting plate (413) is fixedly connected to one side of the outer surface of the rectangular clamping frame (411).

4. The machine tool claw with a protective structure according to claim 3, characterized in that: The top inner wall of the rectangular clamping frame (411) is threadedly connected with a threaded clamping rod (412), and the top of the outer surface of the first rectangular clamping block (49) is provided with a threaded clamping hole (410), and the threaded clamping rod (412) and the threaded clamping hole (410) are detachably clamped.

5. The machine tool claw with a protective structure according to claim 3, characterized in that: A second rectangular clamping block (414) is fixedly connected to one side of the outer surface of the connecting plate (413), and rectangular clamping grooves (48) are provided on both sides of the outer surface of the movable plate (46), and the second rectangular clamping block (414) is detachably clamped to the inner wall of the rectangular clamping groove (48).

6. The machine tool claw with a protective structure according to claim 1, characterized in that: The auxiliary clamping structure (5) comprises a mounting block (51), the bottom of the outer surface of the mounting block (51) is fixedly connected to the top of the outer surface of the claw body (1), the inner wall of the mounting block (51) is threadedly connected to a second screw rod (52), one end of the second screw rod (52) is fixedly connected to a circular block (53), and the other end of the second screw rod (52) is rotatably connected to a clamping block (54).

7. The machine tool clamping claw with a protective structure according to claim 6, characterized in that: A rectangular protrusion (56) is fixedly connected to one side of the outer surface of the clamping block (54), and a limiting slide bar (55) is fixedly connected to the side of the outer surface of the clamping block (54) opposite to the rectangular protrusion (56), and the limiting slide bar (55) is slidably arranged on the inner wall of the mounting block (51).