A clamping tool

Abstract

The application discloses a clamping tool for clamping a workpiece which includes a main body part and a projecting part projecting outside the clamping tool, and the clamping tool comprises a clamping body for clamping the main body part of the workpiece, a positioning block which is detachably connected with the clamping body, and an anti-upwarping block which is detachably connected with the positioning block and is provided with a notch at the front end, and the notch comprises an inclined upper surface for abutting against the end of the main body part to prevent the end of the main body part from being upwarped. The clamping tool is provided, the structure of the anti-upwarping block can effectively fix the end of the workpiece, the detachable positioning block ensures that the clamping tool is suitable for different models of workpieces, the clamping tool is connected with a pneumatic device, different models of products can be simultaneously machined, the operation is convenient, and the machining efficiency is high.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of mechanical processing, in particular to a clamping tool. BACKGROUND

[0002] At present, bone plates are often used in fracture surgery. The existing bone plates are mostly metal bone plates, which are designed according to the shape of human bones in a bionic manner, with the purpose of minimizing the damage of product stress caused by bending, compression and rotation of bones. Meanwhile, according to different parts of the product, the shape, thickness and screw hole spacing and aperture of the predetermined bone plate are different. The most commonly used materials are medical stainless steel and titanium alloy materials. The current bone plate product design mostly uses multi-station pneumatic tooling, but for the side clamps and bone plate products with exposed heads outside the tooling, the existing clamping tooling cannot be fixed, and it also cannot simultaneously right the multi-station products.

[0003] Therefore, a clamping tool capable of detachable connection with pneumatic tooling and effective fixation of the end of the bone plate becomes the key to solving the problem. SUMMARY

[0004] The purpose of the present application is to provide a clamping tool capable of detachable connection with pneumatic tooling and effective fixation of the end of the bone plate.

[0005] To achieve the above purpose, the present application adopts the following technical solution, comprising: a clamping tool for clamping a workpiece to be processed including at least a part of the workpiece protruding outside the clamping tool, the workpiece to be processed including a main body part to be clamped and a protruding part protruding outside the clamping tool, the clamping tool comprising:

[0006] a clamping body for clamping the main body part of the workpiece to be processed;

[0007] a positioning block capable of detachable connection with the clamping body;

[0008] a anti-warping block detachably connected with the positioning block, a notch is provided at the front end of the anti-warping block, the notch includes an inclined upper surface for abutting with the end of the main body part to prevent the end of the main body part from warping.

[0009] Preferably, the anti-warping block includes a rod part and a head part, the maximum radial dimension of the head part is greater than the radial dimension of the rod part.

[0010] Preferably, it further comprises an elastic member, the elastic member is sleeved on the rod part of the anti-warping block, and the two ends of the elastic member abut with the positioning block and the head part of the anti-warping block, respectively.

[0011] Preferably, it further comprises:

[0012] A mounting hole is vertically and penetratingly arranged on the positioning block, and is used for fixing the positioning block on the clamping body by a mounting bolt.

[0013] Preferably, the clamping tool further comprises:

[0014] A through hole is horizontally and transversely arranged on the positioning block, and is used for inserting the rod part of the anti-warping block;

[0015] A threaded hole is axially arranged in the rod part of the anti-warping block;

[0016] A bolt is horizontally and transversely inserted into the through hole of the anti-warping block, and an external thread is arranged on the screw rod of the bolt and is matched with the threaded hole, so as to detachably connect the anti-warping block with the positioning block.

[0017] Preferably, the through hole is a counterbore.

[0018] Preferably, the elastic member is a spring.

[0019] Preferably, the mounting hole is a counterbore bolt hole.

[0020] Preferably, a fixing seat is arranged on the clamping body, and a plurality of mounting grooves for mounting the positioning block are arranged on the fixing seat and are spaced apart along the length direction of the body part of the workpiece.

[0021] Preferably, a plurality of sliding clamping blocks are arranged on the clamping body, and the plurality of sliding clamping blocks are simultaneously controlled to move by a driving structure to clamp and release.

[0022] The clamping tool has the advantages that the structure design of the anti-warping block can effectively fix the end of the workpiece, the detachable positioning block ensures that the clamping tool is suitable for different models of workpieces, the clamping tool is connected with the pneumatic tool, different models of products can be simultaneously machined, the operation is convenient, and the machining efficiency is high. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 FIG. 1 is a schematic view of a clamping tool according to the present application.

[0024] Figure 2 FIG. 3 is a schematic view of the positioning block and the anti-warping block after assembly in the present application.

[0025] Figure 3 FIG. 4 is an A-A sectional view of FIG. 1. Figure 2

[0026] Figure 4 FIG. 5 is a perspective view of the positioning block and the anti-warping block after assembly in the present application.

[0027] Figure 5 ​is a working schematic diagram of the assembled positioning block and anti-warping block in the present application.

[0028] In the figure, 1, clamping tool;

[0029] 11, clamping body; 111, fixing seat; 1111, mounting groove; 112, sliding clamping block;

[0030] 12, positioning block; 121, mounting hole; 122, mounting bolt; 123, through hole

[0031] 13, anti-warping block; 131, head; 1311, notch; 132, rod; 1321, threaded hole;

[0032] 14, elastic member;

[0033] 15, bolt;

[0034] 2, workpiece to be processed;

[0035] 21, main body part;

[0036] 22, protruding part. DETAILED DESCRIPTION

[0037] The present application will be further described in detail below with reference to the accompanying drawings, so that those skilled in the art can implement the present application according to the description and drawings.

[0038] It should be understood that the terms such as "have", "contain" and "include" used herein do not exclude the presence or addition of one or other elements or combinations thereof.

[0039] As Figures 1-5 shown, the clamping tool 1 provided by the present embodiment is used to clamp a workpiece 2 including at least part of the clamping tool 1 outside the clamping tool 1, the workpiece 2 including a main body part 21 to be clamped and a protruding part 22 of the clamping tool 1, and the clamping tool 1 includes a clamping body 11, a positioning block 12 and an anti-warping block 13. The clamping body 11 is used to clamp the main body part 21 of the workpiece 2. The positioning block 12 is used to be detachably connected with the clamping body 11. The anti-warping block 13 is detachably connected with the positioning block 12, and the anti-warping block 13 is provided with a notch 1311 at the front end, the notch 1311 including an inclined upper surface, used to abut against the end of the main body part 21, and prevent the end of the main body part 21 of the workpiece 2 from being warped. The structural design of the clamping tool 1 solves the problem that it is difficult to fix and right the bone plate product of the side clamping type and the head exposed outside the clamping tool.

[0040] In the present embodiment, the anti-warping block 13 includes a head 131 and a rod 132, and the maximum radial dimension of the head 131 is greater than the radial dimension of the rod 132.

[0041] The notch 1311 is located at the lower part of the head 131, and includes a vertical surface and an inclined surface, which are at an obtuse angle, and are adapted to the end structure of the body part 21. The vertical surface is in contact with the end surface of the end of the body part 21, and the inclined surface is in contact with the upper surface of the end of the body part 21, so as to prevent the end of the body part 21 from being raised due to the exposure of the probe part 22.

[0042] In the embodiment, the clamping tool 1 further includes an elastic member 14, which is sleeved on the rod part 132 of the anti-raising block 13, and the two ends of the elastic member 14 are in abutment with the head 131 of the anti-raising block 13 and the positioning block 12, respectively.

[0043] Specifically, the elastic member 14 is a spring, and the spring force provides a horizontal force to the anti-raising block 13. Since the inclined surface of the anti-raising block 13 is in contact with the upper surface of the end of the body part 21, the anti-raising block 13 will exert a downward inclined force on the end of the body part 21, so as to prevent the end of the body part 21 from being raised.

[0044] As shown in Figure 1 , 2 As shown in FIG. 6, the positioning block 12 is provided with a mounting hole 121 vertically and penetratingly arranged thereon, and the mounting hole 121 is a counter-sunk bolt hole. Correspondingly, the clamping body 11 is provided with a fixing seat 111, and the fixing seat 111 is provided with mounting grooves 1111 for mounting the positioning block 12 at intervals along the length direction of the body part 21 of the workpiece 2. By screwing mounting bolts 122 into the mounting hole 121 and the mounting grooves 1111 in sequence, the positioning block 12 can be fixedly connected to the clamping body 11. Specifically, the number of the mounting grooves 1111 is multiple, and according to different specifications of the workpiece 2, the positioning block 12 is mounted in the appropriate mounting groove 1111, so as to realize accurate positioning of different specifications of products.

[0045] As shown in FIG. 6, the positioning block 12 is provided with a mounting hole 121 vertically and penetratingly arranged thereon, and the mounting hole 121 is a counter-sunk bolt hole. Correspondingly, the clamping body 11 is provided with a fixing seat 111, and the fixing seat 111 is provided with mounting grooves 1111 for mounting the positioning block 12 at intervals along the length direction of the body part 21 of the workpiece 2. By screwing mounting bolts 122 into the mounting hole 121 and the mounting grooves 1111 in sequence, the positioning block 12 can be fixedly connected to the clamping body 11. Specifically, the number of the mounting grooves 1111 is multiple, and according to different specifications of the workpiece 2, the positioning block 12 is mounted in the appropriate mounting groove 1111, so as to realize accurate positioning of different specifications of products. Figure 3

[0046] In the embodiment, a bolt 15 is further included. The bolt 15 is inserted into the through hole 123 of the positioning block 12 horizontally and transversely relative to the anti-raising block 13, and an external thread is arranged at the screw rod of the bolt 15 and is matched with the threaded hole 1321. The bolt 15 is threadedly connected with the anti-raising block 13, and is used for detachably connecting the anti-raising block 13 with the positioning block 12. At the same time, by adjusting the depth of the screw rod 15 screwed into the threaded hole 1321, the elastic force and the stroke of the elastic member 14 can be controlled, and then the force exerted by the anti-raising block 13 on the end of the body part 21 can be controlled.

[0047] ​In this embodiment, the through hole 123 is a countersunk hole, and is a two-section countersunk hole, allowing the bolt 15 and the rod portion 132 of the anti-warping block 13 to be inserted, and the structure of the through hole 123 is arranged such that the anti-warping block 13 and the bolt 15 can be adjusted and moved within the through hole 123 of the positioning block 12.

[0048] In this embodiment, a plurality of sliding clamping blocks 112 are arranged on the clamping body 11, and in use, the workpiece 2 to be processed is placed between the sliding clamping blocks 112 and the fixing seat 111, and the plurality of sliding clamping blocks 112 can be simultaneously controlled to move by a driving structure, so as to clamp and loosen the workpiece 2 to be processed. The driving structure comprises a pneumatic cylinder and an OK clamp, the pneumatic cylinder can drive the OK clamp to move, and the OK clamp pushes the sliding clamping blocks 112 to move, so as to achieve the effect of clamping or loosening the workpiece 2 to be processed.

[0049] In use, the elastic member 14 is sleeved on the rod portion 132 of the anti-warping block 13, the bolt 15 and the rod portion 132 of the anti-warping block 13 are respectively inserted into the two ends of the through hole 123 of the positioning block 12, then the bolt 15 is inserted into the threaded hole 1321 of the anti-warping block 13 and is screwed, and the positioning block 12 and the anti-warping block 13 are assembled together; according to the length of the main body portion 21 of the workpiece 2 to be processed, the installation groove 1111 at a suitable position is selected, the positioning block 12 is installed on the clamping body 11 by cooperation of the installation bolt 122, the installation hole 121 and the installation groove 1111; the workpiece 2 to be processed is placed between the fixing seat 111 and the sliding clamping blocks 112, and the notch 1311 abuts against the end of the main body portion 21 of the workpiece 2 to be processed. The pneumatic cylinder is started, the plurality of sliding clamping blocks 112 move simultaneously, the workpiece 2 to be processed is clamped, and the workpiece 2 to be processed is fixed; after processing is completed, the pneumatic cylinder is started again, the sliding clamping blocks 112 move reversely, the workpiece 2 to be processed is loosened, and the processed workpiece is taken out. If different models of workpieces 2 to be processed need to be processed, the installation bolt 122 is screwed, the positioning block 12 is installed in the installation groove 1111 at a suitable position together with the anti-warping block 13.

[0050] In summary, the clamping tool can effectively fix the end of the workpiece to be processed by the structural design of the anti-warping block 13, the detachable connection of the positioning block 12 ensures that the clamping tool is suitable for different models of workpieces, and the clamping tool is connected with the pneumatic device, so that different models of products can be processed simultaneously, which is convenient to operate and has high processing efficiency.

[0051] Although the embodiments of the present application have been disclosed as above, they are not limited to the application and implementation listed in the specification and embodiments, and can be fully applied to various fields suitable for the present application, and other modifications can be easily realized by those skilled in the art, and therefore the present application is not limited to specific details and the figures shown and described herein, without departing from the general concept defined by the claims and the equivalent scope.

Claims

1. A clamping fixture, characterized in that, For clamping a workpiece (2) to be processed, including at least a portion protruding outside the clamping fixture (1), the workpiece (2) to be processed includes a clamped main body (21) and a protruding part (22) protruding from the clamping fixture (1), the clamping fixture (1) including: A clamping body (11) is used to clamp the main body (21) of the workpiece (2) to be processed; a plurality of sliding clamping blocks (112) are provided on the clamping body (11), and the plurality of sliding clamping blocks (112) are simultaneously controlled to move by a drive structure to clamp and release. Positioning block (12), which can be detachably connected to the clamping body (11); An anti-tilting block (13) is detachably connected to the positioning block (12). A notch (1311) is provided at the front end of the anti-tilting block (13). The notch (1311) includes an inclined upper surface for abutting against the end of the main body (21) to prevent the end of the main body (21) from tilting up. The anti-tilting block (13) includes a head (131) and a rod (132). The maximum radial dimension of the head (131) is greater than the radial dimension of the rod (132). An elastic element (14) is sleeved on the rod portion (132) of the anti-tilting block (13), and the two ends of the elastic element (14) abut against the positioning block (12) and the head (131) of the anti-tilting block (13), respectively. A through hole (123) is horizontally and laterally disposed on the positioning block (12) for the rod portion (132) of the anti-tilting block (13) to extend into; A threaded hole (1321) is provided axially within the rod portion (132) of the anti-tilting block (13); A bolt (15) is inserted horizontally into the through hole (123) relative to the anti-tilting block (13). The bolt (15) has an external thread that matches the threaded hole (1321) at the shank, which is used to detachably connect the anti-tilting block (13) and the positioning block (12).

2. The clamping fixture according to claim 1, characterized in that, Also includes: Mounting hole (121) is vertically provided on the positioning block (12) for fixing the positioning block (12) on the clamping body (11) by mounting bolt (122).

3. The clamping fixture according to claim 1, characterized in that: The through hole (123) is a countersunk hole.

4. The clamping fixture according to claim 1, characterized in that: The elastic element (14) is a spring.

5. The clamping fixture according to claim 2, characterized in that: The mounting hole (121) is a countersunk bolt hole.

6. The clamping fixture according to claim 1, characterized in that, The clamping body (11) is provided with a fixing seat (111), and the fixing seat (111) is provided with a plurality of mounting slots (1111) for mounting the positioning block (12) at intervals along the length direction of the main body (21) of the workpiece to be processed (2).

Images