Mechanical clamping tool for bench worker machining

By designing a mechanical clamping fixture with a movable clamping plate and an accordion cover, the problem of misalignment in clamping special-shaped workpieces is solved, and stable clamping and extended service life are achieved.

CN223338902UActive Publication Date: 2025-09-16JIANGSU AUTOMATION RESEARCH INSTITUTE
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Patent Information

Application Number
CN202422566046.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-23
Publication Date
2025-09-16
Estimated Expiration
2034-10-23

AI Technical Summary

Technical Problem

The clamping surface of the existing clamping tool is a plane, which results in a poor fit when clamping irregular shaped workpieces, affecting the clamping stability.

Method used

A mechanical clamping fixture including a base plate, a clamping assembly, a sliding block, a motor, a bidirectional screw and an accordion cover was designed. The sliding block and the clamping plate were driven by a motor to move, which could adapt to the surface of special-shaped workpieces. The limit rods and bolts were combined to achieve multi-point clamping, and the accordion cover was used to protect against debris.

Benefits of technology

It achieves stable clamping of special-shaped workpieces and improves the practicality and service life of the clamping tooling.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a mechanical clamping tool for bench worker machining, and relates to the technical field of clamping tools. A first bottom groove is formed in the top of the bottom plate, a second bottom groove is formed in the side, away from the first bottom groove, of the top of the bottom plate, and sliding blocks are symmetrically and slidably connected to the inner surfaces of the first bottom groove and the second bottom groove. And the number of the clamping assemblies is two. According to the clamping tool, when a bench worker machines and uses the clamping tool, the multiple second clamping plates can move independently, the multiple second clamping plates can be attached to the surface of a workpiece in a matched mode to complete clamping and fixing, and when the clamping tool is normally used, the workpiece can be clamped through operation of the motor; and after clamping is in place, the positions of the multiple second clamping plates can be independently adjusted on the basis of overall clamping, the clamping tool can rapidly adapt to different workpieces to complete clamping, and the practicability of the clamping tool is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of clamping tooling, in particular to a mechanical clamping tooling for benchwork processing. Background Art

[0002] Clamping fixtures are tools and equipment used to fix and clamp workpieces during benchwork processing. They are usually made of metal materials and are sturdy, durable, precise and reliable.

[0003] In the prior art, when a clamping tool is used, the clamping surface of the clamping tool is usually a larger plane in order to have a larger clamping area with the workpiece. However, when clamping a special-shaped workpiece with an irregular surface, there will be a problem of misfit between the clamping tool and the workpiece, which affects the stability of the clamping. Utility Model Content

[0004] The purpose of the present utility model is to solve the problem in the prior art that when a clamping tool is used, the clamping surface of the clamping tool is usually a larger plane in order to have a larger clamping area with the workpiece. However, when clamping a special-shaped workpiece with an irregular surface, there will be a problem of misfit between the clamping tool and the workpiece, which affects the stability of the clamping. A mechanical clamping tool for benchwork processing is proposed.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mechanical clamping tool for benchwork processing, comprising a base plate and a clamping assembly; a first bottom groove is provided on the top of the base plate, and a second bottom groove is provided on the side of the top of the base plate away from the first bottom groove, and the inner surfaces of the first bottom groove and the second bottom groove are symmetrically slidably connected with sliding blocks; the number of clamping assemblies is set to two, and the two clamping assemblies are respectively fixedly connected to the two groups of sliding blocks; the clamping assembly includes a movable plate, and the outer surfaces of the adjacent sides of the two movable plates are fixedly connected to the first clamping plate; the outer surface of the other side of the movable plate is equidistantly fixedly connected to a plurality of side frames, the outer surface of the side frame is threaded with bolts, and the end face of the bolt is rotatably connected to the second clamping plate.

[0006] Furthermore, a motor is fixedly connected to the outer surface of the bottom plate, an output end of the motor slides through the bottom plate, and a bidirectional screw rod is fixedly connected to the output end of the motor.

[0007] Furthermore, the end face of the bidirectional screw is rotatably connected to the inner surface of the second bottom groove, wherein the two sliding blocks are threadedly connected to the bidirectional screw.

[0008] Furthermore, a positioning rod is fixedly connected to the inner surface of the first bottom groove, and the other two sliding blocks are slidably connected to the positioning rod.

[0009] Furthermore, an accordion cover is fixedly connected between the two sliding blocks, and the outer surface of the accordion cover is in contact with the inner surfaces of the first bottom groove and the second bottom groove.

[0010] Furthermore, a plurality of limiting rods are fixedly connected to the outer surface of the second clamping plate, and the limiting rods slide through the side frames.

[0011] Furthermore, avoidance grooves are equidistantly provided on the outer surface of the first clamping plate, and the avoidance grooves match the positions of the side frames; and notches are equidistantly provided on the outer surface of the movable plate, and the notches match the positions of the side frames.

[0012] Compared with the prior art, the beneficial effects of the present invention are: 1) In the present invention, when the clamping tool is used in benchwork, the multiple second clamping plates can be moved individually, and the multiple second clamping plates can be adapted to fit the surface of the workpiece to complete clamping and fixing. When the clamping tool is used normally, the workpiece can be clamped by the operation of the motor. After clamping in place, the positions of the multiple second clamping plates can be adjusted individually on the basis of the overall clamping. The clamping tool can quickly adapt to different workpieces to complete clamping, thereby improving the practicality of the clamping tool; 2) In the present invention, the setting of the accordion cover can play a protective role above the first bottom groove and the second bottom groove, thereby preventing debris from falling and affecting the driving structure of the motor when processing the workpiece, thereby improving the service life of the clamping tool.

[0013] In order to more clearly illustrate the functional characteristics and structural parameters of the present invention, further description will be given below in conjunction with the accompanying drawings and specific implementation methods. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0015] Figure 1 The utility model provides a three-dimensional diagram of a mechanical clamping tool for bench processing;

[0016] Figure 2 The present invention provides a schematic diagram of the bottom plate structure of a mechanical clamping tool for benchwork processing;

[0017] Figure 3 The utility model provides a schematic diagram of the structure of a clamping assembly of a mechanical clamping tool for benchwork;

[0018] Figure 4 The utility model provides a schematic structural diagram of a clamping assembly of a mechanical clamping tool for benchwork.

[0019] Legend: 1. Bottom plate; 2. Clamping assembly; 201. Moving plate; 202. First clamping plate; 203. Avoidance groove; 204. Notch; 205. Side frame; 206. Bolt; 207. Second clamping plate; 208. Limit rod; 3. First bottom groove; 4. Second bottom groove; 5. Motor; 6. Bidirectional screw; 7. Positioning rod; 8. Sliding block; 9. Accordion cover. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0021] A mechanical clamping tool for benchwork includes a base plate 1 and a clamping assembly 2. The base plate 1 has a first bottom groove 3 defined at the top, and a second bottom groove 4 defined at the side of the base plate 1 away from the first bottom groove 3. Sliding blocks 8 are symmetrically and slidably connected to the inner surfaces of the first and second bottom grooves 3 and 4. Two clamping assemblies 2 are provided, each fixedly connected to two sets of sliding blocks 8. The clamping assembly 2 includes a movable plate 201, with a first clamping plate 202 fixedly connected to the outer surface of each adjacent side of the movable plate 201. A plurality of side frames 205 are equidistantly and equidistantly fixedly connected to the outer surface of the other side of the movable plate 201. Bolts 206 are threadedly connected to the outer surface of the side frames 205, and the end faces of the bolts 206 are rotatably connected to the second clamping plate 207. A motor 5 is fixedly connected to the outer surface of the base plate 1. The output end of the motor 5 slides through the base plate 1 and is fixedly connected to the output end of the motor 5. The end face of the bidirectional screw 6 is rotatably connected to the inner surface of the second bottom groove 4. Two sliding blocks 8 are threadedly connected to the bidirectional screw 6. A positioning rod 7 is fixedly connected to the inner surface of the first bottom groove 3, and two other sliding blocks 8 are slidably connected to the positioning rod 7. An accordion cover 9 is fixedly connected between the two sliding blocks 8, and the outer surface of the accordion cover 9 is in contact with the inner surfaces of the first bottom groove 3 and the second bottom groove 4. A plurality of limiting rods 208 are fixedly connected to the outer surface of the second clamping plate 207, and the limiting rods 208 slide through the side frame 205. The outer surface of the first clamping plate 202 is provided with equidistant avoidance grooves 203, which match the position of the side frame 205; the outer surface of the movable plate 201 is provided with equidistant notches 204, which match the position of the side frame 205.

[0022] Example 1

[0023] like Figures 1-4As shown, the utility model provides a mechanical clamping tool for benchwork processing, comprising: a base plate 1, a first bottom groove 3 is provided on the top of the base plate 1, a second bottom groove 4 is provided on the side of the top of the base plate 1 away from the first bottom groove 3, and the inner surfaces of the first bottom groove 3 and the second bottom groove 4 are symmetrically slidably connected with sliding blocks 8; a clamping assembly 2, the number of the clamping assemblies 2 is set to two, and the two clamping assemblies 2 are respectively fixedly connected to the two groups of sliding blocks 8, the clamping assembly 2 includes a movable plate 201, the outer surfaces of the adjacent sides of the two movable plates 201 are fixedly connected to the first clamping plate 202, and the outer surfaces of the other sides of the movable plates 201 are equidistantly fixedly connected to a plurality of side frames 205, the outer surfaces of the side frames 205 are threadedly connected with bolts 206, and the end faces of the bolts 206 are rotatably connected to the second clamping plates 207 The outer surface of the base plate 1 is fixedly connected to the motor 5, and the output end of the motor 5 slides through the base plate 1. The output end of the motor 5 is fixedly connected to the bidirectional screw 6, and the end face of the bidirectional screw 6 is rotatably connected to the inner surface of the second bottom groove 4. Two sliding blocks 8 are threadedly connected to the bidirectional screw 6. The inner surface of the first bottom groove 3 is fixedly connected to the positioning rod 7, and the other two sliding blocks 8 are slidably connected to the positioning rod 7. The outer surface of the second clamping plate 207 is fixedly connected to a plurality of limit rods 208, and the limit rods 208 slide through the side frame 205. The outer surface of the first clamping plate 202 is equidistantly provided with avoidance grooves 203, which match the position of the side frame 205. The outer surface of the movable plate 201 is equidistantly provided with notches 204, which match the position of the side frame 205.

[0024] The effect achieved by the entire embodiment 1 is that when the clamping tool is used in benchwork, the first clamping plate 202 and the second clamping plate 207 are in a spliced ​​state, and their surfaces are flush, so that the workpiece with a regular shape can be clamped and fixed. The workpiece is placed on the bottom plate 1 for clamping processing, and the starting motor 5 can drive the sliding blocks 8 on both sides to move relatively synchronously through the connection of the two-way screw rod 6. The positioning rod 7 is set to provide support for the movement of the sliding block 8. The relative movement of the two groups of sliding blocks 8 on both sides can drive the two first clamping plates 202 to move toward the workpiece, and the first clamping plate 202 applies pressure to the surface of the workpiece to achieve clamping and fixing. When clamping and fixing a special-shaped workpiece, tightening the bolt 206 can drive the second clamping plate 207 to move. The setting of the limit rod 208 supports and limits the movement of the second clamping plate 207. The setting of multiple second clamping plates 207 can move individually, and multiple second clamping plates 207 can adapt to the surface of the workpiece to complete clamping and fixing. When the clamping tool is used normally, the workpiece can be clamped by running the motor 5. After clamping in place, the positions of the multiple second clamping plates 207 can be adjusted individually on the basis of the overall clamping. The clamping tool can quickly adapt to different workpieces to complete clamping, thereby improving the practicality of the clamping tool.

[0025] Example 2

[0026] like Figures 1-4 As shown, an accordion cover 9 is fixedly connected between the two sliding blocks 8 , and the outer surface of the accordion cover 9 fits with the inner surfaces of the first bottom groove 3 and the second bottom groove 4 .

[0027] The effect achieved by the entire embodiment 2 is that the setting of the accordion cover 9 can play a protective role above the first bottom groove 3 and the second bottom groove 4, preventing debris from falling and affecting the driving structure of the motor 5 when processing the workpiece, thereby improving the service life of the clamping tooling.

[0028] Working principle: When the clamping tool is used in bench processing, the first clamping plate 202 and the second clamping plate 207 are in a spliced ​​state, and their surfaces are flush, so that regular-shaped workpieces can be clamped and fixed. The workpiece is placed on the bottom plate 1 for clamping processing. The starting motor 5 can drive the sliding blocks 8 on both sides to move relatively synchronously through the connection of the bidirectional screw rod 6. The positioning rod 7 is set to provide support for the movement of the sliding block 8. The relative movement of the two groups of sliding blocks 8 on both sides can drive the two first clamping plates 202 to move toward the workpiece. The first clamping plate 202 applies pressure to the surface of the workpiece to achieve clamping and fixing. When it is necessary to clamp and fix the special-shaped workpiece, tightening the bolt 206 can drive the second clamping plate 207 to move. The setting of the positioning rod 208 plays a supporting and limiting role in the movement of the second clamping plate 207. Through the setting that multiple second clamping plates 207 can be moved individually, multiple second clamping plates 207 can be adapted to fit the surface of the workpiece to complete clamping and fixing. When the clamping tool is in normal use, the workpiece can be clamped by the operation of the motor 5. After clamping in place, the positions of the multiple second clamping plates 207 can be adjusted individually on the basis of the overall clamping. The clamping tool can quickly adapt to different workpieces to complete clamping, thereby improving the practicality of the clamping tool. The setting of the accordion cover 9 can play a protective role above the first bottom groove 3 and the second bottom groove 4, thereby preventing debris from falling and affecting the driving structure of the motor 5 when processing the workpiece, thereby improving the service life of the clamping tool.

[0029] The wiring diagram of the motor 5 in the present invention is common knowledge in the art, and its working principle is a well-known technology. The model is selected according to the actual use, so the control method and wiring arrangement of the motor 5 are not explained in detail.

[0030] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0031] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mechanical clamping tool for benchwork, characterized in that: The invention comprises a base plate (1) and a clamping assembly (2); a first bottom groove (3) is provided on the top of the base plate (1); a second bottom groove (4) is provided on the side of the top of the base plate (1) away from the first bottom groove (3); the inner surfaces of the first bottom groove (3) and the second bottom groove (4) are symmetrically slidably connected with sliding blocks (8); the number of the clamping assemblies (2) is set to two, and the two clamping assemblies (2) are respectively fixedly connected to the two groups of sliding blocks (8); the clamping assembly (2) comprises a movable plate (201), and the outer surfaces of the adjacent sides of the two movable plates (201) are fixedly connected with the first clamping plate (202); the outer surface of the other side of the movable plate (201) is equidistantly fixedly connected with a plurality of side frames (205); the outer surface of the side frame (205) is threadedly connected with a bolt (206), and the end face of the bolt (206) is rotatably connected with the second clamping plate (207).

2. The mechanical clamping tool for benchwork according to claim 1, characterized in that: The outer surface of the base plate (1) is fixedly connected to a motor (5), the output end of the motor (5) slides through the base plate (1), and the output end of the motor (5) is fixedly connected to a bidirectional screw rod (6).

3. The mechanical clamping tool for benchwork according to claim 2, characterized in that: The end face of the bidirectional screw rod (6) is rotatably connected to the inner surface of the second bottom groove (4), wherein the two sliding blocks (8) are threadedly connected to the bidirectional screw rod (6).

4. The mechanical clamping tool for benchwork according to claim 1, characterized in that: A positioning rod (7) is fixedly connected to the inner surface of the first bottom groove (3), and the other two sliding blocks (8) are slidably connected to the positioning rod (7).

5. The mechanical clamping tool for benchwork according to claim 1, characterized in that: An accordion cover (9) is fixedly connected between the two sliding blocks (8), and the outer surface of the accordion cover (9) is in contact with the inner surfaces of the first bottom groove (3) and the second bottom groove (4).

6. The mechanical clamping tool for benchwork according to claim 1, characterized in that: A plurality of limiting rods (208) are fixedly connected to the outer surface of the second clamping plate (207), and the limiting rods (208) slide through the side frame (205).

7. The mechanical clamping tool for benchwork according to claim 1, characterized in that: The outer surface of the first clamping plate (202) is provided with avoidance grooves (203) at equal intervals, and the avoidance grooves (203) are matched with the positions of the side frames (205); the outer surface of the movable plate (201) is provided with notches (204) at equal intervals, and the notches (204) are matched with the positions of the side frames (205).