Machining positioning clamp with high applicability

By designing a multi-purpose clamping structure and an auxiliary fixing structure, the problem of needing to replace the clamping mechanism in existing positioning fixtures has been solved, enabling rapid clamping of tubular and plate-shaped objects and improving processing efficiency.

CN223493035UActive Publication Date: 2025-10-31WAFANGDIAN FUSITE BEARING SCI & TECH DEV CO LTD
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Patent Information

Application Number
CN202422865894.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-25
Publication Date
2025-10-31
Estimated Expiration
2034-11-25

AI Technical Summary

Technical Problem

Existing positioning fixtures require different clamping mechanisms when clamping tubular or plate-shaped objects, increasing the number of assembly and disassembly steps and reducing processing efficiency.

Method used

A multi-purpose clamping structure is designed, including a first screw and a clamping block. Circular and rectangular clamping slots can be set on the clamping block. Combined with an auxiliary fixing structure, it can quickly clamp tubular and plate-shaped objects through motor drive. The second screw and clamping plate can be used to assist in clamping plate-shaped objects of different thicknesses.

Benefits of technology

It enables rapid clamping of tubular and plate-shaped objects, reduces the frequency of clamping component replacement, improves processing efficiency, and allows for adaptive clamping of plate-shaped objects with varying thicknesses.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a machining positioning fixture with strong applicability, which belongs to the technical field of positioning fixtures and comprises a bottom plate, a multipurpose clamping structure is arranged at the top of the outer surface of the bottom plate, auxiliary fixing structures are arranged on the outer surface and two sides of the multipurpose clamping structure, and the multipurpose clamping structure comprises a first rectangular frame. The bottom of the outer surface of the first rectangular frame is fixedly connected with the top of the outer surface of the bottom plate, and a first motor is fixedly mounted at the top of the outer surface of the first rectangular frame. According to the clamping assembly, the two clamping blocks can move in the opposite directions, then under the auxiliary action of the circular clamping clamping grooves and the rectangular clamping clamping grooves in the clamping blocks, auxiliary clamping can be conducted on tubular objects and plate-shaped objects, the clamping assembly does not need to be frequently disassembled, assembled and replaced, and the overall clamping time is shortened.
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Description

Technical Field

[0001] This utility model belongs to the field of positioning fixture technology, specifically a highly applicable machining positioning fixture. Background Technology

[0002] In the mechanical manufacturing process, fixtures are used to fix the workpiece in the correct position. They are also called clamps. In a broader sense, any device used to quickly, conveniently and safely install a workpiece in any step of the process can be called a fixture. In the machining process, positioning fixtures are widely used.

[0003] The existing positioning fixture mainly includes a base plate and a clamping mechanism. When in use, the workpiece is placed on the base plate. At this time, the clamping mechanism can be driven to move under the action of the drive mechanism, thereby assisting in fixing the workpiece.

[0004] However, in actual use, the clamping device can only clamp objects of a specified shape. When clamping tubular or plate-shaped objects, different clamping mechanisms need to be configured, which increases the disassembly and assembly steps, increases the overall clamping time, and thus reduces processing efficiency. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] In order to overcome the above-mentioned defects of the prior art, this utility model provides a highly applicable machining positioning fixture, which solves the problem that in actual use, the clamping component can only clamp objects of a specified shape, while different clamping mechanisms are required when clamping tubular or plate-shaped objects, which increases the disassembly and assembly steps, increases the overall clamping time, and thus reduces the processing efficiency.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: a highly adaptable machining positioning fixture, comprising a base plate, a multi-purpose clamping structure provided on the top of the outer surface of the base plate, auxiliary fixing structures provided on the outer surface and both sides of the multi-purpose clamping structure, the multi-purpose clamping structure comprising a first rectangular frame, the bottom of the outer surface of the first rectangular frame being fixedly connected to the top of the outer surface of the base plate, a first motor being fixedly mounted on the top of the outer surface of the first rectangular frame, a first screw being fixedly connected to the output end of the first motor, the two ends of the first screw having opposite thread directions, a first screw hole block being threadedly connected to the outer surface of the first screw, and the first screw hole block being slidably connected to the inner wall of the first rectangular frame.

[0009] As a further embodiment of this utility model: a connecting round rod is fixedly connected to one side of the outer surface of the first screw hole block, and a clamping block is fixedly connected to one side of the outer surface of the connecting round rod. The two clamping blocks are provided with mutually compatible circular clamping slots and rectangular clamping slots on opposite sides.

[0010] As a further embodiment of this utility model: the inner wall of the clamping block located above is threaded with a second screw, and the bottom end of the outer surface of the second screw is rotatably connected with a clamping plate, the clamping plate being located inside the rectangular clamping slot.

[0011] As a further embodiment of this utility model: the top of the outer surface of the clamping plate is symmetrically and fixedly connected with limiting rods, and the limiting rods are slidably disposed on the inner wall of the clamping block.

[0012] As a further embodiment of this utility model: the auxiliary fixing structure includes a connecting rod, one end of which is fixedly connected to a first rectangular frame, and the other end of which is fixedly connected to a second rectangular frame. A second motor is fixedly installed on one side of the outer surface of the second rectangular frame, and a third screw is fixedly connected to the output end of the second motor. The two ends of the third screw have opposite thread directions.

[0013] As a further embodiment of this utility model: the outer surface of the third screw is symmetrically threaded with a second screw hole block, a sliding round rod is fixedly connected to one side of the outer surface of the second screw hole block, a rectangular through groove is opened on the inner wall of the second rectangular frame, and the sliding round rod is slidably disposed on the inner wall of the rectangular through groove.

[0014] As a further embodiment of this utility model: a circular clamping cylinder is fixedly connected to one end of the outer surface of the sliding circular rod, a circular clamping block is clamped to the inner wall of the circular clamping cylinder, a limiting plate is fixedly connected to one side of the outer surface of the circular clamping block, and an adaptation clamping groove is provided on one side of the limiting plate.

[0015] (III) Beneficial Effects

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

[0017] 1. This versatile machining positioning fixture, by setting up a multi-purpose clamping structure and modifying the function of the first screw and the first screw hole block, allows the two clamping blocks to move towards each other. With the assistance of the circular and rectangular clamping slots on the clamping blocks, it can assist in clamping tubular and plate-shaped objects, thereby eliminating the need for frequent disassembly and replacement of clamping components, shortening the overall clamping time, and thus improving processing efficiency.

[0018] 2. This versatile machining positioning fixture, by setting a second screw and a clamping plate, can assist in clamping plate-shaped objects. Under the action of the second screw, the clamping plate can be driven to move, thereby assisting in clamping plate-shaped objects of different thicknesses.

[0019] 3. This versatile machining positioning fixture, through the setting of an auxiliary fixing structure, can drive the sliding round rod and other components to move under the action of the second screw and the second screw hole block, and in turn drive the limiting plate and other components to move, thereby limiting and fixing the two ends of the object, facilitating cutting and other operations. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0021] Figure 2 This is a three-dimensional structural diagram of the base plate of this utility model;

[0022] Figure 3 This is a three-dimensional structural diagram of the clamping block of this utility model;

[0023] Figure 4 This is a three-dimensional structural diagram of the second rectangular frame of this utility model;

[0024] In the diagram: 1. Base plate; 2. Multi-purpose clamping structure; 21. First rectangular frame; 22. First motor; 23. First screw; 24. First screw hole block; 25. Connecting round rod; 26. Clamping block; 27. Circular clamping slot; 28. Rectangular clamping slot; 29. ​​Second screw; 210. Clamping plate; 211. Limiting rod; 3. Auxiliary fixing structure; 31. Connecting rod; 32. Second rectangular frame; 33. Second motor; 34. Third screw; 35. Second screw hole block; 36. Sliding round rod; 37. Rectangular through slot; 38. Circular clamping cylinder; 39. Circular clamping block; 310. Limiting plate. Detailed Implementation

[0025] The technical solution of this patent will be further described in detail below with reference to specific embodiments.

[0026] like Figure 1-4As shown, this utility model provides a technical solution: a highly applicable machining positioning fixture, including a base plate 1, a multi-purpose clamping structure 2 is provided on the top of the outer surface of the base plate 1, and auxiliary fixing structures 3 are provided on the outer surface and both sides of the multi-purpose clamping structure 2. The multi-purpose clamping structure 2 includes a first rectangular frame 21, the bottom of the outer surface of the first rectangular frame 21 is fixedly connected to the top of the outer surface of the base plate 1, a first motor 22 is fixedly installed on the top of the outer surface of the first rectangular frame 21, a first screw 23 is fixedly connected to the output end of the first motor 22, the two ends of the first screw 23 have opposite threads, and a first screw hole block 24 is threadedly connected to the outer surface of the first screw 23. By setting the first screw 23 and the first screw hole block 24, the first screw 23 can drive the first screw hole block 24 to move, thereby cooperating with other components to play a role. The first screw hole block 24 is slidably connected to the inner wall of the first rectangular frame 21.

[0027] Specifically, such as Figures 2-3 As shown, a connecting rod 25 is fixedly connected to one side of the outer surface of the first screw hole block 24, and a clamping block 26 is fixedly connected to one side of the outer surface of the connecting rod 25. Two clamping blocks 26 have mutually matching circular clamping slots 27 and rectangular clamping slots 28 on opposite sides. By providing the circular clamping slots 27 and rectangular clamping slots 28, tubular and plate-shaped objects can be clamped. A second screw 29 is threadedly connected to the inner wall of the upper clamping block 26. The outer surface of the second screw 29... A clamping plate 210 is rotatably connected to the bottom end. By setting a second screw 29 and a clamping plate 210, the second screw 29 can drive the clamping plate 210 to move, thereby cooperating with the rectangular clamping slot 28 to play a role. The clamping plate 210 is located inside the rectangular clamping slot 28. A limit rod 211 is symmetrically fixedly connected to the top of the outer surface of the clamping plate 210. The limit rod 211 is slidably set on the inner wall of the clamping block 26. By setting the limit rod 211, the clamping plate 210 can be auxiliaryly limited.

[0028] Specifically, such as Figure 4As shown, the auxiliary fixing structure 3 includes a connecting rod 31. One end of the connecting rod 31 is fixedly connected to the first rectangular frame 21, and the other end of the connecting rod 31 is fixedly connected to a second rectangular frame 32. A second motor 33 is fixedly installed on one side of the outer surface of the second rectangular frame 32. A third screw 34 is fixedly connected to the output end of the second motor 33. The two ends of the third screw 34 have opposite thread directions. A second screw hole block 35 is symmetrically threaded on the outer surface of the third screw 34. By setting the third screw 34 and the second screw hole block 35, the third screw 34 can drive the second screw hole block 35 to move, thereby cooperating with other components to perform their functions. A sliding round rod 36 is fixedly connected to one side of the outer surface of the second screw hole block 35. A rectangular through groove 37 is provided on the inner wall of the second rectangular frame 32. The sliding round rod 36 is slidably disposed on the inner wall of the rectangular through groove 37. By setting the sliding round rod 36, it can work in conjunction with other components. A round clamping cylinder 38 is fixedly connected to one end of the outer surface of the sliding round rod 36. A round clamping block 39 is clamped on the inner wall of the round clamping cylinder 38. A limiting plate 310 is fixedly connected to one side of the outer surface of the round clamping block 39. By setting the round clamping cylinder 38 and the round clamping block 39, the limiting plate 310 can be disassembled and assembled. An adaptation clamping groove is provided on one side of the limiting plate 310.

[0029] The working principle of this utility model is as follows:

[0030] S1. Start the first motor 22 so that the first motor 22 can drive the first screw 23 to rotate, which in turn can drive the first screw hole block 24 to move, so that the connecting round rod 25 can drive the clamping block 26 to move, so that the circular clamping slot 27 clamps the tubular object and the rectangular clamping slot 28 clamps the plate-shaped object.

[0031] S2. At this time, rotate the second screw 29 so that the second screw 29 can drive the clamping plate 210 to move, thereby enabling the clamping plate 210 to be auxiliaryly fixed to the inner wall of the rectangular clamping slot 28.

[0032] S3. At this time, the second motor 33 is started, which can drive the third screw 34 to rotate, thereby driving the second screw hole block 35 to move, which in turn drives the sliding round rod 36 to move, which in turn drives the round clamp 38 to move, inserting the round clamp block 39 into the inner wall of the round clamp 38, thereby driving the limit plate 310 to move.

[0033] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0034] The preferred embodiments of this patent have been described in detail above. However, this patent is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of this patent.

Claims

1. A versatile machining positioning fixture, comprising a base plate (1), characterized in that: A multi-purpose clamping structure (2) is provided on the top of the outer surface of the base plate (1). An auxiliary fixing structure (3) is provided on the outer surface and both sides of the multi-purpose clamping structure (2). The multi-purpose clamping structure (2) includes a first rectangular frame (21). The bottom of the outer surface of the first rectangular frame (21) is fixedly connected to the top of the outer surface of the base plate (1). A first motor (22) is fixedly installed on the top of the outer surface of the first rectangular frame (21). A first screw (23) is fixedly connected to the output end of the first motor (22). The two ends of the first screw (23) have opposite thread directions. A first screw hole block (24) is threadedly connected to the outer surface of the first screw hole block (24), which is slidably connected to the inner wall of the first rectangular frame (21). A connecting round rod (25) is fixedly connected to one side of the outer surface of the first screw hole block (24), and a clamping block (26) is fixedly connected to one side of the outer surface of the connecting round rod (25). The two clamping blocks (26) have mutually matching circular clamping slots (27) and rectangular clamping slots (28) on opposite sides. A second screw (29) is threadedly connected to the inner wall of the upper clamping block (26), and the bottom end of the outer surface of the second screw (29) is rotatably connected to... A clamping plate (210) is provided, which is located inside a rectangular clamping slot (28). The auxiliary fixing structure (3) includes a connecting rod (31), one end of which is fixedly connected to a first rectangular frame (21), and the other end of which is fixedly connected to a second rectangular frame (32). A second motor (33) is fixedly installed on one side of the outer surface of the second rectangular frame (32). A third screw (34) is fixedly connected to the output end of the second motor (33). The two ends of the third screw (34) have opposite thread directions. The outer surface of the third screw (34) is... A second threaded hole block (35) is symmetrically threaded. A sliding round rod (36) is fixedly connected to one side of the outer surface of the second threaded hole block (35). A rectangular through groove (37) is opened on the inner wall of the second rectangular frame (32). The sliding round rod (36) is slidably disposed on the inner wall of the rectangular through groove (37). A round clamping cylinder (38) is fixedly connected to one end of the outer surface of the sliding round rod (36). A round clamping block (39) is clamped on the inner wall of the round clamping cylinder (38). A limiting plate (310) is fixedly connected to one side of the outer surface of the round clamping block (39). An adaptation clamping groove is opened on one side of the limiting plate (310).

2. The machining positioning fixture with strong applicability according to claim 1, characterized in that: Limiting rods (211) are symmetrically fixedly connected to the top of the outer surface of the clamping plate (210), and the limiting rods (211) are slidably disposed on the inner wall of the clamping block (26).