Special-shaped part clamping and positioning device

By designing a clamping chuck and positioning mechanism, the problem of unstable clamping of irregularly shaped parts was solved, achieving stable fixation and high-precision machining of irregularly shaped parts, and improving the quality of finished products.

CN223718879UActive Publication Date: 2025-12-26TIANJIN RUIJING PRECISION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520050652.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2025-12-26
Estimated Expiration
2035-01-09

AI Technical Summary

Technical Problem

Existing positioning fixtures have poor shape adaptability and matching when machining irregularly shaped parts, resulting in unstable clamping and eccentricity, which affects machining accuracy and finished product quality.

Method used

A clamping mechanism and a positioning mechanism are designed. The clamping mechanism includes a clamping chuck and a detachable clamping assembly. The irregularly shaped parts are fitted and fixed by a connector and a pressure plate. The positioning mechanism is used to engage the clamping chuck, adapt to the shape of the irregularly shaped parts, and provide stable fixation.

Benefits of technology

It enables rapid and flexible clamping of irregularly shaped parts, improves clamping and positioning accuracy and ease of operation, and enhances the quality of finished products.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of special-shaped part machining and production, and particularly discloses a special-shaped part clamping and positioning device which comprises a clamping mechanism and a positioning mechanism, the clamping mechanism comprises a clamping chuck and a plurality of clamping assemblies, the clamping assemblies are arranged on the clamping chuck in the circumferential direction, and the positioning mechanism is arranged on the clamping chuck. The multiple clamping assemblies are detachably connected to the clamping chuck, the multiple clamping assemblies can be connected to the special-shaped part body in a pressed mode so that the special-shaped part body can be attached to the outer surface of the clamping chuck, and the positioning mechanism is used for clamping and fixing the clamping chuck. Through the arrangement, the clamping and fixing positions of the multiple clamping assemblies on the clamping chuck can be adaptively disassembled, assembled and adjusted according to the shape of the special-shaped part body, so that rapid clamping of the special-shaped part body is achieved, operation is flexible and convenient, universality is high, it is guaranteed that fixing is firm and reliable, the clamping and positioning precision of the special-shaped part body is effectively improved, and the working efficiency is improved. And the quality of subsequent production finished products is further improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to special-shaped part machining production technical field especially relates to a special-shaped part clamping positioning device. BACKGROUND

[0002] In the existing production process, in order to ensure the stability and reliability of product in the machining process, need to adopt positioning fixture to carry out clamping fixed, and when machining special-shaped product, due to the particularity of its shape, there is certain limitation when clamping for traditional chuck and tooling fixture, and the shape adaptability and matching are poor, and special-shaped product can not realize good adhesion with the claw of chuck, and it is difficult to complete stable clamping, and it is easy to appear clamping not firm, eccentric and so on, which will lead to the reduction of subsequent machining precision to some extent, and further influence product quality.

[0003] Therefore, a special-shaped part clamping positioning device is needed to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model discloses a special-shaped part clamping positioning device, to solve the problem that the positioning fixture of shape irregularity is difficult to clamp and fix.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] The utility model provides a special-shaped part clamping positioning device, it includes:

[0007] Clamping mechanism, the clamping mechanism includes clamping chuck and a plurality of clamping components, a plurality of clamping components are arranged on the clamping chuck along the circumferential direction, and a plurality of clamping components can be detachably connected to the clamping chuck, and a plurality of clamping components can be pressed to the special-shaped part body, so that the special-shaped part body is attached to the outer surface of the clamping chuck;

[0008] Positioning mechanism, the positioning mechanism is used for clamping and fixing the clamping chuck.

[0009] As a preferred technical scheme of the above special-shaped part clamping positioning device, the clamping component includes a connecting piece and a pressing plate, a plurality of mounting holes are formed in the clamping chuck, a plurality of mounting holes are arranged in annular array, the connecting piece is provided through the pressing plate and selectively connected to the hole wall of the mounting hole, so that the pressing plate is pressed to the outer surface of the clamping chuck.

[0010] As a preferred technical scheme of the above special-shaped part clamping positioning device, the adjusting slot hole is formed in the pressing plate, the adjusting slot hole extends along the length direction of the pressing plate, and the length of the adjusting slot hole is less than the length of the pressing plate, and the connecting piece is provided through the adjusting slot hole.

[0011] As a preferred technical scheme of the above-mentioned special-shaped part clamping and positioning device, the special-shaped part clamping and positioning device further comprises a plurality of fixing members, the plurality of fixing members are arranged in one-to-one correspondence with the plurality of pressing plates, and the fixing members are arranged through the pressing plates away from one end of the special-shaped part body and are selectively connected to the hole wall of the mounting hole.

[0012] As a preferred technical scheme of the above-mentioned special-shaped part clamping and positioning device, the special-shaped part clamping and positioning device further comprises a plurality of supporting members, the supporting members have supporting ends and connecting ends along the length direction of the supporting members, the supporting ends abut and support the special-shaped part body, and the connecting ends are selectively connected in the mounting hole.

[0013] As a preferred technical scheme of the above-mentioned special-shaped part clamping and positioning device, the connecting member is a bolt.

[0014] As a preferred technical scheme of the above-mentioned special-shaped part clamping and positioning device, the clamping chuck is provided with a positioning hole, and the center of the positioning hole coincides with the center of the clamping chuck.

[0015] As a preferred technical scheme of the above-mentioned special-shaped part clamping and positioning device, the positioning mechanism comprises a positioning plate and a plurality of clamping members, the plurality of clamping members are arranged on the positioning plate in the circumferential direction, and the plurality of clamping members are clamped to the outer periphery of the clamping chuck.

[0016] As a preferred technical scheme of the above-mentioned special-shaped part clamping and positioning device, the clamping member is recessed with a positioning clamping groove, and the positioning clamping groove is attached to the outer periphery of the clamping chuck.

[0017] As a preferred technical scheme of the above-mentioned special-shaped part clamping and positioning device, the number of the clamping assemblies is four.

[0018] The special-shaped part clamping and positioning device has the following beneficial effects:

[0019] The special-shaped part clamping and positioning device comprises a clamping mechanism and a positioning mechanism. The clamping mechanism comprises a clamping chuck and a plurality of clamping assemblies. The plurality of clamping assemblies are arranged on the clamping chuck in the circumferential direction and are detachably connected to the clamping chuck. The plurality of clamping assemblies can be pressed to the special-shaped part body, so that the special-shaped part body is attached to the outer surface of the clamping chuck. The positioning mechanism is used for clamping and fixing the clamping chuck. In this way, the clamping and fixing positions of the plurality of clamping assemblies on the clamping chuck can be adaptively disassembled and adjusted according to the shape of the special-shaped part body, so as to realize rapid clamping of the special-shaped part body. The operation is flexible and convenient, the universality is high, the fixing is firm and reliable, the clamping and positioning precision of the special-shaped part body is effectively improved, and the quality of subsequent production products is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 A structure schematic view of the special-shaped part clamping and positioning device is provided.

[0021] Among them:

[0022] 1, clamping chuck; 101, mounting hole; 102, positioning hole;

[0023] 2, special-shaped part body;

[0024] 3, clamping assembly; 31, connecting piece; 32, pressing plate; 321, adjusting slot hole;

[0025] 4, fixing piece; 5, supporting piece; 6, positioning plate; 7, clamping piece. DETAILED DESCRIPTION

[0026] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0027] In the description of the present application, it should be explained that the orientations or position relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like are based on the orientations or position relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as a limitation of the present application. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions.

[0028] Unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0029] Unless otherwise expressly specified and limited, "above" or "below" a second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of a second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" of a second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0030] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.

[0031] like Figure 1 As shown, this embodiment provides a clamping and positioning device for irregularly shaped parts. The device includes a clamping mechanism and a positioning mechanism. The clamping mechanism includes a clamping chuck 1 and several clamping components 3. The clamping components 3 are arranged circumferentially on the clamping chuck 1, and each component is detachably connected to the chuck 1. Each component can press against the irregularly shaped part body 2, so that the body 2 fits against the outer surface of the chuck 1. The positioning mechanism is used to engage and fix the clamping chuck 1. This configuration allows for adaptive disassembly, assembly, and adjustment of the clamping positions of the clamping components 3 on the chuck 1 according to the shape of the body 2, enabling rapid clamping of the body 2. The device is flexible, convenient, and versatile, ensuring a secure and reliable fixation, effectively improving the clamping and positioning accuracy of the body 2, and further enhancing the quality of the finished product.

[0032] Specifically, this embodiment provides the following exemplary solution: the clamping assembly 3 includes a connector 31 and a pressure plate 32. The clamping chuck 1 has a plurality of mounting holes 101 arranged in a circular array. There are m rows along the circumference of the clamping chuck 1 and n columns along the radial direction of the clamping chuck 1, where m and n are both integers greater than 1. The connector 31 passes through the pressure plate 32 and selectively connects to the wall of the mounting hole 101, so that the pressure plate 32 presses the irregularly shaped part body 2 onto the outer surface of the clamping chuck 1. Specifically, the connector 31 is a bolt. With this configuration, by selectively connecting and cooperating with the wall of the mounting hole 101, the position of the pressure plate 32 can be quickly adjusted along the circumference and radial direction of the clamping chuck 1, thereby achieving stable and rapid clamping of irregularly shaped parts body 2.

[0033] It should be noted that the number of rows and columns corresponding to the circular array arrangement of several mounting holes 101 can be set according to actual needs, and no further restrictions are imposed here.

[0034] Optionally, the adjusting slot hole 321 is provided on the pressing plate 32, and the adjusting slot hole 321 extends along the length direction of the pressing plate 32, and the length of the adjusting slot hole 321 is less than the length of the pressing plate 32, and the connecting piece 31 is arranged in the adjusting slot hole 321. In this way, the connecting position of the connecting piece 31 and the corresponding mounting hole 101 can be quickly adjusted along the length direction of the adjusting slot hole 321, so as to quickly clamp the special-shaped part body 2, facilitate subsequent machining operation, and improve the production efficiency. In this way, the position of the connecting piece 31 can be adjusted along the adjusting slot hole 321 while the pressing position of the pressing plate 32 is unchanged, so as to quickly install and position the pressing plate 32, and effectively improve the operation convenience and flexibility of the machining personnel.

[0035] Optionally, in order to improve the stability and reliability of the installation of the pressing plate 32, and further provide the firmness of the pressing of the special-shaped part body 2, the special-shaped part clamping and positioning device further comprises a plurality of fixing pieces 4, the plurality of fixing pieces 4 are arranged one by one corresponding to the plurality of pressing plates 32, and the fixing piece 4 is arranged through the end of the pressing plate 32 away from the special-shaped part body 2, and is selectively connected to the hole wall of the mounting hole 101.

[0036] Optionally, in order to further improve the machining stability of the special-shaped part body 2, and avoid the phenomenon of tool vibration during machining and production, the special-shaped part clamping and positioning device further comprises a plurality of supporting pieces 5, the supporting piece 5 has a supporting end and a connecting end along the length direction of the supporting piece 5, the supporting end abuts and supports the special-shaped part body 2, and the connecting end is selectively connected in the mounting hole 101. Specifically, the supporting piece 5 is a bolt.

[0037] Optionally, the clamping chuck 1 is provided with a positioning hole 102, and the center of the positioning hole 102 coincides with the center of the clamping chuck 1. In this way, a reference center point is provided for the special-shaped part body 2 during clamping and fixing, so as to avoid the eccentric clamping of the special-shaped part body 2.

[0038] Optionally, in order to improve the stability and reliability of the installation of the clamping chuck 1, the positioning mechanism comprises a positioning plate 6 and a plurality of clamping pieces 7, the plurality of clamping pieces 7 are arranged on the positioning plate 6 along the circumferential direction, and the plurality of clamping pieces 7 are clamped to the outer circumferential surface of the clamping chuck 1. Further, the clamping piece 7 is recessed with a positioning clamping groove, and the positioning clamping groove is fitted with the outer circumferential surface of the clamping chuck 1.

[0039] In the embodiment, the number of the supporting pieces 5 and the clamping assemblies 3 is four.

[0040] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and also impossible to exhaust all the implementation modes. Any modification, equivalent replacement and improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application claims.

Claims

1. A profiled member clamping and positioning device, characterised in that, The application relates to a special-shaped part clamping and positioning device. The clamping mechanism comprises a clamping chuck (1) and a plurality of clamping assemblies (3), the clamping assemblies (3) are arranged on the clamping chuck (1) in a circumferential direction, the clamping assemblies (3) are detachably connected to the clamping chuck (1), and the clamping assemblies (3) can be pressed against a special-shaped part body (2) so that the special-shaped part body (2) is attached to the outer surface of the clamping chuck (1). The positioning mechanism is used for clamping and fixing the clamping chuck (1).

2. A profiled member clamping and positioning device according to claim 1, wherein, The clamping assembly (3) comprises a connecting piece (31) and a pressing plate (32), a plurality of mounting holes (101) are formed in the clamping chuck (1) and arranged in an annular array, the connecting piece (31) penetrates through the pressing plate (32) and is selectively connected to the hole wall of the mounting hole (101), and the pressing plate (32) is used for pressing the special-shaped part body (2) against the outer surface of the clamping chuck (1).

3. A profiled member clamping and positioning device according to claim 2, wherein, An adjusting slot hole (321) is formed in the pressing plate (32) and extends along the length direction of the pressing plate (32), and the length of the adjusting slot hole (321) is smaller than the length of the pressing plate (32).

4. A profiled member clamping and positioning device according to claim 3, wherein, The special-shaped part clamping and positioning device further comprises a plurality of fixing pieces (4), the fixing pieces (4) are arranged in one-to-one correspondence with the pressing plates (32), the fixing pieces (4) penetrate through one end of the pressing plate (32) away from the special-shaped part body (2), and the fixing pieces (4) are selectively connected to the hole wall of the mounting hole (101).

5. The contoured part clamping fixture of claim 2 wherein, The special-shaped part clamping and positioning device further comprises a plurality of supporting pieces (5), the supporting pieces (5) have a supporting end and a connecting end along the length direction of the supporting pieces (5), the supporting end abuts against and supports the special-shaped part body (2), and the connecting end is selectively connected to the mounting hole (101).

6. The contoured part clamping fixture of claim 2 wherein, The connecting piece (31) is a bolt.

7. A profiled member clamping and positioning device according to any one of claims 1 to 6, wherein, A positioning hole (102) is formed in the clamping chuck (1), and the center of the positioning hole (102) coincides with the center of the clamping chuck (1).

8. A profiled member clamping and positioning device according to any one of claims 1 to 6, wherein, The positioning mechanism comprises a positioning plate (6) and a plurality of clamping pieces (7), the clamping pieces (7) are arranged on the positioning plate (6) in a circumferential direction, and the clamping pieces (7) are clamped to the outer peripheral surface of the clamping chuck (1).

9. A profiled member clamping and positioning device according to claim 8, wherein, The clamping piece (7) is recessed with a positioning clamping groove, and the positioning clamping groove is attached to the outer peripheral surface of the clamping chuck (1).

10. A profiled member clamping and positioning device according to any one of claims 1 to 6, wherein, The number of the clamping assemblies (3) is four.