Linkage self-centering pneumatic chuck

By adopting a combined structure such as mounting base and rotating air ring in the linked self-centered pneumatic chuck, the problems of uncompact chuck space and unstable clamping accuracy are solved, and the compact structure and high-precision clamping effect are achieved.

CN222307402UActive Publication Date: 2025-01-07NANHAI YUHAI ELECTROMECHANICAL IND CO LTD
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Patent Information

Application Number
CN202420112017.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-17
Publication Date
2025-01-07
Estimated Expiration
2034-01-17

AI Technical Summary

Technical Problem

The existing linkage self-centered pneumatic chuck has a complex main structure, resulting in a not compact chuck space, making it difficult to achieve repeated clamping, and the clamping accuracy and stability are weak.

Method used

Adopt a combined structure of mounting base, rotating air ring, rotating outer ring, cylinder base, swing block, jaw mount, dustproof plate and scale, and the movement of jaws is achieved through the cooperation of cylinder, swing block and jaw mount. and fixing, simplifying the chuck structure and enhancing clamping accuracy.

Benefits of technology

The compact structure design and repeated clamping function of the chuck are realized, making the clamping accuracy stable, simplifying the working principle and reducing space occupation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of chucks, and particularly relates to a linkage self-centering pneumatic chuck which comprises a mounting base, a rotating gas ring is arranged on the outer side of the mounting base, a rotating outer ring is arranged at the upper end of the rotating gas ring, and four cylinder bases distributed in an annular array are arranged at the upper end of the mounting base. An air cylinder is arranged on the inner side wall of each air cylinder base, and a swing block is arranged on the inner side wall of each air cylinder base. Through the arrangement of the mounting base, the chuck and mechanical equipment can be fixed, the clamping jaws can be pushed to move under the matched use of the structures such as the air cylinder, the swing block and the clamping jaw mounting base, and then a workpiece is clamped and fixed; the working principle of the chuck is simple, the overall structure is compact, the space is small, the repeated clamping function can be achieved, and the clamping precision of the chuck is stable.
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Description

Technical Field

[0001] The utility model relates to the technical field of chucks, in particular to a linked self-centering pneumatic chuck. Background Art

[0002] As we all know, the linkage self-centering pneumatic chuck is a mechanical device controlled by pneumatic force to clamp and fix the workpiece. It has an automatic centering function, which can automatically adjust the clamping force when clamping the workpiece and keep the center position of the workpiece stable.

[0003] However, the existing linked self-centering pneumatic chucks also have certain shortcomings. The main structure of the existing linked self-centering pneumatic chucks is relatively complex, which makes the space of the chuck larger, resulting in a non-compact structure, and it is difficult to achieve the characteristic of repeated clamping, which makes the stability of the chuck clamping accuracy weak. Utility Model Content

[0004] The purpose of the utility model is to provide a linked self-centering pneumatic chuck, which solves the problem that the main structure of the existing linked self-centering pneumatic chuck is relatively complex, which makes the chuck space larger and causes the structure to be not compact, and it is difficult to achieve the characteristic of repeated clamping, resulting in weak stability of the chuck clamping accuracy.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a linked self-centering pneumatic chuck, comprising a mounting base, a rotating air ring is arranged on the outer side of the mounting base, a rotating outer ring is arranged on the upper end of the rotating air ring, four cylinder bases arranged in a circular array are arranged on the upper end of the mounting base, a cylinder is arranged on the inner side wall of each cylinder base, a swing block is arranged on the inner side wall of each cylinder base, a clamping jaw mounting seat is arranged on the outer side of the swing block, the clamping jaw mounting seat is in contact with the rotating outer ring, the upper end of the clamping jaw mounting seat is provided with a clamping jaw, the upper end of the rotating outer ring is provided with a dustproof plate, a scale is installed on the upper end of the dustproof plate by screws, and the scale is in contact with the clamping jaw.

[0006] Preferably, each of the cylinder bases is in contact with a rotating air ring, and each of the cylinder bases is in contact with a rotating outer ring. By setting the rotating outer ring, the internal structural parts of the chuck can be protected.

[0007] Preferably, the dustproof plate is in contact with the clamping jaw mounting seat, and the dustproof plate is in contact with the clamping jaw. By setting the dustproof plate, the clamping jaw mounting seat and other structural parts can be protected to avoid the problem of invasion of impurities such as dust.

[0008] Preferably, four clamping jaws are provided, and the four clamping jaws are arranged in a circular array on the dustproof plate. Through the setting of the clamping jaws, the workpiece can be clamped and fixed.

[0009] Preferably, four scales are provided, and the four scales are arranged in a circular array on the dustproof plate. Through the setting of the scales, the position of the clamping jaws can be measured.

[0010] Preferably, a scale piece is provided on the surface of the clamping jaw on the side close to the scale, and the scale piece is provided to facilitate displacement monitoring in conjunction with the scale piece.

[0011] Preferably, the rotating outer ring is annular as a whole and is made of cast iron. The cast iron material enables the rotating outer ring to have good corrosion resistance and impact resistance.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The utility model can fix the chuck and mechanical equipment by setting the mounting base. With the coordinated use of the cylinder, the swing block, the clamping jaw mounting seat and other structures, the clamping jaw can be pushed to move, and then the workpiece can be clamped and fixed. The setting of the cylinder, the swing block, the clamping jaw mounting seat and other structures not only makes the working principle of the chuck simple, but also makes the overall structure compact and the space small, and can realize the function of repeated clamping, so that the clamping accuracy of the chuck is stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0015] Figure 2 For the utility model Figure 1 A front view of

[0016] Figure 3 For the utility model Figure 1 A sectional perspective view of .

[0017] In the figure: 1. Mounting base; 2. Rotating air ring; 3. Rotating outer ring; 4. Cylinder base; 5. Cylinder; 6. Swing block; 7. Gripper mounting base; 8. Gripper; 9. Dustproof plate; 10. Scale. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1 , Figure 2 , Figure 3, a linked self-centering pneumatic chuck comprises a mounting base 1, a rotating air ring 2 is arranged on the outer side of the mounting base 1, a rotating outer ring 3 is arranged on the upper end of the rotating air ring 2, four cylinder bases 4 arranged in a ring array are arranged on the upper end of the mounting base 1, a cylinder 5 is arranged on the inner side wall of each cylinder base 4, a swing block 6 is arranged on the inner side wall of each cylinder base 4, a clamping jaw mounting seat 7 is arranged on the outer side of the swing block 6, the clamping jaw mounting seat 7 is in contact with the rotating outer ring 3, a clamping jaw 8 is arranged on the upper end of the clamping jaw mounting seat 7, a dustproof plate 9 is arranged on the upper end of the rotating outer ring 3, a scale 10 is installed on the upper end of the dustproof plate 9 by screws, and the scale 10 is in contact with the clamping jaw 8.

[0020] See also Figure 1 , Figure 2 , Figure 3 The rotating outer ring 3 is annular as a whole and is made of cast iron. The cast iron material allows the rotating outer ring 3 to have good corrosion resistance and impact resistance. Each cylinder base 4 is in contact with the rotating air ring 2. Each cylinder base 4 is in contact with the rotating outer ring 3. Through the setting of the rotating outer ring 3, the internal structural parts of the chuck can be protected. The dustproof plate 9 is in contact with the clamping jaw mounting seat 7. The dustproof plate 9 is in contact with the clamping jaw 8. Through the setting of the dustproof plate 9, the structural parts such as the clamping jaw mounting seat 7 can be protected to avoid the invasion of impurities such as dust.

[0021] See also Figure 1 , Figure 2 , Figure 3 There are four clamping jaws 8, which are arranged in a circular array on the dustproof plate 9. Through the setting of the clamping jaws 8, the workpiece can be clamped and fixed. There are four scales 10, which are arranged in a circular array on the dustproof plate 9. Through the setting of the scale 10, the position of the clamping jaws 8 can be measured. A scale piece is provided on the surface of the clamping jaw 8 close to the scale 10. Through the setting of the scale piece, it is convenient to cooperate with the scale 10 for displacement monitoring.

[0022] The specific implementation process of the utility model is as follows: when the linked self-centering pneumatic chuck needs to be used, the chuck and the mechanical equipment can be fixed by setting the mounting base 1. With the coordinated use of the cylinder 5, the swing block 6, the clamping jaw mounting seat 7 and other structures, the clamping jaw 8 can be pushed to move, and then the workpiece can be clamped and fixed. Through the setting of the cylinder 5, the swing block 6, the clamping jaw mounting seat 7 and other structures, not only the working principle of the chuck can be simple, but also the overall structure is compact and the space is small, and the function of repeated clamping can be realized, so that the clamping accuracy of the chuck is stable.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A linked self-centering pneumatic chuck, comprising a mounting base (1), characterized in that: A rotating air ring (2) is arranged on the outer side of the mounting base (1), a rotating outer ring (3) is arranged on the upper end of the rotating air ring (2), four cylinder bases (4) arranged in a ring array are arranged on the upper end of the mounting base (1), a cylinder (5) is arranged on the inner side wall of each cylinder base (4), a swing block (6) is arranged on the inner side wall of each cylinder base (4), a clamping jaw mounting seat (7) is arranged on the outer side of the swing block (6), the clamping jaw mounting seat (7) is in contact with the rotating outer ring (3), the upper end of the clamping jaw mounting seat (7) is provided with a clamping jaw (8), the upper end of the rotating outer ring (3) is provided with a dustproof plate (9), a scale (10) is installed on the upper end of the dustproof plate (9) by screws, and the scale (10) is in contact with the clamping jaw (8).

2. The linked self-centering pneumatic chuck according to claim 1, characterized in that: Each of the cylinder bases (4) is in contact with the rotating air ring (2), and each of the cylinder bases (4) is in contact with the rotating outer ring (3).

3. The linked self-centering pneumatic chuck according to claim 1, characterized in that: The dustproof plate (9) is in contact with the clamping jaw mounting seat (7), and the dustproof plate (9) is in contact with the clamping jaw (8).

4. The linked self-centering pneumatic chuck according to claim 1, characterized in that: The clamping jaws (8) are provided in four numbers, and the four clamping jaws (8) are arranged in a ring array on the dustproof plate (9).

5. The linked self-centering pneumatic chuck according to claim 1, characterized in that: Four scales (10) are provided, and the four scales (10) are arranged in a ring array on the dustproof plate (9).

6. The linked self-centering pneumatic chuck according to claim 1, characterized in that: A scale piece is provided on the surface of the clamping jaw (8) on the side close to the scale (10).

7. The linked self-centering pneumatic chuck according to claim 1, characterized in that: The rotating outer ring (3) is in the shape of a ring as a whole and is made of cast iron.