Assembly type rotary pneumatic chuck

By improving the structural design of the rotary pneumatic chuck, adopting a pneumatic chuck seat assembly and clamping assembly, and introducing a rolling friction structure, the problem of insufficient assembly convenience of the rotary pneumatic chuck was solved, and the quick assembly and disassembly of the clamping components were realized.

CN223946837UActive Publication Date: 2026-02-27CHANGZHOU YOUTEKA MASCH CO LTD
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Patent Information

Application Number
CN202520639610.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-07
Publication Date
2026-02-27
Estimated Expiration
2035-04-07

AI Technical Summary

Technical Problem

The existing rotary pneumatic chucks are not easy to assemble, which makes it difficult to quickly disassemble and assemble the clamping components.

Method used

The design employs a pneumatic chuck base assembly, mounting base, and clamping assembly. By reducing the number of bolts used and introducing a rolling friction structure, the clamping assembly can be easily assembled and operated.

Benefits of technology

It improves the assembly efficiency of rotary pneumatic chucks, reduces the number of bolts used, and simplifies the assembly and disassembly process of clamping components.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an assembly type rotary pneumatic chuck which comprises a pneumatic chuck base assembly, and three sets of installation grooves which are evenly distributed in the circumferential direction and used for installing clamping assemblies are formed in the left side face of the pneumatic chuck base assembly. Compared with the prior art, the clamping device has the advantages that the pneumatic chuck seat assembly, the assembly fixing seat and the clamping assembly are additionally arranged, the clamping assembly is arranged in the mounting groove, the connecting rod is connected with the clamping seat, and the clamping seat is moved, so that the assembly fixing seat is mounted on the left side of the pneumatic chuck seat assembly; the pneumatic chuck seat assembly, the assembly fixing seat and the clamping assembly are additionally arranged, a rolling friction structure is formed by the pneumatic chuck seat assembly, the assembly fixing seat and the clamping assembly when the clamping assembly moves inwards and outwards through embedding assistance of an arc-shaped groove and a ball body, and therefore the clamping assembly can be conveniently assembled and used. Therefore, pneumatic clamping operation can be assisted.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of rotary pneumatic chuck, especially relates to an assembly type rotary pneumatic chuck. BACKGROUND

[0002] Rotary pneumatic chuck is a kind of mechanical device for clamping workpiece and enabling it to rotate around central axis, is widely used in machine tool processing field, it realizes opening and closing action by compressed air drive, has the characteristics such as simple operation, high efficiency and good safety.Rotary pneumatic chuck The clamping component is mostly detachable structure and is installed and connected with pneumatic chuck seat, and the installation of clamping component is completed by a large number of bolts, some structures in pneumatic chuck are driven to connecting rod by pneumatic plunger, and connecting rod is connected with clamping component to complete clamping and relaxation, so that connecting rod is also connected with clamping component by bolt, to cause the assembly of this kind of pneumatic chuck to have the problem of insufficient convenience, so that the dismounting of clamping component cannot be quickly completed.

[0003] In view of the above, we hope to propose a new structure to solve the above technical problems. UTILITY MODEL CONTENT

[0004] In view of the deficiencies in the prior art, the utility model aims at providing an assembly type rotary pneumatic chuck to solve the problems in the above background.

[0005] The utility model discloses a kind of assembly type rotary pneumatic chuck, comprising: pneumatic chuck seat assembly, the left side of the pneumatic chuck seat assembly is equipped with three groups of installation slot for installing clamping assembly, which is circumferentially divided distribution, the inner side of the installation slot is equipped with the clamping assembly for clamping workpiece, the clamping assembly includes clamping seat and clamping piece, the clamping seat is equipped with a embedded block for auxiliary linear movement, the left side of the pneumatic chuck seat assembly is equipped with the assembly fixing seat for fixed clamping assembly, the assembly fixing seat is equipped with a assembly fixing ring, the right side of the assembly fixing ring is equipped with three groups of embedded slot corresponding to clamping assembly one by one, the pneumatic chuck seat assembly is also equipped with three groups of connecting rod for connecting clamping seat.

[0006] As a preferred embodiment, the embedded block and embedded slot are mutually embedded, the embedded block right side is fixedly connected with clamping seat plate, the left side of the clamping seat plate is equipped with connecting slot, the clamping piece is equipped with a clamping piece body for clamping workpiece.

[0007] As a preferred implementation, the right side of the clamping body is fixedly connected with a connecting plate, the left side of the connecting plate and the connecting groove is provided with a connecting thread hole, the connecting plate and the connecting groove are embedded with each other and fixed by bolts, the connecting plate and the connecting groove are embedded and the bolts are screwed into the connecting thread hole, thereby completing the assembly of the clamping seat and the clamping body.

[0008] As a preferred implementation, the left side of the pneumatic chuck seat assembly is provided with a linkage groove, the right side of the connecting rod is provided with a pneumatic plug column, the left end of the outer side of the pneumatic plug column is provided with three groups of rotating grooves, and the right end of the connecting rod is connected through a pin shaft inside the rotating groove.

[0009] As a preferred implementation, the left end of the outer side of the connecting rod is vertically formed with a butt joint groove, the right side of the clamping seat plate is provided with a groove, the inner side of the groove is fixedly connected with a butt joint block, the butt joint block and the butt joint groove are embedded with each other, the clamping seat is placed in the mounting groove and is displaced to make the butt joint block and the butt joint groove embedded, so that the connecting rod and the clamping seat are connected.

[0010] As a preferred implementation, the right side of the assembly fixing ring is fixedly connected with three groups of positioning columns which are circumferentially and equally distributed, the left side of the pneumatic chuck seat assembly is provided with three groups of positioning holes, and the positioning columns and the positioning holes are embedded with each other.

[0011] As a preferred implementation, the left side of the assembly fixing ring is fixedly connected with three groups of assembly connecting blocks, the left side of the assembly connecting block is vertically formed with an assembly thread hole, the assembly fixing seat is placed on the left side of the pneumatic chuck seat assembly and is fixed by bolts, and the clamping seat is clamped by the embedding of the embedding block and the embedding groove.

[0012] As a preferred implementation, the left side of the mounting groove and the right side of the embedding groove are provided with ball grooves, and a plurality of groups of balls for assisting the linear movement of the clamping seat are movably embedded in the ball grooves.

[0013] The right side of the clamping seat plate and the left side of the embedding block are provided with arc grooves, the balls and the arc grooves are movably embedded with each other, the embedding of the balls and the arc grooves assists the movement of the clamping assembly, so that a rolling friction structure is formed, thereby assisting the pneumatic clamping operation.

[0014] After the above technical scheme is adopted, the beneficial effects of the present application are as follows:

[0015] 1. By increasing the pneumatic chuck seat assembly, assembly fixing seat and clamping assembly, the clamping assembly is placed in the installation groove, the connecting rod is connected with the clamping seat and the clamping seat is displaced, the assembly fixing seat is installed to the left side of the pneumatic chuck seat assembly, the matching groove is matched with the matching block of the displaced clamping seat, the overall assembly reduces the number of bolts, thereby facilitating assembly and use.

[0016] 2. By increasing the pneumatic chuck seat assembly, assembly fixing seat and clamping assembly, the matching of the arc-shaped groove and the ball in the movement of the clamping assembly inside and outside is assisted, so as to form a rolling friction structure, thereby assisting the pneumatic clamping operation. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0018] Figure 1 It is a whole structure schematic diagram of the assembly type rotary pneumatic chuck.

[0019] Figure 2 It is a structure schematic diagram of the pneumatic chuck seat assembly in the assembly type rotary pneumatic chuck of the present application.

[0020] Figure 3 It is a structure schematic diagram of the assembly fixing seat in the assembly type rotary pneumatic chuck of the present application.

[0021] Figure 4 It is a structure schematic diagram of the clamping assembly in the assembly type rotary pneumatic chuck of the present application.

[0022] Figure 5 It is a left side structure schematic diagram of the clamping seat in the assembly type rotary pneumatic chuck of the present application.

[0023] Figure 6 It is a right side structure schematic diagram of the clamping seat in the assembly type rotary pneumatic chuck of the present application.

[0024] Figure 7 It is a structure schematic diagram of the clamping piece in the assembly type rotary pneumatic chuck of the present application.

[0025] In the figure, 100-pneumatic chuck seat assembly, 101-linkage groove, 102-pneumatic plug column, 103-rotation groove, 104-connecting rod, 105-butting groove, 106-installation groove, 107-ball groove, 108-ball, 109-assembly connecting block one, 110-positioning hole.

[0026] 200 - assembly fixing seat, 201 - assembly fixing ring, 202 - assembly connecting block two, 203 - assembly threaded hole, 204 - positioning column, 205 - fitting groove;

[0027] 300 - clamping assembly, 301 - clamping seat, 302 - clamping piece;

[0028] 301a - clamping seat plate, 301b - fitting block, 301c - arc-shaped groove, 301d - connecting groove, 301e - recess, 301f - butt joint block;

[0029] 302a - connecting plate, 302b - connecting threaded hole, 302c - clamping piece body. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0031] Please refer to Figures 1 to 7 The utility model provides a kind of technical solutions: a kind of assembled rotary pneumatic chuck, comprising: pneumatic chuck seat assembly 100, three groups of installation groove 106 for installing clamping assembly 300 are opened in the left side of pneumatic chuck seat assembly 100, and are distributed in circle equichordal;

[0032] The inside of installation groove 106 is equipped with the clamping assembly 300 for clamping workpiece, and the clamping assembly 300 includes clamping seat 301 and clamping piece 302, one fitting block 301b for assisting linear movement is arranged in clamping seat 301;

[0033] Pneumatic chuck seat assembly 100 is equipped with the assembly fixing seat 200 for fixing clamping assembly 300 on left side, one assembly fixing ring 201 is arranged in assembly fixing seat 200, three groups of fitting grooves 205 corresponding to clamping assembly 300 one by one are opened in the right side of assembly fixing ring 201, and three groups of connecting rods 104 for connecting clamping seat 301 are also arranged in pneumatic chuck seat assembly 100.

[0034] Fitting block 301b and fitting groove 205 are mutually fitted, clamping seat plate 301a is fixedly connected to the right side of fitting block 301b, connecting groove 301d is opened in the left side of clamping seat plate 301a, and one clamping piece body 302c for clamping workpiece is arranged in clamping piece 302.

[0035] The clamping body 302c is fixedly connected with a connecting plate 302a on the right side, and the connecting plate 302a and the connecting groove 301d are both provided with connecting threaded holes 302b on the left side surface. The connecting plate 302a and the connecting groove 301d are mutually embedded and fixed by bolts. The connecting plate 302a and the connecting groove 301d are embedded and fixed by bolts screwed into the connecting threaded holes 302b, thereby completing the assembly of the clamping seat 301 and the clamping piece 302.

[0036] The left side surface of the pneumatic chuck seat assembly 100 is provided with a linkage groove 101, and the right side of the connecting rod 104 is provided with a pneumatic plug column 102. The outer side surface of the pneumatic plug column 102 is provided with three groups of rotating grooves 103 at the left end, and the right end of the connecting rod 104 is connected by a pin shaft inside the rotating groove 103.

[0037] The left end of the outer side surface of the connecting rod 104 is vertically penetrated to form a butt joint groove 105, and the right side surface of the clamping seat plate 301a is provided with a recess 301e. The recess 301e is fixedly connected with a butt joint block 301f inside. The butt joint block 301f and the butt joint groove 105 are mutually embedded. The clamping seat 301 is placed in the mounting groove 106 and is displaced to make the butt joint block 301f and the butt joint groove 105 embedded, so that the connecting rod 104 and the clamping seat 301 are connected.

[0038] The right side surface of the assembly fixing ring 201 is fixedly connected with three groups of positioning columns 204 which are circumferentially and equally distributed. The left side surface of the pneumatic chuck seat assembly 100 is provided with three groups of positioning holes 110. The positioning columns 204 and the positioning holes 110 are mutually embedded.

[0039] The left side surface of the assembly connecting block one 109 and the assembly connecting block two 202 is vertically penetrated to form an assembly threaded hole 203. The assembly fixing seat 200 is placed on the left side of the pneumatic chuck seat assembly 100 and is fixed by bolts. The clamping seat 301 is clamped by the embedding of the embedding block 301b and the embedding groove 205.

[0040] Please refer to Figures 1-7, as the first embodiment of the utility model: first, the user embeds the connecting plate 302a with the connecting groove 301d and screws into the connecting thread hole 302b, completes the assembly of the clamping seat 301 and the clamping piece 302, and can be disassembled and replaced according to the workpiece clamping use to the clamping piece 302, then makes the clamping seat 301 be placed in the installation groove 106 and shifts to make the butt joint block 301f and the butt joint groove 105 embed, make the connecting rod 104 and the clamping seat 301 connect, second, the user places the assembly fixing seat 200 on the left side of the pneumatic chuck seat assembly 100 and fixes it with bolts, the clamping of the clamping seat 301 is completed through the embedding of the embedding block 301b and the embedding groove 205, and the positioning column 204 and the positioning hole 110 are embedded to assist installation, the number of bolts used in overall assembly is reduced, so that the assembly can be facilitated.

[0041] The left side surface of the installation groove 106 and the right side surface of the embedding groove 205 are both provided with ball grooves 107, and a plurality of groups of ball bodies 108 for assisting the linear movement of the clamping seat 301 are movably embedded in the ball grooves 107;

[0042] The right side surface of the clamping seat plate 301a and the left side surface of the embedding block 301b are both provided with arc grooves 301c, and the ball bodies 108 and the arc grooves 301c are movably embedded, and the embedding of the arc grooves 301c and the ball bodies 108 in the internal and external movement of the clamping assembly 300 assists the formation of a rolling friction structure.

[0043] Please refer to Figures 1-6 , as the second embodiment of the utility model: based on the above first embodiment, after the clamping assembly 300 is installed, the clamping seat 301 is movably embedded through the arc grooves 301c and the ball bodies 108 on the left and right sides, so that the clamping seat 301 forms a rolling friction structure in the internal and external movement, thereby assisting the pneumatic clamping operation.

[0044] The above only describes the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A modular rotary pneumatic chuck, comprising: The pneumatic chuck seat assembly (100) is characterized in that: the left side of the pneumatic chuck seat assembly (100) is provided with three sets of mounting slots (106) that are evenly distributed in a circle for mounting the clamping assembly (300); The mounting groove (106) is provided with a clamping assembly (300) for clamping the workpiece. The clamping assembly (300) includes a clamping seat (301) and a clamping member (302). The clamping seat (301) is provided with a fitting block (301b) for assisting linear movement. The pneumatic chuck seat assembly (100) has an assembly fixing seat (200) for fixing the clamping assembly (300) installed on the left side. The assembly fixing seat (200) has an assembly fixing ring (201). The right side of the assembly fixing ring (201) has three sets of fitting grooves (205) that correspond one-to-one with the clamping assembly (300). The pneumatic chuck seat assembly (100) also has three sets of connecting rods (104) for connecting the clamping seat (301).

2. The rotary pneumatic chuck of claim 1, wherein: The fitting block (301b) and the fitting groove (205) fit together. A clamping base plate (301a) is fixedly connected to the right side of the fitting block (301b). A connecting groove (301d) is opened on the left side of the clamping base plate (301a). A clamping body (302c) for clamping the workpiece is provided in the clamping member (302).

3. The rotary pneumatic chuck of claim 2, wherein: A connecting plate (302a) is fixedly connected to the right side of the clamping body (302c). The connecting plate (302a) and the connecting groove (301d) are both provided with connecting thread holes (302b) on their left sides. The connecting plate (302a) and the connecting groove (301d) are interlocked and fixed by bolts.

4. The rotary pneumatic chuck of claim 3, wherein: The pneumatic chuck seat assembly (100) has a linkage groove (101) on its left side, and a pneumatic plunger (102) is provided on the right side of the connecting rod (104). The pneumatic plunger (102) has three sets of rotating grooves (103) on its left side. The right end of the connecting rod (104) is located inside the rotating groove (103) and is connected by a pin.

5. An assembly type rotary pneumatic chuck as claimed in claim 4, wherein: The left end of the outer side of the connecting rod (104) is vertically penetrated to form a docking groove (105). The right side of the clamping base plate (301a) is provided with a groove (301e). A docking block (301f) is fixedly connected to the inner side of the groove (301e). The docking block (301f) and the docking groove (105) are interlocked.

6. The rotary pneumatic chuck of claim 1, wherein: The right side of the assembly fixing ring (201) is fixedly connected with three sets of positioning pins (204) that are evenly distributed in a circle. The left side of the pneumatic chuck seat assembly (100) is provided with three sets of positioning holes (110). The positioning pins (204) and the positioning holes (110) are fitted together.

7. An assembly type rotary pneumatic chuck as claimed in claim 6, wherein: The pneumatic chuck seat assembly (100) has three sets of assembly connecting blocks (109) fixedly connected to the left side of its outer side, and the assembly fixing ring (201) has three sets of assembly connecting blocks (202) fixedly connected to its outer side. The left side of the assembly connecting blocks (109) and the assembly connecting blocks (202) are both vertically penetrating to form assembly threaded holes (203).

8. The rotary pneumatic chuck of claim 2, wherein: The left side of the installation groove (106) and the right side of the fitting groove (205) are both provided with ball grooves (107), and a plurality of groups of balls (108) for assisting linear movement of the clamping seat (301) are movably fitted in the ball grooves (107); The right side of the clamping seat plate (301a) and the left side of the fitting block (301b) are both provided with arc grooves (301c), and the balls (108) and the arc grooves (301c) are movably fitted with each other.