Aeroelastic diaphragm chuck

Abstract

The utility model discloses a pneumatic elastic diaphragm chuck which comprises an installation base and a chuck body installed on the surface of the installation base. The mounting assembly comprises an edge ring fixed to the surface of the outer edge of the chuck body, a movable groove formed in the surface of the mounting base, a movable clamping piece with the inner end in sliding connection with the movable groove and an abutting spring fixed between the inner wall of the movable groove and the movable clamping piece in an abutting mode, the movable clamping piece is of an L-shaped structure, and the outer end of the movable clamping piece is blocked on the outer side of the edge ring; through the designed mounting assembly, the chuck body can be fixedly mounted on the surface of the mounting seat, and during mounting, the movable clamping piece only needs to be shifted to be blocked on the outer side of the side ring or moved away from the outer side of the side ring, so that the chuck body can be disassembled and assembled, in this way, external auxiliary tools are not needed during disassembly and assembly, and the disassembly and assembly efficiency is improved. And the disassembly and assembly steps are convenient and fast, the situation that parts are lost is avoided, and convenience is brought to disassembly and assembly personnel.

Description

Technical Field

[0001] The utility model belongs to the technical field of clamps, and in particular relates to a pneumatic elastic diaphragm chuck. Background Art

[0002] A chuck is a type of fixture, and its function is to clamp and fix roller and cylindrical accessories. A pneumatic elastic diaphragm chuck is a type of chuck, which pneumatically drives the jaws on the chuck to open and close, and in this way the accessories are clamped. When installing the chuck, bolts are often used for fixing and connecting. This method not only requires the use of external auxiliary tools during disassembly and assembly, but also has cumbersome disassembly and assembly steps, and the parts are small and easy to lose, causing inconvenience to the disassembly and assembly personnel. Therefore, it is necessary to design a new chuck to solve this problem. Utility Model Content

[0003] The purpose of the utility model is to provide a pneumatic elastic diaphragm chuck to solve the problem that the existing chuck installation method proposed in the above background technology is not convenient enough.

[0004] To achieve the above purpose, the utility model provides the following technical solutions: a pneumatic elastic diaphragm chuck, comprising

[0005] A mounting seat and a chuck body mounted on a surface of the mounting seat;

[0006] The mounting assembly includes a side ring fixed on the outer edge surface of the chuck body, a movable groove opened on the surface of the mounting seat, a movable clamping piece whose inner end is slidably connected to the movable groove, and a resistance spring fixed between the inner wall of the movable groove and the movable clamping piece. The movable clamping piece is in an L-shaped structure, and the outer end is blocked on the outside of the side ring.

[0007] Preferably, the mounting assembly further comprises a fixing rod fixed between inner walls of the movable groove, the movable clamp is slidably connected to the fixing rod, and the abutment spring is sleeved on the outer side of the fixing rod.

[0008] Preferably, the installation assembly further comprises a buckle groove formed on the outer end surface of the movable clamp, a clamping block fixed to the inner side of the outer end of the movable clamp, and a clamping groove formed on the surface of the side ring and clamped with the clamping block.

[0009] Preferably, the mounting assembly further comprises a washer fixed on the surface of the mounting seat, and the washer is fitted with the edge ring.

[0010] Preferably, a rebound assembly is provided between the mounting seat and the chuck body, including a positioning pile fixed on the surface of the mounting seat, a positioning hole opened on the surface of the chuck body and inserted into the positioning pile, a supporting plate slidably sleeved on the surface of the positioning pile, a supporting groove opened on the outer port of the positioning hole and supporting the supporting plate, and a rebound spring sleeved on the surface of the positioning pile and supporting between the mounting seat and the supporting plate.

[0011] Preferably, the rebounding component further includes an anti - detachment block fixed to the outer end of the positioning pile, and the positioning pile and the anti - detachment block form a T - shaped structure.

[0012] Preferably, a sealing component is arranged between the mounting seat and the chuck body, including a rubber pad fixed on the surface of the chuck body, an extrusion groove opened on the surface of the mounting seat, an extrusion pad movably installed inside the extrusion groove and in abutting contact with the rubber pad, and an extrusion spring abutted and connected between the extrusion groove and the extrusion pad.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] Through the designed installation component, the chuck body can be fixedly installed on the surface of the mounting seat. And during installation, just toggle the movable clamping part to make it block outside the edge ring or move away from the outside of the edge ring, then the disassembly and assembly of the chuck body can be realized. In this way, not only no external auxiliary tools are needed during disassembly and assembly, but also the disassembly and assembly steps are convenient, and the situation of part loss will not occur, which brings convenience to the disassembly and assembly personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the front - view cross - sectional view of the present utility model;

[0016] Figure 2 is the present utility model Figure 1 the enlarged schematic view of area A in;

[0017] Figure 3 is the present utility model Figure 1 the enlarged schematic view of area B in;

[0018] Figure 4 is the present utility model Figure 1 the enlarged schematic view of area C in;

[0019] In the figure: 100, mounting seat; 200, chuck body; 300, installation component; 301, edge ring; 302, movable clamping part; 303, movable groove; 304, fixed rod; 305, abutting spring; 306, buckling groove; 307, clamping block; 308, clamping groove; 309, washer; 400, rebounding component; 401, positioning pile; 402, positioning hole; 403, abutting disc; 404, abutting groove; 405, rebounding spring; 406, anti - detachment block; 500, sealing component; 501, rubber pad; 502, extrusion groove; 503, extrusion pad; 504, extrusion spring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] 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.

[0021] Example

[0022] See also Figures 1 to 4 , is an embodiment of the utility model, and this embodiment provides a technical solution: a pneumatic elastic diaphragm chuck, comprising

[0023] The mounting seat 100 and the chuck body 200 mounted on the surface of the mounting seat 100. After the chuck body 200 is mounted on the mounting seat 100, the parts can be clamped and fixed;

[0024] The mounting assembly 300 includes a side ring 301 fixed on the outer edge surface of the chuck body 200, a movable groove 303 provided on the surface of the mounting seat 100, a movable clamping member 302 whose inner end is slidably connected to the movable groove 303, and a resisting spring 305 fixed between the inner wall of the movable groove 303 and the movable clamping member 302. The movable clamping member 302 is an L-shaped structure, and its outer end is blocked on the outside of the side ring 301. When installing the chuck body 200, first move the movable clamping member 302 to open it, then install the chuck body 200 to the specified position, release the movable clamping member 302, and under the action of the spring, the movable clamping member 302 is reset and blocked on the outside of the side ring 301, so that the installation of the chuck body 200 is completed. The mounting assembly 300 also includes The fixed rod 304 is fixed between the inner walls of the movable groove 303, and the movable clamping member 302 is slidably connected to the fixed rod 304, so that the movable clamping member 302 can slide stably, and the resistance spring 305 is sleeved on the outer side of the fixed rod 304 to prevent the resistance spring 305 from bending. The installation component 300 also includes a buckle groove 306 opened on the outer end surface of the movable clamping member 302, a clamping block 307 fixed on the inner side of the outer end of the movable clamping member 302, and a clamping groove 308 opened on the surface of the side ring 301 and clamped with the clamping block 307. The buckle groove 306 is used to facilitate the movement of the movable clamping member 302, and the clamping block 307 is clamped with the clamping groove 308, which can improve the blocking stability of the movable clamping member 302 on the side ring 301, thereby ensuring the installation strength of the chuck body 200.

[0025] In this embodiment, preferably, the mounting assembly 300 further includes a gasket 309 fixed on the surface of the mounting seat 100 , and the gasket 309 fits with the edge ring 301 , further improving the installation tightness of the chuck body 200 .

[0026] In this embodiment, preferably, a rebound assembly 400 is provided between the mounting base 100 and the chuck body 200, which includes a positioning post 401 fixed on the surface of the mounting base 100, a positioning hole 402 formed on the surface of the chuck body 200 and inserted with the positioning post 401, a holding plate 403 slidably sleeved on the surface of the positioning post 401, a holding groove 404 formed at the outer port of the positioning hole 402 and abutted against the holding plate 403, and a rebound spring 405 sleeved on the surface of the positioning post 401 and abutted between the mounting base 100 and the holding plate 403. During installation, the positioning post 401 can be first inserted into the positioning hole 402 to complete positioning. After the chuck body 200 is installed, the holding plate 403 abuts against the holding groove 404, and the rebound spring 405 is compressed. When the fixed installation of the chuck body 200 is released, the holding plate 403 will automatically push out the chuck body 200, facilitating disassembly. The rebound assembly 400 further includes a retaining block 406 fixed at the outer end of the positioning post 401, and the positioning post 401 and the retaining block 406 form a T-shaped structure to prevent the holding plate 403 from falling off.

[0027] In this embodiment, preferably, a sealing assembly 500 is provided between the mounting base 100 and the chuck body 200, which includes a rubber pad 501 fixed on the surface of the chuck body 200, an extrusion groove 502 formed on the surface of the mounting base 100, an extrusion pad 503 movably installed inside the extrusion groove 502 and abutted against the rubber pad 501, and an extrusion spring 504 abutted and connected between the extrusion groove 502 and the extrusion pad 503. After the chuck body 200 is installed, the rubber pad 501 fits with the extrusion pad 503, and the extrusion spring 504 pushes the extrusion pad 503 to make the rubber pad 501 and the extrusion pad 503 in extrusion contact, ensuring a good sealing effect.

[0028] Although the embodiments of the present invention have been shown and described (see the above detailed description), for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Pneumatic elastic diaphragm chuck, characterized by: include A mounting seat (100) and a chuck body (200) mounted on a surface of the mounting seat (100); The mounting assembly (300) comprises a side ring (301) fixed on the outer edge surface of a chuck body (200), a movable groove (303) provided on the surface of a mounting seat (100), a movable clamping member (302) whose inner end is slidably connected to the movable groove (303), and a resisting spring (305) fixed between the inner wall of the movable groove (303) and the movable clamping member (302), wherein the movable clamping member (302) is in an L-shaped structure, and its outer end is blocked on the outer side of the side ring (301).

2. The pneumatic elastic diaphragm chuck according to claim 1, characterized in that: The mounting assembly (300) further comprises a fixing rod (304) fixed between the inner walls of the movable groove (303), the movable clamp (302) is slidably connected to the fixing rod (304), and the resisting spring (305) is sleeved on the outer side of the fixing rod (304).

3. The pneumatic elastic diaphragm chuck according to claim 2, characterized in that: The installation assembly (300) further comprises a buckle groove (306) provided on the outer end surface of the movable clamp (302), a clamping block (307) fixed on the inner side of the outer end of the movable clamp (302), and a clamping groove (308) provided on the surface of the side ring (301) and clamped with the clamping block (307).

4. The pneumatic elastic diaphragm chuck according to claim 3, characterized in that: The mounting assembly (300) further comprises a washer (309) fixed on the surface of the mounting seat (100), and the washer (309) is fitted with the edge ring (301).

5. The pneumatic elastic diaphragm chuck according to claim 1, characterized in that: A rebound assembly (400) is arranged between the mounting seat (100) and the chuck body (200), comprising a positioning pile (401) fixed on the surface of the mounting seat (100), a positioning hole (402) provided on the surface of the chuck body (200) and plugged into the positioning pile (401), a supporting plate (403) slidably sleeved on the surface of the positioning pile (401), a supporting groove (404) provided on the outer end of the positioning hole (402) and supporting the supporting plate (403), and a rebound spring (405) sleeved on the surface of the positioning pile (401) and supporting between the mounting seat (100) and the supporting plate (403).

6. The pneumatic elastic diaphragm chuck according to claim 5, characterized in that: The rebound assembly (400) further comprises an anti-slip block (406) fixed to the outer end of the positioning pile (401), and the positioning pile (401) and the anti-slip block (406) form a T-shaped structure.

7. The pneumatic elastic diaphragm chuck according to claim 1, characterized in that: A sealing assembly (500) is provided between the mounting seat (100) and the chuck body (200), comprising a rubber pad (501) fixed on the surface of the chuck body (200), an extrusion groove (502) provided on the surface of the mounting seat (100), an extrusion pad (503) movably mounted inside the extrusion groove (502) and in abutment contact with the rubber pad (501), and an extrusion spring (504) abuttingly connected between the extrusion groove (502) and the extrusion pad (503).

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