Pneumatic zero-point positioning automatic clamp

Abstract

The utility model relates to the technical field of clamps, in particular to a pneumatic zero-point positioning automatic clamp which comprises an air cylinder loop base, a plurality of sets of air cylinder holes are formed in the end face of the air cylinder loop base, and movable pistons are connected in the air cylinder holes. A clamping jaw guide plate is connected to the end face of the air cylinder loop base through bolts and corresponds to the air cylinder holes, and a plurality of sets of pressurizing springs are arranged between the movable piston and the clamping jaw guide plate. According to the pneumatic zero-point positioning automatic clamp, the movable pull rod, the movable elastic block, the inclined guide clamping block, the movable clamping jaw, the blind rivet mounting hole, the limiting blind rivet, the fixed clamping block and the interaction among all the components are utilized, so that the jaw vice can be quickly disassembled and assembled, and the disassembly and assembly of the jaw vice can be quickly carried out; and the device is more convenient to use, so that the problem that the jaw vice cannot be quickly disassembled and assembled is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of clamps, in particular to a pneumatic zero-point positioning automatic clamp. Background Art

[0002] Currently, the vise is mostly fixed by bolts during installation, and calibration is required during installation of the vise, which consumes a lot of time and affects the efficiency of product processing. To address the above problems, a pneumatic zero-point positioning automated fixture is needed. Utility Model Content

[0003] The utility model aims to provide a pneumatic zero-point positioning automatic fixture to solve the problems raised in the above-mentioned background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A pneumatic zero-point positioning automated fixture comprises a cylinder loop base, a plurality of cylinder holes are provided on the end surface of the cylinder loop base, a movable piston is connected to the cylinder hole, a clamping jaw guide plate is connected to the end surface of the cylinder loop base through bolts and corresponding to the cylinder hole, a plurality of booster springs are arranged between the movable piston and the clamping jaw guide plate, loop air holes are arranged on the side wall of the cylinder loop base and at the upper and lower ends of the movable piston, a movable pull rod is connected to the connecting column on the end surface of the movable piston, and the clamping jaw A movable tension block is arranged on the end surface of the guide plate and corresponds to the movable pull rod, and oblique guide blocks are arranged on the side walls around the movable tension block, and a movable clamp is connected to the oblique guide block, and a fixed cover plate is connected to the end surface of the clamp guide plate by bolts, and a rivet mounting hole is opened on the end surface of the fixed cover plate and corresponds to one end of the movable clamp, a limiting rivet is installed in the rivet mounting hole, and a fixed block is arranged at one end of the movable clamp and corresponds to the limiting rivet, and a vise is connected to the end surface of the limiting rivet.

[0006] As a preferred solution of the utility model, the cylinder circuit base can be set as multiple groups of cylinder holes and a single cylinder hole. The end surface of the cylinder circuit base in contact with the clamping guide plate is connected through a sealing ring, and the connection between the cylinder hole and the movable piston is a sliding connection.

[0007] As a preferred solution of the utility model, a fixing groove is arranged on the end surface of the movable piston opposite to the clamping jaw guide plate and corresponding to the booster spring, wherein the booster spring and the fixing groove are matched in a clearance fit.

[0008] As a preferred solution of the utility model, the movable tension block is connected to the connecting column on the end face of the movable piston through a thread at one end of the movable pull rod. The movable tension block is an inverted cone prism structure, wherein oblique guide blocks are provided on the side walls of the four sides of the movable tension block.

[0009] As a preferred solution of the utility model, an oblique guide slot is provided at one end of the movable clamping jaw and corresponds to the oblique guide block, wherein the oblique guide block and the oblique guide slot are connected in a sliding manner.

[0010] As a preferred solution of the utility model, a limiting groove is provided on the end surface of the clamping jaw guide plate and corresponds to the movable clamping jaw, wherein the movable clamping jaw and the limiting groove are connected in a sliding manner, and the rivet mounting hole and the limiting rivet are matched in a clearance manner.

[0011] As a preferred solution of the utility model, a fixed slot is arranged on the side wall of the limit rivet and corresponds to the fixed block, wherein the fixed block and the fixed slot are matched in a clearance fit, and the end face of the limit rivet is fixedly connected to the vise by bolts.

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

[0013] In the utility model, by arranging a movable pull rod, a movable elastic block, an oblique guide block, a movable clamping claw, a rivet mounting hole, a limit rivet and a fixed clamping block in the pneumatic zero-point positioning automatic clamp, the movable pull rod, the movable elastic block, the oblique guide block, the movable clamping claw, the rivet mounting hole, the limit rivet, the fixed clamping block and the interaction between various components are utilized to make the vise capable of being quickly disassembled and assembled, so that during the use of the pneumatic zero-point positioning automatic clamp, the vise can be quickly disassembled and assembled, making the device more convenient during use, thereby solving the problem that the vise cannot be quickly disassembled and assembled. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of multiple automated fixture connection seats of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of a single automated fixture connection seat of the utility model;

[0016] Figure 3 This is a schematic diagram of the front and side structure of the automated fixture of the utility model;

[0017] Figure 4 For this utility model Figure 3 Schematic diagram of some structures;

[0018] Figure 5 For this utility model Figure 4 Schematic diagram of some structures.

[0019] In the figure: 1. Cylinder circuit base; 2. Cylinder hole; 3. Moving piston; 4. Clamp guide plate; 5. Boost spring; 6. Circuit air hole; 7. Moving pull rod; 8. Moving tension block; 9. Oblique guide block; 10. Moving clamp; 11. Fixed cover plate; 12. Rivet installation hole; 13. Limit rivet; 14. Fixed block; 15. Vise. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings, and several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0022] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present invention. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used in this article includes any and all combinations of one or more related listed items.

[0024] For example, please refer to Figure 1-5 , the utility model provides a technical solution:

[0025] A pneumatic zero-point positioning automatic fixture comprises a cylinder loop base 1, a plurality of cylinder holes 2 are provided on the end surface of the cylinder loop base 1, a movable piston 3 is connected to the cylinder hole 2, a clamping claw guide plate 4 is connected to the end surface of the cylinder loop base 1 through bolts and corresponding to the cylinder hole 2, a plurality of booster springs 5 ​​are arranged between the movable piston 3 and the clamping claw guide plate 4, loop air holes 6 are arranged on the side wall of the cylinder loop base 1 and at the upper and lower ends of the movable piston 3, a movable pull rod 7 is connected to the connecting column of the end surface of the movable piston 3, and a clamping claw guide plate 4 is provided on the end surface of the clamping claw guide plate 4. A movable tension block 8 is provided corresponding to the movable pull rod 7, oblique guide blocks 9 are provided on the side walls around the movable tension block 8, and a movable clamp 10 is connected to the oblique guide block 9. A fixed cover plate 11 is connected to the end surface of the clamp guide plate 4 by bolts, and a rivet mounting hole 12 is provided on the end surface of the fixed cover plate 11 and corresponds to one end of the movable clamp 10, and a limit rivet 13 is installed in the rivet mounting hole 12, and a fixed block 14 is provided at one end of the movable clamp 10 and corresponds to the limit rivet 13, and a vise 15 is connected to the end surface of the limit rivet 13;

[0026] In this embodiment, reference Figure 1 , Figure 2 , Figure 3 and Figure 5 , under the condition that the end face of the limit rivet 13 is fixedly connected with the vise 15 by bolts, the limit rivet 13 is fixed to the bottom of the vise 15 by bolts, and under the condition that the matching mode of the rivet mounting hole 12 and the limit rivet 13 is clearance matching, the vise 15 installed with the limit rivet 13 is placed on the end face of the fixed cover plate 11, and the rivet mounting hole 12 and the limit rivet 13 are matched with each other, and then the switch is started, and the end face where the cylinder circuit base 1 contacts the clamp guide plate 4 is connected by a sealing ring, and the connection mode between the cylinder hole 2 and the moving piston 3 is a sliding connection, so that the moving piston 3 moves downward. When the moving piston 3 moves downward, it drives the moving tension block 8 to move downward, and the moving tension block 8 is connected to the moving movable block through the thread at one end of the moving pull rod 7. The connecting column on the end surface of the plug 3 is connected, and the movable elastic block 8 is an inverted cone prism structure, wherein the side walls of the four sides of the movable elastic block 8 are provided with oblique guide blocks 9, and one end of the movable clamping jaw 10 is provided with an oblique guide slot corresponding to the oblique guide block 9, wherein the oblique guide block 9 is connected with the oblique guide slot in a sliding manner, and a limiting slot is provided on the end surface of the clamping jaw guide plate 4 and corresponding to the movable clamping jaw 10, wherein the connection mode between the movable clamping jaw 10 and the limiting slot is a sliding connection, so that the movable clamping jaw 10 can move in four directions at the same time, and a fixed slot is provided on the side wall of the limiting rivet 13 and corresponding to the fixed clamping block 14, wherein the matching mode between the fixed clamping block 14 and the fixed slot is a clearance match, so that the fixed clamping block 14 fixes the limiting rivet 13;

[0027] Further, the cylinder circuit base 1 can be configured as multiple groups of cylinder holes 2 and a single cylinder hole 2, so that the device can select a corresponding fixture according to the processing requirements;

[0028] Furthermore, the end surfaces of the cylinder circuit base 1 and the clamping jaw guide plate 4 in contact are connected by a sealing ring, and the connection between the cylinder hole 2 and the movable piston 3 is a sliding connection, which facilitates the device to connect to the air pipe;

[0029] Furthermore, a fixing groove is provided on the end surface of the movable piston 3 opposite to the clamping jaw guide plate 4 and corresponding to the booster spring 5, wherein the booster spring 5 and the fixing groove are matched in a clearance fit, thereby increasing the force of the vise 15 during clamping;

[0030] Further, the movable elastic block 8 is connected to the connecting column on the end surface of the movable piston 3 through a thread at one end of the movable pull rod 7, and the movable elastic block 8 is a conical prism structure, wherein the side walls of the four sides of the movable elastic block 8 are provided with oblique guide blocks 9, and one end of the movable clamp 10 is provided with an oblique guide groove corresponding to the oblique guide block 9, wherein the oblique guide block 9 is connected to the oblique guide groove in a sliding manner, so that the device can fix the vise 15;

[0031] Furthermore, a limiting groove is provided on the end face of the jaw guide plate 4 corresponding to the movable jaw 10, wherein the movable jaw 10 is connected to the limiting groove by a sliding connection, the rivet mounting hole 12 and the limiting rivet 13 are matched by a clearance fit, and a fixed groove is provided on the side wall of the limiting rivet 13 corresponding to the fixed block 14, wherein the fixed block 14 and the fixed groove are matched by a clearance fit, and the end face of the limiting rivet 13 is fixedly connected to the vise 15 by bolts, so that the device can be used more smoothly.

[0032] The working process of the utility model is as follows: when using the pneumatic zero-point positioning automatic clamp, firstly connect the conduit and the switch to the loop air hole 6, fix the limit rivet 13 to the bottom of the vise 15 by bolts under the condition that the end face of the limit rivet 13 is fixedly connected to the vise 15 by bolts, place the vise 15 with the limit rivet 13 installed on the end face of the fixed cover plate 11 under the condition that the matching mode of the rivet mounting hole 12 and the limit rivet 13 is clearance matching, and make the rivet mounting hole 12 and the limit rivet 13 match each other, then start the switch, connect the end face of the cylinder loop base 1 and the clamp guide plate 4 that are in contact with each other through a sealing ring, and make the movable piston 3 move downward under the condition that the connection mode of the cylinder hole 2 and the movable piston 3 is a sliding connection, and when the movable piston 3 moves downward, it drives the movable tension block 8 to move downward, and when the movable tension block 8 moves downward, One end of the movable pull rod 7 is connected to the connecting column on the end face of the movable piston 3 through a thread, and the movable tension block 8 is a conical frustum structure, wherein oblique guide blocks 9 are provided on the side walls of the four sides of the movable tension block 8, and an oblique guide groove is provided at one end of the movable clamping jaw 10 corresponding to the oblique guide block 9, wherein the oblique guide block 9 is connected to the oblique guide groove in a sliding manner, and a limiting groove is provided on the end face of the clamping jaw guide plate 4 corresponding to the movable clamping jaw 10, wherein the connection mode between the movable clamping jaw 10 and the limiting groove is a sliding connection, so that the movable clamping jaw 10 can move in four directions at the same time, and a fixed groove is provided on the side wall of the limiting rivet 13 corresponding to the fixed block 14, wherein the matching mode between the fixed block 14 and the fixed groove is a clearance match, so that the fixed block 14 fixes the limiting rivet 13, thereby completing the installation of the vise 15.

[0033] 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 pneumatic zero-point positioning automated fixture, comprising a cylinder circuit base (1), characterized in that: The end surface of the cylinder circuit base (1) is provided with a plurality of cylinder holes (2), a movable piston (3) is connected to the cylinder hole (2), a clamping guide plate (4) is connected to the end surface of the cylinder circuit base (1) via bolts and corresponding to the cylinder hole (2), a plurality of booster springs (5) are arranged between the movable piston (3) and the clamping guide plate (4), circuit air holes (6) are arranged on the side wall of the cylinder circuit base (1) and at the upper and lower ends of the movable piston (3), a movable pull rod (7) is connected to the connecting column on the end surface of the movable piston (3), and a clamping guide plate (4) is arranged on the end surface of the clamping guide plate (4) and corresponding to the movable pull rod (7). A movable tension block (8) is provided, and oblique guide blocks (9) are arranged on the side walls around the movable tension block (8), and a movable clamping claw (10) is connected to the oblique guide block (9). A fixed cover plate (11) is connected to the end surface of the clamping claw guide plate (4) by bolts, and a rivet mounting hole (12) is provided on the end surface of the fixed cover plate (11) and corresponds to one end of the movable clamping claw (10), and a limit rivet (13) is installed in the rivet mounting hole (12), and a fixed block (14) is arranged at one end of the movable clamping claw (10) and corresponds to the limit rivet (13), and a vise (15) is connected to the end surface of the limit rivet (13).

2. The pneumatic zero-point positioning automatic fixture according to claim 1, characterized in that: The cylinder circuit base (1) can be configured as a plurality of groups of cylinder holes (2) or a single cylinder hole (2); the end surface of the cylinder circuit base (1) in contact with the clamping jaw guide plate (4) is connected via a sealing ring; and the cylinder hole (2) is connected to the movable piston (3) in a sliding manner.

3. The pneumatic zero-point positioning automatic fixture according to claim 1, characterized in that: A fixing groove is provided on the end surface of the movable piston (3) opposite to the clamping jaw guide plate (4) and corresponding to the booster spring (5), wherein the booster spring (5) and the fixing groove are matched in a clearance fit.

4. The pneumatic zero-point positioning automatic fixture according to claim 1, characterized in that: The movable tension block (8) is connected to a connecting column on the end surface of the movable piston (3) via a thread at one end of the movable pull rod (7). The movable tension block (8) is an inverted cone prism structure, wherein oblique guide blocks (9) are provided on the side walls of the four sides of the movable tension block (8).

5. The pneumatic zero-point positioning automatic fixture according to claim 1, characterized in that: An oblique guide slot is provided at one end of the movable clamping claw (10) and corresponds to the oblique guide block (9), wherein the oblique guide block (9) and the oblique guide slot are connected in a sliding manner.

6. The pneumatic zero-point positioning automatic fixture according to claim 1, characterized in that: A limiting slide groove is provided on the end surface of the clamping jaw guide plate (4) and corresponds to the movable clamping jaw (10), wherein the movable clamping jaw (10) is connected to the limiting slide groove by sliding connection, and the rivet mounting hole (12) and the limiting rivet (13) are matched by clearance fit.

7. The pneumatic zero-point positioning automatic fixture according to claim 1, characterized in that: A fixing slot is provided on the side wall of the limiting rivet (13) and corresponds to the fixing block (14), wherein the fixing block (14) and the fixing slot are matched in a clearance fit, and the end surface of the limiting rivet (13) is fixedly connected to the vise (15) via a bolt.

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