Pneumatic parallel clamp

Abstract

The utility model relates to the technical field of vises, in particular to a pneumatic parallel clamp which comprises a connecting bottom plate, the bottom of the connecting bottom plate is connected with an air cylinder base through a bolt, and air pipe connectors are arranged on the side wall of the connecting bottom plate and the side wall of the air cylinder base. A plurality of sets of moving pistons are connected in the inner cavity of the air cylinder base and located in the middle of the air pipe connector, and a plurality of sets of reset springs are arranged on the end faces of the moving pistons and the bottom of the connecting bottom plate. According to the pneumatic parallel clamp, through the guide sliding block, the movable sliding block, the jacking spring, the limiting check block, the insection fixing groove, the T-shaped sliding groove, the T-shaped sliding block, the locking bolt and the positioning check block in the pneumatic parallel clamp and the interaction among all the components, the distance between the fixed jaws can be adjusted according to the width of a part, then a switch is started, a product can be rapidly fixed, and the production efficiency is improved. And the vice is more convenient to use, so that the problem that the vice is inconvenient to use is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of vises, in particular to a pneumatic parallel clamp. Background Art

[0002] Currently, most vises clamp products by manually rotating the screw during product processing, which makes the device inconvenient to use and results in a slow clamping speed, thereby affecting the efficiency of product processing. At the same time, pneumatic clamps are not convenient for large-scale adjustment according to the width of the product, thereby affecting the use effect of the vise. To address the above problems, it is necessary to provide a pneumatic parallel clamp. Utility Model Content

[0003] The purpose of the present utility model is to provide a pneumatic parallel clamp to solve the problems raised in the above background technology.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] A pneumatic parallel clamp comprises a connecting base plate, the bottom of the connecting base plate is connected to a cylinder base by bolts, an air pipe joint is provided on the side walls of the connecting base plate and the cylinder base, a plurality of groups of movable pistons are connected in the inner cavity of the cylinder base and in the middle of the air pipe joint, a plurality of groups of return springs are provided on the end face of the movable piston and the bottom of the connecting base plate, a bolt pull rod is connected at the center of the end face of the movable piston, a guide slider is connected on the end face of the bolt pull rod and located above the connecting base plate, a movable slider is symmetrically connected on the side wall of the guide slider and located on the end face of the connecting base plate, A lifting spring is provided between the slider and the movable slider, and a limit stop block is connected to the end surface of the connecting base plate and on both sides of the movable slider by bolts. A toothed fixing groove is provided on the end surface of the connecting base plate and on both sides of the movable slider, and a T-shaped slide groove is provided on the connecting base plate and between the toothed fixing grooves. A T-shaped slide groove is provided in the T-shaped slide groove, and a positioning stop block is connected to the end surface of the T-shaped slide block by a locking bolt. A fixed jaw is connected to the moving slider and the positioning stop block by bolts, and the bottom of the connecting base plate and on both sides of the cylinder base are connected to a fixed base by bolts.

[0006] As a preferred solution of the present invention, a penetrating vent hole is provided on the connecting base plate and the cylinder base and corresponds to the trachea joint. A pneumatic switch is connected to the trachea joint through a conduit, and a sealing ring is provided on the contact surface between the connecting base plate and the cylinder base.

[0007] As a preferred solution of the present invention, a connecting hole is provided in the inner cavity of the cylinder base and corresponds to the movable piston, wherein the movable piston and the connecting hole are connected by sliding connection, and a sealing strip is provided on the movable piston and corresponds to the inner wall of the cylinder base.

[0008] As a preferred solution of the present invention, a connecting hole is provided on the connecting base plate and corresponds to the bolt pull rod, wherein the bolt pull rod and the connecting hole are fitted with a clearance fit, and a sealing strip is provided on the connecting base plate and corresponds to the side wall of the bolt pull rod, and the connection between the bolt pull rod and the movable piston is a threaded connection.

[0009] As a preferred solution of the present invention, the guide slider is an inverted cone structure, the limit block is connected to the end face of the connecting base plate by bolts and forms a slide groove with both sides of the movable slider, wherein the connection method between the movable slider and the slide groove is a sliding connection.

[0010] As a preferred solution of the present invention, an oblique guide groove is provided on the side wall of the movable slider and corresponds to the guide slider, wherein the guide slider and the oblique guide groove are connected in a sliding manner, and a fixed tooth pattern is provided on the bottom of the positioning block and corresponds to the tooth pattern fixing groove, wherein the tooth pattern fixing groove and the fixed tooth pattern are connected in a meshing manner.

[0011] As a preferred solution of the present invention, the connection between the T-shaped slide groove and the T-shaped slider is a sliding connection, the connection between the T-shaped slider and the locking bolt is a threaded connection, and a limiting groove is provided on the end face of the positioning block and corresponds to the fixed jaw, wherein the fixed jaw and the limiting groove are matched by a clearance fit.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] The utility model discloses that a guide block, a movable block, a lifting spring, a limit block, a toothed fixing groove, a T-shaped slide groove, a T-shaped slide groove, a locking bolt and a positioning block are provided in the pneumatic parallel clamp, and the interaction between the guide block, the movable block, the lifting spring, the limit block, the toothed fixing groove, the T-shaped slide groove, the T-shaped slide groove, the locking bolt, the positioning block and the various components is utilized. When the pneumatic parallel clamp is used, the distance between the fixed jaws can be adjusted according to the width of the part. After that, the product can be quickly fixed by starting the switch, making the vise more convenient to use, thereby solving the problem of the vise being inconvenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the positive and equal side structure of the utility model;

[0015] Figure 2 For this utility model Figure 1 Schematic diagram of the explosion structure;

[0016] Figure 3 For this utility model Figure 1 Schematic diagram of part of the structure.

[0017] In the figure: 1. Connecting base plate; 2. Cylinder base; 3. Air pipe joint; 4. Moving piston; 5. Return spring; 6. Bolt pull rod; 7. Guide slider; 8. Moving slider; 9. Lifting spring; 10. Limit block; 11. Toothed fixing groove; 12. T-shaped slide; 13. T-shaped slide; 14. Locking bolt; 15. Positioning block; 16. Fixed jaws; 17. Fixed base. DETAILED DESCRIPTION

[0018] The following will combine the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0019] To facilitate 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.

[0020] 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 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.

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of this invention are for the purpose of describing specific embodiments only and are not intended to limit this invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0022] For example, please refer to Figure 1-3 , the utility model provides a technical solution:

[0023] A pneumatic parallel clamp comprises a connecting base plate 1, the bottom of the connecting base plate 1 is connected to a cylinder base 2 by bolts, an air pipe joint 3 is provided on the side walls of the connecting base plate 1 and the cylinder base 2, multiple groups of movable pistons 4 are connected in the inner cavity of the cylinder base 2 and in the middle of the air pipe joint 3, multiple groups of return springs 5 ​​are provided on the end face of the movable piston 4 and the bottom of the connecting base plate 1, a bolt pull rod 6 is connected to the center of the end face of the movable piston 4, a guide slider 7 is connected to the end face of the bolt pull rod 6 and located above the connecting base plate 1, and a movable slider 8 is symmetrically connected to the side wall of the guide slider 7 and located on the end face of the connecting base plate 1, and the guide slider 7 and the movable slider are symmetrically connected. 8 is provided with a jacking spring 9, a limit stopper 10 is connected to the end surface of the base plate 1 and located on both sides of the moving slider 8 by bolts, a toothed fixing groove 11 is provided on the end surface of the base plate 1 and located on both sides of the moving slider 8, a T-shaped slide groove 12 is provided on the base plate 1 and located between the toothed fixing grooves 11, a T-shaped slide groove 12 is provided, a T-shaped slide block 13 is provided in the T-shaped slide groove 12, a positioning block 15 is connected to the end surface of the T-shaped slide block 13 by a locking bolt 14, a fixing jaw 16 is connected to the moving slider 8 and the positioning block 15 by bolts, and a fixing base 17 is connected to the bottom of the base plate 1 and located on both sides of the cylinder base 2 by bolts;

[0024] In this embodiment, reference Figure 1 、 Figure 2 、 Figure 3The locking bolt 14 is loosened by a wrench under the condition that the connection mode of the T-shaped slide groove 12 and the T-shaped slider 13 is a sliding connection, and the connection mode of the T-shaped slider 13 and the locking bolt 14 is a threaded connection, so that the T-shaped slider 13 moves in the T-shaped slide groove 12, thereby adjusting the distance between the positioning block 15 and the moving slider 8. After adjustment, the locking bolt 14 is turned by a wrench, and a fixed tooth pattern is provided at the bottom of the positioning block 15 and corresponds to the tooth pattern fixing groove 11, wherein the connection mode of the tooth pattern fixing groove 11 and the fixed tooth pattern is meshed and connected to complete the mutual fixation between the positioning block 15 and the connecting base plate 1. A through vent hole is provided on the connecting base plate 1 and the cylinder base 2 and corresponds to the air pipe joint 3. A pneumatic switch is connected to the air pipe joint 3 through a conduit. A sealing ring is provided on the contact surface of the connecting base plate 1 and the cylinder base 2. A connecting hole is provided in the inner cavity of the cylinder base 2 and corresponds to the moving piston 4, wherein the connection between the moving piston 4 and the connecting hole is completed. When the pneumatic switch is activated, the movable piston 4 is moved downward, and a connecting hole is provided on the connecting base plate 1 and corresponding to the bolt pull rod 6, wherein the bolt pull rod 6 and the connecting hole are matched in a clearance fit, and a sealing strip is provided on the connecting base plate 1 and corresponding to the side wall of the bolt pull rod 6. The connection mode of the bolt pull rod 6 and the movable piston 4 is threadedly connected, driving the bolt pull rod 6 and the guide slider 7 to move downward. The guide slider 7 is an inverted cone structure, and the limit stopper 10 is connected to the end face of the connecting base plate 1 by bolts and forms a slide groove with both sides of the movable slider 8, wherein the connection mode of the movable slider 8 and the slide groove is a sliding connection, and an oblique guide slide groove is provided on the side wall of the movable slider 8 and corresponding to the guide slider 7, wherein the connection mode of the guide slider 7 and the oblique guide slide groove drives the movable slider 8 and the fixed jaw 16 to move to both sides under the condition of sliding connection;

[0025] Furthermore, a through vent hole is provided on the connecting base plate 1 and the cylinder base 2 and corresponds to the trachea joint 3. A pneumatic switch is connected to the trachea joint 3 through a conduit. A sealing ring is provided on the contact surface of the connecting base plate 1 and the cylinder base 2. A connecting hole is provided in the inner cavity of the cylinder base 2 and corresponds to the movable piston 4, wherein the movable piston 4 is connected to the connecting hole in a sliding manner, and a sealing strip is provided on the movable piston 4 and corresponds to the inner wall of the cylinder base 2. A connecting hole is provided on the connecting base plate 1 and corresponds to the bolt pull rod 6, wherein the bolt pull rod 6 and the connecting hole are matched in a clearance fit, and a sealing strip is provided on the connecting base plate 1 and corresponds to the side wall of the bolt pull rod 6. The connection between the bolt pull rod 6 and the movable piston 4 is a threaded connection, so that the movable piston 4 can operate smoothly when in use;

[0026] Furthermore, the guide slider 7 is an inverted cone-shaped structure, the limit stopper 10 is connected to the end surface of the connecting base plate 1 by bolts and forms a slide groove with both sides of the movable slider 8, wherein the movable slider 8 is connected to the slide groove in a sliding manner, and an oblique guide slide groove is provided on the side wall of the movable slider 8 and corresponds to the guide slider 7, wherein the guide slider 7 is connected to the oblique guide slide groove in a sliding manner, so that the movable slider 8 can move smoothly to both sides;

[0027] Furthermore, the bottom of the positioning block 15 is provided with fixed teeth corresponding to the toothed fixing groove 11, wherein the toothed fixing groove 11 is connected to the fixed teeth in a meshing manner, which facilitates the front and rear fixation of the positioning block 15;

[0028] Furthermore, the connection between the T-shaped chute 12 and the T-shaped slider 13 is a sliding connection, and the connection between the T-shaped slider 13 and the locking bolt 14 is a threaded connection, which facilitates the up and down positioning of the positioning block 15;

[0029] Furthermore, a limiting groove is provided on the end surface of the positioning block 15 and corresponds to the fixed jaw 16 , wherein the fixed jaw 16 and the limiting groove are fitted with a clearance fit, which facilitates the installation of the fixed jaw 16 .

[0030] The working process of the utility model is as follows: when using the pneumatic parallel clamp, first, according to the width of the product, the locking bolt 14 is loosened by a wrench under the condition that the connection mode of the T-shaped slide groove 12 and the T-shaped slider 13 is a sliding connection, and the connection mode of the T-shaped slider 13 and the locking bolt 14 is a threaded connection, so that the T-shaped slider 13 moves in the T-shaped slide groove 12, and then the distance between the positioning stopper 15 and the moving slider 8 is adjusted. After the adjustment, the locking bolt 14 is turned by a wrench, and fixed teeth are provided at the bottom of the positioning stopper 15 and corresponding to the toothed fixing groove 11, wherein the connection mode of the toothed fixing groove 11 and the fixed teeth are meshed, and the mutual fixation between the positioning stopper 15 and the connecting base plate 1 is completed;

[0031] After that, the product is placed on the fixed jaws 16. A through vent hole is opened on the connecting base plate 1 and the cylinder base 2 and corresponds to the trachea joint 3. The trachea joint 3 is connected to a pneumatic switch through a conduit. A sealing ring is provided on the contact surface between the connecting base plate 1 and the cylinder base 2. A connecting hole is opened in the inner cavity of the cylinder base 2 and corresponds to the movable piston 4. The connection mode between the movable piston 4 and the connecting hole is a sliding connection. When a sealing strip is provided on the movable piston 4 and corresponds to the inner wall of the cylinder base 2, the pneumatic switch is started, so that the movable piston 4 moves downward. A connecting hole is opened on the connecting base plate 1 and corresponds to the bolt pull rod 6. The matching mode between the bolt pull rod 6 and the connecting hole is a gap connection. The guide slider 7 is an inverted cone-shaped structure. The limit block 10 is connected to the end face of the connecting base plate 1 by bolts and forms a slide groove with both sides of the moving slider 8, wherein the connection mode of the moving slider 8 and the slide groove is a sliding connection. An oblique guide slide groove is provided on the side wall of the moving slider 8 and corresponds to the guide slider 7, wherein the connection mode of the guide slider 7 and the oblique guide slide groove is a sliding connection, which drives the moving slider 8 and the fixed jaw 16 to move to both sides, thereby clamping the product.

[0032] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pneumatic parallel clamp, comprising a connecting base plate (1), characterized in that: The bottom of the connecting base plate (1) is connected to the cylinder base (2) by bolts, and the side walls of the connecting base plate (1) and the cylinder base (2) are provided with air pipe joints (3), and multiple groups of movable pistons (4) are connected in the inner cavity of the cylinder base (2) and in the middle of the air pipe joints (3). The end faces of the movable pistons (4) and the bottom of the connecting base plate (1) are provided with multiple groups of return springs (5), and the center of the end face of the movable piston (4) is connected to a bolt pull rod (6), and a guide slider (7) is connected to the end face of the bolt pull rod (6) and located above the connecting base plate (1), and movable sliders (8) are symmetrically connected on the side walls of the guide slider (7) and located on the end face of the connecting base plate (1), and a top is provided between the guide slider (7) and the movable slider (8). A lifting spring (9) is provided. A limit stopper (10) is connected to the end surface of the connecting base plate (1) and is located on both sides of the movable slider (8) by bolts. A toothed fixing groove (11) is provided on the end surface of the connecting base plate (1) and is located on both sides of the movable slider (8). A T-shaped slide groove (12) is provided on the connecting base plate (1) and is located between the toothed fixing grooves (11). A T-shaped slider (13) is provided in the T-shaped slide groove (12). A positioning stopper (15) is connected to the end surface of the T-shaped slider (13) by a locking bolt (14). A fixed jaw (16) is connected to the movable slider (8) and the positioning stopper (15) by bolts. A fixed base (17) is connected to the bottom of the connecting base plate (1) and is located on both sides of the cylinder base (2) by bolts.

2. A pneumatic parallel clamp according to claim 1, characterized in that: Through-going vent holes are provided on the connecting base plate (1) and the cylinder base (2) and correspond to the air pipe joint (3). A pneumatic switch is connected to the air pipe joint (3) via a conduit. A sealing ring is provided on the contact surface between the connecting base plate (1) and the cylinder base (2).

3. The pneumatic parallel clamp according to claim 1, characterized in that: A connecting hole is provided in the inner cavity of the cylinder base (2) and corresponds to the movable piston (4), wherein the movable piston (4) and the connecting hole are connected in a sliding manner, and a sealing strip is provided on the movable piston (4) and corresponds to the inner wall of the cylinder base (2).

4. The pneumatic parallel clamp according to claim 1, characterized in that: A connecting hole is provided on the connecting base plate (1) and corresponds to the bolt pull rod (6), wherein the bolt pull rod (6) and the connecting hole are fitted in a clearance fit, and a sealing strip is provided on the connecting base plate (1) and corresponds to the side wall of the bolt pull rod (6), and the bolt pull rod (6) and the movable piston (4) are connected in a threaded manner.

5. The pneumatic parallel clamp according to claim 1, characterized in that: The guide slider (7) is an inverted cone-shaped structure, and the limit block (10) is connected to the end surface of the connecting base plate (1) by bolts and forms a slide groove with both sides of the movable slider (8), wherein the connection mode of the movable slider (8) and the slide groove is a sliding connection.

6. The pneumatic parallel clamp according to claim 1, characterized in that: An oblique guide slot is provided on the side wall of the movable slider (8) and corresponds to the guide slider (7), wherein the guide slider (7) and the oblique guide slot are connected in a sliding manner, and a fixed tooth pattern is provided on the bottom of the positioning block (15) and corresponds to the tooth pattern fixing slot (11), wherein the tooth pattern fixing slot (11) and the fixed tooth pattern are connected in a meshing manner.

7. The pneumatic parallel clamp according to claim 1, characterized in that: The T-shaped slide groove (12) and the T-shaped slider (13) are connected in a sliding manner, the T-shaped slider (13) and the locking bolt (14) are connected in a threaded manner, and a limiting groove is provided on the end surface of the positioning block (15) and corresponds to the fixed jaw (16), wherein the fixed jaw (16) and the limiting groove are matched in a clearance fit.

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