Pneumatic vice quick-change jaw double-clamping structure

CN224643335UActive Publication Date: 2026-08-18T2 TOOL & MOLD INC
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Patent Information

Application Number
CN202521604744.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-30
Publication Date
2026-08-18
Estimated Expiration
2035-07-30

AI Technical Summary

Technical Problem

[0002]传统的虎钳在使用的时候需要通过人工对单个工件进行夹紧或松开,在此过程中影响工件的加工效率,并且在夹持产品加工的时候,由于钳口通过螺栓进行固定,在更换钳口时,不是非常的方便,影响钳口更换的效率,针对以上问题,需要提供气动虎钳快换钳口双夹结构

Benefits of technology

本实用新型中,通过在气动虎钳快换钳口双夹结构中设置驱动活塞,驱动活塞经过传动结构使得两组工件能够自动的被夹紧或松开,让工件在加工时,能够提高工件的加工效率,并且通过转动锥形螺栓能够快速的更换不同的钳口,让工件在加工的时,能够根据加工的需求快速的更换不同的钳口夹持,进而让装置在使用的时候更加的方便。

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Abstract

The utility model relates to the technology field of vice, especially for pneumatic vice quick change mouth of tongs double -clamp structure, including fixed connecting seat, its characterized in be: the end face of fixed connecting seat is connected with multiple groups of link connecting seat, the inner chamber of fixed connecting seat and link connecting seat is closed and is connected with drive piston, the end face of link connecting seat is opened and has guide sliding slot, the guide sliding block that is provided with in guide sliding slot is symmetrical, the utility model discloses drive piston is set up in the pneumatic vice quick change mouth of tongs double -clamp structure, and drive piston makes two groups of workpieces can be clamped or loosened automatically through transmission structure, lets workpiece when processing, can improve the processing efficiency of workpiece, and through the quick change of different mouth of tongs of rotating conical bolt, lets workpiece when processing, can according to the demand of processing quick change different mouth of tongs clamping, and then let the device be more convenient when using.
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Description

Technical Field

[0001] This utility model relates to the field of vise technology, specifically to a pneumatic vise with a quick-change double-clamp structure. Background Technology

[0002] Traditional vises require manual clamping or loosening of individual workpieces during use, which affects the processing efficiency. Furthermore, the jaws are fixed with bolts, making jaw replacement inconvenient and inefficient. To address these issues, a pneumatic vise with a quick-change jaw dual-clamp structure is needed. Utility Model Content

[0003] The purpose of this invention is to provide a quick-change double-clamp structure for pneumatic vises to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: A pneumatic vise with a quick-change double-jaw structure, including a fixed connecting base, is characterized in that: multiple sets of connecting seats are connected to the end face of the fixed connecting base; a drive piston is connected to the inner cavity of the fixed connecting base and the connecting seats that are closed; a guide groove is formed on the end face of the connecting seat; guide sliders are symmetrically arranged in the guide groove; a slider oblique groove is formed on the opposite side wall of the guide slider; a tensioning oblique block is correspondingly arranged in the slider oblique groove; a screw guide hole is formed at the center of the tensioning oblique block; a push-pull screw is arranged in the screw guide hole; one end of the push-pull screw is connected to the drive piston. The pistons are connected, and a movable jaw is connected to the end face of the guide slider. A fixed jaw is connected to the end face of the connecting seat above the tensioning block by bolts. Multiple sets of pressure-boosting springs are connected between the connecting seat and the drive piston. Positioning balls are provided on the guide slider and corresponding to the movable jaw. A tapered bolt is provided on the guide slider. A movable push rod is provided on the guide slider and located on the tapered bolt. A movable push rod is symmetrically provided at one end of the movable push rod in the guide slider. A tensioning clamp is connected to the other end of the guide slider and located on the movable push rod.

[0005] As a preferred embodiment of this utility model, the fixed connecting seat is provided with a single-station connecting seat and a multi-station connecting seat. A pressure plate is provided on the end face of the connecting seat and corresponding to the guide slider. The pressure plate and the guide groove are spliced ​​together to form a T-shaped structure, and the guide groove and the guide slider are connected by a sliding connection.

[0006] As a preferred embodiment of this utility model, the tensioning inclined block and the slider inclined groove are correspondingly arranged, wherein the cross-section of the tensioning inclined block is a tower-shaped structure and the connection between the tensioning inclined block and the slider inclined groove is a sliding connection.

[0007] As a preferred embodiment of this utility model, the screw guide hole has a tapered structure, the push-pull screw is fixedly connected to the tensioning wedge block by a nut, and the side walls of the fixed connecting seat and the connecting connecting seat are provided with an air inlet and an air outlet corresponding to the drive piston, wherein the air inlet and the air outlet are connected to a control switch by a conduit.

[0008] As a preferred embodiment of this utility model, the surface of the guide slider that contacts the moving jaw is provided with dovetail grooves that can engage with each other, wherein the connection between the guide slider and the moving jaw is a sliding connection, and the bottom of the moving jaw is provided with a positioning groove corresponding to the positioning ball, wherein the positioning ball and the positioning groove are fitted with a clearance fit.

[0009] As a preferred embodiment of this utility model, the surface of the tapered bolt that contacts the movable push rod is set as a guide surface, and the guide slider has a mounting hole corresponding to the movable push rod. The movable push rod is connected to the mounting hole by a sliding connection, and the surface of the movable push rod that contacts the movable push rod is set as a guide surface.

[0010] As a preferred embodiment of this utility model, the guide slider has a mounting hole corresponding to the movable push rod, wherein the movable push rod is connected to the mounting hole by a sliding connection, the surface of the movable push rod that contacts the tensioning block is set as a guide surface, and the side wall of the tensioning block has a linear groove corresponding to the movable push rod.

[0011] Compared with the prior art, the beneficial effects of this utility model are: In this invention, a driving piston is installed in the quick-change double-clamp structure of the pneumatic vise. The driving piston, through a transmission structure, enables the two sets of workpieces to be automatically clamped or released, thereby improving the processing efficiency of the workpieces. Furthermore, by rotating the tapered bolt, different jaws can be quickly changed, allowing the workpieces to be clamped quickly according to processing requirements, thus making the device more convenient to use. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the isotropic structure of this utility model; Figure 2 for Figure 1 Partial structural diagram; Figure 3 for Figure 2 Partial structural diagram.

[0013] In the diagram: 1. Fixed connecting seat; 2. Connecting connecting seat; 3. Drive piston; 4. Guide groove; 5. Guide slider; 6. Slider inclined groove; 7. Tightening inclined block; 8. Screw guide hole; 9. Push-pull screw; 10. Moving jaws; 11. Fixed jaws; 12. Pressure boosting spring; 13. Positioning ball; 14. Tapered bolt; 15. Moving push rod; 16. Moving push rod; 17. Tightening clamp. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0015] To facilitate understanding of this utility model, a more comprehensive description of the utility model will be given below with reference to the accompanying drawings, and several embodiments of the utility model will be provided. However, the utility model 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 utility model more thorough and complete.

[0016] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0017] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0018] For an example, please refer to... Figure 1-3 This utility model provides a technical solution: The pneumatic vise features a quick-change double-jaw structure, including a fixed connecting seat 1. Multiple connecting seats 2 are connected to the end face of the fixed connecting seat 1. A drive piston 3 is connected to the closed inner cavity of the fixed connecting seat 1 and the connecting connecting seats 2. A guide groove 4 is provided on the end face of the connecting connecting seat 2. Guide sliders 5 are symmetrically arranged in the guide groove 4. Slider oblique grooves 6 are provided on the opposite side walls of the guide sliders 5. Tightening / straining blocks 7 are correspondingly arranged in the oblique grooves 6. A screw guide hole 8 is provided at the center of the tightening / straining block 7. A push-pull screw 9 is installed in the screw guide hole 8. One end of the push-pull screw 9 is connected to the drive piston 3. The guide sliders 5... A movable jaw 10 is connected to the end face of the connecting seat 2 and above the tensioning block 7. A fixed jaw 11 is bolted to the end face of the connecting seat 2 and above the tensioning block 7. Multiple sets of pressure-boosting springs 12 are connected between the connecting seat 2 and the drive piston 3. A positioning ball 13 is provided on the guide slider 5 and corresponding to the movable jaw 10. A tapered bolt 14 is provided on the guide slider 5. A movable push rod 15 is provided on the guide slider 5 and on the tapered bolt 14. A movable push rod 16 is symmetrically provided on one end of the guide slider 5 and on the other end of the guide slider 5 and on the other end of the movable push rod 16. A tensioning clamp 17 is connected to the other end of the guide slider 5 and on the other end of the movable push rod 16.

[0019] Example, refer to Figure 1-3 The workpiece is placed between the movable jaw 10 and the fixed jaw 11. At the same time, the drive piston 3 is activated, causing the drive end of the drive piston 3 to move downward. The tensioning inclined block 7 and the slider inclined groove 6 are correspondingly set, driving the tensioning inclined block 7 to move downward. A pressure plate is set on the end face of the connecting seat 2 and corresponding to the guide slider 5. The pressure plate and the guide groove 4 are spliced ​​to form a T-shaped structure. The guide groove 4 and the guide slider 5 are connected by a sliding connection. The tensioning inclined block 7 and the slider inclined groove 6 are correspondingly set. The cross-section of the tensioning inclined block 7 is a tower-shaped structure. Under the condition that the tensioning inclined block 7 and the slider inclined groove 6 are connected by a sliding connection, the two sets of guide sliders 204 are driven to move in opposite directions, thereby clamping the workpiece. Furthermore, the fixed connecting seat 1 is provided with a single-station connecting seat and a multi-station connecting seat, which can select different station fixtures according to the needs of use; Furthermore, a pressure plate is provided on the end face of the connecting seat 2 and corresponding to the guide slider 5. The pressure plate and the guide groove 4 are spliced ​​to form a T-shaped structure, and the guide groove 4 and the guide slider 5 are connected by a sliding connection. The tensioning wedge 7 and the slider inclined groove 6 are correspondingly provided. The cross-section of the tensioning wedge 7 is a tower-shaped structure, and the tensioning wedge 7 and the slider inclined groove 6 are connected by a sliding connection. The screw guide hole 8 is a tapered structure. The push-pull screw 9 is fixedly connected to the tensioning wedge 7 by a nut, which provides force direction conversion during use. Furthermore, air inlets and outlets are provided on the side walls of the fixed connecting seat 1 and the connecting connecting seat 2, corresponding to the drive piston 3. Control switches are connected to the air inlets and outlets via conduits, which can provide power when clamping the product. Furthermore, the guide slider 5 and the movable jaw 10 are respectively provided with dovetail grooves that can be engaged with each other. The guide slider 5 and the movable jaw 10 are connected by a sliding connection. The bottom of the movable jaw 10 is provided with a positioning groove corresponding to the positioning ball 13. The positioning ball 13 and the positioning groove are fitted by a clearance fit, which allows for the replacement of different jaws and makes clamping more convenient. Furthermore, the surface of the tapered bolt 14 that contacts the movable push rod 15 is configured as a guide surface. The guide slider 5 has a mounting hole corresponding to the movable push rod 15, wherein the movable push rod 15 is slidably connected to the mounting hole. The surface of the movable push rod 15 that contacts the movable push rod 16 is configured as a guide surface. The guide slider 5 has a mounting hole corresponding to the movable push rod 16, wherein the movable push rod 15 is slidably connected to the mounting hole. The surface of the movable push rod 16 that contacts the tightening clamp 17 is configured as a guide surface. The side wall of the tightening clamp 17 has a linear groove corresponding to the movable push rod 16, which can clamp the jaws when the tapered bolt 14 is rotated.

[0020] The working process of this utility model is as follows: When using the quick-change double-clamp structure of the pneumatic vise, the workpiece is first placed between the movable jaw 10 and the fixed jaw 11. At the same time, the drive piston 3 is activated, causing the drive end of the drive piston 3 to move downward. The tensioning wedge 7 and the slider inclined groove 6 are correspondingly set, driving the tensioning wedge 7 to move downward. A pressure plate is set on the end face of the connecting seat 2 and corresponding to the guide slider 5. The pressure plate and the guide groove 4 are spliced ​​to form a T-shaped structure, and the guide groove 4 and the guide slider 5 are connected by a sliding connection. The tensioning wedge 7 and the slider inclined groove 6 are correspondingly set. The cross-section of the tensioning wedge 7 is a tower-shaped structure and the connection between the tensioning wedge 7 and the slider inclined groove 6 is a sliding connection. Under these conditions, the two sets of guide sliders 204 are driven to move in opposite directions, thereby clamping the workpiece. Meanwhile, dovetail grooves that can interlock are provided on the surfaces of the guide slider 5 and the movable jaw 10 that are in contact with each other. The guide slider 5 and the movable jaw 10 are connected by a sliding connection. The bottom of the movable jaw 10 is provided with a positioning groove corresponding to the positioning ball 13. The positioning ball 13 and the positioning groove are fitted with a clearance fit. The surface of the tapered bolt 14 that is in contact with the movable push rod 15 is provided as a guide surface. The guide slider 5 is provided with a mounting hole corresponding to the movable push rod 15. The connection between the movable push rod 15 and the mounting hole is a sliding connection. The surface of the movable push rod 16 that contacts the movable push rod 15 is set as a guide surface. The guide slider 5 is provided with a mounting hole corresponding to the movable push rod 16. The movable push rod 15 is connected to the mounting hole in a sliding connection. The surface of the movable push rod 16 that contacts the tensioning block 17 is set as a guide surface. With the tensioning block 17 having a linear groove on its side wall corresponding to the movable push rod 16, different jaws can be changed when rotating the tapered bolt 14.

[0021] Although 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A pneumatic vice quick-change jaw double-clamping structure, comprising a fixed connecting seat (1), characterized in that: Multiple sets of connecting seats (2) are connected to the end face of the fixed connecting seat (1). A driving piston (3) is connected in the inner cavity where the fixed connecting seat (1) and the connecting connecting seat (2) are closed. A guide groove (4) is provided on the end face of the connecting connecting seat (2). A guide slider (5) is symmetrically arranged in the guide groove (4). A slider inclined groove (6) is provided on the opposite side wall of the guide slider (5). A tensioning inclined block (7) is correspondingly arranged in the slider inclined groove (6). A screw guide hole (8) is provided at the center of the tensioning inclined block (7). A push-pull screw (9) is provided in the screw guide hole (8). One end of the push-pull screw (9) is connected to the driving piston (3). A movable sliding piston is connected to the end face of the guide slider (5). The jaws (10) are bolted to the end face of the connecting seat (2) and above the tensioning block (7). Multiple sets of pressure-boosting springs (12) are connected between the connecting seat (2) and the driving piston (3). Positioning balls (13) are provided on the guide slider (5) and corresponding to the moving jaws (10). A tapered bolt (14) is provided on the guide slider (5). A moving push rod (15) is provided on the tapered bolt (14) in the guide slider (5). A moving push rod (16) is symmetrically provided at one end of the moving push rod (15) in the guide slider (5). A tensioning clamp (17) is connected to the other end of the guide slider (5) and the moving push rod (16).

2. The dual clamp structure of the pneumatic vice quick-change jaw according to claim 1, characterized in that: The fixed connecting seat (1) is provided with a single-station connecting seat and a multi-station connecting seat. The end face of the connecting connecting seat (2) is provided with a pressure plate corresponding to the guide slider (5). The pressure plate and the guide groove (4) are spliced ​​together to form a T-shaped structure. The guide groove (4) and the guide slider (5) are connected by a sliding connection.

3. The dual clamp structure of the pneumatic vice quick-change jaw according to claim 1, characterized in that: The tensioning inclined block (7) and the slider inclined groove (6) are correspondingly set, wherein the cross section of the tensioning inclined block (7) is a tower-shaped structure and the connection method between the tensioning inclined block (7) and the slider inclined groove (6) is a sliding connection.

4. The dual clamp structure of the pneumatic vice quick-change jaw according to claim 1, characterized in that: The screw guide hole (8) is a tapered structure. The push-pull screw (9) is fixedly connected to the tensioning wedge (7) by a nut. The side walls of the fixed connecting seat (1) and the connecting connecting seat (2) are provided with an air inlet and an air outlet corresponding to the drive piston (3). The air inlet and the air outlet are connected to a control switch by a conduit.

5. The dual clamp structure of the pneumatic vice quick-change jaw according to claim 1, characterized in that: The guide slider (5) and the moving jaw (10) are respectively provided with dovetail grooves that can be engaged with each other. The guide slider (5) and the moving jaw (10) are connected by a sliding connection. The bottom of the moving jaw (10) is provided with a positioning groove corresponding to the positioning ball (13). The positioning ball (13) and the positioning groove are fitted by a clearance fit.

6. The dual clamp structure of the pneumatic vice quick-change jaw according to claim 1, characterized in that: The surface of the tapered bolt (14) that contacts the movable push rod (15) is set as a guide surface. The guide slider (5) has a mounting hole corresponding to the movable push rod (15). The movable push rod (15) is connected to the mounting hole by a sliding connection. The surface of the movable push rod (15) that contacts the movable push rod (16) is set as a guide surface.

7. The pneumatic vise quick-change double-clamp structure according to claim 1, characterized in that: The guide slider (5) has a mounting hole corresponding to the movable push rod (16), wherein the movable push rod (15) is connected to the mounting hole by a sliding connection, the surface of the movable push rod (16) that contacts the tensioning block (17) is set as a guide surface, and the side wall of the tensioning block (17) has a linear groove corresponding to the movable push rod (16).