Pneumatic double-clamping-position self-centering vice

Abstract

The utility model relates to the technical field of vises, in particular to a pneumatic double-clamping-position self-centering vise which comprises a fixed connecting seat, a plurality of sets of pneumatic centering structures are connected to the end face of the fixed connecting seat, limiting assemblies are connected to the side walls of the fixed connecting seat and the pneumatic centering structures side by side, and each pneumatic centering structure comprises a linkage connecting seat. The pneumatic double-clamping-position self-centering jaw vice is characterized in that the linkage connecting base is connected to the end face of the fixed connecting base, and a driving air cylinder is arranged in an inner cavity of the linkage connecting base and an inner cavity of the fixed connecting base. According to the pneumatic double-clamping-position self-centering vice, the two sets of workpieces can be automatically fixed at a time through the transmission structure by means of the driving air cylinder in the pneumatic centering structure, so that in the using process of the pneumatic double-clamping-position self-centering vice, the two sets of workpieces can be automatically clamped or loosened at the same time, and then the product clamping efficiency and the workpiece machining efficiency are improved.

Description

Technical Field

[0001] This utility model relates to the field of vise technology, specifically a pneumatic double-clamp self-centering vise. Background Technology

[0002] Traditional pneumatic self-centering vises can only fix one product at a time during use, which affects the efficiency of product clamping and processing. To address these issues, a pneumatic double-clamp self-centering vise is needed. Utility Model Content

[0003] The purpose of this invention is to provide a pneumatic double-clamp self-centering vise to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A pneumatic double-clamp self-centering vise includes a fixed connecting seat, on the end face of which multiple sets of pneumatic centering structures are connected, and limit components are connected side by side on the side walls of the fixed connecting seat and the pneumatic centering structures.

[0006] The pneumatic centering structure includes a connecting seat connected to the end face of a fixed connecting seat. A driving cylinder is installed in the inner cavity of both the connecting seat and the fixed connecting seat. A limiting groove is formed on the end face of the connecting seat, and connecting sliders are symmetrically arranged in the limiting groove. A slider guide groove is formed on the opposite side wall of the connecting slider, and a tensioning wedge is correspondingly arranged in the slider guide groove. The center of the tensioning wedge is a driving pull stud located at the driving end connector of the driving cylinder. Multiple sets of serrated grooves are formed on the end face of the connecting slider, and connecting sliders are installed in the serrated grooves. A jaw base is connected to the connecting slider and above the connecting slider. A V-shaped rack is correspondingly arranged on the contact surface between the jaw base and the connecting slider. A fixed base is connected to the end face of the connecting seat and above the tensioning wedge. A sealing cover is bolted to the bottom of the fixed base and above the slider guide groove. Interchangeable clamping jaws are bolted to the jaw base and the fixed base.

[0007] As a preferred embodiment of this utility model, the limiting component includes a fixed connecting plate, which is connected to the side wall of the connecting seat. The fixed connecting plate has an elastic connecting groove, and a positioning top rod is connected to the elastic connecting groove. A tightening bolt is connected to the side wall of the fixed connecting plate and below the positioning top rod.

[0008] As a preferred embodiment of this utility model, an air inlet and an air outlet are provided on the side walls of the fixed connecting seat and the connecting connecting seat, and above and below the driving cylinder. The air inlet and the air outlet are connected to a control switch through a conduit. A sealing ring is provided between the inner cavity of the connecting connecting seat and the fixed connecting seat and the side wall of the driving cylinder.

[0009] As a preferred embodiment of this utility model, the limiting slide groove and the connecting slider are correspondingly provided, wherein the limiting slide groove is a T-shaped structure and the connection method between the limiting slide groove and the connecting slider is a sliding connection.

[0010] As a preferred embodiment of this utility model, the tensioning inclined block and the slider guide 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 guide groove is a sliding connection.

[0011] As a preferred embodiment of this utility model, the serrated groove and the connecting slider are correspondingly arranged, wherein multiple sets of V-shaped teeth are provided on the two side walls of the connecting slider, and the connection between the serrated groove and the connecting slider is a sliding connection.

[0012] As a preferred embodiment of this utility model, a positioning pin is provided between the jaw base and the fixed base and the clamping jaw, and a fixing strip is provided at the bottom of the clamping jaw. A fixing groove is provided on the end face of the jaw base and the fixed base, corresponding to the fixing strip, wherein the fixing strip and the fixing groove are fitted with a clearance fit.

[0013] As a preferred embodiment of this utility model, the elastic connecting groove and the positioning top rod are fitted with a clearance fit.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] In this invention, a pneumatic centering structure is incorporated into the pneumatic double-clamp self-centering vise. The drive cylinder within this structure, via a transmission mechanism, automatically clamps two sets of workpieces simultaneously. This allows for simultaneous and automatic clamping or loosening of both sets of workpieces during operation. Furthermore, by adjusting the distance between the connecting sliders on both sides and the fixed base, the distance between the two jaw bases and the fixed base is also adjusted, enabling the clamping of parts of different sizes and improving the efficiency of product clamping and workpiece processing. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the isotropic structure of this utility model;

[0017] Figure 2 for Figure 1 Partial structural diagram;

[0018] Figure 3 for Figure 2 Partial structural diagram;

[0019] Figure 4 This is a schematic diagram of the pneumatic centering structure of this utility model;

[0020] Figure 5 This is a schematic diagram of the limiting component structure of this utility model.

[0021] In the diagram: 1. Fixed connecting seat; 2. Pneumatic centering structure; 3. Limiting component; 201. Connecting connecting seat; 202. Drive cylinder; 203. Limiting slide groove; 204. Connecting slider; 205. Slider guide groove; 206. Tightening / loosening wedge; 207. Drive pull stud; 208. Serrated slide groove; 209. Connecting slider; 210. Jaw base; 211. V-shaped rack; 212. Fixed base; 213. Sealing cover; 214. Clamping jaws; 301. Fixed connecting plate; 302. Elastic connecting groove; 303. Positioning push rod; 304. Tightening / loosening bolt. Detailed Implementation

[0022] 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.

[0023] 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.

[0024] 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.

[0025] 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.

[0026] For an example, please refer to... Figure 1-5 This utility model provides a technical solution:

[0027] A pneumatic double-clamp self-centering vise includes a fixed connecting seat 1, with multiple sets of pneumatic centering structures 2 connected to the end face of the fixed connecting seat 1, and limit components 3 connected side by side on the side walls of the fixed connecting seat 1 and the pneumatic centering structures 2.

[0028] In this embodiment, reference Figure 1-4The pneumatic centering structure 2 includes a connecting seat 201, which is connected to the end face of a fixed connecting seat 1. A driving cylinder 202 is installed in the inner cavity of both the connecting seat 201 and the fixed connecting seat 1. A limiting groove 203 is formed on the end face of the connecting seat 201, and connecting sliders 204 are symmetrically arranged in the limiting groove 203. A slider guide groove 205 is formed on the opposite side wall of the connecting sliders 204, and a tensioning inclined block 206 is correspondingly arranged in the slider guide groove 205. The drive end connector 207 of the drive cylinder 202 is located at the core. Multiple sets of serrated grooves 208 are formed on the end face of the connecting slider 204. A connecting slider 209 is disposed within each serrated groove 208. A jaw base 210 is connected to the connecting slider 209 above the connecting slider 204. V-shaped racks 211 are correspondingly provided on the contact surface between the jaw base 210 and the connecting slider 204. A fixed base 2 is connected to the end face of the connecting seat 201 above the tensioning wedge 206. 12. A sealing cover 213 is bolted to the bottom of the fixed base 212 and above the slider guide groove 205. With interchangeable clamping jaws 214 bolted to the jaw base 210 and the fixed base 212, the distance between the two sets of jaw bases 210 can be adjusted according to the size of the workpiece. The jaw base 210 is fixed to the connecting slider 209 by bolts. After the bolts are tightened, the jaw base 210 and the connecting slider 204 engage with each other. The serrated groove 208 and the connecting slider 209 engage with each other, thereby completing the fixation between the jaw base 210 and the connecting slider 204. The clamping jaw 214 is fixed to the jaw base 210 and the fixed base 212 by bolts. The control switch of the drive cylinder 202 is activated, causing the drive end of the drive cylinder 202 to move downward, thereby driving the two sets of connecting sliders 204 and the jaw base 210 and clamping jaw 214 on the end faces of the two sets of connecting sliders 204 to move in opposite directions, thereby clamping the workpiece.

[0029] Furthermore, air inlets and outlets are provided on the side walls of the fixed connecting seat 1 and the connecting connecting seat 201, and above and below the driving cylinder 202. The air inlets and outlets are connected to a control switch via conduits. A sealing ring is provided between the inner cavity of the connecting connecting seat 201 and the fixed connecting seat 1 and the side wall of the driving cylinder 202. A limiting slide groove 203 and a connecting slider 204 are correspondingly provided. The limiting slide groove 203 has a T-shaped structure, and the connection between the limiting slide groove 203 and the connecting slider 204 is a sliding connection. A tensioning wedge 206 and a slider guide groove 205 are correspondingly provided. The tensioning wedge 206 has a tower-shaped cross-section, and the connection between the tensioning wedge 206 and the slider guide groove 205 is a sliding connection. A serrated slide groove 208 and a connecting slider 209 are correspondingly provided. Multiple sets of V-shaped teeth are provided on both sides of the 209, and the serrated slide groove 208 is connected to the connecting slider 209 in a sliding connection manner. By changing the distance between the connecting slider 209 on both sides and the fixed base 212, the distance between the two sets of jaw bases 210 and the fixed base 212 is adjusted, thereby clamping parts of different sizes. A positioning pin is provided between the jaw base 210 and the fixed base 212 and the clamping jaw 214, and a fixing strip is provided at the bottom of the clamping jaw 214. A fixing groove is provided on the end face of the jaw base 210 and the fixed base 212, corresponding to the fixing strip. The fixing strip and the fixing groove are fitted with a clearance fit. Through the interaction between the various components in the pneumatic centering structure 2, the pneumatic centering structure 2 can operate smoothly during use.

[0030] In this embodiment, reference Figure 1 and Figure 5 The limiting component 3 includes a fixed connecting plate 301, which is connected to the side wall of the connecting seat 201. The fixed connecting plate 301 has an elastic connecting groove 302, and a positioning rod 303 is connected to the elastic connecting groove 302. When a tightening bolt 304 is connected to the side wall of the fixed connecting plate 301 and below the positioning rod 303, the length of the positioning rod 303 can be adjusted by turning the tightening bolt 304, thereby facilitating the positioning of the product during clamping.

[0031] Furthermore, the elastic connecting groove 302 and the positioning top rod 303 are fitted with a clearance fit. Through the interaction between the various components in the limiting assembly 3, the limiting assembly 3 can operate smoothly during use.

[0032] A drive cylinder 202 is provided in the inner cavity of the connecting seat 201 and the fixed connecting seat 1. An air inlet and an air outlet are provided on the side walls of the fixed connecting seat 1 and the connecting seat 201, and above and below the drive cylinder 202. The air inlet and the air outlet are connected to a control switch through a conduit, so that the device generates a downward action when air is introduced, causing the connecting sliders 204 on both sides to clamp and loosen.

[0033] Among them, a limiting slide groove 203 is provided on the end face of the connecting seat 201, and a connecting slider 204 is symmetrically arranged in the limiting slide groove 203. The limiting slide groove 203 and the connecting slider 204 are correspondingly arranged. The limiting slide groove 203 has a T-shaped structure and the connection between the limiting slide groove 203 and the connecting slider 204 is a sliding connection. At this time, the function of the limiting slide groove 203 is to assist the two sets of connecting sliders 204 in clamping and loosening to ensure stable entry and exit.

[0034] The center of the tensioning wedge block 206 is the drive end connector 207 of the drive cylinder 202. Under the push and pull action of the drive cylinder 202, the tensioning block moves up and down, and drives the two sets of connecting sliders 204 to clamp and loosen. The slider guide groove 205 is connected to the tensioning wedge block 206, so that the two sets of connecting sliders 204 move in and out at the same time. V-shaped racks 211 are correspondingly provided on the contact surface between the jaw base 210 and the connecting slider 204. When fixed, the V-shaped racks 211 mesh with each other. Their function is to adjust the clamping distance and the accuracy of the front and rear positioning during repeated installation reaches 0.005mm.

[0035] The connecting slider 204 has multiple sets of serrated grooves 208 on its end face. A connecting slider 209 is provided in the serrated groove 208. A jaw base 210 is connected to the connecting slider 209 and above the connecting slider 204. The serrated grooves 208 and the connecting slider 209 are correspondingly provided. Multiple sets of V-shaped teeth are provided on the two side walls of the connecting slider 209. The connection between the serrated grooves 208 and the connecting slider 209 is a sliding connection, which is used to fix the connecting slider 204, the connecting slider 209 and the jaw base 210. The jaw base 210 can be moved to the corresponding position on both sides according to the clamping size. The jaw base 210 is installed on the slider and can be moved to the corresponding position on both sides according to the clamping size requirements.

[0036] Interchangeable clamping jaws 214 are bolted to the jaw base 210 and the fixed base 212. A positioning pin is provided between the jaw base 210 and the fixed base 212 and the clamping jaws 214. A fixing strip is provided at the bottom of the clamping jaws 214. A fixing groove is provided on the end face of the jaw base 210 and the fixed base 212, corresponding to the fixing strip. The fixing strip and the fixing groove are fitted with a clearance fit. Its function is to select different clamping jaws 214 according to the shape, size and material characteristics of the product, so as to meet the processing clamping requirements.

[0037] The bottom of the fixed base 212 and above the slider guide groove 205 is bolted with a sealing cover 213, which ensures that dust or debris will not enter the drive cylinder 202, slider guide groove 205, and limit groove 203, thus ensuring smooth movement of the mechanism components.

[0038] The limiting component 3 includes a fixed connecting plate 301, which is connected to the side wall of the connecting seat 201. The fixed connecting plate 301 has an elastic connecting groove 302, and a positioning rod 303 is connected to the elastic connecting groove 302. A tightening bolt 304 is connected to the side wall of the fixed connecting plate 301 and below the positioning rod 303. The elastic connecting groove 302 and the positioning rod 303 are in a clearance fit. The length of the positioning rod 303 can be adjusted by tightening the tightening bolt 304, thereby facilitating the positioning of the product during clamping.

[0039] The working process of this utility model is as follows: When using a pneumatic double-clamp self-centering vise, firstly, adjust the distance between the two sets of jaw bases 210 according to the size of the workpiece. Then, V-shaped racks 211 are correspondingly provided on the contact surface between the jaw bases 210 and the connecting slider 204, and serrated grooves 208 and connecting sliders 209 are correspondingly provided. Under the condition that multiple sets of V-shaped teeth are provided on the two side walls of the connecting slider 209 and the serrated grooves 208 and the connecting slider 209 are connected by a sliding connection, the jaw bases 210 are fixed to the connecting sliders 209 by bolts. After the bolts are tightened, the jaw bases 210 and the connecting sliders 204 are engaged with each other, and the serrated grooves 208 on the connecting sliders 204 are engaged with the connecting sliders 209, thereby completing the fixation between the jaw bases 210 and the connecting sliders 204.

[0040] Then, select the appropriate clamping jaws 214 according to the shape of the workpiece. Interchangeable clamping jaws 214 are bolted to the jaw base 210 and the fixed base 212. A positioning pin is provided between the jaw base 210 and the fixed base 212 and the clamping jaws 214. A fixing strip is provided at the bottom of the clamping jaws 214. A fixing groove is provided on the end face of the jaw base 210 and the fixed base 212, corresponding to the fixing strip. The clamping jaws 214 are fixed to the jaw base 210 and the fixed base 212 by bolts under the condition that the fixing strip and the fixing groove are in clearance fit.

[0041] Then, the limiting component 3 includes a fixed connecting plate 301, which is connected to the side wall of the connecting seat 201. The fixed connecting plate 301 has an elastic connecting groove 302, and a positioning rod 303 is connected to the elastic connecting groove 302. A tightening bolt 304 is connected to the side wall of the fixed connecting plate 301 and below the positioning rod 303. Under the condition that the elastic connecting groove 302 and the positioning rod 303 are in clearance fit, the length of the positioning rod 303 can be adjusted by tightening the tightening bolt 304, thereby facilitating the positioning of the product during clamping.

[0042] Finally, the two workpieces are placed between the three sets of clamping jaws 214. Air inlets and outlets are located on the side walls of the fixed connecting seat 1 and the connecting connecting seat 201, above and below the drive cylinder 202. The air inlets and outlets are connected to a control switch via conduits. When the control switch of the drive cylinder 202 is activated, the drive end of the drive cylinder 202 moves downwards. The tensioning wedge 206 and the slider guide groove 205 are correspondingly arranged. The tensioning wedge 206 has a tower-shaped cross-section and a loosening... When the tightness block 206 and the slider guide groove 205 are connected in a sliding connection, the loosening and tightening block 206 moves downward. When the limiting slide groove 203 and the connecting slider 204 are correspondingly set, and the limiting slide groove 203 is a T-shaped structure and the connection between the limiting slide groove 203 and the connecting slider 204 is a sliding connection, the two sets of connecting sliders 204 and the jaw base 210 and clamping jaw 214 on the end face of the two sets of connecting sliders 204 move in opposite directions, thereby clamping the workpiece.

[0043] 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 double-clamp self-centering vise, comprising a fixed connecting base (1), characterized in that: Multiple sets of pneumatic centering structures (2) are connected to the end face of the fixed connecting seat (1), and limit components (3) are connected side by side to the side walls of the fixed connecting seat (1) and the pneumatic centering structure (2). The pneumatic centering structure (2) includes a connecting seat (201), which is connected to the end face of the fixed connecting seat (1). A driving cylinder (202) is provided in the inner cavity of the connecting seat (201) and the fixed connecting seat (1). A limiting groove (203) is provided on the end face of the connecting seat (201). A connecting slider (204) is symmetrically arranged in the limiting groove (203). A slider guide groove (205) is provided on the opposite side wall of the connecting slider (204). A tensioning wedge (206) is correspondingly arranged in the slider guide groove (205). The center of the tensioning wedge (206) is a driving pull stud (207) at the driving end connector of the driving cylinder (202). The connecting slider (204) Multiple sets of serrated grooves (208) are provided on the end face of the ) and a connecting slider (209) is provided in the serrated groove (208). A jaw base (210) is connected on the connecting slider (209) and above the connecting slider (204). A V-shaped rack (211) is provided on the contact surface between the jaw base (210) and the connecting slider (204). A fixed base (212) is connected on the end face of the connecting seat (201) and above the tensioning wedge (206). A sealing cover (213) is bolted to the bottom of the fixed base (212) and above the slider guide groove (205). Interchangeable clamping jaws (214) are bolted to the jaw base (210) and the fixed base (212).

2. The pneumatic double-clamp self-centering vise according to claim 1, characterized in that: The limiting component (3) includes a fixed connecting plate (301), which is connected to the side wall of the connecting seat (201). The fixed connecting plate (301) has an elastic connecting groove (302), and a positioning rod (303) is connected to the elastic connecting groove (302). A tightening bolt (304) is connected to the side wall of the fixed connecting plate (301) and below the positioning rod (303).

3. The pneumatic double-clamp self-centering vise according to claim 1, characterized in that: An air inlet and an air outlet are provided on the side walls of the fixed connecting seat (1) and the connecting connecting seat (201) above and below the driving cylinder (202). The air inlet and the air outlet are connected to a control switch through a conduit. A sealing ring is provided between the inner cavity of the connecting connecting seat (201) and the fixed connecting seat (1) and the side wall of the driving cylinder (202).

4. A pneumatic double-clamp self-centering vise according to claim 1, characterized in that: The limiting slide (203) and the connecting slider (204) are configured accordingly. The limiting slide (203) is a T-shaped structure and the connection method between the limiting slide (203) and the connecting slider (204) is a sliding connection.

5. A pneumatic double-clamp self-centering vise according to claim 1, characterized in that: The tensioning inclined block (206) and the slider guide groove (205) are correspondingly arranged. The cross-section of the tensioning inclined block (206) is a tower-shaped structure and the connection between the tensioning inclined block (206) and the slider guide groove (205) is a sliding connection.

6. A pneumatic double-clamp self-centering vise according to claim 1, characterized in that: The sawtooth groove (208) and the connecting slider (209) are configured to correspond to each other. The connecting slider (209) has multiple sets of V-shaped teeth on its two side walls and the sawtooth groove (208) and the connecting slider (209) are connected by a sliding connection.

7. A pneumatic double-clamp self-centering vise according to claim 1, characterized in that: A positioning pin is provided between the jaw base (210) and the fixed base (212) and the clamping jaw (214), and a fixing strip is provided at the bottom of the clamping jaw (214). A fixing groove is provided on the end face of the jaw base (210) and the fixed base (212) corresponding to the fixing strip, wherein the fixing strip and the fixing groove are fitted with a clearance fit.

8. A pneumatic double-clamp self-centering vise according to claim 2, characterized in that: The elastic connecting groove (302) and the positioning top rod (303) are fitted with a clearance fit.

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