Novel hydraulic multi-station self-centering clamp

Abstract

The utility model relates to the technical field of vises, in particular to a novel hydraulic multi-station self-centering clamp, which comprises a fixed connecting seat, a plurality of groups of joining connecting seats are connected onto the end face of the fixed connecting seat, and a driving oil cylinder is connected into an inner cavity formed by closing the fixed connecting seat and the joining connecting seats. According to the novel hydraulic multi-station self-centering clamp, the driving oil cylinder is arranged in the novel hydraulic multi-station self-centering clamp, the driving oil cylinder enables a workpiece to be automatically clamped or loosened through a transmission structure, the novel hydraulic multi-station self-centering clamp is very convenient to use, and the working efficiency is improved. In addition, a multi-station self-centering clamp or a single-station self-centering clamp can be selected according to use requirements, various different clamping conditions are provided for product machining, meanwhile, the friction force between the guide sliding block and the connecting base can be reduced, and the service life of the device is prolonged while the clamping precision is improved.

Description

Technical Field

[0001] This utility model relates to the field of vise technology, specifically a novel hydraulic multi-station self-centering clamp. Background Technology

[0002] Traditional vises are mostly single-station screw-driven vises, requiring manual clamping and loosening, which is not very convenient. Furthermore, they can only clamp one product at a time, significantly increasing clamping time and affecting processing efficiency. Over time, wear occurs between the guide slider and the connecting seat, impacting processing accuracy and the vise's lifespan. To address these issues, a new type of hydraulic multi-station self-centering clamp is needed. Utility Model Content

[0003] The purpose of this invention is to provide a novel hydraulic multi-station self-centering fixture 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 novel hydraulic multi-station self-centering fixture includes a fixed connecting seat, with multiple sets of connecting connecting seats connected to the end face of the fixed connecting seat. A drive cylinder is connected to the inner cavity of the fixed connecting seat and the connecting connecting seats that are closed together. A guide groove is formed on the end face of the connecting connecting seat, and guide sliders are symmetrically arranged in the guide groove. A slider oblique groove is formed on the opposite side wall of the guide slider, and 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, and a push-pull screw is arranged in the screw guide hole. One end of the push-pull screw is connected to the drive cylinder. A fixed jaw is connected to the end face of the guide slider. A sealing cap is bolted to the end face of the connecting connecting seat and above the tensioning oblique block. An oil inlet and an oil outlet are provided on the side walls of the fixed connecting seat and the connecting connecting seat, corresponding to the drive cylinder. An oil nozzle is connected to the side wall of the guide slider.

[0006] 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, and an oil passage is opened in the inner cavity of the guide slider and corresponding to the oil nozzle, wherein an M-shaped oil passage is opened on the contact surface between the guide slider and the guide groove.

[0007] As a preferred embodiment of this utility model, a limiting groove is formed on the side wall of the connecting seat and corresponding to the tensioning inclined block, wherein the tensioning inclined block and the limiting groove are connected by a sliding connection.

[0008] As a preferred embodiment of this utility model, the connection port on the side wall of the drive cylinder is connected to the oil inlet and oil outlet via a conduit, and the oil inlet and oil outlet are connected to the hydraulic equipment via conduits.

[0009] As a preferred embodiment of this utility model, the guide groove and the guide slider are correspondingly arranged, wherein the guide groove has a T-shaped structure and the guide groove and the guide slider are connected by a sliding connection.

[0010] 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.

[0011] As a preferred embodiment of this utility model, the screw guide hole has a tapered structure, and the push-pull screw is fixedly connected to the tensioning wedge block by a nut.

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

[0013] In this invention, a drive cylinder is installed in the novel hydraulic multi-station self-centering fixture. The drive cylinder, through a transmission structure, automatically clamps or releases the workpiece, making the device very convenient to use. Furthermore, a multi-station or single-station self-centering fixture can be selected according to the application requirements, providing various clamping conditions for product processing. Simultaneously, an oil passage is provided in the inner cavity of the guide slider, corresponding to the oil nozzle. An M-shaped oil passage is provided on the contact surface between the guide slider and the guide groove, which reduces the friction between the guide slider and the connecting seat, improving clamping accuracy and extending the device's service life. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the multi-station self-centering fixture structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the single-station self-centering fixture structure of this utility model;

[0016] Figure 3 for Figure 1 Partial structural diagram;

[0017] Figure 4 for Figure 3 Partial structural diagram.

[0018] In the diagram: 1. Fixed connecting seat; 2. Connecting connecting seat; 3. Drive cylinder; 4. Guide groove; 5. Guide slider; 6. Slider inclined groove; 7. Tightening inclined block; 8. Screw guide hole; 9. Push-pull screw; 10. Fixed jaw; 11. Sealing cover; 12. Oil inlet; 13. Oil outlet; 14. Oil nozzle. Detailed Implementation

[0019] 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.

[0020] 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.

[0021] 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.

[0022] 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.

[0023] For an example, please refer to... Figure 1-4 This utility model provides a technical solution:

[0024] A novel hydraulic multi-station self-centering fixture includes a fixed connecting seat 1, multiple connecting connecting seats 2 connected to the end face of the fixed connecting seat 1, a drive cylinder 3 connected to the inner cavity of the fixed connecting seat 1 and the connecting connecting seats 2, a guide groove 4 opened on the end face of the connecting connecting seat 2, guide sliders 5 symmetrically arranged in the guide groove 4, a slider inclined groove 6 opened on the opposite side wall of the guide slider 5, a tensioning inclined block 7 correspondingly arranged in the slider inclined groove 6, a screw guide hole 8 opened at the center of the tensioning inclined block 7, a push-pull screw 9 arranged in the screw guide hole 8, one end of the push-pull screw 9 connected to the drive cylinder 3, a fixed jaw 10 connected to the end face of the guide slider 5, a sealing cover 11 bolted to the end face of the connecting connecting seat 2 above the tensioning inclined block 7, an oil inlet 12 and an oil outlet 13 corresponding to the drive cylinder 3 on the side walls of the fixed connecting seat 1 and the connecting connecting seat 2, and an oil nozzle 14 connected to the side wall of the guide slider 5.

[0025] Example, refer to Figure 1-4 The drive cylinder 3 is activated, causing its drive end to move downward. With the tensioning inclined block 7 and the slider inclined groove 6 correspondingly arranged, and the cross-section of the tensioning inclined block 7 being a tower-shaped structure and the connection between the tensioning inclined block 7 and the slider inclined groove 6 being a sliding connection, the tensioning inclined block 7 moves downward. With the guide slide 4 and the guide slider 5 correspondingly arranged, and the guide slide 4 being a T-shaped structure and the connection between the guide slide 4 and the guide slider 5 being a sliding connection, the two sets of guide sliders 204 are driven to move in opposite directions, thereby clamping the workpiece.

[0026] 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;

[0027] Furthermore, an oil passage is provided in the inner cavity of the guide slider 5 and corresponding to the oil nozzle 14. An M-shaped oil passage is provided on the contact surface between the guide slider 5 and the guide groove 4, which can reduce the friction between the guide slider 5 and the connecting seat 2 and improve the service life of the device.

[0028] Furthermore, a limiting groove is provided on the side wall of the connecting seat 2 and corresponding to the tensioning inclined block 7, wherein the tensioning inclined block 7 and the limiting groove are connected by a sliding connection, which can limit the position of the tensioning inclined block 7 when it moves up and down;

[0029] Furthermore, the connection port on the side wall of the drive cylinder 3 is connected to the oil inlet 12 and the oil outlet 13 via a conduit. The oil inlet 12 and the oil outlet 13 are connected to the hydraulic equipment via conduits, which can provide power when clamping the product.

[0030] Furthermore, the guide groove 4 and the guide slider 5 are correspondingly arranged, wherein the guide groove 4 is a T-shaped structure and the guide groove 4 and the guide slider 5 are connected by a sliding connection, which can restrict the movement direction of the guide slider 5.

[0031] Furthermore, 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 between the tensioning inclined block 7 and the slider inclined groove 6 is a sliding connection, which provides force direction conversion during use;

[0032] Furthermore, the screw guide hole 8 has a tapered structure, and the push-pull screw 208 is fixedly connected to the tensioning wedge block 206 by a nut, which can connect to the power source.

[0033] The working process of this utility model is as follows: When using the new hydraulic multi-station self-centering fixture, the workpiece is first placed between two sets of fixed jaws 10. At the same time, the drive cylinder 3 is started, causing the drive end of the drive cylinder 3 to move downward. Under the condition that the tensioning wedge 7 and the slider inclined groove 6 are correspondingly set, wherein 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, the tensioning wedge 7 moves downward. Under the condition that the guide slide 4 and the guide slider 5 are correspondingly set, wherein the guide slide 4 is a T-shaped structure and the connection between the guide slide 4 and the guide slider 5 is a sliding connection, the two sets of guide sliders 204 are driven to move in opposite directions, thereby clamping the workpiece.

[0034] 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 new type of hydraulic multi-station self-centering fixture, 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 cylinder (3) is connected to 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 drive cylinder (3). A fixed jaw (10) is connected to the end face of the guide slider (5). A sealing cover (11) is bolted to the end face of the connecting seat (2) and above the tensioning block (7). An oil inlet (12) and an oil outlet (13) are provided on the side walls of the fixed connecting seat (1) and the connecting seat (2) corresponding to the drive cylinder (3). An oil nozzle (14) is connected to the side wall of the guide slider (5).

2. The novel hydraulic multi-station self-centering fixture as claimed in claim 1, wherein: The fixed connecting seat (1) is provided with a single-station connecting seat and a multi-station connecting seat. The inner cavity of the guide slider (5) is provided with an oil passage corresponding to the oil nozzle (14). An M-shaped oil passage is provided on the contact surface between the guide slider (5) and the guide groove (4).

3. The novel hydraulic multi-station self-centering fixture of claim 1, wherein: A limiting groove is provided on the side wall of the connecting seat (2) and corresponding to the tensioning inclined block (7), wherein the tensioning inclined block (7) and the limiting groove are connected by a sliding connection.

4. The novel hydraulic multi-station self-centering fixture of claim 1, wherein: The drive cylinder (3) is connected to the oil inlet (12) and oil outlet (13) via a conduit on the side wall of the drive cylinder (3). The oil inlet (12) and oil outlet (13) are connected to the hydraulic equipment via conduits.

5. The novel hydraulic multi-station self-centering fixture of claim 1, wherein: The guide groove (4) and the guide slider (5) are provided in a corresponding manner. The guide groove (4) is a T-shaped structure and the guide groove (4) and the guide slider (5) are connected by a sliding connection.

6. The novel hydraulic multi-station self-centering fixture of claim 1, wherein: 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.

7. The novel hydraulic multi-station self-centering fixture according to claim 1, characterized in that: The screw guide hole (8) has a tapered structure, and the push-pull screw (9) is fixedly connected to the tensioning wedge (7) by a nut.

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