Adjustable machine tool clamp

By introducing a rotating disc driven by servo motors and guide groove transmission rod system into the machine tool fixture, the workpiece positioning in four directions is achieved, solving the problems of cumbersome positioning and poor stability in the prior art, and improving the positioning efficiency and adaptability to special-shaped workpieces.

CN222660825UActive Publication Date: 2025-03-25QIHE HENGZHUO ELECTRONICS CO LTD
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Patent Information

Application Number
CN202421173904.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-27
Publication Date
2025-03-25
Estimated Expiration
2034-05-27

AI Technical Summary

Technical Problem

In the prior art, the machine tool fixture is only clamped horizontally, and the stability is poor and the positioning process is cumbersome, which may lead to the inability to align the workpiece.

Method used

An adjustable machine tool fixture is designed, using a servo motor to drive the rotating disc, and the clamping block is driven by the guide groove and the transmission rod to perform four-direction positioning, simplifying the positioning process, and improving the adaptability to special-shaped workpieces through the design of arc-shaped guide grooves and buffer pads.

Benefits of technology

It improves the positioning efficiency and stability of the fixture, simplifies the operation steps, and enhances the scope of application for workpieces with irregular thickness and irregular shapes.

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Abstract

The utility model discloses an adjustable machine tool clamp, and relates to the technical field of machine tool clamps. The mounting frame is connected to the top of the workbench; the clamping assembly is used for clamping the workpiece; a mounting frame is arranged on the workbench, a clamping assembly is arranged in the mounting frame, a rotating disc rotationally connected in the mounting frame is arranged in the clamping assembly, a servo motor for driving the rotating disc to rotate is connected in the workbench, and a plurality of guide grooves are formed in the rotating disc. In the rotating process of the rotating disc, the guide groove formed in the rotating disc can rotate, then the transmission rod connected in the guide groove in a sliding mode can drive the clamping block to move towards the position close to the workpiece, the workpiece can be conveniently positioned in the four directions at the same time, the positioning efficiency is improved, and the positioning precision is improved. And the positioning stability is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of machine tool clamps, and specifically relates to an adjustable machine tool clamp. Background Art

[0002] The process of positioning and clamping a workpiece on a machine tool or fixture is called workpiece clamping. The device used to clamp the workpiece is called a machine tool fixture, or simply a fixture. It has the characteristics of compact structure and easy operation.

[0003] The existing Chinese patent (application number: CN202221596192.3) discloses a high-stability adjustable machine tool clamp, wherein fixed platforms are respectively arranged at both ends of a base plate, a movable platform is arranged at the slide groove of the base plate, the fixed platform and the movable platform are both provided with internal thread sleeves, and the fixed platform and the movable platform are both matched with a clamping assembly, the clamping assembly comprises a transverse locking screw, a sliding clamping seat, a supporting plate, a top plate and a longitudinal locking screw, the transverse locking screw cooperates with the internal thread sleeve, the transverse locking screw is connected to the sliding clamping seat through an axle seat at one end close to the base plate, the sliding clamping seat is provided with a supporting plate and a top plate at one end away from the transverse locking screw, the longitudinal locking screw is penetrated through the top plate and a pressing plate is installed, the utility model has a reasonable structure, can realize the limiting of the third point, and then further clamps it through the longitudinal locking screw, greatly improving the stability of the workpiece, and the three points can be pressed separately by the longitudinal locking screw, therefore, it is also applicable to workpieces with irregular thickness and irregular shape, and the scope of application is greatly improved.

[0004] The device is to solve the problem of poor stability in the prior art, which is only achieved by lateral clamping, and the workpiece is positioned by three rotatable locking bolts to solve the problem.

[0005] However, the above device needs to rotate three locking bolts in sequence to position the workpiece during the positioning process, and the operation steps are relatively cumbersome. In addition, during the operation, the distances of the three moving bolts may be different, resulting in the workpiece being unable to be centered.

[0006] In view of this, this application is hereby filed. Utility Model Content

[0007] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide an adjustable machine tool fixture to achieve the purpose of improving the fixture positioning efficiency and improving the centering effect.

[0008] In order to solve the above technical problems, the utility model provides an adjustable machine tool fixture, comprising:

[0009] Workbench;

[0010] A mounting frame that attaches to the top of the workbench;

[0011] A clamping assembly for clamping a workpiece;

[0012] The clamping assembly includes a rotating disk rotatably connected to the mounting frame, a servo motor driving the rotating disk to rotate is connected to the workbench, a plurality of guide grooves are provided on the rotating disk, a transmission rod is slidably connected in the guide groove, one end of the transmission rod extends to the outside of the mounting frame and is connected to a clamping block for clamping the workpiece.

[0013] Furthermore, the guide groove is arranged in an arc shape, and a plurality of the guide grooves are evenly spaced and distributed in a circular array with the central axis of the installation frame as the center. A cavity is opened in the installation frame, and the rotating disk and the transmission rod are both arranged in the cavity.

[0014] Furthermore, the installation frame is provided with a plurality of connection ports for sliding of the transmission rod, the number of the connection ports is the same as the number of the guide grooves, and the connection ports are distributed in a circular array.

[0015] Furthermore, an inspection door is hinged on one side of the workbench, a control panel is connected to one side of the workbench, and supporting legs are connected to the bottom of the workbench. There are four supporting legs, which are respectively connected to the four corners of the bottom of the workbench.

[0016] Furthermore, an auxiliary component for assisting the clamping block in clamping is provided on one side of the clamping block, and the auxiliary component includes a damper connected to one side of the clamping block, the other end of the damper is connected to a connecting seat, a buffer pad is rotatably connected to the connecting seat, a compression spring is sleeved on the damper, one end of the compression spring is connected to the clamping block, and the other end is connected to the connecting seat.

[0017] Furthermore, the shape of the buffer pad is "T"-shaped, and anti-skid particles are integrally formed on one side of the buffer pad, and the anti-skid particles are hollow.

[0018] After adopting the above technical scheme, the utility model has the following beneficial effects compared with the prior art.

[0019] 1. In the utility model, the workpiece is placed on the mounting frame, and then the servo motor is started to drive the rotating disk to rotate. During the rotation of the rotating disk, the guide groove provided on the rotating disk can rotate, and then the transmission rod slidably connected in the guide groove can drive the clamping block to move to a position close to the workpiece. This arrangement facilitates positioning of the workpiece in four directions at the same time, which not only improves the efficiency of positioning, but also improves the stability of positioning.

[0020] 2. In the utility model, when the workpiece is of irregular shape, the buffer pad can rotate to better fit the irregular workpiece, thereby facilitating the improvement of the clamping stability, and the provided damper and compression spring can be used in conjunction to provide a buffering effect to avoid damage to the workpiece due to excessive clamping force. This setting facilitates the clamping of irregular workpieces and can provide a better buffering effect during the clamping process. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings are part of the present invention and are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation on the present invention. Obviously, the accompanying drawings described below are only some embodiments. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without creative work. In the accompanying drawings:

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the overall structure of the clamping assembly in the utility model;

[0024] Figure 3 It is a front view of the utility model;

[0025] Figure 4 It is a top view of the utility model;

[0026] Figure 5 for Figure 4 A magnified view of the structure at center.

[0027] Numbers in the figure:

[0028] 1. Workbench; 2. Mounting frame; 3. Clamping assembly; 301. Rotating disk; 302. Servo motor; 303. Guide groove; 304. Transmission rod; 305. Clamping block; 4. Connecting port; 5. Control panel; 6. Support leg; 7. Auxiliary assembly; 701. Damper; 702. Connecting seat; 703. Buffer pad; 704. Compression spring.

[0029] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model but are not used to limit the scope of the utility model.

[0031] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] like Figures 1 to 5 As shown, the utility model provides an adjustable machine tool fixture.

[0034] Specifically, by Figure 1-2 Given, including:

[0035] Workbench 1;

[0036] A mounting frame 2 connected to the top of the workbench 1;

[0037] A clamping assembly 3 for clamping a workpiece;

[0038] The clamping assembly 3 includes a rotating disk 301 rotatably connected to the mounting frame 2, a servo motor 302 is connected to the workbench 1 for driving the rotating disk 301 to rotate, a plurality of guide grooves 303 are provided on the rotating disk 301, a transmission rod 304 is slidably connected in the guide groove 303, one end of the transmission rod 304 extends to the outside of the mounting frame 2 and is connected to a clamping block 305 for clamping the workpiece.

[0039] In the present invention, in order to improve the efficiency of positioning and the stability of positioning, the workpiece can be placed on the mounting frame 2, and then the servo motor 302 is started to drive the rotating disk 301 to rotate. During the rotation of the rotating disk 301, the guide groove 303 opened on the rotating disk 301 can rotate, and then the transmission rod 304 slidingly connected in the guide groove 303 can drive the clamping block 305 to move to a position close to the workpiece. This arrangement facilitates the positioning of the workpiece in four directions at the same time, which not only improves the efficiency of positioning, but also improves the stability of positioning.

[0040] Furthermore, as a specific implementation of the utility model, the utility model provides an adjustable machine tool clamp.

[0041] Specifically, Figure 2 As shown, the guide groove 303 is arranged in an arc shape, and a plurality of guide grooves 303 are evenly spaced and distributed in a circular array with the central axis of the installation frame 2 as the center. A cavity is opened in the installation frame 2, and the rotating disk 301 and the transmission rod 304 are both arranged in the cavity.

[0042] In the utility model, the arc-shaped design facilitates the transmission rod 304 to slide, and the provided cavity facilitates the installation of the rotating disk 301 and the transmission rod 304 .

[0043] Furthermore, as another specific implementation of the utility model, the utility model provides an adjustable machine tool clamp.

[0044] Specifically, Figure 1 As shown, the installation frame 2 is provided with a plurality of connection openings 4 for the transmission rod 304 to slide, the number of the connection openings 4 is the same as the number of the guide grooves 303, and the connection openings 4 are distributed in a circular array.

[0045] In the utility model, the connection port 4 is provided to guide the sliding of the transmission rod 304 and also facilitate the sliding of the transmission rod 304 on the installation frame 2 .

[0046] Furthermore, as another specific implementation of the utility model, the utility model provides an adjustable machine tool clamp.

[0047] Specifically, Figure 1 and Figure 2 As shown, an inspection door is hinged on one side of the workbench 1, a control panel 5 is connected to one side of the workbench 1, and support legs 6 are connected to the bottom of the workbench 1. There are four support legs 6, which are respectively connected to the four corners of the bottom of the workbench 1.

[0048] In the utility model, the control panel 5 is provided to facilitate the control of the electrical equipment connected to the workbench 1, and the supporting legs 6 are provided to improve the stability of the workbench 1 during operation.

[0049] Furthermore, as another specific implementation of the utility model, the utility model provides an adjustable machine tool clamp.

[0050] Specifically, Figure 1 and Figure 5As shown, an auxiliary component 7 for clamping the auxiliary clamping block 305 is provided on one side of the clamping block 305, and the auxiliary component 7 includes a damper 701 connected to one side of the clamping block 305, and the other end of the damper 701 is connected to a connecting seat 702, and a buffer pad 703 is rotatably connected to the connecting seat 702, and a compression spring 704 is sleeved on the damper 701, and one end of the compression spring 704 is connected to the clamping block 305, and the other end is connected to the connecting seat 702.

[0051] In the utility model, when clamping some special-shaped components, since the workpiece is of special shape, the buffer pad 703 can rotate during the clamping process to better fit the special-shaped workpiece, thereby facilitating the improvement of the clamping stability, and the provided damper 701 and compression spring 704 can be used in combination to provide a buffering effect to avoid damage to the workpiece due to excessive clamping force.

[0052] Furthermore, as another specific implementation of the utility model, the utility model provides an adjustable machine tool clamp.

[0053] Specifically, Figure 5 As shown, the shape of the buffer pad 703 is "T"-shaped, and one side of the buffer pad 703 is integrally formed with anti-skid particles, and the anti-skid particles are hollow.

[0054] In the present invention, the "T" shape is provided to facilitate the rotation of the buffer pad 703, and the anti-skid particles provided improve the stability of the clamping.

[0055] Working principle: In order to improve the efficiency and stability of positioning, the workpiece can be placed on the installation frame 2, and then the servo motor 302 is started to drive the rotating disk 301 to rotate. During the rotation of the rotating disk 301, the guide groove 303 provided on the rotating disk 301 can rotate, and then the transmission rod 304 slidably connected in the guide groove 303 can drive the clamping block 305 to move to a position close to the workpiece. This setting is convenient for positioning the workpiece in four directions at the same time, which not only improves the efficiency of positioning, but also improves the stability of positioning;

[0056] When clamping some special-shaped components, since the workpiece is of special shape, the buffer pad 703 can rotate during the clamping process to better fit the special-shaped workpiece, thereby facilitating the improvement of the clamping stability. The damper 701 and compression spring 704 can be used together to provide a buffering effect to avoid damage to the workpiece due to excessive clamping force.

[0057] The above is only a preferred embodiment of the present invention, and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technician familiar with this patent can make some changes or modifications to equivalent embodiments of equivalent changes using the technical content suggested above without departing from the scope of the technical solution of the present invention. The implementation schemes in the above embodiments can also be further combined or replaced. However, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the present invention.

Claims

1. An adjustable machine tool fixture, comprising: Workbench (1); A mounting frame (2) connected to the top of the workbench (1); a clamping assembly (3) for clamping a workpiece; The invention is characterized in that the clamping assembly (3) comprises a rotating disk (301) rotatably connected to the mounting frame (2); the workbench (1) is connected to a servo motor (302) for driving the rotating disk (301) to rotate; the rotating disk (301) is provided with a plurality of guide grooves (303); a transmission rod (304) is slidably connected to the guide groove (303); one end of the transmission rod (304) extends to the outside of the mounting frame (2) and is connected to a clamping block (305) for clamping a workpiece; An auxiliary component (7) for clamping the auxiliary clamping block (305) is provided on one side of the clamping block (305), the auxiliary component (7) comprising a damper (701) connected to one side of the clamping block (305), the other end of the damper (701) being connected to a connecting seat (702), a buffer pad (703) being rotatably connected to the connecting seat (702), a compression spring (704) being sleeved on the damper (701), one end of the compression spring (704) being connected to the clamping block (305), and the other end of the compression spring (704) being connected to the connecting seat (702).

2. The adjustable machine tool fixture according to claim 1, characterized in that: The guide groove (303) is arranged in an arc shape, and a plurality of the guide grooves (303) are distributed in a circular array with equal spacing around the central axis of the installation frame (2). A cavity is provided in the installation frame (2), and the rotating disk (301) and the transmission rod (304) are both arranged in the cavity.

3. The adjustable machine tool fixture according to claim 1, characterized in that: The installation frame (2) is provided with a plurality of connection openings (4) for the transmission rod (304) to slide, the number of the connection openings (4) being the same as the number of the guide grooves (303), and the connection openings (4) being distributed in a circular array.

4. The adjustable machine tool fixture according to claim 1, characterized in that: An inspection door is hingedly connected to one side of the workbench (1), a control panel (5) is connected to one side of the workbench (1), and supporting legs (6) are connected to the bottom of the workbench (1). The supporting legs (6) are four in number and are respectively connected to the four corners of the bottom of the workbench (1).

5. The adjustable machine tool fixture according to claim 1, characterized in that: The shape of the buffer pad (703) is a "T" shape, and one side of the buffer pad (703) is integrally formed with anti-skid particles, and the anti-skid particles are hollow.

Citation Information

Patent Citations

  • High-stability adjustable machine tool clamp

    CN217702448U