Auxiliary clamp for machine tool

Abstract

The utility model discloses an auxiliary clamp for a machine tool, which comprises a bench vice, a first clamping component is arranged on a jaw on one side of the bench vice, a second clamping component is arranged on a jaw on the other side of the bench vice, and a workpiece can be clamped through the matching of the first clamping component and the second clamping component; an angle adjusting module is further arranged on the jaw, on the same side as the second clamping assembly, of the bench vice, and the second clamping assembly can be obliquely fixed at multiple angles through adjustment of the angle adjusting module. According to the bench vice, the rotatable clamping plate and the angle adjusting module capable of adjusting the rotating angle are arranged on the jaw of the bench vice, so that a workpiece can be clamped at different inclination angles, and the application range of the bench vice is widened; and secondly, by arranging a dial, the accuracy during angle adjustment is effectively improved, and therefore the machining quality of the workpiece is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of machining, and in particular relates to an auxiliary clamp for a machine tool. Background Art

[0002] A fixture is a device used to fix the object to be processed in the mechanical manufacturing process so that it occupies the correct position for construction or inspection; in a broad sense, any device used to quickly, conveniently and safely install the workpiece in any process of the process can be called a fixture. For example, welding fixtures, inspection fixtures, assembly fixtures, machine tool fixtures, etc. Among them, machine tool fixtures are the most common and are often referred to as fixtures. When processing a workpiece on a machine tool, the surface of the workpiece must meet the technical requirements of size, geometry, and relative position accuracy with other surfaces specified in the drawing.

[0003] At present, in the process of machine tool processing, when traditional clamps are used to clamp the workpiece, it is unable to meet the requirements of clamping the workpiece at various inclination angles, causing inconvenience in clamping the workpiece. Utility Model Content

[0004] In order to solve the problems existing in the prior art, the utility model aims to provide an auxiliary clamp for a machine tool to meet the clamping requirements of workpieces with different inclination angles.

[0005] In order to achieve the above technical objectives and effects, the utility model is implemented through the following technical solutions:

[0006] An auxiliary clamp for a machine tool comprises a bench vise, wherein a first clamping assembly is arranged on one jaw of the bench vise, and a second clamping assembly is arranged on the other jaw of the bench vise, and a workpiece can be clamped by the cooperation of the first clamping assembly and the second clamping assembly; an angle adjustment module is also arranged on the jaw of the bench vise on the same side as the second clamping assembly, and the second clamping assembly can be tilted and fixed at multiple angles by adjusting the angle adjustment module.

[0007] Furthermore, the first clamping assembly includes a first clamping plate, a first connecting shaft is disposed on the first clamping plate, and a rotatable first connecting rod is passed through the first connecting shaft.

[0008] Furthermore, the clamping surface of the first clamping plate is provided with anti-slip grooves.

[0009] Furthermore, the second clamping assembly includes a second clamping plate, a second connecting shaft is arranged on the second clamping plate, a second connecting rod is passed through the second connecting shaft, the second connecting shaft and the second connecting rod are key-connected, and gear teeth are radially arranged on the middle outer surface of the second connecting shaft.

[0010] Furthermore, the clamping surface of the second clamping plate is provided with anti-slip grooves.

[0011] Furthermore, a dial is provided on the jaw side wall on the same side as the second clamping assembly.

[0012] Furthermore, an arrow matching the scale plate is provided on the end surface of the second connecting rod.

[0013] Furthermore, the angle adjustment module includes a gear, a rotating shaft is passed through the gear, the gear and the rotating shaft are key-connected, and the outer surface of one end of the rotating shaft is hexagonal.

[0014] The beneficial effects of the utility model are as follows: the utility model realizes the clamping of workpieces with different inclination angles by arranging a rotatable clamping plate and an angle adjustment module that can adjust the rotation angle on the jaws of the bench vise, thereby improving the application range of the bench vise; secondly, by arranging a dial, the accuracy of angle adjustment is effectively improved, thereby ensuring the processing quality of the workpiece.

[0015] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with the accompanying drawings. The specific implementation method of the utility model is given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 This is a schematic structural diagram of the first embodiment of the clamp of the utility model;

[0018] Figure 2 This is a schematic structural diagram of a second embodiment of the clamp of the utility model;

[0019] Figure 3 This is an enlarged view of the dial of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the first clamping assembly of the utility model;

[0021] Figure 5 This is a schematic diagram of the installation of the first clamping assembly of the utility model;

[0022] Figure 6 This is a schematic diagram of the connection between the second clamping assembly and the angle adjustment module of the utility model;

[0023] Figure 7 For this utility model Figure 6 Structural diagram;

[0024] Figure 8 This is a schematic diagram of the installation of the second clamping assembly of the utility model;

[0025] Fig. 9 This is a schematic diagram of the installation of the angle adjustment module of the utility model;

[0026] Fig.10 This is a schematic diagram of clamping a workpiece according to the utility model.

[0027] Explanation of the numbers in the figure: 1. bench vise; 2. first clamping assembly; 3. second clamping assembly; 4. angle adjustment module; 5. dial; 6. anti-slip pattern; 7. arrow; 201. first clamping plate; 202. first connecting shaft; 203. first connecting rod; 301. second clamping plate; 302. second connecting shaft; 303. second connecting rod; 304. gear teeth; 401. gear; 402. rotating shaft. DETAILED DESCRIPTION

[0028] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0029] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, upper end, lower end, top, bottom...) are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0030] First embodiment

[0031] See also Figure 1 As shown, an auxiliary clamp for a machine tool comprises a bench vise 1, wherein a first clamping assembly 2 is arranged on the fixed jaw side of the bench vise 1, and a second clamping assembly 3 is arranged on the movable jaw side, and the workpiece can be clamped by the cooperation of the first clamping assembly 2 and the second clamping assembly 3; an angle adjustment module 4 is also arranged on the movable jaw side of the bench vise 1 on the same side as the second clamping assembly 3, and the second clamping assembly 3 can be tilted and fixed at multiple angles by adjusting the angle adjustment module 4.

[0032] For further information, see Figure 4As shown, the first clamping assembly 2 includes a first clamping plate 201, and the first clamping plate 201 is provided with a first connecting shaft 202 integrally formed therewith, and a rotatable first connecting rod 203 is passed through the first connecting shaft 202, that is, the first connecting shaft 202 can rotate on the first connecting rod 203, so the first clamping plate 201 can rotate freely relative to the first connecting rod 203; when installing, refer to Figure 5 As shown, the two ends of the first connecting rod 203 are connected to the fixed jaws of the bench vise 1, wherein it should be noted that the "connection" here can be a fixed connection or a rotatable connection, and in this embodiment, threaded holes are respectively opened on the outer surfaces of the two ends of the first connecting rod 203, and after the two ends are passed through the fixed jaws of the bench vise 1, they are locked by countersunk screws to achieve fixed connection with the fixed jaws of the bench vise 1. In order to prevent the first clamping plate 201 from sliding with the workpiece when clamping the workpiece, which affects the processing accuracy, the clamping surface of the first clamping plate 201 is provided with anti-slip grooves 6.

[0033] For further information, see Figure 6 As shown, the second clamping assembly 3 includes a second clamping plate 301, on which a second connecting shaft 302 integrally formed therewith is disposed, and a second connecting rod 303 is passed through the second connecting shaft 302, and the second connecting shaft 302 and the second connecting rod 303 are key-connected, and the second connecting rod 303 and the second connecting shaft 302 are synchronously rotated by the key connection. In this embodiment, the second connecting shaft 302 and the second connecting rod 303 are spline-connected, and the middle outer surface of the second connecting shaft 302 is radially provided with gear teeth 304; during installation, refer to Figure 8 As shown, both ends of the second connecting rod 303 are rotatably connected to the movable jaws of the bench vise 1 through corresponding bearings; when adjusting, the inclination angle of the second clamping plate 301 is adjusted by rotating the second connecting shaft 302; wherein, in order to prevent the first clamping plate 201 and the workpiece from sliding when clamping the workpiece, thereby affecting the machining accuracy, the clamping surface of the second clamping plate 301 is also provided with anti-slip grooves 6; and in order to facilitate more intuitive observation of the inclination angle of the second clamping plate 301, see Figure 1 , Figure 3 and Figure 7 As shown, a dial 5 is provided on the side wall of the movable jaw on the same side as the second clamping assembly 3 , and the arrow 7 matched with the dial 5 is provided on the end surface of the second connecting rod 303 .

[0034] For further information, see Figure 6As shown, the angle adjustment module 4 includes a gear 401, a rotating shaft 402 is passed through the gear 401, and the gear 401 and the rotating shaft 402 are key-connected to achieve synchronous rotation of the gear 401 and the rotating shaft 402 through the key connection. In this embodiment, the gear 401 and the rotating shaft 402 are spline-connected, and the outer surface of one end of the rotating shaft 402 is hexagonal; when installing, refer to Fig. 9 As shown, the rotating shaft 402 is rotatably connected to the movable jaw of the bench vise 1 through a corresponding bearing. At this time, the gear 401 is meshed and connected with the gear teeth 304 arranged on the middle outer surface of the second connecting shaft 302; when adjusting the angle, the hexagonal outer surface of the rotating shaft 40 is clamped by a wrench to drive the rotating shaft 402 to rotate, thereby driving the gear 401 and the rotating shaft 402 to rotate synchronously, thereby driving the second connecting shaft 302 to rotate, and then realizing the adjustment of the inclination angle of the second clamping plate 301. At the same time, the rotating second connecting shaft 302 drives the second connecting rod 303 to rotate synchronously with it, thereby driving the arrow 7 to rotate in the dial 5, thereby realizing the control of the inclination angle adjustment of the second clamping plate 301, and after the angle is in place, the rotation of the rotating shaft 40 is stopped; wherein, by driving the rotating shaft 40 to rotate counterclockwise or clockwise, the inclination angle of the second clamping plate 301 is increased or decreased.

[0035] Second embodiment

[0036] See also Figure 2 As shown, an auxiliary clamp for a machine tool comprises a bench vise 1, wherein a first clamping assembly 2 is arranged on the movable jaw side of the bench vise 1, and a second clamping assembly 3 is arranged on the fixed jaw side, and the workpiece can be clamped by the cooperation of the first clamping assembly 2 and the second clamping assembly 3; an angle adjustment module 4 is also arranged on the fixed jaw side of the bench vise 1 on the same side as the second clamping assembly 3, and the second clamping assembly 3 can be adjusted by the angle adjustment module 4 to achieve multi-angle tilt fixation.

[0037] For further information, see Figure 4 As shown, the first clamping assembly 2 includes a first clamping plate 201, and the first clamping plate 201 is provided with a first connecting shaft 202 integrally formed therewith, and a rotatable first connecting rod 203 is passed through the first connecting shaft 202, that is, the first connecting shaft 202 can rotate on the first connecting rod 203, so the first clamping plate 201 can rotate freely relative to the first connecting rod 203; when installing, refer to Figure 5As shown, the two ends of the first connecting rod 203 are connected to the movable jaws of the bench vise 1, wherein it should be noted that the "connection" here can be a fixed connection or a rotatable connection, and in this embodiment, threaded holes are respectively opened on the outer surfaces of the two ends of the first connecting rod 203, and after the two ends are passed through the movable jaws of the bench vise 1, they are locked by countersunk screws to achieve fixed connection with the movable jaws of the bench vise 1. In order to prevent the first clamping plate 201 from sliding with the workpiece when clamping the workpiece, which affects the processing accuracy, the clamping surface of the first clamping plate 201 is provided with anti-slip grooves 6.

[0038] For further information, see Figure 6 As shown, the second clamping assembly 3 includes a second clamping plate 301, on which a second connecting shaft 302 integrally formed therewith is disposed, and a second connecting rod 303 is passed through the second connecting shaft 302, and the second connecting shaft 302 and the second connecting rod 303 are key-connected, and the second connecting rod 303 and the second connecting shaft 302 are synchronously rotated by the key connection. In this embodiment, the second connecting shaft 302 and the second connecting rod 303 are spline-connected, and the middle outer surface of the second connecting shaft 302 is radially provided with gear teeth 304; during installation, refer to Figure 8 As shown, both ends of the second connecting rod 303 are rotatably connected to the fixed jaws of the bench vise 1 through corresponding bearings; when adjusting, the inclination angle of the second clamping plate 301 is adjusted by rotating the second connecting shaft 302; wherein, in order to prevent the first clamping plate 201 and the workpiece from sliding when clamping the workpiece, thereby affecting the machining accuracy, the clamping surface of the second clamping plate 301 is also provided with anti-slip grooves 6; and in order to facilitate more intuitive observation of the inclination angle of the second clamping plate 301, see Figure 2 , Figure 3 and Figure 7 As shown, a scale plate 5 is arranged on the side wall of the fixed jaw on the same side as the second clamping assembly 3 , and the arrow 7 matched with the scale plate 5 is arranged on the end surface of the second connecting rod 303 .

[0039] For further information, see Figure 6 As shown, the angle adjustment module 4 includes a gear 401, a rotating shaft 402 is passed through the gear 401, and the gear 401 and the rotating shaft 402 are key-connected to achieve synchronous rotation of the gear 401 and the rotating shaft 402 through the key connection. In this embodiment, the gear 401 and the rotating shaft 402 are spline-connected, and the outer surface of one end of the rotating shaft 402 is hexagonal; when installing, refer to Fig. 9As shown, the rotating shaft 402 is rotatably connected to the fixed jaw of the bench vise 1 through a corresponding bearing. At this time, the gear 401 is meshed and connected with the gear teeth 304 set on the middle outer surface of the second connecting shaft 302; when adjusting the angle, the hexagonal outer surface of the rotating shaft 40 is clamped by a wrench to drive the rotating shaft 402 to rotate, thereby driving the gear 401 and the rotating shaft 402 to rotate synchronously, thereby driving the second connecting shaft 302 to rotate, and then realizing the adjustment of the inclination angle of the second clamping plate 301. At the same time, the rotating second connecting shaft 302 drives the second connecting rod 303 to rotate synchronously with it, thereby driving the arrow 7 to rotate in the dial 5, thereby realizing the control of the inclination angle adjustment of the second clamping plate 301, and after the angle is in place, the rotation of the rotating shaft 40 is stopped; wherein, by driving the rotating shaft 40 to rotate counterclockwise or clockwise, the inclination angle of the second clamping plate 301 is increased or decreased.

[0040] The working principle of the utility model is as follows:

[0041] When clamping the workpiece, refer to Fig.10 As shown in the figure (label a in the figure represents the clamp; label b in the figure represents the workpiece), first confirm the inclination angle of the workpiece clamping; then adjust the inclination angle of the second clamping plate 301; then drive the movable jaw of the bench vise 1 to move closer to the fixed jaw, so that the distance between the first clamping plate 201 and the second clamping plate 301 is slightly larger than the width of the workpiece; then place the workpiece between the first clamping plate 201 and the second clamping plate 301; then drive the movable jaw of the bench vise 1 to move closer to the fixed jaw again to complete the clamping of the workpiece.

[0042] It should be noted that since the first clamping plate 201 can rotate freely relative to the first connecting rod 203, in order to ensure the adjustment of the distance between the first clamping plate 201 and the second clamping plate 301, and the placement of the workpiece, it is necessary to manually rotate the first clamping plate 201 so that it is as parallel as possible to the second clamping plate 301, and then hold it and adjust it and place the workpiece.

[0043] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An auxiliary fixture for a machine tool, comprising a vise (1), characterized in that: A first clamping assembly (2) is arranged on one side of the jaws of the bench vise (1), and a second clamping assembly (3) is arranged on the other side of the jaws, and the workpiece can be clamped by the cooperation of the first clamping assembly (2) and the second clamping assembly (3); an angle adjustment module (4) is also arranged on the jaws of the bench vise (1) on the same side as the second clamping assembly (3), and the second clamping assembly (3) can be tilted and fixed at multiple angles by adjusting the angle adjustment module (4); The second clamping assembly (3) comprises a second clamping plate (301), a second connecting shaft (302) is arranged on the second clamping plate (301), a second connecting rod (303) is passed through the second connecting shaft (302), the second connecting shaft (302) and the second connecting rod (303) are key-connected, and a gear tooth (304) is radially arranged on the middle outer surface of the second connecting shaft (302); The angle adjustment module (4) comprises a gear (401), a rotating shaft (402) is passed through the gear (401), the gear (401) and the rotating shaft (402) are key-connected, and the outer surface of one end of the rotating shaft (402) is hexagonal.

2. The auxiliary fixture for machine tools according to claim 1, characterized in that: The first clamping assembly (2) comprises a first clamping plate (201), a first connecting shaft (202) is arranged on the first clamping plate (201), and a first rotatable connecting rod (203) is passed through the first connecting shaft (202).

3. The auxiliary fixture for machine tools according to claim 2, characterized in that: The clamping surface of the first clamping plate (201) is provided with anti-slip grooves (6).

4. The auxiliary fixture for machine tools according to claim 1, characterized in that: The clamping surface of the second clamping plate (301) is provided with anti-slip grooves (6).

5. The auxiliary fixture for machine tools according to claim 1, characterized in that: A scale plate (5) is provided on the side wall of the jaws on the same side as the second clamping assembly (3).

6. The auxiliary fixture for machine tools according to claim 5, characterized in that: An arrow (7) matching the scale plate (5) is arranged on the end surface of the second connecting rod (303).

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