Adjustable eccentric clamp of numerical control machine tool

Abstract

The utility model relates to the field of numerical control machine tools, and discloses a numerical control machine tool adjustable eccentric clamp which comprises a rotating disc, a moving table is slidably connected to the upper surface of the rotating disc, two clamping plates are slidably connected to the upper surface of the moving table, and a side edge groove is formed in the side surface of the moving table; the upper surface of the rotating disc is fixedly connected with a measuring plate, the moving table slides relative to the side surface of the measuring plate, the upper surface of the measuring plate is provided with scale marks, and the upper surface of the moving table is provided with a marking line; according to different eccentricity of the eccentric workpiece to be machined, the eccentric workpiece can be precisely moved by a certain distance, the axis of the eccentric workpiece is made to horizontally move by a certain distance relative to the axis of the rotating disc, and therefore the eccentricity is precisely adjusted, and the eccentric workpiece clamping device is suitable for stably clamping and fixing workpieces with different eccentricity.

Description

Technical Field

[0001] The present application relates to the field of numerically controlled machine tools, and in particular to an adjustable eccentric clamp for numerically controlled machine tools. Background Art

[0002] In the CNC machine tool processing process, eccentric fixtures are one of the important tooling fixtures and are widely used for parts with eccentric characteristics. At present, the eccentric fixtures commonly found on the market mostly adopt a fixed design, that is, once the eccentricity of the fixture is set, it is difficult to adjust it. It is difficult to accurately adjust the eccentricity according to the different eccentric workpieces. When processing workpieces with different eccentricity requirements, it is often necessary to replace the entire fixture. It is difficult to stably clamp eccentric workpieces with different eccentricity. This not only reduces the versatility and production efficiency of the device, but also increases production costs.

[0003] In view of the above-mentioned related technologies, the inventor believes that the eccentric clamp of CNC machine tools has the defect that it is difficult to accurately adjust the eccentricity, resulting in the inability to stably clamp eccentric workpieces with different eccentricities.

[0004] The above information disclosed in this background technology is only used to increase the understanding of the background technology of this application. Therefore, it may contain information that does not constitute the prior art known to ordinary technicians in this field. Utility Model Content

[0005] In order to solve the problem that it is difficult to accurately adjust the eccentricity of the eccentric clamp of the CNC machine tool, which makes it difficult to stably clamp eccentric workpieces with different eccentricities, the present application provides an adjustable eccentric clamp for the CNC machine tool.

[0006] The present application provides an adjustable eccentric fixture for CNC machine tools that adopts the following technical solution:

[0007] An adjustable eccentric clamp for a CNC machine tool comprises a rotating disk, the upper surface of which is slidably connected to a movable platform, the upper surface of which is slidably connected to two clamping plates, the side surface of which is provided with side grooves, the upper surface of which is fixedly connected to a measuring plate, and the movable platform slides relative to the side surface of the measuring plate, the upper surface of which is provided with scale lines, and the upper surface of the movable platform is provided with alignment lines.

[0008] Preferably, a first sliding groove is provided on the upper surface of the movable platform, and sliders are fixedly connected to the lower surfaces of the two clamping plates, and the two sliders slide relative to the inner wall of the first sliding groove.

[0009] Preferably, the inner wall of the first sliding groove is rotatably connected to a double-headed screw, and the outer surface of the double-headed screw is relatively screwed with the two sliding blocks.

[0010] Preferably, a second sliding groove is provided on the upper surface of the rotating disk, an inner wall of the second sliding groove is fixedly connected to a limiting column, and an outer surface of the limiting column slides relative to the moving platform.

[0011] Preferably, a third sliding groove is provided on the upper surface of the rotating disk, an inner wall of the third sliding groove is rotatably connected to a ball screw, and an outer surface of the ball screw is relatively screwed with the movable platform.

[0012] In summary, this application has the following beneficial technical effects:

[0013] By setting up a movable table, a clamping plate, a side groove and a measuring plate for use together, the eccentric workpiece can be accurately moved a certain distance according to the different eccentricities of the eccentric workpiece to be processed, so that the axis of the eccentric workpiece is translated a certain distance relative to the axis of the rotating disk, thereby accurately adjusting the eccentricity, and then accurately processing eccentric holes of eccentric workpieces with different eccentricities; compared with the existing technology, the eccentricity can be accurately adjusted, so that it is suitable for the effect of stably clamping and fixing workpieces with different eccentricities. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is an overall schematic diagram of an embodiment of the application;

[0015] Figure 2 It is a schematic diagram of clamping an eccentric workpiece;

[0016] Figure 3 yes Figure 1 Enlarged schematic diagram of point A.

[0017] Explanation of the accompanying reference numerals: 1. rotating disk; 2. moving platform; 3. clamping plate; 4. side groove; 5. measuring plate; 6. first slide groove; 7. slider; 8. double-headed screw; 9. second slide groove; 10. limiting column; 11. third slide groove; 12. ball screw. DETAILED DESCRIPTION

[0018] The following is combined with Figure 1-3 This application is described in further detail.

[0019] The embodiment of the present application discloses an adjustable eccentric clamp for a CNC machine tool. Figure 1 、 Figure 2 、 Figure 3, including a circular plate-shaped rotating disk 1. When the eccentric workpiece needs to be clamped, the device is placed on the CNC rotating shaft, so that the clamping components on the machine tool stably clamp and fix the rotating disk 1, so that the axis of the rotating disk 1 is aligned with the axis of the CNC rotating shaft, and a rectangular parallelepiped moving table 2 is slidably connected to the upper surface of the rotating disk 1, so that the clamped eccentric workpiece is driven to move by moving the moving table 2, so that the axis of the eccentric workpiece is translated a certain distance relative to the axis of the rotating disk 1, so that the eccentricity of the eccentric workpiece can be accurately adjusted, so as to subsequently accurately process the eccentric hole of the eccentric workpiece, and two clamping plates 3 are slidably connected to the upper surface of the movable table 2, so that the two clamping plates 3 slide relative to each other, so that eccentric workpieces of different sizes can be stably clamped and fixed, thereby ensuring the stability of the eccentric workpiece during processing, and A side groove 4 is provided on the side surface of the movable table 2 so that when processing an eccentric workpiece with a smaller diameter, the cutting tool is located inside the side groove 4 after passing through the eccentric hole, thereby preventing the cutting tool from affecting the movable table 2. Secondly, a rectangular measuring plate 5 is fixedly connected to the upper surface of the rotating disk 1, and the movable table 2 and the side surface of the measuring plate 5 slide relative to each other. The upper surface of the measuring plate 5 is provided with a scale line, and the upper surface of the movable table 2 is provided with a marking line. When the movable table 2 is not moved, the marking line is aligned with the 0 scale line on the measuring plate 5, and then the movable table 2 is moved a certain distance according to the different eccentricities so that the marking line is aligned with a certain value of the scale line, so that the movable table 2 can be moved accurately to process eccentric holes with different eccentricities required for the clamped workpiece, and thus eccentric workpieces with different eccentricities can be accurately processed.

[0020] Reference Figure 1 A first groove-shaped slide 6 is provided on the upper surface of the movable table 2, and a rectangular slider 7 is fixedly connected to the lower surface of the two clamps 3, and the two sliders 7 slide relative to the inner wall of the first slide 6. At the same time, a double-headed screw 8 is rotatably connected to the inner wall of the first slide 6, and the outer surface of the double-headed screw 8 is relatively screwed with the two sliders 7, so that the staff can rotate the double-headed screw 8 to drive the two sliders 7 to slide relative to each other on the inner wall of the first slide 6, thereby driving the two clamps 3 to slide relative to each other on the upper surface of the movable table 2, and thus can be used for stably clamping and fixing eccentric workpieces of different diameters, thereby improving the practicality and versatility of the device.

[0021] Reference Figure 2A second groove-shaped slide groove 9 is provided on the upper surface of the rotating disk 1, and a columnar limiting column 10 is fixedly connected to the inner wall of the second slide groove 9, and the outer surface of the limiting column 10 slides relative to the movable platform 2. Secondly, a third groove-shaped slide groove 11 is provided on the upper surface of the rotating disk 1, and a ball screw 12 is rotatably connected to the inner wall of the third slide groove 11, and the outer surface of the ball screw 12 is relatively screwed with the movable platform 2, so that the staff can rotate the ball screw 12, and at the same time, under the limiting action of the limiting column 10, the movable platform 2 is driven to slide on the upper surface of the rotating disk 1, so that it can be suitable for processing eccentric workpieces with different eccentricities.

[0022] The implementation principle of an adjustable eccentric clamp for CNC machine tools in the embodiment of the present application is as follows: the device is clamped on the cutting processing shaft of the CNC machine tool so that the axis of the rotating disk 1 is aligned with the axis of the machine tool shaft, and then the eccentric workpiece is placed on the upper surface of the movable table 2. Subsequently, the staff rotates the double-headed screw 8, thereby driving the two sliders 7 to slide relative to each other on the inner wall of the first slide 6, thereby driving the two clamping plates 3 to slide relative to each other on the upper surface of the movable table 2, and thus it can be used to stably clamp and fix eccentric workpieces of different diameters, thereby ensuring that the eccentric workpiece is fixed during processing. The stability is then maintained. According to the different eccentricities of the workpiece to be processed, the staff rotates the ball screw 12. At the same time, under the limiting action of the limiting column 10, the movable table 2 is driven to slide a certain distance on the upper surface of the rotating disk 1, so that the axis of the eccentric workpiece is translated a certain distance relative to the axis of the rotating disk 1, so that the marking line on the movable table 2 is aligned with a certain value of the scale line on the measuring plate 5, so that the movable table 2 can be moved accurately, which is suitable for stably clamping and fixing workpieces with different eccentricities, and thus can accurately process eccentric workpieces with different eccentricities.

[0023] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense, and may refer to mechanical or electrical connections, internal communication between two components, or direct connection. "Up," "down," "left," and "right" are only used to indicate relative positional relationships. When the absolute positions of the objects being described change, the relative positional relationships may also change.

[0024] Secondly: The drawings of the embodiments disclosed in this utility model only involve structures related to the embodiments disclosed in this utility model. Other structures can refer to common designs. In the absence of conflicts, the same embodiment and different embodiments of the utility model can be combined with each other.

[0025] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

[0026] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. An adjustable eccentric clamp for a CNC machine tool, comprising a rotating disk (1), characterized in that: The upper surface of the rotating disk (1) is slidably connected to a moving platform (2), the upper surface of the moving platform (2) is slidably connected to two clamping plates (3), the side surface of the moving platform (2) is provided with a side groove (4), the upper surface of the rotating disk (1) is fixedly connected to a measuring plate (5), and the moving platform (2) and the side surface of the measuring plate (5) slide relative to each other, the upper surface of the measuring plate (5) is provided with a scale line, and the upper surface of the moving platform (2) is provided with a marking line.

2. The adjustable eccentric clamp for CNC machine tools according to claim 1, characterized in that: A first sliding groove (6) is provided on the upper surface of the movable platform (2), and sliders (7) are fixedly connected to the lower surfaces of the two clamping plates (3), and the two sliders (7) slide relative to the inner wall of the first sliding groove (6).

3. The adjustable eccentric clamp for CNC machine tools according to claim 2, characterized in that: The inner wall of the first sliding groove (6) is rotatably connected to a double-headed screw (8), and the outer surface of the double-headed screw (8) is relatively screwed with the two sliding blocks (7).

4. The adjustable eccentric clamp for CNC machine tools according to claim 1, characterized in that: A second sliding groove (9) is provided on the upper surface of the rotating disk (1), the inner wall of the second sliding groove (9) is fixedly connected to a limiting column (10), and the outer surface of the limiting column (10) slides relative to the moving platform (2).

5. The adjustable eccentric clamp for CNC machine tools according to claim 1, characterized in that: A third slide groove (11) is provided on the upper surface of the rotating disk (1), and the inner wall of the third slide groove (11) is rotatably connected to a ball screw (12), and the outer surface of the ball screw (12) is relatively screwed with the movable platform (2).

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