Disc tailstock of numerical control machine tool

Abstract

The disc tailstock of the numerical control machine tool comprises a disc base, a supporting disc and a working disc, the supporting disc is detachably installed on the top of the disc base, the working disc is fixedly connected to the front side of the supporting disc, the bottom of the supporting disc is fixedly connected with a supporting block, and the supporting block is fixedly connected with the working disc. First teeth are arranged on the left side and the right side of the supporting block, a fixed clamping plate is welded to the right side of the top of the disc base, a movable clamping plate is slidably connected to the left side of the top of the disc base, and second teeth used in cooperation with the first teeth in the supporting block are arranged on the opposite sides of the fixed clamping plate and the movable clamping plate. The supporting block slides up and down according to the actual center height of the rotary table of the numerical control machine tool, so that the center height of the working disc is consistent with that of the rotary table, then the movable clamping plate slides, the supporting block is clamped and locked through the movable clamping plate and the fixed clamping plate, the center height of the working disc can be flexibly adjusted through the disc tailstock structure, and the practicability of the disc tailstock structure is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of disc tailstocks, in particular to a disc tailstock for a numerically controlled machine tool. Background Art

[0002] The tailstock is used on CNC machine tools and cooperates with the fixture of the CNC machine tool to clamp the tool and rotate the workpiece. The tailstock can move relative to the guide rail on the machine tool to adjust its position to accommodate workpieces of different lengths. The disc tailstock is a type of tailstock.

[0003] The disc tailstock is generally used in conjunction with a turntable to clamp the workpiece and drive the workpiece to rotate synchronously, thereby facilitating the processing of the workpiece. Therefore, the disc tailstock and the CNC machine tool turntable need to maintain the same height. The center height of the disc tailstock varies depending on the model. However, the center height of the disc tailstock is generally fixed, and it is impossible to flexibly adjust the center height of the disc tailstock according to the actual center height of the CNC machine tool turntable. Therefore, it is necessary to design a disc tailstock for CNC machine tools to solve the above problem. Utility Model Content

[0004] The purpose of the utility model is to provide a disc tailstock for a CNC machine tool to solve the technical problems mentioned in the above background technology.

[0005] The technical solution of the utility model for solving the above-mentioned technical problems is as follows: a disc tailstock of a CNC machine tool, which includes a disc base, a support disc and a working disc, the support disc being detachably mounted on the top of the disc base, the working disc being fixedly connected to the front side of the support disc, the bottom of the support disc being fixedly connected to a support block, the left and right sides of the support block being provided with tooth 1, a fixed splint being welded to the right side of the top of the disc base, a movable splint being slidably connected to the left side of the top of the disc base, and tooth 2 being provided on the opposite sides of the fixed splint and the movable splint for use with tooth 1 in the support block.

[0006] Preferably, a plurality of mounting grooves are evenly arranged around the center of the working disk on a side away from the supporting disk, threaded holes are arranged on the left and right sides of the disk base, and a plurality of positioning openings are arranged on the front and rear sides of the disk base.

[0007] Preferably, a slider is welded to the bottom of the movable splint, and a slide groove for use with the movable splint is provided on the top of the disc base.

[0008] Preferably, a support plate is welded to the left side of the top of the disc base, the inner cavity of the support plate is threadedly connected to a threaded rod extending to the outside, and the threaded rod is rotatably connected to a circular pressure plate on the side close to the movable splint, and the surfaces of the circular pressure plate and the movable splint are fitted together.

[0009] Preferably, the left side of the threaded rod extends to the outside of the support plate and is fixedly connected to a handwheel.

[0010] Preferably, a plurality of left triangular pieces are welded to the left side of the support plate, a plurality of right triangular pieces are welded to the right side of the fixed splint, and the bottoms of the left and right triangular pieces are welded to the top of the disc base.

[0011] 1. The beneficial effects of the present invention are as follows: the present invention slides the support block up and down according to the actual center height of the CNC machine tool turntable, so that the center heights of the work disk and the turntable are consistent, and then slides the movable splint to clamp and lock the support block through the movable splint and the fixed splint. The disc tailstock structure can flexibly adjust the center height of the work disk, thereby improving its practicality.

[0012] 2. The utility model uses the teeth on the surface of the support block, the fixed splint and the movable splint in coordination. When the fixed splint and the movable splint clamp and lock the support block, the stability of the support block clamping can be improved, thereby improving the stability of the working disk during operation.

[0013] 3. The utility model can limit the sliding trajectory of the movable splint through the coordinated use of the slider and the slide groove, so that the fixed splint and the movable splint are always coaxial, which is convenient for clamping the support block. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The above and / or other advantages of the present invention will become clearer and easier to understand through the detailed description made in conjunction with the following drawings. These drawings are only illustrative and do not limit the present invention, wherein:

[0015] Figure 1 This is a three-dimensional schematic diagram of an embodiment of the utility model;

[0016] Figure 2 This is a three-dimensional disassembled schematic diagram of an embodiment of the utility model.

[0017] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0018] 1. Disc base, 2. Support disc, 3. Working disc, 4. Mounting slot, 5. Support block, 6. Threaded hole, 7. Positioning opening, 8. Fixed splint, 9. Movable splint, 10. Slider, 11. Slide, 12. Support plate, 13. Threaded rod, 14. Circular pressure plate, 15. Handwheel, 16. Left triangular piece, 17. Right triangular piece. DETAILED DESCRIPTION

[0019] Hereinafter, embodiments of a disc tailstock for a CNC machine tool according to the present invention will be described with reference to the accompanying drawings.

[0020] The embodiments described herein are specific embodiments of the present invention and are used to illustrate the concept of the present invention. They are illustrative and exemplary and should not be construed as limiting the embodiments and scope of the present invention. In addition to the embodiments described herein, those skilled in the art can also adopt other obvious technical solutions based on the claims and the disclosure of the specification, including technical solutions that adopt any obvious substitutions and modifications to the embodiments described herein.

[0021] The accompanying drawings in this specification are schematic diagrams that assist in illustrating the concepts of the present invention and schematically illustrate the shapes of the various components and their interrelationships. Please note that to clearly illustrate the structures of the various components of the embodiments of the present invention, the drawings are not drawn to the same scale. The same reference numerals are used to indicate the same parts.

[0022] Figure 1-2The utility model shows a disc tailstock of a CNC machine tool in an embodiment of the present invention, which includes a disc base 1, a support disc 2 and a working disc 3. The support disc 2 is detachably mounted on the top of the disc base 1, and the working disc 3 is fixedly connected to the front side of the support disc 2. The bottom of the support disc 2 is fixedly connected to a support block 5. The left and right sides of the support block 5 are provided with teeth. A fixed splint 8 is welded to the right side of the top of the disc base 1, and a movable splint 9 is slidably connected to the left side of the top of the disc base 1. A slider 10 is welded to the bottom of the movable splint 9. The top of the disc base 1 A slide groove 11 is provided for use with the movable splint 9. By cooperating with the slider 10 and the slide groove 11, the sliding trajectory of the movable splint 9 can be restricted so that the fixed splint 8 and the movable splint 9 are always coaxial, which is convenient for clamping the support block 5. A support plate 12 is welded to the left side of the top of the disc base 1. The inner cavity of the support plate 12 is threadedly connected to a threaded rod 13 extending to the outside. The threaded rod 13 is rotatably connected to the side of the movable splint 9. The surface of the circular pressure plate 14 and the movable splint 9 fits the surface of the circular pressure plate 14. The left side of the threaded rod 13 extends to the outside of the support plate 12 and is fixedly connected to a handwheel 15. The fixed splint 8 and the movable splint 9 are provided on the opposite side with a tooth 2 that cooperates with the tooth 1 in the support block 5. Through the coordinated use of the teeth on the surface of the support block 5, the fixed splint 8 and the movable splint 9, when the fixed splint 8 and the movable splint 9 clamp and lock the support block 5, the stability of the clamping of the support block 5 can be improved, thereby improving the stability of the working disk 3 during operation. The working disk 3 is evenly provided with multiple teeth around its center on the side away from the support disk 2. A mounting groove 4 is used to install the workpiece. Threaded holes 6 are provided on the left and right sides of the disc base 1 for fixing the disc tailstock structure to the machine tool with bolts. Multiple positioning openings 7 are provided on the front and rear sides of the disc base 1 for cooperating with the positioning blocks provided on the machine tool. The threaded holes 6 on the disc base 1 are aligned with the mounting holes on the machine tool. Multiple left triangular pieces 16 are welded to the left side of the support plate 12, and multiple right triangular pieces 17 are welded to the right side of the fixed splint 8. The bottoms of the left triangular pieces 16 and the right triangular pieces 17 are welded to the top of the disc base 1.

[0023] Working principle: When the present invention is used, the user slides the support block 5 up and down according to the actual center height of the CNC machine tool turntable, thereby driving the support disk 2 and the working disk 3 to slide up and down synchronously, so that the center height of the working disk 3 and the turntable are consistent, and then turning the handwheel 15 drives the threaded rod 13 to rotate in the inner cavity of the support plate 12, and then drives the circular pressure plate 14 to push the movable splint 9 to slide toward the support block 5. At this time, the slider 10 will slide in the inner cavity of the slide groove 11, and the support block 5 will be clamped and locked by the movable splint 9 and the fixed splint 8, so that the working disk 3 is locked on the top of the disc base 1. The disc tailstock structure can flexibly adjust the center height of the working disk 3, thereby improving its practicality.

[0024] To sum up: the disc tailstock of the CNC machine tool slides the support block 5 up and down according to the actual center height of the CNC machine tool turntable, so that the center height of the working disk 3 and the turntable are consistent, and then the movable clamping plate 9 is slid, and the support block 5 is clamped and locked by the movable clamping plate 9 and the fixed clamping plate 8. The disc tailstock structure can flexibly adjust the center height of the working disk 3, thereby improving its practicality.

[0025] The technical features disclosed above are not limited to the disclosed combinations with other features. Those skilled in the art can also make other combinations between the technical features according to the purpose of the utility model to achieve the purpose of the utility model.

Claims

1. A disc tailstock for a CNC machine tool, characterized in that: The utility model comprises a disc base (1), a support disc (2) and a working disc (3), wherein the support disc (2) is detachably mounted on the top of the disc base (1), the working disc (3) is fixedly connected to the front side of the support disc (2), the bottom of the support disc (2) is fixedly connected to a support block (5), the left and right sides of the support block (5) are both provided with tooth 1, a fixed splint (8) is welded on the right side of the top of the disc base (1), a movable splint (9) is slidably connected to the left side of the top of the disc base (1), and the opposite sides of the fixed splint (8) and the movable splint (9) are both provided with tooth 2 used in conjunction with tooth 1 in the support block (5).

2. The disc tailstock of a CNC machine tool according to claim 1, characterized in that: A plurality of mounting grooves (4) are evenly arranged around the center of the working disc (3) on a side away from the supporting disc (2); threaded holes (6) are arranged on the left and right sides of the disc base (1); and a plurality of positioning openings (7) are arranged on the front and rear sides of the disc base (1).

3. The disc tailstock of a CNC machine tool according to claim 2, characterized in that: A slider (10) is welded to the bottom of the movable splint (9), and a sliding groove (11) for use with the movable splint (9) is provided on the top of the disc base (1).

4. The disc tailstock of a CNC machine tool according to claim 3, characterized in that: A support plate (12) is welded to the left side of the top of the disc base (1), and the inner cavity of the support plate (12) is threadedly connected to a threaded rod (13) extending to the outside, and the threaded rod (13) is rotatably connected to a circular pressure plate (14) on the side close to the movable splint (9), and the surfaces of the circular pressure plate (14) and the movable splint (9) are in contact with each other.

5. The disc tailstock of a CNC machine tool according to claim 4, characterized in that: The left side of the threaded rod (13) extends to the outside of the support plate (12) and is fixedly connected to a hand wheel (15).

6. The disc tailstock of a CNC machine tool according to claim 5, characterized in that: A plurality of left triangular pieces (16) are welded to the left side of the support plate (12), a plurality of right triangular pieces (17) are welded to the right side of the fixed clamping plate (8), and the bottoms of the left triangular pieces (16) and the right triangular pieces (17) are welded to the top of the disc base (1).

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