Fine adjustment device for tool clamp of numerical control lathe

Abstract

The utility model provides a numerical control lathe tool fixture fine adjustment device, which relates to the technical field of tool fixtures, comprises a bottom plate and a mounting plate, and is characterized in that a sliding rail is fixedly mounted at the top end of the bottom plate, a sliding plate is connected to the surface of the sliding rail in a sliding manner, and a mounting groove is formed in the inner side of the sliding plate; a motor is fixedly mounted on the inner side of the mounting groove, a gear A is fixedly mounted at the output end of the motor, and a gear B is rotationally connected to the top end of the sliding plate. According to the device, the motor, the gear A, the gear B, the fixing plate, the bolt, the mounting plate, the clamping plate, the cutter body, the sliding groove, the threaded rod and the moving block are arranged, the motor can be started to drive the fixing plate to rotate, and therefore the cutter body can be rotationally adjusted; in the workpiece machining process, the workpiece can be subjected to rounding work by rotating the cutter body, the radius of a fillet can be accurately adjusted by rotating the threaded rod, and flexibility is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tool fixtures, in particular to a fine-tuning device for a tool fixture of a numerical control lathe. Background Art

[0002] The fine-tuning device plays an important role in numerical control machining, which can improve machining accuracy, optimize cutting effect, and enable different types of tools to adapt to different machining requirements. The publication number CN203030946U discloses a special multi-functional tool fixture for a numerical control lathe, belonging to the field of metal processing. It can ensure the machining accuracy and quality when the numerical control lathe processes the oil cup hole of a shaft workpiece, reduce the labor intensity of workers and improve the machining efficiency. It includes a fixture body, on the same side of the fixture body, there are installation groove A, installation hole B, installation hole C and installation hole D; the installation hole B, installation hole C and installation hole D are all through holes; the fixture body is provided with a tool fixing hole and a fixture fixing hole, and corresponding different types of tools can be respectively set in each installation hole according to the machining requirements, so that the numerical control lathe can process the oil cup hole in one-time forming without changing the tool. However, during the actual use of this kind of tool fixture, it can only drive the tool body to be controlled on the same horizontal plane, and it is difficult to adjust the tool body, which results in low flexibility of this kind of tool fixture and cannot perform machining tasks with complex geometric shape cutting on the bar stock, so it needs to be improved. Summary of the Utility Model

[0003] The purpose of the utility model is to solve the technical problems raised in the above background art.

[0004] The utility model adopts the following technical scheme: a fine-tuning device for a tool fixture of a numerical control lathe, including a bottom plate and a mounting plate, characterized in that: a slide rail is fixedly installed at the top end of the bottom plate, a slide plate is slidably connected to the surface of the slide rail, an installation groove is opened inside the slide plate, a motor is fixedly installed inside the installation groove, a gear A is fixedly installed at the output end of the motor, a gear B is rotatably connected to the top end of the slide plate, a fixing plate is fixedly installed at the top end of the gear B, a bolt is arranged inside the fixing plate, a clamping plate is fixedly installed at the top end of the mounting plate, a tool body is fixedly installed inside the clamping plate, a chute is opened inside the fixing plate, a threaded rod is rotatably connected to the inside of the chute, a crank is fixedly installed at one end of the threaded rod, and a moving block is slidably connected to the inside of the chute.

[0005] Preferably, the gear A is rotatably connected to the slide plate, and the gear A meshes with the gear B. Here, by setting the gear A and the gear B, the gear A and the gear B can be driven to rotate during the operation of the motor, and then the fixing plate can be driven to rotate, so as to perform the rotation work of the tool body.

[0006] Preferably, a thread is provided inside the moving block, and the thread provided inside the moving block meshes with the thread on the surface of the threaded rod. Here, by providing the thread inside the moving block, the moving block can be driven to slide along the chute under the action of the thread during the rotation of the threaded rod.

[0007] Preferably, a limiting plate is fixedly installed at the bottom end of the mounting plate, a limiting groove is provided inside the moving block, a cycloidal worm gear is fixedly installed on the back of the mounting plate. A convex plate is fixedly installed on the side of the mounting plate, a pin is inserted inside the convex plate, a tension spring is sleeved on the surface of the pin, a positioning groove is provided inside the cycloidal worm gear, and a worm is rotatably connected to the back of the moving block. Here, by providing the limiting plate, the limiting groove, the cycloidal worm gear, the convex plate, the pin, the tension spring, the positioning groove, and the worm, the rotation work of the tool body can be carried out, and thus the steering angle of the tool can be adjusted to adapt to different processing requirements or adjust the cutting direction.

[0008] Preferably, the worm meshes with the cycloidal worm gear, and the limiting plate is slidably connected to the limiting groove. Here, by providing the worm and the cycloidal worm gear, the cycloidal worm gear can be driven to rotate under the meshing action during the rotation of the worm, so that the mounting plate can be driven to rotate. By providing the limiting plate and the limiting groove, the stability of the mounting plate during rotation can be improved.

[0009] Preferably, one end of the tension spring is fixedly installed on the surface of the pin, and the other end of the tension spring is fixedly installed on the back of the convex plate. Here, by providing the tension spring, the pin can be driven to reset inside the positioning groove, and the pin can be effectively prevented from coming out of the positioning groove.

[0010] Compared with the prior art, the advantages and positive effects of the present utility model are as follows:

[0011] 1. In the present utility model, by providing the motor, gear A, gear B, fixing plate, bolt, mounting plate, clamping plate, tool body, chute, threaded rod, and moving block, the fixing plate can be driven to rotate by starting the motor, so that the tool body can be rotationally adjusted. During the workpiece processing, the workpiece can be chamfered by rotating the tool body, and the radius of the chamfer can be accurately adjusted by rotating the threaded rod, improving the flexibility.

[0012] 2. In the present utility model, by providing the limiting plate, the limiting groove, the cycloidal worm gear, the convex plate, the pin, the tension spring, the positioning groove, and the worm, the cycloidal worm gear can be driven to rotate by rotating the worm, so that the mounting plate can be finely adjusted in angle, facilitating some complex cutting operations such as sawing and chamfering, and the adjustment process is simple and convenient, with high practicability. Description of the Drawings

[0013] Figure 1 This is a schematic diagram of a fine-tuning device for a tool fixture of a numerically controlled lathe proposed by the present utility model;

[0014] Figure 2 This is an exploded view of a fine-tuning device for a tool fixture of a numerically controlled lathe proposed by the present utility model;

[0015] Figure 3 This is an exploded view of a mounting plate and a limiting plate in a fine-tuning device for a tool fixture of a numerically controlled lathe proposed by the present utility model;

[0016] Figure 4 This is a rear view of a fine-tuning device for a tool fixture of a numerically controlled lathe proposed by the present utility model;

[0017] Figure 5 This is a fine-tuning device for a tool fixture of a numerically controlled lathe proposed by the present utility model Figure 4 and an enlarged view of part A therein.

[0018] Legend description:

[0019] 1. Base plate; 2. Slide rail; 3. Slide plate; 4. Installation groove; 5. Motor; 6. Gear A; 7. Gear B; 8. Fixed plate; 9. Bolt; 10. Mounting plate; 11. Clamping plate; 12. Tool body; 13. Chute; 14. Threaded rod; 15. Crank; 16. Moving block; 17. Limiting plate; 18. Limiting groove; 19. Cycloidal worm gear; 20. Convex plate; 21. Plug pin; 22. Tension spring; 23. Positioning groove; 24. Worm. Detailed implementation manners

[0020] In order to more clearly understand the above objects, features and advantages of the present utility model, the following further describes the present utility model with reference to the drawings and embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

[0021] In the following description, many specific details are set forth to fully understand the present utility model. However, the present utility model may be implemented in other ways different from those described herein. Therefore, the present utility model is not limited by the specific embodiments disclosed in the following specification.

[0022] Embodiment 1

[0023] Please refer to Figures 1-4The utility model provides a technical solution: a CNC lathe tool fixture fine-tuning device, including a base plate 1 and a mounting plate 10, a slide rail 2 is fixedly installed on the top of the base plate 1, a slide plate 3 is slidably connected to the surface of the slide rail 2, a mounting groove 4 is opened on the inner side of the slide plate 3, a motor 5 is fixedly installed on the inner side of the mounting groove 4, a gear A6 is fixedly installed on the output end of the motor 5, the motor 5 is started and drives the gear A6 to rotate, at this time, the gear B7 and the fixed plate 8 are driven to rotate under the meshing action, so that the upper moving block 16 and the tool body 12 can be driven to rotate, the gear A6 is rotatably connected to the slide plate 3, the gear A6 is meshed with the gear B7, the top of the slide plate 3 is rotatably connected to the gear B7, the top of the gear B7 is fixedly installed with the fixed plate 8, the fixed plate 8 A bolt 9 is provided on the inner side, a clamping plate 11 is fixedly installed on the top of the mounting plate 10, a tool body 12 is fixedly installed on the inner side of the clamping plate 11, a slide groove 13 is provided on the inner side of the fixing plate 8, a threaded rod 14 is rotatably connected to the inner side of the slide groove 13, and in the process of rotating the threaded rod 14, the moving block 16 will be driven to slide along the slide groove 13 under the action of the thread, thereby driving the tool body 12 to adjust its position, and then the radius of the chamfered corner can be changed, a crank 15 is fixedly installed on one end of the threaded rod 14, the crank 15 is provided to facilitate the rotation of the threaded rod 14, a moving block 16 is slidably connected to the inner side of the slide groove 13, a thread is provided on the inner side of the moving block 16, and the thread provided on the inner side of the moving block 16 is engaged with the thread on the surface of the threaded rod 14.

[0024] Embodiment 2

[0025] See also Figures 4-5 A limit plate 17 is fixedly installed at the bottom end of the mounting plate 10, and the limit plate 17 is slidably connected with the limit groove 18. A limit groove 18 is provided on the inner side of the moving block 16, and a cycloid worm gear 19 is fixedly installed on the back of the mounting plate 10. A convex plate 20 is fixedly installed on the side of the mounting plate 10, and a latch 21 is inserted into the inner side of the convex plate 20. A tension spring 22 is sleeved on the surface of the latch 21, and one end of the tension spring 22 is fixedly installed on the surface of the latch 21, and the other end of the tension spring 22 is fixedly installed on the back of the convex plate 20. First, pull the latch 21 outward and move it from the fixed The inner side of the positioning groove 23 is disengaged, and in the process, the tension spring 22 is deformed, and then the worm 24 is rotated and the cycloid worm wheel 19 is driven to rotate under the meshing action, so that the mounting plate 10 and the limit plate 17 can be driven to adjust the angle along the limit groove 18, so as to facilitate some complex cutting operations, such as sawing, chamfering, etc., and the adjustment process is simple and convenient, and the practicability is high. A positioning groove 23 is provided on the inner side of the cycloid worm wheel 19, and the back side of the moving block 16 is rotatably connected to the worm 24, and the worm 24 is meshed with the cycloid worm wheel 19.

[0026] Working principle: When working, first fix the bar on the lathe and drive the bar to rotate. Then, when chamfering is required, start the motor 5 and drive the gear A6 to rotate. At this time, the gear B7 and the fixed plate 8 will be driven to rotate under the meshing action, thereby driving the upper moving block 16 and the tool body 12 to rotate. In this process, the tool body 12 will chamfer the rotating bar, thereby effectively improving the quality and precision of the product. In the process of rotating the threaded rod 14, the moving block 16 will slide along the slide groove 13 under the action of the thread, thereby driving the tool body 12 to adjust its position, which can In order to change the radius of the chamfered corner, the adjustment process is simple and quick. When some complex cutting operations are required, such as sawing, chamfering, etc., first pull the pin 21 outward and make it disengage from the inner side of the positioning groove 23, and in this process, drive the tension spring 22 to deform, then rotate the worm 24 and drive the cycloid worm gear 19 to rotate under the meshing action, so that the mounting plate 10 and the limit plate 17 can be driven to fine-tune the angle along the limit groove 18, and then release the pin 21. At this time, the pin 21 will be reset on the inner side of the adjacent positioning groove 23 under the action of the tension spring 22, thereby completing the angle adjustment work of the tool body 12.

[0027] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A fine-tuning device for a tool fixture of a CNC lathe, comprising a base plate (1) and a mounting plate (10), characterized in that: A slide rail (2) is fixedly installed on the top of the bottom plate (1), a slide plate (3) is slidably connected to the surface of the slide rail (2), a mounting groove (4) is provided on the inner side of the slide plate (3), a motor (5) is fixedly installed on the inner side of the mounting groove (4), a gear A (6) is fixedly installed on the output end of the motor (5), a gear B (7) is rotatably connected to the top of the slide plate (3), a fixing plate (8) is fixedly installed on the top of the gear B (7), a bolt (9) is provided on the inner side of the fixing plate (8), a clamping plate (11) is fixedly installed on the top of the mounting plate (10), a tool body (12) is fixedly installed on the inner side of the clamping plate (11), a slide groove (13) is provided on the inner side of the fixing plate (8), a threaded rod (14) is rotatably connected to the inner side of the slide groove (13), a crank (15) is fixedly installed on one end of the threaded rod (14), and a moving block (16) is slidably connected to the inner side of the slide groove (13).

2. The CNC lathe tool fixture fine-tuning device according to claim 1, characterized in that: The gear A (6) is rotationally connected to the slide plate (3), and the gear A (6) is meshed with the gear B (7).

3. The CNC lathe tool fixture fine-tuning device according to claim 1, characterized in that: The inner side of the moving block (16) is provided with a thread, and the thread provided on the inner side of the moving block (16) is meshed with the thread on the surface of the threaded rod (14).

4. The CNC lathe tool fixture fine-tuning device according to claim 1, characterized in that: A limiting plate (17) is fixedly mounted on the bottom end of the mounting plate (10), a limiting groove (18) is provided on the inner side of the moving block (16), and a cycloid worm gear (19) is fixedly mounted on the back side of the mounting plate (10). A convex plate (20) is fixedly mounted on the side of the mounting plate (10), a latch (21) is inserted into the inner side of the convex plate (20), a tension spring (22) is sleeved on the surface of the latch (21), a positioning groove (23) is provided on the inner side of the cycloid worm gear (19), and a worm (24) is rotatably connected to the back side of the moving block (16).

5. The CNC lathe tool fixture fine-tuning device according to claim 4, characterized in that: The worm (24) is meshed with the cycloid worm wheel (19), and the limiting plate (17) is slidably connected with the limiting groove (18).

6. The CNC lathe tool fixture fine-tuning device according to claim 4, characterized in that: One end of the tension spring (22) is fixedly mounted on the surface of the latch (21), and the other end of the tension spring (22) is fixedly mounted on the back side of the convex plate (20).

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