Clamp for horizontal numerical control machine tool

Abstract

The clamp for the horizontal numerical control machine tool comprises a base plate and a base, the base is arranged at the top of the base plate, sliding arc-shaped grooves are symmetrically dug in the top of the base, adjusting frames are arranged in the sliding arc-shaped grooves, the tops of the adjusting frames are fixedly connected with a mounting plate, the top of the mounting plate is fixedly connected with a groove seat, and the groove seat is fixedly connected with the base. Clamping blocks are arranged at the top of the groove seat at equal intervals, and threaded rods are fixedly connected to the right sides of the clamping blocks, so that the base and the base plate can be stably assembled and conveniently disassembled, and the semicircular movable plate can drive the groove seat at the top of the mounting plate to perform left-right pitching angle adjustment; according to the clamping device, the left-right pitching angle of a clamped workpiece can be flexibly adjusted, the adjusting flexibility of the whole clamping device is achieved, the workpiece can be stably clamped by selecting the clamping blocks in proper positions and in proper number according to the size of the workpiece, the flexibility of the clamping mode of the workpiece is greatly improved, and the application range of the clamping mode of the workpiece is greatly widened.

Description

Technical Field

[0001] The utility model relates to the technical field of machine tool fixtures, in particular to a fixture for a horizontal CNC machine tool. Background Art

[0002] Horizontal CNC machine tools are automated machine tools equipped with a program control system. They can operate and process parts according to the programmed program. They integrate the latest technologies such as mechanics, automation, computers, measurement, and microelectronics. The machine tools can realize automatic control and can turn and process the internal and external circles, end faces, grooving, tapered threads, and other processes of a variety of parts. They are suitable for mass production.

[0003] In the prior art, application number 202020944699.8 discloses a universal tooling fixture for a horizontal CNC machine tool, comprising a fixed seat, the fixed seat is provided with a cavity, and a rotating table is provided at the bottom of the fixed seat, and a workpiece mounting plate is provided on the outer side of the fixed seat, the shape of the workpiece mounting plate is consistent with the shape of the fixed seat, the workpiece mounting plate has four mounting surfaces, and the outer end surfaces of the fixed seat are fixedly connected with positioning connecting plates; the workpiece clamping structure of the above-mentioned device is four surfaces, which greatly reduces the limitations of product clamping, the rotating table and the clamping assembly are fixedly connected, which is not convenient for stable disassembly and replacement, and can only rotate horizontally and axially, and cannot be processed at multiple angles.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0005] In view of the problems in the related technology, the utility model provides a clamp for a horizontal CNC machine tool to overcome the above technical problems existing in the existing related technology.

[0006] To this end, the specific technical solutions adopted by the utility model are as follows:

[0007] A clamp for a horizontal CNC machine tool comprises a base plate and a pedestal, wherein the base is arranged on the top of the base plate, the top of the base is symmetrically excavated with sliding arc grooves, an adjustment frame is arranged inside the sliding arc groove, the top of the adjustment frame is fixedly connected with a mounting plate, the top of the mounting plate is fixedly connected with a groove seat, the top of the groove seat is equidistantly provided with clamping blocks, the right side of the clamping blocks are fixedly connected with threaded rods, the right side of the groove seat is fixedly connected with adjustment blocks, the right end of the threaded rod passes through the right side of the adjustment block, and one side of the outer wall of the adjustment block is fixedly connected with a first servo motor.

[0008] Preferably, connection grooves are dug equidistantly on the top of the base plate, the connection grooves run through the front side of the base plate, positioning screws are fixedly connected to the rear side of the inner wall of the connection groove, and engaging protrusions are fixedly connected equidistantly on the bottom of the base.

[0009] Preferably, the engaging protrusions are respectively slidably engaged with the inner walls of the connecting grooves, and the engaging protrusions are movably sleeved on the outside of the positioning screw, and a limiting nut is threadedly sleeved on the outer wall of the positioning screw.

[0010] Preferably, the adjustment frame includes a semicircular movable plate and a first gear, wherein the first gear is arranged on the bottom side of the inner wall of the semicircular movable plate, and teeth grooves are equidistantly arranged on the inner wall of the semicircular movable plate, and the first gear is meshed and connected with the first gear through the teeth grooves.

[0011] Preferably, the outer side of the semicircular movable plate is connected to the inner wall of the sliding arc groove through a semicircular bearing, a second servo motor is fixedly connected to the middle of the rear side of the base, and the first gear is symmetrically sleeved and fixed to the outer wall of the output shaft of the second servo motor.

[0012] Preferably, a rotating tube is provided through the inner wall of the adjusting block via a bearing, a connecting shaft is provided on one side of the rotating tube, second gears are respectively sleeved and fixed on the outer side of the rotating tube and the connecting shaft, the second gears are meshed with each other, and the output shaft of the second servo motor is fixedly connected to the outer end of the connecting shaft.

[0013] Preferably, a limiting tube is fixedly connected to the outer wall of the adjusting block, the limiting tube is connected through the inside of the rotating tube, a limiting groove is dug on one side of the outer wall of the threaded rod, a limiting protrusion is fixedly connected to one side of the inner wall of the limiting tube, and the limiting protrusion is slidably engaged with the limiting groove.

[0014] Preferably, the inner wall of the rotating tube is connected to a nut via a ball bearing, and is threadedly connected to the outer wall of the threaded rod via the ball bearing and the nut.

[0015] The beneficial effects of the utility model are as follows: the base and the base plate can be stably assembled and conveniently disassembled, the semicircular movable plate can drive the groove seat on the top of the mounting plate to adjust the left and right pitch angles, the left and right pitch angles of the clamped workpiece can be flexibly adjusted, and the flexibility of adjustment of the overall clamping device can be increased. The clamping blocks with appropriate positions and quantities can be selected according to the size of the workpiece to stably clamp the workpiece, thereby greatly improving the flexibility and application range of the workpiece clamping method. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1It is a schematic diagram of the overall structure of a fixture for a horizontal CNC machine tool according to an embodiment of the utility model;

[0018] Figure 2 It is a schematic diagram of the appearance structure of a base plate and a base of a fixture for a horizontal CNC machine tool according to an embodiment of the utility model;

[0019] Figure 3 It is a schematic diagram of the appearance structure of an adjustment frame of a clamp for a horizontal CNC machine tool according to an embodiment of the utility model;

[0020] Figure 4 The utility model is a schematic diagram of the disassembled structure of an adjustment block of a fixture for a horizontal CNC machine tool according to an embodiment of the utility model.

[0021] In the figure:

[0022] 1. Base plate; 2. Base; 3. Sliding arc groove; 4. Adjustment frame; 5. Mounting plate; 6. Groove seat; 7. Clamping block; 8. Threaded rod; 9. Adjustment block; 10. First servo motor; 11. Connecting groove; 12. Positioning screw; 13. Fitting protrusion; 14. Limiting nut; 15. Semicircular movable plate; 16. First gear; 17. Tooth groove; 18. Second servo motor; 19. Rotating tube; 20. Connecting shaft; 21. Second gear; 22. Limiting tube; 23. Limiting protrusion. DETAILED DESCRIPTION

[0023] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0024] According to an embodiment of the utility model, a clamp for a horizontal CNC machine tool is provided.

[0025] Embodiment 1

[0026] like Figure 1-4As shown, a fixture for a horizontal CNC machine tool according to an embodiment of the utility model comprises a base plate 1 and a base 2. The base 2 is arranged on the top of the base plate 1. A sliding arc groove 3 is symmetrically dug on the top of the base 2. An adjusting frame 4 is arranged inside the sliding arc groove 3. A mounting plate 5 is fixedly connected to the top of the adjusting frame 4. A groove seat 6 is fixedly connected to the top of the mounting plate 5. A clamping block 7 is equidistantly arranged on the top of the groove seat 6. A threaded rod 8 is fixedly connected to the right side of the clamping block 7. An adjusting block 9 is equidistantly fixedly connected to the right side of the groove seat 6. The right end of the threaded rod 8 passes through the right side of the adjusting block 9. A first servo motor 10 is fixedly connected to one side of the outer wall of the adjusting block 9. A connecting groove 11 is equidistantly dug on the top of the base plate 1. The connecting groove 11 passes through the front side of the base plate 1 A positioning screw 12 is fixedly connected to the rear side of the inner wall of the connecting groove 11, and an engaging protrusion 13 is equidistantly fixedly connected to the bottom of the base 2. The engaging protrusions 13 are respectively slidably engaged with the inner walls of the connecting groove 11, and the engaging protrusions 13 are movably sleeved on the outside of the positioning screw 12. A limiting nut 14 is threadedly sleeved on the outer wall of the positioning screw 12. The base 2 is slidably engaged with the connecting groove 11 through the engaging protrusion 13, so that the engaging protrusion 13 penetrates the positioning screw 12 and slides longitudinally on the outside of the positioning screw 12, and then the limiting nut 14 is screwed so that the limiting nut 14 and the rear side of the inner wall of the connecting groove 11 clamp and position the engaging protrusion 13, so that the base 2 and the substrate 1 can be stably assembled and conveniently disassembled.

[0027] Embodiment 2

[0028] like Figure 1-4As shown, a fixture for a horizontal CNC machine tool according to an embodiment of the utility model comprises a base plate 1 and a base 2. The base 2 is arranged on the top of the base plate 1. A sliding arc groove 3 is symmetrically dug on the top of the base 2. An adjusting frame 4 is arranged inside the sliding arc groove 3. A mounting plate 5 is fixedly connected to the top of the adjusting frame 4. A groove seat 6 is fixedly connected to the top of the mounting plate 5. A clamping block 7 is equidistantly arranged on the top of the groove seat 6. A threaded rod 8 is fixedly connected to the right side of the clamping block 7. An adjusting block 9 is equidistantly fixedly connected to the right side of the groove seat 6. The right end of the threaded rod 8 passes through the right side of the adjusting block 9. A first servo motor 10 is fixedly connected to one side of the outer wall of the adjusting block 9. The adjusting frame 4 comprises a semicircular movable plate 15 and a first gear 16. The first gear 16 is arranged on the bottom side of the inner wall of the semicircular movable plate 15. Tooth grooves 17 are equidistantly arranged on the inner wall of the semicircular movable plate 15, and the tooth grooves 17 are connected to the first gear 10 through the tooth grooves 17. 16 is meshed and connected, the outer side of the semicircular movable plate 15 is connected to the inner wall of the sliding arc groove 3 through a semicircular bearing, and a second servo motor 18 is fixedly connected to the middle part of the rear side of the base 2. The first gear 16 is symmetrically sleeved and fixed to the outer wall of the output shaft of the second servo motor 18. After the workpiece is clamped and assembled, the first servo motor 10 can be started according to the angle requirement of milling processing. The output shaft of the first servo motor 10 drives the first gear 16 to rotate at the same time, so that the semicircular movable plate 15 is meshed and connected with the first gear 16 through the tooth groove 17, so that the rotating first gear 16 can be meshed to drive the semicircular movable plate 15 to rotate left or right, and the semicircular movable plate 15 can drive the groove seat 6 on the top of the mounting plate 5 to adjust the left and right pitch angles, and can flexibly adjust the left and right pitch angles of the clamped workpiece, so that the flexibility of adjustment of the overall clamping device is improved.

[0029] Embodiment 3

[0030] like Figure 1-4As shown, a fixture for a horizontal CNC machine tool according to an embodiment of the utility model comprises a base plate 1 and a base 2. The base 2 is arranged on the top of the base plate 1. A sliding arc groove 3 is symmetrically dug on the top of the base 2. An adjusting frame 4 is arranged inside the sliding arc groove 3. A mounting plate 5 is fixedly connected to the top of the adjusting frame 4. A groove seat 6 is fixedly connected to the top of the mounting plate 5. A clamping block 7 is equidistantly arranged on the top of the groove seat 6. A threaded rod 8 is fixedly connected to the right side of the clamping block 7. An adjusting block 9 is equidistantly fixedly connected to the right side of the groove seat 6. The right end of the threaded rod 8 passes through the right side of the adjusting block 9. The first servo motor 10 is fixedly connected to one side of the outer wall of the adjusting block 9, a rotating tube 19 is provided between the inner walls of the adjusting block 9 through a bearing, a connecting shaft 20 is provided on one side of the rotating tube 19, and a second gear 21 is respectively sleeved and fixed on the outer side of the rotating tube 19 and the connecting shaft 20, and the second gears 21 are meshed with each other, and the output shaft of the second servo motor 18 is fixedly connected to the outer end of the connecting shaft 20, and a limiting tube 22 is fixedly connected to the outer wall of the adjusting block 9, and the limiting tube 22 is connected to the inside of the rotating tube 19, and a limiting groove is dug on one side of the outer wall of the threaded rod 8. A limiting protrusion 23 is fixedly connected to one side of the inner wall of the positioning tube 22, and the limiting protrusion 23 is slidably engaged with the limiting groove. The inner wall of the rotating tube 19 is connected with a nut through a ball bearing, and the ball bearing, the nut and the outer wall of the threaded rod 8 are threadedly connected. After the workpiece is placed inside the groove seat 6, a suitable number of first servo motors 10 are started according to the size of the workpiece. The output shaft of the first servo motor 10 drives the connecting shaft 20 to rotate, so that the second gear 21 on the outer wall of the connecting shaft 20 engages with the second gear 2 on the outer wall of the rotating tube 19 to drive the second gear 2 1 is rotated, and the rotating tube 19, through the ball bearing, the nut and the limiting tube 22, can make the threaded rod 8 move laterally by the threaded match of the thread and the nut, so that the clamping block 7 at the left end of the threaded rod 8 and the left side of the inner wall of the groove seat 6 can clamp and position the two sides of the workpiece, and the clamping block 7 with appropriate position and number can be selected according to the size of the workpiece to stably clamp the workpiece, so that the flexibility and application range of the clamping method of the workpiece are greatly improved.

[0031] In summary, with the aid of the above technical solution of the utility model, when the device is in use, the base 2 is slidably engaged with the connecting groove 11 through the engaging protrusion 13, so that the engaging protrusion 13 penetrates the positioning screw 12 and slides longitudinally on the outside of the positioning screw 12, and then the limiting nut 14 is screwed to clamp and position the engaging protrusion 13 with the rear side of the inner wall of the connecting groove 11. After the workpiece is clamped and assembled, the first servo motor 10 can be started according to the angle requirement of the milling processing, and the output shaft of the first servo motor 10 simultaneously drives the first gear 16 to rotate, so that the semicircular movable plate 15 is meshed and connected with the first gear 16 through the tooth groove 17, so that the rotating first The gear 16 meshes and drives the semicircular movable plate 15 to rotate left or right, so that the semicircular movable plate 15 can drive the groove seat 6 on the top of the mounting plate 5 to adjust the pitch angle to the left and right. After the workpiece is clamped and assembled, the first servo motor 10 can be started according to the angle requirement of milling processing. The output shaft of the first servo motor 10 simultaneously drives the first gear 16 to rotate, so that the semicircular movable plate 15 is meshed and connected with the first gear 16 through the tooth groove 17, so that the rotating first gear 16 can be meshed and driven to rotate the semicircular movable plate 15 to the left or right, so that the semicircular movable plate 15 can drive the groove seat 6 on the top of the mounting plate 5 to adjust the pitch angle to the left and right.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fixture for a horizontal CNC machine tool, comprising a base plate (1) and a base (2), characterized in that: The base (2) is arranged on the top of the base plate (1); the top of the base (2) is symmetrically excavated with sliding arc grooves (3); an adjustment frame (4) is arranged inside the sliding arc groove (3); a mounting plate (5) is fixedly connected to the top of the adjustment frame (4); a groove seat (6) is fixedly connected to the top of the mounting plate (5); a clamping block (7) is equidistantly arranged on the top of the groove seat (6); a threaded rod (8) is fixedly connected to the right side of the clamping block (7); an adjustment block (9) is equidistantly fixedly connected to the right side of the groove seat (6); the right end of the threaded rod (8) passes through the right side of the adjustment block (9); and a first servo motor (10) is fixedly connected to one side of the outer wall of the adjustment block (9).

2. A fixture for a horizontal CNC machine tool according to claim 1, characterized in that: The top of the base plate (1) is dug with connection grooves (11) at equal intervals, the connection grooves (11) penetrate the front side of the base plate (1), the rear side of the inner wall of the connection groove (11) is fixedly connected with a positioning screw (12), and the bottom of the base (2) is fixedly connected with an engaging protrusion (13) at equal intervals.

3. A fixture for a horizontal CNC machine tool according to claim 2, characterized in that: The engaging protrusions (13) are respectively slidably engaged with the inner walls of the connecting grooves (11), and the engaging protrusions (13) are movably sleeved on the outside of the positioning screw (12), and a limiting nut (14) is threadedly sleeved on the outer wall of the positioning screw (12).

4. A fixture for a horizontal CNC machine tool according to claim 3, characterized in that: The adjustment frame (4) comprises a semicircular movable plate (15) and a first gear (16); the first gear (16) is arranged on the bottom side of the inner wall of the semicircular movable plate (15); tooth grooves (17) are equidistantly arranged on the inner wall of the semicircular movable plate (15) and are meshedly connected with the first gear (16) via the tooth grooves (17).

5. A fixture for a horizontal CNC machine tool according to claim 4, characterized in that: The outer side of the semicircular movable plate (15) is connected to the inner wall of the sliding arc groove (3) via a semicircular bearing, a second servo motor (18) is fixedly connected to the middle of the rear side of the base (2), and the first gear (16) is symmetrically sleeved and fixed to the outer wall of the output shaft of the second servo motor (18).

6. A fixture for a horizontal CNC machine tool according to claim 5, characterized in that: A rotating tube (19) is provided through the inner wall of the adjusting block (9) via a bearing, a connecting shaft (20) is provided on one side of the rotating tube (19), second gears (21) are respectively sleeved and fixed on the outer sides of the rotating tube (19) and the connecting shaft (20), the second gears (21) are meshed with each other, and the output shaft of the second servo motor (18) is fixedly connected to the outer end of the connecting shaft (20).

7. A fixture for a horizontal CNC machine tool according to claim 6, characterized in that: A limiting tube (22) is fixedly connected to the outer wall of the adjustment block (9), and the limiting tube (22) is connected to the inside of the rotating tube (19). A limiting groove is excavated on one side of the outer wall of the threaded rod (8), and a limiting protrusion (23) is fixedly connected to one side of the inner wall of the limiting tube (22), and the limiting protrusion (23) is slidably engaged with the limiting groove.

8. The fixture for a horizontal CNC machine tool according to claim 7, characterized in that: The inner wall of the rotating tube (19) is connected to a nut via a ball bearing, and is threadedly connected to the outer wall of the threaded rod (8) via the ball bearing and the nut.

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