CN221019767U

CN221019767U - A fixture for five-axis machining center

Info

Publication number: CN221019767U
Application number: CN202322810660.3U
Authority: CN
Inventors: 黄宁健; 郑有良; 胡双军; 黎敬铁
Original assignee: Guangxi Manufacturing Engineering Vocational And Technical College
Current assignee: Guangxi Manufacturing Engineering Vocational And Technical College
Priority date: 2023-10-19
Filing date: 2023-10-19
Publication date: 2024-05-28
Anticipated expiration: 2033-10-19

Abstract

The utility model belongs to the technical field of machining, in particular to a clamp for a five-axis machining center, which comprises a base, wherein a y-axis guide mechanism is arranged on the base, an x-axis guide mechanism is arranged on the y-axis guide mechanism, a z-axis guide mechanism is arranged on the x-axis guide mechanism, a shaft seat is arranged on the z-axis guide mechanism, and a shaft bracket is rotationally connected to the shaft seat.

Description

Clamp for five-axis machining center

Technical Field

The utility model belongs to the technical field of machining, and particularly relates to a clamp for a five-axis machining center.

Background

The five-axis linkage numerical control machine tool is a machine tool which has high technological content and high precision and is specially used for processing complex curved surfaces, and the machine tool system has important influence on the industries of aviation, aerospace, military, scientific research, precise instruments, high-precision medical equipment and the like in one country. The five-axis linkage numerical control machine tool system is a means for solving the processing problems of impellers, blades, marine propellers, heavy-duty generator rotors, turbine rotors, large diesel engine crankshafts and the like;

In the part machining process, a plurality of cylindrical or annular parts are required to be machined in many times, a conventional fixing method in the prior art usually adopts a hard claw or a soft claw of a chuck to clamp, so that the parts cannot be machined in the part machining process, particularly in the part clamping position by the chuck, the parts are required to be re-fixed in the subsequent machining process, and the positions clamped by the chuck in the prior art are machined, so that the defects of unstable size, long debugging time, low efficiency and the like are caused.

In order to solve the problems, the application provides a clamp for a five-axis machining center.

Disclosure of utility model

In order to solve the problems in the prior art, the utility model provides a clamp for a five-axis machining center, which has the characteristics that the inner wall of a part is supported to clamp and fix the part, and parts with different pipe diameters in a small range can be used in an adapting way.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a anchor clamps for five machining centers, includes the base, be equipped with y axle guiding mechanism on the base, be equipped with x axle guiding mechanism on the y axle guiding mechanism, be equipped with z axle guiding mechanism on the x axle guiding mechanism, be equipped with the axle bed on the z axle guiding mechanism, rotate on the axle bed and be connected with the pedestal, be fixed with the circle seat on the pedestal, rotate on the circle seat and be connected with the disc, install the drum seat on the disc, the internally mounted of drum seat has the cylinder, the output of cylinder is connected with and compels tight head, the inside sliding connection of drum seat has four circumference distribution's cotter heads, be fixed with four circumference distribution's spring leaf on the drum seat.

As a preferable technical scheme of the clamp for the five-axis machining center, the inner wall of the round seat is provided with a plurality of tooth grooves distributed circumferentially, the inside of the round disc is connected with the guide rod in a sliding manner, the bottom of the guide rod is fixedly provided with the tooth head, and the guide rod is sleeved with the spring.

As a preferable technical scheme of the clamp for the five-axis machining center, the worm wheel is arranged on the shaft bracket, the motor is arranged on the shaft seat, and the worm is arranged at the output end of the motor.

As a preferable technical scheme of the clamp for the five-axis machining center, the lower end of the spring piece is positioned in the pin head.

As an optimal technical scheme of the clamp for the five-axis machining center, the shape of the forcing head is a round table, and the inner end of the pin head is of an inclined surface structure.

As a preferable technical scheme of the clamp for the five-axis machining center, the cylinder seat and the disc are installed and fixed through bolts.

Compared with the prior art, the utility model has the beneficial effects that: after the part is sleeved on the cylinder seat 9, the tightening head 11 is driven to move upwards through the output end of the cylinder 10, meanwhile, the tightening head 11 pushes the pin head 12 to extend outwards, the part is clamped and fixed by supporting the inner wall of the part, and parts with different pipe diameters in a small range can be used in an adapting way;

The tooth head 16 can be driven to be separated from the tooth groove 14 by pressing the guide rod 15, so that the disc 8 can be rotated, the fixed part clamped on the cylinder seat 9 at the top of the disc 8 is controlled to rotate, then the pressed guide rod 15 is loosened, the guide rod 15 is pushed by the rebound pressure of the spring 17, the tooth head 16 is driven to be embedded into the tooth groove 14, the angle of the rotated disc 8 is fixed, and the fixed part clamped can be processed at different angles.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a clamp according to the present utility model;

FIG. 3 is a schematic view of the internal structure of the fixing mechanism of the present utility model;

FIG. 4 is a schematic view of the internal structure of the disk according to the present utility model;

In the figure: 1. a base; 2. a y-axis guide mechanism; 3. an x-axis guide mechanism; 4. a z-axis guide mechanism; 5. a shaft seat; 6. a shaft bracket; 7. a round seat; 8. a disc; 9. a cylinder seat; 10. a cylinder; 11. a tightening head; 12. a pin head; 13. a spring piece; 14. tooth slots; 15. a guide rod; 16. a tooth head; 17. a spring; 18. a worm wheel; 19. a motor; 20. a worm.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-4, the present utility model provides the following technical solutions: the utility model provides a anchor clamps for five machining centers, the on-line screen storage device comprises a base 1, be equipped with y axle guiding mechanism 2 on the base 1, be equipped with x axle guiding mechanism 3 on the y axle guiding mechanism 2, be equipped with z axle guiding mechanism 4 on the x axle guiding mechanism 3, be equipped with axle bed 5 on the z axle guiding mechanism 4, be connected with pedestal 6 on the axle bed 5 rotation, be fixed with circle seat 7 on the pedestal 6, be connected with disc 8 on the circle seat 7 rotation, install cartridge 9 on the disc 8, the internally mounted of cartridge 9 has cylinder 10, the output of cylinder 10 is connected with and forces tight head 11, the inside sliding connection of cartridge 9 has four round distributed's round pin head 12, be fixed with four round distributed's spring leaf 13 on the cartridge 9, in this embodiment, after with the part cover on cartridge 9, drive forces tight head 11 upwards to remove through the output of cylinder 10, force tight head 11 to promote the outer extension of round pin head 12 simultaneously, it is fixed through holding the inner wall of part, and can adapt to the use to the part of different pipe diameters in the small range.

Specifically, the inner wall of the round seat 7 is provided with a plurality of circumferentially distributed tooth grooves 14, the inside of the round disc 8 is slidably connected with a guide rod 15, the bottom of the guide rod 15 is fixedly provided with a tooth head 16, a spring 17 is sleeved on the guide rod 15, the tooth head 16 can be driven to be separated from the tooth grooves 14 by pressing the guide rod 15 in the embodiment, the round disc 8 can be rotated, the fixed part clamped on the cylinder seat 9 at the top of the round disc 8 is controlled to rotate, then the pressed guide rod 15 is loosened, the guide rod 15 is pushed by the rebound pressure of the spring 17, the tooth head 16 is driven to be embedded into the tooth grooves 14, and accordingly the angle of the round disc 8 after rotation is fixed.

Specifically, the worm wheel 18 is installed on the shaft bracket 6, the motor 19 is installed on the shaft seat 5, the worm 20 is installed at the output end of the motor 19, and in this embodiment, the worm 20 is driven by the output end of the motor 19 to cooperate with the worm wheel 18 to drive the shaft bracket 6 to turn over, so as to drive the parts fixed on the cylinder seat 9 in a clamping manner to turn over.

Specifically, the lower end of the spring piece 13 is located inside the pin head 12, and in this embodiment, when the output end of the cylinder 10 drives the tightening head 11 to move downward, the spring piece 13 can rebound pressure to drive the pin head 12 to retract inward, so that the clamping and fixing of the parts can be relieved.

Specifically, the shape of the tightening head 11 is a truncated cone, and the inner end of the pin head 12 is an inclined surface structure, and in this embodiment, the pin head 12 can be pushed to move during the lifting process of the tightening head 11.

Specifically, the cartridge holder 9 and the disc 8 are mounted and fixed by bolts, and in this embodiment, the cartridge holder 9 and the disc 8 can be disassembled and assembled, so that the cartridge holder 9 can be replaced.

The working principle and the using flow of the utility model are as follows: firstly, the output end of the air cylinder 10 drives the packing head 11 to move downwards, the spring piece 13 rebounds to drive the pin head 12 to shrink inwards, so that a part can be sleeved on the cylinder seat 9, the output end of the air cylinder 10 drives the packing head 11 to move upwards, and meanwhile the packing head 11 pushes the pin head 12 to extend outwards, and the inner wall of the part is supported to clamp and fix the part; then, the worm 20 is driven by the output end of the motor 19 and matched with the worm wheel 18 to drive the shaft bracket 6 to turn over, so that parts clamped and fixed on the cylinder seat 9 are driven to turn over at different angles, and the parts clamped and fixed on the cylinder seat 9 are controlled to adjust the left, right, front, back, up and down positions under the matched driving of the y-axis guiding mechanism 2, the x-axis guiding mechanism 3 and the z-axis guiding mechanism 4; finally, in the processing process, the tooth head 16 can be driven to be separated from the tooth groove 14 by pressing the guide rod 15, so that the disc 8 can be rotated, a part fixed by clamping on the cylinder seat 9 at the top of the disc 8 is controlled to rotate, then the pressed guide rod 15 is loosened, the guide rod 15 is pushed by the rebound pressure of the spring 17, and the tooth head 16 is driven to be embedded into the tooth groove 14, so that the angle of the rotated disc 8 is fixed, and the part fixed by clamping can be processed at different angles.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A clamp for a five-axis machining center, comprising a base (1), characterized in that: a y-axis guide mechanism (2) is provided on the base (1), an x-axis guide mechanism (3) is provided on the y-axis guide mechanism (2), a z-axis guide mechanism (4) is provided on the x-axis guide mechanism (3), an axle seat (5) is provided on the z-axis guide mechanism (4), a shaft seat (5) is rotatably connected to a shaft frame (6), a round seat (7) is fixed on the shaft frame (6), a disc (8) is rotatably connected to the round seat (7), a cartridge seat (9) is installed on the disc (8), a cylinder (10) is installed inside the cartridge seat (9), a clamping head (11) is connected to the output end of the cylinder (10), four circumferentially distributed pin heads (12) are slidably connected inside the cartridge seat (9), and four circumferentially distributed spring sheets (13) are fixed on the cartridge seat (9).

2. A clamp for a five-axis machining center according to claim 1, characterized in that: the inner wall of the round seat (7) is provided with a plurality of circumferentially distributed tooth grooves (14), the inside of the disc (8) is slidably connected with a guide rod (15), the bottom of the guide rod (15) is fixed with a tooth head (16), and a spring (17) is sleeved on the guide rod (15).

3. A fixture for a five-axis machining center according to claim 1, characterized in that a worm gear (18) is installed on the shaft frame (6), a motor (19) is installed on the shaft seat (5), and a worm (20) is installed at the output end of the motor (19).

4. A clamp for a five-axis machining center according to claim 1, characterized in that the lower end of the spring sheet (13) is located inside the pin head (12).

5. A clamp for a five-axis machining center according to claim 1, characterized in that the clamping head (11) is in the shape of a truncated cone, and the inner end of the pin head (12) is in a bevel structure.

6. A clamp for a five-axis machining center according to claim 1, characterized in that the cylinder seat (9) and the disc (8) are installed and fixed by bolts.