CN216542088U

CN216542088U - Lathe machining clamp

Info

Publication number: CN216542088U
Application number: CN202123075308.7U
Authority: CN
Inventors: 林发明; 隆路兵; 牟伦飞
Original assignee: China Dafu Pump Industry Co ltd
Current assignee: China Dafu Pump Industry Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-05-17
Anticipated expiration: 2031-12-07

Abstract

The utility model provides a lathe machining clamp, and belongs to the technical field of machinery. It has solved the inhomogeneous problem of current lathe processing blank class part clamp force. This lathe adds clamping apparatus, including the anchor clamps body, the anchor clamps body is by being used for the tight closing device of work piece clamp, an installed part that is used for driving the tight thrust unit of closing device synchronous clamp and supplies the thrust unit installation, the fixed bridge plate that supplies closing device that is provided with on the installed part, be equipped with the locating component who is used for work piece location installation on the bridge plate, thrust unit is by being located the inside thrust disc of installed part, be located the spherical joint of thrust disc central point, thrust bar and the connecting rod of fixed mounting on the thrust disc that one end is connected with the spherical joint constitute, the thrust bar other end is connected with the drive unit who is used for driving thrust unit work. The utility model has the advantages of reasonable structural design, uniform clamping force stress and high processing efficiency.

Description

Lathe machining clamp

Technical Field

The utility model belongs to the technical field of machinery, relates to a clamp, and particularly relates to a lathe machining clamp.

Background

The lathe fixture is used for processing the inner and outer revolution surfaces and the end surfaces of the workpiece on a lathe, and most lathe fixtures are arranged on the main shaft, and the few lathe fixtures are arranged on a saddle or a lathe bed. However, when the existing lathe fixture is used for processing blank parts, the stress of the clamping force of the lathe fixture is uneven due to the uneven surface of the blank parts, and sometimes the clamping force is uneven, so that the clamping force is often manually adjusted and solved, the part processing efficiency is influenced, and the manpower labor resources are increased.

Disclosure of Invention

The utility model aims to solve the problems in the prior art by providing a lathe machining clamp.

The purpose of the utility model can be realized by the following technical scheme: the utility model provides a lathe machining anchor clamps, includes the anchor clamps body, its characterized in that, the anchor clamps body by be used for the tight closing device of work piece clamp, be used for driving the tight thrust unit of closing device synchronous clamp and supply the installed part of thrust unit installation, the installed part on the fixed bridge plate that supplies closing device, the bridge plate on be equipped with the locating component who is used for work piece location installation, thrust unit constitute by the thrust disc that is located the inside of installed part, the spherical joint that is located thrust disc central point, the distance rod that one end is connected with the spherical joint and the connecting rod of fixed mounting on the thrust disc, the distance rod other end be connected with the drive unit who is used for driving thrust unit work.

In the lathe machining fixture, the pressing device consists of a fixed clamping jaw for fixedly mounting a workpiece, two connecting pieces for movably supporting and fixedly clamping and two mounting seats for movably connecting and mounting, the two connecting pieces are respectively positioned at two sides of the fixed clamping jaw, and one end of the fixed clamping jaw is movably connected with the connecting rod.

In the above lathe machining fixture, the bridge plate is provided with a plurality of through holes for the connecting rods to penetrate through and be installed and for the connecting rods to ascend and descend.

In the lathe machining fixture, the mounting part is internally provided with a limiting plate for the thrust disc to movably limit, and the middle part of the limiting plate is provided with a central hole for the thrust rod to penetrate out.

In the lathe machining fixture, the central part of the bottom of the thrust disc is provided with a spherical groove for movably mounting a spherical joint, the connecting rod and the spherical joint are arranged in an integrally formed structure, and the spherical joint can be randomly inclined at a certain angle within a range of 360 degrees in the spherical groove.

In the above lathe machining fixture, the driving unit is an air cylinder or an oil cylinder.

Compared with the prior art, the lathe machining fixture is reasonable in structural design, convenient to machine and capable of improving machining efficiency of the lathe, meanwhile, the spherical joint is added to the thrust rod, the spherical joint can be inclined at any angle within a range of 360 degrees in the plane of the thrust disc, the problem that three clamping devices can move synchronously due to the fact that the surface of a part blank is uneven is effectively solved, the formed plane is coincident with the surface of the blank, and the part is clamped under uniform stress.

Drawings

Fig. 1 is a schematic perspective view of a lathe machining jig.

Fig. 2 is a schematic view of a half-section structure of the lathe machining jig.

In the figure, 1, a clamp body; 2. a mounting member; 3. a pressing device; 4. a pushing device; 5. a bridge plate; 6. a positioning assembly; 7. a thrust disc; 8. a spherical joint; 9. a thrust rod; 10. a connecting rod; 11. fixing the clamping jaw; 12. a connecting member; 13. a mounting seat; 14. a through hole; 15. a limiting plate; 16. a central bore; 17. a ball-shaped groove.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 2, the machining fixture of the machine tool comprises a fixture body 1, wherein the fixture body 1 comprises a pressing device 3 for clamping a workpiece, a pushing device 4 for driving the pressing device 3 to synchronously clamp and an installation part 2 for installing the pushing device 4, a bridge plate 5 for installing the pressing device 3 is fixedly arranged on the installation part 2, a positioning assembly 6 for positioning and installing the workpiece is arranged on the bridge plate 5, the pushing device 4 comprises a thrust disc 7 positioned inside the installation part 2, a spherical joint 8 positioned in the central part of the thrust disc 7, a thrust rod 9 with one end connected with the spherical joint 8 and a connecting rod 10 fixedly installed on the thrust disc 7, and the other end of the thrust rod 9 is connected with a driving unit for driving the pushing device to work.

In further detail, the pressing device 3 is composed of a fixed jaw 11 for fixedly mounting the workpiece, two connecting pieces 12 for movably supporting and fixedly clamping and two mounting seats 13 for movably mounting, the two connecting pieces 12 are respectively positioned at two sides of the fixed jaw 11, and one end of the fixed jaw 11 is movably connected with the connecting rod 10.

In further detail, the bridge plate 5 is provided with a plurality of through holes 14 for the connecting rods 10 to pass through and mount and for the connecting rods 10 to go up and down.

In further detail, a limiting plate 15 for limiting the movement of the thrust disc 7 is arranged in the mounting part 2, and a central hole 16 for the thrust rod 9 to penetrate out is formed in the middle of the limiting plate 15.

In more detail, the central part of the bottom of the thrust disc 7 is provided with a spherical groove 17 for movably mounting the spherical joint 8, and the spherical joint 8 can be randomly inclined at a certain angle within a range of 360 degrees in the spherical groove 17.

In more detail, the driving unit is a cylinder or an oil cylinder.

Principle of operation

The position of the thrust rod 9 is connected with an air cylinder or an oil cylinder, the air cylinder or the oil cylinder applies push-pull force to the thrust rod 9 and transmits the push-pull force to the thrust disc 7 through the spherical joint 8, the thrust disc 7 continues to push the connecting rod 10 to move, the connecting rod 10 pushes and pulls the dynamic pressing device 3 to tightly press a machined part, when the surface of the part is uneven, the surface of the thrust disc 7 can be arbitrarily inclined at a certain angle within an angle range of 360 degrees through the spherical joint 8 under different clamping forces, the connecting rod continues to be pushed to move, synchronous movement of the three clamping devices is realized, the formed surface is overlapped with a blank, and the part is uniformly clamped under the stress.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. A lathe machining clamp comprises a clamp body (1) and is characterized in that the clamp body (1) comprises a pressing device (3) used for clamping a workpiece, a pushing device (4) used for driving the pressing device (3) to synchronously clamp and a mounting piece (2) used for mounting the pushing device (4), the mounting piece (2) is fixedly provided with a bridge plate (5) for the pressing device (3), a positioning component (6) for positioning and mounting the workpiece is arranged on the bridge plate (5), the pushing device (4) consists of a thrust disc (7) positioned in the mounting part (2), a spherical joint (8) positioned in the central part of the thrust disc (7), a thrust rod (9) with one end connected with the spherical joint (8) and a connecting rod (10) fixedly arranged on the thrust disc (7), the other end of the thrust rod (9) is connected with a driving unit for driving the thrust device to work.

2. The lathe machining clamp according to claim 1, characterized in that the pressing device (3) comprises a fixed jaw (11) for fixedly mounting a workpiece, two connecting pieces (12) for movably supporting and fixedly clamping the workpiece, and two mounting seats (13) for movably mounting the two connecting pieces, wherein the two connecting pieces (12) are respectively positioned at two sides of the fixed jaw (11), and one end of the fixed jaw (11) is movably connected with the connecting rod (10).

3. The lathe machining clamp according to claim 1, wherein the bridge plate (5) is provided with a plurality of through holes (14) for the connecting rods (10) to penetrate through and lift up and down.

4. The lathe machining clamp according to claim 1, wherein a limiting plate (15) for movably limiting the thrust disc (7) is arranged in the mounting part (2), and a central hole (16) for the thrust rod (9) to penetrate through is formed in the middle of the limiting plate (15).

5. The lathe machining fixture according to claim 1, wherein a spherical groove (17) for movably mounting the spherical joint (8) is formed in the central portion of the bottom of the thrust disc (7), the thrust rod (9) and the spherical joint (8) are arranged in an integrally formed structure, and the spherical joint (8) can be arbitrarily inclined at a certain angle within a range of 360 degrees in the spherical groove (17).

6. A turning attachment according to claim 1, wherein the drive unit is an air cylinder or an oil cylinder.