CN213196652U

CN213196652U - Clamp for cutting three-pin shaft forklift

Info

Publication number: CN213196652U
Application number: CN202020549530.2U
Authority: CN
Inventors: 张伟智
Original assignee: Shanghai Weiyi Transmission Shaft Fitting Co ltd
Current assignee: Shanghai Weiyi Transmission Shaft Fitting Co ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2021-05-14
Anticipated expiration: 2030-04-14

Abstract

The utility model discloses an anchor clamps are used in three round pin axle fork truck cutting process, including three round pin axle forks, the clamping cover, the cavity has been seted up to the left end face of three round pin axle forks, the locating hole has been seted up at the positive center of cavity right-hand member face, the centre bore has been seted up at the positive center of three round pin axle fork right-hand member faces, the inside rotation of centre bore is connected with the lathe top, the clamping cover is located the left side of three round pin axle forks, the clamping groove has been seted up to the right-hand member face of clamping cover, the welding of the positive center of clamping groove left end face has the reference column, three spout has been seted up to the inner circumference of clamping groove, the equal sliding connection in inside of three spout has the briquetting, the bottom butt fusion of briquetting has the rubber pad, the upper surface. Through the cooperation setting of clamping cover and three round pin shaft forks, can be smoothly with three round pin shaft fork clamping lathe on and process, can carry out the clamping to three round pin shaft forks fast, can improve the machining efficiency of work piece.

Description

Clamp for cutting three-pin shaft forklift

Technical Field

The utility model relates to a three round pin shaft forks technical field especially relates to a three round pin shaft fork truck cuts processing and uses anchor clamps.

Background

The three-pin shaft type universal joint is a quasi-constant velocity universal joint evolved from a duplex universal joint, and has the biggest characteristic that two adjacent shafts are allowed to have larger intersection angles which can reach 45 degrees at most, and the adoption of the three-pin shaft type universal joint in a steering drive axle can enable an automobile to obtain smaller turning radius and improve the maneuverability of the automobile.

The three-pin shaft fork is an important part in the three-pin shaft type universal joint, and during turning of the three-pin shaft fork, the surface of one end of the three-pin shaft fork is an uneven curved surface, so that the three-pin shaft fork is not easy to clamp on a triangular chuck of a lathe, and a clamp is required for auxiliary clamping.

SUMMERY OF THE UTILITY MODEL

The utility model provides a three round pin shaft fork truck cuts processing with anchor clamps and solves the difficult clamping problem to the triangle chuck of lathe of three round pin shaft forks that above-mentioned background art provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a three round pin axle fork truck cuts anchor clamps for processing, includes three round pin axle forks, clamping cover, the cavity has been seted up to the left end face of three round pin axle forks, the locating hole has been seted up at the positive center of cavity right-hand member face, the centre bore has been seted up at the positive center of three round pin axle fork right-hand member face, the inside rotation of centre bore is connected with the lathe top, the clamping cover is located the left side of three round pin axle forks, the clamping groove has been seted up to the right-hand member face of clamping cover, the welding of the positive center of clamping groove left end face has the reference column, three spout has been seted up to the inner peripheral face of clamping groove, and is three the equal sliding connection in inside of spout has the briquetting, the bottom butt fusion of briquetting has the rubber pad, the upper surface of briquetting rotates and is connected with the bolt.

Furthermore, the left end of the three-pin shaft fork is inserted into a clamping groove at the right end of the clamping sleeve.

Furthermore, the right end of the positioning column is inserted into the positioning hole.

Furthermore, the cross sections of the positioning columns and the positioning holes are all equilateral triangles.

Furthermore, the clamping sleeve and the clamping handle are cylindrical, and the clamping handle and the clamping sleeve are positioned on the same axis.

Furthermore, the clamping sleeve and the three-pin shaft fork are all positioned on the same axis.

Furthermore, the three sliding grooves are arranged in a central symmetry manner by taking the axis of the clamping sleeve as the center.

Furthermore, the bottom of the pressing block is attached to the outer surface of the left end of the three-pin shaft fork.

Compared with the prior art, the utility model discloses the beneficial effect who realizes:

through the cooperation setting of clamping cover and three round pin shaft yoke, three round pin shaft yoke can insert the clamping inslot that the clamping cover was pressed from both sides, locating hole and reference column cooperation simultaneously, fix a position three round pin axle, twist the bolt afterwards alright with the clamping cover of three round pin shaft yoke after fixing a position, then will have the clamping suit clamp of three round pin shaft yoke on the chuck of lathe, alright smoothly with three round pin shaft yoke clamping lathe on and process to this through this kind of structure, can carry out the clamping to three round pin shaft yoke fast, can improve the machining efficiency of work piece.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partially enlarged schematic view of a portion a of fig. 1 according to the present invention.

Fig. 3 is a cross-sectional view of the clamping sleeve of the present invention.

Fig. 4 is a schematic structural view of the three-pin shaft fork of the present invention.

In FIGS. 1-4: 1-three-pin shaft fork, 101-cavity, 102-positioning hole, 103-center hole, 2-lathe tip, 3-clamping sleeve, 301-clamping groove, 302-sliding groove, 4-clamping handle, 5-positioning column, 6-pressing block, 7-rubber pad and 8-bolt.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

Please refer to fig. 1 to 4:

the utility model provides a three round pin axle fork truck cuts processing and uses anchor clamps, including three round pin axle forks 1, clamping cover 3, carry out detailed description to each part of a three round pin axle fork truck cuts processing and uses anchor clamps below:

the left end face of the three-pin shaft fork 1 is provided with a cavity 101, the center of the right end face of the cavity 101 is provided with a positioning hole 102, the center of the right end face of the three-pin shaft fork 1 is provided with a center hole 103, the inside of the center hole 103 is rotatably connected with a lathe center 2, the clamping sleeve 3 is positioned on the left side of the three-pin shaft fork 1, the right end face of the clamping sleeve 3 is provided with a clamping groove 301, the center of the left end face of the clamping groove 301 is welded with a positioning column 5, the inner circumferential surface of the clamping groove 301 is provided with three sliding grooves 302, pressing blocks 6 are all slidably connected inside the three sliding grooves 302, the bottoms of the pressing blocks 6 are welded with rubber pads 7, the upper surface of the pressing blocks 6 is rotatably connected with bolts 8, the upper ends of;

specifically, the clamping sleeve 3 can be clamped on a three-jaw chuck of a lathe through the clamping handle 4, after the three-pin shaft fork 1 is inserted into the clamping groove 301 of the clamping sleeve 3, the protruding plane on the outer surface of the left end of the three-pin shaft fork 1 can be just positioned at the bottom of the sliding groove 302, then the bolt 8 is screwed to drive the pressing block 6 to slide downwards, the three-pin shaft fork 1 can be clamped inside the clamping sleeve 3, and the positioning column 5 and the positioning hole 102 are arranged into an equilateral triangle, so that the positioning column 5 can be just inserted into the positioning hole 102, the protruding plane on the outer surface of the left end of the three-pin shaft fork 1 can be just positioned at the bottom of the sliding groove 302, the quick positioning effect can be achieved, and the right end of the three-pin shaft fork 1 can be supported through the matching of the lathe center 2 and the three-pin shaft fork 1.

To sum up, when using the utility model discloses the time: the positioning hole 102 and the central hole 103 are required to be processed on the three-pin shaft fork 1 in advance, then the left end of the three-pin shaft fork 1 is inserted into the clamping groove 301 of the clamping sleeve 3, the positioning column 5 is inserted into the positioning hole 102, after the three-pin shaft fork 1 is positioned, the bolt 8 can be screwed, the pressing block 6 is attached to the protruding plane of the left end surface of the three-pin shaft fork 1, therefore, the three-pin shaft fork 1 can be fixed inside the clamping sleeve 3, then the clamping sleeve 3 with the three-pin shaft fork 1 is clamped on a three-jaw chuck of a lathe through the clamping handle 4, and finally the lathe center 2 is pushed to abut against the right end surface of the three-pin shaft fork 1 to complete clamping of a workpiece.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a three round pin axle fork truck cuts processing and uses anchor clamps, includes three round pin axle forks (1), dress clamp cover (3), its characterized in that:

a cavity (101) is formed in the left end face of the three-pin shaft fork (1), a positioning hole (102) is formed in the center of the right end face of the cavity (101), a center hole (103) is formed in the center of the right end face of the three-pin shaft fork (1), and a lathe center (2) is rotatably connected to the inside of the center hole (103);

the clamping sleeve (3) is located on the left side of the three-pin shaft fork (1), a clamping groove (301) is formed in the right end face of the clamping sleeve (3), a positioning column (5) is welded in the center of the left end face of the clamping groove (301), three sliding grooves (302) are formed in the inner circumferential face of the clamping groove (301) and are three, a pressing block (6) is connected to the inner portion of each sliding groove (302) in a sliding mode, a rubber pad (7) is welded to the bottom of each pressing block (6), a bolt (8) is connected to the upper surface of each pressing block (6) in a rotating mode, the upper end of each bolt (8) penetrates out of the clamping sleeve (3), and a clamping handle (4) is welded to the left end face of the.

2. The clamp for the three-pin forklift cutting process according to claim 1, wherein: the left end of the three-pin shaft fork (1) is inserted into a clamping groove (301) at the right end of the clamping sleeve (3).

3. The clamp for the three-pin forklift cutting process according to claim 2, wherein: the right end of the positioning column (5) is inserted into the positioning hole (102).

4. The clamp for the three-pin forklift cutting process according to claim 3, wherein: the cross sections of the positioning columns (5) and the positioning holes (102) are all equilateral triangles.

5. The clamp for the three-pin forklift cutting process according to claim 1, wherein: the clamping sleeve (3) and the clamping handle (4) are both cylindrical, and the clamping handle (4) and the clamping sleeve (3) are positioned on the same axis.

6. The clamp for the three-pin forklift cutting process according to claim 1, wherein: the clamping sleeve (3) and the three-pin shaft fork (1) are all positioned on the same axis.

7. The clamp for the three-pin forklift cutting process according to claim 1, wherein: the three sliding grooves (302) are distributed in a central symmetry manner by taking the axis of the clamping sleeve (3) as the center.

8. The clamp for the three-pin forklift cutting process according to claim 1, wherein: the bottom of the pressing block (6) is attached to the outer surface of the left end of the three-pin shaft fork (1).