CN212071197U

CN212071197U - Lathe work positioning fixture for automobile transmission shaft

Info

Publication number: CN212071197U
Application number: CN202020514927.8U
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: 2020-04-09
Filing date: 2020-04-09
Publication date: 2020-12-04
Anticipated expiration: 2030-04-09

Abstract

The utility model provides a turning positioning fixture for automobile transmission shafts, which is suitable for the production and application in the technical field of automobile transmission shaft processing, and comprises a supporting base, a cylinder, a bottom splint, a top splint and a guide sliding frame; the air cylinder is arranged at the top of the supporting base, the propelling shaft is arranged above the air cylinder, the bottom end of the propelling shaft is in threaded connection with the power output end of the air cylinder, and the upper end of the outer wall of the propelling shaft is fixedly provided with a clamping sleeve through metal adhesive bonding; the beneficial effects of the utility model reside in that: by arranging the bottom clamping plate, the top clamping plate, the guide sliding frame, the first movable shaft rod, the second movable shaft rod, the shaft pipe body, the threaded cap and the threaded rod, a user can conveniently clamp different objects, and the applicability is good; meanwhile, under the condition that a user can manually clamp the automobile transmission shaft, the manual clamping stability is good, the practicability is better, and the problems that the existing automobile transmission shaft is provided with a cutting positioning clamp, the application range is smaller and the practicability is poorer are solved.

Description

Lathe work positioning fixture for automobile transmission shaft

Technical Field

The utility model belongs to the technical field of the car transmission shaft processing technique and specifically relates to a car transmission shaft is with cutting positioning fixture is related to.

Background

The automobile transmission shaft is a shaft capable of transmitting power in a transmission shaft of a universal transmission device. It is a high speed, less supported rotating body, so its dynamic balance is crucial. When the automobile transmission shaft is machined, the automobile transmission shaft can be positioned and clamped through a positioning clamp, so that the automobile transmission shaft can be conveniently machined.

Current positioning fixture is for the use of cooperation car transmission shaft, and its clamping part generally laminates car transmission shaft size and carries out the customization to lead to positioning fixture only to be applicable to the use of car transmission shaft, application scope is less, and the while is after pneumatic propulsion structure in the positioning fixture damages, though can switch into manual mode and twist the clamp to the car transmission shaft, overall stability is not good, and the practicality is relatively poor.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: to the problem that prior art exists, provide a turning for automobile transmission shaft positioning fixture, solved current turning for automobile transmission shaft positioning fixture, application scope is less and the relatively poor problem of practicality.

The to-be-solved technical problem of the utility model adopts following technical scheme to realize: a cutting positioning clamp for an automobile transmission shaft comprises a supporting base, a cylinder, a bottom clamping plate, a top clamping plate and a guide sliding frame;

the air cylinder is arranged at the top of the supporting base, a propelling shaft is arranged above the air cylinder, the bottom end of the propelling shaft is in threaded connection with the power output end of the air cylinder, and a clamping sleeve is fixedly bonded at the upper end of the outer wall of the propelling shaft through metal adhesive;

the bottom clamping plate is positioned above the propelling shaft, a shaft pipe body penetrates through and is fixed in the center of the bottom clamping plate, first movable shaft rods are welded on the left side and the right side of the bottom clamping plate, and through holes are formed in the front ends of the first movable shaft rods in a penetrating mode;

the top clamping plate is positioned above the bottom clamping plate, second movable shaft levers are welded on the left side and the right side of the top clamping plate, threaded caps are connected to the outer ends of the first movable shaft lever and the second movable shaft lever in a threaded mode, and mutually symmetrical positioning clamping rings are fixed on the front side and the rear side of the bottom of the top clamping plate and the front side and the rear side of the top of the bottom clamping plate through screws;

the guide sliding frame is located above the top clamping plate, the bottom of the guide sliding frame is welded with the supporting base, guide sliding grooves extending to the inner wall of the guide sliding frame are formed in the left side and the right side of the guide sliding frame, threaded holes penetrating through the guide sliding grooves are formed in the left side and the right side of the front of the guide sliding frame, and threaded rods are arranged in the front of the threaded holes.

Preferably, both ends all are the opening form about the body of axle, the propulsion axle top is followed the body of axle lower extreme direction and is extended, just the propulsion axle top is closely inserted through clamping sleeve and body of axle lower extreme and is closed.

Preferably, the outer ends of the first movable shaft rod and the second movable shaft rod penetrate through the guide chute, and the bottom clamping plate and the top clamping plate are movably connected with the guide chute through the first movable shaft rod and the second movable shaft rod respectively.

Preferably, the bottom of the bottom clamping plate and the top of the top clamping plate are smooth surfaces.

Preferably, the threaded hole is parallel to the through hole, the diameter of the threaded hole is the same as that of the through hole, threads matched with the surface of the threaded rod are uniformly distributed on the inner wall of the threaded hole and the inner wall of the through hole, and the rear end of the threaded rod is in threaded connection with the threaded hole.

Compared with the prior art, the beneficial effects of the utility model are that:

by arranging the bottom clamping plate, the top clamping plate, the guide sliding frame, the first movable shaft rod, the second movable shaft rod, the shaft pipe body, the threaded cap and the threaded rod, a user can conveniently clamp different objects, and the applicability is good; meanwhile, under the condition that a user can manually clamp the automobile transmission shaft, the manual clamping stability is good, the practicability is better, and the problems that the existing automobile transmission shaft is provided with a cutting positioning clamp, the application range is smaller and the practicability is poorer are solved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of a portion A of the through hole in FIG. 1 of the present invention;

fig. 3 is a partial schematic view of the propulsion shaft and the cylinder according to the present invention.

The labels in the figure are: 1-supporting base, 2-air cylinder, 3-bottom clamping plate, 4-positioning clamping ring, 5-shaft pipe body, 6-pushing shaft, 7-clamping sleeve, 8-guide carriage, 9-guide chute, 10-first movable shaft rod, 11-threaded cap, 12-through hole, 13-threaded rod, 14-threaded hole, 15-top clamping plate and 16-second movable shaft rod.

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.

Please refer to fig. 1 to 3, 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 essence, 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 and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left" and "right" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention unless otherwise specified.

In order to achieve the purpose, the utility model adopts the following technical scheme that the turning positioning fixture for the automobile transmission shaft comprises a supporting base 1, a cylinder 2, a bottom clamping plate 3, a top clamping plate 15 and a guide sliding frame 8;

the air cylinder 2 is arranged at the top of the supporting base 1, a propelling shaft 6 is arranged above the air cylinder 2, the bottom end of the propelling shaft 6 is in threaded connection with the power output end of the air cylinder 2, and a clamping sleeve 7 is fixedly bonded at the upper end of the outer wall of the propelling shaft 6 through metal adhesive;

the bottom clamping plate 3 is positioned above the propelling shaft 6, the shaft tube body 5 penetrates through and is fixed in the center of the bottom clamping plate 3, the upper end and the lower end of the shaft tube body 5 are both in an open shape, the top of the propelling shaft 6 extends along the lower end direction of the shaft tube body 5, the top of the propelling shaft 6 is tightly inserted and combined with the lower end of the shaft tube body 5 through a clamping sleeve 7, first movable shaft levers 10 are welded on the left side and the right side of the bottom clamping plate 3, and through holes 12 are formed in the front ends of the first movable shaft levers 10 in a penetrating mode;

the top clamping plate 15 is positioned above the bottom clamping plate 3, the bottom of the bottom clamping plate 3 and the top of the top clamping plate 15 are both smooth surfaces, second movable shaft levers 16 are welded on the left side and the right side of the top clamping plate 15, the outer ends of the first movable shaft levers 10 and the second movable shaft levers 16 penetrate through the guide chutes 9, the bottom clamping plate 3 and the top clamping plate 15 are movably connected with the guide chutes 9 through the first movable shaft levers 10 and the second movable shaft levers 16 respectively, the outer ends of the first movable shaft levers 10 and the second movable shaft levers 16 are in threaded connection with threaded caps 11, and the front side and the rear side of the bottom of the top clamping plate 15 and the front side and the rear side of the top of the bottom clamping plate 3 are respectively fixed with symmetrical positioning clamping rings 4 through screws;

lead balladeur train 8 and be located top splint 15 top, just lead balladeur train 8 bottom and support base 1 welding, lead balladeur train 8 left and right sides all to open and to have the spout 9 that extends to its inner wall, just lead balladeur train 8 the place ahead left and right sides and all to open threaded hole 14 that runs through spout 9, threaded hole 14 the place ahead all is provided with threaded rod 13, threaded hole 14 parallels with through-hole 12 position, threaded hole 14 is the same with the diameter of through-hole 12, threaded hole 14 and through-hole 12 inner wall all distribute the screw thread that agrees with mutually with threaded rod 13 surface, just threaded rod 13 rear end threaded connection is in threaded hole 14.

When a user positions and clamps the automobile transmission shaft, the user can be matched and applied with the air cylinder 2 through an external air pump, then the user can unscrew the threaded cap 11 at the outer end of the first movable shaft rod 10, simultaneously screw the threaded cap 11 on the second movable shaft rod 16, then clamp the automobile transmission shaft to be clamped in the positioning clamp ring 4 above the bottom clamp plate 3, then start the air cylinder 2, drive the propelling shaft 6 to move upwards after the air cylinder 2 is started, simultaneously drive the bottom clamp plate 3 to move upwards through the propelling shaft 6, so that the automobile transmission shaft can be clamped between the positioning clamp ring 4 above the bottom clamp plate 3 and the positioning clamp ring 4 below the top clamp plate 15, thus clamping is carried out, after the clamping work is finished, if other objects need to be clamped, the threaded cap 11 at the outer end of the second movable shaft rod 16 can be unscrewed, then the bottom frame plate 3 is lifted, so that the top end of the propelling shaft 6 is separated from the bottom of the shaft body 5, immediately afterwards with chassis board 3 and top splint 15 respectively through first activity axostylus axostyle 10 and the 16 one hundred eighty degrees of overturning downwards of second activity axostylus axostyle, make bottom splint 3 bottom up, top splint 15 top is down, then move down bottom splint 3, let propulsion shaft 6 top closely insert in shaft tube 5 top, screw up the screw cap 11 of the 16 outer ends of second activity axostylus axostyle again at last, and place the article that will need the centre gripping between bottom splint 3 and top splint 15, and start cylinder 2 and carry out the centre gripping, the suitability is better.

Secondly, if the cylinder 2 is damaged after being used for a long time, a user can lift the bottom clamping plate 3 to enable the through hole 12 to be overlapped with the threaded hole 14, then the threaded cap 11 at the outer end of the first movable screw 10 is screwed, the bottom clamping plate 3 is stabilized at a moving point, the threaded rod 13 is screwed backwards and penetrates through the through hole 12 to be locked doubly, then the automobile transmission shaft is clamped in the positioning clamping ring 4 above the bottom clamping plate 3, then the top clamping plate 15 is moved downwards, after the automobile transmission shaft is clamped by the positioning clamping ring 4 above the bottom clamping plate 3 and the positioning clamping ring 4 below the top clamping plate 15, the threaded cap 11 at the outer end of the second movable shaft rod 16 is screwed, manual clamping can be completed, and the stability is good.

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 car transmission shaft is with cutting positioning fixture, includes support base (1), cylinder (2), end splint (3), top splint (15) and leads carriage (8), its characterized in that:

the air cylinder (2) is arranged at the top of the supporting base (1), a propelling shaft (6) is arranged above the air cylinder (2), the bottom end of the propelling shaft (6) is in threaded connection with the power output end of the air cylinder (2), and a clamping sleeve (7) is fixedly bonded at the upper end of the outer wall of the propelling shaft (6) through metal adhesive;

the bottom clamping plate (3) is positioned above the propelling shaft (6), a shaft pipe body (5) penetrates through and is fixed at the center of the bottom clamping plate (3), first movable shaft levers (10) are welded on the left side and the right side of the bottom clamping plate (3), and through holes (12) penetrate through the front ends of the first movable shaft levers (10);

the top clamping plate (15) is positioned above the bottom clamping plate (3), second movable shaft levers (16) are welded on the left side and the right side of the top clamping plate (15), the outer ends of the first movable shaft levers (10) and the second movable shaft levers (16) are in threaded connection with threaded caps (11), and the front side and the rear side of the bottom of the top clamping plate (15) and the front side and the rear side of the top of the bottom clamping plate (3) are respectively fixed with symmetrical positioning clamping rings (4) through screws;

lead balladeur train (8) and be located top splint (15) top, just lead balladeur train (8) bottom and support base (1) welding, lead balladeur train (8) left and right sides all to open and to have lead spout (9) that extend to its inner wall, just lead balladeur train (8) the place ahead left and right sides all to open threaded hole (14) that run through and lead spout (9), threaded hole (14) the place ahead all is provided with threaded rod (13).

2. The cutting processing positioning fixture for the automobile transmission shaft according to claim 1, characterized in that: both ends all are the opening form about axle body (5), propulsion shaft (6) top is followed axle body (5) lower extreme direction and is extended, just propulsion shaft (6) top is closely inserted through chucking cover (7) and axle body (5) lower extreme and is closed.

3. The cutting processing positioning fixture for the automobile transmission shaft according to claim 1, characterized in that: the outer ends of the first movable shaft lever (10) and the second movable shaft lever (16) penetrate through the guide chute (9), and the bottom clamping plate (3) and the top clamping plate (15) are movably connected with the guide chute (9) through the first movable shaft lever (10) and the second movable shaft lever (16) respectively.

4. The cutting processing positioning fixture for the automobile transmission shaft according to claim 1, characterized in that: the bottom of the bottom clamping plate (3) and the top of the top clamping plate (15) are smooth surfaces.

5. The cutting processing positioning fixture for the automobile transmission shaft according to claim 1, characterized in that: the threaded hole (14) is parallel to the through hole (12), the diameter of the threaded hole (14) is the same as that of the through hole (12), threads matched with the surface of the threaded rod (13) are distributed on the inner walls of the threaded hole (14) and the through hole (12), and the rear end of the threaded rod (13) is in threaded connection with the threaded hole (14).