CN112404875A

CN112404875A - Welding fixture for cross shaft tube of transmission shaft

Info

Publication number: CN112404875A
Application number: CN202011243261.8A
Authority: CN
Inventors: 王广义; 王广兴; 赵忠华; 李辉
Original assignee: Shiyan Xinhang Auto Parts Co ltd
Current assignee: Shiyan Xinhang Auto Parts Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-02-26

Abstract

The invention discloses a welding fixture for a transmission shaft cross shaft tube, which belongs to the field of processing of transmission shaft cross shaft tubes and comprises a base, wherein a support is arranged on one side of the upper surface of the base, a hydraulic cylinder is arranged on the support, a piston rod of the hydraulic cylinder is connected with a first clamping plate, fixed blocks are symmetrically welded on the upper surface of the base, a fixed shaft is fixed between the two fixed blocks, two movable rings are movably sleeved on the fixed shaft, connecting rods are hinged on the movable rings, a second clamping plate is arranged on the fixed shaft, one ends, close to the two connecting rods, of the two connecting rods are respectively hinged under the second clamping plate, push rods are symmetrically welded on one sides, far away from the two movable rings, of the two movable rings, a first box body is symmetrically arranged above the base, a; the novel shaft tube welding fixture is novel in design, ingenious in structure, good in stability, simple to operate and worthy of popularization, and the periphery of the shaft tube is clamped.

Description

Welding fixture for cross shaft tube of transmission shaft

Technical Field

The invention belongs to the technical field of machining of a cross shaft tube of a transmission shaft, and particularly relates to a welding fixture for the cross shaft tube of the transmission shaft.

Background

In the processing procedure of the shaft tube of the transmission shaft cross shaft, the shaft tube needs to be welded, and the shaft tube is of a cylindrical structure, so that the shaft tube is easy to shake in the welding procedure to influence the welding effect.

Disclosure of Invention

The invention aims to provide a welding fixture for a cross shaft tube of a transmission shaft, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a transmission shaft cross shaft tube welding fixture comprises a base, wherein a support is installed on one side of the upper surface of the base, a hydraulic cylinder is installed on the support, a piston rod of the hydraulic cylinder is connected with a first clamping plate, fixed blocks are symmetrically welded on the upper surface of the base, a fixed shaft is fixed between the two fixed blocks, two movable rings are movably sleeved on the fixed shaft, connecting rods are hinged on the movable rings, a second clamping plate is arranged on the fixed shaft, one ends, close to the two connecting rods, are respectively hinged under the second clamping plate, push rods are symmetrically welded on one sides, far away from the two movable rings, of the base, a first box body is symmetrically arranged above the base, a first sealing plate is movably arranged in the first box body, one end of each push rod penetrates through the side wall of the first box body and is connected to the first sealing plate, a fixed plate, one side of the second sealing plate is fixed with a movable rod, one end of the movable rod penetrates through the side wall of the second box body and is connected with a third clamping plate, through holes are symmetrically formed in the fixed plate, pull rods are movably arranged in the through holes, one ends of the pull rods are fixed on the third clamping plate, handles are fixed to the other ends of the two pull rods, the top of the first box body is connected with air outlet pipes, and the two air outlet pipes are respectively communicated with the two second box bodies.

As a preferred embodiment, two ends of the fixed shaft are welded with limit blocks.

In a preferred embodiment, the second clamping plate is positioned right below the first clamping plate, and the second clamping plate is provided with a cross axle tube.

As a preferred embodiment, the size of the first sealing plate is matched with that of the inner cavity of the first box body, the size of the second sealing plate is matched with that of the inner cavity of the second box body, and sealing strips are arranged on the periphery of the first sealing plate and the periphery of the second sealing plate.

As a preferred embodiment, the first clamping plate, the second clamping plate and the third clamping plate are all arc-shaped structures, and rubber pads are arranged on the side walls of the first clamping plate, the second clamping plate and the third clamping plate.

Compared with the prior art, the invention has the beneficial effects that:

according to the welding fixture for the cross shaft tube of the transmission shaft, the shaft tube to be welded is prevented from being arranged on the second clamping plate through the arrangement of the base, the support, the hydraulic cylinder, the first clamping plate, the fixed block, the fixed shaft, the movable ring, the connecting rod, the clamping plate and the like, and the hydraulic cylinder drives the first clamping plate to descend, so that the shaft tube can be preliminarily fixed;

this transmission shaft cross axle central siphon welding jig is through setting up box one, box two, closing plate one, closing plate two, push rod, movable rod and outlet duct isotructure, at the in-process that splint one and splint two descend for two splint three phases are close to each other, and simultaneously under the effect of atmospheric pressure, have certain buffer function, avoid pressure to cause the bearing to damage excessively, are worth promoting.

Drawings

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

fig. 2 is a partial structural schematic diagram of the present invention.

In the figure: 1. a base; 2. a support; 3. a hydraulic cylinder; 4. a first clamping plate; 5. a fixed block; 6. a fixed shaft; 7. a movable ring; 8. a connecting rod; 9. a second clamping plate; 10. a push rod; 11. a first box body; 12. a first sealing plate; 13. a fixing plate; 14. a second box body; 15. a second sealing plate; 16. a movable rod; 17. a third clamping plate; 18. a pull rod; 19. a handle; 20. and an air outlet pipe.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention. The conditions in the embodiments can be further adjusted according to specific conditions, and simple modifications of the method of the present invention based on the concept of the present invention are within the scope of the claimed invention.

Referring to fig. 1-2, the invention provides a welding fixture for a cross shaft tube of a transmission shaft, which comprises a base 1, wherein a support 2 is installed on one side of the upper surface of the base 1, a hydraulic cylinder 3 is installed on the support 2, a piston rod of the hydraulic cylinder 3 is connected with a clamp plate 4, fixed blocks 5 are symmetrically welded on the upper surface of the base 1, a fixed shaft 6 is fixed between the two fixed blocks 5, and two ends of the fixed shaft 6 are welded with limit blocks.

Two movable rings 7 are movably sleeved on the fixed shaft 6, a connecting rod 8 is hinged to the movable rings 7, a clamping plate II 9 is arranged on the fixed shaft 6, the clamping plate II 9 is located right below the clamping plate I4, and a cross shaft tube is placed on the clamping plate II 9.

The one end that two connecting rods 8 are close to mutually articulates respectively under splint two 9, one side symmetric welding that two activity rings 7 kept away from mutually has push rod 10, the top symmetry of base 1 is provided with box 11, box 11 internalization is provided with closing plate one 12, the lateral wall that box 11 was run through to the one end of push rod 10 is connected on closing plate one 12, be fixed with fixed plate 13 on box 11, be fixed with box two 14 on the lateral wall of fixed plate 13, box two 14 internalization is provided with closing plate two 15, closing plate one 12 and box one 11 inner chamber size phase-match, closing plate two 15 and box two 14 inner chamber size phase-match, and closing plate one 12 and closing plate two 15 all be provided with the sealing strip all around.

One side of the second sealing plate 15 is fixed with a movable rod 16, the side wall of the second box 14 is run through by one end of the movable rod 16 and is connected with the third clamping plate 17, through holes are symmetrically formed in the fixing plate 13, a pull rod 18 is movably arranged in each through hole, one end of the pull rod 18 is fixed on the third clamping plate 17, the other ends of the two pull rods 18 are fixed with a handle 19, the top of the first box 11 is connected with an air outlet pipe 20, the two air outlet pipes 20 are respectively communicated with the second box 14, the first clamping plate 4, the second clamping plate 9 and the third clamping plate 17 are of arc-shaped structures, and the first clamping plate 4, rubber pads are arranged on the side walls.

When the device is used, the shaft tube is placed on the second clamping plate 9, then the hydraulic cylinder 3 is opened to enable the first clamping plate 4 to descend, under the action of the hydraulic cylinder 3, the first clamping plate 4 and the second clamping plate 9 are processed to be clamped by the shaft tube, meanwhile, the first clamping plate 4 and the second clamping plate 9 descend, the second clamping plate 9 pushes the two movable rings 7 to be away from each other through the connecting rod 8, the movable rings 7 push the first sealing plate 12 to move in the first box body 11, gas in the first box body 11 enters the second box body 14 through the gas outlet pipe 20, the sealing plate 15 is pushed to move under the action of air pressure, so that the three clamping plates 17 are close to each other, two ends of the shaft tube are clamped, the periphery of the shaft tube is clamped simultaneously, the clamping stability is improved, the shaft tube cannot shake during welding, the welding effect is ensured, after welding is completed, the first clamping plate 4 is reset by using the, under the effect of atmospheric pressure, splint two 9 resets, can take off the central siphon that the welding was accomplished, then carries out the welding of next time, and easy operation is worth promoting.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a transmission shaft cross axle central siphon welding jig, includes base (1), its characterized in that: the novel automatic sealing device is characterized in that a support (2) is installed on one side of the upper surface of a base (1), a hydraulic cylinder (3) is installed on the support (2), a piston rod of the hydraulic cylinder (3) is connected with a first clamping plate (4), fixing blocks (5) are symmetrically welded on the upper surface of the base (1), a fixing shaft (6) is fixed between the two fixing blocks (5), two movable rings (7) are movably sleeved on the fixing shaft (6), connecting rods (8) are hinged on the movable rings (7), a second clamping plate (9) is arranged on the fixing shaft (6), one ends, close to the two connecting rods (8), are respectively hinged under the second clamping plate (9), push rods (10) are symmetrically welded on one sides, far away from the two movable rings (7), box bodies (11) are symmetrically arranged above the base (1), a first sealing plate (12) is movably arranged in the box bodies (11), one end of each push rod (10) penetrates through the side, a fixing plate (13) is fixed on the first box body (11), a second box body (14) is fixed on one side wall of the fixing plate (13), a sealing plate second (15) is movably arranged in the second box body (14), a movable rod (16) is fixed on one side of the sealing plate second (15), one end of the movable rod (16) penetrates through the side wall of the second box body (14) and is connected with a clamping plate third (17), through holes are symmetrically formed in the fixing plate (13), a pull rod (18) is movably arranged in the through holes, one end of the pull rod (18) is fixed on the clamping plate third (17), handles (19) are fixed to the other ends of the two pull rods (18), an air outlet pipe (20) is connected to the top of the first box body (11), and the two air outlet pipes (20) are respectively communicated with.

2. The welding fixture for the cross shaft tube of the transmission shaft according to claim 1, wherein: and limiting blocks are welded at two ends of the fixed shaft (6).

3. The welding fixture for the cross shaft tube of the transmission shaft according to claim 1, wherein: the second clamping plate (9) is located right below the first clamping plate (4), and the cross shaft tube is placed on the second clamping plate (9).

4. The welding fixture for the cross shaft tube of the transmission shaft according to claim 1, wherein: the sealing plate I (12) is matched with the inner cavity size of the box I (11), the sealing plate II (15) is matched with the inner cavity size of the box II (14), and sealing strips are arranged on the periphery of the sealing plate I (12) and the periphery of the sealing plate II (15).

5. The welding fixture for the cross shaft tube of the transmission shaft according to claim 1, wherein: the clamping plates I (4), II (9) and III (17) are all arc-shaped structures, and rubber pads are arranged on the side walls of the clamping plates I (4), II (9) and III (17).