WO2017114090A1

WO2017114090A1 - Welding apparatus

Info

Publication number: WO2017114090A1
Application number: PCT/CN2016/108212
Authority: WO
Inventors: 周国荣; 董洪波; 邓小亮
Original assignee: 江西鑫田车业有限公司
Priority date: 2015-12-29
Filing date: 2016-12-01
Publication date: 2017-07-06
Also published as: CN105458468A; CN105458468B

Abstract

A welding apparatus, comprising a rack (10), the rack (10) is provided with an electric cabinet (700) and an operating platform (20) arranged atop, the top side of the operating platform is fixed with a first positioning tank (30) for positioning a first welding workpiece, the two sides thereof are respectively provided with a guide rail extending longitudinally for holding a second welding workpiece, the external side of each guide rail is provided with a second positioning tank (40) for positioning the second welding workpiece, the two guide rails are respectively provided with a shifting guide rail (50) capable of longitudinal movements, the top end of the shifting guide rail (50) is provided with a fixed support for welding torch (70), and a welding torch is fixed onto the fixed support for welding torch (70); when the shifting guide rail (50) moves longitudinally at a speed according to the setting parameters of an electric cabinet (700), the fixed support for welding torch (70) moves longitudinally while carrying the welding torch, such that the welding torch welds the first welding workpiece with the second welding workpiece according to the setting parameters of the electric cabinet (700). The welding apparatus is provided with two welding torches for simultaneous welding of a radiator, which improves the efficiency and quality of welding.

Description

Welding equipment

Technical field

This invention relates to welding equipment and, more particularly, to a welding apparatus for welding automotive radiators.

Background technique

At present, the main aluminum water chamber of the automobile radiator and the main piece of the heat dissipation core body need to be welded by argon arc welding for connection. If manual welding is used, the workers are sequentially welded, and the welding time of each radiator is long, and after welding There is a weld bead in the finished product, and the appearance is ugly.

Summary of the invention

It is an object of the invention to provide a welding apparatus having a high welding efficiency.

In order to achieve the above object, the present invention provides a welding apparatus including a frame, the frame is provided with an electric control box and a console provided at a top end of the bracket, and the top side of the console is fixed for use. The first positioning cylinder for positioning the first welding workpiece, the two sides of the operation table are respectively provided with a longitudinally extending guide rail for placing the second welding workpiece, and each of the outer rails is provided with the outer side for positioning a second positioning cylinder for welding the workpiece, wherein the two rails are respectively provided with a displacement rail controlled by the electric control box and movable along the longitudinal direction, and the top end of the displacement rail is provided with a welding gun fixing bracket. The welding gun is fixed to the welding gun fixing bracket, and the welding gun is aligned with the gap between the first welding workpiece and the second welding workpiece, and the displacement rail is along a certain speed according to the setting parameter received by the electric control box. When the longitudinal movement is performed, the welding gun fixing bracket drives the welding gun to move longitudinally, so that the welding gun welds the first welding workpiece and the second welding workpiece according to the setting parameters of the electric control box.

As an improvement of the welding apparatus of the present invention, the setting parameters received by the electric control box are the moving speed and direction.

As an improvement of the welding apparatus of the present invention, the equipment parameters received by the electric control box further include voltage and current of welding.

As an improvement of the welding apparatus of the present invention, the two sides of the operation table are respectively provided with a motor and a ball screw connecting the motor, and the displacement rail is sleeved on the ball screw and is subjected to the The ball screw is driven to move longitudinally at a certain speed and direction.

As an improvement of the welding apparatus of the present invention, the outer side of the shift rail is connected to a welding gun shifting cylinder, and the welding gun shifting cylinder controls the shifting rail to move in the horizontal direction.

As a modification of the welding apparatus of the present invention, the top end of the moving rail is provided with a welding gun fixing bracket, and the welding gun fixing bracket includes a vertical portion and a horizontal portion fixed perpendicularly to the vertical portion, the horizontal portion is vertical A welding gun lifting cylinder is fixed, and the welding gun is fixed to the welding gun lifting cylinder, and the welding gun lifting cylinder controls the welding gun to move in a vertical direction.

As an improvement of the welding apparatus of the present invention, wherein the bottom end of the welding gun lifting cylinder is connected to a regulator, the welding gun is fixed to the regulator, and the regulator can control the welding gun to generate adjustment along the X, Y axis Displacement.

As a modification of the welding apparatus of the present invention, the operation table includes two parallel opposing beams disposed on the front and rear sides thereof and a longitudinal beam vertically connecting the two beams, the first positioning cylinders being longitudinally arranged in the longitudinal direction The stringer.

As an improvement of the welding apparatus of the present invention, wherein the motor, the welding gun shift cylinder and the welding gun lifting cylinder are both controlled by the electric control box, the electric control box receives setting parameters and controls the motor according thereto The rotational speed and reverse, the torch shift cylinder and the movement of the torch lift cylinder.

As an improvement of the welding apparatus of the present invention, the motor, the ball screw, the shift rail, the welding gun shifting cylinder, the welding gun fixing bracket, the welding gun lifting cylinder, the adjusting device and the welding gun are all symmetrically arranged with respect to the horizontal beam in the horizontal direction. .

Compared with the prior art, the welding device of the present invention is provided with two welding torches for simultaneously welding the heat sink, which greatly improves the welding efficiency. Since the welding equipment controls the uniform movement of the welding gun, the welding gap control is consistent. Therefore, the effect of welding does not have fish scales, and the weld bead is uniform and the appearance is beautiful. Mechanically controlled welding can also improve the quality of the weld, increase the service life, and reduce the water leakage rate of the radiator.

DRAWINGS

The welding apparatus of the present invention and its beneficial effects will be described in detail below with reference to the accompanying drawings and specific embodiments.

Figure 1 is a front elevational view of a welding apparatus of the present invention.

Figure 2 is a side elevational view of the welding apparatus of the present invention.

Figure 3 is a partial enlarged view of the welding apparatus of Figure 1.

Figure 4 is a partial enlarged view of the welding apparatus of Figure 2.

detailed description

The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. The specific embodiments described in the specification are to be construed as illustrative only and not limiting.

Referring to FIGS. 1 through 4, the welding apparatus 100 of the present invention is used to weld the water chamber 200 of the automobile radiator and the heat dissipation core 300. The welding apparatus 100 includes a frame 10. The top end of the frame 10 is provided with a console 20. The console 20 includes two parallel opposing beams 11 disposed on the front and rear sides thereof and a longitudinal beam 12 vertically connecting the two beams 11. A plurality of first positioning cylinders 30 are arranged on the longitudinal beam 12 for positioning the heat dissipation core 300. Two guide rails 21 are respectively disposed on two sides of the operation table 20, and a water chamber 200 is respectively disposed on the two guide rails 21. The operation table 20 is respectively provided with a second positioning cylinder 40 on the outer side of the two guide rails 40 for positioning the two water chambers 200 on both sides.

A displacement rail 50 is disposed on a top side of each of the water chambers 200. Motors 400 are respectively disposed on two sides of the operation table 20, and the motor 400 is coupled to a longitudinally extending ball screw 401. Each of the shift rails 50 is sleeved on a corresponding ball screw 401. The motor 400 rotates to rotate the ball screw 401 to move the shift rail 50 along the ball screw 401 at a certain speed in the longitudinal direction. Said The outer side of the shift rail 50 is coupled to a welding gun shift cylinder 60 that controls the rail 50 to move in the horizontal direction. The top end of the moving rail 50 is provided with a welding gun fixing bracket 70. The welding gun fixing bracket 70 includes a vertical portion 71 and a horizontal portion 72 that is vertically fixed to the vertical portion 71. The horizontal portion 72 is vertically fixed with a torch lift cylinder 80. The bottom end of the welding gun lifting cylinder 80 is connected to a regulator 90, and the welding gun 500 is fixed to the regulator 90. The adjuster 90 can control the welding gun 500 to produce an adjusted displacement along the X, Y axes. The torch lift cylinder 80 controls the vertical movement of the adjuster 90.

The shift motor 400, the ball screw 401, the shift rail 50, the welding gun shift cylinder 60, the welding gun fixing bracket 70, the welding gun lifting cylinder 80, the adjuster 90 and the welding gun 500 are all symmetrically arranged with respect to the longitudinal beam 12 in the horizontal direction. .

The bottom end of the frame 10 is provided with a welding box 600 and an electric control box 700. After the heat sink core 300 and the water chamber 200 are manually fastened, they are placed on the guide rail 21 of the welding device 100. After the second positioning cylinder 40 is pressed, the welding gun 500 starts to work, and the welding gun 500 is fixed to the welding gun moving cylinder 60. In the above, the parameters set by the operator in the electric control box 700, the feed speed, the welding current, the voltage, the welding time, etc., the electric control box 700 controls the motor 400, the welding gun shift cylinder 60, and the welding gun to lift The cylinder 80 operates to control the welding torch 500 to continuously weld at a certain speed, direction, welding current, voltage and time between the water chamber 200 and the gap between the main sheets of the heat dissipation core 300. The welding apparatus 100 of the present invention is provided with two welding torches 500 for simultaneously welding the heat sink, which greatly improves the welding efficiency. Since the welding device 100 controls the uniform movement of the welding gun 500 and the gap control is uniform, the welding effect is not fish scale, and the welding bead is uniform and the appearance is beautiful. Mechanically controlled welding can also improve the quality of the weld, increase the service life, and reduce the water leakage rate of the radiator.

In the present embodiment, the welding apparatus 100 has a lateral dimension A of 2100 mm, a longitudinal dimension C of 1480, and a height dimension B of 1950. However, the size of the welding apparatus 100 may be adjusted depending on the dimensional change of the water chamber 200 and the heat dissipation core 300 to be welded.

According to the disclosure and teaching of the above description, those skilled in the art to which the present invention pertains may also The embodiments are subject to appropriate changes and modifications. Therefore, the invention is not limited to the specific embodiments disclosed and described herein, and the modifications and variations of the invention are intended to fall within the scope of the appended claims. In addition, although specific terms are used in the specification, these terms are merely for convenience of description and do not limit the invention.

Claims

A welding apparatus includes a frame, the frame is provided with an electric control box and a console disposed at a top end of the bracket, and a top side of the console is fixed with a plurality of first positioning positions for positioning the first welding workpiece a second guide cylinder for positioning the second welding workpiece is disposed on each side of the rail, and a second positioning cylinder for positioning the second welding workpiece is disposed on each side of the rail Each of the two guide rails is respectively provided with a shift rail controlled by the electric control box and movable along a longitudinal direction, and a top end of the shift rail is provided with a welding gun fixing bracket, and the welding gun is fixed to the welding gun fixing bracket. And the welding gun is aligned with the gap between the first welding workpiece and the second welding workpiece, and the welding gun fixing bracket is moved along the longitudinal direction according to the setting parameter received by the electric control box. The longitudinal movement of the welding torch is driven to further weld the first welding workpiece and the second welding workpiece according to the setting parameters of the electric control box.
A welding apparatus according to claim 1, wherein said setting parameters received by said electric control box are moving speed and direction.
The welding apparatus according to claim 2, wherein the equipment parameters received by the electric control box further include voltage and current of welding.
The welding apparatus according to claim 2 or 3, characterized in that: two sides of the operation table are respectively provided with a motor and a ball screw connecting the motor, and the displacement rail is sleeved on the ball screw And being longitudinally moved by the ball screw at a certain speed and direction.
A welding apparatus according to claim 4, wherein an outer side of said shift rail is coupled to a torch shift cylinder, and said torch shift cylinder controls said shift rail to move in a horizontal direction.
A welding apparatus according to claim 5, wherein a top end of said moving rail is provided with a welding gun fixing bracket, and said welding gun fixing bracket includes a vertical portion and a horizontal portion fixed perpendicularly to said vertical portion, said horizontal A welding gun lifting cylinder is vertically fixed, and the welding gun is fixed to the welding gun lifting cylinder, and the welding gun lifting cylinder controls the welding gun to move in a vertical direction.
A welding apparatus according to claim 6, wherein said bottom end of said welding gun lifting cylinder is connected to a regulator, said welding gun being fixed to said regulator, said regulator controlling said welding torch along X, Y The shaft produces an adjusted displacement.
A welding apparatus according to claim 1, wherein said operation table comprises two parallel opposing beams disposed on front and rear sides thereof and longitudinal members vertically connecting said two beams, said first positioning cylinder being longitudinally arranged Grounded on the stringer.
A welding apparatus according to claim 6, wherein said motor, the welding gun shift cylinder and said welding gun lifting cylinder are both controlled by said electric control box, said electric control box receiving setting parameters and controlling according to the same The rotational speed and reversal of the motor, the movement of the welding gun shift cylinder and the welding gun lift cylinder.
The welding apparatus according to claim 8, wherein said motor, ball screw, shift rail, welding gun shifting cylinder, welding gun fixing bracket, welding gun lifting cylinder, regulator and welding gun are all horizontally opposed to the longitudinal beam. The direction is set symmetrically.