Welding device capable of achieving one-time forming

Abstract

The utility model relates to a one-time forming welding device which is used for welding a fuel tank, the fuel tank comprises an end cover and a cylinder body, the device comprises a bottom plate, an annular welding unit, a first lifting unit, a second lifting unit and two pressing units, and each pressing unit is provided with a suction cup unit and a hydraulic rod. The pressing units are installed on the two sides of the bottom plate, the end cover is installed on the first lifting unit, the cylinder body is installed on the second lifting unit, the second lifting unit lifts the cylinder body to a first preset position, the first lifting unit lifts the end cover to a second preset position, and the suction cup unit sucks the end cover and unfolds the end cover. The unfolded end cover is aligned with the cylinder body, and then the annular welding unit completes one-time welding. The welding gun is installed on the annular rail, the welding gun can surround the position to be welded by a circle, welding is completed, welding can be completed at a time, the position of a workpiece does not need to be adjusted, operation is easy, and efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding device technical field especially is related to a one -off forming's welding device. BACKGROUND

[0002] Fuel tank, namely the container of loading oil. Specifically, the device for storing fuel oil on the machine driven by diesel engine or gasoline engine. Especially for increasing the range or carrying the auxiliary oil tank of condensate oil or disposable oil tank. Fuel tank is the special container for storing hydraulic oil or hydraulic fluid in the hydraulic system. In addition to storing oil, fuel tank also plays the role of heat dissipation, separating bubbles and precipitating impurities in oil in the hydraulic system. Fuel tank has two kinds of open type tank and closed type tank. The open type tank is simple in structure, convenient to install and maintain, and is widely used in hydraulic systems. Closed type tank is generally used for pressure tank.

[0003] The patent for invention with publication number CN109773304A discloses a double-track welding device for intercooler, which comprises a base plate and a frame, and further comprises a rotating positioning unit, a welding unit, a lower supporting unit and an upper pressing unit. The workpiece to be welded is fixed by the rotating positioning unit and the upper pressing unit and the lower supporting unit, and is welded by the welding units on both sides. After welding one side, the rotating positioning unit turns over the workpiece for welding the other side. The device adopts a double-track, double-gun automatic welding device to realize double-track welding. The left and right frames are used to move the welding guns according to the track. The welding guns are moved to the starting position of the workpiece to start welding. After welding one side, the workpiece is turned over by rotating the hand wheel. The patent turns over manually, which is low in efficiency. The welding is not completed at one time, and needs to be repositioned, which is easy to cause multiple welding or missed welding.

[0004] Therefore, it is an urgent problem to provide a welding device capable of welding at one time without turning over the workpiece during welding. UTILITY MODEL CONTENTS

[0005] The utility model aims at overcoming the defects of the prior art and provides a one-off forming welding device.

[0006] The utility model can achieve the purpose by the following technical scheme.

[0007] According to one aspect of the utility model, a kind of welding device of one forming is provided, the device is used for the welding of fuel tank, the fuel tank includes end cap and barrel, the device includes bottom plate, annular welding unit, first lifting unit, second lifting unit and two with suction cup unit and hydraulic rod's pressure unit, the annular welding unit, first lifting unit and second lifting unit are installed on bottom plate, the suction cup unit and hydraulic rod are movably installed on pressure unit, the pressure unit is installed on the both sides of bottom plate, the end cap is installed on first lifting unit, the barrel is installed in second lifting unit, the second lifting unit lifts barrel to first predetermined position, the first lifting unit lifts end cap to second predetermined position, the suction cup unit sucks end cap and expands, the expanded end cap and barrel are aligned, and then annular welding unit completes one welding.

[0008] As a preferred technical scheme, the first lifting unit includes a first positioning plate, and the first positioning plate is consistent in size with the end cap.

[0009] As a preferred technical scheme, the suction cup unit and the first lifting unit are coaxial.

[0010] As a preferred technical scheme, the suction cup unit and the barrel are coaxial after being fully expanded.

[0011] As a preferred technical scheme, the pressure unit includes a cabinet body and a connecting rod mechanism, and the suction cup unit is connected to the cabinet body through the connecting rod mechanism.

[0012] As a preferred technical scheme, the annular welding unit includes an annular track, a welding gun and a second moving unit, the welding gun is installed on the second moving unit, and the second moving unit is installed on the annular track.

[0013] As a preferred technical scheme, the device further includes a first moving unit and a moving groove, the moving groove is installed on the bottom plate, the first moving unit is installed on the moving groove, and the annular track is installed on the first moving unit.

[0014] As a preferred technical scheme, the device further includes a laser pen, and the laser pen is installed on the second moving unit.

[0015] As a preferred technical scheme, the laser pen and the welding gun are aligned.

[0016] As a preferred technical scheme, the second lifting unit includes a second positioning plate, and the barrel is placed on the second positioning plate.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] 1. The welding gun is installed on the annular track, the welding gun can surround the to-be-welded position for one circle, and welding is completed, the welding can be completed at one time, the position of the workpiece does not need to be adjusted, the operation is simple, and the efficiency is high.

[0019] 2. The first positioning plate and the end cover are consistent in size, the suction cup unit and the first lifting mechanism are coaxial, the end cover and the barrel body are coaxial when the suction cup unit is completely unfolded, and the end cover and the barrel body are matched together, the positioning of the end cover and the barrel body is realized, and welding is facilitated.

[0020] 3. The utility model discloses a laser pen, the laser pen and the welding gun are aligned, the laser pen emits light, guides the welding position of the welding gun, and facilitates the positioning of the welding position of the welding gun.

[0021] 4. The utility model discloses a first moving unit and a moving groove are set, the position of the welding gun is adjusted in real time according to the welding position. DRAWINGS

[0022] Figure 1 It is the whole structure schematic view of the utility model discloses;

[0023] Figure 2 It is the front view of the utility model discloses.

[0024] 1. Base plate;2. Annular track;3. First moving unit;4. Second moving unit;5. Welding gun;6. Cabinet;7. Suction cup unit;8. Hydraulic rod;9. First lifting unit;10. Second lifting unit. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments are a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor should belong to the protection scope of the utility model.

[0026] Fuel tank, namely the container of oil. Specifically refers to the use of diesel or gasoline engine driven machine on the storage of fuel oil device. Especially for increasing the range or carrying condensate oil tank or disposable tank. Fuel tank is a hydraulic system to store hydraulic oil or hydraulic fluid special container. Fuel tank in the hydraulic system in addition to storage oil, but also play a heat dissipation, separation of bubbles in the oil, sedimentation of impurities, etc. Fuel tank has open tank and closed tank two kinds. Open tank simple structure, easy to install and maintain, hydraulic system generally adopt this form; closed tank is generally used for pressure tank. The existing technical scheme adopts the guide rail type welding of welding machine and welding gun, after welding, the whole workpiece is turned over and welded on the other side, the efficiency is low, and the automation degree is not high.

[0027] The utility model provides a one -off forming's welding set, the welding torch of the utility model is installed on the annular track, can surround the welding position and complete welding, can complete welding once, need not adjust the position of work piece, simple operation, high efficiency. The first positioning plate and the size of end cover are consistent, and the suction cup unit and the first lifting mechanism are coaxial, when the suction cup unit is fully unfolded, the end cover and the barrel are coaxial, and the end cover and the barrel are matched together, the positioning of the end cover and the barrel is realized, and the welding is convenient. The utility model sets up the laser pen, the laser pen and the welding gun are aligned, the laser pen emits light, guides the welding position of welding gun, and the welding position of welding gun is convenient to position. The utility model passes through setting up first mobile unit and moving groove, and the position of welding gun is adjusted in real time according to the welding position.

[0028] Embodiment 1

[0029] As shown in Figure 1 and Figure 2 , a one-off forming's welding set, the device is used for the welding of fuel tank, the fuel tank includes end cover and barrel, the device includes bottom plate 1, annular welding unit, first lifting unit 9, second lifting unit 10 and two compression units with suction cup unit 7 and hydraulic rod 8, the annular welding unit, first lifting unit 9 and second lifting unit 10 are installed on the bottom plate 1, the suction cup unit 7 and hydraulic rod 8 are movably installed on the compression unit, the compression unit is installed on both sides of the bottom plate 1, the end cover is installed on the first lifting unit 9, the barrel is installed on the second lifting unit 10, the second lifting unit 10 lifts the barrel to the first predetermined position, the first lifting unit 9 lifts the end cover to the second predetermined position, the suction cup unit 7 holds the end cover and unfolds, the unfolded end cover and barrel are aligned, and then the annular welding unit completes one welding.

[0030] The first lifting unit 9 includes a first positioning plate, and the first positioning plate is consistent with the size of the end cover.

[0031] The suction cup unit 7 and the first lifting unit 9 are coaxial. The fully unfolded suction cup unit 7 and the barrel are coaxial.

[0032] In the embodiment, the end cover and the barrel are placed on the first lifting unit 9 and the second lifting unit 10 in sequence, the second lifting unit 10 lifts the barrel to a preset height, the first lifting unit 9 lifts the end cover to a predetermined height, the suction cup unit 7 sucks the end cover, the first lifting unit 9 is lowered, then the hydraulic rod 8 is extended to unfold the suction cup unit and drive the end cover to align with the barrel, the annular welding unit performs annular welding on the position to be welded, and one-time forming is realized.

[0033] The first positioning plate is the same size as the end cover, the first positioning plate can perfectly fit the end cover, the suction cup unit 7 and the first lifting unit 9 are coaxial, so that the suction cup unit 7 sucks the center position of the end cover, the fully unfolded suction cup unit 7 and the barrel are coaxial, and the positioning of the end cover and the barrel is realized.

[0034] The pressing unit comprises a cabinet 6 and a connecting rod mechanism, and the suction cup unit 7 is connected with the cabinet 6 through the connecting rod mechanism.

[0035] In the embodiment, the folding and unfolding of the suction cup unit 7 are realized through the connecting rod mechanism, and the connecting rod mechanism is installed on the cabinet 6 through the connecting rod mechanism to provide support; the connecting rod mechanism comprises a connecting rod, a connecting shaft and a connecting hole, etc. The cabinet 6 is also provided with a hydraulic cylinder, etc. to control the extension and retraction of the hydraulic rod 8, the hydraulic rod 8 is connected with one end of the suction cup unit 7 to control the folding and unfolding of the suction cup unit 7.

[0036] The annular welding unit comprises an annular track 2, a welding gun 5 and a second moving unit 4, the welding gun 5 is installed on the second moving unit 4, and the second moving unit 4 is installed on the annular track 2.

[0037] The device further comprises a first moving unit 3 and a moving groove, the moving groove is installed on the bottom plate 1, the first moving unit 3 is installed on the moving groove, and the annular track 2 is installed on the first moving unit 3. The device further comprises a laser pen, the laser pen is installed on the second moving unit 4. The laser pen and the welding gun 5 are aligned.

[0038] In the embodiment, the first moving unit comprises a moving wheel and a motor, and other moving modes can also be adopted. The first moving unit 3 is installed in the moving groove and can move according to the position to be welded. The welding gun 5 is installed on the annular track 2 through the second moving unit 4, the second moving unit 4 comprises a motor and a moving wheel (other modes can also be adopted) and moves on the annular track 2, surrounds the position to be welded for one round, and then performs welding. A laser pen is further arranged on the second moving unit 4, the laser pen and the welding gun are arranged in an up-down mode, the laser emitted by the laser pen and the welding gun are in the same vertical plane, and the laser of the laser pen is used for positioning the position to be welded and indicating the position to be welded by the welding gun.

[0039] The second lifting unit 10 comprises a second positioning plate, and the barrel is placed on the second positioning plate. The positioning plate is used for positioning the position of the barrel.

[0040] The above merely illustrates the specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can easily think of various equivalent modifications or replacements within the technical range disclosed by the present application, and these modifications or replacements should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A one-shot welding device for welding a fuel tank, the fuel tank comprising an end cap and a barrel, characterised in that, The device comprises a base plate (1), a ring-shaped welding unit, a first lifting unit (9), a second lifting unit (10) and two pressing units with suction cup units (7) and hydraulic rods (8), the ring-shaped welding unit, the first lifting unit (9) and the second lifting unit (10) are installed on the base plate (1), the suction cup units (7) and the hydraulic rods (8) are movably installed on the pressing units, the pressing units are installed on both sides of the base plate (1), the end cap is installed on the first lifting unit (9), the barrel is installed on the second lifting unit (10), the second lifting unit (10) lifts the barrel to a first predetermined position, the first lifting unit (9) lifts the end cap to a second predetermined position, the suction cup units (7) suck the end cap and expand, the expanded end cap and the barrel are aligned, and then the ring-shaped welding unit completes a welding.

2. A one-time forming welding device according to claim 1, characterized in that The first lifting unit (9) comprises a first positioning plate, and the first positioning plate is consistent in size with the end cap.

3. A one-time forming welding device according to claim 1, characterized in that The suction cup units (7) and the first lifting unit (9) are coaxial.

4. A one-time forming welding device according to claim 1, characterized in that The suction cup units (7) and the barrel are coaxial after being fully expanded.

5. A one-time forming welding device according to claim 1, characterized in that The pressing unit comprises a cabinet (6) and a connecting rod mechanism, and the suction cup units (7) are connected with the cabinet (6) through the connecting rod mechanism.

6. A one-time forming welding device according to claim 1, characterized in that The ring-shaped welding unit comprises a ring-shaped track (2), a welding gun (5) and a second moving unit (4), the welding gun (5) is installed on the second moving unit (4), and the second moving unit (4) is installed on the ring-shaped track (2).

7. A one-time forming welding device according to claim 6, characterized in that The device further comprises a first moving unit (3) and a moving groove, the moving groove is installed on the base plate (1), the first moving unit (3) is installed on the moving groove, and the ring-shaped track (2) is installed on the first moving unit (3).

8. A one-time forming welding device according to claim 6, characterized in that The device further comprises a laser pen, and the laser pen is installed on the second moving unit (4).

9. A one-time forming welding device according to claim 8, characterized in that The laser pen and the welding gun (5) are aligned.

10. A one-time forming welding device according to claim 1, characterized in that The second lifting unit (10) comprises a second positioning plate, and the barrel is placed on the second positioning plate.

Images