Vertical girth welding device for thin-wall container

Abstract

The utility model discloses a thin-wall container vertical girth welding device which comprises a base and a welding support, the welding support is fixedly installed on one side of the upper end of the base, a rotating motor is arranged on the other side of the upper end of the base, a rotating installation disc is arranged at the upper end of the rotating motor, and an adjusting welding structure is arranged in the welding support. The utility model relates to the technical field of welding equipment, in particular to an adjustable welding structure, which is characterized in that firstly, two annular containers can be stably mounted through a rotary mounting disc and a hoisting fixing component, a gap of an annular seam position is ensured, and the annular containers are rotated at a constant speed through a motor, so that the annular seam welding operation can be conveniently carried out on the annular containers; and the screw rod is matched with the electric push rod, so that the height and the transverse position of the welding gun can be adjusted, and welding operation of annular containers of different specifications can be met.

Description

Technical Field

[0001] The utility model relates to the technical field of welding equipment, in particular to a vertical annular seam welding device for a thin-walled container. Background Art

[0002] Container ring welding refers to the welding of the ring seam of the container, which is usually used to manufacture cylindrical or conical containers, such as storage tanks, pipes, etc.

[0003] Most of the current containers use manual welding for annular seam welding operations. However, the manual welding method has unstable welding speed control, which may lead to uneven thickness of the weld joint or even weld fracture, and the overall welding efficiency is difficult to guarantee. In view of this, there may be technical means to solve the above problems in the prior art, but this case intends to provide an alternative or replacement technical solution. Utility Model Content

[0004] To achieve the above purpose, the utility model is implemented by the following technical solutions: a thin-walled container vertical circumferential seam welding device, comprising a base and a welding bracket, the welding bracket is fixedly installed on one side of the upper end of the base, a rotating motor is provided on the other side of the upper end of the base, a rotating mounting plate is provided on the upper end of the rotating motor, and an adjusting welding structure is provided in the welding bracket;

[0005] The adjustable welding structure comprises: a lifting motor, a screw rod, a lifting block, a mounting frame, an electric push rod, a welding machine body, a welding gun and a lifting and fixing assembly;

[0006] The lifting motor is fixedly installed at the center of the lower end of the welding bracket, one end of the screw rod is connected to the driving end of the lifting motor, and the other end is embedded in the upper wall of the welding bracket, the lifting block is movably embedded in the welding bracket, and is sleeved on the upper end of the screw rod, the mounting frame is movably embedded on both sides of the lifting block, the electric push rod is fixedly installed on the wall of one side of the lifting block, and the telescopic end is connected to one side of the mounting frame, the welding machine body is fixedly installed on the other side of the upper end of the mounting frame, the welding gun is located on the wall of the other side of the mounting frame, and the hoisting and fixing assembly is movably embedded in the upper end of the welding bracket.

[0007] Preferably, the hoisting and fixing assembly comprises: a hoisting threaded rod, a nut, a rotating flange and a hoisting ring;

[0008] The lifting threaded rod is movably embedded in the welding bracket, the nut is movably sleeved on the upper end of the lifting threaded rod, the rotating flange is fixedly installed on the lower end of the lifting threaded rod, and the lifting ring is fixedly installed on the lower end of the rotating flange.

[0009] Preferably, two support rods are provided on one side of the upper end of the mounting frame.

[0010] Preferably, the lifting block is internally processed with an internal thread matching the screw rod.

[0011] Preferably, a plurality of positioning holes are provided on the upper end of the rotating mounting plate.

[0012] Preferably, positioning rods are movably embedded in four of the positioning holes.

[0013] Beneficial Effects

[0014] The utility model provides a vertical circumferential seam welding device for thin-walled containers, which has the following beneficial effects: the adjustable welding structure adopted in this case can firstly realize the stable installation of two annular containers through the arranged rotating mounting plate and the lifting and fixing assembly, ensure the gap at the position of the annular seam, and make it rotate at a uniform speed through the motor to facilitate the circumferential seam welding operation, and through the cooperation of the arranged screw rod and the electric push rod, the height and lateral position of the welding gun can be adjusted to meet the welding operation of annular containers of different specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the main stereoscopic structure of a vertical circumferential seam welding device for thin-walled containers described in the utility model.

[0016] Figure 2 It is a rear perspective structural schematic diagram of a vertical circumferential seam welding device for a thin-walled container described in the utility model.

[0017] Figure 3 It is a side structural schematic diagram of a vertical circumferential seam welding device for thin-walled containers described in the utility model.

[0018] In the figure: 1. base, 2. welding bracket, 3. rotating motor, 4. rotating mounting plate, 5. lifting motor, 6. screw, 7. lifting block, 8. mounting frame, 9. electric push rod, 10. welding machine body, 11. welding gun, 12. lifting threaded rod, 13. nut, 14. rotating flange, 15. lifting ring, 16. support rod, 17. positioning hole, 18. positioning rod. DETAILED DESCRIPTION

[0019] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0020] Example: See Figure 1-3In order to solve the problem that the welding effect is difficult to ensure and the operation efficiency is low due to the current manual welding, a thin-walled container vertical circumferential seam welding device is provided, which includes a base 1 and a welding bracket 2. The welding bracket 2 is fixedly installed on one side of the upper end of the base 1. A rotating motor 3 is provided on the other side of the upper end of the base 1. A rotating mounting plate 4 is provided on the upper end of the rotating motor 3. An adjusting welding structure is provided in the welding bracket 2.

[0021] The adjustment welding structure includes: a lifting motor 5, a screw rod 6, a lifting block 7, a mounting frame 8, an electric push rod 9, a welding machine body 10, a welding gun 11 and a hoisting and fixing assembly;

[0022] The lifting motor 5 is fixedly installed at the center of the lower end of the welding bracket 2, one end of the screw rod 6 is connected to the driving end of the lifting motor 5, and the other end is embedded in the upper wall of the welding bracket 2, the lifting block 7 is movably embedded in the welding bracket 2, and is sleeved on the upper end of the screw rod 6, the mounting frame 8 is movably embedded on both sides of the lifting block 7, the electric push rod 9 is fixedly installed on the wall on one side of the lifting block 7, and the telescopic end is connected to one side of the mounting frame 8, the welding machine body 10 is fixedly installed on the other side of the upper end of the mounting frame 8, the welding gun 11 is located on the other side of the wall of the mounting frame 8, and the lifting and fixing assembly is movably embedded in the upper end of the welding bracket 2.

[0023] When in use, the staff first places the bottom end of the annular container on the rotating mounting plate 4, and limits and fixes the bottom end of the annular container by cooperating with the positioning rod 18 and the plurality of positioning holes 17, then fixes the top end of the annular container to the upper end of the hoisting and fixing assembly, and adjusts the joint with the bottom end of the annular container to a specified width, then drives the lifting motor 5 in the welding bracket 2, and the lifting motor 5 cooperates with the screw rod 6 to adjust the height of the lifting block 7 and the mounting frame 8 to the specified position, and makes the welding gun 11 on one side of the mounting frame 8 consistent with the height of the joint position, then drives the electric push rod 9 on one side of the lifting block 7 to work, and drives the mounting frame 8 to move to one side in the lifting block 7 until the welding gun 11 contacts the joint position, and then passes through the welding machine body 1 0 cooperates with the welding gun 11 to perform preliminary spot welding operation on the joint position. When the joint position is spot welded for one circle, the staff drives the rotating motor 3 to work, and drives the annular container to rotate at a uniform speed through the rotating motor 3, and cooperates with the set welding gun 11 to perform annular welding operation on the joint position. When all welding is completed, the hoisting and fixing components are separated from the annular container, and then the positioning rod 18 is removed to achieve the purpose of unloading the welded container. The rotating motor 3 and the lifting motor 5 are both servo motors. The servo motor drive mode has high dynamic response capability and rotation accuracy, which can effectively ensure the welding effect of the annular weld, and the screw rod 6 and the electric push rod 9 are set to achieve the purpose of welding annular containers of different specifications.

[0024] Further, the hoisting and fixing assembly includes: a hoisting threaded rod 12, a nut 13, a rotating flange 14 and a hoisting ring 15;

[0025] The lifting threaded rod 12 is movably embedded in the welding bracket 2, the nut 13 is movably sleeved on the upper end of the lifting threaded rod 12, the rotating flange 14 is fixedly installed on the lower end of the lifting threaded rod 12, and the lifting ring 15 is fixedly installed on the lower end of the rotating flange 14.

[0026] When fixing the top of the annular container, the lifting and fixing of the top of the annular container can be achieved through the set lifting ring 15, and the top of the annular container is initially fixed. Then, according to the width of the weld position, the position of the nut 13 in the upper end of the lifting threaded rod 12 is adjusted, and the exposed length of the lifting threaded rod 12 at the lower end of the welding bracket 2 can be changed, so that the weld can be accurately adjusted. Through the set rotating flange 14, the top of the annular container that has been spot-welded can be rotated with the bottom of the annular container, and through the two support rods 16 set at the upper end of the mounting frame 8, the top of the annular container can be auxiliary limited to avoid shaking of the top of the annular container and ensure the concentricity of the top of the annular container and the bottom of the annular container.

[0027] Furthermore, two support rods 16 are provided on one side of the upper end of the mounting frame 8 .

[0028] Furthermore, the lifting block 7 is internally processed with an internal thread matching the screw rod 6 .

[0029] Furthermore, a plurality of positioning holes 17 are formed on the upper end of the rotating mounting plate 4 .

[0030] Furthermore, positioning rods 18 are movably embedded in four of the positioning holes 17 .

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A thin-wall container vertical circumferential seam welding device, comprising a base (1) and a welding bracket (2), characterized in that: The welding bracket (2) is fixedly mounted on one side of the upper end of the base (1); a rotating motor (3) is provided on the other side of the upper end of the base (1); a rotating mounting plate (4) is provided on the upper end of the rotating motor (3); and an adjusting welding structure is provided inside the welding bracket (2); The adjustable welding structure comprises: a lifting motor (5), a screw rod (6), a lifting block (7), a mounting frame (8), an electric push rod (9), a welding machine body (10), a welding gun (11) and a lifting and fixing assembly; The lifting motor (5) is fixedly mounted at the center of the lower end of the welding bracket (2); one end of the screw rod (6) is connected to the driving end of the lifting motor (5), and the other end is embedded in the upper wall of the welding bracket (2); the lifting block (7) is movably embedded in the welding bracket (2) and is sleeved on the upper end of the screw rod (6); the mounting frame (8) is movably embedded on both sides of the lifting block (7); the electric push rod (9) is fixedly mounted on the wall of one side of the lifting block (7), and the telescopic end is connected to one side of the mounting frame (8); the welding machine body (10) is fixedly mounted on the other side of the upper end of the mounting frame (8); the welding gun (11) is located on the wall of the other side of the mounting frame (8); and the hoisting fixing component is movably embedded in the upper end of the welding bracket (2).

2. A thin-wall container vertical circumferential seam welding device according to claim 1, characterized in that: The hoisting and fixing assembly comprises: a hoisting threaded rod (12), a nut (13), a rotating flange (14) and a hoisting ring (15); The lifting threaded rod (12) is movably embedded in the welding bracket (2), the nut (13) is movably mounted on the upper end of the lifting threaded rod (12), the rotating flange (14) is fixedly mounted on the lower end of the lifting threaded rod (12), and the lifting ring (15) is fixedly mounted on the lower end of the rotating flange (14).

3. A thin-wall container vertical circumferential seam welding device according to claim 1, characterized in that: Two support rods (16) are provided on one side of the upper end of the mounting frame (8).

4. A thin-wall container vertical circumferential seam welding device according to claim 1, characterized in that: The lifting block (7) is internally processed with an internal thread matching the screw rod (6).

5. A thin-wall container vertical circumferential seam welding device according to claim 1, characterized in that: A plurality of positioning holes (17) are formed at the upper end of the rotating mounting plate (4).

6. A thin-wall container vertical circumferential seam welding device according to claim 5, characterized in that: Positioning rods (18) are movably embedded in four of the positioning holes (17).

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