Automatic welding device for welding seam of pipe fitting

Abstract

The utility model discloses an automatic welding device for pipe fitting weld joints, which relates to the technical field of pipe fitting welding and comprises a fixed bottom frame, a plurality of groups of strip-shaped holes are formed in the top wall of the fixed bottom frame, and a plurality of groups of bearing components are arranged on the top wall of the fixed bottom frame. And multiple sets of push-pull assemblies fixed to the bottom end of the bearing assembly are installed on the two sides of the top wall of an inner cavity of the fixed bottom frame correspondingly, a lifting frame is installed on the rear side of the top wall of the fixed bottom frame, a sliding lifting assembly is installed on the top wall of an inner cavity of the lifting frame, and a welding assembly is installed at the bottom end of the sliding lifting assembly. Two sets of metal pipes to be welded are placed between the two sets of bearing assemblies, the ends of the two sets of metal pipes are attached to each other, the welding assembly is started to weld the ends of the two sets of metal pipes, and the two sets of bearing assemblies are synchronously started in the welding process to drive the metal pipes to rotate synchronously. And therefore, different angles of the end part of the metal pipe fitting can be fully welded.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of pipe fitting welding, in particular to a pipe fitting welding seam automatic welding device. BACKGROUND

[0002] Metal pipe fittings need to be spliced and welded with each other according to the use requirement before use to increase the length size, and the welding work is mainly completed by manual work, and one person needs to hold a welding gun and the other person needs to assist in fixing the metal pipe fittings to complete the welding work, so that the welding efficiency is low and the labor cost is high, therefore, the utility model provides a pipe fitting welding seam automatic welding device different from the prior art to solve the above technical problems. SUMMARY

[0003] In order to improve the above-mentioned problems that one person needs to hold a welding gun and the other person needs to assist in fixing the metal pipe fittings to complete the welding work, the welding efficiency is low and the labor cost is high, the utility model provides a pipe fitting welding seam automatic welding device.

[0004] The utility model provides a pipe fitting welding seam automatic welding device adopts the following technical scheme:

[0005] A pipe fitting welding seam automatic welding device, including fixed base frame, the top wall of fixed base frame is equipped with a plurality of strip holes, the top wall position of fixed base frame is provided with a plurality of supporting assemblies, the both sides position of fixed base frame inner chamber top wall is all installed a plurality of with the bottom of supporting assembly Fixed push -pull assembly, the rear position of fixed base frame top wall is installed with hoist frame, the inner chamber top wall position of hoist frame is installed with sliding hoist assembly, the bottom of sliding hoist assembly is installed with welding assembly.

[0006] Through the above technical scheme, the two groups of metal pipe fittings to be welded are placed between the two groups of supporting assemblies, and the end portions of the two groups of metal pipe fittings are attached to each other, the welding assembly is started to weld the end portions of the two groups of metal pipe fittings, and the two groups of supporting assemblies are started synchronously to drive the metal pipe fittings to rotate synchronously during the welding process, so that the different angles of the end portions of the metal pipe fittings can be welded fully.

[0007] Optionally, the supporting assembly includes a mounting base frame, the mounting base frame is arranged on the top wall of the fixed base frame, a second mounting frame is mounted on the outer wall of one side of the mounting base frame, a drive motor is mounted at the bottom position of the inner cavity of the second mounting frame, and a transmission roller is fixedly sleeved with the output shaft of the drive motor extending into the inner cavity of the mounting base frame.

[0008] Through the above technical scheme, the two groups of drive motors are started synchronously to drive the transmission rollers to rotate synchronously during the welding process, so that the metal pipe fittings can be driven to rotate synchronously, and the different angles of the end portions of the metal pipe fittings can be welded fully.

[0009] Optionally, the push-pull assembly comprises a first mounting frame fixed on the inner cavity top wall of the fixed base, and a second air cylinder is mounted in the inner cavity of the first mounting frame, and a connecting vertical plate is mounted on the output end of the second air cylinder and fixed on the position of the bottom wall of the mounting base.

[0010] By adopting the above technical scheme, the synchronous extension and contraction of the two groups of second air cylinders can drive the synchronous movement of the connecting vertical plate, the mounting base and the transmission rollers, so that the horizontal distance between the two groups of transmission rollers can be adjusted, and different pipe diameters can be placed.

[0011] Optionally, the lifting assembly comprises a lifting slide rod fixed on the inner cavity top wall of the lifting frame, and a lifting slide block is mounted on the outer wall of the lifting slide rod.

[0012] Optionally, the welding assembly comprises a third mounting frame fixed on the bottom wall of the lifting slide block, a first air cylinder is mounted in the inner cavity of the third mounting frame, and a welding gun body is mounted on the end of the output shaft of the first air cylinder.

[0013] Optionally, an abutting assembly is mounted on one side of the inner cavity top wall of the lifting frame.

[0014] Optionally, the abutting assembly comprises a mounting vertical plate fixed on the inner cavity top wall of the lifting frame, a nut is fixedly embedded in the lower end position inside the mounting vertical plate, a screw rod is threadedly sleeved in the inner cavity of the nut and penetrates through the nut, a handle is mounted on one end of the screw rod, and the other end of the screw rod is rotatably connected with the outer wall of the third mounting frame through a bearing.

[0015] By adopting the above technical scheme, the screw rod is rotated by rotating the handle, so that the third mounting frame, the first air cylinder and the welding gun body are synchronously moved to the appropriate position, the position of the welding gun body is adjusted, and the welding of the two groups of pipe fittings with different lengths is facilitated.

[0016] In summary, the present application has at least the following beneficial effects:

[0017] The two groups of metal pipe fittings to be welded are placed between the two groups of transmission rollers, and the end portions of the two groups of metal pipe fittings are attached to each other, the first air cylinder is started to extend to drive the welding gun body to move downward and weld the end portions of the two groups of metal pipe fittings, and the two groups of driving motors are started synchronously to drive the transmission rollers and the metal pipe fittings to rotate synchronously, which facilitates further liberation of manpower and saves labor cost.

[0018] The synchronous extension and contraction of the two groups of second air cylinders can drive the synchronous movement of the connecting vertical plate, the mounting base and the transmission rollers, so that the horizontal distance between the two groups of transmission rollers can be adjusted, and different pipe diameters can be placed. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the front sectional view of the present invention;

[0020] Figure 2 This is a schematic diagram of the right-side cross-sectional structure of this utility model.

[0021] In the diagram: 1. Mounting vertical plate; 2. Turning handle; 3. Nut; 4. Mounting base frame; 5. Transmission roller; 6. First mounting frame; 7. Fixed base frame; 8. Connecting vertical plate; 9. Strip hole; 10. Drive motor; 11. Second mounting frame; 12. Lifting frame; 13. Lifting slider; 14. Third mounting frame; 15. Lifting slide rod; 16. Screw; 17. First cylinder; 18. Welding gun body; 19. Second cylinder. Detailed Implementation

[0022] The following is in conjunction with the appendix Figures 1-2 The present invention will be described in further detail below.

[0023] Please refer to the attached diagram in the instruction manual. Figure 1 and 2 An embodiment of this utility model provides an automatic welding device for pipe fittings, including a fixed base frame 7. The top wall of the fixed base frame 7 has multiple sets of strip holes 9. Multiple sets of support components are arranged on the top wall of the fixed base frame 7. The support components include a mounting base frame 4, which is arranged on the top wall of the fixed base frame 7. The longitudinal section of the mounting base frame 4 is U-shaped. A second mounting frame 11 is installed on the outer wall of one side of the mounting base frame 4. A drive motor 10 is installed at the bottom of the inner cavity of the second mounting frame 11. The output shaft of the drive motor 10 extends to the inner cavity of the mounting base frame 4 and is fixedly sleeved with a transmission roller 5. The lateral longitudinal section of the transmission roller 5 is circular.

[0024] Please refer to the attached diagram in the instruction manual. Figure 1 and 2 A hoisting frame 12 is installed on the rear side of the top wall of the fixed base frame 7. The lateral longitudinal section of the hoisting frame 12 is L-shaped. A sliding hoisting assembly is installed on the top wall of the inner cavity of the hoisting frame 12. The sliding hoisting assembly includes a hoisting slide rod 15, which is fixed on the top wall of the inner cavity of the hoisting frame 12. The longitudinal section of the hoisting slide rod 15 is U-shaped. A hoisting slider 13 is installed on the outer wall of the hoisting slide rod 15. A welding assembly is installed at the bottom end of the hoisting slider 13. The welding assembly includes a third mounting frame 14, which is fixed on the bottom wall of the hoisting slider 13. A first cylinder 17 is installed in the inner cavity of the third mounting frame 14. A welding gun body 18 is installed at the end of the output shaft of the first cylinder 17.

[0025] The two groups of metal pipe fittings to be welded are placed between the two groups of transmission rollers 5, and the ends of the two groups of metal pipe fittings are abutted with each other, the first cylinder 17 is started to extend to drive the welding gun body 18 to move downward and weld the ends of the two groups of metal pipe fittings by the welding gun body 18, and the two groups of drive motors 10 are started synchronously to drive the transmission rollers 5 to rotate synchronously during the welding process, so that the metal pipe fittings can be rotated synchronously, and then the different angles of the ends of the metal pipe fittings can be welded fully.

[0026] Please refer to the drawings in the specification Figure 1 and 2 A plurality of push-pull assemblies are installed on both sides of the top wall of the inner cavity of the fixed base 7, the push-pull assembly comprises a first mounting frame 6, the first mounting frame 6 is fixed on the top wall of the inner cavity of the fixed base 7, a second cylinder 19 is installed in the inner cavity of the first mounting frame 6, and a connecting vertical plate 8 penetrating through the strip-shaped hole 9 is installed at the output end of the second cylinder 19 and fixed at the position of the bottom wall of the mounting base 4.

[0027] The two groups of second cylinders 19 are started synchronously to extend and retract, so that the connecting vertical plate 8 can move horizontally in the inner cavity of the strip-shaped hole 9, and under the action of the strip-shaped hole 9, the mounting base 4 can slide on the top wall of the fixed base 7, so that the transmission rollers 5 can move synchronously, and then the horizontal distance between the two groups of transmission rollers 5 can be adjusted, and the pipe fittings with different diameters can be placed conveniently.

[0028] Please refer to the drawings in the specification Figure 1 and 2 A abutting assembly is installed on one side of the top wall of the inner cavity of the hoisting frame 12. The abutting assembly comprises a mounting vertical plate 1, the mounting vertical plate 1 is fixed on the top wall of the inner cavity of the hoisting frame 12, the mounting vertical plate 1 is arranged at one side of the hoisting slide rod 15, a nut 3 is fixedly embedded at the lower end position in the mounting vertical plate 1, a screw rod 16 penetrating through the nut 3 is threadedly sleeved in the inner cavity of the nut 3, a handle 2 is installed at one end of the screw rod 16, and the other end of the screw rod 16 is rotatably connected with the outer wall of the third mounting frame 14 through a bearing.

[0029] Rotating the handle 2 drives the screw rod 16 to rotate, and under the action of the nut 3, the screw rod 16 can move horizontally during rotation, and under the action of the screw rod 16, the third mounting frame 14 can be pushed to slide synchronously on the outer wall of the hoisting slide rod 15 through the hoisting sliding block 13, and under the action of the hoisting sliding block 13, the third mounting frame 14, the first cylinder 17 and the welding gun body 18 can be moved synchronously to the appropriate position, so that the position of the welding gun body 18 can be adjusted conveniently, and the two groups of pipe fittings with different lengths can be welded conveniently.

[0030] Working principle: when using the pipe weld automatic welding device, first, the pipe weld automatic welding device is stably placed in a proper position through the fixed chassis 7, then the two groups of metal pipes to be welded are placed between the two groups of transmission rollers 5, and the ends of the two groups of metal pipes are attached to each other, the first cylinder 17 is started to extend to drive the welding gun body 18 to move downward and weld the ends of the two groups of metal pipes by the welding gun body 18, and the two groups of drive motors 10 are started synchronously to drive the transmission rollers 5 to rotate synchronously, so that the metal pipes can be rotated synchronously, and then the different angles of the ends of the metal pipes can be welded.

[0031] The two groups of second cylinders 19 are started synchronously to extend and retract, so that the connecting vertical plate 8 can move horizontally in the inner cavity of the strip-shaped hole 9, and under the action of the strip-shaped hole 9, the mounting chassis 4 can slide on the top wall of the fixed chassis 7, so that the transmission rollers 5 can move synchronously, and then the horizontal distance between the two groups of transmission rollers 5 can be adjusted, and the pipes with different diameters can be placed conveniently.

[0032] The screw rod 16 is driven to rotate by the screwing hand 2, and under the action of the nut 3, the screw rod 16 can move horizontally during rotation, and under the action of the screw rod 16, the third mounting frame 14 can be pushed to slide synchronously on the outer wall of the hoisting slide 15 through the hoisting slide block 13, and under the action of the hoisting slide block 13, the third mounting frame 14, the first cylinder 17 and the welding gun body 18 can be moved synchronously to a proper position, so that the position of the welding gun body 18 can be adjusted conveniently, and the two groups of pipes with different lengths can be welded conveniently.

[0033] The standard parts used in the utility model document can be purchased from the market, and the components in the utility model document can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the mechanical parts and equipment adopt conventional types in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0034] The above are preferred embodiments of the utility model, which do not limit the protection scope of the utility model, so that: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A pipe weld automatic welding device comprising a stationary base frame (7), characterized in that: The top wall of the fixed chassis (7) is provided with a plurality of strip-shaped holes (9), a plurality of supporting assemblies are arranged on the top wall of the fixed chassis (7), a plurality of push-pull assemblies are arranged on both sides of the top wall of the inner cavity of the fixed chassis (7), a hoisting frame (12) is arranged on the rear side of the top wall of the fixed chassis (7), a sliding hoisting assembly is arranged on the inner cavity top wall of the hoisting frame (12), and a welding assembly is arranged at the bottom end of the sliding hoisting assembly.

2. A pipe weld automatic welding apparatus according to claim 1, characterized by: The supporting assembly comprises a mounting chassis (4), which is arranged on the top wall of the fixed chassis (7), a second mounting frame (11) is arranged on one side of the outer wall of the mounting chassis (4), a driving motor (10) is arranged at the bottom of the inner cavity of the second mounting frame (11), and the output shaft of the driving motor (10) extends into the inner cavity of the mounting chassis (4) and is fixedly sleeved with a transmission roller (5).

3. A pipe weld automatic welding apparatus according to claim 2, characterized by: The push-pull assembly comprises a first mounting frame (6), which is fixed on the inner cavity top wall of the fixed chassis (7), a second air cylinder (19) is arranged in the inner cavity of the first mounting frame (6), and a connecting vertical plate (8) is arranged at the output end of the second air cylinder (19) and fixed on the bottom wall of the mounting chassis (4).

4. The apparatus of claim 1 wherein: The sliding hoisting assembly comprises a hoisting slide rod (15), which is fixed on the inner cavity top wall of the hoisting frame (12), and a hoisting sliding block (13) is arranged on the outer wall of the hoisting slide rod (15).

5. A pipe weld automatic welding apparatus according to claim 4, characterized by: The welding assembly comprises a third mounting frame (14), which is fixed on the bottom wall of the hoisting sliding block (13), a first air cylinder (17) is arranged in the inner cavity of the third mounting frame (14), and a welding gun body (18) is arranged at the end of the output shaft of the first air cylinder (17).

6. A pipe weld automatic welding apparatus according to claim 5, characterized by: A abutting assembly is arranged on one side of the inner cavity top wall of the hoisting frame (12).

7. A pipe weld automatic welding apparatus according to claim 6, characterized by: The abutting assembly comprises a mounting vertical plate (1), which is fixed on the inner cavity top wall of the hoisting frame (12), a nut (3) is fixedly embedded at the lower end position in the mounting vertical plate (1), a screw rod (16) is threadedly sleeved in the inner cavity of the nut (3) and penetrates through the nut (3), a handle (2) is arranged at one end of the screw rod (16), and the other end of the screw rod (16) is rotatably connected with the outer wall of the third mounting frame (14) through a bearing.

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