Helical welded pipe welding device

Abstract

The utility model relates to the technical field of spiral welded pipe preparation, in particular to a spiral welded pipe welding device which comprises a base and a clamping mechanism. Two mounting seats which are distributed left and right are arranged on the base, rotating rings are rotatably connected to the interiors of the mounting seats, connecting rings are coaxially arranged on the rotating rings, and mounting cylinders are arranged on the connecting rings; the three clamping mechanisms are distributed in an annular array mode and each comprise a fixed frame arranged on the connecting ring, a rotating frame rotationally connected with the fixed frame, a two-way threaded rod rotationally arranged in the rotating frame, a guide rod arranged in the rotating frame, a movable plate in threaded connection with the two-way threaded rod and an arc-shaped clamping plate arranged on the movable plate. The moving plate is slidably arranged on the guide rod, and an anti-skid pad is arranged on the arc-shaped clamping plate. According to the spiral welding pipe clamping device, the tightness of the clamping effect of the spiral welding pipe can be improved, the stability of rotating the spiral welding pipe is guaranteed, and meanwhile the clamping range can be adjusted according to the length of the spiral welding pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to spiral weld pipe preparation technical field especially relates to a spiral weld pipe welding device. BACKGROUND

[0002] Spiral weld pipe is a kind of low carbon carbon structure steel or low alloy structure steel strip is wound into pipe billet according to certain spiral angle, then pipe seam is welded to make steel pipe.Spiral weld pipe needs to use welding device to assist worker to weld spiral weld pipe when welding.

[0003] The Chinese patent with publication number CN214921960U discloses a spiral weld pipe welding auxiliary device, which comprises a device base, an arc-shaped track is welded and fixed to the upper end outer surface of the device base, two groups of annular clamping shells are welded and fixed to the upper end outer surface of the arc-shaped track, a connecting block is welded and fixed to the surface of the annular clamping shell, a limiting rod is welded and fixed to the surface of the connecting block, an annular gear is movably connected to the surface of the annular clamping shell, a ring-shaped groove is formed in the surface of the annular gear, a mounting groove is formed in the surface of the annular gear, an electric hydraulic telescopic rod is fixedly installed on the surface of the annular gear through bolts, a limiting clamping plate is fixedly installed on the surface of the electric hydraulic telescopic rod, and a power shaft is rotatably connected to the surface of the arc-shaped track; the auxiliary device can limit the spiral weld pipe, facilitate welding, drive the spiral weld pipe to rotate, and be conducive to adjusting the welding position.

[0004] However, the above technical solution has the following disadvantages: when the device rotates the spiral weld pipe, the force direction of the electric telescopic rod to the weld pipe points to the axis of the weld pipe, and the force to drive the weld pipe is realized through the friction between the limiting clamping plate and the weld pipe, which not only easily causes unstable clamping, but also may cause deformation or relaxation when the electric telescopic rod drives the limiting clamping plate to press the weld pipe. UTILITY MODEL CONTENTS

[0005] The utility model aims at the problems in the background art, and provides a spiral weld pipe welding device, which can not only improve the fastening of the clamping effect of the spiral weld pipe, ensure the stability of the rotating spiral weld pipe, but also adjust the clamping range according to the length of the spiral weld pipe.

[0006] The utility model discloses a technical scheme, a kind of spiral welded pipe welding device, including base and clamping mechanism;Two left and right distribution mounting seats are provided on base, rotating ring is rotatably connected in the inside of mounting seat, rotating ring is coaxially provided with connecting ring, and mounting cylinder is provided on connecting ring;The number of clamping mechanism is three and annular array distribution, including fixed frame being arranged on connecting ring, rotating frame being rotatably connected with fixed frame, bidirectional screw rod being rotatably arranged in rotating frame, guide rod being arranged in rotating frame, mobile plate being threadedly connected with bidirectional screw rod, and arc clamping plate being arranged on mobile plate, two first screw parts and second screw parts of opposite rotation are provided on bidirectional screw rod, two mobile plates are symmetrically distributed and respectively with first screw part and second screw part threadedly connected, mobile plate is slidably arranged on guide rod, and non-slip pad is provided on arc clamping plate.

[0007] Preferably, one end of the bidirectional screw rod penetrates the rotating frame and is provided with a handle.

[0008] Preferably, the rotating frame is provided with a first magnet, and the mounting seat is provided with three annular array distributed second magnets, the first magnet and the second magnet can be magnetically connected.

[0009] Preferably, the rotating frame is provided with a third magnet, and the mounting cylinder is provided with three annular array distributed fourth magnets, the third magnet and the fourth magnet can be magnetically connected.

[0010] Preferably, the mounting seat is provided with a rotating assembly, the rotating assembly includes an annular gear coaxially arranged on the mounting cylinder, a first motor arranged on the mounting seat, and a spur gear drivingly connected with the first motor, and the annular gear and the spur gear are meshingly connected.

[0011] Preferably, the base is provided with a support seat, and a plurality of linear array distributed support rollers are rotatably connected to the support seat.

[0012] Preferably, the mounting seat on one side is provided with a moving block, and the base is provided with a driving assembly, the driving assembly includes a second motor arranged on the base and a lead screw drivingly connected with the second motor, the lead screw is threadedly connected with the moving block, and the lead screw is rotatably arranged in the base.

[0013] Preferably, the base is horizontally movably provided with a welding machine body.

[0014] Compared with the prior art, the utility model has the beneficial technical effects as follows:

[0015] The utility model discloses a clamping mechanism can realize the clamping fixed role to the inside and outside of the edge of spiral weld pipe, greatly improved the fastening of the clamping effect of spiral weld pipe, also avoided the disadvantage that weld pipe is pressed and deformed or clamped unstable, make weld pipe can realize the steady rotation, guarantee the quality when welding weld pipe, and simple and convenient operation has good practicality, and the driving assembly of cooperation setting can be clamped to the spiral weld pipe of different length, improve the application range of device. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is structural schematic diagram of the utility model embodiment;

[0017] Figure 2 It is structural schematic diagram of mounting seat;

[0018] Figure 3 It is Figure 2 It is structural enlarged diagram of A place in the middle;

[0019] Figure 4 It is cross section schematic diagram of mounting seat;

[0020] Figure 5 It is local cross section schematic diagram of clamping mechanism;

[0021] Figure 6 It is the isometric schematic diagram of overall structure.

[0022] Sign significance: 1, base;2, mounting seat;3, rotating ring;4, connecting ring;5, mounting cylinder;6, fixed frame;7, rotating frame;8, two-way threaded rod;9, guide rod;10, moving plate;11, arc clamping plate;12, non-slip pad;13, first magnet;14, second magnet;15, third magnet;16, fourth magnet;17, ring gear;18, first motor;19, straight gear;20, handle;21, support seat;22, support roller;23, moving block;24, second motor;25, lead screw;26, welding machine body. DETAILED DESCRIPTION

[0023] Embodiment one

[0024] As Figures 1-6 Shown, the utility model discloses a spiral weld pipe welding device, including base 1 and clamping mechanism, base 1 is provided with two left and right distribution's mounting seat 2, and the inside rotation of mounting seat 2 is connected with rotating ring 3, and rotating ring 3 is provided with connecting ring 4, connecting ring 4 is provided with mounting cylinder 5 on the same axis.

[0025] The number of clamping mechanisms is three and is arranged in a ring array, including a fixed frame 6 arranged on the connecting ring 4, a rotating frame 7 rotatably connected with the fixed frame 6, a bidirectional threaded rod 8 rotatably arranged in the rotating frame 7, a guide rod 9 arranged in the rotating frame 7, a moving plate 10 threadedly connected with the bidirectional threaded rod 8, and an arc-shaped clamping plate 11 arranged on the moving plate 10, the bidirectional threaded rod 8 is provided with two first threaded portions and second threaded portions with opposite rotation directions, the two moving plates 10 are symmetrically arranged and are respectively threadedly connected with the first threaded portions and the second threaded portions, the moving plate 10 is slidably arranged on the guide rod 9, the arc-shaped clamping plate 11 is provided with a non-slip pad 12, and one end of the bidirectional threaded rod 8 penetrates through the rotating frame 7 and is provided with a handle 20.

[0026] In the embodiment, when the welded pipe is placed, the bidirectional threaded rod 8 is rotated through the handle 20, under the guidance of the guide rod 9, the moving plate 10 is screwed with the bidirectional threaded rod 8, the two moving plates 10 are close to each other along the axial directions of the first threaded portions and the second threaded portions, the moving plate 10 drives the arc-shaped clamping plate 11 to move, until the non-slip pads 12 on the upper and lower sides clamp and fix the inner and outer surfaces of the edges of the welded pipe, which not only avoids clamping the welded pipe through direct extrusion, thereby avoiding the disadvantages of deformation of the welded pipe under pressure or unstable clamping, but also stably rotates the welded pipe, ensures the quality of the welded pipe during welding, and has good practicability.

[0027] Embodiment Two

[0028] As shown in Figure 3 and Figure 5 , the welded pipe welding device provided in the embodiment is compared with the first embodiment, in the embodiment, the rotating frame 7 is provided with a first magnet 13, the mounting seat 2 is provided with three second magnets 14 arranged in a ring array, the first magnet 13 and the second magnet 14 can be magnetically connected, the rotating frame 7 is provided with a third magnet 15, the mounting cylinder 5 is provided with three fourth magnets 16 arranged in a ring array, and the third magnet 15 and the fourth magnet 16 can be magnetically connected.

[0029] In the embodiment, when the welded pipe needs to be placed through the mounting seat 2, the first magnet 13 and the second magnet 14 can be magnetically attracted by rotating the rotating frame 7, so that the rotating frame 7 drives the clamping mechanism to remain stable, and the clamping mechanism is prevented from blocking the movement of the welded pipe; after the welded pipe is placed, the rotating frame 7 can be flipped again until the first magnet 13 and the second magnet 14 are magnetically attracted, at this time, the moving plate 10 is in a horizontal state, so that the welded pipe can be clamped, and the limiting and stabilizing effects are achieved.

[0030] Embodiment Three

[0031] As shown in Figure 1 and Figure 6As shown, this embodiment of the spiral welded pipe welding device, compared to Embodiment 1, has a support base 21 on the base 1, and multiple linearly arrayed support rollers 22 rotatably connected to the support base 21. A moving block 23 is provided on one side of the mounting base 2, and a driving assembly is provided on the base 1. The driving assembly includes a second motor 24 mounted on the base 1 and a lead screw 25 driven by the second motor 24. The lead screw 25 and the moving block 23 are threadedly connected, and the lead screw 25 is rotatably disposed inside the base 1.

[0032] In this embodiment, the support roller 22 on the support base 21 not only supports the middle of the welded pipe but also assists in conveying the welded pipe. The second motor 24 drives the lead screw 25 to rotate, causing the lead screw 25 and the moving block 23 to engage. In turn, the moving block 23 can drive the mounting base 2 on one side to move, so that the position of the clamping mechanism can be adjusted according to the length of the welded pipe, thereby improving the applicability of the device.

[0033] Example 4

[0034] like Figure 4 As shown, the spiral welded pipe welding device proposed in this embodiment, compared with the first embodiment, has a rotating component on the mounting base 2. The rotating component includes a ring gear 17 coaxially mounted on the mounting cylinder 5, a first motor 18 mounted on the mounting base 2, and a spur gear 19 driven and connected to the first motor 18. The ring gear 17 and the spur gear 19 are meshed and connected.

[0035] A welding machine body 26 is horizontally movable on the base 1.

[0036] In this embodiment, the movable welding machine body 26 is used to weld the pipe. When it is necessary to rotate the pipe to weld different parts of the surface, the first motor 18 drives the spur gear 19 to rotate. The spur gear 19 and the ring gear 17 mesh and drive each other, and then the ring gear 17 drives the clamping mechanism to rotate, thereby realizing the rotation of the pipe.

[0037] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited thereto. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A spiral pipe welding apparatus, characterized by comprising: The utility model relates to a welding machine body (26) is set up on the base (1) horizontally moves, and the movable block (23) is set up on the one side mounting seat (2), and the drive assembly is set up on the base (1), and the drive assembly includes the second motor (24) being set up on the base (1) and the screw rod (25) being drivenly connected with the second motor (24), the screw rod (25) is screw connection with movable block (23), and the screw rod (25) is rotatably arranged in the inside of base (1). The utility model relates to a welding machine body (26) is set up on the base (1) horizontally moves, and the movable block (23) is set up on the one side mounting seat (2), and the drive assembly is set up on the base (1), and the drive assembly includes the second motor (24) being set up on the base (1) and the screw rod (25) being drivenly connected with the second motor (24), the screw rod (25) is screw connection with movable block (23), and the screw rod (25) is rotatably arranged in the inside of base (1). The utility model relates to a welding machine body (26) is set up on the base (1) horizontally moves, and the movable block (23) is set up on the one side mounting seat (2), and the drive assembly is set up on the base (1), and the drive assembly includes the second motor (24) being set up on the base (1) and the screw rod (25) being drivenly connected with the second motor (24), the screw rod (25) is screw connection with movable block (23), and the screw rod (25) is rotatably arranged in the inside of base (1).

2. A device for welding a spiral pipe as claimed in claim 1, characterized in that The utility model relates to a welding machine body (26) is set up on the base (1) horizontally moves, and the movable block (23) is set up on the one side mounting seat (2), and the drive assembly is set up on the base (1), and the drive assembly includes the second motor (24) being set up on the base (1) and the screw rod (25) being drivenly connected with the second motor (24), the screw rod (25) is screw connection with movable block (23), and the screw rod (25) is rotatably arranged in the inside of base (1).

3. A device for welding a spiral pipe as claimed in claim 1, wherein The utility model relates to a welding machine body (26) is set up on the base (1) horizontally moves, and the movable block (23) is set up on the one side mounting seat (2), and the drive assembly is set up on the base (1), and the drive assembly includes the second motor (24) being set up on the base (1) and the screw rod (25) being drivenly connected with the second motor (24), the screw rod (25) is screw connection with movable block (23), and the screw rod (25) is rotatably arranged in the inside of base (1).

4. A device for welding a spiral pipe as claimed in claim 1, wherein The utility model relates to a welding machine body (26) is set up on the base (1) horizontally moves, and the movable block (23) is set up on the one side mounting seat (2), and the drive assembly is set up on the base (1), and the drive assembly includes the second motor (24) being set up on the base (1) and the screw rod (25) being drivenly connected with the second motor (24), the screw rod (25) is screw connection with movable block (23), and the screw rod (25) is rotatably arranged in the inside of base (1).

5. A device for welding a spiral pipe as claimed in claim 1, wherein ​ 6. A device for welding a spiral pipe as claimed in claim 1, wherein ​ 7. A device for welding a spiral pipe as claimed in claim 1, wherein ​ 8. A device for welding a spiral pipe as claimed in claim 1, wherein ​

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