Variable-diameter welded pipe welding device

Abstract

The utility model discloses a variable-diameter welded pipe welding device, which relates to the technical field of welded pipe welding, and comprises a device main body, and a swing rod is arranged, so that when the welded pipe is subjected to daily welding processing through the welding device, in order to improve the adjusting and fixing effects of the welded pipes with different sizes in the welding device, the device main body is provided with the swing rod; a first servo motor can be started to drive a first threaded rod to rotate through rotation of a bevel gear set, the rotation of the first threaded rod drives a lifting rod to slide along the outer wall of a connecting base and drives the lifting rod to slide along the inner wall of a first limiting groove, and meanwhile, a swing rod is driven to rotate; and a second servo motor can be started to drive a clamping block to synchronously slide along a second limiting groove and the outer wall of a supporting block, the effect of effectively fixing and welding the welded pipes of different sizes is achieved, a second servo motor can be started to drive a connecting base to slide in a centering mode through rotation of a second threaded rod, and the effect of butt joint of the welded pipes to be welded is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to welded pipe welding technical field, concretely to a variable diameter welded pipe welding device. BACKGROUND

[0002] Welded pipe is also called welded pipe, which is made of steel plate or strip after coiling forming and welding, generally 6 meters in size, and the production process of welded pipe is simple, the production efficiency is high, and the variety and specification are many, and when welding the steel pipe, the welding device is needed for welding operation.

[0003] Such as the announcement number for CN220145151U discloses a welded pipe welding device, relates to welded pipe welding technical field, the utility model discloses a U-shaped base, the top of both ends of U-shaped base is provided with first U-shaped frame, the top of first U-shaped frame is provided with second U-shaped frame, the inside of first U-shaped frame and second U-shaped frame is provided with conveying roller, and one end of first U-shaped frame is bolted with first drive motor, and the output end of first drive motor is fixedly connected with the conveying roller in the inside of first U-shaped frame, the utility model discloses a lifting mechanism, so that the second U-shaped frame can be lifted, two conveying rollers can clamp the steel pipes of different diameters, and through the operation of first drive motor, two steel pipes can be welded, through the setting of welding mechanism, the welding head can be rotated, manual movement is reduced, it is more convenient, and the working efficiency is improved.

[0004] But this kind of variable diameter welded pipe welding device can be better welded to the steel pipe when in use, but the welding adjustment and fixing effect of the steel pipe of different sizes is not high, and the pre-docking effect of the steel pipe to be welded is not high when welding the steel pipe, and the welding efficiency of the welding device to the steel pipe is reduced.

[0005] Therefore, in view of the above problems, the existing structure is improved, and a variable diameter welded pipe welding device is provided. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a variable diameter welded pipe welding device to solve the problems of low welding adjustment and fixing effect of the steel pipe of different sizes, and low pre-docking effect of the steel pipe to be welded when welding the steel pipe.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: A variable diameter welded pipe welding device, including device main part, the outer wall sliding connection of device main part has connecting seat, the top fixed connection of connecting seat has support block, the outer wall of support block places and connects the device main part, the outer wall fixed connection of connecting seat has first servo motor, the output fixed connection of first servo motor has the bevel gear set of connecting seat inner wall rotation, the outer wall fixed connection of bevel gear set has the first screw rod of connecting seat inner wall rotation, the outer wall screw connection of first screw rod has the lifting rod of connecting seat outer wall sliding connection, the outer wall sliding connection of lifting rod has the swing rod of support block outer wall rotation connection, the first limit slot is set to the connecting part of swing rod's outer wall and lifting rod, the outer wall sliding connection of swing rod has the clamping block of support block outer wall sliding connection, the second limit slot is set to the connecting part of swing rod's outer wall and clamping block, the outer wall fixed connection of device main part has second servo motor, the output fixed connection of second servo motor has the second screw rod of connecting seat outer wall screw connection, the fixed groove is set to the connecting part of device main part's outer wall and connecting seat.

[0008] Further, the first screw rod is rotatably connected between the first servo motor, the bevel gear set and the connecting seat.

[0009] Further, the lifting rod is movably connected between the first screw rod and the connecting seat, and a connecting groove is formed at the connecting part of the outer wall of the connecting seat and the lifting rod.

[0010] Further, the clamping block is slidably connected between the swing rod, the second limit slot and the support block, and two sets of the clamping block and the swing rod are provided, and the positions of the two sets of the clamping block and the swing rod are symmetrically distributed about the central axis of the welded pipe main body.

[0011] Further, the first limit slot and the second limit slot are equidistantly distributed about the rotation center of the swing rod.

[0012] Further, two sets of the second screw rod are provided, and the rotation directions of the two sets of the second screw rod are opposite.

[0013] Further, the connecting seat is slidably connected between the second screw rod and the fixed groove, and two sets of the connecting seat are provided, and the sliding directions of the two sets of the connecting seat are opposite.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The utility model discloses a swing rod's setting, when in through the welding device to the welded pipe daily welding processing, in order to improve the welded pipe of different size's effect of adjusting fixed in the welding device, can open the first servo motor through the rotation of conical gear set, drives first screw rod to rotate, the rotation of first screw rod drives lifting rod to slide along the outer wall of connecting seat, and drives lifting rod to slide along the inner wall of first limit slot, simultaneously, drive swing rod to rotate, the rotation of swing rod drives the synchronous sliding of clamping block along the outer wall of second limit slot and support block, reaches the effect of the effective fixed welding of welded pipe of different size, and can open the second servo motor through the rotation of second screw rod, drives connecting seat to slide to center, reaches the effect of the butt joint of the welded pipe of welding. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the three-dimensional structure schematic diagram of welding device;

[0017] Figure 2 It is another direction's three-dimensional structure schematic diagram of welding device;

[0018] Figure 3 It is lifting rod and swing rod connecting structure schematic diagram;

[0019] Figure 4 It is second screw rod and connecting seat connecting structure schematic diagram.

[0020] In the drawing: 1, device main body;2, connecting seat;3, first servo motor;4, conical gear set;5, first screw rod;6, lifting rod;7, swing rod;8, first limit slot;9, clamping block;10, second limit slot;11, welded pipe main body;12, second servo motor;13, second screw rod;14, fixed groove;15, support block. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model, and obviously, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0022] Embodiment: as Figures 1-4As shown, a variable diameter welded pipe welding device, including device body 1, the outer wall of device body 1 is slidably connected with connecting seat 2, the top of connecting seat 2 is fixedly connected with support block 15, the outer wall of support block 15 is placed with welded pipe body 11, the outer wall of connecting seat 2 is fixedly connected with first servo motor 3, the output end of first servo motor 3 is fixedly connected with conical gear set 4 which is rotatably connected with the inner wall of connecting seat 2, the outer wall of conical gear set 4 is fixedly connected with first threaded rod 5 which is rotatably connected with the inner wall of connecting seat 2, the outer wall of first threaded rod 5 is threadedly connected with lifting rod 6 which is slidably connected with the outer wall of connecting seat 2, the outer wall of lifting rod 6 is slidably connected with swing rod 7 which is rotatably connected with the outer wall of support block 15, the connecting part of the outer wall of swing rod 7 and lifting rod 6 is provided with first limiting slot 8, the outer wall of swing rod 7 is slidably connected with clamping block 9 which is slidably connected with the outer wall of support block 15, the connecting part of the outer wall of swing rod 7 and clamping block 9 is provided with second limiting slot 10, the outer wall of device body 1 is fixedly connected with second servo motor 12, the output end of second servo motor 12 is fixedly connected with second threaded rod 13 which is threadedly connected with the outer wall of connecting seat 2, the connecting part of the outer wall of device body 1 and connecting seat 2 is provided with fixed slot 14.

[0023] Further, the first threaded rod 5 and the connecting seat 2 between the first servo motor 3 and the conical gear set 4 constitute a rotating structure, which is conducive to the driving of the first servo motor 3 through the connection of the conical gear set 4, driving the first threaded rod 5 to rotate along the inner wall of the connecting seat 2, playing the role of driving the lifting rod 6 to move conveniently.

[0024] Further, the lifting rod 6 and the connecting seat 2 between the first threaded rod 5 constitute a lifting structure, the connecting part of the outer wall of the connecting seat 2 and the lifting rod 6 is provided with a connecting slot, which is conducive to the rotation of the first threaded rod 5, driving the lifting rod 6 to move up and down along the outer wall of the connecting seat 2, playing the role of driving the swing rod 7 to rotate conveniently.

[0025] Further, the clamping block 9 and the support block 15 between the swing rod 7 and the second limiting slot 10 constitute a sliding structure, the clamping block 9 and the swing rod 7 are provided with two groups, the position distribution of the two groups of clamping block 9 and swing rod 7 is symmetrical about the center axis of the welded pipe body 11, which is conducive to the rotation of the swing rod 7, driving the clamping block 9 to slide along the outer wall of the second limiting slot 10 and the support block 15 synchronously, playing the role of adjusting and clamping the welded pipe of different sizes.

[0026] Further, the first limiting slot 8 and the second limiting slot 10 are equidistantly distributed about the rotation center of the swing rod 7, which is conducive to the setting of the equidistant distribution of the first limiting slot 8 and the second limiting slot 10 about the rotation center of the swing rod 7, achieving the effect of convenient expansion and contraction of the clamping block 9.

[0027] Further, the second threaded rod 13 is provided with two groups, and the rotating directions of the two groups of second threaded rods 13 are opposite, which is beneficial to drive the relative sliding of the two groups of connecting seats 2 by arranging the two groups of second threaded rods 13 with opposite rotating directions.

[0028] Further, the connecting seat 2 is provided with two groups, and the sliding directions of the two groups of connecting seats 2 are opposite, which is beneficial to the rotation of the second threaded rod 13, drives the connecting seat 2 to slide along the inner wall of the fixed groove 14, and achieves the effect of butt joint of the welded pipe to be welded.

[0029] Working principle: when the variable-diameter welded pipe welding device is used, when the welded pipe is welded by the welding device, in order to improve the adjusting and fixing effect of the welded pipe with different sizes in the welding device, the first servo motor 3 can be opened to drive the first threaded rod 5 to rotate through the rotation of the bevel gear set 4, the rotation of the first threaded rod 5 drives the lifting rod 6 to slide along the outer wall of the connecting seat 2 and drives the lifting rod 6 to slide along the inner wall of the first limiting groove 8, at the same time, drives the swing rod 7 to rotate, the rotation of the swing rod 7 drives the clamping block 9 to slide along the outer wall of the second limiting groove 10 and the supporting block 15 synchronously, achieves the effect of effectively fixing and welding the welded pipe with different sizes, and the second servo motor 12 can be opened to drive the connecting seat 2 to slide to the center, and achieves the effect of butt joint of the welded pipe to be welded.

[0030] This is the working principle of the variable-diameter welded pipe welding device.

[0031] The embodiments of the present application are given for the purpose of example and description, and are not exhaustive or limit the present application to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are selected and described in order to better illustrate the principles and practical application of the present application, and to enable those skilled in the art to understand the present application so as to design various embodiments with various modifications suitable for specific purposes.

Claims

1. A variable diameter pipe welding apparatus comprising an apparatus body (1), characterised in that, The outer wall of the device body (1) is slidably connected with a connecting seat (2), the top of the connecting seat (2) is fixedly connected with a supporting block (15), the outer wall of the supporting block (15) is placed with a welded pipe body (11), the outer wall of the connecting seat (2) is fixedly connected with a first servo motor (3), the output end of the first servo motor (3) is fixedly connected with a bevel gear set (4) which is rotatably connected with the inner wall of the connecting seat (2), the outer wall of the bevel gear set (4) is fixedly connected with a first threaded rod (5) which is rotatably connected with the inner wall of the connecting seat (2), the outer wall of the first threaded rod (5) is threadedly connected with a lifting rod (6) which is slidably connected with the outer wall of the connecting seat (2), the outer wall of the lifting rod (6) is slidably connected with a swing rod (7) which is rotatably connected with the outer wall of the supporting block (15), the outer wall of the swing rod (7) is provided with a first limiting groove (8) at the connecting part with the lifting rod (6), the outer wall of the swing rod (7) is slidably connected with a clamping block (9) which is slidably connected with the outer wall of the supporting block (15), the connecting part of the outer wall of the swing rod (7) with the clamping block (9) is provided with a second limiting groove (10), and the outer wall of the device body (1) is fixedly connected with a second servo motor (12), the output end of the second servo motor (12) is fixedly connected with a second threaded rod (13) which is threadedly connected with the outer wall of the connecting seat (2), and the connecting part of the outer wall of the device body (1) with the connecting seat (2) is provided with a fixed groove (14).

2. The variable diameter pipe welding apparatus of claim 1, wherein, The first threaded rod (5) constitutes a rotating structure between the first servo motor (3), the bevel gear set (4) and the connecting seat (2).

3. The variable diameter pipe welding apparatus of claim 1, wherein, The lifting rod (6) constitutes a lifting structure between the first threaded rod (5) and the connecting seat (2), and the connecting groove is arranged at the connecting part of the outer wall of the connecting seat (2) with the lifting rod (6).

4. The variable diameter pipe welding apparatus of claim 1, wherein, The clamping block (9) constitutes a sliding structure between the swing rod (7), the second limiting groove (10) and the supporting block (15), and the clamping block (9) and the swing rod (7) are both provided with two groups, and the position distribution of the two groups of the clamping block (9) and the swing rod (7) is symmetrical about the central axis of the welded pipe body (11).

5. The variable diameter pipe welding apparatus of claim 1 wherein, The position distribution of the first limiting groove (8) and the second limiting groove (10) is equidistantly distributed about the rotation center of the swing rod (7).

6. The variable diameter pipe welding apparatus of claim 1, wherein, The second threaded rod (13) is provided with two groups, and the rotation directions of the two groups of the second threaded rod (13) are opposite.

7. The variable diameter pipe welding apparatus of claim 1, wherein, The connecting seat (2) constitutes a sliding structure between the second threaded rod (13) and the fixed groove (14), and the connecting seat (2) is provided with two groups, and the sliding directions of the two groups of the connecting seat (2) are opposite.

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