Hot dipping plastic steel pipe machining and welding device

Abstract

The utility model discloses a hot dipping plastic steel pipe machining welding device which comprises a workbench, a top plate is arranged on the workbench in a supporting mode through stand columns, two steel pipe tables with the ends arranged oppositely are arranged on the upper surface of the workbench oppositely, and arc-shaped grooves are formed in the upper surfaces of the steel pipe tables in the length direction. Clamping mechanisms used for clamping the hot-dip plastic steel pipe are arranged on the periphery of the steel pipe table. Two supporting plates vertically arranged between the workbench and the top plate are arranged between the two steel pipe tables at intervals, a horizontally-arranged rotating cylinder is rotationally arranged on the two supporting plates through bearings, and a welding gun located between the two supporting plates is vertically and inwards arranged on the rotating cylinder in a penetrating mode. The rotating cylinder is further connected with a rotating driving mechanism used for driving the rotating cylinder to rotate so as to drive the welding gun to rotate. According to the utility model, the hot-dip plastic steel pipe to be welded can be clamped and fixed, so that the welding accuracy is ensured, the rotary welding of the welding gun can be realized, and the problem of weld joint dislocation caused by large vibration during rotation of the hot-dip plastic steel pipe is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to hot dip plastic steel pipe processing technical field, concretely relates to a kind of hot dip plastic steel pipe processing welding device. BACKGROUND

[0002] Hot dip plastic steel pipe is a kind of dense glue layer that one-time film is evenly sprayed on the both sides of steel pipe inside and outside new type pipe fitting, so that it is more anticorrosive, insulating, high and low temperature resistant and other advantages, greatly improve the adaptability of steel pipe to laying environment, and with high strength compression resistance to avoid internal cable damage.

[0003] In the processing and production of hot dip plastic steel pipe, if the length size requirement of steel pipe is larger, then multiple hot dip plastic steel pipes need to be welded, but the existing welding device has the following problems:

[0004] (1) most lack the structure for clamping and fixing the steel pipe to be welded, so that welding accuracy is easily affected;

[0005] (2) most adopt the mode of rotating steel pipe while welding gun position is fixed for welding, but vibration is larger when rotating steel pipe, and steel pipe is not straight enough, which is easy to make weld joint move, and then make the steel pipe after welding not straight enough, finally become defective product, causing waste of production materials. UTILITY MODEL CONTENTS

[0006] The technical problem to be solved by the utility model is to provide a hot dip plastic steel pipe processing welding device to solve the problems in the background art.

[0007] To solve the above technical problems, the technical scheme adopted by the utility model is as follows.

[0008] A hot dip plastic steel pipe processing welding device, comprising a workbench, a top plate is provided on the workbench through a stand, wherein the upper surface of the workbench is oppositely provided with two end steel pipe tables, the upper surface of the steel pipe table is provided with an arc-shaped groove along the length direction for seating the bottom of the hot dip plastic steel pipe to support the hot dip plastic steel pipe; a clamping mechanism is provided around the steel pipe table for clamping the hot dip plastic steel pipe; two support plates are provided between the workbench and the top plate, the support plates are vertically provided between the workbench and the top plate, a horizontal rotating drum is rotatably provided on the support plates through bearings, a welding gun is vertically provided in the rotating drum and located between the two support plates, and the rotating drum is further connected with a rotating drive mechanism for driving the rotating drum to rotate to drive the welding gun to rotate.

[0009] Preferably, a plurality of rolling grooves are uniformly provided on the arc-shaped groove, and a plurality of rolling balls are rotatably assembled in the rolling grooves and protrude from the rolling grooves to abut against the hot dip plastic steel pipe.

[0010] Preferably, the clamping mechanism comprises two linear guides oppositely arranged on the workbench and the top plate, the linear guides are horizontally arranged and perpendicular to the steel pipe table; the inside of the linear guide is rotatably arranged along the length direction with a lead screw with a forward and reverse thread, the lead screw is connected with two screw nuts through the forward and reverse thread, the screw nut is provided with a sliding block slidingly assembled with the linear guide, the sliding block is provided with a connecting arm curvedly arranged towards the direction of the steel pipe table, and the end of the connecting arm is provided with a roller for clamping the hot-dip plastic steel pipe; the same side end of the two lead screws is connected through a transmission assembly, and the end of one lead screw is provided with a clamping driving motor for driving the rotation of the lead screw to realize the synchronous rotation of the two lead screws through the transmission assembly.

[0011] Preferably, the rotary drum is arranged beyond the two support plates at both ends, and the rotary driving mechanism comprises two gear rings arranged at both ends of the rotary drum respectively, and the gear rings away from the support plates are provided with rotary driving motors respectively, and the rotary shafts of the rotary driving motors are provided with gears meshing with the corresponding gear rings.

[0012] Thanks to the above technical scheme, the present application has the following technical progress.

[0013] The clamping mechanism is arranged to clamp and fix the hot-dip plastic steel pipe to be welded, thereby ensuring the welding accuracy; the rotary drum, the gear ring, the gear and the rotary driving motor are arranged to realize the rotary welding of the welding gun, thereby avoiding the problem of weld misalignment caused by large vibration of the hot-dip plastic steel pipe rotation; the ball is arranged to reduce the friction between the ball and the hot-dip plastic steel pipe when the hot-dip plastic steel pipe is pushed, thereby avoiding the abrasion of the hot-dip plastic steel pipe. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 Fig. 1 is a structural schematic view of the present application;

[0015] Figure 2 Fig. 2 is a structural schematic view of the steel pipe table of the present application;

[0016] Figure 3 Fig. 3 is a structural schematic view of the clamping mechanism of the present application.

[0017] Wherein: 1. workbench, 2. column, 3. top plate, 4. steel pipe table, 41. arc-shaped groove, 42. ball, 5. clamping mechanism, 51. linear guide, 52. lead screw, 53. sliding block, 54. connecting arm, 55. roller, 56. clamping driving motor, 57. transmission assembly, 6. support plate, 7. rotary drum, 8. gear ring, 9. gear, 10. rotary driving motor, 11. welding gun. DETAILED DESCRIPTION

[0018] The present application will be further described in detail below in combination with the drawings and specific embodiments.

[0019] A hot-dip plastic steel pipe processing and welding device, which combines Figure 1 As shown in the drawings, it comprises a workbench 1, a top plate 3 is arranged on the workbench 1 through a stand 2, and the top plate 3 is arranged parallel to the workbench 1. Two steel pipe tables 4 are arranged oppositely on the upper surface of the workbench 1, and arc-shaped grooves 41 are arranged on the upper surfaces of the two steel pipe tables 4 along the length direction, which are used for seating the bottoms of the hot-dip plastic steel pipes to support the hot-dip plastic steel pipes.

[0020] As Figure 2 shown, a plurality of rolling grooves are arranged uniformly on the arc-shaped grooves 41, and rolling balls 42 are rotatably arranged in the rolling grooves, which protrude from the rolling grooves and are used for abutting against the bottoms of the hot-dip plastic steel pipes. After the two hot-dip plastic steel pipes to be welded are placed on the two steel pipe tables 4 respectively, the hot-dip plastic steel pipes are pushed to make the welding ends of the two hot-dip plastic steel pipes contact and align, and in this process, the rolling balls 42 in the rolling grooves roll to reduce the friction between the hot-dip plastic steel pipes and avoid abrasion of the hot-dip plastic steel pipes.

[0021] A clamping mechanism 5 is arranged around the steel pipe table 4, which is used for clamping the hot-dip plastic steel pipe. As Figure 3 shown, the clamping mechanism 5 comprises two straight linear guides 51, which are arranged oppositely on the workbench 1 and the top plate 3, and are arranged horizontally and perpendicularly to the steel pipe table 4. A forward and reverse screw rod 52 is rotatably arranged in the straight linear guide 51 along the length direction, and the forward and reverse screw rod 52 is provided with forward and reverse threads. Two screw nuts are connected to the forward and reverse screw rod 52 through the forward and reverse threads, and a sliding block 53 is arranged on the screw nut. The sliding block 53 is slidably arranged with the straight linear guide 51. A connecting arm 54 is arranged on the sliding block 53, which is arranged bendingly towards the steel pipe table 4, and a roller 55 is arranged at the end of the connecting arm 54, which is used for clamping the hot-dip plastic steel pipe from the side wall of the hot-dip plastic steel pipe. The same side ends of the two forward and reverse screw rods 52 are connected through a transmission assembly 57 (which can be a belt transmission assembly), and the end of one forward and reverse screw rod 52 is provided with a clamping driving motor 56. When the clamping driving motor 56 rotates, the connected forward and reverse screw rod 52 is driven to rotate, and then the synchronous rotation of the two forward and reverse screw rods 52 is realized through the transmission assembly 57. The synchronous rotation of the two forward and reverse screw rods 52 drives the rotation of the four screw nuts, and under the condition that the four screw nuts rotate and are slidably arranged with the sliding block 53 and the straight linear guide 51, the two sliding blocks 53 connected with the same forward and reverse screw rod 52 move towards or away from each other, so as to realize the clamping or loosening of the hot-dip plastic steel pipe.

[0022] Two support plates 6 are arranged between the two steel pipe tables 4, the two support plates 6 are vertically arranged between the workbench 1 and the top plate 3, and a horizontally arranged rotating drum 7 is rotatably arranged on the two support plates 6 through bearings, the welding gun 11 is vertically arranged in the two support plates 6, and the welding gun 11 is used for welding two hot-dip plastic steel pipes to be welded. The rotating drum 7 is also connected with a rotating drive mechanism, and the rotating drive mechanism is used for driving the rotating drum 7 to rotate, so as to drive the welding gun 11 to rotate, and realize the welding of the welding gun 11 along the circumferential movement of the hot-dip plastic steel pipe welding end.

[0023] Specifically, the two ends of the rotating drum 7 respectively exceed the two support plates 6, the rotating drive mechanism includes two gear rings 8, the two gear rings 8 are respectively arranged at the two ends of the rotating drum 7, and the sides, away from the support plates 6, of the two gear rings 8 are respectively provided with rotating drive motors 10, the rotating shafts of the rotating drive motors 10 are provided with gears 9, and the gears 9 are engaged with the corresponding gear rings 8. When the rotating drive motor 10 drives the gear 9 to rotate, the gear 9 drives the gear ring 8 to rotate, and the gear ring 8 drives the rotating drum 7 to rotate, so as to drive the welding gun 11 to rotate. At the same time, the two rotating drive motors 10 drive the rotating drum 7 to rotate from the two ends of the rotating drum 7 synchronously, which can ensure the stability of rotation, and is beneficial to ensure the welding precision.

[0024] In use, first, two hot-dip plastic steel pipes to be welded are respectively placed on the two steel pipe tables 4, and the hot-dip plastic steel pipes are pushed to make the welding ends of the two hot-dip plastic steel pipes contact and align and longitudinally align with the welding gun 11; then the clamping drive motor 56 is driven to drive the four rollers 55 to move towards each other, and the hot-dip plastic steel pipes are clamped; finally, the rotating drive motor 10 is driven to drive the rotating drum 7 to rotate forward and reverse, so as to drive the welding gun 11 to rotate, and the welding processing is completed.

Claims

1. A hot-dip plastic-coated steel pipe processing and welding device, comprising a workbench (1), on which a top plate (3) is supported by a column (2), characterized in that: The upper surface of the workbench (1) has two steel pipe platforms (4) with their ends facing each other. The upper surface of the steel pipe platform (4) has an arc-shaped groove (41) along its length for sitting on the bottom of the hot-dip plastic-coated steel pipe to support it. The steel pipe platform (4) is surrounded by a clamping mechanism (5) for clamping the hot-dip plastic-coated steel pipe. There are two support plates (6) between the two steel pipe platforms (4) and the workbench (1) and the top plate (3). A horizontally arranged rotating cylinder (7) is rotatably mounted on the two support plates (6) through bearings. A welding torch (11) is vertically inserted into the rotating cylinder (7) between the two support plates (6). The rotating cylinder (7) is also connected to a rotary drive mechanism for driving the rotating cylinder (7) to rotate and drive the welding torch (11) to rotate.

2. The hot-dip plastic-coated steel pipe processing and welding device according to claim 1, characterized in that: The arc-shaped groove (41) is evenly provided with a number of rolling grooves, and the rolling grooves are equipped with ball bearings (42) that protrude from the rolling grooves to abut against the hot-dip plastic-coated steel pipe.

3. The hot-dip plastic-coated steel pipe processing and welding device according to claim 1, characterized in that: The clamping mechanism (5) includes two linear guide rails (51) arranged opposite to each other on the worktable (1) and the top plate (3). The linear guide rails (51) are arranged horizontally and perpendicular to the steel pipe platform (4). The interior of the linear guide rails (51) is provided with a positive and negative threaded rod (52) with positive and negative threads. The positive and negative threaded rods (52) are connected to two threaded nuts by positive and negative threads. The threaded nuts are provided with a slider (53) that is slidably assembled with the linear guide rails (51). The slider (53) is provided with a connecting arm (54) that is bent toward the steel pipe platform (4). The end of the connecting arm (54) is provided with a roller (55) for clamping the hot-dip plastic-coated steel pipe. The two positive and negative threaded rods (52) are connected on the same side by a transmission assembly (57). The end of one positive and negative threaded rod (52) is provided with a clamping drive motor (56) for driving it to rotate so that the two positive and negative threaded rods (52) can rotate synchronously through the transmission assembly (57).

4. The hot-dip plastic-coated steel pipe processing and welding device according to claim 1, characterized in that: The two ends of the rotating drum (7) are respectively set beyond the two support plates (6). The rotation drive mechanism includes two gear rings (8) respectively set at the two ends of the rotating drum (7). A rotation drive motor (10) is respectively set on the side of the two gear rings (8) away from the support plate (6). A gear (9) that meshes with the corresponding gear ring (8) is set on the rotating shaft of the rotation drive motor (10).

Images