CN116423143A

CN116423143A - Steel pipe annular welding machine

Info

Publication number: CN116423143A
Application number: CN202310584355.9A
Authority: CN
Inventors: 陈辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-05-23
Filing date: 2023-05-23
Publication date: 2023-07-14

Abstract

The invention relates to the technical field of steel pipes, in particular to a steel pipe annular welding machine. The invention provides a steel pipe annular welding machine capable of clamping a steel pipe. The utility model provides a steel pipe annular welding machine, including workstation, support frame, rotating electrical machines, welding machine, welded pipe, positioning mechanism and welding telescopic machanism, the support frame is all connected with to workstation upper portion left and right sides slidingtype, and the rotating electrical machines is all installed in the support frame upper portion outside, and the welding machine is installed to workstation top rear side, and the last slidingtype of welding machine is connected with the welded pipe, is equipped with the positioning mechanism that is used for pressing from both sides tight steel pipe between the rotating electrical machines, is equipped with the welding telescopic machanism that is used for driving the welded pipe and removes on the welded pipe. According to the invention, the steel pipe passes through the support frame, so that the movable rod is positioned at the inner side of the steel pipe, and people manually rotate the knob to rotate the bidirectional screw rod, and the movable rod moves outwards to support the steel pipe, so that the support effect is realized, and the steel pipe is prevented from easily rotating in the welding process.

Description

Steel pipe annular welding machine

Technical Field

The invention relates to the technical field of steel pipes, in particular to a steel pipe annular welding machine.

Background

In the process of building construction, steel pipes are required to be welded together, and people usually use a welding machine to weld the steel pipes, however, the clamping effect of the existing welding machine on the steel pipes is weak when the existing welding machine is used, so that the steel pipes deviate in the welding process, and the welding effect is poor, so that the welding machine needs to be designed.

Patent application number CN213646266U discloses a steel pipe welding set, through installing the welding machine on the welding machine removes the frame, will wait to weld the both ends of steel pipe and install on steel pipe rotary device and utilize steel pipe rotary device drive to wait to weld the steel pipe and carry out circumference rotation, the welding machine welds the steel pipe, this welding set welds through placing the steel pipe on pivoted activity roller, this kind of placement mode leads to the steel pipe to take place the skew at welded in-process easily.

The steel pipe annular welding machine capable of clamping the steel pipe is designed to achieve the effect of overcoming the defect that the steel pipe is easy to deviate when the existing welding device is used.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a steel pipe annular welding machine capable of clamping a steel pipe, so as to overcome the defect that the existing welding device easily causes the steel pipe to deviate.

In order to achieve the above object, the present invention is realized by the following scheme: an annular welding machine for steel pipes, comprising:

the workbench and the support frame are connected with the support frame in a sliding manner on the left side and the right side of the upper part of the workbench;

the rotating motors are arranged on the outer sides of the upper parts of the support frames;

the welding machine is arranged at the rear side of the top of the workbench;

the welding machine is connected with the welding pipe in a sliding manner;

the positioning mechanism is arranged between the rotating motors and used for clamping the steel pipes;

the welding telescopic mechanism is arranged on the welding pipe and used for driving the welding pipe to move.

As an improvement of the above scheme, the positioning mechanism comprises:

the output shafts of the rotating motors are respectively and rotatably connected with a bidirectional screw rod;

the front side and the rear side of the bidirectional screw rod are connected with the knob;

and the two-way screw rod is connected with the movable rod in a threaded manner.

As an improvement of the above scheme, the welding telescopic mechanism comprises:

the pressure springs are uniformly connected between the welding pipe and the welding machine;

the left side and the right side of the front part of the welding pipe are connected with movable rods;

the movable blocks are rotatably connected with the front sides of the movable rods.

As the improvement of above-mentioned scheme, still including the chucking mechanism that is used for chucking steel pipe, chucking mechanism is including:

the front side and the rear side of the top of the workbench are connected with the fixing plates;

the front side and the rear side of the upper part of the workbench are both connected with the moving block in a sliding manner;

a tension spring is connected between the moving block and the fixed plate;

the U-shaped telescopic frames are connected to the moving blocks;

the left side and the right side in the U-shaped expansion bracket are connected with the contraction springs;

the U-shaped expansion brackets are provided with spring clamping plates;

the inner sides of the L-shaped rods and the moving blocks are connected with the L-shaped rods;

wedge push rod, both sides all are connected with wedge push rod around the support frame.

As the improvement of above-mentioned scheme, still including the screens mechanism that is used for blocking the movable block, screens mechanism is including:

the L-shaped round pipes are connected to the moving blocks in a sliding manner;

the inner sides of the L-shaped round pipes are respectively connected with a hook piece;

a pulling spring is connected between the hook piece and the moving block, and the pulling spring is wound on the L-shaped circular tube;

the outer sides of the moving blocks are connected with limiting plates, and the L-shaped round tubes are connected with the limiting plates in a sliding mode;

the outer sides of the moving blocks are respectively connected with a straight gear in a rotary mode;

the straight rack is connected with the front side and the rear side of the top of the workbench, and the straight gear is meshed with the straight rack.

As the improvement of above-mentioned scheme, still including the rust cleaning mechanism that is used for polishing the steel pipe, rust cleaning mechanism includes:

the inner sides of the rotating motors are respectively and rotatably connected with a rotating rod, and the rotating rods are rotatably connected with the supporting frame;

elastic ropes are uniformly connected to the inner sides of the rotating rods;

the steel wire ball is connected between the elastic ropes at the front side, and the steel wire ball is connected between the elastic ropes at the rear side;

the gear set is connected between the left rotating rod and the output shaft of the left rotating motor, and the gear set is connected between the right rotating rod and the output shaft of the right rotating motor.

As the improvement of above-mentioned scheme, still including being used for carrying out the preheating structure that heats to the steel pipe, preheat the structure including:

the middle of the top of the workbench is connected with the heating bottom plate;

the heating pipe is arranged on the heating bottom plate.

The invention has the advantages that: 1. according to the invention, the steel pipe passes through the support frame, so that the movable rod is positioned at the inner side of the steel pipe, a user manually rotates the knob to rotate the bidirectional screw rod, and the movable rod moves outwards to support the steel pipe, so that the support effect is realized, and the steel pipe is prevented from easily rotating in the welding process;

2. the support frame moves inwards to drive the wedge-shaped push rod to move inwards, the L-shaped rod, the moving block, the spring clamping plate and the U-shaped expansion bracket move inwards, and then the spring clamping plate is adaptively deformed to clamp the steel pipe, so that the clamping effect is realized, and the clamping of the steel pipe is enhanced;

3. the gear set and the rotating rod are driven to rotate through the rotation of the output shaft of the rotating motor, the steel wire ball rotates, the rotating steel wire ball polishes the welding position of the steel pipe, the welding position of the steel pipe is smooth, and the rust of the welding position of the steel pipe is prevented from affecting the welding effect.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of a first view angle part of the present invention.

Fig. 3 is a schematic perspective view of a second view angle part of the present invention.

Fig. 4 is a schematic perspective view of a first view part of the positioning mechanism according to the present invention.

Fig. 5 is a schematic perspective view of a second view part of the positioning mechanism according to the present invention.

Fig. 6 is a schematic view of a part of a welding telescopic mechanism according to the present invention.

Fig. 7 is a schematic perspective view of a cross-sectional portion of the welding telescopic mechanism of the present invention.

Fig. 8 is a schematic perspective view of the compressing mechanism of the present invention.

Fig. 9 is a schematic perspective view of a cross-sectional structure of a pressing mechanism of the present invention.

Fig. 10 is a schematic perspective view of the clamping mechanism of the present invention.

Fig. 11 is a schematic perspective view of a cross-sectional view of a clamping mechanism of the present invention.

Fig. 12 is a schematic view of a partial perspective structure of the rust removing mechanism of the present invention.

Fig. 13 is a schematic perspective view of a portion of a preheating structure according to the present invention.

Reference numerals: the device comprises a 1-workbench, a 2-rotating motor, a 3-supporting frame, a 4-welding machine, a 41-welding pipe, a 5-positioning mechanism, a 51-knob, a 52-moving rod, a 53-bidirectional screw rod, a 6-welding mechanism, a 61-moving block, a 62-moving rod, a 63-pressure spring, a 7-clamping mechanism, a 71-moving block, a 72-fixing plate, a 73-U-shaped telescopic frame, a 74-spring clamping plate, a 75-L-shaped rod, a 76-wedge-shaped pushing plate, a 77-contracting spring, a 78-pulling spring, a 8-clamping mechanism, a 81-L-shaped round pipe, a 82-limiting plate, a 83-pulling spring, a 84-hook, a 85-straight gear, a 86-straight gear, a 9-derusting mechanism, a 91-wire ball, a 92-elastic rope, a 93-rotating rod, a 94-gear set, a 10-preheating structure, a 101-heating pipe and a 102-heating bottom plate.

Detailed Description

The invention will be further described with reference to the accompanying drawings and detailed description below:

example 1

Referring to fig. 1-3, the steel pipe annular welding machine comprises a workbench 1, a rotating motor 2, a supporting frame 3, a welding machine 4, a welding pipe 41, a positioning mechanism 5 and a welding telescopic mechanism 6, wherein the left side and the right side of the upper part of the workbench 1 are both connected with the supporting frame 3 in a sliding mode, the outer sides of the upper parts of the two supporting frames 3 are fixedly connected with the rotating motor 2 through bolts, the welding machine 4 is installed on the rear side of the top of the workbench 1, the welding machine 4 is connected with the welding pipe 41 in a sliding mode, the positioning mechanism 5 is arranged between the two rotating motors 2, and the welding telescopic mechanism 6 is arranged on the welding pipe 41.

Referring to fig. 1, 4 and 5, the positioning mechanism 5 includes a knob 51, a moving rod 52 and a bidirectional screw rod 53, the output shafts of the two rotating motors 2 are all connected with the bidirectional screw rod 53 in a rotating manner, the knob 51 is welded on the front side and the rear side of the bidirectional screw rod 53, the knob 51 is four, the two moving rods 52 are connected on the bidirectional screw rod 53 in a threaded manner, and the moving rods 52 are four.

Referring to fig. 1, 6 and 7, the welding telescopic mechanism 6 comprises a movable block 61, a movable rod 62 and a pressure spring 63, four pressure springs 63 are uniformly connected between the welding pipe 41 and the welding machine 4, the movable rod 62 is welded on the left side and the right side of the front part of the welding pipe 41, and the movable blocks 61 are rotatably connected on the front sides of the two movable rods 62.

When one needs to weld the steel pipes, one can use this kind of steel pipe ring welding machine, first one passes two steel pipes through the support frame 3 respectively, and move the steel pipes to the suitable position, make the movable rod 52 be located the steel pipe inboard, then one manually rotates the knob 51, make the two-way lead screw 53 rotate, thereby make the movable rod 52 move to the outside, after the movable rod 52 moves to the outside and supports the steel pipes, one releases the knob 51, thereby realized the effect of supporting, avoid the steel pipes to take place to rotate easily in the welded process, then one moves the support frame 3 to the inside, make rotating electrical machine 2 and steel pipes move to the inboard, when two steel pipes move to the inboard and contact with movable block 61, movable block 61 moves to the outside while being adapted to rotate, and then movable rod 62 and welded pipe 41 move to the outside, pressure spring 63 is compressed, when two steel pipes are in contact, people loosen the support frame 3, then people start the welding machine 4 and the rotating motor 2, the output shaft of the rotating motor 2 rotates to drive the moving rod 52 and the steel pipes to rotate, in the process of rotating the steel pipes, the welding pipe 41 welds the steel pipes, the welding effect is achieved, after the welding is finished, people close the rotating motor 2 and the welding machine 4, then people hold the steel pipes by hands, and manually reversely rotate the knob 51, so that the bidirectional screw rod 53 reversely rotates, the moving rod 52 rotates inwards and moves away from the steel pipes, after the moving rod 52 moves inwards to a proper position, people loosen the knob 51, then manually moves the support frame 3 outwards, so that the rotating motor 2 and the moving rod 52 move outwards, after the support frame 3 moves outwards to a proper position, people take out the welded steel pipes, when the steel pipes move away from the movable block 61, the return of the pressure spring 63 drives the movable rod 62 to move forward, so that the movable block 61 and the welding pipe 41 move forward, and then one can continue welding the steel pipe as described above.

Example 2

On the basis of embodiment 1, referring to fig. 1, 8 and 9, the clamping mechanism 7 further comprises a clamping mechanism 7, the clamping mechanism 7 comprises a moving block 71, a fixing plate 72, four U-shaped telescopic frames 73, spring clamping plates 74, L-shaped rods 75, wedge-shaped pushing rods 76, shrinkage springs 77 and tension springs 78, two fixing plates 72 are welded on the front side and the rear side of the top of the workbench 1, four fixing plates 72 are connected on the front side and the rear side of the upper portion of the workbench 1 in a sliding mode, two moving blocks 71 are connected on the front side and the rear side of the upper portion of the workbench 1 in a sliding mode, four moving blocks 71 are connected between the moving blocks 71 and the fixing plates 72 through hooks, sixteen tension springs 78 are connected on the moving blocks 71, four U-shaped telescopic frames 73 are connected on the moving blocks, eight shrinkage springs 77 are connected on the left side and the right side of each U-shaped telescopic frame 73, four springs 74 are mounted on each U-shaped telescopic frame 73, L-shaped rods 75 are welded on the inner side of each moving block 71, four L-shaped rods 75 are connected on the front side and the rear side of the supporting frame 3 in a sliding mode, the wedge-shaped pushing rods 76 are connected on the rear side of each sliding plates 76.

Referring to fig. 1, 10 and 11, the clamping mechanism 8 further comprises a clamping mechanism 8, the clamping mechanism 8 comprises an L-shaped circular tube 81, four limiting plates 82, a pulling spring 83, four hook pieces 84, four spur gears 85 and spur racks 86, the moving blocks 71 are all connected with the L-shaped circular tube 81 in a sliding mode, the L-shaped circular tube 81 is four, the supporting frame 3 is in contact with the L-shaped circular tube 81 after moving, the inner side of the L-shaped circular tube 81 is welded with the hook pieces 84, the four hook pieces 84 are connected with the pulling spring 83 between the hook pieces 84 and the moving blocks 71, the pulling spring 83 is wound on the L-shaped circular tube 81, the four pulling springs 83 are arranged, the outer sides of the moving blocks 71 are all connected with the limiting plates 82 in a sliding mode, the four spur gears 85 are all connected with the outer sides of the moving blocks 71 in a rotating mode, the four spur gears 85 are in contact with the spur gears 85, the two spur racks 86 are welded on the front and the rear sides of the top of the working table 1, and the spur gears 85 are meshed with the spur racks 86.

Referring to fig. 1 and 12, the rust removing device further comprises a rust removing mechanism 9, the rust removing mechanism 9 comprises steel wire balls 91, elastic ropes 92, rotating rods 93 and a gear set 94, two rotating motors 2 are connected with two rotating rods 93 in a rotating mode, four rotating rods 93 are connected with a supporting frame 3 in a rotating mode, elastic ropes 92 are uniformly connected to the inner sides of the rotating rods 93, steel wire balls 91 are connected between the elastic ropes 92 on the front side, steel wire balls 91 are connected between the elastic ropes 92 on the rear side, the gear set 94 is connected between the rotating rods 93 on the left side and an output shaft of the rotating motor 2 on the left side, the gear set 94 is formed by three spur gears, the output shafts of the rotating motors 2 are connected with spur gears, six spur gears are connected to the outer sides of the rotating rods 93, and three spur gears on the left side are meshed with each other.

Referring to fig. 2 and 13, the preheating device further comprises a preheating structure 10, the preheating structure 10 comprises a heating pipe 101 and a heating bottom plate 102, the middle of the top of the workbench 1 is welded with the heating bottom plate 102, the heating bottom plate 102 is in a concave shape, and the heating bottom plate 102 is connected with the heating pipe 101 in a sliding mode.

The support frame 3 moves inwards to drive the wedge push rod 76 to move inwards, when the wedge push rod 76 moves inwards to be in contact with the L-shaped rod 75, the wedge push rod 76 drives the L-shaped rod 75 to move inwards, the moving block 71 moves inwards, the tension spring 78 is stretched, the U-shaped expansion bracket 73 and the spring clamping plate 74 move inwards, when the spring clamping plate 74 is in contact with a steel pipe, the spring clamping plate 74 clamps the steel pipe and simultaneously deforms adaptively, the U-shaped expansion bracket 73 moves adaptively outwards, the shrinkage spring 77 is compressed, the clamping effect is achieved, the steel pipe is prevented from easily moving in the welding process to affect the welding effect, the support frame 3 moves outwards to drive the wedge push rod 76 to move outwards, when the wedge push rod 76 moves outwards away from the L-shaped rod 75, the tension spring 78 resets to drive the moving block 71 to move outwards, and then the U-shaped expansion bracket 73 and the spring clamping plate 74 move outwards, when the spring clamping plate 74 moves outwards away from the steel pipe, the shrinkage spring clamping plate 77 resets to drive the U-shaped expansion bracket 73 to move inwards, and the spring clamping plate 74 resets to move outwards.

The L-shaped circular tube 81 is contacted with the support frame 3 in the initial state, the pulling spring 83 is stretched, when the support frame 3 moves inwards, the stretched pulling spring 83 is reset to drive the L-shaped circular tube 81 to move inwards, so that the hook-shaped piece 84 moves inwards to contact with the spur gear 85, the moving block 71 moves inwards to drive the spur gear 85 to move inwards, the L-shaped circular tube 81 moves inwards, the spur gear 85 is enabled to rotate, when the wedge-shaped push rod 76 moves outwards to be far away from the L-shaped rod 75, the spur gear 85 is blocked by the hook-shaped piece 84, the moving block 71 cannot move outwards, when the support frame 3 moves outwards to contact with the L-shaped circular tube 81, the support frame 3 drives the L-shaped circular tube 81 to move outwards, the pulling spring 83 is stretched, and then the hook-shaped piece 84 moves outwards to be far away from the spur gear 85, so that the moving block 71 moves outwards to drive the spur gear 85 to move outwards, and then the spur gear 85 rotates reversely, so that the continuous clamping effect is realized, and the welded steel tube is convenient for people to collect.

The rotating electrical machine 2 moves inwards to drive the rotating rod 93 to move inwards, the elastic rope 92 resets, the output shaft of the rotating electrical machine 2 rotates to drive the gear set 94 to rotate, so that the rotating rod 93 and the steel wire ball 91 rotate, the steel wire ball 91 polishes the welded part of the steel pipe, the welded part is smoother, rust at the welded part of the steel pipe is prevented from affecting the welding effect, the rotating electrical machine 2 moves outwards to drive the rotating rod 93 to move outwards, and the elastic rope 92 polishes before being stretched and welded.

When the steel pipe is clamped, people start the heating pipe 101, and the heating pipe 101 heats the steel pipe, so that the preheating effect is realized, the steel pipe is smoother and more stable in the welding process, and when the steel pipe does not need to be heated, the people close the heating pipe 101.

It will be apparent to those skilled in the art from this disclosure that various other changes and modifications can be made which are within the scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a steel pipe ring welding machine which characterized in that includes:

the device comprises a workbench (1) and a supporting frame (3), wherein the supporting frame (3) is connected to the left side and the right side of the upper part of the workbench (1) in a sliding manner;

the rotating motor (2) is arranged on the outer side of the upper part of the supporting frame (3);

the welding machine (4) is arranged at the rear side of the top of the workbench (1);

a welding pipe (41), wherein the welding pipe (41) is connected to the welding machine (4) in a sliding manner;

the positioning mechanism (5) is arranged between the rotating motors (2) and is used for clamping the steel pipes (5);

the welding telescopic mechanism (6) is arranged on the welding pipe (41), and the welding telescopic mechanism (6) is used for driving the welding pipe (41) to move.

2. A steel pipe ring welding machine according to claim 1, characterized in that the positioning means (5) comprise:

the output shafts of the rotating motors (2) are respectively and rotatably connected with the bidirectional screw rods (53);

the knob (51) is connected with the front side and the rear side of the bidirectional screw rod (53);

and the moving rods (52) are connected with the two-way screw rods (53) in a threaded manner.

3. A steel pipe ring welder according to claim 2, characterized in that the welding telescopic mechanism (6) comprises:

the pressure springs (63) are uniformly connected between the welding pipe (41) and the welding machine (4);

the left side and the right side of the front part of the welding pipe (41) are connected with the movable rod (62);

the movable blocks (61) are rotatably connected with the front sides of the movable rods (62).

4. A steel pipe ring welding machine as claimed in claim 3, further comprising a clamping mechanism (7) for clamping the steel pipe, the clamping mechanism (7) comprising:

the front side and the rear side of the top of the workbench (1) are connected with the fixing plates (72);

the movable block (71) is connected with the movable block (71) in a sliding manner on the front side and the rear side of the upper part of the workbench (1);

a tension spring (78), wherein the tension spring (78) is connected between the movable block (71) and the fixed plate (72);

the U-shaped telescopic frames (73) are connected to the moving blocks (71);

the left side and the right side in the U-shaped expansion bracket (73) are connected with the contraction springs (77);

the U-shaped expansion brackets (73) are provided with spring clamping plates (74);

the inner sides of the L-shaped rods (75) are connected with the L-shaped rods (75) respectively;

the wedge-shaped pushing rods (76) are connected to the front side and the rear side of the supporting frame (3).

5. A steel pipe annular welding machine according to claim 4, further comprising a detent mechanism (8) for locking the moving block (71), the detent mechanism (8) comprising:

the L-shaped circular tube (81) is connected with the moving block (71) in a sliding manner;

the inner sides of the L-shaped round pipes (81) are connected with the hook pieces (84);

a pulling spring (83), wherein the pulling spring (83) is connected between the hook piece (84) and the moving block (71), and the pulling spring (83) is wound on the L-shaped circular tube (81);

the limiting plates (82) are connected to the outer sides of the moving blocks (71), and the L-shaped round tubes (81) are connected with the limiting plates (82) in a sliding mode;

the outer sides of the moving blocks (71) are respectively and rotatably connected with the spur gears (85);

the straight rack (86) is connected with the straight rack (86) on the front side and the rear side of the top of the workbench (1), and the straight gear (85) is meshed with the straight rack (86).

6. A steel pipe ring welder according to claim 5, further comprising a rust removing mechanism (9) for polishing the steel pipe, wherein the rust removing mechanism (9) comprises:

the inner sides of the rotating motors (2) are respectively and rotatably connected with the rotating rods (93), and the rotating rods (93) are rotatably connected with the supporting frame (3);

elastic ropes (92), and elastic ropes (92) are uniformly connected to the inner sides of the rotating rods (93);

a steel wire ball (91) is connected between the elastic ropes (92) at the front side, and the steel wire ball (91) is connected between the elastic ropes (92) at the rear side;

the gear set (94) is connected between the left rotating rod (93) and the output shaft of the left rotating motor (2), and the gear set (94) is connected between the right rotating rod (93) and the output shaft of the right rotating motor (2).

7. A steel pipe ring welder according to claim 6, further comprising a preheating structure (10) for heating the steel pipe, wherein the preheating structure (10) comprises:

a heating bottom plate (102), wherein the middle of the top of the workbench (1) is connected with the heating bottom plate (102);

the heating pipe (101) is arranged on the heating bottom plate (102).

8. A steel pipe ring welder according to claim 7, characterized in that the heating base plate (102) is in the shape of a concave.