CN216370794U

CN216370794U - Welding device for bent steel pipe

Info

Publication number: CN216370794U
Application number: CN202123065220.7U
Authority: CN
Inventors: 王丽东; 窦新永; 张利娟
Original assignee: Henan Liangyi Machinery Manufacturing Co ltd
Current assignee: Henan Liangyi Machinery Manufacturing Co ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-04-26
Anticipated expiration: 2031-12-08

Abstract

The utility model discloses a welding device for a bent steel pipe, and relates to the technical field of welding of bent steel pipes. The steel pipe welding device is reasonable in design structure, the first motor, the first sliding chute, the first screw and the two clamping mechanisms are matched, the two clamping mechanisms are respectively used for clamping two steel pipes to be welded, the first screw is driven to rotate in the first sliding chute through the output rotating shaft of the first motor, the first sliding block can slide in the first sliding chute, so that the welding surfaces of the two steel pipes are close to each other, the two steel pipes to be welded are ensured to be positioned on the same central axis, the welding quality of the steel pipes is improved, and the phenomenon of steel pipe welding dislocation is avoided.

Description

Welding device for bent steel pipe

Technical Field

The utility model relates to the technical field of welding of bent steel pipes, in particular to a welding device for a bent steel pipe.

Background

The steel pipe is a steel material with a hollow section, the length of the steel pipe is far greater than the diameter or the perimeter, and the steel pipe is divided into round, square, rectangular and special-shaped steel pipes according to the shape of the section; the steel pipe is divided into a carbon structural steel pipe, a low-alloy structural steel pipe, an alloy steel pipe and a composite steel pipe according to the material quality; the steel pipes are divided into steel pipes for conveying pipelines, engineering structures, thermal equipment, petrochemical industry, machinery manufacturing, geological drilling, high-pressure equipment and the like according to the application; the production process includes seamless steel pipe and welded steel pipe, the seamless steel pipe includes hot rolling and cold rolling (drawing), and the welded steel pipe includes straight seam welded steel pipe and spiral seam welded steel pipe.

Need carry out welding process to the steel pipe after bending when factory production, and traditional welding mode is to place two steel pipes subaerial, and the handheld welder of workman directly welds the steel pipe, because there is not specific frock, therefore appears two steel pipe welding process in the phenomenon of dislocation often, and then influences the welding quality of steel pipe. Therefore, the welding device for the bent steel pipe solves the problems.

SUMMERY OF THE UTILITY MODEL

One) technical problem to be solved

The utility model aims to make up for the defects of the prior art and provides a welding device for a bent steel pipe.

II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a welding set for back steel pipe of bending, includes bottom plate and fixed connection in the supporting leg of the bottom surface of bottom plate, the first regulating box of middle part fixedly connected with of bottom plate upper surface, first spout has been seted up to the upper surface of first regulating box, first motor is installed to a side of first regulating box, the output pivot of first motor runs through the surface of first regulating box and the first screw rod of fixedly connected with, and just first screw rod rotates and connects in the inside of first spout, the equal threaded connection in both ends of first screw rod has first slider, and first slider sliding connection is in the inside of first spout, two the upper surface of first slider all is provided with the fixture who is used for the centre gripping steel pipe.

Fixture includes the second regulating box, the bottom surface fixed connection of second regulating box is in the upper surface of first slider, the second spout has been seted up to the upper surface of second regulating box, the second motor is installed to a side of second regulating box, the output pivot of second motor runs through the surface and the fixedly connected with second screw rod of second regulating box, and the second screw rod rotates and connects in the inside of second spout, the surface threaded connection of second screw rod has two second sliders, and second slider sliding connection is in the inside of second spout, two the equal fixedly connected with grip block of upper surface of second spout.

Two sets of symmetrical shifting chutes are formed in the bottom plate, two guide rods are arranged on two sides of the first adjusting box, two sliding blocks are fixedly connected to two ends of each guide rod, the bottom ends of the sliding blocks are connected to the inside of the shifting chute in a sliding mode, two auxiliary supporting blocks are connected to outer surfaces of the guide rods in a sliding mode, and each auxiliary supporting block is provided with a containing groove in the upper surface.

Further, the below of bottom plate is provided with opens and closes the mechanism, it includes electric putter to open and close the mechanism, electric putter installs in the bottom surface of bottom plate, electric putter's flexible end fixedly connected with movable plate, the both sides face of movable plate all articulates there is the hinge bar, the one end that the movable plate was kept away from to the hinge bar articulates there is the hinge block, a side fixedly connected with connecting block of movable plate is kept away from to the hinge block, and the both ends of connecting block respectively with a side fixed connection that two sliding blocks are close to each other.

Further, the inside of holding tank is provided with supporting mechanism, supporting mechanism includes two backup pads and two ganged plates, two the equal fixedly connected with ganged bar in a side that the backup pad was kept away from each other, the one end that the backup pad was kept away from to the ganged bar runs through the inner wall of auxiliary supporting shoe and is close to a side fixed connection of auxiliary supporting shoe with the ganged plate, every the surface of ganged bar all overlaps and is equipped with the elastic component, and the both ends of elastic component are close to a side of backup pad and the surface fixed connection of backup pad with the ganged plate respectively.

Furthermore, the bottom surface of each auxiliary supporting block is provided with a universal wheel, and the bottom surface of the universal wheel is in contact with the upper surface of the bottom plate.

Thirdly), the beneficial effects are as follows:

compared with the prior art, this a welding set for steel pipe after bending possesses following beneficial effect:

according to the utility model, through the matched arrangement of the first motor, the first chute, the first screw rod and the two clamping mechanisms, the two clamping mechanisms are respectively used for clamping two steel pipes to be welded, the first screw rod is driven to rotate in the first chute through the output rotating shaft of the first motor, the first sliding block can slide in the first chute, so that the welding surfaces of the two steel pipes are close to each other, the two steel pipes to be welded are ensured to be positioned on the same central axis, the welding quality of the steel pipes is further improved, the phenomenon of steel pipe welding dislocation is avoided, through the matched arrangement of the guide rod, the auxiliary supporting block and the sliding block, the non-welding ends of the steel pipes can be supported, the stability of the steel pipes during welding is further improved, and the steel pipes are prevented from loosening in the welding process.

The support mechanism is arranged, so that the support plate is abutted against the outer surface of the steel pipe under the elastic support effect of the elastic part, the stability of the steel pipe in the placing groove can be improved, the opening and closing mechanism is arranged, the movable plate is pushed to move by using the telescopic end of the electric push rod, the hinge rod rotates in the hinge block, the connecting block can drive the sliding block to slide in the moving groove, and therefore the auxiliary support blocks on the two sides of the bottom plate can simultaneously move towards the first adjusting box, and the bent steel pipes with different lengths can be supported.

Drawings

FIG. 1 is a perspective view of a front view of the present invention;

FIG. 2 is a schematic structural diagram of the support mechanism of the present invention;

FIG. 3 is a perspective view of a bottom view of the present invention;

fig. 4 is a cross-sectional view of a front view of the present invention.

In the figure: 1. a base plate; 2. supporting legs; 3. a first conditioning tank; 4. a first motor; 5. a first chute; 6. a first screw; 7. a clamping mechanism; 71. a second conditioning tank; 72. a second motor; 73. a second chute; 74. a second screw; 75. a second slider; 76. a clamping block; 8. a support mechanism; 81. a support plate; 82. a linkage rod; 83. a linkage plate; 84. an elastic member; 9. an opening and closing mechanism; 91. an electric push rod; 92. moving the plate; 93. a hinged lever; 94. a hinged block; 95. connecting blocks; 10. a slider; 11. a guide bar; 12. an auxiliary support block; 13. a moving groove; 14. a second slider; 15. a universal wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 4, the present invention provides a technical solution: a welding device for a bent steel pipe comprises a bottom plate 1 and supporting legs 2 fixedly connected to the bottom surface of the bottom plate 1, wherein the middle part of the upper surface of the bottom plate 1 is fixedly connected with a first adjusting box 3, the upper surface of the first adjusting box 3 is provided with a first sliding groove 5, one side surface of the first adjusting box 3 is provided with a first motor 4, the first motor 4 is a forward and reverse rotating motor, clockwise rotation of the motor is forward rotation of the motor, anticlockwise rotation of the motor is reverse rotation of the motor, according to a forward and reverse rotation control circuit diagram and principle analysis thereof, in order to realize forward and reverse rotation of the motor, an output rotating shaft of the first motor 4 penetrates through the outer surface of the first adjusting box 3 and is fixedly connected with a first screw rod 6, the first screw rod 6 is rotatably connected to the inside the first sliding groove 5, the first screw rod 6 is of an existing structure, particularly a rod with threads in different spiral directions at two ends, and first sliding blocks 14 are in threaded connection with two ends of the first screw rod 6, and first slider 14 sliding connection is in the inside of first spout 5, and the upper surface of two first sliders 14 all is provided with fixture 7 that is used for the centre gripping steel pipe.

By starting the first motor 4, the output rotating shaft of the first motor 4 drives the first screw rod 6 to rotate in the first sliding groove 5, so that the two first sliding blocks 14 move oppositely on the first screw rod 6 and the first sliding groove 5, and the two clamping mechanisms 7 are close to or far away from each other.

The clamping mechanism 7 comprises a second adjusting box 71, the bottom surface of the second adjusting box 71 is fixedly connected to the upper surface of the first sliding block 14, the upper surface of the second adjusting box 71 is provided with a second sliding groove 73, one side surface of the second adjusting box 71 is provided with a second motor 72, the second motor 72 is a forward and reverse rotation motor, the clockwise rotation of the motor is the forward rotation of the motor, the anticlockwise rotation of the motor is the reverse rotation of the motor, according to a forward and reverse rotation control circuit diagram and a principle analysis thereof, an output rotating shaft of the forward and reverse rotation motor 72 of the motor penetrates through the outer surface of the second adjusting box 71 and is fixedly connected with a second screw 74, the second screw 74 is rotatably connected to the inside of the second sliding groove 73, the second screw 74 is of an existing structure, specifically, two ends of the second screw are provided with screw threads in different spiral directions, the outer surface of the second screw 74 is in threaded connection with two second sliding blocks 75, and the second sliding blocks 75 are slidably connected to the inside of the second sliding groove 73, the upper surfaces of the two second sliding grooves 73 are fixedly connected with clamping blocks 76.

By starting the second motor 72, the output rotating shaft of the second motor 72 drives the second screw 74 to rotate in the second sliding groove 73, so that the two second sliding blocks 75 move oppositely on the second sliding groove 73 and the second screw 74, and the two second sliding blocks 75 drive the two clamping blocks 76 to move oppositely, thereby clamping or releasing the steel pipe.

Two sets of symmetrical shifting chutes 13 have been seted up to bottom plate 1's inside, the both sides of first regulating box 3 are provided with two guide bars 11, the equal fixedly connected with sliding block 10 in both ends of two guide bars 11, and the bottom sliding connection of sliding block 10 is in the inside of shifting chute 13, the equal sliding connection of surface of two guide bars 11 has two auxiliary supporting shoe 12, the holding tank has all been seted up to the upper surface of every auxiliary supporting shoe 12, universal wheel 15 is all installed to the bottom surface of every auxiliary supporting shoe 12, and universal wheel 15's bottom surface and bottom plate 1's upper surface contact, guide bar 11 specifically is two poles, can utilize guide bar 11 to lead auxiliary supporting shoe 12, and make guide bar 11 drive universal wheel 15 slide at bottom plate 1's upper surface.

The inside of holding tank is provided with supporting mechanism 8, supporting mechanism 8 includes two backup pads 81 and two ganged plates 83, the arc wall has all been seted up to the side that two backup pads 81 are close to each other, the equal fixedly connected with ganged bar 82 of the side that two backup pads 81 kept away from each other, the one end that ganged bar 82 kept away from backup pad 81 runs through the inner wall of auxiliary supporting shoe 12 and is close to a side fixed connection of auxiliary supporting shoe 12 with ganged plate 83, elastic component 84 all is established to the surface of every ganged bar 82 cover, and the both ends of elastic component 84 are close to a side of backup pad 81 and the surface fixed connection of backup pad 81 with ganged plate 83 respectively, elastic component 84 is preferably the spring, can utilize the elasticity of elastic component 84 self to support backup pad 81, can make backup pad 81 tightly paste and lean on the surface at the steel pipe.

An opening and closing mechanism 9 is arranged below the bottom plate 1, the opening and closing mechanism 9 comprises an electric push rod 91, the electric push rod 91 is arranged on the bottom surface of the bottom plate 1, a moving plate 92 is fixedly connected with the telescopic end of the electric push rod 91, two side surfaces of the moving plate 92 are respectively hinged with a hinge rod 93, one end of each hinge rod 93 far away from the moving plate 92 is hinged with a hinge block 94, one side surface of each hinge block 94 far away from the moving plate 92 is fixedly connected with a connecting block 95, and the two ends of the connecting block 95 are respectively fixedly connected with the mutually adjacent side surfaces of the two sliding blocks 10, the electric push rod 91 is of the existing structure, the movable plate 92 can be driven to move by the telescopic end of the electric push rod 91, the connecting block 95 can move the sliding block 10 under the action of the hinge block 94 and the hinge rod 93, further, the position of the auxiliary supporting block 12 on the bottom plate 1 can be adjusted, and further, the bent steel pipes with different lengths can be supported.

The working principle is as follows: firstly, the welding end of the bent steel pipe is placed on the upper surface of the second adjusting box 71, then the second motor 72 is started, the output rotating shaft of the second motor 72 drives the second screw 74 to rotate in the second chute 73, so that the two second sliding blocks 75 move oppositely on the second chute 73 and the second screw 74, so that the two second sliding blocks 75 drive the two clamping blocks 76 to move oppositely, so that the steel pipe can be clamped, then the electric push rod 91 is started, the telescopic end of the electric push rod 91 pushes the moving plate 92 to move, so that the connecting block 95 drives the sliding block 10 to move under the action of the hinge block 94 and the hinge rod 93, so that the position of the auxiliary supporting block 12 on the bottom plate 1 can be adjusted, then the non-welding end of the bent steel pipe is placed in the placing groove, and meanwhile, the non-welding end of the steel pipe extrudes the supporting plate 81, make backup pad 81 stretch elastic component 84 through linkage plate 83 and gangbar 82, under the elastic force effect of elastic component 84, make backup pad 81 tightly paste the surface at the steel pipe, enough support the non-welded end of steel pipe, and then promote the stability when steel pipe welding, prevent that the steel pipe from appearing becoming flexible at the welded in-process, finally, start first motor 4, make the output pivot of first motor 4 drive first screw rod 6 rotatory in the inside of first spout 5, thereby can make, two first sliders 14 carry out the relative motion on first screw rod 6 and first spout 5, and then make the steel pipe of centre gripping on two fixture 7 be close to each other, and then can counterpoint two steel pipes, and guarantee that two wait to weld the steel pipe and be located same axis, and then promote the welding quality of steel pipe, avoid the phenomenon of steel pipe welding dislocation.

Claims

1. The utility model provides a welding set for steel pipe after bending, includes supporting leg (2) of bottom plate (1) and fixed connection in the bottom surface of bottom plate (1), its characterized in that: the middle of the upper surface of the bottom plate (1) is fixedly connected with a first adjusting box (3), the upper surface of the first adjusting box (3) is provided with a first sliding groove (5), one side surface of the first adjusting box (3) is provided with a first motor (4), an output rotating shaft of the first motor (4) penetrates through the outer surface of the first adjusting box (3) and is fixedly connected with a first screw (6), the first screw (6) is rotatably connected inside the first sliding groove (5), two ends of the first screw (6) are both in threaded connection with first sliding blocks (14), the first sliding blocks (14) are slidably connected inside the first sliding groove (5), and the upper surfaces of the two first sliding blocks (14) are both provided with clamping mechanisms (7) for clamping steel pipes;

the clamping mechanism (7) comprises a second adjusting box (71), the bottom surface of the second adjusting box (71) is fixedly connected to the upper surface of the first sliding block (14), a second sliding groove (73) is formed in the upper surface of the second adjusting box (71), a second motor (72) is installed on one side surface of the second adjusting box (71), an output rotating shaft of the second motor (72) penetrates through the outer surface of the second adjusting box (71) and is fixedly connected with a second screw (74), the second screw (74) is rotatably connected to the inside of the second sliding groove (73), the outer surface of the second screw (74) is in threaded connection with two second sliding blocks (75), the second sliding blocks (75) are slidably connected to the inside of the second sliding groove (73), and clamping blocks (76) are fixedly connected to the upper surfaces of the two second sliding grooves (73);

two sets of symmetrical shifting chutes (13) are formed in the bottom plate (1), two guide rods (11) are arranged on two sides of the first adjusting box (3), two sliding blocks (10) are fixedly connected to two ends of the guide rods (11), the bottom ends of the sliding blocks (10) are connected to the inside of the shifting chutes (13) in a sliding mode, two auxiliary supporting blocks (12) are connected to the outer surfaces of the guide rods (11) in a sliding mode, and each auxiliary supporting block (12) is provided with an accommodating groove in the upper surface.

2. The welding device for the bent steel pipe according to claim 1, wherein: the utility model discloses a novel electric bicycle, including bottom plate (1), the below of bottom plate (1) is provided with opens and shuts mechanism (9), it includes electric putter (91) to open and shut mechanism (9), electric putter (91) are installed in the bottom surface of bottom plate (1), the flexible end fixedly connected with movable plate (92) of electric putter (91), the both sides face of movable plate (92) all articulates there is articulated rod (93), the one end that movable plate (92) were kept away from in articulated rod (93) articulates there is articulated piece (94), a side fixedly connected with connecting block (95) of movable plate (92) are kept away from in articulated piece (94), and the both ends of connecting block (95) respectively with two sliding blocks (10) a side fixed connection that is close to each other.

3. The welding device for the bent steel pipe according to claim 1, wherein: the inside of holding tank is provided with supporting mechanism (8), supporting mechanism (8) include two backup pads (81) and two linkage board (83), two the equal fixedly connected with gangbar (82) of a side that backup pad (81) kept away from each other, the one end that backup pad (81) were kept away from in gangbar (82) runs through the inner wall of auxiliary supporting shoe (12) and is close to a side fixed connection of auxiliary supporting shoe (12) with linkage board (83), every elastic component (84) all overlap on the surface of gangbar (82), and the both ends of elastic component (84) are close to a side of backup pad (81) and the surface fixed connection of backup pad (81) with linkage board (83) respectively.

4. The welding device for the bent steel pipe according to claim 1, wherein: the bottom surface of each auxiliary supporting block (12) is provided with a universal wheel (15), and the bottom surface of each universal wheel (15) is in contact with the upper surface of the bottom plate (1).