CN218426641U

CN218426641U - Circular tube welding device

Info

Publication number: CN218426641U
Application number: CN202123240217.4U
Authority: CN
Inventors: 余胜波; 刘凯; 黄付现
Original assignee: Shandong Doknow Intelligent Technology Co ltd
Current assignee: Shandong Doknow Intelligent Technology Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2023-02-03
Anticipated expiration: 2031-12-22

Abstract

The utility model relates to a pipe welding technology field, concretely relates to pipe welding set. The circular tube welding device comprises an adjusting frame, wherein a supporting mechanism for suspending the end part of a circular tube is arranged on the adjusting frame; the lifting mechanism is fixedly connected with the adjusting frame and is connected with a driving mechanism; the two ends of the adjusting frame are provided with reverse thrust mechanisms corresponding to the ends of the round pipes, so that the round pipe welding device is convenient to weld and improves the working efficiency.

Description

Circular tube welding device

Technical Field

The utility model relates to a pipe welding technology field, concretely relates to pipe welding set.

Background

At present, when the welding of a circular pipe needs to weld the two ends of the circular pipe with parts such as flanges, the circular pipe needs to be hoisted or supported and fixed through a hoisting or supporting device, the two ends of the circular pipe are exposed, and then welding operation is carried out. Under this kind of condition, the rigidity of pipe can only conform to the pipe mouth of pipe and weld, has the inconvenience among the welding process, influences work efficiency.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: overcome prior art's not enough, provide a pipe welding set convenient to welding, improve work efficiency.

The utility model discloses a solve the technical scheme that its technical problem adopted and be: the circular tube welding device comprises an adjusting frame, wherein a supporting mechanism for suspending the end part of the circular tube is arranged on the adjusting frame;

the lifting mechanism is fixedly connected with the adjusting frame and is connected with a driving mechanism;

and two ends of the adjusting frame are provided with reverse thrust mechanisms corresponding to the end parts of the round pipes.

The utility model discloses set up, during the use, arrange the pipe in on the supporting mechanism, adjust two relative elevating system height and make the pipe slope on alignment jig and the alignment jig, adjust convenient welded angle with the pipe, the pipe highly lower one end is passed through the backstepping support of backstepping mechanism, prevent that the pipe from moving down because of reasons such as gradient and self gravity, weld the high higher one end of pipe earlier, the flange that will weld corresponds with higher pipe one end, carry out weldment work, the welding finishes the back, adjustment elevation structure, make the lower one end of pipe rise, higher one end moves down, adjust behind the suitable welding inclination, accomplish the weldment work of the other end.

The supporting mechanism comprises two rollers which are oppositely arranged, the two rollers are respectively arranged on two sides of the round pipe, the side surfaces of the rollers are in contact with the pipe body of the round pipe, supporting plates are oppositely arranged on two sides of the rollers, the rollers are connected with the supporting plates through rotating shafts, and the supporting plates are fixedly connected with the adjusting frames.

And two ends of the rotating shaft of the same group of supporting mechanisms are fixedly connected with the supporting plate, and the roller is coaxially and rotatably connected with the rotating shaft.

Actuating mechanism includes by positive and negative motor drive's gear drive case, elevating system includes the lead screw lift, and the gear drive case is fixed to be set up under the alignment jig, two the both sides of gear drive case are located to the lead screw lift branch, lead screw lift's lead screw top and alignment jig fixed connection, the transmission line of lead screw lift and the transmission shaft fixed connection that gear drive case corresponds.

The reverse pushing mechanism comprises a reverse pushing frame and a reverse pushing device capable of providing reverse pushing force for the circular tube;

the reverse pushing frame is oppositely provided with two guide rods, the guide rods are provided with sliding blocks capable of moving up and down along the guide rods, and the sliding blocks are connected with a sliding block driving mechanism;

slider fixedly connected with is used for connecting the reverse push pedal of reverse thrust device, be provided with the breach that is used for carrying out welding operation on the reverse push pedal, the reverse push pedal is provided with the spout that is used for adjusting the reverse thrust device position along the week side of breach, the reverse thrust device is located one side that the pipe was kept away from to the reverse push pedal, and the reverse thrust device passes through spout and reverse push pedal fixed connection.

The two sides of the end part of the adjusting frame are oppositely provided with sliding rails, the bottom of the reverse pushing frame is connected with the sliding rails in a sliding manner, and the reverse pushing frame is connected with a pushing device. The bottom of the reverse pushing frame is provided with a rail groove corresponding to the sliding rail, and the sliding rail corresponds to the rail groove, so that the reverse pushing frame can move back and forth along the sliding rail to adapt to round pipes with different lengths. After the pushing device pushes the reverse pushing frame to the position corresponding to the circular tube along the sliding rail, the pushing device keeps temporary relative fixation, and the phenomenon that the reverse pushing frame moves and loses the reverse pushing capacity in the welding process is avoided.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model provides a pipe welding set goes up the slope of pipe through elevating system control alignment jig and alignment jig to adapt to different welding angle's demand, when supporting mechanism not only provided the holding power for the pipe, still supported the pipe rotation, improved welding operation's convenience. The stability of whole device has been guaranteed in combination backstepping mechanism, improves welding efficiency.

Drawings

Fig. 1 is a schematic view of the usage state of the present invention.

Fig. 2 is a schematic view of the three-dimensional structure of the present invention.

Fig. 3 is a side view of the present invention.

In the figure: 1. an adjusting bracket; 2. a circular tube; 3. a roller; 4. a support plate; 5. a slide rail; 6. a gear transmission case; 7. a screw rod lifter; 8. a reverse pushing frame; 9. a guide bar; 10. a slider; 11. a back-push plate; 12. a thrust reverser; 13. a chute.

Detailed Description

The embodiments of the present invention will be further described with reference to the accompanying drawings:

examples

As shown in fig. 1 to 3, the circular tube welding device includes an adjusting frame 1, and a supporting mechanism for suspending an end of a circular tube 2 is disposed on the adjusting frame 1;

the lifting mechanism is fixedly connected with the adjusting frame 1 and is connected with a driving mechanism;

two ends of the adjusting frame 1 are provided with reverse thrust mechanisms corresponding to the end parts of the round tubes 2.

The supporting mechanism comprises two idler wheels 3 which are oppositely arranged, the two sides of the round pipe 2 are respectively arranged on the two idler wheels 3, the side faces of the idler wheels 3 are in contact with the pipe body of the round pipe 2, supporting plates 4 are oppositely arranged on the two sides of the idler wheels 3, the idler wheels 3 are connected with the supporting plates 4 through rotating shafts, and the supporting plates 4 are fixedly connected with the adjusting frame 1. As shown in fig. 2, the circular tube 2 is supported by the rollers 3 between the two rollers 3, and two sets of supporting mechanisms are arranged in this embodiment, and are symmetrically arranged about the central axis of the connecting line at the two ends of the adjusting frame 1 to provide supporting force for the circular tube 2, so that the two ends of the circular tube 2 are suspended, and the balance of the device is ensured. When pipe 2 and flange welding, be around the tip welding round of pipe 2, consequently welding personnel also follows the adjustment position thereupon in welding process, can rotate pipe 2 and make its rotation, and welding personnel can be more convenient welding, need not to adjust the position appearance. The purpose of setting up gyro wheel 3 is that, pipe 2 is at rotatory in-process, owing to the stopping of two gyro wheels 3 in the same set of supporting mechanism, guarantees that pipe 2 can only rotate in situ, can not shift out supporting mechanism, and secondly pipe 2 rotates the in-process, and gyro wheel 3 can not produce damage such as marking off to the shaft of pipe 2, guarantees the integrality on 2 surfaces of pipe.

The two ends of the rotating shaft of the same group of supporting mechanisms are fixedly connected with the supporting plate 4, and the roller 3 is coaxially and rotatably connected with the rotating shaft. Or the rotating shaft and the roller 3 can be coaxially and fixedly connected, and the two ends of the rotating shaft are rotatably connected with the supporting plate 4 in a bearing connection mode and the like. This allows the roller 3 to rotate with it. Referring to fig. 2, in order to make the circular tube 2 rotate more easily, a driving wheel contacting with the two rollers 3 may be disposed below the two rollers 3, the driving wheel is connected to a motor (not shown), the rollers 2 and the driving wheel are rubber wheels, and when the driving wheel is driven to rotate by the motor, the two rollers 2 rotate due to the large friction of the rubber wheels, and then the circular tube 2 above is driven to rotate.

The driving mechanism comprises a gear transmission case 6 driven by a positive motor and a negative motor, the lifting mechanism comprises a screw rod lifter 7, the gear transmission case is fixedly arranged under the adjusting frame 1, the two screw rod lifters are respectively arranged on two sides of the gear transmission case, the top of a screw rod of the screw rod lifter 7 is fixedly connected with the adjusting frame 1, and a transmission rod of the screw rod lifter 7 is fixedly connected with a transmission shaft corresponding to the gear transmission case 6. Referring to fig. 1 and 2, the gear transmission case 6 is a right-angle gear transmission case, the right-angle gear transmission case comprises a moving gear in transmission connection with a motor, two opposite driven gears are meshed below the moving gear, the driven gears are connected with a transmission rod of a screw rod lifter through a transmission shaft, a turbine is arranged in the screw rod lifter, a screw rod of the screw rod lifter penetrates through the turbine and is in coaxial threaded connection with the turbine, the transmission rod of the screw rod lifter 7 is meshed with the turbine, and the turbine is driven to rotate through the transmission rod, so that the screw rod moves up and down. The right-angle gear transmission box is in transmission with the screw rod lifter 7 to realize the up-and-down movement of the screw rod lifter 7, the prior art is adopted, the prior art is well known to those skilled in the art, and redundant description is omitted here. The two screw rod lifters 7 are driven by the same right-angle gear transmission box, and the directions of the two driven gears in the right-angle gear transmission box are opposite, so that the up-down moving directions of the screw rods of the two screw rod lifters 7 are opposite, and the adjusting frame 1 can be inclined. As shown in fig. 1 and 2, the below of alignment jig 1 sets up a mount, gear box 6 and lead screw lift 7 are fixed on the mount through modes such as bolts, the position that corresponds lead screw lift 7 on alignment jig 1 is provided with the connecting axle, the fixed plate that sets up through modes such as welding is passed through on lead screw lift 7's top, the connecting axle is located the fixed plate, overlap on the connecting axle through a fixed block, the fixed block passes through bolt etc. and fixed plate fixed connection, the avris of alignment jig 1 can set up a plurality of slide bars, the avris that the mount was passed to the slide bar bottom slides with the mount, guarantee that alignment jig 1 can only reciprocate, guarantee structural stability. The screw rod lifter 7 supports the adjusting frame 1 and controls the relative lifting of the two ends of the adjusting frame to realize the angular inclination of the adjusting frame so as to achieve a proper welding position.

The reverse thrust mechanism comprises a reverse thrust frame 8 and a reverse thrust device 12 capable of providing reverse thrust for the circular tube 2;

the reverse pushing frame 8 is relatively provided with two guide rods 9, the guide rods 9 are provided with sliders 10 capable of moving up and down along the guide rods 9, and the sliders 10 are connected with a slider driving mechanism;

the slider 10 is fixedly connected with a backstepping plate 11 connected with a backstepping device 12, a notch used for welding operation is arranged on the backstepping plate 11, a sliding groove 13 used for adjusting the position of the backstepping device 12 is arranged on the side, along the notch, of the backstepping plate 11, the backstepping device 12 is located on one side, away from the circular tube 2, of the backstepping plate 11, and the backstepping device 12 is fixedly connected with the backstepping plate 11 through the sliding groove 13. Referring to fig. 2 and 3, the thrust reverser 12 of this embodiment uses an air cylinder, the air cylinder is fixedly connected to an air cylinder fixing plate through bolts or welding, corresponding through grooves are also formed in the air cylinder fixing plate corresponding to the sliding grooves 13, after the air cylinder is adjusted to a certain position, the sliding grooves in the thrust reverser 11 correspond to the through grooves in the air cylinder fixing plate, and the thrust reverser 11 and the air cylinder are fixed relatively through bolts. The slider 10 is driven by the slider driving mechanism to move up and down along the guide rod 9, the guide rod 9 can be set to be a lead screw by the slider driving mechanism which can be an air cylinder, the two sliders 10 are connected through the counter plate 11, the lead screw is driven by the motor to rotate, the up and down movement of the slider 10 is realized, the position of the counter plate 11 is adjusted from this, the counter plate is adjusted to the position corresponding to the round pipe 2, and the counter thrust is provided for the round pipe 2 through the air cylinder. In order to facilitate the pushing of the circular tube 2, a push plate can be connected to a piston rod of the cylinder in a welding mode and the like, and the push plate is in contact with the circular tube 2.

The two sides of the end part of the adjusting frame 1 are oppositely provided with slide rails 5, the bottom of the reverse pushing frame 8 is connected with the slide rails 5 in a sliding manner, and the reverse pushing frame 8 is connected with a pushing device. The bottom of the reverse pushing frame 8 is provided with a rail groove corresponding to the sliding rail 5, and the sliding rail 5 corresponds to the rail groove, so that the reverse pushing frame 8 can move back and forth along the sliding rail 5 to adapt to the round pipes 2 with different lengths. The pushing device can adopt a mode of pushing by a motor chain or a cylinder and the like, also can adopt other existing pushing devices, and pushes the reverse pushing frame 8 to the position corresponding to the round pipe along the sliding rail 5, so that the temporary relative fixation is kept, and the phenomenon that the reverse pushing frame 8 moves and loses the reverse pushing capability in the welding process is avoided.

Claims

1. The circular tube welding device is characterized by comprising an adjusting frame (1), wherein a supporting mechanism for suspending the end part of a circular tube (2) is arranged on the adjusting frame (1);

the lifting mechanism is arranged opposite to two ends of the adjusting frame (1), fixedly connected with the adjusting frame (1) and connected with a driving mechanism;

and reverse thrust mechanisms are arranged at the two ends of the adjusting frame (1) corresponding to the end parts of the round pipes (2).

2. The round tube welding device according to claim 1, characterized in that the supporting mechanism comprises two rollers (3) which are arranged oppositely, the two rollers (3) are respectively arranged at two sides of the round tube (2), the side surfaces of the rollers (3) are in contact with the tube body of the round tube (2), supporting plates (4) are arranged oppositely at two sides of the rollers (3), the rollers (3) are connected with the supporting plates (4) through rotating shafts, and the supporting plates (4) are fixedly connected with the adjusting frame (1).

3. The circular tube welding device according to claim 2, characterized in that two ends of the rotating shaft of the same group of supporting mechanisms are fixedly connected with the supporting plate (4), and the roller (3) is coaxially and rotatably connected with the rotating shaft.

4. The circular tube welding device according to claim 1 or 2, wherein the driving mechanism comprises a gear transmission box (6) driven by a positive and negative motor, the lifting mechanism comprises a screw rod lifter (7), the gear transmission box is fixedly arranged under the adjusting frame (1), the two screw rod lifters are respectively arranged on two sides of the gear transmission box, the top of a screw rod of the screw rod lifter (7) is fixedly connected with the adjusting frame (1), and a transmission rod of the screw rod lifter (7) is fixedly connected with a transmission shaft corresponding to the gear transmission box (6).

5. The round tube welding device according to claim 1, characterized in that the reverse-thrust mechanism comprises a reverse-thrust frame (8) and a reverse-thrust device (12) capable of providing a reverse thrust to the round tube (2);

the reverse pushing frame (8) is relatively provided with two guide rods (9), the guide rods (9) are provided with sliding blocks (10) capable of moving up and down along the guide rods (9), and the sliding blocks (10) are connected with a sliding block driving mechanism;

slider (10) fixedly connected with is used for connecting reverse thrust board (11) of reverse thrust device (12), be provided with the breach that is used for carrying out welding jobs on reverse thrust board (11), reverse thrust board (11) are provided with spout (13) that are used for adjusting reverse thrust device (12) position along the week side of breach, reverse thrust device (12) are located one side that reverse thrust board (11) kept away from pipe (2), and reverse thrust device (12) are through spout (13) and reverse thrust board (11) fixed connection.

6. A circular tube welding device as claimed in claim 5, characterized in that the two sides of the end of the adjusting frame (1) are oppositely provided with slide rails (5), the bottom of the reverse pushing frame (8) is connected with the slide rails (5) in a sliding manner, and the reverse pushing frame (8) is connected with a pushing device.