CN211680751U

CN211680751U - Cylinder circumferential weld welding tool

Info

Publication number: CN211680751U
Application number: CN202020271932.0U
Authority: CN
Inventors: 刘保东
Original assignee: Qingdao Xinyada Electrical Equipment Co ltd
Current assignee: Qingdao Xinyada Electrical Equipment Co ltd
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2020-10-16
Anticipated expiration: 2030-03-06

Abstract

The utility model discloses a barrel girth welding fixture, which comprises a base, wherein a roller carrier, a welding machine bracket, a cylinder bracket and a pulley bracket are fixed on the base, rollers are arranged in the roller carrier and are driven by a driving device, and the roller carrier is used for supporting a barrel to be welded; the welding machine bracket is fixed on the rear side of the roller frame, the upper end of the welding machine bracket is connected with a welding machine, and a welding head of the welding machine is positioned above the roller frame; the cylinder support is arranged on the left side of the roller frame, the upper end of the cylinder support is fixedly connected with a cylinder, and a piston rod of the cylinder points to the roller frame when extending out; the pulley bracket is arranged on the right side of the roller carrier, the upper end of the pulley bracket is rotatably connected with a limiting pulley, and the limiting pulley is used for abutting against the outer edge of the cylinder to be welded; the manual handheld welding machine is not needed to rotate around the cylinder, so that the welding quality is guaranteed, the welding efficiency is improved, the labor cost is reduced, and the circular seam welding machine is suitable for circular seam welding of cylinders with various sizes.

Description

Cylinder circumferential weld welding tool

Technical Field

The utility model belongs to the technical field of the welding frock technique and specifically relates to a barrel girth welding frock.

Background

When the circular seam between the cylinder body and the end enclosure or between the cylinder body and the cylinder body is welded, an operator needs to hold a welding machine with hands to weld the circular seam and rotate around the cylinder body, the operator can shake the circular seam with the hands when rotating around the cylinder body, and the welding precision is difficult to guarantee; moreover, the manual operation efficiency is very low, so that the labor cost is high.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a barrel circumferential weld welding frock can weld the circumferential weld between the cylinder, does not need artifical handheld welding machine rotatory around the barrel, has guaranteed welded quality and efficiency, has reduced the cost of labor.

The utility model adopts the technical proposal that:

a barrel girth welding tool comprises a base, wherein a roller carrier, a welding machine support, a cylinder support and a pulley support are fixed on the base, rollers are installed in the roller carrier and are driven by a driving device, and the roller carrier is used for supporting a barrel to be welded; the welding machine bracket is fixed on the rear side of the roller frame, the upper end of the welding machine bracket is connected with a welding machine, and a welding head of the welding machine is positioned above the roller frame; the cylinder support is arranged on the left side of the roller frame, the upper end of the cylinder support is fixedly connected with a cylinder, and a piston rod of the cylinder points to the roller frame when extending out; the pulley support is arranged on the right side of the roller carrier, the upper end of the pulley support is rotatably connected with a limiting pulley, and the limiting pulley is used for abutting against the outer edge of the cylinder body to be welded.

By arranging the roller carrier, before welding, the barrel to be welded is arranged on the roller carrier, and the barrel to be welded is driven to rotate by the rotation of the roller under the action of friction force; the piston rod of the air cylinder abuts against the sealing end of the cylinder body to be welded, the limiting pulley abuts against the outer edge of the opening end of the cylinder body to be welded, the limiting pulley rotates along with the rotation of the cylinder body to be welded, the positioning of the cylinder body to be welded is realized through the cooperation of the piston rod of the air cylinder, the limiting pulley and the roller carrier, and the stability of the cylinder body to be welded in the rotating welding process is ensured; at the moment, the welding head of the welding machine is positioned at the position to be welded of the cylinder to be welded, the cylinder to be welded rotates along with the roller, the circular seam can be welded by opening the welding machine, the welding machine does not need to be manually held to rotate around the cylinder, and the welding quality and efficiency are guaranteed.

Preferably, the device further comprises a limiting cylinder, a radial baffle is arranged in the middle of the limiting cylinder, the side wall of one end of the limiting cylinder is axially opened, and a piston rod of the air cylinder extends into the other end of the limiting cylinder and abuts against the baffle; during welding, one end of the side wall opening of the limiting cylinder is abutted to the end socket of the cylinder body, the cavity at one end of the side wall opening and the axial opening are used for containing and fixing the bent pipe at the circle center of the end socket to be welded, the piston rod of the air cylinder extends into the other end of the limiting cylinder and abuts against the baffle, and when the roller drives the cylinder body to rotate, the piston rod and the baffle rotate relatively. When the bent pipe is fixed at the circle center of the end socket of the cylinder body to be welded, the piston rod of the air cylinder only abuts against the bent pipe, the contact area is too small, the cylinder body to be welded is difficult to fix, and the limiting cylinder can be matched with the piston rod of the air cylinder at the moment, so that the cylinder body to be welded is positioned.

Preferably, the number of the roller frames is at least two, the two roller frames are arranged in parallel, at least two rollers are installed in the roller frames, and the upward surfaces of the rollers in the roller frames form arc-shaped supporting surfaces for supporting the cylinder body to be welded; more than two roller carriers can play a role in stably supporting the cylinder to be welded.

Preferably, the cylinder bracket and the welding machine bracket are telescopic brackets; the cylinder support comprises an upper cylinder support and a lower cylinder support, the lower cylinder support is fixed on the base, a cylinder is fixed at the upper end of the upper cylinder support, a plurality of threaded holes are formed in the upper cylinder support in the vertical direction and are connected with the lower cylinder support through bolts, and the height of the cylinder support can be adjusted by adjusting the positions of the threaded holes of the upper cylinder support, through which the bolts penetrate, so that the height of the cylinder is adjusted, and the supporting and positioning of cylinders with different diameters are met; the welding machine support comprises an upper welding machine support and a lower welding machine support, the lower welding machine support is fixed on the base, the upper end of the upper welding machine support is connected with the welding machine, a plurality of threaded holes are formed in the upper welding machine support in the vertical direction and are connected with the lower welding machine support through bolts, and the height of the welding machine support can be adjusted through the positions of the threaded holes, through which adjusting bolts penetrate, of the upper welding machine support, so that the height of the welding machine is adjusted, and welding of barrels with different diameters is met.

Preferably, the limiting pulley is fixed on the pulley support through a rotating shaft, the limiting pulley can rotate around the rotating shaft, the rotating shaft is connected with the pulley support in a sliding mode, a strip-shaped hole with the direction being consistent with the axial direction of the cylinder body to be welded is formed in the pulley support, the rotating shaft is fixed on the strip-shaped hole through a bolt, the position of the limiting pulley can be adjusted through the position of an adjusting bolt on the strip-shaped hole, and therefore supporting and positioning of the cylinder bodies with different lengths are met. And the position of the cylinder to be welded can be adjusted by adjusting the extending length of the piston rod of the air cylinder and the position of the limiting pulley, so that the welding head is just positioned at the welding position of the cylinder to be welded.

Preferably, the driving device is a motor, and the motor drives the roller to rotate, so as to drive the cylinder to be welded to rotate.

The utility model provides a barrel circumferential weld welding frock, the support through gyro wheel frame, cylinder, spacing pulley three will be waited to weld the barrel and fix a position, drive through the rotation of gyro wheel and wait to weld the barrel and rotate, adjust the welding stent height, the length that the piston rod of cylinder stretches out and the position of spacing pulley thus make the bonding tool reach required welding position, can wait to weld the circumferential weld of welding the barrel and weld, do not need artifical handheld welding machine to wind the barrel rotation, guaranteed the welded quality, improved the welded efficiency, reduced the cost of labor; the utility model provides a barrel girth welding frock is applicable in the girth welding of multiple size barrel.

Drawings

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

FIG. 2 is a schematic structural view of a limiting cylinder;

FIG. 3 is a schematic structural view of the barrel during welding;

fig. 4 is the perspective structure schematic diagram of the utility model when welding the cylinder.

Reference numerals: 1. a base; 2. a roller frame; 3. a welder bracket; 31. mounting a bracket on a welding machine; 311. a second threaded hole; 32. a lower bracket of the welding machine; 4. a cylinder support; 41. an upper bracket of the cylinder; 411. a first threaded hole; 42. a cylinder lower support; 5. a pulley bracket; 51. a strip-shaped hole; 6. a roller; 7. a motor; 8. a cylinder to be welded; 81. sealing the end; 82. bending the pipe; 9. a welding machine; 91. a welding head; 10. a cylinder; 101. a piston rod; 11. a limiting pulley; 12. a limiting cylinder; 121. a baffle plate; 122. an axial opening; 13. a rotating shaft.

Detailed Description

In order to enable those skilled in the art to better understand the present invention, the following detailed description of the invention is provided in conjunction with the accompanying drawings.

A barrel girth welding tool comprises a base 1, wherein two roller frames 2, a welding machine support 3, a cylinder support 4 and a pulley support 5 are fixed on the base, the two roller frames are parallel to each other, 4 rollers 6 are installed in each roller frame 2, the two rollers 6 arranged in the middle of each roller frame 2 are driving wheels and are driven by a driving device, the driving device is a motor 7, the two rollers 6 on the outer side are driven wheels, and the upward surfaces of the four rollers 6 in each roller frame 2 form an arc-shaped supporting surface for supporting a barrel 8 to be welded; the welding machine bracket 3 is fixed at the rear side of the roller frame 2, the upper end of the welding machine bracket is connected with a welding machine 9, and a welding head 91 of the welding machine 9 is positioned above the roller; the cylinder support 4 is arranged on the left side of the roller frame 2, the upper end of the cylinder support 4 is fixedly connected with a cylinder 10, and a piston rod 101 of the cylinder 10 points to the roller frame 2 when extending out; the pulley bracket 5 is arranged on the right side of the roller carrier 2, the upper end of the pulley bracket is rotatably connected with a limiting pulley 11, and the limiting pulley 11 is used for abutting against the outer edge of the cylinder body 8 to be welded.

In this embodiment, one end of the cylinder 8 to be welded is a sealing head 81, the other end of the cylinder is open, and the bent tube 82 is fixed at the center of the sealing head 81, so that it is difficult to directly support the piston rod 101 on the sealing head 81, therefore, a limiting cylinder 12 can be provided, a radial baffle 121 is arranged at the part of the limiting cylinder 12, and the side wall of one end of the limiting cylinder is axially open 122; during welding, one end of the opening in the side wall of the limiting cylinder 12 is abutted to the end enclosure 81 of the cylinder body 8 to be welded, the axial opening 122 is used for accommodating the bent pipe 82 fixed at the center of the end enclosure 81 to be welded, and the piston rod 101 of the cylinder 10 extends into the other end of the limiting cylinder 12 and abuts against the baffle 121.

In order to meet the welding requirement of the cylinders with different diameters, the cylinder support 4 and the welding machine support 3 are designed to be telescopic supports; the cylinder support comprises an upper cylinder support 41 and a lower cylinder support 42, the lower cylinder support 42 is fixed on the base 1, the upper end of the upper cylinder support 41 is fixed with the cylinder 10, the upper cylinder support 41 is provided with a plurality of threaded holes 411 along the vertical direction and is connected with the lower cylinder support 42 through bolts, the height of the cylinder support 4 can be adjusted by adjusting the positions of the threaded holes 411 of the upper cylinder support 41 through which the bolts penetrate, so that the height of the cylinder 10 is adjusted to meet the supporting and positioning requirements of cylinders with different diameters; the welding machine support 3 comprises an upper welding machine support 31 and a lower welding machine support 32, the lower welding machine support 32 is fixed on the base 1, the upper end of the upper welding machine support 31 is connected with the welding machine 9, a plurality of threaded holes 311 are formed in the upper welding machine support 31 in the vertical direction and are connected with the lower welding machine support 32 through bolts, and the height of the welding machine support 3 can be adjusted by adjusting the positions of the threaded holes 311 of the upper welding machine support 31, so that the height of the welding machine 9 is adjusted, and welding of barrels with different diameters is met.

In order to meet the supporting and positioning requirements of the cylinders with different lengths, the limiting pulley 11 is fixed on the pulley support 5 through the rotating shaft 13, the limiting pulley 11 can rotate around the rotating shaft 13, the rotating shaft 13 is connected with the pulley support 5 in a sliding mode, the pulley support 5 is provided with a strip-shaped hole 51 which is in the same axial direction as the cylinder body 8 to be welded, the rotating shaft 13 is fixed on the strip-shaped hole 51 through bolts, and the position of the limiting pulley 11 can be adjusted through the position of the adjusting bolt on the strip-shaped hole 51, so that the supporting and positioning requirements of the cylinders with different lengths are met. Meanwhile, the position of the cylinder body 8 to be welded can be adjusted by adjusting the extending length of the piston rod 101 of the air cylinder 10 and the position of the limiting pulley 11 on the pulley bracket 5, so that the welding head 91 is just positioned at the position of the cylinder body 8 to be welded, which is to be welded.

The use method of the cylinder girth welding tool provided by the embodiment is as follows: the cylinder 8 to be welded is arranged on the roller frame 2, the axial direction of the cylinder 8 to be welded is consistent with the axial direction of the roller 6, the position of the cylinder 8 to be welded on the roller frame 2 is adjusted according to the position of the welding head 91, and the position of the cylinder 8 to be welded is located right below the welding head 91; adjusting the position of a limiting pulley 11 on the pulley bracket 5 to enable the limiting pulley to be abutted against the outer edge of the cylinder 8 to be welded; one end of the side wall opening of the limiting cylinder 12 is abutted against the end socket 81 of the cylinder body 8 to be welded, the cavity at one end of the side wall opening and the axial opening 122 are used for accommodating the bent pipe 82 fixed at the circle center of the end socket 81 to be welded, and the cylinder 10 is started, so that the piston rod 101 extends into the other end of the limiting cylinder 12 and abuts against the baffle 121, and the cylinder body 8 to be welded is positioned; the motor 7 is started to drive the roller 6 to rotate, the roller 6 drives the cylinder body 8 to be welded to rotate through friction force, the limiting pulley 11 rotates along with the outer edge of the cylinder body 8 to be welded, the limiting cylinder 12 rotates along with the end socket 81, and the piston rod 101 and the baffle plate 121 of the limiting cylinder 12 rotate relatively; and adjusting the height of the welding machine bracket 3 to enable the welding head 91 of the welding machine 9 to reach the position to be welded of the cylinder 8 to be welded, and starting the welding machine 9 to weld the circular seam of the cylinder 8 to be welded.

It is right above the utility model provides a barrel girth welding frock carries out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, which are presented only to assist in understanding the methods and concepts of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be subject to several improvements and modifications, which also fall within the scope of the claims of the present invention.

Claims

1. A cylinder girth welding tool comprises a base and is characterized in that a roller carrier, a welding machine support, a cylinder support and a pulley support are fixed on the base, and rollers are installed in the roller carrier and driven by a driving device; the welding machine bracket is fixed on the rear side of the roller frame, the upper end of the welding machine bracket is connected with a welding machine, and a welding head of the welding machine is positioned above the roller frame; the cylinder support is arranged on the left side of the roller frame, the upper end of the cylinder support is fixedly connected with a cylinder, and a piston rod of the cylinder points to the roller frame when extending out; the pulley support is arranged on the right side of the roller carrier, and the upper end of the pulley support is rotatably connected with the limiting pulley.

2. The cylinder girth welding tool according to claim 1, further comprising a limiting cylinder, wherein a radial baffle is arranged in the middle of the limiting cylinder, the side wall of one end of the limiting cylinder is axially open, and a piston rod of the air cylinder extends into the other end of the limiting cylinder and abuts against the baffle.

3. The barrel girth welding tool according to claim 1, wherein the number of the roller frames is at least two, the roller frames are arranged in parallel along the axial direction of the rollers, at least two rollers are installed in the roller frames, and the upward surfaces of the rollers in the roller frames form arc-shaped supporting surfaces.

4. The cylinder girth welding tool according to claim 1, wherein the cylinder support and the welder support are telescopic supports.

5. The cylinder girth welding tool according to claim 1, wherein the limiting pulley is fixed on the pulley bracket through a rotating shaft, the limiting pulley can rotate around the rotating shaft, and the rotating shaft is connected with the pulley bracket in a sliding manner.

6. The cylinder girth welding tool according to claim 1, wherein the driving device is a motor.