CN214134403U

CN214134403U - Auxiliary system for welding longitudinal weld joint of circular tube

Info

Publication number: CN214134403U
Application number: CN202022826607.9U
Authority: CN
Inventors: 刘东伟; 钱永文
Original assignee: Guangdong Jinggong Steel Building Co ltd
Current assignee: Guangdong Jinggong Steel Building Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-09-07
Anticipated expiration: 2030-11-30

Abstract

The utility model relates to a circular tube longitudinal weld seam welding auxiliary system, which comprises an auxiliary device and a linear laser indicator, wherein the auxiliary device is arranged in front of an automatic welding manipulator, and the linear laser indicator is arranged on a welding arm of the automatic welding manipulator; the auxiliary device comprises a base, a bearing table, an angle adjusting mechanism and a supporting mechanism, wherein arc plates with equal radiuses and taking the center point of the base as the center of a circle are fixed on the upper surface of the base close to four corners, and the four arc plates jointly form an annular track; pulleys matched with the arc-shaped plate are fixed at the four corners of the lower surface of the bearing table through wheel seats; one end of the angle adjusting mechanism is fixed on the base through the base, the other end of the angle adjusting mechanism is connected with the wheel seat, the supporting mechanism is installed on the bearing platform, the appearance of a welding finished product obtained after the auxiliary system is adjusted meets the requirements, the qualification rate is high, the production efficiency is further improved, and the labor cost is reduced.

Description

Auxiliary system for welding longitudinal weld joint of circular tube

Technical Field

The utility model relates to a steel structural member production and processing technology field, concretely relates to pipe longitudinal weld welding auxiliary system.

Background

In the manufacturing process of the steel structure circular tube, longitudinal welding seam and circumferential welding seam welding are generally required to be carried out on the steel structure circular tube. At present, an automatic welding manipulator is mostly adopted to be matched with a supporting device for supporting a circular tube for welding in the welding process of a longitudinal welding line, and the appearance of a welded finished product has the defects of bending, incomplete welding and the like due to the fact that the longitudinal welding line and a cross arm of the manipulator are not in a straight line in the welding process, reworking and polishing are needed, and therefore efficiency is low and labor cost is increased.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a circular tube longitudinal weld seam welding auxiliary system, which comprises an auxiliary device and a linear laser indicator, wherein the auxiliary device is arranged in front of an automatic welding manipulator, and the linear laser indicator is arranged on a welding arm of the automatic welding manipulator; the auxiliary device comprises a base, a bearing table, an angle adjusting mechanism and a supporting mechanism for bearing a to-be-welded longitudinal welding seam circular tube, wherein arc plates with equal radiuses and taking the center point of the base as the circle center are fixed on the upper surface of the base close to four corners, and the four arc plates jointly form an annular track; pulleys matched with the arc-shaped plate are fixed at the four corners of the lower surface of the bearing table through wheel seats; one end of the angle adjusting mechanism is fixed on the base through the base, the other end of the angle adjusting mechanism is connected with the wheel seat, and the supporting mechanism is installed on the bearing platform.

Furthermore, angle adjustment mechanism includes the lead screw, the base is equipped with the through-hole, be equipped with the screw hole on the wheel seat, the one end of lead screw passes in proper order the through-hole with the screw hole stretches out the screw hole, the other end is left the outside of through-hole forms the regulation end, makes through twisting the regulation end soon the lead screw is twisted out or is screwed in the screw hole and then drives the pulley and follow the circular orbit slides in order to realize right treat the deviation between welding pipe longitudinal weld and the welding arm extension line and adjust on the supporting mechanism.

Further, the screw rod is sleeved with a flange fixedly connected with the side part of the base at the position of the through hole. Through flange fixing, prevent that the lead screw from taking place to remove along the lead screw axial in the through-hole, and the influence is to the pulling or the promotion of bearing platform.

Furthermore, the adjusting end is provided with a steering wheel, and the steering wheel is arranged to conveniently grasp the steering wheel to screw the screw rod for adjustment.

Further, the supporting mechanism is a welding roller frame. The special structure of the welding roller carrier is convenient for welding operation of the circular tube.

Furthermore, the pulley is provided with a groove which is in sliding fit with the arc-shaped plate. The bearing table slides on the base through the matching of the groove and the arc-shaped plate.

Furthermore, the bearing platform is of a frame structure. The frame structure not only can meet the use requirement, but also is light and convenient, and reduces the material consumption.

Compared with the prior art, the utility model has the advantages of: the linear laser indicator is installed on the welding arm of the automatic welding manipulator, a laser line sent by the linear laser indicator is overlapped with a walking path of the welding arm through adjustment, then a semi-finished circular tube to be welded is placed on the supporting mechanism, the height of a welding gun is adjusted, the deviation of the laser line and a longitudinal welding line of the circular tube can be seen at the moment, the supporting mechanism for placing the semi-finished circular tube to be welded is indirectly driven by slightly rotating the angle adjusting mechanism to move along an annular track, the laser line is overlapped with the longitudinal welding line, the automatic welding manipulator can be started to weld after the overlapping, the problems encountered in actual production can be effectively avoided by a welding finished product obtained after the auxiliary system is adjusted, the appearance meets the requirements, the qualification rate is high, the production efficiency is improved, and the labor cost is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is the structure diagram of the linear laser indicator and the base cooperating with the automatic welding manipulator of the utility model.

Wherein: 1. a linear laser pointer; 11. a laser line; 21. a base; 211. an arc-shaped plate; 212. a base; 22. a bearing table; 221. a pulley; 222. a wheel seat; 231. a screw rod; 2311. a steering wheel; 24. welding a roller frame; 3. an automatic welding manipulator; 31. welding an arm; 4. welding a longitudinal welding seam circular pipe; 41. a longitudinal weld.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Embodiments of the present invention will be described below with reference to the accompanying drawings:

example (b):

as shown in fig. 1-2, the utility model provides a circular tube longitudinal weld seam welding auxiliary system, which comprises an auxiliary device and a linear laser indicator 1, wherein the auxiliary device is arranged in front of an automatic welding manipulator 3, and the linear laser indicator 1 is arranged on a welding arm 31 of the automatic welding manipulator 3; the auxiliary device comprises a base 21, a bearing table 22, an angle adjusting mechanism and a supporting mechanism for bearing the to-be-welded longitudinal welding seam circular tube 4, wherein arc-shaped plates 211 with equal radiuses and taking the center point of the base 21 as the circle center are fixed on the upper surface of the base 21 close to four corners, and the four arc-shaped plates 211 form an annular track together; pulleys 221 matched with the arc-shaped plate 211 are fixed at the four corners of the lower surface of the bearing table 22 through wheel seats 222; and the pulley 221 is provided with a groove in sliding fit with the arc-shaped plate 211, and the bearing table 22 slides on the base 21 through the matching of the groove and the arc-shaped plate 211. One end of the angle adjusting mechanism is fixed on the base 21 through the base 212, the other end is connected with the wheel seat 222, and the supporting mechanism is installed on the bearing table 22. The welding roller frame 24 is used for facilitating the welding operation of the circular tube by the supporting mechanism; the bearing table 22 is a lightweight frame structure.

In the above embodiment, the angle adjusting mechanism includes the screw rod 231, the base 212 is provided with a through hole, the wheel base 222 is provided with a threaded hole, one end of the screw rod 231 sequentially passes through the through hole and the threaded hole and extends out of the threaded hole, and the other end of the screw rod is left outside the through hole to form an adjusting end, and the screw rod 231 is screwed out of or into the threaded hole by screwing the adjusting end so as to drive the pulley 221 to slide along the circular track, so as to adjust the deviation between the longitudinal weld joint 41 of the circular tube to be welded and the extension line of the welding arm 31 on the supporting mechanism. In order to prevent the screw rod 231 from moving in the through hole along the axial direction of the screw rod 231 and affecting the pulling or pushing of the bearing table 22, a flange fixedly connected with the side portion of the base 212 is sleeved on the screw rod 231 at the through hole. The lead screw 231 is limited and fixed through the flange. Further, in order to conveniently grasp the adjusting end to screw in or screw out the screw rod 231, a steering wheel 2311 may be optionally additionally mounted on the adjusting end.

The utility model discloses a working method describes: aligning the central line of the base 21 with the central line of the welding arm 31 of the automatic welding manipulator 3, fixing the base 21, matching the pulley 221 on the bearing table 22 with the arc-shaped plate 211 on the base 21, installing an angle adjusting mechanism, and installing the welding roller frame 24 on the bearing table 22; then, the linear laser indicator 1 is arranged on the central point of the end head of the welding arm 31, and the laser line 11 emitted by the linear laser indicator 1 is adjusted to coincide with the walking path of the welding arm 31 (the adjustment is not needed when welding is carried out after the adjustment is finished); then, the semi-finished circular tube to be welded is placed on the welding roller frame 24, the height of the welding gun is adjusted, the deviation between the laser line 11 and the longitudinal welding seam 41 of the circular tube can be seen, the screw rod 231 is slightly rotated to indirectly drive the welding roller frame 24 with the semi-finished circular tube to be welded to move along the annular track, so that the laser line 11 and the longitudinal welding seam 41 are overlapped (if the laser is parallel to the welding seam, the left and right mechanisms of the welding gun can be inching to enable the laser line 11 and the welding seam to be overlapped), and after the overlapping, the automatic welding manipulator 3 can be started to weld.

The utility model has the advantages that: 1. the operation is simple and easy to learn, the efficiency is high, the semi-finished circular tube is directly placed on the roller carrier without an intentional swing angle when being hoisted and welded with the roller carrier 24, the angle adjusting mechanism is used for easy adjustment, and the labor cost is reduced. 2. The longitudinal welding line of the welded round pipe is a straight line, so that the welded round pipe is very attractive and has high qualification rate.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A circular tube longitudinal weld seam welding auxiliary system is characterized by comprising an auxiliary device and a linear laser indicator, wherein the auxiliary device is arranged in front of an automatic welding manipulator; the auxiliary device comprises a base, a bearing table, an angle adjusting mechanism and a supporting mechanism for bearing a to-be-welded longitudinal welding seam circular tube, wherein arc plates with equal radiuses and taking the center point of the base as the circle center are fixed on the upper surface of the base close to four corners, and the four arc plates jointly form an annular track; pulleys matched with the arc-shaped plate are fixed at the four corners of the lower surface of the bearing table through wheel seats; one end of the angle adjusting mechanism is fixed on the base through the base, the other end of the angle adjusting mechanism is connected with the wheel seat, and the supporting mechanism is installed on the bearing platform.

2. The round pipe longitudinal weld seam welding auxiliary system according to claim 1, wherein the angle adjusting mechanism comprises a screw rod, the base is provided with a through hole, a threaded hole is formed in the wheel seat, one end of the screw rod sequentially penetrates through the through hole and the threaded hole and extends out of the threaded hole, the other end of the screw rod is left outside the through hole to form an adjusting end, and the screw rod is screwed out or screwed into the threaded hole by screwing the adjusting end so as to drive a pulley to slide along the annular rail to adjust deviation between a to-be-welded round pipe longitudinal weld seam and a welding arm extension line on the supporting mechanism.

3. The round pipe longitudinal seam welding auxiliary system according to claim 2, wherein a flange fixedly connected with the side part of the base is sleeved on the screw rod at the position of the through hole.

4. A circular tube longitudinal seam welding auxiliary system according to claim 2 or 3, wherein a steering wheel is mounted on the adjusting end.

5. A longitudinal round pipe weld seam welding assistance system as claimed in claim 1, wherein the support mechanism is a welding roller carriage.

6. A round tube longitudinal weld seam welding auxiliary system according to claim 1, wherein the pulley is provided with a groove which is in sliding fit with the arc-shaped plate.

7. A round tube longitudinal weld auxiliary system according to claim 1, wherein the load-bearing table is a frame structure.