CN210499053U - Welding system - Google Patents

Abstract

The utility model provides a welding system. The welding system includes: the welding positioning frame comprises a bottom frame, a turnover frame, a sliding support assembly and an upright positioning assembly, wherein the turnover frame is arranged on the bottom frame in a turnover manner, the sliding support assembly is arranged on the turnover frame, the upright positioning assembly is arranged on the turnover frame, and a positioning clamp is arranged on the sliding support assembly; the welding subassembly, the welding subassembly includes ground rail and welding robot, the ground rail is installed the subaerial of welding locating rack side, the movably installation of welding robot is in on the ground rail. The utility model discloses a welding system need not the repair welding, and welding precision is high, can effectively reduce workman's intensity of labour, reduces the cost of labor, satisfies the requirement of batchization high quality high standard.

Description

Welding system

Technical Field

The utility model relates to a welding set technical field particularly, relates to a welding system.

Background

Traditional chassis frame welding all places the chassis frame on a workstation, do some dog location on the workstation, reuse elbow clamp presss from both sides tight welding, can only weld openly like this, welding of reverse side or the welding of the clamping that overturns once more will be welded under the line, parts such as some stands of chassis frame can't fix a position simultaneously, can not weld on the line, repair welding work load is big under the line like this, repair welding still can lead to welding error big, traditional chassis frame welding all is simplex position welding in addition, the production cycle of product has been prolonged to last unloading time like this, consequently, this kind of chassis frame welding mode production efficiency is low, artifical intensity of labour is big, welding error is big, and the cost of labor is high, hardly satisfy the requirement of batched high quality high standard.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a welding system to solve the problem of the low welding efficiency of the chassis frame in the prior art.

In order to achieve the above object, the present invention provides a welding system, including: the welding positioning frame comprises a bottom frame, a turnover frame, a sliding support assembly and an upright positioning assembly, wherein the turnover frame is arranged on the bottom frame in a turnover manner, the sliding support assembly is arranged on the turnover frame, the upright positioning assembly is arranged on the turnover frame, and a positioning clamp is arranged on the sliding support assembly; the welding subassembly, the welding subassembly includes ground rail and welding robot, the ground rail is installed the subaerial of welding locating rack side, the movably installation of welding robot is in on the ground rail.

Further, the welding robot includes: the body is movably arranged on the ground rail; a detection device mounted on the body; the welding manipulator and the controller are in control connection with the detection device and the welding manipulator, and the controller controls the welding manipulator according to a signal detected by the detection device.

Furthermore, the number of the welding positioning frames is two, and the two welding positioning frames are respectively positioned on two sides of the welding assembly.

Further, an arc light blocking device is arranged between the welding assembly and the welding positioning frame.

Further, the arc light blocking device includes: the mounting seat is mounted between the welding assembly and the welding positioning frame; the supporting rod is arranged on the mounting seat in a turnover manner; the side edge of the shading cloth is fixed on the supporting rod; and the driving device is arranged on the mounting seat and is in driving connection with the supporting rod.

Furthermore, the underframe comprises a bottom plate and mounting columns, the two mounting columns are arranged on the bottom plate at intervals, and two ends of the roll-over stand are respectively mounted on the two mounting columns.

Further, the stand locating assembly includes: the support frame is erected on the turnover frame; the upright positioning part is arranged on the support frame; the first sliding rails are respectively arranged on two sides of the turnover frame, and the support frame is erected on the first sliding rails on two sides of the turnover frame.

Further, the pillar positioning portion includes: the first mounting plate is fixed on the support frame; the two first mounting blocks are respectively mounted on two sides of the first mounting plate; the first elbow clamp is arranged on the first mounting plate and is positioned between the two first mounting blocks; the first connecting block is fixed at the end part of the first elbow clamp, and an upright positioning block is arranged on the first connecting block; first bearing and first guiding axle, first bearing is installed on the first mounting panel, first guiding axle is installed in the first bearing, just the bottom of first guiding axle with stand locating piece fixed connection.

Further, the sliding bracket assembly includes: the second sliding rail is arranged on the turnover frame; at least two first supporting plates are slidably arranged on the second sliding rail, and the first supporting plates are provided with the positioning clamps; the second supporting plate is slidably mounted on the second sliding rail and located between the two first supporting plates, and the positioning clamp is arranged on the second supporting plate.

Furthermore, the welding positioning frame also comprises a short pipe positioning structure, and the short pipe positioning structure is fixed on the sliding support component.

Use the technical scheme of the utility model, when actually welding chassis underframe isotructure, at first place the spare part of chassis underframe on sliding bracket subassembly to it is fixed through the locating clip on the sliding bracket subassembly, it is fixed with the stand on the chassis underframe to utilize stand locating component simultaneously. In-process of welding the chassis frame, can weld the chassis frame through the welding subassembly, during the welding, welding robot slides along the ground rail and effectively welds the chassis frame, after welding a side of good chassis frame, through the effect of roll-over stand, can overturn 180 degrees with whole chassis frame, because stand locating component can be fixed with the stand on the chassis frame, in the actual welding process, can once weld the other structures of stand and chassis frame through welding robot, need not the repair welding, the welding precision is high, can effectively reduce workman's intensity of labour, and the labor cost is reduced, satisfy the requirement of batchization high quality high standard.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 schematically illustrates a perspective view of a welding system of the present invention;

FIG. 2 schematically illustrates a side view of the welding system of the present invention after the safety enclosure has been removed;

FIG. 3 schematically illustrates a perspective view of the welding system of the present invention after the safety barrier has been removed;

fig. 4 schematically shows a perspective view of a chassis frame positioned on the welding spacer of the present invention;

FIG. 5 schematically illustrates a front view of a chassis frame positioned on a weld nest of the present invention;

FIG. 6 schematically illustrates a top view of a chassis frame positioned on a weld nest of the present invention;

FIG. 7 schematically illustrates a side view of a chassis frame positioned on a weld nest of the present invention;

FIG. 8 schematically shows an enlarged view of the region M in FIG. 4;

fig. 9 schematically shows an enlarged view of the region N in fig. 4;

fig. 10 schematically shows a block diagram of the second support plate according to the invention.

Wherein the figures include the following reference numerals:

10. a chassis; 11. a base plate; 12. mounting a column; 20. a roll-over stand; 30. a sliding bracket assembly; 31. a second slide rail; 32. a first support plate; 33. a second support plate; 331. a positioning groove; 40. a column positioning assembly; 41. a support frame; 42. a column positioning part; 421. a first mounting plate; 422. a first mounting block; 423. a first elbow clip; 424. a first connection block; 425. a first bearing; 426. a first guide shaft; 427. a column positioning block; 43. a first slide rail; 50. positioning clips; 60. a short pipe positioning structure; 61. a second mounting plate; 62. a second mounting block; 63. a second elbow clip; 64. a second connecting block; 65. a second bearing; 66. A second guide shaft; 67. a limiting sleeve; 68. positioning pins; 70. a welding robot; 80. a ground rail; 90. an arc light blocking device; 91. A mounting seat; 92. a support bar; 93. a shade cloth; 94. a drive device; 100. a safety enclosure; 110. a chassis frame.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Referring to fig. 1-10, according to an embodiment of the present invention, a welding system is provided that includes a weld spacer and a weld assembly.

The welding positioning frame comprises an underframe 10, a turning frame 20, a sliding bracket assembly 30 and an upright positioning assembly 40, wherein the turning frame 20 is arranged on the underframe 10 in a turning manner, the sliding bracket assembly 30 is arranged on the turning frame 20, the upright positioning assembly 40 is arranged on the turning frame 20, and a positioning clamp 50 is arranged on the sliding bracket assembly 30; the welding assembly comprises a ground rail 80 and a welding robot 70, wherein the ground rail 80 is installed on the ground on the side of the welding positioning frame, and the welding robot 70 is movably installed on the ground rail 80.

When actually welding the chassis frame 110, the parts of the chassis frame 110 are first placed on the sliding bracket assembly 30 and fixed by the positioning clips 50 on the sliding bracket assembly 30, and the columns on the chassis frame 110 are fixed by the column positioning assemblies 40. In-process of welding chassis frame 110, can weld chassis frame 110 through the welding subassembly, during the welding, welding robot 70 slides along ground rail 80 and effectively welds chassis frame 110, after welding a side of chassis frame 110, through the effect of roll-over stand 20, can overturn 180 degrees with whole chassis frame 110, because stand locating component 40 can be fixed with the stand on chassis frame 110, in the actual welding process, can once weld fixedly the stand with other structures of chassis frame 110 through welding robot 70, need not the repair welding, the welding precision is high, can effectively reduce workman's intensity of labour, reduce the cost of labor, satisfy the requirement of batched high quality high standard.

Preferably, the welding robot 70 in this embodiment is a welding robot with a hand-eye system, and the robot can be installed and debugged for trace welding, and all takes a picture before welding at every time and then welds, so that the chassis frame is accurate, and the welding quality is ensured. Specifically, the welding robot 70 includes a body, a detection device, a welding robot hand, and a controller, wherein the body is movably mounted on the ground rail 80; the detection device is mounted on the machine body, and the detection device is preferably a camera; the controller is in control connection with the detection device and the welding manipulator, and the controller controls the welding manipulator according to signals detected by the detection device.

During welding, the welding robot 70 slides along the ground rail 80, increasing the range of motion of the welding robot 70.

The welding positioning frames in the embodiment are two, the two welding positioning frames are respectively positioned on two sides of the welding assembly, when one welding positioning frame is reloaded, the welding robot 70 can weld the chassis frame 110 on the other welding positioning frame, and the welding efficiency of the chassis frame 110 can be effectively improved.

Preferably, an arc light blocking device 90 is disposed between the welding assembly and the welding fixture in this embodiment.

Specifically, the arc light blocking device 90 includes a mount 91, a support rod 92, a light blocking cloth 93, and a driving device 94, wherein the mount 91 is mounted between the welding assembly and the welding jig; the supporting rod 92 is arranged on the mounting seat 91 in a turnable way; one side edge of the shade cloth 93 is fixed on the support rod 92; the driving device 94 is mounted on the mounting seat 91 and is in driving connection with the supporting rod 92. The driving device 94 in this embodiment may be a motor, an electric cylinder, or the like, and the light shielding cloth 93 is preferably a black cloth. In actual work, drive arrangement 94 drives the upset of bracing piece 92, and bracing piece 92 is lever structure, and power is done to the cylinder, shelters from arc light with a black cloth, and when cylinder withdrawal was pulled up bracing piece 92 pendulum rod, the cloth was because soft and flagging, just so can not interfere welding robot 70 and just can drive shading cloth 93 and shelter from between welding assembly and welding position frame, and then reach the purpose that keeps off arc light.

Preferably, chassis 10 in this embodiment is H type unipolar machine of shifting, and this H type unipolar machine of shifting can drive roll-over stand 20 and realize chassis frame 110 welded shifting, and servo motor control can 360 cooperation robot welding of +/-.

Specifically, the base frame 10 in the present embodiment includes a bottom plate 11 and two mounting posts 12, the two mounting posts 12 are arranged on the bottom plate 11 at intervals, and two ends of the roll-over stand 20 are respectively mounted on the two mounting posts 12. In actual operation, the roll-over stand 20 can be driven by a driving device such as a motor or an air cylinder to roll over between the two mounting posts 12, so as to weld the chassis frame 110 in a roll-over manner.

Roll-over stand 20 in this embodiment is square frame column structure, specifically is the rectangle frame form, and square frame structure's both ends have the installation axle, and the installation axle can be installed on erection column 12 through bearings etc. simple structure, the upset of being convenient for. Preferably, the roll-over stand 20 can be connected to a flange of an H-shaped single-shaft positioner to support and connect the related positioning tool of the chassis frame 110.

In order to position the columns on the chassis frame 110, the column positioning assembly 40 in this embodiment includes a support frame 41 and a column positioning portion 42, wherein the support frame 41 is erected on the roll-over stand 20; the pillar positioning portion 42 is mounted on the support bracket 41, and can fix a pillar on the chassis frame 110.

In order to adapt to welding of chassis frames 110 of different models, the column positioning assembly 40 in this embodiment further includes first slide rails 43, the first slide rails 43 are respectively disposed on two sides of the directional frame structure, the support frame 41 is erected on the first slide rails 43 on two sides of the square frame structure, and during actual operation, the support frame 41 can move along the first slide rails 43, so as to accurately position the column.

Referring to fig. 4 and 8, the pillar positioning portion 42 in the present embodiment includes a first mounting plate 421, a first mounting block 422, a first toggle clamp 423, a first connecting block 424, a first bearing 425, and a first guide shaft 426.

Wherein, the first mounting plate 421 is fixed on the supporting frame 41; the two first mounting blocks 422 are respectively mounted on two sides of the first mounting plate 421; the first toggle clamp 423 is mounted on the first mounting plate 421 and is located between the two first mounting blocks 422; the first connecting block 424 is fixed at the end of the first elbow clamp 423, and the column positioning block 427 is arranged on the first connecting block 424 to facilitate positioning of the column on the chassis frame 110; the first bearing 425 is mounted on the first mounting plate 421, the first bearing 425 is mounted on the first mounting block 422, the first guide shaft 426 is mounted in the first bearing 425, and the bottom end of the first guide shaft 426 is fixedly connected with the column positioning block 427.

In actual operation, the first toggle clamp 423 is pulled to drive the column positioning block 427 to move, and in this process, under the guiding action of the first guiding shaft 426, the column positioning block 427 moves up and down along the height direction of the supporting frame 41, so as to position the column on the chassis frame 110.

In actual design, the two sides of the roll-over stand 20 in this embodiment are provided with the pillar positioning portions 42, the left pillar positioning portion 42 positions the left pillar of the chassis frame 110, and the relative accuracy of 3 rows of pillars on the left side of the chassis frame 110 is ensured by the positioning accuracy of the pillar positioning portions 42. The right column of the chassis frame 110 is positioned by the right column positioning part 42, the relative accuracy of the 3 rows of columns on the right side of the chassis frame 110 is ensured by the positioning accuracy of the column positioning part 42, and the relative accuracy of the columns on the left side of the chassis frame 110 and the columns on the right side of the chassis frame 110 can be ensured by the relative accuracy of the left column positioning part 42 and the right column positioning part 42.

Referring again to fig. 4 to 8 and 10, the sliding bracket assembly 30 includes a second slide rail 31 and a first support plate 32, wherein the second slide rail 31 is mounted on the roll-over stand 20; at least two first supporting plates 32 are slidably mounted on the second slide rail 31, and a positioning clamp 50 is disposed on the first supporting plate 32. In this embodiment, the positioning clamp 50 is disposed on the first supporting plate 32 capable of sliding along the second sliding rail 31, so that not only the chassis frame 110 can be positioned, but also the chassis frame 110 of different models can be conveniently adapted, meanwhile, after the roll-over stand 20 is turned over, the first supporting plate 32 can be moved, a welding station required on the chassis frame 110 is avoided, and then the chassis frame 110 can be conveniently welded.

It can be seen that the first supporting plate 32 in this embodiment is used for supporting the chassis frame 110, performing a clearance at a position where back welding is required, and performing back welding, the first supporting plates 32 at two sides are mounted on the second slide rail 31, and manual adjustment is performed to achieve positioning welding of two products, namely, a 1200x1600 chassis frame and a 1200x1200 chassis frame. The second slide rail 31 can ensure the precision of the product positioning clamp switched by the first support plate 32, and is convenient to adjust.

The sliding bracket assembly 30 in this embodiment further includes a second support plate 33, the second support plate 33 is slidably mounted on the second slide rail 31 and located between the two first support plates 32, and the second support plate 33 is provided with a positioning clamp 50 and a positioning groove 331 for positioning the middle bottom short tube and supporting and positioning the middle square tube.

Preferably, the positioning clip 50 in this embodiment is an elbow clip, which is stable and reliable.

Referring to fig. 4 and 9, the welding spacer of the present embodiment further includes a short pipe positioning structure 60, and the short pipe positioning structure 60 is fixed on the sliding bracket assembly 30, specifically, is mounted on the first support plate 32 of the sliding bracket assembly 30, so as to fix the short pipe on the chassis frame 110.

Specifically, the spool positioning structure 60 in this embodiment includes a second mounting plate 61, a second mounting block 62, a second toggle clamp 63, a second connecting block 64, a second bearing 65, a second guide shaft 66, and a stop collar 67.

Wherein the second mounting plate 61 is fixed on the first support plate 32; the two second mounting blocks 62 are respectively mounted on two sides of the second mounting plate 61; a second toggle clamp 63 is mounted on the second mounting plate 61 and positioned between the two second mounting blocks 62; a second connecting block 64 is fixed at the end part of the second elbow clamp 63, and a positioning pin 68 is arranged on the second connecting block 64; second bearing 65 installs on second mounting panel 61, and second guiding axle 66 installs in second bearing 65, and the bottom and the second connecting block 64 fixed connection of second guiding axle 66, and stop collar 67 cover is established in the one end that second guiding axle 66 kept away from second connecting block 64, is convenient for carry on spacingly to second guiding axle 66.

In actual work, the second elbow clamp 63 is pulled to drive the second connecting block 64 to move, in the process, under the guiding action of the second guiding shaft 66, the second connecting block 64 moves along the length direction of the roll-over stand 20, and then the positioning pin 68 can be driven to be inserted into the through hole on the short pipe on the chassis frame 110, so that the short pipe can be positioned. In practice, the short pipe positioning structures 60 are disposed on the left and right sides of the sliding bracket assembly 30 to position the short pipes on the left and right sides of the chassis frame 110.

According to foretell embodiment, the utility model discloses improve to the current situation that chassis frame 110 welding site manual labor intensity is big, production efficiency is low and welding precision is low, reduce many times group to the welding through the automatic welding of the location to all spare parts, realize through H type unipolar machine of shifting that the welding of all-round welding seam reduces clamping welding and repair welding intensity of labour under the line many times, great promotion the welding automation of chassis frame.

Preferably, the welding system in this embodiment further includes a safety enclosure 100, and the safety enclosure 100 is enclosed at the periphery of the welding positioning frame and the welding assembly, so as to prevent workers from entering the welding area by mistake, and improve the safety performance of the welding system in this embodiment.

The welding system of the utility model consists of a welding robot 70 with a hand-eye system, a ground rail 80, a welding positioning frame, an arc light blocking device 90 and a safety fence 100, the welding robot 70 with the hand-eye system can slide on the ground rail 80 to swing an optimal welding angle for welding in a large range, and the accurate welding can be realized by taking a picture before welding without considering the problem of welding seam position deviation caused by poor feeding precision; the welding positioning frame can position all parts of the chassis frame 110, a hollow avoiding position is formed on the welding positioning frame, and the parts of the chassis frame 110 can be welded at the optimal welding angle through the arbitrary angle overturning and displacement of the displacement machine; the duplex position welding can realize that one side welding robot 70 welds the artifical unloading of going up on in turn of going up on simultaneously, and the production beat is fast, keeps off the operating personnel of unloading of having protected that arc light device 90 is fine in the middle of the while. Under the effect of the double-station chassis frame welding system, the welding precision of the welding system is ensured to a certain extent, the batch welding difference is small, the production efficiency is high, and the labor intensity is greatly reduced.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects: the utility model discloses a welding system has solved chassis underframe batchization welding production efficiency and has low, and artifical repair welding is many, and welding error is big, and intensity of labour is big, and the cost of labor is high, hardly satisfies a series of problems of requirement of high quality high standard, reaches and subtracts the person and increase effects, reduces artifical intensity of labour, promotes welding quality, improves chassis underframe batchization welding automation rate.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A welding system, comprising:

the welding positioning frame comprises a base frame (10), a turnover frame (20), a sliding support assembly (30) and an upright positioning assembly (40), wherein the turnover frame (20) is arranged on the base frame (10) in a turnover mode, the sliding support assembly (30) is arranged on the turnover frame (20), the upright positioning assembly (40) is arranged on the turnover frame (20), and a positioning clamp (50) is arranged on the sliding support assembly (30);

the welding subassembly, the welding subassembly includes ground rail (80) and welding robot (70), ground rail (80) are installed the subaerial of welding locating rack side, welding robot (70) movably install on ground rail (80).

2. The welding system according to claim 1, wherein the welding robot (70) comprises:

a fuselage movably mounted on the ground rail (80);

a detection device mounted on the body;

the welding manipulator and the controller are in control connection with the detection device and the welding manipulator, and the controller controls the welding manipulator according to a signal detected by the detection device.

3. The welding system of claim 1, wherein the number of weld locators is two, and the two weld locators are located on either side of the weld assembly.

4. The welding system of claim 1, wherein an arc blocking device (90) is disposed between the welding assembly and the weld spacer.

5. The welding system of claim 4, wherein the arc stop apparatus (90) comprises:

a mounting seat (91), the mounting seat (91) being mounted between the welding assembly and the welding spacer;

the supporting rod (92), the supporting rod (92) is installed on the installation seat (91) in a reversible mode;

the side edge of the shading cloth (93) is fixed on the supporting rod (92);

the driving device (94) is installed on the installation seat (91) and is in driving connection with the supporting rod (92).

6. The welding system according to claim 1, characterized in that the base frame (10) comprises a bottom plate (11) and two mounting columns (12), the two mounting columns (12) are arranged on the bottom plate (11) at intervals, and two ends of the roll-over stand (20) are respectively mounted on the two mounting columns (12).

7. The welding system of claim 1, wherein the stud locating assembly (40) comprises:

the supporting frame (41), the supporting frame (41) is erected on the roll-over stand (20);

a column positioning portion (42), the column positioning portion (42) being mounted on the support frame (41);

the first sliding rails (43) are respectively arranged on two sides of the turnover frame (20), and the supporting frame (41) is erected on the first sliding rails (43) on two sides of the turnover frame (20).

8. The welding system of claim 7, wherein the stud locating portion (42) comprises:

the first mounting plate (421), the said first mounting plate (421) is fixed on the said supporting arm (41);

the two first mounting blocks (422) are respectively mounted on two sides of the first mounting plate (421);

a first elbow clip (423), the first elbow clip (423) being mounted on the first mounting plate (421) and located between the two first mounting blocks (422);

the first connecting block (424), the first connecting block (424) is fixed at the end of the first elbow clip (423), and a column positioning block (427) is arranged on the first connecting block (424);

the first bearing (425) and a first guide shaft (426), the first bearing (425) is installed on the first installation plate (421), the first guide shaft (426) is installed in the first bearing (425), and the bottom end of the first guide shaft (426) is fixedly connected with the column positioning block (427).

9. The welding system of claim 1, wherein the sliding bracket assembly (30) comprises:

the second sliding rail (31), the said second sliding rail (31) is installed on the said roll-over stand (20);

at least two first supporting plates (32) are slidably mounted on the second sliding rail (31), and the positioning clamp (50) is arranged on each first supporting plate (32);

the second supporting plate (33) is slidably mounted on the second sliding rail (31) and located between the two first supporting plates (32), and the positioning clamp (50) is arranged on the second supporting plate (33).

10. The welding system of claim 9, wherein the weld spacer further comprises a spool positioning structure (60), the spool positioning structure (60) being secured to the sliding bracket assembly (30).

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