CN216177990U

CN216177990U - Welding tool for plate core frame

Info

Publication number: CN216177990U
Application number: CN202122656083.8U
Authority: CN
Inventors: 肖良
Original assignee: Yantai Chenghe Construction Machinery Co ltd
Current assignee: Yantai Chenghe Construction Machinery Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-04-05
Anticipated expiration: 2031-11-01

Abstract

The utility model relates to the technical field of welding tools, in particular to a welding tool of a plate core frame, a plurality of groups of auxiliary workpieces are placed in a plurality of groups of limiting grooves, a main workpiece is fixed through a plurality of groups of clamps, then a worker welds the top end of the workpiece, after the top end of the workpiece is welded, a driving motor is turned on, two groups of connecting shafts are driven by a reduction gearbox to rotate one hundred eighty degrees, the workpiece is turned over, the firmness of the welding at the top end of the workpiece is detected under the action of gravity in the turning process, then a plurality of groups of hydraulic cylinders are contracted, the positions of the plurality of groups of limiting grooves are adjusted to enable seams among the workpieces to leak out, the workers weld the turned workpieces, the multiple groups of hydraulic cylinders extend or contract, so that the equipment can conveniently fix workpieces with different sizes, and the welding efficiency and the practicability of the equipment are improved; the turnover device is installed at the top end of the mobile device.

Description

Welding tool for plate core frame

Technical Field

The utility model relates to the technical field of welding tools, in particular to a welding tool for a plate core frame.

Background

The welding tool is a device used for fixing a workpiece and facilitating welding of the workpiece. Solar panel core frame is responsible for and a plurality of with the looped pipeline welding by two and forms, one side of two person in charge all is equipped with the welding hole the same with looped pipeline external diameter size, be responsible for and need pass through welded connection to a plurality of equidistance parallel arrangement's looped pipeline both ends, and be responsible for and be cylindric with the looped pipeline, current welding frock structure is fairly simple, because the support frame on the welding frock shelters from the welding position, still need the staff to carry out the turn-over to the work piece, waste time and energy, and influence welding efficiency, lead to the practicality relatively poor, consequently, need improve current equipment.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a welding tool for a plate core frame, which is used for placing a plurality of groups of auxiliary workpieces in a plurality of groups of limiting grooves, fixing a main workpiece through a plurality of groups of clamps, welding the top end of the workpiece by a worker, turning on a driving motor after the welding of the top end of the workpiece is finished, rotating two groups of connecting shafts by one hundred eighty degrees through transmission of a reduction box, turning over the workpiece, detecting the firmness of the welding of the top end of the workpiece through the action of gravity in the turning over process, then shrinking a plurality of groups of hydraulic cylinders, adjusting the positions of the plurality of groups of limiting grooves to enable seams between the workpieces to leak, welding the turned-over workpiece by the worker, and extending or shrinking the plurality of groups of hydraulic cylinders to facilitate the equipment to fix the workpieces with different sizes, thereby improving the welding efficiency and the practicability of the equipment.

The welding tool for the plate core frame comprises a turnover device, a supporting device and a moving device, wherein the turnover device is installed at the top end of the moving device and is used for turning over a workpiece;

the turnover device comprises two groups of side wall plates, two groups of connecting shafts, a plurality of groups of clamps, a coupler, a reduction gearbox and a driving motor, wherein the bottom ends of the two groups of side wall plates are all arranged at the top end of the moving device;

the supporting device comprises an outer sleeve, two groups of inner supporting tubes, a plurality of groups of connecting plates, a plurality of groups of hydraulic cylinders, a plurality of groups of supporting seats and a plurality of groups of limiting grooves, wherein one ends of the two groups of outer sleeves are slidably mounted in the inner supporting tubes, openings are formed in the top ends of the inner supporting tubes and the two groups of outer sleeves, the other ends of the two groups of outer sleeves are respectively connected with the other ends of the two groups of connecting shafts, the top ends of the plurality of groups of connecting plates are respectively connected with the bottom ends of the outer sleeves and the two groups of inner supporting tubes, one ends of the plurality of groups of hydraulic cylinders are respectively connected with the front ends and the rear ends of the plurality of groups of connecting plates, the other ends of the plurality of groups of hydraulic cylinders are respectively connected with one ends of the plurality of groups of supporting seats, and the plurality of limiting grooves are respectively mounted at the top ends of the plurality of groups of supporting seats to limit workpieces;

put multiunit auxiliary workpiece with the multiunit spacing groove in, fix main work piece through multiunit anchor clamps, later staff welds the top of work piece, treat that the welding of work piece top is accomplished the back, open driving motor, through the reducing gear box transmission, make two sets of connecting axles rotatory one hundred eighty degrees, turn over the work piece, and at the turn-over in-process, detect work piece top welded fastness through the action of gravity, later multiunit pneumatic cylinder shrink, adjust the position of multiunit spacing groove, make the seam between the work piece spill, the staff welds the work piece after the turn-over again, and extend or shrink through the multiunit pneumatic cylinder, make things convenient for equipment to fix the work piece of unidimensional not, thereby improve the practicality of welding efficiency and equipment.

Preferably, the moving device comprises a first accommodating pipe, a second accommodating pipe, a first supporting pipe, a second supporting pipe, two groups of first bolts and a plurality of groups of universal wheels, the bottom end of the first accommodating pipe is connected with the top end of the second accommodating pipe, the right end of the first supporting pipe is slidably mounted in the first accommodating pipe, the left end of the second supporting pipe is slidably mounted in the second accommodating pipe, the top ends of the first supporting pipe and the second supporting pipe are respectively connected with the bottom ends of the two groups of side wall plates, the first accommodating pipe, the second accommodating pipe, the front ends of the first supporting pipe and the second supporting pipe are respectively provided with positioning holes, the two groups of first bolts are respectively inserted in the positioning holes of the first accommodating pipe and the second accommodating pipe, and the top ends of the plurality of groups of universal wheels are respectively connected with the second accommodating pipe and the bottom ends of the first supporting pipe and the second supporting pipe; after equipment uses the completion, extract two sets of first bolts, take in first supporting tube to first holding in managing, take in second supporting tube to the second holds in managing, the inside of partial two sets of interior supporting tube income to outer tube simultaneously, insert two sets of first bolts respectively to first holding in managing and the second locating hole that holds the pipe again, it is spacing to first supporting tube and second supporting tube to make two sets of first bolts, make the area of equipment reduce, thereby improve the convenience that equipment removed and transported.

Preferably, the fixture comprises a support frame, a slide rail, a lifting plate, a second bolt, a first clamping plate, a first screw rod, a handle and a second clamping plate, wherein the side end of the support frame is installed at the other end of the connecting shaft, the side end of the slide rail is installed on the support frame, the side end of the lifting plate is installed with the slide rail in a sliding manner, fixing holes are formed in the slide rail and the lifting plate, the second bolt is inserted into the fixing holes of the slide rail and the lifting plate, the bottom end of the first clamping plate is connected with the top end of the support frame, the top end of the first screw rod is connected with the bottom end of the handle, the bottom end of the first screw rod penetrates through the lifting plate to be connected with the top end of the second clamping plate in a rotating manner, and the surface of the first screw rod is in threaded connection with the middle of the lifting plate; put main work piece on the top of first splint, through the lifter plate that slides down, make the second splint push down in main work piece's top, later pass the fixed orifices of lifter plate and slide rail with the one end of second bolt, fix the position of lifter plate, rotate the handle again, through first screw rod transmission, finely tune the second splint, make the first splint of second splint cooperation compress tightly main work piece to improve equipment's practicality.

Preferably, the limiting groove comprises a bottom plate, two groups of supporting plates, two groups of springs and two groups of third clamping plates, the bottom end of the bottom plate is connected with the top end of the supporting seat, the bottom ends of the two groups of supporting plates are connected with the top end of the bottom plate, one ends of the two groups of springs are respectively connected with one ends of the two groups of supporting plates, and the other ends of the two groups of springs are respectively connected with one ends of the two groups of third clamping plates; put into the top of bottom plate with the auxiliary workpiece, through the elasticity of two sets of springs, make two sets of third splint clip the auxiliary workpiece, fix the auxiliary workpiece to make things convenient for two sets of third splint to fix the auxiliary workpiece of different diameters through the elasticity of two sets of springs, thereby improve equipment's practicality.

Preferably, the device also comprises a plurality of groups of second screw rods and a plurality of groups of bases, wherein the top ends of the plurality of groups of second screw rods are respectively in threaded connection with the bottom ends of the first supporting pipe and the second supporting pipe, and the bottom ends of the plurality of groups of second screw rods are respectively connected with the top ends of the plurality of groups of bases; through rotating multiunit second screw rod, make the bottom of multiunit base support subaerial, brake equipment to improve equipment's stability.

Preferably, the two groups of side wall plates are provided with cavities inside, and the coupler is positioned inside the right side wall plate; the weight of the equipment is reduced, and therefore the convenience of equipment transportation is improved.

Preferably, the connecting device further comprises two groups of supporting columns, a plurality of groups of sliding blocks and a plurality of groups of bolts, wherein one ends of the two groups of supporting columns are respectively connected with the other ends of the two groups of connecting shafts, one ends of the plurality of groups of sliding blocks are respectively installed on the two groups of supporting columns, and the plurality of groups of bolts respectively penetrate through the plurality of groups of sliding blocks and the two groups of supporting columns to fix the positions of the plurality of groups of sliding blocks; through rotating the multiunit bolt, take off multiunit slider respectively by two sets of support columns on, conveniently change multiunit anchor clamps to improve equipment maintenance's convenience.

Compared with the prior art, the utility model has the beneficial effects that: put multiunit auxiliary workpiece with the multiunit spacing groove in, fix main work piece through multiunit anchor clamps, later staff welds the top of work piece, treat that the welding of work piece top is accomplished the back, open driving motor, through the reducing gear box transmission, make two sets of connecting axles rotatory one hundred eighty degrees, turn over the work piece, and at the turn-over in-process, detect work piece top welded fastness through the action of gravity, later multiunit pneumatic cylinder shrink, adjust the position of multiunit spacing groove, make the seam between the work piece spill, the staff welds the work piece after the turn-over again, and extend or shrink through the multiunit pneumatic cylinder, make things convenient for equipment to fix the work piece of unidimensional not, thereby improve the practicality of welding efficiency and equipment.

Drawings

FIG. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is an enlarged schematic axial view of the clamp of the present invention;

FIG. 3 is a right enlarged view of the outer sleeve and the limiting groove of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 1 according to the present invention;

FIG. 5 is an enlarged view of the portion B of FIG. 1 according to the present invention;

in the drawings, the reference numbers: 1. a side wall panel; 2. a connecting shaft; 3. a clamp; 4. a coupling; 5. a reduction gearbox; 6. a drive motor; 7. an outer sleeve; 8. an inner support tube; 9. a connecting plate; 10. a hydraulic cylinder; 11. a supporting seat; 12. a limiting groove; 13. a first containment tube; 14. a second containment tube; 15. a first support tube; 16. a second support tube; 17. a first latch; 18. a universal wheel; 19. a support frame; 20. a slide rail; 21. a lifting plate; 22. a second bolt; 23. a first splint; 24. a first screw; 25. a handle; 26. a second splint; 27. a base plate; 28. a support plate; 29. a spring; 30. a third splint; 31. a second screw; 32. a base; 33. a support pillar; 34. a slider; 35. and (4) bolts.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

The turnover device is arranged at the top end of the moving device and is used for turning over the workpiece, the supporting device is arranged on the turnover device and is used for supporting and fixing the workpiece, and the moving device is used for adjusting the position of the equipment;

the turnover device comprises two groups of side wall plates 1, two groups of connecting shafts 2, a plurality of groups of clamps 3, a coupler 4, a reduction box 5 and a driving motor 6, wherein the bottom ends of the two groups of side wall plates 1 are all installed at the top end of the moving device, one ends of the two groups of connecting shafts 2 are respectively rotatably connected with the side ends of the two groups of side wall plates 1, the side ends of the plurality of groups of clamps 3 are respectively installed at the other ends of the two groups of connecting shafts 2, the left end of the coupler 4 is fixedly connected with the right end of the right connecting shaft 2, the side end of the reduction box 5 is connected with the right end of the right side wall plate 1, the left end of the reduction box 5 is provided with an output end, the top end of the reduction box 5 is provided with an input end, the right end of the coupler 4 is fixedly connected with the output end of the reduction box 5, and the bottom end of the driving motor 6 is connected with the input end of the reduction box 5;

the supporting device comprises outer sleeves 7, two groups of inner supporting tubes 8, a plurality of groups of connecting plates 9, a plurality of groups of hydraulic cylinders 10, a plurality of groups of supporting seats 11 and a plurality of groups of limiting grooves 12, one ends of the two groups of outer sleeves 7 are slidably mounted in the inner supporting tubes 8, openings are formed in the top ends of the inner supporting tubes 8 and the two groups of outer sleeves 7, the other ends of the two groups of outer sleeves 7 are respectively connected with the other ends of the two groups of connecting shafts 2, the top ends of the plurality of groups of connecting plates 9 are respectively connected with the bottom ends of the outer sleeves 7 and the two groups of inner supporting tubes 8, one ends of the plurality of groups of hydraulic cylinders 10 are respectively connected with the front ends and the rear ends of the plurality of groups of connecting plates 9, the other ends of the plurality of groups of hydraulic cylinders 10 are respectively connected with one ends of the plurality of groups of supporting seats 11, the plurality of limiting grooves 12 are respectively mounted at the top ends of the plurality of groups of supporting seats 11 to limit workpieces;

the moving device comprises a first accommodating pipe 13, a second accommodating pipe 14, a first supporting pipe 15, a second supporting pipe 16, two groups of first bolts 17 and a plurality of groups of universal wheels 18, wherein the bottom end of the first accommodating pipe 13 is connected with the top end of the second accommodating pipe 14, the right end of the first supporting pipe 15 is slidably mounted with the inside of the first accommodating pipe 13, the left end of the second supporting pipe 16 is slidably mounted with the inside of the second accommodating pipe 14, and the top ends of the first supporting tube 15 and the second supporting tube 16 are respectively connected with the bottom ends of the two groups of side wall plates 1, the front ends of the first containing tube 13, the second containing tube 14, the first supporting tube 15 and the second supporting tube 16 are respectively provided with a positioning hole, two groups of first bolts 17 are respectively inserted into the positioning holes of the first containing tube 13 and the second containing tube 14, the top ends of the multiple groups of universal wheels 18 are respectively connected with the bottom ends of the second accommodating pipe 14, the first supporting pipe 15 and the second supporting pipe 16;

putting a plurality of groups of auxiliary workpieces into a plurality of groups of limiting grooves 12, fixing a main workpiece through a plurality of groups of clamps 3, welding the top ends of the workpieces by a worker, opening a driving motor 6 after the top ends of the workpieces are welded, rotating two groups of connecting shafts 2 by one hundred eighty degrees through transmission of a reduction gearbox 5, turning the workpieces, detecting the firmness of the welding of the top ends of the workpieces through the action of gravity in the turning process, contracting a plurality of groups of hydraulic cylinders 10, adjusting the positions of the plurality of groups of limiting grooves 12 to leak seams among the workpieces, welding the turned workpieces by the worker through the plurality of groups of hydraulic cylinders 10, conveniently fixing the workpieces with different sizes by equipment, pulling out two groups of first bolts 17 after the equipment is used, taking a first supporting pipe 15 into a first accommodating pipe 13, taking a second supporting pipe 16 into a second accommodating pipe 14, meanwhile, partial two groups of inner supporting tubes 8 are taken into the outer sleeve 7, and then two groups of first bolts 17 are respectively inserted into the positioning holes of the first accommodating tube 13 and the second accommodating tube 14, so that the two groups of first bolts 17 limit the first supporting tube 15 and the second supporting tube 16, the occupied area of the equipment is reduced, and the welding efficiency and the practicability of the equipment are improved.

Example 2

the clamp 3 comprises a support frame 19, a slide rail 20, a lifting plate 21, a second bolt 22, a first clamping plate 23, a first screw rod 24, a handle 25 and a second clamping plate 26, wherein the side end of the support frame 19 is installed at the other end of the connecting shaft 2, the side end of the slide rail 20 is installed on the support frame 19, the side end of the lifting plate 21 is slidably installed with the slide rail 20, fixing holes are formed in the slide rail 20 and the lifting plate 21, the second bolt 22 is inserted into the fixing holes of the slide rail 20 and the lifting plate 21, the bottom end of the first clamping plate 23 is connected with the top end of the support frame 19, the top end of the first screw rod 24 is connected with the bottom end of the handle 25, the bottom end of the first screw rod 24 penetrates through the lifting plate 21 to be rotatably connected with the top end of the second clamping plate 26, and the surface of the first screw rod 24 is in threaded connection with the middle of the lifting plate 21;

the limiting groove 12 comprises a bottom plate 27, two groups of supporting plates 28, two groups of springs 29 and two groups of third clamping plates 30, the bottom end of the bottom plate 27 is connected with the top end of the supporting seat 11, the bottom ends of the two groups of supporting plates 28 are connected with the top end of the bottom plate 27, one ends of the two groups of springs 29 are connected with one ends of the two groups of supporting plates 28 respectively, and the other ends of the two groups of springs 29 are connected with one ends of the two groups of third clamping plates 30 respectively

The auxiliary workpiece is put on the top end of the bottom plate 27, the two groups of third clamping plates 30 clamp the auxiliary workpiece through the elasticity of the two groups of springs 29 to fix the auxiliary workpiece, the two groups of third clamping plates 30 are convenient to fix the auxiliary workpieces with different diameters through the elasticity of the two groups of springs 29, the main workpiece is placed on the top end of the first clamping plate 23, the second clamping plate 26 is pressed down on the top end of the main workpiece through the downward sliding of the lifting plate 21, then one end of the second bolt 22 passes through the fixing holes of the lifting plate 21 and the slide rail 20 to fix the position of the lifting plate 21, the handle 25 is rotated, the second clamping plate 26 is finely adjusted through the transmission of the first screw rod 24, the second clamping plate 26 is matched with the first clamping plate 23 to tightly press the main workpiece, then the top end of the workpiece is welded by a worker, after the top end of the workpiece is welded, the driving motor 6 is opened, the two groups of connecting shafts 2 are rotated by one hundred eighty degrees through the transmission of the reduction gearbox 5, carry out the turn-over to the work piece to at the turn-over in-process, detect work piece top welded fastness through the action of gravity, later multiunit pneumatic cylinder 10 shrink adjusts the position of multiunit spacing groove 12, makes the seam between the work piece spill, and the staff welds the work piece after the turn-over again, and extends or contracts through multiunit pneumatic cylinder 10, makes things convenient for equipment to fix not unidimensional work piece, thereby improves the practicality of welding efficiency and equipment.

As shown in fig. 1 to 5, in the welding tool for a core frame of a plate according to the present invention, when the welding tool works, first, a plurality of sets of second screws 31 are rotated to support the bottom ends of a plurality of sets of bases 32 on the ground to brake the equipment, then, a pair of sub-workpieces are placed on the top end of a bottom plate 27, two sets of third clamping plates 30 clamp the pair of sub-workpieces through the elasticity of two sets of springs 29, a main workpiece is placed on the top end of a first clamping plate 23, a lifting plate 21 is slid downward to press a second clamping plate 26 against the top end of the main workpiece, then, one end of a second pin 22 is passed through fixing holes of the lifting plate 21 and a slide rail 20 to fix the position of the lifting plate 21, then, a handle 25 is rotated to drive the second clamping plate 26 through the first screws 24 to finely adjust the second clamping plate 26 to match the first clamping plate 23 to press the main workpiece, then, a worker welds the top end of the workpiece, and after the top end of the workpiece is welded, the driving motor 6 is opened, the two groups of connecting shafts 2 are rotated by one hundred eighty degrees through the transmission of the reduction gearbox 5, the workpiece is turned, in the turning process, the firmness of the welding at the top end of the workpiece is detected through the action of gravity, then the multiple groups of hydraulic cylinders 10 are contracted, the positions of the multiple groups of limiting grooves 12 are adjusted, the seams among the workpieces are leaked, the workpiece after the turning is welded by a worker, the workpieces with different sizes are conveniently fixed by the equipment through the stretching or contraction of the multiple groups of hydraulic cylinders 10, after the equipment is used, the two groups of first bolts 17 are pulled out, the first supporting pipe 15 is taken into the first accommodating pipe 13, the second supporting pipe 16 is taken into the second accommodating pipe 14, meanwhile, part of the two groups of inner supporting pipes 8 are taken into the outer sleeve 7, the two groups of first bolts 17 are respectively inserted into the positioning holes of the first accommodating pipe 13 and the second accommodating pipe 14, two groups of first bolts 17 are used for limiting the first supporting tube 15 and the second supporting tube 16, and the occupied area of the equipment is reduced.

The main functions realized by the utility model are as follows: the supporting position of the workpiece is adjusted, so that the worker can weld the seam of the shielding position conveniently, and after the use is finished, the equipment is convenient to store and transport.

According to the welding tool for the plate core frame, the installation mode, the connection mode or the arrangement mode are common mechanical modes, and the welding tool can be implemented as long as the beneficial effects of the welding tool can be achieved; the reduction box 5, the driving motor 6 and the hydraulic cylinder 10 of the welding tool for the plate core frame are purchased from the market, and technicians in the industry only need to install and operate according to the attached operating instructions without creative labor of the technicians in the field.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A welding tool for a plate core frame is characterized by comprising a turnover device, a supporting device and a moving device, wherein the turnover device is mounted at the top end of the moving device and is used for turning over a workpiece;

the turnover device comprises two groups of side wall plates (1), two groups of connecting shafts (2), a plurality of groups of clamps (3), a coupler (4), a reduction gearbox (5) and a driving motor (6), wherein the bottom ends of the two groups of side wall plates (1) are all arranged at the top end of the moving device, one end of each group of connecting shafts (2) is respectively rotatably connected with the side ends of the two groups of side wall plates (1), the side ends of the plurality of groups of clamps (3) are respectively arranged at the other ends of the two groups of connecting shafts (2), the left end of the coupler (4) is fixedly connected with the right end of the right connecting shaft (2), the side end of the reduction gearbox (5) is connected with the right end of the right side wall plate (1), the left end of the reduction gearbox (5) is provided with an output end, the top end of the reduction gearbox (5) is provided with an input end, the right end of the coupler (4) is fixedly connected with the output end of the reduction gearbox (5), and the bottom end of the driving motor (6) is connected with the input end of the reduction gearbox (5);

the supporting device comprises outer sleeves (7), two groups of inner supporting tubes (8), a plurality of groups of connecting plates (9), a plurality of groups of hydraulic cylinders (10), a plurality of groups of supporting seats (11) and a plurality of groups of limiting grooves (12), wherein one ends of the two groups of outer sleeves (7) are slidably mounted with the inner parts of the inner supporting tubes (8), the top ends of the inner supporting tubes (8) and the two groups of outer sleeves (7) are respectively provided with an opening, the other ends of the two groups of outer sleeves (7) are respectively connected with the other ends of the two groups of connecting shafts (2), the top ends of the plurality of groups of connecting plates (9) are respectively connected with the bottom ends of the outer sleeves (7) and the two groups of inner supporting tubes (8), one ends of the plurality of hydraulic cylinders (10) are respectively connected with the front ends and the rear ends of the plurality of groups of connecting plates (9), the other ends of the plurality of hydraulic cylinders (10) are respectively connected with one ends of the plurality of supporting seats (11), the plurality of limiting grooves (12) are respectively mounted at the top ends of the plurality of supporting seats (11), and limiting the workpiece.

2. The plate core frame welding tool as claimed in claim 1, wherein the moving device comprises a first accommodating tube (13), a second accommodating tube (14), a first supporting tube (15), a second supporting tube (16), two sets of first bolts (17) and a plurality of sets of universal wheels (18), the bottom end of the first accommodating tube (13) is connected with the top end of the second accommodating tube (14), the right end of the first supporting tube (15) is slidably mounted with the inside of the first accommodating tube (13), the left end of the second supporting tube (16) is slidably mounted with the inside of the second accommodating tube (14), the top ends of the first supporting tube (15) and the second supporting tube (16) are respectively connected with the bottom ends of the two sets of side wall plates (1), and positioning holes are arranged at the front ends of the first accommodating tube (13), the second accommodating tube (14), the first supporting tube (15) and the second supporting tube (16), two groups of first bolts (17) are respectively inserted into positioning holes of the first accommodating pipe (13) and the second accommodating pipe (14), and the top ends of the multiple groups of universal wheels (18) are respectively connected with the bottom ends of the second accommodating pipe (14), the first supporting pipe (15) and the second supporting pipe (16).

3. The welding fixture of a plate core frame as claimed in claim 1, wherein the fixture (3) comprises a support frame (19), a slide rail (20), a lifting plate (21), a second bolt (22), a first clamping plate (23), a first screw (24), a handle (25) and a second clamping plate (26), the side end of the support frame (19) is mounted at the other end of the connecting shaft (2), the side end of the slide rail (20) is mounted on the support frame (19), the side end of the lifting plate (21) is slidably mounted with the slide rail (20), fixing holes are formed in the slide rail (20) and the lifting plate (21), the second bolt (22) is inserted into the fixing holes of the slide rail (20) and the lifting plate (21), the bottom end of the first clamping plate (23) is connected with the top end of the support frame (19), and the top end of the first screw (24) is connected with the bottom end of the handle (25), the bottom end of the first screw rod (24) penetrates through the lifting plate (21) to be rotatably connected with the top end of the second clamping plate (26), and the surface of the first screw rod (24) is in threaded connection with the middle part of the lifting plate (21).

4. The welding tooling for the plate core frame according to claim 1, wherein the limiting groove (12) comprises a bottom plate (27), two sets of supporting plates (28), two sets of springs (29) and two sets of third clamping plates (30), the bottom end of the bottom plate (27) is connected with the top end of the supporting seat (11), the bottom ends of the two sets of supporting plates (28) are connected with the top end of the bottom plate (27), one ends of the two sets of springs (29) are respectively connected with one ends of the two sets of supporting plates (28), and the other ends of the two sets of springs (29) are respectively connected with one ends of the two sets of third clamping plates (30).

5. The welding tool for the plate core frame according to claim 2, further comprising a plurality of sets of second screws (31) and a plurality of sets of bases (32), wherein top ends of the plurality of sets of second screws (31) are respectively in threaded connection with bottom ends of the first support tube (15) and the second support tube (16), and bottom ends of the plurality of sets of second screws (31) are respectively connected with top ends of the plurality of sets of bases (32).

6. The welding tooling for the plate core frame is characterized in that a cavity is arranged inside each of the two groups of side wall plates (1), and the coupler (4) is positioned inside the right side wall plate (1).

7. The welding tool for the plate core frame according to claim 1, further comprising two groups of supporting columns (33), a plurality of groups of sliding blocks (34) and a plurality of groups of bolts (35), wherein one ends of the two groups of supporting columns (33) are respectively connected with the other ends of the two groups of connecting shafts (2), one ends of the plurality of groups of sliding blocks (34) are respectively installed on the two groups of supporting columns (33), and the plurality of groups of bolts (35) respectively penetrate through the plurality of groups of sliding blocks (34) and the two groups of supporting columns (33) to fix the positions of the plurality of groups of sliding blocks (34).