CN113146091A - Automatic welding device and process method for reinforcing ribs of finned radiators - Google Patents

Abstract

The invention discloses an automatic welding device and a process method for a finned radiator reinforcing rib, and particularly relates to the technical field of finned radiators for transformers. The comprehensive application of the welding device and the process method realizes the positioning welding of the reinforcing rib and the unit fin group of the finned radiator, solves the problem of difficult manual positioning in the existing welding production, meets the production tact requirements of the front and back procedures, greatly improves the welding efficiency and the welding quality of the reinforcing rib of the radiator, breaks through the existing welding process method of the reinforcing rib of the radiator, and develops a new idea for the welding of the reinforcing rib of the radiator.

Description

Automatic welding device and process method for reinforcing ribs of finned radiators

Technical Field

The invention belongs to the field of special electrician equipment, and particularly relates to an automatic welding device and a process method for reinforcing ribs of a finned radiator.

Background

At present, the finned radiator for the transformer in the power equipment industry at home and abroad mostly adopts an inclined and straight reinforcing rib of a manually welded radiator, a clamping plate tool is basically adopted for positioning the radiator fins, the problems that equidistant positioning needs manual guarantee, ribs on two sides of the same radiator need to be hoisted and turned and then positioned again and then welded, the inclined/straight rib positioning completely depends on manual guarantee precision and the like exist in the welding process, and the welding efficiency and the welding quality of the inclined/straight ribs of the radiator become the bottleneck of a clamping neck in the radiator industry.

Disclosure of Invention

Technical problem to be solved

The invention aims to provide an automatic welding device and a process method for a finned radiator reinforcing rib, which not only solve the problem of station welding efficiency of the finned radiator reinforcing rib, but also improve the welding quality of the radiator reinforcing rib.

The automatic welding device and the process method for the reinforcing ribs of the finned radiator comprise the following steps: the swing arm type equidistant positioning device is used for solving the equidistant positioning of the radiator unit pieces, the three-dimensional transfer device is used for solving the positioning problem between the radiator and a work station, the appearance detection device and the reinforcing rib shape correction positioning device are used for solving the consistency problem between the appearance radian of the radiator unit pieces and the radian of the reinforcing ribs, and the robot welding system is used for solving the difficulty in full-automatic welding of the reinforcing ribs of the radiator.

(II) technical scheme

In order to achieve the purpose, the invention adopts the following technical scheme: an automatic welding set of gilled radiator strengthening rib includes steel construction basis, swing arm formula equidistance positioner, three-dimensional year device of carrying, appearance detection device, strengthening rib school shape positioner, robot welding system. The steel structure foundation is fixedly connected with the ground, the three-dimensional transfer device is connected with the steel structure foundation in a sliding manner, the appearance detection device and the robot welding system are fixedly connected with the steel structure foundation, and the swing arm type equidistant positioning device is fixedly connected with the reinforcing rib shape correction positioning device; the steel structure basis provides the basis location with between ground for the automatic welding set of gilled radiator strengthening rib, provides rigid installation basis for swing arm formula equidistance positioner, three-dimensional moving and carrying device, appearance detection device and robot welding system.

Swing arm formula equidistance positioner accomplishes the equidistance locate function of gilled radiator unit piece on the vertical direction, and still keeps the equidistance location of gilled radiator unit piece on the vertical direction when the swing arm changes the angle, swing arm formula equidistance positioner includes slide mounting panel, sliding part, equidistance locating part, steering part, swing arm follow-up part, and wherein slide mounting panel and sliding part provide horizontally slip direction and power for swing arm formula equidistance positioner, and the equidistance locating part provides the interval distance that has high rigidity for the unit piece, and steering part and swing arm follow-up part restrict the motion of unit piece on the vertical direction when swing arm formula equidistance positioner is whole, make it keep the equidistance interval on the vertical direction all the time.

The automatic welding process method for the reinforcing ribs of the finned radiator is characterized in that after the assembly and welding of the oil collecting pipes of the finned radiator are completed, the radiator is conveyed to an automatic welding station of the reinforcing ribs of the finned radiator by a three-dimensional transfer device, meanwhile, the appearance detection device detects the appearance of the radiator in the conveying process, detected data are uploaded to the system, the system compares the curve with a theoretical curve, the swing arm type equidistant positioning device simultaneously performs equidistant spacing positioning and lateral centering positioning on the finned radiator in a lateral supporting lateral positioning mode before the reinforcing ribs are welded, and then the reinforcing rib shape correcting and positioning device performs shape correcting activity of the curve after corresponding optimization on the reinforcing ribs to be welded according to the uploaded data, so that the robot welding system performs welding activity on the radiator reinforcing ribs under the optimal curve condition.

The three-dimensional transfer device comprises a bottom positioning front flange main power rail car, a bottom rear flange supporting plate conveying rail car and a top flexible anti-heeling auxiliary rail car; the three-dimensional transfer device provides conveying power for a radiator in the operation process by using a bottom positioning front flange main power rail car, and simultaneously ensures the positioning precision between the radiator and an automatic welding device, the three-dimensional transfer device provides horizontal supporting force for a rear flange by using a bottom rear flange supporting plate conveying rail car suitable for radiators with different center distance models, the rear flange supporting plate conveying rail car follows the movement of the bottom positioning front flange main power rail car to walk, and the top flexible anti-side-inclination auxiliary rail car of the three-dimensional transfer device is suitable for auxiliary anti-side-inclination and anti-back-inclination of various oil collecting pipe heights.

The appearance detection device comprises a fixing plate, a guide rail, a sliding table, a positioner, a magnetic grid encoder, a compression spring and a detection guide wheel. The appearance detection device is fixedly connected with the steel structure foundation by using a fixing plate; the fixed plate is provided with a guide rail and a sliding table, and the guide rail and the sliding table have single-degree-of-freedom movement; the fixed plate is also provided with a magnetic grid encoder and a positioner, and the magnetic grid encoder and the positioner are used for detecting the displacement of the compression spring when the compression spring moves in the guide wheel; the compression spring is fixedly connected with the detection guide wheel; the appearance detection device compresses the spring and takes place elastic deformation when gilled radiator unit piece passes through this station, and spring place slip table drives the magnetic grid encoder and measures and record the uploading to the outward flange change dimension of gilled radiator unit piece simultaneously.

The reinforcing rib sizing and positioning device comprises a translation sliding table, a rotation sliding table, a reinforcing rib positioning tool and an interval adjusting mechanism, wherein the translation sliding table is fixedly connected with the base of the rotation sliding table, the reinforcing rib positioning tool is fixedly connected with the rotation sliding table, and the interval adjusting mechanism is connected with the translation sliding table, the rotation sliding table and the reinforcing rib positioning tool sliding table. The reinforcing rib shape correcting and positioning device is used for correcting the shape of the corresponding curve of the reinforcing rib body by applying the translation sliding table and the reinforcing rib positioning tool according to the deformation curve of the finned radiator unit provided by the appearance detection device, and the reinforcing ribs are conveyed to the corresponding welding positions by the translation sliding table.

The robot welding system comprises a welding robot body, a welding power supply and a welding gun, wherein the sixth shaft of the robot body is fixedly connected with the welding gun, and the welding power supply is connected to the welding gun. And the robot welding system performs corresponding curve optimization on a welding path of a robot welding gun according to the outer edge size of the finned radiator unit sheet provided by the appearance detection device, so as to complete high-precision welding operation of the finned radiator reinforcing ribs.

The name manufactured by the technical scheme of the invention has the beneficial effects that:

in the reinforcing rib welding process, the reinforcing rib is placed at the designated position manually, subsequent shape correction and feeding are completed automatically by the device, automation is realized from the positioning of the radiator and the shape correction and the positioning of the detected reinforcing rib, and meanwhile, the relative position of the reinforcing rib and the radiator body is in the optimal position by applying a shape correction fitting mode, so that the realization of automatic welding is facilitated. The technical scheme solves the problem that the strengthening rib of the finned radiator is difficult to position manually in the existing welding method, improves the welding efficiency and the welding quality of the strengthening rib of the finned radiator, and achieves the purpose of automatic welding of the strengthening rib of the finned radiator.

Drawings

FIG. 1 is a side view of an axis of an automatic welding device for reinforcing ribs of a plate radiator

FIG. 2 is a front view of an automatic welding device for reinforcing ribs of a plate radiator

FIG. 3 is a side view of an automatic welding device for reinforcing ribs of a plate radiator

FIG. 4 is a second application method of an automatic welding device for reinforcing ribs of a plate radiator

FIG. 5 is a side view of the swing arm type equidistant positioning device shaft

FIG. 6 is a plan view of the three-dimensional transfer device

FIG. 7 is a side view of a top flexible anti-roll auxiliary track axle

FIG. 8 is a side view of a bottom positioned front flange primary power rail axle

FIG. 9 is a side view of a single quill of the profile sensing device

FIG. 10 is a side view of a single sleeve of a rib sizing and positioning device

The above figures note that: 1. a steel structure foundation; 2. a swing arm type equidistant positioning device; 3. a three-dimensional transfer device; 4. a shape detection device; 5. a reinforcing rib shape correcting and positioning device; 6. a robotic welding system; 7. a base sliding table base; 8. a sliding platen at the bottom of the swing arm; 9. a bottom driving gear motor; 10. a lifting adjusting seat; 11. a heavy-duty hinge mount; 12. equally spaced apart units; 13. a sliding table is hung at the top; 14. a steel structure swing arm; 15. a sliding table movable seat; 16. a top sliding table fixing plate; 17. a synchronous reduction motor; 18. the top is a flexible anti-side-tipping auxiliary rail car; 19. the bottom of the front flange main power rail car is positioned; 20. conveying a rail car by a bottom rear flange supporting plate; 21. conveying a suspension bracket; 22. hanging the slideway; 23. hanging a sliding table; 24. the sliding table drives a speed reducing motor; 25. positioning a taper pin; 26. a rotary speed reduction motor; 27. a rotating arm fixing frame; 28. a lifting slideway; 29. an auxiliary power claw; 30. a bottom conveyor frame; 31. a screw elevator; 32. a conveying speed reduction motor; 33. lifting the sliding table; 34. positioning and guiding the air bag; 35. an air bag lifting table; 36. positioning a tooling table; 37. rotating the lower pressure cylinder; 38. lifting the slide rail; 39. an oil collecting pipe flange; 40. a shape detection frame; 41. positioning a detection plate; 42. a pulley fixing frame; 43. detecting a telescopic rod; 44. detecting a roller; 45. elastic pre-pressing piece; 46. a shape correcting fixing frame; 47. a feeding module; 48. a feed gear motor; 49. a turntable; 50. a rotary drive motor; 51. a reinforcing rib fixing frame; 52. frock is fixed to strengthening rib.

Detailed Description

The following detailed description of embodiments of the invention refers to the accompanying drawings.

The invention relates to an automatic welding device for reinforcing ribs of a finned radiator, which comprises a steel structure foundation 1, a swing arm type equidistant positioning device 2, a three-dimensional transfer device 3, an appearance detection device 4, a reinforcing rib shape correction positioning device 5 and a robot welding system 6, wherein the swing arm type equidistant positioning device comprises a first swing arm type positioning device, a second swing arm type equidistant positioning device, a third swing arm type welding device, a third swing arm type equidistant positioning device, a third swing arm type welding device, a third, a fourth, a third, a fourth, a fourth, a fourth, a; steel construction basis 1 and swing arm formula equidistance positioner 2, three-dimensional move and carry device 3, appearance detection device 4 and the 6 fixed connection of robot welding system, the hookup location is shown as figure 1, strengthening rib school shape positioner 5 and swing arm formula equidistance positioner 2 sliding connection.

The swing arm type equidistant positioning device 2 comprises a base sliding table base 7, a swing arm bottom sliding table plate 8, a bottom driving speed reduction motor 9, a lifting adjusting seat 10, a heavy-load hinge seat 11, an equidistant separation unit 12, a top suspension sliding table 13, a steel structure swing arm 14, a sliding table movable seat 15, a top sliding table fixing plate 16 and a synchronous speed reduction motor 17; the swing arm bottom sliding table plate 8 is arranged on a sliding way of the base sliding table base 7 and is enabled to move in the range of the sliding way, the driving force of the mechanism is provided by a bottom driving speed reducing motor 9, and meanwhile, a lifting adjusting seat 10 and a heavy-load hinge seat 11 are further arranged on the swing arm base sliding table plate 8; the lifting function of the lifting adjusting seat 10 is used for adjusting the relative distance between the radiator unit pieces and the equidistant separation units 12, so that the lifting adjusting seat is suitable for processing various types of radiators; the heavy-load hinge seat 11 is fixedly connected with the bottom of the steel structure swing arm 14, the equidistant separation units 12 and the reinforcing rib shape correction positioning device 5 both move on the basis of the steel structure swing arm 14, the equidistant separation units 12 move with the steel structure swing arm 14 in a single degree of freedom through a steering shaft and a slide rail connecting piece, and the reinforcing rib shape correction positioning device 5 moves with the steel structure swing arm 14; the bottom of the equidistant partition unit 12 is connected with a guide rail of a lifting adjusting seat, and the top of the equidistant partition unit is connected with a guide rail of a top suspension sliding table, so that the equidistant partition unit can move with a steel structure swing arm 14 in a single degree of freedom within a specified range; the top hangs slip table 13 and slip table sliding seat 15 fixed connection, and slip table sliding seat 15 is connected fixedly with the rotation plane of the unpowered gyration support bearing at 14 tops of steel construction swing arm simultaneously, is provided with synchronous gear motor 17 on the slip table sliding seat again and is used for driving steel construction swing arm top and carry out the pivot angle activity.

The three-dimensional transfer device 3 comprises a top flexible anti-side-inclination auxiliary rail car 18, a bottom positioning front flange main power rail car 19 and a bottom rear flange supporting plate conveying rail car 20; the three sets of devices can carry out linear conveying adjustment according to the types of the finned radiators, and meet the conveying requirements of various types of finned radiator processing procedures.

Further, the top flexible anti-roll auxiliary rail car 18 comprises a conveying suspension frame 21, a suspension slideway 22, a suspension sliding table 23, a sliding table driving speed reduction motor 24, a positioning taper pin 25, a rotary speed reduction motor 26, a rotary arm fixing frame 27, a lifting slideway 28 and an auxiliary power holding claw 29; the conveying suspension frame 21 is provided with a suspension sliding table 22; the suspended sliding table 22 is provided with a sliding table driving speed reducing motor 24 and a positioning taper pin 25, walking power and high-rigidity positioning of a rotary arm are provided for the flexible railcar at the top, and the fixed end of a rotary speed reducing motor 26 is connected with the suspended sliding table 22; the movable end of the rotary speed reducing motor 26 is connected with a rotary arm fixing frame 27; a lifting slide way 28 is arranged on the rotary arm fixing frame 27; an auxiliary power holding claw 29 is arranged at the movable end of the sliding block of the lifting slide way 28, and the auxiliary power holding claw can move in the lifting slide way so as to adapt to the size specifications of various finned radiators.

Further, the bottom positioning front flange main power rail car 19 and the bottom rear flange supporting plate conveying rail car 20 are general type conveying rail cars, the internal structures, the transmission principles and the lifting systems of the general type conveying rail cars are consistent, and the general type conveying rail cars have high interchangeability, and the mechanism mainly comprises a bottom conveying car frame 30, a spiral lifter 31, a conveying speed reducing motor 32, a lifting sliding table 33, an air bag positioning guide 34, an air bag lifting table 35, a positioning tool table 36, a rotary lower pressure cylinder 37, a lifting sliding rail 38 and an oil collecting pipe flange 39; the bottom conveying vehicle frame 30 is provided with a spiral lifter 31 and a conveying speed reducing motor 32 which respectively provide lifting power and conveying movable power for the conveying vehicle; the top end of the spiral lifter 31 is fixedly connected with the lifting sliding table 33 and drives the lifting sliding table to move in the track; the lifting sliding table 33 is provided with an air bag positioning guide 34 and an air bag for positioning a moving system of the oil collecting pipe of the finned radiator; the air bag lifting platform 35 is fixedly connected with the top of the air bag and moves along with the starting and stopping of the air bag; and a positioning tool table 36 and a rotary lower pressure cylinder 37 are arranged on the air bag lifting table 35, the flange plane of the oil collecting pipe flange 39 is positioned by using the positioning tool table 36, and the oil collecting pipe flange 39 is compressed and positioned by using the rotary lower pressure cylinder 37.

The shape detection device 4 comprises a shape detection frame 40, a positioning detection plate 41, a pulley fixing frame 42, a detection telescopic rod 43, a detection roller 44 and an elastic prepressing piece 45; a positioning detection plate 41 and a pulley fixing frame 42 are arranged on the appearance detection frame 40; the pulley fixing frame 42 is provided with a detection roller; the elastic prepressing piece 45 is positioned in the middle of the pulley fixing frame 42 of the positioning detection plate 41, and the detection telescopic rod 43 moves in the positioning detection plate; the finned radiator drives the elastic prepressing piece 45 through the pressing detection roller 44 to enable the detection telescopic rod 43 to move on the magnetic grid encoder, so that the deviation of the outer edge of the finned radiator is detected.

The reinforcing rib shape correcting and positioning device 5 comprises a shape correcting fixing frame 46, a feeding and feeding module 47, a feeding speed reducing motor 48, a rotary table 49, a rotary driving motor 50, a reinforcing rib fixing frame 51 and a reinforcing rib fixing tool 52; the shape correcting fixing frame 46 is fixedly connected with the bottom surface of the feeding module 47; the sliding block of the feeding module 47 is fixedly connected with the bottom surface of the rotary table 49, so that the rotary table is driven by the sliding block of the feeding module to move within the stroke range; the transmission end of the rotary table 49 is connected with a rotary driving motor 50, and meanwhile, the upper surface of the rotary table 49 is connected with a reinforcing rib fixing frame 51, so that the rotary table 49 drives the reinforcing rib fixing frame 51 to do rotary motion under the power provided by the rotary driving motor 50; the reinforcing rib fixing tool 52 is connected to the reinforcing rib fixing frame 51 and clamps the reinforcing ribs to be welded for movement; the reinforcing rib shape correcting and positioning device 5 is formed by arranging three sets of same devices on the steel structure swing arm 14 at equal intervals to correct the reinforcing ribs, so that the simulation of the outer edges of the reinforcing ribs and the radiator unit fins is met.

The invention relates to a process method for automatically welding a sheet type radiator reinforcing rib, which depends on an automatic welding device, and the specific implementation mode of the method is as follows: after the oil collecting pipe of the finned radiator is welded at a preorder station, the finned radiator is conveyed to a separation position of the swing arm type equidistant positioning device 2 by the three-dimensional transfer device 3, the finned radiator passes through the shape detection device 4 in the process of walking of the finned radiator, the shape detection device can linearly collect the shape size of the finned radiator and form change curve data to be transmitted to the reinforcing rib shape correction positioning device 2, the reinforcing rib shape correction positioning device 2 carries out shape correction positioning on a corresponding curve of the reinforcing rib of the radiator according to the received data, meanwhile, the reinforcing rib of the radiator is conveyed to a welding position, and the robot welding system 6 finishes path planning of robot welding and implements welding operation according to fitting of the reinforcing rib and the shape curve of the unit fins of the radiator.

Referring to fig. 2 and 4, the present invention relates to two application modes: fig. 2 shows a vertical stiffener welding application of a finned radiator, which has the advantages that the positioning balance point of each finned radiator unit is a central line, the two side swing arm type equidistant positioning devices 2, the appearance detection device 4, the stiffener shape correction positioning device 5 and the robot welding system 6 all use the central line as a coordinate reference, and the origin of coordinates of the three-dimensional transfer device 3 is coincident with the central line; fig. 4 for gilled radiator's horizontal strengthening rib welding application mode, its advantage lies in, gilled radiator unit piece is close to swing arm formula equidistance positioner 2 of one side and carries out accurate location, and swing arm formula equidistance positioner 2, appearance detection device 4, strengthening rib school shape positioner 5 and robot welding system 6 of location side are fixed assembly, and the swing arm formula equidistance positioner of bottom is the coordinate origin of whole set of system.

In conclusion, the automatic welding device and the process method for the finned radiator reinforcing ribs provided by the invention are an original automatic welding system for the finned radiator reinforcing ribs, and the device and the process realize automation of all the parts except manual reinforcing ribs, so that the welding quality and the welding efficiency of the radiator reinforcing ribs are greatly improved. In addition, the labor intensity of operators is greatly reduced, the working environment of the operators is improved, and the requirement on the professional skills of the operators is also greatly reduced.

The foregoing merely represents preferred embodiments of the invention, which are described in some detail and detail, and therefore should not be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection of the patent of the invention is subject to the appended claims.

Claims (4)

1. The utility model provides a gilled radiator strengthening rib automatic welder's two swing arm formula equidistance positioning mechanism which characterized in that: the device comprises a bottom shifting sliding table (1), a heavy-load hinge seat (2), an adjustable lifting positioning supporting platform (3), an equidistant positioning separation unit (4), a rigid supporting positioning swing arm (5), a rotary supporting sliding table (6), a top self-adaptive shifting sliding table (7), a reinforcing rib synchronous clamping mechanism (8) and an integrated reinforcing rib shape correcting-feeding-positioning mechanism (9). The bottom is carried and is carried slip table (1) and be fixed in ground, heavily loaded hinge seat (2) is carried slip table (1) with the bottom and is connected through slide mechanism, and heavily loaded hinge seat (2) move along X axle direction at slip table guiding mechanism. The heavy-load hinge seat (2) supports the equidistant positioning and separation unit (4) and the rigid supporting and positioning swing arm (5) to support the pressure brought by the gravity and the radiator body in the Z-axis direction. The adjustable lifting positioning support platform (3) is fixed with the bottom shifting sliding table (1), and the base and the heavy-load hinge seat (2) are arranged on the same installation surface. The equidistance location separation unit (4) is connected in adjustable lift location supporting platform (3) and top self-adaptation moves and carries slip table (7) Y/Z axle direction fixed, moves along with rigid support location swing arm (5) in X axle direction. The bottom of the rigid supporting and positioning swing arm (5) is connected with the heavy-load hinge seat (2), and the top of the rigid supporting and positioning swing arm is connected with the slewing bearing sliding table (6). The rotary supporting sliding table (6) is fixedly connected with the shifting sliding table (7) based on top self-adaption. The top self-adaptive shifting sliding table (7) is connected with the steel structure frame through a mounting surface. The reinforcing rib synchronous clamping mechanism (8) moves along the length direction of the rigid support positioning swing arm (5). The integrated reinforcing rib shape correcting-feeding-positioning mechanism (9) is connected with the reinforcing rib synchronous clamping mechanism, and the number of the integrated reinforcing rib shape correcting-feeding-positioning mechanism is consistent with that of the reinforcing rib synchronous clamping mechanism (8).

Furthermore, the double-swing-arm equidistant positioning mechanism of the automatic welding device for the finned radiator reinforcing ribs is characterized in that the heavy-load hinge seat (2) and the adjustable lifting positioning support platform can move linearly along the bottom transfer sliding table (1), meanwhile, the equidistant positioning separation unit (4) and the rigid support positioning swing arm (5) swing angularly along with the same, and the steering parts of the rotary support sliding table (6) and the top adaptive transfer sliding table rotate along with the same and the body does not move; the top self-adaptive shifting sliding table (7) and the rotary supporting sliding table (6) can move in the X-axis direction by a driving mechanism, and meanwhile, the equidistant positioning separation unit (4) and the rigid supporting positioning swing arm (5) swing angularly along with the top self-adaptive shifting sliding table and the rotary supporting sliding table; the bottom shifting sliding table (1) and the top self-adaptive shifting sliding table (7) can simultaneously or respectively travel in the X-axis direction, and the self-adaptive mechanism can perform follow-up adjustment in the traveling process; the reinforcing rib synchronous clamping mechanism (8) and the integrated reinforcing rib shape correcting-feeding-positioning mechanism (9) are divided into an upper group, a middle group and a lower group, and can move along the Z-axis direction in the track of the rigid supporting and positioning swing arm (5); the reinforcing rib synchronous clamping mechanism (8) can travel in a track of the integrated reinforcing rib shape correcting-feeding-positioning mechanism (9) along the Y-axis direction.

2. The automatic welding process method for the reinforcing ribs of the finned radiator according to claim 1 comprises the following steps: swing arm formula equidistance positioner (2) can carry out the follow-up swing arm according to the angle of inclination of radiator strengthening rib, and swing arm formula equidistance positioner (2) and strengthening rib school shape positioner (5) that make the radiator unit piece are nearest apart from, and furthest's assurance equidistant welding radiator strengthening rib.

3. The automatic welding process method for the reinforcing ribs of the finned radiators according to claim 1, wherein the three-dimensional transfer device (3) comprises a bottom positioning front flange main power rail car (19), a bottom rear flange pallet conveying rail car (20) and a top flexible anti-roll auxiliary rail car (18), the bottom positioning front flange main power rail car (19) provides conveying power for the radiators in the operation process and simultaneously ensures the positioning between the radiators and the automatic welding device, the bottom rear flange pallet conveying rail car (20) is suitable for radiators with different center distance models and provides horizontal support for rear flanges, and the top flexible anti-roll auxiliary rail car (18) is suitable for anti-roll and anti-roll of various oil collecting pipe heights.

4. The automatic welding process method for the reinforcing ribs of the plate radiator as claimed in claim 1, wherein the shape detection device (4) applies a compression mode of extension and contraction of a guide rail spring, a lateral guide wheel group slides on a slide rail, linear measurement is carried out, the curve surface change of all radiator unit pieces in the width direction during the movement process of the radiator unit pieces is recorded, and then the reinforcing ribs are corrected and positioned by the reinforcing rib correction positioning device (5) according to the positions of the reinforcing ribs of the radiator to be welded, so that the radiator unit and the reinforcing ribs are positioned.

Images