CN110919138A - Full-automatic welding device and process for spring cylinder and brake hanging seat - Google Patents
Full-automatic welding device and process for spring cylinder and brake hanging seat Download PDFInfo
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- CN110919138A CN110919138A CN201911306477.1A CN201911306477A CN110919138A CN 110919138 A CN110919138 A CN 110919138A CN 201911306477 A CN201911306477 A CN 201911306477A CN 110919138 A CN110919138 A CN 110919138A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/02—Seam welding; Backing means; Inserts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
Abstract
The invention discloses a full-automatic welding device for a spring cylinder and a brake hanging seat, which comprises a full-automatic welding robot, and a spring cylinder tool and a brake hanging seat tool which are matched with the full-automatic welding robot, wherein the robot integrates a welding manipulator and a positioner, and each tool is arranged on the positioner to turn over for welding; welding a sealing plate and a brake pipe by a first tool of the hanging seat, and fixing a rib plate, the brake pipe and a vertical plate in a point mode, welding the vertical plate and the brake pipe by a second tool of the hanging seat, and then welding fillet welds among the rib plate, the brake pipe and the vertical plate; a base plate and an upper cover plate are assembled and welded by a first spring cylinder tool, a vertical plate is formed and is in tack welding with the upper cover plate, the vertical plate is in butt welding with a bevel face, a lower cover plate and a vertical plate are in tack welding by a second spring cylinder tool, and a shock absorber seat plate is welded with a shock absorber rib plate; a third tool of the spring cylinder is used for welding a circumferential weld of the spring cylinder and sealing the bottom of the vertical plate; and welding seams are formed between parts of the shock absorber and the vertical plate in the fourth tool welding process of the spring cylinder. The invention also discloses a full-automatic welding process of the device, which can improve the productivity and reduce the labor intensity.
Description
Technical Field
The invention relates to a rail transit bogie system, which is applied to the assembly welding work of parts of a suspension and braking part of a bogie of a car body, in particular to a full-automatic welding device and a welding process for a spring cylinder and a braking hanging seat.
Background
The spring barrel is applied to 25T type passenger cars and power concentrated motor train unit trains with the speed of 160 kilometers per hour in China, and belongs to key parts of train bogies. The spring cylinder part is welded on the bogie and is connected with the wheel set through the spring group, so that the effects of bearing and damping of the vehicle are achieved.
The prior art comprises manual assembly and manual welding, and the spring cylinder has more working procedures, so that the processing and manufacturing flow is complicated, the manual welding flow comprises ① assembly welding of a spring cylinder base plate and an upper cover plate, ② assembly welding of a spring cylinder vertical plate, ③ assembly welding of the spring cylinder vertical plate and a lower cover plate, ④ welding of a butt welding seam of the spring cylinder vertical plate, ⑤ assembly welding of the vertical plate and the upper cover plate, ⑥ welding of a circumferential welding seam between the spring cylinder vertical plate and the upper cover plate and welding seams between a damper base plate and a damper base plate, ⑦ adjustment welding of the upper cover plate and the lower cover plate, ⑧ assembly welding of the damper base and a cylinder body, ⑨ welding seam repair and polishing, steel seal marking and welding seam inspection.
The brake hanging seat is applied to a PW120E subway bogie, and belongs to a key component of a brake assembly in the bogie, and the brake assembly and the bogie are connected together through the key component. The prior art is manual assembly and manual welding, the relative position of the vertical plate of the brake hanging seat is difficult to ensure under the prior art, and a large amount of reworking is carried out due to unqualified products caused by errors of manual assembly; the assembling position of the rib plate of the brake hanging seat belongs to a space size, and the assembling precision of the manual template scribing assembly is difficult to meet, so that the inaccurate position of the rib plate can influence the stress condition of the part to influence the service life of a product, and certain potential safety hazards exist; the braking hanging seat is divided into a left part and a right part, and the left part and the right part are reversely assembled sometimes by manual assembly to cause product scrapping, so that product materials are wasted, and the production cost is increased.
Therefore, in order to solve the above problems, there is a need for a full-automatic welding device and a full-automatic welding process thereof to improve the defects of insufficient productivity, reduced labor intensity of welding operators, improved product process flow and insufficient product component assembly precision.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide the full-automatic welding device for the spring cylinder and the brake hanging seat, which can improve the productivity of the spring cylinder and the brake hanging seat, reduce the labor intensity of welding operators, refine the process flow of products, improve the assembly precision of product parts, and completely avoid the phenomena of misloading, neglected loading and the like of the products.
The invention also aims to provide a full-automatic welding process for the spring cylinder and the brake hanging seat.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the full-automatic welding device for the spring cylinder and the brake hanging seat comprises a full-automatic welding robot, and a spring cylinder tool and a brake hanging seat tool which are matched with the full-automatic welding robot, wherein the robot integrates a welding manipulator and a positioner, and each tool is arranged on the positioner and turned over so as to be convenient for welding at each angle; the brake hanging seat tool comprises a hanging seat first tool and a hanging seat second tool, wherein the hanging seat first tool is used for welding the sealing plate with the brake pipe and fixing the rib plate, the brake pipe and the vertical plate in a point mode, and the hanging seat second tool is used for firstly completing welding of the vertical plate with the brake pipe and then completing fillet weld welding of the rib plate with the brake pipe and the vertical plate; the spring cylinder tool comprises four sets of tools, the first spring cylinder tool is used for assembling and welding a base plate and an upper cover plate, forming a vertical plate and the upper cover plate in a point-fixing mode and welding a welding seam of a butt-joint slope opening surface of the vertical plate, the second spring cylinder tool is used for assembling and welding a lower cover plate and the vertical plate in a point-fixing mode and welding a shock absorber seat plate and a shock absorber rib plate; the third fixture of the spring cylinder performs circular seam welding and vertical plate back sealing welding on the spring cylinder; and welding seams between the parts of the shock absorber and the vertical plate by the fourth tool of the spring cylinder.
Further, the first tool of the hanging seat comprises a plurality of welding areas, wherein the first welding area is as follows: brake pipe assembly limiting is arranged at two ends of a brake pipe of the brake hanging seat, sealing plate clamping pieces are arranged on the outer sides of two ends of the brake pipe, the sealing plate clamping pieces can fix the sealing plate through the material of an electromagnetic piece of the sealing plate clamping pieces, and the sealing plate is conveyed into the brake pipe through the movement of an air cylinder to be fixed in point and then is withdrawn; and area two: the brake pipe limiting and pressing device is arranged on the brake pipe respectively, a vertical plate first limiting and a vertical plate second limiting are arranged at two ends of a vertical plate of the brake hanging seat respectively, the vertical plate first limiting is close to the vertical plate and the brake pipe, the vertical plate second limiting is located at an end mounting seat of the vertical plate, the vertical plate second limiting comprises a vertical plate fixing limiting and a vertical plate moving limiting, one surface of the end mounting seat of the vertical plate is abutted and fixed by the vertical plate fixing limiting, and the other surface of the end mounting seat of the vertical plate is tightly pushed to the vertical plate through an air cylinder by the; and a rib plate clamping piece is additionally arranged at the rib plate of the brake hanging seat. In the second tool of the hanging seat, one end of the brake pipe is provided with a brake pipe pressing device, the other end of the brake pipe is provided with a limiting structure, namely a limiting assembly, and the limiting assembly is used for limiting and fixing the two vertical plates.
Further, the first fixture for the spring case comprises a plurality of areas, wherein the area I: the tool is respectively provided with a limit for the arc part and the end part of the upper cover plate to fix the upper cover plate, a cylinder pressing device is arranged above the tool and can press the base plate from the upper part, a movable base plate angle adjusting device is also arranged above the tool, the device corrects holes in the base plate so as to position and adjust the relative position of the base plate and the upper cover plate, and the device can be automatically retracted after the base plate is pressed; and area two: the tool is provided with a vertical plate pressing limit and a vertical plate groove limit, the vertical plate groove limit is positioned at the junction of two vertical plates formed by the vertical plates and is pressed and fixed, and the vertical plate pressing limit is positioned in the middle of the whole vertical plate; an upper cover plate limiting and a central positioning pin are arranged above the tool and are respectively positioned at the end part and the center of the upper cover plate.
Further, the spring case second tool comprises a plurality of areas, wherein the area I: the upper part of the tool is respectively provided with a limit for two end parts of the lower cover plate, the upper part of the tool is respectively provided with a fixed limit and a movable limit for the end part of the upper cover plate, and the parallelism between the upper cover plate and the lower cover plate is less than 1mm through the 4 limits; and area two: the tooling is provided with a rib plate position positioning pin, a rib plate clamping and damper seat positioning piece, the rib plate clamping and damper seat positioning piece comprises a limiting part and other positioning parts, the limiting part is clamped with the arc position of the damper seat plate, and the other positioning parts clamp the two damper rib plates from the outer side to the inner side and position the damper seat plate; the rib plate position positioning pin penetrates through rib plate holes of the two damper rib plates to perform positioning and fixing.
Furthermore, the third spring cylinder tool comprises limit blocks and a screw rod, wherein the limit blocks and the screw rod are respectively used for fixing two ends of the upper cover plate, and the screw rod penetrates through the center formed by the upper cover plate, the lower cover plate and the vertical plate to fix the spring cylinder on the tool;
further, be equipped with down the apron on the spring case fourth frock and fix spacing, the portable spacing of lower apron, material detection sensor and spacing post, the apron is fixed spacing down, the portable spacing of lower apron is spacing to the apron down, and four spacing posts are spacing to the board constitution, and material detection sensor is used for checking the shock absorber and whether neglected loading.
The full-automatic welding process of the spring cylinder and the brake hanging seat adopts a full-automatic welding robot to be matched with various spring cylinder tools and brake hanging seat tools respectively for full-automatic welding:
the process flow of the brake hanging seat comprises the following steps: (1) welding the sealing plate and the brake pipe by using a first tool of the hanging seat, and tack-fixing the rib plate, the brake pipe and the vertical plate; (2) assembling the workpiece finished in the step (1) on a second tool of the hanging seat, wherein the second tool firstly finishes welding the vertical plate and the brake pipe and then finishes welding the rib plate with the brake pipe and the fillet weld between the rib plate and the vertical plate; (3) repairing and polishing the welding line of the brake hanging seat, adjusting the shape, engraving a steel seal and checking the welding line;
the spring case process flow comprises the following steps: (1) assembling and welding a base plate and an upper cover plate, assembling and fixing a vertical plate and the upper cover plate, and welding a welding seam of a butt-joint bevel face of the vertical plate; (2) forming a point fixing structure by the lower cover plate and the vertical plate, and welding the absorber seat plate and the absorber rib plate; (3) welding a circular weld seam of the spring cylinder and welding a back cover of the vertical plate; (4) welding seams are formed between parts of the shock absorber and the vertical plate; (5) and repairing and polishing the welding seam of the spring barrel.
Further, step (2) of the spring case process flow: hoisting the welded part in the step (1) on one side of the second fixture of the spring cylinder to complete the assembly and spot fixing of the vertical plate and the lower cover plate; after the lower cover plate is assembled, the shock absorber seat plate and the left and right shock absorber rib plates are placed on the other side of the spring case second tool to complete the welding of the shock absorber seat plate and the shock absorber rib plates: and a bottom positioning pin on the spring drum second tool penetrates through a hole of the shock absorber seat plate to be fixed, the arc position of the shock absorber seat plate is attached to the limit position, then the shock absorber rib plate is placed on the spring drum second tool, and the rib plate position positioning pin is manually operated to penetrate through holes of the two shock absorber rib plates and to be fixed, so that the two holes of the shock absorber rib plate are concentric and the relative position of the two holes and the shock absorber seat plate is determined.
Further, step (3) of the spring case process flow: hoisting a combination body consisting of the upper cover plate, the lower cover plate and the vertical plate of the spring cylinder assembled in the step (2) on a third tool of the spring cylinder, limiting the upper cover plate and the tool to be tightly attached, concentrically penetrating the upper cover plate, the lower cover plate and the vertical plate by using a screw rod to form a fastening part, and keeping the assembling position horizontal; after the assembly is finished, an operator leaves an operation area, the robot starts a welding program, and after the welding program is started, the assembly kept horizontal is turned over by 90 degrees through the movement of the air cylinder, and the position of the assembly is detected and corrected; and after the detection is finished, the robot starts to automatically weld the assembly parts, the welding of the circumferential weld between the vertical plate assembly and the upper cover plate and between the vertical plate assembly and the lower cover plate is finished through the rotation of the positioner, and the sequence of bottoming, filling and capping of the circumferential weld is carried out in the sequence of firstly covering the lower cover plate and then covering the upper cover plate.
Further, after the circumferential weld welding is finished, the positioner rotates the circular weld back to the original point of the step and then rotates the circular weld clockwise by 90 degrees and 270 degrees, thereby completing the back sealing welding of the butt weld formed by the vertical plates, wherein the welding direction is inward from the lower cover plate; after the welding of the vertical plate back sealing is finished, the positioner rotates to the original point in the step and then adjusts the workpiece to be in a horizontal state through the movement of the air cylinder, the fillet weld of the weld between the vertical plate assembly and the upper cover plate is welded, and the fillet weld is welded by using the welding gun of the robot to perform anticlockwise movement for welding operation.
Further, step (4) of the spring case process flow: the shock absorber bedplate, the shock absorber gusset and the barrel body part of the spring barrel which have the adjusted shape, namely the assembly comprising the vertical plate, the upper cover plate and the lower cover plate, are placed at the corresponding positions of the fourth tool of the spring barrel: the barrel body part is firstly placed in a space surrounded by a plurality of limiting columns, then the shock absorber seat plate and the shock absorber rib plate are assembled on the barrel body part, the gap between the shock absorber seat plate and the barrel body part is 0-1mm after the assembly, and the shock absorber seat plate is attached to the tool; the operator leaves the operation area, clamps the workpiece through the operation equipment key, and the robot automatically detects, fixes and welds the assembled part.
Compared with the prior art, the invention has the following advantages:
(1) the number of operators is obviously reduced, and the labor cost is reduced. And the working environment and the labor intensity are improved.
A spring case: after the full-automatic welding process is implemented, production operators can reduce the number of required manual welding to 3 from 10, and the number of workers is reduced by 70%.
Braking the hanging seat: after the full-automatic welding process is implemented, production operators can reduce the number of needed manual welding operations from 4 to 3, and the number of workers is reduced by 25%.
(2) The production beat is greatly improved (according to the production welding procedure), the production efficiency is greatly improved, the single-day productivity is improved, the delivery requirement of the product can be met, and meanwhile, the labor cost is further saved.
A spring case: the welding time of a single product after the full-automatic welding process is improved by 34 percent compared with manual welding.
Braking the hanging seat: the welding time of a single product after the full-automatic welding process is implemented is improved by 25 percent compared with manual welding.
(3) The per-capita productivity is improved, the per-capita productivity can be obviously improved through comparison, and personnel can be fully utilized.
A spring case: the per-capita productivity is improved by 4.7 times compared with manual welding after the full-automatic welding process is implemented.
| |
10 persons | 5.5 pieces | 8 hours | Everyone 0.55 |
| |
3 persons | 8 pieces | 8 hours | Everyone 2.6 |
Braking the hanging seat: the per capita productivity is improved by 2.1 times compared with manual welding after the full-automatic welding process is implemented.
| Hand welding | 4 |
10 pieces | 8 hours | Everyone 2.5 |
| |
3 |
16 pieces | 8 hours | Everyone 5.3 |
(4) The welding quality is improved, and the method is suitable for assembly line operation
The product welded by automatic welding has better consistency, the joint position is fixed, and the subsequent polishing and repairing are fixed, so that the automatic welding device is suitable for mass production line production. Manual welding produces poor product consistency in batches due to certain deviations in joint positions due to assembly errors.
The weld penetration of automatic welding is large, the welding quality is good, if the weld penetration of automatic welding can reach 4mm, and the weld penetration of manual welding can reach 2mm at most.
The labor intensity can be reduced, the detection equipment can be arranged on the tool simultaneously and can effectively prevent errors only by placing the parts at corresponding positions according to the working procedures, and compared with manual welding, the influence of human factors is reduced.
The production process is safer.
In conclusion, the automatic welding machine has high automation degree, and can realize that clamping, gun cleaning and welding (requiring manual feeding and discharging) can be automatically completed by starting one key; the welded product has good consistency, and the integral sensory quality of the product is improved on the premise of meeting the technical requirements of the product; the equipment has a 'start detection' function and can detect the position of a part with deviation within 8mm, namely the deviation equipment within 8mm can automatically correct; the assembly welding tool has a detection function, has the functions of preventing misassembly and neglected assembly, and can avoid the error of human factors; the equipment has good welding quality, can realize full penetration welding without back chipping, reduces the polishing workload, improves the production operation environment and reduces the consumption of auxiliary materials; the equipment is suitable for assembly line operation, and double stations can meet the requirement of workpiece taking and assembling work of one station during welding of the other station, so that the production efficiency can be greatly improved, and the utilization rate of personnel can be improved; the equipment of the invention can provide a certain technical accumulation for automatic welding and even automatic production in the field of industry.
Drawings
FIG. 1 is a schematic view of a spring cartridge;
FIG. 2 is a schematic view of a brake spider;
fig. 3 is a schematic view of a robot body: (a) a side view; (b) a top view; (c) a side view of the positioner;
fig. 4 is a schematic view of a first tool for a brake hanger: (a) a general view; (b) the middle part is enlarged; (c) enlarged view of both end portions; (d) an enlarged view of the closing plate clamping piece; (e) a rib plate clamping piece is shown as a first drawing; (f) a rib plate clamping piece schematic diagram II; (g) a rib plate clamping piece is shown schematically in a third drawing; (h) a second limiting enlarged view of the vertical plate;
FIG. 5 is a schematic view of a second tooling for the brake hanger;
FIG. 6 is a sequence view of a second tool for brake hangers;
fig. 7 is a schematic view of a first tooling for a spring case: (a) a general view; (b) left side partial enlarged view; (c) right part enlarged view;
fig. 8 is a schematic view of a second tooling for a spring case: (a) a general view; (b) left side partial enlarged view; (c) right part enlarged view; (d) the position relation of the damper rib plate and the seat plate is schematic;
FIG. 9 is a schematic view of a third tooling for the spring case;
FIG. 10 is a fourth tooling schematic view of the spring cartridge;
wherein, 1-robot body, 11-control cabinet, 12-position changing machine, 13-middle screen, 14-initial detection system, 15-gun cleaning mechanism, 16-safety fence, 17-manipulator, 18-welding wire support, 19-welding gun cooling system;
2-spring cylinder, 21-backing plate, 22-lower cover plate, 23-upper cover plate, 24-vertical plate, 25-shock absorber rib plate, 26-shock absorber seat plate, 27-rib plate hole;
3-a brake hanging seat, 31-a vertical plate, 32-a brake pipe, 33-a rib plate and 34-a sealing plate;
4-a brake hanging seat welding tool, 41-a brake hanging seat first tool, 411-a sealing plate clamping piece, 412-a brake pipe assembling limiting part, 413-a pressing device, 414-a vertical plate first limiting part, 415-a brake pipe limiting part, 416-a vertical plate second limiting part, 4161-a vertical plate fixing limiting part, 4162-a vertical plate moving limiting part and 417-a rib plate clamping piece; 42-a second brake lifting seat fixture, 421-a brake pipe pressing device and 422-a limiting assembly;
5-spring cylinder welding tool, 51-spring cylinder first tool, 511-upper cover plate arc part limiting, 512-cylinder pressing device, 513-base plate angle adjusting device, 514-upper cover plate end limiting, 515-upper cover plate limiting, 516-vertical plate pressing limiting, 517-vertical plate groove limiting, 518-center positioning pin; 52-spring case second tool, 521-lower cover plate arc part limiting, 522-lower cover plate end part limiting, 523-upper cover plate fixing limiting, 524-upper cover plate movable limiting, 525-rib plate position positioning pin, 526-rib plate clamping and damper seat positioning piece; 53-a third spring cylinder fixture, 531-an upper limit block, 532-a lower limit block and 533-a screw rod; 54-spring case fourth tool, 541-lower cover plate fixed limit, 542-lower cover plate movable limit, 543-material detection sensor and 544-limit column.
Detailed Description
The invention is further described below with reference to the accompanying drawings and examples.
The full-automatic welding device and process for the spring cylinder and the brake hanging seat are realized by matching a full-automatic welding robot with various high-precision welding tools. The method comprises the steps of re-carding the procedures of the product, designing product-specific assembly welding tools by an optimal process, and verifying teaching programs and welding processes of the robot on the tools through a large number of welding experiments.
Referring to fig. 3, the robot body 1 of the full-automatic welding device of the embodiment is integrated with a welding manipulator 17 and a positioner 12. The robot body 1 comprises a control cabinet 11, a positioner 12, a middle screen 13, a starting end detection system 14, a gun cleaning mechanism 15, a safety fence 16, a manipulator 17, a welding wire bracket 18, a welding gun cooling system 19, a base and the like; the manipulator 17 is arranged on the base and can rotate at a certain angle, the two sides of the base are provided with middle screens 13, the two sides of each middle screen 13 are respectively provided with a set of equipment welding tools of the positioner 12 and placed on the positioner 12, and the positioner 12 can turn over so as to weld products on the tools at various angles.
The robot body 1 has the functions of automatic correction, automatic gun cleaning, automatic clamping and material detection, positioner linkage, broken wire monitoring, welding counting and the like in a deviation range of 8mm in the pre-welding detection.
As shown in fig. 4 to 6, the brake hanger welding tool 4 includes a first brake hanger tool 41 (fig. 4) and a second brake hanger tool 42 (fig. 5 and 6), where the first brake hanger tool 41 is used to weld the sealing plate 34 and the brake pipe 32, and tack the brake hanger rib plate 33, the brake pipe 32, and the vertical plate 31.
As shown in fig. 4(b) and (d), the brake pipe 32 has brake pipe assembling stoppers 412 at both ends, and the outer sides of both ends of the brake pipe 32 are provided with sealing plate holders 411, so that the sealing plate 34 can be positioned more accurately, the sealing plate 34 can be fixed by the material of the electromagnetic member, and the sealing plate 34 is moved to the assembling position (the sealing plate material is moved to the position of 10mm inside the brake pipe 32) by the cylinder movement. After the tack-welding, the sealing plate holder 411 is moved away from the welding area by the air cylinder, and the sealing plate 34 and the brake pipe 32 are welded together.
As shown in fig. 4(c), (e), (f), (g), and (h), first, the tool is provided with a brake pipe stopper 415 and a pressing device 413 on the brake pipe 32, a first vertical plate stopper 414 and a second vertical plate stopper 416 are respectively provided at two ends of the vertical plate 31, the first vertical plate stopper 414 is close to the vertical plate 31 and the brake pipe 32, the second vertical plate stopper 416 is located at the vertical plate end mount, the second vertical plate stopper 416 includes a fixed vertical plate stopper 4161 and a movable vertical plate stopper 4162, one surface of the vertical plate end mount is fixed by the fixed vertical plate stopper 4161, and the other surface is pushed by the movable vertical plate stopper 4162 through the cylinder to tighten the vertical plate 31 (since the vertical plate 31 is a forged part, the profile dimension is poor, the position of the vertical plate 31 end mount can be effectively controlled by the method, and the welding deformation is reduced, which is more beneficial to. The rib plate 33 is provided with the rib plate clamping piece 417, as shown in fig. 4(e), (f) and (g), through clamping of the part, the rib plate 33 is not assembled by means of template marking, the assembling efficiency is improved, the assembling precision is higher, the stress condition of the rib plate 33 is closer to the theoretical design requirement, and the integral service life of the product is ensured.
As shown in fig. 5 and 6, the second tool 42 of the brake hanging seat is used for welding the vertical plate 31 and the brake pipe 32, and then completing fillet weld welding between the rib plate 33 and the brake pipe 32 and between the rib plate and the vertical plate 31. The tool is provided with a brake pipe pressing device 421 for one end of the brake pipe 32, the other end of the brake pipe pressing device is provided with a limiting component 422, and the limiting component 422 is used for limiting and fixing the two vertical plates 31.
As shown in fig. 7, the first fixture 51 for spring case is used to assemble and weld the base plate 21 and the upper cover plate 23, and to tack and weld the vertical plate assembly 24 and the upper cover plate 23 to form a butt-slope weld seam.
Specifically, the method comprises the following steps: as shown in fig. 7(b), the tooling is provided with an upper cover plate arc part limit 511 and an upper cover plate end part limit 514 for fixing the upper cover plate 23, a backing plate 21 is arranged in the upper cover plate 23, an air cylinder pressing device 512 is arranged above the tooling and can press the backing plate 21 from the upper part, a movable backing plate angle adjusting device 513 is further arranged above the tooling and can position four holes in the backing plate 21 so as to adjust the position, and the device can be automatically retracted after the backing plate 21 is pressed.
As shown in fig. 7(c), two vertical plates are placed on the tool, and then the vertical plates are respectively bent to form a cylinder, that is, the vertical plates form a 24, the tool is provided with a vertical plate pressing limit 516 and a vertical plate groove limit 517, and the vertical plate groove limit 517 is located at the junction of the two vertical plates to be pressed and fixed. An upper cover plate 23 is placed above the vertical plate assembly 24, and an upper cover plate limit 515 and a center positioning pin 518 for the upper cover plate 23 are arranged on the tool and are respectively positioned at the end part and the center of the upper cover plate 23. Like this through these four location spacing can constitute 24 and the relative position of upper cover plate 23 with the riser and confirm, fix a position quick accurate, the riser compresses tightly spacing 516 simultaneously and can constitute 24 to the riser and compress tightly the accent type, has reduced the process of transferring the type to the riser in advance when manual welding, reduces the process and has improved efficiency.
As shown in fig. 8, the second fixture 52 for spring case fixes the lower cover plate 22 and the vertical plate assembly 24 for spring case by point, and welds the seat plate 26 for damper and the rib plate 25 for damper.
Specifically, the method comprises the following steps: as shown in fig. 8(b), the tool is provided with a lower cover plate arc part limit 521 and a lower cover plate end part limit for the lower cover plate 22, then the vertical plate assembly 24 of the upper cover plate 23 fixed at the midpoint in fig. 7(c) is placed on the lower cover plate 22, a limit structure for the upper cover plate 23 is arranged above the tool, the limit structure comprises an upper cover plate fixed limit 523 and an upper cover plate movable limit, and the parallelism between the upper cover plate and the lower cover plate can be less than 0.5mm (the design requirement is less than 1mm) through the limit control.
As shown in fig. 8(c), the tooling is provided with rib plate position positioning pins 525 and rib plate clamping and damper seat positioning parts 526, the rib plate clamping and damper seat positioning parts 526 comprise limit positions, the limit positions are clamped with the arc positions of the damper seat plates 26, and other parts clamp the two damper rib plates 25 from the outer side to the inner side and position the damper seat plates 26; the rib plate position positioning pin 525 passes through the rib plate holes 27 of the two damper rib plates 25 for positioning and fixing. It is required that the two damper webs 25 are perpendicular to the damper seat plate 26 and the opening dimension between the two damper webs 25 is set to 125 ± 1mm as shown in fig. 8 (d).
The third fixture 53 for spring case will perform girth weld welding, back weld welding of vertical plate, and fillet weld welding of vertical plate assembly 24 and the inside of the upper cover plate 23, and the fixture horizontally places the spring case product, the lower cover plate 22 is on top, the two ends of the upper cover plate 23 are respectively fixed by the upper limit block 531 and the lower limit block 532, and a screw 533 passes through the center of the upper cover plate, the lower cover plate and the vertical plate assembly 24 for fastening. The tooling is then turned 90 degrees counterclockwise (as shown in fig. 9) by the movement of the cylinder, and the upper and lower cover plates are both perpendicular to the ground.
As shown in FIG. 10, the spring case fourth tooling 54 will perform a weld between each part of the shock absorber and the barrel riser assembly 24. Be equipped with down the fixed spacing 541 of apron, the portable spacing 542 of apron, material detection sensor 543 and spacing post 544 down on this frock, the fixed spacing 541 of apron, the portable spacing 542 of apron down are spacing to apron 22 down, and four spacing posts 544 are spacing to staving riser constitution 24, and material detection sensor 543 is used for checking whether the shock absorber neglected loading.
The spring cylinder and the brake hanging seat of the embodiment adopt the working steps of a full-automatic welding process:
the process flow of the brake hanging seat comprises the following steps: (1) welding the 41 closing plate 34 with the brake pipe 32 by using a first tool of the brake hanging seat, and performing point fixing on the rib plate 33, the brake pipe 32 and the vertical plate 31; (2) assembling the workpiece finished in the step (1) on a second tool 42 of the brake hanging seat, wherein the second tool firstly finishes welding the vertical plate 31 and the brake pipe 32 and finally finishes fillet weld welding between the rib plate 33 and the brake pipe 32 and between the rib plate 31; (3) repairing and polishing the welding line of the brake hanging seat, adjusting the shape, engraving a steel seal and checking the welding line;
① welding the brake hanging seat closing plate 34, tack-welding the rib plate 33, the brake pipe 32 and the vertical plate 31, namely, after the brake hanging seat material is assembled according to the corresponding position of the tool, an operator leaves an operation area, clamps a workpiece through an operation equipment key, operates the demonstrator to start a welding program after clamping the workpiece, and after the welding program is started, tack-welding the assembled component (tack-welding parameters: current: 230A, voltage: 24V, and dwell time: 1s) is finished, and after the tack-welding is finished, the robot main body 1 automatically welds the assembled component.
② circular weld joint between the vertical plate 31 of the brake hanger and the brake pipe 32, and fillet weld joint between the rib plate 33 and the brake pipe 32 and the vertical plate 31. after the materials completed in the first step are assembled to the tool in the second step (i.e. the second tool 42 of the brake hanger), the welding program is started, the position of the assembled parts is detected, the deviation between the welding position of the assembled parts and the teaching track is detected, the detected deviation is added to the teaching track through the automatic calculation of the manipulator 17, and the step of teaching programming is avoided after each clamping, after the detection, the robot main body 1 automatically welds the assembled parts, the circular weld joint between the vertical plate 31 and the brake pipe 32 is completed through the rotation of the positioner 12. the welding sequence is preferably as shown in figure 6, the welding operation is completed once (circular weld joint welding is performed through the mode of clockwise rotation of the tool and synchronous movement of the welding gun, the welding is completed according to the alphabetical sequence in figure 6, the welding time is 17 minutes, which is twice as that of manual welding operation), and after the circular weld joint between the vertical plate 31 and the brake pipe 32 is completed, the fillet weld joint between the rib plate 31 and the manipulator 32 is completed through the rotation of the manipulator 12, and the manipulator 33, and the welding is.
The spring cylinder process flow comprises the following steps of ① assembly welding of a spring cylinder base plate 21 and an upper cover plate 23, assembly point fixing of a spring cylinder vertical plate assembly 24 and the upper cover plate 23, butt welding of the vertical plate, ② welding of a shock absorber base plate 26 and a shock absorber rib plate 25, assembly point fixing of the vertical plate assembly 24 and a lower cover plate 22, annular welding of the ③ spring cylinder upper cover plate assembly 24, bottom sealing welding of the vertical plate assembly 24, assembly welding of all parts of the ④ shock absorber base and the spring cylinder vertical plate assembly 24, repairing and polishing of ⑤ spring cylinder welding lines, steel seal stamping and welding line inspection.
① assembly welding of the spring barrel base plate 21 and the upper cover plate 23, assembly spot welding of the spring barrel vertical plate assembly 24 and the upper cover plate 23, vertical plate butt weld welding, namely, after the materials are placed according to the corresponding positions of the tool, an operator leaves an operation area, clamps a workpiece through an operation device by pressing keys (manual operation is needed when the upper cover plate 23 and the base plate 21 are clamped), operates the demonstrator to start a welding program after the workpiece is clamped, and automatically welds the assembly after the welding program is started (spot welding parameters: current: 180A, voltage: 20-22V, and pause time: 1-2 s). after the spot welding is finished, the robot main body 1 automatically welds the assembly, firstly completes the fillet weld between the base plate 21 and the upper cover plate 23, completes the welding according to the clockwise sequence in fig. 7(b), and then completes the bevel face weld of the vertical plate butt weld, and the like.
② welding the damper seat plate 26 with the damper rib plate 25, assembling the vertical plate assembly 24 with the lower cover plate 22, namely, welding the components welded in the step ① (the first fixture 51 of the spring tube), and assembling and fixing the vertical plate assembly 24 with the lower cover plate 22 on the left side of the second fixture 52 of the spring tube by using a frame crane.
After the lower cover plate 22 is assembled, the damper seat plate 26 and the left and right damper rib plates 25 are placed at the right side of the spring case second tooling 52, and the damper seat plate 26 and the damper rib plates 25 are welded. The tooling positioning pin penetrates through the holes of the shock absorber seat plate and the arc position of the shock absorber seat plate 26 to be attached to the limit position, then the shock absorber rib plate 25 is placed on the tooling, the step needs to manually operate (pull the handle) the rib plate position positioning pin 525, the rib plate position positioning pin 525 penetrates through the two shock absorber rib plate holes 27 and is fixed, and the two holes of the shock absorber rib plate 25 are concentric and the relative position of the two holes and the shock absorber seat plate 26 is determined. An operator leaves an operation area, clamps a workpiece through an operation device key, operates a demonstrator to start a welding program after clamping the workpiece, and automatically performs tack welding and welding on an assembly part by the robot (tack welding parameters: current: 180-. The damper rib plate 25 can carry out the wrap angle operation, the wrap angle operation is carried out in two ways, namely, the wrap angle welding parameters are the same as the spot welding parameters. After the damper seat plate 26 and the damper rib plate 25 are welded, the opening sizes of the two damper rib plates 25 need to be adjusted, and the opening sizes are required to be 125 +/-1 mm.
③ welding the upper and lower cover plates of the spring cylinder with the vertical plate assembly 24, welding the vertical plate assembly 24 by sealing the bottom, hanging the assembly of the upper and lower cover plates and vertical plate assembly 24 assembled in the ② process on the third tool 53 of the spring cylinder through a frame, closely attaching the upper cover plate 23 with the tool limit (i.e. the upper limit block 531 and the lower limit block 532), fastening the assembly by concentrically penetrating the upper and lower cover plates with the vertical plate assembly 24 through a screw rod 533, keeping the assembly position horizontal, after the assembly is finished, an operator leaves the operation area, starting the welding program by operating a demonstrator, after the welding program is started, firstly turning the assembly 90 degrees by the cylinder movement, then detecting the position of the assembled component (detecting the initial end of the assembly before the welding starts, the detection point is shown in figure 9, the deviation of the position of each material in the assembly and the theoretical position size of the assembly can be determined by detecting, the deviation of the equipment will automatically correct the deviation within 8mm, without reprogramming the automatic deviation of the teaching of the assembly position of the assembly component and the welding line, the welding line of the cover plate and the vertical plate assembly can be automatically calculated by the robot, the deviation of the cover plate and the detection point after the robot is changed from the welding line, the detection point of the robot is automatically calculated by the robot, the detection point of the robot is changed, the robot, the detection point is changed, the detection step 22, the detection of the automatic teaching of the welding line is carried out, the automatic teaching of the robot, the detection of the robot is carried out, the.
After the end of the inner seam welding of the circumferential weld bevel face, the positioner 12 rotates the circular weld bevel face back to the original point of the step and then rotates the circular weld bevel face clockwise by 90 degrees and 270 degrees to complete the back welding of 24 butt welds formed by the vertical plates. The welding direction is inward from the lower cover plate 22.
After the welding of the vertical plate back sealing is finished, the positioner 12 rotates to the original point in the step and then adjusts the workpiece to be in a horizontal state through the movement of the air cylinder, and the fillet weld of the weld between the vertical plate and the upper cover plate 23 is welded. The fillet welding is performed by moving a welding gun counterclockwise.
And (3) after the components are cooled, the upper cover plate and the lower cover plate of the spring barrel are adjusted, a hydraulic ram is used for adjusting the shape, the flatness of the upper cover plate 23 after the shape adjustment is less than or equal to 1mm (the welding area is not measured), the inward opening size of the upper cover plate and the lower cover plate is 152.5(0, +1.5mm), the flatness of the lower cover plate 22 is less than or equal to 1mm, and the difference between the highest points of the upper cover plate 23 and the lower cover plate 22 is 383 +/-1 mm.
④ shock absorber seat and spring cylinder assembling and welding, placing the shock absorber seat plate 26 and cylinder parts after shaping on the corresponding position of the spring cylinder fourth tool 54, placing the cylinder parts in the tool limit (limit column 544), then assembling the shock absorber seat (if the shock absorber seat has interference, needing to use an angle grinder to match with a louver blade for polishing) to the cylinder, after assembling, the shock absorber seat and cylinder gap is 0-1mm, and the shock absorber seat and the tool are jointed, the operator leaves the operation area, clamps the workpiece through operating the equipment keys, operates the demonstrator to start the welding procedure after clamping the workpiece, the robot will automatically detect, point and weld the assembled parts, detect the deviation between the welding position of the assembled parts and the teaching track, add the detected deviation to the teaching track through the automatic calculation of the manipulator, avoid the step of teaching programming after each clamping, point welding parameters are 180A, voltage is 20-22V, and pause time is 1-2 s.
Specifically, the assembly welding sequence of the damper seat and the spring cylinder body is as follows: (1) the positioner 12 turns 180 degrees to complete the fillet weld between the absorber seat plate 26 and the cylinder; (2) turning the positioner 12 to the horizontal state during assembly, and welding a welding seam between the shock absorber seat plate 26 and the bevel face of the cylinder (leaving the welding seam of the cover face to be not welded); (3) the positioner 12 turns 90 degrees anticlockwise, and welds the inner side fillet weld of the right damper rib plate 25 and the lower cover plate 22; (4) welding a left damper rib plate 25 and a cylinder bevel face welding seam (the first three ways of bottoming, filling and first cover face); (5) welding a fillet weld between the rib plate 25 of the left shock absorber and the outer side of the lower cover plate 22, and welding a second cover surface weld between the rib plate 25 of the left shock absorber and the groove face weld of the cylinder body; (6) the positioner 12 rotates clockwise 180 degrees, and welds the welding seam (the first three ways: bottoming, filling and first cover surface) between the right damper rib plate 25 and the cylinder bevel face, and the welding seam between the right damper rib plate 25 and the outer corner welding seam of the lower cover plate 22, and between the right damper rib plate 25 and the second cover surface welding seam of the cylinder bevel face; (7) welding a fillet weld between the rib plate 25 of the left shock absorber and the inner side of the lower cover plate 22 and welding the rib plate 25 of the left shock absorber and the cylinder back cover; (8) the positioner 12 is turned over for 180 degrees anticlockwise and welded; (9) welding fillet welds of the rib plates 25 of the left and right shock absorbers, wherein the fillet welds are divided into an upper layer and a lower layer, and the lower layer comprises the following parameters: current 240A, voltage 24V, speed 40 cm/min. The upper layer corner welding parameters are as follows: the current is 240A, the voltage is 24V, and the speed is 60 cm/min; (10) the positioner 12 rotates clockwise by 90 degrees to complete the two cover surface welding seams of the absorber seat plate 26 and the cylinder.
The above description is only a preferred embodiment of the present invention, and should not be construed as limiting the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. The full-automatic welding device for the spring cylinder and the brake hanging seat is characterized by comprising a full-automatic welding robot, and a spring cylinder tool and a brake hanging seat tool which are matched with the full-automatic welding robot, wherein the robot integrates a welding manipulator and a positioner, and each tool is arranged on the positioner to be turned over so as to be convenient for welding at each angle; the brake hanging seat tool comprises a hanging seat first tool and a hanging seat second tool, wherein the hanging seat first tool is used for welding the sealing plate with the brake pipe and fixing the rib plate, the brake pipe and the vertical plate in a point mode, and the hanging seat second tool is used for firstly completing welding of the vertical plate with the brake pipe and then completing fillet weld welding of the rib plate with the brake pipe and the vertical plate;
the spring cylinder tool comprises four sets of tools, the first spring cylinder tool is used for assembling and welding a base plate and an upper cover plate, forming a vertical plate and the upper cover plate in a point-fixing mode and welding a welding seam of a butt-joint slope opening surface of the vertical plate, the second spring cylinder tool is used for assembling and welding a lower cover plate and the vertical plate in a point-fixing mode and welding a shock absorber seat plate and a shock absorber rib plate; the third fixture of the spring cylinder performs circular seam welding and vertical plate back sealing welding on the spring cylinder; and welding seams between the parts of the shock absorber and the vertical plate by the fourth tool of the spring cylinder.
2. The fully automatic welding device for the spring drum and the brake hanger as claimed in claim 1, wherein the first fixture of the hanger comprises a plurality of welding areas, area one: brake pipe assembly limiting is arranged at two ends of a brake pipe of the brake hanging seat, sealing plate clamping pieces are arranged on the outer sides of two ends of the brake pipe, the sealing plate clamping pieces can fix the sealing plate through the material of an electromagnetic piece of the sealing plate clamping pieces, and the sealing plate is conveyed into the brake pipe through the movement of an air cylinder to be fixed in point and then is withdrawn; and area two: the brake pipe limiting and pressing device is arranged on the brake pipe respectively, a vertical plate first limiting and a vertical plate second limiting are arranged at two ends of a vertical plate of the brake hanging seat respectively, the vertical plate first limiting is close to the vertical plate and the brake pipe, the vertical plate second limiting is located at an end mounting seat of the vertical plate, the vertical plate second limiting comprises a vertical plate fixing limiting and a vertical plate moving limiting, one surface of the end mounting seat of the vertical plate is abutted and fixed by the vertical plate fixing limiting, and the other surface of the end mounting seat of the vertical plate is tightly pushed to the vertical plate through an air cylinder by the; and a rib plate clamping piece is additionally arranged at the rib plate of the brake hanging seat.
In the second tool of the hanging seat, one end of the brake pipe is provided with a brake pipe pressing device, the other end of the brake pipe is provided with a limiting structure, namely a limiting assembly, and the limiting assembly is used for limiting and fixing the two vertical plates.
3. The fully automatic welding device for the spring cylinder and the brake hanger as claimed in claim 1 or 2, wherein the first tool for the spring cylinder comprises a plurality of areas, area one: the tool is respectively provided with a limit for the arc part and the end part of the upper cover plate to fix the upper cover plate, a cylinder pressing device is arranged above the tool and can press the base plate from the upper part, a movable base plate angle adjusting device is also arranged above the tool, the device corrects holes in the base plate so as to position and adjust the relative position of the base plate and the upper cover plate, and the device can be automatically retracted after the base plate is pressed;
and area two: the tool is provided with a vertical plate pressing limit and a vertical plate groove limit, the vertical plate groove limit is positioned at the junction of two vertical plates formed by the vertical plates and is pressed and fixed, and the vertical plate pressing limit is positioned in the middle of the whole vertical plate; an upper cover plate limiting and a central positioning pin are arranged above the tool and are respectively positioned at the end part and the center of the upper cover plate.
4. The spring-drum, brake hanger full automatic welding device of claim 3, wherein said spring-drum second tooling includes a plurality of zones, zone one: the upper part of the tool is respectively provided with a limit for two end parts of the lower cover plate, the upper part of the tool is respectively provided with a fixed limit and a movable limit for the end part of the upper cover plate, and the parallelism between the upper cover plate and the lower cover plate is less than 1mm through the 4 limits; and area two: the tooling is provided with a rib plate position positioning pin, a rib plate clamping and damper seat positioning piece, the rib plate clamping and damper seat positioning piece comprises a limiting part and other positioning parts, the limiting part is clamped with the arc position of the damper seat plate, and the other positioning parts clamp the two damper rib plates from the outer side to the inner side and position the damper seat plate; the rib plate position positioning pin penetrates through rib plate holes of the two damper rib plates to perform positioning and fixing.
5. The full-automatic welding device for the spring cylinder and the brake hanging seat as claimed in claim 4, wherein the third tool for the spring cylinder comprises a limiting block and a screw rod, wherein the limiting block and the screw rod are respectively used for fixing two ends of the upper cover plate, and the screw rod penetrates through the center formed by the upper cover plate, the lower cover plate and the vertical plate to fix the spring cylinder on the tool;
the spring tube fourth tool is provided with a lower cover plate fixing limit, a lower cover plate movable limit, a material detection sensor and limit columns, the lower cover plate fixing limit and the lower cover plate movable limit the lower cover plate, the four limit columns limit the vertical plate composition, and the material detection sensor is used for checking whether the shock absorber is neglected for assembly.
6. Spring cylinder, braking hang full-automatic welding process of seat, its characterized in that adopts full-automatic welding robot to cooperate with various spring cylinder frocks and braking and hang a seat frock respectively and carry out full-automatic welding:
the process flow of the brake hanging seat comprises the following steps: (1) welding the sealing plate and the brake pipe by using a first tool of the hanging seat, and tack-fixing the rib plate, the brake pipe and the vertical plate; (2) assembling the workpiece finished in the step (1) on a second tool of the hanging seat, wherein the second tool firstly finishes welding the vertical plate and the brake pipe and then finishes welding the rib plate with the brake pipe and the fillet weld between the rib plate and the vertical plate; (3) repairing and polishing the welding line of the brake hanging seat, adjusting the shape, engraving a steel seal and checking the welding line;
the spring case process flow comprises the following steps: (1) assembling and welding a base plate and an upper cover plate, assembling and fixing a vertical plate and the upper cover plate, and welding a welding seam of a butt-joint bevel face of the vertical plate; (2) forming a point fixing structure by the lower cover plate and the vertical plate, and welding the absorber seat plate and the absorber rib plate; (3) welding a circular weld seam of the spring cylinder and welding a back cover of the vertical plate; (4) welding seams are formed between parts of the shock absorber and the vertical plate; (5) and repairing and polishing the welding seam of the spring barrel.
7. The full-automatic welding process for the spring cylinder and the brake hanging seat as claimed in claim 6, wherein the step (2) of the spring cylinder process flow is as follows: hoisting the welded part in the step (1) on one side of the second fixture of the spring cylinder to complete the assembly and spot fixing of the vertical plate and the lower cover plate; after the lower cover plate is assembled, the shock absorber seat plate and the left and right shock absorber rib plates are placed on the other side of the spring case second tool to complete the welding of the shock absorber seat plate and the shock absorber rib plates: and a bottom positioning pin on the spring drum second tool penetrates through a hole of the shock absorber seat plate to be fixed, the arc position of the shock absorber seat plate is attached to the limit position, then the shock absorber rib plate is placed on the spring drum second tool, and the rib plate position positioning pin is manually operated to penetrate through holes of the two shock absorber rib plates and to be fixed, so that the two holes of the shock absorber rib plate are concentric and the relative position of the two holes and the shock absorber seat plate is determined.
8. The fully automatic welding process for the spring drum and the brake hanging seat as claimed in claim 6 or 7, wherein the step (3) of the spring drum process flow is as follows: hoisting a combination body consisting of the upper cover plate, the lower cover plate and the vertical plate of the spring cylinder assembled in the step (2) on a third tool of the spring cylinder, limiting the upper cover plate and the tool to be tightly attached, concentrically penetrating the upper cover plate, the lower cover plate and the vertical plate by using a screw rod to form a fastening part, and keeping the assembling position horizontal; after the assembly is finished, an operator leaves an operation area, the robot starts a welding program, and after the welding program is started, the assembly kept horizontal is turned over by 90 degrees through the movement of the air cylinder, and the position of the assembly is detected and corrected; and after the detection is finished, the robot starts to automatically weld the assembly parts, the welding of the circumferential weld between the vertical plate assembly and the upper cover plate and between the vertical plate assembly and the lower cover plate is finished through the rotation of the positioner, and the sequence of bottoming, filling and capping of the circumferential weld is carried out in the sequence of firstly covering the lower cover plate and then covering the upper cover plate.
9. The full-automatic welding process of the spring cylinder and the braking hanging seat as claimed in claim 8, wherein after the circumferential weld welding is finished, the positioner rotates back to the original point of the step and then rotates clockwise by 90 degrees and 270 degrees to finish the back-sealing welding of the butt weld formed by the vertical plates, and the welding direction is from the lower cover plate to the inside;
after the welding of the vertical plate back sealing is finished, the positioner rotates to the original point in the step and then adjusts the workpiece to be in a horizontal state through the movement of the air cylinder, the fillet weld of the weld between the vertical plate assembly and the upper cover plate is welded, and the fillet weld is welded by using the welding gun of the robot to perform anticlockwise movement for welding operation.
10. The full-automatic welding process for the spring cylinder and the brake hanging seat as claimed in claim 9, wherein the step (4) of the spring cylinder process flow is as follows: the shock absorber bedplate, the shock absorber gusset and the barrel body part of the spring barrel which have the adjusted shape, namely the assembly comprising the vertical plate, the upper cover plate and the lower cover plate, are placed at the corresponding positions of the fourth tool of the spring barrel: the barrel body part is firstly placed in a space surrounded by a plurality of limiting columns, then the shock absorber seat plate and the shock absorber rib plate are assembled on the barrel body part, the gap between the shock absorber seat plate and the barrel body part is 0-1mm after the assembly, and the shock absorber seat plate is attached to the tool; the operator leaves the operation area, clamps the workpiece through the operation equipment key, and the robot automatically detects, fixes and welds the assembled part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911306477.1A CN110919138A (en) | 2019-12-18 | 2019-12-18 | Full-automatic welding device and process for spring cylinder and brake hanging seat |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911306477.1A CN110919138A (en) | 2019-12-18 | 2019-12-18 | Full-automatic welding device and process for spring cylinder and brake hanging seat |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111889947A (en) * | 2020-07-31 | 2020-11-06 | 中车大连电力牵引研发中心有限公司 | Lean production layout of unit type box girder welding device and welding procedure thereof |
| CN113385888A (en) * | 2021-05-31 | 2021-09-14 | 苏州美达王钢铁制品有限公司 | Machining process for lower frame revolution surface all-in-one machine of medium excavator |
| CN113681115A (en) * | 2021-09-28 | 2021-11-23 | 中车长春轨道客车股份有限公司 | Process for assembling and welding brake pad supporting and hanging seat and framework of bogie of motor train unit with circumferential weld seam |
-
2019
- 2019-12-18 CN CN201911306477.1A patent/CN110919138A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111889947A (en) * | 2020-07-31 | 2020-11-06 | 中车大连电力牵引研发中心有限公司 | Lean production layout of unit type box girder welding device and welding procedure thereof |
| CN113385888A (en) * | 2021-05-31 | 2021-09-14 | 苏州美达王钢铁制品有限公司 | Machining process for lower frame revolution surface all-in-one machine of medium excavator |
| CN113385888B (en) * | 2021-05-31 | 2024-01-19 | 苏州美达王钢铁制品有限公司 | Machining process of lower frame and rotating surface integrated machine of medium-sized excavator |
| CN113681115A (en) * | 2021-09-28 | 2021-11-23 | 中车长春轨道客车股份有限公司 | Process for assembling and welding brake pad supporting and hanging seat and framework of bogie of motor train unit with circumferential weld seam |
| CN113681115B (en) * | 2021-09-28 | 2022-08-02 | 中车长春轨道客车股份有限公司 | Process for assembling and welding brake pad supporting and hanging seat and framework of bogie of motor train unit with circumferential weld seam |
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