CN109048166B - Control method of multi-cavity steel component assembly positioning mechanism - Google Patents
Control method of multi-cavity steel component assembly positioning mechanism Download PDFInfo
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- CN109048166B CN109048166B CN201811042400.3A CN201811042400A CN109048166B CN 109048166 B CN109048166 B CN 109048166B CN 201811042400 A CN201811042400 A CN 201811042400A CN 109048166 B CN109048166 B CN 109048166B
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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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to a control method of a multi-cavity steel component assembling and positioning mechanism, belonging to the technical field of multi-cavity steel component assembling equipment. The device has the advantages of compact structure, accurate positioning and integration of assembling and welding. The machining precision of the multi-cavity steel member is improved, and the machining period is shortened.
Description
Technical Field
The invention relates to the technical field of multi-cavity steel member assembling equipment, in particular to a control method of a multi-cavity steel member assembling and positioning mechanism.
Background
The multi-cavity steel member is composed of a top plate, a bottom plate, a steel bar truss and square pipes on two sides, wherein the square pipes and the steel bar truss are respectively welded with the bottom plate and the top plate. The problems of low accuracy and large error exist in manual measurement and fixation by a manual clamp, and the quality stability of the multi-cavity steel member in the assembling and welding processes is poor. When mass production is required, the manual processing method cannot improve the sales volume of the product. The multi-cavity steel member assembly is realized by adopting the multi-cavity steel member special assembly machine to realize the improvement of yield, how to reach the accuracy size that the verticality requirement of the steel bar truss and the top and bottom plates is 1.0mm, the clearance requirement of the square tubes at two sides and the top and bottom sides is 2.0mm, and the misalignment requirement of the surfaces of the square tubes and the top and bottom plates is 1.0mm, and the multi-cavity steel member special assembly machine needs to be further improved and perfected.
Disclosure of Invention
The invention mainly solves the defect of large positioning deviation in the prior art, provides the control method of the assembling and positioning mechanism of the multi-cavity steel member, has the advantages of compact structure, accurate positioning and integration of assembling and welding, improves the processing and welding precision of the multi-cavity steel member, and shortens the processing period. The problem of how to satisfy the straightness requirement that hangs down of steel bar truss and top, bottom plate be 1.0mm, the clearance requirement of both sides side pipe and top, bottom side limit is 2.0mm, the requirement of square pipe surface and top, the requirement of bottom plate surface misalignment is 1.0 mm's dimensional accuracy requirement is solved.
The technical problem of the invention is mainly solved by the following technical scheme:
a control method of a multi-cavity steel component assembling and positioning mechanism comprises the following operation steps:
the first step is as follows: the bottom plate is hung on the working platform through a traveling crane, the square pipes on two sides are placed on the working platform and are attached to the side edge of the bottom plate, and then the square pipe of the square pipe positioning and pressing piece on the square pipe positioning assembly is adopted to perform pressing and positioning.
The second step is that: hoisting the steel bar truss to the positioned bottom plate, carrying out preliminary positioning assistance on the steel bar truss through the steel bar truss assembling and positioning assembly, and adopting a driving motor to drive an end primary positioning piece to carry out transverse movement on the end primary positioning piece guide rail along the rack guide rail to assist in positioning the steel bar truss.
The third step: the fixed-position welding subassembly adopts the displacement cylinder to drive the hasp cramp and compresses tightly square pipe and steel bar truss to right steel bar truss, then accomplish the fixed-position electric welding to square pipe, steel bar truss by machine welding arm, after electric welding a section length, the displacement cylinder lifts, the hasp cramp loosens, after the fixed-position welding subassembly moved a section length forward, compress tightly square pipe and steel bar truss once more, after carrying out the fixed-point electric welding.
The fourth step: after welding between the square pipe and the bottom plate and between the steel bar truss and the bottom plate is completed, the top plate is hoisted and transported to a workpiece, the last technical process is completed through the top plate plug welding positioning assembly, the pressing cylinder is adopted to drive the pressing roller to be pressed down to the surface of the top plate, so that the top plate is tightly attached to the steel bar truss, the side surface of the square pipe is tightly pressed by the square pipe jacking piece, and the machine welding arm is used for completing the positioning welding of the top plate and the workpiece.
The control method of the multi-cavity steel component assembly positioning mechanism is adopted to realize the improvement of yield and quality.
Preferably, the square pipe positioning assembly comprises a square pipe positioning and pressing frame, and square pipe positioning and pressing pieces in phase-shift sleeving with the square pipe positioning and pressing frame are arranged at two ends of the square pipe positioning and pressing frame.
Square pipe location equipment subassembly compresses tightly the frame and square pipe location compresses tightly the piece through square pipe location and rectifies the location and compress tightly square pipe, prevents to rectify the back and receive the interference factor influence for the clearance requirement of both sides side pipe and bottom side is less than 2.0mm, and the requirement of square pipe surface and bottom plate surface unfitness of butt joint is less than 1.0 mm's dimensional accuracy requirement.
As preferred, steel bar truss assemble location subassembly include tip first setting element, tip first setting element front end be equipped with the electro-magnet, tip first setting element lower extreme be equipped with the tip first setting element mutually the slidingtype tip that cup joints of setting element, the tip first rear end of setting element be equipped with driving motor, driving motor below be equipped with the tip first setting element guide rail parallel in looks interval rack guide, rack guide and the movable meshing of driving motor.
The driving motor is operated to drive the gear to be meshed with the rack guide rail to generate power for transverse displacement. Thereby drive tip primary positioning piece in step and carry out displacement formula adjustment steel bar truss and the straightness that hangs down of bottom plate at tip primary positioning piece guide rail to fix the steel bar truss of proofreading and straightness that hangs down through the electro-magnet. The steel bar truss assembling and positioning component improves the stability of the assembling and positioning performance of the steel bar truss, and ensures that the verticality of the steel bar truss and the bottom plate meets the requirement of 1.0 mm.
Preferably, the positioning and welding assembly comprises a displacement cylinder, a movable contact lock catch pressing piece is arranged at the lower end of the displacement cylinder, and the working pressure of the displacement cylinder is set to be 0.12-0.15 Mpa.
The parallelism between the steel bar trusses is finely adjusted by the positioning welding assembly through the vertical displacement adjustment lock catch pressing piece of the displacement cylinder, the piston speed of the displacement cylinder cannot be too fast or too slow, and the speed control of the displacement cylinder is determined by the pressure in the cylinder. The working pressure of the displacement cylinder is set within the range of 0.12-0.15 Mpa, so that the parallelism between the steel bar trusses is improved at the most suitable adjusting speed. And the service cycle of the positioning welding assembly can be maximized, and the abrasion of the movable contact between the displacement cylinder and the lock catch pressing piece is reduced.
As preferred, when welding square pipe, steel bar truss location, the tack welding subassembly carries out synchronous displacement with machine welding arm, and displacement speed is 0.15 ~ 0.2 meters/minute.
When the opposite side pipe and the steel bar truss are subjected to positioning electric welding, the displacement speed range of the positioning welding assembly and the machine welding arm is set to be 0.15-0.2 m/min. In order to ensure that the influence of vibration on the position deviation of a workpiece in the displacement process is minimized, and the proper welding speed can ensure the stability of welding quality.
Preferably, the top plate plug welding positioning assembly comprises a pressing roller, bearing seats movably sleeved with the pressing roller are arranged at two ends of the pressing roller, a pressing cylinder is arranged on each bearing seat, and the working pressure of the pressing cylinder is 0.3-0.4 Mpa.
The working pressure of the pressing cylinder is 0.3-0.4 Mpa, so that the splicing stress and the electric arc tension of the multi-cavity steel member in the welding process are reduced. When the pressure is too small, the double-layer influence of the splicing stress and the arc pulling force causes the workpiece to deform. When pressure is too big, the square pipe stress surface can warp sunkenly, influences whole outward appearance and product quality.
Preferably, when the top plate is subjected to tack welding, the pressing roller, the pressing cylinder, the square tube jacking piece and the machine welding arm synchronously displace at the displacement speed of 0.18-0.22 m/min.
The edge is not warped in the welding process, and insufficient soldering and missing soldering are prevented. The welding quality and the structural strength of the multi-cavity steel member are improved.
The invention can achieve the following effects:
compared with the prior art, the control method of the assembling and positioning mechanism of the multi-cavity steel member has the advantages of compact structure, accurate positioning and integration of assembling and welding, improves the machining precision of the multi-cavity steel member and shortens the machining period. The problem of how to satisfy the straightness requirement that hangs down of steel bar truss and top, bottom plate be 1.0mm, the clearance requirement of both sides side pipe and top, bottom side limit is 2.0mm, the requirement of square pipe surface and top, the requirement of bottom plate surface misalignment is 1.0 mm's dimensional accuracy requirement is solved. The phenomena of insufficient solder joint and solder joint leakage are prevented, and the welding quality and the structural strength of the multi-cavity steel member are improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the square pipe positioning assembly of the present invention.
Fig. 3 is a schematic structural view of the reinforcing bar truss assembling and positioning assembly of the present invention.
FIG. 4 is a schematic view of a tack welded assembly of the present invention.
FIG. 5 is a schematic structural view of the top plate plug weld locating assembly of the present invention.
In the figure: reinforcing bar truss equipment locating component 1, roof plug weld locating component 2, fixed position welding subassembly 3, square pipe fixed position equipment subassembly 4, machine welding arm 5, square pipe 6, square pipe fixed position compresses tightly 7, square pipe fixed position compresses tightly frame 8, bottom plate 9, driving motor 10, tip primary location spare 11, electro-magnet 12, reinforcing bar truss 13, tip primary location spare guide rail 14, rack guide rail 15, displacement cylinder 16, hasp compresses tightly 17, square pipe top tight 18, compress tightly cylinder 19, compression roller 20, roof 21, bearing frame 22.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example (b): as shown in fig. 1-5, a control method of a multi-cavity steel component assembling and positioning mechanism comprises the following operation steps:
the first step is as follows: the bottom plate 9 is hung on the working platform through a crane, meanwhile, the square pipes 6 on the two sides are placed on the working platform and are tightly attached to the side edges of the bottom plate 9, and then the square pipes of the pipe positioning and pressing piece 7 above the square pipe positioning assembly 4 are adopted to be pressed and positioned.
The second step is that: hoisting the steel bar truss 13 to the positioned bottom plate 9, carrying out preliminary positioning assistance on the steel bar truss 13 through the steel bar truss assembling and positioning assembly 1, and adopting the driving motor 10 to drive the end part preliminary positioning piece 11 to carry out transverse movement on the end part preliminary positioning piece guide rail 14 to assist in positioning the steel bar truss by the steel bar truss assembling and positioning assembly 1 along the rack guide rail 15.
The third step: the fixed-position welding subassembly 3 adopts the 16 drive hasp of displacement cylinder to compress tightly 17 other side's pipe 6 and steel bar truss 13 to right steel bar truss 13, then accomplish square pipe 6, steel bar truss 13's fixed-position electric welding by machine welding arm 5, after electric welding a section length, displacement cylinder 16 lifts, hasp compresses tightly 17 and loosens, after fixed-position welding subassembly 3 moved a section length forward, compress tightly square pipe 6 and steel bar truss 13 once more, carry out fixed-point electric welding afterwards.
The fourth step: after welding between the square pipe 6 and the bottom plate 9 and between the steel bar truss 13 and the bottom plate 9 is completed, the top plate 21 is lifted to a workpiece, the last technical process is completed by the top plate plug welding positioning assembly 2, the pressing cylinder 19 is adopted to drive the pressing roller 20 to press down to the surface of the top plate 21, so that the top plate 21 is tightly attached to the steel bar truss 13, the side surface of the square pipe 6 is tightly pressed by the square pipe jacking piece 18, and the positioning welding of the top plate 21 and the workpiece is completed through the machine welding arm 5.
As shown in fig. 2, the square pipe positioning assembly 4 comprises a square pipe positioning and pressing frame 8, and square pipe positioning and pressing pieces 7 sleeved with the square pipe positioning and pressing frame 8 in a phase-shift manner are arranged at two ends of the square pipe positioning and pressing frame 8.
As shown in fig. 3, the steel bar truss assembling and positioning assembly 1 includes an end initial positioning member 11, an electromagnet 12 is disposed at the front end of the end initial positioning member 11, an end initial positioning member guide rail 14 slidably sleeved with the end initial positioning member 11 is disposed at the lower end of the end initial positioning member 11, a driving motor 10 is disposed at the rear end of the end initial positioning member 11, a rack guide rail 15 parallel to the end initial positioning member guide rail 14 at intervals is disposed below the driving motor 10, and the rack guide rail 15 is movably engaged with the driving motor 10.
As shown in fig. 4, the tack welding assembly 3 includes a displacement cylinder 16, a movable contact lock catch pressing member 17 is provided at a lower end of the displacement cylinder 16, and an operating pressure of the displacement cylinder 16 is set to 0.13 Mpa. When the square pipe 6 and the steel bar truss 13 are subjected to positioning electric welding, the positioning welding assembly 3 and the machine welding arm 5 synchronously move at the displacement speed of 0.17 m/min.
As shown in fig. 5, the top plate plug welding positioning assembly 2 includes a pressing roller 20, bearing seats 22 movably sleeved with the pressing roller 20 are disposed at two ends of the pressing roller 20, a pressing cylinder 19 is disposed on the bearing seats 22, and the working pressure of the pressing cylinder 19 is 0.35 Mpa. And during the positioning welding of the top plate 21, the compression roller 20, the compression cylinder 19, the square tube jacking piece 18 and the machine welding arm 5 synchronously move at the displacement speed of 0.21 m/min.
In conclusion, the control method of the assembling and positioning mechanism for the multi-cavity steel member has the advantages of compact structure, accurate positioning and integration of assembling and welding, improves the machining precision of the multi-cavity steel member and shortens the machining period. The multi-cavity steel component assembling and positioning mechanism and the control method thereof solve the problem that how to meet the dimensional accuracy requirement that the perpendicularity requirement of a steel bar truss and a top plate and a bottom plate is 1.0mm, the gap requirement of square tubes on two sides and the top side and the bottom side is 2.0mm, and the misalignment requirement of the surfaces of the square tubes and the surfaces of the top plate and the bottom plate is 1.0 mm. The phenomena of insufficient solder joint and solder joint leakage are prevented, and the welding quality and the structural strength of the multi-cavity steel member are improved.
The above description is only an embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any changes or modifications within the scope of the present invention by those skilled in the art are covered by the present invention.
Claims (7)
1. A control method of a multi-cavity steel component assembling and positioning mechanism is characterized by comprising the following operation steps:
the first step is as follows: the bottom plate (9) is lifted to a working platform through a crane, meanwhile, the square pipes (6) on the two sides are placed on the working platform and are tightly attached to the side edge of the bottom plate (9), and then the square pipes of the pipe positioning and pressing piece (7) above the square pipe positioning assembly component (4) are adopted for pressing and positioning;
the second step is that: hoisting a steel bar truss (13) on a positioned bottom plate (9), and performing primary positioning assistance on the steel bar truss (13) through a steel bar truss assembling and positioning assembly (1), wherein the steel bar truss assembling and positioning assembly (1) adopts a driving motor (10) to drive an end primary positioning piece (11) to perform transverse movement on an end primary positioning piece guide rail (14) along a rack guide rail (15) to assist in positioning the steel bar truss;
the third step: the positioning welding assembly (3) adopts a displacement cylinder (16) to drive a lock catch pressing piece (17) to press a square pipe (6) and a steel bar truss (13), and the steel bar truss (13) is righted, then positioning electric welding of the square pipe (6) and the steel bar truss (13) is completed by a machine welding arm (5), after a section of length is electrically welded, the displacement cylinder (16) is lifted, the lock catch pressing piece (17) is loosened, after the positioning welding assembly (3) moves forwards for a section of length, the square pipe (6) and the steel bar truss (13) are pressed again, and then fixed-point electric welding is carried out;
the fourth step: after welding between completion square pipe (6) and bottom plate (9), steel bar truss (13) and bottom plate (9), with roof (21) handling to the work piece on, accomplish final technical process by roof plug welding locating component (2), adopt to compress tightly cylinder (19) drive pinch-off rolls (20) and push down to roof (21) surface for roof (21) and steel bar truss (13) are hugged closely, square pipe (6) side adopts square pipe jacking piece (18) to push up tightly this moment, accomplish the fixed-position welding of roof (21) and work piece through machine welding arm (5).
2. The control method of the multi-cavity steel member assembling and positioning mechanism according to claim 1, characterized in that: square pipe location equipment subassembly (4) including side pipe location compress tightly frame (8), side pipe location compress tightly frame (8) both ends be equipped with side pipe location compress tightly frame (8) phase displacement cup joint square pipe location compressing tightly piece (7).
3. The control method of the multi-cavity steel member assembling and positioning mechanism according to claim 1, characterized in that: reinforcing bar truss assembly locating component (1) including tip first setting element (11), tip first setting element (11) front end be equipped with electro-magnet (12), tip first setting element (11) lower extreme be equipped with tip first setting element (11) the tip that the slidingtype of looks muffjoint just setting element (14), tip first rear end of setting element (11) be equipped with driving motor (10), driving motor (10) below be equipped with the tip first setting element guide rail (14) looks interval parallel rack guide (15), rack guide (15) and driving motor (10) movable meshing.
4. The control method of the multi-cavity steel member assembling and positioning mechanism according to claim 1, characterized in that: the positioning welding assembly (3) comprises a displacement cylinder (16), a movable contact lock catch pressing piece (17) is arranged at the lower end of the displacement cylinder (16), and the working pressure of the displacement cylinder (16) is set at 0.12-0.15 Mpa.
5. The control method of the multi-cavity steel member assembling and positioning mechanism according to claim 4, characterized in that: when the square pipe (6) and the steel bar truss (13) are subjected to positioning electric welding, the positioning welding assembly (3) and the machine welding arm (5) synchronously move at the speed of 0.15-0.2 m/min.
6. The control method of the multi-cavity steel member assembling and positioning mechanism according to claim 1, characterized in that: roof plug welding locating component (2) including compression roller (20), compression roller (20) both ends be equipped with bearing frame (22) that cup joints with compression roller (20) movable mutually, bearing frame (22) on be equipped with and compress tightly cylinder (19), the operating pressure who compresses tightly cylinder (19) is 0.3 ~ 0.4 Mpa.
7. The control method of the multi-cavity steel member assembling and positioning mechanism according to claim 6, characterized in that: when the top plate (21) is subjected to positioning welding, the pressing roller (20), the pressing cylinder (19), the square tube pressing piece (18) and the machine welding arm (5) synchronously move, and the displacement speed is 0.18-0.22 m/min.
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| CN201811042400.3A CN109048166B (en) | 2018-09-07 | 2018-09-07 | Control method of multi-cavity steel component assembly positioning mechanism |
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| CN201811042400.3A CN109048166B (en) | 2018-09-07 | 2018-09-07 | Control method of multi-cavity steel component assembly positioning mechanism |
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| CN111250918B (en) * | 2020-03-27 | 2024-05-28 | 常州博瑞电力自动化设备有限公司 | Ring main unit side plate welding tool and application method thereof |
| CN116727986B (en) * | 2023-08-08 | 2023-10-03 | 达州市宗源管业有限公司 | Square tube positioning auxiliary welding device |
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| DE19833125A1 (en) * | 1998-07-23 | 2000-01-27 | Actech Gmbh Adv Casting Tech | Three dimensional gripper actuator system with combination of guideway and carriages that each have built in electrical linear motors |
| CN101429791A (en) * | 2008-12-20 | 2009-05-13 | 宫海西 | Girder-embedded continuous box-shaped reinforced concrete beam board and its production technique |
| CN203109499U (en) * | 2013-01-23 | 2013-08-07 | 昆山华德宝通力扶梯设备有限公司 | Welding platform of escalator truss |
| CN103410081B (en) * | 2013-08-23 | 2015-06-17 | 邢台路桥千山桥梁构件有限责任公司 | Steel box type composite beam forming method |
| CN205684900U (en) * | 2016-06-16 | 2016-11-16 | 天津大学 | Pipeline runs through the friction stitch welding of defect repairs structure |
| CN107775240B (en) * | 2016-08-29 | 2019-08-09 | 西尼机电（杭州）有限公司 | A kind of welding procedure of truss |
| CN206653086U (en) * | 2017-02-07 | 2017-11-21 | 江苏慕宁建设工程有限公司 | A kind of steel bar girder carriage |
| CN207130891U (en) * | 2017-08-25 | 2018-03-23 | 中冶建工集团有限公司 | A kind of multidirectional handing-over box node weld mould bases of steel truss |
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