CN104526123B - Passenger vehicle back wall assembly assembling-welding fixtures and use it to carry out the technique of back wall assembly welding equipment - Google Patents
Passenger vehicle back wall assembly assembling-welding fixtures and use it to carry out the technique of back wall assembly welding equipment Download PDFInfo
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- CN104526123B CN104526123B CN201410733699.2A CN201410733699A CN104526123B CN 104526123 B CN104526123 B CN 104526123B CN 201410733699 A CN201410733699 A CN 201410733699A CN 104526123 B CN104526123 B CN 104526123B
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- 238000003466 welding Methods 0.000 title claims abstract description 78
- 238000000034 method Methods 0.000 title claims abstract description 23
- 108010001267 Protein Subunits Proteins 0.000 claims description 19
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
- 238000005304 joining Methods 0.000 claims description 4
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 229910000679 solder Inorganic materials 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000001595 contractor effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
Classifications
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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
-
- 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
- B23K9/0026—Arc welding or cutting specially adapted for particular articles or work
-
- 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
- B23K9/007—Spot arc welding
-
- 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
-
- 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
- B23K9/16—Arc welding or cutting making use of shielding gas
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/006—Vehicles
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Automatic Assembly (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The present invention relates to passenger vehicle back wall assembly assembling-welding fixtures and use it to carry out the technique of back wall assembly welding equipment, this fixture comprises base, sprag, long struts, cylinder and clamp arm, fixing multiple the first pillars in both sides before and after base, multiple the second pillars are fixed in the base left and right sides, medium position is fixed with jacking apparatus, the technique that uses this fixture to carry out back wall assembly welding equipment comprises the following steps: first, the parts of rear wall frame are fixedly clamped and are welded as a whole with fixture, then use jacking apparatus jack-up, then hang out rear wall frame with cantilever crane; Secondly, the parts of rear wall outer panel are fixedly clamped and are welded as a whole with fixture, then use jacking apparatus jack-up; Finally, rear wall frame is lifted up in rear wall outer panel, by jacking apparatus return, then rear wall frame and rear wall outer panel are compressed and welded, become back wall assembly after having welded, such process has ensured precision quality and the appearance effect of back wall assembly.
Description
Technical field
The invention belongs to passenger vehicle back wall assembly manufacturing technology field, be specifically related to a kind of passenger vehicle back wall assemblyAssembling-welding fixtures and use it to carry out the technique of back wall assembly welding equipment.
Background technology
Passenger vehicle back wall assembly comprises rear wall frame sub-unit and rear wall outer panel sub-unit, passenger vehicle back wall assemblyWelding equipment, i.e. the welding equipment of rear wall frame and rear wall outer panel, at present the welding equipment of bus industry back wall assembly passesSystem technique is as described below: the back wall first each parts of rear wall frame sub-unit being welded as a wholeSkeleton sub-unit, using rear wall frame sub-unit as basic form, each parts of rear wall outer panel are rearEnclose the work of joining weldering and riveting on the outer surface of skeleton sub-unit, now, rear wall outer panel and back wallA complete back wall assembly of skeleton composition, then slings back wall assembly with cantilever crane, then to back wallWeld and dress work covering and rear wall frame lower surface. But, due to the square tube of rear wall frameAfter existing error and each side's duct member to be welded to form rear wall frame, making own there is welding deformation and chiVery little error, so the each parts of rear wall outer panel carry out welding equipment with the trend state of rear wall frame sub-unit,The rear wall outer panel distortion forming after welding is larger, has a strong impact on appearance effect.
Summary of the invention
The present invention has overcome the shortcoming of prior art, the folder that provides a kind of passenger vehicle back wall assembly welding equipment to useTool and use the technique of the welding equipment passenger vehicle back wall assembly of this fixture, this jig Design is rational in infrastructure, to rearEach parts that enclose skeleton and rear wall outer panel carry out the clamping of relative position, make rear wall frame and afterThe integral solder error of enclosing covering reduces, and uses this fixture passenger vehicle back wall assembly to be carried out to the technique of welding equipmentMake rear wall outer panel after first integral solder, to attach together welding with rear wall frame again, attach together after welding afterEnclose the accurate positioning of assembly welding equipment, being installed puts in place, and the process distortion of being welded is little, can obviously promote welderingPacking quality, improves the outward appearance of back wall assembly greatly.
Concrete technical scheme of the present invention is:
The fixture that passenger vehicle back wall assembly welding equipment is used, comprise base, the first pillar, the second pillar,Cylinder and clamp arm, base is that middle part is the three-back-shaped structure of rectangular through-hole, the first pillar and secondPost is multiple and is distributed in respectively both sides, front and back and the left and right sides of base plate upper surface, each firstPost and the equal correspondence of each the second pillar arrange a cylinder and a clamp arm, and the first pillar is correspondingCylinder is vertically arranged in the first pillar outside and is fixed on base upper surface, the clamping of base rear and front endArm is horizontally set at the first pillar upper end, and the middle part of clamp arm and the first pillar upper end are hinged, clamp armOuter end and the telescopic end of cylinder hinged, the corresponding cylinder of the second pillar is laterally fixed on the second pillarUpper end, the corresponding clamp arm of the second pillar is vertically arranged at the second pillar upper inner, clamp armMiddle part and the second pillar hinged inside, the telescopic end of clamp arm upper end and cylinder is hinged, in baseRectangular through-hole place of portion is provided with jacking apparatus, between jacking apparatus and base, does not contact.
Described jacking apparatus comprises holder, retractor device and bracing frame, and telescoping cylinder is multiple, instituteHave retractor device to be evenly distributed on holder upper surface, retractor device lower end and holder upper surface are fixed,Retractor device upper end and bracing frame lower surface are fixed.
Described retractor device is telescopic cylinder, telescopic oil cylinder or Electrohydraulic push rod.
The passenger vehicle back wall assembly assembling and welding process of described fixture, is characterized in that comprising the following steps:
A, the welding of rear wall frame sub-unit: first each rear wall frame sub-unit parts are formed according to structureBe positioned over respectively the corresponding position, upper surface of the first pillar 2 in fixture, jettron control cylinder 4Do stretching and promote clamp arm 5 clamped closed gradually, real respectively by the clamping of each clamp arm 5Now being fixedly clamped of each parts, then adopts carbon dioxide gas arc welding to carry out rear wall frame each zeroThereby the welding between parts forms all-in-one-piece rear wall frame sub-unit, all gas of jettron controlThereby cylinder 4 shrinks clamp arm 5 is unclamped, finally utilize jacking apparatus by rear wall frame sub-unit jack-up,Rear wall frame is promoted to and departs from completely after fixture, with cantilever crane, rear wall frame sub-unit is sling, and pushes upRise device return and drop to home position, rear wall frame lower surface is carried out weld seam, strengthens angle and dribbleware,Having welded the rear weld seam to skeleton polishes to smooth;
The welding of B, rear wall outer panel sub-unit: first by each parts of rear wall outer panel sub-unit according to structureComposition is positioned over respectively the corresponding position, upper surface of the first pillar 2 in fixture, jettron controlThe cylinder 4 corresponding with each parts of rear wall outer panel sub-unit does stretching promotion clamp arm 5 and clampsClosure, realizes being respectively fixedly clamped of each parts by the clamping of each clamp arm 5, then will be eachParts are welded as a whole;
C, rear wall frame sub-unit and rear wall outer panel sub-unit attach together: all cylinders 4 of jettron controlMake clamp arm 5 unclamp the each parts of rear wall outer panel thereby shrink, then utilize jacking apparatus that back wall is coveredSkin sub-unit jack-up, rear wall outer panel sub-unit is promoted to and departs from completely after fixture, and rear wall frame is dividedAssembly winches in rear wall outer panel sub-unit, and then by jacking apparatus return, jacking apparatus drives back wall to coverSkin sub-unit and rear wall frame sub-unit drop to after the first pillar 2 upper surface opposite positions, pneumaticSwitch control cylinder 4 does stretching and promotes clamp arm 5 clamped closed gradually, by each clamp arm 5Clamping realize being fixed of rear wall outer panel sub-unit and rear wall frame sub-unit, divide at rear wall frameKey point between assembly and rear wall outer panel sub-unit is used flat board, special-shaped connecting plate to carry out bonding and welderingConnect, rear wall frame sub-unit and rear wall outer panel sub-unit are attached together as back wall assembly;
In described step C, when rear wall frame sub-unit and rear wall outer panel sub-unit attach together into back wall totalCheng Hou, controls all cylinders 4 contractions and makes clamp arm 5 unclamp back wall assembly, opens jacking apparatus simultaneouslyBy back wall assembly jack-up, when back wall assembly departs from after fixture completely, back wall assembly is hung out with cantilever crane,Then rested and reorganized, polished to smooth in back wall assembly part, complete the welding equipment of back wall assembly.
In described step B, the welding manner of rear wall outer panel sub-unit parts is spot welding, partsBetween spot welding spacing be 25～35mm, the linearity of weld nugget is less than 3mm, parts joining place coverInitiating terminal and the clearing end of skin flange arrange spot welding place.
While welding between each parts of rear wall frame sub-unit in described steps A first by partsBetween carry out spot welding and fix, then two facades of weld seam between adjacent two parts of full weld and weld seamUpper surface.
Beneficial effect of the present invention: the setting of the fixture that the passenger vehicle back wall assembly welding equipment in the present invention is used makesObtain relative position between rear wall frame and the parts of rear wall outer panel and be maintained, reduced rear wall frameAnd welding error between the parts of rear wall outer panel, by each to each rear wall frame parts and rear wall outer panelParts clamp and are welded and fixed respectively, form respectively rear wall frame sub-unit and rear wall outer panel and divide alwaysBecome, make the integral welding of rear wall outer panel sub-unit avoid the trend shape interference of rear wall frame sub-unit,Then the back wall assembly distortion that rear wall frame sub-unit and rear wall outer panel sub-unit is attached together to rear formation is little,Fine degree and the appearance effect of back wall assembly obviously promote.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the left view of Fig. 1.
In accompanying drawing, 1, base, 2, the first pillar, 3, the second pillar, 4, cylinder, 5, clamp arm,6, holder, 7, retractor device, 8, bracing frame.
Detailed description of the invention
The fixture that passenger vehicle back wall assembly welding equipment is used, comprises base 1, the first pillar 2, the second pillar3, cylinder 4 and clamp arm 5, the three-back-shaped structure that base 1 is rectangular through-hole for middle part, the first pillar2 and second pillar 3 be multiple and be distributed in respectively both sides, front and back and the left and right two of base plate 1 upper surfaceSide, each the first pillar 2 and the equal correspondence of each the second pillar 3 arrange a cylinder 4 and a clampingThe corresponding cylinder 4 of arm 5, the first pillar 2 is vertically arranged in the first pillar 2 outsides and is fixed on base1 upper surface, the clamp arm 5 of base 1 rear and front end is horizontally set at the first pillar 2 upper ends, clamp arm5 middle part and the first pillar 2 upper ends are hinged, and the telescopic end of the outer end of clamp arm 5 and cylinder 4 is hinged,The corresponding cylinder 4 of the second pillar 3 is laterally fixed on the second pillar 3 upper ends, the second pillar 3 rightThe clamp arm 5 of answering is vertically arranged at the second pillar 3 upper inner, the middle part of clamp arm 5 and secondPost 3 hinged inside, the telescopic end of clamp arm 5 upper ends and cylinder 4 is hinged, at the middle part of base 1 squareShape through hole is provided with jacking apparatus, between jacking apparatus and base 1, does not contact, and jacking apparatus comprisesHolder 6, retractor device 7 and bracing frame 8, telescoping cylinder 7 is multiple, all retractor devices 7 are evenBe distributed in holder 6 upper surfaces, retractor device 7 lower ends and holder 6 upper surfaces are fixed, flexible dressPut 7 upper ends and bracing frame 8 lower surfaces are fixed.
A passenger vehicle back wall assembly assembling and welding process that uses above-mentioned fixture, its technological process comprises following stepRapid:
A, the welding of rear wall frame sub-unit: first each rear wall frame sub-unit parts are formed according to structureBe positioned over respectively the corresponding position, upper surface of the first pillar 2 in fixture, jettron control cylinder 4Do stretching and promote clamp arm 5 clamped closed gradually, real respectively by the clamping of each clamp arm 5Now being fixedly clamped of each parts, then adopts carbon dioxide gas arc welding to carry out rear wall frame each zeroThereby the welding between parts forms overall rear wall frame sub-unit, CO2Gas shielded arc welding usesGas and welding wire, low price, with 85%Ar+15%CO2Mixed gas arc welding is compared, CO2GasProtection weldering welding cost is low, productivity ratio is high, applied widely etc., and CO2Gas shielded arc welding is a kind ofOpen arc welding connection, can observe electric arc and molten bath, is convenient to monitoring and controlling, and postwelding does not need scarfing cinder,Be conducive to realize mechanization and the automation of welding process, in welding process, first by between partsCarry out spot welding and fix, then two facades in weld seam between the adjacent parts of full weld two and weld seam is upperSurface, after rear wall frame welds, utilizes jacking apparatus by rear wall frame jack-up, jacking apparatusBracing frame 8 carries rear wall frame and moves up under the stretching of retractor device 7, and cylinder 4 graduallyShrink, clamp arm 5 is opened thereupon, and clamp arm 5 slightly lags behind than the action of cylinder 4, thenStart jacking apparatus, finally realize the interlock of the jacking while loosening, all cylinders 4 in jack-up processMake clamp arm 5 unclamp the each parts of rear wall frame thereby shrink, rear wall frame is promoted to completely and departs fromAfter fixture, with cantilever crane, rear wall frame sub-unit is sling, the bracing frame 8 of jacking apparatus is at flexible dressUnder 7 contractive action, drop to home position and depart from rear wall frame thereby put, rear wall frame is winched to nothingBarrier region, starts skeleton lower surface to carry out weld seam, strengthen angle and dribbleware, and it is rear right to have weldedThe weld seam of skeleton is polished;
The welding of B, rear wall outer panel sub-unit: first by each parts of rear wall outer panel sub-unit according to structureComposition is positioned over respectively the corresponding position, upper surface of the first pillar 2 in fixture, jettron controlCylinder 4 does stretching and promotes clamp arm 5 clamped closed, by the clamping difference of each clamp arm 5Realize being fixedly clamped of each parts, then each parts are welded as a whole, rear wall outer panel dividesThe welding manner of assembly parts is spot welding, and the spot welding spacing between parts is 25～35mm, spot weldingThe linearity of solder joint is less than 3mm, and initiating terminal and the clearing end of parts joining place covering flange must pointsWeldering;
C, rear wall frame sub-unit and rear wall outer panel sub-unit attach together: all cylinders 4 of jettron controlMake clamp arm 5 unclamp the each parts of rear wall outer panel thereby shrink, then utilize jacking apparatus that back wall is coveredSkin sub-unit jack-up, rear wall outer panel sub-unit is promoted to and departs from completely after fixture, after inciting somebody to action with cantilever craneEnclose skeleton sub-unit and winch in rear wall outer panel sub-unit, then by jacking apparatus return, jacking apparatus bandMoving rear wall outer panel sub-unit and rear wall frame sub-unit drop to behind hold down gag position, jettron controlCylinder 4 processed does stretching and promotes clamp arm 5 clamped closed gradually, by the folder of each clamp arm 5Being fixed of the existing rear wall outer panel sub-unit of consolidation and rear wall frame sub-unit, by rear wall frame sub-unitCompress with rear wall outer panel sub-unit, between rear wall frame sub-unit and rear wall outer panel sub-unitKey point is used dull and stereotyped or special-shaped connecting plate to carry out bonding and welding, and bonding and welding according to actual needsCan implement separately, also can adopt simultaneously, between skeleton sub-unit and covering sub-unit, adopt bondingTechnique, is for fear of the molten trace of covering sub-unit exposed surface solder joint, reduce the molten trace polishing of solder joint and afterThe workload that ash makes up is scraped in continuous application, improves covering presentation quality, has also reduced the paint of scraping after ash simultaneouslySplit hidden danger incidence, and be to ensure the intensity of sub-unit after bonding, avoid because of the impact of external environment factorThe generation of the skeleton causing and covering degumming phenomenon, simultaneously at the concealment part of two sub-units as flangeLocate to adopt welding manner on non-exposed face, rear wall frame sub-unit and rear wall outer panel sub-unit attached together forBack wall assembly, after rear wall frame sub-unit and rear wall outer panel sub-unit attach together as back wall assembly, opensJacking apparatus, controls all cylinders 4 simultaneously and shrinks and make clamp arm 5 unclamp back wall assembly, when back wall totalBecome to depart from completely after fixture, back wall assembly is hung out with cantilever crane, then back wall assembly part is carried outRepair, polish, complete the welding equipment of back wall assembly.
The present invention by by rear wall outer panel sub-unit and rear wall frame sub-unit respectively separately processing be welded,Avoid rear wall outer panel sub-unit to be subject to the impact of the trend shape of rear wall frame sub-unit, thereby improvedThe outward appearance of rear wall outer panel sub-unit, both entirety are welded into back wall sub-unit, in the process of being weldedBe installed put in place, welding process distortion is little, adopts assembling and welding process in this invention greatly to improve back wall totalThe welding quality becoming is also that the improvement of the appearance effect of back wall assembly provides the foundation simultaneously.
Claims (4)
1. a passenger vehicle back wall assembly assembling and welding process, is characterized in that: after described technology utilization passenger vehicleEnclose assembly assembling-welding fixtures and carry out, fixture comprise base (1), the first pillar (2), the second pillar (3),Cylinder (4) and clamp arm (5), the three-back-shaped structure that base (1) is rectangular through-hole for middle part, theOne pillar (2) and the second pillar (3) be multiple and be distributed in respectively base (1) upper surface beforeRear both sides and the left and right sides, each the first pillar (2) and each the second pillar (3) be corresponding setting allA cylinder (4) and a clamp arm (5), the corresponding cylinder of the first pillar (2) (4) is verticalBe arranged in the first pillar (2) outside and be fixed on base (1) upper surface, base (1) rear and front endClamp arm (5) be horizontally set at the first pillar (2) upper end, the middle part and first of clamp arm (5)Pillar (2) upper end is hinged, and the telescopic end of the outer end of clamp arm (5) and cylinder (4) is hinged, and secondThe corresponding cylinder of pillar (3) (4) is laterally fixed on the second pillar (3) upper end, the second pillar (3)Corresponding clamp arm (5) is vertically arranged at the second pillar (3) upper inner, clamp arm (5)Middle part and the second pillar (3) hinged inside, the telescopic end hinge of clamp arm (5) upper end and cylinder (4)Connect, be provided with jacking apparatus at the rectangular through-hole place, middle part of base (1), jacking apparatus and base (1)Between do not contact, use the technique of the passenger vehicle back wall assembly welding equipment of this fixture to comprise the following steps:
A, the welding of rear wall frame sub-unit: first each rear wall frame sub-unit parts are formed according to structureBe positioned over respectively the corresponding position, upper surface of the first pillar (2) in fixture, jettron control gasCylinder (4) does stretching and promotes clamp arm (5) clamped closed gradually, by each clamp arm (5)Clamping realize being respectively fixedly clamped of each parts, then adopt carbon dioxide gas arc welding to carry outThereby the welding between the each parts of rear wall frame forms all-in-one-piece rear wall frame sub-unit, pneumatic openingPass is controlled all cylinders (4) thereby is shunk clamp arm (5) is unclamped, and finally utilizes jacking apparatus to incite somebody to actionRear wall frame sub-unit jack-up, rear wall frame is promoted to and departs from completely after fixture, after inciting somebody to action with cantilever craneEnclose skeleton sub-unit and sling, jacking apparatus return drops to home position, and rear wall frame lower surface is enteredRow weld seam, reinforcement angle and dribbleware, welded the rear weld seam to skeleton and polished to smooth;
The welding of B, rear wall outer panel sub-unit: first by each parts of rear wall outer panel sub-unit according to structureComposition is positioned over respectively the corresponding position, upper surface of the first pillar (2) in fixture, jettron controlMake the cylinder (4) corresponding with each parts of rear wall outer panel sub-unit and do stretching promotion clamp arm (5)Clamped closed, realizes being respectively fixedly clamped of each parts by the clamping of each clamp arm (5), soAfter each parts are welded as a whole;
C, rear wall frame sub-unit and rear wall outer panel sub-unit attach together: all cylinders of jettron control (4)Make clamp arm (5) unclamp the each parts of rear wall outer panel thereby shrink, then utilize jacking apparatus by back wallCovering sub-unit jack-up, rear wall outer panel sub-unit is promoted to and departs from completely after fixture, by rear wall frameSub-unit winches in rear wall outer panel sub-unit, and then by jacking apparatus return, jacking apparatus drives back wallCovering sub-unit and rear wall frame sub-unit drop to after the opposite position of the first pillar (2) upper surface,Jettron control cylinder (4) does stretching and promotes clamp arm (5) clamped closed gradually, passes throughThe clamping of each clamp arm (5) realizes being fixed of rear wall outer panel sub-unit and rear wall frame sub-unit,Key point between rear wall frame sub-unit and rear wall outer panel sub-unit is used dull and stereotyped, special-shaped connecting plateCarry out bonding and welding, rear wall frame sub-unit and rear wall outer panel sub-unit are attached together as back wall assembly.
2. passenger vehicle back wall assembly assembling and welding process according to claim 1, is characterized in that: described inStep C in, after rear wall frame sub-unit and rear wall outer panel sub-unit attach together as back wall assembly, controlMake all cylinders (4) contraction and make clamp arm (5) unclamp back wall assembly, open jacking apparatus will simultaneouslyBack wall assembly jack-up, when back wall assembly departs from after fixture completely, hangs out back wall assembly with cantilever crane,Then rested and reorganized, polished to smooth in back wall assembly part, complete the welding equipment of back wall assembly.
3. passenger vehicle back wall assembly assembling and welding process according to claim 2, is characterized in that: described inStep B in, the welding manner of rear wall outer panel sub-unit parts is spot welding, the point between partsWeldering spacing is 25～35mm, and the linearity of weld nugget is less than 3mm, parts joining place covering flangeInitiating terminal and clearing end arrange spot welding place.
4. passenger vehicle back wall assembly assembling and welding process according to claim 3, is characterized in that: described inSteps A in first will between parts, carry out while welding between each parts of rear wall frame sub-unitSpot welding is fixed, then two facades of weld seam between adjacent two parts of full weld and the upper surface of weld seam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410733699.2A CN104526123B (en) | 2014-12-05 | 2014-12-05 | Passenger vehicle back wall assembly assembling-welding fixtures and use it to carry out the technique of back wall assembly welding equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410733699.2A CN104526123B (en) | 2014-12-05 | 2014-12-05 | Passenger vehicle back wall assembly assembling-welding fixtures and use it to carry out the technique of back wall assembly welding equipment |
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| Publication Number | Publication Date |
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| CN104526123A CN104526123A (en) | 2015-04-22 |
| CN104526123B true CN104526123B (en) | 2016-05-18 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104526224B (en) * | 2014-12-05 | 2016-05-18 | 保定长安客车制造有限公司 | Coach front surrounding assembly assembling-welding fixtures and use it to carry out the technique of front wall assembly welding equipment |
| CN109623232A (en) * | 2017-08-01 | 2019-04-16 | 汪思芳 | A kind of automobile that welding quality is good processing welder |
| CN108942052B (en) * | 2018-09-04 | 2023-06-20 | 桂林航天工业学院 | Passenger car body framework welding fixture with overturning function |
| CN113787290B (en) * | 2021-08-30 | 2024-06-28 | 安徽泓毅汽车技术股份有限公司 | Welding fixture for automobile rear wall inner plate assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3288978A (en) * | 1963-10-17 | 1966-11-29 | Ford Motor Co | Method and device for positioning and welding |
| JPS60240388A (en) * | 1984-05-14 | 1985-11-29 | Mazda Motor Corp | Welding and assembling line for vehicle body |
| CN201755740U (en) * | 2010-03-12 | 2011-03-09 | 邬烈保 | Instrument panel installation support welding jig |
| CN201988873U (en) * | 2011-03-09 | 2011-09-28 | 浙江豪情汽车制造有限公司 | Car door welding fixture |
| CN102357760B (en) * | 2011-09-30 | 2014-11-26 | 重庆市华青汽车配件有限公司 | Fixture for sedan central pillar inner skin roof rail welding assembly |
| CN103624449A (en) * | 2012-08-28 | 2014-03-12 | 江苏卡威专用汽车制造有限公司 | Car front wall assembly welding clamp |
| CN203124954U (en) * | 2012-12-31 | 2013-08-14 | 济南吉利汽车有限公司 | Clamp lifting assembly |
| CN104526224B (en) * | 2014-12-05 | 2016-05-18 | 保定长安客车制造有限公司 | Coach front surrounding assembly assembling-welding fixtures and use it to carry out the technique of front wall assembly welding equipment |
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Also Published As
| Publication number | Publication date |
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| CN104526123A (en) | 2015-04-22 |
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Effective date of registration: 20240123 Address after: 073099 Dingqu Road, Dingzhou City, Baoding City, Hebei Province Patentee after: HEBEI CHANGAN AUTOMOBILE CO.,LTD. Country or region after: China Address before: 073000 Bus Body Technology Department of Baoding Chang'an Bus Manufacturing Co., Ltd., Dingqu Road, Dingzhou, Baoding City, Hebei Province Patentee before: BAODING CHANGAN BUS MANUFACTURING Co.,Ltd. Country or region before: China |
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