CN102049646B - Tool supporting plate, assembly welding tool and radian profile welding method - Google Patents
Tool supporting plate, assembly welding tool and radian profile welding method Download PDFInfo
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- CN102049646B CN102049646B CN2010106033138A CN201010603313A CN102049646B CN 102049646 B CN102049646 B CN 102049646B CN 2010106033138 A CN2010106033138 A CN 2010106033138A CN 201010603313 A CN201010603313 A CN 201010603313A CN 102049646 B CN102049646 B CN 102049646B
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- section bar
- anchor clamps
- end anchor
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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
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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
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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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/24—Frameworks
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- Engineering & Computer Science (AREA)
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention provides a tool supporting plate, an assembly welding tool and a radian profile welding method. The supporting height at the edge of the tool supporting plate is higher than the height of the corresponding position of a to-be-supported profile. On the basis of the conventional assembly welding tool, a supporting plate adjacent to a propping end fixture or a positioning end fixture is taken as a deformed supporting plate. The radian profile welding method adopts the assembly welding tool provided by the invention during the welding process. With the adoption of the tool supporting plate, the assembly welding tool and the radian profile welding method, the compression effect of a tool compaction fixture is enhanced, the problem of pre-welding misalignment at the butt-jointed beveled edge of a long weld joint of a radian profile is effectively controlled, and the production efficiency of the long and longitudinal weld joint radian profile is greatly improved without adjusting the misalignment at the beveled edge.
Description
Technical field
The present invention relates to section bar welding assembling process technique, relate in particular to a kind of frock gripper shoe, formal dress welding tooling and radian section bar welding method.
Background technology
In the rail vehicle body structure, some blocks of section bars of the general employing of parts that side wall and roof etc. has the radian section bar assemble with the form of butt joint or overlap joint, then radian section bar parts are made in the long longitudinal seam welding of coupling part between the adjacent profiles.
Along with the continuous development of solder technology, long longitudinal seam generally adopts automatic welding devices such as welding robot or special welding machine to weld at present.Welding gun than manual welding machine, the general volume of the welding gun of automatic welding device is bigger, therefore it is bigger to take up room, so in welding process, in order to reserve certain space, guarantee welding gun can be free before so that be not subjected to the interference of frock compressing fixture, the frock compressing fixture can only be pressed the outside that be stuck near section bar, keep certain distance with weld seam.On the other hand, convex globoidal welds outside the parts that side wall and roof etc. had the radian section bar, i.e. during formal dress welding, in order to control the needs of welding deformation, need preset welding anti-distortion, namely under the section bar that reversible deformation possibility maximum takes place, increase the support of aluminium sheet cushion block.Usually the section bar of radian section bar by-level setting is the position that need preset welding anti-distortion.
The state that prior art adopts the formal dress welding tooling that radian section bar workpiece is welded, as shown in Figure 1, the formal dress welding tooling comprises pedestal 207, pedestal 207 is provided with five groups of gripper shoes, comprise first gripper shoe 213, second gripper shoe 223, the 3rd gripper shoe 203, the 4th gripper shoe 233 and the 5th gripper shoe 204, the upper surface of each gripper shoe is used for supporting each section bar in welding process, first section bar 101 that specifically comprises shown in Figure 1, second section bar 102, the 3rd section bar 103, the 4th section bar 104 and the 5th section bar 105, the outline line of the profile line of all support plate upper surface and radian section bar workpiece indent is complementary, and generally is that gripper shoe is parallel with corresponding section bar inner surface.The 3rd section bar 103 in centre position is to preset the welding anti-distortion position, and it is down by the second aluminium sheet cushion block, 209 bed hedgehoppings.The two ends of radian section bar workpiece position respectively, and normally the end with radian section bar workpiece adopts positioning end anchor clamps 205 to fix, and the other end of workpiece is replaced by holding out against end anchor clamps 206.The formal dress welding tooling also comprises the pressure clip tool that suspention arranges, and according to the pressure calorie requirement of radian section bar, a plurality of pressure clip tools is arranged generally.Typically structure is, comprises first compressing fixture 201, compresses the 3rd section bar 103 that presets the welding anti-distortion place from the top down.Also comprise second compressing fixture 202, establish the first aluminium sheet cushion block 208 at the second compressing fixture underlay, the section bar of radian section bar edge of work perk is pressed on the gripper shoe.
But, there is following defective in above-mentioned formal dress welding tooling: the 3rd section bar 103 in centre position and corresponding the 3rd gripper shoe 203 contacts are only arranged, and at the 5th section bar 105 of edge perk when being compressed by second compressing fixture 202, the bevel for welding of this section bar upper surface on the contrary can perk, as shown in Figures 2 and 3, cause the groove of the 5th section bar 105 to be higher than the groove of adjacent inner the 4th section bar 104, during welding the misalignment phenomenon can take place.Therefore existing formal dress welding tooling, pressure card and welding procedure can not effectively be controlled the misalignment of radian profile flange place groove.
Utilize the technical process of formal dress welding tooling welding radian section bar workpiece as follows in the prior art:
With the anti-assembling of each section bar of radian section bar workpiece, anti-dress assembling is specially each section bar is hung in the anti-dress frock, and order is finished the welding of the weld seam between each each groove of section bar inner concave, each section bar is welded into the radian section bar workpiece of an integral body;
With radian section bar workpiece is counter adorn weld seam welding and finish after, lift out tire, place on the gripper shoe of formal dress welding tooling as shown in Figure 1, make the 3rd section bar 103 centre position bed hedgehoppings on the 3rd gripper shoe 203 in the middle of the second aluminium sheet cushion block 209 is fixed on, be benchmark with positioning end anchor clamps 205, fix in the horizontal direction by the end anchor clamps 206 that hold out against of workpiece again, then first compressing fixture 201 and second compressing fixture, 202 pressures are stuck on the relevant position of radian section bar workpiece, press chucking solid whole work-piece, make workpiece not produce movement, the formal dress groove of radian section bar workpiece is welded.
Because in the process of above-mentioned welding, the groove A place that is positioned at radian section bar workpiece edge can produce the groove misalignment, as shown in Figure 3, therefore for reducing the groove misalignment that the aforesaid operations process produces, prior art generally adopts following technical proposals:
First kind, take to locate the mode of welding, at the section bar assembling stage, position welding at radian section bar groove place every a segment distance before the weldering, come the groove place is fixed by the quantity that increases tack weld, to prevent groove place generation misalignment.
Second kind, the mode of taking machinery to adjust if weld preceding groove misalignment, adopts the hammering mode to adjust the section bar of the higher side of groove place height, thereby makes the misalignment leveling.
But adopt above-mentioned two kinds of schemes of the prior art, have following shortcoming:
The one,, carry out too much location welding in welded joints, caused the increase that repeatedly plays non-cutting times such as arc welding and weld grinding, reduced production efficiency; On the other hand, tack weld is too intensive, though have certain fixation for the control misalignment, has also retrained the free shrink distortion of groove herein, in case produce misalignment, it will be more difficult adjusting misalignment.
The 2nd,, whole road groove is adjusted misalignment with hammering, not only the labour intensity height, adjust inefficiency, and be easy to injure by a crashing object the section bar surface or make section bar surface depression, cause section bar intensity to descend.
Summary of the invention
The invention provides a kind of frock gripper shoe, formal dress welding tooling and radian section bar welding method, to reduce the misalignment phenomenon at radian section bar groove place.
The invention provides a kind of frock gripper shoe, the bearing height at support plate edge place is greater than the height of section bar correspondence position to be supported.
The present invention also provides a kind of formal dress welding tooling, comprise polylith gripper shoe, first compressing fixture, second compressing fixture, positioning end anchor clamps and hold out against the end anchor clamps, the gripper shoe adjacent with holding out against end anchor clamps and/or positioning end anchor clamps is as the distortion gripper shoe, the bearing height at distortion support plate edge place is greater than the height of section bar correspondence position to be supported, and the edge of distortion gripper shoe holds between the anchor clamps and/or between second compressing fixture and positioning end anchor clamps with holding out against at second compressing fixture.
The present invention also provides a kind of radian section bar welding method, comprising:
The radian section bar workpiece that anti-dress welding is finished places on the gripper shoe of formal dress welding tooling, be clamped in the positioning end anchor clamps and hold out against and hold between the anchor clamps, wherein, the formal dress welding tooling comprises the polylith gripper shoe, first compressing fixture, second compressing fixture, positioning end anchor clamps and hold out against the end anchor clamps, the gripper shoe adjacent with holding out against end anchor clamps and/or positioning end anchor clamps is as the distortion gripper shoe, the bearing height at this distortion support plate edge place is greater than the height of section bar correspondence position to be supported, and the edge of distortion gripper shoe establishes at the section bar underlay of radian section bar workpiece centre and presets the reversible deformation cushion block holding between the anchor clamps with holding out against between second compressing fixture and the positioning end anchor clamps and/or at second compressing fixture;
Adopt first compressing fixture to compress the section bar that presets reversible deformation cushion block place, and adopt second compressing fixture to compress the contiguous section bar that holds out against end anchor clamps and/or positioning end anchor clamps, the groove of each section bar both sides is welded.
As shown from the above technical solution, frock gripper shoe provided by the invention, formal dress welding tooling and radian section bar welding method, can not effectively control the problem of radian section bar groove misalignment and misalignment adjustment difficulty at existing frock, by improve the geomery of gripper shoe at original tool structure, strengthen the pressure card effect of frock compressing fixture, effectively preceding misalignment problem is welded at the long weld seam butt joint of control radian section bar groove place, has greatly improved the production efficiency of long longitudinal seam radian section bar.
Description of drawings
Fig. 1 is the schematic diagram of planting of radian section bar workpiece integral installation allotment of labor in the prior art;
Fig. 2 is the schematic diagram that local part is amplified among Fig. 1;
Fig. 3 is radian section bar workpiece grooves misalignment schematic diagram in the existing technology;
The schematic diagram of the frock gripper shoe that Fig. 4 provides for the embodiment of the invention one;
The radian section bar workpiece integral installation allotment of labor that Fig. 5 provides for the embodiment of the invention two schematic diagram of planting;
Fig. 6 for the frock gripper shoe of using the embodiment of the invention and providing after groove misalignment schematic diagram.
Reference numeral:
101-first section bar; 102-second section bar; 103-the 3rd section bar;
104-the 4th section bar; 105-the 5th section bar; 201-first compressing fixture;
202-second compressing fixture; 205-positioning end anchor clamps; 206-holds out against the end anchor clamps;
207-frock pedestal; The 208-first aluminium sheet cushion block; The 209-second aluminium sheet cushion block;
213-first gripper shoe; 223-second gripper shoe; 203-the 3rd gripper shoe;
233-the 4th gripper shoe; 204-the 5th gripper shoe; 243-is out of shape gripper shoe;
305-first groove; 306-second groove; 307-the 3rd groove;
308-the 4th groove.
The specific embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, need to prove, in accompanying drawing or specification, similar or components identical is all used identical Reference numeral.Obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Embodiment one
The embodiment of the invention provides a kind of frock gripper shoe, and the bearing height at this frock support plate edge place is greater than the height of section bar correspondence position to be supported.
This gripper shoe mainly refers to the contiguous gripper shoe that holds out against the end anchor clamps in the formal dress welding tooling, and other structures of formal dress welding tooling can be referring to shown in Figure 1.Certainly this frock gripper shoe also can be applied in other places, is used for the welding tooling that the radian section bar has groove place, radian position, for example, can use this gripper shoe under the section bar at positioned adjacent end anchor clamps place if needed, is not limited to present embodiment.
Be that example specifies the application principle of this gripper shoe in formal dress welding tooling and welding method with contiguous this gripper shoe that holds out against the end anchor clamps below, principle and the method for using the gripper shoe that embodiment of the invention provides in its elsewhere in like manner can push away, do not repeat them here, but be not limited to present embodiment.
The frock supporting plate structure schematic diagram that Fig. 4 provides for the embodiment of the invention one, as shown in Figure 4, with respect to the gripper shoe in original frock, this distortion gripper shoe 243 is increased the bearing height at former support plate edge place, when workpiece presets reversible deformation in the formal dress welding tooling after, the 5th section bar 105 that is positioned at the outside can be overlapped in the P point of this distortion gripper shoe 243 just, and the bearing height of this distortion gripper shoe 243 is greater than the height of the 5th section bar 105 edges.Therefore, as long as the position that keeps P to order is positioned at the right side that second compressing fixture 202 is pressed stuck point, just can form with the P point is fulcrum, be the lever construction of the arm of force with KP, to produce a support force that makes progress to the 5th section bar 105 at P o'clock, make the 5th section bar 105 be produced the trend of moving by the part on top on the P point, thereby make the 5th section bar 105 produce downward trend at the 4th groove 308 places, reduced the difficulty of utilizing second compressing fixture 202 that the 5th section bar 105 outsides the 4th groove 308 is depressed separately, make after middle gripper shoe presets reversible deformation and presses card, the 4th groove 308 does not produce misalignment, thereby effectively control the misalignment before 308 welderings of radian section bar workpiece the 4th groove, thereby reduced the quantity of tack weld.
The frock gripper shoe that the embodiment of the invention provides is improved the shape and size of gripper shoe in original formal dress welding tooling, takes full advantage of lever principle, has strengthened the pressure card effect of frock compressing fixture.
This gripper shoe can adopt various ways, and for example, gripper shoe is cylinder, and the bearing height of edge is the height of cylinder, and preferably, gripper shoe is blocks, and the height at blocks upper surface side place is the bearing height of edge.And the blocks upper surface can with the corresponding inner surface of section bar to be supported between have angle greater than zero degree.The embodiment of the invention only provides two kinds of preferred schemes, but is not limited with present embodiment.
Because in the existing frock, other gripper shoes adopt bulk form usually, to increase Area of bearing, therefore the gripper shoe that provides among the embodiment one also adopts blocks, can match with other gripper shoes, carry out deformation processing on the basis of original gripper shoe, save the program of independent processing, save processing cost, improved efficient.
Embodiment two
The embodiment of the invention two also provides a kind of formal dress welding tooling, the radian section bar workpiece integral installation allotment of labor that Fig. 5 provides for the embodiment of the invention two schematic diagram of planting, as shown in Figure 5, comprise five groups of gripper shoes in the formal dress welding tooling, be respectively first gripper shoe 213, second gripper shoe 223, the 3rd gripper shoe 203, the 4th gripper shoe 233 and distortion gripper shoe 243, also comprise first compressing fixture 201, second compressing fixture 202, positioning end anchor clamps 205 and hold out against end anchor clamps 206.
Certainly, the group of gripper shoe is several decides according to the number of section bar to be supported, normally the quantity with section bar to be supported is identical, every group of gripper shoe supports a section bar, gripper shoe in every group can be the gripper shoe that comprises the same shape and size of polylith, also can be the gripper shoe of a monoblock, to support the section bar at this place in a longitudinal direction, not be limited with present embodiment.
In the present embodiment, the bearing height of adjacent distortion gripper shoe 243 edges is greater than the height of the 5th section bar 105 correspondence positions to be supported with holding out against end anchor clamps 206 in this formal dress welding tooling, and the edge of distortion gripper shoe 243 is at second compressing fixture 202 with hold out against between the end anchor clamps 206.Described distortion gripper shoe 243 edges are at second compressing fixture 202 and hold out against between the end anchor clamps 206, refer to hold between the anchor clamps 206 with holding out against at the center line of second compressing fixture 202.
The formal dress welding tooling of present embodiment, can not effectively control the problem of radian section bar groove misalignment and misalignment adjustment difficulty at existing frock, in the formal dress welding tooling, adopt the distortion gripper shoe, therefore strengthened the pressure card effect of frock compressing fixture in the formal dress welding tooling, effectively preceding misalignment problem is welded at the long weld seam butt joint of control radian section bar groove place, need not adjust the groove misalignment of welding.
Distortion gripper shoe in this formal dress welding tooling can be various ways, for example, can be cylinder or blocks, is preferably blocks in the present embodiment, but is not limited with present embodiment.
Concrete is, as shown in Figure 5, this distortion gripper shoe 243 be blocks, has the angle greater than zero degree between its upper surface and the 5th section bar 105 corresponding inner surfaces to be supported, and its edge with hold out against hold anchor clamps 206 to hold out against the position concordant.These distortion gripper shoe 243 its edges with hold out against end anchor clamps 206 to hold out against the position concordant, compare with the 5th gripper shoe in the former frock, be widened to the position concordant with curved section bars edge of work PQ from the position of former the 5th support plate edge MN, the stud conllinear of the right side vertical line of distortion gripper shoe 243 and the rightmost side of the 5th section bar 105.At this moment, because the position that P is ordered is positioned at the rightmost side of the 5th section bar 105, make the arm of force maximization of generation, after second compressing fixture, 202 pressures are stuck on the 5th section bar 105, can more easily the 5th section bar 105 outsides the 4th groove 308 be depressed, thereby in welding process, the misalignment before 308 welderings of more effective control radian section bar workpiece the 4th groove.
Embodiment three
The embodiment of the invention three also provides a kind of radian section bar welding method, and the formal dress welding tooling that this method can adopt any embodiment of the present invention to provide is implemented, and specifically comprises the steps:
The radian section bar workpiece that anti-dress welding is finished places on the gripper shoe of formal dress welding tooling, be clamped in the positioning end anchor clamps and hold out against and hold between the anchor clamps, wherein, the formal dress welding tooling comprises the polylith gripper shoe, first compressing fixture, second compressing fixture, positioning end anchor clamps and hold out against the end anchor clamps, the gripper shoe adjacent with holding out against the end anchor clamps is as the distortion gripper shoe, the bearing height at this distortion support plate edge place is greater than the height of section bar correspondence position to be supported, and the edge of distortion gripper shoe is at second compressing fixture and hold out against between the end anchor clamps, and the section bar underlay in the middle of the radian section bar workpiece is established and preset the reversible deformation cushion block;
Adopt first compressing fixture to compress the section bar that presets reversible deformation cushion block place, and adopt second compressing fixture to compress the contiguous section bar that holds out against the end anchor clamps, the groove of each section bar both sides is welded.
Adopt the welding method of present embodiment, the formal dress welding tooling that utilizes the embodiment of the invention to provide, the groove at profile flange place does not produce misalignment, as shown in Figure 6, therefore reduced the quantity of tack weld, before formal welding, need not again groove to be carried out the adjustment of misalignment, greatly improved the production efficiency of long longitudinal seam radian section bar.
In the process that adopts the welding of present embodiment welding method, welding to each groove of section bar is divided into location welding and formal welding, can be according to multiple order, for example, begin the location welding from the groove of section bar Far Left one side, other grooves are positioned welding to the right successively, perhaps begin the location welding from the middle groove of section bar, relocate the groove of its elsewhere of fabricated structural shape, at last all grooves on the section bar are formally welded.
The preferred version that present embodiment provides is, adopt first compressing fixture to compress the section bar that presets reversible deformation cushion block place, and adopt second compressing fixture to compress the contiguous section bar that holds out against the end anchor clamps, perhaps adopt second compressing fixture to compress the section bar of positioned adjacent end anchor clamps, perhaps increase by anchor clamps again and compress the contiguous section bar that holds out against end anchor clamps and positioned adjacent end anchor clamps simultaneously, be not limited with present embodiment.The operation that the groove of each section bar side welds is carried out in the following order:
At first, the section bar both sides groove that presets reversible deformation cushion block place is positioned welding;
Again, the section bar both sides groove that presets reversible deformation cushion block place is formally welded;
Then, the groove that the contiguous section bar side that holds out against the end anchor clamps is not preset reversible deformation positions welding, perhaps the groove that the section bar side of positioned adjacent end anchor clamps is not preset reversible deformation positions welding, or the groove that simultaneously the contiguous section bar side that holds out against end anchor clamps and positioned adjacent end anchor clamps is not preset reversible deformation positions welding;
At last, to contiguous end anchor clamps or the positioned adjacent end anchor clamps section bar side of holding out against, perhaps the groove that simultaneously the contiguous section bar side that holds out against end anchor clamps and positioned adjacent end anchor clamps is not preset reversible deformation formally welds.
The operation principle of this preferred version is, at first finishes location welding and the formal welding of the groove that presets reversible deformation place, finishes location welding and the formal welding of not presetting reversible deformation place groove then, to guarantee that misalignment does not take place not preset reversible deformation place groove.
Concrete is, as shown in Figure 5, finish location welding and formal welding to first groove 305, second groove 306 and the 3rd groove 307 these 3 road weld seams at first successively, since the influence of accumulation welding contraction distortion, the gap that 1～2mm will open in the 4th groove 308 places of not presetting reversible deformation place between the 4th section bar 104 and the 5th section bar 105.If a little higher than the 4th section bar 104 of the 5th section bar 105 place's grooves, because certain interval has been opened at the 4th groove 308 places, therefore the misalignment at easier adjustment the 4th groove 308 places welds the 4th groove 308 at last again, the more effective preceding misalignment of the 4th groove 308 welderings of having controlled.
In the welding of above-mentioned location, preferably, during to the welding of each section bar groove location, fusion length is 60mm～70mm, and spacing 1.5mm～2mm can reduce the quantity of tack weld, can prevent the groove misalignment again.
Further, for preventing in welding process, because welding contraction distortion causes the gap at the 4th groove 308 places further to increase, before the formal welding, the 4th groove 308 is received the arc end carry out one section tack welding, fusion length 70mm～80mm, thus make the 4th groove 308 possess the condition of formal welding.
It should be noted that at last: above embodiment is only in order to technical scheme of the present invention to be described but not limit it, although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can make amendment or be equal to replacement technical scheme of the present invention, and these modifications or be equal to replacement and also can not make amended technical scheme break away from the spirit and scope of technical solution of the present invention.
Claims (8)
1. a formal dress welding tooling comprises polylith gripper shoe, first compressing fixture, second compressing fixture, positioning end anchor clamps and holds out against the end anchor clamps, it is characterized in that,
With the described adjacent gripper shoe of end anchor clamps and/or positioning end anchor clamps that holds out against as the distortion gripper shoe, the bearing height at described distortion support plate edge place is greater than the height of section bar correspondence position to be supported, and the edge of described distortion gripper shoe is at second compressing fixture and hold out against between the end anchor clamps, and/or between second compressing fixture and positioning end anchor clamps.
2. formal dress welding tooling according to claim 1 is characterized in that, the edge of described distortion gripper shoe with described hold out against end anchor clamps and/or positioning end anchor clamps to hold out against the position concordant.
3. formal dress welding tooling according to claim 1 is characterized in that, described distortion gripper shoe is blocks or cylinder.
4. formal dress welding tooling according to claim 3 is characterized in that,
Has the angle greater than zero degree between described blocks upper surface and the corresponding inner surface of described section bar to be supported.
5. a radian section bar welding method is characterized in that, comprising:
The radian section bar workpiece that anti-dress welding is finished places on the gripper shoe of formal dress welding tooling, be clamped in the positioning end anchor clamps and hold out against and hold between the anchor clamps, wherein, described formal dress welding tooling comprises the polylith gripper shoe, first compressing fixture, second compressing fixture, positioning end anchor clamps and hold out against the end anchor clamps, the gripper shoe adjacent with holding out against end anchor clamps and/or positioning end anchor clamps is as the distortion gripper shoe, the bearing height at this distortion support plate edge place is greater than the height of section bar correspondence position to be supported, and the edge of distortion gripper shoe establishes at the section bar underlay of radian section bar workpiece centre and presets the reversible deformation cushion block holding between the anchor clamps with holding out against between second compressing fixture and the positioning end anchor clamps and/or at second compressing fixture;
Adopt first compressing fixture to compress the section bar that presets reversible deformation cushion block place, and adopt second compressing fixture to compress the contiguous section bar that holds out against end anchor clamps and/or positioning end anchor clamps;
Groove to each section bar both sides welds.
6. radian section bar welding method according to claim 5 is characterized in that, the groove of each section bar both sides is welded specifically comprise:
The section bar both sides groove that presets reversible deformation cushion block place is positioned welding;
The section bar both sides groove that presets reversible deformation cushion block place is formally welded;
The groove that the contiguous section bar side that holds out against end anchor clamps and/or positioned adjacent end anchor clamps is not preset reversible deformation place positions welding;
The groove that the contiguous section bar side that holds out against end anchor clamps and/or positioned adjacent end anchor clamps is not preset reversible deformation place formally welds.
7. radian section bar welding method according to claim 6 is characterized in that, the tack welding welding seam length of each section bar groove is 60mm～70mm, and weld spacing is 1.5mm～2mm.
8. radian section bar welding method according to claim 7 is characterized in that, the fusion length of receipts arc end that the section bar side that described vicinity holds out against end anchor clamps and/or positioned adjacent end anchor clamps does not preset the groove location welding of reversible deformation place is 70mm～80mm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106033138A CN102049646B (en) | 2010-12-23 | 2010-12-23 | Tool supporting plate, assembly welding tool and radian profile welding method |
| PCT/CN2011/074841 WO2012083638A1 (en) | 2010-12-23 | 2011-05-30 | Fixture supporting plate, forward assembly welding fixture and method for welding arc sectional material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106033138A CN102049646B (en) | 2010-12-23 | 2010-12-23 | Tool supporting plate, assembly welding tool and radian profile welding method |
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| Publication Number | Publication Date |
|---|---|
| CN102049646A CN102049646A (en) | 2011-05-11 |
| CN102049646B true CN102049646B (en) | 2013-08-14 |
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| WO (1) | WO2012083638A1 (en) |
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| CN102049646B (en) * | 2010-12-23 | 2013-08-14 | 唐山轨道客车有限责任公司 | Tool supporting plate, assembly welding tool and radian profile welding method |
| CN102626841B (en) * | 2012-04-23 | 2014-11-19 | 南京南车浦镇城轨车辆有限责任公司 | Automatic welding fixture of subway train obverse-reverse side roofs |
| CN103008957A (en) * | 2012-12-27 | 2013-04-03 | 中国重汽集团柳州运力专用汽车有限公司 | Compressing device for carriage side plate of self-dumper |
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Also Published As
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| CN102049646A (en) | 2011-05-11 |
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