CN103817475A - Bulletproof and load-bearing type vehicle floor welding and tooling method and tooling clamp thereof - Google Patents
Bulletproof and load-bearing type vehicle floor welding and tooling method and tooling clamp thereof Download PDFInfo
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- CN103817475A CN103817475A CN201410039617.4A CN201410039617A CN103817475A CN 103817475 A CN103817475 A CN 103817475A CN 201410039617 A CN201410039617 A CN 201410039617A CN 103817475 A CN103817475 A CN 103817475A
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- bearing
- crossbeam
- welding
- connecting plate
- pressing plate
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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
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
Abstract
The invention relates to a bulletproof and load-bearing type vehicle floor welding and tooling method and a tooling clamp thereof. The bulletproof and load-bearing type vehicle floor welding and tooling method includes that a vehicle floor is subjected to tooling after divided into a front part and a back part, a front longitudinal beam is prepositioned, and a clamp is turned over to control transverse displacement and prevent welding displacement; the back part is subjected to tooling directly, and a back longitudinal beam and the vehicle floor are transversely clamped to prevent welding deformation during welding; the assembled front and back parts are subjected to butt welding to complete tooling of the vehicle floor. Tooling of twenty small assemblies can be achieved through one tooling clamp, and each assembly adopts a vehicle design benchmark; the longitudinal beam is transversely clamped during welding, so that vehicle welding deformation of a bulletproof vehicle can be effectively prevented, precision of vehicle skeleton can be ensured to meet the requirements on assembly of a complete vehicle, labor intensity of operators can be reduced, and working efficiency can be improved.
Description
Technical field
The invention belongs to field of automobile, the welding tooling on integral body floor specifically, the welding tooling on especially shellproof integral body floor.
Background technology
The welding tooling that shellproof integral body floor adopts conventionally carries out assembling and welding separately by 20 little sub-units on different frock clamps, is then becoming floor Fig. 1 to show each little sub-unit each little sub-unit erection welding.The frock clamp of also not developing for shellproof integral body base plate at present, what generally adopt is all respectively front and back two parts car body floor to be assembled and welded at different station, and then front and back two parts are welded together, this frock, first while respectively 20 little sub-units being assembled and are welded into front and back two parts, location between each little sub-unit is very difficult, and solder joint is more; The workload that has simultaneously increased welding, has taken more frock resource; And the welding deformation that this frock causes is difficult to control, especially the welding deformation between floor and longeron is difficult to control.
Summary of the invention
The object of the invention is to propose a kind of method for tooling that prevents the welding deformation between car body floor and longeron, and on same set of fixture, realize the welding between two large sub-units before and after welding between assembling, longeron and the vehicle body of bullet-proof car longeron and crossbeam, vehicle body, thereby control shellproof car body floor welded distortion, eliminate chassis rigging error.
In order to achieve the above object, shellproof integral body floor welded method for tooling disclosed by the invention, it comprises the steps:
By first crossbeam and second cross beam orientation assemble; And left first crossbeam connection bracket, the right connection bracket of first crossbeam, the left connection bracket of second cross beam, the right connection bracket of second cross beam are assembled with first crossbeam and second cross beam respectively; By left front girder and front right longitudinal beam pre-determined bit, and it is flipped an angle to the inside, front wall bulge assembly is fallen, outwards upset left front girder and front right longitudinal beam, and left front girder and front right longitudinal beam are assembled with the left connection bracket of first crossbeam, the right connection bracket of first crossbeam, the left connection bracket of second cross beam, the right connection bracket of second cross beam; By front wall bulge assembly and left front girder and front right longitudinal beam welding, before welding, comprise the step of horizontal clamping left front girder and front right longitudinal beam, to prevent left front girder and front right longitudinal beam welding deformation; So far complete the frock of first half;
By the 3rd crossbeam and the 4th crossbeam orientation assemble; By the left connection bracket of the 3rd crossbeam, the right connection bracket of the 3rd crossbeam, the left connection bracket of the 4th crossbeam, the right connection bracket of the 4th crossbeam by left rear longitudinal beam and right back longeron and the 3rd crossbeam and the assembling of the 4th crossbeam; By rear wheel cover assembly and left rear longitudinal beam and right back longitudinal beam welding, before welding, comprise the step of horizontal clamping left rear longitudinal beam and right back longeron, to prevent left rear longitudinal beam and the distortion of right back longitudinal beam welding; So far complete the frock of latter half;
By first half and latter half butt welding tool.
Further, described erection welding is to complete on a frock clamp.
Further, above-mentioned is left and right front longitudinal and front wall bulge assembly to be welded by front wall bulge assembly and left front girder and front right longitudinal beam welding simultaneously; Above-mentioned is simultaneously by left and right floor side member and the welding of rear wheel cover assembly by rear wheel cover assembly and left rear longitudinal beam and right back longitudinal beam welding.Like this, can avoid longeron and car body floor welding process always to produce asymmetric stress, and then can control welding deformation.
Further, adopt high station operation.Like this, for operation provides abundant, comfortable operating space, welding quality and efficiency have been improved.
The shellproof integral body floor welded frock clamp of the present invention's design, comprises base plate, it is characterized in that: described base plate is provided with slide plate, between described slide plate and base plate, establishes slide rail;
Described base plate is provided with the front supporting member group that supports the each sub-unit of car body floor first half, and described front supporting member group is provided with prosodetic plane group; (described front supporting member group is consistent with vehicle body design benchmark with prosodetic plane group; Vehicle body design reference pin has different benchmark to dissimilar car, belongs to prior art, lower same)
On described base plate, be also provided with for first crossbeam and second cross beam being compressed and the front beam positioning compression device of location, and for by left front girder with front right longitudinal beam compresses and the front longitudinal upset positioning compression device of location;
Described slide plate is provided with the rear support part group that supports the each sub-unit of car body floor latter half, and described rear support part group is provided with rear confined planes group; (described rear support part group is consistent with vehicle body design benchmark with rear confined planes group)
On described slide plate, be also provided with for the 3rd crossbeam and the 4th crossbeam being compressed and the rear cross beam positioning compression device of location;
At left front girder and the other front longitudinal auxiliary clamping device that is also provided with the distortion for preventing front longitudinal and the welding of front wall bulge assembly of front right longitudinal beam;
Between left rear longitudinal beam and right back longeron, be also provided with the floor side member auxiliary clamping device for preventing floor side member and rear wheel cover assembly welding deformation.
Further, described front beam positioning compression device comprises front beam bearing, and front beam bearing bottom is connected with base plate, and top is provided with the first connecting plate and the first bearing; The first connecting plate and the first bearing top are provided with the first pressing plate; The first connecting plate is provided with the first guide pillar, and described the first guide pillar is through described the first pressing plate, and top is provided with the first compact heap, and described the first compact heap is connected with the first guide pillar screw top; Between described the first pressing plate and the first bearing, be provided with the first latch; Described the first bearing is provided with the first locating piece.Like this, by the first locating piece and the first latch, front beam is located, then turn the first compact heap under the supporting role of the first connecting plate, compresses the first latch, thereby compression front beam, that is to say the first crossbeam and the second cross beam that compress one of car body floor first half composition., front beam positioning compression device is provided with two groups totally four, lays respectively at first crossbeam and second cross beam two ends.
Again further, described the first connecting plate is provided with the first stopper slot, and described the first pressing plate is positioned at described the first stopper slot; Described the first pressing plate is provided with the first chute, and described the first guide pillar passes in described the first chute.Like this, in the process compressing, there is suitable surplus to regulate, thereby guarantee that the benchmark of front beam is consistent with vehicle body design benchmark.
Further, described front longitudinal upset positioning compression device comprises front longitudinal bearing, and front longitudinal bearing bottom is connected with base plate, and top is provided with the second connecting plate and the second bearing; The second bearing is connected with second pressing plate one end by the first bearing pin, and described the second pressing plate swings between the second connecting plate and the second bearing around described the first bearing pin; Described the second bearing is provided with the first push rod for withstanding front longitudinal, and described the first push rod is threaded with described the second bearing; Described the second connecting plate is provided with the first swing arm, and described the first swing arm is threaded with described the second connecting plate; Described the first swing arm top contacts with described the second pressing plate; Described the second bearing is provided with the second locating piece.Like this, by the second locating piece and the first push rod by front beam pre-determined bit, unscrew the first swing arm, front longitudinal is tilted to the inside, then fall front wall bulge assembly it is spacing, screw the first swing arm and hold out against the second pressing plate, so by the second pressing plate and the first push rod, front longitudinal and front wall bulge assembly are compressed, that is to say left front girder and front right longitudinal beam and front wall bulge assembly compression.
Again further, between described the second pressing plate and the second bearing, be provided with the first limited block.Like this, can effectively prevent that the front longitudinal causing due to excessive screwing the first swing arm from just not installing, cause the inconsistent situation of front longitudinal benchmark and vehicle body design benchmark to occur.
Further, described rear cross beam positioning compression device comprises rear cross beam bearing, and rear cross beam bearing bottom is connected with slide plate, and top is provided with the 3rd connecting plate and the 3rd bearing; The 3rd connecting plate and the 3rd bearing top are provided with the 3rd pressing plate; The 3rd connecting plate is provided with the second guide pillar, and described the second guide pillar is through described the 3rd pressing plate, and top is provided with the second compact heap, and described the second compact heap is connected with the second guide pillar screw top; Between described the 3rd pressing plate and the 3rd bearing, be provided with the second latch; Described rear cross beam bearing top is also provided with the 3rd locating piece, and described the 3rd locating piece is provided with rear cross beam alignment pin, and described rear cross beam alignment pin is parallel with described the second latch.Like this, by the 3rd locating piece, rear cross beam alignment pin and the second latch, rear cross beam is located, then turn the second compact heap under the supporting role of the 3rd connecting plate, compress the second latch, thereby compression rear cross beam, that is to say the 3rd crossbeam and the 4th crossbeam that compress one of car body floor latter half composition.Front beam positioning compression device is provided with two groups totally four, lays respectively at the 3rd crossbeam and the 4th crossbeam two ends.
Again further, described the 3rd connecting plate is provided with the second stopper slot, and described the 3rd pressing plate is positioned at described the second stopper slot; Described the 3rd pressing plate is provided with the second chute, and described the second guide pillar passes in described the second chute.Like this, in the process compressing, there is suitable surplus to regulate, thereby guarantee that the benchmark of rear cross beam is consistent with vehicle body design benchmark.
Further, described front longitudinal auxiliary clamping device comprises front longitudinal auxiliary support, and front longitudinal auxiliary support bottom is connected with slide plate, and top is provided with the 4th connecting plate and the 4th bearing; The 4th bearing is connected with the 4th pressing plate one end by the second bearing pin, and described the 4th pressing plate swings between the 4th connecting plate and the 4th bearing around described the second bearing pin; Described the 4th connecting plate is provided with the second swing arm, and described the second swing arm is threaded with described the 4th connecting plate; Described the second swing arm top contacts with described the 4th pressing plate; Described the 4th bearing top is provided with the 4th locating piece.Like this, by the 4th locating piece by front beam pre-determined bit, unscrew the second swing arm, front longitudinal is tilted to the inside, then fall front wall bulge assembly it is spacing, screw the second swing arm and hold out against the 4th pressing plate, so by the 4th pressing plate, front longitudinal is applied to certain external force, make front longitudinal can not produce distortion in the time welding with front wall bulge assembly, that is to say by the process of left front girder and front right longitudinal beam and the welding of front wall bulge assembly, can not produce welding deformation.
Again further, between described the 4th pressing plate and the 4th bearing, be provided with the second limited block.Like this, can effectively prevent that the front longitudinal causing due to excessive screwing the second swing arm from just not installing, cause the inconsistent situation of front longitudinal benchmark and vehicle body design benchmark to occur.
Again further, described front longitudinal auxiliary support top is also provided with front longitudinal alignment pin, and described front longitudinal alignment pin is fixed on front longitudinal auxiliary support top by the first link.Like this, to front longitudinal, that is to say that left front girder and front right longitudinal beam are further spacing, prevent the play of front longitudinal, guarantee that the benchmark of front longitudinal is consistent with vehicle body design benchmark.
Further, floor side member auxiliary clamping device comprises floor side member auxiliary support and telescopic auxiliary support bar; Described floor side member auxiliary support bottom is connected with slide plate, and top is provided with the 5th connecting plate, and described the 5th connecting plate is provided with opening, and two faces of described opening are provided with the 5th limited block and the 6th limited block; Described auxiliary support bar is between the 6th relative locating piece.Like this, utilize auxiliary support bar and the 5th connecting plate to clamp rear left longeron and rear right vertical beam simultaneously, thereby effectively prevent floor side member, that is to say the welding deformation of rear left longeron and rear right vertical beam and rear wheel cover assembly.
Again further, described auxiliary support bar comprises rotation section and canned paragraph, and described rotation section is threaded connection and stretches into described canned paragraph; The equal ball pivot in end of described rotation section and canned paragraph is hinged with movable end; In described rotation section, be also provided with assister bar.
Again further, on described the 5th connecting plate, be also provided with floor side member alignment pin, described floor side member alignment pin is fixed on the 5th connecting plate one side by the second link.Like this, to floor side member, that is to say that left rear longitudinal beam and right back longeron are further spacing, prevent the play of floor side member, guarantee that the benchmark of floor side member is consistent with vehicle body design benchmark.
Further, on described base plate and slide plate, be equipped with front wall bulge assembly and rear wheel cover assembly clamping device, described front wall bulge assembly and rear wheel cover assembly clamping device comprise pedestal, described pedestal top is provided with the 6th connecting plate, described the 6th connecting plate top is provided with the 5th pressing plate, described the 5th pressing plate one end is connected with the 6th connecting plate by the 3rd bearing pin, and described the 5th pressing plate can rotate around the 3rd bearing pin; On described the 5th pressing plate, be also provided with the 3rd swing arm, described the 3rd swing arm is through described the 5th pressing plate, and top is threaded with described the 6th connecting plate; Between described the 5th pressing plate and pedestal, be also provided with the 6th limited block.Like this, the 5th pressing plate that unscrews and overturn, when falling after front wall bulge assembly and rear wheel cover assembly, utilizes the 6th limited block location, and the 5th pressing plate that then overturns, screws the 3rd swing arm, thereby compresses front wall bulge assembly and rear wheel cover assembly.
The invention has the beneficial effects as follows: the frock that has realized 20 little sub-units on a frock clamp, and what each frock adopted is all vehicle body design benchmark, when welding, laterally clamp longeron, can effectively control like this distortion of bullet-proof car automobile body welding, guarantee that vehicle body bone precision meets car load matching requirements, reduce operative employee's labour intensity, increase work efficiency.
Accompanying drawing explanation
Fig. 1 is 20 little sub-units that need location and installation in floor welded frock;
Fig. 2 is the schematic perspective view of shellproof integral body floor welded frock clamp support member disclosed by the invention and confined planes,
Fig. 3 is the top view schematic diagram of shellproof integral body floor welded frock clamp support member disclosed by the invention and confined planes;
Fig. 4 to Figure 14 is the support member of car body floor first half and the schematic perspective view of confined planes, wherein, the figure of same label is same parts, and a, b represent different visual angle states, parts in Fig. 4 to Figure 13 are for being symmetrical set, and the parts in Figure 14 are positioned at the middle part of base plate;
Figure 15 to Figure 19 is the support member of car body floor latter half and the schematic perspective view of confined planes, and wherein, the figure of same label is same parts, and a, b represent different visual angle states, and the parts of Figure 15 to Figure 18 are for being symmetrical set, and Figure 19 is positioned at slide plate middle part;
Figure 20 is the schematic perspective view of shellproof integral body floor welded frock clamp disclosed by the invention,
Figure 21 is the schematic top plan view of shellproof integral body floor welded frock clamp disclosed by the invention;
Figure 22 is the positioning clamping device of shellproof integral body floor welded frock clamp disclosed by the invention and the schematic perspective view of servicing unit,
Figure 23 is the positioning clamping device of shellproof integral body floor welded frock clamp disclosed by the invention and the top view schematic diagram of servicing unit;
Figure 24 is the schematic perspective view of the front beam positioning compression device of shellproof integral body floor welded frock clamp disclosed by the invention,
Figure 25 is the schematic perspective view of front beam positioning compression device the first bearing;
Figure 26 is the schematic perspective view of the front longitudinal upset positioning compression device of shellproof integral body floor welded frock clamp disclosed by the invention;
Figure 27 is the schematic perspective view one of the rear cross beam positioning compression device of shellproof integral body floor welded frock clamp disclosed by the invention,
Figure 28 is the schematic perspective view two of the rear cross beam positioning compression device of shellproof integral body floor welded frock clamp disclosed by the invention;
Figure 29 is the schematic perspective view one of the front longitudinal auxiliary clamping device of shellproof integral body floor welded frock clamp disclosed by the invention,
Figure 30 is the schematic perspective view two of the front longitudinal auxiliary clamping device of shellproof integral body floor welded frock clamp disclosed by the invention;
Figure 31 is the solid signal of the floor side member auxiliary clamping device of shellproof integral body floor welded frock clamp disclosed by the invention,
Figure 32 is the exploded perspective view of the auxiliary support bar of floor side member auxiliary clamping device disclosed by the invention;
Figure 33 is the schematic perspective view one of front wall bulge assembly and rear wheel cover assembly clamping device,
Figure 34 is the schematic perspective view two of front wall bulge assembly and rear wheel cover assembly clamping device.
In figure: front wall bulge assembly 1 ', rear wheel cover assembly 2 ', left front girder 3 ', front right longitudinal beam 4 ', left rear longitudinal beam 5 ', right back longeron 6 ', first crossbeam 7 ', second cross beam 8 ', the 3rd crossbeam 9 ', the 4th crossbeam 10 ', left front wheel cover 11 ', right front wheel cover 12 ', the left connection bracket 13 ' of first crossbeam, the right connection bracket 14 ' of first crossbeam, the left connection bracket 15 ' of second cross beam, the right connection bracket 16 ' of second cross beam, the left connection bracket 17 ' of the 3rd crossbeam, the right connection bracket 18 ' of the 3rd crossbeam, the left connection bracket 19 ' of the 4th crossbeam, the right connection bracket 20 ' of the 4th crossbeam,
The support member 101～111 of first half, the support member 201～205 of latter half, prosodetic plane group 301, rear confined planes group 401;
Wherein: front beam bearing 41, the first connecting plate 42, the first stopper slot 421, the first bearing 43, V-type groove 431, the first pressing plate 44, the first chute 441, the first guide pillar 45, the first compact heap 46, the first latch 47, the first locating piece 48;
Front longitudinal bearing 51, the second connecting plate 52, the second bearing 53, the first bearing pin 54, the second pressing plate 55, the first push rod 56, the first swing arm 57, the second locating piece 58, the first limited block 59;
Rear cross beam bearing 61, the 3rd connecting plate 62, the 3rd bearing 63, the 3rd pressing plate 64, the second guide pillar 65, the second compact heap 66, the second latch 67, the 3rd locating piece 68, rear cross beam alignment pin 681;
Front longitudinal auxiliary support 71, the 4th connecting plate 72, the 4th bearing 73, the second bearing pin 74, the 4th pressing plate 75, the second swing arm 76, four locating pieces 77, the second limited block 78, front longitudinal alignment pin 79, the first link 710;
Floor side member auxiliary support 81, the 5th connecting plate 82, opening 83, the 5th limited block 84, six limited blocks 85, rotation section 91, screw thread 911, canned paragraph 92, movable end 93, assister bar 94;
Pedestal 1001, the 6th connecting plate 1002, the 5th pressing plate 1003, the 3rd bearing pin 1004, the 3rd swing arm 1005, the 6th limited block 1006.
The specific embodiment
As shown in Figure 1, there is shown 20 little sub-units that car body floor comprises, each little sub-unit is respectively: front wall bulge assembly 1 ', rear wheel cover assembly 2 ', left front girder 3 ', front right longitudinal beam 4 ', left rear longitudinal beam 5 ', right back longeron 6 ', first crossbeam 7 ', second cross beam 8 ', the 3rd crossbeam 9 ', the 4th crossbeam 10 ', left front wheel cover 11 ', right front wheel cover 12 ', the left connection bracket 13 ' of first crossbeam, the right connection bracket 14 ' of first crossbeam, the left connection bracket 15 ' of second cross beam, the right connection bracket 16 ' of second cross beam, the left connection bracket 17 ' of the 3rd crossbeam, the right connection bracket 18 ' of the 3rd crossbeam, the left connection bracket 19 ' of the 4th crossbeam, the right connection bracket 20 ' of the 4th crossbeam, at present, employing be that these 20 little sub-units are carried out separately to frock on different tooling platforms, then each little sub-unit is being assembled into car body floor.But, because the sub-unit of assembling is more, so just cause assembling and anchor point more, therefore assembling difficulty; Simultaneously, due to front wall bulge assembly 1 ' and the place head that is welded to connect of the place of being welded to connect, rear wheel cover assembly 2 ' and the left rear longitudinal beam 5 ' of left front girder 3 ', front right longitudinal beam 4 ', right back longeron 6 ', so be easy to cause welding deformation, thereby affect security performance.
The deficiency existing for existing method for tooling, the shellproof integral body floor welded method for tooling of the present invention's design, it comprises the steps:
By first crossbeam 7 ' and second cross beam 8 ' orientation assemble; And left first crossbeam connection bracket 13 ', the right connection bracket 14 ' of first crossbeam, the left connection bracket 15 ' of second cross beam, the right connection bracket 16 ' of second cross beam are assembled with first crossbeam 7 ' and second cross beam 8 ' respectively; By left front girder 3 ' and front right longitudinal beam 4 ' pre-determined bit, and it is flipped an angle to the inside, front wall bulge assembly 1 ' is fallen, outwards upset left front girder 3 ' and front right longitudinal beam 4 ', and by left front girder 3 ' and front right longitudinal beam 4 ' and the left connection bracket 13 ' of first crossbeam, the right connection bracket 14 ' of first crossbeam, the left connection bracket 15 ' of second cross beam, the right connection bracket 16 ' assembling of second cross beam; By front wall bulge assembly 1 ' and left front girder 3 ' and front right longitudinal beam 4 ' welding, before welding, comprise the step of horizontal clamping left front girder 3 ' and front right longitudinal beam 4 ', to prevent left front girder 3 ' and front right longitudinal beam 4 ' welding deformation; So far complete the frock of first half; That is to say, to after left front girder 3 ' and front right longitudinal beam 4 ' and first crossbeam 7 ' and second cross beam 8 ' assembling, left front girder 3 ' and front right longitudinal beam 4 ' laterally be clamped, and then by left front girder 3 ' and front right longitudinal beam 4 ' and the 1 ' welding of front wall bulge assembly, thereby complete the frock of first half.Left front girder 3 ' and front right longitudinal beam 4 ' are flipped an angle to the inside, be generally no more than 40 °, be convenient to like this front wall bulge assembly 1 ' and fall, frock is carried out smoothly.
By the 3rd crossbeam 9 ' and the 4th crossbeam 10 ' orientation assemble; By the left connection bracket 17 ' of the 3rd crossbeam, the right connection bracket 18 ' of the 3rd crossbeam, the left connection bracket 19 ' of the 4th crossbeam, the right connection bracket 20 ' of the 4th crossbeam, left rear longitudinal beam 5 ' and right back longeron 6 ' are assembled with the 3rd crossbeam 9 ' and the 4th crossbeam 10 '; By rear wheel cover assembly 2 ' and left rear longitudinal beam 5 ' and the 6 ' welding of right back longeron, before welding, comprise the step of horizontal clamping left rear longitudinal beam 5 ' and right back longeron 6 ', to prevent left rear longitudinal beam 5 ' and right back longeron 6 ' welding deformation; So far complete the frock of latter half; That is to say, left rear longitudinal beam 5 ' and right back longeron 6 ' and the 3rd crossbeam 9 ' and the 4th crossbeam 10 ' have been assembled and rear left rear longitudinal beam 5 ' and right back longeron 6 ' laterally clamped, and then by left rear longitudinal beam 5 ' and right back longeron 6 ' and the 2 ' welding of rear wheel cover assembly, thereby complete the frock of latter half.Owing to not interfering between rear wheel cover assembly 2 ' and left rear longitudinal beam 5 ' and right back longeron 6 ', the process falling is smooth and easy, does not also just need the operation of upset, directly carries out frock.
Finally, by first half and latter half butt welding tool.
Further, described erection welding is to complete on a frock clamp.
Further, in the time of welding front wall bulge assembly 1 ', pad symmetry, and the welding operation of symmetrical pad is carried out simultaneously; Equally, in the time of welding rear wheel cover assembly 2 ', pad symmetry, and the welding operation of symmetrical pad is carried out simultaneously.That is to say, simultaneously by left and right front longitudinal 3 ', 4 ' and the 1 ' welding of front wall bulge assembly, left and right floor side member 5 ', 6 ' is welded with rear wheel cover assembly 2 ' simultaneously.Like this, can avoid longeron 3 ', 4 ', 5 ', 6 ' and car body floor welding process always produce asymmetric stress, and then can control welding deformation.
Further, for operation provides abundant, comfortable operating space, improve welding quality and efficiency, adopted high station operation.
In order further to set forth summary of the invention of the present invention, shellproof integral body floor welded frock clamp the present invention being proposed below in conjunction with accompanying drawing describes, and said method is applied in this frock clamp.
Before setting forth summary of the invention of the present invention, as described in Fig. 2 and Fig. 3, this two width there is shown the support member in frock clamp and is positioned at the confined planes on support member, and wherein the support member 101～111 of first half is positioned on floor 1, and the support member 201～205 of latter half is positioned on slide plate 2; Support member 101 and support member 205 are positioned at the middle part of fixture, and all the other are symmetrically arranged; The position of support member 101～111 and support member 201～205 is all consistent with vehicle body design benchmark with requiring, and compared with existing frock clamp, just focuses on a fixture, does not make other changes.The schematic perspective view (every width figure is two visual angles) of each support member has been shown in Fig. 4 to Figure 19, confined planes also illustrates in the lump, these are all general method for designing and the structure of automotive floor panel Fixture designing technical field, do further tired stating at this pair of its that just differ.It should be noted that: vehicle body design benchmark is determined according to different designing requirements, be also prior art category simultaneously, do not set forth at this.
As shown in Figure 20 and Figure 21, there is shown the general structure of frock clamp of the present invention, the content designing in figure is too much, will set forth summary of the invention of the present invention one by one below:
As shown in figure Fig. 2 and Fig. 3, Figure 22 and Figure 23, the shellproof integral body floor welded frock clamp of the present invention's design, comprises base plate 1, it is characterized in that: described base plate 1 is provided with slide plate 2, between described slide plate 2 and base plate 1, establishes slide rail 3; Described base plate 1 is provided with the front supporting member group 101～111 that supports car body floor first half each sub-unit, and described front supporting member group 101～111 is provided with prosodetic plane group 301, described front supporting member group 101～111 with prosodetic plane group 301 with consistent; On described base plate 1, be also provided with the front beam positioning compression device 4 for first crossbeam 7 ' and second cross beam 8 ' are compressed and located, and for positioning compression device 5 that the front longitudinal of left front girder and front right longitudinal beam compression and location is overturn; Described slide plate 2 is provided with the rear support part group 201～205 that supports car body floor latter half each sub-unit, and described rear support part group 201～205 is provided with rear confined planes group, described rear support part group 201～205 with rear confined planes group with consistent; On described slide plate 2, be also provided with for by the 3rd crossbeam 9 ' with the 4th crossbeam 10 ' compresses and the rear cross beam positioning compression device 6 of location; At left front girder 3 ' and the other front longitudinal auxiliary clamping device 7 being also provided with for preventing the distortion that front longitudinal 3 ', 4 ' welds with front wall bulge assembly 1 ' of front right longitudinal beam 4 '; Between left rear longitudinal beam 5 ' and right back longeron 6 ', be also provided with for preventing floor side member 5 ', 6 ' and the floor side member auxiliary clamping device 8 of rear wheel cover assembly 2 ' welding deformation.Like this, utilize these assemblies by front and back two parts orientation assemble on a fixture, when front and back two parts are after frock completes respectively, promote slide plate 2, two-part butt welding before and after completing.
As shown in figure 24, further, described front beam positioning compression device 4 comprises front beam bearing 41, and front beam bearing 41 bottoms are connected with base plate, and top is provided with the first connecting plate 42 and the first bearing 43; The first connecting plate 42 and the first bearing 43 tops are provided with the first pressing plate 44; The first connecting plate 42 is provided with the first guide pillar 45, and described the first guide pillar 45 is through described the first pressing plate 44, and top is provided with the first compact heap 46, and described the first compact heap 46 is connected with the first guide pillar 45 screw top; Between described the first pressing plate 44 and the first bearing 43, be provided with the first latch 47; Described the first bearing 43 is provided with the first locating piece 48.Like this, by the first locating piece 48 and the first latch 47 by front beam---that is to say first crossbeam 7 ' and second cross beam 8 ' location, then turn the first compact heap 46 under the supporting role of the first connecting plate 42, compress the first latch 47, thereby compression front beam, that is to say the first crossbeam 7 ' and the second cross beam 8 ' that compress one of car body floor first half composition., front beam positioning compression device 4 is provided with two groups totally four, lays respectively at first crossbeam 7 ' and second cross beam 8 ' two ends.
Still as shown in figure 24, more further, described the first connecting plate 42 is provided with the first stopper slot 421, and described the first pressing plate 44 is positioned at described the first stopper slot 421; Described the first pressing plate 44 is provided with the first chute 441, and described the first guide pillar 45 passes in described the first chute 441.Like this, in the process compressing, have suitable surplus to regulate, thereby the benchmark that guarantees front beam is with consistent.
As shown in figure 25, the first bearing 43 tops are provided with V-type groove 431, the first latches 47 and can be placed in location in above-mentioned V-type groove.Equally, on the first pressing plate 44, be also provided with such structure, compress the first latch 47 thereby coordinate with the first bearing, just separately do not illustrate as accompanying drawing at this.
As shown in figure 26, further, described front longitudinal upset positioning compression device 5 comprises front longitudinal bearing 51, and front longitudinal bearing 51 bottoms are connected with base plate, and top is provided with the second connecting plate 52 and the second bearing 53; The second bearing 53 is connected with second pressing plate 55 one end by the first bearing pin 54, and described the second pressing plate 55 swings between the second connecting plate 52 and the second bearing 53 around described the first bearing pin 54; Described the second bearing 53 is provided with the first push rod 56 for withstanding front longitudinal, and described the first push rod 56 is threaded with described the second bearing 53; Described second connects 52 plates is provided with the first swing arm 57, and described the first swing arm 57 is threaded with described the second connecting plate 52; Described the first swing arm 57 tops and described second press 55 plates to contact; Described the second bearing 53 is provided with the second locating piece 58.Like this, by the second locating piece 58 and the first push rod 56 by front beam pre-determined bit, unscrew the first swing arm 56, front longitudinal is tilted to the inside, then fall front wall bulge assembly 1 ' it is spacing, screw the first swing arm 57 and hold out against the second pressing plate 55, so by the second pressing plate 55 and the first push rod 56, front longitudinal and front wall bulge assembly 1 ' are compressed, that is to say left front girder 3 ' and front right longitudinal beam 4 ' are compressed with front wall bulge assembly 1 '.Again further, between described the second pressing plate 55 and the second bearing 53, be provided with the first limited block 59.Like this, can effectively prevent that the front longitudinal causing due to excessive screwing the first swing arm 57 from just not installing, cause the inconsistent situation of front longitudinal benchmark and vehicle body design benchmark to occur.
As shown in Figure 27 and Figure 28, further, described rear cross beam positioning compression device 6 comprises rear cross beam bearing 61, and rear cross beam bearing 61 bottoms are connected with slide plate 2, and top is provided with the 3rd connecting plate 62 and the 3rd bearing 63; The 3rd connecting plate 62 and the 3rd bearing 63 tops are provided with the 3rd pressing plate 64; The 3rd connecting plate 62 is provided with the second guide pillar 65, and described the second guide pillar 65 is through described the 3rd pressing plate 64, and top is provided with the second compact heap 66, and described the second compact heap 66 is connected with the second guide pillar 65 screw top; Between described the 3rd pressing plate 64 and the 3rd bearing 63, be provided with the second latch 67; Described rear cross beam bearing 61 tops are also provided with the 3rd locating piece 68, and described the 3rd locating piece 68 is provided with rear cross beam alignment pin 681, and described rear cross beam alignment pin 681 is parallel with described the second latch 67.Like this, by the 3rd locating piece 68, rear cross beam alignment pin 681 and the second latch 67, rear cross beam is located, then turn the second compact heap 66 under the supporting role of the 3rd connecting plate 62, compress the second latch 67, thereby compression rear cross beam, that is to say the 3rd crossbeam 9 ' and the 4th crossbeam 10 ' that compress one of car body floor latter half composition.According to vehicle body design benchmark, front beam positioning compression device 6 is provided with two groups totally four, lays respectively at the 3rd crossbeam 9 ' and the 4th crossbeam 10 ' two ends.
Or as shown in Figure 27 and Figure 28, more further, described the 3rd connecting plate 62 is provided with the second stopper slot 621, and described the 3rd pressing plate 64 is positioned at described the second stopper slot 621; Described the 3rd pressing plate 64 is provided with the second chute 641, and described the second guide pillar 65 passes in described the second chute 641.Like this, in the process compressing, there is suitable surplus to regulate, thereby guarantee that the benchmark of rear cross beam is consistent with vehicle body design benchmark.
The 3rd bearing 63 and the 3rd pressing plate 64 coordinate the second latch 67 are compressed to location, its structure with, the first bearing 43 is consistent with the fit structure of the first pressing plate 44, does not do tired stating at this.
As shown in Figure 29 and Figure 30, further, described front longitudinal auxiliary clamping device 7 comprises front longitudinal auxiliary support 71, and front longitudinal auxiliary support 71 bottoms are connected with slide plate 2, and top is provided with the 4th connecting plate 72 and the 4th bearing 73; The 4th bearing 73 is connected with the 4th pressing plate 75 one end by the second bearing pin 74, and described the 4th pressing plate 75 swings between the 4th connecting plate 72 and the 4th bearing 73 around described the second bearing pin 74; Described the 4th connecting plate 75 is provided with the second swing arm 76, and described the second swing arm 76 is threaded with described the 4th connecting plate 72; Described the second swing arm 76 tops contact with described the 4th pressing plate 75; Described the 4th bearing 73 tops are provided with the 4th locating piece 77.Like this, by the 4th locating piece 77 by front beam pre-determined bit, unscrew the second swing arm 76, front longitudinal is tilted to the inside, then fall front wall bulge assembly 1 ' it is spacing, screw the second swing arm 76 and hold out against the 4th pressing plate 75, so by the 4th pressing plate 75, front longitudinal is applied to certain external force, make front longitudinal in the time becoming welding with front wall bulge total 1 ', can not produce distortion, that is to say by the process of left front girder 3 ' and front right longitudinal beam 4 ' and the 1 ' welding of front wall bulge assembly, can not produce welding deformation.Again further, between described the 4th pressing plate 75 and the 4th bearing 77, be provided with the second limited block 78.Like this, can effectively prevent that the front longitudinal causing due to excessive screwing the second swing arm 76 from just not installing, cause the inconsistent situation of front longitudinal benchmark and vehicle body design benchmark to occur.Again further, described front longitudinal auxiliary support top 71 is also provided with front longitudinal alignment pin 79, and described front longitudinal alignment pin 79 is fixed on front longitudinal auxiliary support 71 tops by the first link 710.Like this, to front longitudinal, that is to say that left front girder 3 ' and front right longitudinal beam 4 ' are further spacing, prevent the play of front longitudinal, guarantee that the benchmark of front longitudinal is consistent with vehicle body design benchmark.
As shown in Figure 31 and Figure 32, further, floor side member auxiliary clamping device 8 comprises floor side member auxiliary support 81 and telescopic auxiliary support bar 9; Described floor side member auxiliary support 81 bottoms are connected with slide plate 2, and top is provided with the 5th connecting plate 82, and described the 5th connecting plate 82 is provided with opening 83, and two faces of described opening 83 are provided with the 5th limited block 84 and the 6th limited block 85; Described auxiliary support bar 9 is between the 6th relative locating piece 85.Like this, utilize auxiliary support bar 9 and the 5th connecting plate 82 to clamp rear left longeron 5 ' and rear right vertical beam 6 ' simultaneously, thereby effectively prevent floor side member, that is to say the welding deformation of rear left longeron 5 ' and rear right vertical beam 6 ' and rear wheel cover assembly 2 '.Again further, described auxiliary support bar 9 comprises rotation section 91 and canned paragraph 92, and described rotation section 91 is connected and stretched into described canned paragraph 92 by screw thread 911; The equal ball pivot in end of described rotation section 91 and canned paragraph 92 is hinged with movable end 93; In described rotation section 91, be also provided with assister bar 94.Again further, on described the 5th connecting plate 82, be also provided with floor side member alignment pin 86, described floor side member alignment pin logical 86 is crossed the second link 87 and is fixed on the 5th connecting plate 82 1 sides.Like this, to floor side member, that is to say that left rear longitudinal beam 5 ' and right back longeron 6 ' are further spacing, prevent the play of floor side member, guarantee that the benchmark of floor side member is consistent with vehicle body design benchmark.
As shown in Figure 33 and Figure 34, front wall bulge assembly and rear wheel cover assembly clamping device 10 comprise pedestal 1001, described pedestal 1001 tops are provided with the 6th connecting plate 1002, described the 6th connecting plate 1002 tops are provided with the 5th pressing plate 1003, described the 5th pressing plate 1003 one end are connected with the 6th connecting plate 1002 by the 3rd bearing pin 1004, and described the 5th pressing plate 1003 can rotate around the 3rd bearing pin 1004; On described the 5th pressing plate 1003, be also provided with the 3rd swing arm 1005, described the 3rd swing arm 1005 is through described the 5th pressing plate 1003, and top is threaded with described the 6th connecting plate 1002; Between described the 5th pressing plate 1003 and pedestal 1001, be also provided with the 6th limited block 1006.Like this, the 5th pressing plate 1003 that unscrews and overturn, when falling after front wall bulge assembly 1 ' and rear wheel cover assembly 2 ', utilize the 6th limited block 1006 to locate, then the 5th pressing plate 1003 that overturns, screws the 3rd swing arm 1005, thereby compresses front wall bulge assembly 1 ' and rear wheel cover assembly 2 '.
Claims (10)
1. shellproof integral body floor welded method for tooling, it comprises the steps:
By first crossbeam and second cross beam orientation assemble; And left first crossbeam connection bracket, the right connection bracket of first crossbeam, the left connection bracket of second cross beam, the right connection bracket of second cross beam are assembled with first crossbeam and second cross beam respectively; By left front girder and front right longitudinal beam pre-determined bit, and it is flipped an angle to the inside, front wall bulge assembly is fallen, outwards upset left front girder and front right longitudinal beam, and left front girder and front right longitudinal beam are assembled with the left connection bracket of first crossbeam, the right connection bracket of first crossbeam, the left connection bracket of second cross beam, the right connection bracket of second cross beam; By front wall bulge assembly and left front girder and front right longitudinal beam welding, before welding, comprise the step of horizontal clamping left front girder and front right longitudinal beam, to prevent left front girder and front right longitudinal beam welding deformation; So far complete the frock of first half;
By the 3rd crossbeam and the 4th crossbeam orientation assemble; By the left connection bracket of the 3rd crossbeam, the right connection bracket of the 3rd crossbeam, the left connection bracket of the 4th crossbeam, the right connection bracket of the 4th crossbeam by left rear longitudinal beam and right back longeron and the 3rd crossbeam and the assembling of the 4th crossbeam; By rear wheel cover assembly and left rear longitudinal beam and right back longitudinal beam welding, before welding, comprise the step of horizontal clamping left rear longitudinal beam and right back longeron, to prevent left rear longitudinal beam and the distortion of right back longitudinal beam welding; So far complete the frock of latter half;
By first half and latter half butt welding tool.
2. shellproof integral body floor welded method for tooling according to claim 1, is characterized in that: described erection welding is to complete on a frock clamp.
3. shellproof integral body floor welded method for tooling according to claim 1, is characterized in that: above-mentioned be left and right front longitudinal and front wall bulge assembly to be welded by front wall bulge assembly and left front girder and front right longitudinal beam welding simultaneously; Above-mentioned is simultaneously by left and right floor side member and the welding of rear wheel cover assembly by rear wheel cover assembly and left rear longitudinal beam and right back longitudinal beam welding.
4. shellproof integral body floor welded frock clamp, comprises base plate, it is characterized in that: described base plate is provided with slide plate, between described slide plate and base plate, establishes slide rail;
Described base plate is provided with the front supporting member group that supports the each sub-unit of car body floor first half, and described front supporting member group is provided with prosodetic plane group;
On described base plate, be also provided with for first crossbeam and second cross beam being compressed and the front beam positioning compression device of location, and for by left front girder with front right longitudinal beam compresses and the front longitudinal upset positioning compression device of location;
Described slide plate is provided with the rear support part group that supports the each sub-unit of car body floor latter half, and described rear support part group is provided with rear confined planes group;
On described slide plate, be also provided with for the 3rd crossbeam and the 4th crossbeam being compressed and the rear cross beam positioning compression device of location;
At left front girder and the other front longitudinal auxiliary clamping device that is also provided with the distortion for preventing front longitudinal and the welding of front wall bulge assembly of front right longitudinal beam;
Between left rear longitudinal beam and right back longeron, be also provided with the floor side member auxiliary clamping device for preventing floor side member and rear wheel cover assembly welding deformation.
5. shellproof integral body floor welded frock clamp according to claim 4, is characterized in that: described front beam positioning compression device comprises front beam bearing, and front beam bearing bottom is connected with base plate, and top is provided with the first connecting plate and the first bearing; The first connecting plate and the first bearing top are provided with the first pressing plate; The first connecting plate is provided with the first guide pillar, and described the first guide pillar is through described the first pressing plate, and top is provided with the first compact heap, and described the first compact heap is connected with the first guide pillar screw top; Between described the first pressing plate and the first bearing, be provided with the first latch; Described the first bearing is provided with the first locating piece.
6. shellproof integral body floor welded frock clamp according to claim 4, it is characterized in that: described front longitudinal upset positioning compression device comprises front longitudinal bearing, front longitudinal bearing bottom is connected with base plate, and top is provided with the second connecting plate and the second bearing; The second bearing is connected with second pressing plate one end by the first bearing pin, and described the second pressing plate swings between the second connecting plate and the second bearing around described the first bearing pin; Described the second bearing is provided with the first push rod for withstanding front longitudinal, and described the first push rod is threaded with described the second bearing; Described the second connecting plate is provided with the first swing arm, and described the first swing arm is threaded with described the second connecting plate; Described the first swing arm top contacts with described the second pressing plate; Described the second bearing is provided with the second locating piece.
7. shellproof integral body floor welded frock clamp according to claim 4, is characterized in that: described rear cross beam positioning compression device comprises rear cross beam bearing, and rear cross beam bearing bottom is connected with slide plate, and top is provided with the 3rd connecting plate and the 3rd bearing; The 3rd connecting plate and the 3rd bearing top are provided with the 3rd pressing plate; The 3rd connecting plate is provided with the second guide pillar, and described the second guide pillar is through described the 3rd pressing plate, and top is provided with the second compact heap, and described the second compact heap is connected with the second guide pillar screw top; Between described the 3rd pressing plate and the 3rd bearing, be provided with the second latch; Described rear cross beam bearing top is also provided with the 3rd locating piece, and described the 3rd locating piece is provided with rear cross beam alignment pin, and described rear cross beam alignment pin is parallel with described the second latch.
8. shellproof integral body floor welded frock clamp according to claim 4, it is characterized in that: described front longitudinal auxiliary clamping device comprises front longitudinal auxiliary support, front longitudinal auxiliary support bottom is connected with slide plate, and top is provided with the 4th connecting plate and the 4th bearing; The 4th bearing is connected with the 4th pressing plate one end by the second bearing pin, and described the 4th pressing plate swings between the 4th connecting plate and the 4th bearing around described the second bearing pin; Described the 4th connecting plate is provided with the second swing arm, and described the second swing arm is threaded with described the 4th connecting plate; Described the second swing arm top contacts with described the 4th pressing plate; Described the 4th bearing top is provided with the 4th locating piece.
9. shellproof integral body floor welded frock clamp according to claim 4, is characterized in that: floor side member auxiliary clamping device comprises floor side member auxiliary support and telescopic auxiliary support bar; Described floor side member auxiliary support bottom is connected with slide plate, and top is provided with the 5th connecting plate, and described the 5th connecting plate is provided with opening, and two faces of described opening are provided with the 5th limited block and the 6th limited block; Described auxiliary support bar is between the 6th relative locating piece.
10. shellproof integral body floor welded frock clamp according to claim 4, it is characterized in that: on described base plate and slide plate, be equipped with front wall bulge assembly and rear wheel cover assembly clamping device, described front wall bulge assembly and rear wheel cover assembly clamping device comprise pedestal, described pedestal top is provided with the 6th connecting plate, described the 6th connecting plate top is provided with the 5th pressing plate, described the 5th pressing plate one end is connected with the 6th connecting plate by the 3rd bearing pin, and described the 5th pressing plate can rotate around the 3rd bearing pin; On described the 5th pressing plate, be also provided with the 3rd swing arm, described the 3rd swing arm is through described the 5th pressing plate, and top is threaded with described the 6th connecting plate; Between described the 5th pressing plate and pedestal, be also provided with the 6th limited block.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410039617.4A CN103817475B (en) | 2014-01-27 | 2014-01-27 | Shellproof integral body floor welded method for tooling and frock clamp thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410039617.4A CN103817475B (en) | 2014-01-27 | 2014-01-27 | Shellproof integral body floor welded method for tooling and frock clamp thereof |
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| CN103817475A true CN103817475A (en) | 2014-05-28 |
| CN103817475B CN103817475B (en) | 2015-09-16 |
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| CN113548115A (en) * | 2021-06-30 | 2021-10-26 | 东风越野车有限公司 | Rear wheel cover assembly of bearing type military off-road vehicle and welding method thereof |
| CN114378515A (en) * | 2021-12-31 | 2022-04-22 | 东风越野车有限公司 | Bearing type military off-road vehicle rear wheel cover welding clamp system and method |
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| CN114378515B (en) * | 2021-12-31 | 2023-06-16 | 东风越野车有限公司 | Rear wheel cover welding fixture system and method for bearing type military off-road vehicle |
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| CN103817475B (en) | 2015-09-16 |
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Effective date of registration: 20170613 Address after: 442000 Shiyan City, Hubei province Zhangwan District Industrial District A District Road No. 1 building. Patentee after: Dongfeng Off-road Vehicle Co., Ltd. Address before: 430056 Wuhan economic and Technological Development Zone, Hubei Province, Dongfeng Road, No. 1, No. Patentee before: Dongfeng Car Co. |