CN116038207A - Welding fixture integrating side wall inner plate B column, cross beam and top cross beam end - Google Patents
Welding fixture integrating side wall inner plate B column, cross beam and top cross beam end Download PDFInfo
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- CN116038207A CN116038207A CN202211488818.3A CN202211488818A CN116038207A CN 116038207 A CN116038207 A CN 116038207A CN 202211488818 A CN202211488818 A CN 202211488818A CN 116038207 A CN116038207 A CN 116038207A
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- 238000003466 welding Methods 0.000 title claims abstract description 55
- 230000007246 mechanism Effects 0.000 claims abstract description 1025
- 238000003825 pressing Methods 0.000 claims abstract description 958
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000003754 machining Methods 0.000 abstract description 2
- 230000006835 compression Effects 0.000 description 14
- 238000007906 compression Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 4
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- 238000012986 modification Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/006—Vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The invention aims to provide a welding fixture integrating a B column, a cross beam and a top cross beam end of a side wall inner plate, which is used for solving the problems that the existing welding fixture is complex in clamping steps and affects the machining efficiency; the welding is carried out in pairs, and the clamping and positioning are needed for multiple times, so that the problem of large clamping error and influence on welding precision is solved. The first pressing mechanism combination, the seventh pressing mechanism combination and the eighth positioning mechanism combination are connected with the bottom frame through bolts; when the B column, the cross beam and the top cross beam are positioned and clamped, firstly, the B column is tightly pressed by the first pressing mechanism combination; secondly, the end heads of the cross beam and the top cross beam are pressed under the driving of a fifth pressing mechanism; after the steps are completed, the butt joint between the cross beam and the top cross beam end is pressed and welded. The invention has simple structure and convenient operation, and the welding of the B column, the cross beam and the top cross beam end of the side wall inner plate is completed by using one set of welding fixture, thereby saving the space of the production site, greatly reducing the matched equipment of the fixture and reducing the project cost.
Description
Technical Field
The invention designs a side wall welding fixture, in particular relates to a welding fixture integrating a side wall inner plate B column, a cross beam and a top cross beam end, and belongs to the technical field of automobile part welding fixtures.
Background
With the development of social progress and economy, the automobile industry is rapidly developing, the automobile is used as the most important transportation means in the city, the demand of the automobile is continuously increasing, and in order to meet the huge demand, automobile manufacturers are continuously innovating the technology, so that the automobile industry is continuously pursued with high intelligence, high quality and high efficiency. The automobile side wall is a key part of automobile body manufacture, and the manufacture welding quality directly influences the appearance and performance of the automobile.
The B column, the cross beam and the top cross beam end in the side wall are taken as indispensable components in the side wall of the automobile, the main function of the side wall is to bear side impact, and as the side surface of the automobile body does not have enough crumple energy absorption areas, the side wall is particularly important for welding the B column, the cross beam and the top cross beam end, and the welding in the past is divided into two-by-two welding, so that the following defects are generated: firstly, the welding precision is insufficient and the welding speed is slower due to the split welding of every two; secondly, the welding efficiency is low, a plurality of welding clamps are required to be matched to finish the welding of the ends of the B column, the cross beam and the top cross beam, and the manufacturing cost is increased; therefore, the improvement of the yield is the step of the era while the quality is ensured, and the traditional fixture clamp can not meet the requirements of high intelligence, high quality, high efficiency and the like. Therefore, the butt welding fixture is required to be high in precision, accurate in positioning and the like, and can be rapidly clamped, so that the processing time is saved. In view of this, a welding fixture integrating the side wall inner panel B post, the cross beam and the top cross beam ends is an urgent need in the industry.
Disclosure of Invention
The invention aims to provide a welding fixture integrating a B column, a cross beam and a top cross beam end of a side wall inner plate, which is used for solving the problems that the existing welding fixture is complex in clamping steps and affects the machining efficiency; the welding is carried out in pairs, and the clamping and positioning are needed for multiple times, so that the problem of large clamping error and influence on welding precision is solved.
The invention solves the technical problems by adopting the following technical scheme:
a welding fixture integrating side wall inner plate B column, cross beam and top cross beam end head comprises: the bottom frame 1, the first pressing mechanism combination 2, the second pressing mechanism combination 3, the third pressing mechanism combination 4, the fourth pressing mechanism combination 5, the fifth pressing mechanism combination 6, the sixth pressing mechanism combination 7, the seventh pressing mechanism combination 8 and the eighth positioning mechanism combination 9, wherein the first pressing mechanism base I205 and the first pressing mechanism base II 209 in the first pressing mechanism combination 2, the second pressing mechanism base I302 in the second pressing mechanism combination 3, the third pressing mechanism base I411 and the third pressing mechanism base II 412 in the third pressing mechanism combination 4, the fourth pressing mechanism base I508 in the fourth pressing mechanism combination 5, the fourth pressing mechanism base II 516 and the fourth pressing mechanism base III 517, the fifth pressing mechanism base I601 and the fifth positioning mechanism base II 608 in the fifth pressing mechanism combination 6, the sixth pressing mechanism base 701 in the sixth pressing mechanism combination 7, the seventh pressing mechanism base 801 and the eighth positioning mechanism base 801 in the seventh pressing mechanism combination 8 and the eighth positioning mechanism base 801 in the eighth positioning mechanism combination 9 are connected with the bottom plate 901 in the bottom frame 1 through bolts 101; when the positioning and clamping are performed on the ends of the B column, the cross beam and the top cross beam, firstly, after the positioning holes on the B column are matched with the positioning pins 310 of the second pressing mechanism, the B column is pressed through the first pressing mechanism combination 2 and the second pressing mechanism combination 3; secondly, the cross beam is positioned by a third pressing mechanism positioning pin 414, and the cross beam is supported by a third pressing mechanism lower profiling block I402, a third pressing mechanism lower profiling block II 407 and a third pressing mechanism lower profiling block V419; secondly, after the third pressing mechanism positioning cylinder 409 is used for positioning and calibrating again, finally, the third pressing mechanism upper profiling block I403, the third pressing mechanism upper profiling block II 405, the third pressing mechanism upper profiling block III 406 and the third pressing mechanism upper profiling block V418 are pressed under the driving of the third pressing mechanism cylinder I401 and the third pressing mechanism cylinder II 420; thirdly, positioning the top beam end by a sixth pressing mechanism positioning pin I705 and a sixth pressing mechanism positioning pin II 706, and pressing the beam and the top beam end under the driving of a fifth pressing mechanism cylinder I602, a fifth pressing mechanism cylinder II 614 and a seventh pressing mechanism cylinder 806; after the steps are completed, the butt joint between the cross beam and the top cross beam end is pressed and welded.
The bottom frame 1 consists of a bottom plate 101, a part supporting frame 102 and universal wheels 103, wherein the bottom plate 101 is connected with the bottom supporting frame 102 through bolts, and the bottom supporting frame 102 is connected with the universal wheels 103 through bolts; the bottom support frame 102 is formed by welding rectangular steel.
The first pressing mechanism combination 2 consists of a first pressing mechanism cylinder I201, a first pressing mechanism pressing rod I202, a first pressing mechanism upper profiling block I203, a first pressing mechanism lower profiling block I204, a first pressing mechanism base I205, a first pressing mechanism pressing rod II 206, a first pressing mechanism upper profiling block II 207, a first pressing mechanism lower profiling block II 208, a first pressing mechanism base II 209 and a first pressing mechanism cylinder II 210, wherein the first pressing mechanism cylinder I201 is connected with the first pressing mechanism pressing rod I202 through bolts, the two first pressing mechanism upper profiling blocks I203 are connected with the first pressing mechanism pressing rod I202 through bolts, the two first pressing mechanism lower profiling blocks I204 are connected with the first pressing mechanism base I205 through bolts, the first pressing mechanism cylinder I201 is connected with the first pressing mechanism base I205 through bolts, the first pressing mechanism pressing rod II 206 is connected with the first pressing mechanism cylinder II through bolts, the two first pressing mechanism upper profiling blocks II 207 are connected with the first pressing mechanism pressing rod II 206 through the first pressing mechanism II connecting blocks, and the first pressing mechanism II is connected with the first pressing mechanism base II through the first pressing mechanism II through bolts 209 through the first pressing mechanism II connecting bolts; the lengths of the first pressing mechanism pressing rod I202 and the first pressing mechanism pressing rod II 206 are different, so that B columns meeting different widths are pressed.
The second pressing mechanism combination 3 consists of a second pressing mechanism cylinder 301, a second pressing mechanism base I302, a second pressing mechanism lower profiling block I303, a second pressing mechanism connecting rod I304, a second pressing mechanism upper profiling block I305, a second pressing mechanism base II 306, a second pressing mechanism telescopic cylinder 307, a second pressing mechanism connecting rod II 308, a second pressing mechanism lower profiling block II 309, a second pressing mechanism positioning pin 310 and a second pressing mechanism upper profiling block II 311, wherein the second pressing mechanism cylinder 301 is connected with the second pressing mechanism connecting rod I304 through a bolt, the second pressing mechanism upper profiling block I305 and the second pressing mechanism upper profiling block II 311 are connected with the second pressing mechanism connecting rod I304 through a bolt, the second pressing mechanism cylinder 301 is connected with the second pressing mechanism base I302 through a bolt, the second pressing mechanism lower profiling block I303 is connected with the second pressing mechanism base I302 through a bolt, the second pressing mechanism base II 306 is connected with the second pressing mechanism telescopic cylinder 307 through a bolt, the second pressing mechanism telescopic cylinder 307 is connected with the second pressing mechanism II through a second connecting rod 308 through a second pressing mechanism II, and the second pressing mechanism lower profiling block II is connected with the second positioning pin 309 through a second pressing mechanism II; the second pressing mechanism positioning pin 310 is lifted and lowered through the second pressing mechanism telescopic cylinder 307 to position the B column; and the second pressing mechanism upper profiling block I305 is matched with the second pressing mechanism lower profiling block II 309, and the second pressing mechanism lower profiling block I303 is matched with the second pressing mechanism upper profiling block II 311 to clamp the B column.
When the B column is positioned and clamped, the positioning hole on the B column is matched with the positioning pin 310 of the second pressing mechanism, and then the B column is pressed by the first pressing mechanism combination 2 and the second pressing mechanism combination 3.
The third pressing mechanism combination 4 consists of a third pressing mechanism cylinder I401, a third pressing mechanism lower profiling block I402, a third pressing mechanism upper profiling block I403, a third pressing mechanism connecting rod I404, a third pressing mechanism upper profiling block II 405, a third pressing mechanism upper profiling block III 406, a third pressing mechanism lower profiling block II 407, a third pressing mechanism lower profiling block III 408, a third pressing mechanism positioning cylinder 409, a third pressing mechanism connecting seat 410, a third pressing mechanism base I411, a third pressing mechanism base II 412, a third pressing mechanism connecting rod II 413, a third pressing mechanism positioning pin 414, a third pressing mechanism lower profiling block IV 415, a third pressing mechanism upper profiling block IV 416, a third pressing mechanism connecting rod III 417, a third pressing mechanism upper profiling block V418, a third pressing mechanism lower profiling block V419 and a third pressing mechanism cylinder II 420, wherein the third pressing mechanism cylinder I401 is connected with the third pressing mechanism base I411 through bolts, the third pressing mechanism connecting rod I404 is connected with the third pressing mechanism cylinder I401 through the third pressing mechanism connecting block I connecting seat 410, the third pressing mechanism lower profiling block I connecting seat 410 is connected with the third pressing mechanism II through the third pressing mechanism connecting rod I connecting seat 410 through the third pressing mechanism connecting rod I411; the third pressing mechanism connecting rod II 413, the third pressing mechanism lower profiling block IV 415 and the third pressing mechanism lower profiling block V419 are connected with the third pressing mechanism base II 412 through bolts, the third pressing mechanism positioning pin 414 is connected with the third pressing mechanism connecting rod II 413 through threads, the third pressing mechanism upper profiling block IV 416 and the third pressing mechanism upper profiling block V418 are connected with the third pressing mechanism connecting rod III 417 through bolts, the third pressing mechanism connecting rod III 417 is connected with the third pressing mechanism cylinder II 420 through bolts, and the third pressing mechanism base II 412 is connected with the third pressing mechanism cylinder II 420 through bolts; when the beam is compressed, firstly, the beam is positioned by a manipulator on a third compressing mechanism positioning pin 414, and the beam is supported by a third compressing mechanism lower profiling block I402, a third compressing mechanism lower profiling block II 407 and a third compressing mechanism lower profiling block V419; secondly, after the third pressing mechanism positioning cylinder 409 is used for positioning and calibrating again, finally, the third pressing mechanism upper profiling block I403, the third pressing mechanism upper profiling block II 405, the third pressing mechanism upper profiling block III 406 and the third pressing mechanism upper profiling block V418 are pressed under the driving of the third pressing mechanism cylinder I401 and the third pressing mechanism cylinder II 420.
The fourth pressing mechanism combination 5 consists of a fourth pressing mechanism cylinder I501, a fourth pressing mechanism connecting rod I502, a fourth pressing mechanism upper profiling block I503, a fourth pressing mechanism lower profiling block I504, a fourth pressing mechanism upper profiling block II 505, a fourth pressing mechanism lower profiling block II 506, a fourth pressing mechanism connecting rod II 507, a fourth pressing mechanism base I508, a fourth pressing mechanism cylinder II 509, a fourth pressing mechanism lower profiling block III 510, a fourth pressing mechanism upper profiling block III 511, a fourth pressing mechanism connecting rod III 512, a fourth pressing mechanism upper profiling block IV 513, a fourth pressing mechanism lower profiling block IV 514, a fourth pressing mechanism connecting rod IV 515, a fourth pressing mechanism base II 516, a fourth pressing mechanism base III 517, a fourth pressing mechanism connecting rod V518 and a fourth pressing mechanism locating pin 519, wherein the fourth pressing mechanism connecting rod I502 is connected with the fourth pressing mechanism cylinder I501 through a bolt, the fourth pressing mechanism upper profiling block I503 and the fourth pressing mechanism connecting rod I504 are connected with the fourth pressing mechanism base I through a fourth pressing mechanism connecting rod II through a fourth pressing mechanism connecting bolt 508, and the fourth pressing mechanism base I is connected with the fourth pressing mechanism II through the fourth pressing mechanism connecting rod II 508 through the fourth pressing mechanism connecting rod II; the fourth pressing mechanism cylinder II 509 is connected with the fourth pressing mechanism base II 516 through a bolt, the fourth pressing mechanism connecting rod III 512 is connected with the fourth pressing mechanism cylinder II 509 through a bolt, the fourth pressing mechanism upper profiling block III 511 and the fourth pressing mechanism upper profiling block IV 513 are connected with the fourth pressing mechanism connecting rod III 512 through bolts, the fourth pressing mechanism lower profiling block III 510 and the fourth pressing mechanism connecting rod IV 515 are connected with the fourth pressing mechanism base II 516 through bolts, and the fourth pressing mechanism lower profiling block IV 514 and the fourth pressing mechanism connecting rod IV 515 are connected through bolts; the fourth pressing mechanism connecting rod V518 is connected with the fourth pressing mechanism base III 517 through a bolt, and the fourth pressing mechanism locating pin 519 is connected with the fourth pressing mechanism connecting rod V518 through threads; when the beam is clamped, the beam is positioned by the fourth pressing mechanism positioning pin 519, and is supported by matching with the fourth pressing mechanism lower profiling block I504, the fourth pressing mechanism lower profiling block II 506, the fourth pressing mechanism lower profiling block III 510 and the fourth pressing mechanism lower profiling block IV 514, and finally the fourth pressing mechanism upper profiling block I503, the fourth pressing mechanism upper profiling block II 505, the fourth pressing mechanism upper profiling block III 511 and the fourth pressing mechanism upper profiling block IV 513 are driven by the fourth pressing mechanism cylinder I501 and the fourth pressing mechanism cylinder II 509.
The fifth pressing mechanism combination 6 is composed of a fifth pressing mechanism base I601, a fifth pressing mechanism cylinder I602, a fifth pressing mechanism connecting rod I603, a fifth pressing mechanism upper profiling block I604, a fifth pressing mechanism upper profiling block II 605, a fifth pressing mechanism lower profiling block I606, a fifth pressing mechanism connecting seat 607, a fifth pressing mechanism base II 608, a fifth pressing mechanism connecting rod II 609, a fifth pressing mechanism lower profiling block II 610, a fifth pressing mechanism upper profiling block III 611, a fifth pressing mechanism connecting rod III 612, a fifth pressing mechanism upper profiling block IV 613, a fifth pressing mechanism cylinder II 614, a fifth pressing mechanism lower profiling block III 615 and a fifth pressing mechanism telescopic cylinder 616, wherein the fifth pressing mechanism base I601 is connected with the fifth pressing mechanism cylinder I602 through bolts, the fifth pressing mechanism connecting rod I603 is connected with the fifth pressing mechanism cylinder I602 through bolts, the fifth pressing mechanism upper profiling block I604 and the fifth pressing mechanism upper profiling block II 605 are connected with the fifth pressing mechanism connecting rod I603 through bolts, and the fifth pressing mechanism lower profiling block I607 and the fifth pressing mechanism connecting seat 607 are connected with the fifth pressing mechanism base I601 through the fifth pressing mechanism connecting seat; the fifth pressing mechanism connecting rod II 609, the fifth pressing mechanism cylinder II 614 and the fifth pressing mechanism telescopic cylinder 616 are connected with the fifth pressing mechanism base II 608 through bolts, the lower profiling block II 610 of the fifth pressing mechanism is connected with the fifth pressing mechanism connecting rod II 609 through bolts, the upper profiling block III 611 of the fifth pressing mechanism and the upper profiling block IV 613 of the fifth pressing mechanism are connected with the fifth pressing mechanism connecting rod III 612 through bolts, and the lower profiling block III 615 of the fifth pressing mechanism is connected with the fifth pressing mechanism telescopic cylinder 616 through bolts.
The sixth pressing mechanism combination 7 is composed of a sixth pressing mechanism base 701, a sixth pressing mechanism telescopic cylinder 702, a sixth pressing mechanism connecting plate 703, a sixth pressing mechanism connecting rod I704, a sixth pressing mechanism locating pin I705, a sixth pressing mechanism locating pin II 706, a sixth pressing mechanism connecting rod II 707 and a sixth pressing mechanism upper profiling block 708, wherein the sixth pressing mechanism telescopic cylinder 702 is connected with the sixth pressing mechanism base 701 through bolts, the sixth pressing mechanism connecting plate 703 is connected with the sixth pressing mechanism telescopic cylinder 702 through bolts, the sixth pressing mechanism connecting rod I704, the sixth pressing mechanism connecting rod II 707 and the sixth pressing mechanism upper profiling block 708 are connected with the sixth pressing mechanism connecting plate 703 through bolts, the sixth pressing mechanism locating pin I705 is connected with the sixth pressing mechanism connecting rod I through threads, and the sixth pressing mechanism locating pin II 706 is connected with the sixth pressing mechanism connecting rod II 707 through threads; the sixth pressing mechanism locating pin I705, the sixth pressing mechanism locating pin II 706 and the profiling block 708 on the sixth pressing mechanism are driven by the sixth pressing mechanism telescopic cylinder 702 to realize the positioning of the end head of the top beam, and the sixth pressing mechanism telescopic cylinder 702 can be retracted and extended according to the process of putting in and taking out a welded piece, so that the workpiece is prevented from being scratched, and the welding precision requirement of the workpiece are affected.
The seventh pressing mechanism combination 8 is composed of a seventh pressing mechanism base 801, a seventh pressing mechanism lower profiling block I802, a seventh pressing mechanism lower profiling block II 803, a seventh pressing mechanism upper profiling block 804, a seventh pressing mechanism connecting rod 805, a seventh pressing mechanism cylinder 806, a seventh pressing mechanism telescopic cylinder 807, a seventh pressing mechanism connecting plate I808 and a seventh pressing mechanism connecting plate II 809, wherein the seventh pressing mechanism lower profiling block I802, the seventh pressing mechanism lower profiling block II 803, the seventh pressing mechanism cylinder 806 and the seventh pressing mechanism connecting plate II 809 are connected with the seventh pressing mechanism connecting plate I808 through bolts, the seventh pressing mechanism connecting plate II 809 is connected with the seventh pressing mechanism base 801 through pins, the seventh pressing mechanism telescopic cylinder 807 is connected with the seventh pressing mechanism base 801 and the seventh pressing mechanism connecting plate I808 through pins, the seventh pressing mechanism connecting rod 805 is connected with the seventh pressing mechanism cylinder 806 through bolts, and the seventh pressing mechanism upper profiling block 804 is connected with the seventh pressing mechanism connecting rod 805 through bolts; the seventh pressing mechanism base 801, the seventh pressing mechanism telescopic cylinder 807, the seventh pressing mechanism connecting plate I808 and the seventh pressing mechanism connecting plate II 809 form a four-bar mechanism, and the angle control is realized by welding the top beam end through the four-bar mechanism, so that the matching of top beams of different vehicle types and the top beam end is realized.
When the butt joint welding of the butt joint beam and the top beam end is performed, firstly, the beam is put into a fifth pressing mechanism lower profiling block I606 and a fifth pressing mechanism lower profiling block III 615 in a fifth pressing mechanism combination 6; secondly, positioning the end head of the top beam through a sixth pressing mechanism positioning pin I705 and a sixth pressing mechanism positioning pin II 706; thirdly, the beam and the top beam end are compressed under the drive of a fifth compression mechanism cylinder I602, a fifth compression mechanism cylinder II 614 and a seventh compression mechanism cylinder 806 through a profiling block II 605 on the fifth compression mechanism, a profiling block III 611 on the fifth compression mechanism, a profiling block IV 613 on the fifth compression mechanism and a profiling block 804 on the seventh compression mechanism; finally, a four-bar mechanism is formed by a seventh pressing mechanism base 801, a seventh pressing mechanism telescopic cylinder 807, a seventh pressing mechanism connecting plate I808 and a seventh pressing mechanism connecting plate II 809 to press the end head of the top beam according to the actual swing angle requirement; after the steps are completed, the butt joint between the cross beam and the top cross beam end is pressed and welded.
The eighth positioning mechanism combination 9 is composed of an eighth positioning mechanism base 901, an eighth positioning mechanism connecting seat 902, an eighth positioning cylinder 903 and an eighth positioning mechanism connecting plate 904, wherein the eighth positioning mechanism base 901 is connected with the eighth positioning mechanism connecting seat 902 through bolts, the eighth positioning mechanism connecting seat 902 is connected with the eighth positioning cylinder 903 through bolts, and the eighth positioning mechanism connecting plate 904 is respectively connected with the eighth positioning mechanism base 901 and the eighth positioning mechanism connecting seat 902 through bolts; the eighth positioning mechanism connecting plate 904 can be selectively used according to positioning requirements; the eighth positioning mechanism base 901 can be replaced according to the positioning angle and the positioning height.
The welding fixture adopts three eighth positioning mechanisms to form an eighth positioning mechanism combination 9, thereby meeting the positioning of the welded workpiece.
The invention has the advantages and positive effects that:
the invention has simple structure and convenient operation, and the welding of the B column, the cross beam and the top cross beam end of the side wall inner plate is completed by using one set of welding clamps, thereby saving the space of the production site, greatly reducing the matched equipment of the clamps and lowering the project cost; each positioning unit can be repeatedly disassembled and used, and can be used for the post-modification equipment to store the purchased products, so that the purchasing period of the purchased products of the post-modification equipment is saved, and the molding period of the whole equipment is shortened.
Drawings
FIG. 1 is a schematic structural view of a welding fixture integrating side wall inner plate B columns, cross beams and top cross beam ends;
FIG. 2 is a schematic view of the installation of the eighth positioning mechanism assembly 9 of FIG. 1;
FIG. 3 is a schematic view of the assembly of the side body inner panel B-pillar, cross-beam and top cross-beam ends;
fig. 4 is a schematic view of the structure of the bottom frame 1 in fig. 1;
FIG. 5 is a schematic view of the first pressing mechanism assembly 2 of FIG. 1;
FIG. 6 is a schematic view of the second pressing mechanism assembly 3 of FIG. 1;
FIG. 7 is a schematic diagram of the assembly of the first and second hold-down mechanism assemblies 2, 3 with the B-pillar;
Fig. 8 and 9 are schematic structural views of the third pressing mechanism assembly 4 in fig. 1;
fig. 10 is a schematic diagram of the assembly of the third pressing mechanism combination 4 with the cross beam;
fig. 11, 12 and 13 are schematic structural views of the fourth pressing mechanism assembly 5 in fig. 1;
fig. 14 is a schematic diagram of the assembly of the fourth pressing mechanism combination 5 with the cross beam;
fig. 15 and 16 are schematic structural views of the fifth pressing mechanism assembly 6 in fig. 1;
FIG. 17 is a schematic view of the sixth pressing mechanism 7 of FIG. 1;
FIG. 18 is a schematic view of the seventh pressing mechanism assembly 8 of FIG. 1;
fig. 19 is a schematic diagram of the assembly of the fifth pressing mechanism combination 6, the sixth pressing mechanism combination 7, and the seventh pressing mechanism combination 8 with the cross beam and the top cross beam end;
FIG. 20 is a schematic view of the eighth positioning mechanism 9 of FIG. 1;
FIG. 21 is a schematic view of the assembly of the eighth positioning mechanism assembly 9 with the B-pillar and cross beam;
Detailed Description
Embodiments of the invention are described in further detail below with reference to the attached drawing figures:
1. referring to fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20 and 21, a welding fixture integrating side inner panel B posts, beams and top beam ends in this embodiment comprises: the bottom frame 1, the first pressing mechanism combination 2, the second pressing mechanism combination 3, the third pressing mechanism combination 4, the fourth pressing mechanism combination 5, the fifth pressing mechanism combination 6, the sixth pressing mechanism combination 7, the seventh pressing mechanism combination 8 and the eighth positioning mechanism combination 9, wherein the first pressing mechanism base I205 and the first pressing mechanism base II 209 in the first pressing mechanism combination 2, the second pressing mechanism base I302 in the second pressing mechanism combination 3, the third pressing mechanism base I411 and the third pressing mechanism base II 412 in the third pressing mechanism combination 4, the fourth pressing mechanism base I508 in the fourth pressing mechanism combination 5, the fourth pressing mechanism base II 516 and the fourth pressing mechanism base III 517, the fifth pressing mechanism base I601 and the fifth positioning mechanism base II 608 in the fifth pressing mechanism combination 6, the sixth pressing mechanism base 701 in the sixth pressing mechanism combination 7, the seventh pressing mechanism base 801 and the eighth positioning mechanism base 801 in the seventh pressing mechanism combination 8 and the eighth positioning mechanism base 801 in the eighth positioning mechanism combination 9 are connected with the bottom plate 901 in the bottom frame 1 through bolts 101; when the positioning and clamping are performed on the ends of the B column, the cross beam and the top cross beam, firstly, after the positioning holes on the B column are matched with the positioning pins 310 of the second pressing mechanism, the B column is pressed through the first pressing mechanism combination 2 and the second pressing mechanism combination 3; secondly, the cross beam is positioned by a third pressing mechanism positioning pin 414, and the cross beam is supported by a third pressing mechanism lower profiling block I402, a third pressing mechanism lower profiling block II 407 and a third pressing mechanism lower profiling block V419; secondly, after the third pressing mechanism positioning cylinder 409 is used for positioning and calibrating again, finally, the third pressing mechanism upper profiling block I403, the third pressing mechanism upper profiling block II 405, the third pressing mechanism upper profiling block III 406 and the third pressing mechanism upper profiling block V418 are pressed under the driving of the third pressing mechanism cylinder I401 and the third pressing mechanism cylinder II 420; thirdly, positioning the top beam end by a sixth pressing mechanism positioning pin I705 and a sixth pressing mechanism positioning pin II 706, and pressing the beam and the top beam end under the driving of a fifth pressing mechanism cylinder I602, a fifth pressing mechanism cylinder II 614 and a seventh pressing mechanism cylinder 806; after the steps are completed, the butt joint between the cross beam and the top cross beam end is pressed and welded.
2. Referring to fig. 4, the bottom frame 1 is composed of a bottom plate 101, a part supporting frame 102 and universal wheels 103, wherein the bottom plate 101 is connected with the bottom supporting frame 102 through bolts, and the bottom supporting frame 102 is connected with the universal wheels 103 through bolts; the bottom support frame 102 is formed by welding rectangular steel.
3. Referring to fig. 5, the first pressing mechanism assembly 2 is composed of a first pressing mechanism cylinder i 201, a first pressing mechanism pressing rod i 202, a first pressing mechanism upper profiling block i 203, a first pressing mechanism lower profiling block i 204, a first pressing mechanism base i 205, a first pressing mechanism pressing rod ii 206, a first pressing mechanism upper profiling block ii 207, a first pressing mechanism lower profiling block ii 208, a first pressing mechanism base ii 209 and a first pressing mechanism cylinder ii 210, wherein the first pressing mechanism cylinder i 201 is connected with the first pressing mechanism pressing rod i 202 through a bolt, the two first pressing mechanism upper profiling blocks i 203 are connected with the first pressing mechanism pressing rod i 202 through bolts, the two first pressing mechanism lower profiling blocks i 204 are connected with the first pressing mechanism base i 205 through bolts, the first pressing mechanism cylinder i 201 is connected with the first pressing mechanism base i 205 through bolts, the first pressing mechanism pressing rod ii 206 is connected with the first pressing mechanism cylinder ii 210 through bolts, the two first pressing mechanism upper profiling blocks ii 207 are connected with the first pressing mechanism pressing rod ii 206 through the first pressing mechanism ii 209 through the first pressing mechanism ii connecting bolts ii and the first pressing mechanism base ii 209; the lengths of the first pressing mechanism pressing rod I202 and the first pressing mechanism pressing rod II 206 are different, so that B columns meeting different widths are pressed.
4. Referring to fig. 6 and 7, the second pressing mechanism assembly 3 is composed of a second pressing mechanism cylinder 301, a second pressing mechanism base i 302, a second pressing mechanism lower profiling block i 303, a second pressing mechanism connecting rod i 304, a second pressing mechanism upper profiling block i 305, a second pressing mechanism base ii 306, a second pressing mechanism telescopic cylinder 307, a second pressing mechanism connecting rod ii 308, a second pressing mechanism lower profiling block ii 309, a second pressing mechanism positioning pin 310 and a second pressing mechanism upper profiling block ii 311, wherein the second pressing mechanism cylinder 301 is connected with the second pressing mechanism connecting rod i 304 through a bolt, the second pressing mechanism upper profiling block i 305 and the second pressing mechanism upper profiling block ii 311 are connected with the second pressing mechanism connecting rod i through a bolt, the second pressing mechanism cylinder 301 is connected with the second pressing mechanism base i 302 through a bolt, the second pressing mechanism lower profiling block i 303 is connected with the second pressing mechanism base i 302 through a bolt, the second pressing mechanism base ii 306 is connected with the second pressing mechanism telescopic cylinder 307 through a bolt, the second pressing mechanism ii 307 is connected with the second pressing mechanism lower profiling block ii through a second positioning pin 309 through a second pressing mechanism ii, and the second pressing mechanism ii is connected with the second pressing mechanism lower profiling block ii through a second positioning pin 309; the second pressing mechanism positioning pin 310 is lifted and lowered through the second pressing mechanism telescopic cylinder 307 to position the B column; the second pressing mechanism upper profiling block I305 is matched with the second pressing mechanism lower profiling block II 309, the second pressing mechanism lower profiling block I303 is matched with the second pressing mechanism upper profiling block II 311 to clamp the B column;
When the B column is positioned and clamped, the positioning hole on the B column is matched with the positioning pin 310 of the second pressing mechanism, and then the B column is pressed by the first pressing mechanism combination 2 and the second pressing mechanism combination 3.
5. Referring to fig. 8-10, the third pressing mechanism combination 4 is composed of a third pressing mechanism cylinder i 401, a third pressing mechanism lower profiling block i 402, a third pressing mechanism upper profiling block i 403, a third pressing mechanism connecting rod i 404, a third pressing mechanism upper profiling block ii 405, a third pressing mechanism upper profiling block iii 406, a third pressing mechanism lower profiling block ii 407, a third pressing mechanism lower profiling block iii 408, a third pressing mechanism positioning cylinder 409, a third pressing mechanism connecting seat 410, a third pressing mechanism base i 411, a third pressing mechanism base ii 412, a third pressing mechanism connecting rod ii 413, a third pressing mechanism positioning pin 414, a third pressing mechanism lower profiling block iv 415, a third pressing mechanism upper profiling block iv 416, a third pressing mechanism connecting rod iii 417, a third pressing mechanism upper profiling block v 418, a third pressing mechanism lower profiling block v 419 and a third pressing mechanism cylinder ii 420, wherein the third pressing mechanism cylinder i 401 is connected with the third pressing mechanism base i 408 through bolts, the third pressing mechanism connecting rod i 404 is connected with the third pressing mechanism lower profiling block i 403 through the third pressing mechanism connecting block i 403 and the third pressing mechanism lower profiling block i 410 through the third pressing mechanism connecting seat i connecting the third pressing mechanism ii 403 through the third pressing mechanism connecting rod i 411; the third pressing mechanism connecting rod II 413, the third pressing mechanism lower profiling block IV 415 and the third pressing mechanism lower profiling block V419 are connected with the third pressing mechanism base II 412 through bolts, the third pressing mechanism positioning pin 414 is connected with the third pressing mechanism connecting rod II 413 through threads, the third pressing mechanism upper profiling block IV 416 and the third pressing mechanism upper profiling block V418 are connected with the third pressing mechanism connecting rod III 417 through bolts, the third pressing mechanism connecting rod III 417 is connected with the third pressing mechanism cylinder II 420 through bolts, and the third pressing mechanism base II 412 is connected with the third pressing mechanism cylinder II 420 through bolts; when the beam is compressed, firstly, the beam is positioned by a manipulator on a third compressing mechanism positioning pin 414, and the beam is supported by a third compressing mechanism lower profiling block I402, a third compressing mechanism lower profiling block II 407 and a third compressing mechanism lower profiling block V419; secondly, after the third pressing mechanism positioning cylinder 409 is used for positioning and calibrating again, finally, the third pressing mechanism upper profiling block I403, the third pressing mechanism upper profiling block II 405, the third pressing mechanism upper profiling block III 406 and the third pressing mechanism upper profiling block V418 are pressed under the driving of the third pressing mechanism cylinder I401 and the third pressing mechanism cylinder II 420.
6. Referring to fig. 11-14, the fourth pressing mechanism combination 5 is composed of a fourth pressing mechanism cylinder i 501, a fourth pressing mechanism connecting rod i 502, a fourth pressing mechanism upper profiling block i 503, a fourth pressing mechanism lower profiling block i 504, a fourth pressing mechanism upper profiling block ii 505, a fourth pressing mechanism lower profiling block ii 506, a fourth pressing mechanism connecting rod ii 507, a fourth pressing mechanism base i 508, a fourth pressing mechanism cylinder ii 509, a fourth pressing mechanism lower profiling block iii 510, a fourth pressing mechanism upper profiling block iii 511, a fourth pressing mechanism connecting rod iii 512, a fourth pressing mechanism upper profiling block iv 513, a fourth pressing mechanism lower profiling block iv 514, a fourth pressing mechanism connecting rod iv 515, a fourth pressing mechanism base ii 516, a fourth pressing mechanism base iii 517, a fourth pressing mechanism connecting rod v 518 and a fourth pressing mechanism positioning pin 519, wherein the fourth pressing mechanism connecting rod i 502 is connected with the fourth pressing mechanism cylinder i 501 by bolts, the fourth pressing mechanism upper profiling block i 503 and the fourth pressing mechanism upper profiling block ii 505 are connected with the fourth pressing mechanism base i 508 by the fourth pressing mechanism connecting rod i 508 by the fourth pressing mechanism ii connecting rod i 501 by the fourth pressing mechanism ii connecting rod i is connected with the fourth pressing mechanism base ii 508 by the fourth pressing mechanism ii base i by the fourth pressing mechanism base i connecting rod i 501 by the fourth pressing mechanism lower profiling block i connecting rod i is connected with the fourth pressing mechanism ii; the fourth pressing mechanism cylinder II 509 is connected with the fourth pressing mechanism base II 516 through a bolt, the fourth pressing mechanism connecting rod III 512 is connected with the fourth pressing mechanism cylinder II 509 through a bolt, the fourth pressing mechanism upper profiling block III 511 and the fourth pressing mechanism upper profiling block IV 513 are connected with the fourth pressing mechanism connecting rod III 512 through bolts, the fourth pressing mechanism lower profiling block III 510 and the fourth pressing mechanism connecting rod IV 515 are connected with the fourth pressing mechanism base II 516 through bolts, and the fourth pressing mechanism lower profiling block IV 514 and the fourth pressing mechanism connecting rod IV 515 are connected through bolts; the fourth pressing mechanism connecting rod V518 is connected with the fourth pressing mechanism base III 517 through a bolt, and the fourth pressing mechanism locating pin 519 is connected with the fourth pressing mechanism connecting rod V518 through threads; when the beam is clamped, the beam is positioned by the fourth pressing mechanism positioning pin 519, and is supported by matching with the fourth pressing mechanism lower profiling block I504, the fourth pressing mechanism lower profiling block II 506, the fourth pressing mechanism lower profiling block III 510 and the fourth pressing mechanism lower profiling block IV 514, and finally the fourth pressing mechanism upper profiling block I503, the fourth pressing mechanism upper profiling block II 505, the fourth pressing mechanism upper profiling block III 511 and the fourth pressing mechanism upper profiling block IV 513 are driven by the fourth pressing mechanism cylinder I501 and the fourth pressing mechanism cylinder II 509.
7. Referring to fig. 15 and 16, the fifth pressing mechanism combination 6 is composed of a fifth pressing mechanism base i 601, a fifth pressing mechanism cylinder i 602, a fifth pressing mechanism connecting rod i 603, a fifth pressing mechanism upper profiling block i 604, a fifth pressing mechanism upper profiling block ii 605, a fifth pressing mechanism lower profiling block i 606, a fifth pressing mechanism connecting seat 607, a fifth pressing mechanism base ii 608, a fifth pressing mechanism connecting rod ii 609, a fifth pressing mechanism lower profiling block ii 610, a fifth pressing mechanism upper profiling block iii 611, a fifth pressing mechanism connecting rod iii 612, a fifth pressing mechanism upper profiling block iv 613, a fifth pressing mechanism cylinder ii 614, a fifth pressing mechanism lower profiling block iii 615 and a fifth pressing mechanism telescopic cylinder 616, wherein the fifth pressing mechanism base i 601 is connected with the fifth pressing mechanism cylinder i 602 by bolts, the fifth pressing mechanism connecting rod i 603 is connected with the fifth pressing mechanism cylinder i 602 by bolts, the fifth pressing mechanism upper profiling block i 604 and the fifth pressing mechanism connecting rod i 605 are connected with the fifth pressing mechanism connecting rod i 603 by the fifth pressing mechanism lower profiling block iv 613 by the fifth pressing mechanism upper profiling block iv 613, the fifth pressing mechanism upper profiling block ii 614 is connected with the fifth pressing mechanism connecting rod i 601 by the fifth pressing mechanism connecting seat 607, the fifth pressing mechanism lower pressing mechanism base is connected with the fifth pressing mechanism base i 601 by the fifth pressing mechanism connecting seat 601 by the fifth pressing mechanism connecting mechanism by the fifth pressing mechanism connecting rod i is connected with the fifth pressing mechanism upper pressing mechanism cylinder is by a pressing mechanism connecting rod by a fifth pressing mechanism; the fifth pressing mechanism connecting rod II 609, the fifth pressing mechanism cylinder II 614 and the fifth pressing mechanism telescopic cylinder 616 are connected with the fifth pressing mechanism base II 608 through bolts, the lower profiling block II 610 of the fifth pressing mechanism is connected with the fifth pressing mechanism connecting rod II 609 through bolts, the upper profiling block III 611 of the fifth pressing mechanism and the upper profiling block IV 613 of the fifth pressing mechanism are connected with the fifth pressing mechanism connecting rod III 612 through bolts, and the lower profiling block III 615 of the fifth pressing mechanism is connected with the fifth pressing mechanism telescopic cylinder 616 through bolts.
8. Referring to fig. 17, the sixth pressing mechanism assembly 7 is composed of a sixth pressing mechanism base 701, a sixth pressing mechanism telescopic cylinder 702, a sixth pressing mechanism connecting plate 703, a sixth pressing mechanism connecting rod i 704, a sixth pressing mechanism positioning pin i 705, a sixth pressing mechanism positioning pin ii 706, a sixth pressing mechanism connecting rod ii 707, and a sixth pressing mechanism upper profiling block 708, wherein the sixth pressing mechanism telescopic cylinder 702 is connected with the sixth pressing mechanism base 701 through a bolt, the sixth pressing mechanism connecting plate 703 is connected with the sixth pressing mechanism telescopic cylinder 702 through a bolt, the sixth pressing mechanism connecting rod i 704, the sixth pressing mechanism connecting rod ii 707, and the sixth pressing mechanism upper profiling block 708 are connected with the sixth pressing mechanism connecting plate 703 through a bolt, the sixth pressing mechanism positioning pin i 705 is connected with the sixth pressing mechanism connecting rod i 704 through threads, and the sixth pressing mechanism positioning pin ii 706 is connected with the sixth pressing mechanism connecting rod ii 707 through threads; the sixth pressing mechanism locating pin I705, the sixth pressing mechanism locating pin II 706 and the profiling block 708 on the sixth pressing mechanism are driven by the sixth pressing mechanism telescopic cylinder 702 to realize the positioning of the end head of the top beam, and the sixth pressing mechanism telescopic cylinder 702 can be retracted and extended according to the process of putting in and taking out a welded piece, so that the workpiece is prevented from being scratched, and the welding precision requirement of the workpiece are affected.
9. Referring to fig. 18, the seventh pressing mechanism combination 8 is composed of a seventh pressing mechanism base 801, a seventh pressing mechanism lower profiling block i 802, a seventh pressing mechanism lower profiling block ii 803, a seventh pressing mechanism upper profiling block 804, a seventh pressing mechanism connecting rod 805, a seventh pressing mechanism cylinder 806, a seventh pressing mechanism telescopic cylinder 807, a seventh pressing mechanism connecting plate i 808 and a seventh pressing mechanism connecting plate ii 809, wherein the seventh pressing mechanism lower profiling block i 802, the seventh pressing mechanism lower profiling block ii 803, the seventh pressing mechanism cylinder 806 and the seventh pressing mechanism connecting plate ii 809 are connected with the seventh pressing mechanism connecting plate i 808 through bolts, the seventh pressing mechanism connecting plate ii 809 is connected with the seventh pressing mechanism base 801 through pins, the seventh pressing mechanism telescopic cylinder 807 is connected with the seventh pressing mechanism base 801 and the seventh pressing mechanism connecting plate i 808 through pins, the seventh pressing mechanism connecting rod 805 is connected with the seventh pressing mechanism cylinder 806 through bolts, and the seventh pressing mechanism upper profiling block 804 is connected with the seventh pressing mechanism connecting rod 805 through bolts; the seventh pressing mechanism base 801, the seventh pressing mechanism telescopic cylinder 807, the seventh pressing mechanism connecting plate I808 and the seventh pressing mechanism connecting plate II 809 form a four-bar mechanism, and the angle control is realized by welding the top beam end through the four-bar mechanism, so that the matching of top beams of different vehicle types and the top beam end is realized.
10. Referring to fig. 19, in the process of butt seam welding the end of the beam and the end of the top beam, firstly, the beam is put on a fifth pressing mechanism lower profiling block i 606 and a fifth pressing mechanism lower profiling block iii 615 in a fifth pressing mechanism combination 6; secondly, positioning the end head of the top beam through a sixth pressing mechanism positioning pin I705 and a sixth pressing mechanism positioning pin II 706; thirdly, the beam and the top beam end are compressed under the drive of a fifth compression mechanism cylinder I602, a fifth compression mechanism cylinder II 614 and a seventh compression mechanism cylinder 806 through a profiling block II 605 on the fifth compression mechanism, a profiling block III 611 on the fifth compression mechanism, a profiling block IV 613 on the fifth compression mechanism and a profiling block 804 on the seventh compression mechanism; finally, a four-bar mechanism is formed by a seventh pressing mechanism base 801, a seventh pressing mechanism telescopic cylinder 807, a seventh pressing mechanism connecting plate I808 and a seventh pressing mechanism connecting plate II 809 to press the end head of the top beam according to the actual swing angle requirement; after the steps are completed, the butt joint between the cross beam and the top cross beam end is pressed and welded.
11. Referring to fig. 20 and 21, the eighth positioning mechanism assembly 9 is composed of an eighth positioning mechanism base 901, an eighth positioning mechanism connecting base 902, an eighth positioning cylinder 903 and an eighth positioning mechanism connecting plate 904, wherein the eighth positioning mechanism base 901 is connected with the eighth positioning mechanism connecting base 902 through bolts, the eighth positioning mechanism connecting base 902 is connected with the eighth positioning cylinder 903 through bolts, and the eighth positioning mechanism connecting plate 904 is connected with the eighth positioning mechanism base 901 and the eighth positioning mechanism connecting base 902 through bolts respectively; the eighth positioning mechanism connecting plate 904 can be selectively used according to positioning requirements; the eighth positioning mechanism base 901 can be replaced according to the positioning angle and the positioning height;
The welding fixture adopts three eighth positioning mechanisms to form an eighth positioning mechanism combination 9, thereby meeting the positioning of the welded workpiece.
It should be emphasized that the examples described herein are illustrative rather than limiting, and therefore the invention includes, but is not limited to, the examples described in the detailed description, as other embodiments derived from the technical solutions of the invention by a person skilled in the art are equally within the scope of the invention.
Claims (10)
1. A welding clamp integrating side wall inner plate B column, cross beam and top cross beam end is characterized by comprising a bottom frame (1), a first pressing mechanism combination (2), a second pressing mechanism combination (3), a third pressing mechanism combination (4), a fourth pressing mechanism combination (5), a fifth pressing mechanism combination (6), a sixth pressing mechanism combination (7), a seventh pressing mechanism combination (8) and an eighth positioning mechanism combination (9), wherein a first pressing mechanism base I (205) and a first pressing mechanism base II (209) in the first pressing mechanism combination (2), a second pressing mechanism base I (302) in the second pressing mechanism combination (3), a third pressing mechanism base I (411) and a third pressing mechanism base II (412) in the third pressing mechanism combination (4), a fourth pressing mechanism base I (508), a fourth pressing mechanism base II (516) and a fourth pressing mechanism base III (517) in the fourth pressing mechanism combination (5), a fifth pressing mechanism base I (601) and a fifth pressing mechanism base II (608) in the fifth pressing mechanism combination (6), and a sixth pressing mechanism base (701) in the sixth pressing mechanism combination (7) The seventh pressing mechanism base (801) in the seventh pressing mechanism combination (8) and the eighth positioning mechanism base (901) in the eighth positioning mechanism combination (9) are connected with the bottom plate (101) in the bottom frame (1) through bolts.
2. The welding fixture integrating the B column, the cross beam and the top cross beam end of the side wall inner plate according to claim 1 is characterized in that the bottom frame (1) consists of a bottom plate (101), a part supporting frame (102) and universal wheels (103), wherein the bottom plate (101) is connected with the bottom supporting frame (102) through bolts, and the bottom supporting frame (102) is connected with the universal wheels (103) through bolts; the bottom support frame (102) is formed by welding rectangular steel.
3. The welding fixture integrating side wall inner plate B column, cross beam and top cross beam end as a whole according to claim 1, characterized in that the first pressing mechanism combination (2) is composed of a first pressing mechanism cylinder I (201), a first pressing mechanism pressing rod I (202), a first pressing mechanism upper profiling block I (203), a first pressing mechanism lower profiling block I (204), a first pressing mechanism base I (205), a first pressing mechanism pressing rod II (206), a first pressing mechanism upper profiling block II (207), a first pressing mechanism lower profiling block II (208), a first pressing mechanism base II (209) and a first pressing mechanism cylinder II (210), wherein the first pressing mechanism cylinder I (201) is connected with the first pressing mechanism pressing rod I (202) through bolts, the two first pressing mechanism upper profiling blocks I (203) are connected with the first pressing mechanism pressing rod I (202) through bolts, the two first pressing mechanism lower profiling blocks I (204) are connected with the first pressing mechanism base I (205) through bolts, the first pressing mechanism I (205) is connected with the first pressing mechanism base (206) through the first pressing mechanism II (206) through bolts, the two profiling blocks II (208) under the first pressing mechanism are connected with the first pressing mechanism base II (209) through bolts, and the first pressing mechanism base II (209) is connected with the first pressing mechanism cylinder II (210) through bolts; the lengths of the first pressing mechanism pressing rod I (202) and the first pressing mechanism pressing rod II (206) are different, so that B columns meeting different widths are pressed.
4. The welding fixture integrating side wall inner plate B column, cross beam and top cross beam end as a whole according to claim 1, characterized in that the second pressing mechanism combination (3) is composed of a second pressing mechanism cylinder (301), a second pressing mechanism base I (302), a second pressing mechanism lower profiling block I (303), a second pressing mechanism connecting rod I (304), a second pressing mechanism upper profiling block I (305), a second pressing mechanism base II (306), a second pressing mechanism telescopic cylinder (307), a second pressing mechanism connecting rod II (308), a second pressing mechanism lower profiling block II (309), a second pressing mechanism locating pin (310) and a second pressing mechanism upper profiling block II (311), wherein the second pressing mechanism cylinder (301) is connected with the second pressing mechanism connecting rod I (304) through bolts, the second pressing mechanism upper profiling block I (305) and the second pressing mechanism upper profiling block II (311) are connected with the second pressing mechanism connecting rod I (304) through bolts, the second pressing mechanism cylinder (301) is connected with the second pressing mechanism base I (302) through the second pressing mechanism lower profiling block II (309) through the second pressing mechanism telescopic cylinder (307) and the second pressing mechanism base II (306) through bolts, the second pressing mechanism connecting rod II (308) is connected with the second pressing mechanism lower profiling block II (309) through a bolt, and the second pressing mechanism positioning pin (310) is connected with the second pressing mechanism lower profiling block II (309) through threads; the second pressing mechanism locating pin (310) is lifted by the second pressing mechanism telescopic cylinder (307) to locate the B column; and the second pressing mechanism upper profiling block I (305) is matched with the second pressing mechanism lower profiling block II (309), and the second pressing mechanism lower profiling block I (303) is matched with the second pressing mechanism upper profiling block II (311) to clamp the B column.
5. The welding clamp integrating side wall inner plate B column, cross beam and top cross beam end as a whole according to claim 1, characterized in that the third pressing mechanism combination (4) comprises a third pressing mechanism cylinder I (401), a third pressing mechanism lower profiling block I (402), a third pressing mechanism upper profiling block I (403), a third pressing mechanism connecting rod I (404), a third pressing mechanism upper profiling block II (405), a third pressing mechanism upper profiling block III (406), a third pressing mechanism lower profiling block II (407), a third pressing mechanism lower profiling block III (408), a third pressing mechanism positioning cylinder (409), a third pressing mechanism connecting seat (410), a third pressing mechanism base I (411), a third pressing mechanism base II (412), a third pressing mechanism connecting rod II (413), a third pressing mechanism positioning pin (414, a third pressing mechanism lower profiling block IV (415), a third pressing mechanism upper profiling block IV (416), a third pressing mechanism connecting rod III (417), a third pressing mechanism upper profiling block V (418), a third pressing mechanism lower profiling block V (419) and a third pressing mechanism I (401) are connected with the third pressing mechanism I (401) through a third pressing mechanism connecting bolt I (401) and a third pressing mechanism II (401) through a third pressing mechanism connecting bolt The upper profiling block II (405) of the third pressing mechanism and the upper profiling block III (406) of the third pressing mechanism are connected with the connecting rod I (404) of the third pressing mechanism through bolts, the lower profiling block I (402) of the third pressing mechanism, the lower profiling block II (407) of the third pressing mechanism and the lower profiling block III (408) of the third pressing mechanism are connected with the base I (411) of the third pressing mechanism through bolts, the positioning cylinder (409) of the third pressing mechanism is connected with the connecting seat (410) of the third pressing mechanism through bolts, and the connecting seat (410) of the third pressing mechanism is connected with the base I (411) of the third pressing mechanism through bolts; the third pressing mechanism connecting rod II (413), the third pressing mechanism lower profiling block IV (415) and the third pressing mechanism lower profiling block V (419) are connected with the third pressing mechanism base II (412) through bolts, the third pressing mechanism locating pin (414) is connected with the third pressing mechanism connecting rod II (413) through threads, the third pressing mechanism upper profiling block IV (416) and the third pressing mechanism upper profiling block V (418) are connected with the third pressing mechanism connecting rod III (417) through bolts, the third pressing mechanism connecting rod III (417) is connected with the third pressing mechanism cylinder II (420) through bolts, and the third pressing mechanism base II (412) is connected with the third pressing mechanism cylinder II (420) through bolts.
6. The welding fixture integrating side wall inner plate B column, cross beam and top cross beam end as one body according to claim 1, characterized in that the fourth pressing mechanism combination (5) comprises a fourth pressing mechanism cylinder I (501), a fourth pressing mechanism connecting rod I (502), a fourth pressing mechanism upper profiling block I (503), a fourth pressing mechanism lower profiling block I (504), a fourth pressing mechanism upper profiling block II (505), a fourth pressing mechanism lower profiling block II (506), a fourth pressing mechanism connecting rod II (507), a fourth pressing mechanism base I (508), a fourth pressing mechanism cylinder II (509), a fourth pressing mechanism lower profiling block III (510), a fourth pressing mechanism upper profiling block III (511), a fourth pressing mechanism connecting rod III (512), a fourth pressing mechanism upper profiling block IV (513), a fourth pressing mechanism lower profiling block IV (514), a fourth pressing mechanism connecting rod IV (515), a fourth pressing mechanism base II (516), a fourth pressing mechanism base III (517), a fourth pressing mechanism connecting rod V (518) and a fourth pressing mechanism locating pin (519), wherein the fourth pressing mechanism connecting rod I (501) and the fourth pressing mechanism upper profiling block I (502) are connected by a fourth pressing mechanism connecting rod I (503) through a fourth pressing mechanism connecting bolt, the lower profiling block I (504) of the fourth pressing mechanism and the connecting rod II (507) of the fourth pressing mechanism are connected with the base I (508) of the fourth pressing mechanism through bolts, the lower profiling block II (506) of the fourth pressing mechanism and the connecting rod II (507) of the fourth pressing mechanism are connected through bolts, and the air cylinder I (501) of the fourth pressing mechanism and the base I (508) of the fourth pressing mechanism are connected through bolts; the fourth pressing mechanism cylinder II (509) is connected with the fourth pressing mechanism base II (516) through a bolt, the fourth pressing mechanism connecting rod III (512) is connected with the fourth pressing mechanism cylinder II (509) through a bolt, the fourth pressing mechanism upper profiling block III (511) and the fourth pressing mechanism upper profiling block IV (513) are connected with the fourth pressing mechanism connecting rod III (512) through bolts, the fourth pressing mechanism lower profiling block III (510) and the fourth pressing mechanism connecting rod IV (515) are connected with the fourth pressing mechanism base II (516) through bolts, and the fourth pressing mechanism lower profiling block IV (514) and the fourth pressing mechanism connecting rod IV (515) are connected through bolts; the fourth pressing mechanism connecting rod V (518) is connected with the fourth pressing mechanism base III (517) through a bolt, and the fourth pressing mechanism locating pin (519) is connected with the fourth pressing mechanism connecting rod V (518) through threads.
7. The welding fixture integrating side wall inner plate B column, cross beam and top cross beam end as one body according to claim 1, characterized in that the fifth pressing mechanism combination (6) consists of a fifth pressing mechanism base I (601), a fifth pressing mechanism cylinder I (602), a fifth pressing mechanism connecting rod I (603), a fifth pressing mechanism upper profiling block I (604), a fifth pressing mechanism upper profiling block II (605), a fifth pressing mechanism lower profiling block I (606), a fifth pressing mechanism connecting seat (607), a fifth pressing mechanism base II (608), a fifth pressing mechanism connecting rod II (609), a fifth pressing mechanism lower profiling block II (610), a fifth pressing mechanism upper profiling block III (611), a fifth pressing mechanism connecting rod III (612), a fifth pressing mechanism upper profiling block IV (613), a fifth pressing mechanism cylinder II (614), a fifth pressing mechanism lower profiling block III (615) and a fifth pressing mechanism telescopic cylinder (616), wherein the fifth pressing mechanism base I (601) is connected with the fifth pressing mechanism cylinder I (602) through a bolt, the fifth pressing mechanism I (603) is connected with the fifth pressing mechanism upper profiling block I (602) through the fifth pressing mechanism upper profiling block I (603) and the fifth pressing mechanism upper profiling block II (616), the lower profiling block I (606) of the fifth pressing mechanism is connected with the fifth pressing mechanism connecting seat (607) through a bolt, and the fifth pressing mechanism connecting seat (607) is connected with the fifth pressing mechanism base I (601) through a bolt; the fifth pressing mechanism connecting rod II (609), the fifth pressing mechanism cylinder II (614) and the fifth pressing mechanism telescopic cylinder (616) are connected with the fifth pressing mechanism base II (608) through bolts, the fifth pressing mechanism lower profiling block II (610) is connected with the fifth pressing mechanism connecting rod II (609) through bolts, the fifth pressing mechanism connecting rod III (612) is connected with the fifth pressing mechanism cylinder II (614) through bolts, the fifth pressing mechanism upper profiling block III (611) and the fifth pressing mechanism upper profiling block IV (613) are connected with the fifth pressing mechanism connecting rod III (612) through bolts, and the fifth pressing mechanism lower profiling block III (615) is connected with the fifth pressing mechanism telescopic cylinder (616) through bolts.
8. The welding fixture integrating side wall inner plate B columns, cross beams and top cross beam ends as claimed in claim 1, wherein the sixth pressing mechanism combination (7) is composed of a sixth pressing mechanism base (701), a sixth pressing mechanism telescopic cylinder (702), a sixth pressing mechanism connecting plate (703), a sixth pressing mechanism connecting rod I (704), a sixth pressing mechanism locating pin I (705), a sixth pressing mechanism locating pin II (706), a sixth pressing mechanism connecting rod II (707) and a sixth pressing mechanism upper copying block (708), the sixth pressing mechanism telescopic cylinder (702) is connected with the sixth pressing mechanism base (701) through bolts, the sixth pressing mechanism connecting plate (703) is connected with the sixth pressing mechanism telescopic cylinder (702) through bolts, the sixth pressing mechanism connecting rod II (707) and the sixth pressing mechanism upper copying block (708) are connected with the sixth pressing mechanism connecting plate (703) through bolts, the sixth pressing mechanism locating pin I (705) is connected with the sixth pressing mechanism connecting rod I (704) through threads, and the sixth pressing mechanism connecting rod II (706) is connected with the sixth pressing mechanism II through threads.
9. The welding fixture integrating side wall inner plate B columns, cross beams and top cross beam ends as claimed in claim 1, wherein the seventh pressing mechanism combination (8) is composed of a seventh pressing mechanism base (801), a seventh pressing mechanism lower profiling block I (802), a seventh pressing mechanism lower profiling block II (803), a seventh pressing mechanism upper profiling block (804), a seventh pressing mechanism connecting rod (805), a seventh pressing mechanism cylinder (806), a seventh pressing mechanism telescopic cylinder (807), a seventh pressing mechanism connecting plate I (808) and a seventh pressing mechanism connecting plate II (809), wherein the seventh pressing mechanism lower profiling block I (802), the seventh pressing mechanism lower profiling block II (803), the seventh pressing mechanism cylinder (806) and the seventh pressing mechanism connecting plate II (809) are connected with the seventh pressing mechanism connecting plate I (808) through bolts, the seventh pressing mechanism connecting plate II (809) is connected with the seventh pressing mechanism base (801) through pins, the seventh pressing mechanism telescopic cylinder (807) is connected with the seventh pressing mechanism connecting plate (801) and the seventh pressing mechanism connecting plate (805) through seventh pressing mechanism connecting rods (805) through pins; the seventh pressing mechanism base (801), the seventh pressing mechanism telescopic cylinder (807), the seventh pressing mechanism connecting plate I (808) and the seventh pressing mechanism connecting plate II (809) form a four-bar mechanism, and the angle is controlled by welding the top beam end through the four-bar mechanism, so that the matching of top beams of different vehicle types and the top beam end is achieved.
10. The welding fixture integrating the side wall inner plate B column, the cross beam and the top cross beam end head as claimed in claim 1, wherein the eighth positioning mechanism combination (9) is composed of an eighth positioning mechanism base (901), an eighth positioning mechanism connecting seat (902), an eighth positioning cylinder (903) and an eighth positioning mechanism connecting plate (904), wherein the eighth positioning mechanism base (901) is connected with the eighth positioning mechanism connecting seat (902) through bolts, the eighth positioning mechanism connecting seat (902) is connected with the eighth positioning cylinder (903) through bolts, and the eighth positioning mechanism connecting plate (904) is connected with the eighth positioning mechanism base (901) and the eighth positioning mechanism connecting seat (902) through bolts respectively; the eighth positioning mechanism connecting plate (904) can be selectively used according to positioning requirements; the eighth positioning mechanism base (901) can be replaced according to the positioning angle and the positioning height; the welding fixture adopts three eighth positioning mechanisms to form an eighth positioning mechanism combination (9) so as to position the welded workpiece.
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| CN202211488818.3A CN116038207B (en) | 2022-11-25 | 2022-11-25 | Welding fixture integrating side wall inner plate B column, cross beam and top cross beam end |
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