CN113523634A - Body-in-white welding system and welding method - Google Patents
Body-in-white welding system and welding method Download PDFInfo
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- CN113523634A CN113523634A CN202110862677.6A CN202110862677A CN113523634A CN 113523634 A CN113523634 A CN 113523634A CN 202110862677 A CN202110862677 A CN 202110862677A CN 113523634 A CN113523634 A CN 113523634A
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- 238000003466 welding Methods 0.000 title claims abstract description 191
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000003860 storage Methods 0.000 claims abstract description 34
- 238000005476 soldering Methods 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 230000000712 assembly Effects 0.000 description 22
- 238000000429 assembly Methods 0.000 description 22
- 210000000080 chela (arthropods) Anatomy 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000005493 welding type Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010923 batch production 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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
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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
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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
- 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
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H3/00—Storage means or arrangements for workshops facilitating access to, or handling of, work tools or instruments
- B25H3/04—Racks
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Abstract
The invention discloses a body-in-white welding system and a welding method, and relates to the technical field of vehicle manufacturing. This white automobile body welds dress system includes: the main splicing welding working layer is provided with a main splicing station, a floor assembly is fixed on the main splicing station, and a clamp grabbing robot and a point positioning robot are arranged along the circumferential direction of the main splicing station; the tool storage layer is used for storing different types of main splicing fixtures and welding tongs, and the fixture grabbing robot and the point positioning robot are respectively used for grabbing the main splicing fixtures and the welding tongs; sub-assembly buffer memory transport layer has placed the left side of different grade type and has enclosed assembly, right side and enclose assembly, preceding wind window assembly and enclose the assembly after, and the clamp homoenergetic is pieced together to every type owner and is got the left side of corresponding type and enclose assembly, right side and enclose assembly, preceding wind window assembly or enclose the assembly after, and the assembly is enclosed to left side that assembly, right side enclose assembly, preceding wind window assembly or enclose the assembly after every type soldering turret homoenergetic welding corresponding type. The welding device can realize the welding of various types of body-in-white vehicles and meet diversified manufacturing requirements.
Description
Technical Field
The invention relates to the technical field of vehicle manufacturing, in particular to a body-in-white welding system and a welding method.
Background
At present, with the continuous progress and development of society, automobiles as vehicles are more and more popular. Meanwhile, as the audiences of automobiles increase continuously, the diversified demands of people on the automobiles are more prominent. Diversified automobile models result in various automobile models, a body-in-white is a main part for bearing interior and exterior trims of an automobile, and the diversified automobile models also result in various body-in-white varieties of the automobile.
The white automobile body of the automobile is formed by welding parts through a welding production line, specifically, a floor assembly is conveyed to a welding station, and then parts such as a left side wall assembly, a right side wall assembly, a front windshield assembly and a rear wall assembly are respectively assembled and welded to the left side, the right side, the front side and the rear side of the floor assembly to finally form the white automobile body. The white automobile body type is different mainly by welded left side encloses assembly, right side and encloses the part type difference such as assembly, and present car white automobile body welding system mostly belongs to batch production line, receives appurtenance such as frock clamp and soldering turret, only can satisfy single type or 3-4 type white automobile body mixed flow production, can not realize the white automobile body of arbitrary variety of mixed flow production.
Accordingly, there is a need for a welding system and a welding method for body-in-white to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to provide a body-in-white welding system and a welding method, which can realize the welding of various types of body-in-white and meet diversified manufacturing requirements.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a body-in-white welding system, which comprises:
the main splicing welding working layer is provided with a main splicing station, a floor assembly is fixed on the main splicing station, and a clamp grabbing robot and a point positioning robot are arranged along the circumferential direction of the main splicing station;
the tool storage layer is used for storing different types of main splicing fixtures and welding tongs, and the fixture grabbing robot and the point positioning robot are respectively used for grabbing the main splicing fixtures and the welding tongs;
the sub-assembly buffer storage conveying layer is provided with a left side wall assembly, a right side wall assembly, a front air window assembly and a rear wall assembly which are of different types, each type of main splicing fixture can clamp the left side wall assembly, the right side wall assembly, the front air window assembly or the rear wall assembly which are of corresponding types, and each type of welding tongs can weld the left side wall assembly, the right side wall assembly, the front air window assembly or the rear wall assembly which are of corresponding types.
Optionally, the point positioning robots include a left front point positioning robot, a right front point positioning robot, a left rear point positioning robot, and a right rear point positioning robot disposed along a left front side, a right front side, a left rear side, and a right rear side of the main assembly station;
the left front point positioning robot, the right front point positioning robot, the left rear point positioning robot and the right rear point positioning robot can respectively weld the left side wall assembly, the front windshield assembly, the rear wall assembly and the right side wall assembly in corresponding types through the corresponding welding tongs.
Optionally, the fixture grabbing robot comprises a left enclosure frame fixture grabbing robot, a right enclosure frame fixture grabbing robot, a front windshield frame fixture grabbing robot and a rear enclosure frame fixture grabbing robot which are arranged along the left side, the right side, the front side and the rear side of the main splicing station;
enclose frame anchor clamps in the left side and snatch the robot, the right side encloses frame anchor clamps and snatchs the robot preceding windscreen frame anchor clamps and enclose frame anchor clamps snatch the robot after and can pass through corresponding the main anchor clamps of piecing together press from both sides respectively get corresponding type the assembly is enclosed on the left side the assembly is enclosed on the right side preceding windscreen assembly reaches enclose the assembly after.
Optionally, sub-assembly buffer memory transport layer encloses buffer memory line, right side including the left side wall buffer memory line, preceding wind window buffer memory line and encloses the buffer memory line after, the buffer memory line is enclosed on the left side the right side enclose the buffer memory line preceding wind window buffer memory line with enclose after and cache respectively on the buffer memory line have multiple type the assembly is enclosed on the left side the assembly is enclosed on the right side preceding wind window assembly with enclose the assembly after, just the buffer memory line is enclosed on the left side the buffer memory line is enclosed on the right side preceding wind window buffer memory line with enclose after can also with corresponding type the assembly is enclosed on the left side wall the assembly on the right side preceding wind window assembly with enclose after the assembly carry to the top of main station of piecing together.
Optionally, the left side encloses the cache line, the right side encloses the cache line, the front windshield cache line, the rear enclose the cache line respectively with the left side encloses the frame fixture and snatchs the robot, the right side encloses the frame fixture and snatchs the robot, the front windshield frame fixture snatchs the robot, the rear encloses the position one-to-one setting that the frame fixture snatchs the robot.
Optionally, the anchor clamps are pieced together to main including polytype left side enclose that main piecing anchor clamps, right side enclose that main piecing anchor clamps, preceding wind window owner piecing anchor clamps and enclose after and mainly piece together anchor clamps, left side wall owner piece together anchor clamps right side wall owner piece together anchor clamps preceding wind window owner piece together anchor clamps enclose after mainly piece together anchor clamps respectively with the left side enclose the assembly the right side enclose the assembly preceding wind window assembly enclose after the assembly one-to-one setting.
Optionally, the welding tongs comprise a plurality of types of left side wall welding tongs, right side wall welding tongs, front windshield welding tongs and rear side wall welding tongs, and the left side wall welding tongs, the right side wall welding tongs, the front windshield welding tongs and the rear side wall welding tongs are respectively arranged in one-to-one correspondence with the left side wall assembly, the right side wall assembly, the front windshield assembly and the rear wall assembly.
Optionally, the tool storage layer comprises a left storage layer, a right storage layer, a front storage layer and a rear storage layer which are arranged along the left side, the right side, the front side and the rear side of the main splicing station;
the left side wall main splicing fixture and the left side wall welding tongs are all stored in the left side storage layer, the right side wall main splicing fixture and the right side wall welding tongs are all stored in the right side storage layer, the front windshield main splicing fixture and the front windshield welding tongs are all stored in the front side storage layer, and the rear side wall main splicing fixture and the rear side wall welding tongs are all stored in the rear side storage layer.
Optionally, the main splicing welding working layer further comprises a main splicing station frame steel structure and a locking clamp, the main splicing station frame steel structure is arranged on the main splicing station, and the floor assembly is positioned and locked on the main splicing station frame steel structure through the locking clamp.
The invention also provides a body-in-white welding method, which adopts the body-in-white welding system and comprises the following steps:
transporting the floor assembly to a main splicing station and fixing according to the type of the body in white;
according to the type of a white vehicle body, conveying a left side wall main splicing fixture, a right side wall main splicing fixture, a front windshield main splicing fixture and a rear wall main splicing fixture of corresponding types to the upper part of the main splicing station; conveying the left side wall welding tongs, the right side wall welding tongs, the front windshield welding tongs and the rear side wall welding tongs of the corresponding types to the upper part of the main splicing station;
conveying the left side wall assembly, the right side wall assembly, the front windshield assembly and the rear wall assembly of the corresponding types to the upper part of the main splicing station;
a left side wall frame clamp grabbing robot grabs the left side wall assembly through the left side wall main splicing clamp, a right side wall frame clamp grabbing robot grabs the right side wall assembly through the right side wall main splicing clamp, a front windshield frame clamp grabbing robot grabs the front windshield assembly through the front windshield main splicing clamp, and a rear wall frame clamp grabbing robot grabs the rear wall assembly through the rear wall main splicing clamp, conveys the rear wall assembly to the main splicing station and assembles and locks the rear wall assembly with the floor assembly;
and the left front point positioning robot, the right front point positioning robot, the left rear point positioning robot and the right rear point positioning robot respectively grab the left side wall welding tongs, the front air window welding tongs, the rear wall welding tongs and the right side wall welding tongs to weld the assembly part of the floor assembly.
The invention has the beneficial effects that:
the invention provides a welding system and a welding method for a body-in-white, wherein during welding, according to the type of the body-in-white, a clamp grabbing robot grabs a main splicing clamp of a corresponding type, grabs a left side wall assembly, a right side wall assembly, a front windshield assembly or a rear wall assembly of a corresponding type through the main splicing clamp, conveys the assemblies to a main splicing station to be assembled on a floor assembly, and then grabs a corresponding welding clamp to weld the assembly position through a point positioning robot, so that the welding of the body-in-white is realized. On the whole, the welding system can realize the welding of various types of body-in-white, and meets diversified welding requirements.
Drawings
FIG. 1 is a schematic view of a portion of a body-in-white welding system according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a tool storage layer in a body-in-white welding system according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a subassembly buffer conveying layer in the body-in-white welding system according to the embodiment of the invention.
In the figure:
1. a main splicing station; 11. a main splicing station frame steel structure;
2. a clamp grabbing robot; 21. the left side surrounding frame fixture grabbing robot; 22. the right side enclosure frame fixture grabbing robot; 23. a front windshield frame fixture grabbing robot; 24. a rear enclosure frame fixture grabbing robot;
3. point positioning of the robot; 31. a left front point positioning robot; 32. a robot is positioned at the right front point; 33. a left rear point positioning robot; 34. a robot is positioned at the right rear point;
4. a main splicing fixture; 41. a left side wall main splicing clamp; 42. a right side wall main splicing clamp; 43. the front windshield main splicing fixture; 44. a rear wall main splicing clamp;
5. a tool storage layer; 51. a left storage layer; 52. a right storage layer; 53. a front side storage layer; 54. a rear storage layer;
6. a sub-assembly buffer storage conveying layer; 61. a left side fence cache line; 611. a left side enclosure assembly; 62. a right side fence cache line; 621. a right side wall assembly; 63. a front windshield cache line; 631. a front windshield assembly; 64. a back wall cache line; 641. a rear wall assembly;
7. an automated guided vehicle.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
The embodiment of the invention discloses a body-in-white welding system, which comprises a main splice welding working layer, a tool storage layer 5 and a sub-assembly cache conveying layer 6, as shown in figures 1-3. Wherein, be equipped with on the main welding work layer of piecing together station 1, be fixed with the floor assembly on the main station 1 of piecing together, be provided with anchor clamps along the main circumference of piecing together station 1 and snatch robot 2 and click robot 3. The tool storage layer 5 stores different types of main splicing fixtures 4 and soldering pliers, and the fixture grabbing robot 2 and the pointing robot 3 are respectively used for grabbing the main splicing fixtures 4 and the soldering pliers. The sub-assembly buffer conveying layer 6 is provided with different types of left side wall assemblies 611, right side wall assemblies 621, front air window assemblies 631 and rear wall assemblies 641, each type of main splicing fixture 4 can clamp the corresponding type of left side wall assemblies 611, right side wall assemblies 621, front air window assemblies 631 or rear wall assemblies 641, and each type of welding tongs can weld the corresponding type of left side wall assemblies 611, right side wall assemblies 621, front air window assemblies 631 or rear wall assemblies 641.
During welding, according to the type of the body-in-white, the fixture grabbing robot 2 grabs the main splicing fixture 4 of the corresponding type, grabs the left side wall assembly 611, the right side wall assembly 621, the front windshield assembly 631 or the rear wall assembly 641 of the corresponding type through the main splicing fixture 4, carries the left side wall assembly, the right side wall assembly, the front windshield assembly 631 or the rear wall assembly to the main splicing station 1 and assembles the left side wall assembly, the right side wall assembly, the front windshield assembly or the rear wall assembly onto the floor assembly, and the spot positioning robot 3 grabs the corresponding welding tongs to weld the assembly part, so that the welding of the body-in-white is realized. On the whole, the welding system can realize the welding of various types of body-in-white, and meets diversified welding requirements.
Optionally, main station 1 of piecing together is the welding assembly position, and the floor assembly is the bottom structure layer of white automobile body, and the floor assembly is fixed in and is pieced together the stability of guaranteeing the welding on station 1 mainly.
For the fixing of floor assembly, this main welding working layer still includes main station frame steel construction 11 and the locking clamp of piecing together, and main station frame steel construction 11 that pieces together sets up on main station 1 of piecing together, and floor assembly passes through locking clamp location locking on main station frame steel construction 11 of piecing together, realizes floor assembly's fixed, avoids it to rock in welding process, improves welding stability.
Further, the jig grabbing robot 2 comprises a left side surrounding frame jig grabbing robot 21, a right side surrounding frame jig grabbing robot 22, a front windshield frame jig grabbing robot 23 and a rear surrounding frame jig grabbing robot 24 which are arranged along the left side, the right side, the front side and the rear side of the main assembling station 1, the left side surrounding frame jig grabbing robot 21, the right side surrounding frame jig grabbing robot 22, the front windshield frame jig grabbing robot 23 and the rear surrounding frame jig grabbing robot 24 can respectively clamp the left side surrounding assembly 611, the right side surrounding assembly 621, the front windshield assembly 631 and the rear surrounding assembly 641 which are of corresponding types through corresponding main assembling jigs 4 so as to respectively convey the left side surrounding assembly 611, the right side surrounding assembly 621, the front windshield assembly 631 and the rear surrounding assembly to the left side, the right side, the front side and the rear side of the main assembling station 1 for assembly and locking, so as to improve the clamping efficiency, the welding efficiency of the whole welding system is improved.
Further, the point positioning robot 3 includes a left front point positioning robot 31, a right front point positioning robot 32, a left rear point positioning robot 33, and a right rear point positioning robot 34 disposed along the left front side, the right front side, the left rear side, and the right rear side of the main splicing station 1, and the left front point positioning robot 31, the right rear point positioning robot 32, the left rear point positioning robot 33, and the right rear point positioning robot 34 can respectively weld the left side wall assembly 611, the front windshield assembly 631, the rear wall assembly 641, and the right side wall assembly 621 of the corresponding types by corresponding welding tongs, so as to improve the welding efficiency.
Accordingly, the main splicing fixture 4 is used for clamping the left side wall assembly 611, the right side wall assembly 621, the front windshield assembly 631 and the rear wall assembly 641. It includes that the main anchor clamps 41 of piecing together of polytype left side wall, right side wall owner piece together anchor clamps 42, preceding wind window owner piece together anchor clamps 43 and enclose after and mainly piece together anchor clamps 44, and the main anchor clamps 41 of piecing together of left side wall, right side wall owner piece together anchor clamps 42, preceding wind window owner piece together anchor clamps 43, enclose after and mainly piece together anchor clamps 44 and enclose assembly 611, right side wall assembly 621, preceding wind window assembly 631, enclose after respectively and enclose the assembly 641 one-to-one setting. According to the setting, the assembly 611 is enclosed on the left side of different grade type, the assembly 621 is enclosed on the right side, preceding windshield assembly 631 encloses the assembly 641 after and all can be enclosed by corresponding left side and mainly piece together anchor clamps 41, the right side encloses main anchor clamps 42 of piecing together, preceding windshield mainly pieces together anchor clamps 43 and enclose main anchor clamps 44 of piecing together after and press from both sides and get to satisfy the manufacturing demand of multiple white automobile body, press from both sides and get efficiently.
Specifically, the left side enclosure main splicing clamp 41 includes a left side enclosure main splicing clamp a, a left side enclosure main splicing clamp B, … and the like; the right side wall main splicing clamp 42 comprises a right side wall main splicing clamp A, a right side wall main splicing clamp B, … and the like; the front windshield main splicing fixture 43 comprises a front windshield main splicing fixture A, front windshield main splicing fixtures B, … and the like; the rear wall main splicing fixture 44 comprises a rear wall main splicing fixture A, rear wall main splicing fixtures B and … and the like. In practical use, the main splicing fixture 4 of the corresponding type is selected according to the types A, B and … of the body-in-white, so that diversified welding requirements are met.
Similarly, the welding tongs comprise a plurality of types of left side wall welding tongs, right side wall welding tongs, front air window welding tongs and rear side wall welding tongs, and the left side wall welding tongs, the right side wall welding tongs, the front air window welding tongs and the rear side wall welding tongs are respectively arranged in one-to-one correspondence with the left side wall assembly 611, the right side wall assembly 621, the front air window assembly 631 and the rear wall assembly 641. According to the arrangement, the left side wall welding tongs, the right side wall welding tongs, the front air window welding tongs and the rear wall welding tongs can respectively weld the assembly parts of the left side wall assembly 611, the right side wall assembly 621, the front air window assembly 631 and the rear wall assembly 641 and the floor assembly, so that the welding efficiency is improved.
The left side welding tongs comprise a left side welding tong A, a left side welding tong B, … and other types which are the same as the arrangement of the main splicing fixture 4; the right side welding tongs comprise a left side welding tong A, a right side welding tong B, … and other types; the front windshield wiper comprises a front windshield wiper A, a front windshield wiper B, … and other types; the back welding tongs comprise a back welding tong A, back welding tongs B, … and the like. In practical use, the corresponding type of welding tongs is selected for welding according to the types A, B and … of the body-in-white, which is very convenient.
This instrument is deposited layer 5 and is included along the left side of mainly piecing together station 1, the right side, layer 51 is deposited in the left side that front side and rear side set up, layer 52 is deposited in the right side, layer 53 is deposited to the front side and layer 54 is deposited to the rear side, layer 51 is deposited in the left side all to left side main piece together anchor clamps 41 of left side wall and left side welding tongs, layer 52 is deposited on the right side all to right side main piece together anchor clamps 42 and right side welding tongs, layer 53 is deposited in the front side all to preceding windscreen main piece together anchor clamps 43 and preceding windscreen welding tongs, layer 54 is deposited in the rear side to back main piece together anchor clamps 44 and back welding tongs. According to the arrangement, the left side surrounding frame clamp grabbing robot 21, the left front point positioning robot 31 grab the left side surrounding main splicing clamp 41 and the left side surrounding welding tongs, the right side surrounding frame clamp grabbing robot 22 and the right back point positioning robot 34 grab the right side surrounding main splicing clamp 42 and the right side surrounding welding tongs, the front windshield frame clamp grabbing robot 23 and the right front point positioning robot 32 grab the front windshield main splicing clamp 43 and the front windshield welding tongs, the back surrounding frame clamp grabbing robot 24 and the left back point positioning robot 33 grab the back surrounding main splicing clamp 44 and the back surrounding welding tongs respectively, so that grabbing paths are shortened as far as possible, and grabbing efficiency is improved.
Further, the sub-assembly buffer conveying layer 6 includes a left side wall buffer line 61, a right side wall buffer line 62, a front windshield buffer line 63, and a back wall buffer line 64, wherein a plurality of types of left side wall assemblies 611, right side wall assemblies 621, front windshield assemblies 631, and back wall assemblies 641 are respectively buffered on the left side wall buffer line 61, the right side wall buffer line 62, the front windshield buffer line 63, and the back wall buffer line 64, and the left side wall buffer line 61, the right side wall buffer line 62, the front windshield buffer line 63, and the back wall buffer line 64 can also convey the corresponding types of the left side wall assemblies 611, the right side wall assemblies 621, the front windshield assemblies 631, and the back wall assemblies 641 to the upper side of the main splicing station 1, so that the corresponding types of the left side wall main splicing fixture 41, the right side wall main splicing fixture 42, the front windshield main splicing fixture 43, and the back wall main splicing fixture 44 can be clamped, and the operation efficiency of the whole welding system is improved.
Furthermore, the left side surrounding cache line 61, the right side surrounding cache line 62, the front windshield cache line 63, and the rear surrounding cache line 64 are respectively arranged in one-to-one correspondence with the positions of the left side surrounding frame clamp grabbing robot 21, the right side surrounding frame clamp grabbing robot 22, the front windshield frame clamp grabbing robot 23, and the rear surrounding frame clamp grabbing robot 24, so that the clamp grabbing robot 2 grabs the left side surrounding assembly 611, the right side surrounding assembly 621, the front windshield assembly 631, and the rear surrounding assembly 641 at corresponding positions, which is very convenient and efficient.
It should be noted that the left side wall assembly 611 includes a plurality of types, such as a left side wall assembly a, a left side wall assembly B, …, and the like; the right side wall assembly 621 comprises a right side wall assembly A, a right side wall assembly B, … and other types; the front windshield assembly 631 comprises a plurality of types such as a front windshield assembly A, a front windshield assembly B, … and the like; the rear enclosure assembly 641 includes a rear enclosure assembly a, a rear enclosure assembly B, …, and the like. According to the arrangement, the left side wall assembly A, the right side wall assembly A, the front air window assembly A and the rear wall assembly A are assembled and welded to form a white automobile body A, the left side wall assembly B, the right side wall assembly B, the front air window assembly B and the rear wall assembly B are assembled and welded to form a white automobile body B, and by analogy, the manufacturing of white automobile bodies of different types can be realized, and the arbitrary mixed flow production of the white automobile bodies is realized.
It can be understood that, the left side among the above-mentioned encloses main anchor clamps A of piecing together, the left side encloses that welding pincers A all encloses assembly A to the left side and gets and weld, the right side among the above-mentioned encloses main anchor clamps A of piecing together, right side encloses that welding pincers A all encloses assembly A to the right side and gets and weld, preceding wind window owner in the above-mentioned, preceding wind window welding pincers A all presss from both sides preceding wind window assembly A and gets and weld, enclose after among the above-mentioned and mainly piece together anchor clamps A, enclose after that welding pincers A all presss from both sides and get and weld assembly A after, …, with this, can realize the diversified welding dress of white automobile body.
The embodiment also discloses a body-in-white welding method, which adopts the body-in-white welding system, and comprises the following steps:
transporting the floor assembly to a main splicing station 1 and fixing according to the type of the body in white;
according to the type of the white car body, conveying a left side wall main splicing clamp 41, a right side wall main splicing clamp 42, a front windshield main splicing clamp 43 and a rear wall main splicing clamp 44 which are of corresponding types to the upper part of a main splicing station 1; conveying the left side wall welding tongs, the right side wall welding tongs, the front windshield welding tongs and the rear side wall welding tongs of the corresponding types to the upper part of the main splicing station 1;
conveying the corresponding types of left side wall assembly 611, right side wall assembly 621, front windshield assembly 631 and rear wall assembly 641 to the upper part of the main splicing station 1;
the left side wall frame clamp grabbing robot 21 grabs the left side wall assembly 611 through a left side wall main splicing clamp 41, the right side wall frame clamp grabbing robot 22 grabs the right side wall assembly 621 through a right side wall main splicing clamp 42, the front windshield frame clamp grabbing robot 23 grabs the front windshield assembly 631 through a front windshield main splicing clamp 43, and the rear side wall frame clamp grabbing robot 24 grabs the rear side wall assembly 641 through a rear side wall main splicing clamp 44, conveys the rear side wall assembly to a main splicing station 1 and assembles and locks the rear side wall assembly with the floor assembly;
the left front point positioning robot 31, the right front point positioning robot 32, the left rear point positioning robot 33 and the right rear point positioning robot 34 respectively grab the left side wall welding tongs, the front windshield welding tongs, the rear wall welding tongs and the right side wall welding tongs to weld the assembly parts of the floor assembly.
By the white automobile body welding method, random mixed flow welding of different types of white automobile bodies can be realized, so that diversified market demands can be met.
Wherein, white automobile body motorcycle type production instruction is assigned to the production information management system of white automobile body welding line, and the motorcycle type is A for example, and automatic guide transport vechicle 7 is carrying floor assembly and locking clamp and is moving to main station 1 of piecing together, places the floor assembly and splices the station frame steel construction 11 on the owner and use locking clamp location locking, realizes fixedly, avoids rocking among the welding process, improves welding stability.
Enclose the left side of corresponding A motorcycle type through storage intelligent suspension conveyor and mainly piece together anchor clamps A, the right side encloses mainly to piece together anchor clamps A, preceding windscreen mainly piece together anchor clamps A, enclose after and mainly piece together anchor clamps A and carry to the main top of piecing together station 1. And conveying the left side welding tongs A, the right side welding tongs A, the front windshield welding tongs A and the rear welding tongs A of the corresponding A vehicle type to the upper part of the main splicing station 1.
Further, the left side wall assembly A, the right side wall assembly A, the front windshield assembly A and the rear wall assembly A are conveyed to the upper part of the main splicing station 1 through the left side wall cache line 61, the right side wall cache line 62, the front windshield cache line 63 and the rear wall cache line 64.
The left side encloses frame anchor clamps and snatchs robot 21, the right side encloses frame anchor clamps and snatchs robot 22, preceding windscreen frame anchor clamps and snatchs robot 23, enclose frame anchor clamps behind and snatch robot 24 and go to snatch left side wall according to the program setting automatically and mainly piece together anchor clamps A, right side wall main piece together anchor clamps A, preceding windscreen main piece together anchor clamps A, enclose main piece together anchor clamps A behind.
Then, the left side surrounding frame clamp grabbing robot 21, the right side surrounding frame clamp grabbing robot 22, the front windshield frame clamp grabbing robot 23, the rear surrounding frame clamp grabbing robot 24 respectively grab the left side surrounding assembly a, the right side surrounding main splicing clamp a, the front windshield main splicing clamp a, the rear surrounding main splicing clamp a grab the left side surrounding assembly a, the right side surrounding assembly a, the front windshield assembly a and the rear surrounding assembly a through the left side surrounding main splicing clamp a, and convey the left side surrounding assembly a, the right side surrounding assembly a, the front windshield assembly a and the rear surrounding assembly a to the main splicing station 1, so that the main splicing clamp 4 and the assembly are placed on the main splicing station frame steel structure 11 to be positioned and locked, and the assembly positioning with the floor assembly is realized.
Optionally, the left front point positioning robot 31, the right front point positioning robot 32, the left rear point positioning robot 33, and the right rear point positioning robot 34 automatically grab the left side girth welding tongs a, the front windshield welding tongs a, the rear girth welding tongs a, and the right side girth welding tongs a corresponding to the vehicle type a according to the program setting to weld the floor assembly on the main assembly station framework steel structure 11 with the assembly positions of the left side girth assembly a, the right side girth assembly a, the front windshield assembly a, and the rear girth assembly a, respectively, thereby achieving welding of the white vehicle body a.
After welding, the left front point positioning robot 31, the right front point positioning robot 32, the left rear point positioning robot 33 and the right rear point positioning robot 34 return to the working origin; a left side surrounding frame clamp grabbing robot 21, a right side surrounding frame clamp grabbing robot 22, a front windshield frame clamp grabbing robot 23 and a rear surrounding frame clamp grabbing robot 24 automatically put a left side surrounding main splicing clamp A, a right side surrounding main splicing clamp A, a front windshield main splicing clamp A and a rear surrounding main splicing clamp A to a main splicing clamp 4 storage layer for storage according to program setting; the automatic guiding transport vehicle 7 carries the body-in-white A assembly and the locking clamp to move to the next station for welding.
It should be noted that the vehicle model a in the method can be replaced by other vehicle models such as B, C according to the manufacturing requirements, and the corresponding main splicing fixture 4 and the corresponding welding tongs also adopt the corresponding models such as B, C, so that the diversified welding requirements are realized.
To sum up, the embodiment of the invention provides a body-in-white welding system and a welding method, during welding, according to the type of a body-in-white, a clamp grabbing robot 2 grabs a main splicing clamp 4 of a corresponding type, grabs a left side wall assembly 611, a right side wall assembly 621, a front windshield assembly 631 or a rear wall assembly 641 of a corresponding type through the main splicing clamp 4, conveys the assemblies to a main splicing station 1 to be assembled on a floor assembly, and a spot positioning robot 3 grabs corresponding welding tongs to weld the assembly positions, so that the welding of the body-in-white is realized. On the whole, the welding system can realize the welding of various types of body-in-white, and meets diversified welding requirements.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A body-in-white welding system, comprising:
the floor assembly splicing machine comprises a main splicing welding working layer, a main splicing station (1) is arranged on the main splicing welding working layer, a floor assembly is fixed on the main splicing station (1), and a clamp grabbing robot (2) and a click robot (3) are arranged along the circumferential direction of the main splicing station (1);
the tool storage layer (5) stores different types of main splicing fixtures (4) and welding tongs, and the fixture grabbing robot (2) and the point positioning robot (3) are respectively used for grabbing the main splicing fixtures (4) and the welding tongs;
sub-assembly buffer memory conveying layer (6), place the left side of different grade type and enclose assembly (611), right side and enclose assembly (621), preceding wind window assembly (631) and enclose assembly (641) after, every type main clamp (4) homoenergetic clamp is pieced together and is got corresponding type left side wall assembly (611), right side wall assembly (621), preceding wind window assembly (631) or enclose assembly (641) after, every type the soldering turret homoenergetic welds corresponding type left side wall assembly (611), right side wall assembly (621), preceding wind window assembly (631) or enclose assembly (641) after.
2. The body-in-white welding system according to claim 1, characterized in that said spot positioning robots (3) comprise a left front spot positioning robot (31), a right front spot positioning robot (32), a left rear spot positioning robot (33) and a right rear spot positioning robot (34) arranged along the left front side, the right front side, the left rear side and the right rear side of said main splicing station (1);
the left front point positioning robot (31), the right front point positioning robot (32), the left rear point positioning robot (33) and the right rear point positioning robot (34) can respectively weld corresponding types through the corresponding welding tongs, namely, the left side wall assembly (611), the front windshield assembly (631), the rear wall assembly (641) and the right side wall assembly (621).
3. The body-in-white welding system according to claim 1, characterized in that the clamp grabbing robot (2) comprises a left side enclosure frame clamp grabbing robot (21), a right side enclosure frame clamp grabbing robot (22), a front windshield frame clamp grabbing robot (23) and a rear enclosure frame clamp grabbing robot (24) which are arranged along the left side, the right side, the front side and the rear side of the main assembling station (1);
enclose frame anchor clamps on the left side and snatch robot (21) the frame anchor clamps on the right side snatch robot (22) preceding windshield frame anchor clamps snatch robot (23) with enclose frame anchor clamps after that and snatch robot (24) can pass through corresponding anchor clamps (4) are pieced together respectively to the owner and are got corresponding type left side wall assembly (611), right side wall assembly (621) preceding windshield assembly (631) reach enclose assembly (641) after.
4. The white body welding system according to claim 3, wherein the sub-assembly buffer conveying layer (6) comprises a left side wall buffer cache line (61), a right side wall buffer cache line (62), a front windshield buffer cache line (63) and a rear wall buffer cache line (64), the left side wall buffer cache line (61), the right side wall buffer cache line (62), the front windshield buffer cache line (63) and the rear wall buffer cache line (64) are respectively buffered with a plurality of types of the left side wall assembly (611), the right side wall assembly (621), the front windshield assembly (631) and the rear wall assembly (641), and the left side wall buffer cache line (61), the right side wall buffer cache line (62), the front windshield buffer cache line (63) and the rear wall buffer cache line (64) can also be used for corresponding types of the left side wall assembly (611), the right side wall assembly (621), The front air window assembly (631) and the rear enclosure assembly (641) are conveyed to the upper part of the main splicing station (1).
5. The body-in-white welding system according to claim 4, wherein the left side wall cache line (61), the right side wall cache line (62), the front windshield cache line (63) and the rear wall cache line (64) are respectively arranged in one-to-one correspondence with positions of the left side wall frame clamp grabbing robot (21), the right side wall frame clamp grabbing robot (22), the front windshield frame clamp grabbing robot (23) and the rear wall frame clamp grabbing robot (24).
6. The white body welding system according to claim 1, characterized in that the main splicing fixture (4) comprises a left side wall main splicing fixture (41), a right side wall main splicing fixture (42), a front windshield main splicing fixture (43) and a rear wall main splicing fixture (44), wherein the left side wall main splicing fixture (41), the right side wall main splicing fixture (42), the front windshield main splicing fixture (43) and the rear wall main splicing fixture (44) are respectively arranged in one-to-one correspondence with the left side wall assembly (611), the right side wall assembly (621), the front windshield assembly (631) and the rear wall assembly (641).
7. The white body welding system of claim 6, wherein the welding tongs comprise a plurality of types of left side wall welding tongs, right side wall welding tongs, front windshield welding tongs and rear side wall welding tongs, and the left side wall welding tongs, the right side wall welding tongs, the front windshield welding tongs and the rear side wall welding tongs are respectively arranged in one-to-one correspondence with the left side wall assembly (611), the right side wall assembly (621), the front windshield assembly (631) and the rear wall assembly (641).
8. The body-in-white welding system according to claim 7, characterized in that said tool storage levels (5) comprise a left storage level (51), a right storage level (52), a front storage level (53) and a rear storage level (54) arranged along the left, right, front and rear sides of the main assembly station (1);
the left side wall main splicing clamp (41) and the left side wall soldering turret are both stored in the left side storage layer (51), the right side wall main splicing clamp (42) and the right side wall soldering turret are both stored in the right side storage layer (52), the front air window main splicing clamp (43) and the front air window soldering turret are both stored in the front side storage layer (53), and the rear side wall main splicing clamp (44) and the rear side wall soldering turret are both stored in the rear side storage layer (54).
9. The welding and assembling system for the white body according to claim 1, wherein the main splicing welding working layer further comprises a main splicing station frame steel structure (11) and a locking clamp, the main splicing station frame steel structure (11) is arranged on the main splicing station (1), and the floor assembly is positioned and locked on the main splicing station frame steel structure (11) through the locking clamp.
10. A body-in-white welding method, characterized in that the body-in-white welding system according to any one of claims 1 to 9 is used, the body-in-white welding method comprising the steps of:
transporting the floor assembly to a main splicing station (1) and fixing according to the type of the body in white;
according to the type of a white vehicle body, conveying a left side wall main splicing clamp (41), a right side wall main splicing clamp (42), a front windshield main splicing clamp (43) and a rear wall main splicing clamp (44) of corresponding types to the upper part of the main splicing station (1); conveying the left side wall welding tongs, the right side wall welding tongs, the front windshield welding tongs and the rear side wall welding tongs of the corresponding types to the upper part of the main splicing station (1);
conveying a left side wall assembly (611), a right side wall assembly (621), a front windshield assembly (631) and a rear wall assembly (641) of corresponding types to the upper part of the main splicing station (1);
a left side wall frame clamp grabbing robot (21) grabs the left side wall assembly (611) through the left side wall main splicing clamp (41), a right side wall frame clamp grabbing robot (22) grabs the right side wall assembly (621) through the right side wall main splicing clamp (42), a front windshield frame clamp grabbing robot (23) grabs the front windshield assembly (631) through the front windshield main splicing clamp (43), and a rear side wall frame clamp grabbing robot (24) grabs the rear side wall assembly (641) through the rear side wall main splicing clamp (44) and conveys the rear side wall assembly to the main splicing station (1) to be assembled and locked with the floor assembly;
the assembly part of the floor assembly is welded by a left front point positioning robot (31), a right front point positioning robot (32), a left rear point positioning robot (33) and a right rear point positioning robot (34) through the left side wall welding tongs, the front windshield welding tongs, the rear wall welding tongs and the right side wall welding tongs.
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Application publication date: 20211022 |