CN111633334B - White automobile body welding production line of car - Google Patents
White automobile body welding production line of car Download PDFInfo
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- CN111633334B CN111633334B CN202010536179.8A CN202010536179A CN111633334B CN 111633334 B CN111633334 B CN 111633334B CN 202010536179 A CN202010536179 A CN 202010536179A CN 111633334 B CN111633334 B CN 111633334B
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- 238000003466 welding Methods 0.000 title claims abstract description 90
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 239000000428 dust Substances 0.000 claims abstract description 31
- 239000000835 fiber Substances 0.000 claims abstract description 4
- 238000003780 insertion Methods 0.000 claims description 13
- 230000037431 insertion Effects 0.000 claims description 10
- 230000000712 assembly Effects 0.000 claims description 9
- 238000000429 assembly Methods 0.000 claims description 9
- 230000005611 electricity Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/16—Removal of by-products, e.g. particles or vapours produced during treatment of a workpiece
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses an automobile body-in-white welding production line, which comprises a plurality of independent line bodies and a laser welding workstation, wherein the plurality of line bodies are distributed around the laser welding workstation; the laser welding system comprises a laser room, a light source room and dust removing equipment, wherein a ground positioning mechanism for positioning a workpiece is arranged in the laser room, positioning trays are arranged at the bottoms of the workpieces in each line body, the positioning is realized by matching the positioning trays with the ground positioning mechanism, and a plurality of laser welding robots are arranged around the ground positioning mechanism; be provided with a laser generator in the light source room, be equipped with the laser head on every laser welding robot, laser generator is connected with many laser welding robot's laser head respectively through many laser fiber. Compared with the prior art, the invention has the following advantages: the laser welding system is shared by a plurality of line bodies, so that the cost is greatly saved.
Description
Technical Field
The invention relates to an automobile production line, in particular to an automobile body-in-white welding production line.
Background
In the production and manufacturing process of the white automobile body, common welding methods for plates include resistance welding, arc welding, gas welding, laser welding and the like. Laser welding has the advantages of high energy density, small welding deformation, high welding speed and the like, so the laser welding technology is widely applied to the automobile manufacturing industry.
In a traditional white car body production line, laser welding stations are directly planned inside line bodies, laser welding stations are arranged inside each line body, if a top cover laser welding station is planned inside a top cover line body, a door cover laser welding station is planned inside a door cover line body, in the layout mode, a set of laser welding system is required to be arranged at the laser welding station inside each line body, and therefore a plurality of sets of laser welding equipment are required to be input.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an automobile body-in-white welding production line so as to realize that a plurality of line bodies share one set of laser welding system, thereby greatly saving the cost.
The invention is realized by the following technical scheme:
a welding production line for a white automobile body of an automobile comprises a plurality of independent line bodies and a laser welding workstation, wherein the plurality of line bodies are distributed around the laser welding workstation;
the laser welding system comprises a laser room, wherein a ground positioning mechanism used for positioning workpieces is arranged in the laser room, positioning trays are arranged at the bottoms of the workpieces in each line body, the positioning is realized by the cooperation of the positioning trays and the ground positioning mechanism, and a plurality of laser welding robots are arranged around the ground positioning mechanism.
Furthermore, two positioning pins and a plurality of upper positioning blocks are arranged at the bottom of the positioning tray, the positioning tray is a rectangular tray, the two positioning pins are positioned at two non-adjacent corners at the bottom of the positioning tray, and the upper positioning blocks are respectively arranged at the other two corners at the bottom of the positioning tray; the ground positioning mechanism comprises a base, wherein two positioning hole assemblies and a plurality of lower positioning blocks are arranged on the base, the two positioning hole assemblies are matched with the two positioning pins in a one-to-one insertion mode to realize positioning, the lower positioning blocks are the same as the upper positioning blocks in number, and the bottom planes of the lower positioning blocks are in one-to-one fit with the top planes of the upper positioning blocks to realize positioning.
Furthermore, the bottom of the positioning tray is provided with a pneumatic-electric quick-plugging female head, and the top of the ground positioning mechanism is provided with a pneumatic-electric quick-plugging male head which is in plug-in fit with the pneumatic-electric quick-plugging female head.
Furthermore, the two positioning hole assemblies on the base are respectively a first positioning hole assembly and a second positioning hole assembly, the first positioning hole assembly comprises four first bearings, each first bearing is rotatably arranged on a first bearing support, the four first bearing supports enclose a rectangular frame, and the four first bearings enclose a first insertion space for inserting the positioning pin; the second positioning hole assembly comprises two second bearings, each second bearing is rotatably arranged on the second bearing support, and a second insertion space for inserting the positioning pin is formed between the two second bearings.
Further, the laser welding system still includes the light source room, the light source room sets up in the laser room outside, be provided with a laser generator in the light source room, be equipped with the laser head on every laser welding robot, laser generator is connected with the laser head of many laser welding robots respectively through many laser optical fiber.
Furthermore, the laser welding system further comprises a dust removal device, wherein the dust removal device is arranged outside the laser room, and the dust removal device is used for removing dust inside the laser room.
Further, dust collecting equipment passes through dust removal pipeline and is connected with the laser room, the whole U-shaped that is of dust removal pipeline, dust removal pipeline encloses peripherally in the three side in laser room, and is equipped with a plurality of bleeder on the dust removal pipeline, stretches into inside the laser room through a plurality of bleeder.
Furthermore, still be equipped with reserve ground positioning mechanism in the laser room, reserve ground positioning mechanism is located one of them laser welding robot outside.
Compared with the prior art, the invention has the following advantages:
1. according to the automobile body-in-white welding production line, a plurality of line bodies are designed to share one laser welding system, and the internal composition of the laser welding system is improved, so that the laser welding system can position and laser weld workpieces of the plurality of line bodies, welding of different workpieces is completed through one laser welding system, production requirements are met, and cost is greatly saved.
2. According to the invention, the ground positioning mechanism is designed in the laser room of the laser welding system, the positioning tray at the bottom of the workpiece in each line body is provided with the corresponding positioning structure, and the positioning is realized by matching the positioning tray with the ground positioning mechanism, so that the matching of one ground positioning mechanism and a plurality of workpieces is realized, and the universality of the laser welding system is improved. And between the positioning tray and the ground positioning mechanism, the positioning tray and the ground positioning mechanism can be accurately positioned through the insertion fit of the positioning pin and the positioning hole assembly and the attachment of the positioning planes of the upper positioning block and the lower positioning block, and the positioning tray and the ground positioning mechanism are simple in structure and high in positioning accuracy.
Drawings
Fig. 1 is a block diagram of the overall layout of the present invention.
FIG. 2 is a block diagram of a laser welding system layout of the present invention.
Fig. 3 is a schematic view of the positioning tray of the present invention positioned above a floor positioning mechanism.
Fig. 4 is a schematic structural view of the positioning tray and the ground positioning mechanism of the present invention after being positioned.
Fig. 5 is a schematic structural view of the positioning tray of the present invention.
Fig. 6 is a schematic structural view of the ground positioning mechanism of the present invention.
Fig. 7 is an enlarged view of fig. 6 at a.
Fig. 8 is an enlarged view of fig. 6 at B.
Fig. 9 is a schematic structural view of the dust removing apparatus of the present invention.
Fig. 10 is a perspective view of a laser room of the present invention.
Fig. 11 is a perspective view of the laser welding robot and the ground positioning mechanism of the present invention.
Fig. 12 is a schematic diagram of the structure of the present invention in high-beat operation.
Reference numbers in the figures: 1 laser room, 2 light source rooms, 3 dust collecting equipment, 4 ground positioning mechanism, 5 location tray, 6 laser welding robot, 7 laser generator, 8 laser heads, 9 laser fiber, 10 dust removal pipeline, 11 bleeder, 12 locating pins, 13 go up the locating piece, 14 bases, 15 lower locating pieces, 16 first locating hole subassemblies, 17 second locating hole subassemblies, 18 first bearings, 19 first bearing supports, 20 roof, 21 cylinders, 22 gas electricity quick plug female head, 23 gas electricity quick plug male head, 24AGV dolly, 25 elevating system, 26 laser welding workstation.
Detailed Description
The following examples are given for the detailed implementation and specific operation of the present invention, but the scope of the present invention is not limited to the following examples.
Referring to fig. 1 to 12, the embodiment discloses an automotive body-in-white welding production line, which includes a plurality of independent lines and a laser welding workstation 26, and the embodiment includes five lines, namely, a line a, a line B, a line C, a line D, and a line E. A plurality of line bodies are distributed around the laser welding workstation 26, a set of laser welding system is arranged in the laser welding workstation 26, and the plurality of line bodies share the set of laser welding system.
The laser welding system comprises a laser room 1, a light source room 2 and a dust removing device 3, wherein a ground positioning mechanism 4 for positioning workpieces is arranged in the laser room 1, positioning trays 5 are arranged at the bottoms of the workpieces in each line body, the positioning is realized by matching the positioning trays 5 with the ground positioning mechanism 4, and a plurality of laser welding robots 6 are arranged around the ground positioning mechanism 4; the light source room 2 is arranged outside the laser room 1, a laser generator 7 is arranged in the light source room 2, a laser head 8 is arranged on each laser welding robot 6, and the laser generator 7 is respectively connected with the laser heads 8 of the laser welding robots 6 through a plurality of laser fibers 9; dust collecting equipment 3 sets up in the 1 outside in laser room, and dust collecting equipment 3 is connected with laser room 1 through dust removal pipeline 10, and dust removal pipeline 10 is whole to be the U-shaped, and dust removal pipeline 10 encloses in laser room 1 three side periphery, and is equipped with a plurality of bleeder 11 on the dust removal pipeline 10, stretches into laser room 1 inside through a plurality of bleeder 11, removes dust to laser room 1 inside through dust collecting equipment 3.
The bottom of the positioning tray 5 is provided with two positioning pins 12 and a plurality of upper positioning blocks 13, the positioning tray 5 is a rectangular tray, the positioning tray is provided with four upper positioning blocks 13 in the embodiment, the two positioning pins 12 are positioned at two nonadjacent corners at the bottom of the positioning tray 5, and the other two corners at the bottom of the positioning tray 5 are respectively provided with the upper positioning blocks 13; the ground positioning mechanism 4 comprises a base 14, two positioning hole assemblies and a plurality of lower positioning blocks 15 are arranged on the base 14, and the two positioning hole assemblies are in one-to-one corresponding insertion fit with the two positioning pins 12 to realize positioning. The two positioning hole assemblies on the base 14 are respectively a first positioning hole assembly 16 and a second positioning hole assembly 17, the first positioning hole assembly 16 comprises four first bearings 18, each first bearing 18 is rotatably arranged on a first bearing support 19, the four first bearing supports 19 form a rectangular frame in a surrounding mode, and the four first bearings 18 form a first insertion space for inserting the positioning pin 12; the second positioning hole assembly 17 includes two second bearings each rotatably provided on a second bearing support, and a second insertion space into which the positioning pin 12 is inserted is formed between the two second bearings. The number of the lower positioning blocks 15 is the same as that of the upper positioning blocks 13, and the bottom planes of the lower positioning blocks 15 are in one-to-one correspondence with the top planes of the upper positioning blocks 13 to realize positioning.
The bottom of the positioning tray 5 is provided with a pneumatic-electric quick-insertion female head 22, and the top of the ground positioning mechanism 4 is provided with a pneumatic-electric quick-insertion male head 23 which is in plug-in fit with the pneumatic-electric quick-insertion female head 22. Wherein, public head 23 of inserting is inserted soon to the gas electricity sets up on a roof 20, installs a cylinder 21 on the ground positioning mechanism 4, and roof 20 is connected with the piston rod top of cylinder 21, through the lifting of cylinder 21 drive roof 20 to realize that public head 23 of inserting is inserted soon to the gas electricity on the roof 20 and the cooperation of pegging graft mutually of the female head 22 of inserting soon of the gas electricity of a tray bottom.
Still be equipped with reserve ground positioning mechanism 4 in the laser room 1, reserve ground positioning mechanism 4 is located one of them laser welding robot 6 outsides. At this moment, this 6 both sides of laser welding robot all are provided with ground positioning mechanism 4, and this kind of structure can adapt to the job requirement of high beat, and when one of them side was last or need switch location tray 5, laser welding robot 6 can carry out welding jobs at the opposite side, has saved the time of waiting, and then has realized laser welding robot 6's make full use of, has promoted corresponding production beat.
During operation, carry the work piece (for example the door closure) in the line body to the 4 tops of ground positioning mechanism in the laser room 1 through AGV dolly 24, after arriving the position, elevating system 25 on the AGV dolly 24 descends, the location tray 5 of work piece bottom falls into on the ground positioning mechanism 4, through the grafting cooperation of locating pin 12 and location punch combination spare, and go up the location plane's of locating piece 13 and lower locating piece 15 laminating, six degrees of freedom of this ground positioning mechanism 4 to location tray 5 are fixed a position, can realize the accurate positioning of location tray 5. After positioning is finished, the air cylinder 21 acts to push the top plate 20 to ascend, and the gas-electricity quick plug male head 23 is pushed into the gas-electricity quick plug female head 22, so that automatic gas-electricity supply is realized; at this time, the positioning operation of the positioning tray 5 and the ground positioning mechanism 4 is completed. Then the clamping cylinder 21 is turned over to clamp the positioning tray 5; the welding robot operates to perform the welding operation. After the welding is finished, the clamping cylinder 21 is opened, the clamped positioning tray 5 is loosened, and then the workpiece after the welding is finished is transported out through the AGV trolley 24, so that the welding operation of the workpiece is finished. When other workpieces need to be welded, the AGV trolley 24 is used for switching the other workpieces to be sent to the welding station.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a white automobile body welding production line of car, includes many independent lines body, its characterized in that: the laser welding system comprises a laser welding workstation, a plurality of wire bodies and a control system, wherein the laser welding workstation is provided with a set of laser welding system, and the plurality of wire bodies share the set of laser welding system;
the laser welding system comprises a laser room, wherein a ground positioning mechanism for positioning a workpiece is arranged in the laser room, positioning trays are arranged at the bottoms of the workpieces in all lines, the positioning is realized by matching the positioning trays with the ground positioning mechanism, and a plurality of laser welding robots are arranged around the ground positioning mechanism;
the bottom of the positioning tray is provided with two positioning pins and a plurality of upper positioning blocks, the positioning tray is a rectangular tray, the two positioning pins are positioned at two nonadjacent corners at the bottom of the positioning tray, and the other two corners at the bottom of the positioning tray are respectively provided with the upper positioning blocks; the ground positioning mechanism comprises a base, two positioning hole assemblies and a plurality of lower positioning blocks are arranged on the base, the two positioning hole assemblies are in one-to-one corresponding insertion fit with the two positioning pins to realize positioning, the number of the lower positioning blocks is the same as that of the upper positioning blocks, and the bottom planes of the lower positioning blocks are in one-to-one corresponding fit with the top planes of the upper positioning blocks to realize positioning;
the two positioning hole assemblies on the base are respectively a first positioning hole assembly and a second positioning hole assembly, the first positioning hole assembly comprises four first bearings, each first bearing is rotatably arranged on a first bearing support, the four first bearing supports form a rectangular frame in an enclosing mode, and the four first bearings form a first insertion space for inserting the positioning pin; the second positioning hole assembly comprises two second bearings, each second bearing is rotatably arranged on the second bearing support, and a second insertion space for inserting the positioning pin is formed between the two second bearings.
2. An automotive body-in-white welding line as defined in claim 1, characterized in that: the bottom of the positioning tray is provided with a pneumatic-electric quick-plugging female head, and the top of the ground positioning mechanism is provided with a pneumatic-electric quick-plugging male head which is in plugging fit with the pneumatic-electric quick-plugging female head.
3. An automotive body-in-white welding line as defined in claim 1, characterized in that: the laser welding system further comprises a light source room, the light source room is arranged outside the laser room, a laser generator is arranged in the light source room, a laser head is arranged on each laser welding robot, and the laser generator is connected with the laser heads of the laser welding robots through a plurality of laser fibers.
4. An automotive body-in-white welding line as defined in claim 1, characterized in that: the laser welding system further comprises dust removal equipment, wherein the dust removal equipment is arranged outside the laser room, and the dust removal equipment is used for removing dust inside the laser room.
5. An automotive body-in-white welding line according to claim 4, characterized in that: dust collecting equipment passes through dust removal pipeline and is connected with the laser room, the whole U-shaped that is of dust removal pipeline, dust removal pipeline encloses peripherally in the three side in laser room, and is equipped with a plurality of bleeder on the dust removal pipeline, stretches into inside the laser room through a plurality of bleeder.
6. An automotive body-in-white welding line as defined in claim 1, characterized in that: still be equipped with reserve ground positioning mechanism in the laser room, reserve ground positioning mechanism is located one of them laser welding robot outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010536179.8A CN111633334B (en) | 2020-06-12 | 2020-06-12 | White automobile body welding production line of car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010536179.8A CN111633334B (en) | 2020-06-12 | 2020-06-12 | White automobile body welding production line of car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111633334A CN111633334A (en) | 2020-09-08 |
| CN111633334B true CN111633334B (en) | 2022-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010536179.8A Active CN111633334B (en) | 2020-06-12 | 2020-06-12 | White automobile body welding production line of car |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2237501Y (en) * | 1996-02-28 | 1996-10-16 | 滕玉铉 | Spinning press for shaping head of metal pipe |
| JPH11226763A (en) * | 1998-02-17 | 1999-08-24 | Nissan Motor Co Ltd | Laser beam welding equipment |
| CN104588881A (en) * | 2015-01-11 | 2015-05-06 | 沈阳汇能机器人自动化有限公司 | Full-automatic robot laser welding system |
| CN109676252A (en) * | 2019-02-02 | 2019-04-26 | 宁波吉利汽车研究开发有限公司 | Laser workstation |
| CN109676270A (en) * | 2019-02-02 | 2019-04-26 | 宁波吉利汽车研究开发有限公司 | Vehicle body flexible intelligent production line |
-
2020
- 2020-06-12 CN CN202010536179.8A patent/CN111633334B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2237501Y (en) * | 1996-02-28 | 1996-10-16 | 滕玉铉 | Spinning press for shaping head of metal pipe |
| JPH11226763A (en) * | 1998-02-17 | 1999-08-24 | Nissan Motor Co Ltd | Laser beam welding equipment |
| CN104588881A (en) * | 2015-01-11 | 2015-05-06 | 沈阳汇能机器人自动化有限公司 | Full-automatic robot laser welding system |
| CN109676252A (en) * | 2019-02-02 | 2019-04-26 | 宁波吉利汽车研究开发有限公司 | Laser workstation |
| CN109676270A (en) * | 2019-02-02 | 2019-04-26 | 宁波吉利汽车研究开发有限公司 | Vehicle body flexible intelligent production line |
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| Publication number | Publication date |
|---|---|
| CN111633334A (en) | 2020-09-08 |
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Denomination of invention: A welding production line for automotive white body Effective date of registration: 20231225 Granted publication date: 20220401 Pledgee: Industrial and Commercial Bank of China Limited Hefei Urban Construction Sub branch Pledgor: Anhui Juyi Technology Co.,Ltd. Registration number: Y2023980074246 |
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