CN114850717A - Multi-vehicle-type white-body collinear welding production system and welding production method - Google Patents
Multi-vehicle-type white-body collinear welding production system and welding production method Download PDFInfo
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- CN114850717A CN114850717A CN202210480878.4A CN202210480878A CN114850717A CN 114850717 A CN114850717 A CN 114850717A CN 202210480878 A CN202210480878 A CN 202210480878A CN 114850717 A CN114850717 A CN 114850717A
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- sledge
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0461—Welding tables
-
- 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
-
- 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
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
A welding production system and a welding production method for collinear body-in-white of multiple vehicle types are provided. Relates to the field of white automobile body production, and solves the problems of long debugging period and high cost of a welding wire. The invention can be applied to the body-in-white trial workshop. The system comprises a main splicing station, a repair welding station, a scribing sledge and a transfer trolley, wherein the main splicing station is a manual suspension spot welding machine station, the repair welding station is a double-robot seven-shaft station, the scribing sledge positions the white automobile body on the main splicing station and the repair welding station to complete a welding process, and the scribing sledge is also used for being arranged on the transfer trolley to bear the white automobile body. Customizing sledges of different vehicle types and performing robot off-line simulation programming; positioning the scribing sledge at a main splicing station, and positioning the vehicle body on the scribing sledge to start a main splicing process; separating the lifting device from the vehicle body positioning platform; the transfer trolley is transported to a repair welding station, falls into a repair welding station vehicle body positioning platform by utilizing a lifting device, and starts the robot; separating the car body positioning platform by using the lifting device; and (5) carrying out robot debugging after the next vehicle type main tailor-welding process is finished, and repeating the operations.
Description
Technical Field
The invention relates to the field of white body welding production, in particular to a collinear welding production technology for multi-vehicle type white bodies.
Background
With the rapid development of the automobile industry, the competition among various host manufacturers is intensified, and various manufacturers rapidly launch new products to seize the market. In a new product trial-manufacturing stage, the automation of a trial-manufacturing workshop is difficult due to the fact that the new vehicle models of the trial-manufacturing workshop of the whole vehicle factory are switched very frequently, the existing traditional trial-manufacturing adopts a welding production mode of manual spot welding and manual repair welding, the problems are solved by means of assembly outsourcing, manpower employment, production shift increase, sharing of a certain production station and the like, and the trial-manufacturing method is limited in field of the trial-manufacturing workshop, short in trial-manufacturing period, high in labor cost and difficult to control welding quality.
The prior published patent document CN111515581A discloses a collinear automatic flexible main welding line for multiple vehicle types, which comprises a positioning switching station, a total splicing station, a repair welding station and a lower line station, wherein the system comprises a PLC system, a welding robot, a gripping tool, a rolling machine, a trolley and the like, the PLC controls the trolley to move on the rolling machine to realize the circulation, the lower line and the like of parts on the stations, the collinear production of the planned collinear main welding stations for multiple vehicle types can be realized, the welding stations are shared by the multiple vehicle types, but some problems still exist. For example: the main welding line has high automation degree and complex system, if new product production planning exists, hardware facilities such as welding fixtures and grippers need to be adjusted in a debugging stage of a preparation stage, meanwhile, a welding program and a PLC control program need to be adjusted, the debugging period is long, the original vehicle type cannot be continuously produced in the debugging process, so that production is stopped, and the yield requirement in a trial production stage cannot be met; the shared rolling machine is long in line body and large in occupied area, and the one-time investment cost of the rolling machine is high; in order to realize the work of loading, clamping and the like, a grabbing and lifting robot is adopted, and the one-time investment cost of the equipment is higher.
Disclosure of Invention
The invention provides a welding production system and a welding production method for collinear white bodies of multiple vehicle types, aiming at solving the problems of long debugging period and high cost of the traditional collinear welding lines of the multiple vehicle types.
The technical scheme of the invention is as follows:
the production system comprises a main splicing station, a repair welding station, a scribing sledge and a transfer trolley, wherein the main splicing station is a manual suspension spot welding machine station, the repair welding station is a double-robot seven-shaft station, the transfer trolley is used for transferring a white automobile body which is subjected to a main splicing process at the main splicing station to the repair welding station, and the scribing sledge is used for positioning the white automobile body on the main splicing station and the repair welding station to complete the welding process and is also used for being placed on the transfer trolley to bear the white automobile body to complete the transfer process.
Preferably, the transfer process of the transfer trolley is manually completed.
Preferably, the main splicing station and the repair welding station are both provided with a vehicle body positioning platform.
Preferably, the lower surface of the scribing sledge and the upper surface of the vehicle body positioning platform are respectively provided with a positioning pin and a positioning hole, so that the scribing sledges of different vehicle types can be positioned on the main splicing station and the repair welding station.
Preferably, the upper surface of the scribing sledge is further provided with a special vehicle body positioning device connected with the body in white, so that the body in white of different vehicle types can be positioned.
Preferably, the vehicle body positioning platform is provided with a lifting device for lifting the scratching sledge to move up and down and fall into or separate from the vehicle body positioning platform.
The invention also provides a multi-vehicle type white vehicle body collinear welding production method, which applies the production system and specifically comprises the following steps:
s1, analyzing the body structure of multiple vehicle types, customizing a special scribing sledge according to different vehicle types, and performing robot off-line simulation and programming of a repair welding station;
s2, positioning the scribing sledges corresponding to the multiple vehicle types on each main splicing station respectively, positioning the vehicle body to be welded on the scribing sledges, and starting a main splicing welding process;
s3, after a vehicle type main splicing welding procedure is completed, lifting the scribing sledge to move upwards by adopting a lifting device of a vehicle body positioning platform on a main splicing station, and separating the vehicle body positioning platform from the main splicing station;
s4, placing the scribing sledge on a transfer trolley, manually transferring the scribing sledge to the repair welding station, lifting the scribing sledge to move downwards by adopting a lifting device of the vehicle body positioning platform on the repair welding station, so that the scribing sledge falls on the vehicle body positioning platform of the repair welding station, and starting a robot to start a repair welding process;
s5, after the repair welding process is finished, lifting the scribing sledge to move upwards by adopting a lifting device of the vehicle body positioning platform on the repair welding station, separating the scribing sledge from the vehicle body positioning platform on the repair welding station, and taking away the scribing sledge and the vehicle body to finish the vehicle body manufacturing of the vehicle type;
and S6, after the next vehicle type main splice welding process is finished, carrying out repair welding station robot debugging, and repeating the operations of S3-S5 to finish the collinear welding production of the multi-vehicle type body in white.
Compared with the prior art, the invention solves the problems of long debugging cycle and high cost of collinear bonding wires of multiple vehicle types, and has the following specific beneficial effects:
1. the system provided by the invention integrates manual welding and automatic welding and is applied to splicing and welding of the vehicle body assembly. Compared with pure manual welding, the repair welding work efficiency and the welding spot quality are improved, the labor intensity of workers is reduced, and the automatic repair welding of the multi-vehicle type body-in-white assembly at the same station can be realized; compared with full-automatic welding, the automatic welding device reduces a large amount of investment in automatic equipment, and improves the flexibility of the whole system through the setting of manual stations.
2. The system provided by the invention adopts the scribing sledges as the positioning tool of the welding station, is provided with the universal platform positioning device and the special vehicle body positioning device, can start production only by replacing the scribing sledges corresponding to the corresponding vehicle types when the trial production line switches the vehicle types, does not need to repair the welding station or carry out any adjustment, can be realized by selecting the welding program of the corresponding vehicle types by the robot, has high vehicle type switching speed, and can greatly improve the vehicle body production efficiency.
Drawings
FIG. 1 is a schematic view of the station distribution described in example 1;
FIG. 2 is a schematic view of the structure of the transfer vehicle according to embodiment 1;
fig. 3 is a schematic view of the sled structure in embodiment 1.
FIG. 4 is a schematic view showing the structure of the rowing machine in embodiment 1, which is placed on a transfer vehicle;
FIG. 5 is a schematic structural view of the vehicle body positioning platform in embodiment 3;
Detailed Description
In order to make the technical solutions of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, 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.
Example 1.
The embodiment provides a collinear welding production system for multi-vehicle-type white vehicle bodies, which comprises a plurality of main splicing stations, a repair welding station, a scribing sledge and a transfer trolley, wherein the main splicing stations are manual suspension spot welding machine stations, the repair welding station is a double-robot seven-shaft station, the transfer trolley is used for transferring the white vehicle bodies subjected to the main splicing process at the main splicing stations to the repair welding station, and the scribing sledge is used for positioning the white vehicle bodies on the main splicing stations and the repair welding station to complete the welding process and is also used for being arranged on the transfer trolley to bear the white vehicle bodies to complete the transfer process.
Fig. 1 is a schematic diagram of the distribution of stations in the production system according to this embodiment, and taking the composition of four main splicing stations and one repair welding station as an example, in the diagram, stations 1 to 4 represent the four main splicing stations, and station 5 represents the repair welding station. The structure of the transfer vehicle is schematically shown in figure 2, the structure of the scribing sledge is schematically shown in figure 3, and the scribing sledge can be arranged on the transfer vehicle as shown in figure 4 and used for transferring the white body to a repair welding station.
For the vehicle types with larger structural differences of the vehicle bodies, the same repair welding station is shared by 2-3 vehicle types at most, while the number of the available vehicle types of the system provided by the embodiment depends on the scheduling condition, for example, the production capacity is 8 per shift per day, the production requirement is 1/day, and the collinear production of 8 vehicle types can be met; if the production requirement is 1/2 days, the collinear production of 16 vehicle types can be met. The number of the manual main splicing stations is correspondingly expanded, the assembly and debugging process does not influence the production of other stations, and the investment of automatic equipment is greatly reduced.
Example 2.
This example is a further illustration of example 1, wherein the transfer of the trolley is performed manually.
Example 3.
In this embodiment, a vehicle body positioning platform is arranged on both the main splicing station and the repair welding station.
The production system that this embodiment provided is different from traditional production system, and the station sets up automobile body location platform, and it is shown in fig. 5 to be used for drawing the positioning of sledge cooperation realization automobile body.
Example 4.
In this embodiment, a positioning pin and a positioning hole are respectively disposed on the lower surface of the scribing sledge and the upper surface of the vehicle body positioning platform, so as to position the scribing sledges of different vehicle types on the main splicing station and the repair welding station.
The production system that this embodiment provided, it cooperates with car sound location platform to use and draw the sledge, realizes the quick locate function of different motorcycle types on the station, like this in new motorcycle type continuous production process, only need directly switch the motorcycle type and draw the sledge promptly, need not to carry out any regulation to the worker, and the robot can continuous operation, and production efficiency can improve greatly.
Example 5.
In this embodiment, to further exemplify embodiment 3, a dedicated vehicle body positioning device connected to the body-in-white is further disposed on the upper surface of the sled, so as to position the body-in-white of different vehicle types.
Example 6.
In this embodiment, a lifting device is disposed on the vehicle body positioning platform for lifting the sledge to move up and down, and fall into or separate from the vehicle body positioning platform.
Example 7.
The embodiment provides a welding production method for collinear body-in-white of multiple vehicle types, which applies the production system of any one of embodiments 1 to 6 and specifically comprises the following steps:
s1, analyzing the body structure of multiple vehicle types, customizing a special scribing sledge according to different vehicle types, and performing robot off-line simulation and programming of a repair welding station;
s2, positioning the scribing sledges corresponding to the multiple vehicle types on each main splicing station respectively, positioning the vehicle body to be welded on the scribing sledges, and starting a main splicing welding process;
s3, after a vehicle type main splicing welding procedure is completed, lifting the scribing sledge to move upwards by adopting a lifting device of a vehicle body positioning platform on a main splicing station, and separating the vehicle body positioning platform from the main splicing station;
s4, placing the scribing sledge on a transfer trolley, manually transferring the scribing sledge to the repair welding station, lifting the scribing sledge to move downwards by adopting a lifting device of the vehicle body positioning platform on the repair welding station, so that the scribing sledge falls on the vehicle body positioning platform of the repair welding station, and starting a robot to start a repair welding process;
s5, after the repair welding process is finished, lifting the scribing sledge to move upwards by adopting a lifting device of the vehicle body positioning platform on the repair welding station, separating the scribing sledge from the vehicle body positioning platform on the repair welding station, and taking away the scribing sledge and the vehicle body to finish the vehicle body manufacturing of the vehicle type;
and S6, after the next vehicle type main splice welding process is finished, carrying out repair welding station robot debugging, and repeating the operations of S3-S5 to finish the collinear welding production of the multi-vehicle type body in white.
According to the collinear welding production method for the multiple vehicle types of the white vehicle bodies, the production system is applied, and the vehicle type switching speed is greatly improved. On one hand, in the production preparation stage of the new vehicle type, only the robot debugging of the new vehicle type occupies 1 day of the production resources of the robot, while the traditional form also relates to that the tooling assembly and the debugging need to occupy 5 to 7 days of the production resources of the robot; on the other hand, in the continuous production process of the new vehicle type, the vehicle type can be directly switched and the sledge can be scratched without adjustment, the robot can continuously work, and the production efficiency is high.
The above description of the embodiments is only intended to facilitate the understanding of the method of the invention and its core ideas; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (7)
1. The welding production system is characterized by comprising a main splicing station, a repair welding station, a scribing sledge and a transfer trolley, wherein the main splicing station is a manual suspension spot welding machine station, the repair welding station is a double-robot seven-shaft station, the transfer trolley is used for transferring a white automobile body which is subjected to a main splicing process at the main splicing station to the repair welding station, and the scribing sledge is used for positioning the white automobile body on the main splicing station and the repair welding station to complete a welding process and is also used for being placed on the transfer trolley to bear the white automobile body to complete a transfer process.
2. The collinear weld-on production system for bodies-in-white of multiple vehicle types according to claim 1, wherein the transfer of the transfer vehicle is performed manually.
3. The collinear welding production system for the bodies in white of multiple vehicle types according to claim 1, wherein a body positioning platform is arranged on each of the main splicing station and the repair welding station.
4. The collinear welding production system for the multiple vehicle types of body-in-white vehicles as claimed in claim 3, wherein the lower surface of the scribing sledge and the upper surface of the vehicle body positioning platform are respectively provided with a positioning pin and a positioning hole so as to realize the positioning of the scribing sledges of different vehicle types on the main splicing station and the repair welding station.
5. The collinear welding production system for the multiple vehicle types of body-in-white, as recited in claim 3, wherein the upper surface of the sledge is further provided with a special body positioning device connected with the body-in-white, so as to realize the positioning of the body-in-white of different vehicle types.
6. The collinear welding production system for the multi-vehicle type bodies in white according to claim 3, wherein a lifting device is arranged on the vehicle body positioning platform and used for lifting the scribing sledge to move up and down and fall into or separate from the vehicle body positioning platform.
7. A multi-vehicle body-in-white collinear welding production method is characterized in that the method applies the production system of any one of claims 1-6, and specifically comprises the following steps:
s1, analyzing the body structure of multiple vehicle types, customizing a special scribing sledge according to different vehicle types, and performing robot off-line simulation and programming of a repair welding station;
s2, positioning the scribing sledges corresponding to the multiple vehicle types on each main splicing station respectively, positioning the vehicle body to be welded on the scribing sledges, and starting a main splicing welding process;
s3, after a vehicle type main splicing welding procedure is completed, lifting the scribing sledge to move upwards by adopting a lifting device of a vehicle body positioning platform on a main splicing station, and separating the vehicle body positioning platform from the main splicing station;
s4, placing the scribing sledge on a transfer trolley, manually transferring the scribing sledge to the repair welding station, lifting the scribing sledge to move downwards by adopting a lifting device of the vehicle body positioning platform on the repair welding station, so that the scribing sledge falls on the vehicle body positioning platform of the repair welding station, and starting a robot to start a repair welding process;
s5, after the repair welding process is finished, lifting the scribing sledge to move upwards by adopting a lifting device of the vehicle body positioning platform on the repair welding station, separating the scribing sledge from the vehicle body positioning platform on the repair welding station, and taking away the scribing sledge and the vehicle body to finish the vehicle body manufacturing of the vehicle type;
and S6, after the next vehicle type main splice welding process is finished, carrying out repair welding station robot debugging, and repeating the operations of S3-S5 to finish the collinear welding production of the multi-vehicle type body in white.
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| CN202210480878.4A CN114850717A (en) | 2022-05-05 | 2022-05-05 | Multi-vehicle-type white-body collinear welding production system and welding production method |
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| CN202210480878.4A CN114850717A (en) | 2022-05-05 | 2022-05-05 | Multi-vehicle-type white-body collinear welding production system and welding production method |
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|---|---|---|---|---|
| JP2005288666A (en) * | 2004-04-05 | 2005-10-20 | Honda Motor Co Ltd | Workpiece transferring device |
| CN201317420Y (en) * | 2008-09-22 | 2009-09-30 | 广州本田汽车有限公司 | Automobile body floor assembly finishing and conveying installation |
| CN201783778U (en) * | 2010-08-20 | 2011-04-06 | 奇瑞汽车股份有限公司 | Welding line clamp system |
| CN208483498U (en) * | 2018-06-25 | 2019-02-12 | 广东国哲自动化设备有限公司 | A kind of semi-automatic production line |
| CN109530954A (en) * | 2019-02-02 | 2019-03-29 | 宁波吉利汽车研究开发有限公司 | White body always spells integrated welding production line |
| CN209740020U (en) * | 2019-03-04 | 2019-12-06 | 斯图加特航空自动化（青岛）有限公司 | Lathe bed RGV trolley production line |
| CN113523680A (en) * | 2020-04-17 | 2021-10-22 | 陕西重型汽车有限公司 | Flexible trial-production welding wire |
| CN114310107A (en) * | 2022-01-04 | 2022-04-12 | 一汽解放汽车有限公司 | Vehicle welding method and vehicle welding control apparatus |
-
2022
- 2022-05-05 CN CN202210480878.4A patent/CN114850717A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005288666A (en) * | 2004-04-05 | 2005-10-20 | Honda Motor Co Ltd | Workpiece transferring device |
| CN201317420Y (en) * | 2008-09-22 | 2009-09-30 | 广州本田汽车有限公司 | Automobile body floor assembly finishing and conveying installation |
| CN201783778U (en) * | 2010-08-20 | 2011-04-06 | 奇瑞汽车股份有限公司 | Welding line clamp system |
| CN208483498U (en) * | 2018-06-25 | 2019-02-12 | 广东国哲自动化设备有限公司 | A kind of semi-automatic production line |
| CN109530954A (en) * | 2019-02-02 | 2019-03-29 | 宁波吉利汽车研究开发有限公司 | White body always spells integrated welding production line |
| CN209740020U (en) * | 2019-03-04 | 2019-12-06 | 斯图加特航空自动化（青岛）有限公司 | Lathe bed RGV trolley production line |
| CN113523680A (en) * | 2020-04-17 | 2021-10-22 | 陕西重型汽车有限公司 | Flexible trial-production welding wire |
| CN114310107A (en) * | 2022-01-04 | 2022-04-12 | 一汽解放汽车有限公司 | Vehicle welding method and vehicle welding control apparatus |
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