CN112276302A - Welding and carrying integrated process of battery frame assembly - Google Patents
Welding and carrying integrated process of battery frame assembly Download PDFInfo
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- CN112276302A CN112276302A CN202011118502.6A CN202011118502A CN112276302A CN 112276302 A CN112276302 A CN 112276302A CN 202011118502 A CN202011118502 A CN 202011118502A CN 112276302 A CN112276302 A CN 112276302A
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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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
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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
- B23K9/00—Arc welding or cutting
- B23K9/24—Features related to electrodes
- B23K9/28—Supporting devices for electrodes
- B23K9/287—Supporting devices for electrode holders
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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
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
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Abstract
The invention provides a welding and carrying integrated process of a battery frame assembly, which comprises the following steps of 1: fixing the left mounting plate, the right mounting plate, the front mounting plate and the rear mounting plate on one of the plurality of welding positioning devices, and welding to obtain a first frame; step 2: carrying the mounting frame to another one of the plurality of welding positioning devices through the welding and carrying integrated device, and welding to obtain a second frame; and step 3: carrying the mounting frame to another one of the plurality of welding positioning devices through the welding and carrying integrated device, and welding to obtain a third frame; and 4, step 4: carrying the mounting frame to another one of the plurality of welding positioning devices through the welding and carrying integrated device, and welding to obtain a semi-finished frame; and 5: and carrying out reinforced welding on the semi-finished product frame to obtain the finished product frame. The welding and carrying integrated process of the battery frame assembly can reduce personnel investment and improve production efficiency.
Description
Technical Field
The invention relates to the technical field of new energy automobiles, in particular to a welding and carrying integrated process of a battery frame assembly.
Background
The automobile is one of indispensable transportation means of modern mankind, and with the exhaustion of petroleum resources and the deterioration of global environment, all countries in the world are vigorously developing new energy automobiles with energy conservation, no pollution and low noise. In recent years, under the strong support of national policies, the new energy automobile industry in China enters a high-speed development stage, the technology and market maturity is continuously improved, the matching capacity of key parts is greatly improved, and the industry is developed and prosperous as a whole. The battery frame is used as an important component of a new energy automobile, and due to the fact that the battery frame is large in size, 2 meters long and 1.4 meters wide, parts can be carried by adopting a manual carrying operation mode at least needing two persons to operate, the spot welding manipulator must stop operating in the carrying process, and by adopting the operation mode, production efficiency is low, and a large number of workers are invested.
Therefore, it is necessary to design an integrated welding and conveying process for a battery frame assembly, which can reduce the personnel investment and improve the production efficiency.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide a welding and carrying integrated process of a battery frame assembly, which can reduce the personnel investment and improve the production efficiency.
In order to achieve the above object, according to an aspect of the present invention, there is provided a welding handling integrated process of a battery frame assembly, a system for welding handling the battery frame comprising: a plurality of welding positioning devices and a welding and carrying integrated device are sequentially arranged;
the welding and carrying integrated process of the battery frame assembly comprises the following steps:
step 1: fixing a left mounting plate, a right mounting plate, a front mounting plate and a rear mounting plate on one of a plurality of welding positioning devices, and carrying out primary welding through the welding and carrying integrated device to obtain a first frame;
step 2: conveying the mounting frame to another one of the plurality of welding positioning devices through the welding and conveying integrated device, arranging a left cover plate and a right cover plate on the mounting frame, and performing second welding through the welding and conveying integrated device to obtain a second frame;
and step 3: conveying the mounting frame to another one of the plurality of welding positioning devices through the welding and conveying integrated device, arranging a front cover plate and a rear cover plate on the second frame, and performing third welding through the welding and conveying integrated device to obtain a third frame;
and 4, step 4: conveying the mounting frame to another one of the welding positioning devices through the welding and conveying integrated device, and performing fourth welding through the welding and conveying integrated device to obtain a semi-finished frame;
and 5: and carrying out reinforced welding on the semi-finished frame to obtain a finished frame.
Preferably, the number of the welding positioning devices is five, and the welding positioning devices are respectively a first welding positioning device, a second welding positioning device, a third welding positioning device, a fourth welding positioning device and a fifth welding positioning device; the first welding positioning device comprises a first servo rotating table and a first clamp arranged on the first servo rotating table, the second welding positioning device comprises a second servo rotating table and a second clamp arranged on the second servo rotating table, the third welding positioning device comprises a third servo rotating table and a third clamp arranged on the third servo rotating table, the fourth welding positioning device comprises a fourth servo rotating table and a fourth clamp arranged on the fourth servo rotating table, and the fifth welding positioning device comprises a fifth servo rotating table and a fifth clamp arranged on the fifth servo rotating table;
the welding and carrying integrated device comprises a first welding and carrying device, a second welding and carrying device and a third welding device, wherein the first welding and carrying device is positioned between the first welding positioning device and the second welding positioning device, the first welding device comprises a first spot welding robot, a first welding tongs and a first gripper, the second welding and carrying device is positioned between the second welding positioning device and the third welding positioning device, the second welding device comprises a second spot welding robot, a second welding tongs and a second gripper, the third welding and carrying device is positioned between the third welding positioning device and the fourth welding positioning device, and the third welding device comprises a third spot welding robot, a third welding tongs and a third gripper.
Preferably, the step 1 specifically includes:
fixing a left mounting plate, a right mounting plate, a front mounting plate and a rear mounting plate on a first clamp of a first welding positioning device, determining a first welding surface, and controlling a first welding tongs to perform first spot welding on the first welding surface by a first spot welding robot;
the first servo rotating table drives the first clamp to rotate, a second welding face is determined, and the first spot welding robot controls the first welding tongs to perform spot welding on the second welding face for the second time to obtain a first frame.
Wherein, the total number of welding spots of the first spot welding and the second spot welding is 24.
Preferably, the step 2 specifically includes:
grabbing the frame to a second welding positioning device through the first gripper, fixing the first frame on a second fixture, arranging a left cover plate and a right cover plate on the first frame and fixing the left cover plate and the right cover plate through the second fixture, determining a third welding surface, and controlling the first welding tongs to perform third spot welding on the third welding surface by the first spot welding robot;
the second fixture is driven to rotate through the second servo rotating table, a fourth welding surface is determined, and the first spot welding robot controls the first welding tongs to perform spot welding on the fourth welding surface for the fourth time to obtain a second frame;
and the sum of the number of welding spots of the third spot welding and the fourth spot welding is 111.
Preferably, the step 3 specifically includes:
grabbing the frame to a third welding positioning device through the second gripper, fixing the second frame to a third fixture, arranging a front cover plate and a rear cover plate on the second frame and fixing the front cover plate and the rear cover plate through the third fixture, determining a fifth welding surface, and controlling a second welding tongs to perform fifth spot welding on the fifth welding surface by a second spot welding robot;
the third servo rotating table drives the third clamp to rotate, a sixth welding surface is determined, and the second spot welding robot controls the second welding tongs to perform sixth spot welding on the sixth welding surface to obtain a third frame;
wherein the total number of welding spots of the fifth spot welding and the sixth spot welding is 77.
Preferably, the step 4 specifically includes:
grabbing the third frame onto a fourth welding positioning device through the third gripper, fixing the third frame on a fourth fixture, determining a seventh welding surface, and controlling a third welding tongs to perform seventh spot welding on the seventh welding surface by the third spot welding robot;
driving the fourth fixture to rotate through the fourth servo rotating table to determine an eighth welding surface, and controlling the third welding tongs to perform eighth spot welding on the eighth welding surface by the third spot welding robot to obtain a semi-finished frame;
and the sum of the number of welding spots of the fifth spot welding and the sixth spot welding is 82.
Preferably, the step 5 specifically includes:
grabbing the semi-finished frame onto a fifth welding positioning device through the third gripper, fixing the semi-finished frame on a fifth fixture, determining a ninth welding surface, and performing first secondary welding protection through an arc welding robot;
the fifth servo rotating table drives the fifth clamp to rotate, a tenth welding surface is determined, and secondary welding is carried out through an arc welding robot to obtain a finished product frame
Wherein the weld length of the first and second weld joints is 928 mm.
Has the advantages that: according to the welding and carrying integrated process of the battery frame assembly, the battery frame assembly is prepared through multiple welding through the multiple welding positioning devices and the welding and carrying integrated device, semi-finished workpieces are carried through the welding and carrying integrated device in the multiple welding processes, traditional manual carrying is replaced, manual input is greatly reduced, production efficiency is improved, the strength and the quality of the battery frame assembly can be guaranteed through the welding and carrying integrated device for multiple welding preparation of the battery frame assembly, and meanwhile the rate of finished products of the battery frame assembly can be improved.
Drawings
Fig. 1 is a schematic structural view of a system for welding and handling the battery frame according to an embodiment of the present invention.
FIG. 2 is an enlarged partial schematic view at A of FIG. 1;
FIG. 3 is an enlarged partial schematic view at B of FIG. 1;
fig. 4 is a schematic flow diagram of a welding handling integrated process of a battery frame assembly according to one embodiment of the invention.
Description of reference numerals:
1. a first welding positioning device; 2. a second welding positioning device; 3. a third welding positioning device; 4. a fourth welding positioning device; 5. a fifth welding positioning device; 6. a first welding and carrying device; 7. a second welding and carrying device; 8. a third welding device; 9. a first servo rotary table; 10. a first clamp; 11. a first spot welding robot, 12, a first welding tongs; 13. a first gripper.
Detailed Description
The technical scheme of the invention is described in detail in the following with reference to the accompanying drawings.
According to an aspect of the present invention, there is provided a welding and carrying integrated process for a battery frame assembly, including:
a system for welding a handling battery frame comprising: a plurality of welding positioning devices and a welding and carrying integrated device are sequentially arranged;
the welding and carrying integrated process of the battery frame assembly comprises the following steps:
step 1: fixing the left mounting plate, the right mounting plate, the front mounting plate and the rear mounting plate on one of the plurality of welding positioning devices, and carrying out first welding through the welding and carrying integrated device to obtain a first frame;
step 2: the mounting frame is conveyed to another one of the plurality of welding positioning devices through the welding and conveying integrated device, the left cover plate and the right cover plate are arranged on the mounting frame, and the welding and conveying integrated device is used for carrying out second welding to obtain a second frame;
and step 3: the mounting frame is conveyed to another one of the plurality of welding positioning devices through the welding and conveying integrated device, the front cover plate and the rear cover plate are arranged on the second frame, and the welding and conveying integrated device is used for carrying out third welding to obtain a third frame;
and 4, step 4: the mounting frame is conveyed to another one of the plurality of welding positioning devices through the welding and conveying integrated device, and fourth welding is carried out through the welding and conveying integrated device to obtain a semi-finished frame;
and 5: and carrying out reinforced welding on the semi-finished product frame to obtain the finished product frame.
According to the welding and carrying integrated process of the battery frame assembly, the battery frame assembly is prepared through multiple welding through the multiple welding positioning devices and the welding and carrying integrated device, semi-finished workpieces are carried through the welding and carrying integrated device in the multiple welding processes, traditional manual carrying is replaced, manual input is greatly reduced, production efficiency is improved, the strength and the quality of the battery frame assembly can be guaranteed through the welding and carrying integrated device for multiple welding preparation of the battery frame assembly, and meanwhile the rate of finished products of the battery frame assembly can be improved.
As a preferred technical scheme, the number of the welding positioning devices is five, and the welding positioning devices are respectively a first welding positioning device, a second welding positioning device, a third welding positioning device, a fourth welding positioning device and a fifth welding positioning device; the first welding positioning device comprises a first servo rotating table and a first clamp arranged on the first servo rotating table, the second welding positioning device comprises a second servo rotating table and a second clamp arranged on the second servo rotating table, the third welding positioning device comprises a third servo rotating table and a third clamp arranged on the third servo rotating table, the fourth welding positioning device comprises a fourth servo rotating table and a fourth clamp arranged on the fourth servo rotating table, and the fifth welding positioning device comprises a fifth servo rotating table and a fifth clamp arranged on the fifth servo rotating table;
the welding and carrying integrated device comprises three first welding and carrying devices, a second welding and carrying device and a third welding device, wherein the first welding and carrying device is positioned between a first welding positioning device and a second welding positioning device, the first welding device comprises a first spot welding robot, a first soldering turret and a first gripper, the second welding and carrying device is positioned between the second welding positioning device and a third welding positioning device, the second welding device comprises a second spot welding robot, a second soldering turret and a second gripper, the third welding and carrying device is positioned between a third welding positioning device and a fourth welding positioning device, and the third welding device comprises a third spot welding robot, a third soldering turret and a third gripper.
In this technical scheme, further injectd the integrative device of welding position device and welding transport setting quantity and concrete structure, every welding position device all includes servo revolving stage and anchor clamps and is convenient for fix the work piece that is used for preparing battery frame, and is convenient for drive the work piece and rotate, and the integrative device of welding transport of being convenient for carries out welding operation, can make the integrative device of the work piece multi-angle orientation welding transport of preparing battery frame simultaneously, can improve welding efficiency.
As a preferred technical scheme, the step 1 specifically comprises the following steps:
fixing the left mounting plate, the right mounting plate, the front mounting plate and the rear mounting plate on a first clamp of a first welding positioning device, determining a first welding surface, and controlling a first welding tongs to perform first spot welding on the first welding surface by a first spot welding robot;
the first fixture is driven to rotate through the first servo rotating platform, the second welding surface is determined, the first spot welding robot controls the first welding tongs to perform second spot welding on the second welding surface, and the first frame is obtained.
Wherein, the total number of the welding spots of the first spot welding and the second spot welding is 24.
In the technical scheme, the specific steps of the step 1 are further provided, the left mounting plate, the right mounting plate, the front mounting plate and the rear mounting plate can be welded to prepare a frame, and meanwhile, the mechanical strength can be guaranteed through the welding of 24 welding spots.
As a preferred technical scheme, the step 2 specifically comprises the following steps:
grabbing the workpiece to a second welding positioning device through a first frame by a first gripper, fixing the first frame on a second fixture, arranging a left cover plate and a right cover plate on the first frame and fixing the left cover plate and the right cover plate through the second fixture, determining a third welding surface, and controlling a first welding tongs to perform third spot welding on the third welding surface by a first spot welding robot;
the second servo rotating table drives the second clamp to rotate, a fourth welding surface is determined, and the first spot welding robot controls the first welding tongs to perform spot welding on the fourth welding surface for the fourth time to obtain a second frame;
and the total number of welding spots of the third spot welding and the fourth spot welding is 111.
In the technical scheme, a specific step of step 2 is further provided, the left cover plate and the right cover plate can be welded and fixed on the basis of the first frame through the specific step of step 2, and meanwhile, the mechanical strength can be improved through the determination of 111 welding points.
As a preferred technical scheme, the step 3 specifically comprises the following steps:
the second frame is grabbed onto a third welding positioning device through a second gripper, the second frame is fixed on a third clamp, a front cover plate and a rear cover plate are arranged on the second frame and fixed through the third clamp, a fifth welding surface is determined, and a second spot welding robot controls a second welding tongs to perform fifth spot welding on the fifth welding surface;
the third servo rotating table drives the third clamp to rotate, a sixth welding surface is determined, and the second spot welding robot controls the second welding tongs to perform sixth spot welding on the sixth welding surface to obtain a third frame;
wherein, the total number of welding spots of the fifth spot welding and the sixth spot welding is 77.
In the technical scheme, a specific step of step 4 is further defined, the front cover plate and the rear cover plate can be welded and fixed on the second frame through the specific step of step 4, and the mechanical strength can be improved through the determination of 77 welding points.
As a preferred technical scheme, the step 4 specifically comprises the following steps:
grabbing the third frame onto a fourth welding positioning device through a third gripper, fixing the third frame on a fourth fixture to determine a seventh welding surface, and controlling a third welding tongs to perform seventh spot welding on the seventh welding surface by a third spot welding robot;
driving a fourth fixture to rotate through a fourth servo rotating table to determine an eighth welding surface, and controlling a third welding tongs to perform eighth spot welding on the eighth welding surface by a third spot welding robot to obtain a semi-finished frame;
and the sum of the welding spots of the fifth spot welding and the sixth spot welding is 82.
In the technical scheme, a specific step of step 4 is further provided, after the preliminary welding of the battery frame is completed, the step 5 can play a role in strengthening the welding, and the welding strength can be further improved through the determination of 82 welding points.
As a preferred technical scheme, the step 5 specifically comprises the following steps:
grabbing the semi-finished frame onto a fifth welding positioning device through a third gripper, fixing the semi-finished frame on a fifth clamp, determining a ninth welding surface, and performing first secondary welding protection through an arc welding robot;
the fifth servo rotating table drives the fifth clamp to rotate, a tenth welding surface is determined, and secondary welding is carried out through the arc welding robot to obtain a finished product frame
Wherein, the weld length of the first time of second welding and the second time of second welding is 928 mm.
In the technical scheme, the specific steps of the step 5 are further provided, and argon arc welding is performed on the basis of the semi-finished frame through the specific steps of the step 5, so that the overall strength of the battery frame can be improved.
Example 1
Fig. 1 is a schematic structural view of a system for welding and handling the battery frame according to an embodiment of the present invention. FIG. 2 is an enlarged partial schematic view at A of FIG. 1; FIG. 3 is an enlarged partial schematic view at B of FIG. 1; fig. 4 is a schematic flow diagram of a welding handling integrated process of a battery frame assembly according to one embodiment of the invention.
As shown in fig. 1 to 4, the welding and carrying integrated process of the battery frame assembly includes:
wherein, the system for welding and carrying the battery frame comprises: a plurality of welding positioning devices and a welding and carrying integrated device are sequentially arranged; specifically, the number of the welding positioning devices is five, and the welding positioning devices are respectively a first welding positioning device 1, a second welding positioning device 2, a third welding positioning device 3, a fourth welding positioning device 4 and a fifth welding positioning device 5; the first welding positioning device 1 comprises a first servo rotating table 9 and a first clamp 10 arranged on the first servo rotating table 9, the second welding positioning device 2 comprises a second servo rotating table and a second clamp arranged on the second servo rotating table, the third welding positioning device 3 comprises a third servo rotating table and a third clamp arranged on the third servo rotating table, the fourth welding positioning device 4 comprises a fourth servo rotating table and a fourth clamp arranged on the fourth servo rotating table, and the fifth welding positioning device 5 comprises a fifth servo rotating table and a fifth clamp arranged on the fifth servo rotating table; the welding and carrying integrated device comprises three first welding and carrying devices 6, a second welding and carrying device 7 and a third welding device 8, wherein the first welding and carrying device 6 is located between the first welding and positioning device 1 and the second welding and positioning device 2, the first welding device comprises a first spot welding robot 11, a first welding clamp 12 and a first gripper 13, the second welding and carrying device 7 is located between the second welding and positioning device 2 and the third welding and positioning device 3, the second welding device comprises a second spot welding robot, a second welding clamp and a second gripper, the third welding and carrying device is located between the third welding and positioning device 3 and the fourth welding and positioning device 4, and the third welding device 8 comprises a third spot welding robot, a third welding clamp and a third gripper.
The welding and carrying integrated process of the battery frame assembly comprises the following steps:
step 1: fixing the left mounting plate, the right mounting plate, the front mounting plate and the rear mounting plate on one of the plurality of welding positioning devices, and carrying out first welding through the welding and carrying integrated device to obtain a first frame;
step 2: the mounting frame is conveyed to another one of the plurality of welding positioning devices through the welding and conveying integrated device, the left cover plate and the right cover plate are arranged on the mounting frame, and the welding and conveying integrated device is used for carrying out second welding to obtain a second frame;
and step 3: the mounting frame is conveyed to another one of the plurality of welding positioning devices through the welding and conveying integrated device, the front cover plate and the rear cover plate are arranged on the second frame, and the welding and conveying integrated device is used for carrying out third welding to obtain a third frame;
and 4, step 4: the mounting frame is conveyed to another one of the plurality of welding positioning devices through the welding and conveying integrated device, and fourth welding is carried out through the welding and conveying integrated device to obtain a semi-finished frame;
and 5: and carrying out reinforced welding on the semi-finished product frame to obtain the finished product frame.
Wherein, the step 1 specifically comprises the following steps:
fixing the left mounting plate, the right mounting plate, the front mounting plate and the rear mounting plate on a first clamp of a first welding positioning device, determining a first welding surface, and controlling a first welding tongs to perform first spot welding on the first welding surface by a first spot welding robot;
the first fixture is driven to rotate through the first servo rotating platform, the second welding surface is determined, the first spot welding robot controls the first welding tongs to perform second spot welding on the second welding surface, and the first frame is obtained.
Wherein, the total number of the welding spots of the first spot welding and the second spot welding is 24.
Wherein, the step 2 specifically comprises the following steps:
grabbing the workpiece to a second welding positioning device through a first frame by a first gripper, fixing the first frame on a second fixture, arranging a left cover plate and a right cover plate on the first frame and fixing the left cover plate and the right cover plate through the second fixture, determining a third welding surface, and controlling a first welding tongs to perform third spot welding on the third welding surface by a first spot welding robot;
the second servo rotating table drives the second clamp to rotate, a fourth welding surface is determined, and the first spot welding robot controls the first welding tongs to perform spot welding on the fourth welding surface for the fourth time to obtain a second frame;
and the total number of welding spots of the third spot welding and the fourth spot welding is 111.
Wherein, the step 3 specifically comprises the following steps:
the second frame is grabbed onto a third welding positioning device through a second gripper, the second frame is fixed on a third clamp, a front cover plate and a rear cover plate are arranged on the second frame and fixed through the third clamp, a fifth welding surface is determined, and a second spot welding robot controls a second welding tongs to perform fifth spot welding on the fifth welding surface;
the third servo rotating table drives the third clamp to rotate, a sixth welding surface is determined, and the second spot welding robot controls the second welding tongs to perform sixth spot welding on the sixth welding surface to obtain a third frame;
wherein, the total number of welding spots of the fifth spot welding and the sixth spot welding is 77.
Wherein, the step 4 specifically comprises the following steps:
grabbing the third frame onto a fourth welding positioning device through a third gripper, fixing the third frame on a fourth fixture to determine a seventh welding surface, and controlling a third welding tongs to perform seventh spot welding on the seventh welding surface by a third spot welding robot;
driving a fourth fixture to rotate through a fourth servo rotating table to determine an eighth welding surface, and controlling a third welding tongs to perform eighth spot welding on the eighth welding surface by a third spot welding robot to obtain a semi-finished frame;
and the sum of the welding spots of the fifth spot welding and the sixth spot welding is 82.
Wherein, the step 5 specifically comprises the following steps:
grabbing the semi-finished frame onto a fifth welding positioning device through a third gripper, fixing the semi-finished frame on a fifth clamp, determining a ninth welding surface, and performing first secondary welding protection through an arc welding robot;
the fifth servo rotating table drives the fifth clamp to rotate, a tenth welding surface is determined, and secondary welding is carried out through the arc welding robot to obtain a finished product frame
Wherein, the weld joint length of the first argon arc welding and the second argon arc welding is 928 mm.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A welding and carrying integrated process of a battery frame assembly is characterized in that,
the system for welding and handling the battery frame comprises: a plurality of welding positioning devices and a welding and carrying integrated device are sequentially arranged;
the welding and carrying integrated process of the battery frame assembly comprises the following steps:
step 1: fixing a left mounting plate, a right mounting plate, a front mounting plate and a rear mounting plate on one of a plurality of welding positioning devices, and carrying out primary welding through the welding and carrying integrated device to obtain a first frame;
step 2: conveying the mounting frame to another one of the plurality of welding positioning devices through the welding and conveying integrated device, arranging a left cover plate and a right cover plate on the mounting frame, and performing second welding through the welding and conveying integrated device to obtain a second frame;
and step 3: conveying the mounting frame to another one of the plurality of welding positioning devices through the welding and conveying integrated device, arranging a front cover plate and a rear cover plate on the second frame, and performing third welding through the welding and conveying integrated device to obtain a third frame;
and 4, step 4: conveying the mounting frame to another one of the welding positioning devices through the welding and conveying integrated device, and performing fourth welding through the welding and conveying integrated device to obtain a semi-finished frame;
and 5: and carrying out reinforced welding on the semi-finished frame to obtain a finished frame.
2. The integrated process of welding and handling of a battery frame assembly of claim 1,
the number of the welding positioning devices is five, and the welding positioning devices are respectively a first welding positioning device, a second welding positioning device, a third welding positioning device, a fourth welding positioning device and a fifth welding positioning device; the first welding positioning device comprises a first servo rotating table and a first clamp arranged on the first servo rotating table, the second welding positioning device comprises a second servo rotating table and a second clamp arranged on the second servo rotating table, the third welding positioning device comprises a third servo rotating table and a third clamp arranged on the third servo rotating table, the fourth welding positioning device comprises a fourth servo rotating table and a fourth clamp arranged on the fourth servo rotating table, and the fifth welding positioning device comprises a fifth servo rotating table and a fifth clamp arranged on the fifth servo rotating table;
the welding and carrying integrated device comprises a first welding and carrying device, a second welding and carrying device and a third welding device, wherein the first welding and carrying device is positioned between the first welding positioning device and the second welding positioning device, the first welding device comprises a first spot welding robot, a first welding tongs and a first gripper, the second welding and carrying device is positioned between the second welding positioning device and the third welding positioning device, the second welding device comprises a second spot welding robot, a second welding tongs and a second gripper, the third welding and carrying device is positioned between the third welding positioning device and the fourth welding positioning device, and the third welding device comprises a third spot welding robot, a third welding tongs and a third gripper.
3. The welding and handling integrated process for the battery frame assembly according to claim 2, wherein the step 1 specifically comprises:
fixing a left mounting plate, a right mounting plate, a front mounting plate and a rear mounting plate on a first clamp of a first welding positioning device, determining a first welding surface, and controlling a first welding tongs to perform first spot welding on the first welding surface by a first spot welding robot;
the first servo rotating table drives the first clamp to rotate, a second welding face is determined, and the first spot welding robot controls the first welding tongs to perform spot welding on the second welding face for the second time to obtain a first frame.
Wherein, the total number of welding spots of the first spot welding and the second spot welding is 24.
4. The welding and handling integrated process for the battery frame assembly according to claim 2, wherein the step 2 specifically comprises:
grabbing the frame to a second welding positioning device through the first gripper, fixing the first frame on a second fixture, arranging a left cover plate and a right cover plate on the first frame and fixing the left cover plate and the right cover plate through the second fixture, determining a third welding surface, and controlling the first welding tongs to perform third spot welding on the third welding surface by the first spot welding robot;
the second fixture is driven to rotate through the second servo rotating table, a fourth welding surface is determined, and the first spot welding robot controls the first welding tongs to perform spot welding on the fourth welding surface for the fourth time to obtain a second frame;
and the sum of the number of welding spots of the third spot welding and the fourth spot welding is 111.
5. The welding and handling integrated process for the battery frame assembly according to claim 2, wherein the step 3 specifically comprises:
grabbing the frame to a third welding positioning device through the second gripper, fixing the second frame to a third fixture, arranging a front cover plate and a rear cover plate on the second frame and fixing the front cover plate and the rear cover plate through the third fixture, determining a fifth welding surface, and controlling a second welding tongs to perform fifth spot welding on the fifth welding surface by a second spot welding robot;
the third servo rotating table drives the third clamp to rotate, a sixth welding surface is determined, and the second spot welding robot controls the second welding tongs to perform sixth spot welding on the sixth welding surface to obtain a third frame;
wherein the total number of welding spots of the fifth spot welding and the sixth spot welding is 77.
6. The welding and handling integrated process for the battery frame assembly according to claim 2, wherein the step 4 specifically comprises:
grabbing the third frame onto a fourth welding positioning device through the third gripper, fixing the third frame on a fourth fixture, determining a seventh welding surface, and controlling a third welding tongs to perform seventh spot welding on the seventh welding surface by the third spot welding robot;
driving the fourth fixture to rotate through the fourth servo rotating table to determine an eighth welding surface, and controlling the third welding tongs to perform eighth spot welding on the eighth welding surface by the third spot welding robot to obtain a semi-finished frame;
and the total number of welding spots of the seventh spot welding and the eighth spot welding is 82.
7. The welding and handling integrated process for the battery frame assembly according to claim 2, wherein the step 5 specifically comprises:
grabbing the semi-finished frame onto a fifth welding positioning device through the third gripper, fixing the semi-finished frame on a fifth fixture, determining a ninth welding surface, and performing first secondary welding protection through an arc welding robot;
the fifth servo rotating table drives the fifth clamp to rotate, a tenth welding surface is determined, and secondary welding is carried out through an arc welding robot to obtain a finished product frame
Wherein the weld length of the first and second weld joints is 928 mm.
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| CN112276302B (en) | 2022-04-08 |
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