CN113275749A - Automatic welding production line and production method for automobile battery box - Google Patents
Automatic welding production line and production method for automobile battery box Download PDFInfo
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- CN113275749A CN113275749A CN202110584077.8A CN202110584077A CN113275749A CN 113275749 A CN113275749 A CN 113275749A CN 202110584077 A CN202110584077 A CN 202110584077A CN 113275749 A CN113275749 A CN 113275749A
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- 238000003466 welding Methods 0.000 title claims abstract description 331
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 53
- 239000000463 material Substances 0.000 claims abstract description 81
- 238000003825 pressing Methods 0.000 claims abstract description 30
- 238000011068 loading method Methods 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims description 17
- 230000001681 protective effect Effects 0.000 claims description 10
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- 238000012546 transfer Methods 0.000 claims description 2
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- 238000012544 monitoring process Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
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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
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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
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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Abstract
The invention relates to the technical field of battery box production, in particular to an automatic welding production line and a production method for an automobile battery box. This production line includes the fortune material line, first welding slide rail, second welding slide rail, tongs place the platform, material loading robot and welding robot, first welding slide rail all slides with second welding slide rail and is provided with the welding jig platform that is used for pressing from both sides the discharge cell box, the welding jig platform carries out accurate location and presss from both sides tightly to each part, and can realize the upset of part, carry out the two-sided welding of battery case, first welding slide rail, second welding slide rail function in turn, material loading robot and welding robot carry out the material loading and welding the same time, duplex position material loading and welding, continuous operation, realize automatic high-efficient production, and the welding jig platform separates material loading station and welding station, welding safety protection has been realized, do not harm operating personnel, the security has been guaranteed.
Description
Technical Field
The invention relates to the technical field of battery box production, in particular to an automatic welding production line and a production method for an automobile battery box.
Background
Under the rapid development trend of new energy automobiles, battery power source system components are continuously evolved aiming at light weight, so that higher requirements are provided for the production process of the new energy automobiles. Taking a power battery system as an example, a battery shell is used as a main structural component of the power battery system to protect the internal materials of the battery from being damaged, and the manufacturing technology of the power battery system is very critical and can lead the future design of the battery system. The traditional battery shell production can not meet the increasing demand any more, and an automatic production device is urgently needed for rapid automatic production.
Chinese patent publication No. CN108655582A discloses a full-automatic battery case welding and cutting all-in-one machine in 2018, 10, 16, which mainly integrates the steps of welding and cutting the battery case into one device. However, the device is not suitable for welding and assembling various components on the battery shell, the framework, the mounting bar, the mounting buckle and other various components of the battery shell need to be welded at corresponding positions on the battery shell respectively, and due to the fact that the types of the components are more, the components need to be positioned and welded in a targeted mode, and a more targeted automatic welding production line needs to be developed at present.
Disclosure of Invention
The invention provides an automatic welding production line for an automobile battery box, aiming at further improving the automatic welding production efficiency of a battery box, and the automatic welding production line adopts a plurality of conveying lines, robots and other intelligent equipment to be matched, accurately determines the welding positions of all parts, and accurately welds through the robots. Moreover, the feeding and welding links are carried out simultaneously, and the welding production efficiency is effectively improved.
In addition, a production method of the production line is provided, and automatic welding operation is reasonably and orderly carried out.
In order to solve the technical problems, the invention adopts the technical scheme that:
the utility model provides an automatic welding production line of car battery case, includes fortune material line, first welding slide rail, second welding slide rail, material loading robot and welding robot, wherein first welding slide rail and second welding slide rail parallel arrangement, the fortune material line is located first welding slide rail, second welding slide rail tip, and the direction of delivery of fortune material line is perpendicular with the slip direction of first welding slide rail and second welding slide rail.
The material conveying line is used for providing materials such as the battery box shell and various parts, conveying the welded battery box away, and realizing automation. First welding slide rail, second welding slide rail perpendicular to fortune material line set up, and both alternate operation for tentatively assemble the battery case, and carry to the welding station.
The feeding robot and the welding robot are located between the first welding slide rail and the second welding slide rail, the feeding robot is arranged at the position where objects on a material conveying line can be grabbed, the grabbed materials can be placed on the first welding slide rail and the second welding slide rail, and the welding robot is arranged at the position where the materials on the first welding slide rail (2) and the second welding slide rail can be welded. The positions of the feeding robot and the welding robot can be called as a feeding station and a welding station, and the feeding station and the welding station are located at the end part of the welding slide rail and operate simultaneously.
First welding slide rail and second welding slide rail all slide and are provided with the welding jig platform that is used for pressing from both sides the discharge cell box, the material loading robot is toward welding jig platform material loading, and the welding jig platform presss from both sides tight fixed battery case shell and battery case parts to slide battery case shell and battery case parts and transfer to welding robot position and weld. The welding fixture platform is used for realizing accurate positioning and clamping of each part and transferring the parts to a welding station for welding. The welding jig platform separates the feeding station from the welding station, so that the welding safety protection is realized, and operators are not injured.
Further, the battery box loading device comprises a gripper placing platform, wherein the gripper placing platform is adjacent to the feeding robot, a first quick-change gripper and a second quick-change gripper are placed on the gripper placing platform, the feeding robot is detachably connected with the first quick-change gripper and used for clamping a battery box shell, or the feeding robot is detachably connected with the second quick-change gripper and used for clamping scattered parts of the battery box. The structure difference of battery case shell and battery case spare is big and correspond the quantity different, and the material loading robot adopts different quick change tongs to accomplish and snatchs different part material loadings.
Further, the welding jig platform includes platform base, rotatory machine and the anchor clamps body of shifting, platform base and first welding slide rail, second welding slide rail sliding connection, rotatory machine is fixed in the platform base, the deflector of rotatory machine is located to the anchor clamps body. The rotary positioner controls the turnover displacement plate to realize turnover of parts, and finally double-side welding of the battery box can be realized.
Furthermore, a profiling supporting block for placing the battery box shell is arranged at the center of the clamp body, a pressing arm is arranged on the opposite side of the profiling supporting block, and a connecting arm is arranged on the other opposite side of the profiling supporting block; the pressure arm is connected with a swing arm cylinder and is fixed on the clamp body through the swing arm cylinder; the connecting arm is connected with telescopic cylinder, and the connecting arm is fixed in the anchor clamps body through telescopic cylinder. The pressing arm is mainly pressed from the top surface of the battery box shell, and the connecting arm is responsible for pressing from the side surface.
Furthermore, the connecting arm is provided with a plurality of pressing blocks, each pressing block is connected with a rotary cylinder, and the pressing blocks are fixed on the connecting arm through the rotary cylinders. Each briquetting is used for compressing tightly battery case spare and battery case shell, carries out the pertinence location to each spare to weld and fix.
Furthermore, the feeding robot and the welding robot are both composed of a base and a mechanical arm, and the mechanical arm and the base are rotationally fixed; the quick-change connector is detachably connected with the first quick-change gripper and the second quick-change gripper; and a laser welding head is arranged at the movable end of the mechanical arm of the welding robot. The form of material loading robot, welding robot can be various.
Further, the material conveying line is provided with a material identification mechanism, the material identification mechanism is provided with a sliding seat parallel to the material conveying line, and the material identification mechanism slides back and forth along the sliding seat relative to the material conveying line. Accurate position among each part transmission process is realized to material identification mechanism, realizes that the material loading robot snatchs accurately.
The welding robot further comprises a welding protective cover, wherein the welding protective cover covers welding stations of the welding robot and the first welding slide rail and the second welding slide rail; a lifting door is arranged at the position of the welding protective cover corresponding to the first welding slide rail and the second welding slide rail, and the lifting door is opened when the welding fixture platform is transferred; and during welding, the lifting door is closed. The lifting door rises in the process of passing in and out of the welding fixture platform, and the lifting door falls and closes in other time, so that the periphery of the protective cover is fully protected, and the radiation of laser to a human body is avoided.
Further, still include safety barrier, safety barrier is around first welding slide rail, the peripheral setting of second welding slide rail. And safety guardrails are arranged on the periphery of the equipment to ensure the safety of operators.
Further, still include PLC, fortune material line, first welding slide rail, second welding slide rail, tongs place the platform, material loading robot, welding jig platform, welding protection casing all are connected with PLC electricity, receive PLC centralized control. The PLC processes information in a centralized mode, controls all mechanisms to be matched with each other, and two welding slide rails achieve double-station alternate feeding and welding, so that efficient production is achieved.
An automatic welding production method for an automobile battery box is based on the automatic welding production line for the automobile battery box and mainly comprises the following operations:
s1 the battery box shell and the various battery box parts are arranged in sequence and placed on the material conveying line and conveyed along the material conveying line, and the material identification mechanism judges the conveying positions of various materials.
S2, after the material reaches a required position, the feeding robot is provided with a first quick-change gripper, the clamping battery box shell is placed on a welding fixture platform of a first welding slide rail, and the pressing arm clamps the battery box shell; then the feeding robot unloads the first quick-change gripper and installs the second quick-change gripper, and the clamping battery box parts are installed in the battery box shell, and the pressing block compresses the battery box parts. The first and second welded rails may be structurally identical.
S3, moving the welding clamp platform to a welding station at the other end along the first welding slide rail, and welding the battery box on the first welding slide rail by the welding robot; meanwhile, the feeding robot feeds the welding jig platform of the second welding slide rail, i.e., repeats the S2 operation.
S4, completing welding of the battery box on the welding fixture platform of the first welding slide rail, moving along the first welding slide rail to return to the feeding station, clamping and returning the welded battery box to the conveying line by the feeding robot to continue conveying, and feeding the welding fixture platform of the first welding slide rail by the feeding robot again. Meanwhile, the welding fixture platform on the second welding slide rail which finishes feeding moves to the welding station at the other end along the second welding slide rail, and the welding robot welds the battery box on the second welding slide rail;
s5 the first welding slide and the second welding slide operate alternately, and the production line cycles through operations S2-S4. First welding slide rail, the alternate operation of second welding slide rail, material loading robot and welding robot carry out material loading and welding with the very same time, effectively improve automated production efficiency.
Compared with the prior art, the invention has the beneficial effects that: the invention provides an automatic welding production line and a production method for an automobile battery case. Meanwhile, the production line adopts double-station feeding and welding, continuous operation is realized, automatic and efficient production is realized, the feeding station and the welding station are separated by the welding clamp platform, welding safety protection is realized, operators are not injured, and safety is guaranteed.
Drawings
Fig. 1 is a schematic view of the overall internal structure of the embodiment of the present invention.
Fig. 2 is an overall external structural view of the embodiment of the present invention.
FIG. 3 is a schematic structural diagram of a welding fixture platform according to an embodiment of the invention.
Fig. 4 is a schematic structural diagram of a fixture body according to an embodiment of the invention.
Fig. 5 is a schematic structural diagram of a loading robot according to an embodiment of the present invention.
Fig. 6 is a schematic structural view of a gripper placing platform according to an embodiment of the invention.
Fig. 7 is a schematic view of a battery pack according to an embodiment of the present invention.
Fig. 8 is a schematic structural view of a second quick-change gripper according to an embodiment of the present invention.
Fig. 9 is a schematic structural view of a first quick-change grip according to an embodiment of the present invention.
Fig. 10 is a schematic view of a welding jig platform turnover structure according to an embodiment of the invention.
Fig. 11 is a schematic structural view of a welding robot according to an embodiment of the present invention.
The welding robot comprises a material conveying line 1, a first welding slide rail 2, a second welding slide rail 3, a placing platform with 4 grippers, a feeding robot 5, a welding robot 6, a first quick-change gripper 7, a second quick-change gripper 8, a battery box shell 9, a battery box component 10, a welding fixture platform 11, a platform base 111, a rotary positioner 112, a fixture body 113, a profiling supporting block 114, a pressing arm 115, a connecting arm 116, a swing arm cylinder 117, a telescopic cylinder 118, a pressing block 119, a rotary cylinder 120, a base 12, a mechanical arm 13, a quick-change connector 14, a laser welding head 15, a material identification mechanism 16, a sliding seat 17, a welding protective cover 18, a lifting door 19, a safety guardrail 20, a welding monitoring display screen 21 and an equipment warning lamp 22.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
Examples
As shown in fig. 1 to 11, the present embodiment provides an automatic welding production line for a battery box of an automobile, which includes a material conveying line 1, a first welding slide rail 2, a second welding slide rail 3, a gripper placing platform 4, a feeding robot 5, a welding robot 6, a welding protection cover 18, a safety barrier 20, and a PLC system.
The conveying line 1, the first welding slide rail 2 and the second welding slide rail 3 are arranged on the ground, the conveying line 1 is used for providing materials such as a battery box shell 9 and various parts, the welded battery box is conveyed away, and automation is achieved. Specifically, a material recognition mechanism 16 is arranged right above the material conveying line 1, the material recognition mechanism 16 is provided with a sliding seat 17 parallel to the material conveying line 1, and the material recognition mechanism 16 slides back and forth along the sliding seat 17 relative to the material conveying line 1. The material recognition mechanism 16 can select an infrared detection head to recognize the outline of the part, and after recognizing each part, the information is transmitted to the PLC, so that the accurate position of each part in the transmission process is realized, and the feeding robot 5 can accurately grab the part.
First welding slide rail 2 aligns the setting with second welding slide rail 3 parallel, and the fortune material line 1 is located first welding slide rail 2, 3 tip of second welding slide rail, and first welding slide rail 2, the setting of second welding slide rail 3 perpendicular to fortune material line 1, both alternate operation. Feeding robot 5, welding robot 6 all are located between first welding slide rail 2, the second welding slide rail 3 to be close to the tip setting of two welding slide rails respectively, feeding robot 5 is close to the setting of fortune stockline 1. The positions of the feeding robot 5 and the welding robot 6 can be called as a feeding station and a welding station respectively, and the feeding station and the welding station are located at the end part of the welding slide rail and operate simultaneously.
Furthermore, as shown in fig. 6, 8 and 9, the hand placing platform 4 is also placed on the ground and is disposed adjacent to the feeding robot 5, the first quick-change hand grip 7 and the second quick-change hand grip 8 are placed on the hand placing platform 4, and the feeding robot 5 can be detachably connected with the first quick-change hand grip 7 for gripping the battery box housing 9 or detachably connected with the second quick-change hand grip 8 for gripping the battery box bulk pieces 10. Specifically, the gripper is an existing commonly-used mechanical gripper, and is usually controlled by a cylinder to grip. The first quick-change hand grip 7 is used for clamping a battery box shell 9 with a large body shape, and the hand grip with a large width is used for clamping the side wall of the battery box shell 9. The second quick-change grip 8 grips the battery case parts 10 of smaller size and can grip a plurality of them at one time, so that the second quick-change grip 8 has a plurality of gripping positions, each of which is driven by a small cylinder.
The battery case shell 9 and the battery case parts 10 have large structural difference and different corresponding quantities, the feeding robot 5 adopts different quick-change grippers to complete gripping of different parts for feeding, and the first quick-change gripper 7 is used for placing a battery case finished product clamp back to the feeding line 1.
Specifically, as shown in fig. 5 and 11, each of the feeding robot 5 and the welding robot 6 is composed of a base 12 and a robot arm 13, and the robot arm 13 is rotationally fixed to the base 12. The quick-change connector 14 is arranged at the movable end of a mechanical arm 13 of the feeding robot 5, the quick-change connector 14 is detachably connected with the first quick-change gripper 7 and the second quick-change gripper 8, and the quick-change gripper can be quickly assembled and disassembled under the control of the PLC. In addition, the movable end of the mechanical arm 13 of the welding robot 6 is provided with a laser welding head 15, the laser welding head 15 can adopt the existing common welding machine, and the laser welding head 15 is controlled by the PLC.
Meanwhile, as shown in fig. 3, the first welding slide rail 2 and the second welding slide rail 3 are both provided with a welding jig platform 11 for clamping the discharge cell box in a sliding manner, the welding jig platform 11 clamps and fixes the cell box housing 9 and the cell box components 10 at a feeding station, and the cell box housing 9 and the cell box components 10 are transferred to a welding station for welding in a sliding manner. Specifically, the welding jig platform 11 includes a platform base 111, a rotary positioner 112 and a jig body 113, and the platform base 111 is slidably connected to the first welding slide rail 2 and the second welding slide rail 3. The rotary positioner 112 is fixed on the platform base 111, the clamp body 113 is arranged on a displacement plate of the rotary positioner 112, 360-degree rotation at any position is realized through rotary displacement, and finally the laser welding head 15 can perform welding at a required welding position.
The clamp body 113 enters and exits along with the platform base 111, the transmission mode of the platform base 111, the first welding slide rail 2 and the second welding slide rail 3 is that a motor passes through a speed reducer and a gear, and the switching of the clamp on a feeding station and a welding station is realized by generally adopting a transmission mode that a gear rack is matched with a guide rail.
Specifically, as shown in fig. 4, a profile support block 114 for placing the battery box casing 9 is provided at a central position of the clamp body 113, the profile support block 114 is in a boss shape, and the profile support block 114 is supported in an inner cavity of the battery box casing 9 so as to position the battery box casing 9. Meanwhile, the profiling support block 114 is provided with a pressing arm 115 at an opposite side thereof and a connecting arm 116 at the other opposite side thereof. The pressing arm 115 is connected with a swing arm cylinder 117, the pressing arm 115 is fixed on the clamp body 113 through the swing arm cylinder 117, and the pressing arm 115 is mainly pressed from the top surface of the battery box casing 9.
The connecting arm 116 is connected with a telescopic cylinder 118, the connecting arm 116 is fixed on the clamp body 113 through the telescopic cylinder 118, and the connecting arm 116 is responsible for lateral compression. Moreover, the connecting arm 116 is provided with a plurality of groups of pressing blocks 119, each pressing block 119 is connected with a rotary cylinder 120, the pressing blocks 119 are fixed on the connecting arm 116 through the rotary cylinders 120, and the telescopic cylinders 118 achieve the displacement and clearance avoidance of the rotary cylinders 120 mainly through the telescopic function, so that the robot can conveniently feed parts. The pressing blocks 119 press the battery box components 10 and the battery box casing 9 in a rotary pressing manner, and the components are positioned in a targeted manner so as to be welded and fixed.
In addition, as shown in fig. 1 and 2, the welding protection cover 18 covers the welding robot 6 and the welding stations of the first welding slide rail 2 and the second welding slide rail 3, and the welding protection cover 18 mainly prevents laser radiation from hurting operators in the laser welding process. Specifically, the positions of the welding protection cover 18 corresponding to the first welding slide rail 2 and the second welding slide rail 3 are provided with a lifting door 19, when the welding fixture platform 11 is transferred, the lifting door 19 is opened, and when welding is performed, the lifting door 19 is closed. Equivalently, the lifting door 19 rises in the process of the welding fixture platform 11 entering and exiting, and falls and closes in the rest time, so that the whole protection of the periphery of the protective cover is realized, and the radiation of laser to a human body is avoided. Specifically, the welding protection casing 18 is equipped with welding monitoring display screen 21, and the welding condition in the real time monitoring cover realizes visual welding to set up equipment warning light 22, be used for realizing the warning to various unusual, realize safety in production. The safety barrier 20 of this embodiment is around first welding slide rail 2, the peripheral setting of second welding slide rail 3, and equipment peripheral installation safety barrier 20 guarantees operating personnel safety.
The PLC processes information in a centralized mode, controls all mechanisms to be matched with each other, and two welding slide rails achieve double-station alternate feeding and welding, so that efficient production is achieved. The material conveying line 1, the first welding slide rail 2, the second welding slide rail 3, the gripper placing platform 4, the feeding robot 5, the welding robot 6, the welding fixture platform 11 and the welding protective cover 18 are all electrically connected with the PLC and are subjected to PLC centralized control.
Simultaneously, this embodiment still provides an automatic welding production method of car battery case, based on the automatic welding production line of car battery case, main operation as follows:
s1 the battery box shell 9 and various battery box parts 10 are arranged in sequence and placed on the material conveying line 1, and conveyed along with the material conveying line 1, and the parts of the welding products needed are placed on the material conveying line 1 in a specified sequence for conveying through the front end process. The parts are transported to a given location and the material recognition mechanism 16 determines the various material delivery locations.
After the material of S2 arrives the required position, the material loading robot 5 installs first quick change tongs 7, gets to press from both sides and gets battery case shell 9 and place on the welding jig platform 11 of first welding slide rail 2, and the pressure arm 115 presss from both sides tight battery case shell 9. After the parts are taken away, the assembly line continues to move, then the feeding robot 5 unloads the first quick-change gripper 7 and installs the second quick-change gripper 8, clamps the battery box parts 10 and installs the battery box parts in the battery box shell 9, places all required welding parts in the specified positions of the fixture body 113 one by one, presses the battery box shell 9 by the pressing arm 115, and presses the various battery box parts 10 by the pressing block 119 correspondingly.
After the feeding is finished in S3, the lifting door 19 of the welding protection cover 18 on the side is opened, the welding fixture platform 11 moves to the other end welding station along the first welding slide rail 2, the lifting door 19 is closed again, and the welding robot 6 welds the battery box on the first welding slide rail 2. Meanwhile, the feeding robot 5 repeats S2 with respect to the welding jig platform 11 of the second welding slide rail 3, and performs feeding.
When the welding fixture platform 11 reaches a welding area, the welding robot 6 rotates and overturns by combining the rotary positioner 112 through the laser welding head 15, so that all welding positions required by the battery case are welded.
S4, the welding of the battery box on the welding fixture platform 11 of the first welding slide rail 2 is completed, at the moment, the lifting door 19 of the welding protection cover 18 on the side is opened, the welding fixture platform 11 moves along the first welding slide rail 2 to return to the feeding station, the cylinders of the fixture body 113 are loosened, the feeding robot 5 takes and puts the welded battery box clamp back to the feeding line 1, and S2 is repeated to feed again.
Meanwhile, the welding jig platform 11 on the second welding slide rail 3 which finishes feeding moves to the other end welding station along the second welding slide rail 3, the welding robot 6 welds the battery box on the second welding slide rail 3, and the side lifting door 19 is also matched with the opening and closing.
The operation of S2-S4 is carried out in an S5 production line circulation mode, the first welding slide rail 2 and the second welding slide rail 3 operate alternately, double-station feeding and welding are adopted, the feeding robot 5 and the welding robot 6 carry out feeding and welding at the same time, parts are transmitted through continuous front-end flowing water, and finally automatic welding and continuous operation of a battery box are achieved, and automatic efficient production is achieved.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides an automatic welding production line of car battery case which characterized in that: comprises a material conveying line (1), a first welding slide rail (2), a second welding slide rail (3), a feeding robot (5) and a welding robot (6),
the first welding slide rail (2) and the second welding slide rail (3) are arranged in parallel, the material conveying line (1) is positioned at one end part of the first welding slide rail (2) and one end part of the second welding slide rail (3), and the conveying direction of the material conveying line (1) is vertical to the sliding direction of the first welding slide rail (2) and the second welding slide rail (3);
the feeding robot (5) and the welding robot (6) are located between the first welding slide rail (2) and the second welding slide rail (3), the feeding robot (5) is arranged at a position where articles on the conveying line (1) can be grabbed, the grabbed materials can be placed on the first welding slide rail (2) and the second welding slide rail (3), and the welding robot (6) is arranged at a position where the materials on the first welding slide rail (2) and the second welding slide rail (3) can be welded;
first welding slide rail (2) all slide with second welding slide rail (3) and are provided with welding jig platform (11) that are used for pressing from both sides the discharge cell box, material loading robot (5) are toward welding jig platform (11) material loading, and welding jig platform (11) press from both sides tight fixed battery case shell (9) and battery case spare part (10) to slide battery case shell (9) and battery case spare part (10) and transfer to welding robot (6) position and weld.
2. The automatic welding production line for the battery boxes of the automobiles according to claim 1, characterized in that: still include tongs place the platform (4), tongs place the platform (4) and feed machine robot (5) adjacent setting, first quick change tongs (7) and second quick change tongs (8) have been placed in tongs place the platform (4), feed machine robot (5) can be dismantled with first quick change tongs (7) and be connected for press from both sides and get battery case shell (9), or feed machine robot (5) can be dismantled with second quick change tongs (8) and be connected for press from both sides and get scattered piece of battery case (10).
3. The automatic welding production line for the battery boxes of the automobiles according to claim 2, characterized in that: welding jig platform (11) include platform base (111), rotatory machine (112) and anchor clamps body (113), platform base (111) and first welding slide rail (2), second welding slide rail (3) sliding connection, rotatory machine (112) of shifting are fixed in platform base (111), the board that shifts of rotatory machine (112) is located in anchor clamps body (113).
4. The automatic welding production line for the battery boxes of the automobiles according to claim 3, characterized in that: a profiling supporting block (114) for placing the battery box shell (9) is arranged at the center of the clamp body (113), a pressing arm (115) is arranged on the opposite side of the profiling supporting block (114), and a connecting arm (116) is arranged on the other opposite side; the pressure arm (115) is connected with a swing arm cylinder (117), and the pressure arm (115) is fixed on the clamp body (113) through the swing arm cylinder (117); the connecting arm (116) is connected with a telescopic cylinder (118), and the connecting arm (116) is fixed on the clamp body (113) through the telescopic cylinder (118).
5. The automatic welding production line for the battery boxes of the automobiles according to claim 4, characterized in that: the connecting arm (116) is provided with a plurality of pressing blocks (119), each pressing block (119) is connected with a rotary air cylinder (120), and the pressing blocks (119) are fixed on the connecting arm (116) through the rotary air cylinders (120).
6. The automated welding production line for the battery box of the automobile according to any one of claims 1 to 5, characterized in that: the feeding robot (5) and the welding robot (6) are both composed of a base (12) and a mechanical arm (13), and the mechanical arm (13) and the base (12) are rotationally fixed; a quick-change connector (14) is arranged at the movable end of a mechanical arm (13) of the feeding robot (5), and the quick-change connector (14) is detachably connected with the first quick-change gripper (7) and the second quick-change gripper (8); and a laser welding head (15) is arranged at the movable end of the mechanical arm (13) of the welding robot (6).
7. The automatic welding production line for the battery boxes of the automobiles according to claim 6, characterized in that: the material conveying line (1) is provided with a material identification mechanism (16), the material identification mechanism (16) is provided with a sliding seat (17) parallel to the material conveying line (1), and the material identification mechanism (16) slides back and forth along the sliding seat (17) relative to the material conveying line (1).
8. The automatic welding production line for the battery boxes of the automobiles according to claim 7, characterized in that: the welding robot further comprises a welding protective cover (18) and a safety guardrail (20), wherein the welding protective cover (18) covers the welding robot (6) and welding stations of the first welding slide rail (2) and the second welding slide rail (3); a lifting door (19) is arranged at the position, corresponding to the first welding slide rail (2) and the second welding slide rail (3), of the welding protective cover (18), and when the welding fixture platform (11) is transferred, the lifting door (19) is opened; during welding, the lifting door (19) is closed; the safety guardrail (20) is arranged around the peripheries of the first welding slide rail (2) and the second welding slide rail (3).
9. The automatic welding production line for the battery boxes of the automobiles according to claim 8, characterized in that: still include PLC, fortune material line (1), first welding slide rail (2), second welding slide rail (3), tongs place the platform (4), material loading robot (5), welding robot (6), welding jig platform (11), welding protection casing (18) all are connected with the PLC electricity, receive PLC centralized control.
10. An automatic welding production method of an automobile battery box based on the automatic welding production line of the automobile battery box of claim 9, which is characterized in that:
s1, arranging the battery box shell (9) and various battery box parts (10) in sequence on the material conveying line (1), conveying along with the material conveying line (1), and judging various material conveying positions by the material identification mechanism (16);
s2, after the material reaches a required position, a first quick-change gripper (7) is arranged on the feeding robot (5), the clamping battery box shell (9) is placed on a welding fixture platform (11) of the first welding slide rail (2), and the pressing arm (115) clamps the battery box shell (9); then a feeding robot (5) unloads the first quick-change gripper (7) and installs the second quick-change gripper (8), the clamping battery box parts (10) are arranged on a battery box shell (9), and a pressing block (119) presses the battery box parts (10);
s3, moving the welding clamp platform (11) to the other end welding station along the first welding slide rail (2), and welding the battery box on the first welding slide rail (2) by the welding robot (6);
meanwhile, the feeding robot (5) feeds the welding fixture platform (11) of the second welding slide rail (3), namely, the S2 operation is repeated;
s4, completing welding of the battery box on the welding fixture platform (11) of the first welding slide rail (2), moving along the first welding slide rail (2) and returning to a feeding station, taking and placing the welded battery box clamp back to the material conveying line (1) by the feeding robot (5) for continuous conveying, and feeding the welding fixture platform (11) of the first welding slide rail (2) by the feeding robot (5);
meanwhile, a welding fixture platform (11) on the second welding slide rail (3) which finishes feeding moves to a welding station at the other end along the second welding slide rail (3), and a welding robot (6) welds the battery box on the second welding slide rail (3);
s5 the first welding slide (2) and the second welding slide (3) operate alternately, and the production line cycles through operations S2-S5.
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| CN202110584077.8A CN113275749A (en) | 2021-05-27 | 2021-05-27 | Automatic welding production line and production method for automobile battery box |
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| CN202110584077.8A CN113275749A (en) | 2021-05-27 | 2021-05-27 | Automatic welding production line and production method for automobile battery box |
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| CN114012253A (en) * | 2021-10-09 | 2022-02-08 | 深圳泰德激光技术股份有限公司 | Automatic welding equipment for battery box |
| CN114211180A (en) * | 2021-12-20 | 2022-03-22 | 柳州柳新汽车冲压件有限公司 | White body welding production line of automobile and whole automobile assembling production line |
| CN114260638A (en) * | 2021-12-22 | 2022-04-01 | 苏州东风精冲工程有限公司 | Rotary welding and pressing device for bipolar plate of hydrogen fuel cell |
| CN114289811A (en) * | 2021-12-20 | 2022-04-08 | 大连龙飞科技有限公司 | Automatic sealing machine for bullet galvanized iron sheet box and working method thereof |
| CN114850670A (en) * | 2022-05-30 | 2022-08-05 | 深圳市镭沃自动化科技有限公司 | Full-automatic welding method and equipment |
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