CN115502523A - Stud welding device on battery box wire and using method thereof - Google Patents
Stud welding device on battery box wire and using method thereof Download PDFInfo
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- CN115502523A CN115502523A CN202211124160.8A CN202211124160A CN115502523A CN 115502523 A CN115502523 A CN 115502523A CN 202211124160 A CN202211124160 A CN 202211124160A CN 115502523 A CN115502523 A CN 115502523A
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- 238000003466 welding Methods 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000003825 pressing Methods 0.000 claims description 77
- 230000033001 locomotion Effects 0.000 claims description 33
- 238000001514 detection method Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 238000005304 joining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/20—Stud 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
- 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
- B23K31/12—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 investigating the properties, e.g. the weldability, of materials
- B23K31/125—Weld quality monitoring
-
- 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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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Quality & Reliability (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention provides a stud welding device on a battery box wire and a using method thereof, and belongs to the technical field of battery box assembling equipment. The stud welding machine solves the problems that existing stud welding on a battery box is low in efficiency, cannot realize accurate positioning and cannot accurately judge whether welding is in place. The invention relates to a stud welding device on a battery box wire. In the invention, the battery pack is accurately positioned for the first time and the second time so as to ensure that the battery pack can accurately reach the position to be positioned of the welding stud, and the battery pack can be automatically transferred to the position to be positioned of the welding stud from the assembly line frame through two times of accurate positioning, so that the function of automatically transferring the battery pack of the stud welding device is realized.
Description
Technical Field
The invention belongs to the technical field of battery box assembling equipment, and relates to a stud welding device on a battery box wire and a using method thereof.
Background
The battery needs to be installed in the battery box in the use process, then is connected with the automobile electric equipment through the electric wire, and the stud on the battery box shell is used as a connecting piece with the automobile battery box, so that the service life of the battery box is directly influenced.
At present, the welding mode of the stud of the battery box mainly comprises the steps that the battery box is conveyed to a welding fixture from an assembly line through manpower, then the robot carries out stud welding, although the operation can realize the stud welding on the battery box, the manual conveying efficiency is low, only the battery pack is conveyed to the fixture, accurate positioning cannot be realized, and only visual detection is carried out after welding is finished, so that the welding mode is not in accordance with modern production standards.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a stud welding device on a battery box wire, which has high efficiency, can realize accurate positioning and can automatically detect whether the stud welding device is welded in place, and a using method thereof.
The purpose of the invention can be realized by the following technical scheme: a battery compartment inline stud welding apparatus comprising:
a work table;
the jacking mechanism is arranged in the middle of the workbench and can drive the battery box to lift and limit the battery box to move in the X-axis direction;
the positioning mechanism is arranged on the workbench and is provided with a pin structure for limiting the battery box to move in the X-axis direction, the Y-axis direction and the Z-axis direction;
the side pushing mechanism is arranged on the workbench, the positioning mechanism and the side pushing mechanism are respectively positioned at two sides of the jacking mechanism, and the side pushing mechanism and the positioning mechanism limit the battery box to move in the Y-axis direction;
the jacking mechanism and the pressing mechanism limit the battery box to move in the Z-axis direction; and the pressing mechanism is provided with a detection mechanism for detecting the stud.
In the above stud welding device on battery box line, the jacking mechanism includes a jacking plate and a jacking cylinder body for driving the jacking plate to lift relative to the workbench, the jacking cylinder body is connected with the workbench, and the jacking plate is provided with a pressing member for limiting the movement of the battery box in the X-axis direction and a pushing member for pushing the battery box to reset.
In the above stud welding device on battery box line, the pressing member includes a stopper block disposed on one side of the lifting plate and a pressing block movable relative to the lifting plate, the lifting plate is provided with a pressing cylinder for driving the pressing block to move, when the battery box is placed on the lifting plate, the stopper block is located outside the battery box, and the pressing block is located inside the battery box.
In the above-mentioned stud welding device on battery box line, the push back piece includes the push back board that can move relative to the jacking board, be equipped with the push back cylinder body that is used for driving the push back board to move on the jacking board, the direction of motion of push back board and the direction of motion of briquetting mutually perpendicular to, and the direction of motion of push back board and the direction of motion of side push mechanism are opposite.
In the above-mentioned stud welding device on battery case line, the positioning mechanism includes the locating rack that is equipped with on the workstation, be equipped with the location dog on the locating rack, the quantity of round pin structure is at least two to all be located one side that the locating rack is close to the side push mechanism.
In foretell stud welding set on battery case line, be equipped with the locating piece the same with round pin structure quantity in a side of battery case, every round pin structure all includes that the activity locates the locating pin of locating rack top and the lower tray of locating rack below is located in the activity, be equipped with the key seat the same with locating pin quantity on the locating rack, be equipped with the location cylinder body that is used for driving the locating pin removal on the key seat, the below of locating rack is equipped with the lower tray body that is used for driving the tray removal down.
In the above-mentioned stud welding device on battery case line, the positioning pin includes a stop ring and a lower end portion, the lower end portion is connected with the stop ring, the diameter of the stop ring is larger than the width of the lower end portion, when the lower support block drags the corresponding positioning block, the lower end portion of the positioning pin is inserted into the positioning block, and the stop ring butts against the positioning block, the battery case can be limited from moving in the X-axis, Y-axis and Z-axis directions.
In foretell stud welding set on battery case line, push down the mechanism including locating the lower pressure frame on the locating rack, one side activity of pushing down the frame is equipped with the holding down plate, be equipped with the cylinder body that pushes down that is used for driving the holding down plate and removes on the frame down, the activity of the opposite side of pushing down the frame is equipped with the electrode block, be equipped with the linking cylinder body on the frame down, the activity is equipped with the linking piece of being connected with the electrode block on the linking cylinder body.
The utility model provides a stud welding set on battery case line, still includes the flowing water frame that is used for carrying the battery case, be equipped with two delivery track on the flowing water frame, delivery track is located the top of workstation, climbing mechanism's jacking board can follow and pass between two delivery track, the interval is provided with a plurality of locating parts in the flowing water frame.
A use method of a stud welding device on a battery box wire comprises the following steps:
step 1, placing a battery box on a flow rack, and driving the battery box to move by a conveying track of the flow rack;
step 2, when the side pushing mechanism detects the battery boxes, the conveying track stops working, and the limiting piece limits the rest battery boxes to continue moving;
step 3, the battery box is lifted by the jacking mechanism, then the side pushing mechanism pushes the battery box towards the positioning mechanism until the positioning mechanism and the side pushing mechanism clamp the battery box to limit the movement of the battery box in the Y-axis direction, and then, one side edge of the battery box is clamped by the pressing part to limit the movement of the battery box in the X-axis direction;
step 4, descending the pressing mechanism until the pressing mechanism and the jacking mechanism clamp the battery box to limit the movement of the battery box in the Z-axis direction, and meanwhile, grounding the battery box;
step 5, inserting each pin structure into a corresponding positioning block on the battery box respectively so as to limit the movement of the battery box in the X-axis direction, the Y-axis direction and the Z-axis direction again;
step 6, welding the studs on the battery box by a robot suitable for the battery box, and enabling the studs to be respectively positioned under the second sensors respectively corresponding to the studs, and then respectively detecting whether the corresponding studs are welded in place by the second sensors;
step 7, after the second sensor detects that all the studs are welded in place, the pin structure is reset, the side pushing mechanism is reset, the pressing piece is reset, and meanwhile, the back pushing piece pushes the battery box to reset so that the battery box is positioned right above the two conveying rails;
step 8, the jacking mechanism descends, and when the bottom of the battery box is simultaneously contacted with the two conveying rails, the jacking mechanism continues to descend until the battery box is separated from the jacking mechanism;
and 9, resetting the limiting part and not limiting the battery box to move any more, and enabling the two conveying rails to work and drive the battery box to continue to move.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the two sides of the battery box are clamped through the positioning mechanism and the side pushing mechanism so as to limit the movement of the battery box in the Y-axis direction, one side of the battery box is clamped through the clamping piece of the jacking mechanism so as to limit the movement of the battery box in the X-axis direction, and the top and the bottom of the battery box are clamped through the pressing mechanism and the jacking mechanism so as to limit the movement of the battery box in the Z-axis direction, so that the first-time movement limitation of the battery box in the X-axis direction, the Y-axis direction and the Z-axis direction can be realized, namely, the first-time accurate positioning of the battery box is realized, and the follow-up robot can be ensured to accurately weld the stud on the battery box.
2. The positioning blocks corresponding to one side of the battery box are connected in an inserting mode through at least two pin structures, the battery box can be limited to move in the X-axis direction, the Y-axis direction and the Z-axis direction for the second time, the battery box is guaranteed to move in a staggered mode in the process of welding the studs, meanwhile, the second-time accurate positioning of the battery box is achieved, and the follow-up robot can be guaranteed to weld the studs on the battery box accurately.
3. With battery package through first accurate location and the accurate location of second time to guarantee that battery package can reach the position of treating of welding double-screw bolt accurately, and through twice accurate location, can also realize that battery package from the assembly line frame automatic transfer to the position of treating of welding double-screw bolt, in order to realize the function of this double-screw bolt welding set's automatic transfer battery package.
4. After the robot welds each stud to the preset position of battery package, each second sensor detects respectively whether the stud that corresponds welds in place to whether people judge that the stud welds in place.
5. Through a use method of the stud welding device on the battery box line, the battery pack can be automatically transferred to the stud welding device from the assembly line frame, the studs are automatically and accurately welded on the battery box, whether the studs are welded in place can be automatically detected, and the studs are transferred to the assembly line frame again after welding is finished, so that the working efficiency of the studs arranged on the battery box is improved, manual operation can be reduced, and the stud welding success rate is improved.
Drawings
FIG. 1 is a schematic structural diagram of a stud welding device according to a first embodiment.
Fig. 2 is a schematic structural view of the jacking mechanism.
Fig. 3 is an assembly diagram of the positioning mechanism, the pressing mechanism, and the detecting mechanism.
Fig. 4 is a schematic structural view of the pressing mechanism.
Fig. 5 is an assembly view of the positioning mechanism and pin structure.
Fig. 6 is a schematic configuration diagram of the detection mechanism.
Fig. 7 is a schematic structural view of the side push mechanism.
Fig. 8 is an assembly diagram of the assembly line frame and the stud welding apparatus according to the second embodiment.
Fig. 9 is a schematic structural diagram of the limiting member.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
Example one
As shown in fig. 1 to 7, the battery pack on-line stud welding device of the present invention includes a table 100, a jacking mechanism 200, a positioning mechanism 300, a pin structure 500, a side pushing mechanism 400, a pressing mechanism 600, and a detection mechanism 700.
In the present invention, the bottom surface of the battery case 900 is recessed to form a cavity (not shown) for storing the battery case.
The jacking mechanism 200 is arranged in the middle of the workbench 100, the jacking mechanism 200 can drive the battery box 900 to lift and can limit the battery box 900 to move in the X-axis direction, the positioning mechanism 300 is arranged on the workbench 100, the positioning mechanism 300 is provided with a pin structure 500 for limiting the battery box 900 to move in the X-axis direction, the Y-axis direction and the Z-axis direction, the side pushing mechanism 400 is arranged on the workbench 100, the positioning mechanism 300 and the side pushing mechanism 400 are respectively positioned at two sides of the jacking mechanism 200, the side pushing mechanism 400 and the positioning mechanism 300 limit the battery box 900 to move in the Y-axis direction, the pressing mechanism 600 is arranged on the positioning mechanism 300, and the jacking mechanism 200 and the pressing mechanism 600 limit the battery box 900 to move in the Z-axis direction; the pressing mechanism 600 is provided with a detection mechanism 700 for detecting the stud, when the battery box is located right above the jacking mechanism 200, the side pushing mechanism 400 detects the battery box 900, at this time, the battery box 900 is at an initial position, thereafter, the jacking mechanism 200 pushes the battery box 900 to rise to a preset height of the jacking mechanism 200, subsequently, the side pushing mechanism 400 pushes the battery box 900 to move towards the positioning mechanism 300, the positioning mechanism 300 and the side pushing mechanism 400 clamp the battery box 900 to limit the battery box 900 to move in the Y-axis direction, subsequently, the jacking mechanism 200 clamps one side of the battery box 900 to limit the battery box 900 to move in the X-axis direction, thereafter, the pressing mechanism 600 descends until the pressing mechanism 600 and the jacking mechanism 200 clamp the battery box 900 to limit the battery box 900 to move in the Z-axis direction, at the same time, the battery box 900 is grounded, thereafter, each pin structure 500 is inserted into a corresponding positioning block 910 on the battery box 900 respectively to restrict the battery box 900 from moving in the X-axis, Y-axis and Z-axis directions again, after the battery box 900 is positioned by the welding device, the stud is welded on the battery box 900 by a robot suitable for the battery box 900, the stud welded on the battery box 900 is detected by the detection mechanism 700 to judge whether the stud is welded in place, when the detection mechanism 700 detects that the stud is welded in place, the pin structure 500 is reset, the side pushing mechanism 400 is reset, the pressing mechanism 600 is reset, the battery box 900 is not clamped by the jacking mechanism 200 any more, meanwhile, the battery box 900 is driven by the jacking mechanism 200 to reset to the initial position, through the welding device, the stud can be welded on the battery box 900 automatically and accurately, and whether the stud is welded in place can be detected automatically, thereby improving the working efficiency of the stud mounted on the battery box 900, and manual operation can be reduced, and the success rate of stud welding is improved.
As shown in fig. 1-2, the jacking mechanism 200 includes a jacking plate 210 and a jacking cylinder 220 for driving the jacking plate 210 to lift relative to the workbench 100, the jacking cylinder 220 is connected to the workbench 100, the jacking plate 210 is provided with a pressing member 230 for limiting the movement of the battery box 900 in the X-axis direction and a pushing member 240 for pushing the battery box 900 to reset, wherein at least two pairs of lifting rods 250 are movably inserted into the workbench 100, one end of each lifting rod 250 is connected to the jacking plate 210, one end of each pair of lifting rods 250 away from the jacking plate 210 is connected through a connecting plate 251, the lifting rods 250 can ensure the directional movement of the jacking plate 210 relative to the workbench 100, when the battery box 900 is located directly above the jacking plate 210, the jacking cylinder 220 can drive the jacking plate 210 and the lifting rod 250 to ascend, so that the jacking plate 210 can drive the battery box 900 to ascend, and when the jacking plate 210 drives the battery box 900 to ascend to a certain height, the side pushing mechanism 400 pushes one side of the battery box 900, so that two sides of the battery box 900 can be clamped by the positioning mechanism 300 and the side pushing mechanism 400, and thereafter, the compressing member 230 clamps one side of the battery box 900, so as to limit the battery box 900 to move in the X-axis direction, after the stud welding is completed, the compressing member 230 does not clamp the battery box 900 any more, the side pushing mechanism 400 resets, so that the return pushing mechanism can push the battery box 900 back to the initial position.
The pressing piece 230 comprises a blocking piece 231 arranged on one side of the jacking plate 210 and a pressing piece 232 capable of moving relative to the jacking plate 210, the jacking plate 210 is provided with a pressing cylinder 233 used for driving the pressing piece 232 to move, when the battery box 900 is placed on the jacking plate 210, the blocking piece 231 is located outside the battery box 900, the pressing piece 232 is located inside the battery box 900, during operation, the pressing cylinder 233 drives the pressing piece 232 to move relative to the jacking plate 210 until the pressing piece 232 presses the battery box, so that the pressing piece 232 and the blocking piece 231 can clamp the battery box 900, and therefore movement of the battery box on the X axis is limited, namely the positioning of the battery box 900 on the X axis is achieved.
The pushing back part 240 comprises a pushing back plate 241 capable of moving relative to the lifting plate 210, a pushing back cylinder 242 for driving the pushing back plate 241 to move is arranged on the lifting plate 210, the moving direction of the pushing back plate 241 is perpendicular to the moving direction of the pressing block 232, and the moving direction of the pushing back plate 241 is opposite to the moving direction of the side pushing mechanism 400, wherein the pushing back part 240 is located in the accommodating cavity of the battery box 900, and after the stud welding on the battery box 900 is completed, the pushing back cylinder 242 drives the pushing back plate 241 to move towards the side pushing mechanism 400, so that the pushing back plate 241 can push the battery box 900 back to the initial position.
As shown in fig. 1, 5 and 7, the side pushing mechanism 400 includes a side pushing frame 410 disposed on the worktable 100, the side pushing frame 410 is movably provided with a side pushing plate 420, the side pushing frame 410 is provided with a side pushing cylinder 430 for driving the side pushing plate 420 to move, the side pushing plate 420 can push the battery box 900 toward the positioning mechanism 300, one side of the side pushing frame 410 is provided with a first sensor 411, the positioning mechanism 300 includes a positioning frame 310 disposed on the worktable 100, the positioning frame 310 is provided with a positioning stopper 320, when a person transfers the battery box 900 to a position right above the lifting plate 210, the first sensor 411 detects the battery box 900, the lifting plate 210 drives the battery box 900 to rise to a preset height, and then the side pushing cylinder 430 drives the side pushing plate 420 to move, so that the side pushing plate 420 can push the battery box 900 toward the positioning mechanism 300, until two sides of the battery box 900 are clamped by the side pushing plate 420 and the positioning stopper 320, and the movement of the battery box 900 in the Y axis direction can be limited.
The number of the pin structures 500 is at least two, and the pin structures 500 are located on one side of the positioning frame 310 close to the side pushing mechanism 400, one side of the battery box 900 is provided with positioning blocks 910 the number of which is the same as that of the pin structures 500, each pin structure 500 comprises a positioning pin 510 movably arranged above the positioning frame 310 and a lower supporting block 540 movably arranged below the positioning frame 310, a pin seat 520 the number of which is the same as that of the positioning pin 510 is arranged on the positioning frame 310, a positioning cylinder 530 for driving the positioning pin 510 to move is arranged on the pin seat 520, a lower supporting cylinder 550 for driving the lower supporting block 540 to move is arranged below the positioning frame 310, wherein the positioning pin 510 comprises a retaining ring 511 and a lower end 512, the lower end 512 is connected with the retaining ring 511, the diameter of the retaining ring 511 is larger than the width of the lower end 512, after the battery box 900 is limited to move in the directions of the X axis, the Y axis and the Z axis, the lower supporting block 540 is required to be operated until the top of the lower supporting block 540 abuts against the bottom of the positioning block 910, and the positioning pin 510 is moved again, and the secondary positioning pin is welded to the stud 900, and the battery box 900 is not welded in the secondary positioning cylinder 511 and the secondary positioning cylinder 900, and the secondary positioning cylinder 511 is welded to be positioned in the secondary axis, and the secondary positioning cylinder 900.
As shown in fig. 4 and 6, the pressing mechanism 600 includes a pressing frame 610 disposed on the positioning frame 310, a pressing plate 620 is movably disposed on one side of the pressing frame 610, a pressing cylinder 630 for driving the pressing plate 620 to move is disposed on the pressing frame 610, an electrode block 640 is movably disposed on the other side of the pressing frame 610, a connecting cylinder 650 is disposed on the pressing frame 610, and a connecting block 660 connected to the electrode block 640 is movably disposed on the connecting cylinder 650, wherein the electrode block 640 is connected to a ground line, when the X-axis direction and the Y-axis direction of the battery box 900 are limited, the pressing cylinder 630 drives the pressing plate 620 to descend until the pressing plate 620 abuts against the top surface of the battery box 900, so that the top and the bottom of the battery box 900 are clamped by the pressing plate 620 and the lifting plate 210, and the movement of the battery box 900 in the Z-axis direction can be limited; meanwhile, the joining cylinder 650 drives the joining block 660 and the electrode block 640 to descend, and the electrode block 640 is abutted against the top surface of the battery box 900, so that the battery box 900 can be grounded, the situation of electric leakage of the stud in the welding process can be avoided for the battery box 900, and the safety in the welding process can be ensured.
The detection mechanism 700 comprises two columns 710 arranged on the pressing frame 610, each column 710 is provided with a detection frame 720, each detection frame 720 is provided with at least two second sensors 730, the shape of the detection frame 720 can be L-shaped or T-shaped, when the detection mechanism works, a robot needs to weld each stud with the side surface of the battery box 900 together, and each stud is located right below the corresponding second sensor 730, and then each second sensor 730 respectively detects whether the corresponding stud is welded in place, when the second sensor 730 detects that the stud is not welded or not welded in place, the corresponding second sensor 730 generates a corresponding signal and transmits the signal to a control system of the welding device, so that people can know in time, and then people can perform manual welding or program adjustment on the robot, when the second sensor 730 detects that all studs are welded in place, the pin structure 500 is reset, the side-pushing mechanism 400 is reset, the pressing mechanism 600 is reset, and the pressing piece is reset, and meanwhile, the pushing piece 240 pushes the battery box 900 to be reset, so that the battery box 900 is pushed back, and the battery box is lifted to the initial position 200.
Example two
As shown in fig. 8 to 9, in the present embodiment, the stud welding apparatus according to the first embodiment is applied to a flow stand 800.
Specifically, the battery box on-line stud welding device further comprises a flow rack 800 for conveying the battery box 900, two conveying rails 810 are arranged on the flow rack 800, the conveying rails 810 are located above the workbench 100, the jacking plate 210 of the jacking mechanism 200 can penetrate between the two conveying rails 810, a plurality of limiting pieces 820 are arranged in the flow rack 800 at intervals, in the process of conveying the battery box 900, the two conveying rails 810 move relative to the flow rack 800, and the conveying rails 810 support two sides of the bottom surface of the battery box 900, so that the two conveying rails 810 can drive the battery box 900 to be transferred from one end of the flow rack 800 to the other end, in the process, the battery box 900 can pass through the stud welding device, and further, when the battery box 900 is detected by the first sensor 411, the battery box 900 is located right above the lifting plate, meanwhile, the conveying rails 810 stop working, and the limiting pieces 820 can limit the remaining battery boxes 900 to continue to move, thereby avoiding the remaining battery boxes 900 passing through the stud welding device and avoiding the collision of the adjacent battery boxes 900.
Each limiting member 820 comprises a limiting plate 821 connected with the flow water rack 800, a limiting seat 822 is arranged on the limiting plate 821, a limiting block 823 is hinged to the limiting seat 822, a limiting cylinder body 824 is arranged in the limiting plate 821, a limiting rod 825 used for driving the limiting block 823 to rotate is movably arranged on the limiting cylinder body 824, the limiting rod 825 penetrates through the limiting seat 822 and the limiting plate 821, when the stud welding device performs stud welding on one battery box 900, the limiting member 820 limits the movement of the rest of the battery boxes 900 on the flow water rack 800, specifically, the limiting cylinder body 824 drives the limiting rod 825 to descend, two side faces of the limiting block 823 are hinged to the limiting seat 822, the limiting seat 822 is connected with the limiting plate 821, the limiting plate 821 is connected with the flow water rack 800, the top end of the limiting rod 825 is hinged to the limiting block 823, one end, far away from the limiting rod 825, of the limiting block 823 tilts upwards to limit the movement of the rest of the battery boxes 900 relative to the flow water rack 800, and when one battery box 900 is reset to an initial position, the limiting cylinder body 824 pushes the limiting rod 823 out of the limiting rod 825, so that one end, far away from the limiting rod 825, and one end of the flow water rack 800 can move downwards.
EXAMPLE III
The embodiment is a use method of a stud welding device on a battery box wire, and the use method comprises the following steps:
step 1, during operation, people need to place the battery box 900 on the input end of the flow water rack 800, and enable the two conveying rails 810 to support the battery box 900, so that the two conveying rails 810 of the flow water rack 800 can drive the battery box 900 to move;
step 2, when the first sensor 411 of the side pushing mechanism 400 detects the battery box 900, the two conveying rails 810 stop working, and the limiting block 823 of the limiting member 820 is turned over to limit the rest of the battery boxes 900 to continue moving, so as to avoid the rest of the battery boxes 900 from colliding with the battery boxes 900 located in the workbench 100, thereby ensuring that the stud welding device can normally work, and at this time, the position of the battery box 900 located on the workbench 100 is an initial position;
step 3, the battery box 900 is lifted to a preset height by the lifting plate 210 of the lifting mechanism 200, and then the side pushing plate 420 of the side pushing mechanism 400 pushes the battery box 900 towards the positioning stopper 320 of the positioning mechanism 300 until the positioning stopper 320 and the side pushing plate 420 clamp both sides of the battery box 900 to limit the movement of the battery box 900 in the Y-axis direction, and then one side of the battery box 900 is clamped by the squeezing block and the blocking block 231 to limit the movement of the battery box 900 in the X-axis direction;
step 4, the lower pressing cylinder 630 drives the lower pressing plate 620 to descend until the lower pressing plate 620 and the lifting plate 210 clamp the top and the bottom of the battery box 900 so as to limit the movement of the battery box 900 in the Z-axis direction, meanwhile, the engaging cylinder 650 drives the engaging block 660 and the electrode block 640 to descend, and the electrode block 640 is also abutted against the top surface of the battery box 900, so that the grounding of the battery box 900 can be realized, and after the step, the first limit of the movement of the battery box 900 in the X-axis direction, the Y-axis direction and the Z-axis direction can be realized;
step 5, the lower supporting block 540 supports the corresponding positioning block 910, the positioning pins 510 are inserted into the corresponding positioning blocks 910, the lower end portions 512 of the positioning pins 510 are inserted into the positioning blocks 910, and the lower end surfaces of the retaining rings 511 abut against the positioning blocks 910, so that the battery box 900 can be limited to move in the directions of the X axis, the Y axis and the Z axis for the second time, and the battery box 900 is ensured not to move in a staggered manner in the process of welding the stud bolts by the battery box 900 again, and meanwhile, the second accurate positioning of the battery box 900 is realized, so that a follow-up robot can be ensured to accurately weld the stud bolts on the battery box 900;
step 6, welding each stud on a preset position of the battery box 900 through a robot suitable for the battery box 900, enabling each stud to be located under the corresponding second sensor 730, detecting whether the corresponding stud is welded in place or not by each second sensor 730, and when the second sensor 730 detects that the stud is not welded or not welded in place, generating a corresponding signal by the corresponding second sensor 730 and transmitting the signal to a control system of the welding device, so that people can know in time, and then, people can perform manual welding or perform program adjustment on the robot;
step 7, after the detection of the second sensor 730 is finished and all the studs are welded in place, the pin structure 500 is reset, the side pushing mechanism 400 is reset, the pressing mechanism 600 is reset, and the pressing piece is reset, meanwhile, the push back plate 241 of the push back piece 240 pushes the battery box 900 to be reset to be right above the initial position, namely, the battery box 900 is located right above the two conveying tracks 810;
step 8, the jacking cylinder 220 drives the jacking plate 210 to descend, and when the bottom of the battery box 900 is simultaneously contacted with the two conveying rails 810, the jacking mechanism 200 continues to descend until the battery box 900 is separated from the jacking plate 210 of the jacking mechanism 200, the pressing member 230 moves out of the cavity of the battery box 900, and the pushing member 240 also moves out of the cavity of the battery box 900;
step 9, the limiting block 823 of the limiting member 820 rotates reversely, so that the limiting block 823 does not limit the battery box 900 to move on the conveying rails 810 any more, and meanwhile, the two conveying rails 810 work and drive the battery box 900 to move continuously.
By the use method, the battery box can be automatically transferred to the stud welding device from the flow frame 800, the studs can be automatically and accurately welded on the battery box 900, whether the studs are welded in place can be automatically detected, and after welding is finished, the studs are transferred to the flow frame 800 again, so that the working efficiency of the studs arranged on the battery box 900 is improved, manual operation can be reduced, and the success rate of stud welding is improved.
It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
Moreover, descriptions of the present invention as relating to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Claims (10)
1. A stud welding device on a battery box wire is characterized by comprising:
a work table;
the jacking mechanism is arranged in the middle of the workbench and can drive the battery box to lift and limit the battery box to move in the X-axis direction;
the positioning mechanism is arranged on the workbench and is provided with a pin structure for limiting the battery box to move in the X-axis direction, the Y-axis direction and the Z-axis direction;
the side pushing mechanism is arranged on the workbench, the positioning mechanism and the side pushing mechanism are respectively positioned at two sides of the jacking mechanism, and the side pushing mechanism and the positioning mechanism limit the battery box to move in the Y-axis direction;
the pressing mechanism is arranged on the positioning mechanism, and the jacking mechanism and the pressing mechanism limit the battery box to move in the Z-axis direction; and the pressing mechanism is provided with a detection mechanism for detecting the stud.
2. The battery box on-line stud welding device according to claim 1, wherein the jacking mechanism comprises a jacking plate and a jacking cylinder for driving the jacking plate to lift relative to the workbench, the jacking cylinder is connected with the workbench, and the jacking plate is provided with a pressing member for limiting the movement of the battery box in the X-axis direction and a pushing member for pushing the battery box to reset.
3. The on-line stud welding device for battery cases of claim 2, wherein the pressing member comprises a stopper disposed on one side of the lifting plate and a pressing block movable relative to the lifting plate, the lifting plate is provided with a pressing cylinder for driving the pressing block to move, when the battery case is placed on the lifting plate, the stopper is disposed outside the battery case, and the pressing block is disposed inside the battery case.
4. The battery box on-line stud welding device according to claim 3, wherein the push-back member comprises a push-back plate capable of moving relative to the lifting plate, the lifting plate is provided with a push-back cylinder for driving the push-back plate to move, the direction of movement of the push-back plate is perpendicular to the direction of movement of the tightening block, and the direction of movement of the push-back plate is opposite to the direction of movement of the side-pushing mechanism.
5. The battery box on-line stud welding device of claim 1, wherein the positioning mechanism comprises a positioning frame provided with a worktable, the positioning frame is provided with positioning stoppers, the number of the pin structures is at least two, and the pin structures are all positioned on one side of the positioning frame close to the side pushing mechanism.
6. The battery box on-line stud welding device according to claim 5, wherein a number of positioning blocks is the same as that of the pin structures, each pin structure comprises a positioning pin movably arranged above the positioning frame and a lower support block movably arranged below the positioning frame, the positioning frame is provided with a number of pin seats, the number of the pin seats is the same as that of the positioning pins, the pin seats are provided with positioning cylinder bodies for driving the positioning pins to move, and the lower support cylinder bodies for driving the lower support blocks to move are arranged below the positioning frame.
7. The battery box wire stud welding device of claim 6, wherein the positioning pin comprises a stop ring and a lower end, the lower end is connected with the stop ring, the diameter of the stop ring is larger than the width of the lower end, and when the lower support block drags the corresponding positioning block, the lower end of the positioning pin is inserted into the positioning block, and the stop ring abuts against the positioning block, the battery box is limited from moving in the X-axis direction, the Y-axis direction and the Z-axis direction.
8. The battery box wire stud welding device according to claim 5, wherein the pressing mechanism comprises a pressing frame disposed on the positioning frame, a pressing plate is movably disposed on one side of the pressing frame, a pressing cylinder for driving the pressing plate to move is disposed on the pressing frame, an electrode block is movably disposed on the other side of the pressing frame, an engaging cylinder is disposed on the pressing frame, and an engaging block connected to the electrode block is movably disposed on the engaging cylinder.
9. The battery box on-line stud welding device according to claim 5, further comprising a flow frame for conveying the battery box, wherein the flow frame is provided with two conveying rails, the conveying rails are located above the workbench, the lifting plate of the lifting mechanism can pass through the two conveying rails, and a plurality of limiting members are arranged at intervals in the flow frame.
10. The use method of the stud welding device on the battery box wire is characterized by comprising the following steps:
step 1, placing a battery box on a flow rack, and driving the battery box to move by a conveying track of the flow rack;
step 2, when the side pushing mechanism detects the battery boxes, the conveying track stops working, and the limiting piece limits the rest battery boxes to continue moving;
step 3, the battery box is lifted by the jacking mechanism, then the side pushing mechanism pushes the battery box towards the positioning mechanism until the positioning mechanism and the side pushing mechanism clamp the battery box to limit the movement of the battery box in the Y-axis direction, and then the pressing piece clamps one side edge of the battery box to limit the movement of the battery box in the X-axis direction;
step 4, descending the pressing mechanism until the pressing mechanism and the jacking mechanism clamp the battery box to limit the movement of the battery box in the Z-axis direction, and meanwhile, grounding the battery box;
step 5, inserting each pin structure into a corresponding positioning block on the battery box respectively so as to limit the movement of the battery box in the X-axis direction, the Y-axis direction and the Z-axis direction again;
step 6, welding the studs on the battery box by a robot suitable for the battery box, and enabling the studs to be respectively positioned under the second sensors respectively corresponding to the studs, and then respectively detecting whether the corresponding studs are welded in place by the second sensors;
step 7, after the second sensor detects that all the studs are welded in place, the pin structure is reset, the side pushing mechanism is reset, the pressing piece is reset, and meanwhile, the back pushing piece pushes the battery box to reset so that the battery box is positioned right above the two conveying rails;
step 8, the jacking mechanism descends, and when the bottom of the battery box is simultaneously contacted with the two conveying rails, the jacking mechanism continues to descend until the battery box is separated from the jacking mechanism;
and 9, resetting the limiting part and not limiting the battery box to move any more, and enabling the two conveying rails to work and drive the battery box to move continuously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211124160.8A CN115502523B (en) | 2022-09-13 | 2022-09-13 | On-line stud welding device for battery box and application method of on-line stud welding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211124160.8A CN115502523B (en) | 2022-09-13 | 2022-09-13 | On-line stud welding device for battery box and application method of on-line stud welding device |
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| CN115502523A true CN115502523A (en) | 2022-12-23 |
| CN115502523B CN115502523B (en) | 2024-01-23 |
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| CN115502523B (en) | 2024-01-23 |
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