CN115172849A - Multi-station production line for battery welding and welding method - Google Patents
Multi-station production line for battery welding and welding method Download PDFInfo
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- CN115172849A CN115172849A CN202210892332.XA CN202210892332A CN115172849A CN 115172849 A CN115172849 A CN 115172849A CN 202210892332 A CN202210892332 A CN 202210892332A CN 115172849 A CN115172849 A CN 115172849A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
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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
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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
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention relates to the technical field of battery manufacturing equipment, and provides a battery welding multi-station production line and a welding method, wherein the battery welding multi-station production line comprises the following components: the device comprises a base, a rotary table, a feeding station, a cleaning station, a sealing nail distributing station, a sealing nail pressing station, a welding station, a detection station and a discharging station; the rotary table is rotatably arranged on the base to construct and form the conveying line; the battery cell can be transferred among different stations; the feeding station is used for delivering the battery cells to the conveying line; the cleaning station is used for cleaning the liquid injection port; the sealing nail distributing station is used for distributing and placing the sealing nails at the liquid injection port; the sealing nail pressing station is used for pressing the sealing nails; the welding station is used for welding the sealing nail and the battery cell; the detection station is used for detecting the welding condition of the battery cell; and the blanking station is used for moving the battery core out of the conveying line. The multi-station production line for welding the battery can shorten the transfer time of the battery and improve the welding efficiency of the battery.
Description
Technical Field
The invention relates to the technical field of battery manufacturing equipment, in particular to a battery welding multi-station production line and a welding method.
Background
As batteries become widely used, higher demands are made on the manufacturing efficiency of the batteries. In the process of battery production, need weld electric core, adopt manual operation's mode among the prior art usually, carry electric core to welding mechanism department and carry out operations such as welding, assembly for labour cost is higher, and makes the efficiency of whole battery production lower.
Disclosure of Invention
The invention provides a battery welding multi-station production line and a welding method, which are used for solving the problem of low battery welding efficiency in the prior art.
In a first aspect, the present invention provides a battery welding multi-station production line, comprising: the device comprises a base, a rotary table, a feeding station, a cleaning station, a sealing nail distributing station, a sealing nail pressing station, a welding station, a detection station and a discharging station;
the rotary disc is rotatably arranged on the base to construct and form a conveying line;
the feeding station, the cleaning station, the sealing nail distributing station, the sealing nail pressing station, the second welding station, the detecting station and the blanking station are sequentially arranged on the base along the rotation direction of the conveying line, and the battery cell can be transferred among different stations under the action of the conveying line;
the feeding station is used for delivering the cells to be welded to the conveying line; the cleaning station is used for cleaning a liquid injection port of the battery cell;
the sealing nail distributing station is used for distributing and placing the sealing nails at the liquid injection ports; the sealing nail pressing station is used for pressing the sealing nail to the liquid injection port;
the second welding station is used for welding the sealing nail and the battery cell; the detection station is used for detecting the welding condition of the welded battery cell; and the blanking station is used for moving the welded battery cell out of the conveying line.
According to the multi-station production line for welding the battery, which is provided by the invention, the multi-station production line for welding the battery further comprises a battery cell clamp, wherein the battery cell clamp is arranged on the turntable and is used for clamping the battery cell.
According to the multi-station production line for welding the battery, the battery core clamp comprises a connecting plate, a base plate, a first pressing plate, a second pressing plate, a first driving piece and a second driving piece;
the connecting plate, the backing plate, the first pressing plate and the second pressing plate enclose to form an accommodating space with an opening, the first driving piece is connected to the first pressing plate along a first direction, the second driving piece is connected to the second pressing plate along a second direction, and the first direction and the second direction are perpendicular to each other;
under the effect of first driving piece with the second driving piece, the accommodation space is adjustable at the spatial dimension of horizontal direction, can with the size looks adaptation of electricity core to press from both sides tightly in the horizontal direction electricity core.
According to the battery welding multi-station production line provided by the invention, the battery cell clamp further comprises a third driving piece, the third driving piece is connected to one side, away from the opening of the accommodating space, of the base plate, and under the action of the third driving piece, the space size of the accommodating space in the vertical direction is adjustable, so that the position of the battery cell in the vertical direction is controlled.
According to the battery welding multi-station production line provided by the invention, a plurality of welding stations are arranged between the sealing nail pressing station and the detection station along the circumferential direction of the turntable.
According to the battery welding multi-station production line provided by the invention, the sealing nail distributing station comprises a vibrating disc, a distributing mechanism and a nail feeding mechanism;
the vibration disc is used for providing the sealing nails for the material distributing mechanism; the material distributing mechanism is used for righting the sealing nails; the nail feeding mechanism is used for transferring the sealing nails from the material distributing mechanism to the liquid injection port of the battery core.
According to the multi-station production line for battery welding, provided by the invention, the sealing nail distribution station comprises a pressing assembly, and the pressing assembly is used for pressing the sealing nail so as to enable the sealing nail and the liquid injection port of the battery core to be coaxially arranged.
According to the battery welding multi-station production line provided by the invention, the detection station comprises an image acquisition mechanism and a cache device;
the image acquisition mechanism is arranged on the turntable and used for acquiring an image of the end part of the welded battery cell so as to judge the quality of the welded battery cell according to the image;
the buffer memory device is arranged on the base and used for storing unqualified battery cores.
In a second aspect, the invention further provides a welding method for a production line based on the battery welding multi-station in any one of the first aspects, which comprises the following steps: the feeding station delivers the battery cell to be welded to a conveying line;
the cleaning station cleans a liquid injection port of the battery cell;
the sealing nail distributing station distributes and places the sealing nails at the liquid injection ports;
the sealing nail pressing station presses the sealing nail to the liquid injection port;
the welding station is used for welding the sealing nail and the battery cell;
the detection station detects the welding condition of the welded battery cell;
and the blanking station moves the welded battery core out of the conveying line.
The invention provides a battery welding multi-station production line, which comprises the following components before a cleaning station cleans a liquid injection port of a battery core:
the battery cell is placed in the battery cell clamp, the battery cell is clamped tightly through the battery cell clamp, and the battery cell clamp can drive the battery cell to move between different stations under the rotating action of the rotary table.
The invention provides a battery welding multi-station production line, which comprises a base, a rotary table and a plurality of station components, wherein under the driving action of the rotary table, a battery with a welding function can be fed through a feeding station, then a liquid injection port is cleaned through a cleaning station, after the cleaning, the battery with the welding function is rotated to a sealing nail distributing station and a sealing nail pressing station, the nail feeding pressing operation is carried out, the battery with the nail fed flows to the welding station under the continuous rotation of the rotary table, the welding of a sealing nail and a battery cell is realized at the welding station, further, after the welding is finished, the welded battery is flowed to a detection station through the rotation of the rotary table for welding condition detection, finally the battery with qualified welding is flowed to a blanking station, the battery is delivered to a material line through the blanking station, so that the battery can be subjected to subsequent operation, the battery is transferred among different stations through the multi-station flowing mode, the transfer time of the battery can be shortened, and the welding efficiency of the battery is improved; wherein, in order to improve welding efficiency, avoid wasing, go up the battery after the nail and be in wait state, welding station can set up to a plurality ofly, and a plurality of welding stations are a plurality of batteries simultaneously and are welded for whole welding speed, and then further improved welded efficiency.
Drawings
In order to more clearly illustrate the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of a multi-station production line for welding batteries according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a cell fixture according to an embodiment of the present invention;
fig. 3 is a second schematic structural diagram of a cell fixture according to an embodiment of the present invention;
reference numerals:
1: a base; 2: a turntable; 3: a feeding station; 4: cleaning a station; 5: a seal nail distributing station; 6: a sealing nail pressing station; 7: a first welding station; 8: a second welding station; 9: detecting a station; 10: a blanking station; 11: a cache device; 12: a battery clamp; 121: a connecting plate; 122: a base plate; 123: a first platen; 124: a second platen; 125: a first driving member; 126: a second driving member; 127: and a third driving member.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In addition, in the description of the present invention, unless otherwise specified, "a plurality", and "a plurality" mean two or more, and "a plurality", "several", and "several" mean one or more.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The embodiment of the invention provides a battery welding multi-station production line and a welding method thereof, which are used for solving the problem of low battery welding efficiency in the prior art.
The multi-station production line for welding the battery and the welding method according to the embodiment of the invention are described below with reference to fig. 1 to 3.
In a first aspect, as shown in fig. 1, a multi-station production line for welding a battery according to an embodiment of the present invention includes: the device comprises a base 1, a rotary table 2, a feeding station 3, a cleaning station 4, a sealing nail distributing station 5, a sealing nail pressing station 6, a first welding station 7, a second welding station 8, a detection station 9 and a blanking station 10.
The turntable 2 is rotatably arranged on the base 1 to build up a conveyor line.
The feeding station 3 is used for delivering the cells to be welded to a conveying line; and the cleaning station 4 is used for cleaning a liquid injection port of the battery core.
The sealing nail distributing station 5 is used for distributing and placing the sealing nails at the liquid injection ports; and the sealing nail pressing station 6 is used for pressing the sealing nails to the liquid injection port.
The first welding station 7 and the second welding station 8 are used for welding the sealing nail and the battery core; the detection station 9 is used for detecting the welding condition of the welded battery cell; the blanking station 10 is used for moving the welded battery core out of the conveying line.
Specifically, the multi-station production line for welding the battery provided by the embodiment of the invention can be applied to a multi-station battery production line with four stations, six stations or eight stations and the like, and eight stations are taken as an example for introduction.
As shown in fig. 1, a turntable 2 is arranged on a base 1, the turntable 2 may be disc-shaped, and a feeding station 3, a cleaning station 4, a sealing nail distributing station 5, a sealing nail pressing station 6, a welding station, a detecting station 9 and a blanking station 10 are arranged on the base 1 at intervals along the circumferential direction of the turntable 2.
In the rotating process of the turntable 2, the battery cell can sequentially pass through the feeding station 3, the cleaning station 4, the sealing nail distribution station 5, the sealing nail pressing station 6, the welding station, the detection station 9 and the discharging station 10, and stays at the corresponding station for a certain time as required to correspondingly complete the operation of the station.
In order to further improve welding efficiency, avoid washing, go up the battery after the nail and be in wait state, welding station can set up to a plurality ofly, and a plurality of welding stations are located sealed nail along the circumferential direction of carousel and are compressed tightly between station 6 and the detection station 9.
In the embodiment of the invention, two welding stations are used for introduction, as shown in fig. 1, a first welding station 7 and a second welding station 8 are arranged, and the two welding stations weld two batteries simultaneously, that is, the welding operation of performing spot welding and full welding on the two batteries simultaneously accelerates the whole welding speed, thereby further improving the welding efficiency.
Of course, this is merely an example, in other embodiments, three or four or other numbers may be provided, and simultaneous welding of multiple battery cells may be implemented, and the specific number of welding stations may be increased or decreased as needed.
The invention provides a battery welding multi-station production line, which comprises a base 1, a rotary table 2 and a plurality of station components, wherein under the driving action of the rotary table 2, a battery with welding can be fed through a feeding station 3, then a liquid injection port is cleaned through a cleaning station 4, after cleaning, the battery with welding is rotated to a sealing nail distributing station 5 and a sealing nail pressing station 6, nail feeding and pressing operations are carried out, under the continuous rotation of the rotary table 2, the battery with the nail feeding is circulated to the welding station, the welding of a sealing nail and a battery core is realized at the welding station, furthermore, after the welding is finished, the welded battery is circulated to a detection station 9 through the rotation of the rotary table 2 to be detected in the welding condition, finally, the battery which is qualified in welding is circulated to a blanking station 10, the battery is delivered to a material line through the blanking station 10, so that the battery can be subjected to subsequent operation, the battery is transferred among different stations through the multi-station circulation mode, the transfer time of the battery can be shortened, and the welding efficiency of the battery can be improved; wherein, in order to improve welding efficiency, avoid wasing, go up the battery after the nail and be in wait state, welding station can set up to two or more, and a plurality of welding stations a plurality of batteries weld simultaneously for whole welding speed, and then further improved welded efficiency.
In an optional embodiment, the battery welding multi-station production line further includes a cell fixture 12, the cell fixture 12 is disposed on the turntable 2, and the cell fixture 12 is used for clamping a cell.
Specifically, as shown in fig. 1, in order to ensure that the battery cell can be smoothly circulated on the turntable 2, the battery cell clamps 12 are arranged on the turntable 2, the number of the battery cell clamps 12 can be set according to the number of actual needs, in order to improve the welding efficiency, a plurality of battery cell clamps 12 can be correspondingly set according to the input speed of the battery cell, the plurality of battery cell clamps 12 are sequentially set along the circumferential direction of the turntable 2, in the rotating process of the battery cell clamps 12, the battery cell clamped by the battery cell clamps is transferred to the corresponding station, and corresponding operation is performed. Because electric core is held, avoided the production to rock, guarantee the stability of electric core position, avoid follow-up needs to calibrate the position of electric core many times.
In an alternative embodiment, the cell clamp 12 includes a connecting plate 121, a backing plate 122, a first pressing plate 123, a second pressing plate 124, a first driving member 125, and a second driving member 126.
The connecting plate 121, the backing plate 122, the first pressing plate 123 and the second pressing plate 124 enclose to form an accommodating space with an opening, the first driving member 125 is connected to the first pressing plate 123 along a first direction, the second driving member 126 is connected to the second pressing plate 124 along a second direction, and the first direction and the second direction are perpendicular to each other.
Under the effect of first driving piece 125 and second driving piece 126, the accommodation space is adjustable at the spatial dimension of horizontal direction, can with the size looks adaptation of electric core to press from both sides tight electric core in the horizontal direction.
Further, the battery cell fixture 12 further includes a third driving member 127, the third driving member 127 is connected to one side of the opening of the cushion plate 122 away from the accommodating space, and under the action of the third driving member 127, the size of the accommodating space in the vertical direction is adjustable, so as to control the position of the battery cell in the vertical direction.
Specifically, as shown in fig. 2, the connecting plate 121, the backing plate 122, the first pressing plate 123 and the second pressing plate 124 form an open structure with an opening facing the opening, the opening is used for placing the battery cell, the backing plate 122 is driven to move in the height direction by a corresponding driving member, and the first pressing plate 123 and the second pressing plate 124 move in the horizontal direction to adjust the size of the opening, so as to clamp the battery cell in the horizontal direction, and ensure that the battery is in a stable state in the operations of transferring, welding and the like.
As shown in fig. 3, a third driving member 127 is further disposed below the backing plate 122, and the third driving member 127 can drive the electric core to move in the vertical direction, so as to adjust the position of the electric core, so that the electric core can correspond to the positions of the cleaning station 4, the sealing nail distributing station 5, the sealing nail pressing station 6 and the welding station, and a device corresponding to the station does not need to be adjusted, and only the position of the electric core needs to be moved by the driving member.
The first driving member 125 and the second driving member 126 may be both cylinders, and the third driving member 127 may be a push rod.
In an alternative embodiment, the seal nail separating station 5 comprises a vibrating disc, a separating mechanism and a nail feeding mechanism.
The vibrating disc is used for providing sealing nails for the material distributing mechanism; the material distribution mechanism is used for righting the sealing nails; the nail feeding mechanism is used for transferring the sealing nails to the liquid injection port of the battery cell through the material distributing mechanism.
Specifically, in the branch material stage of sealed nail, at first provide required quantity sealed nail through the vibration dish, then through the sealed nail of feed mechanism with providing and ajust, inhale the notes liquid mouth department to electric core through last nail mechanism after ajusting, wait for compressing tightly.
Further, sealed nail divides material station 5 to compress tightly the subassembly including compressing tightly, compresses tightly the subassembly and is used for compressing tightly the sealed nail to make sealed nail and the notes coaxial setting of liquid mouth of electric core.
The sealing nail distribution station 5 can continuously work and can stop the sealing nails in a queue, and after the last sealing nail is assembled to the battery cell liquid injection port, compressed and transferred to the next station, the repeated nail feeding operation is continuously carried out on the battery cell on the next battery cell clamp 12.
In an alternative embodiment, the inspection station 9 comprises an image acquisition mechanism and a buffer device.
An image acquisition mechanism is arranged on the turntable 2, and the image acquisition mechanism is used for acquiring images of the end parts of the welded electric cores so as to judge the quality of the welded electric cores according to the images.
On memory device 11 located base 1, memory device 11 is used for saving unqualified electric core.
Specifically, the image acquisition mechanism can be a camera, and the camera is used for photographing to acquire an image of the welded battery core, and the image is analyzed to judge whether the obtained battery meets the requirements or not, so that qualified products meeting the welding quality are moved out of the conveying line, and defective products not meeting the welding quality are removed.
Further, collection of defective products is facilitated. The battery welding multi-station production line further comprises a buffer device 11.
On buffer memory device 11 located base 1, buffer memory device 11 is used for saving unqualified electric core.
In a second aspect, an embodiment of the present invention further provides a welding method for a multi-station production line for battery welding based on any one of the first aspects, including:
the loading station 3 delivers the cells to be welded to a conveyor line.
And the cleaning station 4 cleans the liquid injection port of the battery cell.
The sealing nail distributing station 5 distributes and places the sealing nails at the liquid injection ports.
And the sealing nail pressing station 6 presses the sealing nail to the liquid injection port.
And the welding station is used for welding the sealing nail and the battery cell.
And the detection station 9 detects the welding condition of the welded battery cell.
And the blanking station 10 moves the welded battery core out of the conveying line.
Wherein, before washing station 4 washs the notes liquid mouth of electric core, still include:
place electric core in electric core anchor clamps 12 to press from both sides electric core tightly through electric core anchor clamps 12, electric core anchor clamps 12 can drive electric core and remove between different stations under the rotation effect of carousel 2.
Specifically, when the multi-station production line for battery welding provided by the above embodiment is used for welding, firstly, the battery cell is conveyed to the feeding station 3 of the production line, then, the battery cell is clamped and transferred to the battery cell clamp 12 on the turntable 2 through the feeding device, and at this time, the first feeding is completed;
rotating the turntable 2, transferring the first cell clamp 12 to the cleaning station 4, performing laser cleaning on a liquid injection port of a cell, meanwhile, positioning the second cell clamp 12 at the loading station 3, continuously clamping the cell on the material line by the loading device, placing the cell on the second cell clamp 12, and after the first cell is cleaned and the second cell is clamped;
rotating the turntable 2, rotating the first battery cell to a sealing nail distributing station 5, placing the sealing nail at a liquid injection port of the battery cell, and simultaneously rotating the second battery cell to a cleaning station 4 for laser cleaning;
continuing to rotate the turntable 2, when the first battery cell rotates to the seal nail pressing station 6, the second battery cell rotates to the seal nail distributing station 5, and the first battery cell is pressed by the seal nail, and meanwhile, the second battery cell is distributed and placed;
and continuously rotating the turntable 2, rotating the first battery cell to a welding station for welding, continuously rotating the turntable 2 after welding, transferring the welded battery to the detection station 9, detecting the welding condition of the welded battery cell, transferring the unqualified battery to the cache device 11 for storage, rotating the qualified battery to the blanking station 10, and moving the battery out of the conveying line through the blanking device clamp.
The above description is only given by taking two cell clamps 12 as an example, and in actual operation, a plurality of cell clamps 12 may be provided, and the cell clamps are sequentially and sequentially transferred between the stations under the rotation action of the turntable 2. For example, as shown in fig. 1, 8 cell holders 12 are provided, and eight cell holders 12 can be rotated by the production line, so that the cells on each cell holder 12 can be subjected to corresponding operations in sequence.
According to the battery welding method provided by the embodiment of the invention, the battery is transferred among different stations in a multi-station circulation mode, the transfer time of the battery can be shortened, and the welding efficiency of the battery is improved.
The above-described embodiments of the apparatus are merely illustrative, and units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one position, or may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment, and those skilled in the art can understand and implement the solution without creative efforts.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a battery welding multistation production line which characterized in that includes: the device comprises a base, a rotary table, a feeding station, a cleaning station, a sealing nail distributing station, a sealing nail pressing station, a welding station, a detection station and a discharging station;
the rotary table is rotatably arranged on the base to construct a conveying line, and the conveying line is used for conveying the battery core;
the feeding station, the cleaning station, the sealing nail distributing station, the sealing nail pressing station, the welding station, the detecting station and the blanking station are sequentially arranged on the base along the rotation direction of the conveying line, and the battery cell can be transferred among different stations under the action of the conveying line;
the feeding station is used for delivering the cells to be welded to the conveying line; the cleaning station is used for cleaning a liquid injection port of the battery cell;
the sealing nail distributing station is used for distributing and placing the sealing nails at the liquid injection ports; the sealing nail pressing station is used for pressing the sealing nail to the liquid injection port;
the welding station is used for welding the sealing nail and the battery cell; the detection station is used for detecting the welding condition of the welded battery cell; and the blanking station is used for moving the welded battery core out of the conveying line.
2. The battery welding multi-station production line of claim 1, further comprising a cell clamp, wherein the cell clamp is arranged on the turntable, and the cell clamp is used for clamping the cell.
3. The battery welding multi-station production line of claim 2, wherein the cell clamp comprises a connecting plate, a base plate, a first pressing plate, a second pressing plate, a first driving piece and a second driving piece;
the connecting plate, the backing plate, the first pressing plate and the second pressing plate enclose to form an accommodating space with an opening, the first driving piece is connected to the first pressing plate along a first direction, the second driving piece is connected to the second pressing plate along a second direction, and the first direction and the second direction are perpendicular to each other;
under the effect of first driving piece with the second driving piece, the accommodation space is adjustable at the spatial dimension of horizontal direction, can with the size looks adaptation of electricity core to press from both sides tightly in the horizontal direction electricity core.
4. The battery welding multi-station production line of claim 3, wherein the cell fixture further comprises a third driving member, the third driving member is connected to one side of the base plate, which is far away from the opening of the accommodating space, and under the action of the third driving member, the size of the accommodating space in the vertical direction is adjustable, so as to control the position of the cell in the vertical direction.
5. The battery welding multi-station production line of claim 1, wherein the number of the welding stations is multiple, and the multiple welding stations are arranged between the sealing nail pressing station and the detection station along the circumferential direction of the turntable.
6. The battery welding multi-station production line according to claim 1, wherein the sealing nail distribution station comprises a vibration disc, a distribution mechanism and a nail feeding mechanism;
the vibration disc is used for providing the sealing nails for the material distributing mechanism; the material distributing mechanism is used for righting the sealing nails; the nail feeding mechanism is used for transferring the sealing nails from the material distributing mechanism to the liquid injection port of the battery core.
7. The battery welding multi-station production line of claim 6, wherein the sealing nail distribution station comprises a pressing assembly, and the pressing assembly is used for pressing the sealing nails so that the sealing nails are arranged coaxially with the liquid injection ports of the battery cores.
8. The battery welding multi-station production line of claim 1, wherein the detection station comprises an image acquisition mechanism and a buffer device;
the image acquisition mechanism is arranged on the turntable and is used for acquiring an image of the end part of the welded battery cell so as to judge the quality of the welded battery cell according to the image;
the buffer memory device is arranged on the base and used for storing unqualified battery cores.
9. A welding method based on the battery welding multi-station production line of any one of claims 1 to 8, which is characterized by comprising the following steps:
the feeding station delivers the battery cell to be welded to a conveying line;
the cleaning station cleans a liquid injection port of the battery cell;
the sealing nail distributing station distributes and places the sealing nails at the liquid injection ports;
the sealing nail pressing station presses the sealing nail to the liquid injection port;
the welding station is used for welding the sealing nail and the battery cell;
the detection station detects the welding condition of the welded battery cell;
and the blanking station moves the welded battery cell out of the conveying line.
10. The welding method of claim 9, wherein before the cleaning station cleans the electrolyte injection port of the battery cell, the welding method comprises the following steps:
the battery cell is placed in the battery cell clamp, the battery cell is clamped tightly through the battery cell clamp, and the battery cell clamp can drive the battery cell to move between different stations under the rotating action of the rotary table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210892332.XA CN115172849A (en) | 2022-07-27 | 2022-07-27 | Multi-station production line for battery welding and welding method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210892332.XA CN115172849A (en) | 2022-07-27 | 2022-07-27 | Multi-station production line for battery welding and welding method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116038194A (en) * | 2023-02-03 | 2023-05-02 | 武汉逸飞激光股份有限公司 | Carousel formula multistation busbar welding equipment |
| CN117655579A (en) * | 2024-01-31 | 2024-03-08 | 宁德时代新能源科技股份有限公司 | Battery sealing nail welding system, use method thereof and battery sealing nail welding method |
-
2022
- 2022-07-27 CN CN202210892332.XA patent/CN115172849A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116038194A (en) * | 2023-02-03 | 2023-05-02 | 武汉逸飞激光股份有限公司 | Carousel formula multistation busbar welding equipment |
| CN116038194B (en) * | 2023-02-03 | 2024-02-09 | 武汉逸飞激光股份有限公司 | Carousel formula multistation busbar welding equipment |
| CN117655579A (en) * | 2024-01-31 | 2024-03-08 | 宁德时代新能源科技股份有限公司 | Battery sealing nail welding system, use method thereof and battery sealing nail welding method |
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