CN115275368A - Battery core hot-pressing charging and discharging device, battery production equipment and hot-pressing method thereof - Google Patents
Battery core hot-pressing charging and discharging device, battery production equipment and hot-pressing method thereof Download PDFInfo
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- CN115275368A CN115275368A CN202211170342.9A CN202211170342A CN115275368A CN 115275368 A CN115275368 A CN 115275368A CN 202211170342 A CN202211170342 A CN 202211170342A CN 115275368 A CN115275368 A CN 115275368A
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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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
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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
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/14—Cells with non-aqueous electrolyte
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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 & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Primary Cells (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention relates to the technical field of lithium battery cell processing, in particular to a cell hot-pressing charging and discharging device and a hot-pressing method thereof.A charging transfer mechanism comprises a base, rotary pressing assemblies are arranged on two sides of the base, and a jacking mechanism is arranged in the middle of the base; the feeding and discharging mechanism comprises a supporting seat, the supporting seat is connected with a clamping cylinder through a connecting assembly, the clamping cylinder is connected with a fixed block on an electric core carrier in a matching mode through a movable assembly, the electric core carrier comprises a carrier frame, the inner side of the carrier frame is connected with a core shaft through a bearing seat, and a flexible anti-sticking belt is fixedly installed between the core shaft and a pressing plate; the hot pressing mechanism comprises a hot pressing frame, an upper heating plate assembly is installed on the lower side of the top end of the hot pressing frame, a lower heating plate assembly is installed on the bottom side of the hot pressing frame, and rotary clamping cylinders are arranged on two sides of the lower heating plate assembly. The invention can complete feeding and discharging under the condition of no grooving on the lower heating plate, and the lower heating plate can be processed by adopting the whole sheet of plate, thereby reducing the processing difficulty and cost.
Description
Technical Field
The invention relates to the technical field of lithium battery cell processing, in particular to a cell hot-pressing charging and discharging device, battery production equipment and a hot-pressing method thereof.
Background
In the battery processing process, the stacked battery core needs to be conveyed to a hot-pressing system to be pressed and heated to form a complete battery core, the battery core needs to be conveyed to a hot-pressing platform in the process, and the battery core needs to be taken out again after the processing is finished and then put into the next procedure.
At present, the jacking device is generally made by slotting on a lower heating plate, then the battery core is conveyed to the jacking device lifted by a feeding mechanism, then the jacking block descends to form a large plane with the lower heating plate, and after hot-pressing processing is completed, the battery core is taken down from jacking by blanking. The biggest shortcoming of this mode is exactly need be at the fluting in original hot plate down, the required precision of this grooved width, degree of depth and plane degree is high and take place the phenomenon that jacking piece and fluting board (hot plate down) collided with easily when jacking piece up-and-down motion, and this kind of mode has the existence of two seams, just need add a flexible anti-sticking tape on the seam, simultaneously because the requirement of electric core processing technology, need be at the one deck pottery that needs to coat with electric core contact surface, because the existence in high-precision groove brings very big processing degree of difficulty for the coating, the pottery drops when colliding with easily and influences hot pressing effect.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the feeding and discharging device for the battery cell, which can be used for completing feeding and discharging under the condition that no groove is formed on the lower heating plate, and the lower heating plate can be processed by using a whole sheet of plate material, so that the processing difficulty and cost are reduced.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a cell hot-pressing charging and discharging device comprises a substrate and a cell carrier, wherein a transfer mechanism, a charging and discharging mechanism, a hot-pressing mechanism and a discharging transfer mechanism are sequentially arranged on the substrate according to the cell processing direction;
the feeding transfer mechanism comprises a base, rotary pressing components are mounted on two sides of the base, and a jacking mechanism is mounted in the middle of the base;
the feeding and discharging mechanism comprises a supporting seat, the supporting seat is movably connected with a bottom plate through a lead screw, the supporting seat is connected with a clamping cylinder through a connecting assembly, and the clamping cylinder is connected with a fixing piece on the battery cell carrier through a movable assembly in a matching manner;
the battery cell carrier comprises a carrier frame, the inner side of the carrier frame is connected with a mandrel through a bearing seat, the mandrel is connected with a pressing plate in a threaded mode, one end of the mandrel is connected with a coil spring, a flexible anti-sticking belt is fixedly installed between the mandrel and the pressing plate, and the flexible anti-sticking belt is tensioned or reset along with the reciprocating motion of the jacking mechanism.
As a further scheme of the invention, the blanking transfer mechanism and the feeding transfer mechanism have the same structure.
As a further scheme of the invention, the hot pressing mechanism comprises a hot pressing frame, a hot pressing machine is installed on the upper side of the hot pressing frame, an upper heating plate assembly is installed on the lower side of the top end of the hot pressing frame, a lower heating plate assembly is installed on the bottom side of the hot pressing frame, and rotary clamping cylinders are arranged on two sides of the lower heating plate assembly.
As a further scheme of the invention, the transfer mechanism is provided with a clamping jaw.
As a further aspect of the present invention, the clamping cylinder is disposed between the connecting assembly and the cell carrier.
As a further scheme of the invention, a plurality of hot pressing mechanisms are arranged and arranged at equal intervals.
As a further scheme of the invention, the carrier frame is of a hollow structure, and a flexible anti-sticking belt covers the carrier frame.
As a further scheme of the present invention, the transfer mechanism, the feeding and discharging mechanism, the hot pressing mechanism and the discharging transfer mechanism are electrically connected to the controller respectively.
A battery production device comprises a battery core hot-pressing charging and discharging device.
A hot-pressing method of a battery cell hot-pressing charging and discharging device comprises the following specific steps:
placing a battery cell carrier with a flexible anti-sticking tape on the surface of a transfer mechanism, wherein a jacking mechanism is arranged in the middle of the transfer mechanism, the flexible anti-sticking tape is tensioned along with the upward displacement of the jacking mechanism, and the battery cell is flatly transferred to the contact surface of the flexible anti-sticking tape and the jacking mechanism;
and resetting the flexible anti-sticking belt through the downward displacement of the jacking mechanism so that the battery core enters the inside of the battery core carrier for subsequent hot pressing.
As the technical scheme is adopted, the invention has the advantages and positive effects that:
1. the transferring mechanism transfers the battery core to a battery core carrier on the charging transferring mechanism, and the charging and discharging mechanism transfers the battery core to the discharging transferring mechanism from the charging transferring mechanism and the hot pressing mechanism in sequence to complete a hot pressing process;
2. the cell on the clamping jaw can be received through the synergistic effect of the jacking mechanism and the cell carrier, and the jacking mechanism and the base do not need high slotting precision;
3. the lower heating plate component adopts a whole plate structure, so that the hot pressing precision of the battery core can be ensured, and the technical problem of difficult coating layer processing is solved;
4. the invention has the characteristics of convenient and efficient use and good practicability.
Drawings
Fig. 1 is a schematic structural diagram of a cell hot-pressing charging and discharging device according to the present invention.
Fig. 2 is a schematic structural view of the loading and unloading mechanism.
Fig. 3 is a schematic structural diagram of the cell carrier.
Fig. 4 is a schematic structural view of the feeding transfer mechanism.
Fig. 5 is a schematic structural view of the hot press mechanism.
In the figure: 1. the transfer mechanism, 2, material loading transfer mechanism, 3, last unloading mechanism, 4, unloading transfer mechanism, 5, hot pressing mechanism, 6, the bottom plate, 7, the conveying chain, 8, a supporting seat, 9, coupling assembling, 10, die clamping cylinder, 11, the movable part, 12, flexible anti-sticking tape, 13, the fixed block, 14, the carrier frame, 15, the bearing frame, 16, the dabber, 17, the clamp plate, 18, the wind spring, 19, the base, 20, rotatory push-down subassembly, 21, the climbing mechanism, 22, rotatory die clamping cylinder, 23, hot pressing frame, 24, the hot press, 25, go up the heating plate subassembly, 26, lower heating plate subassembly.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description.
As shown in fig. 1, the charging and discharging device for battery core hot pressing of the present invention includes a substrate and a battery core carrier, and is characterized in that: a transfer mechanism 1, a loading transfer mechanism 2, a loading and unloading mechanism 3, a hot-press mechanism 5 and an unloading transfer mechanism 4 are sequentially arranged on the substrate according to the processing direction of the battery cell;
it can be known from the above description that after placing electric core on material loading transfer mechanism 2 by transfer mechanism 1, move electric core to hot pressing mechanism 5 by last unloading mechanism 3 and carry out hot pressing, move electric core to unloading transfer mechanism 4 by last unloading mechanism 3 after the hot pressing is accomplished and carry out next process.
As shown in fig. 4, the feeding and transferring mechanism 2 includes a base 19, rotary pressing assemblies 20 are installed on two sides of the base 19, and a jacking mechanism 21 is installed in the middle of the base 19;
as can be seen from the above description, the rotary pressing assembly 20 is used to press the cell carrier down and then clamp the cell carrier tightly, so as to prevent the cell carrier from moving, and the jacking mechanism 21 is used to catch the cell on the transferring mechanism 1, so that the jacking mechanism 21 and the base 19 do not need high slotting precision.
As shown in fig. 2 and fig. 3, the feeding and discharging mechanism 3 includes a supporting seat 8, the supporting seat 8 is movably connected to the bottom plate 6 through a lead screw, the supporting seat 8 is connected to a clamping cylinder 10 through a connecting assembly 9, and the clamping cylinder 10 is connected to a fixing member 13 on the battery cell carrier through a movable assembly 11 in a matching manner; the battery cell carrier comprises a carrier frame 14, the inner side of the carrier frame 14 is connected with a mandrel 16 through a bearing seat 15, the mandrel 16 is in threaded connection with a pressing plate 17, one end of the mandrel 16 is connected with a coil spring 18, a flexible anti-sticking tape 12 is fixedly installed between the mandrel 16 and the pressing plate 17, and the flexible anti-sticking tape 12 is tensioned or reset along with the reciprocating motion of a jacking mechanism 21;
as can be seen from the above description, the supporting seat 8 can reciprocate on the bottom plate 6 through the lead screw, when the cell carrier needs to be placed on the base 19, the clamping cylinder 10 operates to withdraw the movable assembly 11, the cell carrier can be separated from the movable assembly 11, when the cell carrier needs to be clamped, the clamping cylinder 10 operates to extend the movable assembly 11 and abut against the movable assembly 11, and the cell carrier can move together with the movable assembly 11; the flexible anti-sticking belt 12 is fixed between a mandrel 16 and a pressure plate 17, two ends of the mandrel 16 penetrate through a bearing seat 15, and one end of the mandrel is provided with a coil spring 18, and the coil spring 18 can pull the flexible anti-sticking belt 12 to enable the flexible anti-sticking belt 12 to be in a flat state; during operation, the torsion of the two sides of the battery cell carrier can be adjusted to be equal through the torsion of the scroll.
As a further scheme of the present invention, the blanking transfer mechanism 4 has the same structure as the feeding transfer mechanism 2. As can be seen from the above description, the blanking transfer mechanism 4 has the same structure as the loading transfer mechanism 2, and the functions are not described again.
As a further scheme of the present invention, as shown in fig. 5, the hot pressing mechanism 5 includes a hot pressing frame 23, a hot pressing machine 24 is installed on the upper side of the hot pressing frame 23, an upper heating plate assembly 25 is installed on the lower side of the top end of the hot pressing frame 23, a lower heating plate assembly 26 is installed on the bottom side of the hot pressing frame 23, and rotary clamping cylinders 22 are installed on two sides of the lower heating plate assembly 26. As can be seen from the above description, the lower heating plate assembly 26 is a whole plate, so as to ensure the precision, avoid two seams, and avoid the problem of difficult coating layer processing.
As a further scheme of the invention, a clamping jaw is mounted on the transfer mechanism 1, and the size of the clamping jaw is matched with that of the battery cell carrier. As can be seen from the above description, the clamping jaws are used to join the battery cell of the previous process and transfer the battery cell to the material transfer mechanism 2.
As a further development of the invention, the base plate 6 is connected to a conveyor chain 7. As a further aspect of the present invention, the clamping cylinder 10 is disposed between the connection assembly 9 and the cell carrier. As can be seen from the above description, the bottom plate 6 can reciprocate through the conveying chain 7, so that the charging and discharging mechanism 3 can sequentially transfer the battery cells from the charging transfer mechanism 2 to the hot-pressing mechanism 5 and the discharging transfer mechanism 4; the clamping cylinder 10 is located under the connecting assembly 9, has good stability, avoids shaking or dropping phenomenon after clamping the battery core, and has good practicability.
As a further proposal of the invention, a plurality of the hot pressing mechanisms 5 are arranged at equal intervals. As can be seen from the above description, the plurality of hot pressing mechanisms 5 arranged at equal intervals facilitate the feeding and transferring mechanism 2 to transfer the battery cells, and the practicability is good.
As a further aspect of the present invention, the carrier frame 14 is a hollow structure, and is covered with the flexible anti-sticking tape 12. As can be seen from the above description, when the carrier frame 14 with a hollow structure is placed on the base 19, the lifting mechanism can smoothly lift the flexible anti-sticking belt 12, and the practicability is good.
As a further scheme of the present invention, the transfer mechanism 1, the feeding transfer mechanism 2, the feeding and discharging mechanism 3, the hot press mechanism 5, and the discharging transfer mechanism 4 are electrically connected to a controller, respectively. As can be seen from the description, the transfer mechanism 1, the feeding transfer mechanism 2, the feeding and discharging mechanism 3, the hot-pressing mechanism 5 and the discharging transfer mechanism 4 respectively send electric signals to the controller, and the controller controls all parts to work according to programs, so that the use is convenient and efficient.
The battery cell hot-pressing charging and discharging device can be used for forming battery production equipment, and battery products can be produced by sequentially processing the battery cells through the transfer mechanism 1, the charging transfer mechanism 2, the charging and discharging mechanism 3, the hot-pressing mechanism 5 and the discharging transfer mechanism 4.
The working principle of the invention is as follows:
step one, a cell carrier is placed on a feeding transfer mechanism 2 by a feeding and discharging mechanism 3, a pressing cylinder 20 is rotated to lock the cell carrier, a jacking mechanism 21 jacks up a flexible anti-sticking belt 12, and a coil spring 18 tensions the flexible anti-sticking belt 12; as can be seen from the above description, after the flexible anti-sticking tape 12 is jacked up by the jacking mechanism 21, the coil spring 18 tightens the flexible anti-sticking tape 12, so that the flexible anti-sticking tape 12 is in a tightened state, and after a battery cell is placed on the flexible anti-sticking tape 12, the battery cell is inclined due to unevenness of the flexible anti-sticking tape 12, thereby affecting the processing precision of the hot pressing process;
secondly, the transfer mechanism 1 transfers the battery cell to the flexible anti-sticking belt 12 from the upstream through a claw clamp;
step three, the jacking mechanism 21 descends, the pressing cylinder 20 is rotated to release the battery cell carrier, and the coil spring 18 tensions the flexible anti-sticking belt 12; as can be seen from the above description, the jacking mechanism 21 descends, the battery core falls down along the trend, and the battery core can be lifted up again by the tensioning action of the coil spring 18 on the flexible anti-sticking tape 12, so as to support the battery core to be in a suspended state, thereby facilitating the transportation of the loading and unloading mechanism 3;
step four, the battery cell carrier is placed in the hot-pressing mechanism 5 by the feeding and discharging mechanism 3, and the hot-pressing process is completed after the battery cell carrier is locked by the rotary clamping cylinder 22; as can be seen from the above description, after the battery cell is placed on the lower heating plate assembly 26, the clamping cylinder 22 is rotated to lock the battery cell carrier, so as to prevent the battery cell carrier from sliding to cause deviation in hot pressing of the battery cell, which affects hot pressing precision;
and step five, the charging and discharging mechanism 3 transfers the battery cell carrier from the hot pressing mechanism 5 to the discharging transfer mechanism 4, so that the battery cell hot pressing charging and discharging process is completed. Known by the above description, unloading transfer mechanism 4 is the same with the 2 structures of material loading transfer mechanism, and after electric core carrier placed unloading transfer mechanism 4 on, rotatory pushing down subassembly 20 was used for pressing down electric core carrier the back and presss from both sides tightly, and the epilogue equipment presss from both sides electric core, and last unloading mechanism 3 presss from both sides electric core carrier and gets and shift to initial position to this reciprocating work.
The invention can meet the requirement of completing feeding and discharging under the condition of no grooving on the lower heating plate, and the lower heating plate can be processed by adopting the whole plate, thereby reducing the processing difficulty and cost.
Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are merely examples and that many variations or modifications may be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims.
Claims (10)
1. The utility model provides a unloader on electricity core hot pressing, includes base plate and electric core carrier, characterized by: a transfer mechanism (1), a loading transfer mechanism (2), a loading and unloading mechanism (3), a hot-pressing mechanism (5) and an unloading transfer mechanism (4) are sequentially arranged on the substrate according to the processing direction of the battery cell;
the feeding transfer mechanism (2) comprises a base (19), rotary pressing assemblies (20) are mounted on two sides of the base (19), and a jacking mechanism (21) is mounted in the middle of the base (19);
the feeding and discharging mechanism (3) comprises a supporting seat (8), the supporting seat (8) is movably connected with the bottom plate (6) through a lead screw, the supporting seat (8) is connected with a clamping cylinder (10) through a connecting assembly (9), and the clamping cylinder (10) is matched and connected with a fixing piece (13) on the electric core carrier through a movable assembly (11);
the electric core carrier comprises a carrier frame (14), the inner side of the carrier frame (14) is connected with a mandrel (16) through a bearing seat (15), the mandrel (16) is screwed with a pressing plate (17), one end of the mandrel (16) is connected with a coil spring (18), a flexible anti-sticking tape (12) is fixedly mounted between the mandrel (16) and the pressing plate (17), and the flexible anti-sticking tape (12) is tensioned or reset along with the reciprocating motion of a jacking mechanism (21).
2. The battery cell hot-pressing loading and unloading device according to claim 1, characterized in that: the blanking transfer mechanism (4) is the same as the feeding transfer mechanism (2) in structure.
3. The battery cell hot-pressing loading and unloading device according to claim 1, characterized in that: hot pressing mechanism (5) include hot pressing frame (23), hot press (24) are installed to hot pressing frame (23) upside, hot plate assembly (25) are installed to hot pressing frame (23) top downside, hot plate assembly (26) down are installed to hot pressing frame (23) bottom side, hot plate assembly (26) both sides are equipped with rotary clamping cylinder (22) down.
4. The battery cell hot-pressing charging and discharging device according to claim 1, characterized in that: and the transfer mechanism (1) is provided with a clamping jaw.
5. The battery cell hot-pressing loading and unloading device according to claim 1, characterized in that: and the clamping cylinder (10) is arranged between the connecting assembly (9) and the battery cell carrier.
6. The battery cell hot-pressing loading and unloading device according to claim 1, characterized in that: the hot pressing mechanisms (5) are provided with a plurality of hot pressing mechanisms which are arranged at equal intervals.
7. The battery cell hot-pressing loading and unloading device according to claim 1, characterized in that: the carrier frame (14) is of a hollow structure, and a flexible anti-sticking belt (12) covers the carrier frame.
8. The battery cell hot-pressing charging and discharging device according to claim 1, characterized in that: the transfer mechanism (1), the feeding transfer mechanism (2), the feeding and discharging mechanism (3), the hot pressing mechanism (5) and the discharging transfer mechanism (4) are electrically connected with the controller respectively.
9. A battery production device comprising a cell hot-pressing charging and discharging device as claimed in any one of claims 1 to 8.
10. A hot pressing method of a battery cell hot-pressing charging and discharging device is characterized in that: the method comprises the following specific steps:
placing the battery cell carrier with the surface provided with the flexible anti-sticking tape on the surface of a transfer mechanism, wherein the middle part of the transfer mechanism is provided with a jacking mechanism, and the flexible anti-sticking tape is tensioned along with the upward displacement of the jacking mechanism so as to smoothly transfer the battery cell to the contact surface of the flexible anti-sticking tape and the jacking mechanism;
and resetting the flexible anti-sticking belt through the downward displacement of the jacking mechanism so that the battery core enters the inside of the battery core carrier for subsequent hot pressing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211170342.9A CN115275368B (en) | 2022-09-26 | 2022-09-26 | Battery cell hot-pressing charging and discharging device, battery production equipment and hot-pressing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211170342.9A CN115275368B (en) | 2022-09-26 | 2022-09-26 | Battery cell hot-pressing charging and discharging device, battery production equipment and hot-pressing method thereof |
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| CN115275368A true CN115275368A (en) | 2022-11-01 |
| CN115275368B CN115275368B (en) | 2022-12-16 |
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