CN115425336B - Battery core packaging jig and battery core production line - Google Patents
Battery core packaging jig and battery core production line Download PDFInfo
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- CN115425336B CN115425336B CN202211291115.1A CN202211291115A CN115425336B CN 115425336 B CN115425336 B CN 115425336B CN 202211291115 A CN202211291115 A CN 202211291115A CN 115425336 B CN115425336 B CN 115425336B
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- driving device
- mounting surface
- battery cell
- conveying mechanism
- roller
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
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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
- H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
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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
Abstract
The invention discloses a battery cell packaging jig and a battery cell production line, and relates to the technical field of automation equipment. This electricity core packaging jig includes: the base is provided with a first mounting surface for fixing the electric core assembly; a turnover mechanism; the cover plate is rotationally connected to the base through the turnover mechanism; the first driving device is arranged on the cover plate; the pressing plate is connected to the first driving device and provided with a second mounting surface for fixing the packaging film; the turnover mechanism drives the cover plate to rotate to a first preset angle, so that the first mounting surface and the second mounting surface are parallel to each other and have a first preset distance; the first driving device drives the pressing plate to move along the direction perpendicular to the second mounting surface, so that the packaging film fixed on the second mounting surface is pressed on the electrode core assembly fixed on the first mounting surface. The battery cell packaging jig disclosed by the invention can solve the technical problem that the performance of a battery cell is adversely affected because the positive and negative electrode sheets of the battery cell are easily wrinkled or damaged in the conventional plastic packaging process.
Description
Technical Field
The invention belongs to the technical field of automation equipment, and particularly relates to a battery cell packaging jig and a battery cell production line.
Background
The battery cell needs to be subjected to a plastic packaging procedure in the production process so as to form a protection effect on the battery cell through packaging diaphragms such as aluminum plastic films.
However, for a soft package lithium battery, a battery core is formed by laminating positive and negative electrode sheets, which are sensitive to external interference, and the positive and negative electrode sheets are easily wrinkled or damaged due to contact between a packaging film and the battery core in the existing plastic packaging process, so that the performance of the battery core is adversely affected, and even the battery core may be damaged.
Disclosure of Invention
The invention aims to provide a battery cell packaging jig, and aims to solve the technical problem that the performance of a battery cell is adversely affected because positive and negative electrode sheets of the battery cell are easily wrinkled or damaged in the conventional plastic packaging process.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a battery cell packaging jig, battery cell packaging jig includes:
the base is provided with a first mounting surface, and the first mounting surface is used for fixing the electric core assembly;
a turnover mechanism;
the cover plate is rotatably connected to the base through the turnover mechanism;
the first driving device is arranged on the cover plate;
the pressing plate is connected to the first driving device and provided with a second mounting surface used for fixing the packaging film;
the turnover mechanism is used for driving the cover plate to rotate to a first preset angle;
when the cover plate is positioned at the first preset angle, the first mounting surface and the second mounting surface are parallel to each other and have a first preset distance; the first driving device is used for driving the pressing plate to move along the direction perpendicular to the second mounting surface, so that the packaging film fixed on the second mounting surface is pressed on the electric core assembly fixed on the first mounting surface.
Furthermore, the cross section of the pressing plate is rectangular, guide parts are arranged at four corners of the pressing plate, the cover plate is provided with a plurality of matching parts, and the guide parts are in one-to-one sliding fit with the matching parts; one of the guide part and the matching part is a guide rod, and the other one is a guide hole;
the first driving device is a first air cylinder, a cylinder body part of the first air cylinder is arranged on the cover plate, a piston part of the first air cylinder is connected to the pressing plate, and the straight line distance from the connecting point of the piston part of the first air cylinder and the pressing plate to each guide part is equal.
Correspondingly, the invention also provides a battery cell production line, which comprises a first conveying mechanism and the battery cell packaging jig; wherein:
the base is connected to the first conveying mechanism, and the first conveying mechanism is used for driving the base to move along a transfer path.
Further, the first conveying mechanism comprises a first guide rail, a linear conveying device, a second driving device and a first shifting fork; wherein:
the second driving device is connected to the linear conveying device, and the first shifting fork is connected to the second driving device; the battery cell packaging jig comprises a plurality of battery cell packaging jigs, the bases of the battery cell packaging jigs are connected to the first guide rail in a sliding manner, and the base of each battery cell packaging jig is provided with a butt joint block;
the linear conveying device is used for driving the second driving device to move along the transferring path, and the second driving device is used for driving the first shifting fork to ascend so that the first shifting fork is clamped on the corresponding butt joint block, and the corresponding base is driven to move along the transferring path.
Further, the battery cell production line further comprises a third driving device and an air supply device, and the battery cell packaging jig further comprises an air supply block; the air supply end of the air supply device is arranged on the third driving device, and the third driving device is used for driving the air supply end to descend so as to enable the air supply end to be in butt joint with the air supply block;
a first negative pressure channel is arranged in the base, one end of the first negative pressure channel is communicated with the first mounting surface, and the other end of the first negative pressure channel is communicated with the gas supply block; the air supply end is used for providing negative pressure for the electric core assembly placed on the first mounting surface through the air supply block.
Furthermore, a second negative pressure channel is arranged inside the pressing plate, one end of the second negative pressure channel is communicated with the second mounting surface, and the other end of the second negative pressure channel is communicated with the air supply block; the air supply end is used for providing negative pressure for the packaging film placed on the second mounting surface through the air supply block.
Further, the cell production line further comprises a fourth driving device and an actuating assembly, and the turnover mechanism comprises a transmission rack and a transmission gear; wherein:
the fourth driving device is connected with the actuating assembly; the transmission rack is provided with a follow-up boss; the transmission gear is fixed on the cover plate and meshed with the transmission rack;
the fourth driving device is used for driving the actuating assembly to abut against the follow-up boss so as to drive the transmission rack to move along the first path, and therefore the cover plate is driven to rotate to the first preset angle through the matching of the gear and the rack.
Further, the battery cell production line further comprises a fifth driving device, and the battery cell packaging jig further comprises a self-locking assembly; the base is provided with a first matching part and a second matching part at intervals along the first path, the self-locking assembly is connected to the transmission rack in a sliding mode along a second path, the second path is perpendicular to the first path, the self-locking assembly is provided with a connecting part, and the connecting part is used for being clamped with the first matching part or the second matching part; the fifth driving device is used for pushing the self-locking assembly to slide along a direction far away from the base so as to enable the connecting part to be separated from the first matching part or the second matching part along the second path;
the connecting part is a convex part, and the first matching part and the second matching part are concave parts; or, the connecting part is a concave part, and the first matching part and the second matching part are convex parts.
Further, the actuating assembly comprises a first roller and a second roller which are arranged along the first path at intervals, and the follow-up boss is used for being clamped between the first roller and the second roller.
Further, the cell production line further comprises a second conveying mechanism, a first lifting mechanism and a second lifting mechanism; wherein:
the second conveying mechanism is arranged below the first conveying mechanism, the first lifting mechanism is connected with the output end of the first conveying mechanism and the input end of the second conveying mechanism, and the second lifting mechanism is connected with the output end of the second conveying mechanism and the input end of the first conveying mechanism;
the first lifting mechanism is used for driving the battery cell packaging jig positioned at the output end of the first conveying mechanism to descend so as to convey the battery cell packaging jig to the input end of the second conveying mechanism; the second lifting mechanism is used for driving the battery cell packaging jig located at the output end of the second conveying mechanism to ascend so as to convey the battery cell packaging jig to the input end of the first conveying mechanism.
Furthermore, the first lifting mechanism comprises a first lifting driving device and a second shifting fork, and the base is provided with a third roller; the first lifting driving device is used for lifting between the output end of the first conveying mechanism and the input end of the second conveying mechanism; the second shifting fork is connected to the first lifting driving device and provided with a first fork tooth and a second fork tooth which are arranged at intervals along a first horizontal direction, the shortest straight line distance between the first fork tooth and the second fork tooth is smaller than the diameter of the third roller, the central shaft of the third roller is arranged horizontally and is perpendicular to the first horizontal direction, and the third roller is used for being erected between the first fork tooth and the second fork tooth.
Furthermore, the second lifting mechanism comprises a second lifting driving device and a third shifting fork, and the base is provided with a fourth roller; the second lifting driving device is used for lifting between the output end of the second conveying mechanism and the input end of the first conveying mechanism; the third shifting fork is connected to the second lifting driving device and provided with a third fork tooth and a fourth fork tooth which are arranged at intervals along a second horizontal direction, the shortest straight line distance between the third fork tooth and the fourth fork tooth is smaller than the diameter of the fourth roller, the central shaft of the fourth roller is arranged horizontally and is perpendicular to the second horizontal direction, and the fourth roller is used for being erected between the third fork tooth and the fourth fork tooth.
Compared with the prior art, the invention has the beneficial effects that:
after the battery core assembly is fixed on the first mounting surface of the base and the packaging diaphragm is fixed on the second mounting surface of the pressing plate, the cover plate is driven by the turnover mechanism to rotate to a first preset angle relative to the base, so that the first mounting surface and the second mounting surface are parallel to each other and have a first preset distance; and then the first driving device drives the pressing plate to move linearly, and on the premise of ensuring that the first mounting surface and the second mounting surface are always parallel, the electrode core assembly on the first mounting surface and the packaging membrane on the second mounting surface are mutually attached in a surface contact mode, so that the problem that the packaging membrane and the electrode core assembly generate point contact or line contact because a certain part of the packaging membrane firstly reaches the surface of the electrode core assembly in the pressing process is effectively avoided, and the problem that positive and negative electrode sheets of the electrode core assembly generate wrinkles or damages because of uneven stress everywhere, the completeness of the electrode core assembly in the plastic packaging process is improved, and the production quality of the electrode core assembly is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic view of a first structure of a cell packaging jig according to an embodiment of the invention;
fig. 2 is a schematic diagram of a second structure of a cell packaging jig according to an embodiment of the invention;
fig. 3 is a schematic diagram of a third structure of an embodiment of a cell packaging jig of the invention;
fig. 4 is a schematic diagram of a fourth structure of an embodiment of a cell packaging jig of the invention;
fig. 5 is a schematic diagram of a fifth structure of an embodiment of a cell packaging jig according to the invention;
fig. 6 is a schematic partial structure diagram of a cell production line according to an embodiment of the present invention;
fig. 7 is a schematic view of an overall structure of an embodiment of a cell production line according to the present invention.
The reference numbers indicate:
| reference numerals | Name(s) | Reference numerals | Name (R) |
| 1 | |
103 | |
| 2 | |
104 | The |
| 3 | |
105 | |
| 4 | |
106 | |
| 5 | |
201 | |
| 6 | Self- |
202 | |
| 7 | |
501 | |
| 8 | |
502 | |
| 9 | |
601 | Connecting |
| 10 | |
901 | Linear conveying device |
| 11 | |
902 | |
| 12 | |
903 | |
| 13 | |
904 | |
| 14 | |
1001 | |
| 101 | First fitting |
1301 | First |
| 102 | Second fitting |
1302 | Second shifting fork |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if the present invention relates to directional indications (such as up, down, left, right, front, back, 8230; \8230;), the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if the expression "and/or" and/or "is used throughout, the meaning includes three parallel schemes, for example," A and/or B ", including scheme A, or scheme B, or a scheme satisfying both schemes A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1 to 5, an embodiment of the invention provides a battery cell packaging jig, including:
a base 1 having a first mounting surface 106, the first mounting surface 106 being used for fixing the electric core assembly 8;
a turnover mechanism 2;
the cover plate 3 is rotatably connected to the base 1 through the turnover mechanism 2;
the first driving device 4 is arranged on the cover plate 3;
the pressing plate 5 is connected to the first driving device 4, the pressing plate 5 is provided with a second mounting surface 502, and the second mounting surface 502 is used for fixing the packaging film;
the turnover mechanism 2 is used for driving the cover plate 3 to rotate to a first preset angle;
when the cover plate 3 is at the first preset angle, the first mounting surface 106 and the second mounting surface 502 are parallel to each other and have a first preset distance; the first driving device 4 is used for driving the pressing plate 5 to move along the direction perpendicular to the second mounting surface 502, so that the packaging film fixed on the second mounting surface 502 is pressed on the electric core assembly 8 fixed on the first mounting surface 106.
In this embodiment, the base 1 may be provided with a cavity adapted to an outer contour of the electric core assembly 8, so as to accommodate the electric core assembly 8 therein, the first mounting surface 106 may be a surface for being attached to the electric core assembly 8 in the cavity, and the first mounting surface 106 may be provided with a corresponding fastening structure for clamping and fixing the electric core assembly 8, or fix the electric core assembly 8 by a pneumatic suction manner, which is not limited herein. Similarly, the pressing plate 5 may be provided with a cavity adapted to an outer contour of the packaging film (specifically, an aluminum-plastic film) to accommodate the packaging film therein, the second mounting surface 502 may be a surface for being attached to the packaging film in the cavity, and the second mounting surface 502 may be provided with a corresponding fastening structure to clamp and fix the packaging film, or fix the packaging film by a pneumatic suction manner, which is not limited herein.
The turnover mechanism 2 includes, but is not limited to, a stepping motor, a rotary cylinder, and a device for converting a linear motion into a rotary motion by a corresponding mechanism. The first driving device 4 includes, but is not limited to, an air cylinder, a lead screw motor and a corresponding guiding mechanism.
Research and tests show that the main reason for wrinkling or damage of the positive and negative electrode sheets of the electrode assembly 8 is that in the process of covering the packaging membrane on the surface of the electrode assembly 8 in the common plastic packaging process, point contact or line contact can be generated between the packaging membrane and the electrode assembly 8, and the point contact or line contact can cause the local positions of the positive and negative electrode sheets to be subjected to large external force, so that wrinkling or damage is generated due to uneven stress at each position. Based on this discovery, the present embodiment correspondingly proposes the above-mentioned cell packaging jig capable of avoiding point contact or line contact between the cell assembly 8 and the packaging film. Specifically, in the practical application process, the first driving device 4 is in a contracted state in the initial state, and the cover plate 3 is in an opened state as shown in fig. 2 in the initial state, after the electric core assembly 8 and the packaging membrane are fixed, the cover plate 3 is driven by the turnover mechanism 2 to rotate to a first preset angle relative to the base 1, so that the first mounting surface 106 and the second mounting surface 502 are parallel to each other and have a first preset distance; and then the first driving device 4 drives the pressing plate 5 to move linearly, on the premise of ensuring that the first mounting surface 106 and the second mounting surface 502 are always parallel, the electrode core assembly 8 on the first mounting surface 106 and the packaging film on the second mounting surface 502 are mutually attached in a surface contact mode, namely, a closed state shown in fig. 1 is formed, so that the problem that the packaging film and the electrode core assembly 8 generate point contact or line contact due to the fact that a certain part of the packaging film firstly reaches the surface of the electrode core assembly 8 in the pressing process is effectively avoided, and the problem that positive and negative electrode sheets of the electrode core assembly 8 generate wrinkles or damage due to uneven stress everywhere is further solved, the completeness of the electrode core assembly 8 in the plastic packaging process is improved, and the production quality of the electrode core assembly 8 is improved.
Optionally, referring to fig. 1 to 5, the cross section of the pressing plate 5 is rectangular, the four corners of the pressing plate 5 are provided with guiding portions 501, the cover plate 3 is provided with a plurality of matching portions, and the guiding portions 501 are in one-to-one sliding fit with the matching portions; one of the guide part 501 and the matching part is a guide rod, and the other is a guide hole;
the first driving device 4 is a first air cylinder, a cylinder body portion of the first air cylinder is disposed on the cover plate 3, a piston portion of the first air cylinder is connected to the pressing plate 5, and a linear distance from a connection point of the piston portion of the first air cylinder and the pressing plate 5 to each guide portion 501 is equal.
Through the sliding fit of guide arm and guiding hole, can play direction limiting displacement to clamp plate 5, improve the synchronism on the clamp plate 5 four corners pressfitting base 1 to the in-process that 5 removal at first cylinder drive clamp plate makes the depth of parallelism between packing diaphragm and the electric core subassembly 8 satisfy throughout and predetermine the depth of parallelism requirement, guarantees to be face contact between packing diaphragm and the electric core subassembly 8.
The first cylinder can be specifically arranged at the intersection point of two cross connecting lines connecting the four guide parts 501, so that the force application uniformity of the first cylinder at the four corners of the pressing plate 5 in the driving process can be ensured, the phenomenon of clamping between a certain guide part 501 and the corresponding matching part is avoided, and the moving smoothness of the pressing plate 5 is improved.
Correspondingly, referring to fig. 1 to 7, an embodiment of the present invention further provides a battery cell production line, where the battery cell production line includes a first conveying mechanism 9 and the battery cell packaging jig in any one of the embodiments; wherein:
the base 1 is connected to a first conveying mechanism 9, and the first conveying mechanism 9 is used for driving the base 1 to move along the transfer path.
The first conveying mechanism 9 of this embodiment can convey the electric core packaging jig to move between a plurality of stations on the transfer path, so that each station can perform corresponding processes such as encapsulation on the packaging diaphragm and the electric core assembly 8 in the electric core packaging jig, and thus, the flow-type mass production of electric cores is realized.
With regard to the specific structure of the cell packaging jig, reference may be made to the above-mentioned embodiments. Since the battery cell production line adopts all the technical solutions of all the embodiments, at least all the beneficial effects brought by the technical solutions of the embodiments are achieved, and details are not repeated herein.
Alternatively, referring to fig. 1 to 7, the first transfer mechanism 9 includes a first rail 904, a linear transporter 901, a second driver 902, and a first fork 903; wherein:
the second driving device 902 is connected to the linear conveying device 901, and the first fork 903 is connected to the second driving device 902; the battery cell packaging jig comprises a plurality of battery cell packaging jigs, wherein bases 1 of the battery cell packaging jigs are connected to the first guide rail 904 in a sliding manner, and the base 1 of each battery cell packaging jig is provided with a butt joint block 105;
the linear conveying device 901 is used for driving the second driving device 902 to move along the transfer path, and the second driving device 902 is used for driving the first shifting fork 903 to ascend, so that the first shifting fork 903 is clamped on the corresponding butt joint block 105, and the corresponding base 1 is driven to move along the transfer path.
In this embodiment, can drive each electric core packaging tool on the first guide rail 904 separately through linear conveying device 901 for the operation of shifting to a plurality of electric core packaging tools is more nimble, can satisfy the chronogenesis requirement that electric core packaging tool removed between each station better. And through the cooperation of dismantling of first shift fork 903 and butt joint piece 105 (when need not drive current electric core packaging tool, accessible second drive arrangement 902 drive first shift fork 903 descends to make first shift fork 903 follow corresponding butt joint piece 105 and go up the separation), can be more convenient for sharp conveyor 901 and the present electric core packaging tool that needs the drive dock and with the electric core packaging tool that the drive finishes separate, realize power transmission path's quick joint and cut off.
Optionally, referring to fig. 1 to 7, the cell production line further includes a third driving device 11 and a gas supply device 10, and the cell packaging jig further includes a gas supply block 7; the gas supply end 1001 of the gas supply device 10 is arranged on the third driving device 11, and the third driving device 11 is used for driving the gas supply end 1001 to descend so that the gas supply end 1001 is butted with the gas supply block 7;
a first negative pressure channel is arranged in the base 1, one end of the first negative pressure channel is communicated with the first mounting surface 106, and the other end of the first negative pressure channel is communicated with the air supply block 7; the air supply terminal 1001 is used for providing negative pressure for the cell assembly 8 placed on the first mounting surface 106 through the air supply block 7.
Optionally, referring to fig. 1 to 7, a second negative pressure channel is arranged inside the pressure plate 5, one end of the second negative pressure channel is communicated with the second mounting surface 502, and the other end of the second negative pressure channel is communicated with the air supply block 7; the gas supply end 1001 is used for providing negative pressure for the packaging film placed on the second mounting surface 502 through the gas supply block 7.
The air supply device 10 may be disposed at a certain station on the transfer path, the air supply device 10 may include an air tank, a valve, a pump body, a pipeline, and other devices, and the air supply block 7 and the air supply end 1001 may include corresponding pipe joint assemblies (specifically, a male plug and a female plug) for quick docking. Through air feeder 10 through first negative pressure passageway, second negative pressure passageway respectively to electric core subassembly 8, packaging film piece provide the negative pressure, can be fixed in electric core subassembly 8, packaging film piece respectively conveniently on first installation face 106, second installation face 502, the follow-up separation of also being convenient for, and need not to set up complicated, probably cause surface damage's centre gripping device to electric core subassembly 8 or packaging film piece.
Optionally, referring to fig. 1 to fig. 7, the battery cell production line further includes a fourth driving device and an actuating assembly, and the turnover mechanism 2 includes a transmission rack 201 and a transmission gear 202; wherein:
the fourth driving device is connected with the actuating assembly; the transmission rack 201 is provided with a follow-up boss; the transmission gear 202 is fixed on the cover plate 3, and the transmission gear 202 is meshed with the transmission rack 201;
the fourth driving device is used for driving the actuating assembly to abut against the follow-up boss so as to drive the transmission rack 201 to move along the first path, and thus the cover plate 3 is driven to rotate to a first preset angle through the matching of the gear and the rack.
The cover plate 3 is driven to rotate in a gear and rack transmission mode, so that the novel gear and rack transmission mechanism has the advantages of being strong in bearing capacity, high in transmission precision, long in service life, stable in transmission and the like, and the driving reliability can be improved. The transmission rack 201 is slidably connected to the upper surface of the base 1, and a clearance groove can be opened on the base 1 to allow the downward extending following boss to pass through, so that the following boss can be abutted against the actuating component below the base 1, and the cover plate 3 is driven by the fourth driving device to open or close relative to the base 1. The actuating assembly may include any component that can cooperate with the follower boss to drive the follower boss to move, which is not limited herein.
Preferably, the clearance groove formed in the base 1 may be disposed corresponding to a predetermined range of travel of the transmission rack 201 (i.e., a predetermined range of rotation angle of the cover plate 3), so that when the cover plate 3 rotates to a first predetermined angle or a predetermined opening angle, the follower bosses may abut against the two opposite side walls of the clearance groove to stop moving, thereby forming a forced limiting effect on the cover plate 3 and eliminating a driving error of the fourth driving device.
Optionally, referring to fig. 1 to 7, the actuating assembly includes a first roller and a second roller spaced apart along the first path, and the follower projection is configured to be clamped between the first roller and the second roller.
When the first roller and/or the second roller is driven by the fourth driving device to move to contact with the follower boss, the follower boss can be guided to smoothly enter between the first roller and the second roller through the rotation of the roller, so that the first roller and/or the second roller can drive the transmission rack 201 to move along the first path by pushing the follower boss. Through the arrangement, the position deviation of the follow-up boss and the actuating assembly during butt joint can be eliminated, and the problems that when the follow-up boss and the actuating assembly are in rigid contact, devices collide and corresponding devices are damaged in the butt joint process due to the position deviation are avoided.
Optionally, referring to fig. 1 to 7, the cell production line further includes a fifth driving device, and the cell packaging jig further includes a self-locking assembly 6; the base 1 is provided with a first matching part 101 and a second matching part 102 at intervals along a first path, the self-locking assembly 6 is connected to the transmission rack 201 in a sliding mode along a second path, the second path is perpendicular to the first path, the self-locking assembly 6 is provided with a connecting part 601, and the connecting part 601 is used for being clamped with the first matching part 101 or the second matching part 102; the fifth driving device is used for pushing the self-locking assembly 6 to slide along a direction away from the base 1, so that the connecting part 601 is separated from the first matching part 101 or the second matching part 102 along the second path;
the connecting portion 601 is a convex portion, and the first matching portion 101 and the second matching portion 102 are concave portions; alternatively, the connecting portion 601 is a concave portion, and the first and second engagement portions 101 and 102 are convex portions.
Illustratively, two self-locking blocks can be arranged on the base 1 at intervals in a threaded connection mode, the first matching portion 101 and the second matching portion 102 are recessed portions respectively arranged on the two self-locking blocks, and the center distance between the first matching portion 101 and the second matching portion 102 can be set to be equal to the moving stroke of the follow-up boss. The self-locking assembly 6 may be a guide shaft and an elastic member shown in the figure, and the guide shaft may be connected to the driving rack 201 in a sliding manner along the second path in a direct connection or indirect connection manner, and may move along the first path along with the driving rack 201; the elastic member may be disposed between the guide shaft and the component for slidably connecting the guide shaft, so as to provide an elastic force along the second path direction and toward the first and second matching portions 101 and 102 to the guide shaft, so that the connecting portion 601 at one end of the guide shaft may be pressed against the first or second matching portion 101 or 102 without any other external force.
When the cover plate 3 rotates to a first preset angle, the connecting part 601 of the self-locking assembly 6 is correspondingly clamped in the first matching part 101; when the cover plate 3 rotates to a preset opening angle, the connecting portion 601 of the self-locking assembly 6 is correspondingly clamped in the second matching portion 102. So can form the self-locking action after the drive rack 201 moves to target in place, avoid drive rack 201, drive gear 202, apron 3 to take place autonomous movement because of equipment vibration under the circumstances that fourth drive arrangement self-locking is not enough, improve the stationarity and the reliability of equipment.
When the opening and closing state of the cover plate 3 needs to be switched, the self-locking function can be released and the transmission rack 201 can be driven to move by the fourth driving device only by pushing the self-locking assembly 6 to separate from the first matching part 101 or the second matching part 102 through the fifth driving device.
Optionally, referring to fig. 1 to 7, the cell production line further includes a second conveying mechanism 12, a first lifting mechanism 13, and a second lifting mechanism 14; wherein:
the second conveying mechanism 12 is arranged below the first conveying mechanism 9, the first lifting mechanism 13 is connected with the output end of the first conveying mechanism 9 and the input end of the second conveying mechanism 12, and the second lifting mechanism 14 is connected with the output end of the second conveying mechanism 12 and the input end of the first conveying mechanism 9;
the first lifting mechanism 13 is used for driving the battery cell packaging jig at the output end of the first conveying mechanism 9 to descend so as to convey the battery cell packaging jig to the input end of the second conveying mechanism 12; the second lifting mechanism 14 is configured to drive the battery cell packaging jig located at the output end of the second conveying mechanism 12 to ascend, so as to convey the battery cell packaging jig to the input end of the first conveying mechanism 9.
Illustratively, by providing two conveying mechanisms and corresponding lifting mechanisms, the empty cell packaging jig which has completed all the processes along the transfer path on the first conveying mechanism 9 and in which the cell assembly 8 has been unloaded can be transferred through the second conveying mechanism 12 in sequence, so that the empty cell packaging jig returns to the input end of the first conveying mechanism 9 for loading and again performs the processes along the transfer path, thereby realizing the circular flow and use of the cell packaging jig.
Alternatively, referring to fig. 1 to 7, the first lifting mechanism 13 includes a first lifting driving device 1301 and a second fork 1302, and the base 1 is provided with a third roller 103; the first lifting driving device 1301 is used for performing lifting movement between the output end of the first conveying mechanism 9 and the input end of the second conveying mechanism 12; the second fork 1302 is connected to the first lifting driving device 1301, the second fork 1302 has a first fork tooth and a second fork tooth which are arranged at intervals along a first horizontal direction, the shortest straight distance between the first fork tooth and the second fork tooth is smaller than the diameter of the third roller 103, the central axis of the third roller 103 is arranged horizontally and perpendicular to the first horizontal direction, and the third roller 103 is used for being erected between the first fork tooth and the second fork tooth.
Alternatively, referring to fig. 1 to 7, the second lifting mechanism 14 includes a second lifting driving device and a third fork, and the base 1 is provided with a fourth roller 104; the second lifting driving device is used for carrying out lifting movement between the output end of the second conveying mechanism 12 and the input end of the first conveying mechanism 9; the third fork is connected to the second lifting driving device, the third fork has a third fork tooth and a fourth fork tooth which are arranged at intervals along the second horizontal direction, the shortest straight distance between the third fork tooth and the fourth fork tooth is smaller than the diameter of the fourth roller 104, the central shaft of the fourth roller 104 is arranged horizontally and is vertical to the second horizontal direction, and the fourth roller 104 is used for being erected between the third fork tooth and the fourth fork tooth.
Illustratively, when the third roller 103 moves to contact with the second fork 1302, the third roller 103 can smoothly enter between the first fork tooth and the second fork tooth through rotation of the third roller 103 to be clamped with the second fork tooth 1302, so that the first lifting device can subsequently drive the corresponding battery cell packaging jig to descend to the input end of the second conveying mechanism 12 through cooperation between the second fork tooth 1302 and the third roller 103. Similarly, when the fourth roller 104 moves to contact with the third fork, the fourth roller 104 can smoothly enter between the third fork and the fourth fork through rotation of the fourth roller 104 to be clamped with the third fork, so that the second lifting device can drive the corresponding battery cell packaging jig to ascend to the input end of the first transmission mechanism 9 through cooperation between the third fork and the fourth roller 104.
Through the arrangement, the quick connection between the battery cell packaging jig and the first lifting mechanism 13 and the second lifting mechanism 14 can be realized, the position deviation of the base 1 in butt joint with the first lifting mechanism 13 and the second lifting mechanism 14 can be eliminated, and the problems that when the base 1 is in rigid contact with the first lifting mechanism 13 and the second lifting mechanism 14, devices collide in the butt joint process due to the position deviation and the corresponding devices are damaged are avoided.
It should be noted that other contents of the cell packaging jig and the cell production line disclosed in the present invention may refer to the prior art, and are not described herein again.
The present invention is not limited to the above embodiments, and all equivalent structural changes made by using the contents of the specification and the drawings or other related technical fields are included in the scope of the present invention.
Claims (6)
1. A battery cell production line is characterized by comprising a first conveying mechanism and a battery cell packaging jig; wherein:
electric core packing tool includes: the base is provided with a first mounting surface, and the first mounting surface is used for fixing the electric core assembly; a turnover mechanism; the cover plate is rotatably connected to the base through the turnover mechanism; the first driving device is arranged on the cover plate; the pressing plate is connected to the first driving device and provided with a second mounting surface used for fixing the packaging film;
the turnover mechanism is used for driving the cover plate to rotate to a first preset angle;
when the cover plate is positioned at the first preset angle, the first mounting surface and the second mounting surface are parallel to each other and have a first preset distance; the first driving device is used for driving the pressing plate to move along a direction perpendicular to the second mounting surface so that the packaging film fixed on the second mounting surface is pressed on the electric core assembly fixed on the first mounting surface;
the cross section of the pressing plate is rectangular, guide parts are arranged at four corners of the pressing plate, the cover plate is provided with a plurality of matching parts, and the guide parts are in one-to-one corresponding sliding fit with the matching parts; one of the guide part and the matching part is a guide rod, and the other one is a guide hole;
the first driving device is a first air cylinder, a cylinder body part of the first air cylinder is arranged on the cover plate, a piston part of the first air cylinder is connected to the pressing plate, and the straight line distances from the connecting point of the piston part of the first air cylinder and the pressing plate to each guide part are equal;
the base is connected to the first conveying mechanism, and the first conveying mechanism is used for driving the base to move along a transfer path;
the cell production line further comprises a fourth driving device and an actuating assembly, and the turnover mechanism comprises a transmission rack and a transmission gear; wherein:
the fourth driving device is connected with the actuating assembly; the transmission rack is provided with a follow-up boss; the transmission gear is fixed on the cover plate and meshed with the transmission rack;
the fourth driving device is used for driving the actuating assembly to abut against the follow-up boss so as to drive the transmission rack to move along a first path, and therefore the cover plate is driven to rotate to the first preset angle through the matching of a gear and a rack;
the battery cell production line further comprises a fifth driving device, and the battery cell packaging jig further comprises a self-locking assembly; the base is provided with a first matching part and a second matching part at intervals along the first path, the self-locking assembly is connected to the transmission rack in a sliding mode along a second path, the second path is perpendicular to the first path, the self-locking assembly is provided with a connecting part, and the connecting part is used for being clamped with the first matching part or the second matching part; the fifth driving device is used for pushing the self-locking assembly to slide along a direction far away from the base so as to enable the connecting part to be separated from the first matching part or the second matching part along the second path;
the connecting part is a convex part, and the first matching part and the second matching part are concave parts; or, the connecting part is a concave part, and the first matching part and the second matching part are convex parts.
2. The cell production line of claim 1, wherein the first conveying mechanism comprises a first guide rail, a linear conveying device, a second driving device and a first shifting fork; wherein:
the second driving device is connected to the linear conveying device, and the first shifting fork is connected to the second driving device; the battery cell packaging jig comprises a plurality of battery cell packaging jigs, the bases of the battery cell packaging jigs are connected to the first guide rail in a sliding mode, and the base of each battery cell packaging jig is provided with a butt joint block;
the linear conveying device is used for driving the second driving device to move along the transferring path, and the second driving device is used for driving the first shifting fork to ascend so that the first shifting fork is clamped on the corresponding butt joint block, and the corresponding base is driven to move along the transferring path.
3. The cell production line of claim 2, further comprising a third driving device and a gas supply device, wherein the cell packaging jig further comprises a gas supply block; the air supply end of the air supply device is arranged on the third driving device, and the third driving device is used for driving the air supply end to descend so as to enable the air supply end to be in butt joint with the air supply block;
a first negative pressure channel is arranged in the base, one end of the first negative pressure channel is communicated with the first mounting surface, and the other end of the first negative pressure channel is communicated with the gas supply block; the air supply end is used for providing negative pressure for the cell assembly placed on the first mounting surface through the air supply block;
and/or a second negative pressure channel is arranged in the pressure plate, one end of the second negative pressure channel is communicated with the second mounting surface, and the other end of the second negative pressure channel is communicated with the air supply block; the air supply end is used for providing negative pressure for the packaging film placed on the second mounting surface through the air supply block.
4. The cell production line of claim 1, wherein the actuating assembly comprises a first roller and a second roller spaced apart along the first path, and the follower projection is configured to snap between the first roller and the second roller.
5. The cell production line of claim 1, further comprising a second transport mechanism, a first lifting mechanism, and a second lifting mechanism; wherein:
the second conveying mechanism is arranged below the first conveying mechanism, the first lifting mechanism is connected with the output end of the first conveying mechanism and the input end of the second conveying mechanism, and the second lifting mechanism is connected with the output end of the second conveying mechanism and the input end of the first conveying mechanism;
the first lifting mechanism is used for driving the battery cell packaging jig positioned at the output end of the first conveying mechanism to descend so as to convey the battery cell packaging jig to the input end of the second conveying mechanism; the second lifting mechanism is used for driving the battery cell packaging jig located at the output end of the second conveying mechanism to ascend so as to convey the battery cell packaging jig to the input end of the first conveying mechanism.
6. The cell production line of claim 5, wherein the first lifting mechanism comprises a first lifting driving device and a second shifting fork, and the base is provided with a third roller; the first lifting driving device is used for lifting between the output end of the first conveying mechanism and the input end of the second conveying mechanism; the second fork is connected to the first lifting driving device, the second fork is provided with a first fork tooth and a second fork tooth which are arranged at intervals along a first horizontal direction, the shortest straight-line distance between the first fork tooth and the second fork tooth is smaller than the diameter of the third roller, the central shaft of the third roller is arranged horizontally and is vertical to the first horizontal direction, and the third roller is used for erecting between the first fork tooth and the second fork tooth;
and/or the second lifting mechanism comprises a second lifting driving device and a third shifting fork, and the base is provided with a fourth roller; the second lifting driving device is used for performing lifting motion between the output end of the second conveying mechanism and the input end of the first conveying mechanism; the third shifting fork is connected to the second lifting driving device, the third shifting fork is provided with a third fork tooth and a fourth fork tooth which are arranged at intervals along a second horizontal direction, the shortest straight-line distance between the third fork tooth and the fourth fork tooth is smaller than the diameter of the fourth roller, the central shaft of the fourth roller is arranged horizontally and is perpendicular to the second horizontal direction, and the fourth roller is used for being erected between the third fork tooth and the fourth fork tooth.
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| CN202211291115.1A CN115425336B (en) | 2022-10-21 | 2022-10-21 | Battery core packaging jig and battery core production line |
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| CN202211291115.1A CN115425336B (en) | 2022-10-21 | 2022-10-21 | Battery core packaging jig and battery core production line |
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| CN115425336B true CN115425336B (en) | 2023-01-31 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203386851U (en) * | 2013-06-15 | 2014-01-08 | 东莞市鸿宝锂电科技有限公司 | Turnover clamp mechanism |
| CN211062803U (en) * | 2019-12-23 | 2020-07-21 | 广东利元亨智能装备股份有限公司 | Battery cell packaging equipment |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203941984U (en) * | 2014-06-13 | 2014-11-12 | 山东爱通工业机器人科技有限公司 | A kind of power soft package lithium battery encapsulation automatic production line |
| CN107834093A (en) * | 2017-10-11 | 2018-03-23 | 深圳市誉辰自动化设备有限公司 | Battery core film sticking apparatus |
| CN108400368B (en) * | 2018-01-25 | 2024-03-19 | 苏州三屹晨光自动化科技有限公司 | Battery packaging film pushing, rolling and top sealing mechanism |
| CN112025128A (en) * | 2020-09-25 | 2020-12-04 | 无锡奥特维智能装备有限公司 | Electricity core welding production line |
| CN216311855U (en) * | 2021-09-29 | 2022-04-15 | 广东利元亨智能装备股份有限公司 | Laminate polymer battery encapsulation upset anchor clamps and encapsulation equipment |
| CN216750013U (en) * | 2021-11-17 | 2022-06-14 | 惠州锂威新能源科技有限公司 | Packaging film packaging control device of battery |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203386851U (en) * | 2013-06-15 | 2014-01-08 | 东莞市鸿宝锂电科技有限公司 | Turnover clamp mechanism |
| CN211062803U (en) * | 2019-12-23 | 2020-07-21 | 广东利元亨智能装备股份有限公司 | Battery cell packaging equipment |
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