CN113113656B - Interactive feeding type power battery cutting and stacking all-in-one machine and battery cell cutting, stacking and forming method - Google Patents
Interactive feeding type power battery cutting and stacking all-in-one machine and battery cell cutting, stacking and forming method Download PDFInfo
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- CN113113656B CN113113656B CN202110389927.9A CN202110389927A CN113113656B CN 113113656 B CN113113656 B CN 113113656B CN 202110389927 A CN202110389927 A CN 202110389927A CN 113113656 B CN113113656 B CN 113113656B
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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
- H01M10/0404—Machines for assembling batteries
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
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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
- H01M6/005—Devices for making primary cells
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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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Abstract
The invention belongs to the technical field of power battery production equipment, and particularly relates to an interactive feeding type power battery cutting and stacking all-in-one machine and a battery cell cutting, stacking and forming method thereof. The mode of adopting multi-thread pole piece transport material loading ensures that the pole piece on every station on the transfer link is all through independent transport, and is complete in structure, improves pole piece conveying efficiency and carries the effect, and the pole piece of lamination station is directly carried the lamination bench by independent conveying unit, reduces the pole piece and receives the influence of multistation lamination mode, reduces the machine adjusting degree of difficulty and the information processing degree of difficulty of control system, improves the operating efficiency of cutting and folding all-in-one, improves the utilization rate of this cutting and folding all-in-one, is favorable to the enterprise development.
Description
Technical Field
The invention belongs to the technical field of power battery production equipment, and particularly relates to an interactive feeding type power battery cutting and stacking all-in-one machine and a battery cell cutting, stacking and forming method thereof.
Background
The power battery adopts a cutting and stacking integrated machine and a mode of stacking a plurality of plates at one time to stack the plates for reducing the collision and powder falling of the pole pieces in the turnover process and improving the stacking frequency, and the efficiency can reach 400 plates per minute.
The problems that exist at present are:
1. feeding a plurality of lamination stations on a belt after die cutting of the pole piece; the sheet missing and any alarm shutdown and deceleration of the lamination station in the lamination process during the die cutting process can affect the laminations of other stations, and the improvement of the utilization rate of the cutting and laminating all-in-one machine is seriously affected.
2. After the battery core is stacked, the stacking table needs to be shifted to perform blanking, 15-20 seconds of auxiliary time are needed, and the stacking efficiency is seriously influenced.
3. Redundant pole pieces after the abnormity appears in the lamination process can flow to the back along with a belt conveying line and can not be laminated on the cutting and stacking integrated machine, the pole pieces must be manually collected by a material box and then transferred to other single-station laminating machines for lamination, the realization of cutting and stacking integration is not met, and the lamination efficiency is reduced.
Disclosure of Invention
The invention aims to provide an interactive feeding type power battery cutting and stacking all-in-one machine and a battery cell cutting and stacking forming method thereof, and aims to solve the technical problems that the cutting and stacking all-in-one machine is complex in structure, unstable in pole piece quality and not beneficial to production due to the fact that single-wire pole piece feeding is adopted in the prior art.
In order to achieve the above purpose, an interactive feeding type power battery cutting and stacking all-in-one machine provided by the embodiment of the invention comprises a base, a pole piece cutting device, a battery cell forming device and a battery cell blanking device, wherein the pole piece cutting device is arranged on one side of the base and is used for cutting a pole piece to form a single-pole piece material with a preset length; the battery cell forming device comprises a first pole piece conveying mechanism, a second pole piece conveying mechanism and a laminating mechanism, wherein the first pole piece conveying mechanism, the second pole piece conveying mechanism and the laminating mechanism are all arranged on the base, the input ends of the first pole piece conveying mechanism and the second pole piece conveying mechanism are connected with the output end of the pole piece cutting device, the first pole piece conveying mechanism and the second pole piece conveying mechanism respectively convey pole pieces with opposite polarities, the conveying directions of the first pole piece conveying mechanism and the second pole piece conveying mechanism are opposite to each other, and the laminating mechanism is arranged between the output ends of the first pole piece conveying mechanism and the second pole piece conveying mechanism and is used for stacking the pole pieces with opposite polarities in a staggered mode through diaphragms to form a battery cell structure; the battery cell blanking device is arranged on the base and is used for slitting the battery cell structure output by the lamination mechanism into battery cell single bodies with preset specifications and packaging and blanking the battery cell single bodies; the first pole piece conveying mechanism and the second pole piece conveying mechanism are provided with two output ends, the number of the lamination mechanisms and the number of the battery cell blanking devices are two groups, the lamination mechanisms are respectively in one-to-one correspondence between the corresponding output ends of the first pole piece conveying mechanism and the second pole piece conveying mechanism, the output directions of battery cell structures of the lamination mechanisms are opposite to each other, and the battery cell blanking devices are respectively in two groups of output ends of the lamination mechanisms.
Optionally, the first pole piece conveying mechanism includes a first linear assembly and a second linear assembly, the first linear assembly and the second linear assembly are both arranged on the base, the conveying directions of the first linear assembly and the second linear assembly are the same, and the conveying paths of the first linear assembly and the second linear assembly are parallel to each other; the second pole piece conveying mechanism comprises a third linear assembly and a fourth linear assembly, the third linear assembly and the fourth linear assembly are both arranged on the base, the conveying directions of the third linear assembly and the fourth linear assembly are the same, and the conveying paths of the third linear assembly and the fourth linear assembly are parallel to each other; the number of the pole piece cutting devices is two, the input ends of the first linear assembly and the second linear assembly are connected with the output end of one group of the pole piece cutting devices, the moving direction of the pole pieces of the first linear assembly and the second linear assembly is vertical to the moving direction of the pole pieces in the pole piece cutting device, the input ends of the third linear assembly and the fourth linear assembly are connected with the output end of the other group of the pole piece cutting device, the moving direction of the pole pieces of the third linear assembly and the fourth linear assembly is vertical to the moving direction of the pole pieces in the pole piece cutting device, the output ends of the first linear assembly and the third linear assembly respectively extend to two sides of the same group of lamination mechanisms, the output ends of the second linear assembly and the fourth linear assembly respectively extend to two sides of the same group of lamination mechanisms.
Optionally, a first transfer assembly is arranged at an output end of the pole piece cutting device, and the first transfer assembly is used for alternately transferring the pole pieces output by the pole piece cutting device to output ends of the first linear assembly and the second linear assembly; or the first transfer assembly is used for transferring the pole pieces output by the pole piece cutting device to the input ends of the third linear assembly and the fourth linear assembly in a staggered mode.
The lamination mechanism comprises a film covering assembly, a lamination table, a second transfer assembly and a third transfer assembly, the lamination table is arranged between the output ends of the first pole piece conveying mechanism and the second pole piece conveying mechanism, the second transfer assembly is arranged between the first linear assembly and the lamination table or between the third linear assembly and the lamination table, the third transfer assembly is arranged between the second linear assembly and the lamination table or between the fourth linear assembly and the lamination table, the second transfer assembly and the third transfer assembly are both used for transferring pole pieces passing through the pole piece conveying mechanism to the corresponding lamination table, and the film covering assembly is used for conveying diaphragms to the pole pieces with two adjacent polarities opposite to each other in a staggered mode to form a battery cell structure.
Optionally, the lamination mechanism further includes two sets of detection assemblies, two sets of detection assemblies are all arranged on the base and are respectively located the first pole piece conveying mechanism and the lamination stage and the second pole piece conveying mechanism and between the lamination stages, the detection assemblies are used for detecting pole piece position information output by the first pole piece conveying mechanism and the second pole piece conveying mechanism.
Optionally, the detection subassembly includes CCD vision sensing unit, fourth and passes on the subassembly and examine the platform, it is in to examine the platform setting one side of lamination platform, CCD vision sensing unit's output is aimed at examine the upper end of platform, CCD vision sensing unit's output with the control system electric connection of mutual feeding type power battery cutting and folding all-in-one, the fourth passes on the subassembly setting and is in examine between platform and the lamination platform, the second passes on the subassembly to be located examine the platform with between first pole piece conveying mechanism's the output, the third passes on the subassembly to be located examine the platform with between second pole piece conveying mechanism's the output.
Optionally, the conveying paths of the first pole piece conveying mechanism and the second pole piece conveying mechanism are arranged along the straight line of the upper end edge of the base, the lamination table is located on the straight path of the pole pieces and located at the position of the upper end edge of the base, and two groups of operation stations for accommodating operators are respectively arranged on the sides of the lamination table, which are back to back.
Optionally, the battery cell blanking device is located on a straight line extending path of the pole piece conveying direction and located on one side of the lamination table, and an output end of the battery cell blanking device extends to the outer side of the base and is located on one side of the operation station.
Optionally, the first pole piece conveying mechanism and the second pole piece conveying mechanism are arranged in a staggered manner with respect to each other in two output end output paths and corresponding to the lamination table, and a clearance-avoiding mounting position for avoiding clearance corresponding to the battery cell blanking device is formed on one side of the output ends of the first pole piece conveying mechanism and the second pole piece conveying mechanism.
One or more technical solutions in the interactive feeding type power battery cutting and stacking all-in-one machine provided by the embodiment of the invention have at least one of the following technical effects: the working principle of the interactive feeding type power battery cutting and stacking all-in-one machine is as follows:
feeding: the pole piece cutting devices are respectively arranged on two sides of the base and are used for cutting pole pieces with preset lengths and transferring the cut pole pieces to the output ends of the pole piece cutting devices, the polarities of the pole pieces output by the pole piece cutting devices are opposite, a first transfer assembly close to the first pole piece conveying mechanism carries the pole pieces to the input ends of the first linear assembly and the second linear assembly in a staggered mode, and a first transfer assembly close to the second pole piece conveying mechanism carries the pole pieces to the input ends of the third linear assembly and the fourth linear assembly in a staggered mode.
Film coating of a bottom layer diaphragm: the first linear assembly, the second linear assembly, the third linear assembly and the fourth linear assembly convey pole pieces to one side of the corresponding lamination table, and the two groups of film covering assemblies convey the diaphragm at the bottommost layer to the lamination table.
Primary lamination: the two sets of the second transfer assemblies respectively transfer the pole pieces output by the first linear assembly and the third linear conveying to the detection platform, the four transfer assemblies transfer the pole pieces on the detection platform to the diaphragm of the lamination platform after the two sets of the CCD visual sensing units detect the position information on the detection platform, and the film coating assembly coats the diaphragm on the pole pieces.
Secondary lamination: the two sets of third transfer assemblies respectively transfer the pole pieces output by the second linear assembly and the fourth linear conveying to the detection platform, after the two sets of CCD visual sensing units detect the position information on the detection platform, the fourth transfer assemblies transfer the pole pieces on the detection platform to a diaphragm of the lamination platform, and the film coating assembly coats the diaphragm on the pole pieces.
And respectively stacking and forming the battery cell structure with a preset thickness specification on the two groups of lamination platforms, and taking out the battery cell structure by the battery cell blanking device, and slitting and gluing the battery cell into battery cell monomers with preset specifications.
Molding: and the battery cell blanking device packages and blanks the corresponding battery cell monomer.
Compared with the technical problems that a pole piece conveying line of the cutting and folding all-in-one machine in the prior art is single in structure, general in conveying effect and capable of influencing production efficiency, the interactive feeding type power battery cutting and folding all-in-one machine provided by the embodiment of the invention adopts a multi-wire pole piece conveying and feeding mode, ensures that pole pieces on each station on a conveying line are independently conveyed, is complete in structure and improves the conveying efficiency and conveying effect of the pole pieces, the pole pieces on the lamination stations are directly conveyed to a lamination table by an independent conveying unit after being output by a pole piece cutting device, reduces influence of a multi-station lamination mode on the pole pieces, reduces difficulty in machine adjustment and difficulty in information processing of a control system, improves the operation efficiency of the cutting and folding all-in-one machine, improves the utilization rate of the cutting and folding all-in-one machine, and is beneficial to enterprise development.
When the linear assembly conveys the pole piece, the moving direction of the pole piece and the moving direction of the pole piece in the pole piece cutting device are designed to be 90 degrees, so that an operator can conveniently handle the feeding problem of the pole piece cutting device, and the situation that the pole piece is lost due to the fact that the pole piece is cut and fed in a multi-pole piece lamination is avoided.
In order to achieve the above object, an embodiment of the present invention provides a battery cell cutting, stacking and forming method, which is executed by the above interactive feeding type power battery cutting, stacking and forming all-in-one machine, and includes the following steps:
s100: the two groups of pole piece cutting devices respectively arranged on two sides of the base transfer pole pieces cut into preset lengths to output ends of the pole pieces, the polarities of the pole pieces output by the two groups of pole piece cutting devices are opposite to each other, a first transfer assembly close to the first pole piece conveying mechanism alternately conveys the pole pieces to the input ends of the first linear assembly and the second linear assembly, and a first transfer assembly close to the second pole piece conveying mechanism alternately conveys the pole pieces to the input ends of the third linear assembly and the fourth linear assembly;
s200: the first linear assembly, the second linear assembly, the third linear assembly and the fourth linear assembly convey pole pieces to one side of the corresponding lamination table, and the two groups of film covering assemblies convey the diaphragm at the bottommost layer to the lamination table;
s300: the two groups of second transfer assemblies transfer the pole pieces output by the first linear assembly and the third linear assembly to the corresponding detection tables respectively, after the two groups of CCD visual sensing units detect the position information on the corresponding detection tables, the fourth transfer assembly transfers the pole pieces on the detection tables to the diaphragms of the lamination tables, and the membrane covering assemblies cover the diaphragms on the pole pieces;
s400: the two groups of third transfer assemblies transfer the pole pieces output by the second linear assembly and the fourth linear assembly to the corresponding detection tables respectively, after the two groups of CCD visual sensing units detect the position information on the corresponding detection tables, the fourth transfer assemblies transfer the pole pieces on the detection tables to the diaphragms of the lamination tables, and the membrane covering assemblies cover the diaphragms on the pole pieces;
s500: repeating S300-S400 until two groups of lamination tables are respectively stacked and formed with a cell structure with a preset thickness specification, and taking out the cell structure by the cell blanking device, and slitting and gluing the cell to form a cell monomer with the preset specification;
s600: and the battery cell blanking device packages and blanks the corresponding battery cell monomer.
One or more technical solutions in the battery cell cutting, stacking and forming method provided by the embodiment of the present invention have at least one of the following technical effects: compared with the technical problems that the pole piece conveying line of the cutting and stacking all-in-one machine in the prior art is single in structure, general in conveying effect and capable of influencing production efficiency, the interactive feeding type power battery cutting and stacking all-in-one machine provided by the embodiment of the invention adopts a multi-wire pole piece conveying and feeding mode, so that the pole pieces on each station on the conveying line are independently conveyed, the structure is complete, the pole piece conveying efficiency and the conveying effect are improved, the pole pieces on the stacking stations are directly conveyed to the stacking table by the independent conveying unit after being output by the pole piece cutting device, the influence of the multi-station stacking mode on the pole pieces is reduced, the difficulty in machine adjustment and the difficulty in information processing of a control system are reduced, the operation efficiency of the cutting and stacking all-in-one machine is improved, the utilization rate of the cutting and stacking all-in-one machine is improved, and enterprise development is facilitated.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the embodiments or the prior art description will be briefly described below, and 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 may be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of an interactive feeding type power battery cutting and stacking all-in-one machine provided by an embodiment of the invention.
Fig. 2 is a flowchart of a battery cell cutting, stacking and forming method provided by the present invention.
Wherein, in the figures, the respective reference numerals:
10-base 20-pole piece cutting device 30-battery cell forming device
40-battery cell blanking device 31-first pole piece conveying mechanism 334-detection assembly
33-lamination mechanism 311-first linear assembly 312-second linear assembly
321-third Linear Assembly 322-fourth Linear Assembly 332-lamination station
333-third transfer assembly 32-second pole piece transfer mechanism 50-work station.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to FIGS. 1-2 are exemplary and intended to be illustrative of the embodiments of the invention and should not be construed as limiting the invention.
In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings only for the convenience of describing the embodiments of the present invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are 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 one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
In an embodiment of the present invention, as shown in fig. 1 to 2, an interactive feeding type power battery cutting and stacking all-in-one machine is provided, including a machine base 10, a pole piece cutting device 20, a battery cell forming device 30, and a battery cell blanking device 40, where the pole piece cutting device 20 is disposed on one side of the machine base 10 and is used to cut a pole piece to form a single pole piece material with a preset length; the cell forming device 30 includes a first pole piece conveying mechanism 31, a second pole piece conveying mechanism 32 and a lamination mechanism 33, the first pole piece conveying mechanism 31, the second pole piece conveying mechanism 32 and the lamination mechanism 33 are all arranged on the base 10, input ends of the first pole piece conveying mechanism 31 and the second pole piece conveying mechanism 32 are all connected with an output end of the pole piece cutting device 20, the first pole piece conveying mechanism 31 and the second pole piece conveying mechanism 32 respectively convey pole pieces with mutually opposite polarities, conveying directions of the first pole piece conveying mechanism 31 and the second pole piece conveying mechanism 32 are mutually opposite, the lamination mechanism 33 is arranged between output ends of the first pole piece conveying mechanism 31 and the second pole piece conveying mechanism 32 and is used for alternately stacking pole pieces with mutually opposite polarities through diaphragms to form a cell structure; the battery cell blanking device 40 is arranged on the base 10 and is used for slitting the battery cell structure output by the lamination mechanism 33 into battery cell monomers with preset specifications and packaging and blanking the battery cell monomers, for example, in the embodiment, the battery cell blanking device 40 is a battery cell fusing and gluing device; wherein, first pole piece conveying mechanism 31 with second pole piece conveying mechanism 32 all is provided with two outputs, lamination mechanism 33 with the quantity of electric core unloader 40 is two sets of, and is two sets of lamination mechanism 33 is located respectively the one-to-one respectively between the corresponding output of first pole piece conveying mechanism 31 with second pole piece conveying mechanism 32, and is two sets of lamination mechanism 33's electric core structure output direction is mutually opposite, and is two sets of electric core unloader 40 is located two sets of respectively lamination mechanism 33's output, in this embodiment, electric core unloader 40 with it realizes that the material forwards to be provided with between lamination mechanism 33 and forwards the unit, for example moves the material clamping jaw.
As shown in fig. 1 to 2, in another embodiment of the present invention, the first pole piece conveying mechanism 31 includes a first linear assembly 311 and a second linear assembly 312, the first linear assembly 311 and the second linear assembly 312 are both disposed on the machine base 10, the conveying directions of the first linear assembly 311 and the second linear assembly 312 are the same, and the conveying paths of the first linear assembly 311 and the second linear assembly 312 are parallel to each other; the second pole piece conveying mechanism 32 comprises a third linear assembly 321 and a fourth linear assembly 322, the third linear assembly 321 and the fourth linear assembly 322 are both arranged on the machine base 10, the conveying directions of the third linear assembly 321 and the fourth linear assembly 322 are the same, and the conveying paths of the third linear assembly 321 and the fourth linear assembly 322 are parallel to each other; the number of the pole piece cutting devices 20 is two, the input ends of the first linear assembly 311 and the second linear assembly 312 are connected with the output end of one group of the pole piece cutting device 20, the pole piece moving direction of the first linear assembly 311 and the second linear assembly 312 is perpendicular to the pole piece moving direction in the pole piece cutting device 20, the input ends of the third linear assembly 321 and the fourth linear assembly 322 are connected with the output end of the other group of the pole piece cutting device 20, the pole piece moving direction of the third linear assembly 321 and the fourth linear assembly 322 is perpendicular to the pole piece moving direction in the pole piece cutting device 20, the output ends of the first linear assembly 311 and the fourth linear assembly 322 extend to two sides of the same group of the lamination mechanism 33 respectively, the output ends of the second linear assembly 312 and the third linear assembly 321 extend to two sides of the same group of the lamination mechanism 33 respectively, specifically, in this embodiment, the first linear assembly 311, the second linear assembly 312, the third linear assembly 321, and the fourth linear assembly 322 are belt linear conveyors, the first linear assembly 311 and the second linear assembly 312 are arranged in parallel, the third linear assembly 321 and the fourth linear assembly 322 are arranged in parallel, the first linear assembly 311 and the third linear assembly 321 are symmetrically arranged with respect to the center of the middle point of the machine base 10, and the second linear assembly 312 and the fourth linear assembly 322 are symmetrically arranged with respect to the center of the middle point of the machine base 10.
In another embodiment of the present invention, as shown in fig. 1-2, the lamination mechanism 33 includes a lamination assembly, a lamination stage 332, a second transfer assembly and a third transfer assembly 333, the lamination stage 332 is disposed between the output ends of the first pole piece conveying mechanism 31 and the second pole piece conveying mechanism 32, the second transfer assembly is disposed between the first linear assembly 311 and the lamination stage 332 or between the third linear assembly 321 and the lamination stage 332, the third transfer assembly 333 is disposed between the second linear assembly 312 and the lamination stage 332 or between the fourth linear assembly 322 and the lamination stage 332, the second transfer assembly and the third transfer assembly 333 are both used for transferring pole pieces passing through the pole piece conveying mechanism to the corresponding lamination stage 332, the lamination assembly is used for alternately conveying diaphragms to two adjacent pole pieces with opposite polarities, to form the electric core structure, specifically, this tectorial membrane subassembly's tectorial membrane flow: the second transfer assembly inputs pole pieces onto the lamination stage 332, the lamination assembly covers a membrane over the topmost pole piece, the third transfer assembly 333 inputs pole pieces over the topmost membrane, and the lamination assembly covers a membrane over the topmost pole piece.
As shown in fig. 1-2, in another embodiment of the present invention, two output end output paths of the first pole piece conveying mechanism 31 and the second pole piece conveying mechanism 32, which are opposite to each other, are arranged in a staggered manner with respect to the corresponding lamination stage 332, a space-avoiding mounting position for space-avoiding the corresponding cell blanking device 40 is formed at one side of the output ends of the first pole piece conveying mechanism 31 and the second pole piece conveying mechanism 32, specifically, two sets of lamination stages 332 are respectively located at the pole piece output ends of the first linear assembly 311 and the third linear assembly 321 and in the extending direction of the corresponding pole piece moving path, the second linear assembly 312 and the fourth linear assembly 322 are respectively arranged in parallel at one side of the first linear assembly 311 and the third linear assembly 321, the pole piece conveying paths of the second linear assembly 312 and the fourth linear assembly 322 are respectively arranged in a staggered manner with respect to the corresponding lamination stage 332, in this embodiment, the output ends of the second linear assembly 312 and the fourth linear assembly 322 are bent to extend to one side of the lamination table 332, and the output ends of the second linear assembly 312 and the fourth linear assembly 322 are bent by 90 ° and extend to one side of the lamination table 332, and because the second linear assembly 312 and the fourth linear assembly 322 are respectively perpendicular to the moving path of the pole piece corresponding to the pole piece cutting device 20, one of the space-avoiding mounts is formed between the second linear assembly 312 and the pole piece cutting device 20, and the other space-avoiding mount is formed between the fourth linear assembly 322 and the pole piece cutting device 20.
As shown in fig. 1-2, in another embodiment of the present invention, the first linear assembly 311 and the third linear assembly 321 are disposed along the edge of the machine base 10, one side of the lamination table 332 facing the outside of the machine base 10 (i.e., the side of the two lamination tables 332 facing away from each other) can be used as an operation station 50 for accommodating an operator, after the battery cell blanking device 40 is mounted at the empty-avoiding mounting position, the output end of the battery cell blanking device 40 extends to the outside of the machine base 10, the output end is located at one side of the operation station 50, and the operator can monitor and maintain the lamination table 332 during the blanking interval.
Meanwhile, the pole piece conveying direction on the linear assembly and the pole piece moving direction in the pole piece cutting device 20 are designed to be 90 degrees, the feeding problem of the pole piece cutting device 20 can be conveniently handled by an operator at a bending position (namely the connecting position of the linear assembly and the output end of the pole piece cutting device 20), and the situation that pole pieces are lost due to pole piece cutting feeding in a multi-pole piece lamination is avoided.
As shown in fig. 1-2, in another embodiment of the present invention, the output end of the pole piece cutting device 20 is provided with a first transferring assembly, and the first transferring assembly is used for transferring the pole pieces output by the pole piece cutting device 20 to the output ends of the first linear assembly 311 and the second linear assembly 312 in a staggered manner; or the first transfer component is used to transfer the pole pieces output by the pole piece cutting device 20 to the input ends of the third linear component 321 and the fourth linear component 322 in a staggered manner, in this embodiment, the first transfer component is a two-axis material grabbing manipulator, the output end of the first transfer component reciprocates between the input ends of the first linear component 311 and the second linear component 312 or the third linear component 321 and the fourth linear component 322, so as to evenly distribute the pole pieces output by the pole piece cutting device 20 to the two corresponding sets of linear components, the first linear component 311, the second linear component 312, the third linear component 321 and the fourth linear component 322 synchronously transfer the pole pieces in a stepping manner, so that a gap is provided between two pole pieces on the same linear component, in other embodiments, the first transfer component may be a lifting type flow dividing baffle structure, the structure is a structure formed by technology and mature technology, and the description of the embodiment is omitted.
As shown in fig. 1-2, in another embodiment of the present invention, the lamination mechanism 33 further includes two sets of detection assemblies 334, the two sets of detection assemblies 334 are both disposed on the base 10 and respectively located between the first pole piece conveying mechanism 31 and the lamination stage 332 and between the second pole piece conveying mechanism 32 and the lamination stage 332, the detection assemblies 334 are configured to detect pole piece position information output by the first pole piece conveying mechanism 31 and the second pole piece conveying mechanism 32, specifically, an electrical control system of the cutting and stacking all-in-one machine is electrically connected to output ends of the detection assemblies 334, and after receiving the pole piece position information fed back by the detection assemblies 334, the electrical control system drives the corresponding transfer assembly to move to a preset position for material movement.
As shown in fig. 1-2, in another embodiment of the present invention, the detecting assembly 334 includes a CCD vision sensing unit, a fourth transferring assembly and a detecting table, the detecting table is disposed at one side of the laminating table 332, an output end of the CCD vision sensing unit is aligned with an upper end of the detecting table, the output end of the CCD vision sensing unit is electrically connected to the electrical control system, the fourth transferring assembly is disposed between the detecting table and the laminating table 332, the second transferring assembly is disposed between the detecting table and an output end of the first pole piece conveying mechanism 31, the third transferring assembly 333 is disposed between the detecting table and an output end of the second pole piece conveying mechanism 32, and specifically, the CCD vision sensing unit is a CCD vision positioning sensor.
Specifically, this mutual feeding type power battery cuts and folds theory of operation of all-in-one:
feeding: the two sets of pole piece cutting devices 20 respectively arranged on both sides of the machine base 10 transfer pole pieces cut to preset lengths to output ends thereof, the polarities of the pole pieces output by the two sets of pole piece cutting devices 20 are opposite to each other, a first transfer component close to the first pole piece conveying mechanism 31 alternately conveys the pole pieces to the input ends of the first linear component 311 and the second linear component 312, and a first transfer component close to the second pole piece conveying mechanism 32 alternately conveys the pole pieces to the input ends of the third linear component 321 and the fourth linear component 322.
Film coating of a bottom layer diaphragm: the first linear assembly 311, the second linear assembly 312, the third linear assembly 321 and the fourth linear assembly 322 convey pole pieces to one side of the lamination table 332 correspondingly, and the two sets of film covering assemblies convey the bottommost diaphragm to the lamination table 332.
Primary lamination: the two sets of the second transfer assemblies respectively transfer the pole pieces output by the first linear assembly 311 and the third linear conveying to the detection table correspondingly, after the two sets of the CCD visual sensing units detect the position information corresponding to the detection table, the fourth transfer assembly transfers the pole pieces on the detection table to the diaphragm of the lamination table 332, and the film coating assembly coats the diaphragm on the pole pieces.
Secondary lamination: the two sets of the third transfer assemblies 333 transfer the pole pieces output by the second linear assembly 312 and the fourth linear conveying to the detection table, after the two sets of the CCD vision sensing units detect the position information on the detection table, the fourth transfer assemblies transfer the pole pieces on the detection table to the diaphragm of the lamination table 332, and the lamination assemblies coat the diaphragm on the pole pieces.
The battery cell structure with the preset thickness specification is formed on the two groups of lamination tables 332 in a stacking mode, and the battery cell blanking device 40 takes out the battery cell structure and performs battery cell slitting and gluing to form the battery cell monomer with the preset specification.
Molding: and the battery cell blanking device 40 packages and blanks the corresponding battery cell monomer.
Compared with the technical problems that the pole piece conveying line of the cutting and stacking all-in-one machine in the prior art is single in structure, general in conveying effect and capable of influencing production efficiency, the interactive feeding type power battery cutting and stacking all-in-one machine provided by the embodiment of the invention adopts a multi-wire pole piece conveying and feeding mode, so that the pole pieces on each station on the conveying line are independently conveyed, the structure is complete, the conveying efficiency and the conveying effect of the pole pieces are improved, the pole pieces on the stacking stations are directly conveyed to the stacking table 332 through the independent conveying unit after being output by the pole piece cutting device 20, the influence of the multi-station stacking mode on the pole pieces is reduced, the difficulty in machine adjustment and the difficulty in information processing of a control system are reduced, the operation efficiency of the cutting and stacking all-in-one machine is improved, the utilization rate of the cutting and stacking all-in-one machine is improved, and enterprise development is facilitated.
As shown in fig. 1-2, in another embodiment of the present invention, an output end of the second transfer assembly reciprocates between an output end of the first linear assembly 311 or the third linear assembly 321, the inspection stage and the lamination stage 332, in this embodiment, the second transfer assembly includes a second material transferring robot and a third material transferring robot, the second material transferring robot and the third material transferring robot are sequentially disposed along a pole piece conveying path, the second material transferring robot reciprocates between the third linear assembly 321 and the inspection stage, the third material transferring robot reciprocates between the inspection stage and the lamination stage 332, and output ends of the second material transferring robot and the third material transferring robot alternately move to the inspection stage.
As shown in fig. 1 to 2, in another embodiment of the present invention, the third transfer unit 333 includes a rotary transfer robot and a first material transfer robot, the rotary transfer robot is disposed between the output ends of the inspection stage and the second linear unit 312 or between the output ends of the inspection stage and the fourth linear unit 322, the output end of the first material transfer robot reciprocates between the lamination stage 332 and the inspection stage, specifically, the first material transfer robot is a two-axis material taking robot, and in this embodiment, the rotation angle of the rotary transfer robot ranges from 0 ° to 90 °.
As shown in fig. 1 to 2, in another embodiment of the present invention, two sets of the inspection stations are located at two adjacent sides of the same lamination station 332, the two sets of the inspection stations and the lamination station 332 are distributed at intervals in an "L" shape, in other embodiments, two sets of the inspection stations and the lamination station 332 may also be distributed at intervals in a straight line, that is, the pole pieces of the first straight line component 311 and the third straight line component 321 move to be arranged in a collinear manner, the pole pieces of the second straight line component 312 and the fourth straight line component 322 move to be arranged in a collinear manner, two sets of the cell blanking devices 40 are respectively arranged at one-to-one correspondence to one sides of the two sets of the lamination stations 332 facing away from each other, that is, the cell blanking devices 40 are located between the first pole piece conveying mechanism 31 and the second pole piece conveying mechanism 32, the operation station 50 in this structure is formed between the first pole piece conveying mechanism 31 and the cell blanking device 40 or between the second pole piece conveying mechanism 32 and the cell blanking device 40, that is, the working station 50 is located at one side of the corner position of the lamination stage 332, and in this structure, when the CCD vision sensing unit is removed, the second transfer unit and the third transfer unit 333 may be replaced by a multi-station material taking manipulator, and the output end of the multi-station material taking manipulator reciprocates between the output ends of the two sets of linear components, the two sets of inspection stages, and the two sets of lamination stages 332.
As shown in fig. 1 to 2, another embodiment of the present invention provides a battery cell cutting and stacking forming method, which is executed by the above-mentioned interactive feeding type power battery cutting and stacking all-in-one machine, and includes the following steps:
s100: the two sets of pole piece cutting devices 20 respectively arranged on the two sides of the machine base 10 transfer pole pieces cut to preset lengths to output ends thereof, the polarities of the pole pieces output by the two sets of pole piece cutting devices 20 are opposite to each other, the first transfer assembly close to the first pole piece conveying mechanism 31 alternately conveys the pole pieces to the input ends of the first linear assembly 311 and the second linear assembly 312, and the first transfer assembly close to the second pole piece conveying mechanism 32 alternately conveys the pole pieces to the input ends of the third linear assembly 321 and the fourth linear assembly 322;
s200: the first linear assembly 311, the second linear assembly 312, the third linear assembly 321 and the fourth linear assembly 322 convey pole pieces to one side of the corresponding lamination table 332, and the two sets of film covering assemblies convey the bottommost diaphragm to the lamination table 332;
s300: the two groups of second transfer assemblies transfer the pole pieces output by the first linear assembly 311 and the third linear assembly to the corresponding detection tables respectively, after the two groups of CCD visual sensing units detect the position information on the corresponding detection tables, the fourth transfer assembly transfers the pole pieces on the detection tables to the diaphragm of the lamination table 332, and the film covering assembly covers the diaphragm on the pole pieces;
s400: the two groups of third transfer assemblies 333 respectively transfer the pole pieces output by the second linear assembly 312 and the fourth linear conveying to the corresponding detection tables, after the two groups of CCD vision sensing units detect the position information on the corresponding detection tables, the fourth transfer assemblies transfer the pole pieces on the detection tables to the diaphragm of the lamination table 332, and the lamination assemblies wrap the diaphragm on the pole pieces;
s500: repeating S300-S400 until the two groups of lamination tables 332 are respectively stacked and molded with a battery cell structure with a preset thickness specification, and taking out the battery cell structure by the battery cell blanking device 40, and slitting and gluing the battery cell to form a battery cell monomer with a preset specification;
s600: and the battery cell blanking device 40 packages and blanks the corresponding battery cell monomer.
Specifically, compared with the technical problems that the pole piece conveying line of the cutting and stacking all-in-one machine in the prior art has a single structure, the conveying effect is general, and the production efficiency is affected, the interactive feeding type power battery cutting and stacking all-in-one machine provided by the embodiment of the invention adopts a multi-wire pole piece conveying and feeding mode, so that the pole pieces on each station on the conveying line are independently conveyed, the structure is complete, the pole piece conveying efficiency and the conveying effect are improved, the pole pieces on the stacking stations are directly conveyed to the stacking table 332 by the independent conveying unit after being output by the pole piece cutting device 20, the influence of the multi-station stacking mode on the pole pieces is reduced, the difficulty in adjusting and the difficulty in information processing of a control system are reduced, the operation efficiency of the cutting and stacking all-in-one machine is improved, the utilization rate of the cutting and stacking all-in-one machine is improved, and the development of enterprises is facilitated.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The utility model provides an interaction feeding type power battery cuts and folds all-in-one which characterized in that includes:
a machine base;
the pole piece cutting device is arranged on one side of the base and is used for cutting the pole piece to form a single pole piece material with a preset length;
the battery cell forming device comprises a first pole piece conveying mechanism, a second pole piece conveying mechanism and a laminating mechanism, wherein the first pole piece conveying mechanism, the second pole piece conveying mechanism and the laminating mechanism are all arranged on the base, the input ends of the first pole piece conveying mechanism and the second pole piece conveying mechanism are connected with the output end of the pole piece cutting device, the first pole piece conveying mechanism and the second pole piece conveying mechanism respectively convey pole pieces with opposite polarities, the conveying directions of the first pole piece conveying mechanism and the second pole piece conveying mechanism are opposite to each other, and the laminating mechanism is arranged between the output ends of the first pole piece conveying mechanism and the second pole piece conveying mechanism and is used for interleaving and stacking the pole pieces with opposite polarities through diaphragms to form a battery cell structure;
the battery cell blanking device is arranged on the base and used for slitting the battery cell structure output by the lamination mechanism into battery cell monomers with preset specifications and packaging and blanking the battery cell monomers;
the first pole piece conveying mechanism and the second pole piece conveying mechanism are provided with two output ends, the number of the lamination mechanisms and the number of the battery cell blanking devices are two, the two groups of lamination mechanisms are respectively positioned between the corresponding output ends of the first pole piece conveying mechanism and the second pole piece conveying mechanism in a one-to-one correspondence mode, the output directions of battery cell structures of the two groups of lamination mechanisms are opposite to each other, and the two groups of battery cell blanking devices are respectively positioned at the output ends of the two groups of lamination mechanisms;
the first pole piece conveying mechanism comprises a first linear assembly and a second linear assembly, the first linear assembly and the second linear assembly are both arranged on the base, the conveying directions of the first linear assembly and the second linear assembly are the same, and the conveying paths of the first linear assembly and the second linear assembly are parallel to each other;
the second pole piece conveying mechanism comprises a third linear assembly and a fourth linear assembly, the third linear assembly and the fourth linear assembly are both arranged on the base, the conveying directions of the third linear assembly and the fourth linear assembly are the same, and the conveying paths of the third linear assembly and the fourth linear assembly are parallel to each other;
the number of the pole piece cutting devices is two, the input ends of the first linear assembly and the second linear assembly are connected with the output end of one group of the pole piece cutting devices, the moving direction of the pole pieces of the first linear assembly and the second linear assembly is vertical to the moving direction of the pole pieces in the pole piece cutting device, the input ends of the third linear assembly and the fourth linear assembly are connected with the output end of the other group of the pole piece cutting device, the moving direction of the pole pieces of the third linear assembly and the fourth linear assembly is vertical to the moving direction of the pole pieces in the pole piece cutting device, the output ends of the first linear assembly and the third linear assembly respectively extend to two sides of the lamination mechanism in the same group, the output ends of the second linear assembly and the fourth linear assembly respectively extend to two sides of the same group of lamination mechanisms.
2. The interactive feed type power battery cutting and stacking all-in-one machine as claimed in claim 1, wherein: the output end of the pole piece cutting device is provided with a first transfer assembly, and the first transfer assembly is used for transferring the pole pieces output by the pole piece cutting device to the output ends of the first linear assembly and the second linear assembly in a staggered manner; or the first transfer assembly is used for transferring the pole pieces output by the pole piece cutting device to the input ends of the third linear assembly and the fourth linear assembly in a staggered mode.
3. The interactive feed type power battery cutting and stacking all-in-one machine as claimed in claim 2, wherein: the lamination mechanism comprises a film covering assembly, a lamination table, a second transfer assembly and a third transfer assembly, the lamination table is arranged between the output ends of the first pole piece conveying mechanism and the second pole piece conveying mechanism, the second transfer assembly is arranged between the first linear assembly and the lamination table or between the third linear assembly and the lamination table, the third transfer assembly is arranged between the second linear assembly and the lamination table or between the fourth linear assembly and the lamination table, the second transfer assembly and the third transfer assembly are both used for transferring pole pieces passing through the pole piece conveying mechanism to the corresponding lamination table, and the film covering assembly is used for conveying diaphragms to the pole pieces with two adjacent polarities opposite to each other in a staggered mode to form a battery cell structure.
4. The interactive feeding type power battery cutting and stacking all-in-one machine as claimed in claim 3, wherein: the lamination mechanism further comprises two groups of detection assemblies, the detection assemblies are arranged on the base and are respectively located on the first pole piece conveying mechanism and the lamination platform and the second pole piece conveying mechanism and between the lamination platforms, and the detection assemblies are used for detecting the position information of the pole pieces output by the first pole piece conveying mechanism and the second pole piece conveying mechanism.
5. The interactive feed type power battery cutting and stacking all-in-one machine as claimed in claim 4, wherein: the detection assembly comprises a CCD visual sensing unit, a fourth transfer assembly and a detection platform, the detection platform is arranged on one side of the lamination platform, the output end of the CCD visual sensing unit is aligned with the upper end of the detection platform, the output end of the CCD visual sensing unit is electrically connected with a control system of the interactive feeding type power battery cutting and stacking all-in-one machine, the fourth transfer assembly is arranged between the detection platform and the lamination platform, the second transfer assembly is located between the detection platform and the output end of the first pole piece conveying mechanism, and the third transfer assembly is located between the detection platform and the output end of the second pole piece conveying mechanism.
6. The interactive feeding type power battery cutting and stacking all-in-one machine as claimed in any one of claims 3 to 5, wherein: the first pole piece conveying mechanism and the second pole piece conveying mechanism are arranged in a straight line along the upper end edge of the machine base, the lamination table is located on the straight line path of the pole pieces and located at the upper end edge of the machine base, and two groups of operation stations used for containing operators are arranged on one sides of the lamination table, which are back to back.
7. The interactive feed type power battery cutting and stacking all-in-one machine as claimed in claim 6, wherein: the battery cell blanking device is located on a straight line extending path of the pole piece conveying direction and located on one side of the lamination table, and the output end of the battery cell blanking device extends to the outer side of the machine base and is located on one side of the operation station.
8. The interactive feed type power battery cutting and stacking all-in-one machine as claimed in claim 7, wherein: the first pole piece conveying mechanism and the second pole piece conveying mechanism are opposite in output path and correspond to the lamination table in a staggered mode, and a clearance-avoiding mounting position used for avoiding clearance corresponding to the battery cell blanking device is formed on one side of the output end of the first pole piece conveying mechanism and the output end of the second pole piece conveying mechanism.
9. A battery core cutting, stacking and forming method is characterized in that: performed by the interactive feed type power cell cutting and stacking all-in-one machine of claim 5, comprising the steps of:
s100: the two groups of pole piece cutting devices respectively arranged on two sides of the base transfer pole pieces which are cut into preset lengths to output ends of the pole pieces, the polarities of the pole pieces output by the two groups of pole piece cutting devices are opposite to each other, a first transfer assembly close to the first pole piece conveying mechanism alternately conveys the pole pieces to the input ends of the first linear assembly and the second linear assembly, and a first transfer assembly close to the second pole piece conveying mechanism alternately conveys the pole pieces to the input ends of the third linear assembly and the fourth linear assembly;
s200: the first linear assembly, the second linear assembly, the third linear assembly and the fourth linear assembly convey pole pieces to one side of the corresponding lamination table, and the two groups of film covering assemblies convey the bottommost diaphragm to the lamination table;
s300: the two groups of second transfer assemblies transfer the pole pieces conveyed and output by the first linear assembly and the third linear assembly to the detection tables respectively, after the two groups of CCD visual sensing units detect the position information on the detection tables, the fourth transfer assembly transfers the pole pieces on the detection tables to the diaphragms of the lamination tables, and the membrane covering assemblies cover the diaphragms on the pole pieces;
s400: the two groups of third transfer assemblies transfer the pole pieces conveyed and output by the second linear assembly and the fourth linear assembly to the detection tables respectively, after the two groups of CCD visual sensing units detect the position information on the detection tables, the fourth transfer assemblies transfer the pole pieces on the detection tables to the diaphragms of the lamination tables, and the membrane covering assemblies cover the diaphragms on the pole pieces;
s500: repeating S300-S400 until two groups of lamination tables are respectively stacked and formed with a cell structure with a preset thickness specification, and taking out the cell structure by the cell blanking device, and slitting and gluing the cell to form a cell monomer with the preset specification;
s600: and the battery cell blanking device packs and blanks corresponding to the battery cell monomer.
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| CN202110389927.9A CN113113656B (en) | 2021-04-12 | 2021-04-12 | Interactive feeding type power battery cutting and stacking all-in-one machine and battery cell cutting, stacking and forming method |
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