CN110176637B - Polymer battery cell manufacturing system and manufacturing method thereof - Google Patents
Polymer battery cell manufacturing system and manufacturing method thereof Download PDFInfo
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- CN110176637B CN110176637B CN201910507327.0A CN201910507327A CN110176637B CN 110176637 B CN110176637 B CN 110176637B CN 201910507327 A CN201910507327 A CN 201910507327A CN 110176637 B CN110176637 B CN 110176637B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/20—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring contours or curvatures, e.g. determining profile
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
- G01R31/3865—Arrangements for measuring battery or accumulator variables related to manufacture, e.g. testing after manufacture
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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
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound 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
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Abstract
The invention provides a polymer manufacturing system and a manufacturing method thereof, wherein the polymer battery cell manufacturing system comprises: a control system; a manufacturing facility, the control system communicatively coupled to the manufacturing facility to control the manufacturing facility to complete the manufacture of the polymer cells; and the control system controls the test device and tests the battery cell in the process of manufacturing by the manufacturing equipment.
Description
Technical Field
The invention relates to the field of manufacturing processes, in particular to a polymer battery cell manufacturing system and a manufacturing method thereof.
Background
With the continuous development of new energy products such as electric vehicles, batteries are very important for an electric motor. The demand of batteries, especially lithium batteries, is increasing day by day, so that the battery manufacturing process becomes a key field to be attacked by various enterprises.
At present, domestic battery manufacturing processes, particularly the manufacturing of polymer battery cores, mostly depend on the existing equipment and technologies. The manufacturing process of the polymer cell has some problems which need to be solved urgently. The polymer battery core is manufactured in a rough type and a workshop type, and the linkage and the cooperation of some devices are relatively lacked.
Firstly, the efficiency of manufacturing polymer battery cells is low, on one hand, the process is repeated and the operation is complicated, and on the other hand, the manufacturing process is not monitored and effectively managed, so that the efficiency in the whole manufacturing process is reduced.
Secondly, the energy consumption of the manufacturing of the polymer cell is too high, and in the whole process, the steps and the method of the manufacturing process have repeated work, and the repeated work causes higher energy consumption.
Thirdly, the automation and systematization degree of the whole manufacturing process are not high, so that the labor cost in the manufacturing process is increased.
Therefore, some of the above problems result in low efficiency and high energy consumption of the manufacturing process, which in turn results in poor yield and quality.
Disclosure of Invention
One major advantage of the present invention is to provide a polymer cell manufacturing system and a manufacturing method thereof, which can automatically manufacture and monitor a manufacturing process of a polymer cell to improve manufacturing efficiency.
Another advantage of the present invention is to provide a polymer cell manufacturing system and a manufacturing method thereof, which monitors the entire manufacturing process and provides timely warning when a failure occurs, so as to improve the overall manufacturing quality.
Another advantage of the present invention is to provide a polymer battery cell manufacturing system and a manufacturing method thereof, which provide a sheet making device capable of simultaneously making positive and negative plates to improve the manufacturing efficiency of the positive and negative plates.
Another advantage of the present invention is to provide a polymer cell manufacturing system and a manufacturing method thereof, which provide a sheet manufacturing apparatus capable of continuously and adjustably manufacturing positive and negative sheets to improve manufacturing efficiency of the positive and negative sheets.
Another advantage of the present invention is to provide a polymer cell manufacturing system and a manufacturing method thereof, wherein the polymer cell manufacturing system and the manufacturing method thereof provide a baking device, and the baking device is respectively disposed in a baking area of the sheet making device at an inlet and an outlet of the sheet making device, so that the sheet making device can directly complete baking before and after sheet making, thereby improving manufacturing efficiency.
Another advantage of the present invention is to provide a polymer cell manufacturing system and a method of manufacturing the same, which also provides a baking apparatus that is capable of moving and adjusting a baking area thereof.
Another advantage of the present invention is to provide a polymer cell manufacturing system and a manufacturing method thereof, which further provides an assembling apparatus for performing a winding operation on the positive electrode sheet and the negative electrode sheet manufactured by the sheet manufacturing apparatus.
Another advantage of the present invention is to provide a polymer cell manufacturing system and a manufacturing method thereof, in which an outlet of the assembly device of the polymer cell manufacturing system and the manufacturing method thereof is disposed in a baking region of the baking device, so that the baking can be directly performed after the assembly device is assembled.
Another advantage of the present invention is to provide a polymer cell manufacturing system and a manufacturing method thereof, which further provides a testing apparatus for detecting whether assembled polymer cells are normal.
Another advantage of the present invention is to provide a polymer cell manufacturing system and a method of manufacturing the same, wherein the overall manufacturing process of the polymer cell manufacturing system and the method of manufacturing the same is capable of some adjustments by monitoring to ensure the integrity and fluency of the manufacturing process.
Another advantage of the present invention is to provide a polymer cell manufacturing system and a manufacturing method thereof, which can automatically control the manufacturing apparatus to complete the manufacturing of the polymer cell.
Additional advantages and features of the invention will be set forth in the detailed description which follows and in part will be apparent from the description, or may be learned by practice of the invention as set forth hereinafter.
In accordance with one aspect of the present invention, the foregoing and other objects and advantages are achieved in a polymer cell manufacturing system, comprising: a control system; a manufacturing apparatus; the control system is communicatively connected with the manufacturing equipment to control the manufacturing equipment to complete the manufacture of the polymer cells; and the control system controls the test device and tests the battery cell in the process of manufacturing by the manufacturing equipment.
According to one embodiment of the present invention, the control system comprises a test unit communicatively connected to the test apparatus to control the test apparatus to perform the test.
According to one embodiment of the present invention, the manufacturing apparatus further includes a baking device, and the baking device bakes the baking of the battery cell manufactured by the manufacturing apparatus.
According to one embodiment of the present invention, the manufacturing apparatus includes: a production device, the control system communicatively coupled to the production device; a winding device to which the control system is communicatively connected, the sequence of operation of the winding device being subsequent to the sheeting device; and a mounting device to which the control system is communicatively coupled, the sequence of operations of the mounting device following the mounting device.
According to one embodiment of the present invention, the control system further comprises an operation unit and a configuration unit, wherein the configuration unit is communicatively connected to the operation unit, and the operation unit is communicatively connected to the manufacturing equipment to control the manufacturing equipment to complete the preparation.
According to one embodiment of the invention, the configuration unit receives and processes an operation signal of the manufacturing equipment, controls the operation unit to execute the operation of the manufacturing equipment, and controls the test unit to execute the test on the battery cell prepared by the manufacturing equipment.
According to one embodiment of the present invention, when the polymer battery cell manufacturing system is started, the configuration unit outputs a baking signal to control the baking device to bake a raw material.
According to one embodiment of the present invention, the tableting device includes two dosing units and a preparation unit, wherein the two dosing units are connected to the preparation unit in a convergent manner.
According to one embodiment of the present invention, when the batching member of the sheet making apparatus completes batching of the positive electrode and the negative electrode, respectively, the batching member further converges to the preparation member to complete preparation of the positive electrode sheet and the negative electrode sheet.
According to one embodiment of the invention, when the sheet making device completes making the positive electrode sheet and the negative electrode sheet, that is, a sheet making completion signal is generated, the sheet making completion signal is transmitted to the configuration unit, and the configuration unit processes and outputs a baking signal to control the baking device to bake the positive electrode sheet and the negative electrode sheet.
According to one embodiment of the invention, after the baking device finishes baking, the baking device outputs a baking completion signal, the baking completion signal is transmitted to the configuration unit, the configuration unit processes and outputs a winding signal, and the operation unit executes the winding signal to control the winding device to complete preparation of the positive pole piece and the negative pole piece.
According to one embodiment of the invention, the mounting device comprises a packaging part and a configuration part, wherein the packaging part and the configuration part are both communicatively connected to the operating unit.
According to one embodiment of the present invention, when the configuration unit outputs a package signal, the configuration unit is communicatively connected to the operation unit to control the package component to complete winding of the cell prototype.
According to one embodiment of the present invention, after the package component completes the package, a package completion signal is output, the package completion signal is transmitted to the configuration unit, and the configuration unit processes and outputs a baking signal to control the baking device to bake the packaged cell prototype.
According to one embodiment of the present invention, after the baking device is completed, the baking device outputs a baking completion signal, the baking completion signal is transmitted to the configuration unit, the configuration unit processes and outputs a configuration signal, and the configuration unit is communicatively connected to the operation unit to control the configuration component to configure the baked cell prototype.
According to one embodiment of the present invention, when the assembling apparatus further includes a shaping component, the operation unit is operatively connected to the shaping component, and when the configuration unit processes and outputs a baking signal, the operation unit controls the shaping component to clamp the packaged cell prototype, so as to perform baking in the baking apparatus.
According to one embodiment of the present invention, the testing unit includes an obtaining module, a judging module and an outputting module, the obtaining module and the outputting module are all connected with the manufacturing equipment in a communication mode to obtain one of a production completion signal, a winding completion signal, a packaging completion signal and a configuration completion signal, the outputting module outputs a testing signal, and the testing signal is transmitted to the testing device to be tested.
According to one embodiment of the present invention, after the test of the test apparatus is completed, the test apparatus outputs a test completion signal and transmits the test completion signal to the determination module, the determination module further determines whether the test apparatus is qualified, when the test apparatus is determined to be qualified, a qualified signal is output from the output module, the configuration unit continues the manufacturing operation when the configuration unit obtains the qualified signal, when the test apparatus is determined to be unqualified, a unqualified signal is output from the output module, and the configuration unit obtains the unqualified signal and controls the operation unit to stop the current operation. According to another aspect of the present invention, there is further provided a method of manufacturing a polymer cell, comprising:
(a) baking the raw materials to a degree suitable for compounding;
(b) executing the sheet making signal to complete the preparation of the positive plate and the negative plate and further baking;
(c) executing the winding signal to complete the winding of the cell prototype, and further baking;
(d) executing the packaging signal to complete the packaging of the cell prototype, and further baking; and
(e) the configuration signals are executed to complete the configuration of the cell prototype, i.e., to complete the fabrication of the polymer cell.
Further objects and advantages of the invention will be fully apparent from the ensuing description and drawings.
These and other objects, features and advantages of the present invention will become more fully apparent from the following detailed description, the accompanying drawings and the claims.
Drawings
FIG. 1 is a schematic diagram of the overall system of the present invention.
FIG. 2 is a system schematic of the tableting apparatus of the present invention.
FIG. 3 is a system schematic of the assembly apparatus and the toasting apparatus of the present invention.
Fig. 4 is a schematic diagram of a cell manufacturing process of the present invention.
Fig. 5 is a schematic view of the operation of the test unit and the test device of the present invention.
Fig. 6 is a schematic diagram of a cell manufacturing process according to the present invention.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular orientation, and thus the above terms are not to be construed as limiting the present invention.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
As shown in fig. 1, the present invention provides a polymer cell manufacturing system, which is used for manufacturing a polymer system, the polymer cell manufacturing system includes a manufacturing apparatus 1 and an operating system 2, wherein the manufacturing apparatus 1 is used for manufacturing the polymer cell, the operating system 2 is controllably connected to the manufacturing apparatus 1, and the operating system 2 is capable of controlling the manufacturing apparatus 1 to complete the manufacturing of the polymer cell.
The manufacturing equipment 1 comprises a sheet making device 11, a winding device 12, an assembling device 13 and a testing device 14, wherein the sheet making device 11 is used for manufacturing positive plates and negative plates required by the polymer battery cores. It should be noted that the conventional manner of manufacturing the positive electrode tab and the negative electrode tab is to manufacture them separately. The manufacturing facility 1 further comprises a baking device 15, wherein the baking device 15 is used for baking the material, so that the baked material can be adapted to the corresponding operation.
As shown in fig. 2, in the present invention, the operations of the positive electrode sheet and the negative electrode sheet after the coating is completed are identical, and therefore, the sheet making apparatus 11 in the present invention includes two batching parts 111 and a preparing part 112, and therefore, when the batching part 111 batches positive and negative electrodes, respectively, and the positive electrode sheet and the negative electrode sheet are simultaneously prepared in the preparing part 112. Therefore, the positive electrode tab and the negative electrode tab are further completely prepared after the completion of the compounding, while the positive electrode tab and the negative electrode tab are simultaneously prepared in the preparation part 112.
Specifically, the ingredient part 111 and the preparation part 112 are convergently connected such that the two ingredient parts 111 are converged into the preparation part 112 and the materials disposed in the two ingredient parts 111 can simultaneously enter the preparation part 112 to be prepared. The preparation part 112 operates the positive electrode tab and the negative electrode tab simultaneously, thereby improving preparation efficiency. Specifically, the batching member 111 is used for coating the positive electrode tab and the negative electrode tab when the coating of the positive electrode tab and the negative electrode tab is completed, respectively. Note that the batching member 111 is used to coat both sides of the raw material with the positive electrode material and the negative electrode material.
Preferably, the preparation part 112 simultaneously receives the positive electrode tab and the negative electrode tab of the two batching parts 111, the preparation part 112 is provided with two guide rails 113 in parallel, wherein the two material taking units 111 are connected with the guide rails 113, wherein the positive electrode tab and the negative electrode tab are respectively placed on the guide rails 113, and therefore, the positive electrode tab and the negative electrode tab are transferred to the guide rails 113 of the preparation part 112 through the material taking units 111.
It is to be understood that the positive electrode sheet and the negative electrode sheet made by the sheet making device 11 are wound in the winding device 12, and before winding, a baking device 15 is provided between the winding device 12 and the sheet making device 11, and the baking device 15 bakes the positive electrode sheet and the negative electrode sheet so that the positive electrode sheet and the negative electrode sheet can be in a degree suitable for winding.
Therefore, the winding device 12 can wind the positive electrode sheet and the negative electrode sheet so that the positive electrode sheet and the negative electrode sheet are wound to form a cell prototype. And baking the wound cell prototype, wherein the baking device 15 is used for baking the wound cell prototype.
Preferably, the winding operation of the winding device 12 is divided into the following steps: dust absorption, top seal, side seal and opening. After the above steps are completed, the winding device 12 completes the winding of the cell prototype.
After the cell prototype is baked by the baking device 15, the cell prototype is transferred to the assembling device 13 for assembling, after the assembling is completed, the testing device 14 tests the assembled cell, and after the testing is completed, the polymer cell is completed.
The above process is a manufacturing process of the polymer battery cell, and the above process may be performed manually and monitored, and in another embodiment, the polymer battery cell manufacturing system may also perform automatic manufacturing.
Specifically, the polymer cell manufacturing system completes the manufacturing of the polymer cell manufacturing system, wherein the polymer cell manufacturing system further comprises a control system 2, wherein the control system 2 completes the automatic control of other devices.
When the control system controls all devices in the polymer cell manufacturing system, the control system 2 may automatically output control signals to control the manufacturing of the polymer cells.
It can be appreciated that the raw material of the polymer battery cell needs to be baked in the baking device 15, preferably, the baking conditions of the baking device 15 are that the conductive agent is baked at 120 ℃ for 4 hours, the anode binder is baked at 85 ℃ for 4 hours, and the baking device 15 is stored at 45 ℃ for use of ingredients after baking.
Accordingly, after the toasting device 15 completes the toasting of the stock material, a start signal may be generated so that the sheeting device 11 may begin the sheeting operation for the stock material and so that the sheeting device 11 and the toasting device 15 may complete an interactive combination operation via the control system 2. The sheet making apparatus 11 includes a two-component preparing section 111 and the preparing section 112, wherein the operation of the preparing section 112 is further completed after the unit 111 for compounding completes the arrangement of the raw material.
Specifically, the operation of preparing the part 112 includes operations of coating the positive and negative electrodes on both sides of the raw material, continuously rolling, cutting, ultrasonic welding, tab taping, etc., and thus includes a coating part, a rolling part, a cutting part, an ultrasonic welding part, and a taping part in the preparing part 112. Thus, the preparation unit 112 performs the above operations sequentially, and the order of the operations of the above units is: coating, rolling, cutting, ultrasonic welding, rubberizing and the like. Therefore, after the preparation component 112 completes the above operations, a baking signal may be generated, and the control system 2 acquires the baking signal and transmits the baking signal to the baking device 15, so that the baking device 15 bakes the cell prototype after the preparation component 112 is prepared.
It is noted that the first bake allows the raw materials to be properly configured and the second bake allows the cell prototype after fabrication to be properly wound. Thus, the specific contents of the two said toasting signals are different, as the two toasting operations are different.
The baking device 15 bakes the cell prototype, and when baking is completed, the cell prototype needs to be cooled, specifically, the cell prototype needs to be cooled to below 45 ℃. After the cell prototype is baked and cooled, a start signal is generated, the cell prototype is transmitted to the assembling device 13 for assembling, the assembling device 13 can assemble the cell prototype, and the assembling process is divided into two processes.
As shown in fig. 3, in particular, the assembling device 13 has a shaping part 131, and the shaping part 131 is disposed between two processes, wherein one process is an encapsulation process, and an encapsulation process is performed before the shaping part 131, and the other process is a welting process, and a welting process is performed after the shaping part 131. Between the packaging process and the edge pasting process, the shaping component 131 clamps the battery cell for baking.
It is understood that the assembling device 13 further has a packaging component 132 and a configuration component 133, wherein the packaging component 132 is used for packaging the cell prototype which is wound by the winding device 12 and baked, and then placing the cell prototype in the shaping component 131, and the shaping component 131 is baked by the baking device 15, and when the baking is completed, the cell prototype is welted, and then the manufacturing of the polymer cell is completed.
Preferably, the encapsulating step of the encapsulating member 132 is: filling, first packaging, aging, core pressing, second packaging, and trimming, and when packaging is completed, the cell prototype is placed in the shaping tool 131 and placed in the baking device 15. The configuration step of the configuration component 133 is: the battery cell manufacturing method comprises the following steps of high-temperature aging, voltage and capacity configuration, tab configuration, glue edge configuration and the like, when configuration is completed, the battery cell can be manufactured, and code spraying is carried out, so that the battery cell can leave a factory.
The shaping part 131 between the above two processes needs to complete the baking under the baking of the baking device 15. Therefore, the shaping component 131 has a specific baking signal in the baking device 15, so that the battery cell clamped by the shaping component 131 completes the specific baking.
It can be understood that the shaping component 131 includes a plurality of shaping unit sets, and the shaping unit sets are connected in parallel and perform the cell hot-press shaping simultaneously. The shaping unit group comprises a motor, a limiting pressing structure, a driving plate, a spring and a plurality of pressing plates, wherein the motor and the limiting pressing structure are fixed on the driving plate, a plurality of positioning columns are arranged on the spring plate, the positioning columns penetrate through the driving plate, the spring sleeves are arranged outside the positioning columns, two ends of the spring are respectively abutted against the driving plate and between the spring plates, one surface of the spring plate is in contact with the spring, the other surface of the spring plate is in contact with the plurality of pressing plates, the driving plate presses the plurality of pressing plates downwards, and the spring plate drives the plurality of pressing plates to press and hold the polymer battery cells between the pressing plates for hot-pressing shaping. In the shaping component 131, the motor drives the drive plate to start to rise through the limiting pressing structure, the drive plate drives the spring plate to rise, the pressing plate is slowly opened in the rising process, the shaped polymer battery cell is unloaded at this time, then the polymer battery cell to be produced is placed between the pressing plates, after the battery cell is placed, the motor is started again, the limiting pressing structure drives the drive plate to press down, the pressing plates are driven by the spring plate to compress tightly, and a spring is arranged between the drive plate and the spring plate to keep the pressure balance. The invention realizes the up-and-down movement of the pressing plate by the motor, automatically controls the pressure, has good consistency of the thickness of the shaped battery cell, is convenient to operate, greatly improves the production efficiency, and is suitable for being widely applied to the actual production process.
Preferably, in another implementation manner of this embodiment, the shaping component 131 further includes a support, the support is composed of a plurality of support plates and a plurality of support columns, the edge positions of the drive plate and the spring plate are both provided with a plurality of positioning holes adapted to the support columns, the support plates are fixed on the support columns and divide the support into a plurality of accommodating spaces, and a plurality of shaping unit sets are fixed in the accommodating spaces. The supporting plate and the supporting columns provide enough accommodating space for the shaping unit group, so that the shaping unit group is convenient to mount and carry. In this embodiment, spacing structure of pushing down includes limit control switch, screw rod and sprocket area, and limit control switch symmetry is seted up on the drive plate, and sets up the displacement through-hole of taking the internal screw thread on the limit control switch, the screw rod is fixed in the backup pad and pass the displacement through-hole and with internal thread looks adaptation, the sprocket area is connected with the motor and encircles the surface drive in the displacement through-hole is rotatory. The screw rod is fixed on the supporting plate and does not move, the motor drives the chain wheel belt to operate, the chain wheel belt drives the displacement through hole to rotate, relative movement is achieved between the internal thread and the external thread, and then the displacement through hole drives the driving plate to move downwards. The process is a mechanical downward moving process, and does not need a worker to perform downward pressing operation, so that the process steps are simplified, and the downward pressing and shaping process is quicker and simpler.
In this embodiment, the shaping unit group further includes a plurality of connecting columns, one end of each connecting column is provided with a protrusion fixing position and is fixedly connected with a side wall of one pressing plate, the other end of each connecting column is provided with a limiting long groove and is movably connected with a side wall of the other pressing plate, the side wall of each pressing plate is fixedly connected with the plurality of connecting columns, and the side wall of each pressing plate is also movably connected with the plurality of connecting columns. The pressing plates are connected through a plurality of connecting columns, so that the pressing plates can be pressed downwards to a certain degree, and the pull-up range of the pressing plates is limited to a certain extent.
In this embodiment, the shaping component 131 further includes a main control board, the main control board is disposed on the outer surface of the baking device 15, the bracket and the plurality of shaping unit sets are all accommodated in the baking device 15, the motor is electrically connected to the main control board, the opening doors are disposed on two symmetrical surfaces of the baking device 15, and the polymer battery cells are simultaneously assembled and disassembled from two sides of the baking device 15. The support is fixed in the baking device 15, and the polymer battery cores are simultaneously assembled and disassembled only through the symmetrically arranged opening doors, so that the production efficiency can be greatly improved.
In this embodiment, the shaping unit set further includes a pressure sensor and a wire installing slot, the pressure sensor is disposed on the spring plate and contacts with the spring, the wire installing slot is fixed on the driving plate, the pressure sensor is electrically connected with the main control board, and wires in the baking device 15 are all transmitted to the main control board through the wire installing slot. The pressure sensor can feed back the pressure value of pressing down to the main control board at any time in a setting mode, so that the pressing down can be stopped in time when the maximum pressure value is preset, and the pressing down deformation condition is avoided. The particular way in which the apparatus operates is that the shaping module is mounted inside said baking device 15, so that it is not necessary to carry the shaping module. The motor for adjusting the tightness of the pressing plate on the shaping module drives the chain belt to drive the screw rod to move, so that the pressure of the pressing plate is automatically adjusted through electric control. The baking device 15 is manufactured to be a double-door split type, so that the battery cells can be assembled and disassembled at two sides simultaneously. Further, the doors on the two sides of the baking device 15 are opened, the main control board controls the motor of the shaping module to start rotating, the screw is driven to rotate through the chain belt, the driving board starts to rise, the driving board drives the spring plate to rise, and the pressing plate is slowly opened in the rising process. When the driving plate rises to a certain distance and meets the end part of the limit long groove, the automatic stop is realized.
At this time, the shaped battery cell can be detached, and then the polymer battery cell to be produced is placed between the pressing plates, and the two sides of the polymer battery cell can be placed at the same time. After the battery core is arranged, the main control board starts a pressing instruction, the pressing plate can be pressed under the driving of the motor, and a spring is arranged between the driving plate and the spring plate to keep pressure balance. And automatically stopping when the pressure sensor reaches the set pressure. Finally, the baking device 15 is turned off and heating and shaping are started.
In the above process, for the step of performing the baking operation on the shaping component 131 in the baking device 15, the cell prototype in the shaping component 131 can be configured properly through the baking of the baking device 15. After baking is complete, the cell prototype is configured to complete the fabrication of the cell.
It should be appreciated that the testing device 14 tests the polymer cell during its manufacture and derives a test signal when the polymer cell is manufactured. The testing device 14 tests the yield of the current manufacturing process in such a way that the manufacturing process is known.
Specifically, during the winding process of the winding device 12, the test device 14 tests the winding process, wherein the test is whether the test is short-circuited, and therefore, when the test device 14 completes the test, a start signal is generated, or when the test result is failed, a problem signal is generated.
During the packaging process of the packaging component 132, the testing device 14 performs an in-packaging test, where the test content is a voltage of the wound cell prototype. Thus, a start signal is generated when the test device 14 completes the test, or a problem signal is generated when the test result is a fail.
During the configuration process of the configuration component 133, the testing device 14 performs a test during the configuration process, where the test content is the thickness and appearance of the cell prototype after the test packaging. Therefore, when the testing device 14 completes the testing, an end signal is generated. Or when the test result is not qualified, a problem signal is generated.
In the above process, the testing device 14 tests the manufacturing process of the polymer battery cell, so that the testing yield of the polymer battery cell can be known in the manufacturing process of the polymer battery cell.
The control system 2 of the polymer cell manufacturing system can control the sheet making device 11, the winding device 12, the assembling device 13, the testing device 14 and the baking device 15, and the control system 2 completes the manufacturing and testing of the polymer cells.
In the above embodiment, it can be understood that the baking device 15 includes a material tank, a baking tray and an oven, and the specific baking process of the baking device 15 is as follows: the polymer battery cell baking tray comprises a baking tray body, a polymer battery cell is arranged on the baking tray body, a battery cell air bag is arranged in the material groove of the baking tray body upwards to enable two sides of the polymer battery cell to be in contact with the side wall of the material groove, the baking tray comprises the baking tray body, a plurality of separating steps are arranged in the baking tray body at intervals, the inner portion of the baking tray body is divided into a plurality of independent spaces through the separating steps, the material groove is further formed in the spaces, and preferably, the baking tray body. And then placing the baking tray in the oven, heating to a set baking temperature for constant-temperature baking, wherein a preset baking temperature and baking time are set according to different operation steps, and vacuumizing the oven after heating. And after baking, injecting nitrogen into the oven to enable the absolute vacuum value of the pressure in the oven to become zero, cooling the oven by adopting a water cooling mode, and taking out the polymer battery cell to finish baking when the temperature in the oven is reduced to be suitable for taking out.
Preferably, the polymer cells may be disposed in a cell pouch and placed together in the oven for baking. The baking temperature and the baking time of the baking device 15 can be set by the control system 2.
As shown in fig. 4, the present invention further provides a polymer cell manufacturing process, which comprises the following steps:
the flow 001: the raw materials are baked, and then the mixture is baked,
the flow 002: after baking is finished, the material mixing component 111 respectively performs anode and cathode material mixing on the raw materials;
scheme 003: after the material preparation is completed, the preparation part 112 respectively prepares raw materials to prepare the positive plate and the negative plate;
scheme 004: after the preparation is finished, baking the positive plate and the negative plate;
a flow 005: after baking is completed, the winding device 12 winds the positive plate and the negative plate;
flow 006: after the winding is finished, baking the battery cell prototype;
scheme 007: after baking, the packaging component 132 packages the cell prototype;
the process 008: after the encapsulation is completed, the prototype of the battery cell is placed on the shaping component 131, and then is baked in the baking device 15;
flow 009: and after baking is finished, taking out the battery cell prototype, configuring the battery cell prototype, and finishing the overall manufacturing after the configuration is finished.
From the above process, it can be understood that the test device 14 performs the test during the procedures 005, 007, 009.
It will be appreciated that the test unit 14 and the toasting unit 15 are controllably operable in the control system 2. The control system 2 comprises an operation unit 21, a configuration unit 22 and a detection unit 23, wherein the operation unit 21 is used for executing manufacturing operation, the configuration unit 22 is used for processing and outputting corresponding operation content, and the detection unit 23 is used for testing product quality in the operation process.
The operation unit 21 communicatively connects the sheet making device 11 and the baking device 15, and the operation unit 21 can control the manufacturing operation of the sheet making device 11, in which the cell material needs to be baked before the sheet making device 11 starts and after the sheet making device 11 ends.
It should be noted that, when the polymer battery cell manufacturing system inputs a start signal, the configuration unit 22 is configured to input a baking signal to the baking device 15, and the baking device 15 bakes the raw material.
After the baking device 15 finishes baking, the baking device 15 outputs a baking completion signal, the baking completion signal is input to the configuration unit 22, the configuration unit 22 is controllably connected to the operation unit 21, the configuration unit 22 generates a control signal, the operation unit 21 transmits the control signal to the sheet making device 11, the sheet making device 11 finishes preparation of raw materials, and the raw materials are prepared to further make the positive plate and the negative plate. When the production by the production device 11 is completed, a production completion signal is output. The sheeting completion signal is input to the configuration unit 22, the configuration unit 22 processes the sheeting completion signal and configures a baking signal, the baking signal is input to the baking device 15, and the baking device 15 bakes the positive plate and the negative plate.
The operating unit 21 further communicatively connects the winding device 12 and the mounting device 13, the operating unit 21 being capable of controlling the winding device 12 and the mounting device 13. After the baking device 15 finishes baking, the baking device 15 outputs a baking completion signal, the baking completion signal is input to the configuration unit 22, the configuration unit 22 processes the baking completion signal and outputs a winding signal, the winding signal is transmitted to the winding device 12 through the operation unit 21, wherein the winding device 12 executes the winding signal to complete the winding operation for the positive electrode sheet and the negative electrode sheet, and generates a winding completion signal after the winding device 12 completes the winding operation.
On the other hand, the detecting unit 23 is communicatively connected to the testing device 14, and when the winding device 12 finishes winding the positive electrode sheet and the negative electrode sheet, a winding completion signal is generated, the winding completion signal is transmitted to the detecting unit 23, the detecting unit 23 generates a test signal, the test signal is transmitted to the testing device 14, and the testing device 14 executes the test signal to test the wound battery cell prototype.
After the winding device 12 completes the winding operation, the winding completion signal is generated and transmitted to the configuration unit 22, the configuration unit 22 processes the winding completion signal and outputs a baking signal, the baking signal is transmitted to the baking device 15, and the baking device 15 bakes the wound electric core prototype.
When the baking device 15 completes the baking operation of the cell prototype, the baking device 15 outputs a baking completion signal, the baking completion signal is transmitted to the configuration unit 22, and the configuration unit 22 processes the baking completion signal and outputs a packaging signal. The configuration unit 22 is communicably connected to the operation unit 21, the operation unit 21 transmits the packaging signal to the packaging component 132 of the assembly device 13, and the packaging component 132 executes the packaging signal to complete packaging of the cell prototype.
After the packaging component 132 finishes packaging, the packaging component 132 outputs a packaging completion signal, the packaging completion signal is transmitted to the configuration unit 22, the configuration unit 22 processes the packaging completion signal and outputs a baking signal, the baking signal is transmitted to the baking device 15, and the baking device 15 bakes the packaged electric core prototype.
Simultaneously, the packaging completion signal is transmitted to the detection unit 23, the detection unit 23 generates a test signal, the test signal is transmitted to the testing device 14, and the testing device 14 executes the test signal to test the packaged cell prototype.
When the baking device completes the baking operation of the cell prototype, the baking device 15 outputs a baking completion signal, the baking completion signal is transmitted to the configuration unit 22, the configuration unit 22 processes the baking completion signal and outputs a configuration signal, the configuration unit 22 is communicably connected to the configuration component 133 of the assembly device 13, and the configuration component 133 executes the configuration signal to complete the configuration operation of the cell prototype.
After the configuration component 133 completes the configuration, the configuration component 133 outputs a configuration completion signal, the configuration completion signal is transmitted to the detection unit 23, the detection unit 23 generates a test signal, the test signal is transmitted to the testing device 14, and the testing device 14 executes the test signal to test the configuration operation of the cell prototype that is configured.
When testing is complete, fabrication of the polymer cell is complete. Simultaneously, the polymer cells complete all tests.
As shown in fig. 5 and 6, in particular, the detecting unit 23 includes an obtaining module 231, a judging module 232 and an outputting module 233, the obtaining module 231 is communicatively connected to the manufacturing apparatus 1 to obtain one of a production completion signal, a winding completion signal, a packaging completion signal and a configuration completion signal, and the outputting module 233 outputs a test signal, and the test signal is transmitted to the testing device 14. When the testing device 14 completes the testing, the testing device outputs a testing completion signal, which is transmitted to the determining module 232 of the detecting unit 23,
when the determining module 232 of the testing apparatus further determines whether the operation unit is qualified, if so, a qualified signal is output from the output module 232, the configuration unit 22 continues the manufacturing operation if acquiring the qualified signal, and if not, an unqualified signal is output from the output module 233, and if acquiring the unqualified signal, the configuration unit 22 controls the operation unit to stop the current operation.
According to the above process, the present invention further provides a manufacturing method comprising the steps of:
(a) baking the raw materials to a degree suitable for compounding;
(b) executing the sheet making signal to complete the preparation of the positive plate and the negative plate and further baking;
(c) executing the winding signal to complete the winding of the cell prototype, and further baking;
(d) executing the packaging signal to complete the packaging of the cell prototype, and further baking; and
(e) the configuration signals are executed to complete the configuration of the cell prototype, i.e., to complete the fabrication of the polymer cell.
The method further comprises the following steps:
(c1) testing whether short circuit occurs in the winding process;
(d1) in the packaging process, whether the voltage is qualified is tested; and
(e1) and in the configuration process, whether the appearance and the thickness are qualified or not is tested.
Further, the method also comprises the following steps:
(c10) when the judgment result is qualified, outputting a qualified signal and continuing the manufacturing process, and when the judgment result is unqualified, outputting an unqualified signal and stopping the manufacturing process;
(d10) when the judgment result is qualified, outputting a qualified signal and continuing the manufacturing process, and when the judgment result is unqualified, outputting an unqualified signal and stopping the manufacturing process;
(e10) when the judgment result is qualified, outputting a qualified signal and continuing the manufacturing process, and when the judgment result is unqualified, outputting an unqualified signal and stopping the manufacturing process;
it will be appreciated by persons skilled in the art that the embodiments of the invention described above and shown in the drawings are given by way of example only and are not limiting of the invention. The objects of the invention have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the examples, and any variations or modifications of the embodiments of the present invention may be made without departing from the principles.
Claims (20)
1. A polymer cell manufacturing system, comprising:
a control system;
a manufacturing facility, the control system communicatively coupled to the manufacturing facility to control the manufacturing facility to complete the manufacture of the polymer cells; and
the control system controls the testing device and tests the battery cell in the process of manufacturing the manufacturing equipment, wherein the manufacturing equipment comprises a sheet manufacturing device, the sheet manufacturing device comprises two batching parts and a preparation part, wherein the two batching parts are connected with the preparation part in a gathering mode, the two batching parts are used for batching positive and negative poles respectively, and the preparation part is used for preparing the positive pole piece and the negative pole piece simultaneously.
2. The polymer cell manufacturing system of claim 1, wherein the control system comprises a testing unit communicatively coupled to the testing device to control the testing device to perform a test.
3. The polymer cell manufacturing system of claim 2, wherein the manufacturing apparatus further comprises a baking device that bakes the baking of the cells manufactured by the manufacturing apparatus.
4. The polymer cell manufacturing system of claim 3, wherein the manufacturing apparatus comprises: the production device, the control system is communicatively connected with the production device;
a winding device to which the control system is communicatively connected, the sequence of operation of the winding device being subsequent to the sheeting device; and
a set-up device to which the control system is communicatively connected, the sequence of operation of the set-up device following the winding device.
5. The polymer cell manufacturing system of claim 4, wherein the control system further comprises an operating unit and a configuration unit, wherein the configuration unit is communicatively coupled to the operating unit, and the operating unit is communicatively coupled to the manufacturing equipment to control the manufacturing equipment to complete the preparation.
6. The polymer cell manufacturing system of claim 5, wherein the configuration unit receives and processes operating signals of the manufacturing equipment, and controls the operating unit to perform operations of the manufacturing equipment, and controls the testing unit to perform testing of cells prepared by the manufacturing equipment.
7. The polymer cell manufacturing system of claim 6, the configuration unit outputting a baking signal to control the baking device to bake a raw material when the polymer cell manufacturing system is started.
8. The polymer battery cell manufacturing system of claim 7, wherein when the batching component of the sheet making device completes batching of the positive electrode and the negative electrode respectively, the preparing component further has two guide rails, wherein the two batching components respectively converge on the two guide rails of the preparing component to complete preparing of the positive electrode sheet and the negative electrode sheet.
9. The polymer battery cell manufacturing system of claim 8, wherein when the sheet manufacturing device completes manufacturing of the positive and negative electrode sheets, i.e., generates a sheet manufacturing completion signal, the sheet manufacturing completion signal is transmitted to the configuration unit, and the configuration unit processes the sheet manufacturing completion signal and configures a baking signal to control the baking device to bake the positive and negative electrode sheets.
10. The polymer battery cell manufacturing system of claim 9, wherein after the baking device completes baking of the positive electrode sheet and the negative electrode sheet, the baking device outputs a baking completion signal, the baking completion signal is transmitted to the configuration unit, the configuration unit processes and outputs a winding signal, and the operation unit executes the winding signal to control the winding device to complete preparation of the positive electrode sheet and the negative electrode sheet.
11. The polymer cell manufacturing system of claim 10, wherein the assembly device comprises an encapsulation component and a configuration component, wherein the encapsulation component and the configuration component are both communicatively coupled to the operating unit.
12. The polymer cell manufacturing system of claim 11, wherein when the configuration unit outputs a packaging signal, the configuration unit is communicatively coupled to the operation unit to control the packaging component to complete winding of the prototype cell.
13. The polymer battery cell manufacturing system of claim 12, wherein a package complete signal is output when the package component is completely packaged, the package complete signal is transmitted to the configuration unit, and the configuration unit processes the package complete signal and outputs a baking signal to control the baking device to bake the packaged battery cell prototype.
14. The polymer cell manufacturing system of claim 13, wherein when the baking device completes baking of the cell prototype, the baking device outputs a baking complete signal, the baking complete signal is transmitted to the configuration unit, the configuration unit processes and outputs a configuration signal, and the configuration unit is communicatively connected to the operation unit to control the configuration component to configure the baked cell prototype.
15. The polymer cell manufacturing system of claim 13, wherein when the assembly device further comprises a shaping component, the operation unit is operatively connected to the shaping component, and when the configuration unit processes and outputs a baking signal, the operation unit controls the shaping component to grip the encapsulated cell prototype for baking in the baking device.
16. The polymer cell manufacturing system of any of claims 5-15, wherein the testing unit includes an acquisition module, a determination module, and an output module, the acquisition module and the output module each communicatively coupled to the manufacturing equipment to acquire one of a production complete signal, a winding complete signal, a packaging complete signal, and a configuration complete signal therein, the output module outputting a test signal, and the test signal transmitted to the testing device for testing.
17. The polymer battery cell manufacturing system of claim 16, wherein after the testing device completes testing, the testing device outputs a test completion signal and transmits the test completion signal to the determination module, the determination module further determines whether the test completion signal is acceptable, and when the test completion signal is acceptable, an acceptable signal is output at the output module, the configuration unit continues manufacturing operations when the configuration unit obtains the acceptable signal, and when the test completion signal is unacceptable, an unacceptable signal is output at the output module, and the configuration unit obtains the unacceptable signal and controls the operation unit to stop current operations.
18. A method of making a polymer cell, comprising:
(a) baking the raw materials to a degree suitable for blending;
(b) executing a sheet making signal through a sheet making device to complete the preparation of a positive plate and a negative plate and further baking, wherein the sheet making device comprises two batching parts and a preparation part, two batching parts are connected with the preparation part in a gathering mode, the two batching parts respectively batch positive and negative electrodes, and the preparation part simultaneously prepares the positive plate and the negative plate;
(c) executing a winding signal to complete the winding of the cell prototype, and further baking;
(d) executing a packaging signal to complete the packaging of the cell prototype, and further baking; and
(e) a configuration signal is executed to complete the configuration of the cell prototype, i.e., to complete the fabrication of the polymer cell.
19. The method of manufacturing a polymer cell of claim 18, comprising the steps of:
(c1) testing whether short circuit occurs in the winding process;
(d1) in the packaging process, whether the voltage is qualified is tested; and
(e1) and in the configuration process, whether the appearance and the thickness are qualified or not is tested.
20. The method of manufacturing a polymer cell of claim 19, comprising the steps of:
(c10) when the judgment result is qualified, outputting a qualified signal and continuing the manufacturing process, and when the judgment result is unqualified, outputting an unqualified signal and stopping the manufacturing process;
(d10) when the judgment result is qualified, outputting a qualified signal and continuing the manufacturing process, and when the judgment result is unqualified, outputting an unqualified signal and stopping the manufacturing process; and
(e10) when the judgment result is qualified, a qualified signal is output, and the manufacturing process is continued, and when the judgment result is unqualified, an unqualified signal is output, and the manufacturing process is stopped.
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| CN103236559B (en) * | 2013-05-16 | 2015-05-13 | 东莞市雅康精密机械有限公司 | Plate producing and winding control system |
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