CN105762419A - Device for manufacturing wound type laminated battery monomer electrode component - Google Patents
Device for manufacturing wound type laminated battery monomer electrode component Download PDFInfo
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- CN105762419A CN105762419A CN201610301212.2A CN201610301212A CN105762419A CN 105762419 A CN105762419 A CN 105762419A CN 201610301212 A CN201610301212 A CN 201610301212A CN 105762419 A CN105762419 A CN 105762419A
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- electrode assemblie
- monomer electrode
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- adhesivity
- barrier film
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- 239000000178 monomer Substances 0.000 title claims abstract description 115
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000007731 hot pressing Methods 0.000 claims abstract description 116
- 230000007246 mechanism Effects 0.000 claims abstract description 69
- 238000005520 cutting process Methods 0.000 claims abstract description 25
- 230000004888 barrier function Effects 0.000 claims description 89
- 230000002146 bilateral effect Effects 0.000 claims description 73
- 238000003825 pressing Methods 0.000 claims description 45
- 238000010422 painting Methods 0.000 claims description 19
- 230000009471 action Effects 0.000 claims description 9
- 238000001179 sorption measurement Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 abstract description 5
- 230000001070 adhesive effect Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 9
- 230000000712 assembly Effects 0.000 description 7
- 238000000429 assembly Methods 0.000 description 7
- 238000004804 winding Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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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
- H01M10/0583—Construction or manufacture of accumulators with folded construction elements except wound ones, i.e. folded positive or negative electrodes or separators, e.g. with "Z"-shaped electrodes or separators
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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
- H01M10/0409—Machines for assembling batteries for cells with wound electrodes
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention relates to a device for manufacturing a wound type laminated battery monomer electrode component. The device comprises conveying mechanisms, tension mechanisms, hot-pressing mechanisms and cutting mechanisms, wherein the conveying mechanisms are used for sucking pole pieces or monomer electrode components from a feeding tank and used for adhering the pole pieces or the monomer electrode components on two sides of two-side glued adhesive diaphragms; the tension mechanisms are used for maintaining certain tension for the two-side glued adhesive diaphragms and maintaining intermittent movement of the two-side glued adhesive diaphragms; the hot-pressing mechanisms are used for applying thermal and force load to surfaces of the pole pieces or the monomer electrode components; the cutting mechanisms are used for cutting off the two-side glued adhesive diaphragms so as to be dissociated from newly formed monomer electrode components after hot-pressing is completed. By adoption of the device, precise adhesion and connection hot-pressing of the pole pieces or the monomer electrode components are achieved, and the quality of a battery is greatly improved.
Description
Technical field
The present invention relates to takeup type laminated batteries technical field, be specifically related to the manufacture device of a kind of takeup type laminated batteries monomer electrode assemblie.
Background technology
Aggravation along with oil crisis and environmental pollution; people turn one's attention to clean energy resource field gradually; have running voltage height, energy density is big, have extended cycle life, environment friendly and pollution-free lithium secondary battery receives much attention; it is widely used in the different field such as computer, mobile phone, electric automobile, life has occupied leading position gradually.
Secondary cell mainly by have anode pole piece, barrier film, cathode pole piece structure electrode assemblie constitute, electrode assemblie can be divided into wound-type module and stacked assembly.The preparation method of wound-type module is as follows: be first coated uniformly in the metal forming of collector using electrode active material, through super-dry, roll, cut operation and respectively obtain the banding anode pole piece and cathode pole piece with desired width, be wound when barrier film is placed between positive and negative electrode pole piece.Stacked assembly is the positive and negative electrode pole piece first obtaining specified width, which width and length, and the two is isolated with barrier film, namely carries out continuous stacking according to the structure of anode pole piece/barrier film/cathode pole piece.
But, there are the following problems for conventional electrodes assembly: coiled electrode assemblies, owing to the cross section of electrode assemblie is circular or oval, during the discharge and recharge of battery, the gap that the expansion of electrode and contraction may result between electrode is uneven, thus causing battery performance to decline；Although coiled electrode assemblies is applicable to cylindrical battery, but when it applies to angle-style or pouch-type battery, arise that pole piece is easily in rupture, the defect such as electrode active material comes off, space availability ratio is low；This electrode assemblie front is inconsistent with the tension force of side, can cause that internal-response is uneven；Also have pole piece big compared with long, the internal resistance of cell simultaneously, be unfavorable for high rate charge-discharge, the shortcomings such as specific power is little.Stacked electrode assemblie, the preparation process of this electrode assemblie is complicated, it is necessary to plenty of time and energy carry out the stacking process of execution sequence, not easily realize mechanized operation, and production efficiency is low；Pole piece needs die-cut, and rim charge and the section of generation are more, easily pierce through barrier film, cause internal short-circuit of battery etc..
In order to solve the problems referred to above, having been developed that a kind of takeup type laminar electrodes assembly, it is coiled electrode assemblies and the coalition of stacked electrode assemblie.The preparation process of takeup type laminar electrodes assembly is as follows: by having several anode pole pieces of preliminary dimension, bilateral is coated with adhesivity barrier film, cathode pole piece and is placed under the state between positive and negative electrode pole piece according to viscosity barrier film to carry out hot-pressing processing, obtain monomer electrode assemblie；Monomer electrode assemblie is sequentially placed in order and is wound on the viscosity barrier film of unilateral gluing, just obtain takeup type laminar electrodes assembly.Takeup type laminar electrodes assembly is prone to mechanized operation and laminar electrodes assembly internal resistance is little, be beneficial to high rate charge-discharge, on size advantage basis flexibly, also compensate for the defect of the two greatly inheriting coiled electrode assemblies.The winding method of current takeup type laminar electrodes assembly is again similar to coiled electrode assemblies: is wound around first monomer electrode assemblie of holder and rotates, each monomer electrode assemblie is made to realize when being isolated by barrier film stacking gradually, until completing the winding in a cycle.
But, there are two notable defects in above-mentioned winding method: one, being wound around fixture has upper and lower two clamping plates, what contact with every piece of clamping plate above and below is the surface of monomer electrode assemblie, barrier film respectively, owing to the coefficient of friction between different materials is different, every piece of clamping plate frictional force on upper and lower surface in extraction also differs, thus causing core unbalance stress and deforming；When the winding tension of material strip is excessive, there is also the phenomenon that clamping plate are difficult to extract out.Two, owing to the tension force of material strip is wayward, the cross section of the produced core of above-mentioned winding method easily presents ellipse, causes the space between monomer electrode assemblie relatively big, contacts not tight.The notable defect of above-mentioned two all can cause final deterioration of cell properties.
Therefore, the manufacture device of a kind of takeup type laminated batteries monomer electrode assemblie that can simultaneously overcome above-mentioned various defect, lifting battery manufacture quality it is badly in need of.
Summary of the invention
It is an object of the invention to provide the manufacture device of a kind of takeup type laminated batteries monomer electrode assemblie, this device is capable of the accurate bonding of pole piece or monomer electrode assemblie, connect hot pressing, when the bilateral painting adhesivity barrier film being bonded with pole piece or monomer electrode assemblie is carried out hot pressing by continuous print, not only can realize the proper alignment of pole piece or monomer electrode assemblie, and the while that pole piece or monomer electrode assemblie can being kept relatively-stationary when hot pressing, each pole piece can also be discharged smoothly and bilateral is coated with the air between adhesivity barrier film, make the interior contact of the monomer electrode assemblie of formation after hot pressing tightr, even if still having good performance after long-term use, thus drastically increasing battery quality.
For achieving the above object, present invention employs techniques below scheme:
A kind of manufacture device of takeup type laminated batteries monomer electrode assemblie, including for extract from feed tank pole piece or monomer electrode assemblie and be bonded in bilateral be coated with adhesivity barrier film both sides feed mechanism, be used for making bilateral to be coated with adhesivity barrier film keeping certain tension force and make it keep the tension mechanism of intermittent movement, be used for the surface to pole piece or monomer electrode assemblie and apply the hot pressing mechanism of heat and power load and be used for after hot pressing completes cutting off bilateral and be coated with adhesivity barrier film so that its cutting mechanism departed from the monomer electrode assemblie being newly formed.
Further, described for extracting pole piece or monomer electrode assemblie from feed tank and being bonded in bilateral and be coated with the feed mechanism of both sides of adhesivity barrier film and include feed tank, be arranged on the runner above feed tank, be arranged on runner and along runner circumferencial direction several tentacles equally distributed and the sucker being arranged on tentacle outer end.Described feed tank includes casing, be arranged on casing in and with cabinet wall be slidably matched for flitch, be opened in casing apex suction groove and symmetry is opened in two lateral grooves of the left and right sides, casing upper end；It is connected to feed spring between described bottom and the feed tank bottom inside wall supplying flitch；Described adsorption tank communicates with lateral groove.
Further, described for making bilateral be coated with the adhesivity barrier film certain tension force of maintenance and make it keep the tension mechanism of intermittent movement to include being symmetricly set on the upper tension roller of the bilateral painting upper and lower both sides of adhesivity barrier film and lower tension roller, and the quantity of this tension mechanism is two sets.Tension mechanism in the present invention, for making bilateral be coated with the tension force that adhesivity barrier film keeps certain, in order to pole piece or the bonding of monomer electrode assemblie, hot pressing, also can realize bilateral simultaneously and be coated with the intermittent movement of adhesivity barrier film.
Further, described for the surface of pole piece or monomer electrode assemblie applied heat including heat pressing wheel with the hot pressing mechanism of power load, the be symmetricly set on heat pressing wheel action executing portion at axial two ends, the framework being set in upper end, action executing portion, the hot pressing slide block being connected with framework, be installed through in hot pressing slide block and the hot pressing guide rail coordinated with hot pressing skid, the hot pressing rocking bar being connected on hot pressing slider side wall and the hot pressing crank being rotatably assorted with hot pressing rocking bar.Described heat pressing wheel is provided with resistance wire.Being arranged with push rod spring on described push rod, and the upper end of this push rod spring is connected to the bottom of framework, lower end is connected to the top of sole piece.
Described action executing portion includes the U-shaped underframe that Open Side Down, sequentially pass through framework and the push rod at underframe top from top to bottom, embed the sole piece being arranged in underframe and being connected with push rod lower end, the strut being connected on sole piece and be rotatably assorted with sole piece, it is rotatably assorted with the lower end of strut and is connected to the support axle of heat pressing wheel axial end portion, the guide rod that two ends are rotatably assorted with underframe lower end sidewall and support axle respectively, it is set on guide rod and the two ends guide rod spring that underframe medial wall is connected with guide rod the inner respectively.
Along with moving down of hot pressing slide block, heat pressing wheel and the resistance wire on heat pressing wheel, pole piece or monomer electrode assemblie are applied heat and pressure.
Further, described it is coated with adhesivity barrier film so that cutting mechanism that itself and the monomer electrode assemblie that is newly formed depart from includes being arranged on bilateral and is coated with the cutting table below adhesivity barrier film and is separately positioned on bilateral and is coated with cut-off knife and the scanning equipment of adhesivity diaphragm for cutting off bilateral after hot pressing completes.The monomer electrode assemblie formed after hot pressing is sent to cutting table through upper tension roller and lower tension roller, when scanning equipment cannot capture pole piece, cut-off knife can rapid action, cut off bilateral and be coated with adhesivity barrier film, make monomer electrode assemblie and bilateral be coated with adhesivity barrier film and depart from.
The operation principle of the present invention and work process be:
Before utilizing the present invention to carry out the making of monomer electrode assemblie, it is necessary to obtain the positive and negative electrode pole piece of predefined size and it is placed in the feed tank of feed mechanism in certain direction, through bonding, hot pressing, cut and obtain monomer electrode assemblie afterwards.Takeup type laminated batteries monomer electrode assemblie owing to the present invention relates to can be coated with adhesivity barrier film by several anode pole pieces, bilateral, cathode pole piece hot pressing forms, therefore, the demand to the different stacking number of plies of monomer electrode assemblie pole piece/monomer electrode assemblie, monomer electrode assemblie/monomer electrode assemblie can be obtained new monomer electrode assemblie again through apparatus of the present invention, thus can be met.
In feed mechanism, runner rotates, and is evenly distributed with several tentacles along its circumference, and the end of each tentacle is equipped with sucker and this sucker is in suction condition all the time；Pole piece or monomer electrode assemblie are placed in feed tank, sucker draws it out and is bonded in by means of the rotary motion of runner bilateral and is coated with the side of adhesivity barrier film, owing to the both sides of bilateral painting adhesivity barrier film are required for bonding pole piece or monomer electrode assemblie, therefore the present invention needs two set feed mechanisms and lays respectively at the both sides of bilateral painting adhesivity barrier film.When starting to bond, neat in order to ensure the arranged on both sides that pole piece or monomer electrode assemblie are coated with adhesivity barrier film at bilateral, the original state of two set feed mechanisms to keep identical, and bonding position to be between two set tension roller, namely to guarantee that the pole piece being bonded on bilateral painting adhesivity barrier film or monomer electrode assemblie only could pass through tension roller after hot-pressing processing.
The present invention needs also exist for two set hot pressing mechanisms to complete pole piece or the hot pressing of monomer electrode assemblie, and hot pressing mechanism lays respectively at bilateral and is coated with the both sides of adhesivity barrier film.In hot pressing mechanism, hot pressing crank rotates and hot pressing guide rail keeps being completely fixed, hot pressing crank promotes hot pressing slide block along hot pressing guide rail movement by hot pressing rocking bar, along with moving down of hot pressing slide block, the heat pressing wheel of two set hot pressing mechanisms moves closer to the slow pole piece or monomer electrode assemblie extruding and being bonded in bilateral painting adhesivity barrier film both sides of waiting a moment.The present invention often overlaps hot pressing mechanism and is equipped with two heat pressing wheels, each heat pressing wheel is the combination of semicylinder and cuboid, the existing plane in hot pressing face thus making heat pressing wheel has again arc surface, first the central area of pole piece or monomer electrode assemblie is extruded by plane, can ensure that both will not occur relative movement to cause arrangement at random in course of exerting pressure, with hot pressing slide block continue move down, strut will drive heat pressing wheel to rotate, now arc surface starts to press from the center of pole piece or monomer electrode assemblie to both sides, it is achieved the smooth discharge of internal gas.
The monomer electrode assemblie formed after hot pressing is delivered to the cutting table of cutting mechanism by tension roller, only when scanning equipment first captures pole piece information then message interrupts, cut-off knife is meeting action, so that monomer electrode assemblie and bilateral are coated with adhesivity barrier film and realize departing from.Monomer electrode assemblie after cutting can also be placed in the feed tank of feed mechanism, again combines with pole piece or monomer electrode assemblie and carries out hot pressing, thus obtaining the monomer electrode assemblie of the different stacking number of plies.
The thickness of monomer electrode assemblie can increase along with the increase of its stacking number of plies, therefore when monomer electrode assemblie and pole piece or monomer electrode assemblie match with monomer electrode assemblie carry out hot pressing time, along with the increase being newly formed monomer electrode assemblie thickness, gradually step up the coefficient of elasticity of the temperature of heat pressing wheel, push rod spring and guide rod spring, so that hot pressing mechanism is provided that bigger heat and pressure, thus ensureing hot pressing effect.Owing to two overlap the concordance that hot pressing mechanism needs to keep moving, therefore the thickness being coated with between monomer electrode assemblie and pole piece or monomer electrode assemblie and the monomer electrode assemblie of adhesivity barrier film two-side adhesive at bilateral should keep identical as far as possible, should not differ bigger, bilateral otherwise can be caused to be coated with the deformation of adhesivity barrier film, thus affecting hot pressing quality.
The tension mechanism of the present invention can realize bilateral and be coated with the intermittent movement of adhesivity barrier film, the runner of feed mechanism keeps even rotary speed movement, when runner adsorb pole piece or monomer electrode assemblie move to tentacle vertical with bilateral painting adhesivity barrier film time, now bilateral is coated with adhesivity barrier film setting in motion, and movement velocity is consistent with pole piece or the linear velocity maintenance near the edge center place of bilateral painting adhesivity barrier film side of the monomer electrode assemblie；When the center superposition of center and the heat pressing wheel of pole piece or monomer electrode assemblie, bilateral is coated with adhesivity barrier film stop motion, and now hot pressing mechanism starts pole piece or monomer electrode assemblie are carried out hot-pressing processing；After hot pressing completes, heat pressing wheel is gradually distance from bilateral and is coated with adhesivity barrier film until apart from maximum, now runner absorption pole piece or monomer electrode assemblie just move to again tentacle and bilateral and are coated with that adhesivity barrier film is vertical to be located, and at this moment bilateral painting adhesivity barrier film setting in motion again and velocity amplitude are identical with above-mentioned speed；Heat pressing wheel also begins to move closer to bilateral painting adhesivity barrier film simultaneously, and after bilateral is coated with adhesivity barrier film stop motion, heat pressing wheel just touches pole piece or the surface of monomer electrode assemblie, starts the hot pressing in a new cycle.
From above technical scheme, the present invention is capable of the accurate bonding of pole piece or monomer electrode assemblie, connect hot pressing, when the bilateral painting adhesivity barrier film being bonded with pole piece or monomer electrode assemblie is carried out hot pressing by continuous print, not only can realize the proper alignment of pole piece or monomer electrode assemblie, and the while that pole piece or monomer electrode assemblie can being kept relatively-stationary when hot pressing, each pole piece can also be discharged smoothly and bilateral is coated with the air between adhesivity barrier film, make the interior contact of the monomer electrode assemblie of formation after hot pressing tightr, even if still having good performance after long-term use, thus drastically increasing battery quality.
Accompanying drawing explanation
Fig. 1 is the exemplary view of monomer electrode assemblie example arrangement in the present invention；
Fig. 2 is that in the present invention, monomer electrode assemblie is coated with the structural representation arranging bonding on adhesivity barrier film in one side；
Fig. 3 utilizes apparatus of the present invention that pole piece or monomer electrode assemblie are carried out the structural representation of hot-pressing processing；
Fig. 4 is the structural representation of apparatus of the present invention three-dimensional space layout；
Fig. 5 a is the structural representation of feed tank in the present invention；
Fig. 5 b is the use view of feed tank in the present invention；
Fig. 6 a is the structural representation of feed mechanism in the present invention；
Fig. 6 b is the structural representation of the feed mechanism not comprising feed tank in the present invention；
Fig. 6 c is the structural representation of tentacle in feed mechanism in the present invention；
Fig. 6 d is the structural representation of sucker in feed mechanism in the present invention；
Fig. 7 a is the structural representation (not comprising hot pressing crank, hot pressing rocking bar and hot pressing guide rail) of hot pressing mechanism in the present invention；
The partial structurtes schematic diagram that Fig. 7 b is hot pressing mechanism in the present invention (includes the local of framework, the local of hot pressing slide block, the local of push rod, the local of hot pressing guide rail, push rod spring, underframe, sole piece, strut, support axle, guide rod, guide rod spring；Do not comprise hot pressing crank and hot pressing rocking bar)
Fig. 8 is the structural representation of heat pressing wheel course of exerting pressure in the present invention；
Fig. 9 is the structural representation of tension mechanism in the present invention；
Figure 10 is the time dependent schematic diagram of movement velocity that in the present invention, bilateral is coated with adhesivity barrier film；
Figure 11 a and 11b is the structural representation of cutting mechanism in the present invention；
Figure 12 is the schematic diagram of the preferred hot pressing mode of different stacking pattern monomer electrode assemblies in the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described:
Fig. 1 and Fig. 2 is monomer electrode assemblie and be coated with the example arrangement exemplary view arranging bonding on adhesivity barrier film in one side in the present invention.Monomer electrode assemblie 104 is coated with adhesivity barrier film 101 by some layers of anode pole piece 100, bilateral, cathode pole piece 102 obtains through heat pressing process, Fig. 1 illustrates three kinds of typical unit structures that the monomer electrode assemblie suitable in apparatus of the present invention is corresponding, is anode pole piece/viscosity barrier film/cathode pole piece, anode pole piece/viscosity barrier film/cathode pole piece/viscosity barrier film/anode pole piece, cathode pole piece/viscosity barrier film/anode pole piece/viscosity barrier film/cathode pole piece respectively.Monomer electrode assemblie can comprise several said units structures, and the present invention does not retrain its quantity, and is not intended to the number of plies of each typical unit structure.
Fig. 2 illustrates that monomer electrode assemblie 104 is coated with the winding process on adhesivity barrier film 103 in one side, the arrangement that monomer electrode assemblie 104 is coated with on adhesivity barrier film 103 in one side has directivity, illustrate for monomer electrode assemblie shown in Fig. 2, anode pole piece 100 is defined as A type monomer electrode assemblie upper, cathode pole piece 102 is at the upper Type B monomer electrode assemblie that is defined as, and A, Type B monomer electrode assemblie need to be interspersed.
Fig. 3 utilizes apparatus of the present invention that pole piece or monomer electrode assemblie are carried out the structural representation of hot-pressing processing, and apparatus of the present invention include feed mechanism 200, tension mechanism 300, hot pressing mechanism 400 and cutting mechanism 500.
Fig. 4 is the structural representation of apparatus of the present invention three-dimensional space layout.Feed mechanism 200 includes feed tank 201, runner 202, tentacle 203 and sucker 204.Tension mechanism 300 includes tension roller 301 and tension roller 302 liang set tension roller, and often set tension roller includes again two roller 303(respectively and respectively goes up tension roller and lower tension roller).Hot pressing mechanism 400 includes hot pressing crank 401, hot pressing rocking bar 402, hot pressing slide block 403 and hot pressing guide rail 404, is wherein also equipped with framework 4031, push rod 4032, push rod spring 4033, underframe 4034, sole piece 4035, strut 4036, guide rod 4037, guide rod spring 4038 and heat pressing wheel 4039 on hot pressing slide block 403.Cutting mechanism 500 includes cutting table 501, cut-off knife 502 and scanning equipment 503.
Fig. 5 a and 5b is the structural representation of feed tank 201 in feed mechanism 200 in the present invention.Feed tank 201 includes casing 2011, supplies flitch 2012 and feed spring 2013, wherein can slide up and down along the inwall of casing 2011 for flitch 2012.The present embodiment illustrates for anode pole piece 100, and anode pole piece 100 is placed on on flitch 2012, and feed spring 2013 provides thrust to for flitch 2012, tightly fits promoting the pole piece 100 being positioned at top layer the inwall of casing 2011.Casing 2011 also has adsorption tank 2014, lateral groove 2015, wherein the thickness being slightly greater height than pole piece 100 of lateral groove 2015, pass through to ensure can only have in a pole piece 100 groove 2015 from the side every time.
Fig. 6 a-Fig. 6 d is the structural representation of feed mechanism 200 in the present invention, and tentacle 203 is arranged on runner 202, and tentacle 203 is equipped with sucker 204 for hollow structure and its end, and sucker 204 is in suction condition all the time.Runner 202 makees uniform speed rotation around its center axis, and when tentacle 203 is by adsorption tank 2014, sucker 204 tightly adsorbs pole piece 100 and will extract out in its from the side groove 2015, and pole piece 100 is bonded in the side of bilateral painting adhesivity barrier film 101 the most at last.Bilateral is coated with the both sides of adhesivity barrier film 101 and all respectively places a set of feed mechanism 200, and both kinestates remain synchronization.
Fig. 7 a and Fig. 7 b is the structural representation of hot pressing mechanism 400 in the present invention.Its middle frame 4031 is connected with slide block 403, framework 4031 and push rod 4032 are cylindrical fit and push rod 4032 can move up and down along framework 4031, push rod 4032 is connected with sole piece 4035 and sole piece 4035 is connected with framework 4031 further through push rod spring 4033, underframe 4034 has circular port, push rod 4032, push rod spring 4033 can be allowed to pass through.One end of strut 4036 is connected with sole piece 4035, the other end is connected with the support axle 40310 of heat pressing wheel 4039, and all adopt cylindrical fit, namely strut 4036 can around sole piece 4035, support axle 40310 rotate and strut 4036 all cannot along support axle 40310 axially-movable.One end of guide rod 4037 is connected with supporting axle 40310, the other end is connected with underframe 4034, and all adopt cylindrical fit, namely strut 4036 can rotate around supporting axle 40310 and can do longitudinal sliding motion (in the present invention, the direction being parallel to bilateral painting adhesivity barrier film 101 movement velocity being defined as longitudinal direction) along underframe 4034.One end of guide rod spring 4038 is connected with guide rod 4037, and the other end is connected on underframe 4034.
Fig. 8 is the structural representation of heat pressing wheel 4039 course of exerting pressure in the present invention, hot pressing slide block 403 transmits the force to push rod spring 4033 by framework 4031, push rod spring 4033 transfers force on strut 4036 further through sole piece 4035, and is ultimately applied to support on axle 40310.In the present invention, the shape of heat pressing wheel 4039 is the combination of semicylinder and cuboid, and the rotating shaft supporting axle 40310 overlaps with the rotating shaft of semicylinder.Resistance wire is placed in the inside of heat pressing wheel 4039, is used for heating heat pressing wheel 4039, it is provided that heat required during hot pressing.
The direction that hot pressing slide block 403 is coated with adhesivity barrier film 101 to bilateral gradually is moved and finally makes heat pressing wheel 4039 touch the surface of pole piece 100, now two parallelepiped body portion of heat pressing wheel 4039 are pressed in the central area of pole piece 100, and heat pressing wheel 4039 starts pole piece 100 is applied thermal force.Afterwards, along with slide block 403 continues to move to the direction of bilateral painting adhesivity barrier film 101, now push rod spring 4033 is compressed gradually, the longitudinal force that support axle 40310 is subject to also is continuously increased, but owing to guide rod spring 4038 is in compressive state all the time, it can apply opposing spring force to supporting axle 40310, thus hindering the motion of heat pressing wheel 4039.When push rod spring 4033 continues compression and makes longitudinal force that support axle 40310 is subject to more than opposing spring force, sole piece 4035 starts to move down, angle between strut 4036 is also gradually increased, strut 4036 promotes heat pressing wheel 4039 to rotate around supporting axle 40310, and guide rod 4037 longitudinally moves along with support axle 40310 and guide rod spring 4038 is also compressed gradually.When hot pressing slide block 403 moves to bottom limit position, the surface of whole pole piece 100 can be carried out hot pressing by heat pressing wheel 4039.
When hot pressing slide block 403 moves to the direction being coated with adhesivity barrier film 101 away from bilateral gradually from bottom limit position, now the decrement of push rod spring 4033 tapers into, and sole piece 4035 starts upper shifting, and the angle between strut 4036 slowly reduces.When guide rod spring 4038 drives support axle 40310 to return to initial position, now push rod spring 4033 is still in compressive state, with continuing to move to of hot pressing slide block 403, the decrement of push rod spring 4033 is slowly stretched after gradually decreasing to zero, when the tensile force of push rod spring 4033 is more than push rod 4032, underframe 4034, sole piece 4035, strut 4036, guide rod 4037, guide rod spring 4038, heat pressing wheel 4039, when supporting the weight sum of axle 40310, heat pressing wheel 4039 can be lifted away from pole piece 100 surface and with hot pressing slide block 403 move and be gradually distance from bilateral be coated with adhesivity barrier film 101.
Hot pressing slide block 403 begins to after moving to top limit position move to the direction being coated with adhesivity barrier film 101 near bilateral gradually, and when heat pressing wheel 4039 touches the surface of pole piece 100, push rod spring 4033 is still in extended state.Along with the continuation campaign of hot pressing slide block 403, the amount of tension of push rod spring 4033 gradually decreases to zero and is slowly in compressive state, thus starting to repeat said process.
Fig. 9 is the structural representation of tension mechanism 300 in the present invention, in the present invention, when pole piece 100 is bonded on bilateral painting adhesivity barrier film 101 by feed mechanism 200, should make bonding point between tension roller 301 and tension roller 302, it is ensured that pole piece 100 and pole piece 102 only could through rollers 303 after completing hot-pressing processing.
Figure 10 is that in the present invention, the movement velocity of bilateral painting adhesivity barrier film 101 changes over schematic diagram, and the tension mechanism 300 in the present invention can realize bilateral and be coated with the intermittent movement of adhesivity barrier film 101.When hot pressing slide block 403 moves to top limit position, the pole piece 100 of now tentacle 203 absorption is coated with adhesivity barrier film 101 and in parallel near bilateral, bilateral is coated with adhesivity barrier film 101 at this moment setting in motion, speed is V, this speed keeps consistent with the pole piece 100 linear velocity near the edge center place of bilateral painting adhesivity barrier film 101 side, if the distance that now runner 202 center of rotation is coated with adhesivity barrier film 101 from bilateral is R, the angular velocity of runner 202 is ω1, therefore V=R* ω1。
Along with continuing to move to of hot pressing slide block 403, when heat pressing wheel 4039 touches the surface of pole piece 100, now bilateral is coated with the speed of adhesivity barrier film 101 is zero, and being always maintained at when hot pressing slide block 403 is re-moved to top limit position.In the present invention, if hot pressing slide block 403 moves to heat pressing wheel 4039 from top limit position, to touch the time that the surface of pole piece 100 experiences be T, making heat pressing wheel 4039 from the surface touching pole piece 100, after completing hot pressing, it is T that hot pressing slide block 403 is re-moved to the time used by top limit position0, therefore T+T0Namely it it is the period of motion of hot pressing mechanism 400.The buckle angular velocity of handle 401 of heat-obtaining is ω2, now should have (T+T0) * ω2=2 π, the angle theta between tentacle 203=(T+T0) * ω1, therefore θ=(ω1* 2 π)/ω2, interval S=V*T=R* ω between pole piece 1001*T。
Figure 11 is the structural representation of cutting mechanism 500 in the present invention, the pole piece 100 crossed through hot-pressing processing is sent on cutting table 501 by roller 303, only when scanning equipment 503 captures the information of pole piece 100, subsequently under the state of message interrupts, cut-off knife 502 is meeting action, namely cut off bilateral and be coated with adhesivity barrier film 101, the monomer electrode assemblie 104 being consequently formed under self gravitation effect from the edge landing of cutting table 501, thus cutting vacating space for follow-up monomer electrode assemblie.
Figure 12 is the schematic diagram of the preferred hot pressing mode of different stacking pattern monomer electrode assemblies in the present invention, described above is to be coated with adhesivity barrier film 101/ cathode pole piece 102 for anode pole piece 100/ bilateral to set forth the step utilizing apparatus of the present invention to manufacture monomer electrode assemblie 104, for the monomer electrode assemblie that the stacking number of plies is more, it is possible to use the mode of monomer electrode assemblie/pole piece or monomer electrode assemblie/monomer electrode assemblie carries out hot pressing.Owing to point hot pressing mechanism 400 of row bilateral painting adhesivity barrier film 101 both sides has the synchronicity of motion, therefore, deforming when hot pressing in order to avoid bilateral is coated with adhesivity barrier film 101, the thickness of monomer electrode assemblie or pole piece that bilateral is coated with adhesivity barrier film 101 both sides should keep identical as far as possible.
In the present invention, on the basis of said apparatus, remove push rod spring 4033, framework 4031 and push rod 4032 are connected, it is also possible to complete heat pressing action.But the advantage being to increase push rod spring 4033 is in that: one, heat pressing wheel 4039 begins to when touching the surface of pole piece provide thermal force into pole piece, along with the power being applied on heat pressing wheel 4039 is gradually increased, strut 4036 slowly drives heat pressing wheel 4039 to rotate, and this just leaves enough hot pressing times for pole piece.Two, the power transition that heat pressing wheel 4039 is applied on pole piece is steady, it is to avoid the damage that pole piece is likely to result in by rigidity power.Owing to there is push rod spring 4033 in apparatus of the present invention, therefore apparatus of the present invention can only being carried out horizontal positioned, namely bilateral now is coated with adhesivity barrier film 101 and to be perpendicular to ground.If removing push rod spring 4033, framework 4031 and push rod 4032 being connected, device now can horizontally or vertically be placed, and namely bilateral is coated with adhesivity barrier film 101 and can be perpendicular or parallel to ground.
In sum, the present invention can realize the location accuracy of takeup type laminated batteries monomer electrode assemblie bonding and the compactness of hot pressing.Can not only effectively prevent pole piece or the arrangement of monomer electrode assemblie at random during hot pressing, and achieve and press from the center of pole piece or monomer electrode assemblie to both sides, the air being mingled with between pole piece can be got rid of smoothly.Apparatus of the present invention are greatly improved hot pressing quality and have good operability, safety.
Embodiment described above is only that the preferred embodiment of the present invention is described; not the scope of the present invention is defined; under the premise designing spirit without departing from the present invention; various deformation that technical scheme is made by those of ordinary skill in the art and improvement, all should fall in the protection domain that claims of the present invention is determined.
Claims (9)
1. the manufacture device of a takeup type laminated batteries monomer electrode assemblie, it is characterised in that: include for extract from feed tank pole piece or monomer electrode assemblie and be bonded in bilateral be coated with adhesivity barrier film both sides feed mechanism, be used for making bilateral to be coated with adhesivity barrier film keeping certain tension force and make it keep the tension mechanism of intermittent movement, be used for the surface to pole piece or monomer electrode assemblie and apply the hot pressing mechanism of heat and power load and be used for after hot pressing completes cutting off bilateral and be coated with adhesivity barrier film so that its cutting mechanism departed from the monomer electrode assemblie being newly formed.
2. the manufacture device of a kind of takeup type laminated batteries monomer electrode assemblie according to claim 1, it is characterised in that: described for extracting pole piece or monomer electrode assemblie from feed tank and being bonded in bilateral and be coated with the feed mechanism of both sides of adhesivity barrier film and include feed tank, be arranged on the runner above feed tank, be arranged on runner and along runner circumferencial direction several tentacles equally distributed and the sucker being arranged on tentacle outer end.
3. the manufacture device of a kind of takeup type laminated batteries monomer electrode assemblie according to claim 1, it is characterized in that: described for making bilateral be coated with the adhesivity barrier film certain tension force of maintenance and make it keep the tension mechanism of intermittent movement to include being symmetricly set on the upper tension roller of the bilateral painting upper and lower both sides of adhesivity barrier film and lower tension roller, and the quantity of this tension mechanism is two sets.
4. the manufacture device of a kind of takeup type laminated batteries monomer electrode assemblie according to claim 1, it is characterised in that: described for the surface of pole piece or monomer electrode assemblie applied heat including heat pressing wheel with the hot pressing mechanism of power load, the be symmetricly set on heat pressing wheel action executing portion at axial two ends, the framework being set in upper end, action executing portion, the hot pressing slide block being connected with framework, be installed through in hot pressing slide block and the hot pressing guide rail coordinated with hot pressing skid, the hot pressing rocking bar being connected on hot pressing slider side wall and the hot pressing crank being rotatably assorted with hot pressing rocking bar.
5. the manufacture device of a kind of takeup type laminated batteries monomer electrode assemblie according to claim 1, it is characterised in that: described it is coated with adhesivity barrier film so that cutting mechanism that itself and the monomer electrode assemblie that is newly formed depart from includes being arranged on bilateral and is coated with the cutting table below adhesivity barrier film and is separately positioned on bilateral and is coated with cut-off knife and the scanning equipment of adhesivity diaphragm for cutting off bilateral after hot pressing completes.
6. the manufacture device of a kind of takeup type laminated batteries monomer electrode assemblie according to claim 2, it is characterised in that: described feed tank includes casing, be arranged on casing in and with cabinet wall be slidably matched for flitch, be opened in casing apex suction groove and symmetry is opened in two lateral grooves of the left and right sides, casing upper end；It is connected to feed spring between described bottom and the feed tank bottom inside wall supplying flitch；Described adsorption tank communicates with lateral groove.
7. the manufacture device of a kind of takeup type laminated batteries monomer electrode assemblie according to claim 4, it is characterised in that: described heat pressing wheel is provided with resistance wire.
8. the manufacture device of a kind of takeup type laminated batteries monomer electrode assemblie according to claim 4, it is characterised in that: being arranged with push rod spring on described push rod, and the upper end of this push rod spring is connected to the bottom of framework, lower end is connected to the top of sole piece.
9. the manufacture device of a kind of takeup type laminated batteries monomer electrode assemblie according to claim 4, it is characterized in that: described action executing portion includes the U-shaped underframe that Open Side Down, sequentially pass through framework and the push rod at underframe top from top to bottom, embed the sole piece being arranged in underframe and being connected with push rod lower end, the strut being connected on sole piece and be rotatably assorted with sole piece, it is rotatably assorted with the lower end of strut and is connected to the support axle of heat pressing wheel axial end portion, the guide rod that two ends are rotatably assorted with underframe lower end sidewall and support axle respectively, it is set on guide rod and the two ends guide rod spring that underframe medial wall is connected with guide rod the inner respectively.
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Application publication date: 20160713 Assignee: Shanghai Xuanyi New Energy Development Co.,Ltd. Assignor: Gotion High-tech Co., Ltd. Contract record no.: X2023980049293 Denomination of invention: A manufacturing device for single electrode components of coiled stacked solar cells Granted publication date: 20180605 License type: Common License Record date: 20231207 |