CN109351793A - Battery pole piece extrusion device and battery pole piece manufacturing system - Google Patents

Battery pole piece extrusion device and battery pole piece manufacturing system Download PDF

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Publication number
CN109351793A
CN109351793A CN201811465414.6A CN201811465414A CN109351793A CN 109351793 A CN109351793 A CN 109351793A CN 201811465414 A CN201811465414 A CN 201811465414A CN 109351793 A CN109351793 A CN 109351793A
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China
Prior art keywords
pole piece
battery pole
coating
extrusion
fixed cavity
Prior art date
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Granted
Application number
CN201811465414.6A
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Chinese (zh)
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CN109351793B (en
Inventor
杨清宇
高桥勉
李思文贤
丁波
曹翊
车勇
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Beijing Enli Power Technology Co ltd
Enli Energy Technology Anhui Co ltd
Enli Energy Technology Nantong Co ltd
Enpower Energy Technology Co ltd
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Enli Energy Technology Anhui Co ltd
Enpower Energy Technology Co ltd
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Application filed by Enli Energy Technology Anhui Co ltd, Enpower Energy Technology Co ltd filed Critical Enli Energy Technology Anhui Co ltd
Priority to CN201811465414.6A priority Critical patent/CN109351793B/en
Publication of CN109351793A publication Critical patent/CN109351793A/en
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Publication of CN109351793B publication Critical patent/CN109351793B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00Extruding metal; Impact extrusion
    • B21C23/02Making uncoated products
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C33/00Feeding extrusion presses with metal to be extruded ; Loading the dummy block
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/04Processes of manufacture in general
    • H01M4/0402Methods of deposition of the material
    • H01M4/0404Methods of deposition of the material by coating on electrode collectors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/04Processes of manufacture in general
    • H01M4/0402Methods of deposition of the material
    • H01M4/0411Methods of deposition of the material by extrusion
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The invention discloses a battery pole piece extrusion device and a battery pole piece manufacturing system, and belongs to the field of battery manufacturing. The invention provides a battery pole piece extrusion device and a battery pole piece manufacturing system, aiming at the problems of inconsistent product size, low production efficiency and difficult realization of a new process in the prior art, wherein the battery pole piece extrusion device comprises: the automatic feeding device is composed of feeding, mixing, kneading, extruding, coating, drying and rolling, and full-automatic continuous production of products is realized through full-automatic control. Compared with the existing manufacturing process, the manufacturing process has the advantages that the covering range of equipment for parameters such as the thickness of a product to be produced is enlarged, the working steps of preheating the current collector, rolling independently and the like are reduced, the influence of more external factors on the production efficiency is reduced, the product consistency is improved, and the purpose of improving the production efficiency is finally achieved. The battery charging device has more perfect functions, wider application range and less whole processes, and the device can be matched with the production process requirements of novel batteries.

Description

A kind of battery pole piece extrusion device and battery pole piece manufacture system
Technical field
The present invention relates to battery manufacturing fields, more specifically to a kind of battery pole piece extrusion device and battery pole piece Manufacture system.
Background technique
So far, resource-type fossil fuel is still the main power supply source of the mankind.Carbon emission caused by its a large amount of use It is the main reason for causing current global greenhouse effect.As important one of solution, develop and use with solar energy and wind It can be had become a top priority for the renewable energy power generation of representative.However, this including solar energy, wind energy, tide energy etc. A little natural energy resources be it is intermittent, the electric energy size generated depend critically upon weather, season, when and where etc. it is natural because Element.If these unstable electric energy are directly incorporated into power grid, the normal operation of meeting severe jamming power grid.Large-scale energy storage system Using this problem can be efficiently solved, energy storage system can be passed through by the intermittent energy source that reproducible natural resources generates The storage of system and release access power grid, stablize user terminal, safe and efficient clean energy resource.
Currently, main energy storage technology has electrochemical energy storage, mechanical energy storage, chemical energy storage, electrical energy storage and phase-change accumulation energy etc.. Electrochemical energy storage technology has the characteristics that high-efficient, small investment, using safe, flexible in application compared with other energy storage modes, most Meet the developing direction of the current energy.In various electrochemistry storage modes, secondary cell use and maintenance is the most convenient.However Mature secondary cell system at present, is almost unsuitable for extensive stored energy application.Traditional plumbic acid, ickel-cadmium cell contain largely Harmful heavy metal element, large-scale application can cause serious environmental pollution in production and abandonment stage, and to environment temperature Degree requires strictly, is only applicable in indoor running environment, service life is short, and cost performance is low;Nickel-metal hydride battery uses expensive rare gold Belong to, is difficult to meet the cost requirement of extensive storage in resource and price, and high-temperature behavior is poor, operating voltage is low.All-vanadium flow Battery is other than using noble metal, and there are also expensive amberplexes, and there are toxicity and corrosivity for positive and negative anodes electrolyte, and The problems such as energy conversion efficiency is not high;Sodium-sulphur battery is because operating temperature is high, and expensive, liquid sulfur and metallic sodium are also to oxygen Change aluminium diaphragm and have strong corrosive, be easy to cause pyrophoricity accident.Water system ion battery is due to being used as electricity using neutral saline solution Xie Zhi, had not only avoided the inflammable problem of organic bath, but also overcame the high pollution of traditional water system battery, short life (such as plumbic acid Battery) and the shortcomings that expensive (nickel-metal hydride battery), have safety, low cost, the long-life, it is environmentally friendly the characteristics such as can be recycled, be one The completely new novel battery of kind, and the ideal system that large-scale energy storage technology requires.
As a kind of completely new battery, there is also certain challenges for the invention research and development of water system ion battery, such as battery gram Capacity is compared lower with other existing type batteries, and in order to guarantee subsequent scale application, it is especially heavy to improve single battery core capacity It wants, common settling mode is the usage amount for increasing active material, but in the case where original usable floor area is constant, increases and live Property substance the thickness of pole piece certainly will be caused to increase, this is just that the production of subsequent pole piece brings great challenge.A kind of practical example Water system battery is to meet capacity requirement, negative electrode tab thickness up to 1.5mm (containing special collector and active material), and it is existing often The pole piece thickness of rule battery is generally less than 0.3mm, in the electrode manufacturing process of existing maturation, either the coating of lithium battery or The slurry work step of nickel-metal hydride battery is only able to satisfy the manufacturing process requirement of relatively thin pole piece, for the thicker pole piece of novel water system battery The realization that can not carry out basic manufacturing process needs that production process equipment is redesigned and manufactured on source thus.
Conventional batteries pole piece is manufactured there are mixing, several process such as coating, roll-in, drying, and per pass process is equal Certain uncontrollable influence can be caused on actual product performance, be mostly single unit independent operation compartment, certainly by equipment The interference of the multi-party factor such as body and practical operation personnel's proficiency difference, it is difficult to ensure that final products in size, performance one Cause property, ultimately forms the low result of production efficiency.
Summary of the invention
1. technical problems to be solved
It is inconsistent for product size existing in the prior art, production efficiency is low, be difficult to carry out for new process real Existing problem, the present invention provides a kind of battery pole piece extrusion device and battery pole piece manufacture systems.Its function is more perfect, uses Range is wider, and whole process is reduced, which can match the manufacturing technique requirent of novel battery, can also solve conventional batteries whereby The problem of end product consistency difference, finally improves production efficiency.
2. technical solution
The purpose of the present invention is achieved through the following technical solutions.
A kind of extrusion device is devised, on whole process equipment, is located at after kneader, including lock chamber Body provides and squeezes out shaping processing space;Fixed cavity carries multiple groups clearance-adjustable pony roll and sets up hydraulic adjustable power output device;
Unit is squeezed out, fixed cavity one end is set to, extrusion shaping is carried out to raw material in fixed cavity;
Feed unit is fed, outlet fixed cavity to unit is squeezed out.
Further, it is additionally provided with inside feed unit and shreds unit, raw material are shredded, outlet is fixed Cavity;It shreds unit and carries out tinyization processing for the bulk muscle web frame object after mediating;
Further, further include vibration unit, feed unit is vibrated.Vibration unit is for assisting the fast of former material Speed enters cavity.
Further, further include fixed cavity bracket, be set to below fixed cavity, fixed cavity is supported, The bracket is used to support material cavity, and can according to practical material variety, the parameters such as viscosity different and carry out exclusive angle tune Section, uniformly and effectively passes through final outlet with sharp material;
Further, it is additionally provided with outlet capping, is set to fixed cavity outlet, final outlet covers size can foundation Practical material variety and product requirement are adjusted or carry out quick-replaceable, final outlet sealing plate inside using one-piece casting part Gradual change guiding groove is set, and gradual change angle requires different and carries out selection adjustment according to material variety and final products, for rear end Clearance-adjustable pony roll can carry out the adjusting of gap size between roller according to the thickness of practical material, viscosity, specific capacity, and appropriate Increase roller number;
Further, discharge port, lock chamber where discharge port are provided in fixed cavity outlet end or outlet capping The inner wall or outlet capping inner wall in body end face are discharge port inclined-plane, and discharge port inclined-plane is tilted from both ends to discharge port.
Further, it is additionally provided with pre- roller arrangement behind fixed cavity outlet, pre- roller arrangement is by least a pair of pressure roller group At gap of the raw material of extrusion across pressure roller.
Further, squeezing out unit is hydraulic extrusion equipment, selection and hydraulic pressure certainly for fixed cavity size What the setting of power and the actual demand according to material were changed accordingly, the final purpose of the device is exactly to leading portion muscle net Works carries out compacting and shaping, it is ensured that final object out is the three-dimensional dimension for meeting technique requirement and the belt shape of weight.
A kind of battery pole piece manufacture system, including,
Feeding device: it is located at equipment front end, and device can quick and precisely claim a variety of raw material with auto feed Amount and placement;
Mixing device: it is located at after feeding device, is high speed mixing device, and it is broken to carry out high-speed stirred to proportion powder Broken, confirmation component is uniform;
Kneader: it is located at after mixing device, carries out variable-ratio stirring to the uniform powder of leading portion component, becomes Stereo structure, component are uniform and not of uniform size, have certain elasticity, the muscle web frame object of extensibility, stickiness and plasticity;
Extrusion device, extrusion device as described above, is located at after kneader, presses leading portion muscle web frame object Reality and shaping, form needed for being formed;
Conveying device is located at after extrusion device, is run and is transported to the material of extrusion, is transported to apparatus for coating;
Apparatus for coating: it is located at after extrusion device, which carries collector uncoiling, guiding transmission and control, compacting And coating one, drying, the processes such as winding, for the band-like muscle web frame raw material of leading portion to be uniformly coated on collector together Shi Jinhang compacting is using drying final molding;
Wrap-up is located at after apparatus for coating, is wound to battery pole piece after molding.
Further, apparatus for coating includes decoiling equipment, carries out uncoiling to collector, is arranged in apparatus for coating leading portion;
Coating unit is arranged after decoiling equipment, the material of the correspondence form of extrusion is coated on collector;
Drying unit is located at after apparatus for coating, is dried to the molding battery pole piece of apparatus for coating.
Further, the drying unit is that one group or multi-section combine, for closing or semiclosed mode, pure wind-heat, The drying mode that infrared heating or pure wind-heat and infrared heating combine.
Further, further include rolling device: rolling device is located at before wrap-up, to the electricity after coating drying Pond pole piece is finally compacted and surface shaping.
Further, kneader is uniaxial operation or multiaxis operation.
Further, kneader further includes turnover device, and former material is transmitted to next station and carries out subjob again.
Further, decoiling equipment includes uncoiling guiding device, is oriented to collector.
Further, the device of all process steps of manufacture system is one or more, and device group is combined into transverse direction, Zong Xianghuo It is that the mode that transverse and longitudinal combines is arranged.
Further, the device of all process steps is linked by transmission device, the devices of all process steps be it is fixed or On-fixed.
3. beneficial effect
Compared with the prior art, the present invention has the advantages that
(1) this programme for battery pole piece designing for manufacturing integrated equipment, by will feed, mixing, kneading, extrusion, Coating processes integration one, unified be arranged parameter, monitor state is reduced due to process is independently set caused by final products It influences, process integration is to improve production efficiency.
(2) by mixing+kneading+extrusion shaping+coating, integrally complete control replaces conventional single unit single process Traditional handicraft can therefore be subtracted by the automatic continuous independent operation for replacing original each monomer process of the one of process unit Few monomer process respectively the difference of parameter setting and practical different operation personnel proficiency different and to final products performance and Otherwise influence, and improve production efficiency.
(3) stereo structure, the group of band-like adjustable three dimension scale and weight are obtained by kneading+extrusion and subsequent multistep shaping Point muscle web frame object uniform, with certain elasticity, extensibility, stickiness and plasticity can be by when being coated with by subsequent handling The heating module carried on coating roll-in one station is required according to actual production and is controlled to the stickiness and extensibility of raw material System reduces material deformation resistance and control pole piece consistency.
(4) thicker pole piece is dried by infrared+hot wind dual-heated mode, avoids pole piece due to water capacity is larger Active material obscission in subsequent packaging technology generates, and adjustable mode also avoids surface due to rapidly temperature rise to pole piece Form affects greatly.
(5) device integrates multiple processes and is integrated, and not only reduces influence of multiple independent process to product parameters, also protects It has demonstrate,proved under unified parameters monitoring, the setting consistency of each small work step, to improve the consistency and production efficiency of product.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram that battery pole piece of the invention manufactures integrated equipment;
Fig. 2 is a kind of structure enlargement diagram for squeezing out unit;
Fig. 3 is a kind of structural schematic diagram that embodiment 3 squeezes out that unit is located at fixed cavity;
Fig. 4 is to squeeze out the position unit A to amplify schematic cross-section;
Fig. 5 is to squeeze out the position unit A front enlarged diagram;
Fig. 6 is pre- roller arrangement side schematic view.
Figure label explanation:
1, feeding device;2, mixing device;3, kneader;4, extrusion device;5, conveying device;6, decoiling equipment;7, Uncoiling guiding device;8, coating unit;9, drying unit;10, rolling device;11, wrap-up;13, feed unit;14, it shakes Moving cell;15, unit is squeezed out;16, fixed cavity;161, discharge port;162, discharge port inclined-plane;163, pre- roller arrangement;17, fixed Chamber mount;19, outlet capping.
Specific embodiment
With reference to the accompanying drawings of the specification and specific embodiment, the present invention is described in detail.
To meet unique design and technique requirement of the novel battery to electrode, the device of the invention and conventional batteries manufacture work Skill unit structure is different, and each unit function is arranged also different from the prior art, and device exists certain compared with prior art Otherness, this programme devise a kind of extrusion unit for water system ion battery.
Each process unit can have capacity by oneself according to production scale, unit in an implementation and specific product requires different progress Element number proportion, practical true process unit is one or more.Actual cell combination should also be wanted according to actual place and production Ask carry out laterally, the mode that combines of longitudinal direction or transverse and longitudinal arrange, during which unit can also by rail chair or other transmission devices into Row link, cell spacing can be fixed and be also not fixed.
This programme devises a series of integrated systems being mutually distributed, including.
Feeding device 1: multiple and different type former materials can be measured simultaneously and are filled according to sets requirement, powder can be reduced Human error and environment when weighing influence, and guarantee proportion correctness;
Mixing device 2: being furnished with frequency conversion and timing means, and can carry out accurate setting according to actual requirements ensures that result meets need It asks;
Kneader 3: the agitating shaft equipped with stepless time adjustment and different rotation direction, can single shaft can multiaxis, be aided with cavity temperature Degree control can carry out special setting according to practical former material ratio requirement, have turnover device after the completion of process, can be by material certainly It is transmitted again;
As shown in Fig. 2, extrusion device 4: including fixed cavity 16, providing and squeeze out shaping processing space;Unit 15 is squeezed out, if It is placed in 16 one end of fixed cavity, extrusion shaping is carried out to raw material in fixed cavity 16, is hydraulic extrusion equipment;Feed unit 13, It is fed to unit 15 is squeezed out, outlet fixed cavity 16, is additionally provided with inside feed unit 13 and shreds unit, to former material Material is shredded, outlet fixed cavity 16;Unit 14 is shaken, feed unit 13 is vibrated.Fixed cavity 16 can be with It is made using stainless steel, outlet capping 19 is set to the outlet of fixed cavity 16.
It is additionally provided with fixed cavity bracket 17,16 lower section of fixed cavity is set to, fixed cavity 16 is supported, end Shaping is carried out by small-sized rolling device, parameter setting can be carried out so as to adjust fixed final products form by apparatus above, The actual density when form control for guaranteeing end prod, according to finally requiring in actual implementation to extrusion way, end for product Mouth size, feeding manner, multistage shaping or increase roll-in are adjustable.
Conveying device 5 is located at after extrusion device 4, is run and is transported to the material of extrusion, is transported to apparatus for coating;
Apparatus for coating: being furnished with the uncoiling of multiple groups collector, winding, multiple groups guiding axis, can be according to the requirement of practical finished product and material The various combination of mode is wound to meet coating and require, the decoiling equipment 6 of leading portion, inter-coat unit 8 includes roll-in, applies It covering, heats multiple functions concentration one, heating method is arranged according to demand, the ductility of adjustable muscle web frame object is heated, with The control of finished product thickness and gram density CONSENSUS when the subsequent roll-in of benefit and coating work step, clearance between roll, roll gap pressure, temperature on roller Degree requires and is squeezed out according to final finished the difference of the muscle web frame object of unit and carries out special setting, can meet multiple combinations Demand;
Middle section drying unit 9, because the water system pole piece that device is applicable in is far longer than other existing battery system pole piece thickness, therefore In the case where meeting production efficiency and not influencing properties of product, need to be arranged different with the setting of existing common apparatus or function Component is dried, and is not limited only to that hot wind is infrared or other combinations, and purpose do not influence properties of product, and energy as Meet production requirement to a certain extent.
Wrap-up 11, is located at after apparatus for coating, winds to battery pole piece after molding.
By above system, the whole function of producing battery pole piece is more perfect, and use scope is wider, and whole process is reduced, The equipment can match the manufacturing technique requirent of novel battery, can also solve asking for conventional batteries end product consistency difference whereby Topic, finally improves production efficiency.
Embodiment 1
One of specific embodiment that as figure 1 shows battery pole piece manufacture integrated equipment of the invention, in the implementation In example, battery pole piece of the invention manufactures integrated equipment, and equipment can be set on whole support, can also phase according to demand It should be arranged.
Wherein automatic feeding device 1 is located at one end of equipment support, and such as upper left quarter also can be set at other positions, It to be responsible for the metering and weighing to basic former material and is thrown in mixing device 2, mixing device 2 is placed on the lower section of feeding device 1, It is responsible for proportioned former material is uniform according to component is set for;Kneader 3 is placed on the lower section of mixing device 2, and being responsible for will The uniform former material of component is changed into the semi-solid material with certain viscosity and mobility according to requiring to carry out secondary mixing, Extrusion device 4 is responsible for the former material of semisolid carrying out a degree of compacting in closed cavity in the lower section of kneader 3 And shaping is carried out to reach shape size requirement by the pre- roller of extrusion, decoiling equipment 6 is born in the middle top of apparatus for coating Duty unreels collector volume, and apparatus for coating is located at the lower section of guiding device 7, is responsible for the original for transmitting input unit 5 In material coating to collector, apparatus for coating can be with heating and roll-in function in the embodiment of this programme, can be according to product Thickness requirement carries out the adjustment of up-down rollers gap, and temperature is between requiring different increase rollers according to former material type and technique to adjust former material stream Dynamic property can require adjustment roll-in according to the final densities of product;
Drying unit 9 is located at the lower left of apparatus for coating, is responsible for for the raw material after the completion of coating being dried, rolling device 10 in the left side of drying unit 9, is responsible for that the pole piece after drying is finally compacted and is surface-treated, and wrap-up 11, which is located at, to be set Standby left end is responsible for pole piece roll after molding being collected work.Above-mentioned apparatus is carried out entirely through a set of control system Comprehensively control, in the present embodiment, the former material after the completion of extrusion device 4 can directly carry out coating operation, without being opened again Sweetening process.Technique has been saved, efficiency is improved, cost accordingly reduces.
Kneader 3 can pass through other axis or overturning function by uniaxial operation or multiaxis operation in the present embodiment Former material after the completion of process can be transmitted to next station by self weight freely falling body or transmission device and carry out subjob again, Temperature setting can be carried out according to material component and other requirements to reach kneading effect cavity, rotational run and control mode can also Regard a variety of references as;Drying unit 9 can combine in the present embodiment for one group or multi-section, can be different really according to material category and technique Recognize closing or semiclosed mode, the drying mode of pure wind-heat or infrared heating together.Each device can free quantitative proportion, not only It is limited to 1:1 shown in existing Fig. 1;Fixed mode can be confirmed whether it is according to technique difference between each device or selection increases cunning Rail and be adjusted,
The equipment of this programme is mainly made of several major parts.Battery pole piece integrated equipment manufacturing process of the invention by: Charging+mixing+kneading+extrusion+coating+drying+roll-in composition, the full-automatic continuous life of product is realized by Automatic Control It produces.Increase equipment to the covering scope of the parameters such as production product thickness compared to existing manufacturing process, reduces collector preheating With the work steps such as independent roll-in, influence of the more external factor to production efficiency is reduced to improve homogeneity of product, is finally reached Improve the purpose of production efficiency.
Embodiment 2
Substantially the same manner as Example 1, difference is, production material can be directly over 11 windings dress after 9 drying units It sets and carries out finished product collection, no longer need to separately roll process.Rolling device 10 is not provided with not need to the battery pole after coating drying Piece carries out surface shaping.Shaping work is directly carried out, process is omitted, improves efficiency.
Embodiment 3
Embodiment 3 is similar to Example 1, also resides in, and as shown in Fig. 3,4,5, fixed cavity 16 can be angularly disposed, with water Plane forms certain oblique angle, is more convenient the extrusion of raw material;Feed unit 13 and fixed cavity 16 also form certain angle, wherein supplying The blanking of material unit 13 enters in fixed cavity 16, and the end of fixed cavity 16 discharges, and end can be provided directly with carefully The discharge port 161 of elongate in shape also can be set outlet capping 19, the discharging of elongate strip form be provided in outlet capping 19 Mouth 161, the thickness of discharge port 161 is configured according to demand, can only replace outlet capping 19 using outlet capping 19 The discharge port 161 of different-thickness, the inner wall of 162 place fixed cavity of discharge port, 16 end face or outlet capping 19 can be replaced Inner wall is discharge port inclined-plane 162, and discharge port inclined-plane 162 is tilted from both ends to discharge port, guarantees not will cause when extrusion stifled Mouthful, also pressure can be generated by inclined-plane, guarantee that discharging density is reasonable.
Embodiment 4
Embodiment 4 is similar to Example 1, also resides in, and as shown in Fig. 3,6, fixed cavity 16 is additionally provided with pre- roller after exporting Device 163, pre- roller arrangement 163 are made of at least a pair of pressure roller, and the gap that the raw material of extrusion passes through pressure roller carries out precompressed and whole Shape guarantees that freshly extruded product is uniform.Facilitate subsequent handling to work, guarantees that uniformly, yields improves.
Schematically the invention and embodiments thereof are described above, description is not limiting, not In the case where spirit or essential characteristics of the invention, the present invention can be realized in other specific forms.Institute in attached drawing What is shown is also one of the embodiment of the invention, and actual structure is not limited to this, any attached in claim Icon note should not limit the claims involved.So not departed from if those of ordinary skill in the art are inspired by it In the case where this creation objective, frame mode similar with the technical solution and embodiment are not inventively designed, it should all Belong to the protection scope of this patent.In addition, one word of " comprising " is not excluded for other elements or step, "one" word before the component It is not excluded for including " multiple " element.The multiple element stated in claim to a product can also by an element by software or Person hardware is realized.The first, the second equal words are used to indicate names, and are not indicated any particular order.

Claims (16)

1. a kind of battery pole piece extrusion device, which is characterized in that including,
Fixed cavity (16) provides and squeezes out shaping processing space;
It squeezes out unit (15), is set to fixed cavity (16) one end, extrusion shaping is carried out to fixed cavity (16) interior raw material;
Feed unit (13) is fed, outlet fixed cavity (16) to unit (15) are squeezed out.
2. a kind of battery pole piece extrusion device according to claim 1, which is characterized in that further include feed unit (13) Inside, which is additionally provided with, shreds unit, shreds to raw material.
3. a kind of battery pole piece extrusion device according to claim 2, which is characterized in that it further include shaking unit (14), Feed unit (13) is vibrated.
4. a kind of battery pole piece extrusion device according to claim 1, which is characterized in that further include fixed cavity bracket (17), it is set to below fixed cavity (16), fixed cavity (16) is supported.
5. a kind of battery pole piece extrusion device according to claim 1, which is characterized in that it further include outlet capping (19), It is set to fixed cavity (16) outlet.
6. a kind of battery pole piece extrusion device according to claim 1 or 5, which is characterized in that fixed cavity (16) outlet Is provided with discharge port (161) in end or outlet capping (19), the inner wall of fixed cavity (16) end face where discharge port (162) or It is discharge port inclined-plane (162) that person, which exports capping (19) inner wall, and discharge port inclined-plane (162) are tilted from both ends to discharge port.
7. a kind of battery pole piece extrusion device according to claim 1, which is characterized in that behind fixed cavity (16) outlet also It is provided with pre- roller arrangement (163), pre- roller arrangement (163) is made of at least a pair of pressure roller, and the raw material of extrusion is across pressure roller Gap.
8. a kind of battery pole piece manufacture system, which is characterized in that including,
Feeding device (1), weighs raw material and is placed, fed;
Mixing device (2) is located at after feeding device (1), is stirred, is crushed to the material after proportion;
Kneader (3) is located at after mixing device (2), is stirred to the material after leading portion mixing, forms muscle web frame Object;
Extrusion device (4) is located at after kneader (3), including device as claimed in claim 1 to 7, to leading portion muscle net Works carries out compacting and shaping, form needed for being formed;
Conveying device (5) is located at after extrusion device (4), is run and is transported to the material of extrusion, is transported to apparatus for coating;
Apparatus for coating carries out the guiding transmission and control of collector, the material of the correspondence form of extrusion is applied to collector uncoiling It is layed on collector, and after being compacted, drying;
Wrap-up (11), is located at after apparatus for coating, winds to battery pole piece after molding.
9. a kind of battery pole piece manufacture system according to claim 8, which is characterized in that the apparatus for coating includes,
Decoiling equipment (6) carries out uncoiling to collector, is arranged in apparatus for coating (8) leading portion;
Coating unit (8) is arranged after decoiling equipment (6), the material of the correspondence form of extrusion is coated on collector;
Drying unit (9) is located at after apparatus for coating (8), is dried to apparatus for coating (8) molding battery pole piece.
10. a kind of battery pole piece manufacture system according to claim 9, which is characterized in that the drying unit (9) is One group or multi-section combination, for closing or semiclosed mode, the drying of pure wind-heat, infrared heating or pure wind-heat and infrared heating combination Mode.
11. a kind of battery pole piece manufacture system according to claim 8, which is characterized in that it further include rolling device (10), It is located at before wrap-up (11), the battery pole piece after drying to coating is finally compacted and surface shaping.
12. a kind of battery pole piece manufacture system according to claim 8, which is characterized in that decoiling equipment (6) includes uncoiling Guiding device (7), is oriented to collector.
13. a kind of battery pole piece manufacture system according to claim 8, which is characterized in that the kneader (3) is Uniaxial operation or multiaxis operation.
14. a kind of battery pole piece manufacture system according to claim 8, which is characterized in that the kneader (3) is also Including turnover device, former material is transmitted to next station and carries out subjob again.
15. according to a kind of any battery pole piece manufacture system of claim 8-14, which is characterized in that the institute of manufacture system There is the device of process for one or more, device group is combined into the mode that transverse direction, longitudinal direction or transverse and longitudinal combine and arranges.
16. according to a kind of any battery pole piece manufacture system of claim 8-14, which is characterized in that the dress of all process steps It sets and is linked by transmission device, the device of all process steps is fixed or on-fixed.
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CN112768631A (en) * 2021-01-07 2021-05-07 上海兰钧新能源科技有限公司 Battery pole piece and embossing and rolling process thereof

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