CN105413981A - Extrusion type double-surface coating method - Google Patents
Extrusion type double-surface coating method Download PDFInfo
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- CN105413981A CN105413981A CN201510944445.XA CN201510944445A CN105413981A CN 105413981 A CN105413981 A CN 105413981A CN 201510944445 A CN201510944445 A CN 201510944445A CN 105413981 A CN105413981 A CN 105413981A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/28—Processes for applying liquids or other fluent materials performed by transfer from the surfaces of elements carrying the liquid or other fluent material, e.g. brushes, pads, rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/04—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material to opposite sides of the work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
- B05C9/14—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation involving heating or cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/84—Processes for the manufacture of hybrid or EDL capacitors, or components thereof
- H01G11/86—Processes for the manufacture of hybrid or EDL capacitors, or components thereof specially adapted for electrodes
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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
- Y02E60/13—Energy storage using capacitors
Abstract
The invention provides an extrusion type double-surface coating method. The extrusion type double-surface coating method comprises the following steps: slurry delivering, extrusion quantity and width setting, current collector unreeling, double-surface extrusion coating, drying and the like. After being stirred and filtered, slurry is fed to a forward and reverse extrusion head base through a metering and delivering pump, so that uniformity of the slurry can be improved, and the using amount of the slurry can be controlled precisely; coating width and an extrusion coating gap can be set through an extrusion die, coating width and a spacing distance can be controlled precisely, further, a current collector is connected to space between a forward and reverse extrusion head and a front and reverse surface coating roll from a discharging end of an unreeling mechanism through double-surface extrusion coating, then the distance between the forward and reverse extrusion head and the front and reverse surface coating roll is controlled, the slurry coats a front surface and a reverse surface of the current collector, extrusion coating of the front surface and the reverse surface is finished, one-step double-surface coating of a pole piece can be realized, uniformity of coating thickness of the front surface and the reverse surface of the pole piece is improved, and loss of equipment and materials is also reduced.
Description
Technical field
The present invention relates to a kind of coating process, particularly a kind of squash type double spread method of condenser plate.
Background technology
Pole piece is the important component part of capacitor, the quality of pole piece quality directly affects stability and the service life of capacitor, and conductive agent and active carbon are coated on aluminium foil by the preparation technology of pole piece exactly, so coating process is the important procedure in condenser plate production process.
The coating process of current pole piece is generally the mode adopting one side coating, its coating efficiency is lower, higher to the loss of equipment and material, and has been coated with the in uneven thickness of rear pole piece positive and negative, easy generation be full of cracks and peeling, cause the instability of capacitor and the reduction in service life.
Summary of the invention
The technical problem to be solved in the present invention is: a kind of squash type double spread method providing condenser plate, and it can improve the uniformity of pole piece positive and negative coating thickness, reduces the loss of equipment and material.
Solution of the present invention is achieved in that a kind of squash type double spread method, for the coating of condenser plate, comprises the following steps:
(1) carry slurry, slurry after agitation and filtration, inputs backward and forward extrusion head pedestal through metering conveying pump from slurry transfer tank;
(2) extrude quantitative, fixed width, set the gap of coating width and extrusion coated by extrusion die;
(3) collector unreels, and by unreeling and rectifying a deviation, controls tension force and is pulled out by collector;
(4) two-sided extrusion coating, collector from the discharge end of unreeling structure be linked into backward and forward extrusion head and positive and negative applicator roll and between, then control the distance between backward and forward extrusion head and positive and negative applicator roll, be coated with spreading mass at collector positive and negative, complete the extrusion coated of positive and negative;
(5) dry, the collector completing positive and negative extrusion coated is linked in baking oven by haulage gear and dries, in described baking oven, pole piece front is provided with infrared drying equipment.
Another technical scheme of the present invention is, on above-mentioned basis, specifically to comprise in described baking step:
Flash baking, is linked into quick-drying district by the collector completing positive and negative extrusion coated by haulage gear and entirely carries out suspension drying in suspension baking oven; With
Dry at a slow speed, by complete quick-drying district dry after collector be linked into Double-face blowing slow curing district and carry out last ending and dry.
Another technical scheme of the present invention is on above-mentioned basis, and the positive and negative air channel in described quick-drying district and/or slow curing district is individually blown, heated separately.
Another technical scheme of the present invention is on above-mentioned basis, described quick-drying district and/or slow curing district are all at least provided with the upper tuyere of a row and the lower tuyere of a row, be installed with the drying channel that feed strip is passed through between described upper tuyere and lower tuyere, interlocking between described upper tuyere and lower tuyere is intervally arranged.
Another technical scheme of the present invention is, on above-mentioned basis, after described baking step, also to comprise step:
(6) traction, correction, tension stability, be linked into tail mechanism by the collector after oven dry and pull traction.
Another technical scheme of the present invention is on above-mentioned basis, after described traction, correction, tension stability step, also comprise step:
(7) rolling pole piece, the collector pulled out by discharging rolling-up mechanism carries out detecting rear rolling.
Another technical scheme of the present invention is on above-mentioned basis, and in described step (1), the range of speeds of metering conveying pump input backward and forward extrusion head pedestal is 30 ~ 32RPM.
Another technical scheme of the present invention is on above-mentioned basis, the coating width scope that in described step (2), extrusion die is arranged is 30 ~ 600mm, the extrusion coated interstice coverage that extrusion die is arranged is 60 ~ 150um, and the coating width that extrusion die is arranged and extrusion coated clearance mode comprise hand-held block and/or automatic mode.
Another technical scheme of the present invention is on above-mentioned basis, and the tension range that in described step (3), collector pulls out by control pulling force is 0.1 ~ 0.12MPa, and the velocity interval that collector pulls out by control pulling force is 6 ~ 7m/min.
Another technical scheme of the present invention is on above-mentioned basis, and the extrusion head in described step (4) and the distance range between the applicator roll of front are 140 ~ 150um, and the distance range between reverse side extrusion head and reverse side applicator roll is 140 ~ 150um.
Another technical scheme of the present invention is on above-mentioned basis, and in described step (5), the blower fan in positive and negative air channel turns scope is 600 ~ 1500rev/min, and the temperature range in positive and negative air channel is 50 ~ 100 DEG C.
Another technical scheme of the present invention is on above-mentioned basis, and the collector completing positive and negative extrusion coated in described step (6) is 0.12 ~ 0.18MPa by the tension range of haulage gear.
Another technical scheme of the present invention is on above-mentioned basis, is 0.12 ~ 0.15MPa in described step (7) by the tension range of collector rolling after drying.
Squash type double spread method of the present invention, comprise conveying slurry, extrude quantitative fixed width, collector unreels, the steps such as two-sided extrusion coating and oven dry, slurry is after agitation and filtration, by metering conveying pump input backward and forward extrusion head pedestal, the uniformity of slurry can be improved like this and accurately control the use amount of slurry, the gap of coating width and extrusion coated is set again by extrusion die, accurately can control width and the spacing distance of coating, be coated with further by two-sided extrusion, by collector from the discharge end of unreeling structure be linked into backward and forward extrusion head and positive and negative applicator roll and between, then the distance between backward and forward extrusion head and positive and negative applicator roll is controlled, spreading mass is coated with at collector positive and negative, complete the extrusion coated of positive and negative, the disposable double spread of pole piece can be realized like this, improve the uniformity of pole piece positive and negative coating thickness, also the loss of equipment and material is reduced.Meanwhile, pole piece also can be avoided due to upper and lower one side painting twice, and generation be full of cracks, active layer come off, the problem of damagine activity layer, thus improve stability and the service life of capacitor.And, in described baking oven, pole piece front is provided with infrared drying equipment, drying efficiency can be improved further like this.
Further, in squash type double spread method of the present invention, baking step comprises flash baking and dries at a slow speed two sub-steps, pole piece first carries out flash baking, the collector completing positive and negative extrusion coated is linked into by haulage gear in the full suspension baking oven in quick-drying district and carries out suspension drying, accelerate the speed of pole piece evaporation moisture content, improve drying efficiency, and then the coating speed of pole piece can be improved.And then dry at a slow speed, by complete quick-drying district dry after collector be linked into Double-face blowing slow curing district and carry out last ending and dry, solve dried pole piece dry outward in the disadvantage of wet and surperficial crowfoot cracks.Meanwhile, when carrying out flash baking to pole piece, adopting full suspension drying, better can control the two-sided uniformity of being heated of pole piece like this, ensure that the stability of pole piece, effectively can also avoid the secondary pollution of pole piece simultaneously, improve the quality making pole piece.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.
Fig. 1 is the flow chart of the squash type double spread method of the condenser plate that an embodiment of the present invention relates to;
Fig. 2 is the flow chart of the squash type double spread method of the condenser plate that the another kind of embodiment of the present invention relates to.
Detailed description of the invention
Describe the present invention below in conjunction with accompanying drawing, the description of this part is only exemplary and explanatory, should not have any restriction to protection scope of the present invention.In addition, those skilled in the art, according to the description of presents, can carry out respective combination to the feature in embodiment in presents and in different embodiment.
The embodiment of the present invention is as follows, refers to Fig. 1, and a kind of squash type double spread method, for the coating of condenser plate, comprises the following steps:
(1) carry slurry, slurry after agitation and filtration, inputs backward and forward extrusion head pedestal through metering conveying pump from slurry transfer tank;
(2) extrude quantitative, fixed width, set the gap of coating width and extrusion coated by extrusion die;
(3) collector unreels, and by unreeling and rectifying a deviation, controls tension force and is pulled out by collector;
(4) two-sided extrusion coating, collector from the discharge end of unreeling structure be linked into backward and forward extrusion head and positive and negative applicator roll and between, then control the distance between backward and forward extrusion head and positive and negative applicator roll, be coated with spreading mass at collector positive and negative, complete the extrusion coated of positive and negative;
(5) dry, the collector completing positive and negative extrusion coated is linked in baking oven by haulage gear and dries, in described baking oven, pole piece front is provided with infrared drying equipment.
Above-mentioned squash type double spread method, comprise conveying slurry, extrude quantitative fixed width, collector unreels, the steps such as two-sided extrusion coating and oven dry, slurry is after agitation and filtration, by metering conveying pump input backward and forward extrusion head pedestal, the uniformity of slurry can be improved like this and accurately control the use amount of slurry, the gap of coating width and extrusion coated is set again by extrusion die, accurately can control width and the spacing distance of coating, be coated with further by two-sided extrusion, by collector from the discharge end of unreeling structure be linked into backward and forward extrusion head and positive and negative applicator roll and between, then the distance between backward and forward extrusion head and positive and negative applicator roll is controlled, spreading mass is coated with at collector positive and negative, complete the extrusion coated of positive and negative, the disposable double spread of pole piece can be realized like this, improve the uniformity of pole piece positive and negative coating thickness, also the loss of equipment and material is reduced.Meanwhile, pole piece also can be avoided due to upper and lower one side painting twice, and generation be full of cracks, active layer come off, the problem of damagine activity layer, thus improve stability and the service life of capacitor.And in described baking oven, pole piece front is provided with infrared drying equipment, wherein, infrared drying equipment can be infrared lamp.Drying efficiency can be improved further like this.
On the basis of above-described embodiment, in another embodiment of the present invention, as shown in Figure 2, specifically can comprise in described baking step:
(51) flash baking, is linked into quick-drying district by the collector completing positive and negative extrusion coated by haulage gear and entirely carries out suspension drying in suspension baking oven; With
(52) dry at a slow speed, by complete quick-drying district dry after collector be linked into Double-face blowing slow curing district and carry out last ending and dry.
Baking step can comprise flash baking and dry at a slow speed two sub-steps, pole piece first carries out flash baking, the collector completing positive and negative extrusion coated is linked into by haulage gear in the full suspension baking oven in quick-drying district and carries out suspension drying, accelerate the speed of pole piece evaporation moisture content, improve drying efficiency, and then the coating speed of pole piece can be improved.And then dry at a slow speed, by complete quick-drying district dry after collector be linked into Double-face blowing slow curing district and carry out last ending and dry, solve dried pole piece dry outward in the disadvantage of wet and surperficial crowfoot cracks.Meanwhile, when carrying out flash baking to pole piece, adopting full suspension drying, better can control the two-sided uniformity of being heated of pole piece like this, ensure that the stability of pole piece, effectively can also avoid the secondary pollution of pole piece simultaneously, improve the quality making pole piece.
On the basis of above-described embodiment, in another embodiment of the present invention, the positive and negative air channel in described quick-drying district and/or slow curing district is individually blown, is heated separately.More accurately can control size and the speed of air channel air-supply like this, accurately control the temperature of baking zone.
On the basis of above-described embodiment, in another embodiment of the present invention, described quick-drying district and/or slow curing district are all at least provided with the upper tuyere of a row and the lower tuyere of a row, be installed with the drying channel that feed strip is passed through between described upper tuyere and lower tuyere, interlocking between described upper tuyere and lower tuyere is intervally arranged.Preferably, between described upper tuyere and lower tuyere, evenly arrange in staggered interval.Like this, interlock between upper tuyere and lower tuyere and be intervally arranged, be conducive to the stability improving air-supply, thus the stability improving pole piece oven dry, run, in addition, interlock between upper tuyere and lower tuyere and be intervally arranged, in air-supply drying course, the pole piece suspended can be made to be micro-S type, can not arbitrarily to rock, be conducive to improving the quality of drying.
On the basis of above-described embodiment, in another embodiment of the present invention, described upper tuyere and/or lower tuyere are towards the importer of drying channel to being provided with default angle of inclination.Preferably, described range of tilt angles is 3-60 degree.Like this, in drying course, pole piece moves inward from the import of drying channel, and the wind sent with upper tuyere and/or lower tuyere is formed and liquidates, and strengthens windage, is conducive to accelerating drying rate, improves drying efficiency.
On the basis of above-described embodiment, in another embodiment of the present invention, as shown in Figure 2, also comprise after described baking step and can comprise step: (6) traction, correction, tension stability, be linked into tail mechanism by the collector after oven dry and pull traction.
On the basis of above-described embodiment, in another embodiment of the present invention, as shown in Figure 2, can also comprise step after described traction, correction, tension stability step: (7) rolling pole piece, the collector pulled out by discharging rolling-up mechanism carries out detecting rear rolling.
On the basis of above-described embodiment, in another embodiment of the present invention, in described step (1), the range of speeds of metering conveying pump input backward and forward extrusion head pedestal is 30 ~ 32RPM.
On the basis of above-described embodiment, in another embodiment of the present invention, the coating width scope that in described step (2), extrusion die is arranged is 30 ~ 600mm, the extrusion coated interstice coverage that extrusion die is arranged is 60 ~ 150um, and the coating width that extrusion die is arranged and extrusion coated clearance mode comprise hand-held block and/or automatic mode.
On the basis of above-described embodiment, in another embodiment of the present invention, the tension range that in described step (3), collector pulls out by control pulling force is 0.1 ~ 0.12MPa, and the velocity interval that collector pulls out by control pulling force is 6 ~ 7m/min.
On the basis of above-described embodiment, in another embodiment of the present invention, the extrusion head in described step (4) and the distance range between the applicator roll of front are 140 ~ 150um, and the distance range between reverse side extrusion head and reverse side applicator roll is 140 ~ 150um.
On the basis of above-described embodiment, in another embodiment of the present invention, in described step (5), the rotation speed of fan scope in positive and negative air channel is 600 ~ 1500rev/min, and the temperature range in positive and negative air channel is 50 ~ 100 DEG C.
On the basis of above-described embodiment, in another embodiment of the present invention, the collector completing positive and negative extrusion coated in described step (6) is 0.12 ~ 0.18MPa by the tension range of haulage gear.
On the basis of above-described embodiment, in another embodiment of the present invention, or be 0.12 ~ 0.15MPa by the tension range of collector rolling after drying in described step (7).
A kind of squash type double spread method of the present invention, for the coating of condenser plate, the preparation of ultracapacitor positive/negative plate can be applied to especially, by conveying slurry, extrude quantitative fixed width, collector unreels, two-sided extrusion is coated with and the step such as oven dry, realize the disposable double spread of pole piece, improve the uniformity of pole piece positive and negative coating thickness, also reduce the loss of equipment and material.Simultaneously, independent ceramic heater and the system that blows separately up and down is up and down utilized to carry out drying, drying process is divided into quick-drying district operation and slow curing district operation, in quick-drying district, the auxiliary infrared heating that utilizes accelerates drying efficiency, quick exhaust system is also provided with in quick-drying district, accelerate the speed of pole piece evaporation moisture content, improve drying efficiency, solve dried pole piece dry outward in the disadvantage of wet and surperficial crowfoot cracks.Squash type double spread method of the present invention solves traditional condenser plate coating drying process, causes the difficult problems such as oven dry is thorough, pole piece buckling damagine activity layer because of pole piece variable thickness.The pole piece technique adopting the program to make is simple, location is coated with precisely, has saved mass energy, improves production efficiency, has reduced production cost, improve energy density and the internal resistance stabilizes of ultracapacitor simultaneously.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a squash type double spread method, for the coating of condenser plate, is characterized in that: comprise the following steps:
(1) carry slurry, slurry after agitation and filtration, inputs backward and forward extrusion head pedestal through metering conveying pump from slurry transfer tank;
(2) extrude quantitative, fixed width, set the gap of coating width and extrusion coated by extrusion die;
(3) collector unreels, and by unreeling and rectifying a deviation, controls tension force and is pulled out by collector;
(4) two-sided extrusion coating, collector from the discharge end of unreeling structure be linked into backward and forward extrusion head and positive and negative applicator roll and between, then control the distance between backward and forward extrusion head and positive and negative applicator roll, be coated with spreading mass at collector positive and negative, complete the extrusion coated of positive and negative;
(5) dry, the collector completing positive and negative extrusion coated is linked in baking oven by haulage gear and dries, in described baking oven, pole piece front is provided with infrared drying equipment.
2. squash type double spread method according to claim 1, is characterized in that, specifically comprise in described baking step:
Flash baking, is linked into quick-drying district by the collector completing positive and negative extrusion coated by haulage gear and entirely carries out suspension drying in suspension baking oven; With
Dry at a slow speed, by complete quick-drying district dry after collector be linked into Double-face blowing slow curing district and carry out last ending and dry.
3. squash type double spread method according to claim 2, is characterized in that, the positive and negative air channel in described quick-drying district and/or slow curing district is individually blown, heated separately; Or described quick-drying district and/or slow curing district are all at least provided with the upper tuyere of a row and the lower tuyere of a row, are installed with the drying channel that feed strip is passed through between described upper tuyere and lower tuyere, staggeredly between described upper tuyere and lower tuyere to be intervally arranged.
4. squash type double spread method according to claim 3, is characterized in that, after described baking step, also comprise step:
(6) traction, correction, tension stability, be linked into tail mechanism by the collector after oven dry and pull traction.
5. squash type double spread method according to claim 4, is characterized in that, after described traction, correction, tension stability step, also comprise step:
(7) rolling pole piece, the collector pulled out by discharging rolling-up mechanism carries out detecting rear rolling.
6. squash type double spread method according to any one of claim 1 to 5, is characterized in that, in described step (1), the range of speeds of metering conveying pump input backward and forward extrusion head pedestal is 30 ~ 32RPM.
7. squash type double spread method according to any one of claim 1 to 5, it is characterized in that, the coating width scope that in described step (2), extrusion die is arranged is 30 ~ 600mm, the extrusion coated interstice coverage that extrusion die is arranged is 60 ~ 150um, and the coating width that extrusion die is arranged and extrusion coated clearance mode comprise hand-held block and/or automatic mode.
8. squash type double spread method according to any one of claim 1 to 5, it is characterized in that, the tension range that in described step (3), collector pulls out by control pulling force is 0.1 ~ 0.12MPa, and the velocity interval that collector pulls out by control pulling force is 6 ~ 7m/min; Or extrusion head in described step (4) and the distance range between the applicator roll of front are 140 ~ 150um, the distance range between reverse side extrusion head and reverse side applicator roll is 140 ~ 150um.
9. the squash type double spread method according to any one of claim 3 to 5, it is characterized in that, in described step (5), the rotation speed of fan scope in positive and negative air channel is 600 ~ 1500rev/min, and the temperature range in positive and negative air channel is 50 ~ 100 DEG C.
10. squash type double spread method according to claim 5, is characterized in that, the collector completing positive and negative extrusion coated in described step (6) is 0.12 ~ 0.18MPa by the tension range of haulage gear; Or be 0.12 ~ 0.15MPa by the tension range of collector rolling after drying in described step (7).
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| CN201510944445.XA CN105413981A (en) | 2015-12-16 | 2015-12-16 | Extrusion type double-surface coating method |
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| CN201510944445.XA CN105413981A (en) | 2015-12-16 | 2015-12-16 | Extrusion type double-surface coating method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105921365A (en) * | 2016-06-23 | 2016-09-07 | 东莞市德瑞精密设备有限公司 | High-precision coating machine |
| CN105964477A (en) * | 2016-06-28 | 2016-09-28 | 海宁辛帝亚自动化科技有限公司 | Automatic coating supply system |
| CN109513576A (en) * | 2019-01-02 | 2019-03-26 | 蜂巢能源科技有限公司 | Determine the method and its application of the opening width of extrusion coated gasket |
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| CN203155467U (en) * | 2013-04-02 | 2013-08-28 | 宁德新能源科技有限公司 | Extrusion coating weight control system |
| CN203620875U (en) * | 2013-12-08 | 2014-06-04 | 四川一美能源科技有限公司 | Bipolar-slice extrusion coating device |
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| CN105921365A (en) * | 2016-06-23 | 2016-09-07 | 东莞市德瑞精密设备有限公司 | High-precision coating machine |
| CN105921365B (en) * | 2016-06-23 | 2018-09-18 | 东莞市德瑞精密设备有限公司 | A kind of high-precision coating machine |
| CN105964477A (en) * | 2016-06-28 | 2016-09-28 | 海宁辛帝亚自动化科技有限公司 | Automatic coating supply system |
| CN109513576A (en) * | 2019-01-02 | 2019-03-26 | 蜂巢能源科技有限公司 | Determine the method and its application of the opening width of extrusion coated gasket |
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