CN102357441A - Interval type coating machine head - Google Patents
Interval type coating machine head Download PDFInfo
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- CN102357441A CN102357441A CN2011103074732A CN201110307473A CN102357441A CN 102357441 A CN102357441 A CN 102357441A CN 2011103074732 A CN2011103074732 A CN 2011103074732A CN 201110307473 A CN201110307473 A CN 201110307473A CN 102357441 A CN102357441 A CN 102357441A
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Abstract
An interval type coating machine head comprises a drive roll and a hopper located at one side of the drive roll and feeding the drive roll, an upper knife edge located above the drive roll, arranged along a same direction of the axial direction of the drive roll and used for evenly distributed slurry, a back roll used for delivering pole pieces and a reciprocate driving device used for driving the back roll and the drive roll to be in interval contact. The upper knife edge is a plate-type upper knife edge which comprises a three-dimensional hanging body, and a plate-type blade is arranged on the lower bottom face of the three-dimensional hanging body which is in a same plane with a coating line of the coating machine head. The interval type coating machine head is high in uniformity of coating piece thickness and accuracy, free of limitation of mounting position and height, capable of removing accumulated material pressure between included angles. Rotational speed of a feeding roll can be freely controlled, feeding amount on the curved surface of the drive roll is even and unanimous, the feeding roll has good stirring effect, the slurry can be avoided depositing in the hopper, and influences on the pole piece of dry materials are avoided. Two edges of the pole piece can not wrinkle.
Description
Technical field
The present invention relates to a kind of coating machine head, more particularly, it relates to the clearance-type coating machine head that a kind of lithium ion battery film-making painting process uses.
Background technology
Existing lithium ion battery clearance-type coating machine head generally adopts the structure of the edge of a knife 200 on circular drive roll 100 and the comma formula that is positioned at drive roll 100 tops to come coating sizing-agent 600; As shown in Figure 1, because drive roll 100 ceaselessly rotates when work, the time one is long; Buildup 700 can be shaped in active rod 100 circle external diameters and the last edge of a knife 200 circle angles that external diameter forms; Find after deliberation, be positioned at the buildup 710 on the coating line 800 in the buildup, have the greatest impact for the thickness evenness of the slip 600 on the pole piece after the coating; The buildup 710 that is positioned on the coating line 800 (coating line 800 was meant the tangent line of 200 the most following on the edge of a knife on the comma formula) is few more; Far away more from coating clearance 900 (coating clearance 900 is meant that the place down and the drive roll 100 of the edge of a knife 200 gone up the gap between the place most on the comma formula), 700 pairs of coating clearance 900 pressure of its buildup are more little, and slip 600 is through behind the scraper; It is just little that buildup 700 release pressures are delivered to the pressure of scraping on drive roll 100 curved surfaces of material back; Influence to slip 600 is just little, slip 600 fixed thick just accurate more, and the uniformity of slip 600 is just good more.In clearance-type coating machine head, the diameter of drive roll 100 is certain, and its rotating speed also is certain; Want to make the thickness of 700 pairs of slips 600 of buildup and uniformity influence minimum, just must make buildup 700 leave coating clearance 900, after deliberation as much as possible far; The diameter of finding the edge of a knife 200 on the comma formula is big more, and its cloth evenness and accuracy are just good more; The infinity that the diameter of the edge of a knife 200 can not be done on the comma formula, the one, cost does not allow, and the 2nd, installing space does not allow; The 3rd, the diameter of the edge of a knife 200 is excessive on the comma formula, and it certainly will cause the weight of the edge of a knife too heavy, and is difficult to adjust the coating clearance 900 of the edge of a knife on the comma formula 200 and drive roll 100, thereby influences the uniformity of the slurry thickness on the pole piece; The 4th, on the excessive comma formula of volume the edge of a knife 200 its make trouble, cost of manufacture is high.
Also there is following several problem in traditional clearance-type coating machine head; The one, in order to realize the gap cloth, generally adopt back flow roll 400 to contact at interval with drive roll 100, realize gap coating to slip 600; Back flow roll 400 contacts with drive roll 100, in matrix foil 500 coat slurry 600; Back flow roll 400 leaves with drive roll 100, reserves slip gap 610; This clearance-type coating machine head contacts moment at back flow roll 400 with drive roll 100; Back flow roll 400 directly with drive roll 100 on slip contact; Thickness when often the initial thickness of slip 600 is greater than drive roll 100 with back flow roll 400 normal contacts, it is thick to be referred to as in the industry to start; In addition, when back flow roll 400 with after drive roll 100 contacts certain hour, also can form buildup 410 between roller at two roller touching positions, buildup 410 can form conditions of streaking by trailing edge between said roller on pole piece after two rollers leave mutually, it is long to be referred to as hangover in the industry; Start thick and the long quality that all can influence pole piece of hangover.The 2nd, what traditional clearance-type coating machine head adopted is that hopper 300 directly contacts with drive roll 100; Through the rotation of drive roll 100 slip is attached on the drive roll 100; In order to realize the width of scalable pole piece, tend to establish two backgauge sheets 310,320 at hopper 300, as shown in Figure 2; When drive roll 100 rotations; The material at roller 100 middle parts of having the initiative presses P1 to disperse to drive roll 100 both sides, presses P2, P3 an outside direction to disperse and handle in drive roll 100 and backgauge sheet 310,320 inboard material, so just causes slip 600 unequal at the pulp density of drive roll 100 mid portions and 310,320 liang of inside parts of backgauge sheet; The concentration of two side portions is greater than the pulp density of drive roll 100 mid portions, and the slip of the dual-side that its last result who is coated with is a pole piece is thicker; Secondly the mode of this direct hopper feed also exists slip to precipitate (because existing slurry all is the solid powder aqueous solution) easily, and the alr mode of this hopper is to stir back and forth in hopper about 300 with stirring rod, and its effect is extremely undesirable; Moreover, do not adhered to clean siccative from what drive roll 100 was taken back exactly by back flow roll, getting into hopper 300 once more can not stir in time, also influences pulp density, thereby influences the quality of pole piece.
Thick inaccurate, uneven in order to solve above-mentioned traditional existing material of clearance-type coating machine head, it is thick to start, and hangover is long; Pole piece both sides rim charge is thick big, and hopper stirs undesirable the grade and store up many problems, and people have invented a kind of extrusion coater head; As shown in Figure 3; It is that a direct side at back flow roll 400 is provided with extruding jet 110, and said extruding jet 110 comprises feed slurry inlet 111, slurry circulation outlet 112 and slip nozzle 113; Export 112 inlet amounies and load through control feed slurry inlet 111 with slurry circulation, thus the spray material amount of control slip nozzle 113.This coating machine head, it is thick inaccurate, uneven to overcome the existing material of clearance-type coating machine head effectively, and it is thick to start, and hangover is long; Pole piece both sides rim charge is thick big, and hopper stirs the undesirable many problems of storing up that wait, still; Extrusion coater is very high to the requirement of slip, must be with the granularity of slip, and concentration and decentralization are strict controlled in the critical field; Otherwise the blocked problem of slip nozzle 113 will occur, therefore, this extrusion coater head generally is furnished with ten grades of decentralized institutions; Its structure and control program are complicated, like this, just cause this extrusion coater head price very expensive; And domesticly also can't independently produce, the import that places one's entire reliance upon makes domestic associated batteries enterprise can not use.
Summary of the invention
In order to overcome the problem that exists in the above-mentioned prior art, the purpose of this invention is to provide the good clearance-type coating machine head of a kind of cloth evenness and accuracy.
Another object of the present invention is: provide a kind of slip controlled clearance-type coating machine head.
Technical scheme of the present invention is: a kind of clearance-type coating machine head is provided; Comprise drive roll, be positioned at the hopper that drive roll one side is given the drive roll material loading; Be positioned on the drive roll the last edge of a knife of axially arranging in the same way that is used for even cloth slip with drive roll, be used to carry the back flow roll of pole piece, and the reciprocating drive unit that contacts with the drive roll gap of driving back flow roll; The said edge of a knife of going up is the board-like edge of a knife of going up; The said board-like edge of a knife of going up comprises a stereo structure hanging body, on the bottom surface of said stereo structure hanging body, is provided with template blade, and the coating line of the bottom surface of said template blade and coating machine head is in same plane.
As to improvement of the present invention, on the lateral surface of said stereo structure hanging body, be provided with controlled secondary cutter, when said secondary cutter descended, its auxiliary-blade contacted with the drive roll surface, cuts off the coating of slurry on drive roll.
As to further improvement of the present invention, said secondary cutter be by control chip by preset program, drive through performer.
As to further improvement of the present invention, said performer is cylinder or oil cylinder.
As to further improvement of the present invention, on the upper bottom surface of said stereo structure hanging body, be provided with the fine setting screw mandrel, the lower end of said fine setting screw mandrel withstands on the upper bottom surface of said template blade.
As to further improvement of the present invention, said fine setting screw mandrel is three at least, vertically is arranged on the upper bottom surface of stereo structure hanging body.
As to further improvement of the present invention, said hopper is arranged on the below of a relative skew back with said back flow roll of said drive roll, in said hopper, is provided with material roller, said material roller and the said drive roll and tangent gone up.
As to further improvement of the present invention, saidly go up the Down Highway of material roller and the inner bottom surface of hopper almost is close to.
As to further improvement of the present invention, the have the initiative oblique below of roller of said back flow roll, the direct of travel of said pole piece is for to advance to oblique upper, the direct of travel of pole piece and the angle of horizontal plane greater than 0 degree smaller or equal to 15 degree; The up-down direction of said lifting drive driving back flow roll is vertical with the direct of travel of said pole piece.
As to further improvement of the present invention, the thickness of the said board-like template blade that goes up the edge of a knife more than or equal to 0.1mm smaller or equal to 2mm.
The invention has the beneficial effects as follows:
1, owing to adopted dull and stereotyped upper slitter mouth structure, can obviously improve the uniformity and the accuracy of plate coating thickness, also not receive the restriction of the house height of infield; The width-adjustable of dull and stereotyped cutter can be eliminated buildup material pressure between the angle; The board-like edge of a knife of going up has easy to processly than the edge of a knife on the comma formula, and regulate also advantage easily.
2, going up the material roller rotary speed can freely control, last material roller rotary speed control material loading amount; Last material roller shifts material loading, drive roll curved surface material loading amount uniformity consistency; The drive roll slip becomes free state, and unstressed release guarantees that thickness is more uniform and stable; And last material roller has good stirring action, can prevent that slip from depositing in hopper, and siccative is to the influence of pole piece.
3, back flow roll is arranged on the oblique below of drive roll, and pole piece advances towards oblique upper, and lifting drive to drive the up-down direction of back flow roll vertical with the direct of travel of said pole piece.Use pole piece always to have a dividing potential drop to be pressed on the third wheel like this, make the tight all the time obedient third wheel in two edges of pole piece, therefore, the two edges of pole piece just can not be wrinkling.
Description of drawings
Fig. 1 is the planar structure sketch map of a kind of embodiment of previous clearance-type coating machine head.
Fig. 2 is the planar structure sketch map at another visual angle of hopper among Fig. 1.
Fig. 3 is the planar structure sketch map of a kind of embodiment of previous extrusion coater head.
Fig. 4 is the planar structure sketch map of an embodiment of the present invention.
Fig. 5 is that drive roll and back flow roll do not have the structural representation that material closes roller.
Fig. 6 is the structural representation that drive roll and back flow roll buildup are shared.
The specific embodiment
See also Fig. 4; What Fig. 4 disclosed is a kind of clearance-type coating machine head, comprises drive roll 1, is positioned at the hopper 2 that drive roll 1 one sides are given drive roll 1 material loading, is positioned on the drive roll 1 the last edge of a knife of axially arranging in the same way that is used for even cloth slip 6 with drive roll 1; Be used to carry the back flow roll 4 of pole piece 7; And drive the reciprocating drive unit that back flow roll 4 contacts with drive roll 1 gap, and the said edge of a knife of going up is the board-like edge of a knife 3 of going up, the said board-like edge of a knife 3 of going up comprises a stereo structure hanging body 31; On the bottom surface 311 of said stereo structure hanging body 31, be provided with template blade 32, the bottom surface 321 of said template blade 32 and the coating line 8 of coating machine head are in same plane; Adopt template blade 32 and let the coating line 8 of bottom surface 321 and coating machine head of template blade 32 in same plane; Like this; Template blade 32 is freely at the fore-and-aft direction of head, can not receive house floor height restriction (edge of a knife diameter is too big on the comma formula, just can receive house floor height restriction); The width of template blade 32 can be specifically designs according to the diameter of drive roll 1; The width adjusting of template blade 32 is few as much as possible to the buildup that is positioned on the coating line in the slip that drive roll 1 is brought up, and far away as much as possible from coating clearance, so; What influence is buildup almost do not have to the thickness of pole piece, this be on the traditional comma formula edge of a knife can't realize.Among the present invention, on the upper bottom surface 313 of said stereo structure hanging body 31, be provided with fine setting screw mandrel 314, the lower end of said fine setting screw mandrel 314 withstands on the upper bottom surface of said template blade 32; And in the present embodiment, said fine setting screw mandrel 314 is three at least, vertically is arranged on the upper bottom surface 313 of stereo structure hanging body 31; Like this; Can realize finely tuning the coating clearance of the left, center, right of template blade, can be very like a cork the bottom surface of template blade 32 be adjusted to curved surface, reach fine setting coating clearance.In the present embodiment, the thickness of the said board-like template blade 32 that goes up the edge of a knife 3 more than or equal to 0.1mm smaller or equal to 2mm.
Among the present invention, said hopper 2 is arranged on the below of a relative skew back with said back flow roll of said drive roll 1, in said hopper 2, is provided with material roller 5, said material roller 5 and the said drive roll 1 and tangent gone up; And the said Down Highway 51 of going up material roller 5 almost is close to the inner bottom surface 21 of hopper 2.The hopper 2 of this structure can solve three problems, and the one, through the slurry transmission of last material roller 5, the lateral pressure of slurry can be overcome, thereby the thick problem of pole piece 7 both sides material can be overcome the inboard of striker plate; The 2nd, because the said Down Highway 51 of going up material roller 5 almost is close to the inner bottom surface 21 of hopper 2, when last material roller 5 rotates, can stir slurry 6 well, can not use slurry 6 to be deposited on the bottom of hopper 2 yet; The 3rd, if having on the drive roll minute quantity be not coated with clean siccative 61 with back flow roll 4 time, also can get into hopper 2 after, under the effect of last material roller 5, pulverized fully, and mixed with slip 6.
Among the present invention, the have the initiative oblique below of roller 1 of said back flow roll 4, the direct of travel of said pole piece 7 is for to advance to oblique upper, the direct of travel of pole piece 7 and the angle of horizontal plane greater than 0 degree smaller or equal to 15 degree; The up-down direction 9 of said lifting drive driving back flow roll 4 is vertical with the direct of travel of said pole piece 7.Use pole piece 7 always to have a dividing potential drop to be pressed on the third wheel 11 like this, make the tight all the time obedient third wheel 11 in two edges of pole piece 7, therefore, the two edges of pole piece 7 just can not be wrinkling.
Among the present invention; On the lateral surface 312 of said stereo structure hanging body 31, be provided with the secondary cutter 33 by the control of performer 34, when said secondary cutter 33 descended, the blade 315 of its secondary cutter 33 contacted with drive roll 1 surface; Cut off the coating of slurry 6 on drive roll 1; When said secondary cutter 33 rose, the blade 315 of its secondary cutter 33 broke away from drive roll 1 surface, allows the normal coating of slurry 6 on drive roll 1.And said secondary cutter 33 be by control chip by preset program, drive through performer 34; Said performer 34 can be cylinder or oil cylinder; Like this; By predefined program, control the lifting time of secondary cutter 33 accurately, the interval 11 that it is formed on drive roll 1; Just in time the roller that closes with back flow roll 4 is in nothing material contact condition, can solve the problem (referring to Fig. 5) of " it is thick to start " like this.
The applicant reserves a part of prolongation amount 12 in the interval 11 that drive roll 1 forms; After back flow roll 4 leaves drive roll 1; The buildup 71 that between two rollers, forms just can be coated in the prolongation amount 12, has solved the long problem (referring to Fig. 6) of hangover of existing clearance-type coating machine head.
Claims (10)
1. clearance-type coating machine head; Comprise drive roll (1), be positioned at the hopper (2) that drive roll (1) one side is given drive roll (1) material loading; Be positioned on the drive roll (1) the last edge of a knife of axially arranging in the same way that is used for even cloth slip (6) with drive roll (1); Be used to carry the back flow roll (4) of pole piece (7); And drive back flow roll (4) and the reciprocating drive unit that drive roll (1) gap contacts, it is characterized in that: the said edge of a knife of going up is the board-like edge of a knife (3) of going up, and the said board-like edge of a knife (3) of going up comprises a stereo structure hanging body (31); On the bottom surface (311) of said stereo structure hanging body (31), be provided with template blade (32), the bottom surface (321) of said template blade (32) and the coating line (8) of coating machine head are in same plane.
2. clearance-type coating machine head according to claim 1; It is characterized in that: on the lateral surface (312) of said stereo structure hanging body (31), be provided with controlled secondary cutter (33); When said secondary cutter (33) descends; Its auxiliary-blade contacts with the drive roll surface, cuts off the coating of slurry (6) on drive roll (1).
3. clearance-type coating machine head according to claim 1 and 2 is characterized in that: said secondary cutter (33) be by control chip by preset program, drive through performer (34).
4. clearance-type coating machine head according to claim 3 is characterized in that: said performer (34) is cylinder or oil cylinder.
5. clearance-type coating machine head according to claim 4; It is characterized in that: on the upper bottom surface (313) of said stereo structure hanging body (31), be provided with fine setting screw mandrel (314), the lower end of said fine setting screw mandrel (314) withstands on the upper bottom surface of said template blade (32).
6. clearance-type coating machine head according to claim 5 is characterized in that: said fine setting screw mandrel (314) is three at least, vertically is arranged on the upper bottom surface (313) of stereo structure hanging body (31).
7. clearance-type coating machine head according to claim 6; It is characterized in that: said hopper (2) is arranged on the below of a relative skew back with said back flow roll of said drive roll (1); In said hopper (2), be provided with material roller (5), said material roller (5) and the said drive roll (1) and tangent gone up.
8. clearance-type coating machine head according to claim 7 is characterized in that: the said Down Highway (51) of going up material roller (5) almost is close to the inner bottom surface (21) of hopper (2).
9. clearance-type coating machine head according to claim 8; It is characterized in that: the have the initiative oblique below of roller (1) of said back flow roll (4); The direct of travel of said pole piece (7) is for to advance to oblique upper, and the angle (α) of the direct of travel of pole piece (7) and horizontal plane (8) is spent smaller or equal to 15 greater than 0 degree; The up-down direction (9) of said lifting drive driving back flow roll (4) is vertical with the direct of travel of said pole piece (7).
10. clearance-type coating machine head according to claim 9 is characterized in that: the thickness of the said board-like template blade (32) that goes up the edge of a knife (3) more than or equal to 0.1mm smaller or equal to 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110307473 CN102357441B (en) | 2011-10-12 | 2011-10-12 | Interval type coating machine head |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110307473 CN102357441B (en) | 2011-10-12 | 2011-10-12 | Interval type coating machine head |
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| CN102357441A true CN102357441A (en) | 2012-02-22 |
| CN102357441B CN102357441B (en) | 2013-08-07 |
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| CN 201110307473 Active CN102357441B (en) | 2011-10-12 | 2011-10-12 | Interval type coating machine head |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104056760A (en) * | 2014-07-02 | 2014-09-24 | 深圳市信宇人科技有限公司 | Gap-type blade coating method and coating device thereof |
| CN104588260A (en) * | 2015-01-27 | 2015-05-06 | 深圳市金之彩文化创意有限公司 | Gluing machine and gluing method |
| CN104786641A (en) * | 2015-04-30 | 2015-07-22 | 谢乐天 | Coating printing mechanism |
| CN105944906A (en) * | 2016-06-20 | 2016-09-21 | 许昌中亚工业智能装备股份有限公司 | Automatic air blade coating machine |
| CN110109328A (en) * | 2019-06-04 | 2019-08-09 | 深圳市科洛德打印耗材有限公司 | A kind of manufacturing process of long-life high-resolution wide cut diameter printer toner cartridge |
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| CN201086049Y (en) * | 2007-08-15 | 2008-07-16 | 深圳市信宇人科技有限公司 | Interstice type coating machine head |
| CN201940345U (en) * | 2011-03-24 | 2011-08-24 | 新乡市鼎鑫机械有限公司 | Wide type precise coating machine for floor made of PVC (polyvinyl chloride) artificial leather and rear coating knife mechanism of coating machine |
| JP2011194350A (en) * | 2010-03-23 | 2011-10-06 | Dainippon Printing Co Ltd | Blade apparatus adjusting coating amount |
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| CN1327273A (en) * | 2000-06-01 | 2001-12-19 | 平野有限公司 | Intermittent coating method and its device thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104056760A (en) * | 2014-07-02 | 2014-09-24 | 深圳市信宇人科技有限公司 | Gap-type blade coating method and coating device thereof |
| CN104588260A (en) * | 2015-01-27 | 2015-05-06 | 深圳市金之彩文化创意有限公司 | Gluing machine and gluing method |
| CN104786641A (en) * | 2015-04-30 | 2015-07-22 | 谢乐天 | Coating printing mechanism |
| CN105944906A (en) * | 2016-06-20 | 2016-09-21 | 许昌中亚工业智能装备股份有限公司 | Automatic air blade coating machine |
| CN105944906B (en) * | 2016-06-20 | 2018-02-27 | 许昌中亚工业智能装备股份有限公司 | A kind of automatic air knife type coater |
| CN110109328A (en) * | 2019-06-04 | 2019-08-09 | 深圳市科洛德打印耗材有限公司 | A kind of manufacturing process of long-life high-resolution wide cut diameter printer toner cartridge |
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|---|---|
| CN102357441B (en) | 2013-08-07 |
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Address after: Longgang District of Shenzhen City, Guangdong province 518000 Dragon Street Huilong Po community hoffen (Longgang) Industrial Area No. 2 plant floor, two floor, third floor, four floor Patentee after: Shenzhen xinyuren Polytron Technologies Inc Address before: Lu Hongfeng Industrial Zone No. 38 Hui Pu Cun Longgang District of Shenzhen City, Guangdong Province, No. 1 518000 Patentee before: Shenzhen Xinyuren Technology Co., Ltd. |
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Denomination of invention: Interval type coating machine head Effective date of registration: 20190410 Granted publication date: 20130807 Pledgee: Bank of Beijing Limited by Share Ltd Shenzhen branch Pledgor: Shenzhen xinyuren Polytron Technologies Inc Registration number: 2019990000315 |
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Date of cancellation: 20200722 Granted publication date: 20130807 Pledgee: Bank of Beijing Limited by Share Ltd. Shenzhen branch Pledgor: SHENZHEN XINYUREN TECHNOLOGY Co.,Ltd. Registration number: 2019990000315 |
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