CN102513271B - Automatic feeding system and coating machine - Google Patents
Automatic feeding system and coating machine Download PDFInfo
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- CN102513271B CN102513271B CN201110425703.5A CN201110425703A CN102513271B CN 102513271 B CN102513271 B CN 102513271B CN 201110425703 A CN201110425703 A CN 201110425703A CN 102513271 B CN102513271 B CN 102513271B
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- 238000001125 extrusion Methods 0.000 claims description 65
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- 238000011068 loading method Methods 0.000 claims description 15
- 230000001105 regulatory effect Effects 0.000 claims description 11
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- 239000002390 adhesive tape Substances 0.000 claims description 6
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- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
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- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
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- 239000010703 silicon Substances 0.000 description 2
- 238000007581 slurry coating method Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention provides an automatic feeding system, comprising a material storage tank (1), a circulating pump (2) and a coating and feeding device (4) for feeding a coating roller (6), wherein the material storage tank (1), the circulating pump (2) and the coating and feeding device (4) are communicated with one another; and slurry flows back to the material storage tank (1) through the material storage tank (1), the circulating pump (2) and the coating and feeding device (4), so as to form a circulating loop. The system provided by the invention has the advantages of ensuring the performance stability of the slurry in a production process, preventing an accumulation phenomenon from happening, and improving the uniformity of a coated product. The invention further provides a coating machine.
Description
Technical field
The present invention relates to a kind of automatical feeding system and include the coating machine of this automatical feeding system.
Background technology
Coating waste water technology and coating apparatus are widely used in the production field such as printing packaging, adhesive film already.Because the characteristic of product is different, the kind of coating waste water technology is a lot, dry type roughly can be divided into be coated with and the large class of wet two.In actual production, the scope of application of wet is coated with much larger than dry type, its operation principle above applies the slurry of one deck specific function as glue, coating or ink etc. at the base material (as paper, metal forming, plastic sheeting etc.) of rolling, and rolling after drying.
Along with further developing of high-tech industry, coating waste water technology also progressively expands other technologies field to.Such as, along with the development of electric vehicle engineering, start in automobile to adopt lithium-ion-power cell, and need in the manufacturing process of lithium-ion-power cell to adopt coating waste water technique.And higher requirement is proposed to the performance of vapour vehicle lithium-ion power battery.Except to except the requirement height of coating uniformity, also require coating very thin and the flaw such as bubble-free, particle.Specifically, not only require that coating apparatus optimum configurations is correct, stable, also require that size performance is stablized.And at present in the making of lithium-ion-power cell, what adopt in coating process is substantially all traditional coating apparatus, as transfer type coating machine.
Traditional coating apparatus adopts hopper to hold slurry, makes the slurry contact in applicator roll and hopper, drives slurry to be coated on base material during applicator roll.In current production, Problems existing is, slurry enters after hopper because size performance is unstable, when its long period expose in atmosphere with the contact with moisture in air, the liquid level near hopper surrounding is easily caused to occur skin effect phenomenon, these phenomenons all can cause crawling even, and there is the flaws such as microparticle, this can have a huge impact the performance of slurry coating.In addition, adopt traditional coating machine, under the effect of pile up effect, easily there is lamination in slurry, and namely lighter in slurry component can rest on heap cone top, heavier component first can move to the bottom of heap cone, material is thus formed the secondary separation to slurry, make slurry generation filling settlement in hopper, the uniformity of impact coating, thus can make to produce very big-difference with the right and left in the middle part of pole piece in battery, thus impact is greatly produced on the performance of lithium-ion-power cell.
In addition, common slurry all adopts poisonous organic solvent to dilute, and existing slurry is all open wide to place in atmosphere, lets alone the unlimited toxic gas caused that volatilizees and can produce harm to the health of operating personnel in coating process.
Summary of the invention
Technical problem to be solved by this invention is for above shortcomings in prior art, a kind of automatical feeding system and the coating machine comprising this system are provided, this automatical feeding system structure is simple, can the stability of slurry in production control process, effectively avoid slurry to occur pile up effect.
Solving technical scheme that the technology of the present invention problem adopts is that this automatical feeding system comprises storage tank, circulating pump and for the coating feeding device of applicator roll material loading, be communicated with between described storage tank, circulating pump and coating feeding device, slurry flows back to storage tank after storage tank, circulating pump, coating feeding device, forms closed circuit.
Like this, slurry, under circulating pump drives, constantly circulates, thus there will not be pile up effect, stable performance between storage tank and coating feeding device.
Preferably, the input of described coating feeding device is communicated with the bottom of storage tank through circulating pump by material loading pipeline, and the output of described coating feeding device is communicated with the top of storage tank by return pipeline.
Wherein, described coating feeding device comprises charging barrel, and the inner hollow of described charging barrel, for accommodation slurry, described charging barrel offers slurry extrusion.Described slurry is extruded from slurry extrusion, and is applied on applicator roll.
Preferably, described charging barrel adopts stainless steel material to make, its shape is cylindrical or the semicolumn bodily form, and close to the position of applicator roll on the sidewall that slurry extrusion is arranged on charging barrel, the liquid level of the slurry in charging barrel is higher than the height of slurry extrusion.In coating process, because the liquid level of slurry is high, air can be stoped to enter in this system, the barotropic state in maintenance system.
Preferably, the shape of described slurry extrusion is strip, and its length is 10-500mm, and width is 0.1-10 μm.
Further preferably, the length adjustment mechanism and width adjustment mechanism that respectively length and the width of slurry extrusion are regulated also is included in described coating feeding device, by regulating the size of slurry extrusion, the pressure of adjustable system and extrusion capacity, thus by obtaining suitable extrusion capacity, reduce slurry aerial open-assembly time further.
Further preferably, described length adjustment mechanism comprises the movable seal adhesive tape being arranged on slurry extrusion length direction both sides, by moving described sealing joint strip along the length direction of slurry extrusion, thus can regulate the length of slurry extrusion; Described width adjustment mechanism comprises slideable baffle plate and screw rod, described slideable baffle plate and charging barrel are fitted, and be arranged on slurry extrusion position, described slideable baffle plate can slide along the width of slurry extrusion, described screw rod is used for fixing described slideable baffle plate, by screw rod, slideable baffle plate is fixed on the diverse location of slurry extrusion width, thus the width of slurry extrusion can be regulated.
Preferably, the internal pressure of described charging barrel is normal pressure, and its built-in pressure ratio atmospheric pressure height 0.01-0.2MPa.Normal pressure in coating feeding device has the active force of outwards exclusion to slurry, simultaneously because slurry extrusion width-adjustable, thus slurry extrusion capacity is also adjustable, adjust malleation size and slurry extrusion capacity by the width of adjustment slurry extrusion and the operating frequency of circulating pump, and then can coating thickness be controlled.
Preferably, described charging barrel and storage tank all adopt enclosed construction, the two ends of charging barrel are respectively equipped with charging aperture and discharging opening, described charging aperture and discharging opening form input and the output of coating feeding device respectively, described charging aperture is communicated with the bottom of storage tank through circulating pump by material loading pipeline, and described discharging opening is communicated with the top of storage tank by return pipeline.In order to prevent slurry to be deposited in bottom storage tank, making circulation more thorough, thus adopting above-mentioned connected mode.
In order to prevent slurry to the corrosiveness of material loading pipeline and return pipeline, preferred material loading pipeline and return pipeline are that corrosion-resistant material is made, such as PP pipe, pvc pipe.
The frequency of preferred described circulating pump cycle rotation is 10-35 beat/min.
Preferably, described storage tank adopts the storage tank with agitating function.
A kind of coating machine adopting above automatical feeding system.
Preferably, also include coating blade in this coating machine, the setting position of described coating blade is the exterior surface being coated with slurry with applicator roll, is evenly distributed for making slurry.
Slurry thickness on preferred described applicator roll is 10-200 μm.
The invention has the beneficial effects as follows: the properties of product that this automatical feeding system can make coating produce are stablized; the frequent shutdown because of coating generation sedimentation can be avoided to change slurry; improve production efficiency, also make the uniformity of coated product improve simultaneously, thus improve product yield.Further, because whole system is in semitight state, the solvent in slurry can not evaporate, and solved slurry when in the past producing for a long time and be exposed to outer solvent and volatilize the problem caused, while also can not work the mischief to environment and staff.
Accompanying drawing explanation
Fig. 1 is the structural representation of automatical feeding system in the embodiment of the present invention 1;
Fig. 2 is the operating diagram being coated with feeding device in embodiment 1;
Fig. 3 is the enlarged diagram of width adjustment mechanism in embodiment 1.
In figure: 1-storage tank; 2-circulating pump; 3-material loading pipeline; 4-is coated with feeding device; 5-return pipeline; 6-applicator roll; 7-slurry extrusion; 8-coating blade; The accurate thickness measure rule of 9-; 10-screw rod; The slideable baffle plate of 11-; 12-sealed silicon adhesive tape.
Detailed description of the invention
For making those skilled in the art understand technical scheme of the present invention better, below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail.
A kind of automatical feeding system, comprise storage tank 1, circulating pump 2 and for the coating feeding device 4 of applicator roll 6 material loading, be communicated with between described storage tank 1, circulating pump 2 and coating feeding device 4, slurry flows back to storage tank 1 after storage tank 1, circulating pump 2, coating feeding device 4, forms closed circuit.
Embodiment 1:
As shown in Figure 1, this automatical feeding system comprises coating feeding device 4, circulating pump 2 and storage tank 1.Wherein, the input of coating feeding device 4 is communicated with through the bottom of circulating pump 2 with storage tank 1 by material loading pipeline 3, the output of described coating feeding device 4 is communicated with the top of storage tank 1 by return pipeline 5, slurry can flow back to storage tank 1 after storage tank 1, circulating pump 2, coating feeding device 4, forms closed circuit.
Wherein, material loading pipeline 3 and return pipeline 5 adopt corrosion resistant PP to manage.
Circulating pump 2 gives whole system and applies malleation, ensures that slurry circulates in the entire system.In the present embodiment, the frequency of circulating pump 2 cycle rotation is 25 beats/min, is sent in coating feeding device 4 by slurry by material loading pipeline 3.
In the present embodiment, coating feeding device 4 comprises charging barrel, and described charging barrel also adopts enclosed construction, and the inner hollow of described charging barrel, for accommodation slurry, described charging barrel offers slurry extrusion 7.Described slurry can be extruded from slurry extrusion 7, and is applied on applicator roll.
The two ends of charging barrel are also respectively equipped with charging aperture and discharging opening.Described charging aperture and discharging opening form input and the output of coating feeding device respectively, and described charging aperture is communicated with through the bottom of circulating pump 2 with storage tank 1 by material loading pipeline 3, and described discharging opening is communicated with the top of storage tank 1 by return pipeline 5.
In the present embodiment, described charging barrel adopts stainless steel material to make, and its shape is cylindrical.As shown in Figure 2, described charging barrel and applicator roll 6 are arranged side by side, and both axis are parallel, and close to each other.Close to the coated face of applicator roll 7 on the sidewall that slurry extrusion 7 is arranged on charging barrel, slurry is made to extrude from slurry extrusion 7 and to be coated on applicator roll 7.
The shape of described slurry extrusion 7 is strip, and its length is 10-500mm, and width is 0.1-10 μm.In the present embodiment, the length of slurry extrusion 7 is 236.5mm, and width is 2.5 μm, and its coating width on applicator roll 6 is 236.5mm, and coating thickness is 75 μm.
The length adjustment mechanism and width adjustment mechanism that respectively length and the width of slurry extrusion 7 are regulated also is included in described coating feeding device, by regulating described length adjustment mechanism and width adjustment mechanism, thus the size of slurry extrusion 7 can be regulated.
As shown in Figure 3, in the present embodiment, described length adjustment mechanism comprises the movable seal adhesive tape being arranged on slurry extrusion length direction both sides, described movable seal adhesive tape and charging barrel are fitted, by moving described sealing joint strip along the length direction of slurry extrusion, thus the length of slurry extrusion 7 can be regulated.
Described width adjustment mechanism comprises slideable baffle plate 11, screw rod 10 and accurate thickness measure rule 9, described slideable baffle plate 11 is fitted by sealed silicon adhesive tape 12 and charging barrel, described slideable baffle plate 11 is arranged on slurry extrusion 7 position and can slides along the width of slurry extrusion 7, and described screw rod 10 is for fixing described slideable baffle plate 11.Slideable baffle plate 11 can be fixed on the diverse location of slurry extrusion width by adjusting screw(rod) 10, thus the width of slurry extrusion 7 can be regulated.Described accurate thickness measure rule 9 are for measuring the A/F of slurry extrusion 7.
The internal pressure of described charging barrel is normal pressure, and its built-in pressure ratio atmospheric pressure height 0.01-0.2MPa.Under such pressure condition, small part slurry can be extruded by slurry extrusion 7 and be coated on applicator roll 6.
In the present embodiment, the built-in pressure ratio atmospheric pressure of charging barrel exceeds 0.1Mpa.Normal pressure in coating feeding device 4 has the active force of outwards exclusion to slurry, simultaneously because the length of slurry extrusion 7 and width-adjustable, thus slurry extrusion capacity is also adjustable, by length and the width of adjustment slurry extrusion 7, and the operating frequency of circulating pump 2 can adjust malleation size in charging barrel and slurry extrusion capacity, and then coating thickness can be controlled.
Slurry is circulation time within the system, the liquid level of the slurry in charging barrel higher than the height of slurry extrusion 7 on charging barrel, to stop air to enter native system, and the barotropic state in maintenance system.
A kind of coating machine, the feeding system comprising applicator roll 6 and be coated with applicator roll, described feeding system adopts the automatical feeding system in the present embodiment.
As shown in Figure 2, also include coating blade 9 in described coating machine, described coating blade 9 and applicator roll 6 are coated with the exterior surface of slurry, are evenly distributed for making slurry.
First, close slurry extrusion and ON cycle pump and storage tank, make slurry at this system Inner eycle; Then, slurry extrusion is opened and by the frequency of the length of coating thickness and width requirement adjustment slurry extrusion 7, width and circulating pump 2; During coating, slurry is extruded from the slurry extrusion 7 of charging barrel, and along with the rotation of applicator roll 6, slurry is attached on applicator roll 6 gradually.Carry out secondary modification by coating blade 8 pairs of pulp surface, the coated face of whole applicator roll 6 can be made to become evenly.By the size of adjustment slurry extrusion 7 and the whole intrasystem malleation of rotational frequency adjustable of circulating pump 2 and extrusion capacity, can obtain suitable extruding doses by the size adjusting suitable malleation and slurry extrusion 7, and then control slurry coating thickness, and make coating machine in coating process, greatly reduce slurry aerial open-assembly time.After being coated with, then close slurry extrusion 7 and circulating pump 2.
By the above detailed description to the embodiment of the present invention, can understand and the invention solves slurry generation sedimentation in coating production process and the difficult situation exposing easily peeling, layering in atmosphere, avoid frequent shutdown to change slurry, improve production efficiency.Solve simultaneously in the past because of slurry solvent volatilization cause a series of to environment and the problem to personnel's physical impairment.
Embodiment 2:
The difference of the present embodiment and embodiment 1 is: in the present embodiment, does not have length adjustment mechanism and width adjustment mechanism in coating feeding device.
Other structures of the present embodiment are all identical with embodiment 1, repeat no more here.
Be understandable that, the illustrative embodiments that above embodiment is only used to principle of the present invention is described and adopts, but the present invention is not limited thereto.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (7)
1. an automatical feeding system, it is characterized in that: comprise storage tank (1), circulating pump (2) and for the coating feeding device (4) of applicator roll (6) material loading, be communicated with between described storage tank (1), circulating pump (2) and coating feeding device (4), slurry flows back to storage tank (1) after storage tank (1), circulating pump (2), coating feeding device (4), forms closed circuit;
Described coating feeding device (4) comprises charging barrel, and the inner hollow of described charging barrel, for accommodation slurry, described charging barrel offers slurry extrusion (7); The shape of described slurry extrusion (7) is strip, and its length is 10-500mm, and width is 0.1-10 μm;
The length adjustment mechanism and width adjustment mechanism that respectively length and the width of slurry extrusion (7) are regulated also is included in described coating feeding device (4), described length adjustment mechanism comprises the movable seal adhesive tape being arranged on slurry extrusion length direction both sides, by moving described sealing joint strip along the length direction of slurry extrusion, thus the length of slurry extrusion can be regulated; Described width adjustment mechanism comprises slideable baffle plate (11) and screw rod (10), described slideable baffle plate (11) and charging barrel are fitted, and be arranged on slurry extrusion position, described slideable baffle plate can slide along the width of slurry extrusion, described screw rod (10) is for fixing described slideable baffle plate, by screw rod, slideable baffle plate is fixed on the diverse location of slurry extrusion width, thus the width of slurry extrusion can be regulated;
The frequency of described circulating pump (2) cycle rotation is 10-35 beat/min;
The internal pressure of described charging barrel is normal pressure, and its built-in pressure ratio atmospheric pressure height 0.01-0.2MPa, described normal pressure has the active force of outwards exclusion to slurry, by length and the width of adjustment slurry extrusion, and the operating frequency of circulating pump, thus the malleation size that can adjust in charging barrel and slurry extrusion capacity, and then can to control coating thickness be 10-200 μm.
2. automatical feeding system according to claim 1, it is characterized in that, the input of described coating feeding device (4) is communicated with through the bottom of circulating pump (2) with storage tank (1) by material loading pipeline (3), and the output of described coating feeding device (4) is communicated with the top of storage tank (1) by return pipeline (5).
3. automatical feeding system according to claim 1, it is characterized in that, described charging barrel adopts stainless steel material to make, its shape is cylindrical or the semicolumn bodily form, close to the position of applicator roll (6) on the sidewall that slurry extrusion (7) is arranged on charging barrel, the liquid level of the slurry in charging barrel is higher than the height of slurry extrusion (7).
4. automatical feeding system according to claim 2, it is characterized in that, described charging barrel and storage tank (1) all adopt enclosed construction, the two ends of charging barrel are respectively equipped with charging aperture and discharging opening, described charging aperture and discharging opening form input and the output of coating feeding device (4) respectively, described charging aperture is communicated with through the bottom of circulating pump (2) with storage tank (1) by material loading pipeline (3), and described discharging opening is communicated with the top of storage tank (1) by return pipeline (5); Described material loading pipeline (3) and return pipeline (5) adopt corrosion-resistant material to make.
5. according to the automatical feeding system one of claim 1-4 Suo Shu, it is characterized in that, described storage tank (1) adopts the storage tank with agitating function.
6. a coating machine, comprises applicator roll (6) and to the feeding system that applicator roll is coated with, it is characterized in that, the automatical feeding system that described feeding system adopts one of claim 1-5 described.
7. coating machine according to claim 6, it is characterized in that, also include coating blade (8) in this coating machine, described coating blade (8) and applicator roll (6) are coated with the exterior surface of slurry, are evenly distributed for making slurry; Slurry thickness on described applicator roll (6) is 10-200 μm.
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| CN201110425703.5A CN102513271B (en) | 2011-12-14 | 2011-12-14 | Automatic feeding system and coating machine |
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| CN201110425703.5A CN102513271B (en) | 2011-12-14 | 2011-12-14 | Automatic feeding system and coating machine |
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| CN102513271B true CN102513271B (en) | 2015-04-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102962176A (en) * | 2012-12-06 | 2013-03-13 | 济南圣泉集团股份有限公司 | Anti-precipitation coating machine and flow coating system |
| CN103008182B (en) * | 2012-12-26 | 2015-10-28 | 海南赛诺实业有限公司 | A kind of latex charging process in coated film latex coating process and feeding device |
| CN103497002B (en) * | 2013-09-16 | 2015-08-12 | 广东中鹏热能科技有限公司 | A kind of coating machine for ceramic rod surface fine spraying protective layer slurry |
| CN104857887B (en) * | 2015-04-29 | 2018-01-30 | 江苏优珀斯材料科技有限公司 | A kind of auto feed of high viscosity coating fluid, dispensing, feeding system |
| CN107851773B (en) * | 2015-07-17 | 2020-11-06 | 艾利电力能源有限公司 | Battery electrode slurry distribution device, battery electrode slurry processing device, battery electrode slurry distribution method, suspension distribution device, and suspension distribution method |
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| CN1651156A (en) * | 2000-03-17 | 2005-08-10 | 索尼株式会社 | Coating machine |
| CN101590463A (en) * | 2009-01-22 | 2009-12-02 | 深圳市浩能科技有限公司 | A kind of extrusion coater utilizes the device and the control method thereof of split flow pump control coating clearance |
| CN101623684A (en) * | 2008-07-07 | 2010-01-13 | 中信国安盟固利新能源科技有限公司 | Method for coating film for lithium ion battery pole piece and film coating equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102039255A (en) * | 2011-01-28 | 2011-05-04 | 福建南平南孚电池有限公司 | Coating device and method for forming pole piece of lithium battery |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1651156A (en) * | 2000-03-17 | 2005-08-10 | 索尼株式会社 | Coating machine |
| CN101623684A (en) * | 2008-07-07 | 2010-01-13 | 中信国安盟固利新能源科技有限公司 | Method for coating film for lithium ion battery pole piece and film coating equipment |
| CN101590463A (en) * | 2009-01-22 | 2009-12-02 | 深圳市浩能科技有限公司 | A kind of extrusion coater utilizes the device and the control method thereof of split flow pump control coating clearance |
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Address after: 241000 No. 226 Jin Hua Nan Road, Yijiang hi tech Industrial Development Zone, Anhui, Wuhu Patentee after: Chery New Energy Automobile Co.,Ltd. Address before: 241000 No. 226 Hua Jin South Road, Yijiang District, Anhui, Wuhu Patentee before: CHERY NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address |