CN108686894A - The precise extruding mold head of coating machine - Google Patents
The precise extruding mold head of coating machine Download PDFInfo
- Publication number
- CN108686894A CN108686894A CN201810937475.1A CN201810937475A CN108686894A CN 108686894 A CN108686894 A CN 108686894A CN 201810937475 A CN201810937475 A CN 201810937475A CN 108686894 A CN108686894 A CN 108686894A
- Authority
- CN
- China
- Prior art keywords
- lower die
- hopper
- slurry
- coating
- accurate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000011248 coating agent Substances 0.000 title claims abstract description 29
- 238000000576 coating method Methods 0.000 title claims abstract description 29
- 239000002002 slurry Substances 0.000 claims abstract description 28
- 238000001125 extrusion Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 239000011247 coating layer Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007766 curtain coating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012788 optical film Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
-
- 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
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0254—Coating heads with slot-shaped outlet
Abstract
The invention discloses a kind of precise extruding mold head of coating machine, including upper die and lower die and gasket, upper die and lower die, which interlock, coordinates installation, and gasket is mounted between upper die and lower die.Slurry inlet and hopper are equipped in lower die, slurry inlet is connected across lower die with hopper, and several accurate scrapers are equipped in hopper.Slurry from slurry inlet into feed chute after by accurate scraper by repeatedly striking off, after hopper pressure balance, pressure obtains highly consistent into after when slit, slurry is after slit extrusion to lip, so that transverse direction coating layer thickness reaches highly consistent when squeezing out, achieve the effect that accurate coating, to thoroughly solve the problems, such as that coating transverse gage thick middle and both sides are thin, and accurate coating head is made to have more wide applicability to the viscosity and coating speed of slurry.
Description
Technical field
The present invention relates to coating arts, and in particular to a kind of precise extruding mold head of coating machine.
Background technology
Coating machine is widely used among the industries such as electronics, photovoltaic, printing, weaving, leather, and especially accurate coating industry is such as
Film, lithium battery pole slice, permeable membrane, optical film etc..Core main part as coating machine -- slit extrusion die was using
Since general slurry is non-newtonian fluid in journey.Because the effect slurry of shearing force is into cannot rapidly and evenly divide after feed chute
Cloth generally will appear the thin phenomenon in coating thick middle both sides in hopper.Have and improved using a variety of methods, such as into
The mesh plate that dilute both sides are close among one is placed at material, or using dovetail groove or extrusion is processed into the shapes such as the narrow intermediate width in both sides
Shape, or lip gap size is adjusted to reach the consistent as possible of coating thicknesses of layers with row's screw.But no matter which kind of above-mentioned side
Method is only applicable to a kind of coating of the slurry of similar viscosity and certain extruded velocity, does not have universal applicability, right
The slurry adjustment of different viscosities, different coating speed is got up relatively highly difficult, and the mould that some methods may cause cost quite high
Tool is whole to be scrapped.The present invention provides the technical solution of complete set aiming at this problem.
Invention content
In order to solve the problems of the above-mentioned prior art, it is an object of the invention to propose that a kind of precision of coating machine is squeezed
Go out die head.
A kind of precise extruding mold head of coating machine, including upper die and lower die and gasket, the upper die and lower die, which interlock, coordinates peace
Dress, the gasket are mounted between the upper die and lower die, which is characterized in that slurry inlet and hopper are equipped in the lower die,
The slurry inlet extends to hopper outside the lower die, is equipped with accurate scraper in the hopper, the precision scraper with it is upper
Gap is 10-300 μm between mould bottom surface, and the precision scraper is 1-5 handles.
Preferably, gap is 100-200 μm between the accurate scraper and upper mold bottom surface.
Preferably, the accurate scraper is 3.
Preferably, the edge of a knife shape of the accurate scraper is that planar shaped is arc-shaped or trapezoidal or knife-edge.
Preferably, the thickness of the accurate scraper is 8-20cm.
The beneficial effects of the invention are as follows:Slurry from slurry inlet into feed chute after by accurate scraper by repeatedly striking off,
After hopper pressure balance, pressure obtains highly consistent into after when slit, and slurry is after slit extrusion to lip so that when extrusion
Laterally upper thickness is consistent coating, achievees the effect that accurate coating, to thoroughly solve extrusion die transverse gage thick middle
And the problem that both sides are thin.
Description of the drawings
Fig. 1 is the precise extruding mold head structural schematic diagram of the coating machine of the present invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is sectional view at the A-A of Fig. 2;
Fig. 4 is lower die and gasket construction schematic diagram in Fig. 1;
Fig. 5 is the explosive view of Fig. 1.
Specific implementation mode
The present invention is described further with reference to embodiment.
As shown in Fig. 1 to 5, the precise extruding mold head of this coating machine of the invention, including upper mold 10, lower die 11 and gasket
12, upper mold 10 and lower die 11 interlock and coordinate installation.Upper mold 10 and lower die 11 are in a rectangular trapezoid, and gasket 12 is mounted on upper mold 10 under
Between mould 11, gasket 12 is in concave character type, and notch position has in upper mold 10 and lower die 11 at bevelled one, is convenient for slurry under
It is squeezed out in the hopper 14 of mould 11.
Slurry inlet 13 and hopper 14 are equipped in lower die 11, slurry inlet 13 extends to hopper 14 outside lower die 11.
Slurry inlet 13 and the angle of 11 outside wall surface of lower die are in 60 °, convenient in slurry input hopper 14, having a certain degree can be effective
Control slurry flow velocity.Accurate scraper 15 is equipped in hopper 14, accurate scraper 15 is equipped with 3, precision is enabled to obtain
It improves, it is more stringent for precision requirement, it can also add more accurate scraper 15.The edge-shaped of accurate scraper 15 simultaneously
Shape can be that planar shaped is arc-shaped or trapezoidal or knife-edge, be convenient for the scraping of slurry in this way.The thickness of accurate scraper 15 is 8-
20cm.Gap is 100-200 μm between accurate scraper 15 and the bottom surface of upper mold 10.It, can be excellent convenient for 15 convenient disassembly of accurate scraper
Choosing, which is adopted, to be screwed.And the precise extruding mold head applies also for curtain coating extrusion die.
The precise extruding mold head of the coating machine when in use, first by entering slurry from slurry inlet 13, then again
Into in feed chute 14, it is unfolded forward through accurate scraper 15, because gap very little, slurry fill quickly between accurate scraper 15 and upper mold 10
Then full first hopper 141 passes through the first accurate scraper 151 and enters the second hopper 142, pressure balances for the second time.Slurry pressure
Gradually homogenization enters third hopper 143 by the second accurate scraper 152, the 4th is being entered after third precision scraper 153
The pressure of hopper 144, entire laterally upper each point is identical, therefore flow velocity can reach almost consistent when extrusion die lip,
So that being all consistent with the thickness on both sides among coating.
In short, the foregoing is merely presently preferred embodiments of the present invention, it is all according to impartial made by scope of the present invention patent
Variation and modification, should all belong to the covering scope of patent of the present invention.
Claims (5)
1. a kind of precise extruding mold head of coating machine, including upper die and lower die and gasket, the upper die and lower die, which interlock, coordinates peace
Dress, the gasket are mounted between the upper die and lower die, which is characterized in that slurry inlet and hopper are equipped in the lower die,
The slurry inlet extends to hopper outside the lower die, is equipped with accurate scraper in the hopper, the precision scraper with it is upper
Gap is 10-300 μm between mould bottom surface, and the precision scraper is 1-5 handles.
2. the precise extruding mold head of coating machine according to claim 1, which is characterized in that the precision scraper and upper mold bottom
Gap is 100-200 μm between face.
3. the precise extruding mold head of coating machine according to claim 1, which is characterized in that the precision scraper is 3.
4. the precise extruding mold head of coating machine according to claim 1, which is characterized in that the edge-shaped of the precision scraper
Shape is that planar shaped is arc-shaped or trapezoidal or knife-edge.
5. the precise extruding mold head of coating machine according to claim 1, which is characterized in that it is described precision scraper thickness be
8-20cm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810937475.1A CN108686894A (en) | 2018-08-17 | 2018-08-17 | The precise extruding mold head of coating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810937475.1A CN108686894A (en) | 2018-08-17 | 2018-08-17 | The precise extruding mold head of coating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108686894A true CN108686894A (en) | 2018-10-23 |
Family
ID=63841662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810937475.1A Pending CN108686894A (en) | 2018-08-17 | 2018-08-17 | The precise extruding mold head of coating machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108686894A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109807028A (en) * | 2019-03-28 | 2019-05-28 | 信利光电股份有限公司 | A method of improving photoresist crystallization on slot coated head |
| CN111420846A (en) * | 2019-04-30 | 2020-07-17 | 江西鸿格科技有限公司 | Precision extrusion die head of coating machine |
| CN113893997A (en) * | 2021-09-26 | 2022-01-07 | 浙江航威专用设备有限公司 | Novel slit coating head |
| CN115646747A (en) * | 2021-12-18 | 2023-01-31 | 惠州市信宇人科技有限公司 | Method for coating electrode material, and precision programmable coating feeding abruption valve and coating head thereof |
| CN117324195A (en) * | 2023-10-08 | 2024-01-02 | 东莞市松井超精密机械有限公司 | Coating die head structure with flow direction changed by cavity |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010086811A (en) * | 2008-09-30 | 2010-04-15 | Toshiba Corp | Coating device, and coating method |
| CN101773896A (en) * | 2010-01-23 | 2010-07-14 | 深圳市浩能科技有限公司 | Adjustable clearance type extrusion head with multiple pressure chambers |
| CN204320572U (en) * | 2014-12-01 | 2015-05-13 | 深圳市旭合盛科技有限公司 | A kind of coating width adjustment structure of slot coated head |
| KR20160074331A (en) * | 2014-12-18 | 2016-06-28 | 율촌화학 주식회사 | Coating slot die and coating method using the same |
| CN208712094U (en) * | 2018-08-17 | 2019-04-09 | 江西鸿格科技有限公司 | The precise extruding mold head of coating machine |
-
2018
- 2018-08-17 CN CN201810937475.1A patent/CN108686894A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010086811A (en) * | 2008-09-30 | 2010-04-15 | Toshiba Corp | Coating device, and coating method |
| CN101773896A (en) * | 2010-01-23 | 2010-07-14 | 深圳市浩能科技有限公司 | Adjustable clearance type extrusion head with multiple pressure chambers |
| CN204320572U (en) * | 2014-12-01 | 2015-05-13 | 深圳市旭合盛科技有限公司 | A kind of coating width adjustment structure of slot coated head |
| KR20160074331A (en) * | 2014-12-18 | 2016-06-28 | 율촌화학 주식회사 | Coating slot die and coating method using the same |
| CN208712094U (en) * | 2018-08-17 | 2019-04-09 | 江西鸿格科技有限公司 | The precise extruding mold head of coating machine |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109807028A (en) * | 2019-03-28 | 2019-05-28 | 信利光电股份有限公司 | A method of improving photoresist crystallization on slot coated head |
| CN111420846A (en) * | 2019-04-30 | 2020-07-17 | 江西鸿格科技有限公司 | Precision extrusion die head of coating machine |
| CN113893997A (en) * | 2021-09-26 | 2022-01-07 | 浙江航威专用设备有限公司 | Novel slit coating head |
| CN115646747A (en) * | 2021-12-18 | 2023-01-31 | 惠州市信宇人科技有限公司 | Method for coating electrode material, and precision programmable coating feeding abruption valve and coating head thereof |
| CN117324195A (en) * | 2023-10-08 | 2024-01-02 | 东莞市松井超精密机械有限公司 | Coating die head structure with flow direction changed by cavity |
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