CN101011685A - Scraping structure of spray scraping machine - Google Patents
Scraping structure of spray scraping machine Download PDFInfo
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- CN101011685A CN101011685A CN 200710084124 CN200710084124A CN101011685A CN 101011685 A CN101011685 A CN 101011685A CN 200710084124 CN200710084124 CN 200710084124 CN 200710084124 A CN200710084124 A CN 200710084124A CN 101011685 A CN101011685 A CN 101011685A
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Abstract
The scraping structure of a nozzle scraper comprises a substrate, a scraping block and a scraping blade, with the scraping block inside the substrate and having a scraping slot, the scraping blade at the front of the scraping block to increase the scraping area of the gel left on the nozzle. It can effectively improve the scraping effect, avoiding the impact to processing quality due to left gel on the nozzle, to improve the production qualification rate, reduce consumption to the scraping block and extend the durability of the scraping block.
Description
Technical field
The present invention relates to a kind of nozzle scraping machine, relate in particular to a kind of structure of striking off of nozzle scraping machine.
Background technology
All have coating in most of now industrial production and handle, so that a coating material is coated on the base material, for example: the shielding processing (mask process) of CD processing and semiconductor machining etc.It is to spray coating material with a nozzle (nozzle) to base material by a coating machine that coating is handled, so that coating material is coated base material.With shielding processing for instance, photoresist is coated on the base material, on base material, to form a shielding by the nozzle of coating machine.The nozzle of coating machine is when base material ejection coating material, and coating material can residue in the ejiction opening outside of nozzle, and can form crystal gradually along with the time, i.e. gel (gel).Because coating machine can produce active force in being coated with processing, for example nozzle sprays the active force that coating material produced, so the gel that residues in nozzle is dropped on base material in the nozzle coating process, promptly can reduce the quality of coating back base material thus, and then cause the production qualification rate to reduce.
For fear of above-mentioned situation, industry develops now and a kind of nozzle scraping machine, when coating machine be coated with handle a period of time after, promptly can strike off coating material and the gel that residues in the nozzle outside by the nozzle scraping machine.Yet, the known nozzle scraping machine strike off structure in the use still defectiveness exist, following conjunction with figs. illustrates the defective of striking off structure of nozzle scraping machine now.See also Fig. 1, it is for the stereogram that strikes off structure of known nozzle scraping machine; As shown in the figure, striking off structure 10 comprises a pedestal 12 and and strikes off piece 14, wherein, pedestal 12 is arranged at the top of nozzle scraping machine (not shown), the material that strikes off piece 14 be elastomeric material (for example: rubber), and be arranged at the top of pedestal 12, the top of striking off piece 14 has the groove of striking off 142, strike off the geometry of the geometry of groove 142 corresponding to the nozzle of coating machine, this example applies to the nozzle of V font, is in the shape of the letter V accordingly so strike off groove 142.One sliding part 16, it is arranged at a side of pedestal 12, and sliding part 16 is slidably in a slide rail 18, moves along the nozzle of coating machine and drive pedestal 12, to strike off coating material and the gel that residues in nozzle, for example: strike off residual photoresist and gel.
See also Fig. 2, it is the action schematic diagram that structure is struck off residual coating material of nozzle and gel that strikes off of known nozzle scraping machine; As shown in the figure, that strikes off piece 14 strikes off the nozzle 22 of groove 142 corresponding to coating machine 20, nozzle 22 can be arranged in strike off groove 142.Striking off structure 10 slides on slide rail 18 by sliding part 16 and drives pedestal 12 and move along nozzle 22, nozzle 22 can be arranged in and strike off groove 142 and strike off two side that piece 14 can contact nozzles 22 and move along nozzle 22 this moment, struck off piece 14 thus and promptly can strike off coating material and the gel that residues in 22 liang of outsides of nozzle.
Yet, strike off piece 14 under long-time the use, because the coating material that is subjected to residuing in nozzle 22 for a long time influences with the active force of gel, promptly can produce abrasion, and the groove 142 that strikes off that causes striking off piece 14 becomes big, make that striking off piece 14 can't contact with nozzle 22 fully by striking off groove 142, promptly can reduce thus and strike off effect, and coating material and the gel that residues in nozzle 22 can't be struck off fully, and gel is dropped on base material, will reduce the qualification rate that coating is handled thus.Based on this factor, must expend time in often to change and strike off piece 14, can reduce the efficient that coating handles thus and can raise the cost.
Generally strike off structure 10 finish strike off operation after, can spray cleaning agent to wash the gel that stays in striking off on the piece 14, to keep the effect of striking off of striking off operation next time striking off on the piece 14.Yet, owing to strike off the geometric factors of piece 14, when striking off piece 14 and spray cleaning agents, cleaning agent can run off rapidly and fully cleaning scraper promptly can strike off residual gel on the piece 14 thus, and cause striking off poor effect except that piece 14.
Therefore, the present invention proposes a kind of structure of striking off of nozzle scraping machine, and it not only can increase the effect of striking off of striking off structure, can prolong the service life of striking off piece again, strike off the replacing number of times of piece with minimizing, and can make the certain cleaning scraper of cleaning agent remove piece, and keep the effect of striking off of striking off piece.
Summary of the invention
Main purpose of the present invention is, a kind of structure of striking off of nozzle scraping machine is provided, and it is provided with one at a front end that strikes off piece and strikes off sheet, improving and to strike off effect by striking off sheet, and then improves the qualification rate that coating is handled.
Secondary objective of the present invention is, a kind of structure of striking off of nozzle scraping machine is provided, it strikes off coating material and the gel that residues in the nozzle outside to strike off sheet earlier, strike off nozzle remaining residual coating material in the outside and gel to strike off piece again, strike off the abrasion that produced when piece strikes off gel with reduction, and then prolong the service life of striking off piece.
Another object of the present invention is to, a kind of structure of striking off of nozzle scraping machine is provided, it is by striking off the area that strikes off that structure is struck off in the sheet increase, and then increases and strike off effect.
The present invention strikes off structure for a kind of nozzle scraping machine, and it comprises a pedestal, and strikes off piece and and strike off sheet, wherein, the top of pedestal is provided with a holddown groove, be arranged among the holddown groove and strike off piece, and strike off sheet and be arranged at the front end that strikes off piece, the top of striking off sheet is higher than the top of striking off piece.The top of striking off piece has the groove of striking off, and it runs through and strikes off piece, and the geometry of a corresponding nozzle.Strike off sheet one a left scraping blade and a right scraping blade are set, and left scraping blade links to each other with the bottom of right scraping blade, the bottom of wherein left scraping blade and right scraping blade is provided with a breach, and the breach correspondence is struck off the bottom of groove.
The present invention strikes off area by striking off the sheet increase, strike off effect and improve, the present invention is owing to strike off coating material and the gel that residues in the nozzle outside by striking off sheet earlier, strike off coating material and the gel of remaining residue to strike off piece again in nozzle, strike off that piece strikes off gel and the abrasion that cause so can reduce, the service life of striking off piece with prolongation.
Description of drawings
Fig. 1 is the known stereogram that strikes off structure;
Fig. 2 strikes off the coating material of residual nozzle and the action schematic diagram of gel for the known structure of striking off;
Fig. 3 A is the stereogram that strikes off structure of a preferred embodiment of the present invention;
Fig. 3 B strikes off the front view of structure for the present invention;
Fig. 4 A strikes off the coating material of residual nozzle and the action schematic diagram before the gel for the present invention strikes off structure;
Fig. 4 B is the side view of Fig. 4 A;
Fig. 5 A strikes off the coating material of residual nozzle and the action schematic diagram of gel for the present invention strikes off structure;
Fig. 5 B is the side view of Fig. 5 A;
Fig. 6 strikes off the front view that sheet damages for the present invention;
Fig. 7 strikes off the curve map of effect for the present invention; And
Fig. 8 is the front view of another preferred embodiment of the present invention.
Wherein, description of reference numerals is as follows:
10 strike off structure 12 pedestals 14 strikes off piece
142 strike off groove 16 sliding parts 18 slide rails
20 coating machines, 22 nozzles 30 strike off structure
32 pedestals, 322 holddown grooves 34 strike off piece
342 strike off groove 36 strikes off sheet 362 left scraping blades
364 right scraping blade 366 breach 38 sliding parts
39 slide rails, 40 coating machines, 42 nozzles
45 coating materials/gel
The specific embodiment
Further understand and understanding for architectural feature of the present invention and the effect that reached are had, specially describe in detail with preferred embodiment and conjunction with figs., illustrate as after:
The present invention strikes off structure for a kind of nozzle scraping machine, and it strikes off piece and improve the effect of striking off of striking off the coating material that residues in the nozzle outside and gel by striking off the sheet collocation.And the present invention reduces and to strike off piece and strike off the abrasion that gel causes by striking off sheet, and then prolongs the service life of striking off piece.
See also Fig. 3 A and Fig. 3 B, it is respectively the stereogram that strikes off structure and the front view of a preferred embodiment of the present invention; As shown in the figure, the structure 30 of striking off of the present invention comprises a pedestal 32, and strikes off piece 34 and and strike off sheet 36.Pedestal 32 is arranged at the top of nozzle scraping machine (not shown), and a side is provided with a sliding part 38, and sliding part 38 slides on a slide rail 39, moves to drive pedestal 32.The top of pedestal 32 has a holddown groove 322, strikes off piece 34 and is arranged among the holddown groove 322, to be fixed in the top of pedestal 32, when striking off piece 34 and being arranged among the holddown groove 322, to strike off between the end face of the front end of piece 34 and pedestal 32 and has an acute angle.The top of striking off piece 34 is an inclined-plane, and its top has the groove of striking off 342 (shown in Fig. 3 B), strikes off groove 342 and runs through the top of striking off piece 34, and its geometry is corresponding to the geometry of nozzle, arranging in pairs or groups mutually, thereby be used to strike off coating material and the gel that residues in nozzle with nozzle.This embodiment is an example with the piece 34 that strikes off that applies to the V-arrangement nozzle, so the groove 342 that strikes off of this embodiment is V-shaped groove.In addition, strike off piece 34 and have elasticity, its material can comprise rubber (rubber).
Strike off sheet 36 and be arranged at the front end that strikes off piece 34, so, have acute angle between the end face of its front end and pedestal 32 with to strike off piece 34 similar.In addition, because the top of striking off piece 34 is the inclined-plane, so, strike off sheet 36 and strike off between the top of piece 34 and have an acute angle.In addition, strike off sheet 36 and comprise a left scraping blade 362 and a right scraping blade 364, and correspond respectively to the left and right halves of striking off groove 342 (shown in Fig. 3 B), left scraping blade 362 is connected with the bottom of right scraping blade 364, and the coupling part is equal to or less than the bottom of striking off groove 342.An embodiment that forms left scraping blade 362 and right scraping blade 364 strikes off sheet 36 for cutting and is left and right two parts, but and incomplete cutting.In addition, after striking off sheet 36 and being arranged at the front end that strikes off piece 34, its top can be higher than the top of striking off piece 34.In addition, strike off sheet 36 and have elasticity, its material can comprise polyethylene (PolyEthylene, PE).
See also Fig. 4 A to Fig. 5 B, it strikes off the action schematic diagram that structure is struck off the coating material/gel that residues in nozzle for the present invention, and wherein, Fig. 4 B is the side view of Fig. 4 A, and Fig. 5 B is the side view of Fig. 5 A.When strike off structure 30 strike off coating machine 40 nozzle 42 outsides during residual gel, scraping machine will drive sliding part 38 and slide on slide rail 39, thereby move along nozzle 42, move along nozzle 42 to drive pedestal 32, and then allow and strike off piece 34 and strike off sheet 36 and move to the other end of nozzle 42 from an end of nozzle 42, strike off piece 34 and strike off sheet 36 and strike off the coating material/gel 45 that residues in nozzle 42 and allow.
Shown in Fig. 5 A and Fig. 5 B, because striking off sheet 36 is arranged at the front end that strikes off piece 34, so, strike off structure 30 when moving and striking off the coating material that residues in nozzle 42/gel 45, the left scraping blade 362 that strikes off sheet 36 can be strutted by nozzle 42 earlier with right scraping blade 364, yet, because striking off sheet 36 has elasticity, so, left side scraping blade 362 and right scraping blade 364 can closely be contacted with the both sides of nozzle 42 respectively, just as the both sides of clamping nozzle 42, thus, left scraping blade 362 can strike off the coating material/gel 45 that residues in nozzle 42 outsides with right scraping blade 364 in advance, subsequently, nozzle 42 promptly can be by striking off groove 342 and contact with the two side of striking off groove 342, thereby strike off the coating material/gel 45 of remaining residue in nozzle 42 outsides.When striking off the other end that structure 30 moves to nozzle 42, and when finishing the coating material that strikes off the outside that residues in nozzle 42/gel 45, strike off sheet 36 because of having elasticity, so, after breaking away from nozzle 42, will revert to the reset condition shown in Fig. 4 A.
The present invention is because strike off part coating material/gel 45 by striking off sheet 36 in advance, so, can reduce the amount that piece 34 strikes off coating material/gel 45 of striking off, can lower thus and strike off the abrasion that produced when piece 34 strikes off coating material/gel 45, and prolong the service life of striking off piece 34, and then reduce to change the frequency of striking off piece 34, strike off piece 34 spent time and cost to reduce because of replacing, and then improve treatment effeciency.In addition, owing to strike off piece 34 and strike off sheet 36 and be obliquely installed, make and strike off piece 34 and lean forward, can be beneficial to thus and strike off piece 34 and strike off sheet 36 and strike off coating material/gel 45 with the top of striking off sheet 36 in pedestal 32.In addition, be higher than the top of striking off piece 34 because strike off the top of sheet 36, so, the area that strikes off that strikes off structure 30 can be increased, also be that the present invention strikes off area by the height increase of striking off sheet 36, to strike off the coating material/gels 45 that residue in nozzle 42 outsides more.
In addition, because the size of holddown groove 322 of the present invention can be slightly larger than the size of striking off piece 34, thereby has a nargin, so, the sheet 36 that strikes off of the present invention has just begun to strike off the coating material/gel 45 that residues in nozzle 42, and make the opening that strikes off sheet 36 and the groove 342 that strikes off that strikes off piece 34 may be seasonable with 42 pairs at nozzle exactly, strike off sheet 36 and will strut the active force that strikes off sheet 36 by nozzle 42, order about and strike off piece 34 and move and correction position, so make strike off piece 34 to strike off groove 342 corresponding with nozzle 42 exactly with the opening that strikes off sheet 36.
In addition, of the present invention strike off piece 34 with strike off sheet 36 finish strike off the coating material/gel 45 that residues in nozzle 42 outsides after, spray the cleaning agent cleaning scraper remove piece 34, strike off groove 342 with strike off sheet 36 with keep strike off piece 34 next time strike off effect the time, because striking off sheet 36 is arranged at the front end that strikes off piece 34, so, spray cleaning agent to strike off sheet 36 except can cleaning scraper except that sheet 36, also can slow down cleaning agent and flow to the flow velocity that strikes off piece 34, and improve the cleaning effect that the cleaning agent cleaning scraper removes piece 34 by striking off sheet 36.Above-mentioned cleaning agent can be diluent (OK-73), its solubilized coating material and gel, and comprise acetate propylene glycol monomethyl ether ester (Propylene Glycol Monomethyl EtherAcetate, PGMEA) with the monomethyl ether propane diols (Propylene Glycol Methyl Ether, PGME).
As shown in Figure 6, after striking off sheet 36 and striking off the coating material and gel that residues in nozzle 42 outsides for a long time, left side scraping blade 362 and right scraping blade 364 can cause being out of shape because of bearing the active force that nozzle 42 struts for a long time, for example left scraping blade 362 is down rolled over respectively with the top of right scraping blade 364, thereby form a unfilled corner respectively, thus, operating personnel can discover that to strike off sheet 36 in damaged condition easily by the distortion of striking off sheet 36, to allow operating personnel change the impaired sheet 36 that strikes off immediately, strike off effect to keep.Hence one can see that, the sheet 36 that strikes off of the present invention strikes off effect except improving, and reduce and strike off piece 34 because of striking off the abrasion that gel caused that residue in nozzle, and then prolongation was struck off outside the service life of piece 34, also can whether be out of shape and observe out easily whether strike off sheet 36 impaired, impaired strike off sheet 36 and keep and strike off effect to change immediately by profile.
See also Fig. 7, it strikes off the curve map of effect for the present invention.This curve map is that expression is not installed strike off sheet known and struck off structure and strike off sheet of the present invention is installed strikes off the effect of striking off that structure presents, wherein, the numerical value of X-axis is for measuring each time the time of average gel content, and the numerical value of Y-axis is for measuring the measurement result that falls to the average gel content on the base material.Install strike off sheet known strike off structure before 18: 00 in order to strike off coating material and the gel that residues in the nozzle outside, the effect that it presented curve as shown in the figure, know that on business striking off structure fails effectively to strike off coating material and gel, the curve that average gel content presented that causes falling on the base material is quite high, then, the structure of striking off of the present invention began in order to strike off coating material and the gel that residues in nozzle in 18: 00, the effect that it presented curve as shown in the figure, because of the sheet that strikes off of the present invention has improved the effect of striking off of striking off coating material and gel, impel the curve that average gel content presented that falls on the base material obviously to reduce.Promptly verified that by this curve map the sheet that strikes off of the present invention has improved the effect of striking off of striking off coating material and gel really thus, and reduced the average gel content that falls on the base material, and then improved the qualification rate that coating is handled.
See also Fig. 8, it is for the front view of another preferred embodiment of the present invention; Of the present inventionly strike off sheet 36 except comprising left scraping blade 362 and right scraping blade 364, the bottom that left side scraping blade 362 links to each other with right scraping blade 364 also has a breach 366, wherein, the geometry of breach 366 can be triangle, and breach 366 correspondences are struck off the bottom of striking off groove 342 of piece 34.The sheet 36 that strikes off of the present invention can provide buffering by the breach 366 of bottom, just buffering is struck off sheet 36 and is born active force from nozzle, tear and avoid striking off sheet 36, also promptly allow left scraping blade 362 and right scraping blade 364 be subjected to the active force of nozzle and reach buffering by breach 366 when strutting toward both sides.
In sum, the present invention strikes off structure for a kind of nozzle scraping machine, and it comprises a pedestal, and strikes off piece and and strike off sheet, wherein, strikes off among the holddown groove that piece is arranged at the pedestal top, strikes off sheet and is arranged at the front end that strikes off piece.The present invention is earlier with after striking off sheet and striking off the coating material and gel that residues in the nozzle outside, strike off coating material and the gel of remaining residue to strike off piece again in the nozzle outside, thereby improve and strike off effect, and then the qualification rate of raising coating processing, and reduce and strike off the abrasion that caused when piece strikes off, the service life of striking off piece with prolongation, and then reduce the replacing number of times that strikes off piece.In addition, the present invention can learn its loss situation by the profile of striking off sheet, to change the sheet that strikes off of distortion immediately.
The above only is a preferred embodiment of the present invention; be not to be used for limiting practical range of the present invention; so all equivalences of being done under the described shape of scope of patent protection of the present invention, structure, feature and spirit change and modify, and all should be contained in the scope of patent protection of the present invention.
Claims (10)
- A nozzle scraping machine strike off structure, it comprises:One pedestal;One strikes off piece, is arranged at this pedestal, and this strikes off piece and has the groove of striking off; AndOne strikes off sheet, is arranged at this and strikes off the piece front end.
- 2. the structure of striking off as claimed in claim 1, wherein, this strikes off sheet a left scraping blade and a right scraping blade.
- 3. the structure of striking off as claimed in claim 2, wherein, this strikes off sheet and is provided with a breach, and should left side scraping blade and the bottom connection of this right side scraping blade, and this breach is positioned at the bottom of this left side scraping blade and this right side scraping blade.
- 4. the structure of striking off as claimed in claim 3, wherein, to strike off groove relative with this for this breach.
- 5. the structure of striking off as claimed in claim 3, wherein, this breach shape triangular in shape.
- 6. the structure of striking off as claimed in claim 1, wherein, this top of striking off sheet is higher than the top that this strikes off piece.
- 7. the structure of striking off as claimed in claim 1, wherein, this top of striking off piece is an inclined-plane, this inclined-plane and this strike off has an acute angle between the sheet.
- 8. the structure of striking off as claimed in claim 1, wherein, this strikes off groove and is positioned at the top that this strikes off piece, and runs through this and strike off piece.
- 9. the structure of striking off as claimed in claim 1, wherein, this pedestal has a holddown groove, and this strikes off piece and is located at this holddown groove.
- 10. the structure of striking off as claimed in claim 9, wherein, this holddown groove is positioned at the top of this pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100841242A CN100438985C (en) | 2007-02-16 | 2007-02-16 | Scraping structure of spray scraping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100841242A CN100438985C (en) | 2007-02-16 | 2007-02-16 | Scraping structure of spray scraping machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101011685A true CN101011685A (en) | 2007-08-08 |
| CN100438985C CN100438985C (en) | 2008-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100841242A Active CN100438985C (en) | 2007-02-16 | 2007-02-16 | Scraping structure of spray scraping machine |
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| CN (1) | CN100438985C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101592867B (en) * | 2009-06-18 | 2011-10-26 | 友达光电股份有限公司 | Coating machine platform and method for cleaning nozzle of coating machine platform |
| CN105700294A (en) * | 2016-01-14 | 2016-06-22 | 武汉华星光电技术有限公司 | Nozzle cleaning jig for rubber coating machine and cleaning block of nozzle cleaning jig |
| CN110252598A (en) * | 2019-06-27 | 2019-09-20 | 京东方科技集团股份有限公司 | Doctor die group and scraper device |
| CN113522662A (en) * | 2021-06-11 | 2021-10-22 | 张安娜 | Relevant LED wafer paster work piece waxing processing apparatus of wisdom community |
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| JPH0663471A (en) * | 1992-08-25 | 1994-03-08 | Fujitsu Ltd | Viscous liquid coating apparatus having cleaning device |
| JPH0948134A (en) * | 1995-08-07 | 1997-02-18 | Fuji Electric Co Ltd | Ink jet recorder |
| JP3794206B2 (en) * | 1999-06-18 | 2006-07-05 | セイコーエプソン株式会社 | Inkjet recording device |
| ITBO20010078A1 (en) * | 2001-02-14 | 2002-08-14 | Gd Spa | SPRAY RUBBER UNIT |
| CN2485134Y (en) * | 2001-05-25 | 2002-04-10 | 明碁电通股份有限公司 | Shaver for preventing surplus ink remained at side of ink jet |
| JP2003033712A (en) * | 2001-07-25 | 2003-02-04 | Toppan Printing Co Ltd | Painting head cleaning device and cleaning method of the same |
| JP2004066164A (en) * | 2002-08-08 | 2004-03-04 | Dainippon Printing Co Ltd | Coating head cleaning device and cleaning method |
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2007
- 2007-02-16 CN CNB2007100841242A patent/CN100438985C/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101592867B (en) * | 2009-06-18 | 2011-10-26 | 友达光电股份有限公司 | Coating machine platform and method for cleaning nozzle of coating machine platform |
| CN105700294A (en) * | 2016-01-14 | 2016-06-22 | 武汉华星光电技术有限公司 | Nozzle cleaning jig for rubber coating machine and cleaning block of nozzle cleaning jig |
| CN105700294B (en) * | 2016-01-14 | 2020-02-18 | 武汉华星光电技术有限公司 | Nozzle cleaning jig of spreading machine and cleaning block thereof |
| CN110252598A (en) * | 2019-06-27 | 2019-09-20 | 京东方科技集团股份有限公司 | Doctor die group and scraper device |
| CN113522662A (en) * | 2021-06-11 | 2021-10-22 | 张安娜 | Relevant LED wafer paster work piece waxing processing apparatus of wisdom community |
| CN113522662B (en) * | 2021-06-11 | 2023-12-05 | 张安娜 | Wax coating processing device for LED chip patch workpiece related to intelligent community |
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|---|---|
| CN100438985C (en) | 2008-12-03 |
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