CN102452221A - Cleaning device for solder paste in meshes - Google Patents
Cleaning device for solder paste in meshes Download PDFInfo
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- CN102452221A CN102452221A CN2010105114570A CN201010511457A CN102452221A CN 102452221 A CN102452221 A CN 102452221A CN 2010105114570 A CN2010105114570 A CN 2010105114570A CN 201010511457 A CN201010511457 A CN 201010511457A CN 102452221 A CN102452221 A CN 102452221A
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- mesh
- those
- air
- tin cream
- guiding
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Abstract
The invention discloses a cleaning device for solder paste in meshes. The cleaning device comprises a halftone, a guide plate and an air supply device, wherein the halftone is provided with a plurality of meshes; solder paste is remained on walls of the meshes; the guide plate is arranged above the halftone, and is provided with a plurality of air guide holes and a plurality of air guide columns; the air guide holes are positioned at the peripheries of the air guide columns; the air guide columns are opposite to the meshes; the air supply device is arranged above the guide plate and provides air for the guide plate; and the air flows into the air guide holes and is guided into the meshes. The air can be guided to the inner walls of the meshes through the air guide holes and the air guide columns, so that the air flows into the meshes and pushes the solder paste in the meshes out, the solder paste can be prevented from being accumulated on the walls of the meshes, and a phenomenon that the solder paste printed on a carrier becomes less to influence the welding reliability and the adherence of electronic elements is avoided.
Description
Technical field
The present invention relates to a kind of cleaning device, particularly relate to a kind of cleaning device of mesh tin cream.
Background technology
In recent years electronic product is towards compact design, with in response to consumer's mobile demand.Therefore passive device is by from 0402,0201 minimum up till now 01005,01005th, the passive device that present size is minimum.01005 concrete size length and width are 0.4mm * 0.2mm; Corresponding steel plate size is generally the circle of diameter 0.19mm; So little element can't be observed with the steel plate perforate is visual, will cause and produce a lot of difficult problems, therefore at present on market importing 01005 be palea Feng Jiao.
Find according to experiment; One of them of 01005 a production difficult problem is the residual tin in the steel plate hole, and residual tin will influence tin property under the steel plate in the hole, causes the not enough serious production defective of tin; The seriousness of residual tin, consent is also mentioned in some external researchs, and 01005 has 49% Defect to be contributed by printing machine.
See also Fig. 1, it is for the structural representation of existing paste-tin printing apparatus, and is as shown in the figure; The paste solder printing technology is a kind of adhesion technology commonly used that is applied between carrier (like circuit board or substrate) and electronic component, and present paste-tin printing apparatus is as shown in Figure 1, the fixation kit 10 of a frame type; In fixation kit 10 middle groups one web plate 12 is set, web plate 12 has a plurality of mesh 122, web plate 12 upper set be equipped with one can translation scraper 14; Desire when carrier 16 surface printing tin creams; With web plate 12 bottom surfaces of these devices of carrier 16 input,, utilize scraper 14 flat brush and tin cream is clamp-oned in the mesh 122 on web plate 12 again in web plate 12 surface coated tin creams.
Yet, to get over exquisite along with electronic product, the trend that the area of carrier 16 is more and more littler has but caused the bottleneck of paste solder printing.Gai Yin; Because carrier 16 areas dwindle day by day, the pitch of web plate 12 is dwindled and hole depth rate (being the ratio in hole depth and aperture) is increasing, when causing carrier 16 to break away from web plate 12; The viscous force of tin cream and carrier 16 can't overcome viscous force between tin cream and mesh 122 hole walls; Cause tin cream can't be fully to break away from and form residual tin phenomenon from 122 of mesh, when residual tin accumulation more for a long time, the tin cream amount on the carrier 16 of being printed in is fewer and feweri and influence the reliable welding degree and the effect of adhering of electronic component.
From the above, the residual tin phenomenon of paste-tin printing apparatus is a kind of corollary, must remove, and the mode of the residual tin of web plate 12 removings now has two kinds again, and is a kind of for utilizing a cleaning roller to act on the rolling of web plate 12 bottom surfaces, to carry out cleaning action.Another kind cooperates the suction vacuum mode to remove residual tin in web plate 12 bottom surfaces with a cleaning cloth.Yet, no matter be to cooperate the mode of inhaling vacuum, all can't get in the hole wall of mesh 122 and remove residual tin with cleaning roller or cleaning cloth, do not cause cleaning effect good and influence the effect of follow-up print solder paste.
Please consult Fig. 2 in the lump, it is the structural representation of the paste-tin printing apparatus of another prior art; As shown in the figure; In order more effectively to remove the residual tin on the web plate 12, therefore existingly more air knife 142 is set in scraper 14 both sides, when scraper 14 on web plate 12 during translation; Simultaneously web plate 12 is down suppressed and fitted in carrier 16 end faces, and tin cream is tamped in mesh 122 and carrier 16 end faces.And web plate 12 recovers original height after scraper 14 translations were suppressed; And the more residual tin creams that are bound in the mesh 122; The air knife 142 that is positioned at scraper 14 1 sides this moment promptly is sprayed on the hole wall of mesh 122 with the air-flow of ejection at a high speed; And the residual tin that will adhere to hole wall blows off, and keeps the cleaning of mesh 122 hole walls, in order to the integrality of subsequent printings tin cream.Yet because mesh 122 is too small, the air that air knife 142 is blown out also can't blow off tin cream fully, and therefore still having tin cream is piled up in mesh 122 hole walls.
Therefore the present invention provides a kind of cleaning device of mesh tin cream, and it can avoid tin cream to be piled up in the mesh inwall, and then to avoid being printed in tin cream amount on the carrier be fewer and feweri and influence the reliable welding degree and the effect of adhering of electronic component.
Summary of the invention
One of the object of the invention is to provide a kind of cleaning device of mesh tin cream; Its through a plurality of wind-guiding posts so that a gas is directed in a plurality of mesh; So that gas flows into mesh and the tin cream in the hole is released; So can avoid tin cream to be piled up in the mesh wall, and then to avoid being printed in tin cream amount on the carrier be fewer and feweri and influence the adhesion effect of electronic component.
One of the object of the invention; Be to provide a kind of cleaning device of mesh tin cream; It provides a gas through an air-supply arrangement, and passes through a plurality of air-guiding holes so that gas flows into air-guiding hole, to let gas that tin cream is released mesh; So more can avoid tin cream to be piled up in the mesh wall, the tin cream amount that more can avoid being printed on the carrier is a situation less and less.
The cleaning device of mesh tin cream of the present invention comprises a web plate, a deflector and an air-supply arrangement, and web plate is provided with a plurality of mesh, a residual tin cream in the hole wall of mesh; Deflector is located at the top of web plate, and deflector is provided with a plurality of wind-guiding posts and a plurality of air-guiding hole, and the position of wind-guiding post is relative with the position of mesh; The air-guiding hole position is then around the wind-guiding post; Air-supply arrangement is located at the top of deflector, and air-supply arrangement provides a gas to deflector, and gas flows into air-guiding hole and is directed into mesh.Through wind-guiding post and air-guiding hole to let gas be directed in the mesh; So that gas flows into mesh and the tin cream in the hole is released; So can avoid tin cream to be piled up in the mesh wall, and then to avoid being printed in tin cream amount on the carrier be fewer and feweri and influence the reliable welding degree and adhesion effect of electronic component.
Description of drawings
Fig. 1 is the structural representation of existing paste-tin printing apparatus;
Fig. 2 is the structural representation of the paste-tin printing apparatus of another prior art;
Fig. 3 A is the structural representation of the cleaning device of the mesh tin cream of preferred embodiment of the present invention;
Fig. 3 B is the air-guiding hole of preferred embodiment of the present invention and the position view of mesh;
Fig. 3 C is the structural representation of the cleaning device of the mesh tin cream of another preferred embodiment of the present invention;
Fig. 4 A is the structural representation of the cleaning device of the mesh tin cream of another preferred embodiment of the present invention;
Fig. 4 B is the structural representation of the cleaning device of the mesh tin cream of another preferred embodiment of the present invention;
Fig. 5 A is the structural representation of the cleaning device of the mesh tin cream of another preferred embodiment of the present invention; And
Fig. 5 B is the structural representation of the cleaning device of the mesh tin cream of another preferred embodiment of the present invention.
The figure number simple declaration
10 fixation kits
12 web plates
122 mesh
14 scrapers
142 air knives
16 carriers
20 web plates
22 mesh
30 deflectors
32 air-guiding holes
34 wind-guiding posts
40 air-supply arrangements
50 getter devices
The specific embodiment
Now for making your juror further understanding and understanding arranged to architectural feature of the present invention and the effect reached, sincerely help with preferred embodiment and cooperate detailed explanation, explain as afterwards:
See also Fig. 3 A, it is the structural representation of the cleaning device of the mesh tin cream of preferred embodiment of the present invention; As shown in the figure; The cleaning device of mesh 22 tin creams of the present invention comprises a web plate 20, a deflector 30 and an air-supply arrangement 40, and web plate 20 is provided with a plurality of mesh 22, a residual tin cream in the hole wall of mesh 22; Deflector 30 is located at the top of web plate 20; Deflector 30 has a plurality of air-guiding holes 32, and the position of air-guiding hole 32 is with respect to mesh 22 edges, and the radius of air-guiding hole 32 is less than the aperture of mesh 22.And air-supply arrangement 40 is located at the top of deflector 30, and air-supply arrangement 40 provides a gas to deflector 30, and therefore, gas will flow into air-guiding hole 32 and be directed into mesh 22 marginal positions, and gas is being flowed into mesh 22 and tin cream is released mesh 22 inwalls by marginal position.Through air-guiding hole 32 to let gas be directed in mesh 22 marginal positions; So that gas is when flowing into mesh 22; More certain mesh 22 inwalls that tin cream is released; So can avoid tin cream to be piled up in mesh 22 walls, and then to avoid being printed in tin cream amount on the carrier be fewer and feweri and influence the adhesion effect of electronic component.
Please consult Fig. 3 B in the lump, it is the position view of the air-guiding hole of preferred embodiment of the present invention and mesh; As shown in the figure, air-guiding hole 32 of the present invention is provided with the position with relative with the marginal position of mesh 22, and shown in Fig. 3 B, a plurality of air-guiding holes 32 are around the edge that mesh 22 is set, and the size of air-guiding hole 32 is many less than mesh 22.In the time of so can letting gas be directed in the mesh 22, the more or less freely edge that pours into mesh 22 is effectively to release mesh 22 with the tin cake really.
See also Fig. 3 C, it is the structural representation of the cleaning device of the mesh tin cream of preferred embodiment of the present invention; As shown in the figure; The embodiment that this embodiment is different from Fig. 3 B is that this embodiment more comprises a plurality of wind-guiding posts 34; Wind-guiding post 34 is located at deflector 30, and the position that position and mesh 22 are set of wind-guiding post 34 is relative, and let air-guiding hole 32 be positioned at wind-guiding post 34 around.The radius of wind-guiding post 34 of the present invention is less than the aperture of those mesh 22; Therefore when air-supply arrangement 40 provides gas to deflector 30; Gas flows into the periphery of the wind-guiding post 34 of flowing through again behind the air-guiding hole 32, flows into pilot gas in the edge of mesh 22, so can be certain tin cream is released mesh 22 inwalls; To avoid tin cream to be piled up in mesh 22 walls, more can avoid being printed in tin cream amount on the carrier and be fewer and feweri and influence the reliable welding degree and adhesion effect of electronic component.
Please consult Fig. 4 A and Fig. 4 B in the lump, it is the structural representation of the cleaning device of the mesh tin cream of another preferred embodiment of the present invention; As shown in the figure, the embodiment of Fig. 4 A and Fig. 4 B is except comprising web plate 20 and deflector 30, and this embodiment more comprises and a getter device 50.Yet the deflector 30 of Fig. 4 A embodiment only is provided with a plurality of air-guiding holes 32, and the deflector 30 of this embodiment does not comprise wind-guiding post 34.Draw a gas through getter device 50, gas is flowed downward via web plate 20 tops, gas is directed in mesh 22 edges by wind-guiding post hole 32, and gas is fled along mesh 22 inwalls, with certain mesh 22 inwalls that tin cream is released.
And the deflector 30 of Fig. 4 B embodiment only is provided with a plurality of wind-guiding posts 34, and the deflector 30 of this embodiment does not comprise air-guiding hole 32.The position of the position of wind-guiding post 34 and mesh 22 is relative; And draw a gas through getter device 50; Gas is flowed downward via web plate 20 tops; Gas is directed in mesh 22 edges by the periphery of wind-guiding post 34, and gas stream is released tin cream outside the mesh 22, and gas is being drawn via getter device 50.Gas is fled, with certain mesh 22 inwalls that tin cream is released along mesh 22 inwalls.
Please consult Fig. 5 A and Fig. 5 B in the lump, it is the structural representation of the cleaning device of the mesh tin cream of another preferred embodiment of the present invention; As shown in the figure, in order more to increase the cleaning efficiency of tin creams in the mesh 22, so the present invention promotes gas flow speed, so the embodiment of Fig. 5 A and Fig. 5 B comprises getter device 50 and air-supply arrangement 40 simultaneously.After gas is provided by air-supply arrangement 40, drawn by getter device 50 rapidly, so can accelerate gas stream, more promote the cleaning efficiency of tin cream in the mesh 22 through the speed of air-guiding hole 32 with wind-guiding post 34.
In sum, the cleaning device of mesh tin cream of the present invention comprises a web plate, a deflector and an air-supply arrangement, and web plate is provided with a plurality of mesh; A residual tin cream in the hole wall of mesh; Deflector is located at the top of web plate, and deflector is provided with a plurality of air-guiding holes and a plurality of wind-guiding post, and air-supply arrangement is located at the top of deflector; Air-supply arrangement provides a gas to deflector, and gas flows into air-guiding hole and wind-guiding post and is directed into mesh.Through wind-guiding post and air-guiding hole to let gas effectively be directed into the mesh inwall; So that the certain inflow mesh of gas and the tin cream in the hole released; So can avoid tin cream to be piled up in the mesh wall, and then to avoid being printed in tin cream amount on the carrier be fewer and feweri and influence the reliable welding degree and adhesion effect of electronic component.
So the present invention one has novelty, progressive and can the confession industry person of utilization, the patent application important document that should meet the patent law of china defined undoubtedly, the whence proposes application for a patent for invention in accordance with the law, pray an ancient unit of weight office and grant quasi patent early, to sense for praying.
Above-describedly be merely a preferred embodiment of the present invention; Be not to be used for limiting the scope that the present invention implements; Such as change and modification according to the described shape of claim of the present invention, structure, characteristic and spiritual institute are impartial for it, all should be included in the claim of the present invention.
Claims (12)
1. the cleaning device of a mesh tin cream comprises:
Web plate is provided with a plurality of mesh, and residual in the hole wall of those mesh have a tin cream;
Deflector is located at the top of this web plate, and this deflector has a plurality of air-guiding holes, and the position of those air-guiding holes is relative with the periphery of those mesh; And
Air-supply arrangement is located at the top of this deflector, and this air-supply arrangement provides a gas to this deflector, and this gas flows into those air-guiding holes and is directed into those mesh, and this gas flows into those mesh and this tin cream is released this mesh.
2. the cleaning device of mesh tin cream as claimed in claim 1, wherein the radius of those air-guiding holes is less than the aperture of those mesh.
3. the cleaning device of mesh tin cream as claimed in claim 1; Wherein this wind deflector also comprises a plurality of wind-guiding posts; The position of those wind-guiding posts and those mesh is relative; Those air-guiding holes be positioned at those wind-guiding posts around, this gas flows into the periphery of those air-guiding holes and those wind-guiding posts of flowing through and is directed into those mesh, this tin cream of those mesh receives the thrust of this gas and blows off.
4. the cleaning device of mesh tin cream as claimed in claim 3, wherein the radius of those wind-guiding posts is less than the aperture of those mesh.
5. the cleaning device of a mesh tin cream comprises:
Web plate is provided with a plurality of mesh, a residual tin cream in the hole wall of those mesh;
Deflector is located at the top of this web plate, and this deflector has a plurality of air-guiding holes, and the position of those air-guiding holes is relative with the periphery of those mesh; And
Getter device is drawn a gas, and this gas flows into those air-guiding holes and is directed into those mesh, and this gas flows into those mesh also with behind this this mesh of tin cream release.
6. the cleaning device of mesh tin cream as claimed in claim 5, wherein the radius of those air-guiding holes is less than the aperture of those mesh.
7. the cleaning device of mesh tin cream as claimed in claim 5; Wherein this wind deflector also comprises a plurality of wind-guiding posts; The position of those wind-guiding posts and those mesh is relative; Those air-guiding holes be positioned at those wind-guiding posts around, this gas flows into the periphery of those air-guiding holes and those wind-guiding posts of flowing through and is directed into those mesh, this tin cream of those mesh receives the thrust of this gas and blows off.
8. the cleaning device of mesh tin cream as claimed in claim 7, wherein the radius of those wind-guiding posts is less than the aperture of those mesh.
9. the cleaning device of a mesh tin cream comprises:
Getter device is drawn a gas;
Web plate is located at the top of this getter device, and this web plate is provided with a plurality of mesh, a residual tin cream in the hole wall of those mesh, and this gas flows into via those mesh via this gas;
Deflector is located at the top of this web plate, and this deflector is provided with a plurality of air-guiding holes, and the position of those air-guiding holes is relative with the periphery of those mesh; And
Air-supply arrangement; Be located at the top of this deflector, this air-supply arrangement provides this gas to this deflector, and this gas flows into those air-guiding holes and is directed into those mesh; This gas flows into those mesh and with behind this this mesh of tin cream release, this gas is drawn via getter device.
10. the cleaning device of mesh tin cream as claimed in claim 9, wherein the radius of those air-guiding holes is less than the aperture of those mesh.
11. the cleaning device of mesh tin cream as claimed in claim 9; Wherein this deflector also comprises a plurality of wind-guiding posts; The position of those wind-guiding posts and those mesh is relative; Those air-guiding holes be positioned at those wind-guiding posts around, this gas flows into the periphery of those air-guiding holes and those wind-guiding posts of flowing through and is directed into those mesh, this tin cream of those mesh receives the thrust of this gas and blows off.
12. the cleaning device of mesh tin cream as claimed in claim 11, wherein the radius of those wind-guiding posts is less than the aperture of those mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010511457.0A CN102452221B (en) | 2010-10-19 | 2010-10-19 | Cleaning device for solder paste in meshes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010511457.0A CN102452221B (en) | 2010-10-19 | 2010-10-19 | Cleaning device for solder paste in meshes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102452221A true CN102452221A (en) | 2012-05-16 |
| CN102452221B CN102452221B (en) | 2014-05-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010511457.0A Expired - Fee Related CN102452221B (en) | 2010-10-19 | 2010-10-19 | Cleaning device for solder paste in meshes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102452221B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115320228A (en) * | 2018-03-12 | 2022-11-11 | 松下知识产权经营株式会社 | Screen printing apparatus, mask cleaner, and squeegee |
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| JPH06126928A (en) * | 1992-10-19 | 1994-05-10 | Sony Corp | Cleaning device of cream solder screen printing machine |
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| JP2001310452A (en) * | 2000-04-28 | 2001-11-06 | Process Lab Micron:Kk | Method and device for cleaning masking plate for printing |
| CN1434673A (en) * | 2002-01-22 | 2003-08-06 | 华通电脑股份有限公司 | Tinol printer capable of being beneficial to tinol actively separating |
| CN1446039A (en) * | 2002-03-14 | 2003-10-01 | 华通电脑股份有限公司 | Solder paste print deice for remnant stannum easy to be shed-off |
| CN2658444Y (en) * | 2003-10-28 | 2004-11-24 | 联想(北京)有限公司 | Guiding cover of heat radiation system |
| CN1558109A (en) * | 2004-01-15 | 2004-12-29 | 黄永康 | Shaft-hanged type windmill |
| JP2007307750A (en) * | 2006-05-17 | 2007-11-29 | Yamaha Motor Co Ltd | Screen printing equipment |
| CN101207995A (en) * | 2006-12-20 | 2008-06-25 | 富准精密工业(深圳)有限公司 | Heat radiation model set and electronic device adopting the same |
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2010
- 2010-10-19 CN CN201010511457.0A patent/CN102452221B/en not_active Expired - Fee Related
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05177811A (en) * | 1992-01-06 | 1993-07-20 | Furukawa Electric Co Ltd:The | Cleaning method and its device of printing mask |
| JPH05318712A (en) * | 1992-05-26 | 1993-12-03 | Fujitsu Ltd | Paste solder printing device |
| JPH06126928A (en) * | 1992-10-19 | 1994-05-10 | Sony Corp | Cleaning device of cream solder screen printing machine |
| CN1219908A (en) * | 1996-05-28 | 1999-06-16 | 松下电器产业株式会社 | Cleaning apparatus and cleaning method |
| JPH11268251A (en) * | 1998-03-24 | 1999-10-05 | Process Lab Micron:Kk | Method and apparatus for cleaning printing mask plate |
| JP2001310452A (en) * | 2000-04-28 | 2001-11-06 | Process Lab Micron:Kk | Method and device for cleaning masking plate for printing |
| CN1434673A (en) * | 2002-01-22 | 2003-08-06 | 华通电脑股份有限公司 | Tinol printer capable of being beneficial to tinol actively separating |
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| CN2658444Y (en) * | 2003-10-28 | 2004-11-24 | 联想(北京)有限公司 | Guiding cover of heat radiation system |
| CN1558109A (en) * | 2004-01-15 | 2004-12-29 | 黄永康 | Shaft-hanged type windmill |
| JP2007307750A (en) * | 2006-05-17 | 2007-11-29 | Yamaha Motor Co Ltd | Screen printing equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115320228A (en) * | 2018-03-12 | 2022-11-11 | 松下知识产权经营株式会社 | Screen printing apparatus, mask cleaner, and squeegee |
| CN115320228B (en) * | 2018-03-12 | 2024-01-30 | 松下知识产权经营株式会社 | Screen printing apparatus, mask cleaner, and squeegee |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102452221B (en) | 2014-05-28 |
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Granted publication date: 20140528 Termination date: 20201019 |