CN102452221B - Cleaning device for solder paste in meshes - Google Patents
Cleaning device for solder paste in meshes Download PDFInfo
- Publication number
- CN102452221B CN102452221B CN201010511457.0A CN201010511457A CN102452221B CN 102452221 B CN102452221 B CN 102452221B CN 201010511457 A CN201010511457 A CN 201010511457A CN 102452221 B CN102452221 B CN 102452221B
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- mesh
- those
- air
- guiding
- tin cream
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- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
- Screen Printers (AREA)
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 01005,01005th up till now, the passive device of current size 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 cannot be observed with steel plate perforate is visual, will cause a lot of difficult problems of production, and therefore on market, importing at present 01005 is palea Feng Jiao.
Find according to experiment, one of them of a 01005 production difficult problem is the residual tin in steel plate hole, and in hole, residual tin will affect tin under steel plate, causes the serious production defect of tin deficiency, the seriousness of residual tin, consent is also mentioned in some external researchs, and 01005 has 49% Defect to be contributed by printing machine.
Refer to Fig. 1, it is the structural representation of existing paste-tin printing apparatus, as shown in the figure, paste solder printing technology is that one is applied to the conventional adhering technical between carrier (as circuit board or substrate) and electronic component, current paste-tin printing apparatus as shown in Figure 1, the fixation kit 10 of one frame type, in fixation kit 10 middle groups, one web plate 12 is set, web plate 12 has multiple mesh 122, web plate 12 upper set be equipped with one can translation scraper 14, want in the time of carrier 16 surface printing tin cream, carrier 16 is inputted to web plate 12 bottom surfaces of this device, again in web plate 12 surface-coated tin creams, utilize scraper 14 flat brush and tin cream is clamp-oned in mesh 122 on web plate 12.
But, to get over exquisite along with electronic product, the more and more less trend of area of carrier 16, has but caused the bottleneck of paste solder printing.Gai Yin, because carrier 16 areas dwindle increasingly, the pitch reduction of web plate 12 and hole depth rate (being the ratio in hole depth and aperture) are increasing, while causing carrier 16 to depart from web plate 12, the viscous force of tin cream and carrier 16 cannot overcome viscous force between tin cream and mesh 122 hole walls, cause tin cream to form residual tin phenomenon from 122 disengagings of mesh completely, in the time that the accumulation of residual tin is more, the tin cream amount on carrier 16 of being printed in is fewer and feweri and affect the welding reliability 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 be removed, and the mode that web plate 12 is removed residual tin now has two kinds again, a kind of for utilizing a cleaning roller to act on web plate 12 bottom surfaces rollings, to carry out cleaning action.Another kind coordinates suction vacuum mode to remove residual tin in web plate 12 bottom surfaces with a cleaning cloth.But, no matter be to coordinate the mode of inhaling vacuum with cleaning roller or cleaning cloth, all cannot enter in the hole wall of mesh 122 and remove residual tin, do not cause cleaning effect good and affect the effect of follow-up print solder paste.
See also Fig. 2, the structural representation of its paste-tin printing apparatus that is another prior art; As shown in the figure, in order more effectively to remove the residual tin on web plate 12, therefore existingly more in scraper 14 both sides, air knife 142 is set, when scraper 14 is on web plate 12 when translation, web plate 12 is down suppressed and fitted in carrier 16 end faces simultaneously, 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 mesh 122, the air knife 142 that is now positioned at scraper 14 1 sides is sprayed on the hole wall of mesh 122 with the air-flow of ejection at a high speed, and the residual tin that adheres to hole wall is blown off, keep the clean of mesh 122 hole walls, in order to the integrality of subsequent printings tin cream.But because mesh 122 is too small, the air that air knife 142 blows out also cannot blow off tin cream completely, therefore still has tin cream and is piled up in mesh 122 hole walls.
Therefore the invention provides a kind of cleaning device of mesh tin cream, it can avoid tin cream to be piled up in mesh inwall, and then to avoid being printed in tin cream amount on carrier be fewer and feweri and affect the welding reliability and adhesion effect 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 by multiple wind-guiding posts so that a gas is directed in multiple mesh, so that gas flow enters mesh and the tin cream in hole is released, so can avoid tin cream to be piled up in mesh wall, and then to avoid being printed in tin cream amount on carrier be fewer and feweri and affect 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 by an air-supply arrangement, and pass through multiple air-guiding holes so that gas flows into air-guiding hole, to allow gas that tin cream is released to mesh, so more can avoid tin cream to be piled up in mesh wall, the tin cream amount that more can avoid being printed on carrier is 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, web plate is provided with multiple 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 multiple wind-guiding posts and multiple air-guiding hole, and the position of wind-guiding post is relative with the position of mesh, air-guiding hole position in wind-guiding post around, 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.By wind-guiding post and air-guiding hole to allow gas be directed in mesh, so that gas flow enters mesh and the tin cream in hole is released, so can avoid tin cream to be piled up in mesh wall, and then to avoid being printed in tin cream amount on carrier be fewer and feweri and affect the welding reliability and adhesion effect of electronic component.
Accompanying drawing explanation
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.
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
Hereby, for your juror is had a better understanding and awareness architectural feature of the present invention and effect of reaching, sincerely help with preferred embodiment and coordinate detailed explanation, illustrating as rear:
Refer to Fig. 3 A, the structural representation of the cleaning device of its mesh tin cream that is 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, web plate 20 is provided with multiple 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 multiple 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, air-supply arrangement 40 provides a gas to deflector 30, and therefore, inflow air-guiding hole 32 is directed into mesh 22 marginal positions by gas, and gas is being flowed into mesh 22 and tin cream is released to mesh 22 inwalls by marginal position.By air-guiding hole 32 to allow gas be directed in mesh 22 marginal positions, so that gas flow is while entering 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 carrier be fewer and feweri and affect the adhesion effect of electronic component.
See also Fig. 3 B, it is the air-guiding hole of preferred embodiment of the present invention and the position view of mesh; As shown in the figure, air-guiding hole 32 setting positions of the present invention are with relative with the marginal position of mesh 22, and still as shown in Figure 3 B, multiple air-guiding holes 32 are around the edge that mesh 22 is set, and the size of air-guiding hole 32 to be less than mesh 22 many.So can allow gas be directed to mesh 22 when interior, comparatively be easy to pour into the edge of mesh 22, really effectively tin cake is released to mesh 22.
Refer to Fig. 3 C, the structural representation of the cleaning device of its mesh tin cream that is 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 multiple wind-guiding posts 34, wind-guiding post 34 is located at deflector 30, and the setting position of wind-guiding post 34 is relative with the position of mesh 22, and allows 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 in the time that air-supply arrangement 40 provides gas to deflector 30, gas flows into the periphery of the wind-guiding post 34 of flowing through again after air-guiding hole 32, flow into pilot gas in the edge of mesh 22, so can be certain tin cream is released to 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 carrier and be fewer and feweri and affect the welding reliability and adhesion effect of electronic component.
See also Fig. 4 A and Fig. 4 B, the structural representation of the cleaning device of its mesh tin cream that is 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.But the deflector 30 of Fig. 4 A embodiment only arranges multiple air-guiding holes 32, and the deflector 30 of this embodiment does not comprise wind-guiding post 34.Draw a gas by 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, so also can make gas flee along mesh 22 inwalls, with certain mesh 22 inwalls that tin cream is released.
And the deflector 30 of Fig. 4 B embodiment only arranges multiple wind-guiding posts 34, and the deflector 30 of this embodiment does not comprise air-guiding hole 32.The position of wind-guiding post 34 is relative with the position of mesh 22, and draw a gas by 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, gas flow is released tin cream outside mesh 22, and gas is being drawn via getter device 50.So also can make gas flee along mesh 22 inwalls, with certain mesh 22 inwalls that tin cream is released.
See also Fig. 5 A and Fig. 5 B, the structural representation of the cleaning device of its mesh tin cream that is another preferred embodiment of the present invention; As shown in the figure, in order more to increase the cleaning efficiency of mesh 22 interior tin creams, therefore the present invention promotes the flow rate of gas, therefore the embodiment of Fig. 5 A and Fig. 5 B comprises getter device 50 and air-supply arrangement 40 simultaneously.After so can making gas be provided by air-supply arrangement 40, drawn by getter device 50 rapidly, so can accelerate the speed of gas flow through air-guiding hole 32 and wind-guiding post 34, more promote the cleaning efficiency of mesh 22 interior tin creams.
In sum, the cleaning device of mesh tin cream of the present invention comprises a web plate, a deflector and an air-supply arrangement, web plate is provided with multiple 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 multiple air-guiding holes and multiple 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.By wind-guiding post and air-guiding hole to allow gas effectively be directed into mesh inwall, so that the certain inflow mesh of gas the tin cream in hole is released, so can avoid tin cream to be piled up in mesh wall, and then to avoid being printed in tin cream amount on carrier be fewer and feweri and affect the welding reliability and adhesion effect of electronic component.
Therefore the present invention one has novelty, progressive and can supply industry user, should meet the patent application important document of patent law of china defined undoubtedly, whence proposes application for a patent for invention in accordance with the law, pray an ancient unit of weight office and grant early quasi patent, to sense for praying.
Above-described is only a preferred embodiment of the present invention, not be used for limiting scope of the invention process, such as change and modify according to the shape described in the claims in the present invention, structure, feature and spirit institute are impartial for it, all should be included in claim of the present invention.
Claims (3)
1. a cleaning device for mesh tin cream, comprises:
Web plate, is provided with multiple mesh, remains a tin cream in the hole wall of those mesh;
Deflector, be located at the top of this web plate, this deflector has multiple air-guiding holes and multiple wind-guiding post, the radius of those air-guiding holes is less than the aperture of those mesh, those air-guiding holes are around the edge that is arranged on this mesh, and relative with the edge of this mesh, the radius of those wind-guiding posts is less than the aperture of those mesh relative with the position of those mesh, those air-guiding holes are positioned at those wind-guiding posts around, gas flows into those air-guiding holes and the periphery of those wind-guiding posts of flowing through and be directed into those mesh, and this tin cream of those mesh is subject to the thrust of this gas and blows off; 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 to this mesh.
2. a cleaning device for mesh tin cream, comprises:
Web plate, is provided with multiple mesh, a residual tin cream in the hole wall of those mesh;
Deflector, be located at the top of this web plate, this deflector has multiple air-guiding holes and multiple wind-guiding post, the radius of those air-guiding holes is less than the aperture of those mesh, those air-guiding holes are around the edge that is arranged on this mesh, and relative with the edge of this mesh, the radius of those wind-guiding posts is less than the aperture of those mesh relative with the position of those mesh, those air-guiding holes are positioned at those wind-guiding posts around, gas flows into those air-guiding holes and the periphery of those wind-guiding posts of flowing through and be directed into those mesh, and this tin cream of those mesh is subject to the thrust of this gas and blows off; And
Getter device, draws a gas, 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 after this mesh.
3. a cleaning device for mesh tin cream, comprises:
Getter device, draws a gas;
Web plate, is located at the top of this getter device, and this web plate is provided with multiple mesh, a residual tin cream in the hole wall of those mesh, and this gas flows into via those mesh via this gas;
Deflector, be located at the top of this web plate, this deflector is provided with multiple air-guiding holes and multiple wind-guiding post, the radius of those air-guiding holes is less than the aperture of those mesh, those air-guiding holes are around the edge that is arranged on this mesh, and relative with the edge of this mesh, the radius of those wind-guiding posts is less than the aperture of those mesh relative with the position of those mesh, those air-guiding holes are positioned at those wind-guiding posts around, this gas flows into those air-guiding holes and the periphery of those wind-guiding posts of flowing through and be directed into those mesh, and this tin cream of those mesh is subject to the thrust of this gas and blows off; 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 this tin cream is released after this mesh, and this gas is drawn via getter device.
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 CN102452221A (en) | 2012-05-16 |
| CN102452221B true CN102452221B (en) | 2014-05-28 |
Family
ID=46036083
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) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11273632B2 (en) * | 2018-03-12 | 2022-03-15 | Panasonic Intellectual Property Management Co., Ltd. | Screen printing apparatus, mask cleaner, and blade |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1219908A (en) * | 1996-05-28 | 1999-06-16 | 松下电器产业株式会社 | Cleaning apparatus and cleaning method |
| 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 |
Family Cites Families (9)
| 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 |
| 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 |
| CN2658444Y (en) * | 2003-10-28 | 2004-11-24 | 联想(北京)有限公司 | Guiding cover of heat radiation system |
| CN1288341C (en) * | 2004-01-15 | 2006-12-06 | 黄永康 | Shaft-hanged type windmill |
| JP4994710B2 (en) * | 2006-05-17 | 2012-08-08 | ヤマハ発動機株式会社 | Screen printing device |
| CN101207995B (en) * | 2006-12-20 | 2010-12-29 | 富准精密工业(深圳)有限公司 | Heat radiation model set and electronic device adopting the same |
-
2010
- 2010-10-19 CN CN201010511457.0A patent/CN102452221B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1219908A (en) * | 1996-05-28 | 1999-06-16 | 松下电器产业株式会社 | Cleaning apparatus and cleaning method |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102452221A (en) | 2012-05-16 |
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Granted publication date: 20140528 Termination date: 20201019 |
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