CN102078852B - Spraying shielding structure and spraying shielding method using same - Google Patents

Spraying shielding structure and spraying shielding method using same Download PDF

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Publication number
CN102078852B
CN102078852B CN 200910310740 CN200910310740A CN102078852B CN 102078852 B CN102078852 B CN 102078852B CN 200910310740 CN200910310740 CN 200910310740 CN 200910310740 A CN200910310740 A CN 200910310740A CN 102078852 B CN102078852 B CN 102078852B
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CN
China
Prior art keywords
covering
spraying
groove
edge
support surface
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Expired - Fee Related
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CN 200910310740
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Chinese (zh)
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CN102078852A (en
Inventor
郑振兴
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Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
Original Assignee
Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
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Priority to CN 200910310740 priority Critical patent/CN102078852B/en
Publication of CN102078852A publication Critical patent/CN102078852A/en
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  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

The invention provides a spraying shielding structure which is used for shielding the non-spraying picture of a workpiece; the workpiece comprises a groove concaved from a spraying surface; the base surface of the groove is the non-spraying surface; the spraying shielding structure comprises a first shielding piece and a second shielding piece; the first shielding piece comprises a propping surface and a shielding surface opposite to the propping surface; the first shielding piece can be contained in the groove and the shielding surface of the first shielding piece is ensured to face to the base surface of the groove; the second shielding piece is provided with a top propping surface matched with the propping surface of the first shielding piece; the outline shapes of the edge of the propping surface and the edge of the top propping surface are the same as the outline shape of the edge of the base surface of the groove. The spraying shielding structure uses a gap formed by the propping surface and the top propping surface for generating an absorption function to a coating so as to absorb parts of the coating, thereby reducing the coating or preventing the coating from being flowed from the gaps among the groove, the first shielding piece and the second shielding piece to the base surface so as to improve the spraying quality.

Description

Spraying masking structure and adopt the spraying masking methods of this structure
Technical field
The present invention relates to a kind of spraying masking methods that sprays masking structure and adopt this structure.
Background technology
General consumer electronic product such as shells such as mobile phone or computer carry out the spraying of outer surface usually to reach the decorative purpose of beautifying shell.Electronic product shell can be provided with groove usually other assembly to be installed or to be used to mark off the difference zone of spraying paint.When the bottom of groove need not to spray, need to adopt corresponding covering to be covered, so that spraying.
Spraying masking methods commonly used adopts the covering identical with the groove floor shape to be positioned in the groove, and covering is covered in groove floor and coating is sprayed onto groove floor when preventing to spray.Yet because the restriction of machining accuracy, covering and groove can not be fitted fully, certainly exist small slit.During spraying, when the coating layer thickness of surface of the work is big, the quantity for spray of unit are is also bigger, have more coating and be sprayed on the covering this moment, and the slit between covering and the recess sidewall produces absorption affinity owing to capillarity to coating, thereby coating is adsorbed to groove floor along the sidewall of groove, makes the bottom surface of groove be coated on coating, reduced the coating quality of product.
Summary of the invention
In view of above-mentioned condition, be necessary to provide a kind of spraying masking methods that improves the spraying masking structure of coating quality and adopt this structure.
A kind of spraying masking structure, be used for the non-spraying face of workpiece is covered, workpiece comprises the groove from spraying face depression, the bottom surface of groove is the non-spraying face, the spraying masking structure comprises first covering and second covering, first covering has a supporting surface and the cover face relative with supporting surface, first covering can be contained in groove and make the bottom surface of the face of covering towards groove, second covering has the support surface that cooperates with the supporting surface of first covering, and the contour shape at supporting surface and edge, support surface is identical with the contour shape of the bottom edge of groove.
A kind of spraying masking methods, the non-spraying face when being used for Workpiece painting covers, and may further comprise the steps: a workpiece is provided, and workpiece comprises that groove has the bottom surface from the groove of spraying face depression, and the bottom surface is the non-spraying face; One spraying masking structure is provided, the spraying masking structure comprises first covering and second covering, first covering has a supporting surface and the cover face relative with supporting surface, first covering can be contained in groove and make the bottom surface of the face of covering towards groove, second covering has the support surface that cooperates with supporting surface, and the contour shape at supporting surface and edge, support surface is identical with the contour shape of bottom edge; First covering is positioned over the groove of workpiece, makes the bottom surface of the face of covering towards groove, the supporting surface edge is concordant with the edge of groove floor; Second covering is positioned on first covering, support surface and supporting surface are fitted, and the edge, support surface is concordant with the supporting surface edge.
Because supporting surface and support surface form the slit coating are produced suction-operated and absorbed portion coating, can reduce or avoid coating to flow to the bottom surface like this from slit between groove and first covering, second covering, thus the raising coating quality.
Description of drawings
Fig. 1 is the schematic diagram of the spray equipment of the embodiment of the invention one.
Fig. 2 is the partial enlarged drawing of the spray equipment of Fig. 1.
Fig. 3 is the spraying schematic diagram of the spray equipment of Fig. 1.
Fig. 4 is the partial enlarged drawing of the spray equipment of the embodiment of the invention two.
Fig. 5 is the partial enlarged drawing of the spray equipment of the embodiment of the invention three.
Fig. 6 is the spraying schematic diagram of the spray equipment of Fig. 5.
The specific embodiment
Below in conjunction with embodiment to spray equipment of the present invention and adopt the spraying method of this device to be described in further detail.
See also Fig. 1, when the spraying masking structure 100 of the embodiment of the invention one is used for workpiece 110 and sprays the non-spraying face is covered, it comprises first covering 120 and second covering 130.
See also Fig. 2, workpiece 110 comprises to be sprayed 111 groove 112 that reaches to be sprayed 111 depression.Groove 112 has bottom surface 1121 and reaches from the bottom surface 1121 vertically extending sidewalls 1122, and sidewall 1122 intersects with spraying face 111.In the present embodiment, the bottom surface 1121 of groove 112 is the non-spraying face.
First covering 120 is roughly sheet, and its shape is corresponding with the shape of groove 112, and comprises supporting surface 121, the side 122 adjacent with supporting surface 121 and the cover face 123 relative with supporting surface 121.The shape of covering the bottom surface 1121 of the shape of face 123 and groove 112 matches.Supporting surface 121 edge contours are identical with bottom surface 1121 edge contours, and side 122 is perpendicular to supporting surface 121.In the present embodiment, supporting surface 121 is the plane.
Second covering 130 is roughly sheet, and it comprises support surface 131, the guide face 132 adjacent with support surface 131 and the end face 133 relative with support surface 131.Support surface 131 edge contours are identical with supporting surface 121 edge contours.In the present embodiment, support surface 131 is the plane with end face 133 and is parallel to each other.Angle between guide face 132 and the support surface 131 is less than 90 degree.
When adopting 100 pairs of workpiece 110 of spraying masking structure to cover, first covering 120 is placed groove 112, fitted in the face that covers 123 of first covering 120 and the bottom surface 1121 of groove 112, and the edge of supporting surface 121 is concordant with the edge of bottom surface 1121.
Second covering 130 is positioned over first covering 120, and it is concordant with the edge of supporting surface 121 to make support surface 131 support the edge of supporting surface 121 and support surface 131.
Please consult Fig. 3 simultaneously, because the restriction of machining accuracy certainly exists small slit between first covering 120, second covering 130 and the groove 112.When quantity for spray was big, the coating in the slit that sidewall 1122 and side 122 form was subjected to the slit absorption affinity effect of supporting surface 121 and support surface 131 formation, has the slit that part coatings enters supporting surface 121 and support surface 131 formation.Guide face 132 is obliquely installed, the feasible coating that flows down along guide face 132 at first flow to the slit of supporting surface 121 and support surface 131 formation and is adsorbed, simultaneously the coating in the slit of the slit meeting absorbed portion inflow sidewall 1122 of supporting surface 121 and support surface 131 formation and side 122 formation.Can reduce or avoid like this coating from sidewall 1122 and side 122 slits that form and flow to bottom surface 1121, thereby improve coating quality.
See also Fig. 4, the spraying masking structure 200 of the embodiment of the invention two is identical substantially with the spraying masking structure of embodiment one 100, its difference is: guide face 232 is perpendicular to support surface 231, this moment, coating was not easy to flow down along guide face 232, reduced the coating in the slit that flows into sidewall 1122 and side 222 formation.
See also Fig. 5 and Fig. 6, the spraying masking structure 300 of the embodiment of the invention three is identical substantially with the spraying masking structure of embodiment one 100, its difference is: guide face 332 is perpendicular to support surface 331, and end face 333 comprises inclined plane 3331 and 3331 tabular surfaces 3332 that extend from the inclined plane.The angle of inclined plane 3331 and guide face 332 is less than 90 degree, thereby the accepting groove 334 that makes inclined plane 3331 and tabular surface 3332 form can be collected the coating that is sprayed into end face 333, avoids the coating of end face 333 to flow in the slit of sidewall 1122 and side 322 formation.
In addition, those skilled in the art also can do other variation in spirit of the present invention, and certainly, the variation that these are done according to spirit of the present invention all should be included in the present invention's scope required for protection.

Claims (10)

1. one kind sprays masking structure, be used for the non-spraying face of workpiece is covered, workpiece comprises the groove from spraying face depression, the bottom surface of described groove is the non-spraying face, described spraying masking structure comprises first covering, described first covering has a supporting surface and the cover face relative with supporting surface, described first covering can be contained in described groove and make described bottom surface of covering face towards described groove, it is characterized in that: described spraying masking structure also comprises second covering, described second covering has the support surface that cooperates with the supporting surface of first covering, and the contour shape at described supporting surface and edge, support surface is identical with the contour shape of the bottom edge of described groove.
2. spraying masking structure as claimed in claim 1 is characterized in that: described supporting surface and support surface are the plane.
3. spraying masking structure as claimed in claim 1 is characterized in that: described second covering also comprises the sidewall that extends from the support surface edge-perpendicular.
4. spraying masking structure as claimed in claim 1 is characterized in that: described second covering also comprises the guide face that extends from the edge, support surface, and the angle of described guide face and described support surface is less than 90 degree.
5. spraying masking structure as claimed in claim 1 is characterized in that: described second covering also comprises side and the end face relative with the support surface that extends from the edge, support surface, and described summit portion has been recessed to form accepting groove.
6. one kind sprays masking methods, and the non-spraying face when being used for Workpiece painting covers, and may further comprise the steps:
One workpiece is provided, and workpiece comprises that groove has the bottom surface from the groove of spraying face depression, and described bottom surface is the non-spraying face;
One spraying masking structure is provided, described spraying masking structure comprises first covering and second covering, described first covering has a supporting surface and the cover face relative with supporting surface, described first covering can be contained in described groove and make described bottom surface of covering face towards described groove, described second covering has the support surface that cooperates with supporting surface, and the contour shape at described supporting surface and edge, support surface is identical with the contour shape of described bottom edge;
First covering is positioned over the groove of workpiece, makes described bottom surface of covering face towards this groove, the supporting surface edge is concordant with the edge of groove floor;
Second covering is positioned on first covering, support surface and supporting surface are fitted, and the edge, support surface is concordant with the supporting surface edge.
7. spraying masking methods as claimed in claim 6 is characterized in that: described supporting surface and support surface are the plane.
8. spraying masking methods as claimed in claim 6 is characterized in that: described second covering also comprises the sidewall that extends from the support surface edge-perpendicular.
9. spraying masking methods as claimed in claim 6 is characterized in that: described second covering also comprises the guide face that extends from the edge, support surface, and the angle of described guide face and described support surface is less than 90 degree.
10. spraying masking methods as claimed in claim 6 is characterized in that: described second covering also comprises side and the end face relative with the support surface that extends from the edge, support surface, and described summit portion has been recessed to form accepting groove.
CN 200910310740 2009-12-01 2009-12-01 Spraying shielding structure and spraying shielding method using same Expired - Fee Related CN102078852B (en)

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103572342B (en) * 2012-07-23 2016-04-20 崇鼎科技有限公司 The screen method of topical surface treatment
CN106583183B (en) * 2016-12-01 2018-10-19 重庆雨帝建材有限公司 Application masking device
CN108097496B (en) * 2018-02-08 2020-06-05 重庆大江美利信压铸有限责任公司 Spraying covering tool
CN109731748A (en) * 2019-03-04 2019-05-10 无锡市兴恒嘉科技有限公司 A kind of Automated electronic product surface spray coating process

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030232139A1 (en) * 2002-06-13 2003-12-18 Detura Frank Anthony Shield and method for spraying coating on a surface
CN101215704A (en) * 2007-01-06 2008-07-09 苏州汉扬精密电子有限公司 Method for processing three-dimensional metal groove
CN201197977Y (en) * 2008-04-14 2009-02-25 徐钲鉴 Clip type spray paint shield mould

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3742254B2 (en) * 1999-08-09 2006-02-01 株式会社小糸製作所 Paint mask device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030232139A1 (en) * 2002-06-13 2003-12-18 Detura Frank Anthony Shield and method for spraying coating on a surface
CN101215704A (en) * 2007-01-06 2008-07-09 苏州汉扬精密电子有限公司 Method for processing three-dimensional metal groove
CN201197977Y (en) * 2008-04-14 2009-02-25 徐钲鉴 Clip type spray paint shield mould

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP特开2001-46929A 2001.02.20

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