CN103217432B - A kind of scanner device detected for SMT screen plate - Google Patents
A kind of scanner device detected for SMT screen plate Download PDFInfo
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- CN103217432B CN103217432B CN201210015890.4A CN201210015890A CN103217432B CN 103217432 B CN103217432 B CN 103217432B CN 201210015890 A CN201210015890 A CN 201210015890A CN 103217432 B CN103217432 B CN 103217432B
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- box cover
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Abstract
The invention discloses a kind of scanner device detected for SMT screen plate.This scanner device comprises scanner chassis assembly, scanner device, scanner cap assembly, lamp box cover plate.Scanner chassis assembly comprises panel beating chassis, reinforcement and the aluminum section bar frame as main supporting part.Scanner cap assembly comprises placement platform, and placement platform is set to length and width size is not less than 635 × 570mm, to hold large-sized web plate.
Description
Technical field
The present invention relates to a kind of SMT screen plate detection device, particularly relate to a kind of scanner device detected for SMT screen plate.
Background technology
Along with the development of IC industry and the raising of production technology, the miniaturization of printed circuit board (PCB) (PCB) is even miniaturizated to trend.For realizing this target, surface installation technique (SMT) is widely used in element pasted on surface (SMC) and the connection between surface mount device (SMD) and PCB.SMC/SMD without pin or disconnected lead-in wire without the need to circuit twist drill plug-in opening, but is directly welded on the surperficial assigned address of PCB by SMT.In SMT technological process, serigraphy directly affects the welding quality of SMT as first operation, and the machining precision of bite template and SMT screen plate is key wherein.The SMT screen plate that dimensional accuracy is high can ensure the accuracy of Solder-Paste Printing, effectively prevents from occurring the defects such as displacement, bridge joint in subsequent technique simultaneously.Therefore, be necessary very much to detect the quality of SMT screen plate, thus effectively reduce the probability occurring defect in subsequent technique.
The common deficiency of SMT screen plate has: perforate is excessive, perforate is too small, hole is biasedly moved, porous and less porous.For the defect of SMT screen plate defect especially porous less porous, the main mode adopting manual detection at present, namely uses the overlapping web plate printing opacity of tracing paper to check.This manual detection can check rapidly for the web plate that hole count is less, but for the web plate of hole count more (3 thousand to 5 thousand even more than 10,000), checks that difficulty will improve greatly.For example, be the web plate of 3 thousand to 5 thousand for hole count, professional needs 3-5 minute to complete inspection usually; For the web plate of hole count more than 10,000, then the longer time is needed even to need the detection repeatedly of 2-3 time just can complete.In addition, in manual detection process, technical quality and the skill level of testing staff are uneven, have impact on accuracy rate and detection speed to a certain extent, thus limit the raising of detection level.
Therefore, need a kind of can commercial application, the device of detection SMT screen plate that automatization level is high.
Summary of the invention
The present invention be intended to solve SMT screen plate detect in not high, the technical matters such as accuracy of detection is inadequate of detection speed.
For solving the problems of the technologies described above, the invention provides a kind of scanner device detected for SMT screen plate, comprise: scanner chassis assembly, scanner device, scanner cap assembly, lamp box cover plate, wherein scanner chassis assembly comprises panel beating chassis, reinforcement and the aluminum section bar frame as main supporting part, scanner cap assembly comprises placement platform, and placement platform is set to length and width size is not less than 635*570mm.
Scanner device provided by the present invention can scan SMT screen plate rapidly, and the clear picture scanned, undistorted, thus can detect the defect existed in SMT screen plate quickly and accurately.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Fig. 1 is the chassis view of scanner device according to an embodiment of the invention;
Fig. 2 is the top cover view of scanner device according to an embodiment of the invention; And
Fig. 3 is the sectional perspective schematic diagram of scanner device according to an embodiment of the invention.
Embodiment
A preferred embodiment of the present invention below will be discussed.But it will be appreciated by those skilled in the art that detailed description is not herein as limiting the scope of the invention.The present invention is also achieved by the modification of this embodiment or other equivalent way.
Fig. 1 illustrates the chassis assembly of scanner device according to an embodiment of the invention.Chassis assembly is positioned at the bottom of scanner device, plays a part to support whole scanner device.Chassis assembly comprises panel beating chassis, reinforcement and aluminum section bar frame.Wherein, aluminum section bar frame is main supporting part.In one example, base assemblies also comprises 4 level correction devices.Such as, these 4 level correction devices can be made up of 4 rubber adjustment pin cups.These 4 rubber adjustment pin cups, through reinforcement, are arranged on panel beating chassis, as shown in Figure 1.By regulating 4 rubber adjustment pin cups, the flatness of scanner device can be regulated.
Fig. 2 illustrates the cap assembly of scanner device according to an embodiment of the invention.Cap assembly is preferably panel beating bending part, thus the sealing realized scanner and protection.In one example, lid panel is respectively equipped with equally spaced scale mark in X-direction and Y-direction, to help accurately to locate SMT screen plate.In another example, lid panel can be provided with scan button, to facilitate manual scan operations.
Produce in the steel disc used, maximum length and width steel disc is of a size of 635*570mm, and the maximum machined steel chip size of laser cutting machine is 650*800mm.In order to enable web plate be placed on scanner flat board without barrier, the size of placement platform (also referred to as document board, being used for placing web plate to be scanned) can be increased so that maximum sized web plate can be held.In one example, the placement platform size of scanner device is preferably not less than 635*570mm, is more preferably not less than 650*800mm.In the examples described above, the placement platform that size increases can ensure that web plate fits tightly with scanner flat board all the time effectively.
The size of the lamp box cover plate of scanner device can be greater than the size of maximum web plate.Such as, the size of lamp box cover plate can be greater than 635*570mm, is preferably more than 650*800mm.In one example, the size of lamp box cover plate can cover placement platform completely.Lamp box cover plate can be removable cover.The self gravitation of removable cover can compress web plate, makes it to fit with scanner flat board all the time, and prevents scan lamp leakage of light, to obtain scan image more clearly.But, it will be appreciated by those skilled in the art that the inactive lamp box cover plate for hinge also can use in the present invention.
Claims (8)
1. the scanner device detected for SMT screen plate, comprise: scanner chassis assembly, scanner device, scanner cap assembly, lamp box cover plate, it is characterized in that, described scanner chassis assembly comprises panel beating chassis, reinforcement and the aluminum section bar frame as main supporting part, described scanner cap assembly comprises placement platform, described placement platform is set to length and width size and is not less than 635*570mm, to hold large-sized web plate.
2. scanner device as claimed in claim 1, it is characterized in that, described scanner chassis assembly comprises 4 level correction devices further.
3. scanner device as claimed in claim 2, is characterized in that, described 4 level correction devices comprise 4 rubber adjustment pin cups, and described 4 rubber adjustment pin cup is arranged on described panel beating chassis through described reinforcement.
4. scanner device as claimed in claim 1, it is characterized in that, described scanner cap assembly is panel beating bending part.
5. scanner device as claimed in claim 4, it is characterized in that, the lid panel of described scanner cap assembly can be respectively equipped with equally spaced scale mark in the x-direction and the z-direction.
6. scanner device as claimed in claim 1, it is characterized in that, described lamp box cover plate is set to length and width size and is greater than 635*570mm.
7. scanner device as claimed in claim 6, it is characterized in that, the size of described lamp box cover plate is enough to cover described placement platform completely.
8. scanner device as claimed in claims 6 or 7, it is characterized in that, described lamp box cover plate is removable cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210015890.4A CN103217432B (en) | 2012-01-19 | 2012-01-19 | A kind of scanner device detected for SMT screen plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210015890.4A CN103217432B (en) | 2012-01-19 | 2012-01-19 | A kind of scanner device detected for SMT screen plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103217432A CN103217432A (en) | 2013-07-24 |
| CN103217432B true CN103217432B (en) | 2016-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210015890.4A Active CN103217432B (en) | 2012-01-19 | 2012-01-19 | A kind of scanner device detected for SMT screen plate |
Country Status (1)
| Country | Link |
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| CN (1) | CN103217432B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000196831A (en) * | 1998-12-07 | 2000-07-14 | Syscan Inc | Improved flat-bed scanner |
| US7522318B2 (en) * | 2004-01-29 | 2009-04-21 | Cal-Comp Electronics & Communications Company Limited | Scanner optical module |
| CN1710573A (en) * | 2004-06-19 | 2005-12-21 | 鸿富锦精密工业（深圳）有限公司 | SMT anti-leakage scanning system and method |
| JP2007194820A (en) * | 2006-01-18 | 2007-08-02 | Brother Ind Ltd | Image sensor, support member, image sensor unit, and image reading apparatus |
| CN101193184A (en) * | 2006-11-21 | 2008-06-04 | 明基电通信息技术有限公司 | Pressing mechanism and its applied scanning device |
| KR101398932B1 (en) * | 2007-04-16 | 2014-05-26 | 삼성전자주식회사 | Image formimg apparatus |
| CN202092966U (en) * | 2011-03-11 | 2011-12-28 | 深圳市信恳实业有限公司 | Automatic hole plugging checking instrument for SMT (surface mounting technology) steel mesh |
| CN202512070U (en) * | 2012-01-19 | 2012-10-31 | 昆山思拓机器有限公司 | Scanner for SMT (surface mount technology) screen detection |
-
2012
- 2012-01-19 CN CN201210015890.4A patent/CN103217432B/en active Active
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| Publication number | Publication date |
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| CN103217432A (en) | 2013-07-24 |
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