CN2914096Y - Circuit board negative testing machine with pinch roller structure - Google Patents
Circuit board negative testing machine with pinch roller structure Download PDFInfo
- Publication number
- CN2914096Y CN2914096Y CN 200620025815 CN200620025815U CN2914096Y CN 2914096 Y CN2914096 Y CN 2914096Y CN 200620025815 CN200620025815 CN 200620025815 CN 200620025815 U CN200620025815 U CN 200620025815U CN 2914096 Y CN2914096 Y CN 2914096Y
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- CN
- China
- Prior art keywords
- support
- pinch roller
- egative film
- circuit board
- roller structure
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a circuit board film tester with pinch roller structure. A bracket with detection device is equipped in the center of a platform, which utilizes a driving device to facilitate the back and forth displacement of a staddle. A non-light tight glass sheet is equipped on the staddle. A light source device is equipped corresponding with the lower part of the detection device on the platform. The bracket is provided with a pinch roller structure extending downward, which locks two supporting frames on both ends of the bracket respectively. Two corresponding long sliding chutes are provided on the bottom of the corresponding inner faces of two supporting frames. Two pinch roller rods are equipped inside two long sliding chutes and are overlaid on the surface of staddle glass sheet evenly, with up and down sliding movement influenced by the glass sheet raising and effective improvement of detection precision.
Description
One, technical field
The utility model relates to photosensitive circuit plate egative film inspection machine, relates in particular to a kind of egative film that makes and is flattened on the inspection machine glass sheet, avoids detection light source generation error, improves the circuit board egative film inspection machine with pressure roller structure of accuracy of detection.
Two, background technology
In recent years, development along with scientific-technical progress, and the development trend of electronics miniaturization influence, prior art adopts electric wire or signal wire as power supply or signal conduction, the operating type that connects, the needs of modern electronic technology development have not been met, the substitute is the printed circuit board (PCB) (PCB) that uses fixed mode to form, in order to adapt to the needs of various device and environment, printed circuit board (PCB) of a great variety, before circuit board manufacturing, need first protracting circuit plate design drawing and photosensitive circuit plate egative film, utilize photosensitive circuit plate egative film to be replicated on the printed circuit board (PCB) again, for cooperating tie point default on the circuit board and electronic component polyphone to weld, so the order of accuarcy of circuit layout directly affects the qualification rate of printed circuit board (PCB) on the photosensitive circuit plate egative film.
General photosensitive circuit plate egative film is after preparation is finished, need be through one scrutiny program, it is to utilize the egative film inspection machine to carry out electric circuit inspection, existing egative film inspection machine such as Fig. 1, shown in Figure 2, it is provided with a ㄇ font support 11 across both side edges in board 10 central authorities, this support 11 is provided with pick-up unit 15, and board 10 end faces are slidingly equipped with a ring-type bolster 30 that utilizes drive unit 20 front and back displacements, drive unit 20 is to be provided with a motor 21 with lead screw 22 in board 10, lead screw 22 is provided with the movable block 23 of a locking in bolster 30 bottom surfaces, board 10 both side edges are provided with the guide rail 25 that slides for bolster 30, corresponding two side rails 25 in bolster 30 bottom surfaces are provided with several slide blocks 31, make bolster 30 just can be subjected to drive unit 20 motors 21, the backward rotation effect, and pick-up unit 15 carries out the front and back displacement relatively, moreover, bolster 30 is provided with the glass sheet 35 of a printing opacity, and board 10 corresponding pick-up units 15 belows are provided with a light supply apparatus (not shown), like this, when egative film 40 is sticked on glass sheet 35, the principle that can utilize light source covered by circuit on the egative film 40 and can't printing opacity, but make the position of pick-up unit 15 checking circuits, and then the correctness of comparison circuit position.
But, because egative film 40 is to adopt soft thin material matter to make, when it is placed on the glass sheet 35, and when pasting the edge fixedly, egative film 40 central authorities form protuberantia shape (shown in Figure 2) easily, make the original position of circuit skew, like this, egative film 40 is when scanning detection by pick-up unit 15, error also takes place in the position of pick-up unit 15 sensitization thereupon, and then can be judged as bad product by mistake, perhaps bad product mistake is judged as excellent product, reduce the accurate degree that detects, even influence the qualification rate of printed circuit board (PCB).
In view of this, the utility model creator through constantly research and development, designs the utility model finally.
Three, utility model content
Fundamental purpose of the present utility model is to overcome the above-mentioned shortcoming that existing product exists, and a kind of circuit board egative film inspection machine with pressure roller structure is provided, and it can allow egative film smooth docile on glass sheet surface, effectively improves accuracy of detection.
The purpose of this utility model is realized by following technical scheme.
The utlity model has the circuit board egative film inspection machine of pressure roller structure, it is striden in board central authorities and is provided with the support with pick-up unit, board utilizes the front and back displacement of drive unit interlock bolster, and bolster is provided with the glass sheet of printing opacity, and the corresponding pick-up unit of board below is provided with a light supply apparatus; It is characterized in that, described support is provided with a pressure roller structure that extends downwards, this pressure roller structure is to lock respectively at the support two ends support is arranged, the bottom of the relative inner face of two stands is formed with corresponding long chute, be slidingly equipped with a pinch roller bar in the two long chutes, this pinch roller bar is flattened on the glass sheet surface of bolster, and is subjected to the high low action of glass sheet and slippage up and down.
Aforesaid circuit board egative film inspection machine with pressure roller structure, wherein the support two ends form the perforation of corresponding support, and the support opposing end surface is formed with corresponding screw, for utilizing the locking bolt to make support be fixed on the support two ends.
Aforesaid circuit board egative film inspection machine with pressure roller structure, wherein pinch roller spare two ends are provided with a bearing, and this bearing is slidingly installed in the long chute of support.
Aforesaid circuit board egative film inspection machine with pressure roller structure is shored the elastic component that a raising pinch roller bar suppressing action power is arranged between long chute inner top surface of its medium-height trestle and pinch roller bar two ends.
Aforesaid circuit board egative film inspection machine with pressure roller structure wherein is arranged with a lining on the pinch roller bar, and this lining to avoid the scratch egative film, can improve the effect of smooth egative film by soft and do not consume sticking material and make.
The beneficial effect that the utlity model has the circuit board egative film inspection machine of pressure roller structure is, these circuit board egative film inspection machine board central authorities stride and are provided with a support with pick-up unit, board utilizes a drive unit interlock bolster to carry out the front and back action, bolster is provided with the glass sheet of a printing opacity, and the corresponding pick-up unit of board below is provided with a light supply apparatus; Support is provided with a pressure roller structure that extends downwards, this pressure roller structure mainly is to lock respectively at the support two ends support is arranged, the bottom of the relative inner face of two stands is formed with corresponding long chute, be slidingly equipped with a pinch roller bar in the two long chutes, this pinch roller bar can be flattened on the glass sheet surface of bolster, and is subjected to the high low action of glass sheet surface and slippage up and down; Like this, allow the egative film inspection machine can utilize the pinch roller pole pair to answer egative film on the rolled glass sheet, make egative film smooth docile, effectively improve accuracy of detection, reduce the disqualification rate of product in glass sheet surface.
Four, description of drawings
Fig. 1 is existing egative film inspection machine perspective view.
Fig. 2 illustrates that for the synoptic diagram of existing egative film inspection machine detection egative film egative film can't be flattened on the state of glass sheet.
Fig. 3 is the utility model pressure roller structure perspective view, discloses the structure and the corresponding relation thereof of each critical piece.
Fig. 4 is the utility model one-piece construction synoptic diagram.
Fig. 5 is the utility model pressure roller structure operating state synoptic diagram.
Fig. 6 is another structural representation of the utility model pressure roller structure.
Major label description in figure: 10 boards, 11 supports, twelve punch, 13 locking bolts, 15 pick-up units, 20 drive units, 21 motors, 22 lead screws, 23 movable blocks, 25 guide rails, 30 bolsters, 31 slide blocks, 35 glass sheet, 40 egative films, 50 pressure roller structures, 51 supports, 52 long chutes, 53 bearings, 54 screws, 55 pinch roller bars, 56 linings, 57 elastic components.
Five, embodiment
Consult Fig. 3, shown in Figure 4, the utlity model has the circuit board egative film inspection machine of pressure roller structure, it is striden in board 10 central authorities and is provided with the ㄇ font support 11 with pick-up unit 15, board 10 utilizes the 30 front and back displacements of a drive unit 20 interlock bolsters, drive unit 20 is provided with a motor 21 with lead screw 22 in board 10, lead screw 22 is provided with a movable block 23 that is locked in bolster 30 bottom surfaces, board 10 both side edges are provided with the guide rail 25 that slides for bolster 30 in addition, corresponding two side rails 25 in bolster 30 bottom surfaces are provided with several slide blocks 31, make bolster 30 can be subjected to the effect of forward and reverse rotation of drive unit 20 motors 21 and relatively pick-up unit 15 front and back displacements, moreover, bolster 30 is provided with the glass sheet 35 of a printing opacity, and board 10 corresponding pick-up units 15 belows are provided with a light supply apparatus (not shown); The structure and the operating principle of above-mentioned relevant egative film inspection machine are same as the prior art, and non-technical characterictic of the present utility model, so, repeat no more.
Consult Fig. 3, Fig. 4, shown in Figure 5, pressure roller structure 50 of the present utility model is provided in a side of on existing circuit board egative film inspection machine board 10 supports 11, this pressure roller structure 50 mainly is the support 51 that locks respectively at support 11 two ends and have to extend downwards, support 11 two ends form the perforation 12 of corresponding support 51, support 51 opposing end surfaces are formed with corresponding screw 54 (shown in Figure 5), locking bolt 13 can be locked in the screw 54 of support 51 after passing support 11 perforation 12, and then with fixing support 11 two ends of support 51; In addition, the bottom of two stands 51 relative inner faces is formed with corresponding long chute 52, two long chutes 52 can be for being slidingly equipped with a bearing 53 respectively, two bearings 53 spans are provided with a pinch roller bar 55, this pinch roller bar 55 can be flattened on glass sheet 35 surfaces of board 10 bolsters 30, and is subjected to the high low action of glass sheet 35 and slippage up and down; And be arranged with a lining 56 on the pinch roller bar 55, this lining 56 is by soft and do not consume sticking material and make, and avoiding scratch egative film 40, and can improve the effect of smooth egative film 40.Constitute a circuit board egative film inspection machine with pressure roller structure that can make egative film be flattened on glass sheet surface and can improve accuracy in detection thus.
Consult Fig. 4, shown in Figure 5, the circuit board egative film inspection machine that the utlity model has pressure roller structure is when reality is used, its egative film 40 uses identical with existing product, earlier it is sticked on bolster 30 glass sheet 35 surfaces of board 10, and paste the location by adhesive tape at egative film 40 peripheries, be subjected to the driving of drive unit 20 when bolster 30, in pick-up unit 15 side translations in addition, when bolster 30 moves to pick-up unit 15, the lining 56 of pressure roller structure 50 pinch roller bars 55 can contact egative film 40 earlier, like this, pinch roller bar 55 can be subjected to the influence of egative film 40 height and produce a thrust that makes progress, because the bearing 53 at pinch roller bar 55 two ends is to be slidingly installed in the long chute 52 of support 51, so, pinch roller bar 55 support 51 upwards slippages relatively, utilize the weight of pinch roller bar 55 itself simultaneously, make its lining 56 keep fit-states, when bolster 30 is subjected to drive unit 20 effects to continue slippages with egative film 40 surfaces, just egative film 40 can be flattened fully, make egative film 40 smooth docile on glass sheet 35 surfaces; When egative film 40 when displacement enters light-source structure forward, its printing opacity and shading light part can be detected by the pick-up unit 15 of top accurately, unlikely generation bias phenomenon, and then improve the accuracy of whole detection, and reduce the erroneous judgement probability, reduce bad production rate.
Consult shown in Figure 6, be another embodiment of the present utility model, the bearing 53 at the inner top surface of the long chute 52 of its support 51 and pinch roller bar 55 two ends falls to shore an elastic component 57, can improve pinch roller bar 55 suppressing action power, guarantees that pinch roller bar 55 can flatten egative film 40.
From the above, the utility model efficiently solves the existing existing problem of egative film inspection machine, increase substantially the effect of its use, and in constructed field, do not see identical or akin technology or product public use are arranged, the important document that meets utility model novelty, creativity and practicality proposes patented claim in accordance with the law.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.
Claims (5)
1, a kind of circuit board egative film inspection machine with pressure roller structure, it is striden in board central authorities and is provided with the support with pick-up unit, board utilizes the front and back displacement of drive unit interlock bolster, and bolster is provided with the glass sheet of printing opacity, and the corresponding pick-up unit of board below is provided with a light supply apparatus; It is characterized in that, described support is provided with a pressure roller structure that extends downwards, this pressure roller structure is to lock respectively at the support two ends support is arranged, the bottom of the relative inner face of two stands is formed with corresponding long chute, be slidingly equipped with a pinch roller bar in the two long chutes, this pinch roller bar is flattened on the glass sheet surface of bolster.
2, the circuit board egative film inspection machine with pressure roller structure according to claim 1 is characterized in that described support two ends form the perforation of corresponding support, and the support opposing end surface is formed with corresponding screw, for utilizing the locking bolt to make support be fixed on the support two ends.
3, the circuit board egative film inspection machine with pressure roller structure according to claim 1 is characterized in that described pinch roller spare two ends are provided with a bearing, and this bearing is slidingly installed in the long chute of support.
4, according to claim 1 or 3 described circuit board egative film inspection machines, it is characterized in that, shore the elastic component that a raising pinch roller bar suppressing action power is arranged between long chute inner top surface of described support and pinch roller bar two ends with pressure roller structure.
5, the circuit board egative film inspection machine with pressure roller structure according to claim 1 and 2 is characterized in that, is arranged with a lining on the described pinch roller bar, and this lining is by soft and do not consume sticking material and make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620025815 CN2914096Y (en) | 2006-04-19 | 2006-04-19 | Circuit board negative testing machine with pinch roller structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620025815 CN2914096Y (en) | 2006-04-19 | 2006-04-19 | Circuit board negative testing machine with pinch roller structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2914096Y true CN2914096Y (en) | 2007-06-20 |
Family
ID=38168697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620025815 Expired - Fee Related CN2914096Y (en) | 2006-04-19 | 2006-04-19 | Circuit board negative testing machine with pinch roller structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2914096Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105836370A (en) * | 2016-03-18 | 2016-08-10 | 上海众思电子设备有限公司 | Conveying device used for double-sided detection of circuit board |
-
2006
- 2006-04-19 CN CN 200620025815 patent/CN2914096Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105836370A (en) * | 2016-03-18 | 2016-08-10 | 上海众思电子设备有限公司 | Conveying device used for double-sided detection of circuit board |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070620 Termination date: 20110419 |