CN2335343Y - Scratching-proof conveyer for printed-circuit board - Google Patents
Scratching-proof conveyer for printed-circuit board Download PDFInfo
- Publication number
- CN2335343Y CN2335343Y CN 98205625 CN98205625U CN2335343Y CN 2335343 Y CN2335343 Y CN 2335343Y CN 98205625 CN98205625 CN 98205625 CN 98205625 U CN98205625 U CN 98205625U CN 2335343 Y CN2335343 Y CN 2335343Y
- Authority
- CN
- China
- Prior art keywords
- circuit board
- roller
- sleeve
- printed circuit
- transmission shaft
- Prior art date
- 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.)
- Expired - Lifetime
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- Rollers For Roller Conveyors For Transfer (AREA)
Abstract
The utility model relates to a scratching-proof conveyer for a printed circuit board. A transmission shaft of the conveyer is penetrated with a plurality of sleeves and rollers in an interval mode and in a tight fit, and the inner edge of the rollers and the outer edge of the sleeves can drive with each other by frictional force, that the printed circuit board can cause the rollers to idle when the printed circuit board is pushed and pulled on the rollers in an abnormal speed, to avoid the circuitry scratch on the printed circuit board.
Description
The utility model provides a kind of anti-scratch conveying device of printed circuit board (PCB), especially refer to carrying in the process of printed circuit board (PCB) when conveying roller, printed circuit board (PCB) is promoted or is spurred and when speeding its translational speed, scrape the wounded so that roller forms idle running to avoid the circuit on the printed circuit board (PCB) caused.
On known, printed circuit board (PCB) is imported respectively and the exporter by the conveying device of being located at the forward and backward side of this chemistry processing procedure before chemical treatment with after handling.Printed circuit board (PCB) is to be stored in plate putting machine before the conveying device before entering, by plate putting machine printed circuit board (PCB) is put one by one to preceding conveying device and to be handled to be delivered to chemical processing procedure, printed circuit board (PCB) after chemical treatment is finished is then carried by the back conveying device and is gone out, and by be located at the back delivery device tip unloader received and kept, to treat the usefulness of subsequent treatment.Traditional conveying device is to be provided with plural number power transmission shaft parallel to each other at board, and each power transmission shaft all is installed with plural roller, makes the direct driving rolls rotation of power transmission shaft, and printed circuit board (PCB) promptly directly is positioned on those rollers and is transferred.Yet, because plate putting machine is to enter this preceding conveying device promoting fast when printed circuit board (PCB) initially puts down when the placement printed circuit board (PCB) is on preceding conveying device; And unloader is when collecting through printed circuit board (PCB) that chemical treatment is finished, is by unloader it to be pulled out harvesting fast when being transported to conveying device terminal when printed circuit board (PCB); But because of roller is to be fixed in power transmission shaft, it is rotated along with the rotation of power transmission shaft, so the speed that is pushed or pulls out when printed circuit board (PCB) is during greater than the rotary speed of roller, to cause very big frictional force between this printed circuit board (PCB) and the roller, and then may the formed circuit of scratch printed circuit board (PCB).Be to be to be to overcome above-mentioned printed circuit board (PCB) existing disappearance person when carrying with, the utility model.
Edge is; main purpose of the present utility model is providing a kind of anti-scratch conveying device of printed circuit board (PCB); be that roller is located at power transmission shaft with sliding matching mode; and this roller is to be driven by power transmission shaft with suitable frictional force; the speed that makes printed circuit board (PCB) be pushed or spur is during greater than the rotating speed of roller; overcome roller and made formation idle running between roller and power transmission shaft by the frictional force of transmission, do not scraped the wounded with the circuit on the protection printed circuit board (PCB).
Based on this, the anti-scratch conveying device of printed circuit board (PCB) provided by the utility model, be that power transmission shaft in conveying device is with interval mode and snugly be equipped with plural sleeve and roller, and make between roller inner edge and the sleeve outer rim by frictional force transmission each other, wherein, this sleeve is to form to have a big footpath Duan Yuyi path section that does not wait external diameter, two sides of this roller are respectively equipped with a flange, and between the path section external diameter of the centre bore of this roller and sleeve for being slidingly matched, between the through hole of sleeve and power transmission shaft then for closely cooperating, use printed circuit board (PCB) is promoted with abnormal speed or can cause roller idle running during pulling on roller, scrape the wounded to avoid the circuit on the printed circuit board (PCB).
Your juror other purposes of the present utility model and function can make more understand after cooperating following accompanying drawing to be described further, wherein:
Fig. 1 is for showing the three-dimensional exploded view of each element membership credentials of the utility model;
Fig. 2 is fixed in the section plan of power transmission shaft for the retainer of displayed map 1;
Part plan cutaway view when Fig. 3 is combined in power transmission shaft for the roller of displayed map 1 and sleeve;
The schematic top plan view of Fig. 4 when showing that the utility model is formed whole conveying device.
As Fig. 1 and shown in Figure 4, the anti-scratch conveying device of printed circuit board (PCB) provided by the utility model is to cooperate roller 3 to form one in order to carry the conveying device person of printed circuit board (PCB) on board with plural power transmission shaft 1.Wherein, these power transmission shaft 1 one ends are provided with a travelling gear 11, make this travelling gear 11 engageable in the motor gear that is located at the board appropriate location being driven, and this power transmission shaft 1 appropriate location is provided with a holder 14, this holder 14 is for being fixedly arranged on the board.This power transmission shaft 1 can be the compartment of terrain and wear plural sleeve 2 and roller 3; Wherein, this sleeve 2 is to form to have big footpath section 21 and one a path section 22 that does not wait external diameter, and these sleeve 2 set through hole 23 and 1 of power transmission shafts are for closely cooperating; Two sides of this roller 3 are respectively equipped with a flange 30, and between path section 22 external diameters of the centre bore 31 of this roller 3 and sleeve 2 for being slidingly matched.
As shown in Figures 2 and 3, the utility model is when combination, be to wear a retainer 12 earlier in the appropriate location of power transmission shaft 1, this retainer 12 is provided with the screw 121 that always passes to its centre bore, and a stop screw 13 is screwed into this screw 121 and props up power transmission shaft 1, so that retainer 12 is fixed on the precalculated position, and then sleeve 2 is set in power transmission shaft 1, make big footpath section 21 ora terminalis of sleeve 2 be contacted with retainer 12 ora terminalis, and the centre bore 31 of roller 3 is matched with the path section 22 of sleeve 2 again, make the ora terminalis of the big footpath section 21 of flange 30 ends of roller 3 sides and sleeve 2 reserve suitable clearance, again another sleeve 2 is arranged in power transmission shaft 1, make the ora terminalis of its big footpath section 21 be contacted with path section 22 ora terminalis of last sleeve 2, so be form ground combination at interval, behind the appropriate location, be arranged in power transmission shaft 1 with another retainer again and be contacted with outermost sleeve 2 ora terminalis, and this retainer is fixed in power transmission shaft 1 with stop screw, so that each roller 3 and sleeve 2 are fixed between the retainer 12 of power transmission shaft 1 two ends, thereby all can rotate to make sleeve 2 and roller 3 along with the rotation of power transmission shaft 1 by the frictional force of 31 of the centre bores of path section 22 outer rims of sleeve 2 and roller 3.
By the conveying device after above-mentioned each elements combination, when printed circuit board (PCB) is transferred thereon and run into enough big pulling force or thrust, this pulling force or thrust will overcome roller 3 and skid with sleeve 2 inside and outside intermarginal frictional force, make roller 3 form idle running in the path section 22 of sleeve 2, thereby roller 3 still keeps in touch and not relative friction with printed circuit board (PCB), avoids the circuit on the printed circuit board (PCB) to be subjected to roller 3 scratches according to this.
The above person only is in order to explain preferred embodiment of the present utility model; be not that attempt is done any pro forma restriction to the utility model according to this; be with; all have in that identical creation spirit is following do relevant any modification of the present utility model or change, all must be included in the category of the utility model intention protection.
Claims (2)
1. the anti-scratch conveying device of a printed circuit board (PCB), it is characterized in that, be to be at a power transmission shaft to be equipped with plural sleeve and roller at interval ordinatedly, make to be between sleeve and the power transmission shaft and closely cooperate, then be between sleeve and the roller and be slidingly matched, and make between the centre bore inner edge of roller and the sleeve outer rim by frictional force transmission each other.
2. according to the anti-scratch conveying device of the described printed circuit board (PCB) of claim 1, it is characterized in that, wherein, this sleeve is to form to have a big footpath Duan Yuyi path section that does not wait external diameter, two sides of this roller are respectively equipped with a flange, and between the path section external diameter of the centre bore of this roller and sleeve for being slidingly matched, between the through hole of sleeve and power transmission shaft then for closely cooperating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98205625 CN2335343Y (en) | 1998-06-03 | 1998-06-03 | Scratching-proof conveyer for printed-circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98205625 CN2335343Y (en) | 1998-06-03 | 1998-06-03 | Scratching-proof conveyer for printed-circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2335343Y true CN2335343Y (en) | 1999-08-25 |
Family
ID=33961969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98205625 Expired - Lifetime CN2335343Y (en) | 1998-06-03 | 1998-06-03 | Scratching-proof conveyer for printed-circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2335343Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101969744A (en) * | 2010-09-29 | 2011-02-09 | 苏州创峰光电科技有限公司 | Conveying method and device of sheet treatment process |
-
1998
- 1998-06-03 CN CN 98205625 patent/CN2335343Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101969744A (en) * | 2010-09-29 | 2011-02-09 | 苏州创峰光电科技有限公司 | Conveying method and device of sheet treatment process |
| CN101969744B (en) * | 2010-09-29 | 2012-11-21 | 苏州创峰光电科技有限公司 | Conveying method and device of sheet treatment process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: PATENTEE; FROM: YAZHI CO., LTD. TO: YAZHI TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Self Zhongli Industrial Zone Taiwan three road in Taoyuan County, Zhongli City, No. 3 Patentee after: Intech Machines Co., Ltd. Address before: Taiwan province Zhongli City South Road No. 4 Patentee before: Yazhi Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |