CN204503443U - Roller coat roller and roll coating apparatus - Google Patents
Roller coat roller and roll coating apparatus Download PDFInfo
- Publication number
- CN204503443U CN204503443U CN201420872632.2U CN201420872632U CN204503443U CN 204503443 U CN204503443 U CN 204503443U CN 201420872632 U CN201420872632 U CN 201420872632U CN 204503443 U CN204503443 U CN 204503443U
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- China
- Prior art keywords
- roller
- painting part
- printed board
- bearing
- coat
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- Expired - Fee Related
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Abstract
The utility model provides a kind of roller coat roller and roll coating apparatus.This roller coat roller comprises roller bearing and painting part, described painting part is wrapped in the outside of described roller bearing, and the two ends of described roller bearing protrude from described painting part, described painting part is provided with external screw thread, and there is predeterminable range between described externally threaded two ends and the end of described painting part, avoid printed board occurring poly-oily phenomenon to reach, save ink, improve the quality of printed board, the utilization rate of printed board can also be provided simultaneously.
Description
Technical field
The utility model relates to coating equipment field, particularly relates to the roller coat roller for printing printed circuit board, and the roll coating apparatus containing this coating roller.
Background technology
Along with the direction of electronic product to miniaturization, densification, high integration and multifunction develops rapidly, also more and more higher to printed wiring board requirement, by common pcb board to high-accuracy encapsulating carrier plate, printed circuit board is also towards miniaturization, densification, highly integrated development.Not only more and more higher to the requirement of technique, also more and more higher to the requirement of production equipment, as long as there is any one condition not reach specification requirement, the encapsulating carrier plate of quality guarantee just cannot be produced.
Roller is owing to directly contacting with substrate, and the coating method of roller has directly had influence on the quality of substrate, and the coating effect of roller directly has influence on the flatness in plate face, and planarization, the use of roller will be more and more extensive.
In current industry, the roller of roller coat generally adopts roller whole encapsulate, and whole of roller is all a flight pitch simultaneously.But this kind of roller roller leakage of oil when printed circuit board can cause substrate easily to produce poly-oily phenomenon, and when drying-plate, the poly-oil part of substrate may occur that substrate and fixture stick together by ink, thus causes substrate to be scrapped.Also have the utilization rate on the one hand exactly in order to improve substrate, the poly-oily part major part that general substrate occurs is positioned at the graphics field of substrate, thus causes the poly-oil in substrate local to be scrapped.
Utility model content
Based on this, be necessary the problem that can there is poly-oil for existing roller when printing printed board, the roller coat roller providing a kind of and can facilitate, effectively avoid that poly-oily phenomenon occurs in process of production, improve printed board quality, and the roll coating apparatus containing this roller coat roller.Above-mentioned purpose is achieved through the following technical solutions:
A kind of roller coat roller, comprise roller bearing and painting part, described painting part is wrapped in the outside of described roller bearing, and the two ends of described roller bearing protrude from described painting part, described painting part is provided with external screw thread, and there is predeterminable range between described externally threaded two ends and the end of described painting part.
Wherein in an embodiment, the predeterminable range between described externally threaded two ends and the end of described painting part is 1mm ~ 5mm.
Wherein in an embodiment, described externally threaded pitch increases gradually from the central region of described painting part to the two ends of described painting part.
Wherein in an embodiment, the described externally threaded pitch near the end of described painting part is 1.2 ~ 3 times of the externally threaded pitch of the central region of described painting part.
Wherein in an embodiment, described painting part and described roller bearing are interference fit.
Wherein in an embodiment, the externally threaded tooth form on described painting part is zigzag, rectangle or trapezoidal.
Wherein in an embodiment, described roller bearing is made up of the stainless steel of acid and alkali-resistance, organic solvent-resistant.
Wherein in an embodiment, described painting part is made up of the rubber of acid and alkali-resistance, organic solvent-resistant.
Also relate to a kind of roll coating apparatus, comprise the roller coat roller as described in above-mentioned arbitrary technical characteristic.
Wherein in an embodiment, described roll coating apparatus also comprises bearing, and described roller coat roller is arranged on described roll coating apparatus by described bearing.
The beneficial effects of the utility model are:
Roller coat roller of the present utility model and roll coating apparatus, structural design advantages of simple, when printing printed board, ink flows in the external screw thread of painting part, painting part contacts with printed board, ink in external screw thread contacts with printed board formation figure, there are the two ends of predeterminable range between externally threaded two ends and the end of painting part simultaneously, externally threaded end is not touched with the side edge of painting part end, poly-oily phenomenon can not be there is in the end of painting part, ink in external screw thread just can not flow to roller bearing from the end of painting part, and then just can prevent ink from flowing in printed board, poly-oily phenomenon can be avoided like this, save ink, improve the quality of printed board, the utilization rate of printed board can also be provided simultaneously.
Accompanying drawing explanation
Fig. 1 is the front sectional view of the roller coat roller of the utility model one embodiment;
Fig. 2 is the left view of the roller coat roller shown in Fig. 1;
Fig. 3 is the top view of the roller coat roller shown in Fig. 1;
Wherein:
100-roller coat roller;
110-roller bearing;
120-painting part; 121-external screw thread.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, by the following examples, and by reference to the accompanying drawings, roller coat roller of the present utility model and roll coating apparatus are further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
See Fig. 1 to Fig. 3, the roller coat roller 100 of the utility model one embodiment, comprise roller bearing 110 and painting part 120, painting part 120 is wrapped in the outside of roller bearing 110, and the two ends of roller bearing 110 protrude from painting part 120, so that the installation of roller coat roller 100 of the present utility model.Painting part 120 is provided with external screw thread 121, and there is predeterminable range h between the end of the two ends of external screw thread 121 and painting part 120.Roller coat roller 100 is used to printing printed board, by roller coat roller 100, the circuit diagram designed is printed onto in printed board, and the external screw thread 121 on painting part 120 is used to ink shown when placement is printed, meanwhile, the external screw thread 121 on painting part 120 can be convenient to the conveying of ink.When printing printed board, roller coat roller 100 rotates, and drive the painting part 120 on it to rotate, painting part 120 can contact with printed board.When painting part 120 contacts with printed board, the ink in the external screw thread 121 on painting part 120 is just printed onto in printed board, and roller coat roller 100 rotates continuously, and ink forms figure in printed board.
Predeterminable range h is there is between the two ends of external screw thread 121 and the end of painting part 120, namely the height of external screw thread 121 is less than the length of painting part 120, that is the end of external screw thread 121 is not touched with the side edge of painting part 120 end, and the two ends of painting part 120 are not communicated with by external screw thread 121.When printing printed board, ink in external screw thread 121 can not flow to roller bearing 110 from the end of painting part 120, and then can prevent ink from flowing in printed board from roller bearing 110, would not make like this printed board to occur poly-oily phenomenon, ensure the printing effect of printed board, improve the quality of printed board printing, reduce the generation that phenomenon is scrapped in printed board.
At present, roller roller leakage of oil when printed circuit board can cause printed board easily to produce poly-oily phenomenon, and when drying-plate, the poly-oil part of printed board may occur that the fixture that printed board and drying-plate adopt sticks together by ink, thus causes printed board to be scrapped.Meanwhile, in order to improve the utilization rate of printed board, the poly-oily part major part that general substrate occurs is positioned at the graphics field of substrate, thus causes the poly-oil in substrate local to be scrapped.Predeterminable range h is there is between the two ends of the external screw thread 121 of roller coat roller 100 of the present utility model and the end of painting part 120, make the ink in external screw thread 121 can not flow to roller bearing 110 from the end of painting part 120, and then avoid printed board occurring poly-oily phenomenon, like this when drying-plate, would not there is bonding phenomenon in the fixture that printed board and drying-plate adopt, ensure the printing quality of printed board, improves the utilization rate of printed board, cost is produced in saving, increases production capacity.
As a kind of embodiment, predeterminable range h is 1mm ~ 5mm, and the predeterminable range h namely between the two ends of external screw thread 121 and the end of painting part 120 is 1mm ~ 5mm.When printing printed board, stop that ink flows to roller bearing 110 from the end of painting part 120 by predeterminable range h, and then just do not have ink to flow in printed board from roller bearing 110, this makes it possible to avoid printed board to occur poly-oily phenomenon, save ink, can also prevent printed board from scrapping simultaneously.In the present embodiment, the predeterminable range h between the two ends of external screw thread 121 and the end of painting part 120 is 2mm.
As a kind of embodiment, the pitch of external screw thread 121 increases gradually from the central region of painting part 120 to the two ends of painting part 120.Namely the two ends of pitch from the center of painting part 120 to painting part 120 of external screw thread 121 increase gradually, that is the pitch of the external screw thread 121 of the end of painting part 120 increases, when such employing roller coat roller 100 of the present utility model prints printed board, can avoid further printed board occurring poly-oily phenomenon.Printed board does not exist the part of poly-oil, accordingly when drying-plate, printed board is bonded on the fixture that drying-plate adopts by the ink that also just there is not poly-oil in printed board, effectively prevents printed board from occurring scrapping because gathering oily phenomenon.Meanwhile, printed board does not exist the part of poly-oil, so just better can utilize the area of printed board yet, improve the utilization rate of printed board, the active graphical area in printed board is strengthened, virtually adds production capacity.Further, the pitch near the external screw thread 121 of the end of painting part 120 is 1.2 ~ 3 times of the pitch of the external screw thread 121 of the central region of painting part 120, and roller coat roller 100 prevents the best results of poly-oily phenomenon when printing printed board.
As a kind of embodiment, painting part 120 and roller bearing 110 are interference fit.Roller coat roller 100 print print version time, roller bearing 110 drives the painting part 120 on it together to rotate, and to improve the printing effect of roller coat roller 100, so just require that fit system between painting part 120 and roller bearing 110 is for closely cooperating.When painting part 120 and roller bearing 110 are matched in clearance, there is gap between painting part 120 and roller bearing 110, roller bearing 110 rotates and the painting part 120 on it can not be driven together to rotate, and affects the printing effect of roller coat roller 100.Therefore, painting part 120 and roller bearing 110 are interference fit, to improve the printing effect of roller coat roller 100.
As a kind of embodiment, the tooth form of the external screw thread 121 on painting part 120 is zigzag, rectangle or trapezoidal.In order to make roller coat roller 100 of the present utility model when printing printed board, external screw thread 121 on painting part 120 can increase rubbing between painting part 120 and printed board and examine coefficient, make ink can even print in printed board, the tooth form of the external screw thread 121 on painting part 120 should be zigzag, rectangle or the shape such as trapezoidal.In the present embodiment, the tooth form of the external screw thread 121 on painting part 120 is zigzag, the cross sectional shape of the tooth form of external screw thread 121 is V-type, and the tooth form of external screw thread 121 adopts V-type, and rubbing between painting part 120 and printed board examines the even print that coefficient comparatively can be applicable to ink.
As a kind of embodiment, roller bearing 110 is made up of the stainless steel of acid and alkali-resistance, organic solvent-resistant.Roller coat roller 100 of the present utility model is printed printed board and is realized by roller bearing 110 rotation, often contact with the soda acid such as ink or cleaning agent solvent or organic solvent when roller bearing 110 rolls, therefore roller bearing 110 is needed can to have the characteristic of acid and alkali-resistance, organic solvent-resistant, roller bearing 110 reciprocating rotation, needs roller bearing 110 to have certain requirement of strength simultaneously.Therefore roller bearing 110 of the present utility model needs to be made up of the stainless steel of acid and alkali-resistance, organic solvent-resistant.Further, painting part 120 is made up of the rubber of acid and alkali-resistance, organic solvent-resistant.When printing printed board, roller bearing 110 drives the painting part 120 on it together to rotate, painting part 120 needs often to contact printed board, in order to prevent damaging printed board, painting part 120 needs to be supported by soft material, and in order to improve the service life of painting part 120, painting part 120 also needs certain hardness.Meanwhile, often contact with the soda acid such as ink or cleaning agent solvent or organic solvent when roller bearing 110 rolls, therefore need roller bearing 110 can have the characteristic of acid and alkali-resistance, organic solvent-resistant.Therefore painting part 120 of the present utility model needs to be made up of the rubber of acid and alkali-resistance, organic solvent-resistant.
Roll coating apparatus of the present utility model, comprise the roller coat roller 100 as described in above-mentioned arbitrary technical characteristic, avoid occurring poly-oily phenomenon when printing printed board by roller coat roller 100, the fixture thick line bonding phenomenon that simultaneously can also prevent printed board and drying-plate from adopting when drying-plate, improve the quality of printed board, increase the utilization rate of printed board, improve production capacity.Further, roll coating apparatus also comprises bearing, and roller coat roller 100 is arranged on roll coating apparatus by bearing.Bearing is arranged on the projection at roller bearing 110 two ends respectively, be arranged on again on roll coating apparatus, roll coating apparatus is when controlling roller coat roller 100 and rotating, bearing can drive the roller bearing 110 of roller coat roller 100 to rotate, ensure roller coat roller 100 stable movement, there will not be oscillation phenomenon, ensure the quality of printed board.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. a roller coat roller, it is characterized in that, comprise roller bearing and painting part, described painting part is wrapped in the outside of described roller bearing, and the two ends of described roller bearing protrude from described painting part, described painting part is provided with external screw thread, and there is predeterminable range between described externally threaded two ends and the end of described painting part.
2. roller coat roller according to claim 1, is characterized in that, the predeterminable range between described externally threaded two ends and the end of described painting part is 1mm ~ 5mm.
3. roller coat roller according to claim 2, is characterized in that, described externally threaded pitch increases gradually from the central region of described painting part to the two ends of described painting part.
4. roller coat roller according to claim 3, is characterized in that, the described externally threaded pitch near the end of described painting part is 1.2 ~ 3 times of the externally threaded pitch of the central region of described painting part.
5. roller coat roller according to claim 1, is characterized in that, described painting part and described roller bearing are interference fit.
6. roller coat roller according to claim 1, is characterized in that, the externally threaded tooth form on described painting part is zigzag, rectangle or trapezoidal.
7. the roller coat roller according to any one of claim 1 to 6, is characterized in that, described roller bearing is made up of the stainless steel of acid and alkali-resistance, organic solvent-resistant.
8. the roller coat roller according to any one of claim 1 to 6, is characterized in that, described painting part is made up of the rubber of acid and alkali-resistance, organic solvent-resistant.
9. a roll coating apparatus, is characterized in that, comprises the roller coat roller as described in any one of claim 1 to 8.
10. roll coating apparatus according to claim 9, is characterized in that, described roll coating apparatus also comprises bearing, and described roller coat roller is arranged on described roll coating apparatus by described bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420872632.2U CN204503443U (en) | 2014-12-31 | 2014-12-31 | Roller coat roller and roll coating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420872632.2U CN204503443U (en) | 2014-12-31 | 2014-12-31 | Roller coat roller and roll coating apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204503443U true CN204503443U (en) | 2015-07-29 |
Family
ID=53701445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420872632.2U Expired - Fee Related CN204503443U (en) | 2014-12-31 | 2014-12-31 | Roller coat roller and roll coating apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204503443U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108842513A (en) * | 2018-06-19 | 2018-11-20 | 武汉创新欧派科技股份有限公司 | A kind of moisture retention paper roll coating system |
-
2014
- 2014-12-31 CN CN201420872632.2U patent/CN204503443U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108842513A (en) * | 2018-06-19 | 2018-11-20 | 武汉创新欧派科技股份有限公司 | A kind of moisture retention paper roll coating system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20201231 |
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| CF01 | Termination of patent right due to non-payment of annual fee |