CN2584409Y - Ink-doctor of gravure colour printing machine - Google Patents
Ink-doctor of gravure colour printing machine Download PDFInfo
- Publication number
- CN2584409Y CN2584409Y CN 02249428 CN02249428U CN2584409Y CN 2584409 Y CN2584409 Y CN 2584409Y CN 02249428 CN02249428 CN 02249428 CN 02249428 U CN02249428 U CN 02249428U CN 2584409 Y CN2584409 Y CN 2584409Y
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- bearing
- doctor
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- shaft
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Abstract
The utility model discloses an ink doctor of a gravure color printing machine. The utility model comprises a doctor blade, a doctor blade carrier, a supporting rod, a moving supporting shaft, a supporting element for supporting the moving supporting shaft and a crank shaft. The doctor blade is installed on the doctor blade carrier which is installed on the moving supporting shaft. Then, the moving supporting shaft can pass through the supporting element so as to be connected with the supporting rod. Simultaneously, the supporting rod is connected with the crank shaft. The utility model is characterized in that the supporting element is a linear bearing. The utility model can use the linear bearing to be instead of the original powder metallurgy bearing. The contact of a shaft neck of the supporting shaft and rolling balls of the linear bearing is instead of the face-to-face contact of the original shaft neck of the supporting shaft and the original powder metallurgy bearing. The rolling friction can be instead of the original break out friction. Thus, the shaft neck and the bearing can work under the condition of a smaller matched gap, so that moving smoothness can be enhanced; coefficient of friction can be lowered; transmission efficiency can be enhanced. Moreover, the quality of the ink doctor can be enhanced so as to ensure the letter quality of the print. The utility model has the characteristics of high durability and high reliability. The utility model can meet using requirements.
Description
Technical field the utility model relates to the intaglio printing machine, more specifically to the device for ink of scraping of intaglio printing machine.
The original device for ink of scraping of background technology intaglio printing machine comprises: doctor, the wiping knife rest, cramp bar, mobile bearing axis, be used to support the supporting member of mobile bearing axis, bent axle, doctor is installed on the wiping knife rest, the wiping knife rest is installed on the mobile back shaft, mobile back shaft passes supporting member and connects with cramp bar, cramp bar connects with bent axle, mobile bearing axis and supporting member are formed moving sets, and drive by the bent axle in the transmission case, it is bent axle, support bar, support shifting axle, supporting member is formed he Moving Leader Mechanism, and the rotation of curve is converted into rectilinear motion---and be the reciprocating motion of doctor.
And bent axle is passed to the direction of the power P of mobile bearing axis end is that rotation with bent axle changes, power P can be decomposed into push-and-pull wiping knife rest component F and perpendicular to doctor the power N of moving direction; And because the effect of component N, doctor has produced the phenomenon of pendulum, hunting frequency is identical with the reciprocating frequency of doctor altogether, and its amplitude of fluctuation depends on the size of the fit clearance δ between mobile bearing axis and supporting member, if gap delta influences the wiping quality of doctor than senior general.
Supporting member has adopted the powder metallurgy sliding bearing in the original structure, and the powdered metallurgical material quality is soft, and bearing capacity is lower, and in use, its surface very easily is out of shape and conquassation.While is the oil-containing micropore in use, easily stop up because of factors such as printing ink splash, its lubrication state is degenerated, the wearing and tearing aggravation, make this bigger bearing fit clearance (about 0.2mm) can increase to bigger (the actual measurement radial direction is often greater than 0.6mm) in short time, thereby the dancing of doctor is aggravated, had a strong impact on the wiping quality of doctor.If to often change sliding bearing then not only maintenance cost can be greatly improved, shut down changing can influence production efficiency again.
Summary of the invention the utility model purpose provides a kind of device for ink of scraping of intaglio printing machine, it can reduce the fit clearance of mobile bearing axis and supporting member, reduce coefficient of friction, scrape the stationarity that ink system moves thereby improve, increase the wiping system reliability, improve the wiping quality, guarantee the printing quality of printed matter.
The utility model comprises doctor, wiping knife rest, cramp bar, mobile bearing axis, the supporting member that is used to support mobile bearing axis, bent axle, doctor is installed on the wiping knife rest, the wiping knife rest is installed on the mobile back shaft, mobile back shaft passes supporting member and connects with cramp bar, cramp bar connects with bent axle, it is characterized in that: supporting member is a linear bearing.
In order to reduce mobile bearing axis axle journal and linear bearing fit clearance, above-mentioned mobile back shaft axle journal and linear bearing fit clearance are determined in the end-play scope of linear bearing.
The utility model adopts linear bearing to substitute former sintered metal powder bearing, the back shaft axle journal contacts with the ball of linear bearing and has substituted original back shaft axle journal and contact with face with the face of former sintered metal powder bearing, rolling friction has substituted original sliding friction, axle journal and bearing are worked under less fit clearance, caught robust motion high, reduced coefficient of friction, improved transmission efficiency, thereby improved the wiping quality, guaranteed the printing quality of printed matter.And have durable, reliable characteristics, satisfied instructions for use.
Description of drawings Fig. 1 is the utility model structural representation.
Fig. 2 is original supporting member structural representation.
Fig. 3 is a supporting member structural representation of the present utility model.
Fig. 4 is force analysis figure of the present utility model.
Fig. 5 is a force analysis curve map of the present utility model.
Fig. 6 is bolster axle journal of the present utility model and bearing fit clearance schematic diagram.
Among the figure: 1, forme drum, 2, doctor, 3, the wiping knife rest, 4, mobile bearing axis, 5, supporting member, 6, cramp bar, 7, bent axle, 8, bearing support, 9, sintered metal powder bearing, 10, linear bearing, 11, ball.
The utility model is described in further detail below in conjunction with the drawings and specific embodiments for the specific embodiment.
In Fig. 1, Fig. 3, as can be seen, scrape device for ink and comprise doctor 2, wiping knife rest 3, mobile bearing axis 4, the supporting member 5 that is used to support mobile bearing axis, cramp bar 6, bent axle 7, doctor 2 cutting edges overlap with the plain line on forme drum 1 surface, and doctor 2 is installed on the wiping knife rest 3; Wiping knife rest 3 is installed on the mobile back shaft 4; Supporting member 5 is a linear bearing, mobile back shaft 4 passes linear bearing 10 and connects with cramp bar 6, mobile back shaft 4 axle journals contact with the ball 11 of linear bearing 10, and mobile back shaft 4 axle journals and linear bearing 10 fit clearances are determined in the end-play scope of linear bearing 10; Cramp bar 6 connects with bent axle 7; Supporting member 5 (being linear bearing 10) is installed on the bearing support 8.
In Fig. 2, supporting member is a sintered metal powder bearing 9, and sintered metal powder bearing 9 is installed on the bearing support 8, and mobile back shaft 4 passes sintered metal powder bearing 9 and connects with cramp bar 6.
Below principle of the present utility model is made brief analysis.
In Fig. 4, as can be seen, scraping device for ink power is to be passed to mobile bearing axis 4 by bent axle in the main transmission box 7 by support bar 6, the power P direction that acts on mobile bearing axis 4 ends periodically changes with the rotation of bent axle, power P can be decomposed into the component F of push-and-pull wiping knife rest and perpendicular to the component N of doctor moving direction, in Fig. 5, as can be seen, the change curve of component F and component N.
Scraping device for ink realizes toward returning moving under the effect of power F, the effect of power N then makes scrapes device for ink and has produced dancing, its swing result makes doctor 2 cutting edges not parallel with plate cylinder 1 axis, that is doctor 2 cutting edges not exclusively overlap with plate cylinder 1 surperficial plain line, but part contacts with plate cylinder 1 surface, and have partial-length cutting edge and forme surface to produce certain distance, so promptly cause wiping uneven or scrape and phenomenon such as do not earn, thereby influenced printing quality.
The doctor amplitude of fluctuation depends on the size one of mobile bearing axis axle journal and supporting member fit clearance.In Fig. 6, bolster 4 axle journals and supporting member 5 fit clearances as can be seen, dotted line is the signal of swing situation.Because the length of plate cylinder 1 is the bent distance of boy's two supporting members 5 (bearing) slightly, so the oscillating quantity of doctor 2 is about 2 times of mobile bearing axis 4 axle journals and supporting member 5 fit clearances.
It is 0.06-0.15mm and because technological problems that original structure adopts powder metallurgy sliding bearing 9 to require fit clearance, the factors such as wearing and tearing that powder metallurgy material modification, insufficient lubrication cause, after often using in the short time, the fit clearance of axle journal and sliding bearing can reach about 0.6m, thereby cause doctor blade part length range and plate cylinder surface to produce certain clearance, influenced the wiping quality.
After adopting linear bearing as support component, this structure is had the following advantages:
(1) bulk strength of linear bearing, rigidity are better, and bearing capacity Height, life in application is long, greatly reduces maintenance cost, has shortened maintenance adjustment The shutdown that causes, thus production efficiency improved.
(2) fit clearance of linear bearing and axle journal is that 0.01mm is only for former 1/60 of structure has improved the whole accuracy of manufacture of scraping ink system, makes doctor Traveling comfort improves greatly.
(3) the linear bearing coefficient of friction is littler, and transmission efficiency is higher, makes and scrapes The movement of ink knife more Add flexibility and reliability.
(4) linear bearing is lubricated convenient, safeguards simply, has reduced maintenance cost largely.
After adopting linear bearing as support component, the extremely small dancing of doctor that causes because of axle journal and linear bearing fit clearance, can eliminate the gap of itself and plate cylinder fully by the compensation of the strain of doctor itself, assurance wiping matter is put, thereby guarantees the printing quality of intaglio printing machine.
Claims (2)
1, a kind of intaglio printing machine scrapes device for ink, comprise doctor, wiping knife rest, cramp bar, mobile bearing axis, the supporting member that is used to support mobile bearing axis, bent axle, doctor is installed on the wiping knife rest, the wiping knife rest is installed on the mobile back shaft, mobile back shaft passes supporting member and connects with cramp bar, cramp bar connects with bent axle, it is characterized in that: supporting member is a linear bearing.
2, a kind of intaglio printing machine according to claim 1 scrape device for ink, it is characterized in that: above-mentioned mobile back shaft axle journal and linear bearing fit clearance are determined in the end-play scope of linear bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02249428 CN2584409Y (en) | 2002-11-06 | 2002-11-06 | Ink-doctor of gravure colour printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02249428 CN2584409Y (en) | 2002-11-06 | 2002-11-06 | Ink-doctor of gravure colour printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2584409Y true CN2584409Y (en) | 2003-11-05 |
Family
ID=33719861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02249428 Expired - Fee Related CN2584409Y (en) | 2002-11-06 | 2002-11-06 | Ink-doctor of gravure colour printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2584409Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102602139A (en) * | 2012-02-27 | 2012-07-25 | 盐城市远华机械有限公司 | Film transfer scraper device |
| CN103331990A (en) * | 2013-07-16 | 2013-10-02 | 大理美登印务有限公司 | Improved type doctor blade locking and adjusting device for intaglio printing press |
| CN106240140A (en) * | 2016-07-28 | 2016-12-21 | 广东汕樟轻工机械股份有限公司 | Satellite-type eight color flexographic printing unit |
| CN106541700A (en) * | 2016-12-12 | 2017-03-29 | 泉州市西格玛智能工业机械有限公司 | A kind of cloth prints the print roller scraper mechanism of streamline |
| CN106696458A (en) * | 2016-12-12 | 2017-05-24 | 泉州市西格玛智能工业机械有限公司 | Printing part of cloth printing assembly line |
| CN107187197A (en) * | 2017-07-11 | 2017-09-22 | 佛山市正略信息科技有限公司 | A kind of printing press scraper device of peripheral hardware formula |
-
2002
- 2002-11-06 CN CN 02249428 patent/CN2584409Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102602139A (en) * | 2012-02-27 | 2012-07-25 | 盐城市远华机械有限公司 | Film transfer scraper device |
| CN103331990A (en) * | 2013-07-16 | 2013-10-02 | 大理美登印务有限公司 | Improved type doctor blade locking and adjusting device for intaglio printing press |
| CN106240140A (en) * | 2016-07-28 | 2016-12-21 | 广东汕樟轻工机械股份有限公司 | Satellite-type eight color flexographic printing unit |
| CN106240140B (en) * | 2016-07-28 | 2018-06-19 | 广东汕樟轻工机械股份有限公司 | Eight color flexographic printing unit of satellite-type |
| CN106541700A (en) * | 2016-12-12 | 2017-03-29 | 泉州市西格玛智能工业机械有限公司 | A kind of cloth prints the print roller scraper mechanism of streamline |
| CN106696458A (en) * | 2016-12-12 | 2017-05-24 | 泉州市西格玛智能工业机械有限公司 | Printing part of cloth printing assembly line |
| CN107187197A (en) * | 2017-07-11 | 2017-09-22 | 佛山市正略信息科技有限公司 | A kind of printing press scraper device of peripheral hardware formula |
| CN107187197B (en) * | 2017-07-11 | 2019-02-22 | 广东顺昌印刷有限公司 | A kind of printing press scraper device of peripheral hardware formula |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |