CN102189855A - Printing pressure roller and printing unit with same - Google Patents
Printing pressure roller and printing unit with same Download PDFInfo
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- CN102189855A CN102189855A CN 201010129150 CN201010129150A CN102189855A CN 102189855 A CN102189855 A CN 102189855A CN 201010129150 CN201010129150 CN 201010129150 CN 201010129150 A CN201010129150 A CN 201010129150A CN 102189855 A CN102189855 A CN 102189855A
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Abstract
The invention relates to a printing pressure roller (1). The printing pressure roller comprises a metal shaft core (11) and a flexible roller (12) which is in interference fit with the periphery of the metal shaft core and is made of flexible materials, and is characterized in that: the peripheral surface of the flexible roller (12) is an arc-shaped surface of which the two ends is gradually sunk inwards towards the middle part along the length direction. Therefore, deformation amount generated at the two ends of the surface of the flexible roller is slightly greater than deformation amount generated on the middle part of the surface of the flexible roller; and according to an elastic deformation principle of a rubber material, extension tendency is generated at the two ends of printing paper extruded by the flexible roller through the extrusion deformation of the flexible roller, so that the printing paper cannot be wrinkled in the coining process. The invention also relates to a printing unit with the printing pressure roller. The printing unit comprises a frame (2), a printing roller unit (3) and an extrusion roller (4), wherein the printing pressure roller is positioned outside the printing roller unit and can rotate around the axial line of the printing pressure roller; and a pre-tightening structure which makes the flexible roller of the printing pressure roller keep extrusion tendency to the extrusion roller is arranged in the frame.
Description
Technical field
The present invention relates to a kind of squeegee pressure roller and have the printing element of this pressure roll, this squeegee pressure roller and printing element are used for various mimeographs, as duplicating machine.
Background technology
In industrial and mining enterprises, office and the school of China, adopt duplicating machine (claiming mimeograph again) widely, as the literary composition seal instrument of office usefulness.The basic functional principle of this duplicating machine is printing, praise on the paraffin paper of writing or mimeographing, being coated with uniform printing ink, by the roll extrusion of a rubber roll, with the word graph line of printing on the paraffin paper, duplicates on paper.
Duplicating machine is ripe a kind of apparatus.As a patent No. is the mimeograph that the Chinese utility model patent " simple and easy small-sized mimeograph " of ZL92233225.8 (notification number is CN2188027Y) has disclosed.And for example a patent No. is the duplicating machine of Chinese utility model patent " the single roller duplicating machine " disclosure of ZL93204433.6 (notification number is CN2151002Y).
The process and the principle of the existing whole printing of integrated duplicating machine are basic identical, and at first, lifting platform is sent printing sheets into the first paper feed unit, and the effect by paper-sheets rolling wheel and layman is sent to the second paper feed unit with printing sheets; When printing sheets touching was opened second paper feed and dialled the paper switch, the squeegee pressure roller entered the preparation before the printing under the control of mechanism driving; When the paper of printing sheets entered between seal tube unit and the squeegee pressure roller, by the effect of mechanism driving control, the squeegee pressure roller was pressed on printing sheets on the paraffin paper surface of seal tube unit periphery; According to the letterpress principle, under the squeezing action of the compression roller of squeegee pressure roller and seal tube unit, printing-ink will penetrate steel mesh, the gauze of seal tube unit and make paraffin paper accurately image on printing sheets of version; Under the rotation and the effect of print separation unit of printing sheets by seal tube unit simultaneously, the printing sheets of imaging is sent into the splicing unit gradually, thereby finish whole printing process.
The characteristics of integrated duplicating machine itself are to realize high speed printing, and promptly print speed printing speed can reach per minute more than 130; Integrated duplicating machine can be fit to polytype printing sheets simultaneously, comprises 35g/m
2～210g/m
2The printing sheets of scope; Therefore integrated digital duplicating machine for the whole performance requirement of paper system and impression system of walking all than higher.
Its structure of squeegee pressure roller generally comprises metal shaft core and close-fitting or is molded over the flexible roller made from flexible material of metal shaft core periphery, what wherein flexible material was comparatively commonly used is to adopt elastomeric material to make, certainly for making the squeegee pressure roller have better oil resistivity, wearability, soft durometer and fineness, make pressure roll be specially adapted to the utilization rate of the requirements of quick a large amount of printings, the definition that improves printing, paraffin paper and the service life of prolongation rubber roll, it is the liquid synthetic resin that primary raw material is mixed with that flexible material also can be selected for use by castor oil and toluene two different hydrogen acid ether (hydrogen acid ester)s.As a patent No. is a kind of squeegee pressure roller the Chinese utility model patent " being used for synthetic resin rubber roll of duplicating machine and preparation method thereof " of ZL92108561.3 (notification number is CN1084125Y) has disclosed.
The surface of the flexible roller in the traditional printing pressure roll is along being linear structure on its length direction, the diameter of promptly going up along its length flexible roller everywhere is all identical, experimental data proves, when adopting traditional squeegee pressure roller (being that the pressure roll rubber surface is a linear structure) to carry out thin paper (35g/m
2～60g/m
2) when printing, the phenomenon of printing sheets fold often appears easily, influenced the printing effect of printed matter greatly.
In sum, the structure of existing squeegee pressure roller also can be further improved.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of can prevent effectively that the squeegee pressure roller of fold phenomenon from appearring in printing process printing sheets at above-mentioned prior art present situation.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of squeegee pressure roller, comprise metal shaft core and the close-fitting flexible roller made from flexible material in metal shaft core periphery, it is characterized in that: the outer peripheral face of described flexible roller is from two ends towards the middle part arc of indent gradually along its length.
Use the characteristic of flexible roller according to reality, and the variety classes of the printing sheets that uses and the inherent characteristic of printing ink, experimental data shows that the angular range of angle of above-mentioned flexible roller two ends radius of curvature is between 0.5 °～1 °.The precision of its printing sheets imaging and paper delivery effect reach optimum state, and we its both ends of the surface radius of curvature angle of designed flexible roller α is 0.618 ° and is good (wherein 0.618 ° is golden section proportion) here.
A kind of printing element, comprise frame, be arranged on the squeegee pressure roller in the frame, this squeegee pressure roller comprises metal shaft core and the close-fitting flexible roller made from flexible material in metal shaft core periphery, also be provided with seal tube unit in the described frame, the seal tube is provided with compression roller in the unit, compression roller contacts with the place, printing position of seal tube unit internal perisporium, described squeegee pressure roller is positioned at outside, seal tube unit and can rotates around self axis, this squeegee pressure roller contacts with the place, printing position of seal tube unit periphery wall, it is characterized in that: the outer peripheral face of described flexible roller is from two ends towards the middle part arc of indent gradually along its length, also is provided with the pre-pressing structure that the flexible roller that makes the squeegee pressure roller and compression roller keep extruding trend in the described frame.
This printing element is in printing process, and according to the letterpress principle, under the squeezing action of squeegee pressure roller and compression roller, printing-ink will penetrate steel mesh, the gauze of seal tube unit and make paraffin paper accurately image on printing sheets of version; The squeegee pressure roller of curved surfaces is in moulding process, compression roller mutual extrusion in pre-pressing structure effect downforce roller and seal tube unit, the deflection that the flexible roller surface two ends of squeegee pressure roller produce will be slightly larger than the deflection that flexible roller surface middle part produces, strain principle according to elastomeric material, the distortion of the flexible roller self extrusion of squeegee pressure roller will produce the trend of extending to the two ends of printing sheets, thereby guarantee the phenomenon that printing sheets can fold in the coining process.
Above-mentioned pre-pressing structure comprise that activity wears on the frame and relatively frame around the rotating shaft of self axis rotation; One end movable sleeve of this rotating shaft be provided with can phase first location-plate that rotates of countershaft, second location-plate that the opposite side of rotating shaft is slidingly connected and can the phase countershaft rotates; The metal shaft core of described squeegee pressure roller is installed between first location-plate and second location-plate, and this squeegee pressure roller and described shaft parallel are provided with at interval; Middle part between described first location-plate and second location-plate is fixed with trunnion shaft, and this trunnion shaft is provided with between described rotating shaft and squeegee pressure roller and with shaft parallel at interval; Link together by connecting plate between described trunnion shaft and the rotating shaft; The outer end of described rotating shaft is fixed with one and drives plate, is provided with between this drive plate and the frame to make to drive the extension spring that plate keeps deflection trend.
It more than is a kind of specific implementation of pre-pressing structure, pulling by extension spring, drive the upwards upset of countershaft mutually of trunnion shaft, first location-plate and second location-plate, assurance is installed in the flexible roller integral body of squeegee pressure roller between first location-plate and second location-plate and is close to the printing position of seal tube unit outer peripheral face, and keep extruding trend with compression roller in the seal tube unit, this structure can guarantee to keep suitable thrust between squeegee pressure roller and the seal tube unit outer peripheral face, guarantees that printed matter has good printing effect.
Have three ends on the above-mentioned drive plate and collude the hole of establishing for extension spring.Draw by colluding between extension spring and three holes, the position of regulating extension spring according to lever principle can change extension spring to driving the pulling force of plate, finally changes the squeeze pressure between squeegee pressure roller and the compression roller, guarantees that further printed matter has good printing effect.
One end of the metal shaft core of above-mentioned squeegee pressure roller is installed on described first location-plate by clutch shaft bearing, and the other end of the metal shaft core of squeegee pressure roller is installed in described second location-plate by second bearing.The squeegee pressure roller can guarantee normally carrying out of printing easily around self axis rotation like this.
Have first arc notch on above-mentioned first location-plate, the outer face of first location-plate is provided with first rib, also be fixed with the first fastening plate on the outer face of first location-plate, surround between described first arc notch, first rib and the first fastening plate described clutch shaft bearing is limited installing space in it; Have second arc notch on described second location-plate, the outer face of second location-plate is provided with second rib, also be fixed with the second fastening plate on the outer face of second location-plate, surround between described second arc notch, second rib and the second fastening plate described second bearing is limited installing space in it.This structure is convenient to mount and dismount the clutch shaft bearing and second bearing, also can directly be provided with on location-plate in order to place the chamber of bearing certainly.
The above-mentioned first fastening plate presses solidly on the outer face of first location-plate by fixed cover, is threaded with first location-plate after passing first fixed cover and the first fastening plate successively by first screw again; The described second fastening plate presses solidly on the outer face of second location-plate by second fixed cover, is threaded with second location-plate after passing the fixed cover and the second fastening plate successively by second screw again.This mounting means is convenient to regulate the installation site of fastening plate, and easy for installation, only need unscrew screw during adjusting, rotate the fastening plate again, tighten screw at last and get final product, also can adopt alternate manner that fastening plate and location-plate are fixed certainly, as the fixing mode of direct employing screw.
Compared with prior art, the invention has the advantages that: because the outer peripheral face of flexible roller is from two ends towards the middle part arc of indent gradually along its length, like this after flexible roller is squeezed, the deflection that flexible roller surface two ends produce will be slightly larger than the deflection that flexible roller surface middle part produces, strain principle according to elastomeric material, the distortion of flexible roller self extrusion will produce the trend of extending to the two ends of the printing sheets that pushed by flexible roller, thereby guarantee the phenomenon that printing sheets can fold in the coining process.
Description of drawings
Fig. 1 is the perspective view of squeegee pressure roller;
Fig. 2 is the structure cutaway view of squeegee pressure roller;
Fig. 3 is that the A-A of Fig. 2 is to cutaway view;
Fig. 4 is the schematic diagram of flexible roller both ends of the surface radius of curvature angle in the squeegee pressure roller;
Fig. 5 removes the perspective view of frame rear body part for printing element;
Fig. 6 is the schematic perspective view of pre-pressing structure in the printing element;
Fig. 7 is the three-dimensional exploded view of pre-pressing structure in the printing element;
Fig. 8 is the distortion schematic diagram of squeegee pressure roller in the printing element;
Fig. 9 is the perspective view of printing element;
Figure 10 is a printing element in order to the printing process structural representation in the duplicating machine.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Shown in Fig. 1～4, be the specific embodiment of squeegee pressure roller among the present invention.
A kind of squeegee pressure roller 1, comprise metal shaft core 11 and close-fitting the flexible roller made from flexible material 12 in metal shaft core periphery, the innovation of this squeegee pressure roller 1 structure is that the outer peripheral face of flexible roller 12 is from two ends towards the middle part arc of indent gradually along its length, and the diameter of the cross section at promptly flexible roller 12 two ends is greater than the diameter of the cross section at flexible roller 12 middle parts.
The flexible material that flexible roller 12 is adopted in the present embodiment is an elastomeric material, and it is the liquid synthetic resin that primary raw material is mixed with that flexible material also can be selected for use by castor oil and toluene two different hydrogen acid ether (hydrogen acid ester)s.
As shown in Figure 4, use the characteristic of the rubber material of flexible roller 12 according to reality, and the variety classes of the printing sheets that uses and the inherent characteristic of printing ink, experimental data shows that the angular range of angle of above-mentioned flexible roller 12 two ends radius of curvature R is between 0.5 °～1 °, the precision of its printing sheets imaging and paper delivery effect reach optimum state, and we designed flexible roller 12 its both ends of the surface radius of curvature angle α are good (wherein 0.618 ° is golden section proportion) with 0.618 ° here.
Shown in Fig. 5～10, for adopting the specific embodiment of the printing element of aforementioned squeegee pressure roller among the present invention.
A kind of printing element, comprise frame 2, the parts of frame and existing duplicating machine are basic identical, squeegee pressure roller 1 is arranged in this frame 2, squeegee pressure roller 1, comprise metal shaft core 11 and close-fitting the flexible roller made from flexible material 12 in metal shaft core periphery, the innovation of this squeegee pressure roller 1 structure is that the outer peripheral face of flexible roller 12 is from two ends towards the middle part arc of indent gradually along its length, the diameter of cross section that is flexible roller 12 two ends is greater than the diameter of the cross section at flexible roller 12 middle parts, also be provided with seal tube unit 3 in the frame 2, the seal tube is provided with compression roller 4 in the unit 3, compression roller 4 contacts with the place, printing position of seal tube unit 3 internal perisporiums, squeegee pressure roller 1 is positioned at 3 outsides, seal tube unit and can rotates around self axis, and this squeegee pressure roller 1 is located to contact with the printing position of seal tube unit 3 periphery walls.
Above structure is identical with the structure substrate of printing element in the existing duplicating machine.
Also be provided with the pre-pressing structure that the flexible roller 12 that makes the squeegee pressure roller and compression roller 4 keep the extruding trend in the frame 2.
Pre-pressing structure comprise that activity wears on the frame 2 and relatively frame 2 around the rotating shaft 5 of self axis rotation, it is the perforation that the two ends activity of rotating shaft 5 is passed in the relative sidewall of frame 2, one end movable sleeve of this rotating shaft 5 be provided with can phase first location-plate 6 that rotates of countershaft, second location-plate 7 that the opposite side of rotating shaft 5 is slidingly connected and can the phase countershaft rotates.
The metal shaft core 11 of squeegee pressure roller is installed between first location-plate 6 and second location-plate 7, this squeegee pressure roller 1 and described rotating shaft 5 parallel interval settings, an end that is metal shaft core 11 is installed on first location-plate 6 by clutch shaft bearing 15, and the other end of metal shaft core 11 is installed in second location-plate 7 by second bearing 16.
Clutch shaft bearing 15 is installed on first location-plate 6 by following structure: have first arc notch 61 on first location-plate 6, the outer face of first location-plate 6 is provided with first rib 62, also be fixed with the first fastening plate 17 on the outer face of first location-plate 6, the first fastening plate 17 presses solidly on the outer face of first location-plate 6 by fixed cover 19, be threaded first arc notch 61 with first location-plate 6 after passing first fixed cover 19 and the first fastening plate 17 successively by first screw 20 again, surround between first rib 62 and the first fastening plate 17 clutch shaft bearing 15 is limited installing space in it.
Second bearing 16 is installed on second location-plate 7 by following structure: have second arc notch 71 on second location-plate 7, the outer face of second location-plate 7 is provided with second rib 72, also be fixed with the second fastening plate 18 on the outer face of second location-plate 7, the second fastening plate 18 presses solidly on the outer face of second location-plate 7 by second fixed cover 21, be threaded second arc notch 71 with second location-plate 7 after passing the fixed cover 21 and the second fastening plate 18 successively by second screw 22 again, surround between second rib 72 and the second fastening plate 18 second bearing 16 is limited installing space in it.
Middle part between first location-plate 6 and second location-plate 7 is fixed with trunnion shaft 9, this trunnion shaft 9 between rotating shaft 6 and squeegee pressure roller 1 and with rotating shaft 6 parallel interval settings; Link together by connecting plate 10 between trunnion shaft 9 and the rotating shaft 5; The outer end of rotating shaft 6 is fixed with one and drives plate 13, be provided with between this drive plate 13 and the frame 2 to make and drive the extension spring 14 that plate 13 keeps deflection trend, have three ends on the drive plate 13 and collude the hole 131 of establishing for extension spring 14, one end of extension spring 14 colludes and is located on the hole 131, and the other end of extension spring 14 colludes and is located on the parts sidewall.
Illustrate that with the application of this printing element in integrated duplicating machine the operation principle of printing element and process are as follows:
Its lifting platform is sent printing sheets 23 into the first paper feed unit, and the effect by paper-sheets rolling wheel 24 and layman 25 is sent to the second paper feed unit with printing sheets 23; When printing sheets 23 touching was opened second paper feed and dialled paper switch 26, squeegee pressure roller 1 entered the preparation before the printing under the control of mechanism driving; When the paper of printing sheets 23 enters 1 that prints tube unit 3 and squeegee pressure roller, by mechanism driving control, squeegee pressure roller 1 is pressed on printing sheets 23 the paraffin paper surface of seal tube unit 3 peripheries under the acting in conjunction of extension spring 14, rotating shaft 5, connecting plate 10, first location-plate 6 and second location-plate 7; According to the letterpress principle, under the squeezing action of the compression roller 4 in squeegee pressure roller 1 and seal tube unit, printing-ink will penetrate steel mesh, the gauze of seal tube unit 3 and make paraffin paper accurately image on printing sheets 23 of version; Under the rotation and the effect of print separation unit 27 of printing sheets 23 by seal tube unit 3 simultaneously, the printing sheets 23 of imaging is sent into splicing unit 28 gradually, thereby finish whole printing process.
This process is identical with printing process substrate in the existing integrated duplicating machine.
Claims (10)
1. a squeegee pressure roller (1), comprise metal shaft core (11) and the close-fitting flexible roller made from flexible material (12) in metal shaft core periphery, it is characterized in that: the outer peripheral face of described flexible roller (12) is from two ends towards the middle part arc of indent gradually along its length.
2. squeegee pressure roller according to claim 1 is characterized in that: the angular range of the angle (α) of described flexible roller (12) two ends radius of curvature is between 0.5 °～1 °.
3. printing element according to claim 3 is characterized in that: the angle (α) of described flexible roller (12) two ends radius of curvature (R) is 0.618 °.
4. printing element, comprise frame (2), be arranged on the squeegee pressure roller (1) in the frame (2), this squeegee pressure roller (1) comprises metal shaft core (11) and the close-fitting flexible roller made from flexible material (12) in metal shaft core periphery, also be provided with seal tube unit (3) in the described frame (2), be provided with compression roller (4) in the seal tube unit (3), compression roller (4) contacts with the place, printing position of seal tube unit (3) internal perisporium, described squeegee pressure roller (1) is positioned at outside, seal tube unit (3) and can rotates around self axis, this squeegee pressure roller (1) contacts with the place, printing position of seal tube unit (3) periphery wall, it is characterized in that: the outer peripheral face of described flexible roller (12) is from two ends towards the middle part arc of indent gradually along its length, also is provided with the pre-pressing structure that the flexible roller (12) that makes the squeegee pressure roller and compression roller (4) keep extruding trend in the described frame (2).
5. printing element according to claim 4 is characterized in that: the angular range of the angle (α) of described flexible roller (12) two ends radius of curvature is between 0.5 °～1 °.
6. according to claim 4 or 5 described printing elements, it is characterized in that: described pre-pressing structure comprise that activity wears that frame (2) goes up and relatively frame (2) around the rotating shaft (5) of self axis rotation; The one end movable sleeve of this rotating shaft (5) be provided with can phase first location-plate (6) that rotates of countershaft, second location-plate (7) that the opposite side of rotating shaft (5) is slidingly connected and can the phase countershaft rotates; The metal shaft core (11) of described squeegee pressure roller is installed between first location-plate (6) and second location-plate (7), this squeegee pressure roller (1) and described rotating shaft (5) parallel interval setting; Middle part between described first location-plate (6) and second location-plate (7) is fixed with trunnion shaft (9), this trunnion shaft (9) be positioned between described rotating shaft (6) and the squeegee pressure roller (1) and with rotating shaft (6) parallel interval setting; Link together by connecting plate (10) between described trunnion shaft (9) and the rotating shaft (5); The outer end of described rotating shaft (6) is fixed with one and drives plate (13), is provided with between this drive plate (13) and the frame (2) to make to drive the extension spring (14) that plate (13) keeps deflection trend.
7. according to claim 4 or 5 described printing elements, it is characterized in that: have three ends on the described drive plate (13) and collude the hole (131) of establishing for extension spring (14).
8. according to claim 4 or 5 described printing elements, it is characterized in that: an end of the metal shaft core (11) of described squeegee pressure roller is installed on described first location-plate (6) by clutch shaft bearing (15), and the other end of the metal shaft core (11) of squeegee pressure roller is installed in described second location-plate (7) by second bearing (16).
9. printing element according to claim 8, it is characterized in that: have first arc notch (61) on described first location-plate (6), the outer face of first location-plate (6) is provided with first rib (62), also be fixed with the first fastening plate (17) on the outer face of first location-plate (6), surround between described first arc notch (61), first rib (62) and the first fastening plate (17) described clutch shaft bearing (15) is limited its interior installing space; Have second arc notch (71) on described second location-plate (7), the outer face of second location-plate (7) is provided with second rib (72), also be fixed with the second fastening plate (18) on the outer face of second location-plate (7), surround between described second arc notch (71), second rib (72) and the second fastening plate (18) described second bearing (16) is limited its interior installing space.
10. printing element according to claim 9, it is characterized in that: the described first fastening plate (17) presses solidly on the outer face of first location-plate (6) by fixed cover (19), passes first fixed cover (19) and the first fastening plate (17) back successively by first screw (20) again and is threaded with first location-plate (6); The described second fastening plate (18) presses solidly on the outer face of second location-plate (7) by second fixed cover (21), passes fixed cover (21) and the second fastening plate (18) back successively by second screw (22) again and is threaded with second location-plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010129150.4A CN102189855B (en) | 2010-03-18 | 2010-03-18 | Printing pressure roller and printing unit with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010129150.4A CN102189855B (en) | 2010-03-18 | 2010-03-18 | Printing pressure roller and printing unit with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102189855A true CN102189855A (en) | 2011-09-21 |
| CN102189855B CN102189855B (en) | 2014-03-05 |
Family
ID=44599022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010129150.4A Expired - Fee Related CN102189855B (en) | 2010-03-18 | 2010-03-18 | Printing pressure roller and printing unit with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102189855B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105643967A (en) * | 2016-03-21 | 2016-06-08 | 江苏通用科技股份有限公司 | Cambered surface composite rubber roller |
| CN107554047A (en) * | 2017-09-26 | 2018-01-09 | 平湖纬宸机械科技有限公司 | A kind of compression roller of printing machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2153455Y (en) * | 1993-04-03 | 1994-01-19 | 卓双之 | Printing roller |
| CN1451552A (en) * | 2002-04-15 | 2003-10-29 | 东北理光株式会社 | Porous printing apparatus |
| CN2601835Y (en) * | 2003-01-30 | 2004-02-04 | 上海高斯印刷设备有限公司 | Paper joint roller of web offset machine |
| CN201026719Y (en) * | 2007-04-29 | 2008-02-27 | Duplo(山东)办公设备有限公司 | Impressing mechanism of integrated machine for master-making and printing |
-
2010
- 2010-03-18 CN CN201010129150.4A patent/CN102189855B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2153455Y (en) * | 1993-04-03 | 1994-01-19 | 卓双之 | Printing roller |
| CN1451552A (en) * | 2002-04-15 | 2003-10-29 | 东北理光株式会社 | Porous printing apparatus |
| CN2601835Y (en) * | 2003-01-30 | 2004-02-04 | 上海高斯印刷设备有限公司 | Paper joint roller of web offset machine |
| CN201026719Y (en) * | 2007-04-29 | 2008-02-27 | Duplo(山东)办公设备有限公司 | Impressing mechanism of integrated machine for master-making and printing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105643967A (en) * | 2016-03-21 | 2016-06-08 | 江苏通用科技股份有限公司 | Cambered surface composite rubber roller |
| CN107554047A (en) * | 2017-09-26 | 2018-01-09 | 平湖纬宸机械科技有限公司 | A kind of compression roller of printing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102189855B (en) | 2014-03-05 |
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Granted publication date: 20140305 Termination date: 20200318 |