CN102241196A - Paper adsorption control device for printing roller of digital ink-jet printer - Google Patents
Paper adsorption control device for printing roller of digital ink-jet printer Download PDFInfo
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- CN102241196A CN102241196A CN2011101262046A CN201110126204A CN102241196A CN 102241196 A CN102241196 A CN 102241196A CN 2011101262046 A CN2011101262046 A CN 2011101262046A CN 201110126204 A CN201110126204 A CN 201110126204A CN 102241196 A CN102241196 A CN 102241196A
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- printing cylinder
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- control device
- suction hole
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Abstract
The invention provides a paper adsorption control device for a printing roller of a digital ink-jet printer, which can be used for avoiding the phenomenon that an air suction hole leaks air due to change of paper size, thus the printing quality is influenced. The paper adsorption control device comprises a roller shaft and a printing roller rotating around the roller shaft; the roller shaft is provided with an air sucking duct communicated with an inner cavity of the printing roller; a plurality of air suction holes are arranged on the roller wall of the printing roller; air ducts communicated with the outer circumferential surface of the printing roller and the inner cavity surface of the printing roller are respectively arranged at two ends of the air suction holes; plungers sliding along the axes of the air suction holes are respectively arranged in the air suction holes; the plungers are provided with channels communicated with two ends of the plunger; two ports of the channels are deviated from the air ducts and are positioned at openings on the inner surfaces of the air suction holes; and elastic devices by which the plungers are pushed to the outer circumferential side of the printing roller are arranged between the plungers and the roller wall of the printing roller.
Description
Technical field
The present invention relates to a kind of general purpose accessory of printing machinery, relate in particular to a kind of paper absorption control device of digital ink-jet press printing cylinder.
Background technology
The workflow of digital ink-jet printing machine is: need the paper of printing to be sent into printing cylinder by paper feeder, hold tooth in the month and hold paper in the month along with printing cylinder rotates, ink gun carries out ink jet printing on the paper that moves, the paper after printing is handed off on the transfer cylinder, is sent to paper arrangement platform again.
The structure of existing equipment as shown in Figure 1 and Figure 2, printing cylinder 1 surface distributed a plurality of absorption suction holes with vacuum lumen UNICOM, insert getter device from the axle head of drum shaft 2, make the interior negative-pressure vacuum that forms of cavity of printing cylinder 1, printing cylinder 1 is around drum shaft 2 rotations.When paper be printed on the cylinder 1 hold that tooth 3 is held in the month in the month and when rotating around drum shaft 2, paper just is adsorbed on the surface of printing cylinder 1, to carry out ink jet printing at paper surface ready for printing machine.The shortcoming of this structure is: the break-make that the suction hole above the printing cylinder can not single or single control gas, when antiquarian changed, the suction hole on the printing cylinder 1 that can not be covered by paper can leak gas, and caused the absorption affinity of the paper that is adsorbed to reduce, printing trouble occurs, influence printing quality.
Summary of the invention
Technical problem to be solved by this invention provide a kind of can be not because of the variation of antiquarian makes suction hole produce gas leakage, thereby the paper that influence the digital ink-jet press printing cylinder of printing quality adsorbs control device.
For solving the problems of the technologies described above, technical scheme of the present invention is: the paper absorption control device of digital ink-jet press printing cylinder, comprise drum shaft and the printing cylinder that rotates around drum shaft, described drum shaft is provided with the aspirating unit that is communicated with the printing cylinder inner chamber, be provided with some suction holes in the described printing cylinder barrel, described suction hole two ends are respectively equipped with the air flue that is communicated with printing cylinder outer surface and printing cylinder surface of internal cavity, be respectively equipped with the plunger that slides along the suction hole axis in the described suction hole, described plunger is provided with the passage that is communicated with the plunger two ends, and described passage two-port departs from described air flue and is positioned at opening on the described suction hole inner surface; Be provided with the elastic device of described plunger being pushed to the printing cylinder outer circumferential side between described plunger and the printing cylinder barrel.
Described passage is positioned at the side surface of described plunger.
Described suction hole is evenly distributed in the printing cylinder barrel.
Be provided with spool between described drum shaft one side and the described printing cylinder, the air-breathing road junction that described aspirating unit is communicated with described printing cylinder inner chamber is positioned at the opposite side of described drum shaft.
Described spool is installed on the described drum shaft.
Beneficial effect of the present invention is: by being used of plunger in the suction hole and spool, and the function of automatic sealed porosity when absorption paper automatically when being implemented in vacuum suction district cylinder surface paper being arranged, no paper; Cut off pore at antivacuum adsorption zone by spool, make the plunger return in the suction hole, reach absorption control the different size paper.Got rid of because the printing trouble that suction hole gas leakage causes has improved printing quality.
Description of drawings
Fig. 1 is the structural representation of existing equipment;
Fig. 2 is the side schematic view of existing equipment;
Fig. 3 is a structural representation of the present invention;
Fig. 4 is a side schematic view of the present invention;
Fig. 5 is the amplification view of I part among Fig. 3;
Fig. 6 is workflow of the present invention-paper printing initial state figure
Fig. 7 is workflow of the present invention-paper printing done state figure.
Among the figure: 1, printing cylinder; 2, drum shaft; 3, hold tooth in the month; 4, circle; 5, spool; 6, suction hole; 7, plunger; 8, elastic device; 9, passage; 10, the vacuum suction district; 11, transfer cylinder; 12, paper feeder; 13, paper; 14, ink gun; 15, paper arrangement platform.
The specific embodiment
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
Structure of the present invention as shown in Figure 3, Figure 4, printing cylinder 1 is around drum shaft 2 rotations, described drum shaft 2 is provided with the aspirating unit that is communicated with printing cylinder 1 inner chamber, makes in the cavity of printing cylinder 1 and forms negative-pressure vacuum.Be provided with spool 5 between described drum shaft 2 one sides and the described printing cylinder 1, the air-breathing road junction that described aspirating unit is communicated with described printing cylinder 1 inner chamber is positioned at the opposite side of described drum shaft 2, and described spool 5 is installed on the described drum shaft 2.Be arranged with several suction holes 6 on the barrel of described printing cylinder 1 uniformly.
The structure of suction hole 6 as shown in Figure 5, described suction hole 6 two ends are respectively equipped with the air flue that is communicated with printing cylinder outer surface and printing cylinder surface of internal cavity, be respectively equipped with the plunger 7 that slides along suction hole 6 axis in the described suction hole 6, described plunger 7 is provided with the passage 9 that is communicated with plunger 7 two ends, and described passage 9 two-port depart from described air flue and are positioned at opening on described suction hole 6 inner surfaces, and the described passage 9 of present embodiment is positioned at the side surface of described plunger 7; Be provided with the elastic device 8 of described plunger 7 being pushed to printing cylinder 1 outer circumferential side between described plunger 7 and printing cylinder 1 barrel.
When suction hole 6 is not blocked by paper, atmospheric pressure can overcome the elastic force of elastic device 8 and frictional force, the centrifugal force of plunger 7, plunger 7 is depressed, plunger 7 is sealed the gas port that suction hole 6 leads to printing cylinder 1 inner chamber, the passageway shuts off that printing cylinder 1 inner chamber leads to printing cylinder 1 outer surface, dying automatically when realizing no paper; When suction hole 6 was blocked by paper, the air in the cavity between plunger 7 and the paper was sucked away by passage 9, all forms vacuum in the both sides cavity of plunger 7, and paper just is adsorbed on printing cylinder 1 outer surface firmly, thereby ventilated automatically when having realized paper.
Workflow of the present invention such as Fig. 6, shown in Figure 7, when paper 13 is sent into printing cylinder 1 by paper feeder 12, be installed in holding in the month when tooth 3 is held in the month and center on drum shaft 2 rotates on the printing cylinder 1, printing cylinder 1 has the surface of paper to change vacuum suction district 10 successively over to, paper 13 is just opened path one by one along with the rotation of printing cylinder 1 suction hole 6 is adsorbed onto on the outer surface of printing cylinder 1, and ink gun 14 beginnings are carried out ink jet printing at paper surface; When the suction hole 6 that is identified when circle 4 changes vacuum suction district 10 over to, the surface of printing cylinder 1 does not have paper, atmospheric pressure can overcome the elastic force of elastic device 8 and frictional force, the centrifugal force of plunger 7, plunger 7 is depressed, plunger 7 is sealed the gas port that suction hole 6 leads to printing cylinder 1 inner chamber, the passageway shuts off of printing cylinder 1 inner chamber being led to printing cylinder 1 outer surface, the suction hole 6 that circle 4 is identified is died automatically, with the gas circuit sealing, guarantee that printing cylinder 1 surface does not have the place of paper can not leak gas; When suction hole 6 changed non-adsorption zone over to, spool 5 cut off the inner chamber of suction hole 6 with printing cylinder 1, and the elastic device 8 that is arranged between plunger 7 and printing cylinder 1 barrel resets plunger 7.
Claims (5)
1. the paper of digital ink-jet press printing cylinder adsorbs control device, comprise drum shaft (2) and the printing cylinder (1) that rotates around drum shaft (2), described drum shaft (2) is provided with the aspirating unit that is communicated with the printing cylinder inner chamber, be provided with some suction holes (6) in described printing cylinder (1) barrel, described suction hole (6) two ends are respectively equipped with the air flue that is communicated with printing cylinder (1) outer surface and printing cylinder surface of internal cavity, it is characterized in that: be respectively equipped with the plunger (7) that slides along suction hole (6) axis in the described suction hole (6), described plunger (7) is provided with the passage (9) that is communicated with plunger (7) two ends, and described passage (9) two-port departs from described air flue and is positioned at opening on described suction hole (6) inner surface; Be provided with the elastic device (8) of described plunger (7) being pushed to printing cylinder (1) outer circumferential side between described plunger (7) and printing cylinder (1) barrel.
2. the paper absorption control device of digital ink-jet press printing cylinder according to claim 1, it is characterized in that: described passage (9) is positioned at the side surface of described plunger (7).
3. the paper absorption control device of digital ink-jet press printing cylinder according to claim 1, it is characterized in that: described suction hole (6) is evenly distributed in printing cylinder (1) barrel.
4. the paper absorption control device of digital ink-jet press printing cylinder according to claim 1, it is characterized in that: be provided with spool (5) between described drum shaft (2) one sides and the described printing cylinder (1), the air-breathing road junction that described aspirating unit is communicated with described printing cylinder (1) inner chamber is positioned at the opposite side of described drum shaft (2).
5. the paper absorption control device of digital ink-jet press printing cylinder according to claim 4, it is characterized in that: described spool (5) is installed on the described drum shaft (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101262046A CN102241196A (en) | 2011-05-17 | 2011-05-17 | Paper adsorption control device for printing roller of digital ink-jet printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101262046A CN102241196A (en) | 2011-05-17 | 2011-05-17 | Paper adsorption control device for printing roller of digital ink-jet printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102241196A true CN102241196A (en) | 2011-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101262046A Pending CN102241196A (en) | 2011-05-17 | 2011-05-17 | Paper adsorption control device for printing roller of digital ink-jet printer |
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| CN (1) | CN102241196A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104441984A (en) * | 2014-12-10 | 2015-03-25 | 汕头东风印刷股份有限公司 | Sheet-fed changing image-text printing device and method |
| CN104507692A (en) * | 2012-07-24 | 2015-04-08 | 富士胶片株式会社 | Medium-holding device, medium-conveying device, and inkjet recording device |
| CN103753955B (en) * | 2014-01-07 | 2015-07-22 | 北京印刷学院 | Digital ink-jet printer |
| CN113481331A (en) * | 2021-08-13 | 2021-10-08 | 马艳文 | Leather conditioning and folding method |
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| JPH08175718A (en) * | 1994-12-21 | 1996-07-09 | Bridgestone Corp | Delivering device for belt member |
| JP2001294348A (en) * | 2000-04-12 | 2001-10-23 | Toray Eng Co Ltd | Sheet-like object mounting device in printing machine |
| US6427941B1 (en) * | 1999-10-08 | 2002-08-06 | Fuji Photo Film Co., Ltd. | Web transporting method and apparatus |
| EP2028001A1 (en) * | 2007-08-20 | 2009-02-25 | Zhongrong Li | Combined apparatus for laser Image transfer printing and lithographic cold stamping |
| CN201390026Y (en) * | 2009-04-20 | 2010-01-27 | 天津长荣印刷设备股份有限公司 | Drum-type vacuum paper suction device |
| JP2010070383A (en) * | 2008-09-18 | 2010-04-02 | Ind Technol Res Inst | Suction type roller and transport apparatus for the same |
| CN202062804U (en) * | 2011-05-17 | 2011-12-07 | 潍坊东航印刷科技股份有限公司 | Paper-adsorption control device for digital ink-jet printer printing roller |
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2011
- 2011-05-17 CN CN2011101262046A patent/CN102241196A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08175718A (en) * | 1994-12-21 | 1996-07-09 | Bridgestone Corp | Delivering device for belt member |
| US6427941B1 (en) * | 1999-10-08 | 2002-08-06 | Fuji Photo Film Co., Ltd. | Web transporting method and apparatus |
| JP2001294348A (en) * | 2000-04-12 | 2001-10-23 | Toray Eng Co Ltd | Sheet-like object mounting device in printing machine |
| EP2028001A1 (en) * | 2007-08-20 | 2009-02-25 | Zhongrong Li | Combined apparatus for laser Image transfer printing and lithographic cold stamping |
| JP2010070383A (en) * | 2008-09-18 | 2010-04-02 | Ind Technol Res Inst | Suction type roller and transport apparatus for the same |
| CN201390026Y (en) * | 2009-04-20 | 2010-01-27 | 天津长荣印刷设备股份有限公司 | Drum-type vacuum paper suction device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104507692A (en) * | 2012-07-24 | 2015-04-08 | 富士胶片株式会社 | Medium-holding device, medium-conveying device, and inkjet recording device |
| CN104507692B (en) * | 2012-07-24 | 2016-08-31 | 富士胶片株式会社 | Media holding device, medium conveying apparatus and ink-jet recording apparatus |
| CN103753955B (en) * | 2014-01-07 | 2015-07-22 | 北京印刷学院 | Digital ink-jet printer |
| CN104441984A (en) * | 2014-12-10 | 2015-03-25 | 汕头东风印刷股份有限公司 | Sheet-fed changing image-text printing device and method |
| CN104441984B (en) * | 2014-12-10 | 2016-05-11 | 汕头东风印刷股份有限公司 | Sheet-fed changes picture and text printed apparatus and method |
| CN113481331A (en) * | 2021-08-13 | 2021-10-08 | 马艳文 | Leather conditioning and folding method |
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Application publication date: 20111116 |