CN1736704A - Single-sheet conveying printing machine - Google Patents
Single-sheet conveying printing machine Download PDFInfo
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- CN1736704A CN1736704A CN 200510099955 CN200510099955A CN1736704A CN 1736704 A CN1736704 A CN 1736704A CN 200510099955 CN200510099955 CN 200510099955 CN 200510099955 A CN200510099955 A CN 200510099955A CN 1736704 A CN1736704 A CN 1736704A
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- paper
- calender rolls
- intermediate calender
- suction
- sheet conveying
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- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
Abstract
A sheet-feeding printer is provided, which comprises a rear face printing unit (1) and a front face printing unit (2) both distributed along the travel path of sheets (4), a plurality of intermediate cylinders (3a-3d) arranged between the rear face printing unit (1) and the front face printing unit (2), and an air jet device (50) for jetting air to the peripheral surface of at least one of the plurality of intermediate cylinders (3a-3d) to allow the sheet (14) fed to the intermediate cylinders to extend along the peripheral surface. The rear face printing unit (1) is operated to print underside the fed sheets (4). The front face printing unit (2) is operated to print upside the fed sheets (4).
Description
Technical field
The present invention relates generally to a kind of single-sheet conveying printing machine.
Background technology
Recently propose various perfecting presses and dropped into use.
Fig. 9 represents a kind of perfecting press that carries out single color printing on the two sides of paper 4.This printing machine comprises the back face printing unit 1 and the front printing element that is arranged on the paper transport path below that are arranged on paper 4 along the paper transportation path top of its transmission.
Except that back face printing unit 1 and front printing element 2, single-sheet conveying printing machine also comprises a paper carrier 19, paper feed plate portion 20, be installed in two intermediate calender rolls 3a, 3b between back face printing single page 1 and the positive printing single page 2 paper 4 being transported to the downstream and a paper delivery unit 21 etc.
As shown in figure 11, printing element 2 (or 1) comprises that an accumulator 31, ink roller group 32, printed panel 33 twine plate cylinder 34 on it, blanket cylinder 35, a print roller 5 and a fogger 36 etc.Be supplied to the ink 18 of accumulator 31 to knead required degree and be transferred to printed panel 33 by ink roller group 32.Ink 18 also is used as an image and is transferred on the outer surface of blanket cylinder 35.
Simultaneously, supply with wet water from fogger 36 to blanket cylinder 35.Afterwards, the image that is transferred to blanket cylinder 35 is transferred to the surface of the paper 4 of gap transmission between blanket cylinder 35 and print roller 5.In this way, finish predetermined printing.
In Fig. 9, though show single back face printing unit 1 and single front printing element 2, polychrome printing is arranged also, wherein different a plurality of back face printings unit 1 of ink color and/or front printing element 2 are along sheet transport direction and put.Perhaps, determine the quantity of printing element 1,2 according to environment.
The paper 4 of printing is transferred to the conveyer 22 of paper delivery unit 21 from the printing cylinder 5b of second printing element 2.And clamp and be transported on the sheet stacking apparatus 23 by being arranged on by the folder of the chain in the endless chain 28 that goes out reel 27 drivings, stacked on the paper delivery platform 29 of sheet stacking apparatus 23.Subsequently, if the stacked paper of fixed amount then shifts out them from paper delivery platform 29.
After on the reverse side of paper 4, printing, by being arranged on the ink 18 of drying reverse side near first drier 17 of intermediate calender rolls 3b at the second intermediate calender rolls 3b peripheral surface.After printed in the front of paper 4, when paper 4 was clamped and carries by the chain of endless chain 22 folder, by the positive ink 18 of second drier, 17 oven dry, wherein paper 4 transmitted from print roller 5b along the outer surface that goes out reel 27.
Most of single-sheet conveying printing machine adopts the ink of drying and solidifying with ultraviolet ray (UV).Therefore, installation is used for the ultraviolet UV drier of radiation usually.But, wish drier to be installed according to employed ink characteristics.
In the existing single-sheet conveying printing machine of said structure, after printing, paper 4 is transported to the drying effect that can not obtain drier 17 on the second intermediate calender rolls 3b of front printing element 2 fully by back face printing unit 1.Because like this, relatively poor drying will take place, as uneven drying, perhaps can pollute or scratch print surface.
In Japanese Utility Model JP2-5951U, disclose a kind of paper and sent cylinder, this transmission cylinder is keeping in the paper paper being sent on each cylinder of downstream by suction.Paper sends cylinder and disposes the watertight aircase that (1) is arranged on the cylinder end, (2) a plurality of suction tubes that are communicated with watertight aircase maintenance fluid, suction tube has different states and (3) to send the outer surface formation SS of cylinder from the suction tube to the paper at the circumferencial direction that extends axially and be arranged in that paper sends cylinder.By activating the outer pump unit that links with watertight aircase, can paper be remained to paper by suction and send on the outer surface of cylinder through SS.
Send in the cylinder at paper, louvre blade is inserted between watertight aircase and the suction tube.Prepare a plurality of louvre blades in advance.Each louvre blade has a perforation of aliging with one of them suction tube that differs from one another.If select and use suitable louvre blade in this louvre blade, what then provide has the predetermined draw pipe of different conditions to select to be communicated with watertight aircase at circumferencial direction.In this way, can be according to the size of paper, the suction of the SS by being formed on correct position keeps the afterbody of paper.
But, in this technology, must when the paper of the different sizes of each use, carry out the operation of changing louvre blade.Louvre blade is inserted in the predetermined portions of paper transmission cylinder and is fixed together with screw rod.Therefore, changing operation is a time-consuming troublesome operations.
Summary of the invention
The present invention has overcome the problems of the prior art.Therefore, the object of the present invention is to provide a kind of single-sheet conveying printing machine, even this printing machine also can change the setting of printing machine at an easy rate when using the paper of different sizes.Another object of the present invention is to provide a kind single-sheet conveying printing machine, and this printing machine can be avoided the bad oven dry and the appearance of pollution, and by the cover plate that suppresses paper on the intermediate calender rolls at the print surface cut.
For realizing above-mentioned purpose of the present invention, the invention provides a kind of single-sheet conveying printing machine, comprising: the back face printing unit and the front printing element that distribute along the transmission path of paper; Be arranged on a plurality of intermediate calender rolls between back face printing unit and the front printing element; Air jet system is used at least one peripheral surface of a plurality of intermediate calender rolls jetly, makes the paper that is transported to intermediate calender rolls stretch along outer surface; Handled so that in back face printing unit that the downside of the paper of carrying prints with handled so that the front printing element that prints at the upside of the paper of carrying.
Find,, then can greatly overcome the problems referred to above if make single-sheet conveying printing machine by making up above-mentioned intermediate calender rolls and drier.But also find, if intermediate calender rolls disposes air jet system, then can more effectively overcome the problems referred to above.Handle air jet system with injection air, make the paper that is transported on the intermediate calender rolls stretch along the peripheral surface of intermediate calender rolls.
By the detailed description below with reference to accompanying drawing, above-mentioned and other purpose of the present invention will become more clear for those skilled in the art, wherein comprise the preferred embodiment of the principle of the invention by having exemplified examples show.
Description of drawings
Fig. 1 is the sectional view according to the single-sheet conveying printing machine of first embodiment of the invention formation;
Fig. 2 is used in the intermediate calender rolls of first embodiment of the invention along Fig. 3) sectional view of X-X line;
Fig. 3 is the longitdinal cross-section diagram that is used in the intermediate calender rolls of first embodiment;
Fig. 4 is formed on the layout plane (seeing along the arrow Y direction among Fig. 2) of the SS in the intermediate calender rolls shown in Fig. 2 and 3;
Fig. 5 is the sectional view according to the single-sheet conveying printing machine of second embodiment of the invention formation;
Fig. 6 is the sectional view according to the single-sheet conveying printing machine of third embodiment of the invention formation;
Fig. 7 is the intermediate calender rolls of single-sheet conveying printing machine among the 3rd embodiment and the perspective view of air jet system;
Fig. 8 is the side view that is used to explain preferred direction scope, wherein the air shower injection air of the single-sheet conveying printing machine of the 3rd embodiment;
Fig. 9 is the sectional view of traditional single-sheet conveying printing machine;
Figure 10 is the sketch that is used to explain the relevant issues that the intermediate calender rolls of traditional single-sheet conveying printing machine exists, and shows details of (p) part among Fig. 9;
Figure 11 is the sectional view of printing element.
The specific embodiment
Below with reference to the accompanying drawings the preferred embodiments of the present invention are described.The parts identical with parts described in the prior art adopt identical label.Note, because accompanying drawing and following only non-limiting the present invention for illustrating the present invention of description, so for those skilled in the art, various variations under the prerequisite that does not break away from the claim scope and remodeling all are conspicuous.
Basic structure according to single-sheet conveying printing machine of the present invention is identical with aforesaid conventional single-sheet conveying printing machine, saves detailed giving unnecessary details at this.
(A) first embodiment
The single-sheet conveying printing machine of Fig. 2～4 expression first embodiment of the invention.
Fig. 2 is intermediate calender rolls (suction cylinder) the structural section figure that is used in the single-sheet conveying printing machine of first embodiment.Fig. 3 is the longitdinal cross-section diagram of intermediate calender rolls.Fig. 4 is formed in the layout example of the SS in the intermediate calender rolls.
In first embodiment, 4 intermediate calender rolls 3a～3d are installed in back face printing single page 1 and positive the printing between the single page 2 among Fig. 1, and have only the second intermediate calender rolls 3b that an aspirating mechanism that is arranged on its outer surface is arranged.That is, the second intermediate calender rolls 3b is configured to by suction paper be remained on its peripheral surface, thus conveyance of sheets reposefully.More particularly, the second intermediate calender rolls 3b comprises that 11, one in a box (main body) is used for integrally rotating with it rotating shaft 14 and a suction axle 13 of box 11.The part peripheral surface of main body 11 is provided with a suction box 15 with pumping function.The afterbody that the structure of suction box 15 is made by aspirating paper 4 remains on the device peripheral surface.Therefore, can be as described above conveyance of sheets 4 stably.
In first embodiment, suction box 15a, 15b are arranged on two diverse locations of the second intermediate calender rolls 3b, shown in Fig. 2 and 3.
In first embodiment, though be provided with two suction box 15a, 15b, the present invention is not limited thereto.Also one or more suction box can be set.Be provided with under the situation of a plurality of suction box, can selecting to use suction box according to the length of paper.
When the tail end of paper 4 suction operation when the first intermediate calender rolls 3a is transported to the second intermediate calender rolls 3b, and before being transported to the 3rd intermediate calender rolls 3c, the second intermediate calender rolls 3b stops suction operation at paper 4.
The quantity of suction time and suction box suitably determines according to the different of condition.In order to obtain stable suction performance, experimentize in advance and simulate, and the quantity by trial-and-error method decision suction time and suction box.
If the quantity of suction time and suction box is improper, the situation of the effect that paper 4 flaps on intermediate calender rolls 3b then can appear obtaining fully avoiding.On the other hand, if suction time is oversize, perhaps the quantity of suction box increases severely, and then air will have and enter into suction box lavishly.Also comprise waste equipment.Notice that the air that enters into suction box 15a, 15b also can determine by trial-and-error method.
Referring to Fig. 4, the layout example of SS 16 on the suction box 15a surface has been described among the figure.The quantity of SS 16 and shape can wait suitably decision by experiment.
Therefore, according to the present invention, paper 4 can prevent by suction box 15a, 15b are provided in intermediate calender rolls 3b in flapping on the intermediate calender rolls 3b.As a result, can obtain the drying effect of drier 17 effectively.Therefore, bad drying can be avoided, and the contaminated or scuffing of print surface can be prevented such as inhomogeneous drying.
In addition, can select to use suction box 15a, 15b.Actuating by cylinder 37 moves axially transfer valve and switches suction box 15a, 15b.Promptly, as shown in Figure 3, driving shaft at cylinder 37 is retracted under the state of position A, the first suction axle head mouth 38a in the suction axle 13 aligns with the first suction valve port 7a in being formed on transfer valve 7, and therefore, have only the first suction box 15a and suction pump 10 to link and cause the first suction box 15a to be in aspiration phases by transfer valve 7.On the other hand, the driving shaft of the cylinder 37 by stretching to position B, the second suction axle head mouth 38b in the suction axle 13 aligns with the second suction valve port 7b in being formed on transfer valve 7, and therefore, have only the second suction box 15b and suction pump 10 to link and cause the second suction box 15b to be in aspiration phases by transfer valve 7.
For example, when paper 4 adopts the second suction box 15b very in short-term, and when paper 4 is longer, adopt the first suction box 15a.By this mode, the afterbody of paper 4 can stably remain on the second intermediate calender rolls 3b by suction.
The actuator that is used for transfer valve 7 is not limited to cylinder 37, can adopt various types of equipment, as motor.Adopting under the situation of motor as actuator, transfer valve 7 for example can move axially by rack and-pinion mechanism.
The time that suction begins and stops is by the determining positions of the angle θ among Fig. 2 and suction valve port 7a, 7b.The position of suction valve port 7a, 7b also can cover plate makes it to rotate by keeping transfer valve 7.As shown in Figure 2, suction valve port 7a, the 7b in the transfer valve 7 forms arc along the peripheral surface of transfer valve 7., in the scope of suction axle head mouth 38a, the 38b of suction axle 13 alignment, aspirate at arc suction valve port 7a, 7b by suction box 15a, 15b.The angle θ of above-mentioned port is meant the arc angle of suction valve port 7a, 7b.
As mentioned above, can select to use suction box 15a, 15b according to the length of paper 4.Therefore, an advantage being arranged is exactly stably to keep paper 4 by being independent of the normal suction of paper.In addition, also having an advantage is exactly to be easy to and automatically to switch suction box 5a, 15b by the actuating of a control cylinder 37.Note, the invention is not restricted to the suction box 15a, the 15b that in first embodiment, adopt, and can adopt any aspirating mechanism commonly known in the art.
(B) second embodiment
Fig. 5 represents the single-sheet conveying printing machine according to the second embodiment of the invention formation.In a second embodiment, two intermediate calender rolls (middle suction cylinder) are installed in single-sheet conveying printing machine.
As shown in Figure 5, on the execution paper 4 that constitutes in the perfecting press of two-sided single color printing, between the printing cylinder 5a that is installed in back face printing unit 1 according to the second intermediate calender rolls 3b and the 4th intermediate calender rolls 3d of second embodiment of the invention and the printing cylinder 5b of front printing element 2.In addition, near the second and the 4th intermediate calender rolls 3b and 3d two driers 17 are installed respectively.Basic printing functionality is identical with the function of the perfecting press of routine.
In Fig. 5, two driers 17 are set, and are configured to middle suction cylinder of the present invention corresponding to two intermediate calender rolls 3b, 3d of two driers 17.Therefore, can prevent that paper 4 is flapped in the drying on intermediate calender rolls 3b, 3d.Except that the advantage of first embodiment, can also improve the ability of oven dry print surface.Because like this, can improve print speed printing speed and can realize the raising of output.
In addition, if increase, then can increase the area of paper 4 that can first drying, and therefore can also promote drying function (efficient) corresponding to the diameter of intermediate calender rolls 3b, the 3d of two driers 17.
(C) the 3rd embodiment
Fig. 6 to Fig. 8 represents the single-sheet conveying printing machine according to the third embodiment of the invention formation.
Fig. 6 is the sectional view of the single-sheet conveying printing machine of the 3rd embodiment, and Fig. 7 is the intermediate calender rolls of the 3rd embodiment and the perspective view of air jet system, and Fig. 8 is the intermediate calender rolls side view that is used to explain the optimum position scope of air shower injection air.
In the single-sheet conveying printing machine of the 3rd embodiment, as shown in Figure 6, the single-sheet conveying printing machine of first embodiment is increased as the air shower 50 of air jet system with as the imageing sensor 60 of image device (as CCD camera, CMOS or infrared sensor etc.).
By this structure, as shown in Figure 8, stretch by the afterbody of the paper 4 of intermediate calender rolls 3b transmission peripheral surface along intermediate calender rolls 3b.This is called paper and stretches effect.(in Fig. 8, for convenience, having shown the gap between paper 4 and the intermediate calender rolls 3b).Paper stretches effect can prevent that paper 4 from remaining on the intermediate calender rolls 3b under relaxed state.This effect can prevent the absent-mindedness part contact drying device 17 of paper 4 and be scratched.
In addition, because paper 4 blows the air that sprays quinoline chamber 50 and keeps closely contact in intermediate calender rolls 3b by air, so paper 4 can stably remain on the intermediate calender rolls 3b by suction.
As shown in Figure 6, imageing sensor (image device) 60 is provided with near the second intermediate calender rolls 3b, and it can be taken pictures to the print surface (face opposite with clamping surface) that remains on the paper 4 on the intermediate calender rolls 3b by suction.The information that has imageing sensor 60 to obtain is exported to the analytical equipment (not shown), the feasible back face printing quality that can analyze and detect paper 4.Perhaps, can output to the display unit (not shown) to the information that imageing sensor 60 obtains, make the operator can monitor the printing quality of reverse side.
Because the single-sheet conveying printing machine of the 3rd embodiment structure is as above, thus the suction to paper 4 can stably be carried out by intermediate calender rolls 3b, and therefore can more effectively obtain the advantage of the foregoing description.
In addition, upward reverse side is taken pictures,,, can detect the printing quality of reverse side with very high accuracy promptly according to the reverse side of taking so also have an advantage because can make paper 4 be clamped in intermediate calender rolls 3b by suction.
The 3rd embodiment does not always need to comprise air shower 50.That is, add imageing sensor 60 can for the second intermediate calender rolls 3b with an aspirating mechanism.In addition, in the 3rd embodiment, though air shower and imageing sensor 60 are provided with near the second intermediate calender rolls 3b, they also can be provided with near the 4th intermediate calender rolls 3d.
(D) other
Though described the present invention with reference to preferred embodiment, the present invention is not limited to detail given herein, it will be apparent to those skilled in the art that, various changes can be made under the prerequisite of the scope that does not break away from claim of the present invention and remodeling.
Though described the intermediate calender rolls that is used in the paper duplex printing, the present invention is not limited thereto.The present invention can be used for any situation that is printed on one side that comprises, as long as (drying effect that is drier 17 is insufficient for the problems referred to above, bad drying, as inhomogeneous drying, and the generation of error and scuffing on the print surface) get final product by prevent that paper 4 from flapping to overcome on intermediate calender rolls.
In the above-described embodiments, though from the upstream extremity of paper 4 transmission directions distribute successively back face printing unit 1 and front printing element 2, they can be with opposite sequence arrangement.Though 4 intermediate calender rolls are set between back face printing unit 1 and front printing element 2, but if the quantity of printing cylinder, then just can be the quantity between back face printing unit 1 and the front printing element 2, wherein twine the not coplanar of paper 4 on the printing cylinder as print surface.Promptly if even number, this quantity gets final product.
Claims (2)
1. single-sheet conveying printing machine comprises:
The back face printing unit (1) and the front printing element (2) that distribute along the transmission path of paper (4);
Be arranged on a plurality of intermediate calender rolls between back face printing unit (1) and the front printing element (2) (3a～3d);
Air jet system (50) is used for that (3a～3d) peripheral surface of at least one is jet, makes the paper (14) be transported to intermediate calender rolls stretch along outer surface to a plurality of intermediate calender rolls;
Handled so that in back face printing unit (1) that the downside of the paper of carrying (4) prints with handled so that the front printing element (2) that prints at the upside of the paper of carrying (4).
2. single-sheet conveying printing machine as claimed in claim 1, it is characterized in that on the outer surface of intermediate calender rolls (3b) carrying out the jet of air jet system (50) in 45 ° the scope, this angle is downwards and as the angle between the rotating shaft (C0) of the intermediate calender rolls (3b) at center from position (A) that middle cylinder (3b) receives paper (4).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP221491/2001 | 2001-07-23 | ||
| JP2001221491 | 2001-07-23 | ||
| JP064101/2002 | 2002-03-08 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021264953A Division CN1269641C (en) | 2001-07-23 | 2002-07-23 | Paper-transferring printing machine and its middle cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1736704A true CN1736704A (en) | 2006-02-22 |
| CN100434271C CN100434271C (en) | 2008-11-19 |
Family
ID=36079756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100999558A Expired - Fee Related CN100434271C (en) | 2001-07-23 | 2002-07-23 | Single-sheet conveying printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100434271C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104044338A (en) * | 2013-03-11 | 2014-09-17 | 海德堡印刷机械股份公司 | Format Change Of Pneumatic Drum |
| CN104742496A (en) * | 2013-12-30 | 2015-07-01 | 江苏昌昇集团股份有限公司 | Double-sided monochrome hard pressing soft offset press |
| CN111225797A (en) * | 2017-10-13 | 2020-06-02 | 柯尼格及包尔公开股份有限公司 | Sheet-processing machine with sheet-conveying device and method for conveying sheets to a sheet-feeding system by means of a sheet-guiding roller |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4230567C2 (en) * | 1992-09-12 | 1994-06-30 | Heidelberger Druckmasch Ag | Foil as elevator for an impression cylinder of an offset sheet-fed rotary printing press for perfecting |
| JPH079654A (en) * | 1993-06-25 | 1995-01-13 | Akiyama Insatsuki Seizo Kk | Offset press for both-face multicolor printing on sheet |
| DE19503110B4 (en) * | 1995-02-01 | 2009-01-29 | Heidelberger Druckmaschinen Ag | Sheet guiding device for printing machines |
| DE19527266C2 (en) * | 1995-07-26 | 1999-04-08 | Heidelberger Druckmasch Ag | Sheet printing machine |
| DE19547580C2 (en) * | 1995-12-20 | 1999-07-29 | Koenig & Bauer Ag | Guide device for sheets on storage drums |
-
2002
- 2002-07-23 CN CNB2005100999558A patent/CN100434271C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104044338A (en) * | 2013-03-11 | 2014-09-17 | 海德堡印刷机械股份公司 | Format Change Of Pneumatic Drum |
| CN104742496A (en) * | 2013-12-30 | 2015-07-01 | 江苏昌昇集团股份有限公司 | Double-sided monochrome hard pressing soft offset press |
| CN111225797A (en) * | 2017-10-13 | 2020-06-02 | 柯尼格及包尔公开股份有限公司 | Sheet-processing machine with sheet-conveying device and method for conveying sheets to a sheet-feeding system by means of a sheet-guiding roller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100434271C (en) | 2008-11-19 |
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Owner name: MITSUBISHI HEAVY INDUSTRIES PRINTING+PACKAGING MAC Free format text: FORMER OWNER: MITSUBISHI JUKOGIO KK Effective date: 20100916 |
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Granted publication date: 20081119 Termination date: 20110723 |