CN103009801B - Digital printing roller - Google Patents
Digital printing roller Download PDFInfo
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- CN103009801B CN103009801B CN201210477846.5A CN201210477846A CN103009801B CN 103009801 B CN103009801 B CN 103009801B CN 201210477846 A CN201210477846 A CN 201210477846A CN 103009801 B CN103009801 B CN 103009801B
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- roller
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Abstract
The invention relates to a digital printing roller which is characterized in that a gripper mechanism adopts a gripping tooth and vacuum nozzle combined structure; a plurality of gripping teeth extending in the axial direction of the roller are mounted at the front end of the roller and are used for occluding the front end of paper; a plurality of vacuum nozzles extending in the axial direction of the roller are arranged at the tail part of the roller and are used for adsorbing the tail end of paper; and the roller adopts an axial and circumferential breadth adjustable structure. As to the paper, the printing roller receives paper from a paper transmitting roller through the gripping teeth, when the tail end of paper passes through a joint point, the nozzles at the tail part of the roller adsorb paper, and then an automatic paper tail end spreading mechanism is used for controlling the vacuum nozzles to rotate to enable air suction surfaces of the vacuum nozzles to deflect towards two sides to flatten paper, so as to ensure the flatness of paper in the ink jet process; the roller can be adjusted axially through controlling the opening/closing quantity of the vacuum nozzles according to the size of paper breadth; a breadth adjusting block and a roller body are matched to realize circumferential breadth adjustment, so that the adjustment is convenient and quick; and the roller does not need to be dismantled and replaced, so that the use cost is reduced.
Description
Technical field
The present invention relates to a kind of digital printing cylinder, particularly one flattens and breadth adjustable digital printing cylinder from absorption.
Background technology
Printing is the technology that the graph text information on original copy is transferred on stock by use forme or other modes, is printed with various ways and is divided into: traditional offset printing, serigraphy, digital printing etc.Ink jet printing is the one of digital printing, ink jet printing must be passed through in the printed matter upper part such as label, electronic supervision code, bill and various counterfeit applications particular/special requirements or full content, it has two kinds of modes usually, one is adopt digital inkjet printer to complete the printing of full content needed for printed matter, its use cost is higher, be unfavorable for the printed matter made in enormous quantities, the scope of application is less; Also traditional offset press can be adopted to carry out the mode of off-line ink-jet, namely, after printed matter carries out the printing of common content on the printer, machine of again going up carries out needing the ink-jet printed of ink ejecting sections, and its shortcoming is: efficiency is low, easily there is waste product, add cost of labor and management cost.
Therefore there is the printing mechanism that a kind of offset printing combines with ink-jet, such as number of patent application 201120046397.X discloses the online ink-jet printing mechanism of a kind of offset press, ink-jet cylinder is set between transfer roller II and collecting cylinder, current ink-jet cylinder continues to use cylinder in offset printing press structure when designing, adopt and forward and backwardly sting the transmission that paper dental structure carries out paper, so that smooth sheets while realizing ink jet printing smoothly on offset press.But it exists certain shortcoming: if after fold appears in paper tail end, then cannot flatten paper, directly very large impact is caused on the quality of printing; And when realizing adjustment breadth, need to realize by changing plate cylinder, regulate inconvenient, and add the consumption of resource and the input of cost.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of digital printing cylinder, can carry out from adsorbing flattening, and axial and circumferential breadth is easy to adjust to paper.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of digital printing cylinder, comprise cylinder, its innovative point is: described gripper mechanism adopts the structure combined with vacuum slot of gritting one's teeth, some occlusion top of form of gritting one's teeth along cylinder axial distribution are installed in the front end of cylinder, and cylinder afterbody arranges some vacuum slots along cylinder axial distribution absorption paper end pin; Cylinder adopts circumferential breadth adjustable and afterbody vacuum slot absorption breadth adjustable structure.
Further, the end gas port of described vacuum slot is communicated with the tracheae be arranged on cylinder, tracheae with bleed with external gas source be connected.
Further, described tracheae with external gas source syndeton is: the axle sleeve comprising air-source inflow end and the sealing shroud coordinated with this axle sleeve, the periphery of axle sleeve has deep-slotted chip breaker circumferentially, at least one air flue is bored in the outer face of axle sleeve, air flue outer end is communicated with external gas source, and air flue the inner is communicated with deep-slotted chip breaker; Axle sleeve is set with the sealing shroud be slidably matched with axle sleeve outward, and sealing cover is connected and fixed with cylinder, and sealing shroud coordinates formation sealed air-space with the deep-slotted chip breaker of axle sleeve, and the inlet end of tracheae to be arranged on sealing shroud and to be communicated with sealed air-space.
Further, described vacuum slot is eccentric structure, and the afterbody of described cylinder arranges the mechanism automatically driving eccentric vacuum slot rotary expansion paper end pin.
Further, described paper end pin Automatic-expanding mechanism structure is: comprise pinion, tooth bar, drawing plate, line slideway, spin, edge cam and stage clip, the body of vacuum slot and inlet scoop eccentric setting, the body of vacuum slot is set with pinion; Built-in drawing plate on cylinder, drawing plate is arranged on along drum shaft on the line slideway arranged, and drawing plate is installed the tooth bar engaged with pinion, and vacuum slot is divided into two groups, left and right, and the tooth bar engaged with the vacuum slot pinion of two groups, left and right is oppositely arranged; Installation end face cam on the wallboard of cylinder one end, one end of drawing plate arranges just to the spin of edge cam, and the other end arranges stage clip spin being propped up edge cam.
Further, described afterbody vacuum slot absorption breadth adjustable structure: the junction of described each vacuum slot and tracheae is all inserted with to open and close and controls plate, open and close and control plate there is an open/close through hole, open and close and control plate and realize vacuum slot by the position of control open/close through hole and to be communicated with tracheae or to close.
Further, described keying controls plate and also has a locating hole, and each vacuum slot side all arranges the locking ball of band spring, and locking ball can embed in the locating hole opening and closing and control plate.
Further, described cylinder circumference adjustment structure: comprise cylinder body, cylinder body has some grooves along the circumferential direction extended on the surface near neutral place, and make cylinder body surface form some arc comb A be parallel to each other, adjacent comb A is spaced a distance; Breadth adjustment block, the overall radian of breadth adjustment block is identical with cylinder body, and installs with cylinder body is concentric; The radian that breadth adjustment block has some the arc comb B be parallel to each other, arc comb B and arc comb A is identical, and the width of arc comb B just can embed between the gap of adjacent arc comb A formation; Adjustment block rotating mechanism, for adjusting the cross-coincidence degree of cylinder body and breadth adjustment block comb structure.
Further, described adjustment block rotating mechanism is specially: breadth adjustment block is provided with one section of tooth block concentric with cylinder, wallboard is arranged the regulating shaft that can move axially, regulating shaft front end arranges the adjusting gear that can engage with tooth block after axis moves, regulating shaft is installed the dowel hole of two axial distribution, in dowel hole, be inserted with taper pin.
Further, the top of described cylinder is configured with the ink gun of two or more quantity.
Further, described ink gun is divided into two groups and is that line of demarcation is arranged on cylinder axis both sides with cylinder axis.
Further, stagger setting in two groups of ink gun intervals.
The invention has the advantages that: for paper, printing cylinder takes over paper from transfer roller by gritting one's teeth, when the tail of paper slightly holds paper by the suction nozzle of interface point back roll afterbody, controlling vacuum slot rotation by paper end pin Automatic-expanding mechanism makes its air draught flatten paper towards both sides deflection, and in guarantee ink jet process, paper is smooth.Cylinder can according to the size of paper breadth, afterbody vacuum slot absorption breadth is changed by the keying quantity controlling vacuum slot, realize the axis adjustment of breadth, coordinated by breadth adjustment block and cylinder body and realize the adjustment of circumferential breadth, fast easy to adjust, without the need to dismounting and change cylinder, reduce use cost, adopt the cylinder of this kind of structure, its sheet-fed breadth reaches 1020*720mm.Ink gun is rationally distributed, and the printed matter be handed off on digital printing cylinder after front portion is common printed, then is carried out the printing of ink ejecting sections by printed matter by ink gun.
Accompanying drawing explanation
Fig. 1 is digital printing drum configuration figure in the present invention.
Fig. 2 is along A-A line profile in Fig. 1.
Fig. 3 is along E-E line profile in Fig. 1.
Fig. 4 is along G-G line profile in Fig. 1.
Fig. 5 is digital printing cylinder longitudinal sectional drawing in the present invention.
Fig. 6 is the axle sleeve structure schematic diagram of air-source inflow end in the present invention.
Fig. 7 is paper end pin Automatic-expanding mechanism structural representation in the present invention.
Fig. 8 is paper end pin Automatic-expanding mechanism's middle rack and gear position relation schematic diagram in the present invention.
Fig. 9 is paper end pin Automatic-expanding mechanism partial sectional view in the present invention.
Figure 10 is that in the present invention, in paper end pin Automatic-expanding mechanism, vacuum slot flattens schematic diagram.
Figure 11 is afterbody vacuum slot absorption breadth adjustable structure schematic diagram in the present invention.
Figure 12 is intermediate roll of the present invention circumference breadth adjustable structure schematic diagram.
Figure 13 is the front view of ink gun and cylinder in the present invention.
Figure 14 is the top view of ink gun and cylinder in the present invention.
Detailed description of the invention
As shown in Figure 1,5, cylinder 1 two ends of the digital printing cylinder in the present invention are bearing in axle sleeve 3 by bearing 2, and axle sleeve 3 and wallboard 4 are connected and fixed.
As shown in Figure 3, the gripper mechanism of intermediate roll 1 of the present invention adopts 5 structures combined with vacuum slot 6 of gritting one's teeth, wherein, mechanism of gritting one's teeth is installed in the front end of cylinder 1, grited one's teeth by mechanism of gritting one's teeth some and 5 to coordinate with bite-block and be engaged top of form, cylinder afterbody arranges vacuum slot mechanism, adsorbs paper end pin by vacuum slots 6 along cylinder axial distribution some in vacuum slot mechanism.
To grit one's teeth mechanism: it comprises the bite-block axle and axle of gritting one's teeth that be arranged in parallel, bite-block axle and axle of gritting one's teeth are arranged along the axis of cylinder, and bite-block axle, along the some bite-blocks of its axial distribution, correspondingly on axle of gritting one's teeth is provided with one group and grits one's teeth; As shown in Figure 3,4, the end of axle of gritting one's teeth is arranged opens tooth fork 51, and the spin 52 opened on tooth fork 51 is close to opening on tooth cam 53 of cylinder end all the time under the effect of axle torsion spring of gritting one's teeth.
By the height of opening tooth cam 53 and fork spin 52 coordinate control to grit one's teeth 5 folding thus reach the object that paper joins.It will be appreciated by those skilled in the art that mechanism of gritting one's teeth here is exemplary, is not restrictive.
Vacuum cup mechanism: it comprises some vacuum slots 6, and vacuum slot 6 is arranged on the afterbody of cylinder 1, and along cylinder 1 axial distribution; The end gas port of vacuum slot 6 is communicated with the tracheae 7 be arranged on cylinder 1, and tracheae 7 to be connected with external gas source with can bleed.
Further illustrate as of the present invention, external gas source with the syndeton of tracheae is: the axle sleeve comprising air-source inflow end and the sealing shroud coordinated with this axle sleeve, as shown in Figure 2,6, the periphery of axle sleeve 3 has deep-slotted chip breaker 32 circumferentially, the length of this deep-slotted chip breaker 32 will guarantee that the inlet end that tracheae 7 rotates rear tracheae 7 with cylinder 1 is still communicated with deep-slotted chip breaker 32; At least one air flue 31 is bored in the outer face of axle sleeve 3, and the outer end of air flue 11 is connected with external gas source, and air flue 31 the inner is communicated with deep-slotted chip breaker 32.The sealing shroud 8 that the outer suit of axle sleeve 3 at deep-slotted chip breaker 32 place is slidably matched with axle sleeve 3, sealing cover 8 is connected and fixed with cylinder 1, sealing shroud 8 coordinates formation arc sealed air-space with the deep-slotted chip breaker 32 of axle sleeve 3, and the inlet end of tracheae 7 to be arranged on sealing shroud 8 and to be communicated with sealed air-space.
Cylinder 1 is when action, and sealing shroud 8 is fitted in outside axle sleeve 3 all the time, to be bled generation negative pressure by axle sleeve air flue, sealed air-space, tracheae by external gas source to vacuum slot; When the tail of paper is slightly by after interface point, held the end pin of paper by vacuum slot.
Vacuum slot 6 is eccentric structure, and the afterbody of cylinder arranges the mechanism automatically driving eccentric vacuum slot rotary expansion paper end pin.
In the embodiment of the present invention, as shown in Fig. 7,8,9,10, paper end pin Automatic-expanding mechanism structure is: comprise pinion 91, tooth bar 92, drawing plate 93, line slideway 94, spin 95, edge cam 96 and stage clip 97.Vacuum slot 6 comprises suction nozzle body 61 and inlet scoop 62, and the end of suction nozzle body is communicated with air flue, and the front end of suction nozzle body 61 is inlet scoop 62, the pivot of inlet scoop 62 and suction nozzle body 61 eccentric setting; Suction nozzle body is set with pinion 91; Built-in drawing plate 93 on cylinder 1, drawing plate 93 is shaped as frame, drawing plate 93 is arranged on along on the axial line slideway 94 arranged of cylinder 1, the tooth bar 92 engaged with pinion 91 is installed in the inner side of drawing plate 93, vacuum slot 6 is axially divided into two groups in left and right at cylinder 1, the tooth bar 92 engaged with the vacuum slot pinion 91 of two groups, left and right is oppositely arranged, and makes drawing plate 93 when moving to a direction, and two groups, left and right vacuum slot 6 moving direction is contrary; Installation end face cam 96 on the wallboard 4 of cylinder 1 one end, one end of drawing plate 93 is arranged just to the spin 95 of edge cam 96, and the other end arranges stage clip 97, and under stage clip 97 acts on, spin 95 is clip end face cam 96 all the time.
Vacuum slot 6 rotates after holding paper tail, as shown in Figure 10, because the suction nozzle body 61 of vacuum slot 6 has an amount of bias as pivot and inlet scoop 62, rotated by suction nozzle body 61 after inlet scoop 62 holds paper and paper is slightly pulled flattening paper in direction to both sides and tail.
Those skilled in the art are to be understood that, above-mentioned flattened structure is exemplary, not circumscribed, also by other modes, eccentric suction nozzle is rotated, make its pivot and suction nozzle air draught face produce an amount of bias, and then paper is slightly pulled the object reaching and flatten paper in direction to both sides and tail.
The axial and circumferential breadth of the cylinder in the present invention all adopts adjustable structure.
Afterbody vacuum slot absorption breadth adjustable structure: change absorption breadth by the keying quantity controlling afterbody vacuum slot and realize.As shown in Figure 11,12,
Each vacuum slot 6 is all inserted with to open and close with the junction of tracheae 7 and controls plate 101, opens and closes to control plate 101 and have an open/close through hole 104, opens and closes control plate 101 and realizes vacuum slot 6 by the position of control open/close through hole and to be communicated with tracheae 7 or to close.
Be communicated with stability for improving vacuum slot 6 with tracheae 7, open and close control plate 101 and also have a locating hole, each vacuum slot 6 side all arranges the locking ball 103 of band spring 102, and locking ball 103 can embed in the locating hole 105 opening and closing and control plate.When locking ball 103 embeds locating hole 105, open/close through hole 104 is by vacuum slot 6 and tracheae 7 conducting.
Cylinder circumference breadth adjustable structure: for doubly footpath impression cylinder in the present embodiment, as shown in Fig. 2,12,
Comprise cylinder body 11, the cross section of cylinder body 11 is serpentine, cylinder is made to form two place's neutrals, comb-tooth-type structure is adopted in the end of cylinder body 11 serpentine, namely some grooves along the circumferential direction extended are had at cylinder body 11 near the surface at neutral place, make cylinder body 11 surface form some arc comb A be parallel to each other, adjacent comb A is spaced a distance;
Breadth adjustment block 12, the overall radian of breadth adjustment block 12 is identical with cylinder body 11, and installs with cylinder body 11 is concentric; Breadth adjustment block 12 two ends are arranged on by adapter sleeve 13 on the axle of cylinder body 11, breadth adjustment block 12 has some arc comb B be parallel to each other, arc comb B is identical with the radian of arc comb A, and the width of arc comb B just can embed between the gap of adjacent arc comb A formation;
The cross-coincidence of comb structures both breadth adjustment block 12 and cylinder body 11 adjust by adjustment block rotating mechanism realizes circumferential breadth and changes.
Adjustment block rotating mechanism is specially: breadth adjustment block 12 is provided with one section of tooth block 14 concentric with cylinder, wallboard 4 is arranged the regulating shaft 15 that can move axially, regulating shaft 15 front end arranges adjusting gear 16, regulating shaft 15 is installed the dowel hole 17 of two axial distribution.According to the size of paper breadth, when circumferential breadth needs to change, unclamp four set bolts 18 be connected in kidney slot 19 of breadth adjustment block 12 and cylinder body 11, the taper pin extracted in the dowel hole of inner side puts into outside dowel hole, promote adjusting gear 16 to the inside to make it to engage with tooth block 14, rotate adjustment gear 16 by spanner and tooth block 14 is rotated.Because tooth block 14 is fixed with adapter sleeve 13 and breadth adjustment block 12, so breadth adjustment block 12 is and then rotated, be tightened after adjustment bolt 18 again, realizes increase or the reduction of cylinder circumference breadth.
It will be appreciated by those skilled in the art that in the present embodiment, adjustment block rotating mechanism is only exemplary, is not restrictive.In addition, inevitable, cylinder is when adopting this kind of circumferential adjustable structure, and grit one's teeth and be arranged on neutral place, cylinder body front end, vacuum slot is then arranged in breadth adjustment block.
As shown in Figure 13,14, in the present invention digital printing cylinder cylinder 1 above be configured with the ink gun 20 of two or more quantity.Ink gun 20 is divided into two groups and is that line of demarcation is arranged on cylinder 1 axis both sides with cylinder axis, and ink gun 20 quantity is advisable with 6-10, two groups of ink gun 20 spaced settings of staggering when arranging.And then the printing demand of variable data in sheet-fed printing process can be met.
Operation principle:
When paper enters printing cylinder from transfer roller, take over paper by the mechanism of gritting one's teeth of drum front end, when the tail of paper slightly holds paper by the vacuum slot of interface point back roll afterbody;
After vacuum slot holds paper, utilize edge cam to promote drawing plate linearly to move in guide rail direction, two groups of vacuum slots are driven to rotate respectively by the tooth bar on drawing plate, as shown in Figure 10, left and right sides two groups of vacuum slots rotate from front, side to outermost respectively, utilize the amount of bias flattening paper rotating and produce, in guarantee ink jet process, paper is smooth.
During axial breadth adjustment, the keying at vacuum slot place only need be pulled to control plate, open/close through hole is left vacuum slot place, this vacuum slot can be closed.
During the adjustment of circumference breadth, drive the tooth block in breadth adjustment block to rotate by adjusting gear, and then drive breadth adjustment block to rotate, the comb structure of breadth adjustment block is moved between the comb of cylinder body, the cross-coincidence degree of both changes; And then realize cylinder and grit one's teeth and the change of vacuum slot creep distance.
Claims (9)
1. a digital printing cylinder, comprise cylinder, it is characterized in that: gripper mechanism adopts the structure combined with vacuum slot of gritting one's teeth, some occlusion top of form of gritting one's teeth along cylinder axial distribution are installed in the front end of cylinder, and cylinder afterbody arranges some vacuum slots along cylinder axial distribution absorption paper end pin; Cylinder adopts circumferential breadth adjustable and afterbody vacuum slot absorption breadth adjustable structure; The end gas port of described vacuum slot is communicated with the tracheae be arranged on cylinder, tracheae with bleed with external gas source be connected; Described tracheae with external gas source syndeton is: the axle sleeve comprising air-source inflow end and the sealing shroud coordinated with this axle sleeve, the periphery of axle sleeve has deep-slotted chip breaker circumferentially, at least one air flue is bored in the outer face of axle sleeve, air flue outer end is communicated with external gas source, and air flue the inner is communicated with deep-slotted chip breaker; Axle sleeve is set with the sealing shroud be slidably matched with axle sleeve outward, and sealing cover is connected and fixed with cylinder, and sealing shroud coordinates formation sealed air-space with the deep-slotted chip breaker of axle sleeve, and the inlet end of tracheae to be arranged on sealing shroud and to be communicated with sealed air-space.
2. digital printing cylinder according to claim 1, is characterized in that: described vacuum slot is eccentric structure, and the afterbody of described cylinder arranges the mechanism automatically driving eccentric vacuum slot rotary expansion paper end pin.
3. digital printing cylinder according to claim 2, it is characterized in that: the structure of the mechanism of described automatic driving eccentric vacuum slot rotary expansion paper end pin is: comprise pinion, tooth bar, drawing plate, line slideway, spin, edge cam and stage clip, the body of vacuum slot and inlet scoop eccentric setting, the body of vacuum slot is set with pinion; Built-in drawing plate on cylinder, drawing plate is arranged on along drum shaft on the line slideway arranged, and drawing plate is installed the tooth bar engaged with pinion, and vacuum slot is divided into two groups, left and right, and the tooth bar engaged with the vacuum slot pinion of two groups, left and right is oppositely arranged; Installation end face cam on the wallboard of cylinder one end, one end of drawing plate arranges just to the spin of edge cam, and the other end arranges stage clip spin being propped up edge cam.
4. digital printing cylinder according to claim 1, it is characterized in that: described afterbody vacuum slot absorption breadth adjustable structure: the junction of described each vacuum slot and tracheae is all inserted with to open and close and controls plate, open and close and control plate there is an open/close through hole, open and close and control plate and realize vacuum slot by the position of control open/close through hole and to be communicated with tracheae or to close.
5. digital printing cylinder according to claim 1, is characterized in that: described circumferential breadth adjustable structure:
Comprise cylinder body, cylinder body has some grooves along the circumferential direction extended on the surface near neutral place, and make cylinder body surface form some arc comb A be parallel to each other, adjacent comb A is spaced a distance;
Breadth adjustment block, the overall radian of breadth adjustment block is identical with cylinder body, and installs with cylinder body is concentric; The radian that breadth adjustment block has some the arc comb B be parallel to each other, arc comb B and arc comb A is identical, and the width of arc comb B just can embed between the gap of adjacent arc comb A formation;
Adjustment block rotating mechanism, for rotating the cross-coincidence degree of adjustment cylinder body and breadth adjustment block comb structure.
6. digital printing cylinder according to claim 5, it is characterized in that: described adjustment block rotating mechanism is specially: breadth adjustment block is provided with one section of tooth block concentric with cylinder, wallboard is arranged the regulating shaft that can move axially, regulating shaft front end arranges the adjusting gear that can engage with tooth block after axis moves, regulating shaft is installed the dowel hole of two axial distribution, in dowel hole, be inserted with taper pin.
7. digital printing cylinder according to claim 1, is characterized in that: the top of described cylinder is configured with the ink gun of two or more quantity.
8. digital printing cylinder according to claim 7, is characterized in that: described ink gun is divided into two groups and is that line of demarcation is arranged on cylinder axis both sides with cylinder axis.
9. digital printing cylinder according to claim 8, is characterized in that: stagger setting in described two groups of ink gun intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210477846.5A CN103009801B (en) | 2012-11-22 | 2012-11-22 | Digital printing roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210477846.5A CN103009801B (en) | 2012-11-22 | 2012-11-22 | Digital printing roller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103009801A CN103009801A (en) | 2013-04-03 |
| CN103009801B true CN103009801B (en) | 2015-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210477846.5A Expired - Fee Related CN103009801B (en) | 2012-11-22 | 2012-11-22 | Digital printing roller |
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| Country | Link |
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| CN (1) | CN103009801B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113183528A (en) * | 2021-05-08 | 2021-07-30 | 南京卓能机械设备有限公司 | Separating traction device |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3036790C2 (en) * | 1980-09-30 | 1982-11-11 | Heidelberger Druckmaschinen Ag, 6900 Heidelberg | Sheet transfer drum for sheet-fed rotary printing machines that can be converted to perfecting |
| JPH0655502B2 (en) * | 1986-04-21 | 1994-07-27 | 株式会社小森コーポレーション | Paper edge tension device of sheet-fed printing machine with reversing mechanism |
| JPH04153039A (en) * | 1990-10-17 | 1992-05-26 | Sumitomo Heavy Ind Ltd | Suction device of paper feed cylinder for printer |
| DE4223555A1 (en) * | 1991-08-12 | 1993-02-18 | Koenig & Bauer Ag | DRUM FOR TRANSPORTING BOWS |
| DE4221927C2 (en) * | 1992-07-03 | 2000-12-21 | Heidelberger Druckmasch Ag | Sheet delivery on a printing press |
| FR2693946B1 (en) * | 1992-07-15 | 1995-03-31 | Heidelberger Druckmasch Ag | Method and device for starting / stopping the turning of sheets and adjusting the format in the transport of sheets through a printing machine. |
| JP2001294348A (en) * | 2000-04-12 | 2001-10-23 | Toray Eng Co Ltd | Sheet-like object mounting device in printing machine |
| CN2706317Y (en) * | 2004-05-11 | 2005-06-29 | 营口冠华胶印机有限公司 | Offset printing machine paper transfer turnover mechanism |
| EP2391510A1 (en) * | 2009-01-27 | 2011-12-07 | manroland AG | Storage drum assembly and sheetfed printing press equipped therewith |
| CN202021922U (en) * | 2011-02-24 | 2011-11-02 | 江苏昌昇集团股份有限公司 | On-line inkjet printing mechanism of offset press |
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2012
- 2012-11-22 CN CN201210477846.5A patent/CN103009801B/en not_active Expired - Fee Related
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Granted publication date: 20150610 Termination date: 20171122 |