CN102189749A - Device for turning pages during period of transporting page to pass through printer - Google Patents
Device for turning pages during period of transporting page to pass through printer Download PDFInfo
- Publication number
- CN102189749A CN102189749A CN201010622051XA CN201010622051A CN102189749A CN 102189749 A CN102189749 A CN 102189749A CN 201010622051X A CN201010622051X A CN 201010622051XA CN 201010622051 A CN201010622051 A CN 201010622051A CN 102189749 A CN102189749 A CN 102189749A
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- China
- Prior art keywords
- page
- month
- leaf
- tube
- edge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000007639 printing Methods 0.000 claims description 17
- 238000005452 bending Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims 4
- 230000001105 regulatory effect Effects 0.000 claims 2
- 230000001143 conditioned effect Effects 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 claims 1
- 230000007246 mechanism Effects 0.000 description 16
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F21/00—Devices for conveying sheets through printing apparatus or machines
- B41F21/10—Combinations of transfer drums and grippers
- B41F21/106—Combinations of transfer drums and grippers for reversing sheets, e.g. for perfecting machine
- B41F21/108—Combinations of transfer drums and grippers for reversing sheets, e.g. for perfecting machine with pneumatic means
Landscapes
- Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
Abstract
The invention relates to a device for turning pages during a period of transporting pages to pass through a printer, comprising a first transfer tube (14) comprising gripper systems (19, 20, 23, 24) for holding an edge of the page (22) moving forwards and backwards; a second transfer tube (15) comprising a gripper system (21) for bearing and receiving an edge of the page (22) moving backwards on the first transfer tube (14); devices (38, 45-48) for opening the grippers of the gripper systems (19, 20) on the edge of the page (22) moving forwards; at least one driver for leading the transfer tubes (14, 15) to be synchronously rotated in surrounding the parallel axis (40), wherein the opening time points of the grippers of the gripper systems (19, 20) on the edge of the page (22) moving forwards can be adjusted according to the flexural rigidity of the page (22).
Description
Technical field
The present invention relates to a kind ofly be used to make page or leaf to open at an equipment of carrying through overturning during the printing machine as claim 1 is as described in the preamble.
Background technology
In order to make multicolour sheet-fed offset press keep low manufacturing cost, printing mechanism is configured to only be used for printing on the one side that page or leaf is opened, and printing mechanism can make with high repetitive rate thus.If will be on the two sides on the sheet-fed press of printing mechanism with arranged in series printed pages, be provided with a page or leaf turning device being used to print between positive last printing mechanism and the back to back printing mechanism that is used for printed back.Traditional turning device transmits tube, a storage barrel and a upset tube by one between the impression cylinder of described printing mechanism and forms.Transmit tube and have the tooth system of holding in the month that is used to keep a page or leaf leading edge.Storage barrel has the double big diameter of impression cylinder and has two hold in the month tooth system and two that are used to keep page or leaf to open leading edge and is used for keeping page or leaf to open an antemarginal drawing-in type holding tooth system in the month.Upset tube has jaw type and holds tooth system in the month, be used to remain on the storage barrel after the page or leaf Zhang Bianyuan that advances.The cylinder that all guide pages are opened is for example synchronously driven by revolution by gear drive.
Storage barrel and upset tube hold tooth system in the month respectively by holding the single tooth of holding in the month that the tooth closed line arranges in the month and form along straight.Hold the rotation that the tooth closed line is parallel to storage barrel or upset tube respectively in the month.Look up from the axle of the storage barrel and the tube that overturns, the tooth closed line of holding in the month of upset tube and storage barrel constitutes a common tangent line when page or leaf is opened transfer, and the center line that passes rotation passes this tangent line and extends.
In order to overturn, page or leaf is opened by the tooth system of holding in the month that page or leaf is opened leading edge that is used for that tooth system is transferred to storage barrel of holding in the month that transmits tube.Page or leaf is opened the drawing-in type of attaching troops to a unit that back edge is stored tube and is held tooth system in the month and keep during rotating on the storage barrel.Page or leaf is opened by the leading edge of storage barrel and is held tooth system in the month in tangent line next door process.When the back edge of opening when page or leaf reached this tangent line, the jaw type that proceeds to the upset tube was held the transfer of tooth in the month.Page or leaf is opened by the side face from storage barrel and is peeled off when cylinder continues revolution, and at this moment the drawing-in type swabbing action of holding tooth in the month stops.When the leading edge of described storage barrel under the situation of predetermined corner was held tooth system in the month and opened, the freely stage of going at express speed that page or leaf is opened began.Page or leaf is opened the jaw type only be reversed tube on a page or leaf Zhang Bianyuan and is held tooth in the month and keep, and opens the tooth system of holding in the month of the impression cylinder that is transmitted to the downstream up to page or leaf.
Page or leaf is opened to be held in the month by jaw type when breaking away from storage barrel on the edge that tooth grasps and is had and the different speed of new back edge of freely going at express speed.Leaving before the storage barrel, following page or leaf is opened the path velocity motion of back edge with storage barrel.Antemarginal speed that then should future is reduced to zero.Then this antemarginal direction of motion changes to the path velocity of being held in the month the rotation generation of tooth by the jaw type of upset tube from zero.
Based on velocity variations, page or leaf is opened because dynamic power effect and other external disturbance power depart from its desirable track.Open at the page or leaf of the free leading of rear edge and to be tending towards impacting ripple and by impacting the member and the director element bump of effect and storage barrel, this causes the print result do not expected.
The leading edge of described storage barrel is held tooth and suction in the month and is held tooth in the month and be adjusted to toward each other in a circumferential direction on the length that page or leaf described to be carried opens.The leading edge of described storage barrel is held opening of tooth in the month and is utilized the control cam that is fixed on the frame to realize.Described control cam is provided with according to described page or leaf Zhang Changdu in a circumferential direction.The page or leaf Zhang Yuqi thickness of equal length or its bending rigidity are irrespectively held in the month the tooth from described leading edge on the same position of rotation of described storage barrel all the time to be discharged.
Summary of the invention
Task of the present invention is, provides a kind of and is used to make page or leaf to open at the equipment of carrying through overturning during the printing machine, and it can pass through to improve page or leaf and open the better print result of guiding realization.
Described task solves by a kind of equipment with claim 1 feature.Favourable configuration is drawn by dependent claims respectively.
According to the present invention, in a kind of tube of turning device, the grippers of the edge of preceding advancing open time point except page or leaf Zhang Changdu also according to treating that bending rigidity and/or grammes per square metre that conveying of sheet is opened regulate.The page or leaf that bending rigidity is bigger is opened and is being carried on the page or leaf more less than a bending rigidity short angle range on the tube.By the present invention, the free flight stage that the page or leaf of putting upside down is opened adapts to bending rigidity, makes described page or leaf Zhang Buhui or can contact with machine part hardly.
Description of drawings
Describe the present invention by embodiment below, accompanying drawing is represented:
Two printing mechanisms and a turning device of Fig. 1 sheet-fed press,
Fig. 2 is the device of opening time point that is used to change the leading edge grippers of storage barrel.
The specific embodiment
Fig. 1 represents two printing mechanisms 1,2 of sheet-fed press, and each printing mechanism respectively has the wetting mechanism of an inking mechanism 3,4,5,6, plate cylinder 7,8, a transfer cylinder 9,10 and an impression cylinder 11,12.Have a turning device between printing mechanism 1,2, this turning device has one and transmits 13, storage barrels 14 of tube and a upset tube 15.All cylinders and tube are coupled with a gear train and turn round on the direction of arrow.Impression cylinder 11,12 transmits tube 13, and storage barrel 14 and upset tube 15 have the tooth system of holding in the month 16-21, is used for keeping page or leaf to open 22 on the page or leaf Zhang Bianyuan that is preceding advancing.Storage barrel 14 additionally has drawing-in type and holds tooth system 23,24 in the month, be used to keep page or leaf open 22 after the page or leaf Zhang Bianyuan that advances.Be provided with pneumatic page or leaf along page or leaf 22 transport path between storage barrel 14 and the upset tube 15 and open guiding device 25-27, open guiding device discharge winding-up air 28 and input suction air 29 by these pages or leaves.Drawing-in type is held tooth system 23,24 in the month and is fed by the pneumatic swivel joint 30 on the axle journal 31 of storage barrel 14.Draw the suction channel 32 of the suction interface that leads to sucktion fan 33 by swivel joint 30.This suction interface is connected with a bypass air valve 34 again, and this valve can be by 35 controls of a motor.By transmitting the position of rotation of the corner transmitter 36 detection of stored tubes 14 on the tube 13.Corner transmitter 36, motor 35 and blower fan 33 are connected with control device 37.
Fig. 2 be shown specifically storage barrel 14 hold in the month tooth system 19,20 hold in the month tooth be how to open with open angle α how adjustablely be.For the tooth of holding in the month of holding tooth system 19,20 in the month is opened, a control cam 38 is set, this control cam is fixed on the adjusting gear 39.This adjusting gear 39 is arranged to and can be rotated around the rotation 40 of described storage barrel 14.Pinion 41 with a governor motor 42 couplings is engaged in the toothing of described adjusting gear 39.This motor 42 is connected with described control device 37.
The described tooth of holding in the month of holding tooth system 19,20 in the month is sat respectively and is placed on the gripper bite shaft 43,44, and described gripper bite shaft can swingingly be supported around an axis that is fixed on the tube respectively.These gripper bite shafts 43,44 are connected with roller lever 45,46, and roller 47,48 is bearing on the end of described roller lever, and these rollers cooperate with described control cam 38 during described storage barrel 14 revolutions.
Before handling print order, incoming page is opened 22 spread length and thickness in control device 37.The data computation of opening 22 described length and described thickness by page or leaf in control device 37 is used for the conditioning signal of motor 42.By means of described motor 42 and described gear drive 41,39 described control cam 38 is placed a position of rotation α with respect to horizontal line 49, described position of rotation is opened 22 described length and thickness or bending rigidity by described page or leaf and is drawn.Described control cam 38 is fixed in the described position of rotation by means of brake 50.The brake 50 that has friction can be by means of described control device 37 remote adjustment.Described angle [alpha] characterizes the position of rotation of described storage barrel 14, and in this position of rotation, the described leading edge of holding tooth system 19 or 20 in the month is held tooth in the month and opened.Open the different anglec of rotation α of controlled cam 38 under 22 the situation at the different page or leaf of bending rigidity.Described angle [alpha] is opened at the rigidity page or leaf and is adjusted under 22 the situation less than opening at the less page or leaf of rigidity under 22 the situation.
Opened big angle [alpha] at 22 o'clock at the page or leaf that the conveying bending strength is less
1Be favourable, upset and impact efferent echo uncontrollably suddenly because unclamping too early will make described page or leaf open 22, they will cause with machine part do not expect contact.The page or leaf that approaches, bending rigidity is less is opened 22 outlines that center on described storage barrel 14 under the situation that does not have big compressing power and is placed.Can stand described page or leaf at this and open 22 and contact described storage barrel 14 in the moment of its conversion direction, wherein, the impulsive force of appearance is not enough so that described page or leaf is opened 22 the back side damages.
When opening, the board pages of carrying rigidity adjusts little angle [alpha]
2The release of described leading edge is opened the conversion of 22 direction early than page or leaf significantly and is carried out.Open 22 when only moving slippingly when the rigidity page or leaf on trailing edge, this rigidity page or leaf Zhang Buhui impacts efferent echo.The page or leaf of rigidity opens 22 mutually in the free space of slippages straight below described upset tube 15 and described storage barrel 14 and do not run on the member of described printing mechanism or do not rub on described storage barrel 14.If the page or leaf of a rigidity open 22 on described storage barrel 14 in described angle [alpha]
1In time, just be released, then since its bending rigidity and this page or leaf open 22 and described storage barrel 14 between the significant contact force of appearance.Not long ago just be released in its direction conversion if the page or leaf of a rigidity opens 22, then this page or leaf is opened 22 and is still contacted with described storage barrel 14, and it is with respect to relative motion increase and also no reduction of contact force of this storage barrel 14.This will cause cut under the situation at a page or leaf back side of sensitivity.Therefore α is proposed according to the present invention
1＞α
2Be significant.
REFERENCE NUMBER LIST
1,2 printing mechanism
3,4 inking mechanisms
5,6 wetting mechanisms
7,8 plate cylinders
9,10 transfer cylinder
11,12 impression cylinders
13 transfer drums
14 storage barrels
15 upset tubes
16-21 holds tooth system in the month
Open for 22 pages
23,24 drawing-in types are held tooth system in the month
The 25-27 page or leaf is opened guiding device
28 winding-up air
29 suction airs
30 swivel joints
31 axle journals
32 suction channels
33 sucktion fans
34 bypass air valves
35 motors
36 corner transmitters
37 control device
38 control cams
39 adjusting gears
40 rotations
41 pinions
42 governor motors
43,44 gripper bite shafts
45,46 roller levers
47,48 rollers
49 horizontal lines
50 brakes
Claims (5)
1. one kind is used to make page or leaf to open at the equipment of carrying through overturning during the printing machine, has:
First transmits tube (14), this first transmit tube have be used to keep described page or leaf open (22) preceding advance and after the edge of advancing hold tooth system (19,20,23,24) in the month;
Second transmits tube (15), this second transmit tube have be used to accept described page or leaf open (22) described first transmit tube (14) go up after the edge of advancing hold tooth system (21) in the month;
Be used to make hold in the month tooth system (19,20) described first transmit tube (14) the edge of preceding advancing hold in the month the device that tooth opens (38,45-48);
At least one is used to make described transmission tube (14,15) around the synchronous rotating driver of its parallel axis (40),
It is characterized in that, described hold in the month tooth system (19,20) described first transmit tube (14) hold opening time point and can regulating of tooth in the month in the edge of preceding advancing according to the bending rigidity that described page or leaf is opened (22).
2. according to the equipment of claim 1, it is characterized in that: the described time point of opening can additionally be regulated according to the grammes per square metre of described page or leaf (22).
3. according to the equipment of claim 1, it is characterized in that: a control cam (38) is set is used to open the described tooth system (19 of holding in the month, 20) the tooth of holding in the month in the edge of preceding advancing at the described first transmission tube (14), this control cam can be conditioned around described first axis (40) that transmits tube (14).
4. according to the equipment of claim 3, it is characterized in that: described control cam (38) is fixed on one and regulates on the adjusting gear (39) of transmission device (41,42).
5. according to the equipment of claim 4, it is characterized in that: a motor (42) that is connected with described control device (37) acts on the described adjusting transmission device (41).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010011251 | 2010-03-12 | ||
| DE102010011251.8 | 2010-03-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102189749A true CN102189749A (en) | 2011-09-21 |
| CN102189749B CN102189749B (en) | 2015-01-07 |
Family
ID=44508097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010622051.XA Active CN102189749B (en) | 2010-03-12 | 2010-12-30 | Device for turning pages during period of transporting page to pass through printer |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102189749B (en) |
| DE (1) | DE102011011119A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104080618A (en) * | 2011-10-31 | 2014-10-01 | 惠普印迪戈股份公司 | Duplex section |
| CN109624499A (en) * | 2017-10-06 | 2019-04-16 | 海德堡印刷机械股份公司 | Printing machine with turnover mechanism and guide mechanism |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1216501A (en) * | 1996-04-20 | 1999-05-12 | 海德堡印刷机械股份公司 | Turning devices for printing presses, especially rotary offset printing presses |
| CN1365889A (en) * | 2001-01-18 | 2002-08-28 | 海德堡印刷机械股份公司 | Apparatus for turning plane printed matter in half turning paper treating machine |
| CN1608847A (en) * | 2003-10-22 | 2005-04-27 | 海德堡印刷机械股份公司 | Apparatus for conveying sheets through a printing machine |
| CN101125479A (en) * | 2006-08-16 | 2008-02-20 | 海德堡印刷机械股份公司 | Apparatus for opening and pivoting a turner gripper in a sheet processing machine |
| DE102007049643A1 (en) * | 2006-11-06 | 2008-05-08 | Heidelberger Druckmaschinen Ag | Method for applying curvature during conveyance via a press machine |
| CN101177063A (en) * | 2006-11-10 | 2008-05-14 | 海德堡印刷机械股份公司 | Method and apparatus for turning a sheet during its transport through a printing press |
-
2010
- 2010-12-30 CN CN201010622051.XA patent/CN102189749B/en active Active
-
2011
- 2011-02-14 DE DE201110011119 patent/DE102011011119A1/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1216501A (en) * | 1996-04-20 | 1999-05-12 | 海德堡印刷机械股份公司 | Turning devices for printing presses, especially rotary offset printing presses |
| CN1365889A (en) * | 2001-01-18 | 2002-08-28 | 海德堡印刷机械股份公司 | Apparatus for turning plane printed matter in half turning paper treating machine |
| CN1608847A (en) * | 2003-10-22 | 2005-04-27 | 海德堡印刷机械股份公司 | Apparatus for conveying sheets through a printing machine |
| CN101125479A (en) * | 2006-08-16 | 2008-02-20 | 海德堡印刷机械股份公司 | Apparatus for opening and pivoting a turner gripper in a sheet processing machine |
| DE102007049643A1 (en) * | 2006-11-06 | 2008-05-08 | Heidelberger Druckmaschinen Ag | Method for applying curvature during conveyance via a press machine |
| CN101177063A (en) * | 2006-11-10 | 2008-05-14 | 海德堡印刷机械股份公司 | Method and apparatus for turning a sheet during its transport through a printing press |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104080618A (en) * | 2011-10-31 | 2014-10-01 | 惠普印迪戈股份公司 | Duplex section |
| CN104080618B (en) * | 2011-10-31 | 2017-02-15 | 惠普印迪戈股份公司 | Duplex section |
| CN109624499A (en) * | 2017-10-06 | 2019-04-16 | 海德堡印刷机械股份公司 | Printing machine with turnover mechanism and guide mechanism |
| CN109624499B (en) * | 2017-10-06 | 2022-02-22 | 海德堡印刷机械股份公司 | Printing machine with a turning mechanism and a guide mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102189749B (en) | 2015-01-07 |
| DE102011011119A1 (en) | 2011-09-15 |
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