CN1706735A - Apparatus for conveying sheets through a printing machine - Google Patents
Apparatus for conveying sheets through a printing machine Download PDFInfo
- Publication number
- CN1706735A CN1706735A CNA2005100712793A CN200510071279A CN1706735A CN 1706735 A CN1706735 A CN 1706735A CN A2005100712793 A CNA2005100712793 A CN A2005100712793A CN 200510071279 A CN200510071279 A CN 200510071279A CN 1706735 A CN1706735 A CN 1706735A
- Authority
- CN
- China
- Prior art keywords
- paper
- guiding roller
- guiding
- respect
- band
- 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.)
- Pending
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
- B65H29/68—Reducing the speed of articles as they advance
- B65H29/686—Pneumatic brakes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2220/00—Function indicators
- B65H2220/09—Function indicators indicating that several of an entity are present
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/50—Auxiliary process performed during handling process
- B65H2301/51—Modifying a characteristic of handled material
- B65H2301/512—Changing form of handled material
- B65H2301/5124—Stretching; Tentering
- B65H2301/51242—Stretching transversely; Tentering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/50—Auxiliary process performed during handling process
- B65H2301/51—Modifying a characteristic of handled material
- B65H2301/512—Changing form of handled material
- B65H2301/5125—Restoring form
- B65H2301/51256—Removing waviness or curl, smoothing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/20—Belts
- B65H2404/25—Driving or guiding arrangements
- B65H2404/251—Details of drive roller
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/20—Belts
- B65H2404/25—Driving or guiding arrangements
- B65H2404/252—Details of idler roller
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2406/00—Means using fluid
- B65H2406/30—Suction means
- B65H2406/32—Suction belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2801/00—Application field
- B65H2801/03—Image reproduction devices
- B65H2801/21—Industrial-size printers, e.g. rotary printing press
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
- Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
Abstract
An apparatus for conveying sheets through a printing machine allows driving a sheet transport belt obliquely with respect to the conveying direction with a simple configuration. In the apparatus for conveying sheets through a printing machine, at least one deflection roller has a conical running surface. At least one belt travels setting in the deflection rollers running direction is oblique with respect to the sheet transport direction.
Description
Technical field
The present invention relates to a kind of device that is used for conveyance of sheets by printing machine.The present invention particularly can be applicable to paper sheet delivery to the pile in printer.
Background technology
Paper guiding and braking station in a kind of sheet collector at printer have been described, wherein the paper bar of leading placed side by side in the zone of not having the printing passage on the throughput direction in DE 39 39 212 A1.Lead the paper bar and have the longitudinal slot of oblique setting, they are applied in vacuum.This device also contains the suction roll with suction ring in addition, and these suction rings have public axle drive shaft on perpendicular to throughput direction.These suction rings are obliquely installed with respect to throughput direction as longitudinal slot.By the oblique position of these longitudinal slots and suction ring, paper obtains the pulling force transverse to throughput direction, and paper is tauted like this.
Its shortcoming is because oblique position must be provided with special and from but material-and the supporting structure of cost costliness and be coupled to the power-transfer clutch of the axle drive shaft of driving action.
Summary of the invention
Task of the present invention is, proposes a kind of device that is used for conveyance of sheets by printing machine, and its adopts simple device to make that the driving of paper sheet delivery band becomes possibility with respect to the oblique position of throughput direction the time.
According to the present invention, a kind of device that is used for conveyance of sheets by printing machine has been proposed, have at least one and be arranged on band on the guiding roller, wherein, the tape running direction is a bevelled with respect to sheet transport direction, and wherein, at least one guiding roller is that taper ground constitutes.
Other favourable configurations provide by following measure.
The present invention proposes, and band is arranged at least one guiding roller, and this guiding roller is configured to taper.
Advantageously, be provided with two guiding rollers, wherein the first guiding roller taper constitutes and the spherical formation of second guiding roller.
When using two guiding rollers, the tapered and ball-shaped of guiding roller preferable configuration of first driving, second guiding roller that is arranged on the downstream is configured to cylindrical and ball-shaped.At this, the rotation axis of bevelled guiding roller just in time is perpendicular to sheet transport direction.And the rotation axis of second guiding roller is with respect to 90 ° of the angle deviatings of sheet transport direction.
Advantageously, the axis of these guiding rollers has an acute angle between mutually.
Advantageously, be provided with two bands, they have two guiding rollers separately, and their tape running direction is dispersed symmetrically with respect to the sheet transport direction in the plane.
Advantageously, the guiding roller taper ground that is positioned at the sheet transport direction upstream constitutes and has the axis of concentric.
Advantageously, these bevelled guiding rollers can connect with a common actuating device.
Having under the situation of a plurality of bands, these bevelled guiding rollers can coaxial heart be arranged on the public axle drive shaft.Because the rotation axis of these bevelled guiding rollers and axle drive shaft is non-intersect, so provided simple, standardized bearing arrangement.
Advantageously, in printer, on these guiding rollers, be provided with the band that at least one has some suction holes during conveyance of sheets, for this band has disposed an aspirator system.
When using a plurality of suction formula bands as the paper drg in the sheet collector at sheet-fed press, these inhale formula bands is oblique setting in couples with respect to the paper center, and wherein, a suction formula band that is positioned at the paper center can be positioned on the sheet transport direction.Be tilted to the outer suction formula band that moves leading on the guiding roller of taper respectively.The pyramidal structure of guiding roller plays a part as follows, promptly inhales the formula band and moves on guiding roller, does not have additional side direction guide piece.When these inhaled this configuration of formula band, paper was tauted on transverse to the paper service direction, so that do not form waveform on paper between suction formula band assembly.In the sheet collector of sheet-fed press, stably form pile like this.
Description of drawings
Followingly explain the present invention in more detail according to embodiment.Accompanying drawing illustrates:
Fig. 1: in the sheet collector of offset press, use the scheme drawing of braking station,
The scheme drawing of the braking station of Fig. 2: Fig. 1 and
The birds-eye view of the braking station of Fig. 3: Fig. 2.
The specific embodiment
Fig. 1 shows a printing device with impression cylinder 2.1 2 with the work of offset printing method.It with a paper at that time carrying by means of the processed direction of rotation direction arrow 5 expression by at impression cylinder 2.1 and the printed slot between the blanket cylinder 2.2 of cooperating with it, and in the present embodiment then be arranged on the impression cylinder 2.1, be used for clamping under the situation that the paper-transferring gripper of the end that moves ahead of paper 3 opens the paper-transferring gripper that passes on cylinder 2.3 that paper is submitted to one one circle at the gripping place.The corresponding transmission of paper 3 is then carried out to the cylinder 2.4 that passes on of in the present embodiment another half-turn by the cylinder 2.3 that passes on of a described circle, and this passes on cylinder 2.4 paper 3 is sent on the chain-linked conveyer 4 of sheet collector 1.Chain-linked conveyer has two on-cycle conveyer chains 6, in them respectively sidewall respectively of conveyer chain and chain type sheet collector 1 be adjacent to move along osed top chain orbital cycle according to work.Each conveyer chain 6 is twining two by each drive sprocket in the synchronously driven drive sprocket 7, the axis of these drive sprockets is aligned with each other, and by leading, each conveyer chain 6 is by the chain track of a closure like this by the jockey sprocket 8 in each one downstream that is positioned at drive sprocket 7 opposites with respect to the processed direction for each conveyer chain in the present embodiment.Between two conveyer chains, stretching the paper-transferring tooth system with grippers 9 by they carryings, their operations are by being arranged on the space between the grippers that passes on the cylinder 2.4, and be arranged at the grippers that passes on the cylinder 2.4 at this at described gripping and catching the paper of taking under the situation of the end that moves ahead of paper 3 at that time 3 before being about to open, paper is transported to a braking station 11 by paper means for communicating 10, and after paper is handed to braking station 11, opens.In braking station 11, paper braked on the collection speed littler than processed speed and after reaching it and at last paper is discharged, so that the paper 3 that has slowed down now strikes on the front edge backstop 12 at last and thereon and the paper 3 that under the situation of alignment on the lagging dege backstop 13 on its opposite, has arrived and/or the back then arrives with the front form a pile 14, it can descend by a jacking system, and the degree of decline is the same with the degree that pile 14 increases.For this jacking system, the platform 15 that only shows a carrying pile 14 in Fig. 1 is with this flat-bed of carrying, with the lifting chain 16 shown in the long and short dash line.These conveyer chains 6 are that a side and these jockey sprockets 8 are directed to by chain guide between the opposing party along its path at these drive sprockets 7, and they have determined the chain track of segment.In the present embodiment, by the segment conveyance of sheets 3 of the bottom in Fig. 1.The section that is passed through by described bottom segment of following the chain track is provided with one towards paper delivery face 17 this section, that constitute on paper means for communicating 10.Between paper delivery face and paper 3 that each transmits, preferably constitute a supporting air cushion thereon according to operation.For this reason, paper means for communicating 10 is provided with some blowing nozzles that are passed in the paper delivery face 17, for them, in Fig. 1 only typically for the symbolistic nozzle that jet pipe 18 forms totally are shown.In order to stop the mutual bonding of the paper that has printed in pile 14,11 path is equipped with dryer 19 and preventing stick dirty dusting device 20 from drive sprocket 7 to braking station at paper 3.For fear of paper delivery face 17 because dryer and overheated, a coolant loop is integrated in the paper means for communicating 10, and this coolant loop symbolically schematically illustrates by importing adapter 21 and derive adapter 22 to one on the cryogen tank 23 of paper delivery face 17 in configuration in Fig. 1.Described chain guide does not illustrate in Fig. 1.Yet its distribution in the present embodiment can be found out from the distribution of segment.
In Fig. 2, illustrate in greater detail braking station 11.Braking station 11 has five suction formula band assembly 24.1-24.5 that are parallel to throughput direction 25 settings of paper 3.These inhale the not printing zone that formula band assembly 24 can be positioned at paper 3 individually perpendicular to throughput direction 25.For this reason, these suction formula band assemblies 24 are bearing on the pilot bar 26, and this pilot bar is fixed on the support 27.1,27.2.Be provided with some stepping motor 28.1-28.5 as anchor drive, they connect with suction formula band assembly 24.1-24.5.Do not have separately on the motor shaft of stepping motor 28 and be provided with miniature gears 29 with relatively rotating, they engage in the chain 30, and its end is fixed on the support 27.1,27.2 and is parallel to pilot bar 26 location.Suction formula band assembly 24 contains suction formula band 31, and they are by the guiding roller leading.These inhale formula bands 31 by driven in synchronism, and its mode is, each guiding roller connects with an axle 32, and this axle is rotatably supported in the support 27.1,27.2.Axle 32 connects with a driving device 33 and a motor 34.31 times suction channel is arranged at suction formula band, they are connected with source of suction by pipeline 35.These pipelines 35 are arranged in the hose passages 36 movingly.On these suction formula band assemblies 24, fixing these lagging dege backstop 13.In order to mate the different longitudinal size specification of paper 3, all braking stations of describing in Fig. 2 11 comprise that suction formula band assembly 24 can locate on throughput direction 25 in sheet collector 1.
Shown in Fig. 3 is the birds-eye view of suction formula band assembly 24.1-24.5.Each inhales that formula band assembly 24.1-24.5 contains guiding roller 37.1-37.5 that useful axle 32 drives and with the guiding roller 38.1-38.5 of the driving of suction formula band 31.1-31.5.The axis of guiding roller 37.1-37.5 is axis 39 concentrics with axle 32.Axis 39 is perpendicular to the throughput direction of paper 3.Guiding roller 37.3,38.3 constitutes cylindrically, has the ball-shaped driving surface that is used to inhale formula band 31.3.The axis 40 of guiding roller 38.3 parallels to the axis 39.Suction formula band 31.3 is positioned at paper center 41 and is parallel to throughput direction 25 runnings.Guiding roller 37.1,37.2 and 37.4,37.5 constitutes the taper with cone angle gamma and has the spherical driving surface that is used to inhale formula band 31.1,31.2 and 31.4,31.5.Guiding roller 37.1,37.2 and 37.4,37.5 radius are increasing on the direction at paper center 41.Guiding roller 38.1,38.2 and 38.4,38.5 is configured to columniform, has the spherical driving surface that is used to inhale formula band 31.1,31.2 and 31.4,31.5.Guiding roller 38.1,38.2 and 38.4,38.5 is with respect to guiding roller 37.1,37.2 and 37.4,37.5 outwards dislocation and be provided with obliquely with angle [alpha] with respect to the vertical direction of throughput direction 25 on perpendicular to the direction of throughput direction 25, is symmetrical in paper center 41 with angle beta and stretches out sideling so that inhale formula band 31.1,31.2 and 31.4,31.5.By inhaling the oblique setting of formula band 31.1,31.2 and 31.4,31.5, paper 3 is tightened to the side during feeding on throughput direction 25, so that do not form waveform inhaling between the formula band assembly 24.1-24.4.Pile 14 can constitute quickly and more accurately like this.
Owing to play the guiding roller 37.1,37.2 of driving action and 37.4,37.5 pyramidal structure, needn't make their axis be provided with obliquely with respect to the axis 39 of axle 32.Suction formula band 31.1,31.2 and 31.4,31.5 with suction hole 42 extends with an angle by guiding roller 37.1,37.2 and 37.4,37.5 the conical shell face rotation axis 39 with respect to each guiding roller 37.1,37.2 and 37.4,37.5, and does not leave guiding roller 37.1,37.2 and 37.4,37.5 on lateral; 38.1,38.2 and 38.4,38.5 driving surface.
The reference number table
1 paper receiver
2 printing equipments
2.1 impression cylinder
2.2 blanket cylinder
2.3 a circle pass on cylinder
2.4 half-turn pass on cylinder
3 paper
3.1 paper
3.2 paper
3.3 paper
4 chain-linked conveyers
5 rotation direction arrows
6 conveyer chains
7 drive sprockets
8 jockey sprockets
9 paper-transferring tooth systems
10 paper means for communicating
11 braking stations
12 front edge backstops
13 lagging dege backstops
14 piles
15 platforms
16 lifting chains
17 paper delivery faces
18 jet pipes
19 dryers
20 preventing stick dirty dusting devices
21 ingress pipes
22 delivery lines
23 cryogen tank
24 inhale formula band assembly
24.1 inhale formula band assembly
24.2 inhale formula band assembly
24.3 inhale formula band assembly
25 throughput directions
26 pilot bars
27, the 27.1-27.2 support
28, the 28.1-28.5 stepping motor
29 miniature gearss
30 chains
31 inhale the formula band
32
33 drivings device
34 motors
35 pipelines
36 hose passages
37.1-37.5 guiding roller
38.1-38.5 guiding roller
39,40 axis
41 paper centers
42 suction holes
Claims (8)
1, a kind of device that is used for conveyance of sheets by printing machine has at least one and is arranged on band on the guiding roller, and wherein, the tape running direction is a bevelled with respect to sheet transport direction, it is characterized in that,
At least one guiding roller (37.1,37.2,37.4,37.5) is that taper ground constitutes.
2, according to the device of claim 1, it is characterized in that, be provided with two guiding rollers (37.1,37.2,37.4,37.5; 38.1,38.2,38.4,38.5), wherein first guiding roller (37.1,37.2,37.4,37.5) taper constitutes and second guiding roller (38.1,38.2,38.4,38.5) is spherical constitutes.
According to the device of claim 1, it is characterized in that 3, bevelled guiding roller (37.1,37.2,37.4,37.5) is configured to ball-shaped.
4, according to the device of claim 1, it is characterized in that these guiding rollers (37.1,37.2,37.4,37.5; 38.1,38.2,38.4,38.5) axis have an acute angle (α) between mutually.
5, according to the device of claim 1, it is characterized in that, in printer during conveyance of sheets at these guiding rollers (37.1,37.2,37.4,37.5; 38.1,38.2,38.4,38.5) on be provided with at least one band (31.1,31.2,31.4,31.5) with some suction holes (42), for this band has disposed an aspirator system (35).
According to the device of claim 1, it is characterized in that 6, be provided with two bands (31.1,31.2,31.4,31.5), they have two guiding rollers (37.1,37.2,37.4,37.5 separately; 38.1,38.2,38.4,38.5), their tape running direction is dispersed symmetrically with respect to the sheet transport direction (25) in the plane.
According to the device of claim 1, it is characterized in that 7, guiding roller (37.1,37.2,37.4,37.5) the taper ground that is positioned at sheet transport direction (25) upstream constitutes and have the axis (39) of concentric.
According to the device of claim 7, it is characterized in that 8, these bevelled guiding rollers (37.1,37.2,37.4,37.5) can connect with a common actuating device (32,33,34).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102004021598.7 | 2004-05-03 | ||
| DE102004021598 | 2004-05-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1706735A true CN1706735A (en) | 2005-12-14 |
Family
ID=35186256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005100712793A Pending CN1706735A (en) | 2004-05-03 | 2005-05-08 | Apparatus for conveying sheets through a printing machine |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20050242494A1 (en) |
| JP (1) | JP2005320166A (en) |
| CN (1) | CN1706735A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102649346A (en) * | 2011-02-28 | 2012-08-29 | 海德堡印刷机械股份公司 | Device for dusting printed or oil-coated page from below |
| CN114222709A (en) * | 2019-08-16 | 2022-03-22 | 富士胶片商业创新有限公司 | Paper conveying device and image forming device |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1854045B (en) * | 2005-04-28 | 2010-04-14 | 海德堡印刷机械股份公司 | Sheet delivering apparatus with sheet brake for a printer and the printer |
| JP2010076913A (en) * | 2008-09-26 | 2010-04-08 | Brother Ind Ltd | Automatic sheet conveyance device, automatic document reader, and image recording device equipped with the automatic document reader |
| ES2681961B1 (en) * | 2017-03-17 | 2019-06-27 | Simon Corrugated Machinery S L | Device and procedure for the transport of flexible sheets |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1220353A (en) * | 1916-02-21 | 1917-03-27 | Lindbladh Corp | Delivery device. |
| US4200016A (en) * | 1978-06-13 | 1980-04-29 | Rotographic Machinery | Apparatus for forming a horizontal stack of vertically oriented sheets |
| US5368287A (en) * | 1993-11-15 | 1994-11-29 | Pitney Bowes Inc. | Ninety degree turn-up apparatus |
-
2005
- 2005-03-18 US US11/083,856 patent/US20050242494A1/en not_active Abandoned
- 2005-05-02 JP JP2005134452A patent/JP2005320166A/en active Pending
- 2005-05-08 CN CNA2005100712793A patent/CN1706735A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102649346A (en) * | 2011-02-28 | 2012-08-29 | 海德堡印刷机械股份公司 | Device for dusting printed or oil-coated page from below |
| CN102649346B (en) * | 2011-02-28 | 2017-08-29 | 海德堡印刷机械股份公司 | Page dusting or the equipment of face powder through printing and/or scribbling gloss varnish are given from following |
| CN114222709A (en) * | 2019-08-16 | 2022-03-22 | 富士胶片商业创新有限公司 | Paper conveying device and image forming device |
| CN114222709B (en) * | 2019-08-16 | 2024-04-05 | 富士胶片商业创新有限公司 | Sheet conveying device and image forming apparatus |
| US11982967B2 (en) | 2019-08-16 | 2024-05-14 | Fujifilm Business Innovation Corp. | Sheet transport device and image forming apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005320166A (en) | 2005-11-17 |
| US20050242494A1 (en) | 2005-11-03 |
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