EP2448851A2 - Dispositif et procédé permettant de déposer des supports en forme de feuille en vue de former une pile - Google Patents

Dispositif et procédé permettant de déposer des supports en forme de feuille en vue de former une pile

Info

Publication number
EP2448851A2
EP2448851A2 EP10723156A EP10723156A EP2448851A2 EP 2448851 A2 EP2448851 A2 EP 2448851A2 EP 10723156 A EP10723156 A EP 10723156A EP 10723156 A EP10723156 A EP 10723156A EP 2448851 A2 EP2448851 A2 EP 2448851A2
Authority
EP
European Patent Office
Prior art keywords
abutment
tray
substrate
substrates
depositing
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.)
Granted
Application number
EP10723156A
Other languages
German (de)
English (en)
Other versions
EP2448851B1 (fr
Inventor
Soenke Christian Bluethgen
Franck Nagel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of EP2448851A2 publication Critical patent/EP2448851A2/fr
Application granted granted Critical
Publication of EP2448851B1 publication Critical patent/EP2448851B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B65H31/00—Pile receivers
    • B65H31/04—Pile receivers with movable end support arranged to recede as pile accumulates
    • B65H31/08—Pile receivers with movable end support arranged to recede as pile accumulates the articles being piled one above another
    • B65H31/10—Pile receivers with movable end support arranged to recede as pile accumulates the articles being piled one above another and applied at the top of the pile
    • 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
    • B65H29/24—Delivering or advancing articles from machines; Advancing articles to or into piles by air blast or suction apparatus
    • B65H29/245—Air blast devices
    • B65H29/246—Air blast devices acting on stacking devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H31/00—Pile receivers
    • B65H31/26—Auxiliary devices for retaining articles in the pile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H31/00—Pile receivers
    • B65H31/34—Apparatus for squaring-up piled articles
    • B65H31/36—Auxiliary devices for contacting each article with a front stop as it is piled
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/65—Apparatus which relate to the handling of copy material
    • G03G15/6538—Devices for collating sheet copy material, e.g. sorters, control, copies in staples form
    • 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
    • B65H2301/40—Type of handling process
    • B65H2301/42—Piling, depiling, handling piles
    • B65H2301/421—Forming a pile
    • B65H2301/4212—Forming a pile of articles substantially horizontal
    • 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
    • B65H2301/40—Type of handling process
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/446—Assisting moving, forwarding or guiding of material
    • B65H2301/4461—Assisting moving, forwarding or guiding of material by blowing air towards handled material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2405/00—Parts for holding the handled material
    • B65H2405/10—Cassettes, holders, bins, decks, trays, supports or magazines for sheets stacked substantially horizontally
    • B65H2405/11—Parts and details thereof
    • B65H2405/111—Bottom
    • B65H2405/1111—Bottom with several surface portions forming an angle relatively to each other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2405/00—Parts for holding the handled material
    • B65H2405/10—Cassettes, holders, bins, decks, trays, supports or magazines for sheets stacked substantially horizontally
    • B65H2405/11—Parts and details thereof
    • B65H2405/111—Bottom
    • B65H2405/1115—Bottom with surface inclined, e.g. in width-wise direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2405/00—Parts for holding the handled material
    • B65H2405/10—Cassettes, holders, bins, decks, trays, supports or magazines for sheets stacked substantially horizontally
    • B65H2405/11—Parts and details thereof
    • B65H2405/113—Front, i.e. portion adjacent to the feeding / delivering side
    • B65H2405/1136—Front, i.e. portion adjacent to the feeding / delivering side inclined, i.e. forming an angle different from 90 with the bottom
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2405/00—Parts for holding the handled material
    • B65H2405/10—Cassettes, holders, bins, decks, trays, supports or magazines for sheets stacked substantially horizontally
    • B65H2405/11—Parts and details thereof
    • B65H2405/114—Side, i.e. portion parallel to the feeding / delivering direction
    • B65H2405/1142—Projections or the like in surface contact with handled material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2405/00—Parts for holding the handled material
    • B65H2405/10—Cassettes, holders, bins, decks, trays, supports or magazines for sheets stacked substantially horizontally
    • B65H2405/14—Details of surface
    • B65H2405/141—Reliefs, projections
    • B65H2405/1412—Ribs extending in parallel to feeding/delivery direction
    • 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
    • B65H2406/10—Means using fluid made only for exhausting gaseous medium
    • B65H2406/11—Means using fluid made only for exhausting gaseous medium producing fluidised bed
    • B65H2406/112—Means using fluid made only for exhausting gaseous medium producing fluidised bed for handling material along preferably rectilinear path, e.g. nozzle bed for web
    • 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
    • B65H2801/12—Single-function printing machines, typically table-top machines
    • 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

Definitions

  • the present invention relates to a device for depositing substrates and to a method for depositing sheet-shaped substrates, in particular printing materials, in a printing machine so as to form a stack.
  • systems comprising lateral guides are known, where said lateral guides can be moved toward each other and away from each other in order to compress a substrate stack between them and, in turn, to release said stack, thus creating a defined lateral stack edge.
  • lateral guides can be moved toward each other and away from each other in order to compress a substrate stack between them and, in turn, to release said stack, thus creating a defined lateral stack edge.
  • such systems are only suitable for smaller stacks that allow the needed compression.
  • such systems are associated with high costs and are susceptible to trouble.
  • the object of the present invention is to create a device and a method for depositing sheet-shaped substrates, said substrates covering a wide range of substrates, with increased stacking accuracy, in particular in a direction transverse to the substrate transport direction, so as to form a stack on a tray.
  • a device for depositing sheet-shaped substrates, preferably printing materials, in a printing machine so as to form a stack, said device comprising a tray for receiving the substrates and comprising a lifting device for lifting and lowering said tray.
  • the tray has a tray surface that is tilted about a first axis and about a second axis, relative to a horizontal.
  • the device has as a first abutment with a first abutment surface and a second abutment with a second abutment surface, the first and the second abutment surfaces being arranged so as to be perpen- dicular to each other, and substrates deposited on the tray coming to abut against the first and the second abutment surfaces due to the tilting of the tray surface.
  • Such a device allows a high stacking accuracy because the alignment takes place on two abutments that are arranged perpendicularly with respect to each other.
  • One advantage of such substrate stacks is that they can be processed further without any intermediate steps. Further processing of the substrate stack may comprise binding of said stack, for example. Due to the appropriate double inclination of the tray, the substrates automatically move against the abutments, without requiring the use of expensive and complex mechanical systems. By lifting and lowering the tray, it is possible to maintain an essentially constant dropping height of the ejected substrates on the stacks.
  • the trays may be lifted and lowered in different ways. For example, it is possible to lower the tray by a certain distance after each ejection of a substrate sheets. Further, it is possible to lower the tray by a corresponding greater path distance, after each ejection of a prespecified number of substrate sheets.
  • the first axis is parallel to a printing material transport axis
  • the second axis extends perpendicularly to the first axis and is in a plane parallel to the tray surface.
  • the device comprises a gas supply arrangement having a gas outlet opening that is directed at the lowest point of the support surface.
  • the support surface may be the tray surface itself, on the one hand, or the substrates already on the tray surface, on the other hand.
  • the gas supply arrangement is disposed to guide a gas stream at the tray plane or the substrate surface in order to ensure a friction-reducing sliding of the sheet- shaped substrates against the abutments.
  • the substrates are also carried along by the gas stream.
  • the gas outlet opening is arranged at the height of a depositing plane for the substrates. Consequently, it can also be ensured that the gas supply unit generates an air cushion at the appropriate height, where subsequent substrates can slide on said air cushion in a friction-reduced manner against the abutments.
  • the gas outlet opening may be directed at a region between the first and the second abutment surfaces. This region is located in a corner of the tray, for example.
  • the first and/or the second abutment should be configured in such a manner that the gas stream may flow unimpaired past said abutments. This can be achieved, for example, in that the second abutment is at a sufficient distance from the first abutment such that the gas can flow through.
  • the second abutment could have holes, for example, or be configured as a wire bracket.
  • the gas supply unit may comprise a gas nozzle in order to increase the discharge speed of the gas stream, this potentially intensifying the friction-reducing effect on the substrates. Furthermore, the use of a gas nozzle makes it easier to achieve a desired direction of the gas stream.
  • the gas supply unit comprises a blower.
  • the gas supply unit comprises a blower.
  • the second abutment is arranged so as to be perpendicular to the tray surface. Due to the resultant 90° angle between the second abutment and the tray surface there is no distortion perpendicular to the substrate transport direction in the substrate stack located on the tray. In this context, distortion is intended to mean an angle of the stack in the direction toward the second abutment of less than 90°.
  • the second abutment is vertically arranged.
  • Such an arrangement of the second abutment has the advantage that the tray may be lowered vertically without increasing a distance to be traveled by the substrate up to the second abutment by lowering the tray.
  • the second abutment may be fastened directly to the tray.
  • the second abutment may be adjustably arranged on the tray.
  • the abutment may, in particular, be adjusted in such a manner that the path, which the substrate must slide transversely to the transport direction in the direction of the abutment, is minimized.
  • the adjustment of the abutment may be automatically performed by motors or other electrical, or pneumatic actuators. Inasmuch as, usually, most system controls of modern printing machines contain
  • this enables the determination of path information for the abutment and can, subsequently, be automatically translated into an abutment position, without the intervention of an operator.
  • the tray may comprise a linear guide for said abutment.
  • the abutment is mechanically adjusted, it is possible to provide - in another exemplary embodiment - a setting wheel by means of which the position of the second abutment can be adjusted.
  • the setting wheel may act on an axis that, in turn, acts - via a deflection - on the second abutment and thus adjusts said second abutment transversely with respect to the substrate transport direction.
  • the lifting device lifts and lowers the tray parallel to the second abutment surface. This ensures that the distance to be traveled by the substrate up to the second abutment remains the same, even with increasing stack height. In the case of the second abutment arranged perpendicularly to the tray surface, such lifting or lowering results in a deviation of the lifting and lowering direction from the vertical.
  • the first abutment may be part of a depositing member by means of which sheets are deposited on the tray.
  • This may be, for example, a rear wall of a printing machine, said wall being below a substrate output where the substrate will come to abut.
  • the first abutment may be inclined in such a manner that it forms a right angle with an adjacent region of the tray surface. If the tray is subsequently lifted or lowered parallel to the first abutment surface, it is possible - in combination with a second abutment provided vertically on the tray - to produce a substrate stack which neither displays a distortion in substrate transport direction nor transversely with respect thereto; i.e., a 90° angle is formed in both directions.
  • the tray surface may comprise a first and a second depositing region, said regions each being tilted differently from the horizontal about the second axis.
  • this can prevent a shifting of the substrates already present on the tray.
  • the object that is the basis of the invention is also achieved by a method for depositing sheet-shaped substrates, in particular printing materials, in a printing machine, wherein the sheet-shaped substrates are conveyed to a substrate support comprising a tray, and a first and a second abutment so as to form a stack.
  • the tray is rotated about a first axis that is parallel to a substrate transport axis and about a second axis that is perpendicular to the first axis and parallel to a tray plane.
  • the method comprises the lowering of the tray and the generating of a gas stream under a respective substrate that is being conveyed onto the tray, said gas stream being directed at a region between the first and the second abutments.
  • the sheet-shaped substrates are transported against the abutments due to the tilt and the gas stream, an air cushion generated by the gas stream reducing the friction between the sheet-shaped substrate and the tray surface or between a sheet-shaped substrate and a substrate that is already located on the tray.
  • an air cushion generated by the gas stream reducing the friction between the sheet-shaped substrate and the tray surface or between a sheet-shaped substrate and a substrate that is already located on the tray.
  • the tray is lowered parallel to the abutment surface of the second abutment.
  • the second abutment extends perpendicularly to the tray surface, which ensures a 90° angle of the substrate stack transverse to the substrate transport direction.
  • the second abutment is arranged vertically relative to a horizontal.
  • the first abutment may form a right angle with an adjacent region of the tray surface. Inasmuch as the tray surface is inclined relative to the horizontal, this causes the first abutment to also be inclined relative to the horizontal. Preferably, in this embodiment, the tray is lowered parallel to the first abutment surface, thus ensuring that the substrate stack displays an angle of 90° relative to the first abutment surface.
  • Fig. 1 a schematic side view of a stacker region of a printing machine comprising the inventive device for depositing a substrate;
  • Fig. 2 a schematic plan view of the device for depositing a substrate in accordance with Fig. 1;
  • Fig. 3 a schematic front view of the device for depositing a substrate in accordance with Fig. 1;
  • Fig. 4 a schematic perspective representation of the device for depositing a substrate in accordance with Fig. 1;
  • Fig. 5 a schematic plan view of an alternative device for depositing a substrate
  • Fig. 6 a schematic perspective representation of the alternative device for depositing a substrate
  • Fig. 7 a front view of the alternative device for depositing a substrate
  • Fig. 8 a schematic, perspective representation of the alternative device for depositing a substrate.
  • Fig. 9 a schematic side view of a printing machine comprising another alternative device for depositing a substrate.
  • Fig. 1 shows a schematic side view of a stacker region of a printing machine comprising a substrate output unit 1, a substrate depositing device 2, as well as a gas supply unit 3.
  • the substrate output unit 1 comprises a plurality of transport rollers 4 that are suitable to convey substrates 6 from a printing region of the printing machine in a substrate transport direction (from right to left in Fig. 1) as indicated by arrow A toward the substrate depositing device 2.
  • the substrate depositing device 2 comprises a tray 10 with a tray surface 8.
  • the tray surface 8 comprises a first depositing region 12 located adjacent to the substrate output unit 1, and a second depositing region 14 located further away from the substrate output unit 1.
  • the first and the second depositing regions 12, 14 are inclined against the substrate transport direction A, relative to the horizontal, the first depositing region 12 being inclined more than the second depositing region 14.
  • Fig. 3 shows that the tray surface 8 is also tilted about a first axis parallel to the substrate transport direction A, relative to the horizontal.
  • the tray surface 8 has an elongated recess 20 with a center strip 22, these extending along the substrate transport direction A.
  • the recess 20, as well as the center strip 22, extend from an outer end of the tray 10, said end being remote from the substrate output unit, via the second region 14 into the first region 12 of the tray surface 8.
  • the recess 20 facilitates the removal of a substrate stack and, on the other hand, said recess facilitates the transport of the substrate 6 over the tray surface 8.
  • an edge 24 is formed between the depositing regions 12 and 14, said edge extending transversely with respect to the substrate transport direction over the tray surface 8.
  • edge is shown in the figures as a cutting edge of two straight depositing surfaces 12, 14, said depositing surfaces may also be connected via a rounded part.
  • a first abutment 25 essentially extending in vertical direction - viewed in substrate transport direction A - is provided adjacent to the first depositing region 12 of the tray 10, which abutment 25 may be part of the substrate output unit 1 or the substrate depositing device 2.
  • the abutment 25 is a straight plate connected with the substrate output unit 1.
  • a second abutment 26 is provided on the tray 10, said second abutment extending at a right angle relative to the first abutment 25 and to the tray surface 8.
  • the second abutment 26 is configured as a wire bracket and fastened transversely with respect to substrate transport direction A in the region 12 of the tray surface 8.
  • An adjustment may be performed, for example, by means of a not illustrated setting wheel that moves the second abutment along a not illustrated linear guide in the tray 10.
  • the adjustment may be performed manually or also automatically by means of an appropriate drive and control unit.
  • the second abutment 26 may be stationarily fastened to the tray 10.
  • the second abutment 26 may also be configured as a stop baffle instead of as a wire bracket, said stop baffle being provided, for example, with gas passage openings.
  • a substrate stack consisting of a plurality of substrates 6 will form a right angle with the first and second abutments 25, 26 on the second abutment 26; however, said substrate stack will be distorted at the first abutment 25, i.e., the stack does not form a 90° angle in this direction.
  • the reason for this is that the first abutment 25 and the depositing region 12 of the tray surface 8 form an angle that is smaller than 90° .
  • the tray 10 can be moved up and down by means of a not specifically illustrated lifting unit, with the movement occurring parallel to a plane of the second abutment 26, as is shown by double arrow B in Fig. 3.
  • Each of Figures 1 through 3 shows the gas supply arrangement 3 that is represented as a gas line element 30 (for reasons of simplification, it was left out of the drawing of Fig. 4).
  • This gas line element is arranged laterally adjacent to the higher edge of the tray 10 and is permanently mounted to the substrate output unit 1. Alternatively, said gas line element could also be mounted to the substrate depositing device 2.
  • the gas supply arrangement 3 comprises a gas supply that is not shown in the figures, said gas supply arrangement being able to supply gas to the gas line element 30.
  • a ventilator or a pressurized air connection of an external pressurized air source can be used.
  • the gas line element 30 On a free end, the gas line element 30 has a gas outlet opening in the form of a gas nozzle 34 that is arranged at the height of a depositing plane.
  • the depositing plane is formed by the tray surface 8 for a first substrate 6 ejected by the substrate output unit 1. For all the subsequent substrates 6, the depositing plane is formed by the previously ejected substrate 6, respectively.
  • the gas nozzle 34 is essentially directed at a region between the first abutment 25 and the second abutment 26.
  • the nozzle is inclined slightly downward, and the gas stream exiting from the nozzle 34 flows over the depositing plane in the direction of the lowest point of said plane in the region of the corner 18 of the tray 10.
  • the second abutment 26 is arranged at a distance from the first abutment 25 and, furthermore, is configured as a wire bracket, the gas stream essentially flows off the opposite end of the tray without being obstructed.
  • Figures 5 through 8 show an alternative embodiment of a substrate depositing device 2.
  • Figures 5 through 8 use the same reference signs as the first embodiment in accordance with Figures 1 through 4.
  • the substrate output unit 1 and the gas supply unit 3, these also being provided in this embodiment, may have the same design as those that have been previously described, so that it is not necessary to describe them in detail.
  • the gas supply unit 3 was left out in order to simplify the illustration in Figs. 6 and 8.
  • the substrate depositing device 2 comprises a tray 10 that is designed as previously described.
  • the tray 10 has a tray surface 8 with first and second depositing regions 12, 14, each being inclined relative to the horizontal.
  • Fig. 7 shows that the tray surface 8 is also tilted about a first axis parallel to substrate transport direction A, relative to the horizontal.
  • the tray surface 8 overall, again slopes toward an edge 18, said edge forming the deepest point of the tray surface 8.
  • a first abutment 25 is provided adjacent to the first depositing region 12 of the tray 10.
  • a second abutment 26 is provided on the tray 10.
  • this abutment extends vertically and not perpendicularly with respect to the tray surface 8, as was the case in the first embodiment, this being particularly clear in Figures 5 and 7.
  • the second abutment 26 is located laterally on the tray 10.
  • the second abutment 26 may be arranged so as to be movable in the depositing region 12 or 14 of the tray surface 8.
  • the second abutment 26 is arranged adjacent to a lower lying lateral edge of the tray 10.
  • Said second abutment is shown as a solid metal sheet, however, it may also be configured as a wire bracket or as a perforated metal sheet.
  • the tray 10 can be moved up and down by means of a not specifically illustrated lifting unit, the movement taking place parallel to a plane of the second abutment 26, i.e., vertically, as indicated by double arrow
  • Fig. 9 shows another alternative embodiment of a substrate depositing device 2.
  • the same reference signs are used as in the first embodiment in accordance with Figures 1 through 4.
  • the substrate output unit 1 and the gas supply unit 3, which are also provided in this embodiment, may have the same design as those previously described, so that a further description thereof is not provided.
  • Fig. 9 shows another alternative embodiment of a substrate depositing device 2.
  • the substrate depositing device 2 comprises a tray 10 that is designed as the one above and inclined toward a lowest point.
  • first and second abutments 25, 26 are provided, the second abutment 26 being designed in accordance with the first embodiment.
  • said abutment could also have the design in accordance with the second embodiment.
  • the essential difference with respect to the first two embodiments is in the arrangement of the first abutment 25.
  • the first abutment 25 is inclined in such a manner that it forms a right angle with the depositing region 12 of the tray 10.
  • a stack of substrates on the tray 10 forms a right angle on its edge facing the first abutment 25, as well as on its edge facing the second abutment 26.
  • the tray 10 can be moved up and down by means of a not specifically shown lifting unit, the movement following the inclination of the first abutment 25, as is shown by double arrow D in Fig. 9. At the same time, the up and down movement takes place parallel to a first plane of the second abutment 26.
  • a substrate 6 is transported via transport rollers 4 of the substrate output unit 1 in substrate transport direction A into the region of the substrate depositing device 2.
  • the substrate is conveyed so as to be above the tray 10 that is in a corresponding receiving position.
  • the substrate drops down onto the tray 10.
  • the gas supply arrangement 3 generates a gas stream under the falling substrate, said stream being directed transversely and slightly counter to the substrate transport direction. This gas stream generates an air cushion between a depositing plane formed by the tray surface 8, or by a substrate 6 located on the tray, and the falling substrate 6.
  • the substrate 6 slides easily over the depositing plane in the direction of the first and second abutments 25, 26 and comes to abut against said abutments.
  • the movement in the direction of the first abutment 25 and the second abutment 26 is also aided in the direction of the gas flow, with the air cushion preventing, or at least reducing, a friction between the depositing planes and the substrate.
  • the gas stream may be used intermittently or also continuously.
  • the substrates 6 may be deposited one after the other to form a stack on the tray.
  • the tray 10 is lowered by the lifting device along the first abutment 25 and parallel to an abutment surface of the second abutment 26.
  • the tray 10 is lowered in vertical direction or in an inclined manner.
  • the inclined lowering of the tray 10 in conjunction with the second abutment 26 positioned perpendicularly to the tray surface 8 ensures, in so doing, that a sliding path of the substrate 6 out of a position it is in immediately upon the release by the substrate output unit 1, toward the abutments 25 and 26 remains essentially constant, even after lowering the tray 10.
  • a substrate stack is formed on the tray surface 8, said substrate stack forming an angle with said tray depending on the arrangement of the second abutment 26, said angle being either 90° (first embodiment) or smaller than 90° (second embodiment).
  • the lowering of the tray 10 along the first abutment 25 takes place depending on the arrangement of the first abutment 25, likewise vertically or inclined. If, as is shown by Fig. 1, the first abutment 25 and the tray 10 form an angle that is smaller than 90°, the tray 10 is lowered in vertical direction; whereas, if the first abutment 25 is arranged at a right angle relative to the tray 10, as shown by Fig. 9, the tray 10 is lowered at an inclination along the first abutment 25.
  • a substrate stack that was produced on the substrate depositing region 2 in accordance with Fig. 9 thus does not display any distortions. This means that the substrate stack forms a 90° angle relative to the first abutment 25, as well as relative to the second abutment 26.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Pile Receivers (AREA)

Abstract

La présente invention concerne un dispositif et un procédé permettant de déposer des supports en forme de feuille, en particulier des matériaux à imprimer, dans une machine à imprimer en vue de former une pile. Le dispositif comporte un plateau destiné à recevoir les supports, ledit plateau ayant une surface de plateau qui est inclinée autour d'un premier axe et autour d'un second axe, par rapport à une horizontale. L'invention concerne également un dispositif de levage destiné à lever et à abaisser le plateau, ainsi qu'une première butée ayant une première surface de butée et une seconde butée ayant une seconde surface de butée, les première et seconde surfaces de butée étant arrangées de manière à être perpendiculaires l'une par rapport à l'autre, et des supports déposés sur le plateau venant se mettre en butée contre les première et seconde surfaces de butée en raison de l'inclinaison de la surface du plateau.
EP10723156.5A 2009-06-30 2010-06-18 Dispositif et procédé permettant de déposer des supports en forme de feuille en vue de former une pile Not-in-force EP2448851B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009031117A DE102009031117B3 (de) 2009-06-30 2009-06-30 Vorrichtung und Verfahren zur stapelförmigen Ablage von bogenförmigen Substraten
PCT/EP2010/058614 WO2011000717A2 (fr) 2009-06-30 2010-06-18 Dispositif et procédé permettant de déposer des supports en forme de feuille en vue de former une pile

Publications (2)

Publication Number Publication Date
EP2448851A2 true EP2448851A2 (fr) 2012-05-09
EP2448851B1 EP2448851B1 (fr) 2013-04-17

Family

ID=42813277

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10723156.5A Not-in-force EP2448851B1 (fr) 2009-06-30 2010-06-18 Dispositif et procédé permettant de déposer des supports en forme de feuille en vue de former une pile

Country Status (4)

Country Link
US (1) US20120193868A1 (fr)
EP (1) EP2448851B1 (fr)
DE (1) DE102009031117B3 (fr)
WO (1) WO2011000717A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015026720A2 (fr) * 2013-08-19 2015-02-26 Kodak Alaris Inc. Plateau d'empilement d'impression offset comprenant une zone de déchets
JP6269051B2 (ja) * 2013-12-27 2018-01-31 ブラザー工業株式会社 画像形成装置
JP6833399B2 (ja) * 2015-10-23 2021-02-24 キヤノン株式会社 後処理装置及び画像形成装置

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US1715993A (en) * 1927-10-19 1929-06-04 Ralph P Cummings Apparatus for even piling sheet material
US2770192A (en) * 1953-06-26 1956-11-13 Addressograph Multigraph Sheet receiving tray for rotary printing machine
DE1561127A1 (de) * 1966-11-07 1970-03-12 Gerhard Busch Verfahren und Vorrichtung zum Einspeisen von Druckbogen auf einen selbsttaetigen Ruetteltisch
FR2349897A1 (fr) * 1976-04-29 1977-11-25 Honeywell Bull Soc Ind Case de reception de documents
GB2032889B (en) * 1978-11-07 1983-06-15 Xerox Corp Sheet handling
US4702468A (en) * 1981-08-01 1987-10-27 Heidelberger Druckmaschinen Ag Device in the delivery of sheet-fed rotary printing machine for exhibiting curl formation on the leading edge of a delivered sheet
US4605211A (en) * 1983-07-12 1986-08-12 Canon Kabushiki Kaisha Automatic sheet processing device having tiltable collecting tray adjacent corner binder station
US5251889A (en) * 1992-08-24 1993-10-12 Eastman Kodak Company Sheet holding tray having adjustable sheet edge guides and method for adjusting sheet edge guides
DE4314760C2 (de) * 1993-05-05 1995-11-16 Ltg Lufttechnische Gmbh Vorrichtung zum Stapeln von Tafeln
DE19516132C2 (de) * 1995-05-03 1997-04-17 Roland Man Druckmasch Probebogenentnahme
DE50310804D1 (de) * 2003-05-09 2009-01-02 Eha Spezialmaschb Gmbh Ablagevorrichtung für geschnittene flächige Erzeugnisse, insbesondere für mit einem Rotationsquerschneider geschnittene Bögen
DE102005055890B4 (de) * 2005-11-22 2013-03-28 Eastman Kodak Company Vorrichtung mit Führungsflächen zur Ablage von Bögen für eine Druckmaschine
JP5234345B2 (ja) * 2008-02-12 2013-07-10 株式会社リコー 積載用紙整合装置、排紙装置、画像形成装置
US9016687B2 (en) * 2008-11-25 2015-04-28 Avery Dennison Corporation Tag stacking system and stack tray and method of making and handling tags

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Also Published As

Publication number Publication date
WO2011000717A2 (fr) 2011-01-06
WO2011000717A3 (fr) 2011-07-07
EP2448851B1 (fr) 2013-04-17
US20120193868A1 (en) 2012-08-02
DE102009031117B3 (de) 2011-02-10

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