US20090166958A1 - Sheet-Discharging Apparatus for Sheet-Fed Printing Press - Google Patents

Sheet-Discharging Apparatus for Sheet-Fed Printing Press Download PDF

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Publication number
US20090166958A1
US20090166958A1 US12/225,542 US22554207A US2009166958A1 US 20090166958 A1 US20090166958 A1 US 20090166958A1 US 22554207 A US22554207 A US 22554207A US 2009166958 A1 US2009166958 A1 US 2009166958A1
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US
United States
Prior art keywords
sheet
printing press
discharging apparatus
frame body
fed printing
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.)
Abandoned
Application number
US12/225,542
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English (en)
Inventor
Toshio Miwa
Nobutaka Sato
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Assigned to MITSUBISHI HEAVY INDUSTRIES, LTD. reassignment MITSUBISHI HEAVY INDUSTRIES, LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MIWA, TOSHIO, SATO, NOBUTAKA
Publication of US20090166958A1 publication Critical patent/US20090166958A1/en
Abandoned legal-status Critical Current

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    • 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
    • B65H29/02—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles
    • B65H29/04—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by endless chains or bands
    • B65H29/041—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by endless chains or bands and introducing into a 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
    • B65H29/247—Air blast devices acting on stacking devices blowing on upperside of the sheet
    • 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
    • B65H2406/12—Means using fluid made only for exhausting gaseous medium producing gas blast
    • 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 sheet-discharging apparatus for a sheet-fed printing press.
  • Patent Citation 1 As a sheet-discharging apparatus for a sheet-fed printing press, for example, the one disclosed in Patent Citation 1 is known.
  • Patent Citation 1 Japanese Unexamined Patent Application Publication No. 2002-234654
  • the sheet-discharging apparatus for a sheet-fed printing press disclosed in Patent Citation 1 is provided with a fan device having a plurality of blast fans above a sheet-discharging table. Each blast fan is suspended and supported by a suspending bar extending between frames via a specific bracket having a thickness in the direction of height (vertical direction). Therefore, the dimension of the fan device in the direction of height is increased, so that there arises a problem that the fan device is upsized, and hence visibility of an operator (personnel) is blocked.
  • bracket Since the bracket has a complicated shape, dust such as paper flour or powder accumulated on the upper surface of the bracket cannot be removed easily, so that there is also a problem that the cleaning operation of the fan device cannot be carried out easily.
  • the bracket to which the blast fan is attached is firmly fixed to the suspending bar via, for example, a fastening member such as a bolt & nut, there arises a problem that the blast fan cannot be shifted easily and quickly to desired positions according to the size or the material of the sheet to be printed, so that it requires long time for an adjustment work.
  • the present invention employs following means.
  • a sheet-discharging apparatus for a sheet-fed printing press includes a fan device having a plurality of blast fans provided above a sheet-stacking position where sheet fed from a printing apparatus are stacked for providing a downward flow and a frame for mounting the blast fans, in which at least some of the plurality of blast fans are arranged in contact with the lower surface of a frame body corresponding to elongated openings formed on the thin-plate shaped frame body which constitutes the frame, and are slidable in the feeding direction and/or in the widthwise direction with respect to the frame body.
  • the blast fans are directly attached to the frame body so that the upper surfaces of flange portions formed into an annular (doughnut) shape at upper ends of the blast fans and the lower surface of the frame body come into abutment with each other, the dimension of the fan device in the height direction may be reduced to the substantially same dimension as the thickness of the blast fan, so that the fan device is downsized, and the visible range of the operator (personnel) of the sheet-discharging device may be widened, thereby improving the visibility.
  • the upper surface of the frame body may be formed into a shape having less concavo-convex, which facilitates cleaning, dust such as paper flour or powder accumulated on the upper surface of the frame body may be removed easily, and hence the cleaning work of the fan device may be simplified, whereby the working time required for the cleaning operation may be reduced.
  • the fan device since the structure of the fan device is simplified (that is, the fan device includes the blast fans and the frame as main elements), the number of components is reduced, and the manufacturing cost is also reduced.
  • the blast fans arranged corresponding to the elongated openings are configured to be slidable in the feeding direction and/or in the widthwise direction, the blast fans may be shifted easily and quickly to desired positions according to the size or the material of the sheet to be printed, so that an optimal flow suitable for the size or the material of the sheet is applied to the sheet.
  • partitioning panels formed into an endless ring are provided so as to project upward from the upper surface of the frame body along the peripheries of the openings.
  • the dust such as paper flour or powder accumulated on the upper surface of the frame body is prevented from dropping downward (that is, toward the sheets stacked on the paper discharge table) through the openings by the outer peripheral surfaces (radially outer surfaces) of the partitioning panels, and hence the upper surface of the sheets stacked on the sheet-discharging table may be maintained in a clean state, and the sheets are prevented from becoming damaged, and hence the quality of the printed materials is improved.
  • a shifting mechanism which shifts the plurality of blast fans which are slidable in the feeding direction and/or the widthwise direction automatically with respect to the frame body is provided.
  • the blast fans arranged corresponding to the elongated openings may be slid automatically in the feeding direction and/or the widthwise direction, automation of the apparatus is achieved, and the blast fans may be shifted easily and quickly to the optimal positions according to the size or the material of the sheet to be printed.
  • the sheet-fed printing press in the present invention includes the sheet-discharging apparatus for a sheet-fed printing press as described above.
  • the sheet-discharging apparatus for a sheet-fed printing press in which the fan device is downsized and visibility of the operator (personnel) of the sheet-discharging device is improved is provided, the entire sheet-fed printing press is downsized, and the safety of the operator is also improved.
  • the sheet-discharging apparatus for a sheet-fed printing press in which the cleaning operation of the fan device is simplified and the working time required for the cleaning operation is reduced, the maintenance and inspection work is facilitated so that time and cost required for the maintenance and inspection work are reduced.
  • the sheet-discharging apparatus for a sheet-fed printing press in which the structure of the fan device is simplified, the number of components is reduced and the manufacturing cost is reduced is provided, the manufacturing cost of the entire sheet-fed printing press is reduced.
  • the sheet-discharging apparatus for a sheet-fed printing press in which the blast fans arranged corresponding to the elongated openings may be shifted easily and quickly to desired positions according to the size or the material of the sheet to be printed to provide the sheet with an optimal flow suitable for the size or the material of the sheet is provided, the sheet is prevented from becoming damaged and hence the quality of the printing materials is improved.
  • the fan device is downsized, the visibility of the operator is improved, the cleaning operation of the fan device is facilitated, and the blast fans may be shifted easily and quickly to desired positions according to the size or the material of the sheet to be printed.
  • FIG. 1 is a schematic block diagram of a principal portion of a sheet-fed printing press provided with a sheet-discharging apparatus for a sheet-fed printing press according to a first embodiment of the present invention.
  • FIG. 2A is a general perspective view of a fan device shown in FIG. 1 .
  • FIG. 2B is a front view of the fan device shown in FIG. 2A when viewed from the lower left side of the drawing.
  • FIG. 3 is a cross-sectional view taken along the line III-III in FIG. 2A .
  • FIG. 4 is a general perspective view of the fan device shown in FIG. 1 .
  • FIG. 5 is a general perspective view of the fan device of the sheet-discharging apparatus for a sheet-fed printing press according to a second embodiment of the present invention.
  • FIG. 6 is a general perspective view of the fan device in the sheet-discharging apparatus for a sheet-fed printing press according to a third embodiment of the present invention.
  • FIG. 7A is a perspective view of a principal portion of the fan device in the sheet-discharging apparatus for a sheet-fed printing press according to a fourth embodiment of the present invention.
  • FIG. 7B is a cross-sectional view taken along the line VII-VII in FIG. 7A .
  • FIG. 8A is a drawing similar to FIG. 7B , showing the fan device of the sheet-discharging apparatus for a sheet-fed printing press according to another embodiment of the present invention.
  • FIG. 8B is a drawing similar to FIG. 7B showing the fan device of the sheet-discharging apparatus for a sheet-fed printing press according to still another embodiment of the present invention.
  • FIG. 8C is a drawing similar to FIG. 7B showing the fan device of the sheet-discharging apparatus for a sheet-fed printing press according to still another embodiment of the present invention.
  • FIG. 9 is a drawing similar to FIG. 3 , showing the fan device of the sheet-discharging apparatus for a sheet-fed printing press according to a fifth embodiment of the present invention.
  • FIG. 10A is a schematic block diagram of a shifting mechanism showing the fan device of the sheet-discharging apparatus for a sheet-fed printing press according to the fifth embodiment of the present invention.
  • FIG. 10B is a schematic block diagram of the shifting mechanism showing the fan device of the sheet-discharging apparatus for a sheet-fed printing press according to the fifth embodiment of the present invention.
  • FIG. 1 to FIG. 4 a first embodiment of a sheet-discharging apparatus for a sheet-fed printing press according to the present invention will be described.
  • FIG. 1 is a general schematic block diagram of a sheet-fed printing press 100 provided with a sheet-discharging apparatus 20 for a sheet-fed printing press (hereinafter, referred to simply as “sheet-discharging device”)
  • FIG. 2A and FIG. 4 are general perspective views of a fan device 11 shown in FIG. 1
  • FIG. 2B is a front view of the fan device 11 shown in FIG. 2A viewed from the lower left side of the drawing
  • FIG. 3 is a cross-sectional view taken along the line III-III in FIG. 2A .
  • the sheet-fed printing press 100 includes a sheet-feeding device (not shown), a printing apparatus 16 and the sheet-discharging apparatus 20 .
  • the sheet-feeding device is a unit configured to allow sheets (for example, printing sheets) 4 as printed material to be stacked on a sheet-feeding table (not shown), and feed the sheet 4 one by one from the top in sequence to the printing apparatus 16 in the next process.
  • the printing apparatus 16 generally includes a plurality of sets of printing apparatuses 16 for different colors of ink arranged in a line and is a unit for carrying out a predetermined printing job on the sheets 4 fed continuously from the sheet-feeding device.
  • a reference sign P designates a printing plate cylinder to which ink is supplied from an ink supply system (not shown)
  • a reference numeral 1 designates a blanket cylinder to which ink is transferred from the printing plate cylinder
  • a reference numeral 2 designates a pressure cylinder.
  • the sheet-discharging apparatus 20 includes an endless chain 5 having a chain gripper 7 for gripping a sheet 4 as transfer means for transferring the printed sheet 4 , a sheet-discharging table 13 suspended by a chain (not shown) to provide a place to stack the sheets 4 , the fan device 11 arranged above the sheet-discharging table 13 , a vacuum wheel 12 which functions to damp the traveling velocity of the sheet 4 which drops from the chain gripper 7 for supply, and a powder spray nozzle 14 arranged in the vicinity of a sheet-discharging cylinder 3 on the downstream side as main elements.
  • a reference numeral 6 designates a chain guide
  • a reference numeral 8 designates a stopper
  • a reference numeral 10 designates a sheet guide.
  • the powder spray nozzle 14 is adapted to inject powder (flour) to a printing surface of the sheet 4 , whereby adhesion between the back side of the sheet 4 and the printed ink is prevented.
  • the fan device 11 includes a plurality (twenty in this embodiment) of blast fans 21 and a frame 22 for attaching these blast fans 21 , and forms a downward air flow above the position to stack the sheets.
  • the frame 22 includes a frame body 23 having a rectangular shape in plan view and slide rails 24 (see FIG. 3 ) for slidably supporting the plurality of (ten in this embodiment) blast fans 21 positioned on the upstream side (right side in FIG. 1 ).
  • a plurality of (five in this embodiment) first openings 25 are formed on the upstream side of the frame body 23 and a plurality of (ten in this embodiment) second openings 26 are provided on the downstream side of the frame body 23 .
  • the first openings 25 are each formed into a hole elongated in the feeding direction.
  • the plurality of first openings 25 are arranged in the widthwise direction (the direction orthogonal to the feeding direction).
  • the second openings 26 are each formed into a round hole.
  • the plurality of second openings 26 are arranged in a plurality of rows (five rows in this embodiment) along the feeding direction and at least one row (two rows in this embodiment) along the widthwise direction.
  • the slide rails 24 (ten in this embodiment), being plate-shaped members each assuming a substantially S-shape in cross-section, are provided on the lower surface of the frame body 23 so as to suspend and support a flange portion 21 a of the blast fan 21 positioned on the upstream side, and be capable of sliding the blast fan 21 positioned on the upstream side with respect to the first openings 25 .
  • blast fans 21 positioned on the downstream side are arranged vertically below the corresponding second openings 26 , and flange portions 21 a and the frame body 23 are connected via fastening member (for example, a bolt & nut).
  • a reference numeral 27 designates a cable for supplying power source (power) to the blast fan 21 .
  • sheets 4 after a predetermined printing job are handed from the pressure cylinder 2 to a portion of the sheet-discharging cylinder 3 (the side of the sheet-discharging apparatus 20 ).
  • the sheets 4 are handed to the chain gripper 7 of the endless chain 5 which travels while being wound around the sheet-discharging cylinder 3 , are transferred to the downstream side by the sheet-discharging apparatus 20 in a stat in which the front end thereof is gripped by the chain gripper 7 , and are stacked on the sheet-discharging table 13 in sequence by a downward flow coming from the blast fans 21 of the fan device 11 .
  • the partitioning panel is inserted into the sheet inserting portion, and allows trailing sheets 4 to be stacked on the sheet partitioning panel.
  • the sheet-discharging table 13 is lowered, where the stacked sheets 4 are carried out to the outside together with a lowermost palette (blanking panel) using a forklift or the like at the lowermost position.
  • a new palette is placed on the vacant sheet-discharging table 13 and is shifted upward again to an initial position.
  • the sheets 4 which are temporarily supported by the partitioning panel are received, and the operation of the sheet stacking apparatus is started again. By repeating the same operation, the printing job is carried out continuously.
  • the blast fans 21 are directly attached to the frame body 23 so that the upper surfaces of the flange portions 21 a formed into an annular (doughnut) shape at upper ends of the blast fans 21 and the lower surface of the frame body 23 come into abutment with each other, the dimension of the fan device 11 in the height direction may be reduced to the substantially same dimension as the thickness of the blast fan 21 , so that the fan device 11 is downsized, and the visible range of the operator (personnel) of the sheet-discharging device 20 may be widened, thereby improving the visibility.
  • the upper surface of the frame body 23 may be formed into a shape having less concavo-convex, which facilitates cleaning, dust such as paper flour or powder accumulated on the upper surface of the frame body 23 may be removed easily, and hence the cleaning work of the fan device 11 may be simplified, whereby the working time required for the cleaning operation may be reduced.
  • the fan device 11 since the structure of the fan device 11 is simplified (that is, the fan device 11 includes the blast fans 21 and the frame 22 as main elements), the number of components is reduced, and the manufacturing cost is also reduced.
  • the blast fans 21 positioned on the upstream side are configured to be slidable in the feeding direction, for example, as shown in FIG. 4
  • the blast fans 21 positioned on the upstream side may be shifted easily and quickly to desired positions according to the size (in particular, the size in the feeding direction) or the material of the sheet 4 to be printed (see FIG. 1 ), so that an optimal flow suitable for the size (in particular, the size in the feeding direction) or the material of the sheet 4 is applied to the sheet 4 .
  • FIG. 5 a second embodiment of the sheet-discharging apparatus according to the present invention will be described.
  • the sheet-discharging apparatus in this embodiment is different from that in the first embodiment in that a fan device 31 including a plurality (five in this embodiment) of third openings 30 is provided instead of the fan device 11 having the second openings 26 and the second openings 26 . Since other components are the same as those in the first embodiment, description of these components will be omitted here.
  • the third openings 30 are formed in an elongated shape so as to extend along the feeding direction from the upstream side to the downstream side of the frame body 23 .
  • the plurality of third openings 30 are arranged in line in the widthwise direction (the direction orthogonal to the feeding direction).
  • a plurality (ten in this embodiment) of the slide rails 24 (see FIG. 3 ) extending in the feeding direction along the both lateral sides of the third openings 30 are attached to the lower surface of the frame body 23 .
  • the blast fans 21 since all the blast fans 21 are slidable in the feeding direction with respect to the frame body 23 , the blast fans 21 may be shifted easily and quickly to desired positions according to the size (in particular, the size in the feeding direction) or the material of the sheet 4 to be printed (see FIG. 1 ), so that an optimal flow suitable for the size (in particular, the size in the feeding direction) or the material of the sheet 4 is applied to the sheet 4 .
  • the ratio occupied by the third openings 30 with respect to the frame body 23 is increased in comparison with that in the first embodiment (that is, the plane on which dust such as paper flour or powder is accumulated is reduced in comparison with that in the first embodiment), and hence dust such as paper flour or powder accumulated on the upper surface of the frame body 23 is removed further easily. Therefore, the cleaning operation of the fan device 31 is carried out further simply, and hence the working time required for the cleaning operation is further reduced and the weight of the frame body 23 may be reduced.
  • FIG. 6 a third embodiment of the sheet-discharging apparatus in the present invention will be described.
  • the sheet-discharging apparatus in this embodiment is different from that in the first embodiment described above in that a fan device 41 having the first openings 25 and a plurality of (two in this embodiment) fourth openings 40 is provided instead of the fan device 11 having the first openings 25 and the second openings 26 . Since other components are the same as those in the first embodiment, description of these components will be omitted here.
  • each of the blast fan 21 is drawn in the fourth openings 40 in FIG. 6 , it is just for simplification of the drawing and, in practice, there are provided a plurality of (four, for example) blast fans 21 , in each of the fourth openings 40 .
  • the fourth openings 40 are formed in an elongated shape so as to extend along the widthwise direction from one side to the other side of the frame body 23 .
  • the plurality of fourth openings 40 are arranged in line in the feeding direction.
  • a plurality (ten in this embodiment) of the slide rails 24 (see FIG. 3 ) extending in the widthwise direction along the both lateral sides of the fourth openings 40 are attached to the lower surface of the frame body 23 .
  • the blast fans 21 positioned on the upstream side are slidable in the widthwise direction with respect to the frame body 23 , the blast fans 21 may be shifted easily and quickly to desired positions according to the size (in particular, the size in the widthwise direction) or the material of the sheet 4 to be printed (see FIG. 1 ), so that an optimal flow suitable for the size (in particular, the size in the widthwise direction) or the material of the sheet 4 is applied to the sheet 4 .
  • FIG. 7A and FIG. 7B a fourth embodiment of the sheet-discharging apparatus in the present invention will be described.
  • the sheet-discharging apparatus in this embodiment is different from those in the embodiments described above in that a fan device 51 having partitioning panels 50 along the peripheries of the first openings 25 , the second openings 26 , the third openings 30 and the fourth openings 40 is provided.
  • FIG. 7A is a perspective view showing a principal portion of an example in which the partitioning panels 50 are applied to the peripheries of the third openings 30
  • FIG. 7B is a cross-sectional view taken along the line VII-VII in FIG. 7A .
  • the partitioning panel 50 is a plate shaped member projecting vertically upward from the upper surface of the frame body 23 along the peripheries of the openings (the third openings 30 in this embodiment), and being formed into an endless (continuous) annular shape.
  • the dust such as paper flour or powder accumulated on the upper surface of the frame body 23 is prevented from dropping downward (that is, toward the sheets 4 stacked on the paper discharge table 13 ) through the openings by the outer peripheral surfaces (radially outer surfaces) of the partitioning panels, and hence the upper surface of the sheets 4 stacked on the sheet-discharging table 13 may be maintained in a clean state, and the sheets 4 are prevented from becoming damaged, and hence the quality of the printed materials is improved.
  • the cross-sectional shape of the partitioning panel 50 is not limited to that shown in FIG. 7B and, for example, the cross-sectional shapes as shown in FIG. 8A to FIG. 8C may be employed.
  • the partitioning panel 50 may be formed by arranging a member manufactured separately from the frame body 23 along the periphery of the opening and joining the same, for example, by welding or the like, or may be formed integrally with the frame body 23 , for example, by a press work when forming the opening.
  • FIG. 9 a fifth embodiment of the sheet-discharging apparatus in the present invention will be described.
  • the sheet-discharging apparatus in this embodiment is different from that in the embodiments described above in that there is provided with a fan device 61 including a shifting mechanism 60 which shifts the blast fans 21 arranged corresponding to the first openings 25 , the blast fans 21 arranged corresponding to the third openings 30 , the blast fans 21 arranged corresponding to the fourth openings 40 automatically.
  • a fan device 61 including a shifting mechanism 60 which shifts the blast fans 21 arranged corresponding to the first openings 25 , the blast fans 21 arranged corresponding to the third openings 30 , the blast fans 21 arranged corresponding to the fourth openings 40 automatically.
  • FIG. 9 is a similar drawing to FIG. 3
  • FIG. 10A and FIG. 10B are schematic block diagrams of the shifting mechanism 60 showing an example of being applied to the flast fans 21 arranged corresponding to the third openings 30 .
  • the shifting mechanism 60 includes a bearing 62 attached to the side surfaces of the blast fans 21 positioned on one end, base members 63 attached to the side surfaces of the blast fans 21 other than the blast fans 21 positioned on one end from among all the blast fans 21 , a rod-shaped member 64 having a male screw portion 64 a formed on the outer surface thereof for engaging female screw portions 63 a formed in the interiors of the base members 63 , and a electric motor M arranged at one end of the rod-shaped member 64 for providing a rotational force to the rod-shaped member 64 .
  • Pitches of the female screw portions 63 a formed in the interiors of the base members 63 are formed so as to be 1:2:3 in ratio from the side of the blast fan 21 positioned at one end (that is, in a manner that when the rod-shaped member 64 is rotated by one turn in the direction of an arrow in FIG.
  • the blast fan 21 at a position closest to the blast fan 21 located at the one end shifts by a distance corresponding to one pitch of the male screw portion 64 a
  • the blast fan 21 at a position farthest from the blast fan 21 located at the one end sifts by a distance corresponding to three pitches of the male screw portion 64 a
  • the blast fan 21 located in-between shifts by a distance corresponding to two pitches of the male screw portion 64 a , and in other words, in a manner that the distances of the respective blast fans 21 from the adjacent blast fan 21 are equalized).
  • the blast fans 21 arranged corresponding to the elongated openings may be slid automatically in the feeding direction or in the widthwise direction, automation of the apparatus is achieved, and the blast fans 21 may be shifted easily and quickly to the optimal positions according to the size or the material of the sheet 4 (see FIG. 1 ) to be printed.
  • the pitches of the female screw portion 63 a formed in the interior of the base member 63 may be changed as needed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pile Receivers (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
US12/225,542 2006-03-30 2007-03-06 Sheet-Discharging Apparatus for Sheet-Fed Printing Press Abandoned US20090166958A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2006093346A JP2007261804A (ja) 2006-03-30 2006-03-30 枚葉印刷機用排紙装置
JP2006-093346 2006-03-30
PCT/JP2007/054289 WO2007113970A1 (ja) 2006-03-30 2007-03-06 枚葉印刷機用排紙装置

Publications (1)

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US20090166958A1 true US20090166958A1 (en) 2009-07-02

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US12/225,542 Abandoned US20090166958A1 (en) 2006-03-30 2007-03-06 Sheet-Discharging Apparatus for Sheet-Fed Printing Press

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US (1) US20090166958A1 (ja)
EP (1) EP2006230A2 (ja)
JP (1) JP2007261804A (ja)
CN (1) CN101360672A (ja)
WO (1) WO2007113970A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140063159A1 (en) * 2012-08-29 2014-03-06 Fujifilm Corporation Image forming apparatus and image forming method
US20140148321A1 (en) * 2011-01-31 2014-05-29 Osamu Hatano Counter ejector and box former
US20220234848A1 (en) * 2021-01-22 2022-07-28 Ricoh Company, Ltd. Sheet stacking device and printing apparatus

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011011844A (ja) * 2009-06-30 2011-01-20 Hinix Kk 断裁排出装置
CN104229531B (zh) * 2013-06-09 2017-10-24 征图新视（江苏）科技有限公司 格栅吸风装置
CN104401122A (zh) * 2014-11-07 2015-03-11 合肥大安印刷有限责任公司 印刷品风压机构
CN106429594B (zh) * 2016-08-12 2018-08-17 汕头市山河实业有限公司 一种高速的薄壁、柔性物体的高速输送装置
CN111546772A (zh) * 2018-05-02 2020-08-18 阜阳盛东智能制造技术研发有限公司 一种智能制造的印刷设备的印刷方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4561645A (en) * 1981-08-01 1985-12-31 Heidelberger Druckmaschinen Aktiengesellschaft Device in the delivery of sheet-fed rotary printing machine for inhibiting curl formation in the leading edge of delivered sheet
US4643414A (en) * 1984-04-07 1987-02-17 Miller-Johannisberg Druckmaschinen Gmbh Sheet-delivery control and regulating apparatus
US5377971A (en) * 1992-04-21 1995-01-03 Heidelberger Druckmaschinen Ag Air-flow generating device for a sheet delivery of a sheet-fed printing machine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3413179C2 (de) * 1984-04-07 1995-02-23 Roland Man Druckmasch Steuer- und Regelvorrichtung eines Bogenauslegers für bogenverarbeitende Maschinen, insbesondere für Bogendruckmaschinen
JP2001322756A (ja) * 2000-05-17 2001-11-20 Komori Corp シート状物排出装置
JP2002234654A (ja) 2001-02-09 2002-08-23 Mitsubishi Heavy Ind Ltd シート搬送装置
JP4059775B2 (ja) * 2003-01-14 2008-03-12 リョービ株式会社 排紙装置の気流吹付け構造および気流吹付け方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4561645A (en) * 1981-08-01 1985-12-31 Heidelberger Druckmaschinen Aktiengesellschaft Device in the delivery of sheet-fed rotary printing machine for inhibiting curl formation in the leading edge of delivered sheet
US4643414A (en) * 1984-04-07 1987-02-17 Miller-Johannisberg Druckmaschinen Gmbh Sheet-delivery control and regulating apparatus
US5377971A (en) * 1992-04-21 1995-01-03 Heidelberger Druckmaschinen Ag Air-flow generating device for a sheet delivery of a sheet-fed printing machine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140148321A1 (en) * 2011-01-31 2014-05-29 Osamu Hatano Counter ejector and box former
US9511965B2 (en) * 2011-01-31 2016-12-06 Mitsubishi Heavy Industries Printing & Packaging Machinery, Ltd. Counter ejector and box former
US20140063159A1 (en) * 2012-08-29 2014-03-06 Fujifilm Corporation Image forming apparatus and image forming method
US20220234848A1 (en) * 2021-01-22 2022-07-28 Ricoh Company, Ltd. Sheet stacking device and printing apparatus
US11760591B2 (en) * 2021-01-22 2023-09-19 Ricoh Company, Ltd. Sheet stacking device and printing apparatus

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JP2007261804A (ja) 2007-10-11
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WO2007113970A1 (ja) 2007-10-11

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