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WO2008028498A1 - Dispositif de manutention et procédé pour déliasser et alimenter des découpes de feuilles - Google Patents

Dispositif de manutention et procédé pour déliasser et alimenter des découpes de feuilles Download PDF

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Publication number
WO2008028498A1
WO2008028498A1 PCT/EP2006/008618 EP2006008618W WO2008028498A1 WO 2008028498 A1 WO2008028498 A1 WO 2008028498A1 EP 2006008618 W EP2006008618 W EP 2006008618W WO 2008028498 A1 WO2008028498 A1 WO 2008028498A1
Authority
WO
WIPO (PCT)
Prior art keywords
sheet
separating
handling
handling device
stack
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.)
Ceased
Application number
PCT/EP2006/008618
Other languages
German (de)
English (en)
Inventor
Lothar Stock
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.)
STOCK MASCHINENBAU GmbH
Original Assignee
STOCK MASCHINENBAU GmbH
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 STOCK MASCHINENBAU GmbH filed Critical STOCK MASCHINENBAU GmbH
Priority to EP06777161A priority Critical patent/EP2061713A1/fr
Priority to PCT/EP2006/008618 priority patent/WO2008028498A1/fr
Priority to CNA2006800557536A priority patent/CN101506072A/zh
Publication of WO2008028498A1 publication Critical patent/WO2008028498A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • B65H3/00—Separating articles from piles
    • B65H3/08—Separating articles from piles using pneumatic force
    • B65H3/0808—Suction grippers
    • B65H3/0816—Suction grippers separating from the top of pile
    • B65H3/0825—Suction grippers separating from the top of pile and acting on the rear part of the articles relatively to the final separating 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
    • B65H2406/30—Suction means
    • B65H2406/34—Suction grippers
    • B65H2406/342—Suction grippers being reciprocated in a rectilinear path
    • 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
    • B65H2406/34—Suction grippers
    • B65H2406/343—Details of sucking member

Definitions

  • the invention relates to a handling device and a method for separating and feeding sheet blanks of a stack to a transfer device, wherein the device comprises a conveying device for feeding a sheet blank with at least one lifting device with a suction element, which is vertically movable on the lifting device, and a separating device for separating the Bogenzu- sections of the stack, wherein a sheet blank on one of the transfer device facing away from the rear sheet edge area is receivable by the lifting device. Furthermore, the invention relates to a handling device comprising a sheet feeder.
  • Handling devices and methods of the type mentioned are well known and are regularly used as part of a system or a method for the production of cardboard blanks or other layer composite arrangements.
  • Such handling devices are in a generally designated as a sheet feeder plant part for supplying a system with sheet blanks arranged.
  • stacked sheet blanks are transferred to a sheet feeder, wherein a handling device separates the sheet blanks and feeds the system and the sheet feeder positions the handling device or the sheet blanks in a relative position for feeding the sheet blanks.
  • Sheet feeders or handling devices are known from the prior art, which suck and under blow a respective uppermost sheet blank of a stack at its side remote from a transfer device of a plant rear sheet edge area with so-called lifting suckers. Subsequently, so-called Schleppsauger, which are also subjected to a vacuum, take the sheet blank. Subsequently, the vacuum of the lifting suckers is switched off and the drag suckers execute a feed movement with the sucked-in sheet section and transport the sheet blank into a feeder of the transfer device. When transferring the sheet blank to the feeder, the vacuum for the drag sucker must be turned off, as they would otherwise hold the sheet blank.
  • sheet feeders work with a relatively high vacuum of at least 0.5 bar, which makes it possible to handle materials with a non-smooth surface, in particular corrugated paper with a suction-side open shaft, only to a limited extent.
  • the leaks in an intake area of the suckers due to an open shaft can easily break the vacuum due to small amounts of suction air.
  • sheet feeders of the aforementioned type sheet blanks of corrugated cardboard with open shaft due to the possibly disturbed operation, isolated and fed only at reduced speed.
  • This sheet feeder work with relatively higher air flow of the vacuum cleaner at a lower vacuum compared to the aforementioned sheet feeders with lifting and drag suckers.
  • front edge feeders With the so-called front edge feeders, the separation and feeding of open corrugated cardboard is functionally reliable. Since the sheet blanks are sucked in the front sheet edge area, however, a second sheet blank can only be sucked when the first sheet blank has been completely retracted by a transfer device. The sheet separation at the front sheet edge area thus limits the performance or speed of these sheet feeders by the length of the respective sheet blanks.
  • the present invention is therefore based on the object to propose an apparatus and a method for handling sheet blanks with which or sheet blanks with comparatively high weight and rough surface at high speed, reliable and precise handling.
  • the sheet blank can be separated and advanced by the wiping device from the suction element, since so that the suction element can be acted upon by a constant vacuum and a switching of the vacuum on the suction element is no longer necessary.
  • This makes it possible to position the lifting device on the rear edge area facing away from the transfer device, which in contrast to a lifting device on a front sheet edge area no longer has to wait for the complete insertion of a sheet blank in the transfer device, but after the beginning of the collection of a sheet blank already the next sheet blank of Stack can be sucked. So overall faster cycle times of the handling device can be performed with high reliability.
  • the stripping device has at least one push element.
  • Push element is a positive connection produced because the pusher the
  • Sheet cut engages behind and promotes the transfer device.
  • the guide device has a holding element which holds the suction element of the suction device in an upper end position.
  • the holding element thus allows suction of the sheet blanks at a defined time, in particular only after reaching a starting position of the pushers.
  • suction elements with a relatively large diameter can be used in an advantageous manner, since a scraping element is sucked in at the sheet blank or the formation of a convex elevation in one Suction nozzle prevents. Furthermore, larger Saugelement normesser allow the admission of the suction elements with a comparatively lower vacuum at a high suction volume. This results in increased functional reliability, since such a vacuum can be stably maintained in the event of leaks in the intake area of the intake connection.
  • the wiping element is designed as a roller, wiping off a sheet blank from the suction element by means of pushers is substantially facilitated, since the sheet blank can easily roll on the roll, thus reducing friction.
  • the separation device may comprise at least one hold-down device.
  • the hold-down device has a holding-down device which can be moved to the rear edge area of the sheet is.
  • a holding-down device can be pivoted in through the holding-down device into the rear sheet edge area and pressed onto the next sheet on the stack. This avoids that a second Bogenzu- section dissolves from the stack during feed of the first sheet blank and is moved in the feed direction with.
  • the separating apparatus has at least one blowing device.
  • the blowing device has a nozzle which can be acted upon by compressed air, air can be injected through the nozzle into the intermediate space between the first and second sheet blank while the first sheet blank is being lifted by the lifting device, so that an air cushion is formed between the first and second sheet blank , Thus, a complete separation of the first from the second sheet blank from the rear sheet edge area to the front sheet edge area is supported.
  • the separation device has at least one separating device.
  • the separating device designed as a brush element which projects beyond a rear stacking edge of the stack, a stripping of the second sheet blank from the first sheet blank during the lifting operation by the brush element can be easily done.
  • the conveying device may have at least one stop device. A precise statement Direction of the sheet blanks before feeding a sheet blank in the transfer device is made possible.
  • the stop device is formed on a forward, upper stacking edge facing the transfer device and the supply of a sheet blank to the transfer device can be limited by the stop device.
  • the sheet feeder according to the invention comprising a handling device has a positioning device for relative positioning of a stack of sheet blanks with the handling device.
  • a handling device can be adjusted by the positioning on different sized, the sheet feeder fed sheet blanks.
  • the handling device can thus always be aligned at the rear sheet edge area of a stack of sheet blanks or the stack on a front stop plate of the sheet feeder.
  • a stack of sheet blanks can be supplied in a controlled manner to the handling device so that a defined distance between the handling device and the stack can be maintained at the beginning of each feed cycle of the handling device.
  • a sheet blank is received on a rear sheet edge area facing away from the transfer device by a conveyor with at least one lifting device with a suction element, the suction element is moved vertically on the lifting device, so that a bow blank is lifted from the stack and a separation of the Bogenzu- section from the stack by means of a separator, the suction element is subjected to a constant vacuum and the conveyor separates by means of a trained in a guide means for horizontal guide stripping the sheet blank from the suction element and guides him the transferor for admission.
  • the implementation of the method can be done with sheet blanks of open corrugated cardboard.
  • FIG. 1 shows a sheet feeder with a handling device in a side view
  • FIG. 2 shows a side view of the handling device in a forward push position after delivery of a sheet blank
  • FIG. 3 shows a sectional view of the handling device along a
  • FIG. 4 shows a plan view of the handling device in a rearward push position
  • 5 shows a side view of the handling device during a suction process
  • 6 shows a sectional view of the handling device along a line VI-VI from FIG. 5;
  • FIG. 8 shows a side view of the handling device in a rearward push position
  • the sheet feeder 20 has a frame 22 with a Kettenhubwerk 23 and with the Kettenhubtechnik 23 vertically movable stack support plate 24 for vertical positioning of a stack 25 with open corrugated cardboard.
  • a take-over device 26 with feed rollers 27 for transferring a sheet blank 60 to a further processing device, not shown here, such as a laminator, connected.
  • the stack 25 is positioned with a front stacking edge 28 against a stop plate 29 of the sheet feeder 20.
  • the handling device 21 is attached to the frame 22 of the sheet feeder 20 and movable in the horizontal direction, so that the handling device 21 can be positioned with a rear stop 33 at a rear stacking edge 34 corresponding to the size of the respective sheet blanks 60 in a working position.
  • the sheet feeder 20 not shown here positioning, such as Distance sensors that detect a horizontal movement of the handling device 21 and a vertical feed of the stack 25 and forward to a control unit, not shown here for the common control of the handling device 21, the sheet feeder 20 and the take-over device 26.
  • FIGS. 2, 3 and 4 show the structure of the handling device 21 for singulating and feeding sheet blanks.
  • 2 shows a side view of the handling device 21 in the working position with the rear stop 33 on the rear stacking edge 34 of the stack 25
  • FIG. 3 shows a sectional view along a line III - III from FIG. 2
  • FIG. 4 shows a top view of the handling device 21.
  • the handling device 21 has a suction tube 35 of a lifting device 36 with a relatively large cross-section for supplying suction air or vacuum.
  • Further suction port 37 of the lifting device 36 are fixedly connected to the suction pipe 35 and suction elements 38 mounted vertically movable on the suction nozzle 37.
  • trained scraper elements 40 are mounted as rotatable rollers.
  • the rollers 39 slightly project beyond an upper receiving plane 41, so that sheet blanks 60 sucked in or lifted off from the lifting device 36 can easily be pushed over the rollers 39 by the suction elements 38 when they are present in the upper receiving plane 41 ,
  • the lifting device 36 is part of a conveying device 42 with the stop device 31 shown in FIG. 1, a guide device 43 for guiding a stripping device 44 and designed as a plate 45 holding elements 46.
  • the stripping device 44 has thrust elements 47 which on push rods 48 about an axis 49 are pivotally mounted. Likewise, the sheets 45 are fixedly mounted on the push rods 48 of the stripping 44.
  • the push rods 48 with the pushers 47 and the sheets 45 are connected to a linear slide 50 horizontally movable between a front push position 51 and a rearward slide position 52 is connected.
  • the drive of the linear slide 50 is servo-motorized via a crank mechanism 53.
  • the fortified on the push rods 48 plates 45 engage under an upper diameter step 54 of the suction elements 38 so that they are held during a horizontal feed movement of the sheets 45 in the upper receiving plane 41 or upon reaching the Rear thrust position 52 are released from the sheets 45 and fall by its own weight on a lower receiving plane 55 of the stack 25.
  • the handling device 21 has a Trennvorrich- device 56 with a hold-down device 57 which has a hold-down 58 which presses on the stack 25 and prevents that when moving a sucked sheet blank 60 of the underlying sheet blank 60 is moved with.
  • Blast nozzles 59 of a blowing device, not shown here the separator 56 undercut a sucked sheet blank 60 to form an air cushion between the sucked and on the stack 25 remaining remaining sheet blank 60.
  • the feed of the upper sheet blank 60 is facilitated, adhering the sheet blanks 60 together prevents and ensures complete separation.
  • the separating device 56 may have a separating device, not shown here, the means of brushes, which are located at the rear stacking edge 34 between the upper receiving plane 41 and the lower receiving plane 55, the separation of two adhering sheet blanks 60 during a lifting operation by stripping the lower sheet blank 60 supported.
  • Fig. 6 shows a sectional view taken along the line VI - VI of Fig. 5 and in conjunction with Fig. 5, the handling device 21 with the conveyor 42 in an initial position of the feeding process.
  • the push rods 48 with the pushers 47 and the sheets 45 are in an approximately middle thrust position with subsequent movement direction opposite to the feed direction. In this Position allows the position of the sheets 45 to the suction elements 38 dropping the suction elements 38 by its own weight on a first sheet blank 60 of the stack 25, since the sheets 45, the diameter step 54 of the suction elements 38 no longer engages.
  • the hold-down device 57 is coupled to the horizontal movement of the push rods 48 via a coupling device, not shown here, and releases the upper sheet blank 60 via the hold-down 58 for a lifting movement of the suction elements 38 with the sheet blank 60.
  • a coupling device not shown here
  • the suction elements 38 push up to the suction nozzle 37 and lift the upper sheet blank 60 until the upper receiving level 41 is reached.
  • FIG. 7 This upper position of the suction elements 38 with the sheet blank 60 is shown in FIG. 7.
  • the pushers 47 are still in this position above the sheet blank 60 and are raised about its axis 49 on the push rods 48 from the sheet blank 60.
  • Fig. 8 shows the handling device 21 during the feeding operation with the push rods 48 and the push elements 47 in the rearward slide position 52.
  • the pushers 47 fall by its own weight against a stop 61 behind the rear stacking edge 34th down and the hold-down 58 sits down on the next sheet blank 60 of the stack 25.
  • the blowing nozzles 59 under blown, as shown schematically here, the raised in a rear Bogenrand- area 62 sheet blank 60.
  • the illustrated in Fig. 1 bow 30 turns over and releases the feed of Bogenzu- section 60 in the transfer device 26.
  • FIG 9 shows the handling device 21 in a feed movement of the feed operation.
  • the push rods 48 move in the feed direction 32, due to the reversal of the direction of the crank mechanism
  • the feed motion begins relatively slowly.
  • the sheet cut 60 is detected and advanced at the rear stacking edge 34 by the pusher elements 47 in the upper receiving plane 41, the sheet blank 60 sucked by the suction elements 38 being stripped off the suction elements 38 and supplied to the transfer device 26. Since the suction nozzle 37 are constantly acted upon by the suction elements 38 with suction or vacuum, the rollers 39 in the suction nozzle 37 support the stripping of the thrust elements 47. During the advancing movement of the push rods 48 with the pushers 47, the nozzles 59 are closed. The plates 45 located on the push rods 48 hold the suction elements 38 in the upper receiving plane 41, so that they only fall back into the rear push position 52 onto the stack 25 and can suck in a sheet blank 60.
  • the sheet flap 30 of the stop device 31 is directed again and blocks an advancing movement of the next sheet blank 60. If the sheet blank 60 is in the feed rollers 27 of the transfer device 26, the advancing movement of the push rods 48 slows during the reverse movement of the crank mechanism 53 through the front Push position 51. In the following, the feed direction 32 opposite direction of movement give the plates 45, the suction elements 38 free again. Previously, the hold-down device 58 has moved away from the stack 25. The suction elements 38 fall on the uppermost sheet blank of the stack 25 and lift it up at high speed.
  • the servo drive of the conveyor device 42 not shown here, stops in the position shown in FIG. 5 and waits for a drive command for a further feed operation.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)

Abstract

L'invention concerne un dispositif de manutention (21) et un procédé pour déliasser des découpes de feuilles (60) d'une pile (25) et les apporter à un équipement de remise. Le dispositif de manutention présente un dispositif transporteur (42) pour apporter une découpe de feuille, avec au moins un équipement de levage (36) doté d'un élément aspirant (38) qui est mobile verticalement sur l'équipement de levage. Il présente également un dispositif séparateur (56) pour séparer les découpes de feuilles de la pile. Une découpe de feuille peut être prise en charge par l'équipement de levage sur une région de bord de feuille arrière opposée à l'équipement de remise. L'élément aspirant est sollicité par un vide permanent, et le dispositif transporteur présente un équipement de guidage (43) pour guider horizontalement un équipement racleur (44) de telle sorte que la découpe de feuille peut être séparée de l'élément aspirant par l'équipement racleur et apportée à l'équipement de remise pour qu'il la prenne en charge.
PCT/EP2006/008618 2006-09-05 2006-09-05 Dispositif de manutention et procédé pour déliasser et alimenter des découpes de feuilles Ceased WO2008028498A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP06777161A EP2061713A1 (fr) 2006-09-05 2006-09-05 Dispositif de manutention et procédé pour déliasser et alimenter des découpes de feuilles
PCT/EP2006/008618 WO2008028498A1 (fr) 2006-09-05 2006-09-05 Dispositif de manutention et procédé pour déliasser et alimenter des découpes de feuilles
CNA2006800557536A CN101506072A (zh) 2006-09-05 2006-09-05 用于分离与传送纸板的装卸装置与方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2006/008618 WO2008028498A1 (fr) 2006-09-05 2006-09-05 Dispositif de manutention et procédé pour déliasser et alimenter des découpes de feuilles

Publications (1)

Publication Number Publication Date
WO2008028498A1 true WO2008028498A1 (fr) 2008-03-13

Family

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Application Number Title Priority Date Filing Date
PCT/EP2006/008618 Ceased WO2008028498A1 (fr) 2006-09-05 2006-09-05 Dispositif de manutention et procédé pour déliasser et alimenter des découpes de feuilles

Country Status (3)

Country Link
EP (1) EP2061713A1 (fr)
CN (1) CN101506072A (fr)
WO (1) WO2008028498A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101898694A (zh) * 2010-08-05 2010-12-01 深圳市科彩印务有限公司 一种烫金机的给纸装置
CN106738025A (zh) * 2016-11-14 2017-05-31 珠海市捷锐科技有限公司 一种用于键盘膜打孔的自动化生产线
CN113954426A (zh) * 2021-11-27 2022-01-21 河南省天润包装有限公司 一种包装箱提手安装机
DE102022101198A1 (de) 2022-01-19 2023-07-20 Koenig & Bauer Ag Bogenanleger und Verfahren zum Betreiben eines Bogenanlegers
WO2023165784A1 (fr) * 2022-03-04 2023-09-07 TRUMPF Werkzeugmaschinen SE + Co. KG Procédé et dispositif de séparation de pièces ouvrées

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108357953B (zh) * 2018-01-15 2019-10-08 中北大学 一种通用纸张无损分离与搬运装置
CN110562775A (zh) * 2019-08-28 2019-12-13 苏州精濑光电有限公司 一种移载台车及分拣机

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3550932A (en) * 1968-06-17 1970-12-29 Usm Corp Adjustable pick-off devices
US4451028A (en) 1981-11-27 1984-05-29 Xerox Corporation Sheet feeding apparatus
JPH07242354A (ja) 1994-03-03 1995-09-19 Taihei Mach Works Ltd 板体の搬出方法および装置
EP1044906A2 (fr) * 1999-04-16 2000-10-18 LTG Mailänder GmbH Méthode et dispositif pour séparer des objets plats et flexibles

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3550932A (en) * 1968-06-17 1970-12-29 Usm Corp Adjustable pick-off devices
US4451028A (en) 1981-11-27 1984-05-29 Xerox Corporation Sheet feeding apparatus
JPH07242354A (ja) 1994-03-03 1995-09-19 Taihei Mach Works Ltd 板体の搬出方法および装置
EP1044906A2 (fr) * 1999-04-16 2000-10-18 LTG Mailänder GmbH Méthode et dispositif pour séparer des objets plats et flexibles

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
KIPPHAN, HELMUT: "Handbook of Print Media, Technologies and Production Methods", 2001, SPRINGER VERLAG, BERLIN, ISBN: 3-540-67326-1, XP002431266 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101898694A (zh) * 2010-08-05 2010-12-01 深圳市科彩印务有限公司 一种烫金机的给纸装置
CN101898694B (zh) * 2010-08-05 2012-01-18 深圳市科彩印务有限公司 一种烫金机的给纸装置
CN106738025A (zh) * 2016-11-14 2017-05-31 珠海市捷锐科技有限公司 一种用于键盘膜打孔的自动化生产线
CN113954426A (zh) * 2021-11-27 2022-01-21 河南省天润包装有限公司 一种包装箱提手安装机
DE102022101198A1 (de) 2022-01-19 2023-07-20 Koenig & Bauer Ag Bogenanleger und Verfahren zum Betreiben eines Bogenanlegers
DE102022101198B4 (de) * 2022-01-19 2026-01-15 Koenig & Bauer Ag Bogenanleger und Verfahren zum Betreiben eines Bogenanlegers
WO2023165784A1 (fr) * 2022-03-04 2023-09-07 TRUMPF Werkzeugmaschinen SE + Co. KG Procédé et dispositif de séparation de pièces ouvrées

Also Published As

Publication number Publication date
CN101506072A (zh) 2009-08-12
EP2061713A1 (fr) 2009-05-27

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