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EP0575707B1 - Verfahren zum Abstapeln einzelner Bleche von einem Blechstapel und Vorrichtung zur Durchführung des Verfahrens - Google Patents

Verfahren zum Abstapeln einzelner Bleche von einem Blechstapel und Vorrichtung zur Durchführung des Verfahrens Download PDF

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Publication number
EP0575707B1
EP0575707B1 EP93105095A EP93105095A EP0575707B1 EP 0575707 B1 EP0575707 B1 EP 0575707B1 EP 93105095 A EP93105095 A EP 93105095A EP 93105095 A EP93105095 A EP 93105095A EP 0575707 B1 EP0575707 B1 EP 0575707B1
Authority
EP
European Patent Office
Prior art keywords
sheet
destacking
sheets
stack
suction
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.)
Expired - Lifetime
Application number
EP93105095A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0575707A1 (de
Inventor
Peter Gysi
Armin Ineichen
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.)
Elpatronic AG
Original Assignee
Elpatronic AG
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 Elpatronic AG filed Critical Elpatronic AG
Publication of EP0575707A1 publication Critical patent/EP0575707A1/de
Application granted granted Critical
Publication of EP0575707B1 publication Critical patent/EP0575707B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65H3/40—Separating articles from piles by two or more separators acting alternately on the same pile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/30—Feeding material to presses
    • 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
    • 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
    • B65H3/085—Suction grippers separating from the bottom of 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
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/173—Metal

Definitions

  • the invention relates to a method according to the preamble of claim 1. Furthermore, the invention relates to an apparatus for performing the method and an application of the method.
  • Stackers according to the preamble are known from documents DE-B-1 047 216 and FR-A-1 140 657. With these stackers, the sheets removed from a stack are transferred from one stacking member to another stacking member in the course of the stacking process. This limits the number of cycles.
  • FIGS. 1 and 2 Devices for stacking sheets from a sheet stack are also known, as are shown in FIGS. 1 and 2.
  • a sheet is torn off from the stack of sheets arranged above the suction bar by means of a suction bar.
  • the known means for holding the stack of sheets are not shown in FIG. 1.
  • the suction bar is moved upwards to tear off the sheet.
  • the sheet is held by the suction cups connected to a vacuum line and placed on a sheet storage table.
  • the suction cups are then detached from the sheet and moved a little further down.
  • An insertion arm then shifts the sheet laterally towards the take-off rollers, which convey the sheet away.
  • the described stacking device is complex and limited in its number of cycles.
  • Figure 2 shows a further known embodiment of a stacking device.
  • a sheet is torn off from a sheet stack arranged above the suction bar by means of a suction bar.
  • the suction bar then performs a circular arc-shaped movement by means of a parallelogram bar guide and a crank mechanism and thereby guides the sheet metal Take-off rollers too. After this step, the suction bar is moved upwards again along the circular arc to tear off the next sheet.
  • This version is also limited in its number of cycles.
  • the invention is therefore based on the object of providing a method for stacking metal sheets which can achieve very high cycle rates and which can be easily implemented.
  • Two stacking elements are provided. While one of the stacking members takes care of the positioning, the other stacking member is already busy preparing the next sheet. The two stacking elements alternate.
  • the invention is further based on the object of providing an apparatus for carrying out the method. This is achieved by a device according to claim 4.
  • FIG. 1 shows a stacking device according to the prior art.
  • a suction bar 2 is arranged below the sheet stack 1, which is held by holding means (not shown).
  • This suction bar can be moved up and down by the drive unit 6.
  • the suction cups of the suction bar come to rest against the sheet stack 1.
  • By generating negative pressure in the suction cups they grip the bottom sheet of the stack.
  • the suction bar downward the bottom sheet 10 is torn off the stack and placed on the sheet storage table 3.
  • the suction cups release the sheet 10.
  • An insertion arm driven by the drive unit 6 then pushes the sheet 10 to the take-off rollers 7 and 8, which move the sheet away from the stack.
  • the suction bar 2 is then moved upward again in the direction of the sheet stack 1 in order to tear off the next sheet from the stack.
  • FIG. 2 shows a further stacking device according to the prior art.
  • the suction bar 2 is fastened to a bar guide 9 which can be moved on a circular path via a parallelogram guide and a crank mechanism 11. Accordingly, the suction bar 2 performs a circular path movement.
  • the sheet torn off the suction beam 2 from the stack 1 is guided through the suction beam 2 to the take-off rollers 7 and 8.
  • the sheet is then transported on by the take-off rollers.
  • the suction bar 2 again leads an upward movement to the sheet stack 1 to tear off the next sheet from the stack.
  • FIG. 3 shows a first embodiment for carrying out the method according to the invention.
  • the same parts as in the previous figures are again identified with the same reference numerals.
  • the sheet stack 1 is held in a stack guide 12. As is known, this is not described further below.
  • two suction elements 20 and 30 are present. Each of these suction elements 20, 30 can carry one of the sheets. In the position shown in FIG. 3, one suction element 20 bears against the underside of the sheet stack 1 and engages the bottom sheet 14 of the stack. The gripping also takes place here by generating a negative pressure in the suction element.
  • the use of electromagnetic or mechanical gripping elements is also possible.
  • the other suction element 30 is in the feed position for the sheet 10 held by it, which is drawn into the conveying path by the take-off rollers 7 and 8.
  • the suction element carries the sheet 10 without holding it under vacuum so that the rollers 7 and 8 can pull off the sheet.
  • the first suction element 20 now begins to move the sheet 14 held by it downward along the curve a.
  • the edge of the sheet 14 facing the take-off rollers executes a path along the line AA '
  • the edge of the sheet 14 facing away from the take-off rollers performs a path along the line BB' in the drawing. While the one suction element with the plate 14 is on the way to the retracted position, the second suction element 30 is no longer required to hold the retracted plate 10.
  • This suction element 30 is now moved backwards along the curve b away from the take-off rollers and subsequently moved upwards along the curve c in order to pick up a new sheet 15 from the stack. In this way along the curve b, c, the suction element 30 bypasses the on the Sheet 14 located in the retracted position, which is brought into this position by the first suction element 20. The process described is now repeated.
  • the sheet 14 is held by the suction element 20 without negative pressure until the take-off rollers have gripped the sheet to a sufficient length.
  • the suction element 30 now grabs the sheet 15 from the stack and then likewise moves downward along the curve a into the draw-in position.
  • the suction element 20 in turn moves again after the sheet 14 held by it has been drawn upwards along the curves b, c to the stack 1. It is readily apparent that in this way a significantly increased feed cycle of sheets to the conveyor line can be achieved since two suction elements are in use at the same time.
  • the drive for moving the suction elements 20 and 30 along the curve a, b, c is not shown. Such a drive can be implemented in various ways in a known manner, for example as a hydraulic or electrical drive.
  • FIG. 4 schematically shows the use of such a stacking device when welding can bodies.
  • the sheets, of which the sheet 10 is shown, are input into the conveying path by the suction elements 20 and 30, respectively, and arrive there in a shaping station 40, which preforms the can body and then in a calibration station 50, which brings the can body to the desired size and then into the welding station 60, in which the longitudinal seam of the can is welded.
  • the method according to the invention can also be carried out when stacking sheets from the top of the stack of sheets. At most, stacking can be carried out optionally or generally from below and above.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Making Paper Articles (AREA)
  • Secondary Cells (AREA)
  • Stacking Of Articles And Auxiliary Devices (AREA)
EP93105095A 1992-05-25 1993-03-27 Verfahren zum Abstapeln einzelner Bleche von einem Blechstapel und Vorrichtung zur Durchführung des Verfahrens Expired - Lifetime EP0575707B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1671/92 1992-05-25
CH167192 1992-05-25

Publications (2)

Publication Number Publication Date
EP0575707A1 EP0575707A1 (de) 1993-12-29
EP0575707B1 true EP0575707B1 (de) 1996-06-12

Family

ID=4215889

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93105095A Expired - Lifetime EP0575707B1 (de) 1992-05-25 1993-03-27 Verfahren zum Abstapeln einzelner Bleche von einem Blechstapel und Vorrichtung zur Durchführung des Verfahrens

Country Status (10)

Country Link
US (1) US5395103A (ja)
EP (1) EP0575707B1 (ja)
JP (2) JPH0648596A (ja)
KR (1) KR100262553B1 (ja)
CN (1) CN1034490C (ja)
BR (1) BR9302037A (ja)
DE (1) DE59302885D1 (ja)
MX (1) MX9303018A (ja)
RU (1) RU2125963C1 (ja)
TW (1) TW222248B (ja)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59503065D1 (de) * 1994-11-28 1998-09-10 Elpatronic Ag Verfahren zur Inbetriebnahme oder Umrüstung einer Zargenschweissmaschine sowie ein modulares Magazin zum Durchführen des Verfahrens
EP0714843B1 (de) * 1994-11-28 1998-12-23 Elpatronic Ag Verfahren und Anordnung zur Zuführung eines Gegenstandes in eine Fördereinrichtung
US6588648B1 (en) * 1998-03-03 2003-07-08 Elpatronic Ag Method and device for transferring a hollow-profile blank
NL1012677C2 (nl) * 1999-07-22 2001-01-23 William Van Der Burg Inrichting en werkwijze voor het plaatsen van een informatiedrager.
SE0102212D0 (sv) * 2001-06-20 2001-06-20 Abb Ab Matningsanordning, matningsstation samt förfarande för matning
US10136884B2 (en) 2009-07-17 2018-11-27 Pivot Medical, Inc. Method and apparatus for attaching tissue to bone, including the provision and use of a novel knotless suture anchor system, including a retractable sheath
DE102010012084A1 (de) * 2010-03-19 2011-09-22 Sms Siemag Ag Verfahren und Vorrichtung zum Zuführen einer Trennlage auf ein Metallband
CH707362B1 (de) * 2012-12-17 2019-05-15 Soudronic Ag Verfahren zum Abstapeln von Metallblechen und Abstapelvorrichtung.
CN103287615B (zh) * 2013-06-14 2016-01-20 江西创一精密机械有限公司 薄料板分板装置
DE102017207004A1 (de) * 2017-04-26 2018-10-31 Homag Gmbh Vorrichtung zum Vereinzeln von Werkstücken
CN108382850B (zh) * 2018-04-08 2024-05-10 汕头市信力制罐设备有限公司 一种高速制罐片材吸送机构
CN108394690A (zh) * 2018-05-31 2018-08-14 哈尔滨商业大学 一种自动木板输送设备
CN110561898A (zh) * 2019-09-02 2019-12-13 浙江科力印业新技术发展有限公司 一种不沾油墨智能指纹仪
CN111792408B (zh) * 2020-06-24 2022-04-08 上海祥仓包装印刷有限公司 一种不干胶模切机进纸机构
CN112158460B (zh) * 2020-08-25 2022-08-30 江苏卓高新材料科技有限公司 一种便于存取装置与方法
CN114260379A (zh) * 2022-03-02 2022-04-01 徐州朗润木业有限公司 一种家具制造连接件冲压成型设备

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1140657A (fr) * 1956-01-28 1957-08-05 Machine à séparer et avancer des feuilles
DE1047216B (de) * 1955-02-08 1958-12-24 Headley Townsend Backhouse Blattabsonderungs- und -befoerderungs- maschine zum einzelnen Absondern der Blaettervon einem Stapel und Zufuehren der Blaetter zu Druck-, Falt- und Schneidmaschinen
EP0196358A2 (en) * 1985-04-04 1986-10-08 Sealed Power Corporation Electrohydraulic control of a spool valve for energizing a heavy duty automatic transmission clutch

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US3718328A (en) * 1971-02-12 1973-02-27 Latta S Inc Shingling device
US3724687A (en) * 1971-03-26 1973-04-03 Marguip Inc Panel board feeding apparatus
US3887177A (en) * 1973-09-07 1975-06-03 Phillips Petroleum Co Sheet feeding mechanism
US3937458A (en) * 1974-06-03 1976-02-10 H. J. Langen & Sons Ltd. Rotary transfer mechanism
US4002332A (en) * 1975-04-09 1977-01-11 Acme Steel Door Corporation Automatic feed mechanism for power brake or the like
IT1069470B (it) * 1976-05-06 1985-03-25 Gd Spa Dispositivo trasportatore per l alimentazione di tratti di materiale in foglio..paritcolarmente di sbozzati o fustellati di cartoncino o simili..ad una macchina utilizzatrice..particolarmente ad una macchina condizionatrice di sigarette in pacchetti del tipo con coperchio incernierato hinged lid
DE2637218C2 (de) * 1976-08-18 1980-10-02 Georg Spiess Gmbh, 8906 Gersthofen Bogenanleger
US4350466A (en) * 1980-05-08 1982-09-21 Mgs Machine Corporation Apparatus for handling articles
DE3211610C2 (de) * 1982-03-30 1985-04-18 Agfa-Gevaert Ag, 5090 Leverkusen Vorrichtung zum Abnehmen eines Blattes von einem Stapel
US4518301A (en) * 1982-07-06 1985-05-21 R. A. Jones & Co. Inc. Orbital feeder
JPS6071435A (ja) * 1983-09-27 1985-04-23 Hitachi Medical Corp Ｘ線装置用フイルム交換器のフイルム取り出し装置
DE3420839A1 (de) * 1984-06-05 1985-12-05 Volker P. 7981 Bodnegg Grzesch Selbsttaetige beschickungsvorrichtung fuer pressen zur blechbearbeitung
JPS61197333A (ja) * 1985-02-22 1986-09-01 Matsushita Electric Works Ltd シ−トの送り出し方法
CH667414A5 (de) * 1985-03-18 1988-10-14 Elpatronic Ag Schweissmaschine zum anschweissen von laschen an blechteile.
CH679219A5 (ja) * 1989-07-06 1992-01-15 Elpatronic Ag
US5152521A (en) * 1990-04-20 1992-10-06 Fuji Photo Film Co., Ltd. Sheet feed mechanism

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1047216B (de) * 1955-02-08 1958-12-24 Headley Townsend Backhouse Blattabsonderungs- und -befoerderungs- maschine zum einzelnen Absondern der Blaettervon einem Stapel und Zufuehren der Blaetter zu Druck-, Falt- und Schneidmaschinen
FR1140657A (fr) * 1956-01-28 1957-08-05 Machine à séparer et avancer des feuilles
EP0196358A2 (en) * 1985-04-04 1986-10-08 Sealed Power Corporation Electrohydraulic control of a spool valve for energizing a heavy duty automatic transmission clutch

Also Published As

Publication number Publication date
BR9302037A (pt) 1993-11-30
US5395103A (en) 1995-03-07
KR100262553B1 (ko) 2000-08-01
EP0575707A1 (de) 1993-12-29
JPH09532U (ja) 1997-10-31
KR930023157A (ko) 1993-12-18
MX9303018A (es) 1994-06-30
JPH0648596A (ja) 1994-02-22
RU2125963C1 (ru) 1999-02-10
TW222248B (ja) 1994-04-11
DE59302885D1 (de) 1996-07-18
CN1034490C (zh) 1997-04-09
CN1080612A (zh) 1994-01-12

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