EP0453711A1 - Procédé pour retirer et déposer une pile de feuilles poinçonnée ou des piles en matière feuilletée similaires d'une pile entière et dispositif pour celui-ci - Google Patents

Procédé pour retirer et déposer une pile de feuilles poinçonnée ou des piles en matière feuilletée similaires d'une pile entière et dispositif pour celui-ci Download PDF

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Publication number
EP0453711A1
EP0453711A1 EP91100802A EP91100802A EP0453711A1 EP 0453711 A1 EP0453711 A1 EP 0453711A1 EP 91100802 A EP91100802 A EP 91100802A EP 91100802 A EP91100802 A EP 91100802A EP 0453711 A1 EP0453711 A1 EP 0453711A1
Authority
EP
European Patent Office
Prior art keywords
stack
removal
sheet
conveyor belt
lifting
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.)
Withdrawn
Application number
EP91100802A
Other languages
German (de)
English (en)
Inventor
Klaus Dipl.-Ing. C/O Keil & Schaafhausen Jung
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.)
Schoen und Cie GmbH
Original Assignee
Schon & Cie AG
Schoen und Cie 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 Schon & Cie AG, Schoen und Cie GmbH filed Critical Schon & Cie AG
Publication of EP0453711A1 publication Critical patent/EP0453711A1/fr
Withdrawn legal-status Critical Current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
    • B65H31/00—Pile receivers
    • B65H31/30—Arrangements for removing completed piles
    • B65H31/3081—Arrangements for removing completed piles by acting on edge of the pile for moving it along a surface, e.g. by pushing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18—Means for removing cut-out material or waste
    • B26D7/1818—Means for removing cut-out material or waste by pushing out
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/27—Means for performing other operations combined with cutting
    • B26D7/32—Means for performing other operations combined with cutting for conveying or stacking cut product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/40—Cutting-out; Stamping-out using a press, e.g. of the ram type
    • B26F1/405—Travelling head 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
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/006—Feeding stacks of articles to machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18—Means for removing cut-out material or waste
    • B26D2007/1881—Means for removing cut-out material or waste using countertools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/27—Means for performing other operations combined with cutting
    • B26D7/32—Means for performing other operations combined with cutting for conveying or stacking cut product
    • B26D2007/322—Means for performing other operations combined with cutting for conveying or stacking cut product the cut products being sheets, e.g. sheets of paper
    • 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
    • B65H2301/422—Handling piles, sets or stacks of articles
    • B65H2301/4224—Gripping piles, sets or stacks of articles
    • B65H2301/42242—Gripping piles, sets or stacks of articles by acting on the outermost articles of the pile for clamping 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
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/176—Cardboard

Definitions

  • the invention relates to a method for removing and depositing a punched-out sheet stack or the like. Stack of sheet-like material from an entire stack following a punching operation, the entire stack with the punched-out sheet stacks after punching from the punching or sliding table onto a depositing table of a punching machine is pushed.
  • Such a method is known from DE-OS 36 42 260.
  • an entire stack prepared for punching is first drawn from a feed table onto the punching table by means of a pair of transport tongs, whereupon individual sheet stacks are then punched out of the entire stack.
  • an entire punched stack is simultaneously pushed from the punching table onto a delivery table via an extension bar arranged on the transport tongs.
  • the Subsequent removal and storage of the punched-out sheet stacks from the entire stack is carried out by hand in this method.
  • this removal and depositing process is very labor-intensive and therefore labor-intensive and time-consuming.
  • clumsy handling can adversely affect edge-clean alignment when depositing the sheet stack for packaging or further processing.
  • the object of the invention is to provide a method which makes it possible to rationalize the removal, depositing and removal process, so that a simple and quick removal and an edge-clean depositing of a sheet stack for further transport or for further processing is ensured.
  • This object is essentially achieved in that the sheet stack to be removed is moved into a removal position of a removal device, that the sheet stack is then removed from the entire stack by the removal device, that the sheet stack is transferred to a removal device, and that after all sheet stacks have been removed from the entire stack the stack waste is dropped from the storage table or the removal device.
  • the automation of the removal and depositing process achieves a considerable improvement while avoiding the previous manual removal and eliminating the problems associated therewith.
  • the inventive method which is the usual punching process, the utilization of a known punching machine can be increased, since the punching process is no longer dependent on the irregular speed of manual removal, but is determined by a controlled, precisely controllable removal and depositing process adapted to the punching process.
  • Another disadvantage of this known device is that after punching out a stack of sheets, the next stack of sheets can only be punched out when a gripping device has removed the punched-out sheet stack from the die-cutting knife. The punching speed of the punching machine is considerably reduced as a result.
  • a punching machine is known in which endless single-layer flat material is punched out and removed from the flat material with a stripping or ejecting device.
  • a conveyor belt can be lowered beneath the stripping device so that the free fall of the individual stamped parts can be kept very small and the stamped parts then lie cleanly and without edges on a stack.
  • this method does not punch out sheet stacks, only individual punched parts.
  • the punching machine described there is not suitable for punching sheet stacks from an entire stack, since the method described there is only intended for punching punched parts from endless flat material.
  • the sheet stack is pushed into the removal position of the removal device via a sliding device that may be horizontally movable. This ensures that the sheet stack is exactly in the removal position for removal and can then be removed reliably.
  • the sliding device In order to be able to slide an entire stack from the sliding table onto the storage table, it is necessary for the sliding device to be moved out of the movement path of the entire stack after its previous work cycle. For this purpose, the sliding device can be lowered or raised.
  • the sheet stack is at least partially clamped via a lowerable clamping device during the removal of the sheet stack.
  • the entire stack is preferably clamped adjacent to the stack of sheets when the stack of sheets is removed, preferably the stack or stack of sheets following in the longitudinal direction of movement.
  • the stack of sheets is lifted out of the entire stack by means of a vertically movable lifting device of the removal device. Lifting upwards ensures that the further removal and depositing process is not hindered.
  • a special embodiment provides that the sheet stack is moved into the removal position for lifting on a removal table of the lifting device.
  • a vertically movable holding plate is lowered onto the sheet stack to be lifted before lifting, which is also lifted when lifting.
  • the sheet stack is preferably rotated after the lifting, if necessary by the lifting device.
  • a hold-down device of the lifting device is lowered at least onto the sheet stack adjacent to the sheet stack to be lifted. Through this at least the adjacent stack of sheets is held in its position so that it can then be removed in a perfectly aligned manner.
  • another idea of the invention provides that the entire stack at least after moving the second row in the removal position is clamped on the table until it is ejected. In this way, the entire stack is prevented from falling or slipping off.
  • the entire stack is constantly held or clamped and arching should be prevented when moving, the entire stack is preferably held by means of clamping means of the sliding device.
  • the clamping means is opened, if necessary the stack waste is pushed further by means of the sliding device, and the stack waste is thrown off the support table.
  • the discarding can be done in a simple manner by letting the stack waste drop from the storage table or removal table by releasing it due to the overhanging weight.
  • the total stack waste is dropped onto a waste conveyor belt of the removal device, which can remove the waste from the drop point and transport it into a collecting container or the like.
  • the excavated sheet stack is taken over from the removal device by removal tongs which may be vertically and horizontally movable. Due to the three-dimensional mobility of the removal tongs, the sheet stack can be placed anywhere for further processing or for further transport.
  • the removal tongs are expediently moved together with the lifting device transversely to the direction of movement of the entire stack, so that the excavated sheet stack can be transferred to the removal tongs without loss of time.
  • the stack of sheets is deposited by the removal tongs on a conveyor belt of the transport device, so that the sheet stack can be transported directly from the removal area.
  • the sheet stack is transferred from the conveyor belt to another conveyor belt.
  • the sheet stack can be moved over this further conveyor belt, taking into account the local conditions, from the punching and removal area for further processing or the like.
  • the top and / or bottom sheet of the sheet stack is / are removed according to a particularly advantageous embodiment of the invention after the stack of sheets has been deposited on the conveyor belt.
  • This removal can be done particularly simply by removing the bottom sheet after transferring the sheet stack to the removal device, preferably between the conveyor belt and the further conveyor belt.
  • the top sheet can easily be removed on the further conveyor belt, for example for reasons of space.
  • the stack of sheets is expediently aligned by an alignment device after transfer to the removal device.
  • the sheet stack is aligned on the further conveyor belt, preferably after removal of the top and / or bottom sheet.
  • the stack of sheets can be aligned particularly simply by moving the further conveyor belt vertically up and down for alignment.
  • the removed stack of sheets can be easily removed if necessary using further removal tongs.
  • a particularly precise control and monitoring of the method according to the invention is achieved in that the cycle sequence of the individual method steps is monitored and controlled via control means such as buttons, photocells, transmitters and limit switches or the like.
  • the invention further relates to a device for removing and depositing punched sheet stacks or the like. Sheet-like material from an entire stack.
  • a device for removing and depositing punched sheet stacks or the like Sheet-like material from an entire stack.
  • Such a device can be arranged in a simple manner on a known punching machine, which considerably improves the economy of the punching machine.
  • the device according to the invention is characterized by a sliding device for the entire stack, a removal device for, which can be moved in the direction of movement of the entire stack the stack of sheets to be removed and a removal device for the removed sheet stack.
  • a separate design of such a device ensures that known punching machines, in which the removal and storage have so far been carried out manually, can be retrofitted in a simple manner, as a result of which the utilization of such a punching machine can be considerably improved.
  • the movable sliding device By means of the movable sliding device, a stack of sheets can be brought into the removal position using already existing means, then removed via the removal device and finally handed over to the removal device for removal.
  • the sliding device has a sliding bar which essentially corresponds to the width of the entire stack, so that an entire stack can be pushed securely into the removal position.
  • the sliding bar can be moved vertically.
  • Clamping means are advantageously arranged on the sliding bar and hold the entire stack on the storage table at least after the first shifting. As a result, the storage table can be relatively short.
  • the clamping means are designed as clamping fingers that can be moved onto the entire stack.
  • the removal device has a lifting device, via which the sheet stack is removed from the entire stack.
  • the lifting device advantageously has a removal table which adjoins the storage table of the punching machine and onto which the stack of sheets is pushed into the removal position for removal.
  • the lifting device is expediently provided with a vertically displaceable lifting plate, preferably arranged in the removal table, so that the stack of sheets can be removed from the entire stack without being displaced.
  • the lifting device has a vertically movable holding plate arranged above the lifting plate.
  • the lifting plate and possibly the holding plate can be rotated about their vertical axis so that the excavated sheet stack can be rotated, for example, for further processing.
  • At least the lifting device can be moved transversely to the direction of movement of the entire stack.
  • the lifting device has a vertically movable hold-down device which, viewed in plan view, is arranged adjacent to the lifting plate transversely to the direction of movement of the entire stack.
  • a clamping device which can be lowered onto the entire stack is provided, by means of which a bulging of the entire stack is prevented during the lifting of the sheet stack.
  • the clamping device can have a clamping bar which extends essentially over the width of the entire stack and with which the entire stack is held down over its entire width during the excavation, so that displacement of the entire stack is prevented.
  • the clamping device is arranged such that the clamping bar adjacent to the sheet stack to be removed can preferably be lowered onto the row following the sheet stack to be removed.
  • the removal device expediently has a horizontally displaceable removal tongs.
  • the removal tongs can advantageously be moved vertically.
  • the removal device can have at least one conveyor belt connected downstream of the removal tongs.
  • the removal device has a further conveyor belt connected downstream of the conveyor belt, by means of which the sheet stack can be transported from the removal area.
  • the removal device expediently has a waste conveyor belt arranged downstream of the storage or removal table.
  • the device according to the invention can be provided with a sheet removal device for removing the top and / or bottom sheet of the sheet stack.
  • the sheet removal device has a suction roller.
  • roller circulation speed preferably corresponds to the belt speed, only one sheet is removed from below from the sheet stack.
  • the sheet removal device may have a swiveling suction device which is arranged above the sheet stack to be removed.
  • the device according to the invention has an alignment device for the sheet stack removed.
  • This alignment device expediently has stops movable in the path of movement of the sheet stack and / or on the side edges of the sheet stack.
  • the alignment device is expediently arranged above the further conveyor belt.
  • a further removal tongs is connected after the further transport.
  • the device has the cycle sequence monitoring and controlling monitoring and control means or the like on buttons, photocells, limit switches, sensors.
  • the punching machine 1 shown in FIG. 1, designed as a bridge plate punch, has a motor-operated sliding or punching table 2, on which an entire stack 3 of sheet-like material is placed and automatically punched out.
  • the punching machine 1 is provided with a feed table 4 on which a new total stack 3 'intended for punching is arranged.
  • To punch the entire stack 3 ' it is pulled onto the sliding table 2 by a pair of pliers 5.
  • the punched-out entire stack 3 is pushed from the sliding table 2 through the rear side 5 'of the pliers 5 onto a storage table 6.
  • the punched total stack located there bears the reference symbol 3 ′′.
  • the tongs 5 are then lifted up, travel over the entire stack 3 into the starting position and then lower again onto the feed table 4.
  • the device according to the invention is e.g. provided for retrofitting on such a punching machine 1. It has a pushing device for the entire stack 3 ′′, a removal device for a punched-out sheet stack 39 from the entire stack 3 ′′ and a removal device.
  • the sliding device is provided with a sliding bar 7, which can be moved in the direction of movement of the entire stack 3 ′′.
  • the length of the sliding bar 7 essentially corresponds to the width of the entire stack 3 "".
  • the sliding bar 7 can be moved vertically. In the exemplary embodiment in FIG. 1, this position is represented by a clamp beam 7 'which has been raised.
  • Clamping means for clamping the entire stack 3 ′′ on the storage table 6 are arranged on the sliding beam 7.
  • the clamping means have clamping fingers 13 which can be pivoted onto the entire stack 3 ′′ via an axis of rotation running coaxially to the sliding beam 7.
  • the clamping fingers 13 are actuated via pneumatic cylinders 14 and a rack and pinion drive 15.
  • the actuation by other means is also possible.
  • the sliding bar 7 itself is guided laterally in a ball guide 8 and driven by a motor 9 with a toothed belt drive 10. The position of the sliding bar 7 is carried out via electrical control means.
  • the device is also provided with a clamping device which can be lowered onto the entire stack 3 ′′.
  • the clamping device has a clamping bar 11 that extends across the width of the entire stack 3 ′′.
  • the clamping bar 11 is actuated via a pneumatic cylinder 12.
  • the pneumatic cylinder 12 in turn is stationary and in this embodiment is attached to the punching machine 1.
  • the removal device has a lifting device 16 and removal tongs 32.
  • the lifting device 16 can be moved transversely to the direction of movement of the entire stack 3 ′′.
  • the removal device has rollers 20 with running rails, ball guides (not shown) or the like.
  • the drive is effected by a motor 17 shown in FIG. 3 via a toothed belt 18, a spindle (not shown) or the like.
  • Corresponding control means are also provided here for the exact positioning on the sheet stack 39 to be lifted out.
  • the lifting device 16 is provided with a removal table 19 which is flush with the storage table 6.
  • a lifting plate 21 can be raised and lowered and rotated about its own axis.
  • the vertical movement is brought about by a pneumatic cylinder 22, while the rotary movement takes place via a rack and pinion drive 23 (cf. FIG. 5) with a pneumatic cylinder 24.
  • a depression 19 ′′ in the removal table 19, which completely receives the lifting plate 21 in the lowered state, so that the lifting plate 21 does not protrude beyond the surface of the removal table 19.
  • a holding plate 25 is mounted in the upper part 26 of the lifting device 16 above the lifting plate 21.
  • the holding plate 25 can be moved vertically in the direction of the lifting plate 21 via a guide rod 27 and a pneumatic cylinder 28.
  • the guide plate 25 is fastened to the guide rod 27 via a rotary fastening 27 ′ and can therefore be rotated easily.
  • a holding-down device 29 is arranged adjacent to the holding plate 25 and can be lowered via a pneumatic cylinder 30 onto the sheet stack 39 adjacent to the sheet stack 39 to be lifted.
  • the removal device 32 is followed by the removal device 32 of the removal device.
  • the removal pliers 32 are mounted in a frame 31 arranged approximately transversely to the upper part 26 of the lifting device 16 on a ball guide 33 or the like, horizontally movable.
  • the extraction tongs 32 are driven by a toothed belt drive 34 with a motor (not shown).
  • the removal tongs 32 are actuated pneumatically. It is also provided with a device, not shown, which can consist of ball guides with rods and a pneumatic cylinder, which allows the removal forceps 32 to be adjusted in height to the operational requirements, for example during removal, both when the sheet stack 39 is taken over and when it is deposited.
  • a removal device with a waste conveyor belt 35 and a conveyor belt 36, which are each set up stationary on the floor.
  • the belts 35, 36 are driven by motors which can be switched and controlled as required.
  • the waste conveyor belt 35 is arranged directly after the removal table 19 transversely to the direction of movement of the entire stack 3 ′′.
  • the conveyor belt 36 is arranged approximately parallel to the waste conveyor belt 35.
  • the removal device also has a further conveyor belt 37 connected downstream of the conveyor belt 36.
  • a driven suction roller 38 of a sheet removal device is arranged between the conveyor belt 36 and the further conveyor belt 37.
  • the suction roller 38 runs at belt speed, so that only one sheet is removed from each sheet stack 39.
  • the bottom sheet of each sheet stack 39 is sucked in through appropriate bores in the jacket of the suction roller 38 and is thrown downward, for example, into a waste container (not shown).
  • a suction device 41 of the sheet removal device which lifts the top sheet of a sheet stack 39, swivels it into position B and throws the sheet to waste (see FIGS. 6 and 7).
  • an alignment device is arranged above the further conveyor belt 37.
  • This has stops 40 which can be pivoted in the path of movement of the sheet stack 39 to be transported and stops 42 which can be pivoted to the lateral edges.
  • the stops 40 and 42 are adjustable to the stack size and are moved pneumatically via cylinders, not shown.
  • the further conveyor belt 37 can be lowered via a cylinder 43 so as not to impede the alignment process of the sheet stack 39.
  • a further removal forceps 44 is arranged, which takes over the sheet stack 39 and, if necessary, transfers it to another means of transport.
  • the removal tongs 44 can also be part of a robot or a further processing system.
  • the transfer of the sheet stack 39 from the conveyor belt 36 to the further conveyor belt 37 is monitored by control means such as buttons, photocells or the like in order to control the cycle sequence.
  • the entire device is monitored by limit switches, photocells and transmitters and the cycle sequence is controlled by a suitable electrical and electronic control. Microprocessors and computers can be used for this.
  • a punched total stack 3 or 3 ′′ is pushed from the sliding table 2 onto the storage table 6.
  • the sliding bar 7 is moved vertically upward out of the movement path of the entire stack 3 ′′, as is shown in FIG. 1 by reference number 7 ′.
  • the sliding bar 7 is lowered, lies against the rear end edge of the entire stack 3 ′′ and pushes it into the first removal position.
  • the clamping bar 11 and the hold-down device 29 then lower onto the entire stack 3 ′′. Clamping bar 11 and hold-down 29 hold the entire stack 3 ′′ in place during the lifting process.
  • the holding plate 25 also lowers onto the sheet stack 39 to be removed.
  • the lifting plate 21 is then raised by the pneumatic cylinder 22, as shown in FIG. 5.
  • the removal tongs 32 move from a waiting position into the sheet stack 39, close to grasp the sheet stack, move over the conveyor belt 36, lower, if necessary, and place the sheet stack 39 on the conveyor belt 36.
  • the removal tongs 32 can fully engage under the sheet stack 39, so that the sheet stack 39 does not hang down from the removal tongs 32. With rigid material of the sheet stack 31 is a such reaching under is not necessary.
  • the lifting plate 21, the holding plate 25 and the hold-down device 29 are moved back into their starting position.
  • the removal device with lifting device 16 and removal tongs 32 then traverse across the longitudinal direction of movement of the entire stack 3 ′′ over the next punched-out sheet stack 39 of this transverse row. In this way, the sheet stacks 39 located laterally in a row are lifted one after the other and placed on the conveyor belt 36.
  • the clamping bar 11 is raised and the sliding bar 7 pushes the entire stack 3 ′′ with the next row punched out onto the removal table 19 into the next removal position.
  • the clamping fingers 13 are actuated and hold the entire stack 3 ′′ on the storage table 6 or the removal table 19, so that the total stack waste hanging down on the table edge 19 ′ does not follow the total stack 3 ′ remaining on the table 6, 19.
  • the clamping bar 11 closes again and holds the entire stack 3 ′′.
  • the removal and depositing process now starts again.
  • the sliding bar 7 still moves somewhat in the direction of movement and the stack waste falls onto the waste conveyor belt 35, from which the waste is removed.
  • the latter runs over the suction roller 38 onto the further conveyor belt 37.
  • the suction roller 38 sucks the bottom sheet of the sheet stack 39 and leads it downward.
  • the stops 40 are in the path of movement on the further conveyor belt 37 of the sheet stack 39 pivoted so that the sheet stack 39 moves up to the stops 40. In this position, the top sheet is removed from the sheet stack 39 by the suction device 41 and fed to the waste (position B), as can be seen from FIG. 7.
  • the stops 42 then pivot in and align the sheet stack 39.
  • the further conveyor belt 37 is moved up and down via the cylinder 43 for alignment. After alignment, the further conveyor belt 37 is moved back into its starting position.
  • the stops 40 and 42 then pivot away from the sheet stack 39 and the sheet stack 39 moves into the further removal tongs 44 which are ready and which then transport it further.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Pile Receivers (AREA)
EP91100802A 1990-04-26 1991-01-23 Procédé pour retirer et déposer une pile de feuilles poinçonnée ou des piles en matière feuilletée similaires d'une pile entière et dispositif pour celui-ci Withdrawn EP0453711A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4013417 1990-04-26
DE4013417A DE4013417A1 (de) 1990-04-26 1990-04-26 Verfahren zum entnehmen und ablegen eines ausgestanzten blattstapels o. dgl. stapel blattfoermigen werkstoffs aus einem gesamtstapel sowie vorrichtung hierfuer

Publications (1)

Publication Number Publication Date
EP0453711A1 true EP0453711A1 (fr) 1991-10-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP91100802A Withdrawn EP0453711A1 (fr) 1990-04-26 1991-01-23 Procédé pour retirer et déposer une pile de feuilles poinçonnée ou des piles en matière feuilletée similaires d'une pile entière et dispositif pour celui-ci

Country Status (2)

Country Link
EP (1) EP0453711A1 (fr)
DE (1) DE4013417A1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0841130A1 (fr) * 1996-11-08 1998-05-13 Omnitex S.r.l. Méthode pour découper un matelas de tissu pour faciliter l'enlèvement de piles de pièces découpées ainsi qu'une machine pour l'enlèvement automatique de ces piles d'une table de coupe
EP1584432A1 (fr) * 2004-03-08 2005-10-12 Adolf Mohr Maschinenfabrik GmbH & Co. KG Presse de découpe pour découper une pile de feuilles massicotées au préalable
US7434373B2 (en) * 1999-06-21 2008-10-14 Lectra Sa Method for automatically cutting and removing stacks of pieces in a web of sheet material
ITBO20110235A1 (it) * 2011-04-29 2012-10-30 Giuseppe Gallucci Dispositivo per lo scarico, da un piano di lavoro, di articoli piani nei quali sono ricavate, mediante taglio e/o incisione, porzioni su cui sono riprodotti disegni e/o scritte
CN105170764A (zh) * 2015-10-23 2015-12-23 太仓盖兹汽车零部件有限公司 一种易清理型冲床生产线
CN105751311A (zh) * 2014-12-19 2016-07-13 上海耀科印刷机械有限公司 全清废模切压痕机
CN109332520A (zh) * 2018-10-11 2019-02-15 丰业迪睦斯（芜湖）汽车部件有限公司 模具掉落件识别系统检查
CN112277073A (zh) * 2020-09-11 2021-01-29 赵龙龙 一种乒乓球制作用片材冲压设备
CN115383841A (zh) * 2022-09-05 2022-11-25 东莞士格电子集团有限公司 电容插件分料板的输送、分切一体式设备

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EP0841130A1 (fr) * 1996-11-08 1998-05-13 Omnitex S.r.l. Méthode pour découper un matelas de tissu pour faciliter l'enlèvement de piles de pièces découpées ainsi qu'une machine pour l'enlèvement automatique de ces piles d'une table de coupe
US7434373B2 (en) * 1999-06-21 2008-10-14 Lectra Sa Method for automatically cutting and removing stacks of pieces in a web of sheet material
EP1584432A1 (fr) * 2004-03-08 2005-10-12 Adolf Mohr Maschinenfabrik GmbH & Co. KG Presse de découpe pour découper une pile de feuilles massicotées au préalable
ITBO20110235A1 (it) * 2011-04-29 2012-10-30 Giuseppe Gallucci Dispositivo per lo scarico, da un piano di lavoro, di articoli piani nei quali sono ricavate, mediante taglio e/o incisione, porzioni su cui sono riprodotti disegni e/o scritte
CN105751311A (zh) * 2014-12-19 2016-07-13 上海耀科印刷机械有限公司 全清废模切压痕机
CN105170764A (zh) * 2015-10-23 2015-12-23 太仓盖兹汽车零部件有限公司 一种易清理型冲床生产线
CN109332520A (zh) * 2018-10-11 2019-02-15 丰业迪睦斯（芜湖）汽车部件有限公司 模具掉落件识别系统检查
CN112277073A (zh) * 2020-09-11 2021-01-29 赵龙龙 一种乒乓球制作用片材冲压设备
CN115383841A (zh) * 2022-09-05 2022-11-25 东莞士格电子集团有限公司 电容插件分料板的输送、分切一体式设备
CN115383841B (zh) * 2022-09-05 2023-10-31 东莞士格电子集团有限公司 电容插件分料板的输送、分切一体式设备

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