EP0008666B1 - Dispositif pour appliquer des feuilles de revêtement sur des plaques - Google Patents

Dispositif pour appliquer des feuilles de revêtement sur des plaques Download PDF

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Publication number
EP0008666B1
EP0008666B1 EP79102690A EP79102690A EP0008666B1 EP 0008666 B1 EP0008666 B1 EP 0008666B1 EP 79102690 A EP79102690 A EP 79102690A EP 79102690 A EP79102690 A EP 79102690A EP 0008666 B1 EP0008666 B1 EP 0008666B1
Authority
EP
European Patent Office
Prior art keywords
suction
covering
drives
conveyor track
suction bar
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
Application number
EP79102690A
Other languages
German (de)
English (en)
Other versions
EP0008666A3 (en
EP0008666A2 (fr
Inventor
Werner Feldges
Peter Hendle
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.)
Hoesch Werke AG
Original Assignee
Becker & Van Hullen Niederrheinische Maschinenfabrik & Co GmbH
Hoesch 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 Becker & Van Hullen Niederrheinische Maschinenfabrik & Co GmbH, Hoesch AG filed Critical Becker & Van Hullen Niederrheinische Maschinenfabrik & Co GmbH
Priority to AT79102690T priority Critical patent/ATE1089T1/de
Publication of EP0008666A2 publication Critical patent/EP0008666A2/fr
Publication of EP0008666A3 publication Critical patent/EP0008666A3/xx
Application granted granted Critical
Publication of EP0008666B1 publication Critical patent/EP0008666B1/fr
Expired 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
    • B65H3/46—Supplementary devices or measures to assist separation or prevent double feed
    • B65H3/48—Air blast acting on edges of, or under, articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F5/00—Attaching together sheets, strips or webs; Reinforcing edges
    • 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
    • B65H3/0833—Suction grippers separating from the top of pile and acting on the front 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
    • B65H39/00—Associating, collating, or gathering articles or webs
    • B65H39/02—Associating,collating or gathering articles from several sources
    • B65H39/04—Associating,collating or gathering articles from several sources from piles
    • 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
    • B65H5/08—Feeding articles separated from piles; Feeding articles to machines by grippers, e.g. suction grippers
    • B65H5/10—Reciprocating or oscillating grippers, e.g. suction or gripper tables

Definitions

  • the invention relates to a system for covering boards, in particular chipboard, plywood, fiberboard and the like, with lamination sheets made of paper, felt, plastic and the like, the lamination sheets being removed from stacks and folded together with the boards, with an interrupted transport path for the boards, one in the transport direction before the interruption above and a stack of laminating sheets arranged in the region of the interruption below the transport path.
  • the panels are first folded together with laminating sheets and then pressed together with this, if necessary, using heat.
  • the lamination material is often pulled off the reels, placed on the panels and then cut to the appropriate length.
  • the laminating sheets are first cut and stacked and then folded together with the panels. This is done on a system of the type described above. Because the lamination sheets are very bulky, damage or destruction of the lamination sheets cannot be ruled out during manipulation.
  • the invention is therefore based on the object of specifying a system of the type described at the outset which operates largely automatically and without problems.
  • a system of the type described at the outset which is characterized by a device which can be moved back and forth in the region of the interruption and beyond in the transport direction, for detecting a respective lamination sheet with suction nozzles movable perpendicular to the transport direction, which are relative to the device in one are movable to the plane parallel to the plane of the plate, and by a holding device in the region of the transport path behind the interruption.
  • the plates arriving on the transport path are first stopped before the interruption.
  • the device is moved over the interruption and its suction nozzles are set down on the lamination sheet stack located below the transport path.
  • the suction nozzles capture the front end of the uppermost lamination sheet and pull it away from the stack, the front end being simultaneously raised to the level of the transport path and placed on the transport path section following the interruption.
  • There the front end of the laminating sheet coming from the lower stack is held with the holding device.
  • the plate located on the transport path before the interruption is moved over the interruption to the subsequent transport path section into the area of the holding device, while at the same time or thereafter the device is moved over the stack located above the transport path.
  • the device then uses the suction nozzles to pull the top lamination sheet off the top stack and guide it onto the top of the plate up to the area of the holding device.
  • the suction nozzles can be moved relative to the device in a plane parallel to the plate plane. This allows the liner sheets to be aligned with the device as they are pulled from the stack. When the plates are moved further, they take their upper and lower lamination sheets with them so that everything can then be pressed together.
  • the suction nozzles are advantageously arranged on a suction bar which has one or more drives for horizontal displacement in the transport plane.
  • the drives of the suction bar can be spindle drives or pneumatic or hydraulic drives, the spindles being articulated on the suction bar and their drives possibly articulated on the device and the drive acting transversely to the direction of transport engaging an abutment in the area of the center of the suction bar and two each in the area of the squeegee ends, drives which act on them and act in the transport direction are provided.
  • the suction bar with the suction nozzles which can be lowered down to the lamination sheet stack, can advantageously have air nozzles at their ends, the outlet jet of which is directed under the assigned edge of the lamination sheet which is respectively gripped by the suction bar.
  • the squeegee only detects the front end of the respective lamination sheet, which can be raised with it.
  • an air jet is blown under the recorded lamination sheet by the air nozzles connected to the end of the suction strip, which forms an air cushion underneath which forms the adhesive forces between the stack and the top lamination sheet releases and supports the holding forces of the suction nozzles.
  • the lamination sheets are generally cut with small tolerances with regard to the plate size.
  • it can be two-fold if the drives of the squeegee are controlled automatically will.
  • at least three photocells with assigned light sources are attached to the device as signal detectors and are arranged such that they detect assigned edges of the laminating sheet, and that the signal detectors or the photocells are connected in a control circuit, the actuators of which drive the Suagelf are.
  • the arrangement of the signal detectors or the photocells can be adapted to the given circumstances. It is only necessary to ensure that an angular and positional alignment of the detected laminating sheet is possible.
  • two signal detectors can be arranged so that they detect the front edge of the lamination sheet, while a third detects a side edge of the lamination sheet.
  • the lamination sheets Because of the size of the lamination sheets, their strength is extremely small in relation to the length and width. For this reason, the lamination sheets easily follow all movements of the squeegee, particularly in the vertical direction. However, it can happen that the lamination sheets removed from the stack located above the transport path automatically slip off the stack when a certain partial length has been withdrawn from the stack. To prevent this, it is advisable to arrange a support plate with adjustable height and inclination below the path of movement of a lamination sheet pulled off the upper stack, which has a plurality of recesses connected to a vacuum source on its side facing the lamination sheet. Due to the negative pressure, the lamination sheet is sucked onto the support plate, which can optionally be curved following the path of movement, and is thereby braked. To increase the braking effect, the recesses can be covered with a textile web, which also filters the intake air and thereby protects the vacuum source.
  • the braking action of the support plate can also be controlled by connecting the recesses one behind the other in the direction of movement to form a group and connecting each group to the vacuum source via a separately adjustable control valve. If necessary, appropriate adjustment of the individual control valves can influence the alignment of the lamination sheet relative to the plate.
  • the holding device can be a clamping bar that can be lowered onto the transport path.
  • it can be a pivotable clamping bar that is lowered onto the lamination sheet removed from the lower stack to hold it and clamps it between itself and the transport path, which can be a transport belt.
  • the clamping bar can also serve as a stop for the plate that has been moved over the interruption.
  • one or more movable eccentric brackets can be provided, which brake the lamination sheets before they are braked by the negative pressure acting on the support plate. These eccentric brackets can be controlled, optionally by the device with the suction bar.
  • the system shown in the drawing is used for covering large-area panels on both sides, in particular chipboard, plywood panels, fiberboard and the like with cut laminating sheets made of paper, felt, plastic and the like.
  • the system includes a conveyor belt 1 on which plates 2 are brought up to the area of the end 3 of the conveyor belt in the direction of transport 4.
  • a further conveyor belt 5 is arranged in the transport direction 4, on which the plates 2 covered with laminating sheets are transported further. Both conveyor belts 1 and 5 form an interrupted transport path.
  • a pallet 6 with a stack 7 of cut laminating sheets 8.
  • the pallet 6 is arranged such that its front end 9 extends into the area below the interruption 10 the transport track protrudes.
  • the underside of the plates 2 is to be covered with the laminating sheets 8 stacked on the lower pallet 6.
  • Rails 14 are arranged above the interruption 10 and extend over the entire length of the interruption 10 and over part of the conveyor belts 1 and 5. On the rails, a carriage 18 can be moved back and forth between stops 15, 16 with rollers 17, which carries a device with which the laminating sheets are guided from the stacks 7 and 12 to the corresponding sides of the plate 2.
  • the carriage 18 has vertical guides for lifting rods 19 which carry at their lower end a bearing body 20 which can be connected to a lifting device, not shown, e.g. a cable, a lifting cylinder or the like, relative to the carriage 18 can be raised and lowered.
  • a lifting device not shown, e.g. a cable, a lifting cylinder or the like
  • Under the bearing body 20 there is a suction bar 21 with a row of suction nozzles 22 which are connected via a suction line 23 to a blower 24 arranged on the carriage 18.
  • the suction bar 21 is held under the bearing body 20 so that it can move in a plane parallel to the plane of the plate. This is readily apparent from a comparison of FIGS. 2 and 4.
  • Drives are arranged under the bearing body 20 in the transport direction 4 behind the suction bar 21, with which the suction bar can be moved in its plane.
  • a spindle motor 25 the spindle 26 of which is articulated to a support arm 27 connected to the suction bar 21.
  • the support arm 27 is attached approximately in the middle of the suction bar 21.
  • the suction bar 21 can be moved in the direction of arrow 28 transversely to the transport direction.
  • spindles 29, 30 are connected to these in an articulated manner, the associated spindle motors 31, 32 of which are also held under the bearing body 20.
  • the suction bar 21 can be adjusted and / or pivoted in the direction of the arrows 33 and 34, respectively.
  • All spindle motors 25, 31 and 32 are held under the bearing body 20 so as to be movable about vertical axes. Skids 35 are located on the underside of the motors, so that when the lamination sheets 8 or 13 are picked up, they do not come into contact with the motors.
  • the spindle motors 25, 31, 32 are actuators of a control crane, the control variable of which are supplied by photocells 36, which have associated light sources, not shown.
  • two photocells 36 are arranged in the transport direction in front of the bearing body 20 in the illustrated embodiment, which detect the front edge of the laminating sheet 8 or 13 and control the orientation of this edge, while another photocell, not shown, in the area of a lateral edge of the laminating sheet is arranged and controls the alignment of this side edge together with the other photocells.
  • the system shown works as follows: First, a plate 2 is moved up on the conveyor belt 1 until the front edge of the plate has reached the area of the end 3. Then the device for covering is moved over the interruption 10 and the bearing body 20 with the suction bar 21 is lowered to the lower stack 7. There, the suction nozzles 22 of the suction bar 21 capture the uppermost lamination sheet 8 in the region of its front edge. So that the lamination sheet 8 gripped by the suction nozzles does not fall down again, the suction strip has at its ends air nozzles 37, 38 (FIGS.
  • the suction bar 21 with the lamination sheet 8 is then lifted up into the transport plane and guided over the conveyor belt 5 adjoining the interruption 10. There the front edge of the lamination sheet 8 is deposited and held in place with a pivotably mounted clamping bar 39 which is lowered onto the front edge of the lamination sheet 8 located on the conveyor belt 5 (FIG. 7).
  • the plate 2 is advanced in the transport direction 4 until it abuts the terminal block 39.
  • the bearing body 20 with the suction bar 21 has meanwhile been raised and moved over the upper stack 12.
  • the suction bar 21 is lowered over the front edge of the top lamination sheet 13.
  • the uppermost lamination sheet 13 is taken up in the same way as the lamination sheet 8 from the lower stack 7.
  • the device is then moved in the transport direction 4 and lowered until the front edge of the taken-up lamination sheet 13 is above the transport belt 5 and above the front edge of the sheet held laminating sheet 8 is located (Fig. 9).
  • a support plate 40 is arranged above the end 3 of the conveyor belt 2, the shape of which is shown in FIG Transport direction 4 of the developing shape of the lamination sheet 13 is adapted (Fig. 1).
  • the support plate 40 is adjustable with respect to its height relative to the conveyor belt 2 and with regard to its inclination.
  • the support plate 40 On the side facing the lamination sheet 13, the support plate 40 has a plurality of recesses 41, 42, 43 which are covered with a continuous textile web 44.
  • the recesses 41, 42 and 43 are connected via lines 45, 46, 47 to a vacuum source, in the exemplary embodiment shown a blower 48.
  • All recesses 41, 42 and 43 lying one behind the other in the transport direction 4 are combined to form a group, the associated lines 45, 46, 47 of which have separately actuable control valves 49, 50, 51.
  • the suction power of the recesses can be adjusted so that the alignment of the lamination sheet 13 with the suction bar 21 is supported.
  • the suction power on the recesses is set so that the friction between the underside of the lamination sheet 13 and the textile web 44 prevents undesirable and uncontrollable movements of the lamination sheet 13.
  • a pressure roller 53 held on the carriage 18 with guide rods 52 is first lowered onto the overlying lamination sheet 13 until the lamination sheet and the plate together on the one hand and on the other hand the conveyor belt 5 can be pressed.
  • the drive for lowering the pressure roller 53 is not shown.
  • the pressure roller 53 thus holds the plate and the lamination sheet in the present assignment, so that the bearing body 20 can be raised with the suction bar 21 (FIG. 10).
  • the conveyor belt 5 can be set in motion and the plate 2 moved with the lamination sheets 8 or 13 in the transport direction 4 e.g. forwarded to a press.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Manufacturing Of Electric Cables (AREA)
  • Veneer Processing And Manufacture Of Plywood (AREA)
  • Finished Plywoods (AREA)

Claims (12)

1. Dispositif pour appliquer des feuilles de revêtement de papier, de feutre, de matière synthétique et de matières similaires sur des plaques, en particulier des panneaux de particules, des panneaux de bois contreplaqué, des panneaux de fibres et des plaques similaires, dans lequel on retire de piles les feuilles de revêtement et on les réunit aux plaques, comportant une voie de transport interrompue pour les plaques, un pile de feuilles de revêtement disposée avent l'interruption dans le sens de transport, au-dessus de la voie de transport et une autre disposée dans la région de l'interruption, en dessous de la voie de transport, caractérisé par un dispositif (20, 21) pouvant aller et venir dans la direction de transport dans la région de l'interruption (10) et au delà de celle-ci pour saisir une feuille de revêtement (8, 13) à la fois au moyen de tuyères d'aspiration (22) mobiles perpendiculairement à la direction de transport, et qui sont mobiles relativement à l'appareil (20) dans un plan parallèle au plan des plasques, et par un agencement de retenue (39) dans la direction de la voie de transport (5), en aval de l'interruption (10).
2. Dispositif selon la revendication 1, caractérisé en ce que les tuyères d'aspiration (22) sont disposées sur une bande d'aspiration (21) qui présente un ou plusieurs entraînements (25, 31, 32) pour le coulissement horizontal dans le plan de transport.
3. Dispositif selon l'une des revendications 1 ou 2, caractérisé en ce que les entraînements de la bande d'aspiration sont des entraînements à tige filetée (25, 31, 32) ou des entraînements pneumatiques ou hydrauliques, les tiges filetées (26, 29, 30) étant montées de façon articulée sur la bande d'aspiration (21), et leurs entraînements étant montés éventuellement de façon articulée sur le dispositif (20), et l'entraînement (25) agissant transversalement à la direction de transport s'applique à une butée (27) dans la région du milieu de la bande d'aspiration (21), et il est prévu deux entraînements (31, 32) s'appliquant chacun aux extrémités de la bande d'aspiration dans la région de ces extrémités et agissant dans la direction de transport.
4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce qu'aux extrémités de la bande d'aspiration (21) sont disposées des tuyères à air (37, 38), dont le jet de sortie est dirigé sous le bord correspondant de la feuille de revêtement (8, 13) chaque fois saisie par la bande d'aspiration (21).
5. Dispositif selon une ou plusieurs des revendications 1 à 4, caractérisé en ce que sur le dispositif (20) sont placées, comme transmetteurs de signal, au moins trois cellules photoélectriques (36) avec sources lumineuses adjointes et elles sont disposées de telle sorte qu'elles détectent des bords correspondants des feuilles de revêtement (8, 13) et en ce que les transmetteurs de signal ou les cellules photoélectriques (36) sont branchés dans un circuit de régulation dont les organes de réglage final sont les entraînements (25, 31, 32) de la bandes d'aspiration (21 ).
6. Dispositif selon une ou plusieurs des revendications 1 à 5, caractérisé en ce qu'en dessous de la trajectoire d'une feuille de revêtement (13) retirée de la pile supérieure (12) est disposée une plaque de soutien (40) de hauteur et d'inclinaison réglables, qui présente, sur son côté tourné vers la feuille de revêtement (13), plusieurs évidements (41, 42, 43) raccordés à une source de dépression (48).
7. Dispositif selon une ou plusieurs des revendications 1 à 6, caractérisé en ce que les évidements (41,42,43) placés à la suite les uns des autres dans la direction de mouvement sont chaque fois réunis en un groupe, et chaque groupe est raccordé à la source de dépression (48) par l'intermédiaire d'un distributeur (49, 50, 51) réglable séparément.
8. Dispositif selon une ou plusieurs des revendications 1 à 7, caractérisé en ce que les évidements (41, 42, 43) sont recouverts par une bande de textile (44).
9. Dispositif selon une ou plusieurs des revendications 1 à 8, caractérisé en ce que l'agencement de retenue est une poutre de serrage (39) pouvant s'abaisser sur la voie de transport (5).
10. Dispositif selon une ou plusieurs des revendications 1 à 9, caractérisé par un ou plusieurs rouleaux presseurs (53) pouvant s'abaisser indépendamment de la bande d'aspiration (21).
11. Dispositif selon une ou plusieurs des revendications 1 à 10, caractérisé par un ou plusieurs étriers excentriques mobiles pour le freinage des feuilles de revêtement (8, 13), le mouvement des étriers excentriques pouvant éventuellement être commandé par le dispositif (20).
EP79102690A 1978-09-13 1979-07-28 Dispositif pour appliquer des feuilles de revêtement sur des plaques Expired EP0008666B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT79102690T ATE1089T1 (de) 1978-09-13 1979-07-28 Anlage zum belegen von platten mit kaschierbogen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2839757A DE2839757C2 (de) 1978-09-13 1978-09-13 Anlage zum Belegen von Platten mit Kaschierbogen
DE2839757 1978-09-13

Publications (3)

Publication Number Publication Date
EP0008666A2 EP0008666A2 (fr) 1980-03-19
EP0008666A3 EP0008666A3 (en) 1980-04-16
EP0008666B1 true EP0008666B1 (fr) 1982-05-26

Family

ID=6049304

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79102690A Expired EP0008666B1 (fr) 1978-09-13 1979-07-28 Dispositif pour appliquer des feuilles de revêtement sur des plaques

Country Status (3)

Country Link
EP (1) EP0008666B1 (fr)
AT (1) ATE1089T1 (fr)
DE (2) DE2839757C2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3030413C1 (de) * 1980-08-12 1982-02-25 G. Siempelkamp Gmbh & Co, 4150 Krefeld Anlage zum Belegen von Spanplatten,Faserplatten u.dgl. mit Verguetungsfolienzuschnitten
DE3418258A1 (de) * 1984-05-17 1985-11-21 G. Siempelkamp Gmbh & Co, 4150 Krefeld Vorrichtung zur abnahme von beschichtungsfolien von einem beschichtungsfolienstapel sowie zur ablage auf einem zusammenlegetisch

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1816425A1 (de) * 1968-12-21 1970-06-25 Mabeg Maschb Gmbh Nachf Hense Einrichtung an einer pneumatischen Bogentrennvorrichtung
DE2148532A1 (de) * 1971-09-29 1973-04-05 Heinrich Selle Vorrichtung zum beschicken von foerderbahnen mit platten
DE2160037A1 (de) * 1971-12-03 1973-06-07 Adamovske Strojirny Np Vorrichtung zur luftverteilung im papieranleger, insbesondere einer druckmaschine
US4065118A (en) * 1972-11-29 1977-12-27 Dudley George M Mono-page paper distributor
LU67495A1 (fr) * 1973-04-25 1974-11-21
US3861668A (en) * 1973-10-23 1975-01-21 Vernon Wood Sheet registration apparatus for printing machine
DE2549903C3 (de) * 1975-11-06 1978-05-24 G. Siempelkamp Gmbh & Co, 4150 Krefeld Vorrichtung zum Vereinzeln und gleichzeitigen Wenden des obersten Blattes eines gleichorientierten Folienstapels
DE2605141A1 (de) * 1976-02-10 1977-08-11 Dieffenbacher Gmbh Maschf Anlage zur herstellung von schichtstoff- und dekorplatten

Also Published As

Publication number Publication date
EP0008666A3 (en) 1980-04-16
DE2962956D1 (en) 1982-07-15
DE2839757C2 (de) 1981-09-17
DE2839757B1 (de) 1980-01-31
ATE1089T1 (de) 1982-06-15
EP0008666A2 (fr) 1980-03-19

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