EP0503529A1 - Dispositif pour le transport actif d'objets plats - Google Patents

Dispositif pour le transport actif d'objets plats Download PDF

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Publication number
EP0503529A1
EP0503529A1 EP92103990A EP92103990A EP0503529A1 EP 0503529 A1 EP0503529 A1 EP 0503529A1 EP 92103990 A EP92103990 A EP 92103990A EP 92103990 A EP92103990 A EP 92103990A EP 0503529 A1 EP0503529 A1 EP 0503529A1
Authority
EP
European Patent Office
Prior art keywords
suction
belt
suction belt
belts
holes
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Withdrawn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
EP92103990A
Other languages
German (de)
English (en)
Inventor
Klaus Dr. Mank
Luitpold Klüber
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.)
Georg Spiess GmbH
Original Assignee
Georg Spiess 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 Georg Spiess GmbH filed Critical Georg Spiess GmbH
Publication of EP0503529A1 publication Critical patent/EP0503529A1/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Withdrawn legal-status Critical Current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
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/22—Feeding articles separated from piles; Feeding articles to machines by air-blast or suction device
    • B65H5/222—Feeding articles separated from piles; Feeding articles to machines by air-blast or suction device by suction devices
    • B65H5/224—Feeding articles separated from piles; Feeding articles to machines by air-blast or suction device by suction devices by suction belts
    • 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
    • B65H2406/32—Suction belts
    • B65H2406/323—Overhead suction belt, i.e. holding material against gravity

Definitions

  • the invention relates to a device for the pulling transport of flat objects, in particular of sheet-shaped printing material, with at least one pulling element which can be moved in the transport direction, preferably driven all round, and which is provided with at least one holding means which can be brought into engagement with the region of the front edge of the object to be transported.
  • the traction element is designed as a suction band covering a suction channel which can be acted upon by vacuum and which is only partially provided with suction holes forming retaining means over its length.
  • suction belt according to the invention is not provided with suction holes over its entire length, pulling transport using suction belts is hereby made possible for the first time.
  • suction belts in terms of self-control by driving over the suction channel and in terms of smoothness, freedom from interference and low inertia etc. are retained, which has an advantageous effect on the attainability of high speeds.
  • each suction belt can advantageously be provided in the area of its suction hole fields with enlarged, recess-side surface recesses compared to the suction holes, which are preferably delimited by circumferential webs.
  • a further advantageous measure can consist in that the suction holes are arranged in the form of at least one preferably central row of suction holes.
  • Each suction belt can therefore simply be assigned a slot in the suction channel that communicates with its suction holes.
  • This slot can expediently be flanked by the associated sealing strips receiving sealing strips, on which the suction strip runs with associated running surfaces running next to the row of suction holes.
  • a further expedient measure can consist in that at least one support strip adjacent to a running surface is provided, which engages in an associated running groove delimited by at least one sealing strip. This measure leads to a broad support of the suction belt also in the area outside of the treads, so that there is no fear of bending of the treadmill.
  • a plurality of suction belts which are laterally offset from one another can advantageously be provided, which are provided in sets with suction hole fields offset from one another in the longitudinal direction. It is advantageously possible to take up the successive objects alternately on one or the other set of tapes. This therefore enables particularly high speeds and is guaranteed nevertheless high transport accuracy with comparatively little control effort.
  • the suction belts can simply have an increase in their surface area in the area of their suction hole fields.
  • the suction belts can be designed as toothed belts with teeth arranged on the suction channel side.
  • the suction belts designed as toothed belts can expediently be provided with rows of teeth arranged laterally outside the rows of holes, which engage in grooves provided outside the sealing strips.
  • the rows of teeth here advantageously function as support strips, which also prevent the associated suction belts from bending.
  • the scale unit on which FIG. 1 is based contains a towing device by means of which successive sheets 1 can be transported by pulling, ie can be gripped and pulled in the region of their front end.
  • a belt section 2 with at least one suction belt 3 or more, parallel, laterally offset, narrow suction belts 3 is provided.
  • Each suction belt 3 runs over deflection elements 4, between which a hollow profile 5 is arranged which accommodates the upper run of the respectively assigned suction belt 3.
  • the suction belt 3 is not provided with suction holes 9 over its entire length, but only partially. This results in suction hole fields 10 of the desired length. In the exemplary embodiment shown, this should be approximately 100 mm.
  • suction hole fields 10 can be provided over the entire circumference of the endlessly revolving suction belt, which are spaced apart from one another in such a way that there is a uniform distribution over the circumference.
  • the suction hole fields 10 or their suction holes 9 act as holding means, which can act on the front area of a sheet 1, so that it can be pulled through the suction belt 3 or a set of interacting suction belts 3.
  • the suction holes 9 are arranged in the form of rows of central suction holes.
  • the associated slot 8 is accordingly also arranged in the center, so that overall there is a symmetrical structure of the suction belt 3 and the hollow profile 5, which is conducive to reliable straight running.
  • the hollow profile 5 having the suction channel 7 with slot 8 is provided with two sealing strips 11 flanking the central slot 8, on which the associated suction tape 3 runs with running surfaces 12 running laterally next to the rows of suction holes.
  • the sealing strips 11 can be provided with at least one expansion groove 13 in the area of their bearing surfaces facing the running surfaces 12.
  • the hollow profile 5 is provided with running grooves 14 which are open to the outside and engage in the associated supporting strips 15, so that there is a band support over the entire width.
  • the sealing strips 11 are located in the area of the side flanks of the hollow profile 5.
  • the suction belt 3 is accordingly provided with running surfaces 12 provided in the area of its side flanks.
  • a groove-shaped widening 16 of the central slot 8 In the area between the sealing strips 11 there is a groove-shaped widening 16 of the central slot 8, in which a central supporting strip 15 of the suction tape 3 can engage over its entire width in order to support the suction tape 3.
  • the support strip or support strips 15 are formed in the illustrated embodiment by rows of teeth formed on the underside of the belt, which enable a positive drive.
  • the suction belt 3 as can best be seen from FIG. 1, is designed as a toothed belt, which on its inside, i.e. is provided on its side facing away from the receiving side and running over the deflection elements 4 with inwardly directed teeth 17.
  • the deflection elements 4 are designed as externally toothed toothed belt wheels.
  • the design of the support strips 15 as toothed strips also results in a particularly low running resistance, since here only the teeth 17 rest with their head sides on the bottom of the assigned running grooves 14 and 16.
  • the tooth gaps 18 present between the teeth 17 allow the vacuum to spread over the entire width of the groove-shaped extension 16 of the slot 8.
  • the suction holes 9 open into the tooth gaps 18.
  • the teeth 17 do not pass over the entire range, which can be achieved simply by milling the teeth of a normal toothed belt provided with continuous teeth accordingly will.
  • the suction holes 9 can be punched subsequently.
  • each suction belt 3 is provided with surface recesses 19 to enlarge the effective suction surface, which substantially increase the mouth cross section compared to the cross section of the suction holes 8.
  • the recesses 19 can be limited to the outside by circumferential webs 20, so that no external air is sucked in. However, if the supply of external air should be desired, the webs 20 can simply be interrupted in places.
  • FIGS. 4 to 6 show different configurations of the surface recesses 19 and the webs 20 delimiting them.
  • transverse grooves 21 are provided to form the surface recesses 19 and run transversely to the longitudinal direction of the web and the axis of the suction hole, into each of which an associated suction hole 8 opens .
  • these lateral longitudinal grooves 22, which connect to one another are also provided. This therefore results in a coherent suction system that achieves a surface suction.
  • the mouth cross sections of the suction holes 8 are connected to one another by mutually opposite, V-shaped grooves 23.
  • the holding device 24 can be designed as a suction box which is stationary during operation and is connected to a vacuum source via a vacuum line 27.
  • the lifting device 25 can be formed by a rocker that can be swiveled up and down in time with the incoming bows, on which means that record the bows, for example in the form of a suction belt 28, are received.
  • the suction belt 28 can be provided with suction holes over its entire circumference and can be moved freely or driven at arc speed. It is also one Combination conceivable such that the drive takes place at a lower speed and an overrunning clutch is provided in the area of the drive device. Instead of a central suction belt, it is of course also possible to use a plurality of suction belts 28 distributed over the width.
  • a suction box 29 is provided which is traversed by the lower run of the suction belt or the suction belts 28 and which is connected to a vacuum source via a vacuum line 30.
  • the suction box 29 forms part of the above-mentioned rocker.
  • the towing device 2 can have a plurality of suction belts 3 which are laterally offset from one another, which cooperate in sets and are provided in sets with suction hole fields 10 which are offset in the longitudinal direction and can be driven independently of one another, so that successive sheets 1 of suction hole fields 10 seize different sets of baths can be.
  • the successive sheets 1 are accordingly taken alternately by one or the other set of tapes.
  • These sets of tapes can accordingly receive offset speed profiles. It is therefore easily possible to accelerate the sheets after they have been taken over and then to slow them down. Nevertheless, it can be ensured in a control-technically simple manner that the suction hole fields 10 pass the inlet area of the sheets at the right time.
  • the suction belts 3 can be used to avoid collisions of the respectively received sheet 1 with the belts of the other sets of belts in their area Suction hole fields 10 have an increased contact surface 31.
  • This can be formed, for example, by a glued-on pad, which can consist of a material with particularly good adhesive properties, which can further improve the reliability of the sheet transport.
  • a leading deflecting cam 32 is assigned to each suction hole field 10, which ensures that the leading arch (not shown here) cannot hinder the entry of the following arch into the inlet gap 26 even in the event of arch sag.
  • the effective length of the towing device 2 i.e. the length over which a sheet is guided by means of the suction holes 9 of a suction hole field 10 corresponds practically to the length of the slot 8.
  • the effective strength of the vacuum can be the same over the entire slot length.
  • the slot 8 could be narrowed in a wedge shape in the transport direction in order to achieve a gentle release of the sheet.
EP92103990A 1991-03-15 1992-03-09 Dispositif pour le transport actif d'objets plats Withdrawn EP0503529A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9103138U 1991-03-15
DE9103138U DE9103138U1 (fr) 1991-03-15 1991-03-15

Publications (1)

Publication Number Publication Date
EP0503529A1 true EP0503529A1 (fr) 1992-09-16

Family

ID=6865292

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92103990A Withdrawn EP0503529A1 (fr) 1991-03-15 1992-03-09 Dispositif pour le transport actif d'objets plats

Country Status (2)

Country Link
EP (1) EP0503529A1 (fr)
DE (1) DE9103138U1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0914285A4 (fr) * 1995-09-08 1999-05-12
EP1155985A2 (fr) * 2000-05-17 2001-11-21 Winkler + Dünnebier Aktiengesellschaft Dispositif pour transporter des enveloppes dans une machine de fabrication d'enveloppes
WO2016174224A1 (fr) * 2015-04-30 2016-11-03 Koenig & Bauer Ag Dispositif de transport permettant le transport séquentiel de substrats individuels en forme de feuille au moyen d'une bande aspirante
DE102016207404A1 (de) 2015-07-17 2017-01-19 Koenig & Bauer Ag Transportvorrichtung zum sequentiellen Transport einzelner bogenförmiger Substrate

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4435988A1 (de) * 1994-10-08 1996-04-11 Heidelberger Druckmasch Ag Vorrichtung zum Abbremsen von Bogen
DE19649824A1 (de) * 1996-03-28 1997-10-02 Heidelberger Druckmasch Ag Saugförderer

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE713529C (de) * 1938-11-05 1941-11-13 Koenig Werk G M B H Maschf Bogenfoerdervorrichtung, insbesondere an Bogenanlegern fuer Buchdruck- und aehnlicheMaschinen
US3131929A (en) * 1960-07-30 1964-05-05 Telefunken Patent Conveyor
US3735976A (en) * 1971-11-12 1973-05-29 Rca Corp Document picker
US3861669A (en) * 1972-06-15 1975-01-21 Tokyo Shibaura Electric Co Apparatus for feeding sheet-like articles from a stack of articles
DE8912276U1 (fr) * 1989-10-16 1989-11-30 Maschinenbau Oppenweiler Binder Gmbh & Co, 7155 Oppenweiler, De

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE713529C (de) * 1938-11-05 1941-11-13 Koenig Werk G M B H Maschf Bogenfoerdervorrichtung, insbesondere an Bogenanlegern fuer Buchdruck- und aehnlicheMaschinen
US3131929A (en) * 1960-07-30 1964-05-05 Telefunken Patent Conveyor
US3735976A (en) * 1971-11-12 1973-05-29 Rca Corp Document picker
US3861669A (en) * 1972-06-15 1975-01-21 Tokyo Shibaura Electric Co Apparatus for feeding sheet-like articles from a stack of articles
DE8912276U1 (fr) * 1989-10-16 1989-11-30 Maschinenbau Oppenweiler Binder Gmbh & Co, 7155 Oppenweiler, De

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0914285A4 (fr) * 1995-09-08 1999-05-12
EP0914285A1 (fr) * 1995-09-08 1999-05-12 Gerber Garment Technology, Inc. Systeme de plaquage par aspiration
EP1155985A2 (fr) * 2000-05-17 2001-11-21 Winkler + Dünnebier Aktiengesellschaft Dispositif pour transporter des enveloppes dans une machine de fabrication d'enveloppes
EP1155985A3 (fr) * 2000-05-17 2003-04-02 Winkler + Dünnebier Aktiengesellschaft Dispositif pour transporter des enveloppes dans une machine de fabrication d'enveloppes
WO2016174224A1 (fr) * 2015-04-30 2016-11-03 Koenig & Bauer Ag Dispositif de transport permettant le transport séquentiel de substrats individuels en forme de feuille au moyen d'une bande aspirante
DE102016207404A1 (de) 2015-07-17 2017-01-19 Koenig & Bauer Ag Transportvorrichtung zum sequentiellen Transport einzelner bogenförmiger Substrate

Also Published As

Publication number Publication date
DE9103138U1 (fr) 1991-07-18

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