EP0767125B1 - Pince pour des articles plats - Google Patents

Pince pour des articles plats Download PDF

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Publication number
EP0767125B1
EP0767125B1 EP96113358A EP96113358A EP0767125B1 EP 0767125 B1 EP0767125 B1 EP 0767125B1 EP 96113358 A EP96113358 A EP 96113358A EP 96113358 A EP96113358 A EP 96113358A EP 0767125 B1 EP0767125 B1 EP 0767125B1
Authority
EP
European Patent Office
Prior art keywords
clamp
closure
clamping
jaws
jaw
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
EP96113358A
Other languages
German (de)
English (en)
Other versions
EP0767125A1 (fr
Inventor
Walter Reist
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.)
Ferag AG
Original Assignee
Ferag 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 Ferag AG filed Critical Ferag AG
Priority to US08/720,703 priority Critical patent/US5755436A/en
Priority to CA002187000A priority patent/CA2187000C/fr
Priority to JP26280696A priority patent/JP3839529B2/ja
Publication of EP0767125A1 publication Critical patent/EP0767125A1/fr
Application granted granted Critical
Publication of EP0767125B1 publication Critical patent/EP0767125B1/fr
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
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/66—Advancing articles in overlapping streams
    • B65H29/6609—Advancing articles in overlapping streams forming an overlapping stream
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/003—Delivering or advancing articles from machines; Advancing articles to or into piles by grippers
    • 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
    • B65H2301/30—Orientation, displacement, position of the handled material
    • B65H2301/32—Orientation of handled material
    • B65H2301/323—Hanging
    • 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
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/447—Moving, forwarding, guiding material transferring material between transport devices
    • B65H2301/4471—Grippers, e.g. moved in paths enclosing an area
    • B65H2301/44712—Grippers, e.g. moved in paths enclosing an area carried by chains or bands
    • 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
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/447—Moving, forwarding, guiding material transferring material between transport devices
    • B65H2301/4473—Belts, endless moving elements on which the material is in surface contact
    • B65H2301/44732—Belts, endless moving elements on which the material is in surface contact transporting articles in overlapping stream
    • 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 present invention relates to a clip for holding flat objects, especially flexible objects like single and multi-sheet printed products, according to Preamble of claim 1.
  • a bracket of this type is from CH-A-636 824 or corresponding US-A-4,307,801. This parenthesis points two jaws on a common axis are pivotally mounted in a holder.
  • a Closing spring acts on the in the closing direction Clamp jaws and holds them in a clamping position. To the One clamp jaw is opened in each case by applying force to one with this clamp jaw firmly connected opening lever against the effect of Closing spring pivoted away from the other jaw. In order to be able to open the clip, the Force can be overcome by the closing spring.
  • the present invention is based on the object to create a bracket of the type mentioned at which the clamped jaws in their clamped position Clamp the object securely, but open the clamp can be opened easily.
  • the locking device ensures in its closed position making sure that the jaws are sufficient to achieve strong clamping effect can be pressed against each other. At the Move the locking device to the release position those acting on the jaws disappear Closing forces and the clamp jaws can move away from each other and the captured object release.
  • the clip according to the invention is suitable for use in a transport device for flat objects, in which the brackets on a rotating driven Tension member are attached and so along a Transport track are moved.
  • the clamp 1 has two clamp jaws 2, 3 which are made of a rigid material, preferably from a suitable plastic.
  • the two clamp jaws 2, 3 are pivotally mounted about a common axis 4.
  • the clamp jaw 2 with tabs 5 and Provide clamp jaw 3 with tabs 6, which axis 4 embrace and alternate in the longitudinal direction are arranged, as is clear from FIGS. 1, 3 and 5 emerges.
  • the clamp jaws 2, 3 are in their 1 and 2 shown clamping position by means of a Closing device 7 pressed against each other. This Locking device 7 is in FIGS. 1 and 2 in their Closed position and in Figs. 3 and 4 in their Release position shown.
  • the locking device 7 has two at a distance a (FIG. 2) opposite clamping bodies 8, 9, between which the clamp jaws 2, 3 extend.
  • Each clamping body 8, 9 is preferably rotatable on one rigid support arm 10 or 11 attached.
  • the two support arms 10, 11 are over one end Connector 12 connected together. Of this Connector 12 protrudes a bearing pin 13 on which a control roller 14 is mounted. The latter can be rotated or be firmly connected to the bearing pin 13.
  • the support arms 10, 11 on one Pivot axis 15 attached, which is pivotable in one Bearing body 16 is mounted.
  • the latter is rotatable the axis 4, so that the locking device 7 with the jaws 2, 3 can pivot.
  • the support arms 10, 11, the connector 12 and the pivot axis 15 form a bracket.
  • the operation of the bracket 1 is as follows: 3 and 4 is pivoted up into the release position in which the clamping bodies 8, 9 are located on the side of the locking recesses 19, 20 opposite the locking lugs 21, 22, the clamping jaws 2, 3 swivel away from each other about axis 4 and assume the open position (Fig. 4).
  • the opening angle is given by the two clamping bodies 8, 9.
  • the locking device 7 is pivoted downward from the release position into the closed position. This state is shown in FIGS. 1 and 2.
  • the locking lugs 21, 22 must first be run over by the clamping bodies 8, 9 with the application of a certain force, whereupon the latter then engage in the locking recesses 19, 20.
  • the clamp jaws 2, 3 are designed such that their ends 2a, 3a touch, while the clamp jaws 2, 3 are spaced apart from one another in the region of the latching depressions. In other words, the clamp jaws 2, 3 are slightly curved from the axis 4 to the ends 2a, 3a.
  • Each of the two clamping bodies 8, 9 arranged at a fixed distance a from one another exerts a closing force F1 or F2 (FIG. 2) on the assigned clamping jaw 2, 3 in the closed position of the closing device 7.
  • the two closing forces F1, F2 act opposite to each other on the outside 17 and 18 of the corresponding clamp jaw 2 and 3, respectively.
  • FIG. 4 Representation of another embodiment of a clip 1 in Open position shown.
  • This embodiment of the bracket 1 differs from that according to FIGS. 1 to 5 only in that each clamp jaw 2, 3 with a Actuating lever is connected, namely the clamp jaw 2 with an operating lever 24 and the clamp jaw 3 with an operating lever 25.
  • the operating levers 24, 25 are pivoted on the axis 4 and contribute a control roller 26 or 27 at its free end.
  • 6 are control dots 28 and 29 respectively indicated that on the assigned control rollers 26 or 27 act.
  • Control rollers 26, 27 can pivot the movement Clamping jaws 2 and 3 from the open position to the Clamp position and in the release position located locking device 7 also by the Clamp position can be controlled in the open position.
  • At closed bracket 1, i.e. at in the clamped position locked jaws 2, 3, can by means of Operating lever 24, 25, the bracket 1 as a unit around Axis 4 can be pivoted.
  • Fig. 6 it is further indicated that the clip 1 is now from that shown in Fig. 6 or from that in the 1 to 5 shown construction, via a bracket 30 on one indicated only schematically in FIG. 6
  • Tension member 31 can be attached in one Guide channel 32 is driven circumferentially.
  • brackets 1 form part of a Transport device, as shown in FIG. 7 in more detail will be explained.
  • a compression spring 33 can also be used in the open position be arranged between the jaws 2, 3 and is indicated schematically in FIG. 6. Through the Compression spring 33, the clamp jaws 2, 3 in their Open position held.
  • This compression spring 33 can also a clip 1, as shown in FIGS. 1-5, be used.
  • Fig. 7 is a portion of that already mentioned Transport device 34 shown.
  • brackets 30 are brackets 1 on the tension member at regular intervals 31 attached, which is driven in the direction of arrow B. is.
  • the transport device 34 serves to convey Printed products 35 (e.g. folded printed sheets) a delivery point Z. Located at this delivery point Z. a tray table 36, the one rising Guide section 36a is connected upstream.
  • Fig. 7 the by closed brackets 1 Printed products 35 hanging to the delivery point Z guided.
  • the lower end portions 35a of the Printed products 35 run on the rising Guide section 36a, which means that the Printed matter 35 into a backward descending Be forced into an inclined position.
  • Above the table 36 a stationary opening backdrop 37 is arranged, which in Direction of conveyance B increases.
  • the control rollers 14 of the Locking devices 7 run on this opening backdrop 37, which means that the locking device 7 from the closed position to the release position be swung up.
  • the clamp jaws 2, 3 released and can move away from each other.
  • the Printed products 35 fall down and lie down each like a roof tile to the previous one Printed product 35 from.
  • the so on the tray table 36 scale formation S is not formed by means of a Displacement conveyor shown in the direction of arrow C led away.
  • the open brackets 1 run in a hanging position further to a recording station, not shown, in which they again take up a printed product 35.
  • the locking device 7 is also by means of a Backdrop or the like from the release position in the Closed position swiveled back as soon as that printed product 35 to be transported between the Clamp jaws 2, 3 is inserted.
  • brackets 1 can be in a vertical position Extend direction or opposite to the vertical be inclined at an angle.
  • clamp jaws 2 and 3 instead of both clamp jaws 2 and 3 as described pivotally mounted on axis 4, it is also possible to fix a clamp jaw 2 or 3 in its position and only the other clamp jaw can be pivoted.
  • a such an embodiment is shown in FIG. designated bracket shown. The takes Clamping jaw 3 a fixed position while the other Clamp jaw 2 is pivotally mounted.
  • bracket 8 is - starting from a transport device 34, as shown in Fig. 7 - a buffer station 38 shown in which a number of closed brackets 1 are pushed together so that they abut each other.
  • the printed products captured by the brackets 1 are not shown.
  • the latter must be releasably connected to the tension member 31 be.
  • the clamps 1 clamped on the tension member 31 brought to the buffer station 38.
  • When hitting the The preceding bracket then becomes the connection to the traction element 31 solved.
  • the brackets 1 one after the other back to the tension member 31 coupled, either in the conveying direction B or can be driven in the opposite direction.
  • FIG. 9-11 in side view and top view shown third embodiment of an inventive Clamp 50 also has two clamp jaws 51, 52, which are preferably made of a resilient material, e.g. made of spring steel.
  • One clamp jaw 51 is on attached to a bracket body 53 and is thus fixed.
  • a holder 54 attached in the an axis 55 is held.
  • the movable clamp jaw 52 pivotally mounted.
  • the clamp jaw 52 has two lateral, bent-up tabs 56 on the axis 55 to be penetrated.
  • the movable clamp jaw 52 will in its clamping position shown in Fig. 10 by means of a Closing device 57 against the fixed clamp jaw 51 pressed.
  • the locking device 57 is shown in FIG their closed position and in Fig. 9 in their Release position shown. 9 shows the clip 50 in open position.
  • the locking device 57 has a pinch roller 58, which are preferably rotatably arranged on a support bracket 59 is.
  • a support bracket 59 With the support bracket 59 is an operating lever 60 connected to a control roller 61 at its free end having.
  • On its outer side 62 is the movable clamp jaw 52 with a locking recess 63 for the pinch roller 58 provided.
  • By punching is in the fixed clamp jaw 51 a resilient tongue 64 is formed, those in their relaxed position shown in FIG. 9 from the clamp jaw 51 against the movable clamp jaw 52 protrudes.
  • the resilient tongue 64 engages with her free end on the movable clamp jaw 52 and holds this open.
  • the operation of the bracket 50 is as follows: If the locking device 57 is in the release position shown in FIG. 9, the movable clamp jaw 52 can be pivoted away from the fixed clamp jaw 51 by the resilient tongue 64.
  • the bracket 50 is in the open position. If, when the clamp 50 is open, the control roller 61 runs onto the closing link 65, which is only shown schematically in FIG. In other words, to close the open bracket 50, the support bracket 59 is pivoted with the pinch roller 58 in the direction of the arrow E (FIG. 9). During this pivoting movement, the clamping roller 58 acting on the outer side 62 of the clamping jaw 52 presses the movable clamping jaw 52 against the fixed clamping jaw 51. In the clamping position of the clamp 50 shown in FIG.
  • the clamping roller 58 engages in the locking recess 63.
  • the two clamp jaws 51, 52 clamp with their ends 51a and 52a the printed product to be transported.
  • the closed position of the locking device 57 in which, as mentioned, the pinch roller 58 engages in the locking recess 63, the resilient tongue 64 is tensioned.
  • the locking device 57 assumes a stable position in its closed position, which means that no additional means acting on the locking device 57 from the outside are required to lock the two clamping jaws 51, 52 in the clamping position.
  • the clip 1 or 50 according to the invention has the further Advantage that they are of relatively simple and lighter construction. Locking the Clamping jaws 2, 3 and 51, 52 in their clamping position takes place quickly and without excessive effort a short movement of the locking device 7 or 57 of the release to the closed position. This is true analogously, of course, towards the opening process.
  • the locking device 7 By pivoting the Release position in the closed position and vice versa bring, it is also possible, the locking device 7 so train them through a translational movement from the closing to the release position and vice versa can be spent.
  • the clip 1 or 50 according to the invention can also be used for Hold both of other flexible items as well Printed products as well as rigid flat surfaces Items such as those made of cardboard.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)

Claims (17)

  1. Pince pour maintenir des objets plats, en particulier des objets souples tels que des produits d'imprimerie à un ou plusieurs feuillets, comprenant deux mâchoires de pince (2, 3 ; 51, 52) montées en pivotement l'une par rapport à l'autre, qui exercent, dans une position de serrage, un effet sur l'objet saisi (35), et comprenant un système de fermeture (7 ; 57) relié aux mâchoires de serrage (2, 3 ; 51, 52), ce système appliquant une force de fermeture (F1, F2 ; F) qui repousse les mâchoires (2, 3 ; 51, 52) l'une contre l'autre, caractérisée en ce que le système de fermeture (7) est mobile en va-et-vient entre une position de libération et une position de fermeture, en ce qu'il applique la force de fermeture (F1, F2 ; F) sur l'une au moins des mâchoires (2, 3 ; 51, 52) uniquement dans cette position de fermeture, et en ce qu'il permet une ouverture des mâchoires (2, 3 ; 51, 52) dans la position de libération.
  2. Pince selon la revendication 1, caractérisée en ce que le système de fermeture (7) comprend deux éléments de pince (8, 9) opposés l'un de l'autre avec une distance (a), appliqués sur les faces extérieures (17, 18) détournées l'une de l'autre des mâchoires de pince (2, 3) dans la position de fermeture du système de fermeture (7), chacun de ces éléments appliquant la force de fermeture (F1, F2) sur la mâchoire (2, 3) associée.
  3. Pince selon la revendication 2, caractérisée en ce que les éléments de pince (8, 9) sont maintenus sur un étrier (10, 11, 12, 15), mobile en va-et-vient, de préférence par pivotement, entre la position de fermeture et la position de libération.
  4. Pince selon la revendication 3, caractérisée en ce que l'étrier (10, 11, 12, 15) porte un organe suiveur (14), par exemple un galet suiveur, destiné à coopérer avec des éléments de commande (37), par exemple des coulisseaux de commande, afin de déplacer l'étrier (10, 11, 12, 15) entre la position de fermeture et la position d'ouverture.
  5. Pince selon l'une des revendications 2 à 4, caractérisée en ce que dans la position de fermeture du système de fermeture (7) les éléments de pince (8, 9) s'engagent chacun dans un évidement d'enclenchement (19, 20), ménagé sur la face extérieure (17, 18) de chaque mâchoire de pince (2, 3).
  6. Pince selon l'une des revendications 3 à 5, caractérisée en ce que les deux mâchoires de pince (2, 3) sont reliées l'une à l'autre de manière articulée au moyen d'un axe (4), sur lequel est monté l'étrier (10, 11, 12, 15).
  7. Pince selon l'une des revendications 1 à 6, caractérisée en ce que l'une des mâchoires de pince (2 ou 3), ou bien les deux mâchoires (2 et 3) sont montées en pivotement sur un axe (4), et la mâchoire pivotante (2, 3), ou respectivement les deux mâchoires pivotantes (2, 3), étant reliée à un levier d'actionnement (24, 25) qui porte à un organe suiveur (26, 27), par exemple un galet suiveur, destiné à coopérer avec des éléments de commande (28, 29), par exemple des coulisseaux de commande, afin de faire pivoter la mâchoire associée (2, 3).
  8. Pince selon les revendications 3 et 6, ou bien les revendications 3 et 7, caractérisée en ce que l'étrier (10, 11, 12, 15) est monté en rotation sur l'axe (4) de façon à pivoter conjointement avec les mâchoires de pince (2, 3).
  9. Pince selon l'une ou l'autre des revendications 3 et 4, caractérisée en ce que l'étrier (10, 11, 12, 15) est bloqué à l'encontre d'un pivotement conjointement avec les mâchoires de pince (2, 3).
  10. Pince selon l'une des revendications 1 à 9, caractérisée par un élément de ressort (33) agissant sur les mâchoires de pince (2, 3) afin de repousser ces mâchoires (2, 3) dans leur position d'ouverture lorsque le système de fermeture (7) se trouve dans la position de libération.
  11. Pince selon l'une des revendications 2 à 10, caractérisée en ce que, dans la position de libération du système de fermeture (7), les éléments de pince (8, 9) se trouvent dans une position située entre l'axe d'articulation (4) pour les deux mâchoires (2, 3) et la position qu'occupent ces éléments de pince (8, 9) dans la position de fermeture du système de fermeture (7).
  12. Pince selon la revendication 1, caractérisée en ce que l'une des mâchoires de pince (51) est fixée sur une pièce de maintien (53), et l'autre mâchoire de pince (52) est montée en pivotement, et en ce que le système de fermeture (57) agit sur la face (62) de la mâchoire de pince pivotante (52) détournée de la première mâchoire de pince fixe (51), et applique sur cette dernière la force de fermeture (F) dans la position de fermeture.
  13. Pince selon la revendication 12, caractérisée en ce que le système de fermeture (57) comprend un élément de pince (58), celui-ci étant maintenu sur un élément porteur (59) relié à la pièce de maintien (53) et mobile en va-et-vient, entre laposition de libération et laposition de fermeture.
  14. Pince selon la revendication 13, caractérisée en ce que, dans la position de fermeture du système de fermeture (57), la pièce de maintien (53) s'engage dans un évidement d'enclenchement (63), ménagé sur la face extérieure (60) de la mâchoire de pince pivotante (52).
  15. Pince selon l'une ou l'autre des revendications 13 et 14, caractérisée en ce que l'élément porteur (59) est relié à un levier d'actionnement (60), celui-ci portant un organe suiveur (61), de préférence un galet suiveur, destiné à coopérer avec des éléments de commande (65, 66), de préférence des coulisseaux de commande, afin de faire pivoter cet élément porteur (59) entre la position de fermeture et la position d'ouverture.
  16. Pince selon l'une des revendications 12 à 15, caractérisée par un élément de ressort (64) agissant sur la mâchoire de pince pivotante (52) afin de repousser cette mâchoire (52) dans sa position d'ouverture, tandis que le système de fermeture (57) se trouve dans sa position de libération.
  17. Dispositif de transport pour des objets plats, en particulier des objets souples tels que des produits d'imprimerie à une ou plusieurs feuilles (35), comprenant une pluralité de pinces (1, 50) selon l'une ou plusieurs des revendications 1 à 16, ces pinces étant guidées le long d'une voie de transport.
EP96113358A 1995-10-03 1996-08-21 Pince pour des articles plats Expired - Lifetime EP0767125B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US08/720,703 US5755436A (en) 1995-10-03 1996-10-02 Clamp for sheet-like articles
CA002187000A CA2187000C (fr) 1995-10-03 1996-10-02 Pince pour articles en feuilles
JP26280696A JP3839529B2 (ja) 1995-10-03 1996-10-03 シート状物用クランプ

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH278695 1995-10-03
CH2786/95 1995-10-03
CH278695 1995-10-03

Publications (2)

Publication Number Publication Date
EP0767125A1 EP0767125A1 (fr) 1997-04-09
EP0767125B1 true EP0767125B1 (fr) 1999-12-01

Family

ID=4241569

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96113358A Expired - Lifetime EP0767125B1 (fr) 1995-10-03 1996-08-21 Pince pour des articles plats

Country Status (3)

Country Link
EP (1) EP0767125B1 (fr)
DE (1) DE59603772D1 (fr)
DK (1) DK0767125T3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6435583B1 (en) * 1997-12-17 2002-08-20 Ferag Ag Gripper for flat objects
DK1040065T3 (da) * 1997-12-17 2002-07-08 Ferag Ag Klemme til fastholdelse af flade genstande
US6464067B1 (en) * 1997-12-23 2002-10-15 Ferag Ag Method and device for storing transport elements
EP1364899B1 (fr) * 2002-05-22 2008-08-27 Ferag AG Méthode pour transporter des produits plats et flexibles, et dispositif pour mettre en oeuvre la méthode

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH636824A5 (de) * 1979-03-08 1983-06-30 Ferag Ag Foerdereinrichtung fuer flaechige erzeugnisse, insbesondere druckprodukte.

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Publication number Publication date
DK0767125T3 (da) 2000-05-01
DE59603772D1 (de) 2000-01-05
EP0767125A1 (fr) 1997-04-09

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