EP0467741B1 - Kontinuierliche Heftklammervorrichtung mit feststehendem Klammerbett und mit einer solchen Vorrichtung versehene Heftklammermaschine - Google Patents

Kontinuierliche Heftklammervorrichtung mit feststehendem Klammerbett und mit einer solchen Vorrichtung versehene Heftklammermaschine Download PDF

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Publication number
EP0467741B1
EP0467741B1 EP91401859A EP91401859A EP0467741B1 EP 0467741 B1 EP0467741 B1 EP 0467741B1 EP 91401859 A EP91401859 A EP 91401859A EP 91401859 A EP91401859 A EP 91401859A EP 0467741 B1 EP0467741 B1 EP 0467741B1
Authority
EP
European Patent Office
Prior art keywords
stapling
bed
head
axis
stapling head
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
EP91401859A
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English (en)
French (fr)
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EP0467741A1 (de
Inventor
Yves Marysse
Daniel Baboy
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.)
Societe de Developpement de Materiels dEmballage SODEME
Original Assignee
Societe de Developpement de Materiels dEmballage SODEME
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Publication date
Application filed by Societe de Developpement de Materiels dEmballage SODEME filed Critical Societe de Developpement de Materiels dEmballage SODEME
Publication of EP0467741A1 publication Critical patent/EP0467741A1/de
Application granted granted Critical
Publication of EP0467741B1 publication Critical patent/EP0467741B1/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/04—Applying separate sealing or securing members, e.g. clips
    • B65B51/05—Stapling
    • 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/60—Uniting opposed surfaces or edges; Taping
    • B31B50/68—Uniting opposed surfaces or edges; Taping by stitching, stapling or riveting
    • B31B50/684—Uniting opposed surfaces or edges; Taping by stitching, stapling or riveting for joining the overlapping edges of collapsed blanks to form tubular blanks

Definitions

  • the present invention relates to a device for stapling flat elements, such as for example cardboard blanks, of the type comprising, on a frame, at least one oscillating or rotary stapling head, as well as a defined riveting pallet by a main longitudinal axis substantially perpendicular to the pivoting axis of the stapling head, the active free end of which is also held in front of an imprint of a stapling counterpart formed on the riveting pallet .
  • Stapling devices of this type are fitted in particular to stapling machines which, at the outlet of the production lines for packaging cases, carry out the mutual assembly of the two free sides of the folded cardboard blanks. These pass in succession under the oscillating or rotary stapling head while being guided and positioned by the riveting pallet, which, in order to maintain the imprint of the stapling counterpart permanently in the path of the staple posed by the head must oscillate in perfect synchronism with the movement of the latter.
  • this riveting pallet must be long enough to avoid too great a deformation of the cardboard sections to be stapled and massive enough not to bend when driving in and riveting the staple. This results, for the riveting pallet, a significant inertia, source of effort and vibration during its oscillating movement at high speed, and this can result in an imperfection of the stapling performed.
  • the present invention seeks to remedy this drawback by proposing a device for stapling flat elements, such as for example cardboard blanks, of the type specified in the introduction, which is characterized in that its riveting pallet is fixedly mounted on the frame, and the stapling counterpart is constituted by a movable anvil whose trajectory of the imprint is at least partly substantially coincident with that of the active free end of the stapling head.
  • This anvil which can have dimensions and a weight minimum, will have negligible inertia during its movement and, the riveting pallet being fixed, the problems of vibration and mechanical stress encountered hitherto disappear.
  • no control mechanism is required to ensure its movement in synchronism with the pivoting of the stapling head, since the latter by pressing the cardboard against the anvil, automatically drives it by adhesion in its movement , when installing the clip.
  • the movable anvil has the shape of a plate mounted to slide on the surface of the riveting pallet, in the direction of the main longitudinal axis of the latter and against by the force of a return spring, in which case, if the stapling head is double, the two corresponding indentations can be made in the same sliding plate, one behind the other in the direction of the main axis longitudinal of the riveting pallet.
  • the movable riveting anvil is constituted by a circular disc mounted in rotation on the surface of the pallet riveting around an axis substantially orthogonal to the main longitudinal axis thereof. This disc being driven always in the same direction of rotation, on an angular sector given to each stapling cycle, is in fact the subject of no return movement "empty" source of desynchronization.
  • this disc is endowed with a continuous circular imprint centered on its axis of rotation, and preferably constituted by two concentric and adjacent grooves in the shape of a circle, this eliminates the problem of the precision of the positioning of the imprint at the start of each stapling cycle.
  • the stapling head is positioned on one side of the axis of rotation of the disc and the latter inclines downward in a direction opposite to the stapling head , to avoid any friction between the element to be stapled and the part of the disc located outside the field of action of the stapling head.
  • the anvil or at least its part facing the active free end of the stapling head is slightly protruding with respect to the surface of the riveting pallet, to be guaranteed in all circumstances to be suitably driven by the cardboard pressed in contact with it by the stapling head.
  • the present invention also relates to a machine for stapling flat elements, in particular cardboard blanks, comprising a stapling device, as defined above, associated with means for continuously driving the elements to be stapled, capable of scroll them successively on and along the riveting pallet, in the direction of the main longitudinal axis of the latter.
  • the stapling device shown in FIG. 1 comprises a stapling head 1, here a double head, which is suspended from a frame 2 by a deformable parallelogram pivoting around two axes A, of so as to be able to be animated with an oscillating movement in the direction of travel D of the folded cardboard blanks F, the two free sides P1 and P2 of which are to be stapled together.
  • the mechanism generating the oscillating movement of the stapling head 1 which does not appear in the figures, can be of the type described in document FR-A-2 624 431 in the name of the present Applicant.
  • the stapling head 1 cooperates, at its free end 1a, with a stapling counterpart 3, visible in FIG. 3, located at the front of a riveting pallet 4.
  • This pallet 4 has the shape of a long rectangular plate whose median longitudinal axis X extends in the direction of travel D of the blanks F, that is to say substantially perpendicular to the axes of pivoting A of the stapling head 1.
  • this riveting pallet 4 is fixed, being secured to the frame 2 by a solid vertical arm 5 which is slightly offset towards the rear of the pallet 4, in order to leave any freedom of movement to the stapling head oscillating 1 located at the front.
  • the arm 5 is connected to the outer longitudinal edge 6 of the pallet 4 by a curved lateral veil 7, tilting backwards.
  • the folded blanks F which arrive in succession on cleat chains, not shown, engage, by their double central pan P3, under the pallet 4 and advance along it with their flaps free sides P1 and P2 sliding respectively on the veil 7 and on the upper surface 4a of the pallet 4, as can be seen in FIG. 2.
  • the lips superimposed to staple the two sides P1, P2 s '' introduce under the active free end 1a of the double stapling head 1, which is then pressed against them to simultaneously install two joining staples, while pivoting a short angular distance forward in order to follow the continuous movement of the blank F.
  • the stapling counterpart 3 must of course be permanently under the active free end 1a of the oscillating head 1 and, to this end, it is formed, according to the invention, by a movable riveting anvil.
  • this movable anvil is constituted by a rectangular plate 8, of minimum dimensions, mounted to slide, in the direction of travel D of the blanks F, inside of a light 9, of complementary shape, formed in the riveting pallet 4.
  • the plate 8 has, in each of its lateral edges, a groove 10 or 11 in which engages a respective tongue 12 or 13 formed in protrusion on a corresponding edge of the lumen 9. It will be observed that the two tongues 12, 13 are flush with the upper surface 4a of the riveting pallet 4, so that the plate 8 protrudes slightly above the latter.
  • Its upper surface 8a is furthermore provided with two indentations, each of which, formed of two cells 14, 15 and 14a, 15a, is associated with a respective staple driving part of the double head 1.
  • a spring 16 working in elongation, is interposed between the front edge of the light 9 and the front part of the plate 8, which is also, for its assembly, formed of two symmetrical parts 8b, 8c assembled by a screw 17.
  • FIG. 4 represents the plate 8 in the remote position which it occupies at the starting point of each stapling cycle, just before the head 1 intervenes on the two superimposed cardboard sections P1, P2 advancing on its upper surface 8a.
  • the head pressing the two sides of cardboard, while pivoting forward, will cause in its movement of the sliding plate 8 by compressing the spring 16.
  • the pairs of cells 14, 15 and 14a, 15a will be permanently in alignment with the two staples placed B to ensure perfect riveting of the branches of the latter after pushing in, as shown in FIG. 6.
  • the head releases its pressure on the staples P1, P2, so that the plate 8 is automatically pushed back by the spring 16 into its starting position in view of the cycle next stapling.
  • FIG. 7 illustrates a second embodiment of the invention, in which the movable anvil has the shape of a circular disc or pellet 18, mounted in rotation about an axis Y substantially perpendicular to the axis main longitudinal X of the riveting pallet 4, inside a housing 19 of complementary shape, machined in the front part 20 of the latter, enlarged for this purpose.
  • Figure 8 shows that the disc 18 is rotatably mounted, by means of a ball bearing 21, around a hub 22 fixed to the center of the bottom of the circular housing 19 by screws 23.
  • the disc 18 rests, near its peripheral edge 18b, on needle stops, such as 24, positioned radially on the bottom of the housing 19.
  • FIGS. 7 and 8 it can also be seen that two circular grooves 25, 26, concentric and adjacent, with a rounded bottom, are engraved in the upper surface 18a of the disc 18, very close to the peripheral edge 18b of the latter.
  • the active free end thereof in its forward movement, will drive the disc in rotation about the Y axis and will describe, following the circular imprint, a trajectory in an arc, over 4 to 5 mm, along which the staples will be driven into the cardboard and riveted in the two grooves 25, 26 of the imprint, as described previously with reference to FIG. 6.
  • the stapling head will be raised and returned to its starting position, above another point of the continuous circular imprint 25, 26 for the next stapling cycle, without any problem being posed positioning vis-à-vis the latter.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Dovetailed Work, And Nailing Machines And Stapling Machines For Wood (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)

Claims (10)

  1. Vorrichtung zum Verklammern ebener Teile wie etwa Pappzuschnitte, nach der Bauart mit mindestens einem schwenkbaren oder drehbaren Verklammerkopf (1) an einem Gestell (2) und einer Nietplatte (4), die durch eine zur Drehachse (A) des Verklammerkopfes wesentlich senkrechte Längshauptachse (X) bestimmt ist, dessen wirkendes freies Ende (1a) außerdem gegenüber einer Aufnahme eines auf der Nietplatte ausgebildeten Verklammergegenstückes (8 ; 18) gehalten ist, dadurch gekennzeichnet, daß die Nietplatte (4) feststehend am Gestell (2) angebracht ist und das Verklammergegenstück durch einen beweglichen Amboß (8 ; 18) gebildet ist, bei dem die Bahn der Aufnahme (14, 15 ; 25, 26) mit der Bahn des wirkenden freien Endes (1a) des Verklammerkopfes (1) mindestens zum Teil wesentlich übereinstimmt.
  2. Verklammervorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der bewegliche Amboß die Form eines Plättchens (8) aufweist, das an der Oberfläche (4a) der Nietplatte (4) in Richtung deren Längshauptachse (X) und gegen die Kraft einer Rückstellfeder (16) verschiebbar gelagert ist.
  3. Verklammervorrichtung nach Anspruch 2, mit einem doppelten Verklammerkopf ausgerüstet, dadurch gekennzeichnet, daß beide entsprechende Aufnahmen (14, 15 ; 14a, 15a) in Richtung der Längshauptachse (X) der Nietplatte (4) hintereinander im selben verschiebbaren Plättchen (8) eingearbeitet sind.
  4. Verklammervorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der bewegliche Amboß die Form einer kreisförmigen Scheibe (18) aufweist, die an der Oberfläche (4a) der Nietplatte (4) um eine zu deren Längshauptachse (X) wesentlich orthogonale Achse (Y) drehbar gelagert ist.
  5. Verklammervorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß die Scheibe (18) eine kreisförmige durchgehende Aufnahme (25, 26) aufweist, die um die Drehachse (Y) der Scheibe zentriert ist.
  6. Verklammervorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß die Aufnahme durch zwei konzentrische und angrenzende kreisförmige Nuten (25, 26) gebildet ist.
  7. Verklammervorrichtung nach Anspruch 5 oder 6, dadurch gekennzeichnet, daß die Aufnahme am Umfang der Scheibe (18) eingearbeitet ist.
  8. Verklammervorrichtung nach einem der Ansprüche 4 bis 7, dadurch gekennzeichnet, daß der Verklammerkopf (1) an einer Seite der Drehachse (Y) der Scheibe (18) positioniert ist, und daß die Scheibe ausgehend vom Verklammerkopf nach unten schräg liegt.
  9. Verklammervorrichtung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß der Amboß (8, 18) oder mindestens sein dem wirkenden freien Ende des Verklammerkopfes gegenüberliegendes Teil aus der Oberfläche (4a) der Nietplatte (4) leicht vorsteht.
  10. Maschine zum Verklammern ebener Teile, insbesondere Pappzuschnitte, mit einer Verklammervorrichtung nach einem der Ansprüche 1 bis 9, verbunden mit Mitteln zum kontinuierlichen Antreiben der zu verklammernden Teile (F), die letztere nacheinander auf und an der Nietplatte (4) in Richtung deren Längshauptachse (X) vorbeiführen können.
EP91401859A 1990-07-18 1991-07-04 Kontinuierliche Heftklammervorrichtung mit feststehendem Klammerbett und mit einer solchen Vorrichtung versehene Heftklammermaschine Expired - Lifetime EP0467741B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9009167A FR2664847B1 (fr) 1990-07-18 1990-07-18 Dispositif d'agrafage en continu a palette de rivetage fixe et machine a agrafer equipee d'un tel dispositif.
FR9009167 1990-07-18

Publications (2)

Publication Number Publication Date
EP0467741A1 EP0467741A1 (de) 1992-01-22
EP0467741B1 true EP0467741B1 (de) 1995-12-20

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Application Number Title Priority Date Filing Date
EP91401859A Expired - Lifetime EP0467741B1 (de) 1990-07-18 1991-07-04 Kontinuierliche Heftklammervorrichtung mit feststehendem Klammerbett und mit einer solchen Vorrichtung versehene Heftklammermaschine

Country Status (5)

Country Link
EP (1) EP0467741B1 (de)
AT (1) ATE131787T1 (de)
DE (1) DE69115583T2 (de)
ES (1) ES2084130T3 (de)
FR (1) FR2664847B1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103963349A (zh) * 2014-05-07 2014-08-06 赵咪咪 一种钉箱机的钉头自动转向器
CN104325706A (zh) * 2014-10-25 2015-02-04 郭玉 纸箱钉箱机的下钉模装置
CN107214998B (zh) * 2017-07-27 2023-05-23 寻乌县天源包装有限公司 一种双片式彩箱自动钉箱机及其控制方法
CN107934066A (zh) * 2017-11-23 2018-04-20 中山市电赢科技有限公司 一种自动订装吸塑壳的装置及其方法
CN109016666A (zh) * 2018-08-16 2018-12-18 温州锡安包装有限公司 一种包装用瓦楞纸箱钉箱机
CN109986839B (zh) * 2019-03-25 2021-07-30 宝鸡文理学院 一种使用单片纸板的纸箱生产机械
CN110027252A (zh) * 2019-04-22 2019-07-19 珠海市祥英纸品包装有限公司 一种便于调节角度的手动钉箱机
CN112389023A (zh) * 2020-11-25 2021-02-23 湖南鹏羽信息科技有限公司 一种企业形象设计使用的包装纸盒用装订设备及方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2170345A5 (de) * 1972-01-31 1973-09-14 Gautronneau Gilles
FR2624431B1 (fr) * 1987-12-09 1994-07-22 Dev Mat Emballage Machine a agrafer a tete d'agrafage oscillante

Also Published As

Publication number Publication date
DE69115583T2 (de) 1996-08-01
DE69115583D1 (de) 1996-02-01
EP0467741A1 (de) 1992-01-22
FR2664847A1 (fr) 1992-01-24
FR2664847B1 (fr) 1992-10-30
ES2084130T3 (es) 1996-05-01
ATE131787T1 (de) 1996-01-15

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