EP0320380B1 - Maschine zum Zusammenheften mit einem schwingenden Hefterkopf - Google Patents

Maschine zum Zusammenheften mit einem schwingenden Hefterkopf Download PDF

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Publication number
EP0320380B1
EP0320380B1 EP88403107A EP88403107A EP0320380B1 EP 0320380 B1 EP0320380 B1 EP 0320380B1 EP 88403107 A EP88403107 A EP 88403107A EP 88403107 A EP88403107 A EP 88403107A EP 0320380 B1 EP0320380 B1 EP 0320380B1
Authority
EP
European Patent Office
Prior art keywords
machine
stapling
axis
guide sleeve
stapling device
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
EP88403107A
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English (en)
French (fr)
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EP0320380A1 (de
Inventor
Rémy Vincent
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
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Application filed by Societe de Developpement de Materiels dEmballage SODEME filed Critical Societe de Developpement de Materiels dEmballage SODEME
Priority to AT88403107T priority Critical patent/ATE76603T1/de
Publication of EP0320380A1 publication Critical patent/EP0320380A1/de
Application granted granted Critical
Publication of EP0320380B1 publication Critical patent/EP0320380B1/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27F—DOVETAILED WORK; TENONS; SLOTTING MACHINES FOR WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES
    • B27F7/00—Nailing or stapling; Nailed or stapled work
    • B27F7/17—Stapling machines
    • 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

Definitions

  • the present invention relates to a stapling machine, intended in particular for assembling planar elements, in particular cardboard blanks in the context of the manufacture of packaging cases, this machine comprising a support plane on which the elements to be stapled are called to pass and an oscillating stapling device mounted on the frame of the machine, facing the support plane, and coupled to an actuating mechanism capable of rotating it in one direction and in the other, around a main axis substantially perpendicular to the direction of travel of the elements to be stapled and within the limits of an angular range of variable amplitude.
  • the present invention proposes to remedy all these drawbacks and, to do this, it provides a stapling machine of the aforementioned type, which is characterized in that it comprises means for varying the amplitude of the pivot range of the stapling device, means which consist of a mechanism for adjusting the distance from the main pivot axis of the stapling device, relative to the bearing plane of the elements to be stapled.
  • the adjustment mechanism comprises, according to a preferred embodiment of the invention, a guide sleeve in which the connecting rod is inserted with free sliding, a positioning arm on which the guide sleeve is mounted pivoting about an axis constituting the main pivot axis of the stapling device, this arm being articulated on the frame of the machine, around a second axis parallel to said main pivot axis and distant from the latter, and control means coupled to the positioning arm to bring it and immobilize it in a chosen angular position.
  • said control means comprise an electric motor driving in rotation at least one member screwed onto a respective threaded rod articulated to the positioning arm, at a point located between the main pivot axis and the second axis.
  • the technique for adjusting the range of the oscillating movement of the stapling device consisting of bringing the stapling elements closer or further away from the bearing plane, is to a much simpler and faster implementation than the manual interventions which until then had been necessary to practice directly in the actuation mechanism of the stapling device.
  • this adjustment can also be done during the operation of the stapling machine, since the guide sleeve can slide along the connecting rod without hampering its oscillating movement.
  • the adjustment mechanism according to the invention therefore guarantees optimal flexibility of adaptation in a production line for packaging cartons, without however affecting the flow rate or the production rate of the latter.
  • the present invention also offers the advantage of a possibility of automating the adjustment of the pivoting range of the stapling device, which can be obtained by placing the electric motor driving the positioning arm, under the order for example from a detector of the running speed of the elements to be stapled.
  • the stapling machine according to the invention is built around a frame 1 which, in a manner known per se, carries a stapling head 2, single or double (shown in dotted lines), suspended above a horizontal support plane 3 (shown in dashed lines), defined by cleat chains or conventional flexible belts.
  • the elements to be assembled mutually by stapling in this case cardboard blanks, arrive on this support plane from the preceding post, namely the folder, and pass continuously under the stapling head 2 under the ripple effect of chains or belts.
  • the stapling head 2 acts cyclically, to place each time a staple or a pair of staples on two blanks to be assembled, under the control of an eccentric actuation mechanism (not shown) wedged on the rotary shaft 4 mounted in the upper part of the frame 1.
  • the stapling head 2 can, in a manner also known per se, oscillate in the direction D of this movement. To do this, it is fixed to a support block 5 articulated at the bottom of four suspension arms, only two of which 6, 7 are visible in FIG. 1, these arms 6, 7 being themselves articulated at 8 and 9 at machine frame 1.
  • a riveting pallet 10 is likewise suspended from the frame 1, by means of four arms 11, 12 (shown in part) and is further connected, by articulated links 13, to the support block 5 of the stapling head, to follow the movement oscillating from the latter.
  • This oscillating movement of the stapling head is more precisely produced by a control rod 14 which, under the control of an eccentric actuation mechanism 14 wedged on the rotary shaft 4 (shown in a tearing of the frame on the Figure 1), can rotate, in one direction and in the other, around a horizontal axis X substantially perpendicular to the direction of advance D of the elements to be stapled.
  • the articulation 16 between the control rod 14 and its actuation mechanism 15 is further supported by an elbow lever 17, itself articulated to the frame.
  • the control rod 14 is coupled, by an articulated link 18, to the front of the support block 5 of the stapling head.
  • a mechanism is provided for adjusting the amplitude of the pivoting range or of the oscillating movement of the control rod 14 and, consequently, of the stapling device constituted by the stapling head. 2 and the riveting pallet 10 which extends under the latter to cooperate with it.
  • this adjustment mechanism comprises a positioning arm 19, a first end of which is articulated on the frame 1, around an axis Y parallel to the pivot axis X of the connecting rod 14.
  • the arm 19 which is in fact essentially formed by two parallel branches 20, 21, carries, at its second end, a guide sleeve 22 (shown in a cutaway in FIG. 1) pivotally mounted, between these two branches, by two lateral pins 23, 24 (see FIG. 2) which define the pivot axis X, this sleeve 22 freely sliding receiving the control rod 14.
  • the positioning arm 19 is, at its middle part, suspended, by two rods of articulated vertical connection 25, to a mechanism for controlling its angular position, shown diagrammatically in FIG. 4, the two connecting rods 25 being articulated at 25a on the arm 9.
  • this control mechanism comprises a small electric motor 26 driving, by means of a transmission 27, 28, a first horizontal pulley 29, the hub of which is screwed onto a vertical threaded rod 30, articulated by its lower end, at the top of one of the connecting rods 25, as indicated at 31 in FIG. 1.
  • a belt 32 passes around the pulley 29 and a second horizontal pulley 33, the hub is screwed onto a second threaded rod 34, parallel to the first and articulated at the top of the second connecting rod 25.
  • the pulleys 29, 33 and the belt 32 can of course be replaced respectively by toothed wheels and a chain.
  • FIG. 2 shows the structural details of the guide sleeve 22.
  • this guide sleeve 22 consists of two parts, namely a main shell 35 which carries the two pins side 23, 24 and a cover 36 which is assembled by screws 37, 38 to the shell 35, after positioning of the control rod 14 inside the latter.
  • the shell 35 and the cover 36 delimit, after assembly, a sliding cavity 39 of rectangular cross section.
  • the connecting rod 14 is applied only against the four corners of this cavity 39 by four longitudinal bearing surfaces 40 forming a single piece with a central core 41 in the form of H.
  • This special machining of the control rod 14, which aims to minimize friction, will in principle be limited to the section thereof, on which the sleeve 22 is called upon to slide (see FIG. 1). However, it will be good to cut or hollow out the remaining part of the connecting rod 14 to reduce the inertia.
  • a wedge-shaped take-up key 43 is retained, on the correspondingly shaped inner face of the cover 36 of the guide sleeve 22, by a screw-nut assembly 44 joining two external extensions 45, 46 of these two parts. It is in fact this key 43 which defines, with the shell 35, the sliding cavity 39 of the guide sleeve.
  • the use of the key to take up play 43 avoids the need for precise sizing of the cavity 39.

Claims (6)

1. Maschine zum Zusammenheften von vor allem flachen Teilen, insbesondere von Kartonzuschnitten im Rahmen der Verpakkungskästen-Herstellung, mit einer Auflagefläche (3), auf welcher die zu heftenden Teile vorbeiwandern, und mit einer schwingenden Hefteinrichtung (2,10), die auf dem Maschinengestell gegenüber der Auflagefläche montiert und mit einem Betätigungsmechanismus (15) in der Weise gekoppelt ist, daß sie um eine im wesentlichen senkrecht zur Wanderbewegung (D) der zusammenzuheftenden Teile verlaufende Hauptachse (X) hin und her zu schwenken ist, und zwar innerhalb der Grenzen eines Winkelbereichs mit verstellbarer Amplitude, dadurch gekennzeichnet, daß die Maschine Mittel zum Variieren der Amplitude des Schwenkbereichs der Hefteinrichtung (2,10) aufweist, wobei diese Mittel einen Mechanismus zum Verändern des Abstandes der Hauptachse (X) für die Schwenkbewegung der Hefteinrichtung (2,10) aufweisen, und zwar in Bezug auf die Abstützebene (3) der zusammenzuheftenden Teile.
2. Maschine zum Zusammenheften nach Anspruch 1, dadurch gekennzeichnet, daß die Hefteinrichtung (2,10) mit ihrem Betätigungsmechanismus (15) über eine Steuerstange (14) verbunden ist und daß der Steuermechanismus eine Führungsbüchse (22) aufweist, in welcher die Steuerstange (14) mit freiem Gleitbewegungsspiel geführt ist, wobei ein Positionierarm (19) vorgesehen ist, auf welchem die Führungsbüchse um eine die Hauptschwenkachse (X) der Hefteinrichtung (2,10) bildende Achse schwenkbeweglich gelagert ist, und daß weiterhin der Positionierarm (19) am Maschinengestell (1) um eine zweite Achse (Y) schwenkbeweglich gelagert ist, die parallel zur Hauptschwenkachse und im Abstand zu ihr verläuft, und daß schließlich mit dem Positionierarm (19) Steuermittel verbunden sind, um ihn in eine bestimmte gewünschte Winkelposition zu bringen bzw. ihn darin zu halten.
3. Maschine zum Zusammenheften nach Anspruch 2, dadurch gekennzeichnet, daß die Steuermittel einen Elektromotor (26) aufweisen, der wenigstens ein Organ (29,33) drehanzutreiben erlaubt, das auf einer Gewindestange (30 bzw. 34) schraubverstellbar sitzt, die mit dem Positionierarm (19) an einer zwischen der Hauptschwenkachse (X) und der zweiten Achse (Y) gelegenen Stelle schwenkbeweglich verbunden ist.
4. Maschine zum Zusammenheften nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß die Führungsbüchse (22) aus zwei Teilen besteht, nämlich einem Hauptkörper (35), der zwei seitliche, die Hauptschwenkachse (X) bildende Lagerzapfen (23,24) trägt, und einem mit dem Hauptkörper (35) in solcher Weise verbundenen Deckel (36), daß zwischen beiden ein Gleitraum (39) für die Steuerstange (14) gebildet ist.
5. Maschine zum Zusammenheften nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, daß in der Führungsbüchse (22) ein nachstellbarer Keil (43) in Form eines Winkels auswechselbar angeordnet ist.
6. Maschine zum Zusammenheften nach einem der Ansprüche 2 bis 5, dadurch gekennzeichnet, daß der in der Führungsbüchse (22) vorhandene Gleitraum (39) einen rechteckförmigen Querschnitt besitzt und die Steuerstange (14) sich darin an den vier Ecken dieses Gleitraums abstützt, und zwar über an ihr vorhandene, einstückig an ihrer zentralen Seele (41) angeformte vier längsverlaufende Laufrippen (40).
EP88403107A 1987-12-09 1988-12-07 Maschine zum Zusammenheften mit einem schwingenden Hefterkopf Expired - Lifetime EP0320380B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88403107T ATE76603T1 (de) 1987-12-09 1988-12-07 Maschine zum zusammenheften mit einem schwingenden hefterkopf.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8717127A FR2624431B1 (fr) 1987-12-09 1987-12-09 Machine a agrafer a tete d'agrafage oscillante
FR8717127 1987-12-09

Publications (2)

Publication Number Publication Date
EP0320380A1 EP0320380A1 (de) 1989-06-14
EP0320380B1 true EP0320380B1 (de) 1992-05-27

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ID=9357667

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88403107A Expired - Lifetime EP0320380B1 (de) 1987-12-09 1988-12-07 Maschine zum Zusammenheften mit einem schwingenden Hefterkopf

Country Status (5)

Country Link
EP (1) EP0320380B1 (de)
AT (1) ATE76603T1 (de)
DE (1) DE3871506D1 (de)
ES (1) ES2031269T3 (de)
FR (1) FR2624431B1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2664847B1 (fr) * 1990-07-18 1992-10-30 Dev Mat Emballage Dispositif d'agrafage en continu a palette de rivetage fixe et machine a agrafer equipee d'un tel dispositif.
FR2736578B1 (fr) * 1995-07-11 1997-08-22 Sodeme Sa Machine d'agrafage a tete d'agrafage mobile
ES2128230B1 (es) * 1996-02-21 1999-12-16 Volpak Sa Dispositivo grapador de bolsas para maquinas envasadoras automaticas.
CN106626521A (zh) * 2016-12-09 2017-05-10 重庆锦沙沣包装有限公司 纸箱装订装置
CN113650354B (zh) * 2021-08-19 2023-04-18 丰城市星泽科技有限公司 一种瓦楞纸箱生产用打钉机

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3221067A1 (de) * 1982-06-04 1983-12-08 Wilhelm Bahmüller Maschinenbau Präzisionswerkzeuge GmbH, 7067 Plüderhausen Heftkopf fuer eine drahtheftmaschine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1886971A (en) * 1929-07-29 1932-11-08 Saranac Automatic Machine Corp Carton stapling machine
DE1103120B (de) * 1956-08-07 1961-03-23 Behn Verpackung Erwin Vorrichtung zum Zusammenheften der Bodenseitenumschlaege von Kreuzboeden an Papiersaecken mittels Drahtklammern od. dgl.
FR2170345A5 (de) * 1972-01-31 1973-09-14 Gautronneau Gilles
IT1078085B (it) * 1977-02-17 1985-05-08 Corali Bruno Macchina cucitrice particolarmente per cassette da imballaggio
CH662987A5 (de) * 1984-01-26 1987-11-13 Grapha Holding Ag Sattelheftmaschine.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3221067A1 (de) * 1982-06-04 1983-12-08 Wilhelm Bahmüller Maschinenbau Präzisionswerkzeuge GmbH, 7067 Plüderhausen Heftkopf fuer eine drahtheftmaschine

Also Published As

Publication number Publication date
FR2624431B1 (fr) 1994-07-22
EP0320380A1 (de) 1989-06-14
FR2624431A1 (fr) 1989-06-16
ATE76603T1 (de) 1992-06-15
DE3871506D1 (de) 1992-07-02
ES2031269T3 (es) 1992-12-01

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