WO1996008414A1 - Procede et dispositif pour torsader des fils d'attache - Google Patents

Procede et dispositif pour torsader des fils d'attache Download PDF

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Publication number
WO1996008414A1
WO1996008414A1 PCT/DE1995/001165 DE9501165W WO9608414A1 WO 1996008414 A1 WO1996008414 A1 WO 1996008414A1 DE 9501165 W DE9501165 W DE 9501165W WO 9608414 A1 WO9608414 A1 WO 9608414A1
Authority
WO
WIPO (PCT)
Prior art keywords
bundle
twisting
binding wire
wire
head
Prior art date
Application number
PCT/DE1995/001165
Other languages
German (de)
English (en)
Inventor
Heiko Meck
Stefan Berger
Original Assignee
Sket Schwermaschinenbau Magdeburg 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 Sket Schwermaschinenbau Magdeburg Gmbh filed Critical Sket Schwermaschinenbau Magdeburg Gmbh
Publication of WO1996008414A1 publication Critical patent/WO1996008414A1/fr

Links

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
    • B65B13/00—Bundling articles
    • B65B13/18—Details of, or auxiliary devices used in, bundling machines or bundling tools
    • B65B13/24—Securing ends of binding material
    • B65B13/28—Securing ends of binding material by twisting

Definitions

  • the invention relates to a method and a device for twisting binding wire with an axially displaceable twisting head on a wire binding machine for binding a bundle, in particular a stack, package or bundle of shaped steel in a rolling mill, the continuing of the twisting head. From this end, the binding wire supplied is laid around the bundle, returned to it and tightened, the two end sections of the binding wire being crossed in the drilling head and the front end of the binding wire being clamped in the drilling head.
  • a knot closure is the twisting of the wire ends of a binding wire placed around the bundle.
  • a device for twisting binding wire for a wire binding machine with an axially displaceable twisting head, a clamping device and a cutting bushing is known.
  • the twisting of the binding wire is carried out with a twisting head with intersecting bores and grooves for guiding the binding wire.
  • the twisting head is displaced axially in the direction of the binding material and forms the twisting.
  • load the drill head moves back into the starting position, the wire ends being pulled out of the drill head.
  • the "twistable wire length" which is different depending on the geometry of the binding material, is twisted and is present in front of the drilling head until the binding material is completely tightened.
  • the invention is based on the object of a method and a device for twisting binding wire with an axially displaceable twisting head on a wire binding machine for binding a bundle, in particular a stack, package or bundle of shaped steel in a rolling mill, the head continuously fed binding wire from this around the bundle, returned to this and tightened and thereby the two end sections of the binding wire are crossed in the drill head and the front end of the binding wire is clamped in the drill head to create what Even with frequently changing forms of the bundle, constant, short and tight twisting is achieved without changing the machine parameters.
  • the object is achieved in that, independently of the shape of the bundle, the drill head is brought into an identical starting position with respect to the bundle and is moved by the latter with a predetermined number of rotations in order to twist the crossed end sections of the binding wire in the axial direction, the front end of the binding wire released and its rear end from the continuous
  • Binding wire is separated and the free end sections are further twisted and then the twisting head is axially displaced in the opposite direction to its starting position to the bundle, the untwisted ends of the binding wire being pressed laterally with a pressing element in the direction of the bundle the twist is applied.
  • the number of revolutions of the twisting head for twisting the binding wire is preferably entered into a rotary encoder as a setpoint and is controlled and monitored by the latter.
  • the crossed end sections of the binding wire are connected to form a self-locking twist and then the front end of the binding wire is released and its rear end is cut off.
  • the untwisted ends of the binding wire are applied to the twist by means of a pressure sleeve connected to the twisting head on its side facing the bundle and displaceable in the axial direction by the Pushing the pressure sleeve axially beyond the starting position of the drill head towards the bundle in the direction of the bundle over the twist and the untwisted ends, the pressure sleeve being pulled back axially in the direction of the drill head after the untwisted ends have been applied until it has reached its starting position and the twist is released.
  • the solution according to the invention ensures that a defined distance between the drill head and the bundle and a defined release of the end sections of the binding wire are mainly used to form a "drill knot", a short “drill knot” with relatively short protruding ends is achieved and thus not only the “twistable length” available in front of the twisting head and deliberately kept short is used up, but also, apart from the very short ends still present, which are still to be applied to the twisting which are in the twisting head and its End sections existing intersecting guideways are used.
  • a “twist knot” is understood here to mean the twisting of the binding wire.
  • the invention comprises a device, the bundle resting against a spacer supported on a housing, the drill head being arranged in a predetermined starting position with respect to the bundle, and rotatable about its longitudinal axis by the latter for twisting the binding wire into one , a larger distance from the bundle, the end position is axially displaceable, the drill head being assigned a drill drive provided with a rotary encoder with sensor and the drill head being equipped with a cutting device device for the continuous binding wire and a clamping device for the front end of the binding wire is connected and wherein a pressing element for placing the untwisted ends of the binding wire on the twist in the direction of the bundle is arranged on the twisting head.
  • twisting head is arranged on the side facing the bundle on a twisting shaft which is connected via a gear stage to the rotary drive provided with a rotary encoder with a sensor and at the one in the area of its rear end Drive is arranged, which moves the drill head in the region of its starting and end positions in both directions via the drilling shaft.
  • the pressure element is designed as a cylindrical pressure sleeve, the pressure sleeve being arranged to be axially movable in the drilling head and being displaceable toward the bundle via its starting position.
  • a pressure drive is arranged on the housing, by means of which the cylindrical pressure sleeve can be actuated by means of a pressure lever and a bayonet lock and an axially displaceable pressure pin arranged in the twist shaft.
  • the cutting device for the continuous binding wire can be designed in such a way that the drill head is rotatably mounted in a cutting bush fixedly connected to the housing and a knife is arranged on the drilling head, the continuous binding wire being fixed in its position by the cutting bush and at a certain angle of rotation the knife is separable.
  • a clamping piece is arranged on the lower part of the cutting bush, which is assigned a clamping lever which can be actuated by a clamping drive.
  • Fig. 1 is a front view of the device for twisting
  • FIG. 2 shows the view A according to FIG. 1 in an enlarged view
  • FIG. 3 shows the view B according to FIG. 2
  • Fig. 4 is a front view of part of the device according to Fig. 1 with a drill head in four working positions.
  • the method for twisting a binding wire 2 is carried out with an axially displaceable twisting head 13, as shown in the figures. It can be used for bundle 1 with different shapes and dimensions, in particular for stacks, packages or bundles of shaped steel in a rolling mill. It is not necessary to change the machine parameters here.
  • Drill head 13 continuously fed binding wire 2 from these in a manner known per se around bundle 1 and fed back to drill head 13.
  • the two end sections of the binding wire 2 are crossed in the drill head 13, which has corresponding guides.
  • the front end of the binding wire 2 is held in the drill head 13 with a clamping device shown in FIGS. 2 and 3.
  • the subsequent tightening of the binding wire 2 around the bundle 1 is carried out by a driver, not shown.
  • the drill head 13 assumes an identical starting position with respect to it.
  • spacers 25 arranged laterally next to the drill head 13 on a housing 3 of the device.
  • the end sections of the binding wire 2, which are twisted together, are therefore always of the same length.
  • the spacers 25 also prevent damage to the twisting device by the bundle 1.
  • FIGS. 4 and 5 show that the drill head 13 rotates about its longitudinal axis and begins to twist the binding wire 2 placed around the bundle 1.
  • the crossed end sections of the binding wire 2 are connected to form a self-locking twist. Thereafter, the front end of the binding wire 2 is released and its rear end is separated from the continuous binding wire 2.
  • the drill head 13 is moved away from the bundle 1 in the axial direction.
  • the intended inclination of the twist or the "drill knot" results from the simultaneous rotation and locomotion.
  • the free end sections are further twisted.
  • the number of revolutions of the twisting head 13 for twisting the binding wire 2 are entered in a rotary encoder 7 (FIG. 1) as a setpoint and are controlled and monitored by the latter.
  • the pressing element can be a pressure sleeve 15 connected to the drill head 13 on its side facing the bundle 1 and axially displaceable relative thereto.
  • the pressure sleeve 15 is, as shown in FIG. 6, pushed beyond the starting position of the drill head 13 to the bundle 1, axially in the direction of the bundle 1 over the twisting and the undistorted ends. A close contact of the ends in the direction of bundle 1 with the twist is thereby achieved.
  • the pressure sleeve 15 is withdrawn axially in the direction of the twisting head 13 until it reaches its starting position and the completed twisting is released, as shown in FIG. 7.
  • the device for twisting binding wire on a wire binding machine is designed as a complete assembly, apart from means for controlling the hydraulics and the electrical system and for feeding the binding wire 2 and its tightening. It has a housing 3 with a gear stage 4, driven by a drill drive 6, which in turn is connected to the rotary encoder 7 and to which a sensor 5 is assigned.
  • the gear stage 4 transmits the torque directly to an axially displaceable twist shaft 8.
  • the twist head 13 On the twist shaft 8, the twist head 13 is fixedly arranged on the side facing the bundle 1.
  • the drill head 13 has a knife 14 (FIG. 2).
  • the cylindrical pressure sleeve 15 which is displaceable toward the bundle 1 over the starting position thereof, is arranged so as to be axially movable.
  • a pressure pin 16 and a bayonet lock 18 are connected to the drill shaft 8.
  • the drill head 13 is rotatable in a fixed manner with the housing 3 connected cutting bushing 20 arranged.
  • a clamping piece 21 is fastened to the cutting bushing 20.
  • This is assigned a pivotable clamping lever 22 with a stop, actuated by a clamping drive 23, as shown in more detail in FIG. 3.
  • the spacers 25 are arranged laterally next to the cutting bush 20.
  • the spacers 25 are arranged laterally next to the cutting bush 20.
  • a bracket 10 attached to the rear of the housing 3 accommodates the preferably hydraulically actuated drive 12 for the longitudinally displaceable twist shaft 8 and secures an intermediate bearing 9 against rotation.
  • a sensor 11 monitors the end position of the drill shaft 8 and thus of the drill head 13.
  • a pressure lever 17 is pivotally mounted on the axial bearing housing 9 and is actuated by a preferably hydraulically actuated pressure drive 19.
  • the front end of the binding wire 2 is guided through the drill head 13 until the clamping lever 22 stops, in order to hold it with the clamping device. Then it is pressed by the clamping lever 22 and the clamping drive 23 to the clamping piece 21. After tightening the binding wire 2 around the bundle 1, the drill drive 6 drives via the gear stage
  • the undrilled ends of the binding wire 2 which are still present are closely applied to the twist by the pressure sleeve 15.
  • the pressure lever 17 is actuated by means of the pressure drive 19 and the pressure sleeve 15 is moved out of the drill head 13 via the bayonet lock 18 and the pressure bolt 16 in the twist shaft 8.
  • the wire ends are gripped by the pressure sleeve 15 and put over the twist.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)

Abstract

L'invention concerne un procédé et un dispositif pour torsader des fils d'attache avec une tête à torsader axialement mobile sur une machine à attacher des paquets avec des fils métalliques d'attache. L'objet de l'invention est aussi d'obtenir un fil court étroitement torsadé de manière constante sur toute sa longueur sans qu'il soit nécessaire de rajuster les paramètres de la machine, même lorsque la forme du paquet change souvent. A cet effet, la tête à torsader (13) est amenée à une position de départ par rapport au paquet (1) qui est toujours la même indépendamment de la forme du paquet (1), et se déplace en sens axial, effectuant un nombre prédéterminé de révolutions afin de torsader les sections terminales croisées du fil d'attache (2). L'extrémité en avant du fil d'attache (2) est ensuite relâchée, l'extrémité en arrière est séparée du fil d'attache (1) en mouvement continu, les sections terminales libres sont elles aussi torsadées, et finalement la tête à torsader (13) est axialement déplacée en sens inverse jusqu'à sa position de départ par rapport au paquet (1). Les extrémités non torsadées du fil d'attache (2) sont ensuite pressées par un élément de compression dans la direction du paquet (1), de façon à s'appuyer latéralement sur la section torsadée du fil d'attache.
PCT/DE1995/001165 1994-09-15 1995-08-17 Procede et dispositif pour torsader des fils d'attache WO1996008414A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19944434377 DE4434377A1 (de) 1994-09-15 1994-09-15 Verfahren und Vorrichtung zum Verdrillen von Bindedraht
DEP4434377.9 1994-09-15

Publications (1)

Publication Number Publication Date
WO1996008414A1 true WO1996008414A1 (fr) 1996-03-21

Family

ID=6529228

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE1995/001165 WO1996008414A1 (fr) 1994-09-15 1995-08-17 Procede et dispositif pour torsader des fils d'attache

Country Status (2)

Country Link
DE (1) DE4434377A1 (fr)
WO (1) WO1996008414A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106586079A (zh) * 2017-02-07 2017-04-26 安徽燊泰智能设备有限公司 棒材打捆机双道过渡导卫及压结装置
US20210245229A1 (en) * 2020-02-10 2021-08-12 Max Co., Ltd. Binding machine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD248024A (fr) *
DE950117C (de) * 1953-02-27 1956-10-04 Schloemann Ag Vorrichtung zum Zusammenbinden von Staeben od. dgl. zu Buendeln mittels Bindedraht
DD125118A1 (fr) * 1976-05-07 1977-04-06

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD248024A (fr) *
DE950117C (de) * 1953-02-27 1956-10-04 Schloemann Ag Vorrichtung zum Zusammenbinden von Staeben od. dgl. zu Buendeln mittels Bindedraht
DD125118A1 (fr) * 1976-05-07 1977-04-06

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106586079A (zh) * 2017-02-07 2017-04-26 安徽燊泰智能设备有限公司 棒材打捆机双道过渡导卫及压结装置
CN106586079B (zh) * 2017-02-07 2024-03-22 安徽燊泰智能设备有限公司 棒材打捆机双道过渡导卫及压结装置
US20210245229A1 (en) * 2020-02-10 2021-08-12 Max Co., Ltd. Binding machine
US11850653B2 (en) * 2020-02-10 2023-12-26 Max Co., Ltd. Binding machine

Also Published As

Publication number Publication date
DE4434377A1 (de) 1996-03-21

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