EP0074985B1 - Drillwerkzeug für metallischen bindedraht - Google Patents

Drillwerkzeug für metallischen bindedraht Download PDF

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Publication number
EP0074985B1
EP0074985B1 EP82900962A EP82900962A EP0074985B1 EP 0074985 B1 EP0074985 B1 EP 0074985B1 EP 82900962 A EP82900962 A EP 82900962A EP 82900962 A EP82900962 A EP 82900962A EP 0074985 B1 EP0074985 B1 EP 0074985B1
Authority
EP
European Patent Office
Prior art keywords
wire
head
wireguide
twist
passage
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
Application number
EP82900962A
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English (en)
French (fr)
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EP0074985A1 (de
Inventor
René GRENON
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Individual
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Individual
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 Individual filed Critical Individual
Publication of EP0074985A1 publication Critical patent/EP0074985A1/de
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Publication of EP0074985B1 publication Critical patent/EP0074985B1/de
Expired legal-status Critical Current

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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
    • 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 device for twisting the two end parts of a metal wire used as a ligating means.
  • these devices include clamps for holding the ends of the tying thread which are placed beyond the twist relative to the linked object so that the execution of the twist often leads to an elongation of this wire, elongation which can be excessive, which can cause necking and further decrease the resistance.
  • the tying yarn used necessarily has a length greater than the value strictly necessary to perform the twist itself.
  • a device for twisting the two end parts of a wire serving as a link around an object comprising a grooved wire guide with a fixed part containing a rotary twisting head having two opposite inclined passages starting from the lateral face of this head in extension of the groove in a position for stopping said head
  • two opposite clamps are arranged to immobilize respectively the end parts of the wire in the wire guide near the head and the latter has a hollow central clearance open towards the inside of the wire guide, into which the opposite inclined passages open, this central clearance having an interior configuration suitable for the twist to be produced.
  • a stopper is arranged opposite the external orifice of a passage and a shearing means is arranged symmetrically in correspondence with the external orifice of the opposite passage.
  • the length of the passages is determined so that the wire is sheared to the exact length necessary for making the twist.
  • the shearing means is constituted by a fixed part of the wire guide in which a wire guide channel is drilled in extension of the corresponding passage and each clamp respectively comprises on the one hand the part fixed wire guide, on the other hand a movable jaw adapted to immobilize the wire in the groove of the wire guide.
  • the hollow central clearance is terminated by a transverse flat bottom to a depth equal to the length of the desired twist and it is cylindrical with a diameter equal to that of the completed twist;
  • the inclined passages are widened in the direction of the wire guide before reaching the central clearance by internal clearances which allow the end portions of the wire to be put in a transverse plane when they are applied against the transverse flat bottom;
  • the central clearance is enlarged on the side of each passage in a direction opposite to the direction of rotation of the head by a lateral clearance whose bottom starts from the level of the transverse flat bottom and rises in the direction of the thread guide. so as to push back each free end part of the wire to wind it in the opposite direction.
  • a device comprises a single part of revolution constituted by a twisting head 1, constructed symmetrically, having two inclined cylindrical passages 2 and 3, a central hollow recess 4, a conical outer part 5, two disengages elements 6 and 7 internal to channels 2 and 3, and two clearances 8 and 9 which have raised surfaces 10 and 11 as a background.
  • This twisting head is associated on one side with an external stop 12 situated opposite one of the cylindrical passages 2 and with a fixed shearing means 13 intended to cooperate with the end of the other passage 3.
  • a known thread guide 19 ensures the continuity of a guide circuit around the object to be bound S, while a known external driving member 20 is used to push the binding thread 21 which is sometimes shown, for the sake of clarity. drawing, by a simple mixed line.
  • the front end of the binding wire is at the level of the shears and the object to be tied S is inside the wire guide 19; the twisting head 1 is stopped at a position which ensures the continuity of the guide of the wire through the passage 3, the wire guide 19 and the passage 2.
  • the drive member 20 pushes the binding wire 21 in the passage 3, then in the clamp 17, in the thread guide 19, in the clamp 18 and in the passage 2.
  • the thread stops against the stop 12.
  • the clamp 18 closes and retains the binding wire 21 while the motor member 20 reverses in rotation and clamps the object to be tied S by pulling on the binding wire 21.
  • a further progression of the rotation of the twisting head 1 causes the arrival of the end portions 28 and 29 of the binding wire on the raised surfaces 10 and 11; these end portions are then raised in the direction of the beginning of the twist 27. This results in an inversion of the direction of progression of the twist so that a second layer covers the first winding.
  • the twisting in progress then takes the configuration of FIG. 5.
  • the continuation of the rotation of the twisting head 1 causes the complete winding of the end portions 28 and 29 which come to end against the portions 31 and 32 of the binding wire 21 surrounding the object to be linked S.
  • the completed twist then has the configuration of Figures 6a, 6b, 6c. It has only a slight relief compared to the circled object and it only has rounded surfaces terminated by an extreme flat face.
  • Such a twist combines excellent presentation with good solidity due to its two superimposed windings.
  • the device necessary for its execution comprises only the following three mobile elements: the twisting head 1 and the two clamps 17 and 18.
  • the passages 2 and 3 are inclined symmetrically so as to be substantially in the direction of the wire guide 19.
  • Each passage 2, 3 has an external orifice opening in the lateral face of the head 1.
  • the external orifice of the passage 2 opposite the drive member 20 is very close to the fixed external stop 12 while the external orifice of the passage 3 on the side of the motor member 20 is in the extension of a channel 33 drilled in a fixed part 19B of the wire guide 19 to constitute the shearing means 13.
  • This channel 33 also serves to guide the wire 21 coming from the motor member 20 feeding the wire 21.
  • the latter is sheared, from the start of the rotation of the head 1, as a result of the movement of the passage 3 relative to the channel 33.
  • the passages 2 and 3 have a determined length so that the wire is sheared exactly to the length necessary to achieve the twist visible in Figure 6a. There is no extra length to cut later and the finished twist does not have to be folded.
  • the inclined passages 2, 3 open into a hollow central clearance 4, the bottom 30 of which is flat, that is to say located in a plane perpendicular to the axis of rotation of the head 1.
  • the central clearance 4 is open in the direction of the interior of the wire guide 19, that is to say towards the object S to be tied.
  • the passages 2, 3 are widened, in the direction of the wire guide 19 and of the object S to be linked by the internal clearances 6, 7. These allow the wire to be completely placed in a transverse plane, as soon as it left the inclined parts which made it possible to initiate the twist. This situation is illustrated in Figure 3a.
  • the transverse flat bottom 30 gives the wire the flat end face of the twist, as seen in Figure 4a. It is therefore clear that the depth of the central clearance 4 is equal to the length of the desired twist.
  • the central clearance 4 is enlarged on the side of each passage 2, 3, in a direction opposite to the direction of rotation of the head 1, by lateral clearances 8, 9.
  • the latter In the radial direction, the latter have a length at least equal to that of the free end portions 23, 24 of the wire 21 after they have been laid flat transversely, as explained above and as seen in FIG. 4b.
  • FIG. 8 shows that each lateral clearance 8, 9 has a bottom which leaves from the level of the bottom 30 of the central clearance 4 and which then rises progressively in the direction of the thread guide 19 and of the object S to be tied.
  • Each bottom 10, 11 is raised so as to push the free end portion 28, 29 of the wire in the opposite direction from the first winding.
  • Each end part 28, 29 is pushed back as soon as the wire 21 is completely withdrawn, due to its winding, the internal clearances 6, 7 of the passages 2, 3.
  • FIG. 4b shows the wire just when the lifting is going to take place. produce. Continued rotation causes, as has been said, a final winding in the opposite direction (FIGS. 5a, 5b) until the final configuration of FIGS. 6a to 6c.
  • the central clearance 4 is cylindrical, with a diameter which is equal to that of the completed twist measured on the second inverted winding ( Figures 6b or 6c). Consequently, when the twist is finished, the head 1 could rotate indefinitely, without risk of breaking or even of additional tension of the wire 21.
  • FIG. 1 shows that each clamp 17, 18 comprises a body 34 which constitutes a fixed part 19A, 19B of the wire guide 19 in which a guide groove 35 is hollowed out (FIG. 7).
  • a movable jaw 36 is pivotally mounted about a radial axis 37.
  • Each jaw is shaped to end in a spout 36 'locally constituting a wall of the groove 35 which is open towards the object to be strapped as is known.
  • a spring plunger 38 acting in the opening direction
  • a jack 40 with a push rod 41 acting in the closing direction.
  • On the fixed part of the wire guide 19, each jaw 36 is located as close as possible to the rotating head 1. In the closed position of the jaws 36, the wire 21 is strongly clamped in the groove 35 and immobilized against any slippage, the fixed part of the wire guide serving as the second jaw of the pliers.
  • the movable jaw 36A (FIG. 1) of the clamp 17 has a lateral surface which is arranged very close to the head 1 so that this surface serves as a stop 12 for stopping the wire 21.
  • the existence and location of the clamps 17, 18 is an essential characteristic; thanks to it the twist is made on the free end parts of the wire without variation of the tension of the latter.
  • the twist could be made in any desired manner by means of an appropriate corresponding interior configuration of the central clearance 4 into which the passages 2, 3 open.
  • the configuration described above is preferred because it gives a particularly advantageous twist. It is clear that, from the teaching provided by the invention, the person skilled in the art could easily adapt any other configuration of the interior clearance of the head, without however departing from the scope of the invention, with a view to '' get another type of twist.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Ropes Or Cables (AREA)
  • Wire Processing (AREA)

Claims (9)

1. Vorrichtung zum Verdrillender beiden Endteile (23, 24) eines Drahtes (21), der als Bindemittel um einen Gegenstand (S) herum dient, umfassend eine eine Auskehlung (35) aufweisende Drahtführung (19) mit einem ortsfesten, einen drehbaren Verdrillkopf (1) enthaltenden Teil (19A, 19B), wobei der Verdrillkopf zwei geneigte, gegenüberliegende Durchlässe (2, 3) aufweist, die in einer Ruhestellung des Kopfes (1) von der Seitenfläche dieses Kopfes in Verlängerung der Auskehlung (35) ausgehen, dadurch gekennzeichnet, daß zwei gegenüberliegende klemmen (17, 18) vorgesehen sind, um die jeweiligen Endteile des Drahtes (21) in der Drahtführung (19) in der Nähe des Kopfes (1) festzuhalten, und dieser eine zentrale, hohle Aussparung (4) aufweist, welche zum Innern der Drahtführung (19) hin offen ist und in welche die geneigten, gegenüberliegenden Durchlässe (2, 3) ausmünden, und daß die zentrale Aussparung (4) eine innere Gestaltung hat, die der zu realisierenden Verdrillung entspricht.
2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß gegenüber der äußeren Öffnung des einen Durchlasses (2) ein Anschlag (12) angeordnet und ein Abschermittel (13) symmetrisch in Übereinstimmung mit der äußeren Öffnung des gegenüberliegenden Durchlasses (3) vorgesehen ist.
3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß die Länge der Durchlässe (2, 3) so bestimmt ist, daß der Draht (21) auf genau diejenige Länge abgeschert wird, die für die Herstellung der Verdrillung erforderlich ist.
4. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß das Abschermittel (13) von einem ortsfesten Teil (19A) der Drahtführung (19) gebildet ist, in welchem in Verlängerung des entsprechenden Durchlasses (3) ein Führungskanal (33) für den Draht (21) ausgebohrt ist.
5. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß jede Klemme (17, 18) jeweils einerseits den ortsfesten Teil (19A, 19B) der Drahtführung (19) und andererseits einen beweglichen Backen (36, 36A) umfaßt, welcher in der Lage ist, den Draht (21) in der Auskehlung (35) der Drahtführung (1.9) festzuhalten.
6. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß ein beweglicher Backen (36A) eine seitliche Oberfläche in der Nähe des Kopfes (1) aufweist, welche den Anschlag (12) zum Anhalten des Drahtes (21) bildet.
7. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die zentrale, hohle Aussparung (4) in einem ebenen, transversalen Boden (30) in einer Teife endigt, die gleich der Länge der gewünschten Verdrillung ist, und daß die Aussparung zylindrisch mit einem Durchmesser ist, der gleich demjenigen der fertigen Verdrillung ist.
8. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, daß die geneigten Durchlässe (2, 3) in Richtung der Drahtführung (19), bevor sie die zentrale Aussparung (4) erreichen, durch innere Aussparungen (6, 7) aufgeweitet sind, die es den Endteilen (23, 24) des Drahtes (21) erlauben, sich in eine transversale Ebene zu legen, wenn sie gegen den ebenen, transversalen Boden (30) angelegt werden.
9. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, daß die zentrale Aussparung (4) auf der Seite jedes Durchlasses (2, 3) in einer Richtung, die der Drehrichtung des Kopfes (1) entgegengesetzt ist, durch eine seitliche Aussparung (8, 9) erweitert ist, deren Boden vom Niveau des transversalen, ebenen Bodens (30) ausgeht und sich in Richtung der Drahtführung (19) derart erhöht, daß sie jeden freien Endteil (23, 24) des Drahtes (21) zurückdrückt, um ihn in entgegengesetzter Richtung einzurollen.
EP82900962A 1981-03-26 1982-03-23 Drillwerkzeug für metallischen bindedraht Expired EP0074985B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8106106 1981-03-26
FR8106106A FR2502582A1 (fr) 1981-03-26 1981-03-26 Systeme de torsadage de fils metalliques

Publications (2)

Publication Number Publication Date
EP0074985A1 EP0074985A1 (de) 1983-03-30
EP0074985B1 true EP0074985B1 (de) 1984-08-15

Family

ID=9256679

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82900962A Expired EP0074985B1 (de) 1981-03-26 1982-03-23 Drillwerkzeug für metallischen bindedraht

Country Status (10)

Country Link
US (1) US4508030A (de)
EP (1) EP0074985B1 (de)
JP (1) JPS58500248A (de)
AU (1) AU552426B2 (de)
BR (1) BR8207245A (de)
DE (1) DE3260568D1 (de)
FR (1) FR2502582A1 (de)
IT (1) IT1151528B (de)
SU (1) SU1435148A3 (de)
WO (1) WO1982003368A1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2542721B1 (fr) * 1983-03-16 1985-07-26 Grenon Rene Dispositif de guidage a longueur variable pour fil pousse
JPS62270238A (ja) * 1986-05-17 1987-11-24 Toyota Kihan:Kk 鉄筋結束機
US4827991A (en) * 1986-10-28 1989-05-09 Ben Clements & Sons, Inc. Twist tie feed device
US5027701A (en) * 1989-04-26 1991-07-02 Takigawa Kogyo Co., Ltd. Binding machine
NL9200485A (nl) * 1992-03-16 1993-10-18 Hoogovens Groep Bv Werkwijze en inrichting voor het binden van een bundel.
DK45494A (da) * 1994-04-20 1995-10-21 Rolf James Slater Christensen Bindetang samt fremgangsmåde til anvendelse heraf
US5494372A (en) * 1994-05-03 1996-02-27 Ipc Technologies Inc. Pavement imprinting apparatus and method
AU687229B2 (en) * 1994-06-24 1998-02-19 Talon Industries, Llc Wire tying tool with drive mechanism
EP0768926B1 (de) * 1994-06-24 2003-05-02 Talon Industries, Llc Kabelbindewerkzeug mit antriebsmechanismus
DE69610371T2 (de) * 1995-06-30 2001-01-25 Max Co Ltd Drahtführungsvorrichtung für eine Vorrichtung zum Binden von Armierungseisen und Vorrichtung zum Binden von Armierungseisen
DE60109778T2 (de) * 2000-06-06 2006-01-26 Jbj Mechatronic Aps Verfahren und vorrichtung zum zwirnen und spannen eines drahtes
ES2624236T3 (es) * 2001-07-25 2017-07-13 Max Co., Ltd. Atadora de barras de acero de refuerzo
CA2625483A1 (en) 2005-10-10 2007-04-19 Tymatic Ltd Apparatus for binding objects together
GB0906575D0 (en) 2009-04-16 2009-05-20 Tymatic Ltd Wire binding machines
GB0908106D0 (en) * 2009-05-11 2009-06-24 Tymatic Ltd Machine for binding reinforcement bars
WO2012030597A1 (en) 2010-09-02 2012-03-08 Kodi Jon R Wire twisting tools and methods of twisting wire
DE102012216831A1 (de) * 2012-09-19 2014-03-20 Wobben Properties Gmbh Vorrichtung und Verfahren zum automatischen Verdrillen von Metalldrähten, insbesondere zum Verbinden benachbarter, vorzugsweise sich überkreuzender Strukturelemente
CN102887238A (zh) * 2012-10-17 2013-01-23 北京中冶设备研究设计总院有限公司 一种型钢捆扎机及捆扎方法
JP6398435B2 (ja) * 2014-07-31 2018-10-03 マックス株式会社 鉄筋結束機
NZ748611A (en) 2014-07-31 2020-04-24 Max Co Ltd Reinforcing bar binding machine
SE539617C2 (sv) * 2016-02-12 2017-10-17 Construction Tools Pc Ab Knutplatta för en najningsmaskin och en najningsmaskin innefattande knutplattan
JP6696540B2 (ja) * 2018-09-05 2020-05-20 マックス株式会社 鉄筋結束機

Family Cites Families (10)

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Publication number Priority date Publication date Assignee Title
DE470138C (de) * 1926-10-12 1929-01-09 Wilhelm Wanger Vorrichtung zum Buendeln von Walzstaeben
US2346209A (en) * 1941-10-16 1944-04-11 Wald William E De Button and fastening unit
SE321890B (de) * 1965-11-26 1970-03-16 Sundsvalls Verkstaeder Ab
FR1553076A (de) * 1967-11-29 1969-01-10
FR1576602A (de) * 1968-06-12 1969-08-01
SE380496B (sv) * 1973-05-10 1975-11-10 Sunds Ab Bindningsmaskin
JPS579332Y2 (de) * 1976-09-21 1982-02-23
JPS5538805U (de) * 1978-09-07 1980-03-12
US4252157A (en) * 1979-01-09 1981-02-24 Takigawa Kogyo Co., Ltd. Automatic bundling apparatus
FR2429150A1 (fr) * 1979-02-22 1980-01-18 Mecanarbed Sa Machine pour lier les bobines de fil metallique

Also Published As

Publication number Publication date
AU552426B2 (en) 1986-05-29
DE3260568D1 (en) 1984-09-20
BR8207245A (pt) 1983-03-01
IT1151528B (it) 1986-12-24
US4508030A (en) 1985-04-02
EP0074985A1 (de) 1983-03-30
JPS58500248A (ja) 1983-02-17
AU8272482A (en) 1982-10-19
JPH0132085B2 (de) 1989-06-29
IT8220435A0 (it) 1982-03-26
WO1982003368A1 (en) 1982-10-14
SU1435148A3 (ru) 1988-10-30
FR2502582A1 (fr) 1982-10-01

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