EP0757143B1 - Transportable device to bind together reinforcing steel - Google Patents
Transportable device to bind together reinforcing steel Download PDFInfo
- Publication number
- EP0757143B1 EP0757143B1 EP96111167A EP96111167A EP0757143B1 EP 0757143 B1 EP0757143 B1 EP 0757143B1 EP 96111167 A EP96111167 A EP 96111167A EP 96111167 A EP96111167 A EP 96111167A EP 0757143 B1 EP0757143 B1 EP 0757143B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- jacket
- movable
- wire
- cylinder
- guide groove
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
- E04G21/122—Machines for joining reinforcing bars
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
- E04G21/122—Machines for joining reinforcing bars
- E04G21/123—Wire twisting tools
Definitions
- the invention relates to a portable device for connecting reinforcing bars for use on construction sites.
- Reinforcing bars also called reinforcing bars
- Various tools and devices for connecting and fixing the reinforcing bars are already known from the prior art. Common to all is the use of annealed steel wire and the arrangement of wire magazine, clamping device, cutting and twisting device. From DE-OS 36 03 752 a transportable device for connecting reinforcing bars is known, which describes the combination of a steel wire delivery mechanism, a mechanism for steel wire loop formation, the steel wire separation and the steel wire twisting.
- the disclosed device enables a stepwise supply of predetermined lengths of steel wire.
- a disadvantage of this device is that harder steel wire has to be used than has previously been possible with manual operation, since steel wire cannot be transported without deformation in the hardness that has hitherto been customary. But this does not ensure the necessary tight and stable connection of the reinforcing bars by twisting the steel wires with this device.
- the transport mechanism as described in DE-OS 36 03 752, cannot compensate even small irregularities in the steel wire thickness, which occur due to production, and therefore cannot rule out any stagnation during twisting.
- the invention is therefore based on the object of being transportable Device for connecting reinforcing bars using known To develop functional groups that work with soft annealed steel wire and compensates for small differences in steel wire thickness and independently of the skills of a worker of consistently good quality Reinforcing iron connects.
- the wire feed is designed so that soft annealed steel wire in the required length without deformation Loop formation and the twisting process can be supplied.
- the Wire feed has two arranged as inclined rollers and with calibrated rollers driven in the same direction of rotation, using the steel wire Pull the motor support from the magazine and into the guide groove of the Lead loop former.
- the steel wire is used according to the invention in such a strength that a tight and position-fixed connection of the crossing reinforcing bars is guaranteed. Compared to the previous state of the art significant advantage.
- Other parts of the device according to the invention are a separating and twisting device, as well as the control of various functions over the necessary wire length.
- the device according to the invention has two known pliers arms 1, 2, the pliers arm 1, which is designed in the manner of a hook in a known manner and is movable in the longitudinal direction with a slide bearing 4 on the casing 5, and the pliers arm 2 is fixed on the casing 5 is arranged.
- a guide groove 3a or 3b for a steel wire 13 is incorporated in both gun arms.
- a guide block 12 is attached to the inside of the jacket 5 in the region of the slide bearing 4 and connects with its guide groove 3c to the guide groove 3a of the pliers arm 2.
- a separating device 10 is arranged opposite the guide block 12 on the outer surface of the casing 5.
- the cutting device 10 works with a round knife M as a cutting tool, the round knife M pushing into a corresponding free space of the pliers arm 2 during the cutting process and cutting off the steel wire 13 when the opening 8 is reached.
- a cylinder 6 is arranged in the middle of the casing 5 and is movable in the longitudinal direction.
- the cylinder 6 carries pliers 7.
- the pliers 7 can also be designed as a polyp pliers as a variant of the device.
- a wire feed 11 is arranged outside the described device parts and essentially consists of two calibrated rollers 15 driven one behind the other in an inclined roller arrangement and with the same direction of rotation.
- the drive motor for the rollers 15 is not shown.
- the tong arms 1, 2 are opened and the device is positioned over the crossing point of the reinforcing bars.
- a switch (not shown) is triggered, the pliers arm 1 is brought up to the pliers arm 2 and the loop former is closed.
- the guide groove 3c is thus connected "seamlessly" to the guide grooves 3a and 3b and the steel wire 13 is correctly looped around the crossing reinforcing bars.
- the rollers 15 of the wire feed 11 are set in motion and the steel wire 13 is transported through the opening 8 and the guide block 12 into the guide grooves 3c, 3a, 3b until the steel wire 13 crosses its ends to reach the sensor 9.
- Fig. 2 shows this situation.
- the sensor 9 now releases the separating device 10, so that the circular knife M moves forward and the steel wire 13 cuts at the level of the opening 8, as shown in FIG. 3.
- the pliers 7 close and clamp the ends of the steel wire 13.
- the cylinder 6 then pushes over the closed pliers 7 and begins to rotate.
- the rotation of the cylinder 6 takes place with a slight pre-tension, ie the cylinder 6 is pulled backwards during the rotational movement and a correct twisting of the ends of the steel wire 13 is thereby achieved.
- the twist is tight, the rotation of the cylinder 6 is switched off, the tong arms 1, 2 move apart, the device according to the invention is removed from the reinforcing bars, which are now twisted together, and is used again at another location.
- the advancement of the steel wire 13 is guaranteed trouble-free via the wire feed 11 used according to the invention.
- soft, easily deformable steel wire 13 a very close connection and fixation of the crossing point of the reinforcing bars is ensured and the simplified handling is justified compared to the known prior art.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Wire Processing (AREA)
- Basic Packing Technique (AREA)
- Body Structure For Vehicles (AREA)
- Tyre Moulding (AREA)
- Slide Fasteners (AREA)
Abstract
Description
Die Erfindung betrifft eine transportable Vorrichtung zum Verbinden von Bewehrungseisen zur Verwendung auf Baustellen. Bewehrungseisen, auch Moniereisen oder Armierungsstäbe genannt, dienen bei der Herstellung von Stahlbetonbauten als Einlagen. Zum Verbinden und Fixieren der Bewehrungseisen sind aus dem Stand der Technik bereits verschiedene Werkzeuge bzw. Vorrichtungen bekannt. Allen gemeinsam ist die Verwendung von geglühtem Stahldraht und die Anordnung von Drahtmagazin, Klemmeinrichtung, Schneide- und Verdrilleinrichtung. Aus DE-OS 36 03 752 ist eine transportable Vorrichtung zum Verbinden von Bewehrungseisen bekannt, die die Kombination eines Stahldraht-Abgabemechanismus, einen Mechanismus für die Stahldrahtschleifenbildung, die Stahldrahtabtrennung und die Stahldrahtverdrillung beschreibt. Die offenbarte Vorrichtung ermöglicht eine schrittweise Zuführung vorgegebener Stahldrahtlängen. Nachteilig an dieser Vorrichtung ist, daß härterer Stahldraht zum Einsatz kommen muß, als bisher bei manueller Arbeitsweise eingesetzt werden kann, da Stahldraht in bisher üblicher Härte nicht verformungsfrei transportiert werden kann. Aber dadurch kann die erforderlich enge und stabile Verbindung der Bewehrungseisen durch Verdrillung der Stahldrähte mit dieser Vorrichtung nicht gesichert werden. Der Transportmechanismus, wie er in DE-OS 36 03 752 beschrieben ist, kann auch kleine Unregelmäßigkeiten in der Stahldrahtstärke, die produktionsbedingt auftreten, nicht kompensieren und dadurch bedingte Stockungen während des Verdrillens nicht ausschließen.The invention relates to a portable device for connecting reinforcing bars for use on construction sites. Reinforcing bars, also called reinforcing bars, are used as inserts in the manufacture of reinforced concrete structures. Various tools and devices for connecting and fixing the reinforcing bars are already known from the prior art. Common to all is the use of annealed steel wire and the arrangement of wire magazine, clamping device, cutting and twisting device. From DE-OS 36 03 752 a transportable device for connecting reinforcing bars is known, which describes the combination of a steel wire delivery mechanism, a mechanism for steel wire loop formation, the steel wire separation and the steel wire twisting. The disclosed device enables a stepwise supply of predetermined lengths of steel wire. A disadvantage of this device is that harder steel wire has to be used than has previously been possible with manual operation, since steel wire cannot be transported without deformation in the hardness that has hitherto been customary. But this does not ensure the necessary tight and stable connection of the reinforcing bars by twisting the steel wires with this device. The transport mechanism , as described in DE-OS 36 03 752, cannot compensate even small irregularities in the steel wire thickness, which occur due to production, and therefore cannot rule out any stagnation during twisting.
Der Erfindung liegt somit die Aufgabe zugrunde, eine transportable Vorrichtung zum Verbinden von Bewehrungseisen unter Nutzung bekannter Funktionsgruppen zu entwickeln, die mit weichgeglühtem Stahldraht arbeitet und geringe Unterschiede in der Stahldrahtstärke ausgleicht und unabhängig von den Fertigkeiten einer Arbeitskraft mit gleichbleibend guter Qualität die Bewehrungseisen verbindet.The invention is therefore based on the object of being transportable Device for connecting reinforcing bars using known To develop functional groups that work with soft annealed steel wire and compensates for small differences in steel wire thickness and independently of the skills of a worker of consistently good quality Reinforcing iron connects.
Erfindungsgemäß wird die Aufgabe mit den kennzeichnenden Merkmalen des Hauptanspruches gelöst. Dabei ist die Drahtzuführung so ausgebildet, daß weichgeglühter Stahldraht verformungsfrei in der erforderlichen Länge zur Schleifenbildung und dem Verdrillungsprozeß zugeführt werden kann. Die Drahtzuführung hat zwei als Schrägrollen angeordnete und mit gleicher Drehrichtung angetriebene kalibrierte Rollen, die den Stahldraht mit Motorunterstützung vom Magazin abziehen und in die Führungsnut des Schleifenbildners führen. Mit der Anwendung solcher Schrägrollen ist weicher Stahldraht verformungsfrei und sicher transportierbar, wobei während der Vorwärtsbewegung des Stahldrahtes die schräg angeordneten kalibrierten Rollen den Stahldraht an der Oberfläche kalt vergüten, dadurch steuerbar machen und die vorhandenen feinen, aber nachteiligen, Unterschiede in der Stahldrahtstärke ausgleichen. Der Stahldraht wird erfindungsgemäß in solcher Stärke verwendet, daß eine enge und positionsfixierte Verbindung der sich kreuzenden Bewehrungseisen gewährleistet ist. Das ist gegenüber dem bisherigen Stand der Technik ein wesentlicher Vorteil. Weitere Teile der erfindungsgemäßen Vorrichtung sind eine Abtrenn- und Verdrilleinrichtung, sowie die Steuerung der verschiedenen Funktionen über die notwendige Drahtlänge.According to the invention the task with the characteristic features of Main claim solved. The wire feed is designed so that soft annealed steel wire in the required length without deformation Loop formation and the twisting process can be supplied. The Wire feed has two arranged as inclined rollers and with calibrated rollers driven in the same direction of rotation, using the steel wire Pull the motor support from the magazine and into the guide groove of the Lead loop former. With the use of such inclined rollers soft steel wire deformation-free and safely transportable, whereby the diagonally arranged during the forward movement of the steel wire calibrated rolls cold temper the steel wire on the surface make controllable and the existing fine, but disadvantageous, Compensate for differences in steel wire thickness. The steel wire is used according to the invention in such a strength that a tight and position-fixed connection of the crossing reinforcing bars is guaranteed. Compared to the previous state of the art significant advantage. Other parts of the device according to the invention are a separating and twisting device, as well as the control of various functions over the necessary wire length.
Die Erfindung wird nachfolgend anhand der Zeichnungen näher erklärt. Dabei zeigen:
- Fig.1
- Perspektivische Ansicht der Vorrichtung
- Fig.2
- Vorrichtung in Funktion: Stahldraht stößt auf Sensor
- Fig.3
- dto. : Auslösen der Abtrenneinrichtung
- Fig.4
- dto. : Auslösen der Verdrilleinrichtung.
- Fig. 1
- Perspective view of the device
- Fig. 2
- Device in operation: steel wire meets sensor
- Fig. 3
- dto.: triggering the disconnection device
- Fig. 4
- dto.: triggering the twisting device.
Wie aus Fig.1 ersichtlich, weist die erfindungsgemäße Vorrichtung zwei
bekannte Zangenarme 1,2 auf, wobei der Zangenarm 1, in bekannter Weise
hakenförmig ausgebildet und in Längsrichtung beweglich mit einem Gleitlager 4 am
Mantel 5 angeordnet ist und der Zangenarm 2 am Mantel 5 fest angeordnet ist. In
bekannter Weise ist in beiden Zangenarmen eine Führungsnut 3a bzw. 3b für
einen Stahldraht 13 eingearbeitet. Zur besseren Führung des Stahldrahts 13 ist auf
der Innenseite des Mantels 5 im Bereich des Gleitlagers 4 ein Führungsklotz 12,
der mit seiner Führungsnut 3c an der Führungsnut 3a des Zangenarms 2
anschließt, angesetzt. Gegenüber des Führungsklotzes 12 ist an der
Außenfläche des Mantels 5 eine Trenneinrichtung 10 angeordnet. Die Trenneinrichtung
10 arbeitet mit einem Rundmesser M als Schneidewerkzeug, wobei das
Rundmesser M in einen entsprechenden Freiraum des Zangenarmes 2 beim
Trennvorgang hineinstößt und bei Erreichen der Öffnung 8 den Stahldraht 13
abtrennt. In den hinteren Bereich des Mantels 5 ragt ein Sensor 9, der
steuermäßig mit der Trenneinrichtung 10 verbunden ist. Mittig im Mantel 5 ist
ein Zylinder 6 angeordnet, der in Längsrichtung beweglich ist. Der Zylinder 6 trägt
eine Zange 7. Die Zange 7 kann als eine Variante der Vorrichtung auch als
Polypenzange ausgebildet sein. Außerhalb der beschriebenen Vorrichtungsteile
ist eine Drahtzuführung 11 angeordnet, die im wesentlichen aus zwei
hintereinander in Schrägrollenanordnung und mit gleicher Drehrichtung
angetriebenen kalibrierten Rollen 15 besteht. Nicht dargestellt ist der
Antriebsmotor für die Rollen 15. In der Ausgangsposition der Vorrichtung
sind die Zangenarme 1,2 geöffnet und die Vorrichtung wird über der
Kreuzungsstelle der Bewehrungseisen positioniert. Mit der Auslösung eines
nicht dargestelltem Schalters wird der Zangenarm 1 an dem Zangenarm 2 herangeführt
und der Schleifenbildner geschlossen. Damit ist die Führungsnut 3c mit den Führungsnuten 3a und
3b "nahtlos" verbunden und der Stahldraht 13 wird korrekt zur Schleife um die
sich kreuzenden Bewehrungseisen gelegt. Die Rollen 15 der Drahtzuführung
11 werden in Bewegung versetzt und der Stahldraht 13 wird, durch die Öffnung 8
und den Führungsklotz 12 in die Führungsnuten 3c, 3a, 3b, bis der Stahldraht 13 seine
Enden überkreuzend den Sensor 9 erreicht, transportiert. Diese Situation zeigt
Fig.2. Der Sensor 9 lößt nun die Trenneinrichtung 10 aus, so daß sich das
Rundmesser M nach vorn bewegt und der Stahldraht 13 in Höhe der Öffnung 8
zerschneidet, wie es Fig. 3 zeigt. Gleichzeitig schließt sich die Zange 7 und
verklemmt die Enden des Stahldrahts 13. Anschließend schiebt sich der Zylinder 6
über die geschlossene Zange 7 und beginnt zu rotieren. Die Rotation des
Zylinders 6 erfolgt unter leichter Vorspannung, d.h. der Zylinder 6 wird während
der Rotationsbewegung nach hinten gezogen und dadurch eine korrekte
Verdrillung der Enden des Stahldrahtes 13 erreicht. Nach erfahrungsgemäß
dichter Verdrillung wird die Rotation des Zylinders 6 abgeschalten, die
Zangenarme 1,2 fahren auseinander, die erfindungsgemäße Vorrichtung wird
von den nunmehr miteinander verdrillten Bewehrungseisen entfernt und wird
an einer anderer Stelle erneut eingesetzt.
Der Vorschub des Stahldrahts 13 ist störungsfrei über die erfindungsgemäß
eingesetzte Drahtzuführung 11 gewährleistet. Mit weichem, leicht
verformbarem Stahldraht 13 ist eine sehr enge Verbindung und Fixierung der
Kreuzungsstelle der Bewehrungseisen gesichert und gegenüber dem bekannten
Stand der Technik das vereinfachte Handling begründet.As can be seen from FIG. 1, the device according to the invention has two known
The advancement of the
Claims (4)
- A portable equipment for the connection of reinforcement bars by a loop-former,
consisting of tong arms - one (1) arranged to be movable and one (2) arranged fixed - in which in the closed state a guide groove (3a, 3b) for the wire (13) is arranged to be continuous, a twister mechanism (6,7), a separator mechanism (10) which is connected to a sensor (9), and a wire feed mechanism (11),
characterized in thatthe tong arms (1,2) are arranged on a jacket (5) with the one tong arm (1) arranged to be movable via a slide bearing (4) and with the other tong arm (2) fixed to the opposite side of the jacket (5);in the region of the slide bearing (4) on the inside of the jacket (5) a guideblock (12) is arranged, having a guide groove (3c) which adjoins seamlessly a guide groove (3a) arranged in the movable tong arm (1);the separator device (10) is arranged on the fixed tong arm (2) and a round knifeblade (M) in the separator device (10);a cylinder (6) is movable in the jacket (5) in the longitudinal direction, with a tongs (7) arranged in this cylinder (6);the sensor (9) is arranged on the cylinder (6);an opening (8) passing through the fixed tong arm (2) and the jacket (5) is arranged as a connection for the wire feed (11);the wire feed (11) consists of two calibrated rollers (15) which are arranged obliquely one behind the other and driven in the same direction of rotation; andall of the aforesaid devices and parts of the equipment as well as a wire magazine (14) are arranged in one housing. - An equipment as in Claim 1, characterized in that the round knifeblade (M) is arranged to be able to shift longitudinally.
- An equipment as in Claim 1, characterized in that the tongs (7) is a polypenal tongs.
- A method of connection of reinforcement bars by an equipment as in one of the Claims 1 to 3, characterized in that soft annealed steel wire is fed in, laid round the reinforcement bars in a tight loop and twisted.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19528022 | 1995-07-31 | ||
DE19528022A DE19528022C2 (en) | 1995-07-31 | 1995-07-31 | Transportable device for connecting reinforcing bars |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0757143A1 EP0757143A1 (en) | 1997-02-05 |
EP0757143B1 true EP0757143B1 (en) | 1998-01-14 |
Family
ID=7768272
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96111167A Expired - Lifetime EP0757143B1 (en) | 1995-07-31 | 1996-07-11 | Transportable device to bind together reinforcing steel |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0757143B1 (en) |
AT (1) | ATE162263T1 (en) |
CZ (1) | CZ289540B6 (en) |
DE (1) | DE19528022C2 (en) |
PL (1) | PL182255B1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003010048A1 (en) * | 2001-07-19 | 2003-02-06 | Max Co., Ltd. | Reinforcing steel bar tying machine |
DK1418124T3 (en) * | 2001-07-25 | 2017-08-14 | Max Co Ltd | REINFORCED STEEL BINDING MACHINE. |
CN102720366B (en) | 2005-10-10 | 2016-04-06 | 建筑设备私人有限公司 | For by binding objects to equipment together |
GB0520523D0 (en) * | 2005-10-10 | 2005-11-16 | Tymatic Ltd | Object binding |
TWI516415B (en) * | 2008-12-12 | 2016-01-11 | 美克司股份有限公司 | Reinforcing bar binding machine |
GB0906575D0 (en) | 2009-04-16 | 2009-05-20 | Tymatic Ltd | Wire binding machines |
US10961729B2 (en) | 2015-07-22 | 2021-03-30 | Max Co., Ltd. | Binding machine |
DK3327224T3 (en) | 2015-07-22 | 2021-03-29 | Max Co Ltd | BINDING MACHINE |
IT202000021862A1 (en) * | 2020-09-16 | 2022-03-16 | Schnell Spa | METHOD AND EQUIPMENT FOR BINDING METAL WIRE AND SIMILAR PRODUCTS |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2223099A1 (en) * | 1972-05-12 | 1973-11-22 | Zentro Elek K Gmbh | METHOD AND DEVICES FOR PRODUCING A MECHANICALLY CLOSED CONNECTION OF AT LEAST TWO WIRES AND / OR BARS IN CONTACT AT THE CONNECTION POINT WITH THE AID OF A TYING WIRE |
EP0144404B1 (en) * | 1983-05-30 | 1987-05-06 | RUNKEL, Adolf | Method for connecting two bars which are crossing each other and device for implementing such method |
JPS61191764A (en) * | 1985-02-18 | 1986-08-26 | 湯口 貞雄 | Apparatus for bundling iron bars |
US5431196A (en) * | 1994-01-03 | 1995-07-11 | Belcan Specialty Equipment Engineering Division Of Belcan Engineering Groups, Inc. | Power rebar tying tool |
-
1995
- 1995-07-31 DE DE19528022A patent/DE19528022C2/en not_active Expired - Fee Related
-
1996
- 1996-07-11 AT AT96111167T patent/ATE162263T1/en not_active IP Right Cessation
- 1996-07-11 EP EP96111167A patent/EP0757143B1/en not_active Expired - Lifetime
- 1996-07-17 CZ CZ19962117A patent/CZ289540B6/en not_active IP Right Cessation
- 1996-07-25 PL PL96315411A patent/PL182255B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CZ211796A3 (en) | 1997-03-12 |
PL182255B1 (en) | 2001-11-30 |
PL315411A1 (en) | 1997-02-03 |
EP0757143A1 (en) | 1997-02-05 |
DE19528022A1 (en) | 1997-02-06 |
ATE162263T1 (en) | 1998-01-15 |
CZ289540B6 (en) | 2002-02-13 |
DE19528022C2 (en) | 1999-02-11 |
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