EP0924007B1 - Vorrichtung zum Abschneiden von Drahtstücken vorgegebener Länge von einem Draht - Google Patents
Vorrichtung zum Abschneiden von Drahtstücken vorgegebener Länge von einem Draht Download PDFInfo
- Publication number
- EP0924007B1 EP0924007B1 EP98123885A EP98123885A EP0924007B1 EP 0924007 B1 EP0924007 B1 EP 0924007B1 EP 98123885 A EP98123885 A EP 98123885A EP 98123885 A EP98123885 A EP 98123885A EP 0924007 B1 EP0924007 B1 EP 0924007B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wire
- cutting
- drive motor
- blade
- speed
- 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
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F11/00—Cutting wire
Definitions
- the invention relates to a device for cutting of pieces of wire of a predetermined length with a wire the features of the preamble of claim 1.
- Such a device is known from FR-A-1 355 123.
- reinforcement grids are used in the construction sector to a large extent for the production of reinforced concrete structures used. These reinforcement grids are commonly used in so-called lattice welding systems made from individual pieces of steel wire manufactured. For example, in Longitudinal direction of such a grid welding system parallel next to each other a plurality of pieces of wire in cycles the welding system is fed and with transverse to it individually or double-fed cross wire pieces welded.
- the wire used for this purpose is made from wire rod manufactured, the surface of which was previously formed is profiled, these Profilierurigen for better Anchoring the resulting reinforcement mesh in Serve concrete.
- the wire required is usually in upstream independent of the grid welding systems Wire drawing machines formed and in one Cutting device into pieces of wire with the respectively required Cut off length. Beyond that too in many other areas of the wire industry cutting devices used that work on a similar principle, as described for reinforcement grids.
- cutting devices have been used have two counter-rotating knives that are move on circular paths or more complicated path curves.
- the knives are fitted with suitable gears and a motor driven and must be accelerated from standstill in cycles at the time of editing Wire speed adjusted relative speed too to reach.
- For the cut itself must be sufficient in the system large flywheels are used to apply the necessary cutting forces.
- the result relatively high drive powers, either directly or with a constantly running engine with a clutch transferred to the knives, from which then in 1000th of a second range the start and the path-time course acceleration to the cut can be controlled must have cutting tolerances of the order of ⁇ 1 to ensure up to 2 mm.
- the object of the invention is to provide a solution with which the cutting of pieces of wire specified Length of a wire with a much higher wire feed speed possible reliably and with tolerance is.
- the first gear has two toothed belt pulleys, wherein a toothed belt pulley with the output shaft of the knife drive motor is connected and the other toothed belt pulley is designed as a flywheel and with a Knife shaft as well as with the housing as a planetary gear trained superposition gear is connected.
- the movement of the wire in the Cutting plane takes place between two passes of the knife due to the cutting position and is not critical in terms of time.
- the device is because the knife is not every time need to be accelerated again, but continuously circulate, simple in terms of equipment, because of a poor performance Motor can be used (for example up to 10 kW), in addition, the control is simple and the cutting accuracy high because no time-critical triggering of an operation or acceleration must be performed.
- the Length tolerance of the cut wire piece just hangs from synchronous running of the knife speed to the wire speed from. This synchronous run is by a suitable one Easily detect wire speed. It is a pure speed control. With this device can be easily Realize wire feed speeds of 6 m / s and more.
- the cutting knife Cutting knife a certain within the cutting cycle Advance or retard.
- This will be simple Way through the planetary gear designed as a planetary gear achieved that with an additional motor drive is equipped, the required for the cut Flywheel mass in a simple way Synchronous drive of the cutting device is located the masses to be accelerated in the superposition be kept small, so that a high wire feed speed with high cutting accuracy when used relatively underpowered motors can be reached.
- For the intermediate acceleration of the knives is sufficient Period of time during the entire cutting cycle to disposal.
- the lead or lag may be sufficient temporal distance from the cutting time range as pure path or angle control regardless of the time Course.
- a device for cutting off Pieces of wire of a given length of one wire initially point a cutting device generally designated 1 on, the two opposite, roughly in a common Rotating cutting blades arranged in the cutting plane 2, 2a.
- the cutting knife 2 is on one Cutting knife arm 3 attached while the cutting knife 2a is attached to a cutting knife arm 3a.
- the Cutting knife arm 3 is in turn non-rotatable on a shaft 4 attached, while the cutting knife arm 3a rotatably is attached to a shaft 4a.
- Both waves 4, 4a are connected with each other with a 1: 1 ratio, that at the same speed of rotation in opposite Direction. This is on wave 4 or the shaft 4a in engagement with each other standing gear of the same size 5 and 5a arranged.
- the Shaft 4a is with the output shaft of a planetary gear 13 connected.
- the housing of the planetary gear 13 is non-rotatable with a flywheel Toothed belt pulley 6 connected via a toothed belt 7 is connected to a further toothed belt pulley 8, the rotatable with the output shaft of a knife drive motor 9 is connected. So is the output shaft of the Motors 9 set in rotation, so the two Cutting knife 2, 2a in the opposite direction driven and describe the same rotational speed a flight circle with a predetermined scope.
- the cutting device 1 is a not shown Wire feeder continuously on with the reference symbol 10 indicated wire supplied, by means of the cutting device 1 pieces of wire specified Length should be cut off.
- the invention Device for determining the feeding speed of the wire 10 on this device is in the illustrated embodiment of formed a pair of rollers 11 through which the supplied Wire 10 is passed and by means of which Wire feed speed can be determined.
- This Wire feed speed is increased by the pair of rollers 11 electronically or mechanically as a control variable the knife drive motor 9, which then transmits such is controlled that its output rotation speed below Consideration of the gear ratios (pulleys 6, 8) is such that the peripheral speed the knife 2, 2a with the wire feed speed is synchronized, i.e. matches this to a relative movement between the wire to be cut 10 and the cutting blades 2, 2a to avoid.
- the device also points also a device for moving the wire out 10 from the cutting knife level, this facility is in the illustrated embodiment from a transverse to Wire feed direction movable roller pair 12 is formed.
- the device 1 has in addition to the toothed belt drive 6, 7, 8 another superposition gear, which is designated in the drawing with 13 and in the embodiment from the aforementioned planetary gear is formed, on the housing of which the pulley 6 is arranged is.
- the input shaft of the planetary gear 13 is connected to its own motor drive 14. This Servo drive controls the advance and retardation of the knives, as explained below.
- the feeding speed of the wire constantly detected and the motor 9 constantly adjusted to speed fluctuations in the Balancing wire feed so that the peripheral speed the knife 2, 2a the feed speed of the Wire 10 corresponds.
- the knives come with this Speed driven continuously so that the Knife once per revolution in the cutting plane hit and cut the wire 10 if it is in the Cutting plane. It would be with this way of working constantly cut pieces of wire, their length exactly the circumference of the flight circle of the cutting knives 2, 2a equivalent. Because of this scope of the flight circle, for example 750 mm and often longer pieces of wire are desired, it is with the device according to the invention first possible in the simplest way, integer Multiples of this circumference for those to be cut To realize pieces of wire.
- the pair of rollers 12 with which it is possible to feed the To move wire 10 clocked out of the cutting plane. For example, if a piece of wire is to be cut off whose length is twice as long as the flight circle the cutting knife 2, 2a, the pair of rollers 12 controlled so that the wire is outside the cutting plane to be led. Should a piece of wire of length n * circumference of the circle are cut, so after the nth Passage of the knife through the cutting area of the wire pivoted into the cutting plane. At the nth passage of the Knives through the cutting area are then cut. Then the wire is passed through the pair of rollers to the next one Cut out of the cutting plane again.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Wire Processing (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Shearing Machines (AREA)
Description
- Fig. 1
- eine vereinfachte Seitenansicht auf eine Ausführungsbeispiel einer erfindungsgemäßen Schneidvorrichtung zum Abschneiden von Drahtstücken,
- Fig. 2
- eine Seitenansicht auf die Vorrichtung nach Figur 1 und
- Fig. 3
- eine Draufsicht auf die Vorrichtung nach Figur 1.
Claims (2)
- Vorrichtung zum Abschneiden von Drahtstücken vorgegebener Länge von einem Draht, der von einer Drahtvorschubeinrichtung zugeführt wird, mit einer Schneideinrichtung mit wenigstens zwei gegenüberliegenden, etwa in einer gemeinsamen Schneidebene angeordneten gegenläufig drehbaren Schneidmessern, die mit einem Messerantriebsmotor verbunden sind, mit einer Einrichtung (11) zur Ermittlung der Zuführgeschwindigkeit des Drahtes (10), welche mit dem Messerantriebsmotor (9) verbunden ist, der die Schneidmesser (2,2a) kontinuierlich mit zur Zuführgeschwindigkeit synchroner Umfangsgeschwindigkeit antreibt, und mit einer Einrichtung (12) zum Herausbewegen des Drahtes (10) aus der Schneidmesserebene, wobei zwischen dem Messerantriebsmotor (9) und den Schneidmessern (2,2a) ein erstes Getriebe (6,7,8) und ein zweites Überlagerungsgetriebe (13) vorgesehen ist, welches mit einem eigenen Motorantrieb (14) versehen ist, mit dem die Schneidmesser (2,2a) um einen bestimmten Drehwinkel zusätzlich zum Antrieb durch den Messerantriebsmotor (9) verstellbar sind,
dadurch gekennzeichnet, dass das erste Getriebe zwei Zahnriemenscheiben (6,8) aufweist, wobei eine Zahnriemenscheibe (8) mit der Abtriebswelle des Messerantriebsmotors (9) verbunden ist und die andere Zahnriemenscheibe (6) als Schwungmasse ausgebildet ist und mit einer Messerwelle (4a) sowie mit dem Gehäuse des als Planetengetriebe ausgebildeten Überlagerungsgetriebes (13) verbunden ist. - Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet, dass die Einrichtung zum Herausbewegen des Drahtes (10) aus der Schneidmesserebene von einem quer zur Drahtzuführrichtung verfahrbaren Rollenpaar (12) gebildet ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19756665A DE19756665A1 (de) | 1997-12-19 | 1997-12-19 | Verfahren zum Abscheiden von Drahtstücken vorgegebener Länge von einem Draht sowie Vorrichtung zur Durchführung dieses Verfahrens |
DE19756665 | 1997-12-19 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0924007A2 EP0924007A2 (de) | 1999-06-23 |
EP0924007A3 EP0924007A3 (de) | 2000-03-08 |
EP0924007B1 true EP0924007B1 (de) | 2003-06-04 |
Family
ID=7852605
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98123885A Expired - Lifetime EP0924007B1 (de) | 1997-12-19 | 1998-12-16 | Vorrichtung zum Abschneiden von Drahtstücken vorgegebener Länge von einem Draht |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0924007B1 (de) |
AT (1) | ATE242069T1 (de) |
DE (2) | DE19756665A1 (de) |
ES (1) | ES2196472T3 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010011735B3 (de) * | 2010-03-17 | 2011-07-28 | Wafios AG, 72764 | Anordnung zum Ablängen von Nagelrohlingen von einem intermittierend zugeführten Draht |
CN106001323A (zh) * | 2016-05-09 | 2016-10-12 | 禹伟 | 一种自动裁线机压片定位滑块 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107838337A (zh) * | 2017-11-28 | 2018-03-27 | 盐城来拾集装箱有限公司 | 一种建筑用钢筋切断机 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1355123A (fr) * | 1963-03-28 | 1964-03-13 | Morgardshammars Mek Verkst Sa | Procédé et dispositif pour le cisaillage à la volée |
DE1552709A1 (de) * | 1966-03-21 | 1970-02-12 | Wissenschaftlich Tech Zentrum | Fliegende Trommelschere zum Querteilen von laufendem Schneidgut in stufenlos einstellbare Laengen |
DE1989826U (de) * | 1968-04-20 | 1968-07-25 | Albert K G Maschf | Vorrichtung zur herstellung von drahtstaeben in fixen laengen. |
DE2458763C2 (de) * | 1974-12-12 | 1982-03-25 | Schloemann-Siemag AG, 4000 Düsseldorf | Drehzahlregelkreis mit überlagerter Wegregelung für rotierende Scheren oder auf Schlitten geführte Zerteilvorrichtungen im Anlauf- oder Durchlaufbetrieb |
DE4218962A1 (de) * | 1992-06-10 | 1993-12-16 | Klaus Dr Theis | Drahtabschneidvorrichtung |
-
1997
- 1997-12-19 DE DE19756665A patent/DE19756665A1/de not_active Withdrawn
-
1998
- 1998-12-16 EP EP98123885A patent/EP0924007B1/de not_active Expired - Lifetime
- 1998-12-16 DE DE59808614T patent/DE59808614D1/de not_active Expired - Lifetime
- 1998-12-16 ES ES98123885T patent/ES2196472T3/es not_active Expired - Lifetime
- 1998-12-16 AT AT98123885T patent/ATE242069T1/de active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010011735B3 (de) * | 2010-03-17 | 2011-07-28 | Wafios AG, 72764 | Anordnung zum Ablängen von Nagelrohlingen von einem intermittierend zugeführten Draht |
WO2011113455A1 (de) | 2010-03-17 | 2011-09-22 | Wafios Aktiengesellschaft | Anordnung zum ablängen von nagelrohlingen von einem intermittierend zugeführten draht |
CN106001323A (zh) * | 2016-05-09 | 2016-10-12 | 禹伟 | 一种自动裁线机压片定位滑块 |
Also Published As
Publication number | Publication date |
---|---|
EP0924007A2 (de) | 1999-06-23 |
DE59808614D1 (de) | 2003-07-10 |
ES2196472T3 (es) | 2003-12-16 |
EP0924007A3 (de) | 2000-03-08 |
ATE242069T1 (de) | 2003-06-15 |
DE19756665A1 (de) | 1999-07-01 |
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