EP1847337B1 - Système d'entraînement d'un rotor d'une machine à dresser pour le dressage des fils métalliques - Google Patents

Système d'entraînement d'un rotor d'une machine à dresser pour le dressage des fils métalliques Download PDF

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Publication number
EP1847337B1
EP1847337B1 EP06008192A EP06008192A EP1847337B1 EP 1847337 B1 EP1847337 B1 EP 1847337B1 EP 06008192 A EP06008192 A EP 06008192A EP 06008192 A EP06008192 A EP 06008192A EP 1847337 B1 EP1847337 B1 EP 1847337B1
Authority
EP
European Patent Office
Prior art keywords
straightening
rotor
shaft
driving
drive
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.)
Not-in-force
Application number
EP06008192A
Other languages
German (de)
English (en)
Other versions
EP1847337A1 (fr
Inventor
Helmut Lengerer
Eugen Henselmann
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.)
Wafios AG
Original Assignee
Wafios AG
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 Wafios AG filed Critical Wafios AG
Priority to DE502006001133T priority Critical patent/DE502006001133D1/de
Priority to AT06008192T priority patent/ATE401150T1/de
Priority to EP06008192A priority patent/EP1847337B1/fr
Publication of EP1847337A1 publication Critical patent/EP1847337A1/fr
Application granted granted Critical
Publication of EP1847337B1 publication Critical patent/EP1847337B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F1/00—Bending wire other than coiling; Straightening wire
    • B21F1/02—Straightening
    • B21F1/023—Straightening in a device rotating about the wire axis

Definitions

  • the invention relates to a drive arrangement for a mounted in a housing straightening rotor straightening machine for straightening wire, wherein the straightening rotor is rotatably driven by a drive means at high speed about its longitudinal axis and inlet and outlet side mounted in the housing and the outlet side has a stub shaft, which projects beyond the local bearing and is driven by a hollow shaft electric motor with an internal drive rotor seated on it.
  • the supplied wire withdrawn from the coil is continuously conveyed through a straightening rotor which rotates about its longitudinal axis at a very high speed and which is provided with radially offset straightening jaws. During the pass, the wire is bent in all directions, to then obtain a straight wire rod without residual stresses.
  • the straightening rotor is usually driven by means of a drive located in the machine housing via a belt drive, with very high speeds (up in the range of about 9 000 - 10 000 U / min.) Should be achieved.
  • Such drives are z. B. from the EP-A1-0 620 058 , of the EP-B1-0313769 , of the UK B1-711991 or the DE-A1-10 2005 010 632 known.
  • the invention is intended to remedy the situation while still allowing a space-saving arrangement of the drive for the straightening rotor a problem-free, cost-effective and also quickly feasible replacement of the outlet side bearing of the straightening rotor.
  • the invention provides a solution is first created in which the drive rotor of the hollow shaft electric motor occurring very large torques (in the order of about 35 Nm) at very high speeds (up to over 10,000 rev / min.) As a result of shrinking on a Drive sleeve can safely transmit to this, without causing the risk of detachment of rotor windings occurs at these high speeds.
  • the inventive measures is in a simple, but very effective way previously in the known, shrunk onto the stub shaft drive rotor of the electric motor existing problem of inaccessibility of the outlet side of the camp Straightening rotor solved and thus easy replacement of this camp, when required, while maintaining only a very small footprint for the drive device allows.
  • An advantageous embodiment of the invention consists in the fact that the drive sleeve on the stub shaft of the straightening rotor by means of a radially effective clamping device rotatably connected thereto, which is particularly preferably used as a clamping device a double-disc clamping set, ie a clamping set with two mutually braced ring clamping elements.
  • a clamping device a double-disc clamping set, ie a clamping set with two mutually braced ring clamping elements.
  • the clamping set can be provided both at the front (ie at the drive sleeve on the motor input side) or at the rear (at the drive sleeve on the motor output side) or also at the front as well as at the rear (ie in the form of two such clamping sets).
  • the use of a double-cone clamping set over which very considerable radial clamping forces can be applied without difficulty is particularly advantageous.
  • the drive sleeve can be made of any suitable material, but is preferably made of steel. Also in the ring tension elements of such a double-disc clamping set are preferably steel discs.
  • a further preferred embodiment of the invention is also the fact that the drive sleeve is axially clamped against a suitably arranged on the stub shaft of the straightening rotor shaft shoulder, such as by means of a stub axially aufschraubbaren stub nut, more preferably between the drive sleeve and stub shaft a feather key to ensure the torsional strength is interposed.
  • the drive sleeve on the stub shaft of the straightening rotor can be releasably braced in any other suitable manner, such as by using suitable clamping wedges o. ⁇ .
  • any suitable for the required large torques and very high speeds electric motor can be used.
  • a synchronous motor or an asynchronous motor is provided as a hollow shaft electric motor.
  • Fig. 1 is shown in an oblique view from the front above a straightening machine 10 with unfolded cover 12. The latter is attached to a machine frame 14 hinged.
  • the straightening machine 10 serves to straighten a wire 16 fed in the direction Z and has a plurality of draw-in modules 18, two of which (seen in the wire conveying direction Z) are mounted in front of and one behind a straightening unit 20 in the illustrated embodiment.
  • the straightening unit 20 has a housing 22 in which a straightening rotor 24 rotating at high speed is mounted, which in turn is driven via a hollow-shaft electric motor 26 in the form of a synchronous motor.
  • the hollow shaft electric motor 26 is mounted concentrically to the longitudinal axis of the straightening rotor 24, (viewed in the wire conveying direction Z) directly behind a rear side wall 28 of the housing 22, in the output side (not shown in detail in the figures) bearing for the Straightening rotor 24 is arranged, which is also mounted on the input side in a local side wall 30 of the housing 22 by means of a (not shown in detail) bearing.
  • straightening rotor 24 itself can be provided with several, at a distance one behind the other in its longitudinal direction, radially offset and radially adjustable straightening jaws provided against the longitudinal axis is not intended here Be discussed in more detail, because it may be any suitable and known Richtrotor design, such as such. B. from the EP-B1-0313769 or even the EP-A1-0 620 058 can be taken by way of example.
  • FIG. 3 which shows the outlet-side end of the straightening rotor 24 and, in section, the hollow-shaft electric motor 26 mounted there in a further enlarged, further detailed representation, the attachment of the latter to the straightening unit 20 is shown in detail:
  • the hollow-shaft electric motor 26 comprises a motor housing 32 screwed to the rear sidewall 28 of the straightening rotor housing 22 (seen in the wire conveying direction Z), only one screw fastening point 34 being indicated.
  • a heat sink 36 and a drive stator 38 are mounted rotatably.
  • the cooling body 36 is constantly supplied with a suitable cooling liquid (water), wherein via a (in Fig. 3 not shown) drain a cooling circuit is ensured by the hollow shaft electric motor 26 is constantly cooled and thus overheating of the same can be prevented.
  • a suitable cooling liquid water
  • the drive rotor 42 of the hollow-shaft electric motor 26 is shrunk onto a drive sleeve 44, resulting in an extremely strong and firm connection between the two parts.
  • the hollow shaft electric motor 26 is attached with its shrunk onto the drive sleeve 44 drive rotor 42 for mounting on a stub shaft 46 of the straightening rotor 24.
  • this stub shaft 46 of the straightening rotor 24 is located on the side wall 28 of the Richtrotorgephases 22, which is opposite the straightening rotor 24, and protrudes, so that from there the hollow shaft electric motor 26 can be pushed easily with the drive sleeve 24 for mounting.
  • the double-cone clamping set 50 used consists of two steel disks 52 axially offset at a small distance from one another (cf. Fig. 3 ) on their radially inner end surfaces on their facing sides in the direction of the other Steel disc away each have a decreasing in diameter conical surface 54.
  • these roof-shaped against each other employed conical surfaces 54 they run axially against a complementary to the conical surfaces 54 conical outer surface of a between the steel discs 52 and the drive sleeve 44 intermediate clamping ring 56.
  • the two steel discs 52 by corresponding clamping means 58 (in Fig.
  • the hollow shaft electric motor 26 is closed by means of the rotor cover 48 with a flange and a clamping ring 62 to the outside.
  • an outlet bushing 64 is still provided for wire guide.
  • the wire 16 is withdrawn from the feed module 18 from a coil (not shown) and fed to the straightening unit 20.
  • the wire 16 is conveyed through the rotating straightening rotor 24, thereby bent in all directions and thus straightened.
  • the wire 16 passes through the coaxially mounted hollow-shaft electric motor 26, wherein after this once again provided feed module 18 has the function to pull the wire 16 from the straightening rotor 24.
  • the wire 16 may be further processed or further transported in a suitable manner.

Claims (7)

  1. Dispositif d'entraînement pour un rotor de dressage (24) logé dans un boîtier (22) d'une machine de dressage (10) pour le dressage de fil (16), dans lequel le rotor de dressage (24) peut être entraîné en rotation autour de son axe longitudinal par un dispositif d'entraînement (26) à vitesse de rotation élevée et est logé dans le boîtier (22) du côté entrée et du côté sortie et comporte du côté sortie un bout d'arbre (46) qui fait saillie au-dessus du palier du côté sortie et qui peut être entraîné par un moteur électrique à arbre creux (26) posé sur lui avec un rotor d'entraînement (42) monté à l'intérieur, caractérisé en ce que le rotor d'entraînement (42) du moteur électrique à arbre creux (26) est emmanché par frettage sur un manchon d'entraînement (44) qui peut être fixé sur le bout d'arbre (46) du rotor de dressage (24) de manière mobile et coulissante tout en résistant à la rotation.
  2. Dispositif d'entraînement selon la revendication 1, caractérisé en ce que le manchon d'entraînement (44) sur le bout d'arbre (46) du rotor de dressage (24) est raccordé à celui-ci de manière à résister à la rotation à l'aide d'un dispositif de serrage (50) agissant dans le sens radial.
  3. Dispositif d'entraînement selon la revendication 2, caractérisé en ce que le dispositif de serrage (50) agissant dans le sens radial est constitué d'un train de serrage à double disque (52, 56).
  4. Dispositif d'entraînement selon la revendication 3, caractérisé en ce que le train de serrage à double disque est un train de serrage à double cône (52, 56).
  5. Dispositif d'entraînement selon la revendication 1, caractérisé en ce que le manchon d'entraînement (44) est serré axialement de manière à résister à la rotation contre un épaulement d'arbre du bout d'arbre (46).
  6. Dispositif d'entraînement selon l'une quelconque des revendications 1 à 5, caractérisé en ce qu'un ressort d'ajustage est intercalé entre le manchon d'entraînement (44) et le bout d'arbre (46).
  7. Dispositif d'entraînement selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le moteur électrique à arbre creux (26) est un moteur synchrone.
EP06008192A 2006-04-20 2006-04-20 Système d'entraînement d'un rotor d'une machine à dresser pour le dressage des fils métalliques Not-in-force EP1847337B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE502006001133T DE502006001133D1 (de) 2006-04-20 2006-04-20 Antriebsanordnung für einen in einem Gehäuse gelagerten Richtrotor einer Richtmaschine zum Geraderichten von Draht
AT06008192T ATE401150T1 (de) 2006-04-20 2006-04-20 Antriebsanordnung für einen in einem gehäuse gelagerten richtrotor einer richtmaschine zum geraderichten von draht
EP06008192A EP1847337B1 (fr) 2006-04-20 2006-04-20 Système d'entraînement d'un rotor d'une machine à dresser pour le dressage des fils métalliques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06008192A EP1847337B1 (fr) 2006-04-20 2006-04-20 Système d'entraînement d'un rotor d'une machine à dresser pour le dressage des fils métalliques

Publications (2)

Publication Number Publication Date
EP1847337A1 EP1847337A1 (fr) 2007-10-24
EP1847337B1 true EP1847337B1 (fr) 2008-07-16

Family

ID=36968949

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06008192A Not-in-force EP1847337B1 (fr) 2006-04-20 2006-04-20 Système d'entraînement d'un rotor d'une machine à dresser pour le dressage des fils métalliques

Country Status (3)

Country Link
EP (1) EP1847337B1 (fr)
AT (1) ATE401150T1 (fr)
DE (1) DE502006001133D1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20080634A1 (it) * 2008-10-15 2010-04-16 Schnell Spa Apparecchiatura per raddrizzare profilati metallici e simili
CN108907033A (zh) * 2018-08-28 2018-11-30 德州市八骏焊割设备附件有限公司 高速低噪钢丝扭断机

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3264855A (en) * 1963-09-17 1966-08-09 Air Reduction Demountable hollow armature wire straightener
US3543810A (en) * 1968-06-12 1970-12-01 Union Carbide Corp Rotary wire welding straightener

Also Published As

Publication number Publication date
ATE401150T1 (de) 2008-08-15
DE502006001133D1 (de) 2008-08-28
EP1847337A1 (fr) 2007-10-24

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