EP2762246B1 - Dresseuse de fil - Google Patents

Dresseuse de fil Download PDF

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Publication number
EP2762246B1
EP2762246B1 EP13199846.0A EP13199846A EP2762246B1 EP 2762246 B1 EP2762246 B1 EP 2762246B1 EP 13199846 A EP13199846 A EP 13199846A EP 2762246 B1 EP2762246 B1 EP 2762246B1
Authority
EP
European Patent Office
Prior art keywords
straightening
wedge
sleeve
axially
jaws
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.)
Active
Application number
EP13199846.0A
Other languages
German (de)
English (en)
Other versions
EP2762246A2 (fr
EP2762246A3 (fr
Inventor
Eugen Henselmann
Jörg Pfeiffer
Uwe-Peter Weigmann
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
Publication of EP2762246A2 publication Critical patent/EP2762246A2/fr
Publication of EP2762246A3 publication Critical patent/EP2762246A3/fr
Application granted granted Critical
Publication of EP2762246B1 publication Critical patent/EP2762246B1/fr
Active 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 straightening machine for wire, with a rotatable straightening body, sit in the straightening jaws, at least some of which are radially adjustable by means of axially movable wedge surfaces which are in operative engagement with associated control surfaces on the radial outer sides of the straightening jaws or intermediate shim body.
  • a straightening device is used with a housing consisting of two half-shells.
  • the directional wing is rotatably seated within this housing and the radially adjustable directional jaws are radially positioned via corresponding wedge surfaces of axially adjustable wedge elements within the housing.
  • the wedge elements are fastened to the housing via screw connections, an adjustment of the wedge elements in the housing can only take place at a standstill.
  • the housing of this known device can be relatively easily screwed apart so that z. B. a change of straightening jaws is possible.
  • the wire straightening device from the DE 691 00 108 T2 (or the EP 0 473 739 B1 ) is used for the radial adjustment of a straightening jaw in the directional wing, a cylinder-actuated sliding sleeve which presses against a bushing with a wedge, with the interposition of a rotatable roller, which is in operative engagement with the wedge surface of the wedge, the radially outwardly biased by a spring straightening jaws adjusted in its radial position.
  • this known device and the directional wing in turn displaceable in the wire longitudinal direction, wherein the two displacement movements of sliding sleeve and straightening jaws are coupled together via a controller.
  • This known device is very complicated in their overall structure and only consuming mountable or disassembled and also not suitable for the use of multiple radially adjustable straightening jaws within a directional wing.
  • a plurality of axially adjustable straightening modules are used, between each of which radially adjustable straightening jaws are provided.
  • the whole is mounted within a housing, which consists over its length of two standing in rotatable meshing with each other housing sections.
  • the total length of the housing is shortened or extended and the axial displacement movements thereby the distances between the individual directional modules are changed, thereby over at each side mounted wedge surfaces by running onto corresponding inclined surfaces of the straightening jaws latter radially in their Able to be relocated.
  • a two-part directional wing comprising an axially stationary, but rotatably mounted part with wedges and an axially movable part with straightening jaws, which are in operative connection with the wedges comprises.
  • the radial delivery of the straightening jaws takes place by axial displacement of the movable part of the rotary vane, wherein the contact between the inclined surface of a straightening jaw and the associated oblique wedge surface, which takes place only radially on one side of the straightening jaw, is to be ensured by the centrifugal forces occurring during the rotation of the straightening blade.
  • the use of a two-part directional wing is disadvantageous in terms of storage and load due to unfavorable dynamics, with this straightening device and an exchange of straightening jaws is very expensive.
  • the ES 2 346 608 B1 describes a straightening device in which the wedge surfaces are attached to wedge strips, which are inserted into the straightening wing.
  • the individual straightening jaws are each radially biased on one side of the local wedge strip, but not on a wedge surface thereof, by means of a spring on the opposite radial side, where they abut against the other wedge strip against a corresponding wedge surface and their axial displacement be delivered radially.
  • the assembly of the arrangement and the replacement of the straightening jaws is somewhat complicated.
  • the invention aims to provide a straightening machine of the type mentioned above, which allows a cost-effective, robust and uncomplicated way for the adjustment of the straightening jaws during operation as well as a quick and easy replacement of straightening jaws.
  • the invention is based on a new constructive concept of such straightening devices, in which the straightening body is surrounded by a sleeve (with lower part and lid which can be fastened thereto) which is axially displaceable relative to the straightening body.
  • the wedge surfaces are mounted on the lid and the lower part of the sleeve in such a way that they protrude in the assembled state of the straightening machine through corresponding openings in the straightening body of the radially outer sleeve in the interior of the straightening body, where only in the straightening body for the delivery the directional jaws required active engagement between the straightening surfaces and the control surfaces of the straightening jaws (or their shims) takes place.
  • the lid from the lower part are at the same time already led out the wedge surfaces, which are fixed to the lid, from the straightening body, after which the straightening jaws and possible shims (which are used when the radial distance between the straightening jaws and wedge surface is very large, or to Can use directional jaws regardless of the slope of the wedge surfaces) from the recordings of the straightening body in which they sit, easily fall out or can be removed by z.
  • the directional body is rotated by 180 °.
  • the entire arrangement can be designed so that only one or only individual straightening jaws are radially adjustable, while one or more straightening jaws are provided unadjustable and fixed.
  • the overall structure of the straightening machine according to the invention is thus quickly assembled and disassembled, simple in its constructive concept and also relatively inexpensive to produce.
  • the straightening machine according to the invention can also be set without problems during the turning operation, that is to say during operation of the associated wire forming machine. H. the radial infeed of the straightening jaws, be made.
  • the wedge surfaces which are attached to the lower part and the lid, formed on two wedge rails, one of which is attached to the lower part and the other on the lid.
  • control surfaces used for the radial delivery of the directional jaws on the radial outer sides of the straightening jaws or the radial outer side of the shims and these radially downstream shims may be formed in any suitable form. However, they are very particularly preferably designed as inclined surfaces which are complementary to the wedge surfaces and are in operative engagement with these inclined surfaces. This results in a simple and effective control of the delivery movements of the straightening jaws with a comparatively low mechanical complexity.
  • the wedge surfaces (and the associated control surfaces of the straightening jaws) are formed in axially juxtaposed straightening jaws as counteracting inclined surfaces (wedge slopes). This prevents axial migration of the sleeve when pulling the wire, without a larger counter-holding force is needed.
  • a preferred embodiment of the straightening machine according to the invention is also achieved in that the straightening body has at one axial end portion there projecting shaft shoulder on which sits on him axially adjustable or displaceable control to which the associated axial end of the sleeve is suitably connected.
  • This can be in a favorable manner both caused by an operator mechanical adjustment of the relative movement between the sleeve and the directional body for radial delivery of the straightening jaws, but also achieve an automatic axial adjustability between sleeve and straightening body.
  • the control has a displaceably mounted on the shaft shoulder actuating ring, which is connected for axial displacement of the sleeve to an operator from the outside axially pivotable actuating lever, the cuff two each other has radially opposite, axially from her to the actuating ring projecting claws, which in turn engage in a formed in a radial recess of the actuating ring annular groove in which they slide.
  • an axial adjustment movement of the non-rotating actuating ring can be transmitted via the jaws to the sleeve rotating with the guide body.
  • the control is preferably in the form of a pulley, which is screwed onto an external thread attached to the shaft shoulder, but rotatably seated thereon, wherein at the associated axial end of the sleeve two radially opposite claws are fastened, which in an annular groove, positively guided in this slidably engage, which is formed in a radial recess on the side facing the sleeve of the pulley.
  • the position of the sleeve on the straightening body remains unchanged.
  • the rotational speed of the pulley is selected to be larger or smaller than that of the straightening body, whereby the pulley moves axially on the thread of the shaft shoulder and is axially displaced accordingly. This offset movement is transmitted to the cuff via the claws.
  • a straightening machine 1 shown, comprising a rotatable directional wing 2, which has a straightening body 3 and a surrounding cuff 4.
  • the cuff 4 comprises a lower part 5 and a cover 6 which can be fastened on this, like the latter Fig. 1 and in particular the presentation of the Fig. 5 the latter reproduces a leveling machine (in an exploded view) in a disassembled state, which is an embodiment different from that of FIGS Fig. 1 and 2 but identical with respect to the structure of the cuff 4.
  • the lower part 5 is provided with a series of upwardly projecting vertical webs 13, both sides of its longitudinal extent, wherein in the assembled state, the lid 6 is screwed by screws 12 into corresponding screw holes at the upper end of the vertical webs 13 (see. Fig. 1 and 2 ).
  • the directional wing 2 comprises at its (in the figures shown on the right) end portion of a shaft shoulder 8, on which a pulley 7 is mounted to drive the directional wing 2, about one (only in the example of 3 and 4 shown) belt, which is driven by a motor (not shown) from the outside.
  • a further axial shaft shoulder 9 which provided as well as the shaft shoulder 8 with respect to the remaining straightening 2 reduced diameter and on the in the embodiment of the Fig. 1 and 2 an actuating ring 10 is mounted.
  • the actuating ring 10 can be moved axially along the shaft shoulder 9, via an actuating lever 11 to which the actuating ring 10 is attached at two opposite radial locations.
  • the actuating lever 11 can be manually or motorized, z. B. via a driven spindle (not shown in the figures), are operated.
  • the actuating ring 10 On its cuff 4 facing end face, the actuating ring 10 has a radial recess 33, d. H. a recess with an opposite the shaft shoulder 9 enlarged diameter, which extends over a certain axial length in the mounting ring 10 inside.
  • a circumferential annular groove 15 is provided in the actuating ring 10.
  • an axial coupling between the operating ring 10 which is fixed during operation and which is rotatably seated on the shaft shoulder 9 and the collar 4 rotating with the latter can be produced. If now the actuating ring 10 is moved axially on the shaft shoulder 9 via the actuating lever 11, a corresponding axial displacement of the sleeve 4 relative to the straightening body 3 takes place via the claws 14.
  • straightening jaws 23 and 23 ' are arranged, which can be made in one or two parts and partially not radially adjustable (such as those in Fig. 2 , Seen from the left, axially first and last straightening jaw 23), as well as, between them and at an axial distance from each other, straightening jaws 23 ', which are axially fixed within the straightening body 3 in position, but radially deliverable.
  • Some of these radially adjustable straightening jaws 23 ' are provided on their radial outer side with a control surface 21' running obliquely to the longitudinal center line M of the straightening machine 1 (as in the illustration of FIGS Fig. 2 the, seen axially from the left, upper straightening jaw 23 'at the third straightening jaw point).
  • This arrangement is selected when the radial distance of a straightening jaw 23 'from the associated wedge surface 22 is large or when the straightening jaws 23' are to be used independently of the slope of the wedge surfaces 22.
  • Each of these wedge rails 19, 20 is how Fig. 2 shows, provided with a plurality of axially successively arranged wedge surfaces 22, wherein the wedge rail 19 (in Fig. 2 : above) on the cover 6 and the wedge rail 20 (in Fig. 2 : Below) are attached to the lower part 5 of the sleeve 4 via screws 31 and 32, respectively.
  • axially adjacent wedge surfaces 22 of the wedge rails 19, 20 (and correspondingly also the control surfaces 21, 21 'of the radially adjustable straightening jaws 23' and their associated shim 24) provided with oppositely inclined wedge slopes, as the Fig. 2 . 4 and 5 is removable.
  • the assembly consisting of this and, if present, a radially associated shim 24 is mounted and guided within the straightening body 3 so that, although it can be radially delivered, it is axially immutable.
  • the wedge surfaces 22 are attached to both wedge rails 19, 20 within the straightening body 3 so that each position of a straightening jaw 23, 23rd 'is assigned a pair of wedge surfaces 22, one of which is formed on the wedge rail 19 and the other, radially opposite, on the wedge rail 20.
  • the two wedge surfaces 22 of each wedge surface pair are parallel to each other, so that upon an axial displacement of the sleeve 4 with respect to the straightening body 3, the wedge surfaces 22 of each pair of wedge surfaces so on the associated straightening jaw 23 'act, that these of the two at their radially outwardly adjacent wedge surfaces 22nd positively guided radially outwards or inwards.
  • This is a forced operation, in the use of which an axially resilient bias of the straightening jaws 23 'is omitted radially in the outward direction.
  • a leveler 1 differs from that of the Fig. 1 and 2 essentially characterized in that instead of the actuating ring 10 and the actuating lever 11 now a motor driven by a drive belt pulley 18 is provided, which is screwed onto a threaded shaft attached to the shaft 9 9th Again, the pulley 18 is on his Cuff 4 facing end face provided with a radial recess 33, which is a recess having a larger diameter than the diameter of the shaft shoulder 9, which extends axially in the direction of the sleeve 4 away in the pulley 18 by a certain length.
  • a circumferential annular groove 15 is mounted, in the two claws 14 of the directional wing 2 with radially outwardly directed projections slidably engage, inasmuch as here the basic coupling between the straightening 2 and the pulley 18 equal between the straightening the second and the actuating ring 10 in the embodiment of Fig. 1 and 2 is.
  • the axial length of the external thread 17 on the shaft shoulder 9 is designed so that the seated on the thread 17 pulley 18 along this thread 17 can be axially offset by the maximum displacement length between the sleeve 4 and the straightening body 3.
  • an opening 25 is mounted in the directional body 3 at the top thereof, which extends in the longitudinal direction of the straightening body 3 in the central region over a relatively large axial length.
  • a similar longitudinal opening is also mounted on the opposite underside of the straightening body 3, in Fig. 5 but not shown.
  • the axial length of the openings 25 on the top and bottom of the straightening body 3 is designed so that the maximum axial displacement movement between sleeve 4 and straightening body 3 is possible without hindrance.
  • the openings 25 are executed with respect to their axial length a little longer than would be necessary for the execution of the pure axial displacement movement between the sleeve 4 and the control body 3. This is because the wedge rails 19 and 20, like the Fig. 5 shows, at its end facing away from the belt pulley 18 front end portions 26 which project in the assembled state at this end slightly slightly beyond the lower part 5 and the lid 6 and are guided within the axially projecting there end portion 27 of the respective opening 25 slidably.
  • the vertical webs 13, seen in the longitudinal direction of the lower part 5, are mounted on the two longitudinal sides at an axial distance from each other, run when pushing the lower part 5 on the straightening body 3 on both outer sides of the latter, so that they finally in the manner on the straightening body 3, as in the Fig. 1 and 3 is shown. Subsequently, at the top of the vertical webs 13, and that on each of the two sides of the straightening body 3, a retaining strip 28 is screwed, each projecting from the vertical webs 13 from something in the direction of the center of the directional body 3, while in a mounted on top of this elongated recess 29 protrudes, so that thereby form-fitting the lower part 5 is held on the straightening body 3. This prevents that even after removing the lid 6, the lower part 5 and the straightening jaws 23 can slide down uncontrolled from the straightening body 3.
  • the lid 6 is mounted with the wedge rail 19 attached to it on the upper side of the straightening body 3, the wedge surfaces 22 on the wedge rail 19 with the oblique control surfaces 21, 21 'on the radial outer sides of the straightening jaws 23' and shims 24 in Appendix and in operative connection with it.
  • the retaining strips 28 For replacement of the wedge rail 20, the retaining strips 28 must be detached from the vertical webs 13 on the lower part 5 of the sleeve 4, after which the lower part 5 can be removed from the directional body 3. Beforehand, even the claws 14 by loosening the screws 16 (see. Fig. 1 ) separated from the control body 3.
  • the wedge rails 19, 20 and the straightening jaws 23, 23 ' best carried out so that all straightening jaws 23, 23' can be brought together in a radial neutral position in which there is no radial deflection in all straightening jaws 23, 23 'and the is particularly well suited as a "threading position" for the wire.
  • z. B. after a wire coil change the new wire can be easily threaded.
  • the leveler 1 can be used equally together with an automated straightening process, such as such. B. in the DE 10 2011 004 167 A1 is described, wherein a suitable measuring or monitoring device or even a plurality of such devices may be provided which measure the straightness of the directional wire due to predetermined parameters and adjust the straightening pad 2 continuously based on the obtained measurement results.
  • a startup or shutdown operation is possible in which the radial deflection of the straightening jaws 23 'is increased or decreased with increasing or decreasing speed of the straightening blade 2 (corresponding to an increasing or decreasing retraction speed of the wire).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wire Processing (AREA)

Claims (7)

  1. Machine de dressage (1) pour fil, comportant un corps de dressage (3) rotatif, dans lequel sont logées des mâchoires de dressage (23, 23'), parmi lesquelles au moins certaines (23') sont déplaçables radialement au moyen de surfaces de calage (22) mobiles axialement, lesquelles coopèrent avec des surfaces de commande (21, 21') associées sur les faces extérieures radiales des mâchoires de dressage (23') ou des corps de calage (24) intercalés,
    caractérisée en ce que
    le corps de dressage (3) est entouré par une manchette (4), qui enveloppe ledit corps et est mobile axialement par rapport à celui-ci et qui comporte une partie inférieure (5) et un couvercle (6) fermant cette dernière, les surfaces de calage (22) étant réalisées sur la partie inférieure (5) et sur le couvercle (6), s'engageant de manière réglable axialement à travers des ouvertures (25) correspondantes dans ce dernier vers l'intérieur du corps de dressage (3) et à cet emplacement coopèrent avec les surfaces de commande (21, 21') des mâchoires de dressage (23') ou des corps de calage (24) de celles-ci.
  2. Machine de dressage selon la revendication 1, caractérisée en ce que les surfaces de calage (22) sont réalisées sur deux rails de calage (19, 20), dont l'un est fixé à la partie inférieure (5) et dont l'autre est fixé au couvercle (6).
  3. Machine de dressage selon la revendication 1 ou 2, caractérisée en ce que les surfaces de commande (21, 21') sont réalisées sur les faces extérieures radiales des mâchoires de dressage (23') ou des corps de calage (24) intercalés, sous forme de surfaces obliques inclinées, complémentaires des surfaces de calage (22) et coopérant avec celles-ci.
  4. Machine de dressage selon l'une quelconque des revendications 1 à 3, caractérisée en ce que le corps de dressage (3) comporte, au niveau d'une zone d'extrémité axiale, un épaulement (9) qui fait saillie sur celle-ci et sur lequel est disposé un élément de commande (10, 18) mobile axialement, auquel est raccordée l'extrémité axiale associée de la manchette (4).
  5. Machine de dressage selon la revendication 4, caractérisée en ce que l'élément de commande comporte une bague d'actionnement (10), qui est logée de manière mobile sur l'épaulement (9) et qui, pour son réglage axial, est raccordée à un levier d'actionnement (11) apte à pivoter axialement, la manchette (4) comportant deux pattes (14) radialement opposées l'une à l'autre, qui font saillie axialement vers la bague d'actionnement (10) et qui s'engagent dans une rainure annulaire (15), réalisée dans un évidement (33) radial de la bague d'actionnement (10), et sont mobiles dans ladite rainure.
  6. Machine de dressage selon la revendication 4, caractérisée en ce que l'élément de commande est réalisé sous la forme d'une poulie (18), qui est vissée sur un filetage (17), réalisé sur l'épaulement (9), et est apte à tourner sur celui-ci, deux pattes (14) radialement opposées l'une à l'autre étant fixées sur l'extrémité axiale associée de la manchette (4), lesquelles s'engagent de manière mobile dans une rainure annulaire (15), qui est réalisée sur un évidement radial (33) sur la poulie (18), à savoir sur le côté de celle-ci orienté vers la manchette (4).
  7. Machine de dressage selon l'une quelconque des revendications 1 à 6, caractérisée en ce que des mâchoires de dressage (23'), disposées axialement les unes à côté des autres dans le corps de dressage (3), comportent des surfaces de commande (21, 21') disposées en sens opposé.
EP13199846.0A 2013-01-30 2013-12-30 Dresseuse de fil Active EP2762246B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201310201551 DE102013201551B3 (de) 2013-01-30 2013-01-30 Richtmaschine für Draht

Publications (3)

Publication Number Publication Date
EP2762246A2 EP2762246A2 (fr) 2014-08-06
EP2762246A3 EP2762246A3 (fr) 2014-12-24
EP2762246B1 true EP2762246B1 (fr) 2015-11-18

Family

ID=49886788

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13199846.0A Active EP2762246B1 (fr) 2013-01-30 2013-12-30 Dresseuse de fil

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EP (1) EP2762246B1 (fr)
DE (1) DE102013201551B3 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109175148B (zh) * 2018-08-09 2024-07-16 广东新宝精密制造股份有限公司 一种钢丝矫直机构
CN109175149B (zh) * 2018-08-09 2024-08-16 广东新宝精密制造股份有限公司 一种钢丝矫直装置
CN110170597B (zh) * 2019-05-22 2020-09-25 张海燕 一种钢筋加工耐磨调直机
CN114769463A (zh) * 2022-03-09 2022-07-22 攀枝花普锐升金属材料有限公司 一种钛及钛合金丝材的光亮矫直设备
AT527341A1 (de) 2023-07-13 2025-01-15 Rapperstorfer Hubert Richtrotor
CN117428118B (zh) * 2023-11-17 2024-04-12 温州嘉信机械制造有限公司 应用于智能型冷镦机的矫直机构

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR843815A (fr) * 1938-09-22 1939-07-11 Perfectionnements aux machines à redresser les fils métalliques
US2720907A (en) * 1952-08-22 1955-10-18 Abraham Borut Wire straightener
DE1981813U (de) * 1964-01-14 1968-03-28 Heinz Finzer Rotierendes richtwerk fuer drahtricht- und ablaeng- sowie drahtbiegemaschinen.
DE2523831C3 (de) * 1975-05-30 1978-07-27 Louis, Hans, 5650 Solingen Vorrichtung zum Richten von Draht
DE3701088A1 (de) * 1987-01-16 1988-07-28 Baisch Gerhard Dipl Ing Fh Windeeinrichtung fuer federwindemaschinen mit auswechselbaren, voreinstellbaren elementen
DE69100108T2 (de) * 1990-03-26 1993-11-04 Esco Sa Drahtrichtvorrichtung.
FR2659879B1 (fr) * 1990-03-26 1992-07-31 Esco Sa Dispositif de dressage d'un fil metallique.
DE4311566A1 (de) * 1993-04-08 1994-10-13 Peddinghaus Rolf Richtmaschine für Draht
ES2346608B1 (es) * 2007-10-04 2011-08-03 Estrimec, S.L. Maquina enderezadora para alambre.
DE102011004167B4 (de) * 2011-02-15 2015-05-13 Institut Dr. Foerster Gmbh & Co. Kg Verfahren und Vorrichtung zum automatisierten Richten von langgestrecktem Material

Also Published As

Publication number Publication date
DE102013201551B3 (de) 2014-02-27
EP2762246A2 (fr) 2014-08-06
EP2762246A3 (fr) 2014-12-24

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