EP0931601A1 - Vorrichtung zur Reinigung von Draht für die Herstellung von gezogenen Metalldrähten - Google Patents

Vorrichtung zur Reinigung von Draht für die Herstellung von gezogenen Metalldrähten Download PDF

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Publication number
EP0931601A1
EP0931601A1 EP98830031A EP98830031A EP0931601A1 EP 0931601 A1 EP0931601 A1 EP 0931601A1 EP 98830031 A EP98830031 A EP 98830031A EP 98830031 A EP98830031 A EP 98830031A EP 0931601 A1 EP0931601 A1 EP 0931601A1
Authority
EP
European Patent Office
Prior art keywords
wire rod
jaws
operating elements
press
respect
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.)
Granted
Application number
EP98830031A
Other languages
English (en)
French (fr)
Other versions
EP0931601B1 (de
Inventor
Giulio Lisciani
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.)
R Lisciani Trafilerie Srl
Original Assignee
R Lisciani Trafilerie Srl
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
Priority to ES98830031T priority Critical patent/ES2185136T3/es
Priority to SI9830315T priority patent/SI0931601T1/xx
Priority to DE69808879T priority patent/DE69808879T2/de
Priority to DK98830031T priority patent/DK0931601T3/da
Priority to EP98830031A priority patent/EP0931601B1/de
Application filed by R Lisciani Trafilerie Srl filed Critical R Lisciani Trafilerie Srl
Priority to PT98830031T priority patent/PT931601E/pt
Priority to AT98830031T priority patent/ATE226489T1/de
Publication of EP0931601A1 publication Critical patent/EP0931601A1/de
Application granted granted Critical
Publication of EP0931601B1 publication Critical patent/EP0931601B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C9/00—Cooling, heating or lubricating drawing material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C43/00—Devices for cleaning metal products combined with or specially adapted for use with machines or apparatus provided for in this subclass
    • B21C43/02—Devices for cleaning metal products combined with or specially adapted for use with machines or apparatus provided for in this subclass combined with or specially adapted for use in connection with drawing or winding machines or apparatus
    • B21C43/04—Devices for de-scaling wire or like flexible work

Definitions

  • the present invention relates to the mechanical cleaning of lengthened semi-finished iron products commonly called wire rods, destined in particular to the production of drawn metal wires.
  • Drawing is a technological process whereby semi-finished products with roughly round cross section are reduced into wires with progressive reductions in cross section effected by moving through a succession of die plates of decreasing diameters.
  • Such a process applied to iron products necessarily requires a preliminary preparation of the semi-finished item which influences very heavily the drawing process itself.
  • the present invention relates specifically to a device for mechanical cleaning of wire rod for the production of drawn metal wires, comprising a press having clamping jaws which support a layer of steel wool, wrapped around the wire rod, pressing it against the wire rod as it advances between the jaws themselves, in such a way as to remove the oxide particles externally coating the underlying metal, holding the steel wool layer to prevent it from being tugged by the wire rod itself; operating elements which support the jaws and which are slidingly guided one with respect to the other transversely to the wire rod; and means for driving the operating elements able to allow to tighten or to move mutually away the jaws with respect to the wire rod.
  • a press having clamping jaws which support a layer of steel wool, wrapped around the wire rod, pressing it against the wire rod as it advances between the jaws themselves, in such a way as to remove the oxide particles externally coating the underlying metal, holding the steel wool layer to prevent it from being tugged by the wire rod itself; operating elements which support the jaws and which are slidingly guided one with respect to the
  • the device recalled above has proven itself to be particularly advantageous thanks to the fact that it combines the advantages of a reduced influence on the natural environment, characteristic of mechanical methods, with numerous other advantages, among them a considerable simplicity of construction, low plant costs, low operating costs, a practically nil ratio of tooling costs per unit of product, a consistent cleaning quality, regardless of the quantity of wire rod being processed.
  • anchoring in addition to being entrusted to the natural microporosities of the metal which characteristically presents a rough, orange peel-like surface, is entrusted to a series of parallel scratches, obtained longitudinally to the wire rod, by the removal of material effected by the steel wool.
  • the object of the present invention therefore is to solve the problems mentioned above. According to the invention this object is attained by a device for mechanical cleaning of the wire rod, of the type indicated in the preamble to claim 1, wherein the jaws which clamp the steel wool on the wire rod rotate around the wire rod which advances between the jaws.
  • Such a characteristic allows to obtain on the outer surface of the wire rod helicoidal grooves which, with the same longitudinal development of the wire rod increase the length of the scratches extending correspondingly the anchoring areas of the lubricant.
  • the device according to the invention through the variation of the rotating speed of the jaws, for the same speed of advance of the wire rod, in the device according to the invention it is possible to increase or decrease, as needed, the pitch of the helicoidal scratches allowing an actual control of the mechanical forming of the anchoring areas of the lubricant.
  • the invention relates to a device 1 for mechanical cleaning of iron wire rod 2, employed in particular for the production of metal wires by means of drawing.
  • the device 1 essentially comprises ( Figures 1, 2 and 3) a press 3 coaxial with, and revolving around, a line of advance 2a along which the wire rod 2 advances with continuous motion, in a way known in the prior art, towards a drawing plant located downstream and not shown since it does not interest the invention.
  • the press 3 is provided with jaws 4a,4b for clamping the wire rod 2 supported by operating elements 6a,6b borne by a cylindrical body 14 internally hollow (see also Figure 4) which is axially crossed by the wire rod 2 and is rotatively mounted on a casing 18 which supports the cylindrical body 14 itself in correspondence with its opposite ends, by means of related rolling supports 19.
  • the operating elements 6a,6b of the press 3 ( Figures 1 and 2) together with the related jaws 4a,4b, are actuated by a plurality of plane metal plates in mutual assembly.
  • the plates individually present essentially rectangular lengthened shape and are provided with a part crossed by an ample polygonal opening 16 which identifies the jaws 4a,4b which, in turn, present closed annular conformation and bear in particular "V" shaped operative surfaces 8a,8b.
  • the plates are housed in the cylindrical body 14 moving through prismatic guides 15 obtained in the cylindrical body 14 itself and oriented radially thereto. They are also set side by side, and are assembled in mutual succession in order to form opposite and monolithic plate packs 11, wherein individual plates are stacked longitudinally to the wire rod 2 and are held together by pairs of cylindrical rods 12 which cross the plates of each pack 11 and which are provided at their ends with arresting bolts 13.
  • each of the packs 11 succeed each other along the direction of advance 2a of the wire rod 2 alternating in an orderly manner with the corresponding plates of the opposite pack 11 in such a way as to make the overall jaws 4a,4b of the press 3 able mutually to penetrate within each other; jaws 4a,4b which by virtue of the "V" conformation of the operative surfaces 8a,8b of the individual plates surround in combination with each other the wire rod 2 for its entire length of crossing of the press 3.
  • the operating elements 6a,6b of the press 3 and of the jaws 4a,4b integral and monolithic therewith are slidingly movable within the guide 15 of the cylindrical body 14 and can slide one with respect to the other in a direction transverse to the line of advance 2a of the wire rod 2, and in the two senses of such transverse direction with opposing motions.
  • the driving means 7 of the operating elements 6a,6b comprise a pulley 19, integral with the cylindrical body 14, and a motor 20 operatively connected by a transmission belt 21 which transmits to the cylindrical body 14 a rotation around the line of advance 2a of the wire rod 2.
  • the operating elements 6a,6b of the press 3 are subjected to centrifugal forces which, directed radially to the cylindrical body 14, tend to move the operating elements 6a,6b away from each other and consequently clamp the jaws 4a,4b against the wire rod 2 interposed thereto (as shown in Figure 3).
  • the operating elements 6a,6b instead remain motionless maintaining the ability to float freely within the guides 15 of the cylindrical body 14.
  • the device 1 also comprises means 10 for synchronising the relative sliding motion of the jaws 4a,4b with respect to the wire rod 2.
  • Such synchronisation means more in particular comprise a wheel 10a externally toothed, supported coaxially and externally to a bush 21 for centring the wire rod 2, and racks 10b,10c which mesh bilaterally with the gear wheel 10a and which, being integral respectively with the jaws 4a,4b of the press 3, allow to move the jaws 4a,4b away or nearer by rigorously identical quantities with respect to the line of advance 2a of the wire rod 2.
  • the operation of the device 1 which can be described with reference to Figure 3, entails placing between the jaws 4a,4b of the press 3 a layer 5 of steel wool which is wrapped manually around the wire rod 2.
  • the motor 20 is started which, through the transmission belt 7 makes the cylindrical body 14 rotate around the line of advance 2a with a pre-set angular velocity.
  • centrifugal forces which place in motion the operating elements 6a,6b which translate in radial direction to the cylindrical body 14 moving away from each other until their slide is stopped by the contact of the jaws 4a,4b with the wire rod 2.
  • the annular conformation of the jaws 4a,4b allows to press the steel wool against the wire rod 2 advancing between the jaws 4a,4b themselves allowing to impart on the wire rod 2 a tangential force suitable for removing the oxide externally coating the underlying metal, and able to retain at the same time the steel wool layer 5 preventing it from being removed from the press 3 as a consequence of the tugging action effected by the wire rod 2.
  • the rotating motion of the press 3 around the line of advance 2a together with the clamping force of the jaws 4a,4b allows the steel wool layer 5 to cut into the surface of the wire rod 2 making helicoidal scratches therein which are more or less inclined with respect to the line of advance 2a depending on the ratio between the speed of advance of the wire rod 2 and the velocity of rotation of the cylindrical body 14 of the press 3.
  • the invention thus fully attains the purposes described above and further presents the possibility of allowing to modulate the control of the density of the scratches to be made on the unit of length of the wire rod 2 simply through the modulation of the velocity of rotation of the press 3. It should also be noted that the device 1 presents high characteristics of intrinsic safety for the operator during the operations for setting the steel wool layer 5. It also has the additional advantage of a certain simplicity of construction which ensures a high operating reliability and low construction and operating costs.
  • the structure of the device 1 into packs 11 of plates lastly allows to construct modular devices 1 wherein simply by varying the number of plates comprising the individual packs 11 it is possible to increase or reduce the mechanical cleaning capacity according to specific needs.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Extraction Processes (AREA)
  • Wire Processing (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Laminated Bodies (AREA)
EP98830031A 1998-01-23 1998-01-23 Vorrichtung zur Reinigung von Draht für die Herstellung von gezogenen Metalldrähten Expired - Lifetime EP0931601B1 (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SI9830315T SI0931601T1 (en) 1998-01-23 1998-01-23 Device for mechanical cleaning of wire rod for the production of drawn metal wires
DE69808879T DE69808879T2 (de) 1998-01-23 1998-01-23 Vorrichtung zur Reinigung von Draht für die Herstellung von gezogenen Metalldrähten
DK98830031T DK0931601T3 (da) 1998-01-23 1998-01-23 Indretning til mekanisk rensning af valsetråd til produktion af trukne metaltråde
EP98830031A EP0931601B1 (de) 1998-01-23 1998-01-23 Vorrichtung zur Reinigung von Draht für die Herstellung von gezogenen Metalldrähten
ES98830031T ES2185136T3 (es) 1998-01-23 1998-01-23 Dispositivo para la limpieza mecanica de alambron para la produccion de alambres metalicos trefilados.
PT98830031T PT931601E (pt) 1998-01-23 1998-01-23 Dispositivo para a limpeza mecanica de fio laminado destinado a producao arames metalicos estirados
AT98830031T ATE226489T1 (de) 1998-01-23 1998-01-23 Vorrichtung zur reinigung von draht für die herstellung von gezogenen metalldrähten

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP98830031A EP0931601B1 (de) 1998-01-23 1998-01-23 Vorrichtung zur Reinigung von Draht für die Herstellung von gezogenen Metalldrähten

Publications (2)

Publication Number Publication Date
EP0931601A1 true EP0931601A1 (de) 1999-07-28
EP0931601B1 EP0931601B1 (de) 2002-10-23

Family

ID=8236523

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98830031A Expired - Lifetime EP0931601B1 (de) 1998-01-23 1998-01-23 Vorrichtung zur Reinigung von Draht für die Herstellung von gezogenen Metalldrähten

Country Status (7)

Country Link
EP (1) EP0931601B1 (de)
AT (1) ATE226489T1 (de)
DE (1) DE69808879T2 (de)
DK (1) DK0931601T3 (de)
ES (1) ES2185136T3 (de)
PT (1) PT931601E (de)
SI (1) SI0931601T1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1110638A2 (de) * 1999-12-23 2001-06-27 R. Lisciani Trafilerie S.r.l. Vorrichtung zur mechanischen Reinigung von Draht für die Herstellung von gezogenen Metalldrähten
EP1502670A1 (de) * 2003-07-29 2005-02-02 MTB Meier Technische Beratungen GmbH Vorrichtung zum Reinigen und Polieren von Drahtoberflächen sowie zur Verbesserung der Drahtqualität für die Weiterverarbeitung
CN102974718A (zh) * 2012-12-06 2013-03-20 江苏永鼎股份有限公司 一种金属加强件表面高效处理装置
FR3057473A1 (fr) * 2016-10-18 2018-04-20 Compagnie Generale Des Etablissements Michelin Nettoyage de fils metalliques par systeme centrifuge a lames
WO2020114832A1 (en) 2018-12-03 2020-06-11 Lisciani Technologies S.R.L. Device for mechanical cleaning of wire rods for the production of drawn metallic wires
CN114798806A (zh) * 2022-05-25 2022-07-29 宁波日高金属精线材料有限公司 一种金属线材氧化皮拉拔酸洗工艺

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH251466A (it) * 1946-07-01 1947-10-31 Salvi Carlantonio Macchina per il decapaggio meccanico di laminati e trafilati.
DE912204C (de) * 1948-10-18 1954-05-28 Sarl Soc Metallurg De Gorcy Maschine zur mechanischen Entzunderung von Metalldraehten mit einem Entzunderungskopf und einem Buerstenkopf
US3081524A (en) * 1957-05-17 1963-03-19 Westinghouse Electric Corp Scale breaking apparatus for drawn wire
DE3821362C1 (en) * 1988-06-24 1989-05-03 Benteler Ag, 4790 Paderborn, De Apparatus for smoothing a mandrel bar
EP0630697A2 (de) * 1993-05-21 1994-12-28 R. LISCIANI TRAFILERIE E DIVISIONE DYN AUTOMAZIONE INDUSTRIALE S.n.c. Statische Vorrichtung zur mechanischen Reinigung von Draht in einer Anlage zum Ziehen von Stahldrähten

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH251466A (it) * 1946-07-01 1947-10-31 Salvi Carlantonio Macchina per il decapaggio meccanico di laminati e trafilati.
DE912204C (de) * 1948-10-18 1954-05-28 Sarl Soc Metallurg De Gorcy Maschine zur mechanischen Entzunderung von Metalldraehten mit einem Entzunderungskopf und einem Buerstenkopf
US3081524A (en) * 1957-05-17 1963-03-19 Westinghouse Electric Corp Scale breaking apparatus for drawn wire
DE3821362C1 (en) * 1988-06-24 1989-05-03 Benteler Ag, 4790 Paderborn, De Apparatus for smoothing a mandrel bar
EP0630697A2 (de) * 1993-05-21 1994-12-28 R. LISCIANI TRAFILERIE E DIVISIONE DYN AUTOMAZIONE INDUSTRIALE S.n.c. Statische Vorrichtung zur mechanischen Reinigung von Draht in einer Anlage zum Ziehen von Stahldrähten

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1110638A2 (de) * 1999-12-23 2001-06-27 R. Lisciani Trafilerie S.r.l. Vorrichtung zur mechanischen Reinigung von Draht für die Herstellung von gezogenen Metalldrähten
EP1110638A3 (de) * 1999-12-23 2002-02-06 R. Lisciani Trafilerie S.r.l. Vorrichtung zur mechanischen Reinigung von Draht für die Herstellung von gezogenen Metalldrähten
US6513181B2 (en) 1999-12-23 2003-02-04 R. Lisciani Trafilerie S.R.L. Device for mechanically cleaning wire rod for drawn metal wires
KR100718301B1 (ko) * 1999-12-23 2007-05-15 알.리스시아니 트라필레리에 에스.알.엘. 인발 금속 와이어용 선재(線材)를 기계적으로 세척하기 위한 장치
EP1502670A1 (de) * 2003-07-29 2005-02-02 MTB Meier Technische Beratungen GmbH Vorrichtung zum Reinigen und Polieren von Drahtoberflächen sowie zur Verbesserung der Drahtqualität für die Weiterverarbeitung
CN102974718A (zh) * 2012-12-06 2013-03-20 江苏永鼎股份有限公司 一种金属加强件表面高效处理装置
FR3057473A1 (fr) * 2016-10-18 2018-04-20 Compagnie Generale Des Etablissements Michelin Nettoyage de fils metalliques par systeme centrifuge a lames
WO2018073004A1 (en) * 2016-10-18 2018-04-26 Compagnie Generale Des Etablissements Michelin Cleaning of metal wires by a centrifugal system with blades
WO2020114832A1 (en) 2018-12-03 2020-06-11 Lisciani Technologies S.R.L. Device for mechanical cleaning of wire rods for the production of drawn metallic wires
CN113272080A (zh) * 2018-12-03 2021-08-17 莱斯齐亚尼技术股份责任有限公司 用于生产拉制金属丝的线材的机械清洁的设备
US11638944B2 (en) 2018-12-03 2023-05-02 Lisciani Technologies S.R.L. Device for mechanical cleaning of wire rods for the production of drawn metallic wires
CN113272080B (zh) * 2018-12-03 2023-12-08 莱斯齐亚尼技术股份责任有限公司 用于生产拉制金属丝的线材的机械清洁的设备
CN114798806A (zh) * 2022-05-25 2022-07-29 宁波日高金属精线材料有限公司 一种金属线材氧化皮拉拔酸洗工艺
CN114798806B (zh) * 2022-05-25 2023-01-06 宁波日高金属精线材料有限公司 一种金属线材氧化皮拉拔酸洗工艺

Also Published As

Publication number Publication date
PT931601E (pt) 2003-03-31
ES2185136T3 (es) 2003-04-16
ATE226489T1 (de) 2002-11-15
DE69808879D1 (de) 2002-11-28
DE69808879T2 (de) 2003-06-05
EP0931601B1 (de) 2002-10-23
DK0931601T3 (da) 2003-02-17
SI0931601T1 (en) 2003-04-30

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