EP3700692A1 - Presse multi-étage et procédé de fabrication d'un élément obtenu par formage - Google Patents

Presse multi-étage et procédé de fabrication d'un élément obtenu par formage

Info

Publication number
EP3700692A1
EP3700692A1 EP17816709.4A EP17816709A EP3700692A1 EP 3700692 A1 EP3700692 A1 EP 3700692A1 EP 17816709 A EP17816709 A EP 17816709A EP 3700692 A1 EP3700692 A1 EP 3700692A1
Authority
EP
European Patent Office
Prior art keywords
wire
induction coil
section
temperature
stage press
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
EP17816709.4A
Other languages
German (de)
English (en)
Other versions
EP3700692B1 (fr
Inventor
Justus ERHARD
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.)
Nedschroef Herentals NV
Original Assignee
Nedschroef Herentals NV
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 Nedschroef Herentals NV filed Critical Nedschroef Herentals NV
Priority to PL17816709T priority Critical patent/PL3700692T3/pl
Publication of EP3700692A1 publication Critical patent/EP3700692A1/fr
Application granted granted Critical
Publication of EP3700692B1 publication Critical patent/EP3700692B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F5/00—Upsetting wire or pressing operations affecting the wire cross-section
    • B21F5/005—Upsetting wire
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F23/00—Feeding wire in wire-working machines or apparatus
    • B21F23/005—Feeding discrete lengths of wire or rod
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F45/00—Wire-working in the manufacture of other particular articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
    • B21J1/06—Heating or cooling methods or arrangements specially adapted for performing forging or pressing operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J9/00—Forging presses
    • B21J9/02—Special design or construction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J9/00—Forging presses
    • B21J9/02—Special design or construction
    • B21J9/022—Special design or construction multi-stage forging presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/56—Making machine elements screw-threaded elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K27/00—Handling devices, e.g. for feeding, aligning, discharging, Cutting-off means; Arrangement thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K27/00—Handling devices, e.g. for feeding, aligning, discharging, Cutting-off means; Arrangement thereof
    • B21K27/02—Feeding devices for rods, wire, or strips
    • B21K27/04—Feeding devices for rods, wire, or strips allowing successive working steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K27/00—Handling devices, e.g. for feeding, aligning, discharging, Cutting-off means; Arrangement thereof
    • B21K27/06—Cutting-off means; Arrangements thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K29/00—Arrangements for heating or cooling during processing
    • 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 multi-stage press for massive forming a Drah tabitess according to the preamble of claim 1.
  • the invention further relates to a method for producing a Umformteils, in particular a screw, with a multi-stage press according to claim. 7
  • Multi-stage presses for cold forming of wire are in various designs from, for example, EP 0 215 338 A1 known.
  • a directional wire is fed from the coil into the machine, where a defined Drahtab section is cut to length.
  • the wire section is conveyed via a gripper of a transfer device to a first forming step formed of a die and a punch, where it is positioned in a receptacle of the punch. Subsequently, the wire section is pushed over the punch in the die and deformed. After forming, the formed piece of wire is positioned by means of an ejector pin in a further gripper of the transport device and transported via this in each case to the next forming stage.
  • the stamp of the forming tools arranged one behind the other are arranged regularly on a common horizontal cylinder, so that each advance of this cylinder in each of the forming steps, a deformation of a wire section. About the successively arranged forming stages of the wire section is formed to the finished workpiece. In the last forming stage, the finished part is ejected.
  • Common multi-stage presses have six forming stages.
  • the invention aims to remedy this situation.
  • the invention has the object yakrun de to provide a multi-stage press for massive forming a wire section ready, which also allows the production of special screws of the aforementioned type directly from wire coil. According to the invention this object is achieved by a multi-stage press with the features of claim 1 ge.
  • a multi-stage press for massive forming a wire section which also allows the production of special screws of the aforementioned type directly from a wire of heat-resistant nickel alloy.
  • the cutting means are arranged for partial heating of a wire section, heating of a defined end Drahtab is section for the subsequent shaping of the screw head allows, after heating the end wire section of the wire to a ge desired length can be cut to length before being transported via the transfer device to the first deformation stage.
  • Drahtzu leadership, the forming stages (or drive the punch of the forming stages de cylinder) and the cutting device independently controllable are, a timely deformation of an end heated and then cut to length wire section over all forming stages during simultaneous gene heating of the next end portion allows.
  • the means for heating a wire section comprise an induction coil, wherein the wire feed for temporary introduction of a wire section is set up in the induction coil.
  • the setting of a defined temperature of an end Drahtab section is possible.
  • the temperature of the wire section results from the output from the induction coil power and the residence time of the wire section in the induction coil.
  • the wire feed comprises a servo drive for defined forward and backward movement of a wire section.
  • a servo drive for defined forward and backward movement of a wire section.
  • the wire feed can be controlled via a controller connected to it, in which a defined dwell time of a wire section in the induction coil and / or a target temperature can be stored.
  • means for detecting the temperature of a wire located in the induction coil wire section are preferably arranged, which are connected to the Steue tion, wherein in the control a control is integrated, through which in dependence on the temperature of the wire section, the wire feed is controlled.
  • the empirical determination of residence times to achieve desired temperatures is possible, which are deposited in the controller.
  • control with the cutting device is connected and arranged in such a way that, after the end-side partial recovery heating a wire section whose lengthening takes place in a defined length.
  • the length of the respective screws to be produced is individually adjustable.
  • the present invention also has the object of providing a method for producing a special screw of the aforementioned type with a Mehrstu fenpresse directly from the coil.
  • this task is solved by a method having the features of claim 7. Characterized in that first a wire is heated end, then a wire section at a defined distance from the heated end derives lengthen and the thus obtained partially heated wire section via a transfer device is successively supplied to several forming stages, is an individual adjustment of the length of the screw produced allows.
  • the wire is preferably fed coil from a coil via a wire feed induction coil, where it is heated to the end to a defined temperature.
  • the wire is fed via a servo drive in the induction coil, wherein the wire according to the desired Län ge of the end-side area to be heated in the induction coil is reindeer ren and after reaching the desired temperature or for this purpose he required residence time again from the Induction coil is moved out, after which a wire section of desired length is cut to length.
  • the measurement of the temperature of the endsei term range of the wire via a non-contact temperature sensor, in particular a pyrometer or via an infrared measuring device.
  • a non-contact temperature sensor in particular a pyrometer or via an infrared measuring device.
  • the required residence time to achieve the desired temperature within the induction coil can also be determined empirically and stored in a connected to the servo drive control. That way is also conceivable creation of a database with appropriate target temperatures to ordered residence time in the manner of an expert system.
  • Figure 1 is a partial schematic representation of a multi-stage press with an orderly induction coil for end wire heating
  • Figure 2 is a schematic representation of the arrangement of Drahtzuate tion, cutting device and induction coil for producing egg nes end heated wire section within the Mehrstu fenpresse of Figure 1 in the operating states: a) feed of the wire from the coil;
  • the horizontal multi-stage press 1 chosen as an exemplary embodiment is a multistage press in a horizontal design, as used for the production of screws and similar small parts.
  • the construction of such horizontal multi-stage presses is well known to the person skilled in the art and described for example in EP 0 215 338 A1.
  • the forming tools are arranged next to each other.
  • a cross-transfer device brings the workpieces from forming stage to forming stage.
  • these presses work with a transverse transport carriage, which has a number of transfer grippers corresponding to the number of forming steps, which projects between the stamping tools and the dies.
  • a detailed description of such a horizontal multi-stage press is therefore omitted here.
  • the following Description focuses on the essential components of the multi-stage press according to the invention.
  • FIG. 1 shows a detail of a multi-stage press 1 according to the invention. It is the die block 1 1 with individual forming stages 12 ersicht Lich, between which transfer gripper 71 of the cross transfer device 7 are angeord net.
  • a wire feed is arranged, which is formed in the embodiment as a servo drive 2.
  • the Drahtzuker tion 2 takes one of a - unwound coil - unwound wire 8.
  • a separately controllable wire cutter 3 for cutting the wire 8 is arranged before the wire feed 2 a separately controllable wire cutter 3 for cutting the wire 8 is arranged.
  • the transfer gripper 71 of the transfer device 7 are positio ned, which are adapted to cut a cut from the wire cutter 3 Drahtab 81.
  • a Indutation coil 4 is arranged, which is positioned so that a wire of the wire 2 received wire via the servo drive 21 in the induction coil 4 is inserted.
  • the wire feeder 2, the wire cutter 3 and the induction coil 4 are connected to a control and regulating device 6, which in turn is connected to a arranged on the induction coil 4 pyrometer 5 for measuring the temperature of an introduced into the induction coil 4 wire tendabitess 82.
  • control and Regelein device 6 is also connected to the cross transfer device 7 for controlling the transfer gripper 71.
  • the control and regulating device 6 is part of - not shown - overall machine control, via which also the Ansteue tion of - not shown - the individual forming die bearing Stem pelblocks done.
  • the drive of the - not shown - stamp block which receives the individual forming die mechanically ent coupled from the servo drive of the wire feed 2 and also from the drive to the cross transfer device 7 is.
  • he inventive multi-stage press can be used both for conventional production of formed parts by means of continuous cold forming process.
  • the wire 8 is advanced immediately so far that a wire section 81 of the desired length is arranged behind the wire cutter 3, after which this wire section 81 is cut to length.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Wire Processing (AREA)
  • General Induction Heating (AREA)

Abstract

L'invention concerne une presse multi-étage destinée au formage dans la masse d'une section de fil métallique, comprenant une alimentation en fil métallique pourvue d'un dispositif de coupe à longueur implanté ainsi qu'un dispositif de transfert présentant un élément de préhension et destiné à recevoir une section de fil métallique coupée à longueur et à son transfert aux étapes de formage suivantes, des moyens de chauffage partiel d'une section de fil métallique (81) étant disposés sur le côté, opposé à l'alimentation en fil métallique (2), du dispositif de coupe à longueur (3). L'invention concerne également un procédé de fabrication d'un tel élément obtenu par formage au moyen d'une telle presse multi-étage.
EP17816709.4A 2017-12-12 2017-12-12 Presse multi-étape et procédé de fabrication d'un élément obtenu par formage Active EP3700692B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17816709T PL3700692T3 (pl) 2017-12-12 2017-12-12 Prasa wielostopniowa i sposób wytwarzania elementu

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2017/082318 WO2019114929A1 (fr) 2017-12-12 2017-12-12 Presse multi-étage et procédé de fabrication d'un élément obtenu par formage

Publications (2)

Publication Number Publication Date
EP3700692A1 true EP3700692A1 (fr) 2020-09-02
EP3700692B1 EP3700692B1 (fr) 2021-11-10

Family

ID=60702728

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17816709.4A Active EP3700692B1 (fr) 2017-12-12 2017-12-12 Presse multi-étape et procédé de fabrication d'un élément obtenu par formage

Country Status (11)

Country Link
US (1) US11285526B2 (fr)
EP (1) EP3700692B1 (fr)
JP (1) JP7021367B2 (fr)
KR (1) KR102463749B1 (fr)
CN (1) CN111886086B (fr)
BR (1) BR112020011149A2 (fr)
CA (1) CA3084234A1 (fr)
ES (1) ES2903138T3 (fr)
PL (1) PL3700692T3 (fr)
RU (1) RU2741761C1 (fr)
WO (1) WO2019114929A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201900018347A1 (it) * 2019-10-09 2021-04-09 Poggipolini S P A Metodo ed impianto per la fabbricazione veloce di elementi di fissaggio

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2276521A (en) * 1940-04-22 1942-03-17 Harold W Stark Method of forming or working metal elements
GB707092A (en) 1950-09-27 1954-04-14 Johannes Schwarz Methods of manufacturing bolts and the like
CH346749A (de) 1955-06-15 1960-05-31 Holo Krome Screw Corp Verfahren zur Herstellung von mit einem angestauchten Kopf versehenen Stahlgegenständen aus Draht- oder Stabmaterial durch Kaltschmieden unter Verwendung von Stauchgesenken und Vorrichtung zur Durchführung dieses Verfahrens
DE2501506A1 (de) * 1975-01-16 1976-07-22 Peltzer & Ehlers Verfahren zur herstellung von pressteilen aus insbesondere zu einem bund aufgewickeltem drahtmaterial
DE2631989C3 (de) * 1976-07-16 1980-02-21 Aeg-Elotherm Gmbh, 5630 Remscheid Schereinrichtung für stangenförmiges Material aus metallenem Werkstoff
DE3533113A1 (de) 1985-09-17 1987-03-26 Kieserling & Albrecht Quertransporteinrichtung an einer mehrstufenpresse
JPS62259634A (ja) 1986-04-03 1987-11-12 Sakamura Kikai Seisakusho:Kk ホーマにおける熱処理加工装置
JPH02307645A (ja) * 1989-05-23 1990-12-20 Kobe Steel Ltd 高強度ボルトの製造方法
SU1708485A1 (ru) 1989-07-18 1992-01-30 Научно-Производственное Объединение По Кузнечно-Прессовому Оборудованию И Гибким Производственным Системам Для Обработки Давлением "Эникмаш" Способ холодной штамповки заготовок шестигранных гаек
JP2847015B2 (ja) * 1993-06-17 1999-01-13 株式会社音戸工作所 熱間鍛造装置
JP3592761B2 (ja) * 1994-10-13 2004-11-24 旭サナック株式会社 圧造機
WO1997010065A1 (fr) * 1995-09-13 1997-03-20 The Whitaker Corporation Appareil pour preparer une billette de preforme a utiliser dans des operations de fabrication
JPH10216890A (ja) * 1997-01-30 1998-08-18 Minebea Co Ltd ねじ部材の頭部の成形方法
JP3793953B2 (ja) * 1997-03-11 2006-07-05 ミネベア株式会社 鍛造成形装置
JP2003211252A (ja) * 2002-01-22 2003-07-29 Minebea Co Ltd 鍛造成形装置
ITVR20020118A1 (it) 2002-11-12 2004-05-13 Amafa Service S R L Procedimento per l'ottenimento di elementi tubolari metallici.
JP4782987B2 (ja) * 2003-06-19 2011-09-28 住友電気工業株式会社 マグネシウム基合金ねじの製造方法
JP2005193252A (ja) 2003-12-27 2005-07-21 Sakamura Mach Co Ltd 鍛造機
DE102008038185B3 (de) * 2008-08-19 2010-01-28 Sieber Forming Solutions Gmbh Verfahren und Vorrichtung zur Herstellung von Befestigungs- oder Verbindungsmitteln mit radialen Außenkonturen, insbesondere Schrauben oder Gewindebolzen
US9610628B2 (en) * 2009-05-04 2017-04-04 Orametrix, Inc. Apparatus and method for customized shaping of orthodontic archwires and other medical devices
CN201586716U (zh) * 2010-01-05 2010-09-22 丰兴精密产业（惠州）有限公司 皮铜线矫直切断计数机
US9156077B2 (en) * 2012-03-29 2015-10-13 L&P Property Management Company Method of making border wire
CN203245315U (zh) * 2013-04-07 2013-10-23 太原科技大学 一种线材全自动切割设备
FR3028202B1 (fr) 2014-11-06 2017-10-06 Essilor Int Dispositif d'alimentation d'un dispositif de moulage, ligne de moulage et procede de pilotage de la ligne de moulage

Also Published As

Publication number Publication date
PL3700692T3 (pl) 2022-02-07
US11285526B2 (en) 2022-03-29
BR112020011149A2 (pt) 2020-11-17
ES2903138T3 (es) 2022-03-31
CN111886086A (zh) 2020-11-03
WO2019114929A1 (fr) 2019-06-20
US20200298301A1 (en) 2020-09-24
KR20200094151A (ko) 2020-08-06
EP3700692B1 (fr) 2021-11-10
RU2741761C1 (ru) 2021-01-28
JP7021367B2 (ja) 2022-02-16
JP2021505408A (ja) 2021-02-18
KR102463749B1 (ko) 2022-11-03
CN111886086B (zh) 2022-07-29
CA3084234A1 (fr) 2019-06-20

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