EP0949021A2 - Dispositif pour le formage de fil ayant un dispositif de freinage de fil - Google Patents

Dispositif pour le formage de fil ayant un dispositif de freinage de fil Download PDF

Info

Publication number: EP0949021A2
Authority: EP; European Patent Office
Prior art keywords: wire; axis; holder; rotatable; guide
Prior art date: 1998-04-11
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

EP99105833A

Other languages

German (de)

English (en)

Other versions

EP0949021A3 (fr

EP0949021B1 (fr

Inventor

Dietmar Sautter

Andreas Schur

Norbert Speck

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.)

1998-04-11

Filing date

1999-03-23

Publication date

1999-10-13

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7864426&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0949021(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1999-03-23 Application filed by Wafios AG filed Critical Wafios AG

1999-10-13 Publication of EP0949021A2 publication Critical patent/EP0949021A2/fr

2001-01-17 Publication of EP0949021A3 publication Critical patent/EP0949021A3/fr

2001-12-19 Application granted granted Critical

2001-12-19 Publication of EP0949021B1 publication Critical patent/EP0949021B1/fr

2019-03-23 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Images

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
- B21F1/008—Bending wire other than coiling; Straightening wire in 3D with means to rotate the wire about its axis
- 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

Definitions

the invention relates to a device according to the preamble of claim 1.
a wire-forming device WAFIOS-FTU 3
This device has a flange (118) which is fixed to the frame and has an extension arm (140) on which a wire guide insert (136) is mounted in a radially adjustable manner, which has an eccentric wire guide bore (137) and which interacts with a cutting tool (14).
the wire guide (130) ending at the insert (136) always rotates around the wire axis in synchronism with the pairs of feed rollers.
a special feature in the case of DE 197 36 468 A1 is a remotely controlled rotatable wire gripper (64) which is arranged on the rotatable wire guide (70) for the rotationally fixed clamping of the wire, which wire cannot rotate about its axis like clamping feed rollers.
the device according to the invention is characterized by the characterizing features of claims 1 to 4; it is preferably a device according to claim 5. The invention also relates to the method according to claim 6.
the object of the invention is the geometric shape accuracy of the, from DE 42 29 294 C1 known device for forming wire three-dimensional wire structures to improve substantially, and this consistently, and to increase the output of the device, d. H. an increase in quality of finished workpieces, and an increase in performance to achieve in a device for molding three-dimensional workpieces.
this is firstly achieved in that the rotatable on the bearing body Wire feed device of the device for forming wire according to DE 42 29 294 C1 rigid arranged output wire guide device by a known rotatable wire guide device is replaced, and secondly in that the rotating wire guide device with a program-controlled and force-controlled wire "brake” device according to the invention is provided, the servo drive for the shaping process, together with the servo drives of the other device units is controlled by the machine control.
the wire brake device which is program-controlled and force-controlled for each individual working section on a workpiece to be manufactured.
the braking force acting on the wire can be set in a program-controlled manner so that a damping effect occurs during the shaping process, for example when a workpiece part that has already been produced is turned over in the wire forming area.
a holding or stabilizing effect can be achieved during machining operations on the stationary wire, so that the wire, if necessary, cannot twist in the angular position of a section that has already been produced.
the braking force acting on the incoming wire can be predefined by the computer in such a way that, for example during winding, the play between the incoming wire and the wire guide is reduced in such a targeted manner that an exact spring shape and spring pitch is achieved during the winding process, but the wire is still can be fed.
1 and 2 is a rotatable wire feed device (10), a rotatable wire guide device (12) with a wire brake device (114), a wire forming station (14) and a cutting device (16) for cutting the workpiece from the endless wire (18) of a CNC-controlled contraption to see wire forming.
the known CNC-controlled, described in DE 42 29 294 C1 rotatable Wire feed device (12) has a feed housing (22) in which a total of four wire feed rollers (24) are rotatably mounted, which advance the wire (18) into the wire forming station (14).
the Rollers (24) are arranged in pairs and are controlled by a first CNC Servo motor (26) via two toothed belt transmissions, of which only one (28) is shown here, program-controlled Speed-controlled intermittent, optionally driven forwards and backwards.
the feed housing (22) of the wire feed device (10) For rotating the drawn-in wire (18) clamped between the wire feed rollers (24) is the feed housing (22) of the wire feed device (10) itself in one on the device for forming wire-fastened bearing body (30) rotatably mounted.
the feeder housing (22) is program-controlled by a second controllable servo motor (34) via a toothed belt gear (36), intermittently driven either forwards or backwards.
the wire inlet side of the rotatably mounted feed housing (22) a conventional wire straightening device (38) with horizontally and vertically arranged straightening rollers for straightening of the wire (18) attached to the extended feed housing. before this through the feed housing (22) is inserted between the feed rollers (24).
the wire guide device On the right side in FIG. 1 of the bearing body (30) is part of the wire guide device a two-part, consisting of an upper part (42) and a lower part (44) and on the feed housing (22) held wire guide (48) rotatably mounted in the bearing body (30).
the wire guide (48) extends to the left up to the outlet of the right pair of wire feed rollers and back right up to an eccentric wire holder (52).
the wire holder (52) is part of the rotatable wire guide device (12). This also consists of one, outside of the front plate (58) of the machine frame in the plate (58) roller bearings around the Wire axis rotatable boom (60) on a rotatable flange (62) in the plate (58) with a Toothed pulley (64) of a toothed belt drive (66) is screwed.
the toothed disc (64) is about a toothed belt (68) of the toothed belt drive (66) from a third CNC-controllable Servo motor (70) program-controlled, intermittent, optionally driven forwards and backwards.
the wire holder (52) is releasably attached, which is axially in front of the front exit of the wire guide (48) which is rotatable with the wire feed device (10).
a pull rod (116) is slidably guided in the arm (60) of the rotatable wire guide device (12) to actuate the wire brake device (114).
One end of the pull rod (116) is connected to a two-armed lever (120) by a bolt (118).
the lever (120) is pivotally mounted in the arm (60) on a bolt (122).
the free lever arm (124) of the lever (120) presses on the rounded end of a pressure bolt (128) which is preloaded via a compression spring (126) in the (two-part) wire holder (52) and has a prismatic recess at its other end .
This prismatic end of the bolt (128) interacts with the wire (18) passing by, friction forces resulting in braking forces.
the end of the pull rod (116) opposite the lever (120) is connected to a switching ring (130) firmly connected.
the switching ring (130) is mounted axially displaceably in a sliding bush (132), however held radially in the sleeve (132) not rotatable.
the switching ring (130) rotates to the same extent.
the switching ring (130) is with a Provided circumferential groove (134) on its outer circumference, in the two switching claws (136) of a two-armed Engage the shift lever (138).
the shift lever (138) can be pivoted approximately centrally in a bearing (140) on a bolt (142) stored.
the bearing (140) is firmly connected to the front plate (58).
the arm of the shift lever (138) opposite the shifting claws (136) has an internal thread bearing lever eye (144) into which a threaded spindle (146) is screwed.
the threaded spindle (146) can be controlled via a coupling (148) with the stub shaft (150) of a CNC Servo motor (152) non-rotatably connected.
the rotatable wire guide device can be used (12) the holder (52) can be brought into the most favorable position, e.g. for beating around of a partially manufactured workpiece, or that the wire holder (52) is turned so that when cutting a finished workpiece from the endless wire, the cutting knife (100) the cutting device (16) the wire (18) against the larger wall thickness of the holder (52), which also serves as a counter knife, cuts off.
the wire forming station (14) is on the front panel (58), which is also the shaping side of the device for forming wire is arranged. It consists of several radially around the wire guide hole (74) of the wire holder (52) attached processing units. 2 are three of these Units shown, namely a winch / bending unit (78), a CNC slewing gear (80) and one CNC pusher unit belonging to the cutting device (16).
the winch / bending unit (78) is in DE 42 29 294 C1 or DE 39 15 784 C1 described in more detail.
a possibly simultaneous one Can perform longitudinal movement is another not shown CNC controllable Servo motor provided.
the size of the longitudinal movement of the shaft (82) is determined by the CNC control Likewise freely selectable.
the slide unit belonging to the cutting device (16) is controlled by another CNC Servo motor (96) via a crank mechanism (not shown) and one that is also not shown Conrod driven.
the cutting knife (100) is at the free end of the in a slide guide the cutting device (16) in a longitudinally displaceably slidable cutting slide (102) in a receptacle (104) held interchangeably.
the straight wire and clamped between the feed rollers (24) is endless wire (18) upon activation of the first servo motor (26) through the wire guide (48) and the holder (52) by means of the CNC-controlled feed rollers (24) intermittently horizontally in a straight line advanced into the wire-forming station (14) and in accordance with those arranged on the tool holder (86), effective tools are deformed.
the CNC controlled withdrawal of the wire is also possible by reversing the direction of motor rotation.
the positioning of the individual tools before the shaping process and the active one Tool movement for shaping the workpiece is carried out by the CNC control of the servo motors of the winch and bending unit (78) and are from the exemplary DE 39 15 784 C1 known.
the endless wire (18) fed by means of the feed rollers (24) is fed by the second servo motor (34) via the toothed belt gear (36) and the feed housing (22) CNC-controlled in the predetermined Angle and at the right time, if necessary, simultaneously with the feeding of the wire (18) by the feed rollers (24), for each individual shaping section of the wire in the most favorable spatial processing position before carrying out the next processing step turned.
the CNC control of the third controllable servo motor (70) for the molding process most favorable location rotated.
the program-controlled and force-controlled Wire brake device (114) by activating the CNC-controllable servo motor (152) to be brought.
the size of those transferred to the wire (18) via the pressure pin (128) The braking force is dependent on the respective shaping process from the CNC machine control given.

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Wire Processing (AREA)
Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

EP99105833A 1998-04-11 1999-03-23 Dispositif pour le formage de fil ayant un dispositif de freinage de fil Expired - Lifetime EP0949021B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE19816403A DE19816403C2 (de)	1998-04-11	1998-04-11	Vorrichtung zum Formen von Draht mit einer Drahtbremseinrichtung und Verfahren zum Formen von Draht
DE19816403		1998-04-11

Publications (3)

Publication Number	Publication Date
EP0949021A2 true EP0949021A2 (fr)	1999-10-13
EP0949021A3 EP0949021A3 (fr)	2001-01-17
EP0949021B1 EP0949021B1 (fr)	2001-12-19

Family

ID=7864426

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP99105833A Expired - Lifetime EP0949021B1 (fr)	1998-04-11	1999-03-23	Dispositif pour le formage de fil ayant un dispositif de freinage de fil

Country Status (3)

Country	Link
US (2)	US6092565A (fr)
EP (1)	EP0949021B1 (fr)
DE (2)	DE19816403C2 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN102328004A (zh) *	2011-10-12	2012-01-25	西安建筑科技大学	一种小直径丝材弯折机
EP3184190A1 (fr) *	2015-12-24	2017-06-28	Union Precision Hardware Co., Ltd.	Module d'outil toutes fonctions servo-rotatif à utiliser avec une machine à former les ressorts
EP3238850A1 (fr) *	2016-04-27	2017-11-01	Automated Industrial Machinery, Inc.	Machine de pliage de fil
EP3300812A1 (fr) *	2016-09-29	2018-04-04	Union Precision Hardware Co., Ltd.	Module d'outil toutes fonctions servo-rotatif à utiliser avec une machine à former les ressorts
WO2021028204A1 (fr) *	2019-08-13	2021-02-18	Wafios Aktiengesellschaft	Machine de formage dotée d'un dispositif d'alimentation

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6604395B2 (en) *	2001-07-23	2003-08-12	St Assembly Test Services Ltd.	Semi-automated probe bender
JP3744910B2 (ja) *	2003-02-10	2006-02-15	オリイメック株式会社	線ばね成形装置
DE502004004631D1 (de) *	2003-12-22	2007-09-27	Komax Holding Ag	Kabelbearbeitungseinrichtung
US7951319B2 (en)	2006-07-28	2011-05-31	3M Innovative Properties Company	Methods for changing the shape of a surface of a shape memory polymer article
GR1005986B (el) *	2006-10-03	2008-07-10		Μεθοδος και συστημα παραγωγης τρισδιαστατων προϊοντων απο συρμα.
CN103785774B (zh) *	2014-03-05	2015-01-28	方大力	用螺杆式夹紧装置和弯曲力传感器的炉丝弯曲工艺
US20150318674A1 (en) *	2014-05-01	2015-11-05	David Peavy	Wire Puller
AT520359B1 (de) *	2017-07-11	2019-09-15	Sw Automatisierung Gmbh	Drahthandlingvorrichtung

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4229294C1 (de) *	1992-09-02	1993-12-16	Wafios Maschinen Wagner	Vorrichtung zum Formen von Draht
DE19736468A1 (de) *	1996-08-23	1998-02-26	Itaya Seisaku Sho K K	Federherstellungsvorrichtung

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US4187889A (en) *	1978-08-14	1980-02-12	The Boeing Company	Wire pinch mark detector for use in method and apparatus for semiautomatically manufacturing electrical wire harness
GB2095134B (en) *	1981-03-25	1984-11-07	Lansing Bagnall Ltd	Wire-laying tool
AT391037B (de) *	1982-09-30	1990-08-10	Sticht Fertigungstech Stiwa	Spulenwickeleinrichtung
JPS61229433A (ja) *	1985-04-03	1986-10-13	Asahi Seiki Kogyo Kk	両端に独乙式フツクを備える引張りばねの連続自動成形方法及び装置
DE3915784C1 (fr) *	1989-05-13	1990-07-05	Wafios Maschinenfabrik Gmbh & Co Kg, 7410 Reutlingen, De
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DE19549397C2 (de) *	1994-09-20	1997-12-11	Statomat Spezialmaschinen	Vorrichtung zum Wickeln von Spulen für elektrische Maschinen

1998
- 1998-04-11 DE DE19816403A patent/DE19816403C2/de not_active Expired - Fee Related
- 1998-05-26 US US09/085,082 patent/US6092565A/en not_active Expired - Fee Related
1999
- 1999-03-23 DE DE59900566T patent/DE59900566D1/de not_active Expired - Fee Related
- 1999-03-23 EP EP99105833A patent/EP0949021B1/fr not_active Expired - Lifetime
2000
- 2000-05-24 US US09/577,630 patent/US6397900B1/en not_active Expired - Fee Related

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4229294C1 (de) *	1992-09-02	1993-12-16	Wafios Maschinen Wagner	Vorrichtung zum Formen von Draht
DE19736468A1 (de) *	1996-08-23	1998-02-26	Itaya Seisaku Sho K K	Federherstellungsvorrichtung

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN102328004A (zh) *	2011-10-12	2012-01-25	西安建筑科技大学	一种小直径丝材弯折机
CN102328004B (zh) *	2011-10-12	2013-04-24	西安建筑科技大学	一种小直径丝材弯折机
EP3184190A1 (fr) *	2015-12-24	2017-06-28	Union Precision Hardware Co., Ltd.	Module d'outil toutes fonctions servo-rotatif à utiliser avec une machine à former les ressorts
EP3238850A1 (fr) *	2016-04-27	2017-11-01	Automated Industrial Machinery, Inc.	Machine de pliage de fil
US11007563B2 (en)	2016-04-27	2021-05-18	Advanced Orthodontic Solutions	Wire bending machine
EP3300812A1 (fr) *	2016-09-29	2018-04-04	Union Precision Hardware Co., Ltd.	Module d'outil toutes fonctions servo-rotatif à utiliser avec une machine à former les ressorts
WO2021028204A1 (fr) *	2019-08-13	2021-02-18	Wafios Aktiengesellschaft	Machine de formage dotée d'un dispositif d'alimentation
KR20220044335A (ko) *	2019-08-13	2022-04-07	바피오스 악티엔게젤샤프트	인피드 장치를 구비하는 성형 기계

Also Published As

Publication number	Publication date
DE19816403C2 (de)	2001-06-13
US6092565A (en)	2000-07-25
EP0949021A3 (fr)	2001-01-17
EP0949021B1 (fr)	2001-12-19
US6397900B1 (en)	2002-06-04
DE19816403A1 (de)	1999-10-21
DE59900566D1 (de)	2002-01-31

Publication	Publication Date	Title
DE4229294C1 (de)	1993-12-16	Vorrichtung zum Formen von Draht
DE102011015570B4 (de)	2015-01-22	Biegekopf zum Biegen stab- und rohrförmiger Werkstücke
EP0949021B1 (fr)	2001-12-19	Dispositif pour le formage de fil ayant un dispositif de freinage de fil
EP1260307A2 (fr)	2002-11-27	Machine-outil et procédé d'usinage d'une pièce en forme de barre
DE4040659C1 (en)	1992-02-20	Metal spring coiling machine - incorporates wire feed, coiling tools and cutter
DE8915888U1 (de)	1992-02-06	Werkzeughalter
DE2331466C3 (de)	1981-12-17	Maschine zur Herstellung von kopflosen Gewindeteilen
DE807184C (de)	1951-06-25	Maschine zum Bearbeiten von Gegenstaenden, insbesondere Glasgegenstaenden, die eine Rotationsform mit kreis-, ellipsen-, parabel -oder hyperbelfoermigem Meridian haben
DE2545565C2 (de)	1983-05-11	Vorrichtung zum Bearbeiten der Ein- und Austrittskanten einer Strömungsmaschinenschaufel
DE10258549B4 (de)	2016-08-25	Verfahren und Vorrichtung zum Entgraten von Zahnrädern
DE102013224311B3 (de)	2015-02-12	Vorrichtung zum Bearbeiten von Werkstücken
DE2802395A1 (de)	1978-07-27	Verfahren und vorrichtung zur spanabhebenden bearbeitung bei rotierenden werkstuecken
DE102004031584B4 (de)	2007-08-16	Schärfmaschine zum Scharfschleifen von Klingen
DE3936200C1 (fr)	1990-12-13
DE10145674B4 (de)	2005-12-15	Werkzeugmaschine zur Bearbeitung eines stangenförmigen Werkstücks
EP0119236B1 (fr)	1986-07-30	Tour automatique a broches multiples
DE1901325C3 (de)	1975-01-30	Fräsmaschine zur Nachformbearbeitung von sich drehenden Werkstücken
DE447694C (de)	1927-07-28	Verfahren und Vorrichtung zur Herstellung von Massenteilen
DE2332173A1 (de)	1974-01-24	Transfer-werkzeugmaschine mit mehreren drehbaren spannfuttern fuer die werkstuecke
DE1477278A1 (de)	1969-02-13	Vorschubeinrichtung fuer Automatendrehbaenke
DE653004C (de)	1937-11-12	Verfahren und Maschine zur Herstellung von Naegeln mit schraubenlinienfoermigen Rillen im runden Nagelschaft
AT248673B (de)	1966-08-10	Anlage zur Herstellung von im Querschnitt kreisrunden oder unrunden Werkstücken aus Holz, wie z. B. Sitzmöbelteilen
DE921963C (de)	1955-01-07	Vorrichtung zum Gewindeschneiden an und Zerschneiden von Rohren
AT203317B (de)	1959-05-11	Drehvorrichtung, insbesondere Kopierdrehvorrichtung
DE4437212A1 (de)	1996-04-25	Drückwalzmaschine

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