EP1060041B1 - Machine automatique pour enrouler les ressorts - Google Patents

Machine automatique pour enrouler les ressorts Download PDF

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Publication number
EP1060041B1
EP1060041B1 EP99908796A EP99908796A EP1060041B1 EP 1060041 B1 EP1060041 B1 EP 1060041B1 EP 99908796 A EP99908796 A EP 99908796A EP 99908796 A EP99908796 A EP 99908796A EP 1060041 B1 EP1060041 B1 EP 1060041B1
Authority
EP
European Patent Office
Prior art keywords
wire
wires
guide
coiling machine
rollers
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.)
Expired - Lifetime
Application number
EP99908796A
Other languages
German (de)
English (en)
Other versions
EP1060041A1 (fr
Inventor
Stefan Hresc
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.)
L&P Swiss Holding GmbH
Original Assignee
L&P Swiss Holding GmbH
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 L&P Swiss Holding GmbH filed Critical L&P Swiss Holding GmbH
Publication of EP1060041A1 publication Critical patent/EP1060041A1/fr
Application granted granted Critical
Publication of EP1060041B1 publication Critical patent/EP1060041B1/fr
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
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F11/00—Cutting 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F3/00—Coiling wire into particular forms
    • B21F3/02—Coiling wire into particular forms helically

Definitions

  • the present invention relates to a spring winding machine according to the Preamble of independent claim 1, and a method for Switch between at least two in an automatic spring coiler different wires during operation.
  • Such automatic spring winders are in different embodiments known. They are used to manufacture essentially spiral wire springs.
  • a disadvantage of all known embodiments is that an adaptation to different wire sizes is only possible with great effort.
  • basics Components of known automatic spring winders are based on the strength of the processing wire designed and need to process others Wire sizes are exchanged. This is particularly true for the drive and the wire guide too.
  • the machine must then be reset. The entire process takes several hours. A quick one Moving the machine to be able to react flexibly is not possible.
  • the components to be replaced must also be properly stored to avoid damage and soiling. The Warehousing is expensive.
  • US 5,131,251 shows such a spring winding machine with a Drive, several wire guides, a cutting device and one Winch device in which the different wires in the several spaced apart wire guides.
  • the entire winch device must be moved and be positioned in front of each wire guide, resulting in the above disadvantages described leads.
  • the object of the present invention is therefore an automatic spring coiler of the type mentioned in such a way that in a very short time a Switching to other wire sizes is possible. It should also be a appropriate procedures are provided.
  • the spring winding machine according to the invention has a drive with which at least two different wires are optionally driven can, these at least two different wires in at the same time the wire guide are included. Both the drive and the Wire guides can pick up and line a number of wires at the same time process, but only one wire should be conveyed.
  • the wire guide preferably has a guide, in which for receiving of the wires holes or opposite one another, open on one side Grooves are formed in a common chamber with a Outlet opening.
  • the delivery point of the wire guide to the Cutting device and winch device is therefore always constant and does not have to be changed.
  • Adapters may be provided. This has different through holes on. These point on the side facing the guide Through holes an enlarged diameter at which the Guide facing away from a scaled down. They are preferably two Sections assembled, one of which is approximately frustoconical, the other is roughly cylindrical in shape. The adapter is opposite the guide rotatable or slidable around the different through holes to be able to combine with the tour.
  • a common drive can be provided for all wires.
  • This consists preferably of opposite pairs of rollers, which with a Number of grooves are provided.
  • the number of grooves corresponds to the number of the possible wires to be processed.
  • the rollers are against each other slidable parallel to its axis of rotation.
  • the groove spacing on the Rollers are different here.
  • the through the slot openings in the opposing rollers forming receiving spaces for the wires to be transported can thus be adapted to the wire circumference. It can also have more than two wires, e.g. three or four wires are fed become. When feeding with 4 wires, each pair of rollers feeds two Wires.
  • the wires are received in grooves in a roller.
  • the grooves on the Rollers are arranged so that only in each position of the rollers a groove of the first roller is aligned with a groove of the second roller. It will therefore only one wire driven at a time. When the rollers move other grooves are aligned with each other; it will then the wire driven, which is received in this pair of grooves.
  • the radial and axial distance between the rollers is preferably adjustable.
  • rollers are not assigned to each other and opening and closing if necessary Form groove spaces. It is provided here that only one in each pair of rollers only wire is picked up and fed if necessary. All Roller pairs are aimed at a common union center. The if necessary, supply takes place here via the respective drive of the Roller pairs that are controllable. It is a CNC controlled Drive of the respective pair of rollers, the drive ensuring that always driven only one pair of rollers and the Darht recorded between them to the union center.
  • Only one of the wires is preferably always driven.
  • the drive will switched accordingly. While pulling back the wire can an adaptation of other components of the machine, especially the Cutting device and the winch device on the new wire. This adjustment is preferably carried out automatically.
  • the wire guide can have an adapter in addition to the guide, so that the size of the discharge opening of the wire guide can be changed. This will the processing of wires of different dimensions without Changes to the machine possible.
  • FIG. 1 an automatic spring coiler is shown schematically.
  • the essential Modules are drive A, wire guide B, cutting device C and Winch device D.
  • Devices C and D can also be used known automatic spring winders quickly to different wire sizes to adjust. Modules A and B are problematic
  • the drive A consists essentially of two rollers 21, 22 which in Direction of arrow 23, 24 and in the opposite direction can be driven.
  • the roller gap is displaced by a displacement of at least one of the rollers 21, 22 Arrow direction 26, 27 adjustable. Be through the nip According to the invention, several wires 8, 9 of different diameters are guided and fed to the wire guide B in the direction of arrow 7.
  • the wire guide B comprises a guide 1 or 10, which is coupled to an adapter 14.
  • the adapter 14 can also omitted.
  • the wire guide B must the wire 8, 9 in a highly precisely defined Guide the layer through the cutting device C into the winch device D.
  • the cutting device C has two knives in the application example shown 25, which are mutually adjustable in the direction of arrow 26, 27.
  • winch device D has a device with which the Diameter and the pitch of the spring to be coiled are specified can.
  • Fig. 2 shows an embodiment of a guide 1.
  • the guide 1 has Bores or grooves 2, 3 in a common chamber 5 with a Outlet opening 5 open.
  • the grooves 2, 3 are at an angle 6 to each other, which depends on the actual circumstances.
  • In the A wire 8 is received in slot 2 and a wire 9 in slot 3. It is clear recognizable that the grooves 2, 3 and the wires 8, 9 different Have dimensions or diameters.
  • the change from wire 8 to wire 9 takes place as follows: First, the Wire 8 is cut outside the guide 1 by the cutting device C. become. The wire 8 is then removed from the chamber 4 withdrawn that the wire 9 can be fed in the direction of arrow 7. In The short amount of time that is required for these movements can Cutting device C and the winch device D on the new wire 9 be adjusted. The change from wire 9 to wire 8 takes place accordingly.
  • the chamber 4 of the guide 1 is significantly enlarged shown.
  • the distances to be covered are very small in reality, the time required is a few hundredths of a second. So it's one rapid change of the wire 8 or 9 to be processed possible. In practice The wire can be changed after each wound spring without great losses become.
  • Fig. 3 shows schematically another guide 10 with five grooves 11 for Recording and guiding different wires is provided.
  • the embodiment is the guide 10 with a tip 12 and a shoulder 13 Mistake.
  • the chamber 4 preferably projects into this tip 12 and the attachment 13 into it.
  • the size of the outlet opening 5 determines the maximum permissible Wire diameter. However, the outlet opening 5 must not be essential be larger than the wire to be processed because it is clean and reliable Leadership is otherwise no longer guaranteed. To be very different To process wire diameter, the guide 1 or 10 with a Adapter 14 can be combined, which is shown in Fig. 4.
  • This adapter 14 has a plurality of through holes, each of which is divided into two.
  • a first, essentially conical section 15 or 17 is adapted to the outlet opening 5.
  • the sections 16, 18 have different diameters to adapt to different wires 8, 9.
  • the adapter 14 can be displaceable in the direction of arrow 19 and in the opposite direction.
  • the adapter 14 can be rotated in the direction of the arrow 20. The movement of the adapter 14 takes place during the withdrawal of the wire 8 or 9 to be changed, so that there is no loss of time.
  • each the rollers 21, 22 have two mutually spaced grooves 28 and 29, respectively.
  • the distance between the grooves 28 of the roller 21 is greater than the distance between the grooves 29 of the roller 22.
  • This roller 22 also has a projection 30 on which the two grooves 29 are formed.
  • the Rollers 21, 22 are mutually displaceable in the direction of arrow 19. It will preferred when the upper roller 21 is stationary and the lower roller 22 is postponed; however, this is not absolutely necessary.
  • roller 21 during the lateral movement of the Roller 22 slightly raised in the direction of arrow 26 and then lowered again become.
  • the automatic spring coiler according to the invention can be in rapid succession between change different wires and thus the flexibility essential increase.
  • FIG. 7 shows a further guide 31, in which differently calibrated bores 2, 3, 32, 33 are arranged for guiding different wire diameters.
  • the holes do not necessarily have to be the same in parts, they can be different.
  • All bores 2, 3, 32, 33 are directed towards the common, approximately centrally arranged outlet opening 34.
  • the fork head 35 which delimits the chamber 4 to the rear is so large that all the wires have space in the chamber 4.
  • the wire lying in the chamber 4, which is to be cut off and no longer to be conveyed is withdrawn to such an extent that it comes to rest behind the fork head 35 and no longer blocks the chamber. A further wire can then be introduced into the chamber thus cleared.
  • the invention is therefore not limited to the fact that all of them are always in the chamber 4 wires to be fed in parallel next to each other. It can also be a or more wires are withdrawn from the chamber to the chamber free. It can therefore drive higher feed speeds because the adapter 14 can be omitted and the wire with less play is guided by the guide 1, 31.

Landscapes

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

Claims (15)

  1. Machine automatique à enrouler les ressorts, comportant un entraínement (A), un guide-fil (B), un dispositif de coupe (C) et un dispositif d'enroulement (D), caractérisée en ce que l'entraínement (A) est apte à entraíner sélectivement au moins deux fils différents (8, 9) qui sont reçus tous les deux en même temps dans le guide-fil (B).
  2. Machine automatique à enrouler les ressorts selon la revendication 1, caractérisée en ce que le guids-fil (B) comporte un guide (1, 10, 31) dans lequel il est prévu, pour recevoir les fils (8, 9), des perçages ou des rainures (2, 3, 11, 32, 33) qui débouchent dans une chambre commune (4) pourvue d'une ouverture de sortie (5, 34).
  3. Machine automatique pour enrouler les ressorts selon la revendication 1 ou 2, caractérisée en ce que le guide-fil (B) comporte un adaptateur (14) qui est pourvu de perçages de passage différents (15, 16 ; 17, 18).
  4. Machine automatique pour enrouler les ressorts selon la revendication 2 ou 3, caractérisée en ce que les perçages de passage (15, 16 ; 17, 18) comportent, sur leur côté tourné vers le guide (1, 10 ; 31), un diamètre plus grand qui correspond sensiblement à celui de l'ouverture de sortie (5 ; 34) de la chambre (4).
  5. Machine automatique pour enrouler les ressorts selon la revendication 4, caractérisée en ce que les perçages de passage (15, 16 ; 17, 18) sont en deux parties et comprennent une section tronconique (15 ; 17) et une section sensiblement cylindrique (16 ; 18) qui fait suite à celle-ci.
  6. Machine automatique pour enrouler les ressorts selon l'une des revendications 3 à 5, caractérisée en ce que l'adaptateur (14) est apte à tourner ou à coulisser par rapport au guide (1, 10 ; 31).
  7. Machine automatique pour enrouler les ressorts selon l'une des revendications 1 à 6, caractérisée en ce que l'entraínement (A) comprend deux cylindres (21, 22) qui sont pourvus d'un certain nombre de rainures (28, 29) et qui sont aptes à coulisser l'un par rapport à l'autre parallèlement à leur axe de rotation.
  8. Machine automatique pour enrouler les ressorts selon la revendication 7, caractérisée en ce que l'écartement des rainures (28) du premier cylindre (21) est différent de celui des rainures (29) du second cylindre (22).
  9. Machine automatique pour enrouler les ressorts selon la revendication 7 ou 8, caractérisée en ce que l'écartement des cylindres (21, 22) est réglable.
  10. Procédé pour passer d'un fil (8, 9) à un fil (8, 9) différent, dans une machine automatique pour enrouler les ressorts comportant un entraínement (A), un guide-fil (B), un dispositif de coupe (C) et un dispositif d'enroulement (D), qui consiste à :
    amener au moins deux fils (8, 9) à l'aide d'un entraínement associé (21, 22),
    introduire ces fils (8, 9) dans un guide (1, 10 ; 31) pourvu d'une ouverture de sortie commune (5, 34) pour tous les fils (8, 9),
    faire passer le premier fil (8) à travers le guide (1, 10) et l'enrouler,
    séparer ce fil (8) et le rétracter dans le guide (1, 10) jusqu'à ce qu'un second fil (9) puisse passer à travers l'ouverture de sortie (5) du guide (1, 10), et
    faire passer le second fil (9) à travers le guide (1, 10) et l'enrouler.
  11. Procédé selon la revendication. 10, selon lequel on entraíne toujours l'un des fils (8, 9) seulement.
  12. Procédé selon la revendication 10 ou 11, selon lequel pendant la rétraction du fil (8, 9), une adaptation du dispositif de coupe (C) et du dispositif d'enroulement (D) au nouveau fil utilisé (9, 8) est effectuée.
  13. Procédé selon la revendication 12, selon lequel l'adaptation se fait automatiquement.
  14. Procédé selon l'une des revendications 10 à 13, caractérisé en ce que la taille de l'ouverture de dégagement (16, 18) du guide-fil (B) est variable.
  15. Procédé selon l'une des revendications 10 à 14, caractérisé en ce qu'un seul fil est reçu dans l'espacement entre deux cylindres, et les cylindres sont entraínés de manière synchrone.
EP99908796A 1998-01-10 1999-01-08 Machine automatique pour enrouler les ressorts Expired - Lifetime EP1060041B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19800671 1998-01-10
DE19800671A DE19800671C2 (de) 1998-01-10 1998-01-10 Federwindeautomat
PCT/EP1999/000071 WO1999034943A1 (fr) 1998-01-10 1999-01-08 Machine automatique pour enrouler les ressorts

Publications (2)

Publication Number Publication Date
EP1060041A1 EP1060041A1 (fr) 2000-12-20
EP1060041B1 true EP1060041B1 (fr) 2002-12-11

Family

ID=7854286

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99908796A Expired - Lifetime EP1060041B1 (fr) 1998-01-10 1999-01-08 Machine automatique pour enrouler les ressorts

Country Status (7)

Country Link
US (1) US6374655B1 (fr)
EP (1) EP1060041B1 (fr)
JP (1) JP4302884B2 (fr)
AT (1) ATE229390T1 (fr)
CA (1) CA2318388C (fr)
DE (2) DE19800671C2 (fr)
WO (1) WO1999034943A1 (fr)

Families Citing this family (19)

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Publication number Priority date Publication date Assignee Title
US6584823B2 (en) 2000-09-18 2003-07-01 L&P Property Management Company Two wire spring making machine and method
US6910360B2 (en) * 2001-10-23 2005-06-28 L&P Property Management Company Multiple wire feed for spring coiling machine and method
US7082797B1 (en) 2003-12-19 2006-08-01 Wiese Thomas R Coiling point tool for spring coiling machine, and method of using same
US7977604B2 (en) * 2006-08-10 2011-07-12 Illinois Tool Works Inc. Wire drive roll
CN103084519B (zh) * 2013-02-07 2015-07-15 建科机械（天津）股份有限公司 焊网机的多孔钢筋导入机构
CN104259239B (zh) * 2014-08-10 2016-06-29 太仓东青金属制品有限公司 一种金属丝制造方法
CN105414401A (zh) * 2015-11-30 2016-03-23 芜湖普威技研有限公司 钢筋切断成型装置
US10532418B2 (en) 2017-08-08 2020-01-14 Lincoln Global, Inc. Dual wire welding or additive manufacturing contact tip and diffuser
US10792752B2 (en) 2017-08-08 2020-10-06 Lincoln Global, Inc. Dual wire welding or additive manufacturing system and method
US11504788B2 (en) 2017-08-08 2022-11-22 Lincoln Global, Inc. Dual wire welding or additive manufacturing system and method
US11440121B2 (en) 2017-08-08 2022-09-13 Lincoln Global, Inc. Dual wire welding or additive manufacturing system and method
CN109175167A (zh) * 2018-09-14 2019-01-11 浙江纳特汽车标准件有限公司 线性送料装置
US11426813B2 (en) * 2018-10-15 2022-08-30 Lincoln Global, Inc. Welding or additive manufacturing dual wire drive system
US11504787B2 (en) * 2018-10-15 2022-11-22 Lincoln Global, Inc. Welding or additive manufacturing dual wire drive system
KR20200042855A (ko) * 2018-10-15 2020-04-24 링컨 글로벌, 인크. 용접 또는 적층 가공 이중 와이어 구동 시스템
US11198192B2 (en) * 2018-10-15 2021-12-14 Lincoln Global, Inc. Welding or additive manufacturing dual wire drive system
US11285557B2 (en) 2019-02-05 2022-03-29 Lincoln Global, Inc. Dual wire welding or additive manufacturing system
US11498146B2 (en) 2019-09-27 2022-11-15 Lincoln Global, Inc. Dual wire welding or additive manufacturing system and method
CN111054859A (zh) * 2019-12-03 2020-04-24 深圳市君厚财税服务有限公司 一种阻水电缆用切割装置

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Also Published As

Publication number Publication date
ATE229390T1 (de) 2002-12-15
DE19800671C2 (de) 2002-11-28
DE59903740D1 (de) 2003-01-23
CA2318388C (fr) 2006-12-05
JP2002500106A (ja) 2002-01-08
JP4302884B2 (ja) 2009-07-29
CA2318388A1 (fr) 1999-07-15
WO1999034943A1 (fr) 1999-07-15
US6374655B1 (en) 2002-04-23
DE19800671A1 (de) 1999-07-15
EP1060041A1 (fr) 2000-12-20

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