EP1060041A1 - Machine automatique pour enrouler les ressorts - Google Patents
Machine automatique pour enrouler les ressortsInfo
- Publication number
- EP1060041A1 EP1060041A1 EP99908796A EP99908796A EP1060041A1 EP 1060041 A1 EP1060041 A1 EP 1060041A1 EP 99908796 A EP99908796 A EP 99908796A EP 99908796 A EP99908796 A EP 99908796A EP 1060041 A1 EP1060041 A1 EP 1060041A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wire
- guide
- wires
- automatic spring
- 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.)
- Granted
Links
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 claim 1 and a method for switching a spring winding machine between at least two wires during operation.
- Such automatic spring winders have become known in different embodiments. They are used to manufacture essentially spiral springs made of wire.
- a disadvantage of all known embodiments is that adaptation to different wire thicknesses is possible only with great effort.
- Essential components of known automatic spring winders are designed for the thickness of the wire to be processed and must be exchanged for processing other wire thicknesses. This applies in particular to the drive and the wire guide. The machine must then be reset. The entire process takes several hours. It is not possible to change the machine quickly in order to be able to react flexibly. Furthermore, the components to be replaced must be stored properly to avoid damage and contamination. Warehousing is expensive.
- the object of the present invention is therefore to further develop an automatic spring coiling machine of the type mentioned at the outset in such a way that a changeover to other wire thicknesses is possible in a very short time.
- a corresponding method is also to be provided.
- the automatic spring coiling machine has a drive with which at least two wires can optionally be driven, these wires being received in the wire guide at the same time. Both the drive and the wire guide can accept and process a number of wires at the same time, but only one wire should be conveyed at a time. Complicated replacement of components and readjusting the machine are completely eliminated. Switching between at least two wires takes place within a short time.
- the wire guide preferably has a guide in which bores or mutually opposite grooves which are open on one side and which open into a common chamber with an outlet opening are formed for receiving the wires.
- the point of delivery of the wire guide to the cutting device and winch device is therefore always the same and does not have to be changed.
- An additional adapter can be provided to adapt to widely differing wire thicknesses. This has different through holes. On the side facing the guide, these through bores have an enlarged diameter, on the side facing away from the guide a smaller one. They are preferably composed of two sections, one of which is approximately frustoconical, the other approximately cylindrical. The adapter is rotatable or displaceable relative to the guide in order to be able to combine the different through holes with the guide.
- a common drive can be provided for all wires.
- This preferably consists of opposing pairs of rollers which are provided with a number of grooves.
- the number of slots corresponds to the number of possible wires to be processed.
- the rollers are mutually displaceable parallel to their axis of rotation.
- the groove spacing on the rollers are different here.
- the receiving spaces for the wires to be transported which are formed by the slot openings in the rollers lying opposite one another can thus be adapted to the wire circumference. More than two wires, e.g. three or four wires are fed. 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 in such a way that in each position of the rollers only one groove of the first roller is always aligned with one groove of the second roller. Therefore only one wire is driven at a time. When the rollers move other grooves are aligned with each other; the wire is then driven, which is received in this pair of grooves.
- the radial and axial distance between the rollers is preferably adjustable.
- the rollers form groove spaces which are not assigned to one another and can be opened and closed if necessary. It is provided here that only a single wire is picked up in each pair of rollers and is fed if necessary. All pairs of rollers are aimed at a common unification center. The supply as required takes place here via the respective drive of the roller pairs, which is controllable. It is a CNC-controlled drive of the respective pair of rollers, the drive ensuring that only one pair of rollers is driven at a time and feeds the darts recorded between them to the unification center.
- the method according to the invention provides that a first wire is processed first, while the second or further wires are already accommodated in the guide tube.
- a first wire is processed first, while the second or further wires are already accommodated in the guide tube.
- Both wires are received in a guide with a common outlet opening. After the first wire has been processed for the desired duration, it is cut and pulled back. The first wire is withdrawn to the extent that the second wire can be conveyed through the common outlet opening.
- Only one of the wires is preferably always driven.
- the drive is switched accordingly.
- further components of the machine in particular the cutting device and the winch device, can be adapted to 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 enables the processing of wires of different dimensions without changes to the machine.
- Figure 1 is a schematic representation of an automatic spring coiler
- Figure 2 is an enlarged view of a guide in section
- Figure 3 is a schematic representation of another embodiment of a guide
- Figure 4 a section of the guide of Figure 3 together with an adapter
- FIG. 5 shows a detail from the drive of the automatic spring coiler
- Figure 6 is a view like Figure 5 with the drive switched
- Figure 7 is a rear view of a guide for four wires
- FIG. 1 an automatic spring coiler is shown schematically.
- the main components are drive A, wire guide B, cutting device C and winch device D.
- the devices C and D can also be quickly adapted to different wire thicknesses in known automatic spring winders. Modules A and B are problematic
- the drive A consists essentially of two rollers 21, 22 which can be driven in the direction of arrow 23, 24 and in the opposite direction.
- the roller gap can be adjusted by moving at least one of the rollers 21, 22 in the direction of the arrow 26, 27.
- a plurality of wires 8, 9 of different diameters are guided through the nip 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 be omitted.
- the wire guide B must guide the wire 8, 9 in a precisely defined position through the cutting device C into the winch device D.
- the cutting device C has two knives 25 which are adjustable relative to one another in the direction of the arrow 26, 27.
- the winch device D not shown, has a device with which the diameter and the pitch of the spring to be wound can be specified.
- the guide 1 shows an embodiment of a guide 1.
- the guide 1 has bores or grooves 2, 3 which open into a common chamber 5 with an outlet opening 5.
- the grooves 2, 3 are at an angle 6 to each other, which depends on the actual circumstances.
- a wire 8 is received in the groove 2, a wire 9 in the groove 3. It can be clearly seen that the grooves 2, 3 and the wires 8, 9 have different dimensions or diameters.
- the change from wire 8 to wire 9 takes place as follows: First, the wire 8 must be cut outside the guide 1 by the cutting device C. The wire 8 is then withdrawn from the chamber 4 to the extent that the wire 9 can be fed in the direction of the arrow 7. In the short period of time required for these movements, the cutting device C and the winch device D can be adapted to the new wire 9. The change from wire 9 to wire 8 takes place accordingly.
- the chamber 4 of the guide 1 is shown clearly enlarged.
- the distances to be covered are very small, the time required is a few hundredths of a second. A rapid change in the wire 8 or 9 to be processed is thus possible.
- the wire can be changed after each wound spring without great losses.
- Fig. 3 shows schematically another guide 10 which is provided with five grooves 11 for receiving and guiding different wires.
- the guide 10 has a tip 12 and a shoulder 13 Mistake.
- the chamber 4 preferably projects into this tip 12 and the extension 13.
- the size of the outlet opening 5 determines the maximum permissible wire diameter. However, the outlet opening 5 must not be significantly larger than the wire to be processed, since otherwise a clean and reliable guidance can no longer be guaranteed.
- the guide 1 or 10 can be combined with an adapter 14, 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. This is followed by an essentially cylindrical section 16 or 18.
- 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.
- FIGS. 5 and 6 A drive variant for two wires is shown in FIGS. 5 and 6.
- Each of the rollers 21, 22 has 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 is preferred if the upper roller 21 is stationary and the lower roller 22 is displaced; however, this is not absolutely necessary.
- the wire 8 is fed.
- the left-hand grooves 28, 29 of the rollers 21, 22 are aligned.
- the second wire 9 is received in the right groove 28 of the upper roller 21, but not in contact with the lower roller 22.
- the two rollers 21, 22 are briefly driven in the opposite direction to the conveying direction, in order to pull the wire 8 out of the chamber 5 withdraw.
- the rollers 21, 22 are stopped.
- the lower roller 22 moves to the right in the direction of arrow 19 emotional.
- the left wire 8 remains in the groove 28 of the upper roller 21 while the lower roller 22 moves away.
- the projection 30 runs against the wire 9, presses it slightly upwards and pushes itself under the wire 9.
- the right-hand grooves 28, 29 are aligned.
- the wire 9 is received between the rollers 21, 22 and is conveyed, the wire 8 is stationary.
- the roller 21 can be slightly raised in the direction of arrow 26 during the lateral movement of the roller 22 and then lowered again.
- a plurality of wires 8, 9 can also be conveyed by two rollers 21, 22 that are movable relative to one another.
- the automatic spring coiler according to the invention can switch between different wires in rapid succession and thus significantly increase flexibility.
- 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 toward the common, approximately centrally arranged outlet opening 34. When guiding three wires, one of the holes 2, 3, 32, 33 simply remains empty.
- the fork head 35 which delimits the chamber 4 backwards, is so large that all the wires in the chamber 4 have space.
- 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 Darht can then be introduced into the chamber thus cleared.
- the invention is therefore not limited to the fact that all the wires to be fed are always present in parallel next to one another in the chamber 4.
- One or more wires can also be withdrawn from the chamber to clear the chamber. It is therefore possible to run higher feed speeds because the adapter 14 can be omitted and the wire is guided through the guide 1, 31 with less play.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wire Processing (AREA)
- Springs (AREA)
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 true EP1060041A1 (fr) | 2000-12-20 |
EP1060041B1 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)
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 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE553986A (fr) * | 1953-08-27 | |||
US3119536A (en) * | 1961-05-16 | 1964-01-28 | Berkeley Davis Inc | Wire feeding apparatus |
US4192207A (en) * | 1977-01-17 | 1980-03-11 | Amp Incorporated | Method for feeding a plurality of wires |
DE3005530C2 (de) * | 1980-02-14 | 1984-03-15 | Klaus Dipl.-Ing. 8000 München Keller | Drahtliefer- und-richtvorrichtung für drahtverarbeitende Maschinen |
CH644541A5 (fr) * | 1981-09-15 | 1984-08-15 | Charmilles Sa Ateliers | Dispositif pour selectionner et changer une electrode-fil sur une machine a decouper. |
IT1147521B (it) * | 1981-09-29 | 1986-11-19 | Silvio Sbabo | Dispositivo di avanzamento di fili metallici in macchine per la fabbricazione di catene |
US4669679A (en) * | 1985-05-02 | 1987-06-02 | Essex Group, Inc. | Process and apparatus for high speed cutting and coiling of wire |
AT395549B (de) * | 1989-02-02 | 1993-01-25 | Evg Entwicklung Verwert Ges | Vorrichtung zum beschicken einer gitterschweissmaschine mit laengselementen |
US5131251A (en) * | 1991-10-04 | 1992-07-21 | Newcomb Spring Corporation | Chuck set-up for spring coiling machine |
DE19613087A1 (de) * | 1995-04-03 | 1996-10-10 | Muhr & Bender | Bearbeitungsanlage für Draht |
US6045023A (en) * | 1996-09-10 | 2000-04-04 | Trefimetaux | Yarn multiple supply device for a machine |
DE29714109U1 (de) * | 1997-08-07 | 1997-10-09 | Theis, Klaus, Dr., 60596 Frankfurt | Rollenvorschub für Stäbe |
-
1998
- 1998-01-10 DE DE19800671A patent/DE19800671C2/de not_active Expired - Lifetime
-
1999
- 1999-01-08 AT AT99908796T patent/ATE229390T1/de not_active IP Right Cessation
- 1999-01-08 EP EP99908796A patent/EP1060041B1/fr not_active Expired - Lifetime
- 1999-01-08 DE DE59903740T patent/DE59903740D1/de not_active Expired - Lifetime
- 1999-01-08 WO PCT/EP1999/000071 patent/WO1999034943A1/fr active IP Right Grant
- 1999-01-08 US US09/582,909 patent/US6374655B1/en not_active Expired - Lifetime
- 1999-01-08 CA CA002318388A patent/CA2318388C/fr not_active Expired - Lifetime
- 1999-01-08 JP JP2000527376A patent/JP4302884B2/ja not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9934943A1 * |
Also Published As
Publication number | Publication date |
---|---|
ATE229390T1 (de) | 2002-12-15 |
DE19800671C2 (de) | 2002-11-28 |
DE59903740D1 (de) | 2003-01-23 |
EP1060041B1 (fr) | 2002-12-11 |
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 |
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