EP1216954A2 - Device for manufacturing a box-spring core - Google Patents
Device for manufacturing a box-spring core Download PDFInfo
- Publication number
- EP1216954A2 EP1216954A2 EP01125226A EP01125226A EP1216954A2 EP 1216954 A2 EP1216954 A2 EP 1216954A2 EP 01125226 A EP01125226 A EP 01125226A EP 01125226 A EP01125226 A EP 01125226A EP 1216954 A2 EP1216954 A2 EP 1216954A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- spring
- springs
- station
- textile
- gripper
- 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
- 238000004519 manufacturing process Methods 0.000 title description 9
- 238000004804 winding Methods 0.000 claims abstract description 10
- 239000004753 textile Substances 0.000 claims description 4
- 238000004026 adhesive bonding Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
- IHQKEDIOMGYHEB-UHFFFAOYSA-M sodium dimethylarsinate Chemical class [Na+].C[As](C)([O-])=O IHQKEDIOMGYHEB-UHFFFAOYSA-M 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B68—SADDLERY; UPHOLSTERY
- B68G—METHODS, EQUIPMENT, OR MACHINES FOR USE IN UPHOLSTERING; UPHOLSTERY NOT OTHERWISE PROVIDED FOR
- B68G9/00—Placing upholstery springs in pockets; Fitting springs in upholstery
Definitions
- the present invention relates to a device for producing a pocket spring core according to the preamble of claim 1.
- Such a device makes coil springs for pocket spring cores produced, spring wire brought into a wind station via a feed device in which a coil spring is wound, which is cylindrical, but in particular is barrel-shaped.
- the respective coil spring After the respective coil spring has been wound, it is connected to a turn of gripped the gripper of the gripper arm and, for example, a heat treatment station fed, in which the structure changed by the winding is normalized, so that the original spring properties of the spring wire are restored become.
- the heated spring then runs through a cooling section until it is in another Processing station pocketed in a fabric covering in the broadest sense is, so that a row of springs is formed, either the length or the width of the spring core corresponds.
- the different zones are in one extent defined by the length of the rows of springs, i.e., either by the total length of the innerspring, or its total width.
- Partial zones that is, those provided, so to speak, island-like in the spring core are, can not be produced with the known devices.
- the present invention is therefore based on the object of a device of the generic type so that a simpler and cheaper Manufacture of a spring core with different strength zones possible and the design options of the zones with regard to their arrangement and Configuration within the innerspring is improved.
- the gripper arm or the wind station is adjusted by means of a servomotor. which can be operated under computer control, so that one after the other Coil springs can be made that have different numbers of turns have, the length of the individual coil springs, from which the height of the spring core, regardless of their number of turns, is approximately the same.
- Such manufacture allows the manufacture of a spring core, in which, depending on Need, for example zones of different strength in the input mentioned island-like configuration can be made.
- the wind station has a second feed device is assigned to one in relation to the first feed device Thickness of different wire is fed, whereby a coil spring can be produced which also differs in strength from another. In combination with different numbers of turns, there are therefore many Differences in strength of the zones can be made. But also spring cores that differ in their entirety from others in terms of their strength, are without significant retrofitting of the device, let alone without one to manufacture additional device.
- a further development of the invention also contributes to this, according to which the Coil springs with different winding directions are manufactured.
- the Coil springs with different winding directions are manufactured.
- the single figure shows a partial section of a device according to the invention in a schematic top view.
- the figure shows a device for producing a pocket spring core, which has a wind station 6 with which a helical spring 1 can be produced is.
- a large number of coil springs 1 are placed in adjacent pockets a textile or textile-like covering, not shown, used a predetermined number of the coil springs inserted into the pockets Series of springs result, of which several form a pocket spring core with each other get connected.
- a feed device 7 is assigned to the wind station 6, through which the wind station 6, a spring wire 8 is supplied, from which the coil spring 1 is wound becomes.
- a gripper arm 2 For transporting the coiled coil spring 1 into a downstream heat treatment device 9, a gripper arm 2 is provided, which is on a pivot axis 4, which is movable via a rotary drive 5, is mounted.
- the gripper arm 2 has at its free end a gripper 3 with which the Coil spring 1 is gripped and held on a turn so that it is complete the wind station 6 from its area into the heat treatment device 9 can be transported.
- the gripper arm 2 is so adjustable on the pivot axis 4 stored that the distance between the gripper arm 2 and with it the gripper 3 to the wind station 6 is changeable.
- the number of turns is dash-dotted coil spring 1 shown larger than that shown in full line.
- the gripper arm 2 which is then the coil spring 1 with a larger number of turns seizes, also recognizable by dash-dotted lines.
- the adjustability of the gripper arm 2 indicated by arrows can be determined by a Actuator, not shown, take place, the computer-controlled position of the gripper arm 2 changed so that the number of turns of the coil spring 1 as desired is selectable.
- a coupling of the servomotor for changing the position of the gripper arm 2 with the Wind station 6 makes sense. This gives you the option of running while Production, i.e. without stopping the device in its number of turns to produce different coil springs 1 easily and to a pocket spring core to process.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wire Processing (AREA)
- Springs (AREA)
Abstract
Description
Die vorliegende Erfindung betrifft eine Vorrichtung zur Herstellung eines Taschenfederkerns gemäß dem Oberbegriff des Anspruches 1.The present invention relates to a device for producing a pocket spring core according to the preamble of claim 1.
Mittels einer solchen Vorrichtung werden Schraubenfedern für Taschenfederkerne hergestellt, wobei über eine Zuführeinrichtung Federdraht in eine Windestation gebracht wird, in der jeweils eine Schraubenfeder gewunden wird, die zylinderförmig, insbesondere aber tonnenförmig ausgebildet ist.Such a device makes coil springs for pocket spring cores produced, spring wire brought into a wind station via a feed device in which a coil spring is wound, which is cylindrical, but in particular is barrel-shaped.
Nach dem Winden der jeweiligen Schraubenfeder wird diese an einer Windung von dem Greifer des Greifarmes gefaßt und beispielsweise einer Wärmebehandlungsstation zugeführt, in der das durch das Winden veränderte Gefüge normalisiert wird, so daß die ursprünglichen Federeigenschaften des Federdrahtes wiederhergestellt werden.After the respective coil spring has been wound, it is connected to a turn of gripped the gripper of the gripper arm and, for example, a heat treatment station fed, in which the structure changed by the winding is normalized, so that the original spring properties of the spring wire are restored become.
Anschließend durchläuft die erwärmte Feder eine Kühlstrecke, bis sie in einer weiteren Bearbeitungsstation in eine im weitesten Sinne Gewebeumhüllung eingetascht wird, so daß eine Federreihe entsteht, die entweder der Länge oder der Breite des Federkerns entspricht. The heated spring then runs through a cooling section until it is in another Processing station pocketed in a fabric covering in the broadest sense is, so that a row of springs is formed, either the length or the width of the spring core corresponds.
Danach werden mehrere Federreihen zu dem besagten Federkern miteinander verbunden. Dies kann durch Verklammern oder Verkleben geschehen.Then several rows of springs are connected to each other to the said spring core. This can be done by clipping or gluing.
Um Federkerne mit unterschiedlichen Festigkeitszonen herzustellen, werden bislang auf separaten Vorrichtungen Schraubenfedern mit unterschiedlichen Drahtstärken hergestellt, die jeweils zu einer der beschriebenen Federreihen zusammengefaßt werden. Durch Verkleben solcher Federreihen zu Zonen und deren Verklebung widerrum mit Federreihen, deren Schraubenfedern andere Windungszahlen aufweisen, kann ein Federkern mit unterschiedlichen Festigkeitszonen hergestellt werden.To manufacture spring cores with different strength zones, so far Coil springs with different wire sizes on separate devices manufactured, each combined to one of the described rows of springs become. By gluing such rows of springs to zones and gluing them in reverse with rows of springs, the coil springs of which have different numbers of turns, a spring core with different strength zones can be manufactured.
Allerdings ist diese Art der Herstellung äußerst aufwendig, da sie in vielen Arbeitsbereichen manuell erfolgen muß. Zum anderen sind die unterschiedlichen Zonen in ihrer einen Ausdehnung durch die Länge der Federreihen definiert, d.h., entweder durch die Gesamtlänge des Federkerns, oder dessen Gesamtbreite.However, this type of manufacture is extremely complex since it is used in many work areas must be done manually. On the other hand, the different zones are in one extent defined by the length of the rows of springs, i.e., either by the total length of the innerspring, or its total width.
Partielle Zonen, also solche, die sozusagen inselartig in dem Federkern vorgesehen sind, sind mit den bekannten Vorrichtungen nicht herstellbar.Partial zones, that is, those provided, so to speak, island-like in the spring core are, can not be produced with the known devices.
Der vorliegenden Erfindung liegt die daher die Aufgabe zu Grunde, eine Vorrichtung der gattungsgemäßen Art so auszubilden, daß eine einfachere und kostengünstigere Herstellung eines Federkerns mit unterschiedlichen Festigkeitszonen möglich ist und die Gestaltungsmöglichkeit der Zonen hinsichtlich ihrer Anordnung und Konfiguration innerhalb des Federkerns verbessert wird.The present invention is therefore based on the object of a device of the generic type so that a simpler and cheaper Manufacture of a spring core with different strength zones possible and the design options of the zones with regard to their arrangement and Configuration within the innerspring is improved.
Diese Aufgabe wird durch eine Vorrichtung gelöst, die die Merkmale des Anspruchs 1 aufweist.This object is achieved by a device having the features of the claim 1 has.
Durch diese konstruktive Ausbildung der Vorrichtung kann nun ein Federkern mit unterschiedlichen Festigkeitszonen hergestellt werden, ohne daß eine zweite Vorrichtung zum Einsatz kommen muß. Due to this design of the device, a spring core can now be used different strength zones can be produced without a second device must be used.
Bei unterschiedlichen Windungsanzahlen der Schraubenfedern sind auch die räumlichen Anordnungen der Windungen verschieden, so daß der Greifer, der ja, wie erwähnt, die fertig gewundene Schraubenfeder an einer Windung faßt, entsprechend positioniert werden kann. Hierdurch wird gewährleistet, daß die Schraubenfeder zum Weitertransport in jedem Fall korrekt ergriffen wird.With different numbers of turns of the coil springs, the spatial Arrangements of turns different, so that the gripper, yes, how mentions that the coiled coil spring grips on one turn, accordingly can be positioned. This ensures that the coil spring is correctly gripped for further transport in any case.
Anstelle der Verstellbarkeit des Greifarmes zu der Windestation, besteht auch die Möglichkeit, diese in ihrem Abstand zu dem dann feststehenden Greifarm zu verändern , wobei jedoch diese Möglichkeit konstruktiv aufwendiger ist als die den Greifarm in seinem Abstand zur Windestation zu verstellen.Instead of the adjustability of the gripper arm to the wind station, there is also Possibility to change their distance from the then fixed gripper arm , but this option is structurally more complex than that of the gripper arm to adjust its distance from the wind station.
Die Verstellung des Greifarmes bzw. der Windestation erfolgt mittels eines Stellmotors, der rechnergesteuert betrieben sein kann, so daß durchaus nacheinander Schraubenfedern gefertigt werden können, die unterschiedliche Windungsanzahlen aufweisen, wobei die Länge der einzelnen Schraubenfedern, aus der sich die Höhe des Federkerns ergibt, unabhängig von deren Windungsanzahl, etwa gleich ist.The gripper arm or the wind station is adjusted by means of a servomotor. which can be operated under computer control, so that one after the other Coil springs can be made that have different numbers of turns have, the length of the individual coil springs, from which the height of the spring core, regardless of their number of turns, is approximately the same.
Eine solche Fertigung erlaubt die Herstellung eines Federkerns, bei dem, je nach Bedarf, beispielsweise Zonen unterschiedlicher Festigkeit in der Eingangs genannten inselartigen Konfiguration hergestellt werden können.Such manufacture allows the manufacture of a spring core, in which, depending on Need, for example zones of different strength in the input mentioned island-like configuration can be made.
Damit ist auch eine Individuelle Fertigung möglich, die den Bedürfnissen eines einzelnen Benutzers Rechnung trägt.This also enables individual production that meets the needs of an individual User takes into account.
Des weiteren kann vorgesehen sein, daß der Windestation eine zweite Zuführeinrichtung zugeordnet ist, der ein gegenüber der ersten Zuführeinrichtung in seiner Dicke unterschiedlicher Draht zugeführt wird, wodurch eine Schraubenfeder herstellbar ist, die sich ebenfalls in ihrer Festigkeit gegenüber einer anderen unterscheidet. In Kombination mit verschiedenen Windungsanzahlen sind somit vielfältige Festigkeitsunterscheidungen der Zonen herstellbar. Aber auch Federkerne, die sich in ihrer Gesamtheit von anderen hinsichtlich ihrer Festigkeit unterscheiden, sind ohne nennenswerte Umrüstung der Vorrichtung, geschweige denn ohne eine zusätzliche Vorrichtung zu fertigen.Furthermore, it can be provided that the wind station has a second feed device is assigned to one in relation to the first feed device Thickness of different wire is fed, whereby a coil spring can be produced which also differs in strength from another. In combination with different numbers of turns, there are therefore many Differences in strength of the zones can be made. But also spring cores that differ in their entirety from others in terms of their strength, are without significant retrofitting of the device, let alone without one to manufacture additional device.
Dazu trägt ebenfalls eine weitere Ausbildung der Erfindung bei, wonach die Schraubenfedern mit unterschiedlichen Windungsrichtungen hergestellt werden. Hierzu ist neben einer veränderten Zuführrichtung des Drahtes auch eine veränderte Drehrichtung der Windestation erforderlich.A further development of the invention also contributes to this, according to which the Coil springs with different winding directions are manufactured. In addition to a changed feed direction of the wire, there is also a changed one Direction of rotation of the wind station required.
Durch eine Mischung der Federreihen, bei der abwechselnd oder nach bestimmten Anzahlen Federreihen miteinander verbunden werden, deren Schraubenfedern rechts oder links gewunden sind, wird ebenfalls eine höhere Festigkeit des Federkerns insgesamt erzielt, zumindest aber wird ein "Schwimmen" durch Querverschiebung der beiden Breitseiten des Federkerns weitgehend vermieden.By mixing the rows of springs, alternating or according to certain Numbers of rows of springs are connected together, their coil springs wound on the right or left will also increase the strength of the innerspring overall achieved, but at least a "swimming" by transverse displacement the two broad sides of the innerspring largely avoided.
Bei einem mit Hilfe einer erfindungsgemäßen Vorrichtung hergestellter Taschenfederkern mit unterschiedlichen Festigkeitszonen, der aus einer Mehrzahl miteinander verbundener Federreihen, die jeweils in nebeneinander liegenden Taschen einer textilen oder textilartigen Umhüllung eingesetzte aus Federdraht bestehende Schraubenfedern aufweist, ist die Anzahl der Windungen und/oder der Durchmesser des Drahtes und/oder die Windungsrichtung der Schraubenfedern partiell unterschiedlich.In the case of a pocket spring core produced with the aid of a device according to the invention with different strength zones, consisting of a plurality with each other connected rows of feathers, each in a pocket next to each other textile or textile-like sheathing used consisting of spring wire Coil springs has the number of turns and / or the diameter of the wire and / or the winding direction of the coil springs partially different.
Weitere vorteilhafte Ausbildungen der Erfindung sind in den Unteransprüchen gekennzeichnet.Further advantageous developments of the invention are characterized in the subclaims.
Ein Ausführungsbeispiel der Erfindung wird nachfolgend an Hand der beigefügten Zeichnung beschrieben.An embodiment of the invention is described below with reference to the accompanying Drawing described.
Die einzige Figur zeigt einen Teilausschnitt einer erfindungsgemäßen Vorrichtung in einer schematischen Draufsicht. The single figure shows a partial section of a device according to the invention in a schematic top view.
In der Figur ist eine Vorrichtung zur Herstellung eines Taschenfederkerns dargestellt, die eine Windestation 6 aufweist, mit der eine Schraubenfeder 1 herstellbar ist.The figure shows a device for producing a pocket spring core, which has a wind station 6 with which a helical spring 1 can be produced is.
Eine Vielzahl von Schraubenfedern 1 werden in jeweils nebeneinander liegende Taschen einer nicht dargestellten textilen oder textilartigen Umhüllung eingesetzt, wobei eine vorbestimmte Anzahl der in die Taschen eingefügten Schraubenfedern eine Federreihe ergeben, von denen mehrere zu einem Taschenfederkern miteinander verbunden werden.A large number of coil springs 1 are placed in adjacent pockets a textile or textile-like covering, not shown, used a predetermined number of the coil springs inserted into the pockets Series of springs result, of which several form a pocket spring core with each other get connected.
Der Windestation 6 ist eine Zuführeinrichtung 7 zugeordnet, durch die der Windestation
6 ein Federdraht 8 zugeführt wird, aus dem die Schraubenfeder 1 gewunden
wird.A
Zum Transport der gewundenen Schraubenfeder 1 in eine nachgeordnete Wärmebehandlungseinrichtung
9 ist ein Greifarm 2 vorgesehen, der auf einer Schwenkachse
4, die über einen Drehantrieb 5 bewegbar ist, gelagert ist.For transporting the coiled coil spring 1 into a downstream
Der Greifarm 2 weist an seinem freien Ende einen Greifer 3 auf, mit dem die
Schraubenfeder 1 an einer Windung erfaßt und gehalten wird, so daß sie nach Fertigstellung
der Windestation 6 aus deren Bereich in die Wärmebehandlungseinrichtung
9 transportiert werden kann.The
Um Schraubenfedern 1 mit unterschiedlichen Anzahlen von Windungen herstellen
und bearbeiten zu können, ist der Greifarm 2 auf der Schwenkachse 4 so verstellbar
gelagert, daß der Abstand des Greifarmes 2 und mit ihm des Greifers 3 zu der Windestation
6 veränderbar ist. To make coil springs 1 with different numbers of turns
and to be able to edit, the
Da der Greifer 3 die Schraubenfeder 1 immer an einer Windung ergreift, die Windungen
bei unterschiedlichen Anzahlen jedoch eine andere Lage bezogen auf den
Greifarm 2 einnehmen, muß dieser entsprechend verstellt werden.Since the gripper 3 always grips the coil spring 1 on one turn, the turns
with different numbers, however, a different location in relation to the
Take
Im dargestellten Ausführungsbeispiel ist die Anzahl der Windungen der strichpunktiert dargestellten Schraubenfeder 1 größer als die der in Volllinie gezeigten.In the illustrated embodiment, the number of turns is dash-dotted coil spring 1 shown larger than that shown in full line.
Entsprechend ist der Greifarm 2 , der dann die Schraubenfeder 1 mit größerer Windungsanzahl
ergreift, ebenfalls strichpunktiert erkennbar.Correspondingly, the
Die durch Pfeile angedeutete Verstellbarkeit des Greifarmes 2 kann durch einen
nicht dargestellten Stellmotor erfolgen, der rechnergesteuert die Lage des Greifarmes
2 verändert, so daß die Anzahl der Windungen der Schraubenfeder 1 beliebig
wählbar ist.The adjustability of the
Eine Kopplung des Stellmotors zur Lageveränderung des Greifarmes 2 mit der
Windestation 6 ist sinnvoll. Hierdurch besteht die Möglichkeit, während der laufenden
Produktion, also ohne die Vorrichtung still zu setzen in ihren Windungsanzahlen
unterschiedliche Schraubenfedern 1 problemlos herzustellen und zu einem Taschenfederkern
zu verarbeiten.A coupling of the servomotor for changing the position of the
Claims (7)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10064723 | 2000-12-22 | ||
| DE10064723A DE10064723A1 (en) | 2000-12-22 | 2000-12-22 | Device for producing a pocket spring core |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1216954A2 true EP1216954A2 (en) | 2002-06-26 |
| EP1216954A3 EP1216954A3 (en) | 2003-11-26 |
| EP1216954B1 EP1216954B1 (en) | 2008-05-28 |
Family
ID=7668774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01125226A Expired - Lifetime EP1216954B1 (en) | 2000-12-22 | 2001-10-24 | Device for manufacturing a box-spring core |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1216954B1 (en) |
| AT (1) | ATE396954T1 (en) |
| DE (2) | DE10064723A1 (en) |
| DK (1) | DK1216954T3 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1073995B (en) * | 1960-01-28 | |||
| GB2042467A (en) * | 1979-02-14 | 1980-09-24 | Spuehl Ag | Load handling device for varying the spacing of engaged articles |
| DE29823956U1 (en) * | 1998-05-28 | 2000-03-16 | Spintex Ag Altendorf | Anatomical innerspring |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3020727A1 (en) * | 1980-05-31 | 1981-12-17 | Spühl AG, 9009 St. Gallen | Mattress spring producing machine - has coiling, conveyor, gripping and eyelet bending stations with independent on-off controls |
-
2000
- 2000-12-22 DE DE10064723A patent/DE10064723A1/en not_active Withdrawn
-
2001
- 2001-10-24 DK DK01125226T patent/DK1216954T3/en active
- 2001-10-24 EP EP01125226A patent/EP1216954B1/en not_active Expired - Lifetime
- 2001-10-24 DE DE50113998T patent/DE50113998D1/en not_active Expired - Lifetime
- 2001-10-24 AT AT01125226T patent/ATE396954T1/en not_active IP Right Cessation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1073995B (en) * | 1960-01-28 | |||
| GB2042467A (en) * | 1979-02-14 | 1980-09-24 | Spuehl Ag | Load handling device for varying the spacing of engaged articles |
| DE29823956U1 (en) * | 1998-05-28 | 2000-03-16 | Spintex Ag Altendorf | Anatomical innerspring |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1216954A3 (en) | 2003-11-26 |
| DK1216954T3 (en) | 2008-09-22 |
| DE10064723A1 (en) | 2002-07-04 |
| ATE396954T1 (en) | 2008-06-15 |
| EP1216954B1 (en) | 2008-05-28 |
| DE50113998D1 (en) | 2008-07-10 |
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