EP0774310B1 - Dispositif de transfert de ressorts à une machine d'assemblage - Google Patents

Dispositif de transfert de ressorts à une machine d'assemblage Download PDF

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Publication number
EP0774310B1
EP0774310B1 EP96117839A EP96117839A EP0774310B1 EP 0774310 B1 EP0774310 B1 EP 0774310B1 EP 96117839 A EP96117839 A EP 96117839A EP 96117839 A EP96117839 A EP 96117839A EP 0774310 B1 EP0774310 B1 EP 0774310B1
Authority
EP
European Patent Office
Prior art keywords
spring
springs
slide
belt
transfer device
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
EP96117839A
Other languages
German (de)
English (en)
Other versions
EP0774310A1 (fr
Inventor
Hans Knöpfel
Siegfried Grüninger
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.)
Spuehl AG
Original Assignee
Spuehl 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.)
Filing date
Publication date
Application filed by Spuehl AG filed Critical Spuehl AG
Publication of EP0774310A1 publication Critical patent/EP0774310A1/fr
Application granted granted Critical
Publication of EP0774310B1 publication Critical patent/EP0774310B1/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
    • B21F33/00—Tools or devices specially designed for handling or processing wire fabrics or the like
    • B21F33/04—Connecting ends of helical springs for mattresses

Definitions

  • the invention relates to a transfer device for springs an assembly machine according to the preamble of Claim 1 (see e.g. US-A-2 862 630).
  • Such machines are used to make a finished Spring suitable for processing and in the exact position of a facility to supply in which facility the springs to one Innerspring, a cushion or a seat cushion become.
  • Characteristic of such a spring insertion station is that of a spring manufacturing machine, which is within the scope of the present Invention is no longer described, a spring in each a gripping hand of a multi-armed transport star is, and this spring now via a spring insertion station and various other downstream stations of the Assembly machine is fed.
  • the spring produced in this station is in the respective gripping hand of the transport star inserted and there clamped and sent for further processing.
  • the subsequent spring insertion station works so that swivel jaws in the outlet area of the respective Gripping hand of the transport star were present, which Swivel jaws between them take up the spring, the Spring from the gripping hand of the transport star into this Swivel jaws were inserted.
  • Swiveling movement of the jaws in the area of Spring insertion station had the disadvantage that there spring inserted into the spring insertion station is never precise enough could be positioned. This was with the downside connected that the spring over a larger number of subsequent straightening stations had to be precisely aligned, which was associated with increased machine expenditure.
  • the purpose of the present invention is to To create transfer facility with which it succeeds on the simplest possible way in rows arranged and with individual distances from each other arranged springs of a downstream assembly machine feed.
  • Such a slide device in a belt gap of two synchronously driven belt loops springs arranged one behind the other synchronously in rows, d. H. for example up to 40 springs capture, and this transversely to the tape transport direction from the Tape to transport these springs into the Gripper gap from downstream upper and lower To guide assembly pliers.
  • the slide ends are spring-loaded against each other in the direction of the longitudinal axis of the spring biased. Another feature is that the slide assembly with these prestressed in the gap between each other associated strand of the ribbon loops engages and against that upper and lower band is prestressed with spring tension. On this way, a secure attack on the slide ends will occur the upper and lower end turns of the one to be moved Spring reached.
  • An embodiment of the invention prefers if the slide ends are provided with slide blocks to to achieve an even better system at the end turn. For the rest, it is preferred if everyone Slider block an approximately vertical contact surface to the system the associated end turn of the spring forms a safe and full system at the respective end turn to reach.
  • the invention provides that from the outset the Place the slide assembly on the end turns of the springs lets and the slide assembly under spring preload the final turn can attack that the final turns without Danger of deformation or friction, correct and securely in the gripping gap of upper and lower assembly pliers can be transferred.
  • the slide arrangement is directly aligned with the Mounting device is arranged so that a height offset can be omitted.
  • the slide assembly must first remove the springs from the Bring the area onto an appropriate transport belt that Springs z. B. lift vertically to a second, vertically the springs of an assembly machine arranged above it feed.
  • the slider synchronously over a corresponding Swivel device are driven.
  • This is an engine or another rotary actuator is used, whose rotary motion via a corresponding transmission linkage in a linear Sliding movement of the slider is implemented.
  • the distance between the individual sliders (with each spring, of course Slide is assigned) is individually adjustable.
  • the slide on a corresponding Bracket are arranged and in this bracket in Direction of transport of the belt and in the opposite direction are arranged displaceable and lockable.
  • the individual distance between the springs by the corresponding slidable and lockable bracket the associated slider are replicated so that everyone Spring a corresponding slider on the corresponding one Position is assigned. So the feathers are with the Location and slide arrangement according to the invention immediately aligned in the correct position, e.g. B. in horizontal Level inserted into the assembly machine.
  • Figure 1 it is shown that a transport star from a multi-arm gripper mechanism consisting of a number of Has gripping hands 18, one in each gripping hand 18 appropriate spring 26 inserted and held there by clamping becomes.
  • the gripping hand 18 guides the spring 26 into a Spring insertion station 2 a.
  • this spring After inserting and correctly aligning the spring 26 in the spring insertion station 2, this spring is one Turning station 3 supplied, the spring from a horizontal position is turned into a vertical position.
  • a first straightening station 4 is at the outlet of the turning station arranged that only checks as a control station whether the node 38 of the spring 26 properly in the Spring insertion station 2 was positioned.
  • Another straightening station 5 ensures that of a number from one another in the area of the belt loops 8, 9 arranged springs each the last spring of the taken out previous row, turned and again as first spring of the following row in the band gap of the Belt loops 8, 9 is inserted.
  • a transfer device 6 is located behind the straightening station 5 arranged, in which the springs lie in the correct position one behind the other are positioned exactly in rows and which then with a cross slide system in a cross to the Belt loops 8, 9 handed assembly machine become.
  • the only central drive available is that of one Gearbox two synchronously driven drive shafts 10, 11 drives. In each case runs over each drive shaft 10, 11 Toothed belt 12, 13, the slip-free each a deflection roller 14, 15 drives.
  • the belt loop 8 is above the respective deflection roller 14, 15 and 9 led.
  • Each ribbon loop consists of an upper and lower strand, and between the facing dreams of these Belt loops 8, 9, the spring 26 to be inserted is inserted.
  • the belt drive 7 is freely programmable, the Drive motor can also be designed as a stepper motor and it is possible with the same insertion speed the transport star 1 in the band by appropriate Variation of the belt drive the exact and different Set the distance between the springs.
  • the two belt loops 8, 9 run over front ones Deflection rollers 16, 17 and are deflected there.
  • Figure 3 shows a perspective side view of a Transfer arrangement 6.
  • the springs 26 are synchronous in the band gap between the mutually driven belt loops 8, 9 held and are transported in the transport direction 40.
  • the transfer device 6 consists essentially of a Motor 19 or another rotary drive, the axis of rotation is rotatably connected to a crank 20.
  • the drive shaft of the motor 19 is non-rotatably with a Connecting rod 25 connected, which connecting rod on opposite end in the area of a pivot bearing 27 is held machine-proof and rotatable.
  • crank 20 The free, pivotable end of the crank 20 is one Crank pin 21 provided in a slot 22 one Lever 23 is freely movable. This lever 23 is in one stationary pivot bearing 24 rotatably mounted.
  • the free, upper end of the lever 23 is with a Connecting pin 28 rotatable with a sliding flange 29 connected.
  • a Connecting pin 28 rotatable with a sliding flange 29 connected.
  • the slides 30 and 31 are the slides 30 and 31 in the area of a holder 34 attached. It was mentioned at the beginning that this Bracket 34 allows sliders 30 and 31 in Transport direction 40 and in the opposite direction on the Slide flange 29 to move and determine.
  • Each slide consists of a spring steel sheet or another resilient, substantially U-shaped part whose free ends a slide block 32, 33 is arranged.
  • This slide block 32, 33 is preferably made of plastic formed and has a front, approximately vertically directed Slider edge with which this slider block fits the outer circumference of the respective upper and lower End turn of the respective spring 26 creates.
  • the ribbon loops 8, 9 are additionally by a Guide plate 37 and guided by a guide plate 39.
  • the distance between the belt loops 8, 9 as well as those arranged next to the belt loops 8, 9 Baffles 41, 42 to each other at different heights or Lengths can be adapted to the springs to be processed. This adjustment is known to the person skilled in the art and is therefore not further shown. The same applies to the distance between the subordinate ones Assembly pliers 43, 44.
  • the entire slide device is then switched on of the drive 19 rotated in the direction of arrow 47 so that the Slider flange 29 a linear displacement movement in Direction of arrow 35 and the entire row of springs (Spring assembly) in the direction of arrow 35 from the band gap correspondingly aligned guide vanes 41, 42 shifts and the end turns directly into the area of upper and lower assembly pliers 43, 44 of the inserted downstream assembly machine.
  • the Assembly pliers 43, 44 associated inlet slopes 49, 50 are present, which are directed obliquely towards each other. On this way it is ensured that when moving into this Assembly pliers 43, 44 the spring in the direction of its longitudinal axis is compressed once more, then after Overcoming the entry slope 49, 50 the spring to snap apart and snap into the corresponding receiving opening of the assembly pliers 43, 44 to bring.
  • the downstream assembly machine takes care of everything Spring package and assembles this spring package into a mattress, to a mattress core or to an upholstery core,
  • crank loop specified here is also a linear one Sliding drive of the sliding flanges 29 in the Arrow directions 35, 36 can be provided.
  • crank loop has the advantage that in Point of insertion of the respective spring 26 over the Inlet bevels 49, 50 a very low speed There is a spring, but a high force, so that the springs very securely in the receiving openings of the assembly pliers 43, 44 be inserted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Specific Conveyance Elements (AREA)
  • Automatic Assembly (AREA)
  • Special Conveying (AREA)
  • Wire Processing (AREA)
  • Intermediate Stations On Conveyors (AREA)

Claims (6)

  1. Dispositif pour transférer des ressorts sur une machine de montage, dans lequel les ressorts à transférer sont maintenus dans un dispositif de guidage, caractérisé en ce que pour le transfert des ressorts (26), il est prévu des coulisseaux (30) qui s'appliquent au niveau des spires extérieures des ressorts (26), qui se composent d'un matériau élastique et qui sont contraints l'un vers l'autre, côté extrémité.
  2. Dispositif de transfert selon la revendication 1, caractérisé en ce que les extrémités des coulisseaux (30) sont pourvues de supports de coulisseaux (32, 33).
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que l'écartement latéral entre les coulisseaux (30) est réglable.
  4. Dispositif de transfert selon l'une des revendications 1 à 3, caractérisé en ce que le dispositif de guidage est conçu sous la forme de bandes sans fin (8, 9) entraínées de façon synchrone.
  5. Dispositif de transfert selon l'une des revendications 1 à 4, caractérisé en ce qu'il est prévu un appui du dispositif de guidage (8, 9) dans la zone des coulisseaux (30).
  6. Dispositif de transfert selon l'une des revendications 1 à 5, caractérisé en ce que le dispositif de guidage (8, 9) et d'autres éléments (41, 42, 49, 50) montés en aval sont conçus avec un écartement réglable.
EP96117839A 1995-11-17 1996-11-07 Dispositif de transfert de ressorts à une machine d'assemblage Expired - Lifetime EP0774310B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19542844A DE19542844A1 (de) 1995-11-17 1995-11-17 Transfereinrichtung für Federn zu einer Montagemaschine
DE19542844 1995-11-17

Publications (2)

Publication Number Publication Date
EP0774310A1 EP0774310A1 (fr) 1997-05-21
EP0774310B1 true EP0774310B1 (fr) 2000-03-22

Family

ID=7777686

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96117839A Expired - Lifetime EP0774310B1 (fr) 1995-11-17 1996-11-07 Dispositif de transfert de ressorts à une machine d'assemblage

Country Status (5)

Country Link
US (1) US5788051A (fr)
EP (1) EP0774310B1 (fr)
JP (1) JP3313596B2 (fr)
DE (2) DE19542844A1 (fr)
ES (1) ES2145962T3 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH693142A5 (de) * 1998-12-24 2003-03-14 Spuehl Ag St Gallen Vorrichtung zum Drehen von auf einer Federwindemaschine hergestellten Federn.
CH692914A5 (de) * 1998-12-24 2002-12-13 Spuehl Ag St Gallen Vorrichtung zum Überführen einer aufrechtstehenden schraubenlinienförmig gewundenen Feder.
DE10063913A1 (de) * 2000-12-20 2002-07-04 Agro Federkernprod Gmbh Verfahren zur Herstellung eines Federkerns mit unterschiedlichen Festigkeitszonen
CH696028C1 (de) * 2002-07-26 2009-09-30 Spuehl Ag St Gallen Vorrichtung zum Ausrichten von Federn.
WO2005084849A1 (fr) * 2004-03-04 2005-09-15 Remex Ag Procede et dispositif de transfert de ressorts dans un assembleur
PL2316783T3 (pl) 2009-10-27 2013-03-29 Spuehl Ag Urządzenie i sposób przekazywania sprężyn
CA2970516A1 (fr) 2014-12-09 2016-06-16 Umit Elektronik Makina Sanayi Ve Ticaret A.S. Dispositifs d'enroulement de ressorts a tetes multiples et leurs procedes d'utilisation
CN104885665B (zh) * 2015-06-16 2017-01-25 江苏大学 一种用于半自动移栽机的钵苗自动喂苗机构
WO2017074273A1 (fr) 2015-10-21 2017-05-04 Veysel Kütüklü Mak. San. Ve Tic A. Ş Machine de production de ressorts, d'alignement des ressorts dans une rangée, de jonction des ressorts les uns aux autres et de formation d'un cadre à ressorts
CN108203069B (zh) * 2017-03-27 2024-04-09 浙江华剑智能装备股份有限公司 弹簧方位调整装置
CN108792444A (zh) * 2018-06-27 2018-11-13 苏州市蓄动源自动化科技有限公司 一种用于电子产品生产的传输装置
CN114194793B (zh) * 2022-02-16 2022-05-17 常州铭赛机器人科技股份有限公司 伸缩式推料装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB813117A (en) * 1955-08-05 1959-05-06 Frederick Gray Hodges Jr Apparatus for making spring units for mattresses, cushions and the like
US1887215A (en) * 1929-09-20 1932-11-08 Owen Automatic Spring Machiner Spring forming and assembling machine
US1948754A (en) * 1929-10-24 1934-02-27 Simmons Co Manufacturing spring assemblies
US2862630A (en) * 1952-08-08 1958-12-02 Wunderlich Spring Machinery Co Stacker mechanism for coil springs
US2878919A (en) * 1955-02-16 1959-03-24 R A Jones And Company Inc Article metering apparatus
DE1241403B (de) * 1960-11-23 1967-06-01 Spuehl Ag Stapelvorrichtung fuer Schraubenfedern
GB1152072A (en) * 1966-07-12 1969-05-14 Spuehl Ag Improvements in Machines for Manufacturing Spring Interiors
US3441064A (en) * 1967-07-19 1969-04-29 Kay Mfg Corp Means and method for separating and transferring nested coil springs
US3774652A (en) * 1972-01-21 1973-11-27 Wells F Co Spring transfer apparatus
GB1461671A (en) * 1974-01-10 1977-01-19 Elson Robbins Ltd Mattress making machinery
DE2923211A1 (de) * 1979-06-08 1980-12-11 Spuehl Ag Zentriervorrichtung an einer federkernmontagemaschine
DE3101014C2 (de) * 1981-01-15 1984-08-09 Spühl AG, St. Gallen Vorrichtung zum Zuführen von schraubenlinienförmigen Drahtfedern von mindestens einer Federwindemaschine zu einer Federkernmontagemaschine
US4492298A (en) * 1981-09-10 1985-01-08 Leggett & Platt, Incorporated Coil spring assembly machine
DE3416110C2 (de) * 1984-04-30 1986-10-02 Spühl AG, St. Gallen Maschine zur Erzeugung von Schraubenfedern
US4724590A (en) * 1986-12-22 1988-02-16 Hartco Company Apparatus and method for automatically securing borderwires on mattress innersprings

Also Published As

Publication number Publication date
DE59604752D1 (de) 2000-04-27
EP0774310A1 (fr) 1997-05-21
DE19542844A1 (de) 1997-05-22
US5788051A (en) 1998-08-04
JPH09225751A (ja) 1997-09-02
ES2145962T3 (es) 2000-07-16
JP3313596B2 (ja) 2002-08-12

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