EP1294634B1 - Procede et dispositif pour faire tourner et detendre des ressorts - Google Patents

Procede et dispositif pour faire tourner et detendre des ressorts Download PDF

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Publication number
EP1294634B1
EP1294634B1 EP01940040A EP01940040A EP1294634B1 EP 1294634 B1 EP1294634 B1 EP 1294634B1 EP 01940040 A EP01940040 A EP 01940040A EP 01940040 A EP01940040 A EP 01940040A EP 1294634 B1 EP1294634 B1 EP 1294634B1
Authority
EP
European Patent Office
Prior art keywords
spring
rod
spring pocket
springs
push rod
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
EP01940040A
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German (de)
English (en)
Other versions
EP1294634A1 (fr
Inventor
Werner Huss
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 St Gallen
Spuehl AG
Original Assignee
Spuehl AG St Gallen
Spuehl AG
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Filing date
Publication date
Application filed by Spuehl AG St Gallen, Spuehl AG filed Critical Spuehl AG St Gallen
Publication of EP1294634A1 publication Critical patent/EP1294634A1/fr
Application granted granted Critical
Publication of EP1294634B1 publication Critical patent/EP1294634B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • B68G2009/005—Devices for turning the springs 90° inside the pockets

Definitions

  • the invention further relates to a device for rotating and relaxing pressed into a block and inserted in a spring bag springs according to the preamble of the invention Patent claim 3.
  • Springs for the manufacture of mattresses, upholstered furniture, cushions and the like can be connected together in various ways to be coated in a connected state with covering materials and a coating material.
  • the present invention relates to springs which are inserted in rows into cotton or non-woven textile pockets, so-called spring-pocketed snakes, which spring-pocketed snakes later mutually interconnected, z. B. are welded or glued by ultrasound. After the springs have been manufactured on a spring coiling machine, they are pressed together in the axial direction to form a block, ie the spring turns lie completely against one another. In this compressed form, the insertion takes place in the spring pocket snake, which usually consists of a folded between its longitudinal edges Baumwollstoff- or nonwoven tape.
  • each spring is detected by a propeller-like wing whose horizontal axis is disposed above the compressed spring, a wing end and the upper end ring of the spring parallel to the pocket sections forming seams. This allows the spring to partially relax. As soon as the upper end turn has reached a certain distance with respect to the lower, fixed end turn, the spring rotates by itself and its axis now lies in the horizontal, ie parallel to the welds between the individual pocket sections.
  • a transversely movable to the spring pockets thrust fingers which also detects the compressed spring at the upper end ring and as far as laterally shifts until the spring by its own clamping force turns 90 °.
  • Another way to set up the springs is a rotating screw whose threads achieve the same effect.
  • Object of the present invention is to provide a method and a device for transferringStetaschten springs, the or ensures that all springs occupy the desired position in the pocket sections after passing through the device.
  • the method can be retrofitted into existing pocket spring machines and includes only a few maintenance-free parts that can be adapted to the springs to be processed with little effort.
  • the drive of the latter can be used directly for the drive of the push rod. It is a conversion with minimal effort possible.
  • FIG. 1 shows a spring pocket snake 1, in which on the right side in pocket sections six each compressed to a block springs 3 are. They assume this position after they have been inserted by a trained known insertion device in the direction of arrow P in the initially along the edge 5 open pocket portion a, b, c, d, e, f, gh, i. Between the individual springs 3, the spring pocket snake 1 is divided into a plurality of pocket sections by seams, for example, welded by ultrasound or seams 7 made by a sewing machine. After inserting the compressed Springs 3, the open side of the pocket sections is closed by a parallel to the snake 1 extending seam 9.
  • the three springs 3 shown on the left side have already been rotated by 90 ° by means of a spring-setting or spring-turning device.
  • the symmetry axes A of these springs 3 are now rotated by 90 ° to the original position.
  • the spring pocket snake 1 is advanced on a support and transport surface 11 by means not shown in the direction of the arrow S gradually.
  • the insertion of the compressed into a block springs 3 takes place, not visible in the figures, on the right side of the figure.
  • the now compressed within the pocket sections springs whose axes A are perpendicular to the transport surface pass through the feed steps in the region of a side of the edge 5 arranged push rod 13 whose lower leg 14 is in the starting position parallel to the edge 5 and over the length of several Pocket sections extends.
  • the push rod 13 is hinged at its end 21 about an axis B pivotally.
  • the other end 15 is fixed to a connecting rod 17, which connects to a linear drive 19, which allows a horizontal pivotal movement of the push rod 13 about the axis B.
  • An articulated connection 25 between the drive rod of the second linear drive 23 with the connecting rod 17 allows the necessary for the establishment of the springs 3 mobility.
  • the linear drive 19 at its end facing away from the push rod 13 27 pivotally connected to the machine frame (not shown).
  • the lower leg 14 of the rod 13 In the rest position (broken lines), the lower leg 14 of the rod 13 is parallel to the edge 5 of the spring pocket 1 and inclined at an acute angle to the plane of the transport surface 11.
  • Figure 1 already three springs in their final Position (horizontal axis A) in the pocket sections a, b, c. At these three springs 3 close the pocket sections di, in which the springs 3 are still pressed together as a block.
  • the push rod 13 or its lower leg 14 has been moved by the second linear drive 23 in the working position, in which the lower leg 14 is now parallel or substantially parallel to the transport surface 11 (see cross-sections according to Figures 9 and 10).
  • the leg 14 of the push rod 13 or attached to the leg 14 profile 29 or rotatably mounted on the rod 14 sleeve 31 are at a distance Y from the transport surface 11. The distance is such that the front edge 33 of the profile 29 and the front apex of the sleeve 31 is below the upper end ring 35 of the spring 3.
  • the first linear drive 19 now pivots the rod 13 about the axis B (arrow direction Z).
  • the spring 3 which is located in the pocket portion d, detected at or below its end ring 35 and moved transversely to the pocket coil 1. Now tilts the spring 3 within the pocket portion d and relaxes, so that their axis A at the end of the pivoting process is horizontal or parallel to the transport surface 11.
  • the adjacent spring 3 in the pocket portion e is also detected by the rod 13, but may not be completely overturned. If it has been only partially grasped, it may possibly return to the original compressed position when the bar 13 (FIG. 3) is raised. However, this does not matter, because the next advancement of the push rod 13, which is carried out after the pocket spring snake has been advanced by a pocket section width, the spring 3 is detected once more and as previously the spring 3 in the pocket section d set up.
  • the rod 13 can return to the starting position, it is, as already mentioned, raised by the second linear drive 23 at the end of the first working stroke and from the first linear drive 19 to the starting position returned (see Figure 4). Now the feed of the pocket spring snake can be done.
  • the pocket spring coil 1 is held at its edge 5 by a suitable, not shown, means to avoid displacement on the transport surface 13.
  • Spring mattresses can have different widths. This implies that a different number of pocket springs 3 or pocket spring sections are present in the pocket spring snakes 1. Also, the diameter of the springs 3 is different depending on the design of the spring core. At the end of such matched to the width of the spring core spring pocket snake 1 either a pocket portion is left empty or preferably a narrower blank section produced. In particular, by the generation of a narrower section (empty pocket) results in a positional shift between the push rod 13 and the position of the spring 3 with respect to the push rod 13. This shift can either be corrected by a corresponding correction of the feed or you can do without, because the invention Push rod 13 is able to set up springs 3, which are not always exactly the same place, also safe. From Figure 5 it is clear how such a shift v comes about and how it relates to the Distance between the two adjacent springs 3 affects.
  • Figs. 6 and 7 it is shown in what a simple way the erection device, i. the push rod 13 to the circumstances, i. the distance W between the individual springs 3 and spring pocket sections ( Figure 7) or the height H, is adjustable.
  • the adjustment of the insertion device when changing the distance w is done by simply moving along the arrows M; the adjustment of the device to the height H of the spring 3 is effected by the stroke of the first linear drive 19, which acts in a change of the pivot angle of the rod 13 about the axis B.
  • the front end E of the rod 13 or the roller 31 or the profile 29 is located between two springs 3. This makes it possible to ensure that the spring 3 does not catch on the edge E. In addition, the damage to the bag material is thus further reduced.
  • the linear actuator 19 is articulated about a horizontal axis C on the machine frame, not shown.
  • a spherical bearing or joint 25 is formed, which together with a pivotable about the axis q mounting plate 41, the deflection of the vertically extending guide member 18 of the rod 13 at Working stroke and balancing while lifting.
  • the lifting of the rod 13 is effected by the pneumatic cylinder (linear drive) 23, which is also articulated on the machine frame, not shown, and acts on the linear drive 19.
  • the first end 21 of the rod 13 is pivotably guided about the fixed axis B in a spherical bearing 43.
  • the drive device for the rod 13 shown in FIG. 11 corresponds to that which is used for the known folding or setting fingers known from the prior art and which can be used further as a drive for the rod 13.
  • both the linear drive 19 for the working stroke and the lifting drive 23 for lifting the bar 13 and the connection between the push bar 13 and the connecting bar 18 are connected to one another by spherical bearings. This allows a very simple and inexpensive to manufacture structural design.
  • the linear drive 19 is firmly connected to the machine frame (not shown).
  • the lifting drive 23 is connected to the front end of the drive rod 25 of the first drive 19.
  • the length compensation between the end of the push rod 13 and the fixed drive arrangement is effected by a slotted plate 47 which is attached to the end of the drive rod of the second linear actuator 23 is.
  • this could be adjustable in an inclined position, as shown in FIG. 6, perpendicular to the transport direction S via the pocket spring coil 1 and vertically adjustable (no illustration).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Springs (AREA)
  • Wire Processing (AREA)

Claims (10)

  1. Dispositif pour faire tourner et détendre des ressorts (3) qui sont comprimés en un bloc et introduits dans des compartiments (a, b, ...) d'un chapelet de sachets à ressorts (1), afin de fabriquer des sachets à ressorts pour matelas et analogues, caractérisé par les étapes de travail suivantes :
    a) immobilisation et maintien unilatéral du chapelet de sachets à ressorts (1) au niveau d'une arête longitudinale (5),
    b) pivotement d'une tige (13) située initialement sur le côté du chapelet de sachets à ressorts (1), qui s'étend dans la direction longitudinale du chapelet de sachets à ressorts (1) sur plusieurs ressorts ensachés (3), par-dessus les ressorts (3) situés latéralement à côté de celle-ci,
    c) saisie des ressorts (3) situés dans la zone de pivotement ou de déplacement de la tige (13) dans la zone des bagues d'extrémité (35) situées en haut, et rotation des ressorts (3) saisis à l'intérieur des compartiments (a, b, ...).
  2. Procédé selon la revendication 1, caractérisé en ce que la tige (13) est abaissée d'une position de repos dans la position de travail avant de la faire pivoter ou de la déplacer et, une fois sa course de travail achevée, est relevée et ramenée à sa position initiale en passant au-dessus du chapelet de sachets à ressorts (1).
  3. Dispositif pour faire tourner et détendre des ressorts (3) qui sont comprimés en un bloc et logés dans un sachet à ressorts (1), afin de fabriquer des suspensions pour matelas et analogues, comprenant un organe de rotation pouvant être déplacé transversalement au sachet à ressorts (1), qui saisit le ressort (3) à travers le chapelet de sachets à ressorts (1), et un moyen pour immobiliser temporairement le sachet à ressorts (1) au niveau de l'une des arêtes longitudinales (5) lorsque l'on fait tourner le ressort (3), caractérisé en ce que l'organe de rotation comprend une bielle (13) qui est montée de manière à ce qu'un entraînement (19) puisse la faire pivoter ou coulisser avec un angle aigu par rapport à la direction de transport (S) du chapelet de sachets à ressorts (1).
  4. Dispositif selon la revendication 3, caractérisé en ce que la bielle (13) est reliée par une extrémité (21) à une articulation et par l'autre extrémité (15) au premier entraînement (19), et en ce qu'un second entraînement agit sur la bielle (13) ou sur le premier entraînement (19) afin de lever et d'abaisser une extrémité de ladite bielle.
  5. Dispositif selon la revendication 3 ou 4, caractérisé en ce qu'un rail profilé (29) est réalisé sur la bielle (13) ou en ce qu'un rouleau tubulaire (31) entourant la bielle (13) est posé sur la bielle (13).
  6. Dispositif selon l'une des revendications 3 à 5, caractérisé en ce que la bielle (13) peut être positionnée et déplacée dans la direction de transport (S) du chapelet de sachets à ressorts (1) et/ou perpendiculairement au support (11).
  7. Dispositif selon l'une des revendications 3 à 6, caractérisé en ce que la course du premier entraînement (19) est réglable.
  8. Dispositif selon l'une des revendications 3 à 7, caractérisé en ce que la tige (13) peut être déplacée dans la direction de transport (S) du chapelet de sachets à ressorts (1).
  9. Dispositif selon l'une des revendications 3 à 8, caractérisé en ce que l'angle de pivotement de la tige (13) est réglable.
  10. Dispositif selon la revendication 3 ou 9, caractérisé en ce que la hauteur de travail (g) de la tige (13) est réglable par rapport à la surface d'appui du chapelet de sachets à ressorts (1) sur le support (11).
EP01940040A 2000-06-27 2001-06-25 Procede et dispositif pour faire tourner et detendre des ressorts Expired - Lifetime EP1294634B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH126700 2000-06-27
CH12672000 2000-06-27
PCT/CH2001/000392 WO2002000545A1 (fr) 2000-06-27 2001-06-25 Procede et dispositif pour faire tourner et detendre des ressorts

Publications (2)

Publication Number Publication Date
EP1294634A1 EP1294634A1 (fr) 2003-03-26
EP1294634B1 true EP1294634B1 (fr) 2006-04-05

Family

ID=4565101

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01940040A Expired - Lifetime EP1294634B1 (fr) 2000-06-27 2001-06-25 Procede et dispositif pour faire tourner et detendre des ressorts

Country Status (7)

Country Link
US (1) US6751933B2 (fr)
EP (1) EP1294634B1 (fr)
JP (1) JP4792194B2 (fr)
AT (1) ATE322459T1 (fr)
AU (1) AU2001273756A1 (fr)
DE (1) DE50109442D1 (fr)
WO (1) WO2002000545A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE527152C2 (sv) * 2003-12-12 2006-01-10 Stjernfjaedrar Ab Separerad pocketmadrass med uppskurna strängar, samt metod och anordning för dess tillverkning
US10499746B2 (en) * 2014-12-09 2019-12-10 Ümit Elektronik Makina Sanayi Ve Ticaret A.S. System for manufacturing string of coiled pocketed springs
US11013340B2 (en) * 2018-05-23 2021-05-25 L&P Property Management Company Pocketed spring assembly having dimensionally stabilizing substrate
CN113860252B (zh) * 2021-09-15 2022-06-24 广州市联柔机械设备有限公司 一种袋装弹簧床网制备装置及方法
KR102550826B1 (ko) * 2023-01-09 2023-07-03 주식회사 시몬스 포켓 스프링 조정 장치

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1352157A (en) * 1919-09-05 1920-09-07 Louis A Suekoff Spring-inserting tool
US1592838A (en) * 1924-06-05 1926-07-20 Nat Spring & Wire Company Spring-handling implement
US1950186A (en) * 1931-03-18 1934-03-06 Karpen & Bros S Coil spring inserting machine
US1995641A (en) * 1932-01-30 1935-03-26 Karpen & Bros S Upholstery spring turning and positioning machine
US2605947A (en) * 1948-06-29 1952-08-05 Murray Corp Machine and method for magnetically turning springs in pockets
US3441064A (en) * 1967-07-19 1969-04-29 Kay Mfg Corp Means and method for separating and transferring nested coil springs
GB9312155D0 (en) * 1993-06-12 1993-07-28 Carobel Foam Ltd Compression packed foam pet bed
US6036181A (en) * 1998-02-04 2000-03-14 L&L Property Management Company Spring assembly
JP2000015377A (ja) * 1998-06-26 2000-01-18 Matsushita Kogyo Kk 収納型コイルバネ製造装置
GB9813805D0 (en) * 1998-06-27 1998-08-26 Harrison Bedding Limited A Spring units
US6021627A (en) * 1998-08-24 2000-02-08 L & P Property Management Company Manufacture of pocketed compound nested coil springs

Also Published As

Publication number Publication date
DE50109442D1 (de) 2006-05-18
ATE322459T1 (de) 2006-04-15
JP2004501698A (ja) 2004-01-22
WO2002000545A1 (fr) 2002-01-03
JP4792194B2 (ja) 2011-10-12
AU2001273756A1 (en) 2002-01-08
US6751933B2 (en) 2004-06-22
EP1294634A1 (fr) 2003-03-26
US20030163977A1 (en) 2003-09-04

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