EP0453543B2 - Appareil pour retourner les bas automatiquement pour une machine a remailler - Google Patents

Appareil pour retourner les bas automatiquement pour une machine a remailler Download PDF

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Publication number
EP0453543B2
EP0453543B2 EP90916734A EP90916734A EP0453543B2 EP 0453543 B2 EP0453543 B2 EP 0453543B2 EP 90916734 A EP90916734 A EP 90916734A EP 90916734 A EP90916734 A EP 90916734A EP 0453543 B2 EP0453543 B2 EP 0453543B2
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EP
European Patent Office
Prior art keywords
stocking
belts
turning
gripper
photocell
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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.)
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EP90916734A
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German (de)
English (en)
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EP0453543B1 (fr
EP0453543A1 (fr
Inventor
Pietro Rosso
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Rosso Industrie SpA
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Rosso Industrie SpA
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06G—MECHANICAL OR PRESSURE CLEANING OF CARPETS, RUGS, SACKS, HIDES, OR OTHER SKIN OR TEXTILE ARTICLES OR FABRICS; TURNING INSIDE-OUT FLEXIBLE TUBULAR OR OTHER HOLLOW ARTICLES
    • D06G3/00—Turning inside-out flexible tubular or other hollow articles
    • D06G3/02—Turning inside-out flexible tubular or other hollow articles by mechanical means

Definitions

  • the invention relates to an automatic hosiery turning device, that combined with a linking machine can be.
  • hosiery turning devices are already known where a rod or a rail is provided is the tubular knitted fabric already closed by sewing at its tip Stockings pulled up and at the same time, starting from the tip, rotating in opposite directions with the help of a pair, parallel rollers that are turned elastically pressed the opposite sides of the rod (US-A 4 627 557).
  • the invention is based on the object To make the hosiery device available which Compound with a warping machine works automatically and the mentioned disadvantages of the known systems avoids, taking effective measures to be in the correct position of the stocking during control the wedging process on the rod.
  • the longitudinal guide elements is slidably mounted, which of the housing towards the dispensing zone with the to the hosiery machine stand out, the displacement of the carriage on the longitudinal guide elements of a pneumatic cylinder is controlled.
  • the gripper with one Connected carriage, first jaw and a second Jaw has a pivot on the first
  • the jaw is articulated, which is parallel to the vertical Shifting plane of the turning bar runs when the gripper is located between the two upper belts.
  • the second jaw can be moved a pneumatic cylinder is used relative to the first jaw become.
  • the first jaw of the gripper can be pivoted about a vertical axis of rotation connected to the sled so that it is between one essentially tangential to the circumferential line of the slewing ring the position of the warping machine and one parallel to the vertical displacement plane of the turning bar current position is pivotable.
  • the Rotation of the first jaw relative to the carriage preferably controlled by a pneumatic cylinder.
  • the stabilizer is a pair mutually identical, straight combs which is symmetrical on both sides of the vertical Shifting plane of the turning bar arranged and are attached to the upper end of support arms that also equally designed with each other and with both Sides of the vertical shift plane lie and to run obliquely downwards, the lower ones Ends are attached to axes of rotation.
  • the support arms are moved by a pneumatic cylinder driven.
  • An essential feature of the invention is in that the support structures for each band each Belt pair made of plate or cuboid bearing blocks exist that can be moved on horizontal guides stored and in pairs with a pantograph lever system which are connected via Pneumatic cylinder can be driven such that the bearing blocks during its adjustment movement with respect to the vertical Shifting plane of the turning bar always the same Have distances to this level. There are means to set the minimum distance between the Bearing blocks provided on which the respective Band pairs are stored.
  • a fixed housing 1 which for The turning device is accommodated and stored, whose turning organs are designated by 2.
  • the turning organs 2 have an elongated turning bar 3, the free end of which faces down and the by means of a box-shaped guide 5 in front of the front wall 4 of the housing 1 is mounted so that it between an upper end position ( Figures 1 and 6) a lower End position ( Figure 9) can be moved.
  • a pneumatic cylinder 6 on the box-shaped Guide 5 is attached.
  • the bands are arranged symmetrically on this plane and have a distance in the "open" state to this level if the device has no function exercises.
  • the upper pair of bands 7 is at such a height arranged that it is between its levels, each other opposite dreams the lower end of the Turning stick 3 picks up when this is in its top position.
  • the bands 7 and 8 are preferably made of one Made of elastomeric plastic with the lengthways running, inner steel fibers is reinforced. On their outside, which is in contact with the stocking fabric comes, the tapes have V-shaped transverse grooves, which extend across the entire width of the tapes.
  • Each belt 7 and 8 is guided over two rollers 9 and 10, which are particularly good in Figures 6 to 10 recognize and are driven by a role is.
  • the upper rollers 9 for the upper belts 7 and the lower rollers 8 for the lower belts 10 driven.
  • the roller pairs 9, 10, over which the upper bands 7 run, are in each a bearing block 11 or 12 stored, the cuboid or is plate-shaped.
  • the bearing blocks 11, 12 are slidably mounted on transverse axes 13 and 14, which is perpendicular to the vertical working plane of the turning bar 3 run, the bearing blocks 11 and 12 have the same distances from this level and by means of a pneumatic cylinder 15 this level at the same time can be approximated or removed from this.
  • the required minimum distance between the two bearing blocks 11 and 12 and consequently between the directly opposite dreams of Bands 7 can be adjusted using a knob 16 with a scale ring can be set.
  • FIG. 4 in which the distance between the top and bottom Band pair is drawn in excessively large to increase the clarity of the display.
  • a motor is used 17, which is housed in the upper part of the housing 1 is. This drives on belts 18, 19 and 20 as well Gears 21 and 22 on the rollers 9.
  • the corresponding one Drive for the rollers 10, via which the two lower ones Bands 8 run, is constructed in an analogous manner. The only difference is that the arrangement mirror-symmetrical to a horizontal plane is. For these reasons, the description is repeated waived, suffice it that the corresponding components have the same reference numbers with the addition of a prime.
  • transverse axes 13, 14 and 13 ', 14' are in the housing 1 via C-shaped profile body 23, 24 or 23 ', 24' fixed.
  • a lever system 25 or 25 'is provided which in essentially acts as a parallelogram link and with the associated bearing blocks 11 and 12 or 11 'and 12 'is connected.
  • Figure 4 shows the upper bearing blocks 11 and 12 associated lever system 25, the is hinged to a fixed support bracket 25a.
  • the adjusting knob 16 has a cam-shaped end face 16a with notches into which a finger 24a snap can, which is attached to the profile body 24, which is in turn fixed in the housing 1. If the Turn knob 16 clockwise according to arrow 16b is, the transverse axis 14 against the action of a Spring 23a are adjusted, which in turn tries the To shift the transverse axis 14 to the right (see FIG 4). This movement is via a lock nut 14 (in Figure 4 is the locknut 14'a for the lower system for lateral displacement of the bands 8 shown) on the Transfer bearing block 11.
  • the transfer device for the acceptance of a turning stocking from the warping machine and to Forwarding to the turning organs is particularly in Figures 1, 2, 3 and 11 shown.
  • This transfer device has a pincer-shaped Gripper 26 with two jaws 27 and 28, one over Pivots 29 pivotally mounted to each other are.
  • the pivot 29 lies in a horizontal plane and extends in the longitudinal direction of the gripper 26, so that the opposing gripping edges 27 'and 28' of the jaws in a horizontal plane lie.
  • the gripper 26 is normally operated by a spring 30 held in its closed position.
  • This Spring 30 is in an area above the pivot 29 inserted between the two jaws 27 and 28. Is located below the two jaws 27 and 28 a pneumatic cylinder 31, which is used to open the gripper 26 serves.
  • the jaw 27 of the gripper 26 is fixed to one Support arm 32 attached to the side of the lower end of a slide 33 protrudes.
  • the carriage 33 is on two horizontal longitudinal guide elements 34 and 35 slidably stored parallel to the vertical working plane run in which the turning bar 3 moves.
  • the longitudinal guide elements 34 and 35 are in one Console 36 attached to the side of the pairs of bands 7 and 8 on the front wall 4 of the housing 1 is attached.
  • a pneumatic cylinder 37 in the housing 1 housed the carriage 33 on the longitudinal guide elements 34 and 35 moves so that the gripper 26 on a predetermined straight path between one with respect to the turning organs 3, 7, 8 outer Position and an inner position is shifted in which is located between the upper bands 7, the opposing, interacting Gripping edges 27 'and 28' of the two jaws 27 and 28 parallel to the vertical working plane of the turning bar 3 lie.
  • the parts are dimensioned so that in the latter position, the gripping edge 27 'of on the support arm 32 attached jaw 27 something about this vertical working level protrudes into one of the console 36 pioneering direction.
  • the gripper 26 When the gripper 26 is in the outer position is located, it is above the delivery zone 40 of the straight line trained warping machine 41 (see FIG. 1 and 3).
  • the stockings with the laces already sewn on, which are already trimmed or sewn are in the delivery zone 40 brought by a conveyor belt 42, that works with a carriage 42a, the by two springs, not shown, against the conveyor belt 42 is pressed.
  • a pneumatic cylinder 42b To the carriage 42a of To remove the conveyor belt 42 is a pneumatic cylinder 42b provided.
  • the gripper 26 comes open in this position, and that of the conveyor belt 42 stocking fed towards the turning device stops as soon as he the with respect to the gripper 26 has reached the correct position.
  • “Correct position” means the situation which ensures that after closing of the gripper 26 and its displacement in the direction the “inner position” is that shown in FIG Sack S in the top of the stocking next to the Seam area is formed and still closed by the gripper is held with respect to the lower end of the Turning bar 3 is centered (the vertical longitudinal median plane of the turning bar 3 coincides with the vertical longitudinal median plane of the two pairs of bands 7 and 8 together). This condition must be met in order to subsequently use the To be able to turn your stocking flawlessly and without problems.
  • a stabilizing device which has the task of aligned position of the stocking during the turning process to control. It has two combs 46 which are equally designed and symmetrical to each other on both sides of the vertical working plane of the turning bar 3 are arranged. They extend at right angles to the front wall 4 of the housing 1 and are on attached upper end of two support arms 47, which also equal to each other and to the vertical mentioned Working plane are arranged symmetrically. The both support arms 47 are slightly spread upwards, and their lower ends are each about an axis of rotation 48 swivel-mounted, the right angle to the front wall 4 runs.
  • pneumatic cylinder 49, 50 actuated in Housing 1 is housed and the two support arms 47 in the desired direction about its respective axis of rotation 48 pivots.
  • the smallest distance between the two combs 46 can be set via a device which is constructed similarly to the one with whose help the minimum distance between bands 7 and 8 is set becomes.
  • Figure 5 shows that this device Rod 51 has an adjusting knob 52 attached is, which is outside the housing 1 and the front is designed as a cam 53 with notches in which a finger 54 can snap into place, which is attached to the housing 1 is.
  • a spring 55 pushes the rod 51 in the direction the left edge of Figure 5.
  • One on the rod 51 attached locknut 56 acts on the right arm 47 in the sense that she tries to get him from the left To remove support arm 47. On this the swivel movement transmitted over tooth sectors 57 which on the axes of rotation 48 are mounted.
  • the hosiery device with one programmable control unit 59 which with the magnetic sensors 38 and 39, with the photocells 43 and 58, with motors 17 and 17 'as well connected to all pneumatic cylinders explained above is.
  • this control unit 59 can coordinate the functions of these elements be the turning cycles for the stockings by come from the chaining machine, perform smoothly to be able to.
  • the displacement of the slide 33 has ended, as soon as the gripper 26 between the two upper bands 7, the stocking 44 between the two lower bands 8 hangs and the Combs 46 assume an open position (see FIG 6). Due to the fact that the sack S, which is next to the top of the stocking gripped by the gripper 26 44 lies, i.e. to the side of the vertical work plane of the turning bar 3, and due to the centered position the tip is located with respect to the jaws 27 and 28 the sack S is just below the lower end of the Turning stick 3. The stocking 44 darkens the photocell 58, which is inactive in this phase.
  • the stabilizer provides with the combs 46 for the stocking during excited about his upward movement remains so that it will stretch if it turns or would kink, so that jamming or tilting the turning bar 3 in the cavity the heel or in the doubled, elastic, free Edge of the leg part of the stocking is prevented.
  • the belts 7 rotate and 8 further in the direction of the arrows, see above that the stocking is pushed up on the turning bar 3 becomes.
  • the control unit 59 sets the following functions in motion become.
  • the advantages of the hosiery device according to the Invention are due to the special properties numerous and of special, practical importance. Because the diameter of the rolls over which the tapes run, can be relatively small (e.g. 34 mm), is the one clamped between the lower bands 8 Stocking little over the top of the Clamping zone (in practice about 22 mm), so that there is no danger that he can lean to the side, which is why the downward turning bar 3 is safe enters the sack, which is on one side of the sewn on Top of the stocking is located.
  • the contact zone between the two gripping edges 27 ', 28' of Baking the closed gripper 26 on one side the vertical working plane of the turning bar 3 is located (generally 5 mm laterally offset to this Level), it is ensured that the turning bar 3 always enters this sack exactly, even if the turning device combined with a straight-line warping machine is, then the sack from the belt conveyor is held until the looper sews the tip of the Stockings captured.
  • V-shaped Have cross grooves so that stockings with very loose stitches are not damaged when turning, because the continuous quemutes worked loosely Can neither grasp nor remove threads.
  • the time required for a turning operation is relatively short, because the turning bar 3 during its movement between the upper and the lower End position does not stop. Because the lower Bands 8 that are involved in the turning process, too serve to pull the stocking down and to reverse their direction of rotation, it is ensured that no friction acts on the stocking, what before excludes all damage to terry socks.
  • the turning bar stops as it moves down 3 in such a position that its lower End located below the lower bands 8. That has the advantage that the lower bands 8 are not on the area act on the sewn tip of the stocking, but only on the foot area. In this is namely the opposite direction of the stitches of those in the top of the stocking, so that in the one below Part of the danger is avoided that the Mesh of a terry sock be raised.
  • both bands each pair are driven because this makes each relative Avoid shifting the height of the hosiery is, which are located on both sides of the turning bar 3.
  • the fixed connection between the combs 46 and its support arms 47 allows the stocking to always be well tensioned and during the turning process keep exactly aligned, avoiding the danger is that the turning bar 3 in the heel or canted in the upper edge of the leg part of the stocking or jammed if the stockings are double elastic or the upper margin is double. Simultaneously relieved the drive of the support arms carrying the combs 47 by means of a pneumatic cylinder of the hosiery device on stockings different Thick.
  • the hosiery device according to the invention can also be used to turn children's stockings if they have a length that of the combs 46 can be held.
  • the device can however easily on stockings of small sizes up to one Minimum length of 18 cm can be adjusted. This is enough it is to remove the photocell 58 and the To program the control unit so that the time for one Turning process is fixed, including the downward stroke of the turning bar 3 reduced accordingly and the combs 46 approximate the lower bands 8 become.
  • Removing the stocking that has already been turned downwards is favored by the fact that the upper Bands 7 that are at the beginning of the cycle in the same Turn direction like the lower bands 8 during the Withdrawal phase is stopped and thereby the downward movement brake the stocking slightly.
  • the upper bands 7 and the lower bands 8 are simultaneously towards the vertical working plane the turning bar 3 moved and withdrawn from this plane, for which each pair of belts with a pneumatic cylinder connected is.
  • This measure can the minimum distance of the tapes from the above Level can be set easily and very precisely, so that the hosiery device easily and precisely to the treatment adapted from stockings of different thicknesses can be without special training Personnel is required.
  • the one for this setting required operation is so simple that it can be carried out by any operator can that on the linking machine and the hosiery device is working. It is enough for each pair of bands just turn the corresponding knob, which is graded and easily accessible is. In this way, the smallest distance between the tapes from the vertical working plane of the turning bar 3 can be set with micrometer accuracy.
  • the hosiery device with the explained features and advantages is extremely reliable, very adaptable and easy to operate, so that not itself specially trained personnel can.
  • the jaw 27 'of the gripper 26' is not rigidly attached to the support arm 32 of the carriage 33, but pivotable about a vertical axis of rotation 60.
  • the gripper 26 'in the direction of the turning organs it is moved by a pneumatic cylinder 61 a position shown in broken lines in FIG. 11, in which he removes the stocking from the needles 62 of the slewing ring the linking machine 41 'takes over into one position rotated, which is essentially parallel to the vertical working plane of the turning bar 3 runs and in Figure 11 is drawn with solid lines.
  • the gripping edges of the two grasping the stocking Jaws 27 'and 28' are curved in this case formed, the curvature to the circular arc shape the turntable of the needles 62 is adapted.
  • the plate 45 which is the photocell 43 carries, curved (not shown in Figure 11), so that the adjustment of the position of the photocell 43 to the width of the stocking in that the plate 45th with the photocell in the circumferential direction of the slewing ring 62 is adjusted.
  • Another variant can be that the Pneumatic cylinder 6, which is used to drive the turning bar 3 is provided, with magnetic sensors 63, 64 and 65 is equipped (see FIG. 1), which of the control unit 59 report when turning stick 3 reaches its top reached its lowest and middle position Has.
  • the carriage can also 33 controlling pneumatic cylinders 37 a middle one Have magnetic sensor 66.
  • the magnetic sensors provided in the middle area 65 and 66 have the advantage that they have the control unit 59 initiate certain functions, before the gripper 26 and / or the turning bar 3 the has reached the respective end position.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Sewing Machines And Sewing (AREA)

Claims (22)

  1. Appareil pour retourner les bas automatiquement, qui peut être combiné avec une machine à remailler, comprenant :
    des organes de retournement (3, 7, 8) supportés par un bâti (1) et comprenant :
    une barre de retournement verticale (3) dont l'extrémité libre est dirigée vers le bas,
    une première paire de bandes supérieures (7) et une deuxième paire de bandes inférieures (8) fermées tournant dans le sens longitudinal et dont les brins plats évoluent de façon parallèle par rapport au plan de travail et de translation vertical de la barre de retournement (3), sont disposées de façon symétrique par rapport aux côtés opposés de ce plan et présentent normalement par rapport à ce plan un écartement quand l'appareil n'est pas en marche,
    où chacune des bandes (7, 8) tourne sur deux bobines (9, 10), dont au moins une est entraínée, les deux bobines étant logées dans une structure de support (11, 12; 11', 12') où les deux structures de support affectées à chaque paire de bandes peuvent être rapprochées ou éloignées simultanément du plan de travail vertical de la barre de retournement (3),
    un dispositif de transfert destiné à recevoir de la machine à remailler (41) les bas (44) à retourner et à les transférer aux organes de retournement (2), où
    le dispositif de transfert possède une pince (26) avec deux joues (27, 28) dont les deux bordures de prise opposées (27', 28') sont adaptées l'une à l'autre et se trouvent essentiellement dans un plan horizontal, et
    des moyens (30, 31) d'ouverture et de fermeture des joues (27, 28) sont prévus,
       caractérisé par le fait
    que la barre de retournement verticale (3) dans le bâti (1) est logée de façon ajustable dans le sens longitudinal entre deux fins de course inférieure et supérieure et est reliée à des moyens d'entraínement (6) assurant le déplacement longitudinal,
    la première paire de bandes (7) recevant entre ses brins directement opposés l'extrémité libre de la barre de retournement (3) quand celle-ci se trouve dans sa position de fin de course supérieure,
    que des moyens (37) sont prévus pour le déplacement de la pince (26) sur une trajectoire donnée entre deux fins de course, à savoir une position extérieure par rapport aux organes de retournement (3, 7, 8) et une position intérieure entre les bandes (7) de la paire de bandes supérieures; dans ce cas, les deux bordures de prise (27', 28') opposées des joues (27, 28) de la pince (26) évoluent parallèlement au plan de translation vertical de la barre de retournement (3), et
    qu'un dispositif de stabilisation (46, 48) pour le contrôle de la position alignée du bas (44) est logé sur le bâti (1) pendant l'opération de retournement et est disposé sous la paire de bandes inférieures (8),
    étant prévus en outre
    une cellule photo-électrique (43) dans la zone de distribution (40) de la machine à remailler (41) accouplée à l'appareil pour retourner les bas, la cellule photo-électrique (43) donnant une impulsion quand le bas qui doit être saisi par la pince (26) a atteint une position centrée par rapport aux joues (27, 28),
    un premier et un deuxième capteur magnétique (38, 39) pour l'émission d'impulsions quand la pince (26) a atteint sa position extérieure ou intérieure par rapport aux organes de retournement (3, 7, 8), et
    une unité de commande programmable (59) destinée à actionner les moyens d'entraínement pour le dispositif de transfert avec la pince (26) correspondante, pour les bobines d'entraínement des deux paires de bandes (7, 8), pour les structures de support (11, 12; 11', 12') des paires de bandes ainsi que pour le dispositif de stabilisation du bas à retourner, cet actionnement s'effectuant à l'aide d'instructions que l'unité de commande (59) reçoit de la cellule photo-électrique (43) et des capteurs magnétiques (39, 39) de sorte qu'il se déroule un cycle automatique pour l'alimentation et le retournement des bas qui arrivent de la machine à remailler (41) dans l'appareil pour retourner les bas.
  2. Appareil pour retourner les bas selon la revendication 1, caractérisé par le fait que la trajectoire de mouvement de la pince (26) est définie de telle sorte que la zone de contact entre les bordures de prise (27', 28') opposées l'une à l'autre des joues (27, 28) de la pince (26) est décalée latéralment par rapport au plan de mouvement vertical de la barre de retournement (3) de telle sorte que contre l'extrémité inférieure de la barre de retournement (3) est orienté le sac (S) qui est formé du côté de la pointe cousu du bas qui est saisi par la pince (26) dès que celle-ci se trouve dans la position intérieure entre les deux bandes supérieures (7).
  3. Appareil pour retourner les bas selon les revendications 1 ou 2, caractérisé par le fait que la pince (26) est maintenue sur un chariot (33) logé de façon ajustable sur les éléments de guidage longitudinal (34, 35) qui dépassent du bâti (1) en direction de la zone de distribution (40) de la machine à remailler (41) accouplée à l'appareil pour retourner les bas.
  4. Appareil pour retourner les bas selon la revendication 3, caractérisé par le fait que les moyens d'entraínement pour le mouvement de translation de la pince (26) le long de la trajectoire définie, possèdent un vérin pneumatique (37) pour le déplacement du chariot (33) sur les éléments de guidage longitudinal (34, 35) entre deux fins de course, à savoir une fin de course où la pince (26) se trouve dans une position extérieure par rapport à la zone de distribution (40) de la machine à remailler (41) et une position intérieure dans laquelle la pince (26) se trouve entre les deux bandes supérieures (7).
  5. Appareil pour retourner les bas selon les revendications 3 ou 4, caractérisé par le fait que la pince (26) possède une première joue (27) reliée au chariot (32, 33) ainsi qu'une deuxième joue (28) articulée par un pivot (29) sur la première joue (27), pivot qui est parallèle au plan de translation vertical de la barre de retournement (3) quand la pince (26) se trouve entre les deux bandes supérieures (7).
  6. Appareil pour retourner les bas selon la revendication 5, caractérisé par le fait que, dans le cas d'une combinaison avec une machine à remailler (41) disposée en ligne droite, la première joue (27) est solidaire du chariot (32, 33) de sorte qu'elle est toujours parallèle au plan de translation vertical de la barre de retournement (3).
  7. Appareil pour retourner les bas selon la revendication 5, caractérisé par le fait que, dans le cas d'une combinaison avec une machine à remailler (41') circulaire, la première joue (27') de la pince (26) est relièe de façon basculable au chariot (32, 33) autour d'un pivot vertical (60), de telle sorte qu'elle puisse basculer entre une position principalement tangentielle par rapport à la circonférence de la couronne tournante (62) de la machine à remailler (41') et une position parallèle au plan de translation vertical de la barre de retournement (3).
  8. Appareil pour retourner les bas selon la revendication 7, caractérisé par le fait que, pour le pivotement de la joue articulée (27') sur le chariot (32, 33), il existe un vérin pneumatique (61) disposé entre le chariot et la joue pivotante (27').
  9. Appareil pour retourner les bas selon l'une des revendications précédentes, caractérisé par le fait que les moyens d'ouverture et de fermeture du bras de pince (26) possèdent un vérin pneumatique (31), placé entre les deux joues (27, 28) de la pince (26) en dessous du pivot commun (29), un ressort (30) étant placé au-dessus du pivot (29) entre les deux joues (27, 28).
  10. Appareil pour retourner les bas selon l'une des revendications précédentes, caractérisé par le fait que le dispositif de stabilisation possède une paire de peignes (46) identiques à déplacement rectiligne disposés de facon symétrique des deux côtes du plan de translation vertical de la barre de retournement (3) et fixés à l'extrémité supérieure de bras de support (47) également identiques et situés des deux côtes du plan de translation vertical de la barre de retournement (3) et inclinés vers le bas par rapport à ce plan, les extrémités inférieures étant fixées sur des pivots (48).
  11. Appareil pour retourner les bas selon la revendication 10, caractérisé par le fait que les angles que forment les deux bras de support (47) avec le plan de translation vertical de la barre de retournement (3) sont égaux aux angles formés par les deux peignes (46) avec l'horizontale.
  12. Appareil pour retourner les bas selon la revendication 10 ou 11, caractérisé par des moyens de rapprochement et d'éloignement simultané des deux peignes (46) vers ou depuis le plan de translation vertical de la barre de retournement (3), moyens qui tournent les bras de support (47) avec leurs peignes (46) autour de l'axe de rotation (48) correspondant, dans le sens opposé.
  13. Appareil pour retourner les bas selon la revendication 12, caractérisé par le fait que les moyens consistent en un vérin pneumatique (50) relié aux bras de support (47).
  14. Appareil pour retourner les bas selon la revendication 13, caractérisé par des moyens (51, 52, 56) de réglage d'un écartement minimum entre les deux arêtes de travail des deux peignes (47) opposées au plan de travail vertical de la barre de retournement (3).
  15. Appareil pour retourner les bas selon l'une des revendications précédentes, caractérisé par le fait que les structures de support pour chaque bande (7, 8) de chaque paire de bandes sont composées par des paliers (11, 12; 11', 12') en forme de plaque ou de parallélépipède étant montés à déplacement sur des guidages horizontaux et reliés par paire à un système de levier-pantographe (25) qui peut être entraíné par des vérins pneumatiques (15, 15') de telle sorte que les paliers (11, 12; 11', 12') se déplacent toujours avec les mêmes distances par rapport au plan de translation vertical de la barre de retournement (3).
  16. Appareil pour retourner les bas selon la revendication 15, caractérisé par des moyens (14a, 16) de réglage de l'écartement minimum entre les paliers (11, 12; 11', 12') sur lesquels sont logées les paires de bandes correspondantes.
  17. Appareil pour retourner les bas selon l'une des revendications précédentes, caractérisé par une deuxième cellule photo-électrique (58) disposée entre la paire de bandes inférieures (8) et le dispositif de stabilisation (46, 47, 48, 50) qui se trouve en dessous, sur un côté du plan de translation vertical de la barre de retournement (3), de telle sorte que cette cellule se trouve face à la trajectoire de mouvement que le bas effectue avant le retournement et pendant son alimentation, la fin de course inférieure de la barre de retournement (3) étant déterminée par le fait que l'extrémité inférieure de la barre se situe en dessous des bandes inférieures (8) et au-dessus de la deuxième cellule photo-électrique (58).
  18. Appareil pour retourner les bas selon la revendication 17, caractérisé par le fait que la deuxième cellule photo-électrique (58) est accouplée à l'unité de commande programmable (59) de telle sorte que, quand elle n'est plus obscurcie par le mouvement ascendant d'un bas à retourner, elle commande l'ouverture des peignes (46) de l'unité de stabilisation, l'interruption, avec un faible retard, du mouvement des deux bandes supérieures (7), le début du mouvement ascendant de la barre de retournement (3) ainsi que l'inversion du sens de rotation des deux bandes inférieures (8); les deux bandes inférieures (8) continuent à tourner quand la deuxième cellule photo-électrique (58) est à nouveau obscurcie par le bas (44) tiré vers le bas, ce qui arrête également la rotation des deux bandes supérieures (7) dès que la cellule photo-électrique (58) est à nouveau obsurcie par le bas (44) libéré des bandes qui tombe de la barre de retournement (3) et, enfin, l'ouverture finale des bandes (7 et 8) des deux paires de bandes ramenant l'appareil pour retourner les bas dans sa position initiale, où il est prêt pour un nouveau cycle de retournement dès que la première cellule photo-électrique (43) détecte l'arrivée du bas suivant sur la pince (26) ainsi que sa position centrée par rapport à elle.
  19. Appareil pour retourner les bas selon l'une des revendications précédentes, caractérisé par le fait que la première cellule photo-électrique (43) est reliée à l'unité de commande programmable (59) de telle manière que, à l'arrivée d'un bas de la machine à remailler (41) dans la position centrée par rapport à la pince (26), elle ferme la pince (26), éloigne le chariot (42a) de la bande transporteuse (42) et déplace le chariot (33) portant la pince (26) en direction des organes de retournement (3, 7, 8), ce qui déclenche un cycle de retournement de l'appareil.
  20. Appareil pour retourner les bas selon l'une des revendications précédentes, caractérisé par le fait que le premier capteur magnétique (38) est activé quand la pince (26) a atteint sa position entre les deux bandes supérieures (7) et que le capteur magnétique (38) est alors relié à l'unité de commande (59) de telle manière que les deux bandes inférieures (8) sont fermées, les peignes (46) de l'unité de stabilisation sont fermés, la pince (26) est ouverte et est ramenée dans la zone de distribution (40) de la machine à remailler (41).
  21. Appareil pour retourner les bas selon l'une des revendications précédentes, caractérisé par le fait que le capteur magnétique (39) est activé après que la pince (26) a été retournée dans la zone de distribution (40) de la machine à remailler (41), ce capteur magnétique (39) étant couplé à l'unité de comande (59) de telle manière que les deux bandes supérieures (7) sont fermées, que les bandes (7, 8) des deux paires de bandes sont tournées dans une direction de telle sorte que leurs brins directement opposés au plan de translation vertical de la barre de retournement (3) sont amenés vers le haut, que la deuxième cellule photo-électrique (58) est activée et que le mouvement descendant de la barre de retournement (3) en direction de la fin de course inférieure est déclenché.
  22. Appareil pour retourner les bas selon l'une des revendications précédentes, caractérisé par le fait qu'au moins les bandes inférieures (8) sont en matière synthétique élastomère renforcée dans le sens longitudinal par des fibres d'acier internes et présentent dans le sens transversal des rainures en forme de V sur le côté extérieur qui saisit le tissus des bas, rainures s'étalant sur toute la largeur des bandes (8).
EP90916734A 1989-11-14 1990-11-14 Appareil pour retourner les bas automatiquement pour une machine a remailler Expired - Lifetime EP0453543B2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT6799389 1989-11-14
IT67993A IT1238533B (it) 1989-11-14 1989-11-14 Macchina rovesciacalze automatica abbinabile ad una rimagliatrice
PCT/EP1990/001941 WO1991007540A1 (fr) 1989-11-14 1990-11-14 Appareil pour retourner les bas automatiquement dans une machine a mailler

Publications (3)

Publication Number Publication Date
EP0453543A1 EP0453543A1 (fr) 1991-10-30
EP0453543B1 EP0453543B1 (fr) 1996-05-08
EP0453543B2 true EP0453543B2 (fr) 2002-04-24

Family

ID=11307032

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90916734A Expired - Lifetime EP0453543B2 (fr) 1989-11-14 1990-11-14 Appareil pour retourner les bas automatiquement pour une machine a remailler

Country Status (6)

Country Link
EP (1) EP0453543B2 (fr)
KR (1) KR920701560A (fr)
DE (1) DE59010319D1 (fr)
ES (1) ES2090145T3 (fr)
IT (1) IT1238533B (fr)
WO (1) WO1991007540A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1274557B (it) * 1995-05-23 1997-07-17 Conti Complett Spa Macchina per eseguire il rovesciamento di calze,ad elevata affidabilita' di funzionamento
IT1303913B1 (it) 1998-04-24 2001-03-01 Giovanni Giuseppe De Dispositivo per la rovesciatura di manufatti tessili tubolari
KR20010056348A (ko) * 1999-12-15 2001-07-04 김태근 대용량 포대용 원단 뒤집기
ITFI20080099A1 (it) * 2008-05-19 2009-11-20 Golden Lady Co Spa "metodo e dispositivo per rovesciare manufatti tubolari, come calze o calzini, dopo la chiusura della punta"
CN104652116B (zh) * 2015-02-11 2017-03-22 卢锡义 一种翻袜机
CN110948895B (zh) * 2018-09-27 2024-06-25 天津滨海光热反射技术有限公司 Smc衬板与银镜贴合成型系统及控制方法
CN109319441B (zh) * 2018-11-30 2024-01-19 福建省长汀盼盼食品有限公司 一种自动翻片的涂层机
CN111270427B (zh) * 2020-03-07 2021-08-27 浙江伟盈智能科技股份有限公司 一种织缝翻一体机的缝头装置
CN114378400B (zh) * 2021-12-31 2023-01-03 日出东方控股股份有限公司 一种超大平板集热器板芯自动上料焊接系统
CN115255869B (zh) * 2022-09-01 2023-12-05 苏州襄行智能科技有限公司 一种医疗用针套批量上料设备
CN116727514B (zh) * 2023-08-14 2023-10-27 江苏阿诗特能源科技股份有限公司 一种用于储能电箱的电池板极耳折弯设备

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1205383B (it) * 1983-04-11 1989-03-15 Rosso Ind Spa Dispositivo rivoltacalze
IT1175756B (it) * 1984-09-28 1987-07-15 Fadis Spa Macchina automatica di rivoltamento calze a rulli mobili

Also Published As

Publication number Publication date
EP0453543B1 (fr) 1996-05-08
ES2090145T3 (es) 1996-10-16
DE59010319D1 (de) 1996-06-13
WO1991007540A1 (fr) 1991-05-30
IT8967993A1 (it) 1991-05-14
IT1238533B (it) 1993-08-18
EP0453543A1 (fr) 1991-10-30
IT8967993A0 (it) 1989-11-14
KR920701560A (ko) 1992-08-12

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