EP3986819B1 - Dispositif de changement de pot de filature et procédé pour changer un pot de filature - Google Patents

Dispositif de changement de pot de filature et procédé pour changer un pot de filature Download PDF

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Publication number
EP3986819B1
EP3986819B1 EP20701006.7A EP20701006A EP3986819B1 EP 3986819 B1 EP3986819 B1 EP 3986819B1 EP 20701006 A EP20701006 A EP 20701006A EP 3986819 B1 EP3986819 B1 EP 3986819B1
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EP
European Patent Office
Prior art keywords
pusher
changer
empty
filled
full
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Active
Application number
EP20701006.7A
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German (de)
English (en)
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EP3986819A1 (fr
Inventor
Thomas Schmitz
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Truetzschler Group SE
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Truetzschler Group SE
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Publication of EP3986819A1 publication Critical patent/EP3986819A1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
    • B65H67/04—Arrangements for removing completed take-up packages and or replacing by cores, formers, or empty receptacles at winding or depositing stations; Transferring material between adjacent full and empty take-up elements
    • B65H67/0428—Arrangements for removing completed take-up packages and or replacing by cores, formers, or empty receptacles at winding or depositing stations; Transferring material between adjacent full and empty take-up elements for cans, boxes and other receptacles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments
    • B65H2701/311—Slivers

Definitions

  • the invention relates to a jug changer and a method for changing a jug according to the preamble of the independent patent claims.
  • Can shifting devices are used in can changers, particularly as part of a textile machine, to move a full can away from a filling position and, advantageously, to move an empty can into the filling position at the same time.
  • the can changer places fiber sliver in the can located there in a known manner until the can is full.
  • the reduction in production speed from 500 m/min can be limited to around 100 m/min by a belt loop storage device.
  • the object of the invention is to increase the efficiency of the spinning preparation machine by designing the can storage.
  • the can changer according to the invention comprises a receiving area which is designed to receive three cans in terms of its longitudinal extent.
  • the can changer further comprises a first can pusher which is designed to move along the entire receiving area and to receive two cans.
  • the first can pusher is designed to receive an empty can from a feed area and, by moving it along the removal area, to press this empty can against a full can and thus move it into the area of a discharge track, with the empty can remaining in a filling position as a can to be filled.
  • the invention is characterized in that the can changer has a second can pusher in the region of the discharge track of the receiving area, which is designed to move the full can onto the discharge track.
  • the invention has the advantage that a very fast can change is possible, which means that, for example, the carding machine only needs to be slowed down from a production speed of 500 m/min to 300 m/min when changing cans in combination with the belt loop storage. This increases the efficiency of the carding machine with the stretch integrated in the can depositing device.
  • the first can slider has a substantially elongated frame with an open long side.
  • the frame can be rectangular, curved or kidney-shaped. It is designed to accommodate two cans at the same time, so that the can slider can move along the accommodation area around the filling position.
  • first and second can pushers grip the cans at a height that is above the lower quarter of the can height ensures that the cans do not tip over.
  • the first and second can pushers grip the can at a minimum height of 225 mm to 385 mm.
  • the first can pusher preferably grips the cans at a height that is between the lower third and half the can height.
  • the second can pusher preferably grips the cans at a height that is above the lower quarter of the can height.
  • the second can pusher can be operated independently of the first can pusher. This allows the second can pusher to push the full can onto the discharge track and at the same time the first can pusher can move back without waiting for the end position of the second can pusher. This allows the shifting cycle to be shortened in time.
  • the second can pusher can be operated transversely or orthogonally to the travel path of the first can pusher.
  • the different travel paths of the two can pushers increase the speed at which the cans can be changed.
  • the second can pusher grips the cans at a height that is below the gripping height of the first can pusher, so that the latter can dive under the frame of the first can pusher.
  • a gripping height of the second can pusher on the can that is at least a quarter of the can height can increase the can's tipping stability and make the can change process safer.
  • the can to be filled is held in the filling position by means of pivoting retaining elements.
  • the sliver deposit can already be started with the can to be filled while the full can is being transported away and while the first can pusher returns to its starting position and picks up the new empty can. This means that the time during which the machine runs at a lower speed can be shortened.
  • the retaining elements are arranged by means of supports at a height that is above the lower quarter of the can height, on the one hand the can can be held securely and secured against tipping over, and on the other hand the first can changer can move to its end position or its starting position independently of the retaining elements and the can to be filled.
  • the receiving area has an open long side, at the first end of which a feed area with a transport track is arranged, and at the opposite end of the long side a discharge track is arranged.
  • This arrangement results in a space-saving can depositing device for a card, a combing machine or a draw frame, since the textile preparation machine is arranged to the rear of the can depositing device, but the can change takes place to the front.
  • the method according to the invention for operating a can changer has a receiving area with a first can pusher, wherein a Empty can is pushed into the first can pusher, and the can pusher moves the empty can into a filling position in which the can is filled with fiber sliver as a can to be filled, while the first can pusher moves back to its starting position to pick up another empty can.
  • the method according to the invention comprises that after completion of the filling process, the further empty can is pressed against the filled can (full can) by means of the first can pusher, and by moving the can pusher, the full can is moved into a position for removal via a discharge track.
  • the first can pusher thus moves around the filling position, which is occupied by a can to be filled for as long as possible in order to shorten the changeover process and thus the reduction in the production speed of the textile preparation machine as much as possible.
  • the full can is transported to the discharge track by means of a second can pusher. This allows the time required to change the cans to be shortened further, since the can to be filled is filled with sliver during this time.
  • the first can pusher moves to its first starting position to pick up a new empty can, while the can to be filled remains in the filling position, the process of changing the cans is further accelerated, since the can to be filled is filled with sliver during the shifting time of the first can changer and the second can changer.
  • a device 100 which is intended for use on a spinning preparation machine (e.g. a card, draw frame or combing machine) for cotton, chemical fibers or the like.
  • a spinning preparation machine e.g. a card, draw frame or combing machine
  • Identical features in the drawing are each provided with the same reference numerals. It is to be understood at this point that the drawing is only simplified and in particular is shown without a scale.
  • the device 100 it is possible to deposit a carded, drawn or combed fiber sliver 6 in cans 5a - 5c.
  • the exemplary representation of a card does not restrict the use of the can changer to this, since combing machines and draw frames also have to adapt their production when changing cans.
  • Figure 1 shows an arrangement 1 with a card 2 and a downstream can depositing device 3 and an associated can changer 100.
  • the card 2 produces a fiber sliver 6, which is fed to a can depositing device 3 via a sliver storage device 4.
  • the can depositing device 3 can have an integrated drafting system and a downstream depositing plate, which is designed in combination with a rotation device for a can 5b to be filled, to deposit the fiber sliver in the can 5b, for example in a cycloid shape.
  • the can changer 100 has a receiving area 104, which is designed with regard to its longitudinal extent to receive an empty can 5a, a can 5b to be filled and a full can 5c, even if a maximum of two cans are in the receiving area 104 at any one time.
  • the can 5b to be filled is in a filling position 105 and is held in its position by four pivotable retaining elements 106.
  • the receiving area 104 is essentially rectangular and has a feed area 101 with a transport path on one of the long sides which is kept open. 102 and a discharge track 107 spaced apart from it. The cans are transported from the feed area 101 with the transport track 102 to the receiving area 104 and shifted transversely by 90° in the direction of movement into the filling position 105.
  • the can changer has a first and a second can pusher 110, 120. Because the first can pusher 110 engages the cans 5a, 5b, 5c at a height that is above the lower quarter of the can height, tipping of the cans is avoided.
  • the first can slider 110 engages the can 5a, 5b, 5c at the minimum height H 110 of 225 mm to 385 mm.
  • the first can slider 110 engages the cans 5a, 5b, 5c at a height H 110 that lies between the lower third and half the can height.
  • the retaining elements 106 are arranged by means of supports at a height H 106 which is above the lower quarter of the can height, on the one hand the can can be held securely and secured against tipping over, and on the other hand the first can changer 110 can move to its end position or its starting position independently of the retaining elements 106 and the can to be filled.
  • the first can pusher 110 does not move each can separately, but rather acts on the empty can 5a, which presses against the can 5b to be filled or the full can 5c, so that both cans are moved into position at the same time.
  • Figure 2 shows a plan view of the part of the can changer 100 below the can depositing device 3. This means that the view of the can 5b to be filled is clear.
  • the can changer 100 is shown in a state in which a can 5b to be filled is located on the receiving area 104, which is currently being filled or has been filled.
  • the can 5b to be filled is held in position by four retaining elements 106.
  • Each retaining element 106 can have a pivotable rod with a rotatable roller arranged at the end.
  • a first can changer 110 has a rectangular frame 111, which is open on one long side in order to receive and release two cans 5a, 5b or 5a, 5c.
  • the cans 5a, 5b, or 5a, 5c are only guided by the inner sides of the frame 111.
  • the frame 111 has no cross members or elements that are arranged between the two cans. This means that the empty can 5a always pushes the can 5b to be filled or the full can 5c into the next position.
  • the first can changer 110 is designed to run along the entire receiving area 104 in order to pick up an empty can 5a, to hold a can 5b to be filled and to position it as a full can 5c to the discharge track.
  • the frame 111 has an inwardly arranged centering element 113 on each end face, with which the can 5a, 5b, 5c is centered in the direction of displacement.
  • the centering element 113 is designed as two rotatably mounted rollers that interact with the circumference of the can 5a. It could also be an angled metal sheet or another centering device.
  • the frame 111 is moved linearly along a predetermined path via a drive 112, for example via a pneumatic cylinder or a motor spindle or belt drive.
  • the predetermined path corresponds to the length of the receiving area 104.
  • the frame 111 is positioned at a height that is higher than the lower third of the can. This prevents the can from tipping over during movement and stopping. Due to its height positioning, the frame 111 of the can pusher 110 is arranged above the retaining elements 106, which are also arranged on supports, and can completely move over them.
  • a second can pusher 120 is designed to push the full can 5c into the discharge track 107 transversely to the direction of travel of the first can pusher 110.
  • the direction of travel is therefore essentially transverse to the longitudinal direction of the receiving area 104.
  • the second can pusher 120 has a frame 121 which is designed as an open angle with two legs.
  • the frame 121 can therefore accommodate a full can 5c on two sides and has a centering element 123 on one leg which is opposite the discharge track 107.
  • a drive 122 is designed to move the second can pusher 120 linearly along a predetermined path.
  • the predetermined path can correspond to the width of the receiving area 104.
  • the predetermined path can also be smaller, however, provided that the full can 5c is moved away from the receiving area 104 on the discharge track 107.
  • the drive 122 can also be designed as a pneumatic cylinder or as a motorized spindle or belt drive.
  • the engagement point of the second can pusher 120 is located at the height H 120 below the frame 111 of the first can pusher 110 but above the receiving area 104 and can be actuated independently of this. However, it is only actuated when the first can pusher 110 with an empty can 5a moves a full can 5c from the filling position 105 to an ejection position and the empty can 5a remains in the filling position 105.
  • the first can pusher 110 is then in the right end position in which the second can pusher 120 moves the full can 5c to the discharge track 107.
  • the receiving area 104 is rectangular. It can also be rounded, kidney-shaped or round, with at least the first Can pusher 110 adapts to this contour and moves linearly along a straight or curved path, whereby an empty can is pressed against another can.
  • the can 5b to be filled is still held in the filling position 105 by the four retaining elements 106.
  • the feed area 101 there are three empty cans 5a prepared for transport to the receiving area 104 and are blocked from further movement towards the receiving area 104 by the retaining element 103.
  • the transport track 102 is preferably driven and is coupled in terms of control technology to a sensor for detecting the position on the receiving area 104 and with the position of the first can pusher 110.
  • another empty can 5a is arranged next to the can 5b to be filled within the can pusher 110.
  • Both can pushers 110, 120 are in their starting position, ie the first can pusher 110 is arranged in the left corner of the receiving area 104 opposite the feed area, and the second can pusher 120 is positioned in the opposite right corner of the receiving area 104 opposite the discharge track 107.
  • the Figures 4 and 5 shows the displacement of the empty can 5a against the full can 5c by the first can pusher 110.
  • the fiber band 6 is separated in the can depositing device 3.
  • the frame 111 with the centering elements 113 presses against the outer wall of the empty can 5a, which in turn is pressed in the direction of the arrow directly against the full can 5c.
  • the retaining elements 106 pivot in the direction of the second can pusher 120 until the full can 5c is completely in the new position ready for transport to the discharge track 107, and the empty can 5a is in the filling position.
  • the retaining elements 106 pivot back into their starting position and fix the empty can 5a, which is now in the filling position 105 as the can 5b to be filled.
  • the full can 5c is pushed by the frame 121 of the second can pusher 120 onto the discharge track 107.
  • the centering element 123 on the frame 121 engages the circumference of the full can 5c, whereby it is pushed from the receiving area 104 onto the discharge track 107.
  • the first can pusher 110 can already move back.
  • Figure 7 and 8 show the movement of the second can slider 120, which is in Figure 7 in the extended end position and in Figure 8 is in the retracted end position. In this position, the first can slider 110 is in the extended end position.
  • the retaining element 103 gives in Figure 10 the way is cleared for the next empty can 5a to be pushed onto the receiving area 104.
  • the empty cans 5a are pushed in the direction of the receiving area 104 by means of the driven transport track 102.
  • Figure 11 shows the positioning of a new empty can 5a in the receiving area 104.
  • the retaining element 103 still clears the way for the empty can 5a and is in a pivoted position.
  • Figure 12 the retaining element 103 is pivoted back into the locking starting position.
  • Figure 12 is essentially identical to Figure 3 , whereby there is one empty can 5a less in the feed area 101. The filling and can pushing process is thus repeated.
  • Figure 13 shows the arrangement 1 in a side view, with the height H 110 of the first can slider 110 arranged above the height H 106. If at least the lower quarter of a can is set for the minimum height H 106 , the height H 110 of the first can slider should be above this, i.e. preferably at a third of the can height.
  • the arrangement of the second can slider 120, which engages the can above the can base with the height H 120 is also visible.
  • an engagement height H 120 on the can that is at least a quarter of the can height can increase the tipping stability of the can 5c and make the process of changing the can safer.

Landscapes

  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Claims (13)

  1. Échangeur de pots (100), comprenant une zone de réception (104) qui est conçue pour recevoir trois pots suivant son extension longitudinale, ledit échangeur de pots comprenant un premier poussoir de pots (110) qui est conçu pour se déplacer le long de toute la zone de réception (104) et pour recevoir deux pots, le premier poussoir de pots (110) étant conçu pour recevoir un pot vide (5a) provenant d'une zone d'alimentation (101) et, par déplacement le long de la zone de réception (104), pour pousser ce pot vide (5a) contre un pot plein (5c) et donc déplacer celui-ci jusque dans la zone d'une voie d'évacuation (107), le pot vide (5a) restant dans une position de remplissage (105) en tant que pot (5b) à remplir, caractérisé en ce que, dans la zone de la voie d'évacuation (107), la zone de réception (104) comporte un deuxième poussoir de pots (120) qui est conçu pour déplacer le pot plein (5c) jusque sur la voie d'évacuation (107).
  2. Échangeur de pots (100) selon la revendication 1, caractérisé en ce que le premier poussoir de pots (110) comporte un cadre sensiblement allongé (111) pourvu d'un côté long ouvert.
  3. Échangeur de pots (100) selon la revendication 1 ou 2, caractérisé en ce que le premier poussoir de pots (110) saisit les pots (5a, 5b, 5c) à une hauteur qui est située au-dessus du quart inférieur de la hauteur de pot, de préférence entre le tiers inférieur et la moitié de la hauteur de pot.
  4. Échangeur de pots (100) selon la revendication 1, caractérisé en ce que le deuxième poussoir de pots (120) est actionnable indépendamment du premier poussoir de pots (110).
  5. Échangeur de pots (100) selon la revendication 1, caractérisé en ce que le deuxième poussoir de pots (120) est actionnable transversalement au chemin de déplacement du premier poussoir de pots (110).
  6. Échangeur de pots selon la revendication 1, caractérisé en ce que le pot (5b) à remplir est maintenu dans la position de remplissage (105) au moyen d'éléments de retenue pivotants (106).
  7. Échangeur de pots selon la revendication 6, caractérisé en ce que les éléments de retenue (106) sont disposés au moyen de supports à une hauteur qui est située au-dessus du quart inférieur de la hauteur de pot.
  8. Échangeur de pots selon la revendication 1, caractérisé en ce que la zone de réception (104) comporte un côté long ouvert, à la première extrémité duquel est disposée une zone d'alimentation (101) pourvue d'une voie de transport (102), et une voie d'évacuation (107) est disposée à l'extrémité opposée du côté long.
  9. Procédé de fonctionnement d'un échangeur de pots (100) comportant une zone de réception (104) pourvue d'un premier poussoir de pots (110), un pot vide (5a) étant poussé depuis une zone d'alimentation (101) jusque dans le premier poussoir de pots (110), et le poussoir de pots (110) déplaçant le pot vide (5a) jusque dans une position de remplissage (105) dans laquelle le pot, en tant que pot à remplir (5b), est rempli de ruban de fibres, tandis que le premier poussoir de pots (110) revient à sa position de départ pour recevoir un autre pot vide (5a), une fois le processus de remplissage terminé, l'autre pot vide (5a) est poussé contre le pot rempli (pot plein 5c) au moyen du premier poussoir de pots (110), et par déplacement du poussoir de pots (110), le pot plein (5c) est déplacé jusque dans une position d'évacuation par le biais d'une voie d'évacuation (107), caractérisé en ce que le pot plein (5c) est transporté jusque sur la voie d'évacuation (107) au moyen d'un deuxième poussoir de pots (120).
  10. Procédé selon la revendication 9, caractérisé en ce que le pot (5b) à remplir est maintenu dans la position de remplissage au moyen d'au moins un élément de retenue (106).
  11. Procédé selon la revendication 10, caractérisé en ce que, après l'évacuation du pot plein (5c), le premier poussoir de pots (110) se déplace jusque dans sa première position de départ afin de recevoir un nouvel pot vide (5a), tandis que le pot (5b) à remplir reste dans la position de remplissage (105).
  12. Procédé selon l'une des revendications 9 à 11, caractérisé par une répétition du processus décrit ci-dessus.
  13. Carde (2) comportant un accumulateur de bande (4) et un dispositif de dépose de pots (3) comprenant un banc d'étirage intégré et un échangeur de pots (100) selon l'une des revendications 1 à 8.
EP20701006.7A 2019-06-19 2020-01-15 Dispositif de changement de pot de filature et procédé pour changer un pot de filature Active EP3986819B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019116609.8A DE102019116609A1 (de) 2019-06-19 2019-06-19 Kannenverschiebevorrichtung, Kannenwechsler und Textilmaschine
PCT/EP2020/050910 WO2020253996A1 (fr) 2019-06-19 2020-01-15 Dispositif de changement de pot de filature et procédé pour changer un pot de filature

Publications (2)

Publication Number Publication Date
EP3986819A1 EP3986819A1 (fr) 2022-04-27
EP3986819B1 true EP3986819B1 (fr) 2024-04-17

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP20701006.7A Active EP3986819B1 (fr) 2019-06-19 2020-01-15 Dispositif de changement de pot de filature et procédé pour changer un pot de filature
EP20728433.2A Pending EP3986820A1 (fr) 2019-06-19 2020-05-19 Dispositif de déplacement de pot de filature, dispositif de changement de pot de filature et machine textile

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP20728433.2A Pending EP3986820A1 (fr) 2019-06-19 2020-05-19 Dispositif de déplacement de pot de filature, dispositif de changement de pot de filature et machine textile

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Country Link
EP (2) EP3986819B1 (fr)
CN (2) CN114450240B (fr)
DE (1) DE102019116609A1 (fr)
WO (2) WO2020253996A1 (fr)

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Publication number Priority date Publication date Assignee Title
DE102021114368A1 (de) * 2021-06-02 2022-12-08 Trützschler Group SE Kannenschiebevorrichtung, Kannenwechsler und Textilmaschine

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Publication number Publication date
CN114007969A (zh) 2022-02-01
CN114450240B (zh) 2024-05-28
WO2020253996A1 (fr) 2020-12-24
WO2020254049A1 (fr) 2020-12-24
EP3986820A1 (fr) 2022-04-27
WO2020253996A9 (fr) 2022-03-10
CN114450240A (zh) 2022-05-06
EP3986819A1 (fr) 2022-04-27
DE102019116609A1 (de) 2020-12-24

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