EP0066054B1 - Dispositif de changement de pots pour machines de préparation à la filature, en particulier pour poste d'étirage - Google Patents

Dispositif de changement de pots pour machines de préparation à la filature, en particulier pour poste d'étirage Download PDF

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Publication number
EP0066054B1
EP0066054B1 EP82102668A EP82102668A EP0066054B1 EP 0066054 B1 EP0066054 B1 EP 0066054B1 EP 82102668 A EP82102668 A EP 82102668A EP 82102668 A EP82102668 A EP 82102668A EP 0066054 B1 EP0066054 B1 EP 0066054B1
Authority
EP
European Patent Office
Prior art keywords
rod
joint
carrier
movement
carriers
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
Application number
EP82102668A
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German (de)
English (en)
Other versions
EP0066054A1 (fr
Inventor
Peter Oehy
René Schmid
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.)
Maschinenfabrik Rieter AG
Original Assignee
Maschinenfabrik Rieter 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 Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Priority to AT82102668T priority Critical patent/ATE24465T1/de
Publication of EP0066054A1 publication Critical patent/EP0066054A1/fr
Application granted granted Critical
Publication of EP0066054B1 publication Critical patent/EP0066054B1/fr
Expired legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H9/00—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine
    • D01H9/005—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine for removing empty packages or cans and replacing by completed (full) packages or cans at paying-out stations; also combined with piecing of the roving
    • D01H9/008—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine for removing empty packages or cans and replacing by completed (full) packages or cans at paying-out stations; also combined with piecing of the roving for cans

Definitions

  • the invention relates to a device for changing cans on a spinning preparation machine, in particular on a line, with a can to be filled in the storage position, an empty can in the reserve position and a full can in the removal position, and with a displacement means for the straight-line displacement of a filled can from the storage position into the removal position and the simultaneous straight-line displacement of an empty can from the reserve position into the storage position, the displacements taking place at right angles to one another, and with a displacement drive.
  • a known feature of such a changing device is that the full and the empty can are moved to the next position in the same cycle.
  • a can changing device of the type mentioned in which a pivotable frame is provided with two guide rings each associated with a can, by means of which, when the frame is pivoted, one filled can is in a storage position on one the removal position provided next to it and at the same time an empty jug located in the reserve position is moved into the storage position.
  • the swivel frame is arranged at a low height above the contact surface of the cans and its guide rings enclose the foot part of the cans that it guides.
  • supporting surfaces are arranged next to the pivot frame in a stationary manner to support the pivot frame in the limit positions of its pivoting movement. These support surfaces can be perpendicular to each other, so that the directions of movement of the two cans can be perpendicular to each other.
  • a drive is provided for pivoting the frame.
  • a lever mechanism connected to the drive and controlled by a cam disk is provided for guiding the swivel frame instead of the mentioned support surfaces in such a way that when the swivel frame is pivoted, the cans have essentially the same direction of movement as with the support surfaces.
  • the power transmission between the lever system and the cam disc takes place through a crank pin that belongs to the lever system and lies against the cam disc.
  • a major disadvantage of these two types of devices is that the empty cans must be lifted into and out of the guide ring, which requires either manual or complicated mechanical work. Furthermore, the fact that the guide rings cause strong frictional contact when moving along the mentioned support surfaces or when guiding the crank pin on the cam disk, which results in additional energy and material wear.
  • the object of the invention is to provide an alternative to the prior art.
  • the invention achieves the object in such a way that the displacement means has a first pivotable arm provided on a first displaceable carrier for displacing the filled can and a second arm provided on a second displaceable carrier for displacing the empty ones Kanne has, the carriers are each slidably arranged on a straight guide back and forth and these guides are at right angles to each other, seen on the plan of the device, the carriers by a rod articulated to the front and in the Backward displacement direction of the carrier are connected to each other in a force-transmitting manner and one of the two carriers is connected to the displacement drive.
  • the rod can be a curved but rigid rod per se, which has the advantage that there is a rigid connection between the two supports, which transmits force in both displacement directions, without the displacement means touching the can to be filled when it is moved backwards.
  • the rod can be an articulated rod with two or three legs, so that on the one hand the process steps are fulfilled when the empty and the filled can are moved forward, and on the other hand when the two supports are moved backwards by touching the articulated rod filling jug is avoided.
  • a can 1 to be filled is in a so-called depositing position, an empty can 2 in a so-called waiting position, and a full can 3 (shown with dash-dotted lines in FIG. 1) in a so-called dispensing position.
  • depositing position an empty can 2 in a so-called waiting position
  • full can 3 shown with dash-dotted lines in FIG. 1 in a so-called dispensing position.
  • a first pivotable and displaceable arm 4 is in the starting position immediately in front of the can 1 to be filled and a second displaceable arm 5 in the starting position immediately in front of the empty can 2, as seen in FIG. 1, each indicated by an arrow, in the forward direction of displacement .
  • the arm 4 and an articulated part 6 are components of a later described first support 7 (not shown), while the arm 5 and an articulated part 8 are components of a second described later support 9 (not shown).
  • the first carrier 7 is provided on a first path 10 indicated by a dash-dotted line
  • the second carrier 9 on a second path 11 likewise indicated by dash-dotted lines in the above-mentioned figures. and arranged to slide backwards.
  • the webs 10 and 11 are essentially perpendicular to one another, as viewed in the plan of the device.
  • the joint parts 6 and 8 and thus the supports 7 and 9 are connected to one another in an articulated and force-transmitting manner by means of a curved pull and push rod 12.
  • this rod 12 is bent such that when the carrier is moved backwards between the end positions of the arms 4 and 5 shown in FIG. 1 (shown in solid or broken lines in FIG. 1), it is the one to be filled Can 1 not touched.
  • the rod 12 connects the two carriers 7 and 9, respectively, in a force-transmitting manner so that when one or the other carrier is driven, it is able to drive the non-driven carrier together with the full or empty can from the deposit into the dispensing, respectively to move from the reserve to the storage position.
  • the arm 4 can be pivoted from the horizontal position shown in FIG. 1 to a vertical position shown in FIG. 2 so that it does not hit the can 1 when it is moved backwards.
  • the arm 5 can also be pivoted into a vertical position (not shown in FIGS. 1 and 2). If an empty can 2 is supplied from a direction B after the arm 5 has reached its position shown in solid lines in FIG. 1, it is not necessary to pivot the arm.
  • the second carrier 9 displaces as a result of the rigid connection by means of the rod 12 to the first carrier and when the tracks 10 and 11 are perpendicular to one another with a speed profile which is a tangent function for corresponds to an angle a (FIG. 1) between 0 and 90 degrees.
  • the leg a corresponds on the one hand to the distance between the axis of rotation (not shown) of the articulated part 6 and the intersection of the two tracks 10 and 11 of the leg b projected onto the imaginary plan plane previously mentioned, and on the other hand to the distance between the axis of rotation of the articulated part 8 and the projected Intersection.
  • the cans In order not to obtain a too high final speed of the second carrier or the empty can, the cans must have reached their new position when an angle a of approximately 75 ° has been reached, i. H. the empty jug the storage position and the filled jug the delivery position.
  • the speed of the empty can reaches the value of the full can because the tangent of 45 ° has the value 1, i.e. H. the accelerated can has the speed of the constantly driven can at 45 °.
  • the angle a 'resulting from the starting position of the two arms 4 or 5 (FIG. 1) and thus of the joint parts 6 or 8 depends on the structural dispositions of such a changer and has been assumed in FIG. 3 to be 12 degrees, for example .
  • the initial speed range (eg for a between 12 ° and 30 °) of the empty can has a significantly lower average speed than the speed of the full can.
  • the full can has a speed profile corresponding to the tangent function. In such a variant, however, it would have to be ensured that the constructive disposition of the changer would give an initial angle a 'which would avoid excessive pressure on the joint 6.
  • FIGS. 4 and 5 A variant of the embodiment shown in FIGS. 1 and 2 is shown with FIGS. 4 and 5.
  • a resiliently bendable rod 13 is provided as an articulated and force-transmitting connection between the joint parts 6 and 8.
  • the path S2 (FIG. 5) is in the outer end position of the joint part 8, ie in the end position from which the arm 5 begins to move an empty can 2, limited.
  • Such a limitation causes the rod 13 to not be able to extend completely in the aforementioned end position of the joint part 6.
  • the first carrier 7 is driven and moves forwards and backwards at a constant speed.
  • the hinge part 8 is only moved when the hinge part 6 has already shifted so far that the rod 13 assumes an extended position, i. H. the angle a 'has increased to the angle a ".
  • the size of the two angles depends on the constructive disposition of the changer.
  • the joint part 8 After the angle a "has been reached, the joint part 8 has a speed profile corresponding to the tangent shown in FIG. 6 when it is moved further.
  • the joint parts 6 and 8 are moved, as described earlier, until the angle a reaches a value of substantially 75 ° Has.
  • the degree of the bend is selected by a controllable damping effect of the damping cylinder 14 (not shown).
  • the force stored during this bending of the rod 13 basically causes the second carrier 9 to be moved backwards up to the aforementioned limitation of the path s 2 (not shown), which prevents the carrier from being displaced further. This is given by limiting the piston stroke of the cylinder 14.
  • the material of this rod can be spring steel or a suitable plastic, glass or textile fiber composite.
  • FIGS. 7-10 Another variant of the embodiment shown in FIGS. 1 and 2 is shown in FIGS. 7-10.
  • an articulated rod 15 is provided therein as an articulated and force-transmitting connection between the articulated parts 6 and 8.
  • the joint rod 15 consists of a rod 16 (FIG. 8), as a connection between a joint 17 and the joint part 6, and of a rod 18 as a connection between the joint 17 and the joint part 8.
  • rectilinear guide rails 19 and 20 are provided in parallel, which, as subsequently described, serve as a stop for the joint 17.
  • the first carrier 7 is driven and moves forwards and backwards at a constant speed.
  • the joint part 8 When changing the can, the joint part 8 is only moved when the joint part 6 has already shifted to such an extent that the joint rod 15 assumes an extended position (indicated in FIG. 7), i. H. that the angle a 'has increased to the angle a ".
  • the sizes of the two angles depend on the constructive disposition of the changer.
  • the joint part 8 After the angle ⁇ "has been reached, the joint part 8 has a speed profile corresponding to the tangent shown in FIG. 6 during further displacement.
  • the joint part 6 is moved, as described earlier, until the angle a has reached a value of substantially 75 ° (FIG. 8).
  • the articulated rod 15 bends (FIG. 9) until the articulation 17 bears against the rail 19 and is passed on until the maximum articulation angle ⁇ has been established.
  • This limitation of the articulation angle ⁇ is achieved by a stop (not shown) in the joint 17.
  • the kink angle ⁇ opens again up to a certain value ⁇ '.
  • the size of the value ⁇ and the value ⁇ ' depends on the constructive dispositions of the entire changer device.
  • the articulation rod 15 may buckle at the beginning of the backward displacement either by the articulation rod buckling when the can 1 is touched or by a further stop in the articulation 17 (not shown) which prevents the articulation rod from stretching completely.
  • a curved rail 21 (indicated by dashed lines in FIG. 9) can connect the rails 19 and 20 in such a way that the joint 17 moves backwards from the rail 19 is deflected onto the rail 20.
  • a variant of the articulated rod 15 is in the
  • FIGS. 11-14 shown with an articulated rod 22.
  • FIGS. 13 and 14 details which do not influence the variant have been omitted for a better overview.
  • the hinge rod 22 (indicated by dash-dotted lines) is in three parts, i. H. it consists of a rod 23 connected to the joint part 6, a rod 24 connected to the joint part 8 and a central rod 27 connected by means of a joint 25 and 26 to the rod 23 and 24, respectively.
  • the supports 7 and 9 connected in an articulated and force-transmitting manner.
  • the first carrier 7 is driven and moves forwards and backwards at a constant speed.
  • the articulation 26 is provided with a stop (not shown) which allows an extension to a certain angle.
  • the articulated rod 22 is given a desired bending direction on the one hand and, on the other hand, depending on the structural disposition of the changer device, touching the articulated rod 22 on the can 1, in the position of the cans 1 and 3 shown in FIG. 12, can be avoided.
  • the joint 25 also buckles and also slides along the rail 19 until a maximum kink angle 8 has been established. Whether the two articulation angles -y and 8 are the same or different depends on the design disposition of the changer. On the other hand, the angle ⁇ (Fig. 11) must not be greater than the angle (Fig. 12).
  • the rails 19 and 20 can be connected to the curved rail 21 shown in FIG. 9, along which the joints 25 and 26 slide along from the rail 19 to the rail 20 change.
  • FIGS. 15 to 19 show and describe an embodiment of a changing device in more detail.
  • the first carrier 7 comprises a carriage 28 on which two rollers 30 are rotatably provided on an upper part 29 and are guided on an upper rail 31 which represents a first part of the first track 10.
  • the rollers 30 serve to horizontally guide the carrier 7.
  • two rollers 33 are rotatably provided for vertical guidance and support of the carrier 7 and are supported on a lower rail 34 which represents the second part of the first track 10.
  • the rails 31 and 34 are attached to a machine housing 63 of the changer device (not shown).
  • Two further rollers 35 which are rotatably arranged on the lower part 32, serve for the further horizontal guidance of the carrier 7.
  • the resulting reaction forces P and P '(FIG. 16) caused by the rollers 30 and 35 on the corresponding rails 31 and 34 are directed in opposite directions.
  • the joint part 6, on which the rod 16 is arranged in an articulated manner, is also fastened to the lower part 32.
  • a pivotable arm 36 is provided on the upper and lower parts 29 and 32. These two arms together make up the first arm 4 mentioned earlier.
  • the arms 36 each include a support 37, an articulated in the support 37. bolt 38 and a pivoted arm blade 39.
  • the piston rods 40 of a double-acting pneumatic cylinder 41 are included the arm sheets 39 pivotally connected.
  • a stop 42 belonging to the upper part 29 and a stop 43 belonging to the lower part 32 limit the position of the pivoted arm blades 39.
  • the vertical position of the arm blades 39 is given by a limited backward stroke of the cylinder pistons 40.
  • the second carrier 9 comprises a carriage 44 (FIGS. 18 and 19) on which two upper rollers 45 are rotatably arranged on a longitudinal part 46 belonging to the carriage 44, which vertically support the carriage 44 on a rail 47 representing the second track 11.
  • two supports 48 belonging to the longitudinal part 46 each have an upper roller 49 and a lower roller 50 rotatably provided.
  • the rollers 49 are supported on a short leg 51 and the rollers 50 on a long leg 52 of the rail 47 and support the chassis 44 in a horizontal position.
  • the reaction forces P 1 and P (FIG. 18) caused by the rollers 49 and 50 on the legs 51 and 52 are directed in opposite directions.
  • the joint part 8 (indicated by dashed lines in FIG. 19) is part of the support 48.
  • the arm 5 is provided as a variant on the aforementioned solution on a pivot axis 54 (FIGS. 18 and 19) which can be rotated in two bearing elements 55 fastened to the longitudinal part 46 is.
  • a pneumatic cylinder 56 is pivotally attached on the cylinder side to a support 57 assigned to the longitudinal part 46 and on the piston side on the arm 5.
  • a stop 58 is provided on the longitudinal part 46 to fix the horizontal position of the arm 5.
  • a chain drive 59 (FIGS. 15-17), which is driven by a geared motor 60 (only partially shown in FIG. 16), serves as the drive for the undercarriage 28.
  • An extended chain pin 61 protrudes into a guide groove 62 provided on the running gear 28 and serves to transmit the force from the chain drive 59 to the running gear 28.
  • the mounting of the chain drive and the fastening of the geared motor are not shown.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Refuse Receptacles (AREA)
  • Warehouses Or Storage Devices (AREA)

Claims (7)

1. Dispositif de changement de pots pour une machine de préparation à la filature, en particulier pour un banc d'étirage,
avec un pot (1) à remplir se trouvant en position de dépôt de ruban, un pot vide (2) se trouvant en position de réserve, et un pot plein (3) se trouvant en position de livraison,
avec un moyen de translation pour le déplacement en ligne droite d'un pot rempli de la position de dépôt de ruban dans la position de livraison, et le déplacement simultané et en ligne droite d'un pot vide de la position de réserve dans la position de dépôt de ruban, les déplacements se faisant à angle droit l'un par rapport à l'autre,
et avec une commande de translation, caractérisé par le fait,
que le moyen de translation possède un premier bras pivotable (4 ; 39), prévu sur un premier porteur déplaçable (28/figures 15, 16) pour le déplacement du pot rempli, et un deuxième bras (5), prévu sur un deuxième porteur déplaçable (44/figures 18, 19) pour le déplacement du pot vide (2),
procédé dans lequel chacun des porteurs (28, 44) est disposé d'une manière déplaçable en avant et en arrière sur un guidage linéaire (10, 31, 34 ; 11 ; 47) et où ces guidages se trouvent à angle droit l'un par rapport à l'autre, vu sur la vue de dessus du dispositif,
que les porteurs (28, 44) sont reliés ensemble chacun par une tige (12, 13, 15, 22), reliée d'une manière articulée à celui-ci dans le sens de déplacement en avant et en arrière des porteurs d'une manière de transmission de forces, et qu'un des deux porteurs est relié avec la commande de translation (59, 60).
2. Dispositif selon revendication 1, caractérisé par le fait que la tige (12) est rigide et courbée d'une telle manière que, lors du mouvement de recul des porteurs (28, 44), elle ne vienne pas en contact avec le pot (1) se trouvant dans la position de dépôt de ruban.
3. Dispositif selon revendication 1, caractérisé par le fait que la tige (13) est pliable élastiquement, cependant suffisamment rigide pour pouvoir transmettre la force nécessaire pour le déplacement du deuxième porteur (44), ainsi que la commande de translation (59, 60) est reliée avec le premier porteur (28), et que le deuxième porteur (44), pour le déplacement en recul, est retardé par un élément amortisseur respectivement de freinage (14), par rapport au premier porteur (28), de telle sorte que la tige (13), lors du déplacement en arrière, est pliée de telle manière qu'elle ne vienne pas en contact avec le pot (1) se trouvant dans la position de dépôt.
4. Dispositif selon revendication 1, caractérisé par le fait que la tige (15 ; 22) possède au moins des jambes (16, 18 ; 23, 24, 27) reliées avec deux articulations, qu'un guidage rectiligne supplémentaire (19, 20) est prévu parallèle à chacun des guidages cités (10, 11) pour le guidage des articulations (17, 25, 26) de la tige (15, 22) lors de la flexion de la tige, par suite du déplacement en arrière des porteurs, et que en plus un moyen existe pour la direction de l'articulation (17, 25, 26) depuis l'un des guidages supplémentaires (19) vers l'autre guidage supplémentaire (20), en plus, que la commande de translation (59, 60) est reliée au premier porteur (28).
5. Dispositif selon revendication 4, caractérisé par le fait que le moyen pour la direction du point d'articulation (17, 25, 26) est une butée dans le point d'articulation qui évite une flexion de la tige articulée (15, 22) en dessous d'un angle donné.
6. Dispositif selon revendication 4, caractérisé par le fait que le moyen pour la direction du point d'articulation (17, 25, 26) est un arc de guidage (21/figure 9), reliant les deux guidages supplémentaires.
7. Dispositif selon revendication 1, caractérisé par le fait que le deuxième bras (5/figures 9 et 10) est également pivotable.
EP82102668A 1981-05-29 1982-03-30 Dispositif de changement de pots pour machines de préparation à la filature, en particulier pour poste d'étirage Expired EP0066054B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82102668T ATE24465T1 (de) 1981-05-29 1982-03-30 Vorrichtung zum wechseln von ablagekannen an spinnereivorbereitungsmaschinen, insbesondere an strecken.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3513/81 1981-05-29
CH351381 1981-05-29

Publications (2)

Publication Number Publication Date
EP0066054A1 EP0066054A1 (fr) 1982-12-08
EP0066054B1 true EP0066054B1 (fr) 1986-12-30

Family

ID=4257604

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82102668A Expired EP0066054B1 (fr) 1981-05-29 1982-03-30 Dispositif de changement de pots pour machines de préparation à la filature, en particulier pour poste d'étirage

Country Status (6)

Country Link
US (1) US4463480A (fr)
EP (1) EP0066054B1 (fr)
JP (1) JPS57203659A (fr)
AT (1) ATE24465T1 (fr)
DE (1) DE3274836D1 (fr)
IN (1) IN155689B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0066054B1 (fr) * 1981-05-29 1986-12-30 Maschinenfabrik Rieter Ag Dispositif de changement de pots pour machines de préparation à la filature, en particulier pour poste d'étirage
IN161184B (fr) * 1983-06-21 1987-10-17 Rieter Ag Maschf
DE3618857C2 (de) * 1986-06-04 1996-08-14 Truetzschler Gmbh & Co Kg Vorrichtung zum fliegenden Wechsel von Spinnkannen für eine Spinnereivorbereitungsmaschine
DE4212165A1 (de) * 1992-04-10 1993-10-14 Truetzschler Gmbh & Co Kg Vorrichtung zum Fördern von Kannen auf der Einlaufseite von Spinnereimaschinen, z. B. Strecken
CN112030286B (zh) * 2020-09-08 2021-06-08 北自所（北京）科技发展有限公司 并条粗纱系统以及用于该并条粗纱系统的条筒输送方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1104402B (de) * 1957-12-13 1961-04-06 Richter Fibrotex K G Kannenwechselvorrichtung fuer Karden
US3443287A (en) * 1962-02-09 1969-05-13 Schubert & Salzer Maschinen Can changing in strand material handling
GB1136782A (en) * 1966-05-23 1968-12-18 Inst Textilmaschinen A method of and apparatus for changing sliver cans between sliver delivery and feeding sections
FR1501979A (fr) * 1966-10-03 1967-11-18 Alsacienne Constr Meca Dispositif automatique de changement de pot à la sortie d'une machine textile
US3808641A (en) * 1970-05-01 1974-05-07 Schubert & Salzer Maschinen Can changing devices
JPS5127291Y2 (fr) * 1971-06-16 1976-07-10
DE2326950A1 (de) * 1973-05-26 1974-12-19 Schubert & Salzer Maschinen Kannenwechselvorrichtung fuer spinnereivorbereitungsmaschinen
DE2543621C2 (de) * 1975-09-30 1984-11-22 Zinser Textilmaschinen Gmbh, 7333 Ebersbach Kannenwechseleinrichtung
EP0066054B1 (fr) * 1981-05-29 1986-12-30 Maschinenfabrik Rieter Ag Dispositif de changement de pots pour machines de préparation à la filature, en particulier pour poste d'étirage

Also Published As

Publication number Publication date
US4463480A (en) 1984-08-07
ATE24465T1 (de) 1987-01-15
EP0066054A1 (fr) 1982-12-08
IN155689B (fr) 1985-02-23
DE3274836D1 (en) 1987-02-05
JPH0335227B2 (fr) 1991-05-27
JPS57203659A (en) 1982-12-14

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