EP2807101A1 - Dispositif de serrage et de desserrage d'un tube de bobine - Google Patents

Dispositif de serrage et de desserrage d'un tube de bobine

Info

Publication number
EP2807101A1
EP2807101A1 EP13708066.9A EP13708066A EP2807101A1 EP 2807101 A1 EP2807101 A1 EP 2807101A1 EP 13708066 A EP13708066 A EP 13708066A EP 2807101 A1 EP2807101 A1 EP 2807101A1
Authority
EP
European Patent Office
Prior art keywords
turntable
rotation
winding
winding tube
spring
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.)
Granted
Application number
EP13708066.9A
Other languages
German (de)
English (en)
Other versions
EP2807101B1 (fr
Inventor
Alexander Mair
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.)
Lunatone Industrielle Elektronik GmbH
Original Assignee
Lunatone Industrielle Elektronik GmbH
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 Lunatone Industrielle Elektronik GmbH filed Critical Lunatone Industrielle Elektronik GmbH
Publication of EP2807101A1 publication Critical patent/EP2807101A1/fr
Application granted granted Critical
Publication of EP2807101B1 publication Critical patent/EP2807101B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/18—Constructional details
    • B65H75/24—Constructional details adjustable in configuration, e.g. expansible
    • B65H75/242—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages
    • B65H75/245—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages by deformation of an elastic or flexible material
    • B65H75/2455—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages by deformation of an elastic or flexible material deformation resulting from axial compression of elastic or flexible material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/40—Arrangements for rotating packages
    • B65H54/54—Arrangements for supporting cores or formers at winding stations; Securing cores or formers to driving members
    • B65H54/543—Securing cores or holders to supporting or driving members, e.g. collapsible mandrels
    • 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
    • B65H2701/313—Synthetic polymer threads

Definitions

  • the invention relates to a device for tensioning and releasing a winding tube, with a rotatable holder for the winding tube and with a clamping means for clamping the winding tube during its rotation, wherein the clamping means is connected via a power transmission means with a spring means and the clamping means due to on this spring force acting on the force transmission means, the winding tube clamps on the rotatable support.
  • a device of this type has become known from US 4,767,077, in which a sleeve for receiving a web by means of a number of split, the Spuldorn surrounding rings can be held if these rings widened by provided on the circumference of the mandrel, cooperating with inclined ramp surfaces rollers become. Furthermore, a pressing unit for generating an axial force is provided, which can press the rings together in the axial direction.
  • the structure shown is very complex and has a large number of items, with a hydraulic power generation is also provided.
  • a tensioning means for the winding tube is connected via a power transmission means with a spring, wherein the clamping means due to the spring force acting on this via the force transmission means clamps the winding tube to rotation and a in Winding direction designed as a freewheel release device is provided which remains in an inactive position upon rotation of the holder in the winding direction and which is adapted to move the power transmission means against the spring force upon rotation of the holder against the winding direction to cancel the clamping of the winding tube.
  • a freewheel is created, which makes it possible that the holder for the winding tube can be driven freely in the winding direction, however, in a rotation in the opposite direction blocking and thus releasing the winding tube takes place.
  • the turning against the winding direction is conveniently done by means of the spindle motor, but it can also be done by hand, with only a short turn necessary to allow the release.
  • the force transmission means is designed as a tubular sleeve, which sits on a driven by the spindle motor spool, with this connected to rotation and with respect to the same is longitudinally displaceable.
  • the release of the winding tube is particularly simple if the direction of rotation of the spindle motor is reversible, the spindle motor to release the winding tube whose holder rotates against the winding direction.
  • the tube sleeve is loaded with spring force with respect to the spool in the direction of its receiving end by means of the spring means.
  • an elastically deformable clamping ring is arranged, which upon compression by the Spring force evades radially outward and presses against the inner surface of the winding tube. It makes sense if the free end of the tube sleeve and the fixed clamping surface with respect to the chuck are chamfered.
  • the release device has a turntable connected to the power transmission means, the turntable, leaving a disc-shaped gap opposite a stationary, plate-shaped abutment is arranged in the turntable, the abutment facing with respect to the axis of rotation substantially arcuate Recesses for receiving a ball are formed, wherein the bottom of each recess in a direction of rotation is so far rising, that upon rotation of the spool and the turntable against the winding direction balls supported supported on the abutment and push the turntable against the spring force of the abutment, whereby the winding tube is released.
  • the turntable is arranged at the end remote from the coil receiving side end of the tube sleeve and it can also be provided that the turntable is arranged at the end remote from the coil receiving side end of the shaft.
  • the recesses can expediently extend radially outward in the direction of their deepest end region.
  • the spring means is a helical spring, which is arranged between a flange of the spool and the turntable, comprising the spool.
  • the turntable has a circumferential, the disc-shaped gap on its circumference covering collar.
  • the release means connected to the power transmission means, displaceable in the longitudinal direction of the winding axis and connected to the spool on rotation rotary ring with a toothing, at least one stationary but pivotally mounted pawl lift is provided, the a with respect to its pivot axis eccentrically extending teeth, which is associated with the teeth of the rotary ring, and upon rotation of the rotary ring in the winding direction, the teeth can slide together, is taken on rotation of the rotary ring against the winding direction of the latch lever by cooperation of the teeth of the rotary ring and him pushes away against the force of the spring, whereby the winding tube is released.
  • the release device has a turntable connected to the power transmission means, the turntable is leaving a gap opposite a stationary abutment is arranged on the turntable pivotable pawls are arranged, which can be supported on projections of the turntable are and can cooperate with stages of the abutment so that upon rotation of the spool and the turntable against the winding direction, the pawls are supported on the projections and on the steps and push away the turntable against the spring force of the abutment, whereby the winding tube is released
  • the pawls can slide freely over the stages, the corresponding approximation of the turntable (35) leads to the abutment for holding the winding tube.
  • a field-proven variant is characterized in that the tubular sleeve is connected to the spool on a formed in the tubular sleeve longitudinal slot and engaging in this, sitting on the spool pin on rotation.
  • FIG. 1 is a schematic sectional view of a device according to the invention, partially shown, with its clamping means in clamping position,
  • FIG. 3 is a turntable of the release device of the device according to the invention in a schematic and perspective view
  • FIG. 3a shows a schematic development of one of the recesses shown in FIG. 3,
  • FIG. 4 is a view corresponding to FIG. 1, a variant in which two cones are provided as a holder for the winding tube,
  • FIG. 5 shows a perspective partial view of another embodiment of the invention in a release position for a winding tube
  • Fig. 6 shows the embodiment of FIG. 5 in a clamping position for a winding tube
  • FIG. 7 and 8 show a detail of a freewheel of a further embodiment of the invention in an unwound representation in two working positions.
  • a device 1 has a spool 2 for receiving a winding tube 3, on which, for example, plastic threads can be wound up.
  • the winding tube 3 and the spool 2 are shown only partially here.
  • the spool 2 is connected to a spindle motor 33, which is mounted on a stationary frame 34.
  • a clamping means In order to tension the winding tube 3 on the spool 2, a clamping means is provided, which in the present case has an elastically deformable clamping ring 4, which preferably consists of a rubber-elastic material or may be formed as a circumferential spiral spring.
  • the clamping means is loaded by a force transmission means with the force of a spring means to tension the winding tube 3 on the spool 2.
  • the spring means is a coil spring 5, which is arranged between a flange 6 of the spool 2 and one end of a tube sleeve 7, which serves as a force transmission means.
  • the tubular sleeve 7 is connected to the spool 2 via a formed in the tubular sleeve longitudinal slot 8 and engaging in this, sitting on the spool pin 9 on rotation, in the axial direction of the mandrel axis a, however, limited longitudinally displaceable.
  • the clamping ring 4 is located in an annular gap 10, on the one hand - in the drawing on the left - from the free end 11 of the tube sleeve 7 and on the other hand by an all-round, with respect to the Spuldorns 2 fixed clamping surface 12 is formed.
  • the clamping surface 12 may be formed directly on the spool 2 or on a fixedly connected to the latter sleeve.
  • the invention is not limited to the use of a single clamping ring, but also several such clamping rings can be provided for a winding tube 3.
  • a further clamping ring 4 ' is located, wherein between the clamping ring 4 and this clamping ring 4' on the spool a longitudinally displaceable sleeve piece ⁇ 'is arranged.
  • a displacement of the tube sleeve 7 then presses not only the clamping ring 4 but, on the sleeve piece ⁇ 'and the clamping ring 4' together.
  • the invention provides a release device, which is adapted to move upon rotation of the spool 2 against the winding direction of the force transmission means, namely the tube sleeve 7 against the force of the spring to the clamping of the winding tube. 3 repealed.
  • the release device on a turntable 13 which is disposed on the side facing away from the Spulenafterseite end of the tube sleeve 7, wherein the turntable 13, leaving a disc-shaped gap 14 opposite a stationary, plate-shaped abutment 15 is arranged, the stationary and for example connected to the frame 34.
  • the turntable 13 has a circumferential, the disc-shaped gap 14 at its periphery covering collar 16, which as such is not essential to the invention.
  • each recess 17 is increasing in one direction of rotation and the recesses 17 have in their lowest end portion a radially outwardly extending portion 217 ..
  • each recess has a respect to the oblique, rising to this end bottom portion flat flattening 317.
  • a rotary ring 23 is provided instead of the loaded with the spring 5 turntable 13 of FIG. 1 and 2, which has a circumferential toothing 23z.
  • the rotary ring 23 is connected to the tube sleeve 7 and together with this displaceable in the axial direction.
  • the rotary ring 23 cooperates with a pawl lever 24 which is pivotable, e.g. by means of a pin 25, is mounted on a stationary support 26 and has a toothing 24z.
  • the toothing 24z of the pawl lever 24 is arranged eccentrically with respect to the pin 25 and its pivot axis and the pivoting movement of the pawl lever 24 is limited by two stops 24a, 25b, which cooperate with a stop pin 26a of the carrier 26.
  • the eccentric mounting of the lever 24 also ensures that it can come into contact with the teeth 23z of the rotary ring solely by gravity.
  • the latch lever could also be spring-loaded and it can be several such latch lever are used.
  • Fig. 5 corresponds to that of Fig. 2, i. the spring 5 is compressed, since upon rotation of the spool 2 in a first direction (indicated by an arrow) the pawl lever 24 is entrained by cooperation of the teeth 23z, 24z and pushes the rotary ring 23 against the force of the spring 5 until its stop 24b abuts against the stop pin 26a of the carrier 26. With the rotary ring 23, the tube sleeve 7 shifts, the clamping ring 4 is applied to the spool 2 and it can be a winding tube (not shown here) are pushed (see Fig .. 2).
  • FIG. 7 and 8 Another possibility of a freewheel in one direction of rotation is shown in Figs. 7 and 8 outlined.
  • a turntable 35 On a turntable 35, of which only a portion is shown in development, pivotable pawls 36 are provided and the turntable 35 opposite a fixed ring 37.
  • the turntable 35 is analogous to the turntable 13 of FIG. 1, 2 and 4 with a suitable clamping means connected via a power transmission means, with corresponding possibilities have already been shown above.
  • the pawls 36 Upon rotation of the turntable 35 in a first, indicated by an arrow direction, the pawls 36 are supported on the one hand on projections 35a of the turntable 35 and with their free ends on the other hand on steps 37a of the fixed ring 37. In this position, the turntable 35 is kept at a distance from the ring 37 by means of a power transmission means, e.g. the tube sleeve 7 of Fig. 1, 2 and 4, causes a winding tube is released. On the other hand, turning the turntable 35 in the other direction causes the pawls 36 to slide freely over the steps 37a, with the corresponding approach of the turntable 35 to the ring 37 for holding the winding tube.
  • a power transmission means e.g. the tube sleeve 7 of Fig. 1, 2 and 4
  • the pawls 36 may be spring loaded to ensure co-operation with the steps 37a under all circumstances. It is also possible to hold the pawls firmly, i. not pivotally mounted to anchor on the turntable, but they form as resilient pawls, so that in this way a cooperation with the steps 37 a is secured.
  • Flattening 317 of each recess 17 a small magnet 417 may be provided which is just so strong that it has a ball 18, provided that it is made of a magnetizable material, such as e.g. Steel, holds, in the area of this recess holds. Such magnets 417 may be cast or glued, for example, in the turntable 13.
  • the described design of the release device has the consequence that upon rotation of the spool 2, the tube sleeve 7 and the turntable 13 in one direction, which is selected against the winding direction, the balls 18 are supported during rolling on the abutment and the turntable 13th push away from the abutment 15 against the force of the spring 5.
  • the tube sleeve 7 is pushed away from the receiving end of the spool 2, in the drawing to the left, and the clamping ring 4 receiving annular gap 10 increases, so that the clamping ring 4 is no longer is squeezed and contracts radially inward.
  • This leads to the release of the winding tube 3. which ensures the relaxation of the sleeve in one direction of rotation and a frictional connection in the other direction of rotation.
  • the spool 2 After switching off the motor 33, the spool 2 is rotated by means of the motor, possibly also by hand, briefly in the opposite direction, whereby the balls reach again 8 to the other end of the recesses 17.
  • the flattening 317 makes it possible for the balls 18 to remain in place without the action of a torque of the spindle motor 33, which is expediently designed as a torque-controlled electric motor, so that the spring 5 remains compressed and the winding tube 3 is removed or retracted Wrapping can be exchanged for a blank.
  • a driven shaft 19 via a pin slot - Connection 9, 8 as a force transmission means provided hollow shaft 20 carries along rotation, which is thus driven and rotatable and limited in the axial direction displaceable.
  • the winding tube 3 is in this Ausry- tion with its two ends between two circular rotatable cones 21, 22 can be clamped, wherein a first cone 21 in the drawing in a manner not shown fixed and rotatably mounted (Fig. 4, right).
  • the second cone 22 is seated at the free end of the hollow shaft 20 and is therefore rotatably driven and displaceable in the direction of the axis a.
  • the spring 5 presses the hollow shaft 20 and thus the cone 22 against the one, left in the drawing end of the winding tube 3 and thus this with its other, right in the drawing end against the fixed, but rotatable Cone 21.
  • the loosening of the winding tube 3 is carried out in analogy to the process described above in connection with FIG. 2, wherein the hollow shaft 20 together with its cone 22 by the release device 13, 18, 15 is moved - in the drawing to the left - and the Winding tube 3 is released thereby.
  • the release device When the holder is rotated against the winding direction, the release device is intended to move the force transmission means against the spring force in order to release the clamping of the winding tube.
  • the above example of a freewheel with balls on inclined treads is just one of many options available to those skilled in the art. It is essential that by briefly rotating the spindle by the drive motor or manually against the winding direction, the coil is released or is clamped by a short turn in the winding direction.
  • embodiments can be used in which also only a circular arc-like recess, similar to the recess 17 of FIG. 3 and only one ball is used.
  • FIGS. 5 and 6 for example, an embodiment is shown which uses at least one eccentrically mounted pawl lever, which cooperates with a toothed ring. Because the Similar construction to those of Figs. 1 and 2 or 3, like reference numerals are used for the same or similar parts for the sake of simplicity.
  • a rotary ring 23 is provided instead of the loaded with the spring 5 turntable 13 of FIG. 1 and 2, which has a circumferential toothing 23z.
  • the rotary ring 23 is connected to the tube sleeve 7 and together with this displaceable in the axial direction.
  • the rotary ring 23 cooperates with a pawl lever 24 which is pivotable, e.g. by means of a pin 25, is mounted on a stationary support 26 and has a toothing 24z.
  • the toothing 24z of the pawl lever 24 is arranged eccentrically with respect to the pin 25 and its pivot axis and the pivoting movement of the pawl lever 24 is limited by two stops 24a, 25b, which cooperate with a stop pin 26a of the carrier 26.
  • the eccentric mounting of the lever 24 also ensures that it can come into contact with the teeth 23z of the rotary ring solely by gravity.
  • the latch lever could also be spring-loaded and it can be several such latch lever are used.
  • Fig. 5 corresponds to that of Fig. 2, i. the spring 5 is compressed, since upon rotation of the spool 2 in a first direction (indicated by an arrow) the pawl lever 24 is entrained by cooperation of the teeth 23z, 24z and pushes the rotary ring 23 against the force of the spring 5 until its stop 24b abuts against the stop pin 26a of the carrier 26. With the rotary ring 23, the tube sleeve 7 shifts, the clamping ring 4 is applied to the spool 2 and it can be a winding tube (not shown here) are pushed (see Fig .. 2).
  • turntable 35 On a turntable 35, of which only a section is shown in development, pivotable pawls 36 are provided and the turntable 35 is opposite a fixed, annular abutment 37.
  • the turntable 35 is analogous to the turntable 13 of FIG. 1, 2 and 4 connected with a suitable clamping means via a power transmission means, with corresponding possibilities have already been shown above.
  • the pawls 36 Upon rotation of the turntable 35 in a first, indicated by an arrow direction, the pawls 36 are supported on the one hand on projections 35a of the turntable 35 and with their free ends on the other hand on steps 37a of the fixed abutment 37. In this position, the turntable 35 is held at a distance from the ring 37, wherein via a power transmission means, e.g. the tube sleeve 7 of Fig. 1, 2 and 4, causes a winding tube is released. On the other hand, turning the turntable 35 in the other direction causes the pawls 36 to slide freely over the steps 37a, with the corresponding approach of the turntable 35 to the abutment 37 for holding the winding tube.
  • a power transmission means e.g. the tube sleeve 7 of Fig. 1, 2 and 4
  • the pawls 36 may be spring loaded to ensure co-operation with the steps 37a under all circumstances. It is also possible to hold the pawls firmly, i. not pivotally mounted to anchor on the turntable, but they form as resilient pawls, so that in this way a cooperation with the steps 37 a is secured.
  • the spring means may also be designed as magnetic springs or pneumatic springs.

Landscapes

  • Winding Of Webs (AREA)

Abstract

L'invention concerne un dispositif de serrage et de desserrage d'un tube de bobine (3), comprenant un support (2) pour le tube de bobine (3) pouvant tourner au moyen d'un moteur de broche (33), et un moyen de serrage (4) servant à bloquer le tube de bobine lors de sa rotation. Le moyen de serrage est relié à un moyen élastique (5) par l'intermédiaire d'un moyen de transmission de force (7), et le moyen de serrage (4) bloque le tube de bobine sur le support du fait de la force élastique exercée sur lui-même par le moyen de transmission de force (7; 20). Un moyen de serrage (4, 4a) pour le tube de bobine est relié à un ressort (5) par l'intermédiaire d'un moyen de transmission de force (7), le moyen de serrage bloquant le tube de bobine (3) en rotation du fait de la force élastique exercée sur lui-même par le moyen de transmission de force. Un dispositif de desserrage (13, 18, 15) réalisé sous la forme d'une roue libre dans le sens de l'enroulement reste en position inactive lors de la rotation du support dans le sens de l'enroulement et est configuré pour déplacer le moyen de transmission de force à l'encontre de la force élastique lors de la rotation du support (2) dans le sens inverse au sens de l'enroulement, pour annuler le blocage du tube de bobine.
EP13708066.9A 2012-01-25 2013-01-24 Dispositif de serrage et de desserrage d'un tube de bobine Active EP2807101B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT782012 2012-01-25
PCT/AT2013/050019 WO2013110108A1 (fr) 2012-01-25 2013-01-24 Dispositif de serrage et de desserrage d'un tube de bobine

Publications (2)

Publication Number Publication Date
EP2807101A1 true EP2807101A1 (fr) 2014-12-03
EP2807101B1 EP2807101B1 (fr) 2015-09-16

Family

ID=47842977

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13708066.9A Active EP2807101B1 (fr) 2012-01-25 2013-01-24 Dispositif de serrage et de desserrage d'un tube de bobine

Country Status (2)

Country Link
EP (1) EP2807101B1 (fr)
WO (1) WO2013110108A1 (fr)

Families Citing this family (8)

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Publication number Priority date Publication date Assignee Title
CN106629164B (zh) * 2017-02-09 2019-03-08 苏州威仕薄膜科技有限公司 一种贴膜卷绕管芯的张紧机构
CN108666129A (zh) * 2017-03-31 2018-10-16 浙江派尔电气有限公司 变压器电线放置架及其使用方法
CN108483202A (zh) * 2018-03-28 2018-09-04 怡达快速电梯有限公司 一种电梯轿底折叠护脚板及其折叠方法
CN109850694B (zh) * 2019-03-22 2020-05-15 廊坊鸿禹乔防水材料有限公司 一种卷材收卷装置
CN112141821A (zh) * 2020-10-11 2020-12-29 江苏蓝慧智能装备科技有限公司 一种收线盘夹具
CN115206696B (zh) * 2022-08-17 2024-04-05 南通通成电子有限公司 一种超级电容器的滚槽装置
CN116065270A (zh) * 2022-09-08 2023-05-05 邵阳佰龙竹木有限责任公司 一种棉麻倍捻装置
CN118004835B (zh) * 2024-03-21 2024-12-20 江苏今达纺织实业有限公司 纺织设备用自动卸料机构

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US3815836A (en) * 1971-02-11 1974-06-11 Barmag Barmer Maschf Sleeve chuck for thread winding device
US3998400A (en) * 1976-03-24 1976-12-21 Sperry Rand Corporation Quick release hub
US4767077A (en) 1986-02-03 1988-08-30 Hiroshi Kataoka Support shaft for winding/unwinding sheets
DE4033583A1 (de) * 1989-10-24 1991-04-25 Christian Ludwig Schnellspanner fuer eine huelse, wie insbesondere eine garnhuelse
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Also Published As

Publication number Publication date
WO2013110108A1 (fr) 2013-08-01
EP2807101B1 (fr) 2015-09-16

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