EP3597804B1 - Fadenspannungsbeeinflussungseinrichtung für eine zwirn- oder kabliermaschine - Google Patents

Fadenspannungsbeeinflussungseinrichtung für eine zwirn- oder kabliermaschine Download PDF

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Publication number
EP3597804B1
EP3597804B1 EP19186713.4A EP19186713A EP3597804B1 EP 3597804 B1 EP3597804 B1 EP 3597804B1 EP 19186713 A EP19186713 A EP 19186713A EP 3597804 B1 EP3597804 B1 EP 3597804B1
Authority
EP
European Patent Office
Prior art keywords
thread
roller
deflection roller
deflection
transport direction
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.)
Active
Application number
EP19186713.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3597804A1 (de
Inventor
Cenk Duralti
Ingo Filz
Sergei Singer
Georg Tetzlaff
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.)
Saurer Technologies GmbH and Co KG
Original Assignee
Saurer Technologies GmbH and Co KG
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 Saurer Technologies GmbH and Co KG filed Critical Saurer Technologies GmbH and Co KG
Publication of EP3597804A1 publication Critical patent/EP3597804A1/de
Application granted granted Critical
Publication of EP3597804B1 publication Critical patent/EP3597804B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H13/00—Other common constructional features, details or accessories
    • D01H13/10—Tension devices
    • D01H13/104—Regulating tension by devices acting on running yarn and not associated with supply or take-up devices
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H13/00—Other common constructional features, details or accessories
    • D01H13/10—Tension devices
    • 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
    • B65H54/70—Other constructional features of yarn-winding machines
    • B65H54/71—Arrangements for severing filamentary materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
    • B65H59/10—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by devices acting on running material and not associated with supply or take-up devices
    • B65H59/18—Driven rotary elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B65H63/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material
    • B65H63/024—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials
    • B65H63/036—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the combination of the detecting or sensing elements with other devices, e.g. stopping devices for material advancing or winding mechanism
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H13/00—Other common constructional features, details or accessories
    • D01H13/26—Arrangements facilitating the inspection or testing of yarns or the like in connection with spinning or twisting
    • 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

Definitions

  • the invention relates to a thread tension influencing device for a twisting or cabling machine, a workstation of a twisting or cabling machine comprising such a thread tension influencing device and a twisting or cabling machine comprising such a workstation.
  • the thread monitoring device has a pivoting lever mounted on a pivot axis, on which a thread guide roller running over from the thread to be monitored is mounted and which is elastically supported by a support member that can be adjusted according to a predetermined thread tension.
  • the pivoting lever has a switching element for interrupting the thread run and/or for switching off the thread processing point as soon as the actual thread tension deviates from a predetermined thread tension value by a certain amount.
  • the support member is supported pneumatically, with two support members preferably serving to support the pivoted lever, which are supported pneumatically by membranes which have different sizes of effective membrane area.
  • the textile machine has at least one drive shaft running in the longitudinal direction, to which the thread processing devices are each connected via an endless traction device, the drive shaft being equipped with a large number of drive devices for guiding and driving an endless traction device in each case. Due to a special arrangement of the endless traction device and deflection and guide grooves on the bearing shaft of the overhung leading roller, the endless traction device can be easily and easily replaced if necessary.
  • the leading roller which usually consists of a pair of compartments, the twisted or cabled thread is fed to a traversing thread guide, which winds the thread onto a take-up bobbin with oscillating movements.
  • the leading roller reduces the pretension of the thread before it is wound up.
  • a deflection roller is associated with the leading roller and can be pivoted about the same axis of rotation about which the leading roller rotates. With the deflection roller, the angle of wrap of the thread around the leading roller can be increased or decreased. Accordingly, with a larger angle of wrap, a greater reduction in thread tension is brought about, and with a smaller angle of wrap, a smaller reduction in thread tension is brought about. By reducing the pre-tension of the thread, the bobbin build-up of the cross-wound bobbin can be improved.
  • the leading roller is usually a so-called pneumatic differential thread feeler as well as further deflection rollers upstream.
  • the differential thread sensor monitors the running thread for a drop in tension and cuts the thread if necessary. Before the twisting process starts, the differential thread sensor is adjusted pneumatically centrally for each side of the machine.
  • the deflection rollers ensure that the thread comes out of the balloon thread guide coming, is first guided through the differential thread sensor and then fed to the deflection roller located in front of the leading roller.
  • the manual threading of the thread is difficult for the operator in the area of the thread tension influencing device between the balloon thread guide and the winding device.
  • the yarn is guided in a meandering pattern between the serrated lock washers.
  • the peripheral speed is higher than the winding speed. Depending on the angle of wrap around the leading pulley, more or less tension is reduced.
  • a first aspect of the invention therefore relates to a thread tension influencing device for a twisting or cabling machine for feeding a thread via a traversing thread guide to a package
  • a thread treatment device comprising a thread treatment device, a first deflection roller downstream of the thread treatment device in the thread transport direction for guiding the thread from a balloon thread guide through the thread treatment device and for deflection of the thread, a second deflection roller downstream of the first deflection roller in the direction of thread transport for further deflection of the thread, a third deflection roller arranged downstream of the second deflection roller in the direction of thread transport for adjusting the angle of wrap of the thread around a leading roller, and a leading roller arranged downstream of the third deflecting roller in the direction of thread transport for regulating the thread tension .
  • the thread tension influencing device is characterized in that the thread treatment device upstream of the first deflection roller in the direction of thread transport is a thread clamping and cutting device, that there is a sensor device for monitoring the thread that is arranged downstream of the first deflection roller in the direction of thread transport, the second deflection roller on another level having a through the Axis of rotation of the first deflection roller formed horizontal plane is arranged.
  • the second deflection roller is arranged on a different plane of a horizontal plane formed by the axis of rotation of the first deflection roller is to be understood within the meaning of the invention that the deflection rollers lying on a plane formed by the respective axes of rotation can be arranged differently.
  • a parallel, vertical arrangement of the rotational axes of the deflection rollers is just as conceivable as an inclined arrangement, the inclined arrangement containing any angle from the vertically parallel arrangement up to 15° in relation to the horizontal plane formed by the rotational axis of the first deflection roller.
  • the first and second deflection rollers were arranged almost on a horizontal plane and at a relatively small center distance, so that it was more difficult for the operator to thread the thread properly.
  • the thread sensor which can be set electronically centrally for each side of the machine, ensures that a drop in tension or an overload of the thread is reliably detected, for example when using a thread tension sensor.
  • the thread clamping and cutting device is controlled in such a way that the remaining second thread is clamped and cut.
  • an optical sensor can also be used, for example, which detects a missing thread and/or a single thread.
  • the signal from the thread sensor can also initiate an error message, for example in the form of an optically recognizable error message by a signal lamp at the work site, a spindle and/or overrun roller stop.
  • the deflection rollers, the thread clamping and cutting device, the sensor device and the leading roller are arranged on a housing of the thread tension influencing device.
  • a protective cap is preferably detachably attached to the housing and at least partially covers the overfeed roller.
  • the leading roller comprises a pair of serrated lock washers between which the thread is guided in a meandering pattern.
  • a protective cap is detachably arranged on the housing.
  • the protective cap can be easily removed to remove a spool of thread from/from the leader pulley or to replace the leader pulley. It is conceivable, for example, to fasten the protective cap by means of at least one screw, although other detachable fastening options are also conceivable within the scope of the invention.
  • the sensor device is advantageously connected upstream of the second deflection roller.
  • the sensor device is arranged between the first and second deflection rollers, a distance is generated between these two deflection rollers in particular, which enables easier handling. Since the two deflection rollers are also arranged on different horizontal planes formed by their axes of rotation, manual handling is further optimized.
  • the sensor device is also arranged in such a way that the measuring slot is accessible from the front in a plan view of the thread tension influencing device, the thread to be threaded slides automatically into the measuring slot when being guided over the deflection rollers.
  • the angle of a straight line through the axes of rotation of the first and second deflection rollers to the horizontal plane of the axis of rotation of the first deflection roller is between 15° and 75°.
  • leading roller can be driven by a continuous central shaft by means of a belt and can be uncoupled by means of a switchable clutch.
  • the threads can be inserted into the effective range of the leading roller during the starting process without the risk of tangling. This also makes take-off handling safer and easier. There is also no longer any risk of injury when the thread is fed into a permanently rotating overfeed.
  • the leading roller can only be driven at the work stations where the twisting process is carried out. This means that if not all jobs are in operation during the twisting process, the feed roller is only driven at the jobs that produce a twist; the leading roller is not driven at unoccupied work stations.
  • leading roller can be driven by a motor.
  • leading roller is driven directly by a single motor or the motor drive is transferred to the leading roller by means of a transmission element, not only can the advantages described above be achieved, but each leading roller can be driven at a separately controlled speed, which, in addition to the angle of wrap, also affects the Tension control of the thread to be wound affects.
  • a second aspect of the invention therefore relates to a workstation of a twisting or cabling machine for winding a thread via a traversing thread guide to form a package, with a thread tension influencing device comprising a first deflection roller, which is downstream of a thread treatment device in the thread transport direction, for guiding the thread from a balloon thread guide through the thread treatment device and for deflection of the thread, a second deflection roller downstream of the first deflection roller in the direction of thread transport for further deflection of the thread, a third deflection roller arranged downstream of the second deflection roller in the direction of thread transport for adjusting the angle of wrap of the thread around a leading roller, and a leading roller arranged downstream of the third deflecting roller in the direction of thread transport for regulating the thread tension .
  • a thread tension influencing device comprising a first deflection roller, which is downstream of a thread treatment device in the thread transport direction, for guiding the thread from a balloon thread guide through the thread treatment device and for deflection of
  • the work station is characterized in that the thread tension influencing device is formed by a thread tension influencing device according to one of the embodiments described above.
  • a third aspect of the invention therefore relates to a twisting or cabling machine with a large number of work stations for winding a thread via a traversing thread guide to form a take-up bobbin, with a thread tension influencing device comprising a first deflection roller, which is arranged downstream of a thread treatment device in the direction of thread transport, for guiding the thread from a balloon thread guide through the Thread treatment device and for deflecting the thread, a second deflection roller downstream of the first deflection roller in the thread transport direction for further deflection of the thread, a third deflection roller downstream of the second deflection roller in the thread transport direction for adjusting the angle of wrap of the thread around a leading roller, and a leading roller downstream of the third deflecting roller in the thread transport direction to regulate the thread tension.
  • a thread tension influencing device comprising a first deflection roller, which is arranged downstream of a thread treatment device in the direction of thread transport, for guiding the thread from a balloon thread guide through the Thread treatment device and for
  • the twisting or cabling machine is characterized in that at least one work station is formed by a work station according to the embodiment described above.
  • twisting or cabling machine designed in this way, overall machine operation is made easier for the personnel, which also has a positive effect on the efficiency of the entire twisting or cabling machine. Since one person usually looks after several machines, each with a large number of jobs, work steps that are easier to carry out mean a time and effort advantage.
  • the simplified thread guidance or the simplified threading of the thread reduces sources of error that result from incorrect positioning of the thread in the thread tension influencing device.
  • twisting or cabling machine 1 is shown in a schematic front view.
  • Such textile machines each have a large number of identical work stations 2 in the area of their long machine sides.
  • Such textile machines generally have a drive and operating unit 6 arranged at the end of the machine, in which, for example, the required energy devices, various drives and a central control device 7 are installed.
  • the twisting or cabling machine 1 also has a bobbin transport system, the schematically illustrated delivery point of which is marked with the reference number 8 .
  • the work stations 2 of twisting or cabling machines 1 with external thread feed each have a gate 3, which serves to accommodate at least a first feed bobbin 4, from which a so-called external thread is drawn off.
  • Such work stations 2 each have a spindle, which is not shown in more detail in the figures of the present application for reasons of better clarity, which is driven by a spindle drive.
  • a spindle drive can be a motor, which drives the spindle directly, or an indirect drive, for example a belt drive.
  • Each spindle arranged behind a slidably mounted protective wall 5 also carries, as usual, a second supply bobbin on a stationary bobbin pot base arranged on the spindle, from which a so-called inner thread is pulled overhead, which is fed to a balloon thread guide 18 above the spindle.
  • the outer thread is drawn off from the first feed spool 4, which is stored in the creel 3, in this embodiment it is further guided over a creel thread brake 9, and then encircles the spindle, forming a free thread balloon.
  • the twisting point, in which the outer and inner threads converge, is located in this device, which is also known as the balancing system.
  • the thread tension influencing device 10 is arranged, by means of which the twisted thread 17 is fed via the advance roller 11 to a winding device 12 .
  • the winding device 12 has, as usual, a drive roller 13 and a traversing thread guide 14 .
  • the thread is wound onto a take-up bobbin 16, which is driven by the drive roller 13 and held in a creel 15 by friction.
  • FIG 2 shows a thread tension influencing device 10 according to the invention.
  • the thread 17 is fed by the balloon thread guide 18 in the thread transport direction F to a first deflection roller 21 and in the process passes a thread clamping and cutting device 19.
  • the thread 17 is guided from the first deflection roller 21 in the direction of a second deflection roller 22, with the thread 17 passes a sensor device 20 .
  • From the second deflection roller 22, the thread 17 passes via a third deflection roller 23 to the leading roller 11.
  • the third deflection roller 23 can be positioned manually, as is known and therefore not explained in detail here, in various positions, so that the thread 17 runs onto the leading roller 11 with a different angle of wrap. This means that with a larger angle of wrap there is a greater reduction in thread tension and with a smaller angle of wrap there is less reduction in thread tension.
  • the thread 17 is wound from the leading roller 11 via a traversing thread guide 14 with oscillating movements onto a take-up bobbin 16 which is rotated by the drive roller 13 . Furthermore, a protective cap 24 is attached to the housing 25 of the thread tension influencing device 10, as a result of which the rotating advance roller 11 is at least partially covered.
  • a control and display panel with function keys is arranged on the front side of the housing 25 of the thread tension influencing device 10, via which, for example, the thread tension influencing device 10 can be activated or deactivated.
  • figure 3 shows the thread tension influencing device 10 figure 2 in side view.
  • the leading roller 11 is driven via a belt 28 by a central shaft 29 arranged along the length of the machine.
  • FIG 3 shows figure 3 an advantageous range of the angle of a straight line 27, which is formed by the axes of rotation of the first deflection roller 21 and the second deflection roller 22 with respect to the horizontal plane 26 formed by the axis of rotation of the first deflection roller 21.
  • the angle marked ⁇ 1 is 15°, while the angle marked ⁇ 2 is 75°.
  • FIG 4 shows an exemplary embodiment of the thread tension influencing device 10, in which the leading roller 11 is driven by a central shaft 29 via a belt 28.
  • a clutch is identified by the reference numeral 30, which is designed here as a disc clutch.
  • the flange of the clutch housing is fastened with fastening points in the housing 25 of the device 10 for influencing the thread tension.
  • Such a switchable clutch 30 can be used, for example, to decouple the leading roller 11 from the driving central shaft 29 when winding thread, i.e. the front disk of the clutch 30 continues to rotate after decoupling, but the rotation is no longer transmitted to the leading roller 11 , causing it to stop. Since clutches 30 are known per se and are not the subject matter of the invention, a detailed description is omitted at this point.
  • FIG 5 shows an alternative embodiment in which the leading roller 11 is driven by a single motor.
  • a motor 31 which drives the feed roller 11 directly.
  • a transmission element 32 designed here as a belt
  • the drive roller 13 is additionally driven by the motor 31 . If there is a drop in tension in the thread 17 or if the thread breaks, the motor 31 is stopped and the feed roller 11 stops rotating. As a result, for example, a spool of thread that has occurred can be safely removed without the leading rollers 11 of the other work stations 2 also having to be shut down.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Quality & Reliability (AREA)
  • Tension Adjustment In Filamentary Materials (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
EP19186713.4A 2018-07-20 2019-07-17 Fadenspannungsbeeinflussungseinrichtung für eine zwirn- oder kabliermaschine Active EP3597804B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018005732.2A DE102018005732A1 (de) 2018-07-20 2018-07-20 Fadenspannungsbeeinflussungseinrichtung für eine Zwirn- oder Kabliermaschine

Publications (2)

Publication Number Publication Date
EP3597804A1 EP3597804A1 (de) 2020-01-22
EP3597804B1 true EP3597804B1 (de) 2022-10-26

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Family Applications (1)

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EP19186713.4A Active EP3597804B1 (de) 2018-07-20 2019-07-17 Fadenspannungsbeeinflussungseinrichtung für eine zwirn- oder kabliermaschine

Country Status (5)

Country Link
US (1) US11268216B2 (es)
EP (1) EP3597804B1 (es)
CN (1) CN110735200B (es)
DE (1) DE102018005732A1 (es)
ES (1) ES2934833T3 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD931740S1 (en) * 2019-09-06 2021-09-28 Saurer Technologies GmbH & Co. KG Quality sensor
CN114325984B (zh) * 2021-12-30 2023-03-28 江苏欣达通信科技股份有限公司 光缆生产用放线装置
CN116902691B (zh) * 2023-09-12 2023-11-17 常州虹纬纺织有限公司 一种赛络包芯纱卷绕装置及其工作方法

Citations (1)

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Also Published As

Publication number Publication date
ES2934833T3 (es) 2023-02-27
DE102018005732A1 (de) 2020-01-23
US20200024775A1 (en) 2020-01-23
CN110735200A (zh) 2020-01-31
US11268216B2 (en) 2022-03-08
EP3597804A1 (de) 2020-01-22
CN110735200B (zh) 2022-02-25

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