EP3636815B1 - Kettbaumanordnung - Google Patents

Kettbaumanordnung Download PDF

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Publication number
EP3636815B1
EP3636815B1 EP19216881.3A EP19216881A EP3636815B1 EP 3636815 B1 EP3636815 B1 EP 3636815B1 EP 19216881 A EP19216881 A EP 19216881A EP 3636815 B1 EP3636815 B1 EP 3636815B1
Authority
EP
European Patent Office
Prior art keywords
geometry
knitting machine
warp beam
bearing
machine according
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
EP19216881.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3636815A3 (de
EP3636815A2 (de
Inventor
Franz Exner
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.)
Karl Mayer Stoll R&D GmbH
Original Assignee
Karl Mayer Stoll R&D 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 Karl Mayer Stoll R&D GmbH filed Critical Karl Mayer Stoll R&D GmbH
Priority to EP19216881.3A priority Critical patent/EP3636815B1/de
Priority to CN202010128039.7A priority patent/CN112981696B/zh
Publication of EP3636815A2 publication Critical patent/EP3636815A2/de
Publication of EP3636815A3 publication Critical patent/EP3636815A3/de
Application granted granted Critical
Publication of EP3636815B1 publication Critical patent/EP3636815B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
    • D04B27/10—Devices for supplying, feeding, or guiding threads to needles
    • D04B27/16—Warp beams; Bearings therefor
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
    • D04B27/10—Devices for supplying, feeding, or guiding threads to needles
    • D04B27/16—Warp beams; Bearings therefor
    • D04B27/20—Warp beam driving devices

Definitions

  • the present invention relates to a warp knitting machine having a warp beam with a pin, the warp beam being journalled on the pin by a bearing arranged on the warp knitting machine and the warp beam being driven by a torque transmission arrangement on the pin.
  • EP 1 057 912 A1 describes a weaving machine with a warp beam which has projections on one of its pins which interact with a drive coupling member so as to produce a torque-transmitting connection between the drive and the warp beam.
  • the drive coupling member can be displaced in the axial direction of the warp beam.
  • a bearing is arranged on the pin, as a result of which the warp beam can be held in a bearing housing.
  • U.S. 5,058,398 describes a yarn feeding device for a circular knitting machine, in which warp beams are arranged in bearing shells that are open at the top.
  • EP 2 141 269 A1 describes a warp beam holding device in which a bearing is arranged on a warp beam.
  • the object on which the invention is based is that the handling of a warp beam of a warp knitting machine should be handled economically. This object is solved by the features of claim 1.
  • a drive unit By separating the torque transmission arrangement and the bearing arrangement, a drive unit can be dimensioned much smaller because a bearing function of the drive unit is not required.
  • the drive unit is only there for the actual drive.
  • the bearing arrangement can be optimized and adapted to the required needs. In the event of possible failures, the bearing arrangement can still be viewed and repaired separately from the drive unit and vice versa. Furthermore, handling of the warp beams can be automated by this arrangement.
  • the bearing arrangement preferably has a bearing and a bearing shell which is open at the top, the bearing being arranged in the bearing shell which is open at the top.
  • the camp is arranged on the warp beam and is connected to the warp beam emotional. Such an arrangement greatly simplifies the removal of the warp beam because there is no need to remove and fix the upper bearing shell. This simplifies the handling of the warp beam, which reduces set-up times and thus costs.
  • the bearing shell preferably fixes the bearing in the axial direction. By fixing the bearing in the axial direction, an axial movement of the bearing and thus of the warp beam is prevented.
  • the warp beam runs smoothly and the following machine arrangements do not have to compensate for any axial movement of the warp beam.
  • a first geometry is arranged on a free end of the journal and the torque transmission arrangement has a second geometry connected to a drive, the first geometry and the second geometry being matched to one another.
  • the adapted geometries allow torque to be transmitted from the drive to the warp beam. Furthermore, the warp beam can be changed with little effort due to the geometries. Changing the warp beam in this way means shorter set-up times, which are reflected in lower overall costs.
  • the second geometry part of a geometry arrangement, is preferably open upwards in a rest position.
  • the rest position is a position in which the warp beam can be changed.
  • the warp beam can be removed from the torque transmission arrangement upwards without the warp beam having to be displaced in its axial direction. The same applies to inserting the warp beam. Due to the easy handling of the warp beam, the set-up time is reduced, and thus the set-up costs are reduced.
  • At least one movable fixing element is provided to form a positive connection between the first geometry and the second geometry.
  • the fixing element guarantees a positive connection between the first geometry on the warp beam and the second geometry on the drive.
  • the torque transmission is ensured by the form fit and a possible play between the first geometry and the second geometry is reduced.
  • a smaller game increases the service life of such an arrangement, which reduces the maintenance effort and thus the maintenance costs.
  • the fixing element can preferably be moved between a torque transmission position and a release position.
  • the warp beam can be changed in the release position and the warp beam is driven in the torque transmission position. In the release position there is no positive connection, so that the warp beam can be removed.
  • the warp beam can be changed in the release position.
  • the fixing element can preferably be moved in an axial direction or in a radial direction of the warp beam.
  • a form-fitting connection can thus take place in that the fixing element is transferred in an axial direction into the torque transmission position.
  • the form fit can be achieved by moving the fixing element in the radial direction into the torque transmission position.
  • a suitable direction of movement of the fixing element can be selected. This creative freedom enables an economical implementation adapted to the conditions.
  • the fixing element is preferably actuated by a fixing mechanism.
  • the fixing mechanism is used to transfer the fixing element from the release position to the torque transmission position.
  • the warp beam can be released in a specific angular position by the fixing mechanism by the fixing mechanism moving the fixing element to the release position.
  • the fixing mechanism can have a servomotor, pneumatic or hydraulic cylinder or the like. This means that the warp beam can be changed easily with little effort, which reduces set-up costs and thus overall costs.
  • the fixing mechanism preferably has the fixing element, a fixing element guide and at least one lever.
  • the fixing element is guided through the fixing element guide in order to avoid tilting of the fixing element or other disturbances.
  • the lever reduces the force required to move the fixing element. Reduced performance means less force is required, resulting in low running costs. This arrangement accordingly increases the efficiency of the warp knitting machine.
  • the fixing mechanism preferably has a reset device.
  • the resetting device prevents unwanted movement of the fixing element.
  • the reset device increases the operational reliability of the arrangement.
  • the torque transmission arrangement preferably has a sensor arrangement.
  • the sensor arrangement can monitor the position of the fixing element and the angular position of the torque transmission device and can take on other safety-related monitoring tasks.
  • the first geometry is detachably arranged on the free end of the pin.
  • the connection between the geometry and the free end of the pin can be made by means of fasteners, such as screws or the like. Due to the detachable connection, the warp beam can be adapted to the respective needs and replaced if there are signs of wear.
  • the first geometry and the free end of the pin are formed in one piece.
  • a one-piece training reduces the acquisition costs.
  • a high torque transmission option is achieved by a one-piece design.
  • the warp beam can preferably be removed without tools.
  • a tool-free warp beam change reduces set-up times and set-up costs. Furthermore, the scope for automation solutions is opened up by a tool-free change of the warp beam, since an operator is no longer needed.
  • a pin 1 at one end of a warp beam 2 is shown.
  • a bearing 3 and a first geometry 4 are arranged on the pin 1 .
  • the first geometry 4 can be designed differently depending on the preferred embodiment. In the exemplary embodiment shown here, the first geometry 4 is detachably connected to the pin 1 .
  • FIG. 2 shows a bearing arrangement which has an upwardly open bearing shell 5 and 6 limitations.
  • the limitations 6 prevent movement of the bearing 3 to be held in the axial direction.
  • a second geometry 7 that is adapted to the first geometry 4 is also shown.
  • the second geometry 7 is connected to a torque transmission element 8 .
  • the second geometry 7 forms a geometry arrangement with the torque transmission element 8, which is open at the top in a rest position.
  • two fixing elements 9 are arranged to be movable in the radial direction and are in a release position.
  • the fixing elements 9 are shown in section in their release position.
  • the fixing elements 9 can be moved by a mechanism 10a.
  • In 4 is based on 3 shown how the fixing elements 9 perform a form fit for torque transmission between the first geometry 4 and the second geometry 7 behind it.
  • the fixing elements 9 are in a torque transmission position.
  • figure 5 is shown how the warp beam 2 is in the bearing shell 5.
  • a further preferred embodiment with a fixing element 9 is shown.
  • the fixing element 9 is guided by fixing element guides 11 and actuated by the lever 10 .
  • FIG. 7 shows a cross-section of a preferred embodiment, in which the fixing element 9 is in the release position.
  • the lever 10 is actuated against a reset mechanism 12 by a drive 13 .
  • the return mechanism 12 applies a force to the fixing member 9 to return it to the torque transmitting position.
  • the position of the fixing element 9 is monitored by a sensor arrangement 14 .
  • Figures 9 to 11 represent a further preferred embodiment.
  • the first geometry 4 and the pin 1 are formed in one piece.
  • the bearing shell 5 By attaching the bearing 3 to the warp beam 2, it is possible to design the bearing shell 5 as a bearing shell 5 that is open on one side. Due to the weight of the warp beam 2 and the relatively low peripheral speeds, the risk of the warp beam 2 jumping out of the bearing shell 5 is very low. It is thus possible to use the bearing shell 5 without a bearing cap.
  • the torque transmission arrangement points with the open side of the second geometry 7 upwards.
  • the reset mechanism 12 exerts a force that wants to move the fixing element 9 into the torque-transmitting position.
  • the drive 13 counteracts the return mechanism 12 via the lever 10 and holds the fixing element 9 in the release position. But he can Drive 13 as a fluid cylinder, electric motor assembly, gear - be designed rack and pinion assemblies or the like.
  • the warp beam 2 can be inserted.
  • the bearing 3 is inserted into the bearing shell 5 and the first geometry 4 automatically finds its place with the second geometry 7. If the warp beam 2 is in the bearing arrangement and the first geometry 4 is in the area of the second geometry 7, the fixing element 9 Form fit between the first geometry 4 and the second geometry 7 made.
  • the fixing element 9 is moved into the torque transmission position.
  • the drive 13 releases the lever 10 and the force of the reset mechanism 12 moves the fixing element 9 into the torque transmission position.
  • the fixing element 9 now produces a form-fitting connection between the first geometry 4 and the second geometry 7 without taking on the task of bearing.
  • the form fit is solely responsible for the torque transmission.
  • the sensor arrangement 14 monitors the position in which the fixing element 9 is located. The sensor arrangement 14 can carry out this monitoring either directly on the fixing element 9 or indirectly by measuring the lever 10 or other elements which serve to actuate the fixing element 9 .
  • the warp beam 2 can be driven according to the required conditions.
  • the warp beam 2 and the torque transmission arrangement 8 are rotated into the rest position. This means that the geometry arrangement with the second geometry 7 is open at the top. A corresponding position is detected by the sensor arrangement 14 . Then the fixing element 9 is moved into the release position. For this purpose, the drive 13 moves the lever 10 against the force of the reset mechanism 12 and moves the fixing element into the release position. In this release position there is no form fit between the first geometry 4 and the second geometry 7. The warp beam 2 can be removed upwards and another warp beam can be inserted into the device.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)
EP19216881.3A 2019-12-17 2019-12-17 Kettbaumanordnung Active EP3636815B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP19216881.3A EP3636815B1 (de) 2019-12-17 2019-12-17 Kettbaumanordnung
CN202010128039.7A CN112981696B (zh) 2019-12-17 2020-02-28 经轴组件

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19216881.3A EP3636815B1 (de) 2019-12-17 2019-12-17 Kettbaumanordnung

Publications (3)

Publication Number Publication Date
EP3636815A2 EP3636815A2 (de) 2020-04-15
EP3636815A3 EP3636815A3 (de) 2020-08-19
EP3636815B1 true EP3636815B1 (de) 2022-08-24

Family

ID=68944158

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19216881.3A Active EP3636815B1 (de) 2019-12-17 2019-12-17 Kettbaumanordnung

Country Status (2)

Country Link
EP (1) EP3636815B1 (zh)
CN (1) CN112981696B (zh)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2208660B (en) * 1987-08-15 1992-04-08 Sipra Patent Beteiligung Circular weft knitting machine
JP2000336553A (ja) * 1999-05-31 2000-12-05 Tsudakoma Corp 送出ワープビームの連結装置
DE20022453U1 (de) 2000-03-01 2001-09-06 Mayer Textilmaschf Kettenwirkmaschine mit einem Gestell zur Kettbaumlagerung
KR100374687B1 (ko) * 2000-03-01 2003-03-03 칼 마이어 텍스틸마쉰넨파브릭 게엠베하 방사 롤러 베어링을 위한 프레임을 갖는 경편기
DE102006026979B4 (de) * 2006-06-10 2008-07-31 Karl Mayer Textilmaschinenfabrik Gmbh Kettenwirkmaschine
EP1867769B1 (de) * 2006-06-13 2009-01-07 KARL MAYER TEXTILMASCHINENFABRIK GmbH Musterbaumanordnung
DE202007001038U1 (de) * 2007-01-24 2007-04-12 Mayer Textilmaschf Kettbaumanordnung
DE602008005869D1 (de) * 2008-07-02 2011-05-12 Schoenherr Textilmaschinenbau Kettbaumträgereinheit für eine Webmaschine, Kettenfaden-Zuführanordnung und Webmaschine mit einer derartigen Einheit
DE202010015410U1 (de) * 2010-11-12 2011-01-27 Karl Mayer China LTD., Changzhou Kettenwirkmaschine
EP3299501B1 (de) * 2016-09-26 2019-04-24 Karl Mayer Textilmaschinenfabrik GmbH Kettenwirkmaschine
DE102017007832A1 (de) * 2017-08-22 2019-02-28 Pumpenfabrik Wangen Gmbh Verfahren zur Herstellung eines Drehkolbens für eine Schraubenspindelpumpe

Also Published As

Publication number Publication date
CN112981696B (zh) 2023-10-20
EP3636815A3 (de) 2020-08-19
CN112981696A (zh) 2021-06-18
EP3636815A2 (de) 2020-04-15

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