EP2799603B1 - Partie de serrure pour une tricoteuse circulaire - Google Patents

Partie de serrure pour une tricoteuse circulaire Download PDF

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Publication number
EP2799603B1
EP2799603B1 EP14161967.6A EP14161967A EP2799603B1 EP 2799603 B1 EP2799603 B1 EP 2799603B1 EP 14161967 A EP14161967 A EP 14161967A EP 2799603 B1 EP2799603 B1 EP 2799603B1
Authority
EP
European Patent Office
Prior art keywords
cam
recesses
grooves
stitch
lock
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.)
Not-in-force
Application number
EP14161967.6A
Other languages
German (de)
English (en)
Other versions
EP2799603A2 (fr
EP2799603A3 (fr
Inventor
Johannes Martin Eppler
Bernd Boss
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.)
Sipra Patententwicklungs und Beteiligungs GmbH
Original Assignee
Sipra Patententwicklungs und Beteiligungs 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 Sipra Patententwicklungs und Beteiligungs GmbH filed Critical Sipra Patententwicklungs und Beteiligungs GmbH
Publication of EP2799603A2 publication Critical patent/EP2799603A2/fr
Publication of EP2799603A3 publication Critical patent/EP2799603A3/fr
Application granted granted Critical
Publication of EP2799603B1 publication Critical patent/EP2799603B1/fr
Not-in-force 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
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/32—Cam systems or assemblies for operating knitting instruments
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
    • D04B35/02—Knitting tools or instruments not provided for in group D04B15/00 or D04B27/00
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
    • D04B35/28—Devices for lubricating machine parts
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
    • D04B35/30—Devices for controlling temperature of machine parts

Definitions

  • the invention relates to a lock part for a circular knitting machine having at least one lock channel introduced into its surface for receiving and guiding a foot formed on a stitch forming tool.
  • Lock parts of circular knitting machines not only serve to drive off the stitch forming tools for stitch formation. With their surface, they also hold the knitting tools in their position. For example, prevent the lock parts that the cylinder needles of a circular knitting machine are thrown by the centrifugal forces occurring during rotation of the cylinder radially outward. In right-left machines, the board lock parts prevent tilting of the containment boards due to the force of the stitches.
  • the knitting tools are pressed against the cam surfaces. Since the stitch forming tools move relative to the lock parts, this results in frictional forces which lead to premature wear, in particular of the stitch forming tools. In addition, the friction leads to a considerable heat generation and requires a higher energy requirement of the drive of the machine. To keep the friction energy as low as possible, the lock parts are therefore lubricated.
  • the present invention has for its object to provide lock parts, in which the friction between its surface and the stitch forming tools is reduced.
  • a lock part for a circular knitting machine with at least one lock channel introduced into its surface for receiving and guiding a foot formed on a stitch forming tool which is characterized in that in the lock part surface additional depressions for reducing the friction surface between the lock part surface and the shaft the knitting tools are introduced.
  • the knitting tools that can be guided in the at least one lock channel can be needles, control boards, containment boards, swing plates, spring plates, spring pins, intermediate pins or pushers.
  • the depressions in the cam surface not only reduces the contact surfaces between the cam parts and the stitch forming tools and thereby reduces the friction, but also slows down the drainage of the lubricant on the cam surface.
  • the oil collects in the recesses, thereby forming oil reservoirs for improved lubrication.
  • the friction between the stitch forming tools and the cam surface is thereby further reduced, resulting in less wear and less heating of the knitting tools.
  • the lubricant requirement can be reduced.
  • the lock parts can also be individualized manufacturer-specific and easier to distinguish from copies.
  • the recesses are grooves or grooves which extend in the running direction of the stitch forming tools. These depressions can slow down the flow of the lubricant on the lock part surface from top to bottom over the entire width of the lock part.
  • the grooves or grooves may preferably extend parallel to the at least one lock channel, as a result of which the lock part surface is provided very uniformly with friction-reducing depressions.
  • the grooves or grooves may extend in a star shape from an oil nozzle exit.
  • the oil can be transported in these channels from bottom to top, thereby reducing oil consumption.
  • the depth of the grooves or grooves in the running direction of the stitch forming tools may decrease or otherwise vary.
  • a further reduction of the friction between the lock part and the stitch forming tools can also be effected by the fact that the lock part surface between the depressions is at least partially convex. This leads to only punctiform contact points between the stitch forming tools and the lock part surface. Oil can accumulate in the depressions.
  • a lock part which is provided with grooves or grooves running parallel to the lock channel
  • a knitting tool provided on its shaft with a flat projection insertable into one of the grooves or grooves, the projection preferably being non-contact in the groove or groove is running.
  • a lock part without the groove matching the projection can then not with operate this stitching tool. As a result, the copying of the lock parts can be further complicated.
  • the lock part 10 of a circular knitting machine, not shown Fig. 1 is in a known manner with a lock channel 11 for guiding a foot 12 of a knitting tool 13, of which a possible embodiment in Fig. 10 is shown provided.
  • the course of the lock channel depends on the ejection and retraction movements that the knitting tool 13 is to perform.
  • Parallel to the lock channel 11, two recesses 14, 15 are formed in the form of wide, shallow grooves in the surface 16 of the lock part 10. They serve to reduce the friction surface between the surface 16 of the lock member 10 and the shaft of the knitting tool 13. In addition, they slow down the drainage of lubricant on the surface 16 of the lock member in the direction of arrow 18.
  • the lubricant is partially absorbed in the recesses 14, 15, the thus form a lubricant reservoir.
  • the depth of the depressions 14, 15 can vary in the running direction 19 of the stitch forming tools 13.
  • Fig. 2 shows a second embodiment of a lock part 20, which is provided in addition to the lock channel 21 with this parallel, groove-shaped recesses 22 in its surface 26.
  • the depressions 22 also provide for a reduction of the contact surface between a stitch forming tool 13 and the surface 26 of the lock part 20.
  • lubricant running down the surface 26 is partially spread over the entire width of the lock part 20 collected. As a result, the resulting friction between mesh forming tools 13 and the lock part 20 can be reduced, the Restrict lubricant requirements and reduce the energy requirement of the drive of the circular knitting machine.
  • Fig. 3 In contrast to the embodiments of the Fig. 1 and 2 has the lock part 30 Fig. 3 a plurality of arranged in a regular grid, blind hole-like depressions 32. These are also suitable for reducing the frictional surface between the stitch forming tools 13 and the lock member 30 and for absorbing outflowing lubricant.
  • FIGS. 4a and 4b show lock parts 40 and 45, each with arrow-shaped depressions 41, 42, of which the recesses 41 in the running direction of the lock 43 and the recesses 42 extend opposite thereto.
  • the recesses 41, 42 form an oil reservoir. They are also conical shaped, so that with the wells 41 a kind of pumping effect is achieved for the oil.
  • the oppositely directed depressions 42 serve as a catch for excess oil. Instead of the arrow shape, a trough shape for the depressions 41, 42 could also be selected.
  • Fig. 5a, b shows a lock part 50, wherein the recesses are designed such that hill-shaped projections 52 give the contact surfaces with the stitch forming tools. As a result, friction occurs between the knitting tools and the cam surface only at punctiform locations.
  • the hill-shaped elevations 52 can also be arranged offset from one another.
  • Lock part 60 shown has from oil inlet or outlet openings 61 star-shaped outgoing grooves 62 as depressions. All grooves 62 are increasing in the direction 63 of the lock part 60. As a result, the oil can be conveyed in the grooves from bottom to top, whereby the oil consumption can be reduced. In the opposite direction of the lock part 60, the grooves 62 for the oil drain from the lock part 60 can be used.
  • a further lock part 70 is shown with horizontally extending, groove-shaped depressions 71.
  • This lock part is characterized by a very simple production.
  • Fig. 8 shows a lock part 80 with intersecting, rectilinear grooves 81 as depressions. By this course of the grooves 81, the oil can be evenly distributed over the lock part surface.
  • Fig. 9c is a variant of the lock part 30 off Fig. 3 shown.
  • the lock member 30 ' is not in one piece, but from a base plate 35 (FIG. Fig. 9a ) and two shell parts 36a, b ( Fig. 9b ) produced.
  • a lock channel 31 for the foot of a knitting tool (not shown) is introduced.
  • the two shell parts 36a, b are provided with blind hole-like depressions 32 and are fastened to the base plate 35 such that the lock channel 31 is exposed between the shell parts 36a, b.
  • the lock channel 31 can also be formed exclusively between the shell parts 36a, b or in a one-piece shell part.
  • various shell parts 36a, b can be arranged, which can reduce the cost of producing the lock part 30 'can be reduced.
  • the recesses 14, 15, 22, 32, 41, 42, 51, 62, 71, 81 in the lock parts 10 to 80 can also be used to customize the lock parts of a manufacturer and to make it difficult to make unauthorized copies.
  • This copy protection can be further increased if the knitting tools 13 are adapted to the lock part 10 or its recesses 14, 15 individually, such as Fig. 10 clarified.
  • the lock part 10 with the recesses 14, 15 is shown together with a knitting tool 13.
  • the knitting tool 13 has, as usual, a foot 12, which is guided in the lock channel 11 and thereby provides for the withdrawal and retraction movements of the knitting tool 13.
  • the knitting tool 13 is provided with a projection 17 which engages and smoothly moves along the groove-shaped recess 14 as the foot 12 is moved along the lock channel.
  • the knitting tool 13 is thus adapted exactly to the lock part 10 and can not be used together with other lock parts, for example the lock parts 20, 30 or conventional lock parts without depressions in the surface.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)

Claims (12)

  1. Pièce de came pour une tricoteuse circulaire, avec au moins un canal de came (11, 21, 31) pratiqué dans sa surface (16, 26) et destiné à recevoir et guider un pied (12) formé sur un outil de formation de mailles (13), caractérisée en ce que des renfoncements supplémentaires (14, 15 ; 22, 32) sont pratiqués dans la surface (16, 26) de la pièce de came afin de réduire la surface de frottement entre la surface (16, 26) de la pièce de came et la tige des outils de formation de mailles (13).
  2. Pièce de came selon la revendication 1, caractérisée en ce que les renfoncements (14, 15 ; 22) sont des cannelures ou des rainures qui s'étendent dans la direction de marche (19) des outils de formation de mailles (13).
  3. Pièce de came selon la revendication 2, caractérisée en ce que les cannelures ou rainures (14, 15 ; 22) s'étendent parallèlement au canal de came (11, 21) au moins unique.
  4. Pièce de came selon la revendication 1, caractérisée en ce que les renfoncements sont des cannelures ou des rainures qui s'étendent en étoile à partir d'une sortie de gicleur d'huile de la pièce de came.
  5. Pièce de came selon la revendication 1, caractérisée en ce que les renfoncements sont des canaux ou des cannelures qui se croisent.
  6. Pièce de came selon la revendication 1, caractérisée en ce que les renfoncements sont réalisés en forme de cylindre, de flèche ou de cuvette.
  7. Pièce de came selon l'une des revendications précédentes, caractérisée en ce que la profondeur des renfoncements (14, 15, 22) varie dans la direction de marche (19) des outils de formation de mailles (13).
  8. Pièce de came selon la revendication 1, caractérisée en ce que la surface de la pièce de came entre les renfoncements est réalisée au moins sectoriellement convexe.
  9. Pièce de came selon l'une des revendications précédentes, caractérisée en ce que la pièce de came est formée par une plaque de base sur laquelle est disposée au moins une partie de coque formant la surface de la pièce de came.
  10. Pièce de came selon l'une des revendications précédentes, caractérisée en ce que les outils de formation de mailles (13) pouvant être guidés dans le canal de came (11, 21, 31) au moins unique sont des aiguilles, des platines de commande, des platines de cueillage, des platines pivotantes, des platines à ressort, des broches à ressort, des broches intermédiaires ou des poussoirs.
  11. Outil de formation de mailles pour une pièce de came selon la revendication 3, caractérisé en ce qu'il est pourvu sur sa tige d'une saillie plate (17) pouvant être introduite dans une des rainures ou cannelures (14).
  12. Outil de formation de mailles selon la revendication 11, caractérisé en ce que la saillie (17) se déplace sans contact dans la rainure (14) ou cannelure.
EP14161967.6A 2013-05-02 2014-03-27 Partie de serrure pour une tricoteuse circulaire Not-in-force EP2799603B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013208066.2A DE102013208066A1 (de) 2013-05-02 2013-05-02 Schlossteil für eine Rundstrickmaschine

Publications (3)

Publication Number Publication Date
EP2799603A2 EP2799603A2 (fr) 2014-11-05
EP2799603A3 EP2799603A3 (fr) 2014-12-10
EP2799603B1 true EP2799603B1 (fr) 2016-05-11

Family

ID=50389270

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14161967.6A Not-in-force EP2799603B1 (fr) 2013-05-02 2014-03-27 Partie de serrure pour une tricoteuse circulaire

Country Status (8)

Country Link
US (1) US20140326023A1 (fr)
EP (1) EP2799603B1 (fr)
JP (1) JP2014218771A (fr)
CN (1) CN104131403A (fr)
DE (1) DE102013208066A1 (fr)
ES (1) ES2586485T3 (fr)
PT (1) PT2799603T (fr)
TW (1) TWI614380B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105970465B (zh) * 2016-07-12 2018-02-02 周一江 一种小圆机动态变直径编织调节装置
CN110578204A (zh) * 2018-06-07 2019-12-17 广东南豆科技有限公司 一种针织机针道润滑机构
EP3597807B1 (fr) 2018-07-18 2021-02-24 Groz-Beckert KG Outil de machine à tricoter, en particulier aiguille à tricoter de machine à tricoter

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE20423E (en) * 1937-06-22 Knitting machine
US1483844A (en) * 1922-11-13 1924-02-12 Carter William Co Mechanism for lubricating the needles and needle cam tracks of knitting machines
US3817058A (en) * 1971-09-22 1974-06-18 V Lombardi Cylinder and dial construction for knitting machines
US3882694A (en) * 1973-03-14 1975-05-13 Vyzk Vyvojovy Ustav Vseobe Adjustable needle cam support
DD214392A1 (de) * 1982-11-30 1984-10-10 Marx Strickmaschbau Karl Beschichtungsverfahren, vorzugsweise fuer schlossteile, insbesondere bei textil-, strickmaschinen
IT1178748B (it) * 1984-12-10 1987-09-16 Lonati Spa Macchina circulare per maglieria, in particolare per calze, con lubrificazione a ciclio continuo
DE3815457A1 (de) * 1988-05-06 1989-11-16 Sipra Patent Beteiligung Strickmaschine
DE3937390C2 (de) * 1989-11-10 1995-06-29 Sipra Patent Beteiligung Strickmaschine
DE4007253A1 (de) * 1990-03-08 1991-09-12 Sipra Patent Beteiligung Strickmaschine
DE4024101C2 (de) * 1990-07-30 1999-11-18 Sipra Patent Beteiligung Träger in Zylinder-, Ring-, Platten- oder Scheibenform o. dgl. an einer Rundstrickmaschine
JP2989708B2 (ja) * 1992-01-16 1999-12-13 株式会社福原精機製作所 編機用編針
EP0674033B1 (fr) * 1994-03-14 1998-12-23 Lube Corporation Procédé et dispositif de lubrification pour un métier à tricoter circulaire
US5881571A (en) * 1996-10-07 1999-03-16 Tompkins Brothers Company, Inc. Stitch cam for a circular knitting machine
DE19727498A1 (de) * 1997-06-27 1999-01-07 Sipra Patent Beteiligung Rundstrickmaschine mit einer Rippscheibenanordnung und einer Schmiervorrichtung
DE19740985C2 (de) * 1997-09-18 1999-09-30 Groz Beckert Kg Gestanztes Strickwerkzeug
JP2000008258A (ja) * 1998-06-16 2000-01-11 Precision Fukuhara Works Ltd 編成部品冷却装置
ITMI20010241A1 (it) * 2001-02-07 2002-08-07 Matec Spa Dispositivo di azionamento degli aghi macchine per maglieria calzetteria o simili
DE10316702A1 (de) * 2003-04-08 2004-10-28 Sipra Patententwicklungs- Und Beteiligungsgesellschaft Mbh Verfahren und Strickmaschine zur Herstellung von Strickwaren, insbesondere aus hartem, unelastischem Fadenmaterial
US7036340B1 (en) * 2005-09-06 2006-05-02 Pai Lung Machinery Mill Co., Ltd. Heat dissipating system of high-speed circular knitting machine
EP1911867B1 (fr) * 2006-10-10 2017-05-03 Groz-Beckert KG Fonture avec des nervures interrompues
EP2067885B1 (fr) * 2007-12-08 2011-07-20 Groz-Beckert KG Fonture avec conduits de fluide
EP2196568B1 (fr) * 2008-12-11 2011-11-23 Groz-Beckert KG Elément de came et machine à tricoter
US7607322B1 (en) * 2008-12-17 2009-10-27 Monarch Knitting Machinery Corp. Circular knitting machine with sinker cams facilitating high-speed operation
CN201620244U (zh) * 2010-03-04 2010-11-03 谢文彬 一种简易式的针织大圆机的山角
DE102010050402A1 (de) * 2010-11-03 2012-05-03 Sipra Patententwicklungs- Und Beteiligungsgesellschaft Mbh Strickmaschine
CN202023046U (zh) * 2011-03-29 2011-11-02 泉州佰源机械有限公司 一种双面针织大圆机的三角装置
CN202099527U (zh) * 2011-05-12 2012-01-04 泉州佰源机械有限公司 一种单面针织大圆机的出针三角

Also Published As

Publication number Publication date
EP2799603A2 (fr) 2014-11-05
TW201508116A (zh) 2015-03-01
CN104131403A (zh) 2014-11-05
TWI614380B (zh) 2018-02-11
EP2799603A3 (fr) 2014-12-10
US20140326023A1 (en) 2014-11-06
PT2799603T (pt) 2016-07-13
ES2586485T3 (es) 2016-10-14
DE102013208066A1 (de) 2014-11-06
JP2014218771A (ja) 2014-11-20

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