EP1963712A1 - Arrangement de guidage pour un moyen d enroulement et outil de moulage par injection pour fabriquer un arrangement de guidage - Google Patents

Arrangement de guidage pour un moyen d enroulement et outil de moulage par injection pour fabriquer un arrangement de guidage

Info

Publication number
EP1963712A1
EP1963712A1 EP06818085A EP06818085A EP1963712A1 EP 1963712 A1 EP1963712 A1 EP 1963712A1 EP 06818085 A EP06818085 A EP 06818085A EP 06818085 A EP06818085 A EP 06818085A EP 1963712 A1 EP1963712 A1 EP 1963712A1
Authority
EP
European Patent Office
Prior art keywords
guide
arrangement according
guide arrangement
guide device
tongues
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.)
Withdrawn
Application number
EP06818085A
Other languages
German (de)
English (en)
Inventor
Hans-Walter Wodtke
Thomas Krauss
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.)
Schaeffler Buehl Verwaltungs GmbH
LuK Lamellen und Kupplungsbau GmbH
Original Assignee
LuK Lamellen und Kupplungsbau Beteiligungs KG
LuK Lamellen und Kupplungsbau 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 LuK Lamellen und Kupplungsbau Beteiligungs KG, LuK Lamellen und Kupplungsbau GmbH filed Critical LuK Lamellen und Kupplungsbau Beteiligungs KG
Publication of EP1963712A1 publication Critical patent/EP1963712A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/18—Means for guiding or supporting belts, ropes, or chains
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H9/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members
    • F16H9/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion
    • F16H9/04—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes
    • F16H9/12—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members
    • F16H9/16—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members using two pulleys, both built-up out of adjustable conical parts
    • F16H9/18—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members using two pulleys, both built-up out of adjustable conical parts only one flange of each pulley being adjustable

Definitions

  • the present invention relates to a guide arrangement for a belt with at least one guide device comprising at least two corresponding guide tongues, between which the belt is at least partially guided, wherein the guide tongues are held at a predetermined distance from each other by means of a connecting portion. Furthermore, the invention relates to an injection molding tool for producing a guide device of a guide arrangement for a belt, comprising two corresponding Spritzgusstechnikmaschinemaschinen ..
  • a guide arrangement for guiding or receiving a belt means for a transmission in particular for a Kegelschei- benumschlingungsgetriebe (CVT transmission) known.
  • the wrap means is used for torque transmission between two pairs of discs, the wrap means being e.g. a chain or a band is.
  • a receiving rail is provided as a guide means for partially receiving the belt.
  • the receiving rail comprises corresponding tongues, between which the belt is guided.
  • the present invention has for its object to propose a guide arrangement of the type mentioned, which is designed such that the Ab- stood between the guide tongues regardless of temperature fluctuations is kept approximately constant.
  • the proposed guide arrangement for a belt with at least one guide device comprising at least two corresponding guide tongues, between which the belt is at least partially guided, wherein the guide tongues are held at a predetermined distance by means of a connecting portion.
  • a possible embodiment of the present invention may provide that the material of the guide device is essentially provided a plastic with a high coefficient of thermal expansion, wherein preferably the connecting portion of the guide means comprises at least one element or the like made of a material having a lower coefficient of thermal expansion. It is Z. B. possible that the connecting portion is made in sections of a material having a lower coefficient of thermal expansion than the material otherwise used for the guide device.
  • the guide tongues and also the connecting region are predominantly made of a plastic with a relatively high thermal expansion. tion coefficient, since this material represents optimal sliding or guiding properties for the belt.
  • a high-temperature polymer such as polyamide PA 46 or the like can be used as a pair of materials in this context, and be used as a material with lower coefficients of thermal expansion CK 75 steel or the like.
  • the guide means is used for example made of steel, aluminum or GRP plastic with foamed friction surface and the element or insert is made of a material having a different coefficient of thermal expansion.
  • connections between the guide tongues are provided as a connection region, wherein the connections are formed by screws, pins, rivets or other connection means with a low expansion coefficient.
  • the element is at least partially integrated in the connecting region of the guide device.
  • the element may e.g. be formed in the connection area in the production of the guide device.
  • the element is releasably connected to the guide device.
  • the element can also be attached to this after the manufacture of the guide device.
  • the attachment may e.g. by a positive connection or the like, e.g. a locking, are realized at the connection region of the guide device.
  • the element may be formed as an approximately U-shaped metal bracket.
  • the metal bracket may preferably be made of a CK 75 steel having a relatively low thermal expansion coefficient.
  • the U-shaped configuration is preferably used when the element is fitted as an insert in the web-shaped connection region.
  • the dimension of the base of the U-shaped metal bracket may correspond approximately to the dimension of the connection area in order to realize an optimal compensation of the thermal expansions.
  • the legs of the U-shaped metal bracket may have transition areas, according to, a next training in the respectively associated guide tongue are formed. In this way, a sufficient rigidity of the guide device is ensured.
  • the guide arrangement according to the invention can according to a next development of the invention have an approximately web-shaped connection region for holding the corresponding guide tongues at a predetermined distance.
  • the guide tongues serve as guide rails or slide rails.
  • By the web-shaped connection region a cross-sectionally approximately U-shaped form of the guide means is provided.
  • the approximately web-shaped connection region may preferably have an oval-shaped recess.
  • the elliptical shape of the recess causes a favorable force curve in the region of the connecting web and prevents the formation of stresses in the event of severe temperature fluctuations. As a result, cracks or other damage to the joint area is prevented.
  • the guide arrangement proposed according to the invention can be used with different wrappers.
  • the guide assembly can be used in normal chain drives, chains for a CVT transmission, in Zahnkettenantrieben or the like.
  • the object of the invention is also achieved by an injection molding tool for producing a guide device of a guide arrangement for a belt, comprising two corresponding Spritzgusstechnikmaschinemaschinen.
  • an injection molding tool for producing a guide device of a guide arrangement for a belt comprising two corresponding Spritzgusstechnikmaschinemaschinen.
  • at least the element made of a material with a lower coefficient of thermal expansion is held in an injection mold half.
  • the guide device is produced from a plastic, it can be provided, for example, that the element is held in one of the injection-molding tool halves for producing the guide device.
  • brackets of various types can be used.
  • the injection molding tool half has at least one magnet or the like for holding the element.
  • the Spritzgusstechnikmaschinemaschineh half eg positioning pins or the like, which align the element in a desired manner on the injection mold.
  • Figure 1 is a three-dimensional schematic view of a possible embodiment of a guide arrangement according to the invention for a belt means
  • Figure 2 is a partial sectional view of the guide assembly when manufactured in an injection molding tool
  • Figure 3 is an enlarged three-dimensional partial view of the guide assembly according to the invention.
  • Figure 4 is an enlarged three-dimensional partial view of an element to be integrated in the guide assembly.
  • FIG. 1 shows a three-dimensional view of a possible embodiment of a guide arrangement according to the invention for a looping means (not shown further).
  • the guide arrangement comprises a guide device 1, which has at least two corresponding guide tongues 2, 3, between which a belt is guided at least partially.
  • the two guide tongues 2, 3 form as slide rails a guide channel for the belt, in order to reduce vibrations of the belt.
  • the two guide tongues 2, 3 are held at a predetermined distance a by means of a common connection region 4.
  • the connection region 4 is broken away or partially cut away in FIG. 1, so that an integrated element is visible. This representation is indicated in FIG. 1 by a circle.
  • the connecting region 4 is approximately web-shaped with an approximately trapezoidal base.
  • the guide device 1 is made in this embodiment of the present invention from a high temperature polymer, namely a polyamide PA 46. This material PA 46 has a high thermal expansion coefficient.
  • the guide arrangement is made of materials having different coefficients of thermal expansion in order to keep the distance a between the guide tongues 2, 3 approximately constant even in the case of temperature changes.
  • a compensation can be realized by the different thermal expansion of the materials by the combination of materials with different thermal expansion coefficients. Consequently, the guide arrangement according to the invention can ensure an approximately constant guiding property for the belting means even at different ambient temperatures.
  • the guide tongues 2, 3 and the connecting portion 4 are made in this embodiment of plastic with a high coefficient of thermal expansion.
  • the connecting region 4 additionally has the element already indicated in FIG. 1 made of a material having a lower coefficient of thermal expansion, such as, for example, CK75 on.
  • the element is formed as an approximately U-shaped metal bracket 5 and formed in the cross-sectionally also approximately U-shaped connecting portion 4, as can be seen from Figure 2.
  • FIG. 2 shows an enlarged partial sectional view of the guide device 1 during production.
  • the guide device 1 is in a Spritzgusstechnikmaschinemaschinehnote 6, in which the guide device 1 has been made.
  • the metal bracket 5 is fastened to the injection molding tool 6 or to one of the injection molding tool halves 6 prior to production of the production device 1.
  • a magnet 7 is provided on the Spritzgusstechnikmaschinehgan 6, with the metal bracket 5 is held before and during the injection process in a certain position.
  • positioning pins 8, 9 are provided, which are each held in a recess 10, 11.
  • the positioning pins 8, 9 are used for correct alignment of the metal bracket 5 during the injection process in the manufacture of the guide device 1.
  • a counter-holder 18 is provided on the injection mold half 6.
  • the transition between the base 12 of the U-shaped metal bracket 5 and the legs 13, 14 of the U-shaped metal bracket 5 is formed in each case as a bead for stiffening.
  • FIG. 3 shows an enlarged partial view of the guide arrangement according to the invention. From this view, it can be seen that the web-shaped connecting region 4 has an approximately trapezoidal base surface, which has an oval-shaped recess 15 approximately in the center. The resulting elliptical shape of the edge region of the recess 15 an optimal distribution of force acts on the connection region 4, so that no critical thermal stresses occur which can cause damage even with strong temperature fluctuations.
  • a further embodiment of the metal bracket 5 ' is shown, in the connection region 4 z. B. can be integrated by encapsulation.
  • the base 12 of the metal bracket 5 ' can be adapted to the shape of the web-shaped connection region 4.
  • the U-shaped legs 13, 14 of the metal bracket 5 ' may have extended transition regions 16, 17, which are formed in the guide tongues 2, 3 in the injection molding of the guide device 1, to a total of greater rigidity and optimal integration of the metal bracket 5' in to realize the guide device 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

L’invention concerne un arrangement de guidage pour un moyen d’enroulement comprenant au moins un dispositif de guidage (1), lequel comprend au moins deux languettes de guidage (2, 3) correspondantes entre lesquelles le moyen d’enroulement est guidé au moins partiellement, les languettes de guidage (2, 3) étant maintenues à un écart prédéfini entre elles au moyen d’une zone de liaison (4). En cas de changement de température, l’écart entre les languettes de guidage (2, 3) est approximativement constant grâce à l’utilisation de matériaux ayant des coefficients de dilatation thermique différents pour le dispositif de guidage (1). L’invention concerne en plus un outil de moulage par injection pour fabriquer un dispositif de guidage (1) d’un arrangement de guidage pour un moyen d’enroulement comprenant deux moitiés (6) correspondantes d'outil de moulage par injection, au moins un élément réalisé dans un matériau à faible coefficient de dilatation thermique étant maintenu dans une moitié (6) d’outil de moulage par injection.
EP06818085A 2005-12-13 2006-11-22 Arrangement de guidage pour un moyen d enroulement et outil de moulage par injection pour fabriquer un arrangement de guidage Withdrawn EP1963712A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005059410 2005-12-13
PCT/DE2006/002054 WO2007068229A1 (fr) 2005-12-13 2006-11-22 Arrangement de guidage pour un moyen d’enroulement et outil de moulage par injection pour fabriquer un arrangement de guidage

Publications (1)

Publication Number Publication Date
EP1963712A1 true EP1963712A1 (fr) 2008-09-03

Family

ID=37684044

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06818085A Withdrawn EP1963712A1 (fr) 2005-12-13 2006-11-22 Arrangement de guidage pour un moyen d enroulement et outil de moulage par injection pour fabriquer un arrangement de guidage

Country Status (6)

Country Link
EP (1) EP1963712A1 (fr)
JP (1) JP5272246B2 (fr)
KR (1) KR20080080986A (fr)
CN (1) CN101331347B (fr)
DE (1) DE112006003124A5 (fr)
WO (1) WO2007068229A1 (fr)

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DE102009035226A1 (de) 2008-08-21 2010-02-25 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Steckverbindungsanordnung
JP5614223B2 (ja) * 2010-10-14 2014-10-29 日産自動車株式会社 無段変速伝動機構
WO2012120633A1 (fr) * 2011-03-08 2012-09-13 トヨタ自動車株式会社 Transmission à variation continue du type courroie
DE102012213762A1 (de) 2011-08-24 2013-02-28 Schaeffler Technologies AG & Co. KG Führungseinrichtung für ein Umschlingungsmittel eines Kegelscheibenumschlingungsgetriebes
DE102012218376A1 (de) * 2011-10-20 2013-04-25 Schaeffler Technologies AG & Co. KG Einrichtung zur Führung eines Umschlingungsmittels eines Kegelscheibenumschlingungsgetriebes
DE102013201541A1 (de) 2012-02-29 2013-08-29 Schaeffler Technologies AG & Co. KG Führungseinrichtung für ein Umschlingungsmitteleines Kegelscheibenumschlingungsgetriebes
JP6003268B2 (ja) * 2012-06-14 2016-10-05 株式会社ジェイテクト スタビライザ装置および無段変速機
DE102013211748A1 (de) * 2012-07-17 2014-01-23 Schaeffler Technologies AG & Co. KG Führungseinrichtung für ein Umschlingungsmittel eines Kegelscheibenumschlingungsgetriebes
DE102013212582A1 (de) 2012-07-25 2014-01-30 Schaeffler Technologies AG & Co. KG Führungseinrichtung für ein Umschlingungsmitteleines Kegelscheibenumschlingungsgetriebes
ITTO20130640A1 (it) 2013-07-29 2015-01-30 Dayco Europe Srl Sistema di trasmissione comprendente una cinghia dentata bagnata d'olio
CN105556169B (zh) * 2013-09-20 2018-10-16 舍弗勒技术股份两合公司 链引导元件
DE102014226157B4 (de) 2014-12-17 2016-10-20 Schaeffler Technologies AG & Co. KG Stufenlosgetriebe und Drehmomentübertragungseinrichtung für ein Fortbewegungsmittel
DE102015204227A1 (de) * 2015-03-10 2016-09-15 Schaeffler Technologies AG & Co. KG Gleitsystem für ein Umschlingungsgetriebe und Verwendung einer Gleitschiene für ein Umschlingungsmittel
DE102017118431B3 (de) 2017-08-14 2018-12-20 Schaeffler Technologies AG & Co. KG Gleitschiene für ein Umschlingungsgetriebe
DE102017127643B3 (de) 2017-11-23 2019-03-14 Schaeffler Technologies AG & Co. KG Gleitschiene für ein Umschlingungsgetriebe
DE102019108714A1 (de) * 2019-01-09 2020-07-09 Schaeffler Technologies AG & Co. KG Gleitschiene für ein Umschlingungsgetriebe

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Also Published As

Publication number Publication date
KR20080080986A (ko) 2008-09-05
CN101331347B (zh) 2011-04-06
WO2007068229A1 (fr) 2007-06-21
CN101331347A (zh) 2008-12-24
JP2009519410A (ja) 2009-05-14
JP5272246B2 (ja) 2013-08-28
DE112006003124A5 (de) 2008-08-28

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