EP3198066A1 - Cage assembly having a guide element - Google Patents
Cage assembly having a guide elementInfo
- Publication number
- EP3198066A1 EP3198066A1 EP15771287.8A EP15771287A EP3198066A1 EP 3198066 A1 EP3198066 A1 EP 3198066A1 EP 15771287 A EP15771287 A EP 15771287A EP 3198066 A1 EP3198066 A1 EP 3198066A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cage
- support
- guide element
- guide
- respective end
- 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
Links
- 239000004753 textile Substances 0.000 claims abstract description 9
- 239000000835 fiber Substances 0.000 description 24
- 239000002131 composite material Substances 0.000 description 6
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000009420 retrofitting Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007378 ring spinning Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/70—Constructional features of drafting elements
- D01H5/86—Aprons; Apron supports; Apron tensioning arrangements
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/56—Supports for drafting elements
Definitions
- the invention relates to a cage assembly for a drafting system of a textile machine with a cage for guiding two guide straps enclosing a pair of pressure rollers, having a cage support, which is detachably mounted on a middle attachment point of the cage and has two facing away end faces, and with a guide element. whose respective end projects beyond the two end faces of the cage support, wherein the cage has a deflection edge for deflecting the guide straps.
- a cage assembly of this type is known from DE 10 2009 018 125 A1 and the
- CN 201 756 61 1 U known.
- a guide element in the form of a round rod via a cage support is releasably attached to a cage.
- the cage support which is referred to as a "spacer" in CN 201 756 61 1 U, is attached to the cage via a snap connection separately from the guide element, the cage having a central fastening point in the form of a peg-like projection for this purpose
- the cage support with the guide element can be very easily clipped onto the cage and also easily detached from the cage.
- the cage support has on its underside a support surface for direct contact with the cage Support surface with which the cage support rests directly on the cage, together with the snap connection during assembly, ensures precise positioning of the cage support and guide element on the cage During the delay in a drafting zone of the drafting system, two fiber assemblies guided by the tacking unit are moved between two adjacent drafting systems units guided past the guide element.
- the guide element is positioned over the cage support in the draft zone so that the fiber composites are easily deflected from their actual default direction.
- the guide element exerts on the fiber composites in the draft zone an executive.
- the fiber composites each exert a force on the guide element, which is caused by the friction between the two fiber composites and the guide element.
- the force acting on the guide element in each case varies, ie the two are spaced apart from one another. forces acting on each other on the guide element are pronounced to different degrees. This has the negative effect that a torque acts on the guide element during the distortion of the fiber composites.
- the invention is therefore based on the object to improve the cage unit of the type described in such a way that rotation of the guide element is prevented by the middle attachment point of the cage during the delay.
- the object is achieved in that the cage assembly between the respective deflection edge and the guide element at a distance from the central attachment point of the cage has at least one support element for supporting the respective end of the guide element.
- the support element prevents rotation of the cage support and the guide element about the middle attachment point of the cage during the delay. This ensures that the guide element is positioned exactly on the cage during the delay.
- the distance between the support element to the middle attachment point is advantageously between 20-50 mm.
- the distance to the middle attachment point is calculated from an inner side of the support element facing the middle attachment point.
- the support element has a width of 2-10 mm in the direction of the respective deflection edge. This ensures that the guide element is sufficiently supported by the support element. A rotation of the guide element during the delay is thereby prevented.
- the support element is connected to the respective deflection edge with the cage.
- the support element stands thereby from the due deflecting edge in the direction of the respective end of the guide element.
- the support element is for example molded onto the respective deflection edge of the cage.
- the cage assembly with a support element is thereby inexpensive to produce. It is also possible that the support element is releasably connected to the respective deflection edge with the cage, for example via a snap connection or a screw connection. This makes it possible to retrofit existing cage assemblies with a support element.
- the support element has a support surface for supporting the respective end of the guide element.
- the support surface is located on one side of the support element, which is directed to the respective end of the guide element.
- the respective end of the guide element can be sufficiently supported on the support element. A rotation of the guide element during the delay is thereby prevented.
- the support surface ensures that, when the geometry of the cage support and the associated change in position of the guide element change transversely to the conveying direction of the fiber structure, the respective end of the guide element continues to be sufficiently supported on the support element.
- the support element is releasably secured, for example via a snap connection or a screw connection, at the respective end of the guide element.
- the respective end of the guide element can thereby be supported via the support element on the deflection edge of the cage. A rotation of the guide element is prevented.
- this makes it possible to retrofit existing cage units with a support element.
- the support element is attached to the respective end of the guide element.
- This also makes it possible to retrofit existing cage units with a support element.
- the support element for attachment to the guide element has a receptacle.
- the receptacle is designed to match the cross-sectional shape of the guide element.
- the support element is characterized by the simply slide onto the respective end of the guide element.
- the receptacle extends over the entire width of the support element or only part of the width of the support element.
- the receptacle is round or teardrop-shaped.
- FIG. 1 is a perspective view of a belonging to the prior art cage assembly for a drafting of a textile machine
- FIG. 2 shows a cross section of a drafting system of a textile machine with a cage unit according to FIG.
- FIG. 3 shows a perspective view of a cage assembly according to the invention for a drafting system of a textile machine
- FIG. 4 shows a partial side view X of the cage assembly according to FIG.
- FIG. 5 is a perspective view of another inventive cage unit for a drafting of a textile machine.
- a cage unit 1 shown in FIGS. 1 and 2 essentially consists of a pair of pressure rollers 2, a cage 3 and two guide straps 4a and 4b.
- the printing roll twin 2 is formed by two top rollers 5a and 5b, which are arranged freely rotatably on a fixed axis 6.
- the cage 3 has a receptacle 7 for the axis 6.
- the cage 3 also has two deflection edges 8a and 8b for deflecting the guide straps 4a and 4b.
- 3 side guides 9 are provided for the ceremoniessriemchen 4a and 4b on the cage.
- the cage assembly 1 can be used for two adjacent drafting units 10a and 10b of a drafting system of a textile machine, preferably in a ring spinning machine.
- the cage unit 1 is held on the axle 6 in a load carrier, not shown. Due to the load carrier, the upper rollers 5a and 5b are pressed against a drivable lower roller 12 (FIG. 2).
- the cage unit 1 shown in FIG. 1 and FIG. 2 also contains a cage support 13 and a guide element 14 for guiding two fiber assemblies 15.
- the guide element 14 projects beyond the two end faces 35a, 35b of the cage support 13 pointing away from one another with its respective end 14a, 14b
- the cage support 13 is mounted on the cage 3 separately from the guide element 14 via a snap connection.
- the cage 3 has a central attachment point 23 in the form of a pin-like projection 23.
- the cage support 13 has a pin-like projection 23 associated recess 29.
- the cage support 13 can thereby be very easily clipped to the cage 3 together with the guide element 14 and released again from the cage 3.
- the cage support 13 has a groove-shaped receptacle 31. About the receptacle 31, the cage support 13 is pushed onto a front edge 32 of the cage 3 and positioned on the cage 3. The function of the cage support 13 and the guide element 14 will be explained with reference to FIG. 2.
- FIG. 2 schematically shows a drafting unit 10a.
- the cage unit 1 with its upper roller 5a, the cage 3 and the guide belt 4a is associated with a lower roller 12.
- a fiber structure 15 to be distorted passes through the roller pair 12, 5a in the transport direction A.
- the lower roller 12 is assigned a guide belt 16, which is additionally guided by a lower apron guide 17.
- the lower roller 12 and the lower apron guide 17 extend over a plurality of adjacent drafting units 10a, 10b.
- the pair of rollers 12, 5a is a pair of rollers 18, 19 arranged downstream, which is driven at a higher peripheral speed. Between the roller pair 12, 5a and the roller pair 18, 19, the fiber structure 15 is warped, so that following the roller pair 18, 19, a thinner fiber structure is present. lies.
- the drafting system may contain further roller pairs, not shown.
- the fiber structure 15 is guided by the guide straps 16, 4a. So that the fiber structure 15 in the draft zone 20 is not compressed too much by the guide straps 16 and 4a, it is provided that the deflection edge 8a for the upper apron 4a has a defined distance from the deflection edge 21 of the lower apron guide 17. This distance between the deflecting edges 21 and 8a is referred to as jaw width. By using different cage supports 13 with different geometry, the jaw width can be changed. To improve the guidance of the fiber structure 15 in the drafting zone 20, a guide surface 22 of the guide element 14 is arranged downstream of the guide aprons 16 and 4a.
- the guide surface 22 is formed by the outer circumference of a rod which extends over the entire cage unit 1.
- the guide surface 22 is preferably positioned so that the fiber structure 15 is easily deflected from an imaginary joining line, which is formed by the shortest connection between the exit of the guide straps 16, 4a and the nip line of the roller pair 18, 19.
- the guide member 14 exerts on the fiber structure 15 in the drafting zone 20 in the deflection on an executive.
- the fiber structure 15 exerts a force on the guide element 14, which is caused by the friction between the fiber structure 15 and the guide element 14.
- the cage unit 1 according to the invention also contains a cage support 13 with a guide element 14 for guiding a fiber structure 15.
- the guide element 14 projects beyond its two ends 14a, 14b away from one another.
- the cage support 13 is mounted separately from the guide member 14 via a snap connection to the cage 3.
- the cage 3 also has for this purpose a central attachment point 23 in the form of a pin-like projection 23.
- the cage support 13 has a pin-like projection 23 associated recess 29.
- the cage support 13 can thereby be very easily clipped to the cage 3 together with the guide element 14 and released again from the cage 3.
- the cage support 13 has a groove-shaped receptacle 31 for the cage 3.
- the cage support 13 is pushed onto a front edge 32 of the cage 3 and positioned on the cage 3.
- a support element 25a, 25b for supporting the respective end 14a, 14b of the guide element 14 is arranged.
- the support element 25a, 25b is molded onto the respective deflection edge 8a, 8b of the cage 3.
- the distance 24 of the support member 25a, 25b to the middle attachment point 23 is 35 mm.
- the distance 24 to the middle attachment point 23 is calculated from an inner side 33a, 33b of the support element 25a, 25b facing the middle attachment point 23.
- the support member 25a, 25b prevented during the delay rotation of the cage support 13 and the guide member 14 about the central attachment point 23 of the cage 3. This ensures that the guide member 14 is positioned exactly on the cage 3 during the delay.
- the support element 25a, 25b has a width 26 of 8 mm in the direction of the deflection edge 81, 8b.
- the support element 25a, 25b has a support surface 28 for supporting the respective end 14a, 14b of the guide element 14.
- the support surface 28 is located on a side facing the guide member 14 side.
- the respective end 14a, 14b of the guide member 14 on the support member 25a, 25b sufficiently supported.
- the support surface 28 also ensures that, given a change in the geometry of the cage support 13 and the concomitant change in position of the guide element 14 transversely to the conveying direction A of the fiber structure 15, the respective end 14a, 14b of the guide element 14 continues to be sufficiently supported on the support element 25a, 25b is.
- the second cage unit 1 also contains a cage support 13 with a guide element 14 for guiding a fiber structure 15.
- the guide element 14 projects beyond its two ends 14a, 14b End faces 35a, 35b of the cage support 13.
- the cage support 13 is mounted separately from the guide member 14 via a snap connection to the cage 3.
- the cage 3 also has for this purpose a central attachment point 23 in the form of a pin-like projection 23.
- the cage support 13 has a pin-like projection 23 associated recess 29.
- the cage support 13 can thereby be very easily clipped to the cage 3 together with the guide element 14 and released again from the cage 3.
- the cage support 13 has a groove-shaped receptacle 31 for the cage 3. About the receptacle 31, the cage support 13 is pushed onto a front edge 32 of the cage 3 and positioned on the cage 3.
- the support member 25a, 25b releasably secured to the respective end 14a, 14b of the guide member 14.
- the support element 25a, 25b is attached at the respective end 14a, 14b of the guide element 14.
- the support element 25a, 25b has a receptacle 34 which extends over part of the width 26 of the support element 25a, 25b.
- the recording 34 is round, ie formed to match the cross-sectional shape of the guide member 14.
- the support member 25a, 25b simply on the respective end 14a, 14b of the guide member 14 can be pushed.
- the respective end 14a, 14b of the guide element 14 can be supported on the respective deflecting edge 8a, 8b of the cage 3 via the support element 25a, 25b.
- a rotation of the guide member 14 about the pin-like projection 23 is thereby prevented during the delay.
- the support element 25a, 25b is arranged at a distance 24 from the middle attachment point 23 or pin-like projection 23 of the cage 3.
- the distance 24 from the middle attachment point 23 is calculated from an inner side 33a, 33b of the support element 25a, 25b facing the middle attachment point 23.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Rolling Contact Bearings (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH01434/14A CH710141A1 (en) | 2014-09-23 | 2014-09-23 | Cage assembly with a guide element for a drafting arrangement of a textile machine. |
PCT/IB2015/057193 WO2016046712A1 (en) | 2014-09-23 | 2015-09-18 | Cage assembly having a guide element |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3198066A1 true EP3198066A1 (en) | 2017-08-02 |
EP3198066B1 EP3198066B1 (en) | 2018-01-31 |
Family
ID=54207645
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15771287.8A Active EP3198066B1 (en) | 2014-09-23 | 2015-09-18 | Cage assembly having a guide element |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3198066B1 (en) |
CN (1) | CN107109713B (en) |
CH (1) | CH710141A1 (en) |
WO (1) | WO2016046712A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016109170A1 (en) * | 2016-05-19 | 2017-11-23 | Maschinenfabrik Rieter Ag | Cage unit and guide element |
DE102019114662A1 (en) * | 2019-05-31 | 2020-12-03 | Maschinenfabrik Rieter Ag | Cage for a pair of pressure rollers of a drafting system |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2501889Y (en) * | 2001-10-21 | 2002-07-24 | 于强 | Improved spinning frame upper pin |
DE10252631A1 (en) * | 2002-11-11 | 2004-05-19 | Maschinenfabrik Rieter Ag | Sliver drawing unit for a spinning machine, with a condenser, has a guide to deflect the sliver path before condensing, in a controlled movement preventing short fibers from projecting out of the sliver |
DE10348452B4 (en) * | 2003-10-17 | 2008-07-03 | Deutsche Institute für Textil- und Faserforschung Stuttgart | Drafting system with twin top rollers wrapped in aprons |
CN2934278Y (en) * | 2006-08-15 | 2007-08-15 | 杨小红 | Lower pin fibre-additive control collector |
CN200940176Y (en) * | 2006-08-15 | 2007-08-29 | 杨小红 | Additional fiber control collector for front roller |
CN201045153Y (en) * | 2007-03-14 | 2008-04-09 | 方志明 | Top pin with front pressure bar |
CN201228297Y (en) * | 2008-05-09 | 2009-04-29 | 程心一 | Holder |
KR100887553B1 (en) * | 2008-08-20 | 2009-03-09 | 김병수 | Cradle fleece gide of spinning machine |
CN201351199Y (en) * | 2008-09-17 | 2009-11-25 | 台州恒生纺机有限公司 | Fiber control rod holding frame of poly fiber spinning system |
DE102009018125A1 (en) | 2009-04-09 | 2010-10-14 | Wilhelm Stahlecker Gmbh | Cage unit for a drafting system of a textile machine |
CN201756611U (en) * | 2010-07-02 | 2011-03-09 | 江苏三房巷实业股份有限公司 | Carbon fiber top cradle of sirospun spinning frame |
CN201778159U (en) * | 2010-07-26 | 2011-03-30 | 洪建员 | Top cradle with pressure bars in front and back |
CN202786573U (en) * | 2012-04-01 | 2013-03-13 | 经纬纺织机械股份有限公司 | Split type pressure bar spacing block |
-
2014
- 2014-09-23 CH CH01434/14A patent/CH710141A1/en not_active Application Discontinuation
-
2015
- 2015-09-18 EP EP15771287.8A patent/EP3198066B1/en active Active
- 2015-09-18 WO PCT/IB2015/057193 patent/WO2016046712A1/en active Application Filing
- 2015-09-18 CN CN201580051149.5A patent/CN107109713B/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN107109713B (en) | 2020-02-21 |
CN107109713A (en) | 2017-08-29 |
CH710141A1 (en) | 2016-03-31 |
WO2016046712A1 (en) | 2016-03-31 |
EP3198066B1 (en) | 2018-01-31 |
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