CN1038264C - Upper roller frame of fine yarn stretching apparatus - Google Patents
Upper roller frame of fine yarn stretching apparatus Download PDFInfo
- Publication number
- CN1038264C CN1038264C CN94117597A CN94117597A CN1038264C CN 1038264 C CN1038264 C CN 1038264C CN 94117597 A CN94117597 A CN 94117597A CN 94117597 A CN94117597 A CN 94117597A CN 1038264 C CN1038264 C CN 1038264C
- Authority
- CN
- China
- Prior art keywords
- hollow body
- roller frame
- roller
- slide
- elastic hollow
- 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.)
- Expired - Lifetime
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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
- D01H5/56—Supports for drafting elements
- D01H5/565—Top roller arms
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
In the top-roller carrier for drawframes of spinning machines, in which the top rollers are loaded via thrust plates by means of elastic hollow bodies (14) which can be filled with a pneumatic or hydraulic pressure medium, the hollow body or hollow bodies (14) acts or act on the thrust plates (30) by means of a reinforced baseplate (15). The adjacent side walls (16) of the elastic hollow body (14) are designed as roll-diaphragm walls which, in the event of an adjusting movement of the thrust plates, can roll on housing walls of the top-roller carrier (12). This guarantees that a set loading pressure is maintained in any position of the thrust plates and also during a change in their position.
Description
The present invention relates to a kind of upper roller frame of drafting assembly of spinning frame, wherein, upper roller supporting is on the carriage of slide, slide is contained in the hollow rack shell, and can vertically move along it, at least being provided with one in the shell can fill with pneumatic or hydraulic medium and the elastic hollow body that matches with the cavity cross section of rack shell, this hollow body is by a pressing plate that links to each other with carriage, on at least one top roller, apply a pressure load, between two sides of base plate and the sidewall of rack shell a distance is arranged, this is apart from the twice of the elastic hollow body sidewall thickness that equals at least to adjoin with base plate, and sidewall design is the membrane wall on roll coil of strip limit.
By for example applicant's German patent document 974421 and 1279515, known this type of drafting system.
By using the elastic hollow body of pneumatic or hydraulic pressure, attempt makes the top roller of drafting system that the constant load of pressure be arranged, adopting under the situation that has this known class device now and can not accomplish fully, because when one or more elastic hollow bodies are out of shape by pressing plate, be accompanied by and the wall of rack shell between produce huge frictional force.
A kind of used in spinning machine gas spring formula pressue device is disclosed among the CN89208092.2, cylinder unit of this device pressurization, this cylinder unit has an air chamber between upper and lower film.Following film moves up and down under the effect of pressurization tubing string.Gassy always in the chamber.Change air pressure by moving of tubing string of pressurization.But, wherein do not show the roller how working pressure influences fine spining machine.
The objective of the invention is to design a kind of upper roller frame of the above-mentioned type, it can guarantee the constant load of pressure seeking to obtain, even also be like this when roller stand influences lower platen and moves.
To roller frame on described, be achieved by means of following technical solution by the present invention, promptly the invention provides a kind of upper roller frame of drafting assembly of spinning frame, wherein, upper roller supporting is on the carriage of slide, slide is contained in the hollow rack shell, and can vertically move along it, at least being provided with one in the shell can fill with pneumatic or hydraulic medium and the elastic hollow body that matches with the cavity cross section of rack shell, this hollow body is by a pressing plate that links to each other with carriage, on at least one top roller, apply a pressure load, this at least one elastic hollow body has the base plate of an enhancing, between two sides of base plate and the sidewall of rack shell a distance is arranged, this distance equals the twice of the elastic hollow body sidewall thickness that adjoins with base plate at least, and sidewall design is the membrane wall on roll coil of strip limit; And, the Breadth Maximum of the pressing plate that at least one is loaded by the elastic hollow body, the width of the base plate that strengthens with hollow body exceeds, and is shaped on the vertical vertically extending crooked ripple with support on the enhancing base plate of elastic hollow body.
Pressing plate links to each other with affiliated roller stand by tappet.
In at least one slide, be provided with an additional tappet that terminates on the pressing plate, tappet acts on the top cradle, and this slide has the support of upper leather ring.
At least fixing that slide of outlet top roller, additionally has a compression spring that acts on its carriage, and at pressing plate not during application of load, this compression spring is designed so that carriage is local and lacks lotus.
On the wall of upper roller frame, be provided with a hole that is used to check pin, this checks that pin links to each other with a wall at the elastic hollow body of back, hole directly or indirectly in rack shell.
Check that pin is on the wall of hollow body.
Check that pin is fixed on the leaf spring that is supported on the rack shell inboard, this leaf spring is subjected to the wall of elastic hollow body to overcome the load of its elastic force.
Roller stand is designed to the jib of two top rollers.
Roller stand is designed to the supporting bow of single top roller.
By the base that acts at least one the elastic hollow body on the pressing plate being designed and determined its size, and the side that is attached thereto is designed to the crimping membrane wall, can avoids hollow body and rack shell to produce friction.Produce friction at base plate that strengthens and rack shell.Between the sidewall of base plate that strengthens and rack shell, leave distance, can make between base plate and the rack shell sidewall, two sidewalls that are designed to the crimping film adjacent and that link to each other with base plate respectively constitute a crotch, therefore, when the pressing plate that is subjected to elastic hollow body load moves up or down, sidewall can with the sidewall friction free situation of rack shell under reel.So just guaranteed in the whole impulse stroke of the roller stand that links to each other with pressing plate, kept the constant pressure load that produces by one or more elastic hollow bodies.When the pressing plate height and position that links to each other with relevant roller stand or upper roller supporting bow by tappet with plain mode changes, for example since top roller clad wearing and tearing cause, then can under the situation that does not change the pressure load of adjusting, compensate by flexible hollow body.
Upper roller frame another outstanding advantage designed by the present invention is, basically compensated the mismachining tolerance of those drafting system parts relevant with hollow body by one or more elastic hollow bodies, and compare with mechanical spring, what provide is more favourable part throttle characteristics line.
Therefore, also significantly simplified the structure of the whole upper roller frame that comprises slide and roller stand (the supporting bow of single top roller or the carriage of two top rollers).
Can fully phase out and use additional mechanical elastic element, or be restricted to minimum degree.Therefore, when the slide of upper roller frame is to be provided with to be used as under the situation of cradle, usually the elastic shelf that uses at this place now an available additional tappet that terminates on the pressing plate replace, tappet is by the loading of elastic hollow body, and acts on the top cradle.For slide simple in structure, gliding mass only has the effect of reliable guiding tappet, pressing plate is acted directly on the roller stand of being guided by slide, or act on the top cradle.Have only the slide of fixing along last top roller of yarn pull-out direction, for reliable and be additionally provided with a compression spring that acts on its carriage, even this spring be designed to pressing plate fully not during application of load it still on carriage effect sub-load is arranged.Thereby guarantee all under any circumstance to prevent that the yarn of twisting from rebounding in the draw zone.All local off-loads of drafting system central authorities of fine spining machine also can convert low pressure to by closed upper roller frame and reach.
Can easily check by one whether pin disappears in a hole of hollow sting shell, judge situation about sewing by the rare elastic hollow body of the quality of current elastoplast, by the present invention, check that pin links to each other with the wall of elastic hollow body directly or indirectly in rack shell, especially can be fixed on the leaf spring that is supported on the rack shell inboard, this leaf spring is subjected to the load that the effect of elastic hollow body wall face overcomes its elastic force thereon.
Further specify a kind of embodiment of the upper roller frame that designs by the present invention below by means of schematic diagram.
Wherein:
Fig. 1 is hinged on the signal vertical section of the upper roller frame on the bearing;
Fig. 2 is along the signal horizontal stroke of II-II line among Fig. 1 by a upper roller frame and an one slide
Section, compared to Figure 1 its ratio has been amplified;
Fig. 3 and Fig. 2 pass through the slide cross section of a rest list top roller accordingly.
Fig. 1 represents to be fixed on the fixedly drafting system bearing 11 on the pole 10 of machine, and is bearing in upper roller frame 12 and the pressurization on the bearing 11 in known manner swingably or unclamps the handle 13 of upper roller frame 12.The shell of upper roller frame 12 also has " U " shape cross section shown in Figure 2 as known.In the shell of upper roller frame 12, the hose-like elastic hollow body 14 that matches with its cross section of packing into, this hollow body extends along the whole effective length of upper roller frame 12.
By the drawing in side sectional elevation of Fig. 2 as seen, hollow body 14 has a thick better rigidity base plate 15, between base plate side and upper roller frame 12 side wall of outer shell distance is arranged, this distance equals to adjoin with base plate 15 and the twice of thin sidewalls 16 thickness of the elastic hollow body 14 of the upper roller frame 12 shell inboards that recline at least.When the base plate 15 of hollow body 14 moves in upper roller frame 12, the sidewall 16 of elastic hollow body 14 respectively forms a crimping film, therefore, sidewall 16 connects into base plate 15, makes the crotch 17 of sidewall 16 formation between " U " shape side wall of outer shell of the side of sole 15 and upper roller frame 12.
As shown in Figure 1, vertically be provided with three movably slides 18,19 and 20 along upper roller frame in the upper roller frame 12.Press Fig. 2, slide is inserted in the cannelure that upper roller frame 12 matches with it by side sliver 21.Slide 18-20 respectively has the center through hole of a guiding tappet 23,24 or 25, and in the embodiment shown in Fig. 1 and 2, each links to each other tappet with the carriage 26 of the axle 27 of two top rollers 28.That end that stretches in the upper roller frame shell at tappet 23 links to each other with pressing plate 30, and the two therewith top roller 28 needed pressure loads of the size of pressing plate adapt.The width of pressing plate 30 exceeds with the width of base plate 15.All pressing plates 30 load by the base plate 15 of elastic hollow body 14, are shaped on transverse wave 31 by Fig. 1 base plate 15, and therefore very narrow even the drawing-off width adjustment gets, they also are easy to the bearing-surface that it is flat and are pressed against on each pressing plate.
The slide 19 that is provided with 33 32 of upper leather rings has an additional tappet 34 that acts on the top cradle 32, and it is subjected to elastic hollow body 14 base plates 15 added loads by a block pressur plate 35 equally.
Outlet slide 20 adds a spiral compression spring 36, one end bearing of spring is in slide, the other end acts on the carriage 26 of the two top rollers 28 in drafting system exit on tappet 25 sides, be at hollow body 14 under the situation of fully pressure-free power, this spring still guarantees to export the sub-load of two top rollers 28.
By banked direction control valves represented among Fig. 1 37, realize supply to the compressed air or the pressure fluid of elastic hollow body 14.Handle 13 acts on this valve by switch pin 38, and when handle 13 was in pressing position, hollow body was under the total pressure load.In the released position of handle 13, hollow body 14 exhausts.
The installing hole 39 of checking pin 40 is established at the visible position of operating personnel of monitoring fine spining machine in a wall of upper roller frame 12.Check that pin 40 is contained on the leaf spring 41, an end of leaf spring is fixed on upper roller frame 12 inboards, and is subjected to the service load of elastic hollow body 14.When elastic hollow body 14 is in pressurized state, checks that pin 40 is protruding and can see.On the contrary, if elastic hollow body 14 do not have pressure, check that then pin 40 is under leaf spring 41 effects in the retraction shell.Check that pin also can be on hollow body 14.
Also can establish some single elastic hollow bodies 14 in upper roller frame 12, they respectively are that a slide group institute is if attach troops to a unit in single slide.These single hollow bodies are all established a base plate 15 that strengthens in the same way and are adjoined and be designed to the sidewall 16 of crimping film with it.The end wall of each elastic hollow body utilizes concave arc can be designed to can not hinder the coiling motion of sidewall 16.
Fig. 3 represents by being set slide 18 ＇ of single top roller in the upper roller frame 12 ＇ cross section corresponding with Fig. 2.In this figure, corresponding part all adds left-falling stroke " ＇ " at subscript again with identical numeral and represents in the cut-away view of all and Fig. 2.Among Fig. 3, pressing plate 30 ＇ act on the tappet 43, tappet with link to each other as the supporting of 48 47 carriages of single top roller bow 46.
Claims (9)
1. the upper roller frame of drafting assembly of spinning frame, wherein, top roller (28,48) be bearing in the carriage (26 of slide (18-20), 46) on, slide is contained in the hollow rack shell, and can vertically move along it, be provided with one in the shell at least and can fill with pneumatic or hydraulic medium and the elastic hollow body (14,14 ＇) that matches with the cavity cross section of rack shell, this hollow body is by one and carriage (26,46) pressing plate of Xiang Lianing (30,30 ＇) is at least one top roller (28,48) apply a pressure load on, between two sides of base plate and the sidewall of rack shell a distance is arranged, this distance equals elastic hollow body (14, the 14 ＇) sidewall (16 that adjoins with base plate at least, 6 ＇) twice of thickness, sidewall design are the membrane wall on roll coil of strip limit; It is characterized by: this at least one elastic hollow body (14,14 ＇) base plate (15 of an enhancing is arranged, 15 ＇), and at least one is by the Breadth Maximum of the pressing plate (30,30 ＇) of elastic hollow body loading, with hollow body (14,14 ＇) width of the base plate of Zeng Qianging (15,15 ＇) exceeds, and is shaped on the vertical vertically extending crooked ripple (31) with support on the enhancing base plate (15) of elastic hollow body (14).
According to claim 1 described on roller frame, it is characterized by: pressing plate (30,30 ＇) links to each other with affiliated roller stand (26,32,46) by tappet (23-25,34,43).
According to claim 1 described on roller frame, it is characterized by: at least one slide (19), be provided with an additional tappet (34) that terminates on the pressing plate (35), tappet acts on the top cradle (32), and this slide (19) has the support (32) of upper leather ring.
According to one of claim 1 to 3 described on roller frame, it is characterized by: fixing that slide (20) of outlet top roller (28) at least, additionally has a compression spring (36) that acts on its carriage (26), at pressing plate (30) not during application of load, this compression spring is designed so that carriage (26) is local and lacks lotus.
According to claim 4 described on roller frame, it is characterized by: on the wall of upper roller frame (12), be provided with a hole (39) that is used for checking pin (40), this checks pin, and the wall of the elastic hollow body (14) of (39) back links to each other in the hole with one directly or indirectly in rack shell.
According to claim 5 described on roller frame, it is characterized by: check that pin is on the wall of hollow body (14).
7. according to the described roller frame of claim 5, it is characterized by: check that pin (40) is fixed on the leaf spring (41) that is supported on the rack shell inboard, this leaf spring is subjected to the wall of elastic hollow body (14) to overcome the load of its elastic force.
According to claim 1 or 2 described on roller frame, it is characterized by: roller stand (26) is designed to the jib of two top rollers (28).
According to claim 1 or 2 described on roller frame, it is characterized by: roller stand is designed to the supporting bow (46) of single top roller (48).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4335889A DE4335889C2 (en) | 1993-10-21 | 1993-10-21 | Top roller carrier for drafting systems of spinning machines |
| DEP4335889.6 | 1993-10-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1113525A CN1113525A (en) | 1995-12-20 |
| CN1038264C true CN1038264C (en) | 1998-05-06 |
Family
ID=6500653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94117597A Expired - Lifetime CN1038264C (en) | 1993-10-21 | 1994-10-20 | Upper roller frame of fine yarn stretching apparatus |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP2826801B2 (en) |
| CN (1) | CN1038264C (en) |
| CH (1) | CH691266A5 (en) |
| DE (1) | DE4335889C2 (en) |
| IT (1) | IT1268128B1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19829403A1 (en) * | 1998-07-01 | 2000-01-05 | Texparts Gmbh | Drawing system for spinning machines |
| DE102005005382A1 (en) | 2005-02-05 | 2006-08-10 | Texparts Gmbh | Top roller carrier for drafting systems on spinning machines |
| DE102007037171A1 (en) * | 2007-08-07 | 2009-02-12 | Oerlikon Textile Gmbh & Co. Kg | Dual closer drawing frame for textile fiber, has set of closers, where bar of one of closers stays under load in direction on bar of counter closer and load applied by fluid printing devices subjectable with adjustable pressure |
| DE102007053712A1 (en) * | 2007-11-10 | 2009-05-14 | Oerlikon Accotex Texparts Gmbh | Top roller carrying and loading arm |
| DE102007055052A1 (en) * | 2007-11-16 | 2009-05-20 | Oerlikon Accotex Texparts Gmbh | drafting system |
| CN101353831B (en) * | 2007-11-20 | 2010-05-19 | 常德纺织机械有限公司 | Airload cradle for ring spinning |
| DE102019131861A1 (en) * | 2019-11-25 | 2021-05-27 | Maschinenfabrik Rieter Ag | Drafting system and textile machine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2054793U (en) * | 1989-06-08 | 1990-03-21 | 蔡克非 | Air spring type compression mechanism for mule |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE974221C (en) * | 1952-07-16 | 1960-10-20 | Skf Kugellagerfabriken Gmbh | Upper roller support and load arm for spinning machine drafting systems |
| JPS5040831A (en) * | 1973-08-15 | 1975-04-14 | ||
| JPS59216926A (en) * | 1983-05-20 | 1984-12-07 | Toyoda Autom Loom Works Ltd | Top roller supporter in spinning frame |
| JPS6099022A (en) * | 1983-10-28 | 1985-06-01 | マシ−ネンフアブリ−ク・リ−テル・アクチエンゲゼルシヤフト | Draft apparatus for spinning machine |
| JPH0421575U (en) * | 1990-06-15 | 1992-02-24 | ||
| JPH0519367U (en) * | 1991-08-15 | 1993-03-09 | 村田機械株式会社 | Draft roller pressurizing device |
-
1993
- 1993-10-21 DE DE4335889A patent/DE4335889C2/en not_active Expired - Lifetime
-
1994
- 1994-09-06 CH CH02722/94A patent/CH691266A5/en not_active IP Right Cessation
- 1994-10-18 IT IT94TO000824A patent/IT1268128B1/en active IP Right Grant
- 1994-10-18 JP JP6288536A patent/JP2826801B2/en not_active Expired - Fee Related
- 1994-10-20 CN CN94117597A patent/CN1038264C/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2054793U (en) * | 1989-06-08 | 1990-03-21 | 蔡克非 | Air spring type compression mechanism for mule |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1268128B1 (en) | 1997-02-20 |
| DE4335889A1 (en) | 1995-04-27 |
| JP2826801B2 (en) | 1998-11-18 |
| DE4335889C2 (en) | 1996-07-11 |
| CN1113525A (en) | 1995-12-20 |
| ITTO940824A0 (en) | 1994-10-18 |
| CH691266A5 (en) | 2001-06-15 |
| JPH07173730A (en) | 1995-07-11 |
| ITTO940824A1 (en) | 1996-04-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: German Feuerbach Patentee after: Oerlikon Textile Components GmbH Address before: German Feuerbach Patentee before: Oerlikon Accotex Texparts GmbH Address after: German Feuerbach Patentee after: Oerlikon Accotex Texparts GmbH Address before: German Feuerbach Patentee before: Akutestesbos germany |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20090123 Address after: German Feuerbach Patentee after: Akutestesbos germany Address before: Stuttgart, Germany Patentee before: Scherf NO.1 Effective date of registration: 20090123 Address after: Stuttgart, Germany Patentee after: Scherf NO.1 Address before: Stuttgart, Germany Patentee before: Texparts Co.,Ltd. Effective date of registration: 20090123 Address after: Stuttgart, Germany Patentee after: Texparts Co.,Ltd. Address before: Stuttgart, Federal Republic of Germany Patentee before: SKF TEXTILMASCH KOMPONENTEN |
|
| ASS | Succession or assignment of patent right |
Owner name: ACUTES TESBOS GERMANY CO.,LTD. Free format text: FORMER OWNER: SHEERFUNO.1 CO.,LTD. Effective date: 20090123 Owner name: SHEERFUNO.1 CO.,LTD. Free format text: FORMER OWNER: TEKESI PARTS CO., LTD. Effective date: 20090123 Owner name: TEKESI PARTS CO., LTD. Free format text: FORMER OWNER: SKF SPINNING MACHINE SPARE PARTS CO., LTD. Effective date: 20090123 |
|
| C56 | Change in the name or address of the patentee |
Owner name: OERLIKON ALCURTES THEISBOIS GERMANY CO.,LTD. Free format text: FORMER NAME: ACUTES TESBOS GERMANY CO.,LTD. Owner name: OERLIKON SPINNINGS PARTS CO.,LTD. Free format text: FORMER NAME: OERLIKON ALCURTES THEISBOIS GERMANY CO.,LTD. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20141020 Granted publication date: 19980506 |