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CN1646742B - Apparatus for condensing a drafted fibre sliver - Google Patents

Apparatus for condensing a drafted fibre sliver Download PDF

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Publication number
CN1646742B
CN1646742B CN03808821.5A CN03808821A CN1646742B CN 1646742 B CN1646742 B CN 1646742B CN 03808821 A CN03808821 A CN 03808821A CN 1646742 B CN1646742 B CN 1646742B
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CN
China
Prior art keywords
conveyer belt
suction element
roller
guide reel
slidingsurface
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 - Fee Related
Application number
CN03808821.5A
Other languages
Chinese (zh)
Other versions
CN1646742A (en
Inventor
巴尔特·约翰尼斯
海因里希·汉斯-尤尔根
施瓦贝·伯恩哈德
施普罗德·彼得
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.)
Lakshmi Machine Works Ltd
Original Assignee
Lakshmi Machine Works Ltd
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 Lakshmi Machine Works Ltd filed Critical Lakshmi Machine Works Ltd
Publication of CN1646742A publication Critical patent/CN1646742A/en
Application granted granted Critical
Publication of CN1646742B publication Critical patent/CN1646742B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01HSPINNING OR TWISTING
    • D01H1/00Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/14Details
    • D01H1/20Driving or stopping arrangements
    • D01H1/22Driving or stopping arrangements for rollers of drafting machines; Roller speed control
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01HSPINNING OR TWISTING
    • D01H1/00Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/02Spinning or twisting machines in which the product is wound-up continuously ring type
    • D01H1/025Spinning or twisting machines in which the product is wound-up continuously ring type with a condensing device between drafting system and spinning unit
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01HSPINNING OR TWISTING
    • D01H5/00Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/26Drafting machines or arrangements without fallers or like pinned bars in which fibres are controlled by one or more endless aprons
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01HSPINNING OR TWISTING
    • D01H5/00Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/70Constructional features of drafting elements
    • D01H5/72Fibre-condensing guides
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01HSPINNING OR TWISTING
    • D01H5/00Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/70Constructional features of drafting elements
    • D01H5/86Aprons; Apron supports; Apron tensioning arrangements

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)

Abstract

Apparatus for condensing a drafted fibre sliver in a condensation area after the front roller pair on a drafting unit, where the condensation zone contains a suction element with a sliding surface with at least one suction slit essentially running in the direction of movement of the fibre sliver and a transport belt, which transports the fibre sliver over the sliding surface and which is at leastair-permeable over parts of its surface, characterized by the following features: the transport belt (12), apart from the suction element (11), partially loops round a guide roller (13) placed at a distance from the suction element and flexibly arranged transversely on its axis of rotation, the guide roller (13) in the looping area and the transport belt (12) bear against a drive roller (14) and these are provided with the means to create a defined contact pressure between the guide roller (13) and the drive roller (14).

Description

The compacting device of drawn fiber sliver
Technical field
The present invention relates to a device, the fibre sliver that is used for a drawing-off of compacting, compacting is carried out in the compacted region of preliminary roller to the back of a drafting unit, wherein compacted region comprises a suction element, have a slidingsurface, have at least one suction slit on it, it is arranged on the direction that fibre sliver moves last, and a conveyer belt, its transmission fibre sliver is crossed slidingsurface and is that the each several part of crossing its surface is breathed freely at least.
The present invention can use on the ingot spinning machine, especially on the ring spinner.
Background technology
This device is that people know, for example file no.DE 19903531A1.Suction element has a slidingsurface in the same side that fibre sliver moves, and arches upward on the direction that fiber moves, and a suction slit is set.A ventilative conveyer belt moves crosses this slidingsurface, thereby transmits this fibre sliver.Below suction element, conveyor belt loop is crossed a pair of gear for its part by a driven roller driving around a transferring roller.A pinch roll withstands the conveyer belt that is placed on the slidingsurface by compressing on the top, to be limited in the compacted region on the slidingsurface.The shortcoming of this process is, the characteristic that this conveyer belt has to have complete contradiction could satisfy the function of device.On the one hand, it has to provide the not bonding quality of the highest possibility degree at the side of contact slidingsurface, i.e. a low coefficient of friction.And on the other hand, the same side of conveyer belt has to have the highest possible friction coefficient and a low adhesion tendency again, so that allow a suitable transfer by transferring roller power.If coefficient of friction is not regulated with other parameter ideally, these parameters may be difficult to reach, and the result will be or drive move insufficiently, and have the slippage of height between transferring roller and conveyer belt, perhaps conveyer belt moves on slidingsurface and jolts, and it is the too big result that rubs.In both cases, undesirable no regularity of yarn qualities is inevitable.Irrelevant therewith, the power transmit level of a satisfaction only can reach by transferring roller, and is at full stretch if conveyer belt keeps.Yet, cause the unnecessary wearing and tearing of conveyer belt and slidingsurface like this, and be unfavorable for conveyer belt level and smooth moving on slidingsurface.
The file that replacement know is no.DE 19924527 A1.In such cases, the mobile of conveyer belt produces by friction-driven, and friction-driven to be hold-down roller by the restriction compacted region produce.Driving for hold-down roller is that its part is transmitted by the right top roll of preliminary roller.Conveyer belt stands the wearing and tearing of a height in the present embodiment.Except other reason, this be since in fact conveyor belt loop be under the tension state around suction element, by hold-down roller it is slided on fixing suction element, its have relatively high expectations contact pressure of degree.Moreover conveyer belt was forced through a sharp-pointed corner before reaching the compacted region that is equipped with suction slit.Therefore conveyer belt is in compacted region under the tensile stress of a height, and it will cause extending for a long time.On the other hand, after advancing by hold-down roller, conveyer belt is under " thrust " state, therefore there is a danger that surpasses length here, it was regulated according to the time, may extend to compacted region, and cause here on slidingsurface the defective supporting of conveyer belt.Yet, produce a state like this, wherein air can laterally permeate between conveyer belt and slidingsurface, and can damage compaction.
Summary of the invention
Therefore the basic task of the present invention provides the device that the fibre sliver compacting of a drawing-off is used, and wherein the drive system used of conveyer belt guarantees it is safe, stands little wearing and tearing and irrelevant with the tension force of conveyer belt.
According to the present invention, the device that provides a kind of fibre sliver compacting of drawing-off to use, compacting is carried out in to the compacted region of back at the preliminary roller of drafting unit, wherein compacted region comprises suction element and conveyer belt, suction element has slidingsurface, has at least one on the slidingsurface in the upwardly extending suction slit in the side that fibre sliver moves, conveyer belt transmission fibre sliver is crossed the part surface at least of slidingsurface and conveyer belt and is breathed freely, it is characterized in that having following feature: conveyer belt, leave after the suction element, partly around guide reel, guide reel is placed on and leaves suction element a distance, guide reel flexibly lateral arrangement on the turning cylinder of roller; Guide reel is pressing driven roller around the district with conveyer belt; And device is set, between guide reel and driven roller, produce the contact pressure of regulation.
Preferably, guide reel laterally is oriented on the holding element and by spring element and presses driven roller, and spring element is fixed in the holding element.
Preferably, spring element limits the activity of guide reel in the axial direction.
Preferably, conveyer belt has the coating of low-friction coefficient on the side of contact suction element slidingsurface, and the coating that has great friction coefficient on the side that does not contact described slidingsurface.
Preferably, suction element comprises drawn steel section.
Preferably, the surface of suction element is treated in the zone of slidingsurface at least, thereby reaches low coefficient of friction.
Preferably, suction element comprises the aluminium extrusion section.
Preferably, the surface of suction element is treated in the slidingsurface zone at least, thereby reaches low coefficient of friction, high hardness and high mar proof.
Preferably, suction element is configured as parts, the both sides of these parts be open wide and use the sealing cap lateral seal of making by plastics.
Preferably, the hold-down roller of restriction compacted region, the low effective pressure with 1 to 2daN leans against and is directed crossing on the conveyer belt of slidingsurface.
Preferably, hold-down roller applies a soft coating, and the Durometer A hardness of soft coating is in 53 ° to 63 ° scopes.
Preferably, the whole parts relevant with the compacting fiber sliver are arranged on drafting unit in such a way, and they can be dismantled, thereby drafting unit can use with a kind of traditional approach.
The advantage that device of the present invention has surpasses the existing processes level, is that driving and its tension force that conveyer belt is used are irrelevant.Therefore conveyer belt remains on a tension level, and it is desirable for the residue function, to the transmission of driving moment without any deleterious effects.Especially, the pairing of the slip between the slidingsurface on conveyer belt and the suction element does not have deleterious effects.
The skirt cover often accurately is positioned on the slidingsurface, as a tension force of stipulating for the skirt cover and a result of slidingsurface convex shape.Meaning reaches laterally osmosis system of a constant parital vacuum and air like this.
It is not need the pressure arm or the suspension carrier that use on the ring spinner of being everlasting are changed to carry out solution provided by the invention that the present invention also has other a advantage.Requirement is positioned at the hold-down roller that replenishes above the slidingsurface and is included in a special top roll retainer, and it is bearing on the axle of pressure arm front upper roller.The top roll retainer can connect or dismantles with a very simple mode, without any need for auxiliary assembly equipment, this just means that ring spinner can use as standard machine simultaneously, also can be used as the compacting machine, only needs minimum effort to recombinate them.
Description of drawings
Following the present invention will use an embodiment accompanying drawings, wherein:
Fig. 1 is a side view of apparatus of the present invention, and
Fig. 2 is the side view of a suction element of apparatus of the present invention.
The specific embodiment
Fig. 1 illustrates the exit region of a drafting unit 1, and it uses on ring spinner.Three driven lower rolls 2,3 and 4 are arranged in a last (not shown), and its three rollers 6,7 in next door and 8 are included in the pressure arm 5 and are driven.Lower roll 4 and top roll 8 are united the preliminary roller that forms on the drafting unit 1 to 9.The drawing-off of the fibre sliver 10 that is fed into is carried out in drafting unit 1 until preliminary roller 9, and this is a process that people know.
The compacted region that has suction element 11 will be explained below, and it is connected to preliminary roller to 9.Suction element 11 and guide reel 13 both by a ventilative conveyer belt 12 partly around.Be transmitted the part that covers with 12, a guide reel 13 compresses and withstands driven roller 14, and it is connected to an electric-motor drive unit (not shown).Driven roller 14 and lower roll 2,3 and 4 be the part of a driving shaft preferably, extends across several yarning positions or whole machine length.The pressure of 13 pairs of driven rollers 14 of guide reel is to use spring 15 to produce, and it is connected to a holding element 16, and it is connected on the framework of ring spinner.Spring 15 compresses and withstands axle 19, and it on spinning machine, carries guide reel 13 and be used for two adjacent spinning points usually, and uses a clamp 20 with edge 17 overlap joints of holding element 16 to be locked on the position provisionally.Axle 19 is not fixed on the bearing, but rests in simply on the clamp 18 on the holding element 16.13 pairs of axles 19 of meaning guide reel are to float with a right angle like this.Spring 15 is bonded between per two guide reels 13, and they are positioned on the axle 19, with the axial activity of restriction guide reel 13.
Other spring 21 is connected to holding element 16, compresses to withstand conveyer belt 12, so that the tension force of requirement to be provided.
A hold-down roller 22, it is included in the top roll installing rack 23, compresses to withstand conveyer belt 12, and it moves and crosses suction element 11.Top roll installing rack 23 is fixed on the axle 24 of preliminary roller to 9 top roll 4 once more, remains in the pressure arm 5, and can dismantle.A spring 25 is bearing on the pressure arm 5, to be provided at the contact pressure of hold-down roller 22 requirements on the suction element 11.
The present invention is suitable for a kind of situation, and wherein hold-down roller 22 is with a low effective pressure, and sum is roughly 1 to 2daN and rests on the conveyer belt 12.So just mean and to limit compacted region; And conveyer belt 12 moving on air suction element can be not interrupted.Hold-down roller also applies a soft coating, has Durometer A hardness (Shore A) in 53 ° to 63 ° scopes.
Suction element 11 comprises a hollow section, and the steel section of La Zhiing preferably extends across several or two spinning points preferably, and use sealing cap 27 that two plastics make in a kind of favourable mode in the front side to sealing.A common partial vacuum source (though not shown) is dispensed to whole spinning points by an extraction opening 26 on suction element 11.Realize that with being connected of partial vacuum source it is connected to suction element 11 by a demountable rubber pad by a bleed-off passage.A suction slit 28 is provided for being transmitted with each fibre sliver (slidingsurface) in 12 zones that coat.The processing of the surface of suction element 11 through replenishing is at least in the zone around slidingsurface, so that reach a low coefficient of friction.In an embodiment who is made by drawn steel section, this point can for example use bead to carry out, or by surface modification.If instead use an aluminium extrusion section, the surface can be coated with guaranteeing to have simultaneously required sliding capability and necessary case hardness.
As a part of the present invention, conveyer belt 12 has the coating of a low-friction coefficient on the side of contact slidingsurface, and the coating of a great friction coefficient is on the side that does not contact slidingsurface.When combining with these neoteric other characteristics, moving of conveyer belt 12 can improve significantly.Similarly installing the various shortcomings of finding at this kind can avoid.Therefore the medial surface of conveyer belt 12 is not used in transmission power, and can cooperate and have good sliding capability.Driving is moved and is supplied to conveyer belt 12, and it is to compress guide reel 13 by the vertical force that spring 15 applies to withstand driven roller 14.
By the spring 15 that is provided with just size, the vertical force that delivering power is used is fully big, but not too big.These characteristics prevent permanent wearing and tearing on the conveyer belt 12.
Device of the present invention designs in such a way, and whole elements that compacting fiber sliver 10 is used can or be dismantled in the spinning point assembling, and without any need for big effort.Like this meaning it might use spinning point aspect common simultaneously, and also can be used for compacting ingot yarn.In order to realize a common drafting unit 1, the top roll installing rack 23 that will have hold-down roller 22 is removed from pressure arm 5, and trip spring 15 and discharge guide reel 13, thereby suction element 11, conveyer belt 12 and guide reel 13 can be removed simply by spinning point.
The relational language table
The 1-drafting unit
The 2-lower roll
The 3-lower roll
The 4-lower roll
The 5-pressure arm
The 6-top roll
The 7-top roll
The 8-top roll
The 9-preliminary roller is right
The 10-fibre sliver
The 11-suction element
The 12-conveyer belt
The 13-guide reel
The 14-driven roller
The 15-spring
The 16-holding element
The 17-edge
The 18-clamp
The 19-axle
The 20-clamp
The 21-spring
The 22-hold-down roller
23-top roll installing rack
The 24-axle
The 25-spring
26-extracts opening
The 27-sealing cap
The 28-suction slit

Claims (9)

1. the device used of the fibre sliver compacting of a drawing-off, compacting is carried out in to the compacted region of back at the preliminary roller of drafting unit, wherein compacted region comprises suction element and conveyer belt, suction element has slidingsurface, has at least one on the slidingsurface in the upwardly extending suction slit in the side that fibre sliver moves, conveyer belt transmission fibre sliver is crossed the part surface at least of slidingsurface and conveyer belt and is breathed freely, and it is characterized in that having following feature:
-conveyer belt (12) leaves suction element (11) afterwards, and partly around guide reel (13), guide reel (13) is placed on and leaves suction element a distance, guide reel (13) flexibly lateral arrangement on the turning cylinder of roller (13);
-guide reel (13) is pressing driven roller (14) around the district with conveyer belt (12); And
-device is set, between guide reel (13) and driven roller (14), produce the contact pressure of regulation.
2. according to the device of claim 1, it is characterized in that guide reel (13) laterally is oriented in holding element (16) and upward and by spring element (15) presses driven roller (14), spring element (15) is fixed in the holding element (16).
3. according to the device of claim 2, it is characterized in that spring element (15) limits the activity of guide reel (13) in the axial direction.
4. according to the device of claim 1, it is characterized in that suction element (11) comprises drawn steel section.
5. according to the device of claim 1, it is characterized in that suction element (11) comprises the aluminium extrusion section.
6. according to each device in the claim 1 to 5, it is characterized in that suction element (11) is configured as parts, the both sides of these parts be open wide and use sealing cap (27) lateral seal of making by plastics.
7. according to each device in the claim 1 to 5, it is characterized in that, the hold-down roller (22) of restriction compacted region, the low effective pressure with 1 to 2daN leans against on the conveyer belt (12) that is directed crossing slidingsurface.
8. according to the device of claim 7, it is characterized in that hold-down roller (22) applies a soft coating, the Durometer A hardness of soft coating is in 53 ° to 63 ° scopes.
9. according to each device in the claim 1 to 5, it is characterized in that, the whole parts relevant with compacting fiber sliver (10) are arranged on drafting unit in such a way, and they can be dismantled, thereby drafting unit (1) can use with a kind of traditional approach.
CN03808821.5A 2002-04-19 2003-04-11 Apparatus for condensing a drafted fibre sliver Expired - Fee Related CN1646742B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10217669.8 2002-04-19
DE10217669A DE10217669A1 (en) 2002-04-19 2002-04-19 Device for compacting a stretched fiber structure
PCT/IN2003/000155 WO2003089701A2 (en) 2002-04-19 2003-04-11 Apparatus for condensing a drafted fibre sliver

Publications (2)

Publication Number Publication Date
CN1646742A CN1646742A (en) 2005-07-27
CN1646742B true CN1646742B (en) 2010-10-06

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN03808821.5A Expired - Fee Related CN1646742B (en) 2002-04-19 2003-04-11 Apparatus for condensing a drafted fibre sliver

Country Status (6)

Country Link
EP (1) EP1497486B1 (en)
CN (1) CN1646742B (en)
AT (1) ATE455194T1 (en)
AU (1) AU2003238672A1 (en)
DE (2) DE10217669A1 (en)
WO (1) WO2003089701A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004059321A1 (en) * 2004-12-02 2006-06-08 Wilhelm Stahlecker Gmbh Drafting system for spinning machines
DE102012003179A1 (en) * 2012-02-17 2013-08-22 Oerlikon Textile Components Gmbh Drafting system for warping a roving
DE102019110881A1 (en) * 2019-04-26 2020-10-29 Saurer Intelligent Technology AG Apron stretching system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29600417U1 (en) * 1996-01-11 1996-03-07 Zinser Textilmaschinen Gmbh, 73061 Ebersbach Drafting system for a spinning machine
DE19903531A1 (en) * 1999-01-29 2000-08-03 Stahlecker Fritz Apparatus to condense drawn sliver has a perforated carrier belt to move the drawn sliver over a suction slit which extends as far as the clamping roller to maintain the fiber orientation and sliver compression
US6108873A (en) * 1998-03-31 2000-08-29 Spindelfabrik Suessen, Schurr, Stahlecker & Grill Gmbh Arrangement for condensing a drafted fiber strand and method for making yarn therefrom
US6336259B1 (en) * 1999-05-28 2002-01-08 Fritz Stahlecker Apparatus and method for condensing a drafted fiber strand

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29600417U1 (en) * 1996-01-11 1996-03-07 Zinser Textilmaschinen Gmbh, 73061 Ebersbach Drafting system for a spinning machine
US6108873A (en) * 1998-03-31 2000-08-29 Spindelfabrik Suessen, Schurr, Stahlecker & Grill Gmbh Arrangement for condensing a drafted fiber strand and method for making yarn therefrom
DE19903531A1 (en) * 1999-01-29 2000-08-03 Stahlecker Fritz Apparatus to condense drawn sliver has a perforated carrier belt to move the drawn sliver over a suction slit which extends as far as the clamping roller to maintain the fiber orientation and sliver compression
US6336259B1 (en) * 1999-05-28 2002-01-08 Fritz Stahlecker Apparatus and method for condensing a drafted fiber strand

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
US 6336259 B1,全文.

Also Published As

Publication number Publication date
ATE455194T1 (en) 2010-01-15
EP1497486B1 (en) 2010-01-13
DE10217669A1 (en) 2003-10-30
EP1497486A2 (en) 2005-01-19
WO2003089701A2 (en) 2003-10-30
WO2003089701A3 (en) 2003-12-04
DE60330956D1 (en) 2010-03-04
AU2003238672A1 (en) 2003-11-03
CN1646742A (en) 2005-07-27

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