CN101294320B - Air flow spinning appartus with cotton opening roller brake apparatus - Google Patents

Air flow spinning appartus with cotton opening roller brake apparatus Download PDF

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Publication number
CN101294320B
CN101294320B CN2008100906792A CN200810090679A CN101294320B CN 101294320 B CN101294320 B CN 101294320B CN 2008100906792 A CN2008100906792 A CN 2008100906792A CN 200810090679 A CN200810090679 A CN 200810090679A CN 101294320 B CN101294320 B CN 101294320B
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CN
China
Prior art keywords
shell
roller
open end
end spinning
lever
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
CN2008100906792A
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Chinese (zh)
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CN101294320A (en
Inventor
M·布尔歇特
M·库布勒
马雷克·斯蒂科尔
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Rieter Ingolstadt GmbH
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Rieter Ingolstadt GmbH
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Publication date
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Publication of CN101294320A publication Critical patent/CN101294320A/en
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Expired - Fee Related legal-status Critical Current
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    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D51/00—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/04—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques imparting twist by contact of fibres with a running surface
    • D01H4/08—Rotor spinning, i.e. the running surface being provided by a rotor
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/42—Control of driving or stopping
    • D01H4/44—Control of driving or stopping in rotor spinning

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Braking Arrangements (AREA)

Abstract

The invention relates to an air spinning device having an opener roller mounted in a pivoted shell. The open roller is provided with a brake device comprising a block brake for exerting the elasticity. When the shell rotates, the block brake automatically breadthwise feeds to the transmission roller of the opener roller by the elasticity and generates contact therein. The brake device is configured to form the holder of the pivoted shell at the same time. The brake device and the holder may comprise a common lever mounted with the block brake and the holder acted on part of the fixed frame.

Description

Open end spinning apparatus with cotton opening roller brake
Technical field
The present invention relates to a kind of open end spinning apparatus, have one and be installed in the opener roller and a brake apparatus that sets to the opener roller that can turn round in the shell, it comprises a Block brake piece that applies elastic force, wherein, when shell turned round, the Block brake piece also produced contact by elastic force there from the traverse feed of trend opener roller.
In addition, the invention still further relates to a kind of lever and a kind of Block brake piece that is used for this brake apparatus that is used for the cotton opening roller brake on the open end spinning apparatus.
Background technology
German laid-open document DE 23 23 511 discloses a kind of open end spinning apparatus with cotton opening roller brake, the present invention in preamble based on this brake apparatus.In disclosed this brake apparatus, has a lever, above fixing brake shoe brake block by compression spring pressurization.Lever with Block brake piece is by an additional operations bar operation that is bearing on the open end spinning apparatus fixed frame.The action bars that is bearing on the fixed frame keep to disconnect brake apparatus, until the turned round enclosure closed of top installation opener roller, thus Block brake piece Contact Transmission roller not.Open as long as can turn round shell, action bars just discharges the lever with Block brake piece, thereby this Block brake piece is pressed to live-roller by compression spring and the opener roller is just braked after can turning round the very little revolution stroke of shell.Between the rack section that can turn round shell and fix an additional maintenance spring is set, it can turn round enclosure closed and remain on the operating position.
Also disclose other in the prior art and be used for the brake apparatus of opener roller, but they all act on different and therefore do not belong to this type.
German laid-open document DE 44 27 584 B4 disclose a kind of brake apparatus, wherein can turn round shell when opening, and an operating parts acts on the driving belt of opener roller.Operating parts shuts down the driving belt of opener roller, and the opener roller is stopped.Driving belt is said so unaccommodated to a certain extent as the Block brake piece and produce very serious wearing and tearing thus when being braked.
German laid-open document DE 22 00 686 C3 disclose such braking and have been installed in the opener roller that can turn round in the shell, and the opener roller is contacted with the brake generation of fixing under the turn state of shell.Be not used in the operating parts of brake or lever movably, but with the gyration guiding brake of opener roller by shell.Only form thus turning round under the situation that shell opens fully, just occur braking effect very lately and the opener roller is stopped.There is risk in this on safety, because the operating staff probably contacts at the opener roller that turns round during shell is opened with still.
German laid-open document DE 101 41 967 A1 disclose a kind of brake apparatus that is used for the opener roller, and it can be operated separately by a lever.Operation of braking means has nothing to do with the motion of opening that can turn round shell.Have a locking system by the shape effect on the action bars, it can prevent to turn round shell and open under the unclamped situation of opener roller.Can turn round shell so need two handles for opening.At first must operate the brake apparatus of opener roller, can open shell then.
Summary of the invention
The objective of the invention is to, improve and simplify the open end spinning apparatus with brake apparatus of the described type of beginning.
This purpose is achieved like this, and promptly brake apparatus forms the holding device that can turn round shell simultaneously.
Brake apparatus and holding device are the structures of having simplified open end spinning apparatus as the combined advantage in integral structure unit.Need less parts so on the whole, because do not omit the required parts of holding device in the past with can having spare part.Braking and the combination of holding device be with particularly preferred mode effect, and promptly two kinds " can be turned round shell and remain on duty " with the incorporate function of construction unit and " braking of opener roller when shell is opened " obtains mutually combining of the best.Two kinds of functions are not to need simultaneously, but carry out successively all the time.
Under the normal operating conditions of open end spinning apparatus, can turn round enclosure closed.The opener roller rotates and the ribbon shredding of being carried is become filament, and it is spun yarn on rotor.Holding device can turn round shell strength in this regard and reasonably remain under its closure state.If now normal spinning process can require to open to turn round shell owing to broken yarn interrupts so, thereby can contact and clear up the rotor that is in the rotor shell.Even under the situation that the opener roller separates with its transmission device when shell turns round, for example retract commentaries on classics outward by tangential belt by live-roller, for security reasons need the opener roller of servo-actuated during the shell revolution, just to brake.What have advantage in this regard is that other handles of opener roller are carried out and need not to be used to brake in the braking of opener roller automatically when shell is opened.
Begin to open in case can turn round shell, just no longer need holding device, and holding device acts on the keeper of open end spinning apparatus fixed frame part and can disengage.Must activate the live-roller traverse feed of brake apparatus and Block brake piece in this case to the opener roller.This point realizes like this that preferably promptly brake apparatus and holding device comprise a shared lever, and Block brake piece and keeper are installed above.Keeper and Block brake piece apply elastic force by a shared spring in a preferred manner.Therefore or be used to produce the confining force of shell or be used to produce brake force shared spring.When enclosure closed,, activate brake apparatus subsequently again, thereby shell is remained under the closure state reliably with opposite order deexcitation brake apparatus at first.
Preferably, the Block brake piece is easy to be installed on the lever with changing in formation of the present invention.Lever preferably has holding the place, helical springly holding the place and set keeper to the fixed frame part of the Block brake piece that is easy to change.The place of holding of Block brake piece preferably constitutes in the mode of T-slot.The keeper that acts on the fixed frame part preferably constitutes in the mode of roller.
Preferably, the Block brake piece has with three exterior contours that leg is T-shaped substantially, and wherein, two relative legs are fixture, and wherein has a braking surface that is used for opener roller live-roller on the 3rd leg.
Other advantages of the present invention and feature are from the following explanation of embodiment.
Description of drawings
Unique accompanying drawing illustrates the schematic cross-sectional that has according to the open end spinning apparatus of brake apparatus of the present invention.
The specific embodiment
Open end spinning apparatus 1 comprises a rotor 2 by known mode own, and it rotates in a rotor shell 3 that is under the negative pressure with high rotating speed.Rotor 2 is supported and drives in the mode that is not shown specifically.Supporting for example can realize that the driving of rotor for example realizes by a tangential belt by two pairs of supporting disks.Be transported to rotor and spun yarn 6 by the filament that opener roller 4 produces by fiber transmission channel 5 in known mode own, it is transported to a unshowned doff device by the passage 7 that doffs with direction of arrow A.
Opener roller 4 is connected with live-roller 9 and rotatable being bearing on the supporting structure 10 by axle 8.For live-roller 9 sets a tangential belt 11 that vertically upward turns round by machine, it drives opener roller 4 and is rotated.The opener roller 4 of rotation becomes filament in the mode that is not shown specifically by a transport conveying fibre rod and by tooth 12 shreddings that are on opener roller 4 excircles, and it is transported in the rotor through fiber transmission channel 5 by air-flow then.
Opener roller 4 is arranged on one and can turns round in the shell 13, and it can turn round at direction of arrow B around gyroaxis 14.Can turn round fiber transmission channel 5 also is set in the shell 13 simultaneously, passage 7 and unshowned fibre yarn feeding doff.Shell 13 forms the front of rotor shell 3 in addition.
Under other operation troubles situations of broken yarn or open end spinning apparatus 1, shell 13 can turn round at direction of arrow B, thereby the inside of rotor 2 can be touched and clear up when needed by the rotor shell of opening 3.When opening shell 13, rotor 2 and opener roller 4 obtain braking and stop.The braking of rotor 2 needs mandatory carrying out, and comes to harm when getting rid of operation troubles to avoid the operating staff.Opener roller 4 stops, so as during to get rid of operation troubles no longer combing be transported to the fiber of the ribbon of opener roller 4.Long-time uncontrolledly continue ribbon that combing sends opener roller 4 to and can confront volume production and give birth to adverse effect.In addition, can anchor on the tooth 12 of opener roller 4 through the fiber of combing, because under the turn state of shell 13, do not carry out filamentary effluxing by fiber transmission channel 5.
The gyroaxis 14 of supporting shell 13 is fixed on the fixed frame 15 of a supporting structure that forms open end spinning apparatus 1.The fixedly supporting or the transmission device of rotor shell 3 and the rotor 2 that is not shown specifically on the frame 15.
For opener roller 4 sets a brake apparatus 16 that activates when shell 13 is opened.An integrated holding device 17 on brake apparatus 16, it can turn round shell 13 strength and reasonably remain under the closure state.Brake apparatus 16 and holding device 17 comprise a shared lever 18, and it is fixed on the shell 13 movingly by axle 19.A Block brake piece 20 is set on the lever 18, and they can be to live-roller 9 traverse feeds of opener roller 4 and produce contact there, brake the opener roller thus.Lever 18 applies elastic force by spring 21 on the direction of arrow C.Spring 21 preferably is made of the helical spring of exerting pressure, and is such just as shown in the drawing.Lever 18 has locates 32 holding of helical spring 21, thereby this spring can accurately be delivered to its elastic force on the lever 18.
The parts of a keeper 22 as holding device 17 are installed on lever 18.Keeper 22 acts on the part 23 of fixed frame 15 and preferably is made of roller 24.With keeper 22 coefficient frame 15 parts 23 on the contact-making surface 25 that is shaped, its effect be make shell 13 by by spring 21 simultaneously keeper 22 by lever 18 pressurizations and contact-making surface 25 near backstops 26, thereby shell 13 reliably and traverse feed on the position of determining.
Block brake piece 20 is easy to be installed on the lever 18 with changing.The advantage of doing like this is to change the Block brake piece 20 of wearing and tearing very simply.Lever 18 has for this reason locates 27 holding of Block brake piece 20, and Block brake piece 20 can insert wherein.Holding place's 27 modes with T-slot constitutes.For T-slot can set clamping or keeper in a not shown manner, it is fixing after holding 20 insertions of Block brake piece in the place 27.The Block brake piece has with three legs 28,29 and 30 T-shaped basically exterior contours.Two relative legs 28 of T shape Block brake piece 20 and 29 are fixture, and its insertion is held in the T-slot at place 27.On the 3rd leg 30 of Block brake piece 20 braking surface 31 is set, it is live-roller 9 traverse feeds to opener roller 4 in when braking.
It is closed and be close on the backstop 26 to turn round shell 13 in working order.Shell 13 is remained on this position by holding device 17.The live-roller 9 of opener roller 4 is close on the tangential belt 11 and drives opener roller 4.Block brake piece 20 does not contact with live-roller 9.If now open end spinning apparatus 1 is opened and can be turned round shell 13 and turns round on direction of arrow B, so at first overcome by keeper 22 and be applied to the part 23 that confining force on the contact-making surface 25 and roller 24 leave frame 15.By the gyration of shell 13, the live-roller 9 of opener roller 4 lifts from tangential belt 11.In case keeper 22 breaks away from and the contacting of part 23, the power effect of lever 18-by spring 21-just move on the direction of arrow C automatically and Block brake piece 20 contact with live-roller 9 until braking surface 31 to live-roller 9 traverse feeds.Opener roller 4 obtains braking when therefore just having opened behind the very little revolution stroke of shell 13, and need not to be used for the auxiliary handle of operate brake 16.
When getting rid of operation troubles rear casing 13 closures, brake apparatus 16 unclamps again by the keeper 22 that slides on frame 15 parts 23.Contact-making surface 25 is shaped like this, in fact keeper 22 is snapped in and shell 13 again on backstop 26 location.After Block brake piece 20 lifted from live-roller 9, live-roller contacted and drives the opener roller with tangential belt 11 again.
As the selection to described lever 18 and helical spring 21 formations, in a kind of selectable formation, lever 18 can be effective as leaf spring equally and constitute, and the function of spring 21 is direct and lever 18 is integrated.Leaf spring can preferably need not axle 19 together with Block brake piece 20 mounted thereto and keeper 22 and directly be fixed on and can turn round on the shell 13.Described operation principle can utilize the lever 18 that constitutes as leaf spring preferably to realize equally.

Claims (11)

1. open end spinning apparatus, have one and be installed in the opener roller (4) and a brake apparatus (16) that sets to opener roller (4) that can turn round in the shell (13), it comprises a Block brake piece (20) that applies elastic force, wherein, when shell (13) turns round, Block brake piece (20) from trend opener roller (4) traverse feed and generation contact there, is characterized in that brake apparatus (16) constitutes the holding device (17) that can turn round shell (13) simultaneously by elastic force.
2. by the described open end spinning apparatus of claim 1, it is characterized in that holding device (17) strength under closure state reasonably keeps turning round shell (13).
3. by claim 1 or 2 described open end spinning apparatus, it is characterized in that holding device (17) comprises a keeper (22) that acts on the part (23) of fixed frame (15).
4. by the described open end spinning apparatus of claim 3, it is characterized in that keeper (22) and Block brake piece (20) apply elastic force by spring (21).
5. by the described open end spinning apparatus of claim 3, it is characterized in that brake apparatus (16) and holding device (17) comprise a lever (18), Block brake piece (20) and keeper (22) are installed on it.
6. by the described open end spinning apparatus of claim 5, it is characterized in that Block brake piece (20) is easy to be installed on the lever (18) with changing.
7. by the described open end spinning apparatus of claim 5, it is characterized in that lever (18) is arranged on and can turns round on the shell (13).
8. by the described open end spinning apparatus of claim 6, it is characterized in that, Block brake piece (20) has with the T-shaped substantially exterior contour of three legs (28,29,30), wherein, two relative legs (28,29) are fixture, and wherein have a braking surface (31) that is used for the live-roller (9) of opener roller (4) on the 3rd leg (30).
9. the lever (18) that is used for the brake apparatus (16) of the opener roller (4) on the open end spinning apparatus (1), it is characterized in that, lever (18) has holding place (27) and being the part of described brake apparatus (16) of the Block brake piece (20) that is easy to change, and has holding place (32) and setting to the keeper (22) of the part (23) of fixed frame (15) and be the part of the holding device (17) that can turn round shell (13) of helical spring (21).
10. by the described lever of claim 9, it is characterized in that the place (27) that holds of Block brake piece (20) constitutes in the mode of T-slot.
11., it is characterized in that keeper (22) constitutes in the mode of roller (24) by claim 9 or 10 described levers.
CN2008100906792A 2007-04-26 2008-04-09 Air flow spinning appartus with cotton opening roller brake apparatus Expired - Fee Related CN101294320B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007019733A DE102007019733A1 (en) 2007-04-26 2007-04-26 Open-end spinning device, has brake lining automatically carried by spring force of opening cylinder during up-tilting of housing, where brake device forms tumbler device for up-tiltable housing
DE102007019733.2 2007-04-26

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN2011102195689A Division CN102277661A (en) 2007-04-26 2008-04-09 Air flow spinning appartus with cotton opening roller brake apparatus

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CN101294320A CN101294320A (en) 2008-10-29
CN101294320B true CN101294320B (en) 2011-09-14

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Application Number Title Priority Date Filing Date
CN2008100906792A Expired - Fee Related CN101294320B (en) 2007-04-26 2008-04-09 Air flow spinning appartus with cotton opening roller brake apparatus
CN2011102195689A Pending CN102277661A (en) 2007-04-26 2008-04-09 Air flow spinning appartus with cotton opening roller brake apparatus

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Application Number Title Priority Date Filing Date
CN2011102195689A Pending CN102277661A (en) 2007-04-26 2008-04-09 Air flow spinning appartus with cotton opening roller brake apparatus

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DE (1) DE102007019733A1 (en)
IT (1) ITTO20080276A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019007102A (en) * 2017-06-23 2019-01-17 村田機械株式会社 Air spinning device module, air spinning unit, and air spinning machine
EP3754061A1 (en) * 2019-06-17 2020-12-23 Saurer Czech s.r.o. Spinning rotor assembly for a rotor spinning machine

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2323511A1 (en) * 1973-05-10 1974-11-28 Fritz Stahlecker Open-end spinning brake - is operated on yarn breakage or other stoppage by common control system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1290527A (en) * 1969-07-08 1972-09-27
DE2200686C3 (en) 1972-01-07 1986-01-02 Schubert & Salzer Maschinenfabrik Ag, 8070 Ingolstadt Open-end spinning machine
DE4229145A1 (en) * 1992-09-01 1994-03-03 Schlafhorst & Co W Open-end spinning unit - has a locking arrangement for the fibre feed channel seal in the front cover
DE4427584B4 (en) 1994-08-04 2004-05-19 Rieter Ingolstadt Spinnereimaschinenbau Ag Disintegration device for a spinning station of an open-end spinning machine
DE10141967B4 (en) 2001-08-21 2011-06-22 Rieter Ingolstadt GmbH, 85055 Apparatus for open-end rotor spinning

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2323511A1 (en) * 1973-05-10 1974-11-28 Fritz Stahlecker Open-end spinning brake - is operated on yarn breakage or other stoppage by common control system

Also Published As

Publication number Publication date
ITTO20080276A1 (en) 2008-07-10
CN101294320A (en) 2008-10-29
CN102277661A (en) 2011-12-14
DE102007019733A1 (en) 2008-10-30

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Granted publication date: 20110914

Termination date: 20190409