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CN1271327A - Preparation of lap ends of a web - Google Patents

Preparation of lap ends of a web Download PDF

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Publication number
CN1271327A
CN1271327A CN98809496A CN98809496A CN1271327A CN 1271327 A CN1271327 A CN 1271327A CN 98809496 A CN98809496 A CN 98809496A CN 98809496 A CN98809496 A CN 98809496A CN 1271327 A CN1271327 A CN 1271327A
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CN
China
Prior art keywords
web
lap
termination
clamping
compressed air
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
Application number
CN98809496A
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Chinese (zh)
Other versions
CN1097022C (en
Inventor
阿尔宾·勒津格
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Maschinenfabrik Rieter AG
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Maschinenfabrik Rieter AG
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Publication of CN1271327A publication Critical patent/CN1271327A/en
Application granted granted Critical
Publication of CN1097022C publication Critical patent/CN1097022C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
    • D06H7/00—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials
    • D06H7/22—Severing by heat or by chemical agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
    • B65H67/08—Automatic end-finding and material-interconnecting arrangements
    • B65H67/086—Preparing supply packages
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G27/00—Lap- or sliver-winding devices, e.g. for products of cotton scutchers, jute cards, or worsted gill boxes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Replacement Of Web Rolls (AREA)

Abstract

本发明涉及一种方法和一种用来实施该方法的装置,用来为后随的棉网的进一步加工准备一个棉网(B)的棉卷端头(E)。在已知的用来准备棉卷(W)端头的装置中,棉网(B)通常是握住在一个或两个夹紧位置上,并把它们互相拉断。因此实际的切断线是不固定的。为了改进此状态,建议把棉网(B)在其宽度上予以夹紧,并把突出在夹紧位置(K)外的自由端(E)藉助一在棉网(B)宽度上所产生的压缩空气流直接在夹紧位置之后予以切断。此压缩空气流可通过一压缩空气喷嘴(32)来产生,它的喷口(33)直接靠近夹紧装置(K)的出口位置。

Figure 98809496

The invention relates to a method and a device for implementing the method for preparing a lap end (E) of a web (B) for subsequent further processing of the web. In known devices for preparing the end of a lap (W), the web (B) is usually held in one or two clamping positions and pulled apart from each other. The actual cutting line is therefore not fixed. In order to improve this situation, it is proposed to clamp the web (B) across its width and to cut off the free end (E) protruding beyond the clamping position (K) directly after the clamping position by means of a compressed air flow generated across the width of the web (B). This compressed air flow can be generated by a compressed air nozzle (32), the nozzle (33) of which is directly adjacent to the outlet position of the clamping device (K).

Figure 98809496

Description

The preparation of the lap termination of a web
The present invention relates to a kind of method and apparatus that is used for being prepared as the lap termination of the required web of road, back manufacturing procedure.
For the automatic joint of lap termination, for example in combing machine, the lap termination is prepared respectively, in the joint location zone of the lap termination of pulling out thin or thick position appear so that avoid in follow-up joint process.This joint of the lap of a new supply also can be applied in the combing preparation.The lap termination of Zhun Beiing is seen on the length direction of debatching direction and should be shown the cut-out limit one like this, and it is positioned on the approximate line of cut-out uniformly, and the lap termination should be pulled out in about most advanced and sophisticated mode here.In other words the lap termination than web slightly attenuation some.
From EP-A1-482 475 is known a kind of device arranged, wherein prepare to be positioned at lap termination on the take up roll by being located at two preparation devices between the take up roll.In the case, still be positioned at termination on the lap by an aspirator sucking-off and transfer to the zone of a fixing device.Lap keeps rotation in this process, till the existing enough length in the lap termination of determining institute's sucking-off by a sensor is positioned at the fixing device zone.In case after reaching this state, just being further rotated of lap stops by stopping take up roll, and makes the fixing device closure.And then Bi He fixing device is after on the whole width clamping web, and the reverse drive by take up roll is rotated lap round about.Therefore because the result of clamping action, the lap termination is broken between clamped position and lap supporting-point in the take up roll back or is separated.
Be positioned at the termination of the cut-out below the clamped position, mat one aspirator siphons away and throws away after fixing device unclamps.
With this device, in most of the cases can obtain one prepare good lap termination, it can be applicable to the automatic joint process in road, back.
But this situation once took place, and particularly in the time must processing the lamination coating that has than chopped fiber (short fiber), promptly the distance between the lap supporting-point on the clamped position of fixing device and the back take up roll is too big and can not obtain a cut-out limit that limits.
This means and cut off line or cut off the limit may appear on any position and be not on the accurate preposition between the supporting-point of lap on described clamping lines and back take up roll, because web has different structures and obvolvent length for its debatching length.
This may cause in the follow-up joint process that the lap termination is connected on the lap termination of pulling out, and two lap terminations superimposed is difficult to accurately control, causes in the joint process two lap terminations overlapping sometimes too much, and sometimes very little.
Therefore the object of the present invention is to provide a kind of method and a kind of device, can realize the accurate off-position of lap on the web length direction by it.
Advise a kind of method, wherein web is clamped on its width for this reason, and and then the free end of giving prominence to outside clamped position is being cut off after the clamped position with flowing in the pressurized air that is produced on the web width.
Also suggestion in addition: the web termination that is cut off by pressurized air stream siphons away from the clamped position zone by at least one other air-flow.
Can obtain the exact location that a lap termination cuts off line in the downstream of clamped position with this device.Therefore no longer as original cutting-off method the counter-rotating by take up roll realize, but only cut off by applying compressed air.Before the take up roll counter-rotating, fixing device unclamps again so that ready lap termination is placed on the lap again.
The length direction that the direct vicinity that pressurized air is preferably in the web clamped position is sentenced with clamped web transversely or at angle blows on the lap termination to direction.
The present invention can realize by another kind of device equally, a fixing device and a pressurized air nozzle that extends at the web Width have wherein been adopted, here the pressurized air nozzle is arranged on the outgoing side near fixing device, and its spout is the lap termination of giving prominence to facing to from fixing device.For the purpose of taking away the lap termination of being separated by the pressurized air nozzle, suggestion is provided with a suction channel at the outgoing side of fixing device.
For the purpose of the design and an in check air-flow that obtain a compactness, also advise fixing device is fixed on the suction channel, and the pressurized air nozzle is given prominence in suction channel with its spout at least.
The pressurized air nozzle can design like this, makes it that the spout of independent adjacent arrangement can be set.
It is as follows by the following examples other advantages to be elaborated, wherein:
Fig. 1 is the diagrammatic side view that has by the web inlet of combing head in the combing machine of air plant of the present invention;
Fig. 2 is the diagrammatic sketch of the fixing device among Fig. 1 when opening.
Fig. 1 represents that wherein a lap W is positioned on driven take up roll 3,4 by a cross-sectional plane of the inlet of the web on the combing head 1 of a combing machine.Be provided with one in the middle of below take up roll 3 and 4 and prepare the termination E that device 6 is used for preparing web B.Preparation device 6 is made up of a suction tube 8 and a suction channel 9 that imports in the pipe 8.So just be provided with 8 such passages 9 under the situation of 8 combing heads, they all import in the pipe 8.Be connected with a vacuum source of not representing in detail on the pipe 8, produce an air-flow from each passage 9 inflow pipes 8 by its, as shown by arrows.
Being provided with one in the upper area of passage 8 can be round axle 10 and the side wall member 11 of rotating, it within it side have an elastomeric clamping element 12.Clamping element 12 for example can be made by rubber.As shown in FIG., be hinged on cylinder 14 on the passage 9 with axle 15, clamping element 12 is pressed to web B that stretches in passage 9 and fixed sidewall parts 16 that are positioned at the opposite by one.Thereby form a K of clamping lines when appearing on the width of web B.
Cylinder 14 is connected with the side wall member 11 that can rotate with clamping plate 19 by axle 18.Cylinder 14 links to each other with compressed air source by valve 20 and by circuit 21 or 22.Valve 20 is controlled by control unit S, and control unit S can also determine the feeding direction by compressed air source 24 air supplied.In order to monitor the position of clamping element 12 or axle 18, be provided with a sensor 26, it is connected with control unit S by lead 27.In order to monitor the position of lap termination E, in passage 9, be provided with another sensor 29, it is connected with control unit S by lead 30.Clamped position K directly below be provided with a nozzle 32, its spout 33 is the inside of pointing to passage 9.Spout 33 can be made up of the independent spout of adjacent setting, and they are distributed on the width of web.Spout 33 also can be designed to the slit that extends on the web width, and by pipeline 35 from compressed air source 27 to its feeding pressurized air.The control of compressed air delivery is realized that by valve 36 valve 36 is controlled by control unit S by control element 38.Here control unit S is connected with control element 38 by circuit 39.Be provided with one and take device 42 away in the rotating shaft 5 of take up roll 3, it produces an air-flow that blows to the tangential direction of lap W by a nozzle element that schematically illustrates 43, is used for taking away ready lap termination E.Specifying of this device can be known from EP-A1-482 475, also can know other details of the enforcement of relevant preparation device 6 from it.
Also schematically express a nipper unit Z and a feeding roller SW in addition.The web 8 that rolls out from lap W is supplied to nipper unit Z by a pair of pressure roller 44.
On the position shown in Fig. 1 and 2, the driving of a pair of pressure roller 44 and nipper Z is out-of-action, have only when by take away device 42 a new ready lap termination E when pulling out lap termination E1 joint, it just works again.Pull out the preparation of lap termination E1 and for example can carry out, wherein this process is had detailed explanation according to preceding European patent No.455 171.
The piston of cylinder 14 indentation in Fig. 2 makes clamping element 12 lift from passage 9 opposite side walls 16, that is to say, side wall member 11 is made anti-clockwise owing to the indentation of cylinder 14 by axle 10 and rotated.So passage 9 is opened again near and suck a new lap termination E.
Be elaborated as follows according to Fig. 1 and 2 to the set up procedure of lap termination E:
At the lap termination E1 that pulls out web B after being ready to and being positioned at position shown in Figure 2 described in the EP-A1-455 171, a new lap W who reels is placed on take up roll 3 and 4, lap W is by take up roll 3,4 drive and rotate by the direction of arrow P 1, simultaneously in suction tube 8 and passage 9, apply a negative pressure, make and in passage 9, produce an air-flow, as shown by arrows, after in case the termination E of the outer web B on the lap W is caught by the suction of passage 9, mention and be drawn in the passage 9 from the periphery of lap immediately owing to the continuation of lap W rotation makes the termination, when sensor 29 is found out termination E, thereby the rotation of the driving of wireline reel 3 and 4 and lap W just stops.This is to work after receiving the signal of sensor 29 by path 30 by control unit S.Control unit S switches to corresponding position to valve 20 now, makes a side of the piston of cylinder 14 be compressed the effect of air by pipeline 22.The piston of cylinder 14 outwards stretches and side wall element 11 is moved in the direction of the clock round axle 10 together with clamping element 12 as a result.This rotational motion is monitored by sensor 26.When reaching home the position, just stop cylinder 14 supply pressurized airs.On this final position, clamping element 12 rests in web B and upward and it presses to fixed sidewall 16, as shown in Figure 1.After arriving this clamped position, by control unit S valve 36 is worked, the pressurized air that compressed air source 37 is produced is delivered to the spout 33 of nozzle 32.Pulse of compressed air is to set like this, and it is cut off lap termination E immediately in a fixed manner in the back of clamped position K.This means that cutting off line is accurately to be positioned on the line of spout 33.So the lap termination E that cuts off is aspirated downwards and is emitted.After cutting-off process finished, valve 20 triggered by control unit S again, made pressurized air pass through pipeline 21 and supply cylinder 41.In the case, the piston rod of cylinder 14 indentation and make side wall member 11 rotate back into position shown in Figure 2 inwards.
Be lifted by clamping element 12 clamp after soon, take up roll 3 and 4 is by being driven by direction shown in Figure 1, the result makes lap W rotate with the direction of arrow P 2 (Fig. 1).This hand of rotation lasts till that new ready lap termination E arrives till the supporting-point between take up roll 4 and the lap W, places so that it is placed on the outer of lap W.After the lap termination E that cuts off by nozzle 32 was siphoned away by aspirator (9,8), suction airflow just was closed heavily again.
So take up roll is reverse again, lap is rotated by the direction of arrow P 1, make the new lap termination E that is positioned on the periphery arrive the zone of taking unit 42 away, the termination is taken and transferred to away pressure roller 44 and pull out lap termination E1 by it.New lap termination E controls like this with the joint of pulling out lap termination E1 and coordinates in time, and a joint location that does not have thin point or thick point is promptly arranged in pressure roller 44 zones.Just can carry out now the normal debatching process of web from lap W, so that cylinder (Rundkamm) (not shown) combines and realizes combing process in the middle of nipper unit Z.
The preparation of passing through the lap termination of being advised can obtain one and prepare and fixing off-position, thus can carry out exactly the back with same overlapping process of pulling out lap termination E1 and the preparation of new lap termination E.

Claims (7)

1.用来为后随的棉网的进一步加工准备一棉网(B)的棉卷端头(E)的方法，其特征在于：棉网(B)在其宽度上被夹紧，并把突出在夹紧位置(K)以外的自由端(E)藉助一在棉网宽度上所产生的压缩空气流在紧随夹紧位置后面予以切断。1. Method for preparing the lap end (E) of a web (B) for subsequent further processing of the web, characterized in that the web (B) is clamped across its width and The free ends (E) protruding beyond the clamping position (K) are cut off immediately after the clamping position by means of a compressed air flow generated across the web width. 2.根据权利要求1的方法，其特征在于：由压缩空气流所切断的棉网(B)的棉卷端头(E)通过至少另一气流从夹紧位置(K)的区域吸走。2. The method according to claim 1, characterized in that the lap end (E) of the web (B) severed by the compressed air flow is sucked away from the area of the clamping point (K) by at least one other air flow. 3.根据权利要求1至2中之一的方法，其特征在于：压缩空气在直接靠近棉网(B)的夹紧位置(K)上，并相对夹紧的棉网(B)成横向地或成一角度地吹在棉卷端头(E)上。3. Method according to one of claims 1 to 2, characterized in that the compressed air is at the clamping point (K) directly adjacent to the web (B) and transversely relative to the clamped web (B) Or blow on the lap end (E) at an angle. 4.用来为后随的棉网的进一步加工准备一棉网(B)的棉卷端头(E)的装置，其特征在于：有一夹紧装置(11，12，14，16)和一延伸在棉网(B)的宽度上的压缩空气喷咀(32)，其中压缩空气喷咀靠近地设置在夹紧装置的出口侧，它的喷口(33)面向着突出在夹紧装置外的棉卷端头(E)。4. Device for preparing the lap end (E) of a web (B) for subsequent further processing of the web, characterized in that it has a clamping device (11, 12, 14, 16) and a A compressed-air nozzle (32) extending across the width of the web (B), wherein the compressed-air nozzle is located close to the outlet side of the clamping device, its nozzle (33) facing the protruding outside of the clamping device Roll end (E). 5.根据权利要求4的装置，其特征在于：夹紧装置(11，12，14，16)的出口侧设有一抽吸通道(9)。5. Device according to claim 4, characterized in that the outlet side of the clamping device (11, 12, 14, 16) is provided with a suction channel (9). 6.根据权利要求5的装置，其特征在于：夹紧装置(11，12，14，16)是固定在抽吸通道(9)上，并且压缩空气喷咀(32)至少以其喷口(33)突入在抽吸通道(9)内。6. The device according to claim 5, characterized in that: the clamping device (11, 12, 14, 16) is fixed on the suction channel (9), and the compressed air nozzle (32) is at least with its nozzle (33) ) protrudes into the suction channel (9). 7.根据权利要求6的装置，其特征在于：压缩空气喷咀(32)上设有单独的相邻设置的喷口(33)。7. The device according to claim 6, characterized in that: the compressed air nozzle (32) is provided with separate adjacent nozzles (33).
CN98809496A 1997-09-25 1998-08-18 Preparation of lap ends of a web Expired - Fee Related CN1097022C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19742300A DE19742300A1 (en) 1997-09-25 1997-09-25 Preparation of a wad of cotton wool
DE19742300.0 1997-09-25

Publications (2)

Publication Number Publication Date
CN1271327A true CN1271327A (en) 2000-10-25
CN1097022C CN1097022C (en) 2002-12-25

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CN98809496A Expired - Fee Related CN1097022C (en) 1997-09-25 1998-08-18 Preparation of lap ends of a web

Country Status (6)

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EP (1) EP1017608B1 (en)
JP (1) JP2001517739A (en)
CN (1) CN1097022C (en)
AU (1) AU8556698A (en)
DE (2) DE19742300A1 (en)
WO (1) WO1999015453A1 (en)

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CN107161745A (en) * 2017-05-12 2017-09-15 安徽省萧县徽星机械制造有限公司 A kind of greenhouse is by production line Cover roller
CN110116926A (en) * 2018-02-06 2019-08-13 维美德技术有限公司 Coiling machine for winding fiber web digs method and tip-up device
CN114427132A (en) * 2021-12-31 2022-05-03 江苏欣洁织造有限公司 Manufacturing process and device of composite superfine fiber special for knitting towel machine
CN114803616A (en) * 2022-04-06 2022-07-29 上海先导慧能技术有限公司 Starting processing device and roll changing equipment

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IT1306948B1 (en) * 1999-01-14 2001-10-11 Marzoli Spa PROCEDURE AND AUTOMATIC DEVICE FOR REPLACING THE CABLE, PREPARING AND JOINING ITS LINES AND STARTING UP IN A
JP6295922B2 (en) * 2014-11-05 2018-03-20 株式会社豊田自動織機 Preparation method of lap edge in comber
CN111364128A (en) * 2020-03-12 2020-07-03 经纬智能纺织机械有限公司 A kind of air blowing control device for automatic joint of combing machine

Family Cites Families (4)

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JP2763968B2 (en) * 1990-05-02 1998-06-11 マシーネンフアブリーク リーテル アクチエンゲゼルシヤフト Method of joining lap in lap processing machine and lap processing machine
CH681894A5 (en) * 1990-10-22 1993-06-15 Rieter Ag Maschf
JP2783067B2 (en) * 1992-06-19 1998-08-06 王子製紙株式会社 Frame change device
US5377930A (en) * 1993-01-15 1995-01-03 International Paper Company Paper turn-up system and method

Cited By (6)

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CN107161745A (en) * 2017-05-12 2017-09-15 安徽省萧县徽星机械制造有限公司 A kind of greenhouse is by production line Cover roller
CN110116926A (en) * 2018-02-06 2019-08-13 维美德技术有限公司 Coiling machine for winding fiber web digs method and tip-up device
CN110116926B (en) * 2018-02-06 2021-03-02 维美德技术有限公司 Turning-up method and turning-up device for a reel-up for winding a fibre web
CN114427132A (en) * 2021-12-31 2022-05-03 江苏欣洁织造有限公司 Manufacturing process and device of composite superfine fiber special for knitting towel machine
CN114803616A (en) * 2022-04-06 2022-07-29 上海先导慧能技术有限公司 Starting processing device and roll changing equipment
WO2023193554A1 (en) * 2022-04-06 2023-10-12 无锡先导智能装备股份有限公司 Starting end processing apparatus and roll replacement device

Also Published As

Publication number Publication date
DE19742300A1 (en) 1999-04-01
AU8556698A (en) 1999-04-12
EP1017608A1 (en) 2000-07-12
WO1999015453A8 (en) 2000-05-04
EP1017608B1 (en) 2002-03-20
WO1999015453A1 (en) 1999-04-01
CN1097022C (en) 2002-12-25
DE59803460D1 (en) 2002-04-25
JP2001517739A (en) 2001-10-09

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