EP0761852B1 - Streckwerk mit Verstellvorrichtung der Streckwerkswalzen - Google Patents

Streckwerk mit Verstellvorrichtung der Streckwerkswalzen

Info

Publication number
EP0761852B1
EP0761852B1 EP96111224A EP96111224A EP0761852B1 EP 0761852 B1 EP0761852 B1 EP 0761852B1 EP 96111224 A EP96111224 A EP 96111224A EP 96111224 A EP96111224 A EP 96111224A EP 0761852 B1 EP0761852 B1 EP 0761852B1
Authority
EP
European Patent Office
Prior art keywords
push rod
plant machine
spinning plant
bearing arrangement
several
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
Application number
EP96111224A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0761852A1 (de
Inventor
Wolfgang Göhler
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.)
Rieter Ingolstadt Spinnereimaschinenbau AG
Original Assignee
Rieter Ingolstadt Spinnereimaschinenbau AG
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 Rieter Ingolstadt Spinnereimaschinenbau AG filed Critical Rieter Ingolstadt Spinnereimaschinenbau AG
Publication of EP0761852A1 publication Critical patent/EP0761852A1/de
Application granted granted Critical
Publication of EP0761852B1 publication Critical patent/EP0761852B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • D01H5/32—Regulating or varying draft
    • D01H5/34—Regulating or varying draft by manual adjustments
    • 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
    • D01H5/44—Adjusting drafting elements, e.g. altering ratch

Definitions

  • the present invention relates to a spinning machine with a Drafting system for duplicating and warping fiber slivers in accordance with the preamble of claim 1.
  • spinning machines for example spinning machines, combing machines or The distances between the drafting rollers must be changed on lines to optimally different fiber materials on the same To be able to process the machine.
  • To adjust the pedestals in at least the lower roller of a pair of rollers is mounted, it is from DE 33 01 239 A1 in a drafting system for a Known route, the bearing blocks after loosening their fasteners to be able to move.
  • Each of the two pillow blocks, which too belonging to a drafting roller is from the guide rail to solve individually and then in parallel together with the second bearing block to move the roller.
  • the main disadvantage is that the rollers are readjusted each time Need to become.
  • the clamping screw with which the Bearing blocks are clamped on the guide rail only by accessible below. All of this does adjusting the distances the drafting rollers complicated and time consuming.
  • German utility model 1 821 627 for a drafting system for a twisting or spinning machine with the bearing blocks of the drafting rollers to provide a threaded hole that works with an adjusting spindle. By turning the adjusting spindle, the bearing block working with it can be adjusted. However, this has the disadvantage that the replacement of the bearing blocks is difficult because the spindle is screwed out of the bearing block got to.
  • the present application is based on GB-A 822 352, which is an adjusting device shows for the guidance of the drafting rollers, this on a rod performed and when adjusting on this by means of a push rod, which in turn with a threaded spindle is coupled to be moved.
  • Fixation is disadvantageous the guides of the drafting rollers on the drive of the push rods, because a basic body for receiving the drafting system is missing. The thread of the Drive countered with a nut.
  • the object of the present invention is to provide a spinning machine with a To design the drafting system with an adjustment device for the drafting system rollers, that the disadvantages of the prior art are avoided, the adjustment device or the spinning machine is inexpensive and the setting of the distances of the drafting rollers to each other can be carried out easily and quickly.
  • the present object is achieved by the features of the claim 1 solved.
  • designing the spinning machine with a drafting body to accommodate the drafting system is advantageously achieved that the Drafting system can be attached in a simple manner and still a quick one Adjustment of the drafting system to adapt to other technological specifications guaranteed is.
  • This is in connection with a clamping device for fixing the The drafting rollers for the drafting frame base have been reached, including the push rods be clamped to adjust the drafting system.
  • the mounting for the lower roller is in two parts is, so that the two ends of the lower roller with their sliding or rolling bearings in separate storage.
  • This has the advantage that each End of the roller can be adjusted by its own push rod, which makes the Adjustment is particularly precise and the parallelism of the lower rollers to each other is secured.
  • the push rod is transverse to it Direction of movement is guided over stops. This will ensure the exact positioning the drafting rollers also guaranteed when adjusting the bearing.
  • the Arrangement of the stop for guiding the push rod directly on the drafting unit base is advantageous. It is particularly favorable if the stop for Guide the push rod is arranged on a bearing of a lower roller. Thereby the manufacture of the drafting unit base is simplified.
  • the stop formed for guiding the push rod by another push rod so can support each other and thereby their dimensional stability and Mutually improve the quality of leadership.
  • the device this makes it easier and fewer processing steps are necessary.
  • the stop so that its surface is vertical is arranged to the axis of the lower roller, whereby the guide parallel to the direction of movement the push rod is aligned and a lateral evasion of the Push rods is prevented.
  • the storage itself is not on the drafting body must be attached. This enables the drafting rollers to be released and moved quickly possible because only one or two clamping points fix all movable Storage takes place.
  • the clamping device advantageously also contain stops for guiding a push rod, when using multiple push rods all through them clamping device can also be performed.
  • the drafting unit base has a sliding surface, on which the bearings to be adjusted are slidably guided are.
  • the adjustment of the bearings and thus the distances of the Drafting rollers to each other is thereby with a small Force possible.
  • the sliding surface is advantageously pressure-stable trained because they then move from the top roller to the Bottom roller can take over exerted pressure forces. Need this then not to be picked up by the push rods. Their leadership role then consists only in the storage at the exact Hold on the sliding surface and lead there.
  • the movement of the push rod is effected particularly simply by that this has a coupling piece with a threaded spindle connected is.
  • Turning the spindle makes one special finely adjustable, axial movement of the push rod enables.
  • the push rod has an axial length from Coupling piece on the storage to be adjusted up to one in axial direction adjoining guide is sufficient.
  • the push rod can be particularly easy and well managed. Become two push rods for adjusting the bearings of a lower roller used, it is particularly beneficial if these together are coupled so that both push rods only at the same time are movable together in the same direction. This leaves the axis parallelism of the lower roller to the other drafting roller pairs Always preserved even when adjusting.
  • the two push rods are connected via a coupling each connected to a threaded spindle and this in turn each via a chain or belt wheel with associated drive belt coupled with each other. It is particularly favorable if this by means of a toothed belt, which with corresponding belt wheels works together on the threaded spindles.
  • Figure 1 shows schematically a route 1 in side view.
  • a fiber sliver 91 is removed from a plurality of supply cans 9 and fed to the drafting system 2 of the line.
  • the drafting system 2 is here shown in dash-dotted lines.
  • the drafting unit 2 of the line 1 can be a regulated or an unregulated one Be drafting system.
  • the drafting unit 2 of the line 1 consists of three pairs of rollers, the each consist of a lower roller 21 and an upper roller 22. The number of Roller pairs can also be more than three roller pairs, as well several upper rollers can be assigned to one lower roller.
  • FIG. 2 shows the side view of a drafting device 2 for three pairs of drafting device rollers, which are received by a drafting body 23.
  • the drafting roller pairs consisting of an upper roller 22 and a lower roller 21 (see Fig. 1), are included at their ends in the storage 3.
  • Top and Bottom roller are not shown in Figure 2. It is only visible in the bearings 3 a bore 210 in which the bearing of the associated lower roller is received is, and a groove 220 in which the top rollers are stored.
  • the top rollers can both after opening the pressure arms (not shown) of the drafting system remain in the bearings or swing away with the pressure arm when opening.
  • the top rollers become detached from the pressure arm so that they close to the storage when the pressure arms are closed can adjust. Then they are then reattached to the pressure arm.
  • the top rollers are aligned exactly with the bottom rollers through the groove 220. Since the sliver enters the drafting system from the left, the left storage is 3 that of the input cylinder pair of the drafting system, the middle bearing 3 that of Middle cylinder pair and the right storage 3 for the output cylinder pair of the drafting unit 2.
  • the bearings 3 lie on the drafting unit base body 23 on what can be shown from Figure 2 only with the dashed line 10, since the Viewer side facing the drafting body 23 shown in section is to be able to show the push rod 4.
  • the push rod 4 On the push rod 4 is the storage 3 of the pair of input cylinders fixed by two screws 41. By solving this Can screw the bearing 3 from the drafting system be removed.
  • the bearing 3 is only held on the push rod 4 and their downward movement towards the drafting body 23 is limited in that the bearing 3 on the drafting body 23 rests.
  • the push rod 4 has on its, facing away from the pair of output cylinders Side a coupling piece 8 to which it is screwed.
  • the coupling piece 8 has a bore with a thread with which it is connected to a threaded spindle 81 cooperates.
  • the threaded spindle 81 is in a holder 24 of the drafting body 23 axially not slidably mounted.
  • the push rod 4 has a receptacle 42, which is designed here in the form of bores is. However, the receptacle could also be configured as a pin, for example his.
  • the corresponding counterpart has the bearing 3.
  • the receptacle 42 has when dismantling a bearing and then reassembling it on the Push rod for the purpose of reassembling the bearing in exactly the same place to be able to, for example by screwing. Adjustment work after the change storage is superfluous.
  • the drafting device is provided with a clamping device 7 which is operated by means of a clamping screw 71 both the push rod 4 for adjusting the pair of input cylinders as well (not visible) the push rod for the adjustment of the middle cylinder pair, fixed to the drafting body 23.
  • the clamping device is, except the self-locking Function of the threaded spindle 81, the only device for fixing the bearings 3 inside the drafting system. The bearings themselves are not attached to the drafting body 23.
  • the push rod 4 is guided in the area the clamping device 7 and in the area of the storage of the output cylinder pair 33.
  • the push rod 4 experiences an additional guidance in the area of the middle cylinder pair 32 through its storage 3.
  • Figure 3 shows the drafting system 2 of Figure 2, wherein the bearing 2 of the input cylinder pair 31 is shown in its two possible adjustment positions.
  • the push rod 4 is shifted into the position next to the holder 24.
  • the position A of the input cylinder pair 31 is reached when its storage on the left of the two receptacles 42, see Figure 2, is mounted.
  • the position B will reached when the storage of the input cylinder pair 31 on the right of the two receptacles 42, see Figure 2, is mounted.
  • For the middle cylinder pair 32 which is also shown in the position closest to the holder 24 is usually only a receptacle on its associated push rod 42 available.
  • the output cylinder pair 33 can be inside the drafting system cannot be adjusted.
  • the push rod adjusting the middle cylinder pair 32 is in the representation of Figure 3 can not be seen, since they are congruent with the one shown Push rod 4 for the input cylinder pair 31 is shown.
  • the corresponding Coupling piece is not shown and would be in contact with the lower threaded spindle 81st
  • the two push rods 4 are guided on each side on the clamping device 7, and on the pair of output cylinders 33.
  • the push rods 4 slide with it Top along the bottom of the output cylinder pair 33 along. Down in The push rods have play in the direction of the drafting unit base 23.
  • a further guide for the push rod 4 takes place on the clamping device, here also the underside of the push rod via a stop 430 of the Drafting unit base is arranged, he follows.
  • This stop 430 is a flat surface that is perpendicular to the plane of the drawing is arranged and runs horizontally in the drafting system.
  • the top 401 of the push rod is guided on the clamping device 7 by an adjustable stop 43.
  • This stop is via the clamping screw 71 in the direction of the drafting body 23 movable to fix the push rods.
  • the push rods are supported on the bearings 3 assigned to them indirectly, via the underside of the bearings 3, on the sliding surface 25 of the Drawing frame base 23 also from.
  • a rest of the push rod down on the drafting unit base 23 takes place directly only on the clamping device 7.
  • the sliding surface 25 lies, just like in FIG. 2, horizontally and is through the line 10 shown.
  • the support of the push rod 4 with respect to their movement in vertical Direction thus takes place via the stops 43, on the clamping device 7 and on the output cylinder pair 33, namely at the stops 43 and 430 of the clamping device 7 both up and down.
  • Figures 4a to 4c show a section through the drafting cylinders in principle as a right side view of Figures 2 and 3, with input, middle and output cylinders, or respectively pair of cylinders, in the illustration for better clarity one above the other and each without their top rollers 22 (see FIG. 1) are.
  • Figure 4a shows the lower roller 21 for the input cylinder 31
  • Figure 4b the lower roller 21 for the central cylinder 32
  • FIG. 4c the lower roller 21 for the output cylinder 33.
  • the input cylinder 31 consists of a lower roller 21, which is stored in the bearing 3 via bearing 311. All three positions of figure 4a to 4c have a recess 300 in which the push rods 4 are partially run.
  • Input cylinder pair 31 and center cylinder pair 32 are displaceable on the sliding surface of the drafting unit base body, while the output cylinder pair 33 by means of fasteners (not shown) is attached to the drafting unit base.
  • the bearing 3 of the input and middle cylinder pair is formed in two parts, so that two push rods 4 are also required to adjust the bearing 3.
  • both on the left bearing 3 a push rod 4a and a push rod 4a are provided on the right bearing 3.
  • Via screws 41 are the left and right bearings 3 of the pair of input cylinders connected to the associated push rods 4a.
  • the lateral guidance of the push rods assigned to the input cylinder pair 31 4a takes place through the bearings 3 of the middle and output cylinder pair and through the clamping device 7.
  • the push rods 4b which the storage of Adjust the pair of central cylinders, also housed the push rods 4a, which are used for the Adjustment of the bearings 3 of the input cylinder pair 31 (see FIG. 4a) is required are.
  • both push rods 4a and 4b are housed.
  • the lateral guidance of the push rods 4a and 4b is such that they are either on one of the two side walls 301 or in the opposite direction support the other push rod.
  • the push rods are also supported laterally the side walls the clamping device 7.
  • Figure 5 shows a left side view of the drafting system of Figures 2 and 3 with the for the adjustment of the drafting rollers essential, visible in this view Components for moving the push rods.
  • On the drafting body 23 are for the left and the right side each have a holder 24 for receiving the threaded spindle 81 (see FIG. 2, 3) is provided.
  • the threaded spindles 81 are over a Carried out by the bracket 24 and there with a toothed belt wheel 82nd connected. Because the drafting rollers are adjusted on each side using two push rods are accordingly 4 threaded spindles are provided, each one Has toothed belt wheel 82.
  • Each 2 toothed belt wheels 82 are by means of a toothed belt 83 coupled together.
  • the toothed belt wheels 82 have a drive rod 84 on which a drive wheel (not shown) can be placed, whereby the rotation of the threaded spindle can be generated. It is enough if, as for example in FIG. 5, only the two toothed belt wheels 82 of the right one Side are equipped with a drive rod 84 because the rotational movement of a Toothed belt wheel 82 on the right side over the toothed belt 83 on the toothed belt wheel the left side is transmitted. By using a toothed belt it is ensured that the right toothed belt wheel experiences the same rotational movement as the left one, which means that the threaded spindles on both sides describe exactly the same path.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)
EP96111224A 1995-08-12 1996-07-12 Streckwerk mit Verstellvorrichtung der Streckwerkswalzen Expired - Lifetime EP0761852B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19529831 1995-08-12
DE19529831A DE19529831B4 (de) 1995-08-12 1995-08-12 Strecke mit Verstellvorrichtung der Streckwerkswalzen

Publications (2)

Publication Number Publication Date
EP0761852A1 EP0761852A1 (de) 1997-03-12
EP0761852B1 true EP0761852B1 (de) 2002-03-13

Family

ID=7769418

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96111224A Expired - Lifetime EP0761852B1 (de) 1995-08-12 1996-07-12 Streckwerk mit Verstellvorrichtung der Streckwerkswalzen

Country Status (5)

Country Link
US (1) US5809762A (es)
EP (1) EP0761852B1 (es)
JP (1) JP3710886B2 (es)
DE (2) DE19529831B4 (es)
ES (1) ES2171579T3 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1251193A1 (en) * 2001-04-17 2002-10-23 Hara Corporation Drafting apparatus
DE102005040144A1 (de) * 2005-08-25 2007-03-01 Saurer Gmbh & Co. Kg Streckwerk für eine Spinnmaschine
DE102012103144B4 (de) * 2012-04-12 2024-02-22 Rieter Ingolstadt Gmbh Textilmaschine mit wenigstens zwei gleichwirkenden Streckwerken
CH712605A1 (de) * 2016-06-24 2017-12-29 Rieter Ag Maschf Streckwerk zum Verstrecken eines strangförmigen Faserverbands sowie damit ausgerüstete Textilmaschine.

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE21165C (de) * CH. A. MASSON in Paris Einrichtung zum Antrieb der Spindeln an Spinnmaschinen
US840779A (en) * 1905-10-20 1907-01-08 Edward D Libby Roll-stand for spinning-frames.
US888102A (en) * 1907-06-20 1908-05-19 Edward D Libby Roll-stand for spinning-machines.
US1130880A (en) * 1914-07-20 1915-03-09 Arthur J Blackwood Adjustable roller-holder.
CH246959A (de) * 1945-03-14 1947-02-15 Podnik Bata Narodni Spinnmaschine mit Vorrichtung zur Einstellung der Klemmentfernungen zwischen Streckwalzenpaaren.
GB590400A (en) * 1945-04-19 1947-07-16 Casablancas High Draft Co Ltd Improvements in or relating to roller stands for spinning and preparing machines
FR1009769A (fr) * 1948-06-24 1952-06-03 Banc d'étirage pour le travail des fibres textiles
GB674142A (en) * 1949-05-04 1952-06-18 Howard & Bullough Ltd Improvements relating to the drafting apparatus of textile spinning and analogous machines
US2707309A (en) * 1950-08-15 1955-05-03 Terrell Mach Co Draw box roll setting mechanism
GB822352A (en) * 1956-06-04 1959-10-21 Angus George Co Ltd Improvements relating to setting rollers in spinning machines
BE566610A (es) * 1957-04-11
US2885740A (en) * 1957-05-20 1959-05-12 Angus George Co Ltd Setting rollers in spinning machines
US2890495A (en) * 1957-07-25 1959-06-16 Alsacienne Constr Meca Textile drafting apparatus
DE1821627U (de) * 1960-09-15 1960-11-10 Schubert & Salzer Maschinen Streckwerk fuer spinn- und zwirnmaschinen.
CH401773A (it) * 1963-05-27 1965-10-31 Som Andreani & C Officine Mecc Dispositivo per l'orientamento di fibre tessili in nastri o veli su stiratoi
US3401430A (en) * 1965-10-23 1968-09-17 Ideal Ind Drafting roll support for textile machine
DE2852692A1 (de) * 1978-12-06 1980-06-19 Schlafhorst & Co W Verfahren und vorrichtung zum einstellen des klemmlinienabstandes an streckwerkswalzenkombinationen
DE2941612A1 (de) * 1979-10-13 1981-04-23 Zinser Textilmaschinen Gmbh, 7333 Ebersbach Strecke
DE3301239A1 (de) * 1983-01-15 1984-07-19 Zinser Textilmaschinen Gmbh, 7333 Ebersbach Streckwerk zum verziehen von faserbaendern
DE3336038A1 (de) * 1983-10-04 1985-04-11 Stahlecker, Fritz, 7347 Bad Überkingen Verfahren zum einstellen des abstandes von unterwalzenzylindern von streckwerken einer spinnmaschine und spinnmaschine
DE3562282D1 (en) * 1984-03-30 1988-05-26 Rieter Ag Maschf Drawing frame for spinning machines
DE3532555A1 (de) * 1985-09-12 1987-03-12 Zinser Textilmaschinen Gmbh Stanze fuer streckwerke von spinnmaschinen
US5022123A (en) * 1988-09-29 1991-06-11 Murata Kikai Kabushiki Kaisha Draft mechanism having roller pairs connected to draft ratio controlled motors by timing belts
DE4205854A1 (de) * 1992-02-26 1993-09-02 Stahlecker Fritz Textilmaschine mit einer vielzahl von in reihe nebeneinander angeordneten streckwerken
DE59402499D1 (de) * 1993-08-25 1997-05-28 Rieter Ag Maschf Streckwerk in einer Textilmaschine

Also Published As

Publication number Publication date
ES2171579T3 (es) 2002-09-16
US5809762A (en) 1998-09-22
JP3710886B2 (ja) 2005-10-26
DE19529831A1 (de) 1997-02-13
DE19529831B4 (de) 2006-07-06
JPH09157965A (ja) 1997-06-17
EP0761852A1 (de) 1997-03-12
DE59608869D1 (de) 2002-04-18

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