EP0087516B1 - Dispositif défibreur pour une unité de filature à fibres libérées - Google Patents

Dispositif défibreur pour une unité de filature à fibres libérées Download PDF

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Publication number
EP0087516B1
EP0087516B1 EP82111785A EP82111785A EP0087516B1 EP 0087516 B1 EP0087516 B1 EP 0087516B1 EP 82111785 A EP82111785 A EP 82111785A EP 82111785 A EP82111785 A EP 82111785A EP 0087516 B1 EP0087516 B1 EP 0087516B1
Authority
EP
European Patent Office
Prior art keywords
insert
housing
interior
guide
guide element
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
Application number
EP82111785A
Other languages
German (de)
English (en)
Other versions
EP0087516A2 (fr
EP0087516A3 (en
Inventor
Eberhard Hofmann
Gottfried Schneider
Johann Pohn
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
Schubert und Salzer Maschinenfabrik 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 Schubert und Salzer Maschinenfabrik AG filed Critical Schubert und Salzer Maschinenfabrik AG
Publication of EP0087516A2 publication Critical patent/EP0087516A2/fr
Publication of EP0087516A3 publication Critical patent/EP0087516A3/de
Application granted granted Critical
Publication of EP0087516B1 publication Critical patent/EP0087516B1/fr
Expired 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
    • 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
    • D01H4/30—Arrangements for separating slivers into fibres; Orienting or straightening fibres, e.g. using guide-rolls
    • D01H4/32—Arrangements for separating slivers into fibres; Orienting or straightening fibres, e.g. using guide-rolls using opening rollers

Definitions

  • the present invention relates to a disintegration device for an open-end spinning device with a housing, in the interior of which an opening roller and an insert receiving the opening roller are arranged, which has openings which are enclosed on all sides and which correspond to housing openings connecting the interior with other parts of the spinning device.
  • the object of the present invention is therefore to create an insert for a dissolving device which does not have the disadvantages shown, but which is economical to manufacture, space-saving and can be replaced quickly.
  • the insert is pot-shaped with a recess in the bottom, which opens a bearing bore in which the opening roller is mounted, with the insert being assigned a fixing device securing its position relative to the housing. Since the insert is pot-shaped, it has no edges, with the exception of the technologically-related opening, on which fibers could temporarily adhere. The risk of malfunctions caused thereby is thus eliminated.
  • the fixing device is provided, which secures the relative position between the insert and the housing. In addition to the rotating fiber-air flow, fibers in the area of the perforations which act on their edges act in a tangential direction on the insert and can cause the insert to twist, which is prevented by the described design of the device.
  • the fixing device can be designed differently and, under certain circumstances, can be designed as a tight fit between housing and insert.
  • a better fixation of the insert in the circumferential direction can be achieved by a non-circular design of the housing interior.
  • a preferred and particularly economical to produce rotary fixation is achieved according to the invention in that the interior of the housing is circular, but that the bearing bore is surrounded by an annular shoulder, the outer contour of which has the same diameter as the recess in the bottom of the insert and to the same extent as this is arranged eccentrically to the interior.
  • the insert can be removed from the housing by hooking a tool into the openings in the insert.
  • a tool can be removed from the housing by hooking a tool into the openings in the insert.
  • the insert fits perfectly into the contours of the interior, it has only a very low thickness. There is therefore a risk of the tool slipping.
  • at least two bores are uniformly provided in the end wall of the housing. These bores make it possible to act on the insert in order to eject the side facing away from the open side of the housing, wherein the uniform distribution of the two or more bores in the housing end wall prevents the insert from tilting during ejection.
  • These bores can also be used to secure the insert against rotation, in that, according to a further feature of the invention, at least two guide pins are provided on the outside of the bottom of the insert according to the number of bores in the end wall of the insert Intervene in the front wall of the housing.
  • These guide pins can also serve for the axial fixation of the insert, in that the insert pins, when inserted, extend to the housing side and at least be outside of the housing sensitive area have threads to hold lock nuts.
  • At least one positioning recess is provided on the circumference of the recess provided for the axis of the opening roller in the bottom of the insert. This positioning recess serves to hold the tool so that the insert is correctly positioned by appropriately orienting this tool.
  • a positioning cutout also enables the insert to be oriented precisely at an angle using a marking provided on the end face of the housing interior.
  • Inserting the insert with the aid of a tool with good guidance can be carried out in a particularly safe manner if the depth of the bearing bore is greater than the depth of the interior of the housing.
  • an additional improvement can be achieved in that the interior of the housing is surrounded on its open face by a centering shoulder.
  • the insert is preferably seated with relatively small tolerances in the interior of the housing, so that it is reliably avoided that the distances between the tips of the opening roller assembly and the inner wall of the insert change due to pendulum movements and thus can create uncontrollable conditions in the area of the opening roller.
  • Inserting the insert into the housing can be significantly improved and facilitated here by a guide element which can be inserted into the insert and which has a contour corresponding to the interior of the housing and, according to the number of positioning recesses provided in the insert, one or more positioning projections on its end facing the floor .
  • the guide element By engaging one or more positioning lugs in the positioning recess or recesses of the insert, the guide element holds and secures the insert in an angular position even during insertion into the interior of the housing.
  • the guide element which can be inserted into the insert, in alignment with the recess provided in the insert preferably has a bore which is adapted in diameter to this recess for receiving an insert pulling device or an insert ejecting device.
  • Such devices significantly simplify the insertion of the insert into the housing or the ejection of the insert from the housing.
  • the insert ejection device has an insert ejection element which is guided in the bearing bore of the housing and has bolts which can be brought through the bores provided in the end face of the housing to act on the insert.
  • the insert ejection device has a supporting device which is supported outside the interior on the open side of the housing and surrounds a space which is sufficient to completely accommodate the guide element.
  • the insert ejection device also has a cylindrical section guiding the guide element and a section with a reduced diameter compared to this section with an external thread for receiving the insert ejection element having a smooth bore and an adjusting nut which can be brought into action on the side of the insert ejection element facing away from the housing.
  • the insert ejection device is fixed in the axial direction with respect to the housing by the support device, so that the insert ejection element with its bolts is brought into contact with the bottom of the insert by pressing the steep nut and is pressed out of the interior of the housing.
  • the insert pulling device essentially consists of a bolt with three different sections graded in diameter.
  • the first section is larger than the bore of the guide element and serves to support the insert pulling device on the guide element.
  • the second section corresponds to the diameter of the bore in the guide element and extends at the start of inserting the insert into the housing bore.
  • the third section which has the smallest diameter, has an external thread for receiving a support washer, which is supported on the outside of the housing, and an adjusting nut, this section extending to the outside of the housing when the insert is inserted and fully in insert inserted into the interior of the housing extends into the bearing bore of the housing.
  • the middle section serves to guide the insert pulling device, while the adjusting nut pulls the guide element with the insert into the interior of the housing when tightening with the aid of the support disk.
  • the insert is deformed by the guide element so that it takes on the exact shape of the interior of the housing.
  • the insert with the side edge of its openings will get stuck on the front edge of the housing interior due to the stresses generated in the insert and thus lead to damage to the insert.
  • the interior of the housing will be damaged, since it is usually made of a zinc or aluminum alloy, which is known to be relatively soft compared to other metals.
  • a guide ring of great hardness which can be placed on the centering shoulder, is preferably provided, the width of which essentially corresponds to the depth of the insert and the inner contour of which on its side facing the housing corresponds to the contour of the interior of the housing, while it is on the Side facing away from housing slightly expanded.
  • the extension preferably transitions without edges into the constant cross section facing the interior of the housing.
  • the guide element and / or the guide ring In order to enable correct angular orientation of the guide element and / or the guide ring in a simple manner, it is advantageous if these elements have a positioning aid on their side facing away from the bottom of the insert or at least one of these elements has such a positioning aid at the location mentioned. Corresponding markings on these elements and on the housing are sufficient, for example.
  • the positioning aid is designed as cooperating guide surfaces on the guide element and / or on the guide ring and on the housing outside of its interior.
  • the guide surfaces are designed as a bolt and a bore guiding the bolt, the bolt preferably being arranged on the housing and serving to guide both the guide element and the guide ring.
  • the use according to the invention is simple and inexpensive to manufacture.
  • Appropriate treatment e.g. heat treatment, coating
  • the insert - although thin-walled - is essentially fixed in its shape, it is not necessary to combine the fixing device with a tensioning device - which adapts the insert to the interior. This also facilitates the exchange of the insert, so that this exchange is carried out without difficulty and can be carried out anywhere within a very short time.
  • the insert can also be replaced in a time-saving manner by inexperienced forces, while the advantages known from the previously known inserts are also achieved will.
  • FIG. 1 shows a housing 1 of a dissolving device, in the interior 10 of which during the operation a dissolving roller is shown, which is shown only by indicating its clothing tips 20.
  • the sliver to be spun is fed to this opening roller in a known manner with the aid of a delivery device 12, for which purpose a housing opening 13 connecting the interior 10 with the delivery device 12 is provided in the wall 11 surrounding the opening roller.
  • a further housing opening 14 is provided after the housing opening 13 in the fiber transport direction, which serves to separate dirt contained in the fiber material.
  • a third housing opening 15 is provided after this housing opening 14, to which a fiber feed channel 16 leading to the open-end spinning element (not shown) is connected.
  • the interior 10 has a circular shape.
  • the mentioned extended distance is achieved in that the axis 2 of the opening roller does not coincide with the center 17 of the interior 10, but is at a greater distance from the area in front of the housing opening 15.
  • the housing 1 which is usually a cast part made of a non-ferrous metal, preferably made of aluminum or zinc or an alloy with these metals as the main component, preferably by injection molding or die-casting, thus consists of a relatively soft material.
  • a cast part made of a non-ferrous metal preferably made of aluminum or zinc or an alloy with these metals as the main component, preferably by injection molding or die-casting, thus consists of a relatively soft material.
  • voids are released which represent a point of failure in the fiber transport path and lead to disruptions in the yarn formation.
  • an insert 3 is therefore provided in the interior 10 of the housing 1.
  • This insert 3 consists of thin sheet metal and has a pot shape, which is produced by deep drawing, pressing or another plastic molding process.
  • 3 openings 30, 31 and 32 are enclosed on all sides in this insert intended. These openings 30, 31 and 32 in insert 3 are produced by punching from the inside out.
  • the insert 3 which has a peripheral wall 33 and a base 34 (see also FIGS. 3 and 4), has a recess 35 in its base 34, through which the drive shaft of the opening roller is passed in the operating state.
  • This recess 35 can be of different sizes; the minimum size corresponds to the diameter of the drive shaft of the opening roller.
  • the recess can also be significantly larger. Only such a large radial floor area should be provided that the insert 3 is given good rigidity and can be easily installed in or removed from the housing 1.
  • the axis of the opening roller and thus also its drive shaft is arranged eccentrically to the interior 10 of the housing 1.
  • the bearing bore 18 is surrounded by a concentric annular shoulder 180, which is thereby also arranged eccentrically to the interior 10.
  • This annular shoulder is only so low that it does not protrude from the bottom 34 in the direction of the opening roller when the insert 3 is inserted.
  • the recess 35 in the bottom 34 of the insert 3 which diameter is adapted to the diameter of this annular shoulder 180, is also provided.
  • the insert 3 is made with relatively small tolerances to the interior 10 of the housing 1, there is no risk when the opening roller is mounted that the insert 3 is rotated relative to the interior 10 of the housing 1 due to the tangential forces which are effective during the opening work, so that the eccentric arrangement of the annular shoulder 180 fixation of the insert 3 in the housing 1 is achieved.
  • two diametrically opposite positioning recesses 4 and 40 are provided on the circumference of the recess 35. These positioning recesses 4 and 40 have the task of ensuring that the insert 3 is inserted at an angle into the housing 1 and the position of the insert 3 is checked with respect to the housing 1 during the insertion.
  • the housing 1 is provided with a marking in the area of the positioning recesses 4 and 40, as is shown in FIG. 1 in the area of the positioning recess 4.
  • the sliver fed to the opening roller via the delivery device 12 is dissolved in a manner known per se. Due to the peripheral surface of the insert 3, which apart from the technologically required openings 30, 31 and 32 has no interruptions, thread accumulations and thus defects in the thread and thread breaks are avoided.
  • the opening of the opening roller which is eccentric to the interior 10 and the insert 3, fixes the insert 3 in its current rotational position without having to provide overly tight fits between the insert 3 and the housing 1.
  • This eccentric mounting of the opening roller is thus not only to be regarded as a passage opening for the drive shaft in a recess 35 whose diameter corresponds to that of the drive shaft of the opening roller, but also forms a fixing device with the annular shoulder 180 with regard to the rotational position of the insert 3.
  • the opening roller can also be arranged concentrically to the interior 10 and the insert can be fixed in terms of rotation in that only the outer contour of the annular shoulder 180 is arranged eccentrically to the interior 10.
  • FIG. 2 shows a design of the opening device similar to FIG. 1.
  • the insert 3 is fixed in its current rotational position by a non-circular design of the interior 10, the cross-sectional shape of the insert 3 being adapted. A change in the rotational position of the insert 3 is therefore not possible here either.
  • FIG. 2 shows that a single positioning recess 4 is also sufficient for inserting the insert 3 at the correct angle.
  • FIG. 3 shows a further embodiment of the opening device with another possibility for rotationally fixing the insert 3.
  • the part of the housing 1, which contains the bearing bore 18 for receiving the drive shaft of the opening roller is extended to the rear.
  • At least two bores 41 and 42 are uniformly distributed around the interior 10 of the housing 1 in its end wall 19.
  • two guide pins 43 and 44 which have such a length, are arranged in the insert 3 around the recess 35 (see FIGS. 1 and 2) have that, when properly inserted into the housing, they engage in the bores 41 and 42 in the end wall 19 of the housing 1.
  • the insert 3 used can be reliably prevented from rotating relative to the housing 1, even if the interior 10 of the housing 1 is round and the insert 3 is arranged concentrically with this interior 10, ie if the widened distance between the opening roller and the wall 11 is dispensed with becomes. It is not necessary for this that the bottom 34 of the insert 3 reaches the drive shaft of the resolver sewing roller reaches, but it is sufficient if it reaches so far behind the opening roller that it gives the insert 3 the desired rigidity and can accommodate the guide pins 43 and 44.
  • the guide pins 43 and 44 can have a length such that they extend through the bores 41 and 42 to the outside of the housing 1 and at least on the located outside the housing 1 have a thread 45 or 46, on each of which a (not shown) lock nut can be screwed.
  • Fig. 3 shows a guide element 5, which significantly facilitates the insertion of the insert 3 into the interior 10 of the housing 1.
  • This guide element 5 has a contour corresponding to the interior 10 of the housing 1 and, according to the number of positioning recesses 4 or 40 on the bottom 34 of the insert 3, one or more positioning projections 50 which engage in the positioning recess (s) 4 (or intervene).
  • the insertion of the guide element 5 into the insert 3 is thus without any difficulties, although the guide element 5 brings the insert 3, which has deformed somewhat when the openings 30, 31 and 32 are punched, to the desired shape. So that the insert 3 can adapt to the shape of the guide element 5, the insert 3 is therefore given a great deal of play transverse to the stretching direction for this shape adaptation.
  • the guide element 5 can also be pulled out of the insert 3 without difficulty, which is retained in the housing 1 due to the closer fit.
  • the guide element 5 according to FIGS. 3 and 4 in alignment with the recess 35 provided in the insert 3 has one of the same - and thus also the bearing bore 18 of the housing 1 - adapted bore 51 for optionally receiving an insert pulling device 6 or an insert ejecting device 7.
  • the deployment traction device 6 is shown in FIG. 3. It consists essentially of a bolt which is inserted into the bore 51 of the guide element 5.
  • This bolt has three stepped sections 60, 61 and 62.
  • the first section 60 the largest in diameter, serves to support the insert pulling device 6 on the side of the guide element 5 facing away from the end wall 19.
  • the second section 61 has a diameter equal to the inside diameter of the bore 51 matched and has such a length that it protrudes into the interior 10 of the housing 1 as soon as the insert 3 is inserted into its bearing bore 18.
  • the third section 62 is the smallest section in diameter.
  • This third section 62 is of such a length that it already extends through the bearing bore 18 until the insert 3 and thus also the guide element 5 and the insert pulling device 6 are at the beginning of the insertion into the interior 10 of the housing 1 extends to the outside of the housing 1 and its bearing bore 18.
  • the section 62 has an external thread 63, onto which an adjusting nut 65 can be screwed with the interposition of a support disk 64.
  • the guide element 5 with the insert 3 pushed onto it is brought to the open side of the housing 1, the section 62 and the end of the section 61 facing this section 62 projecting into the bearing bore 18.
  • the support washer 64 is pushed onto the external thread 63 of the free end of the section 62, which extends to the outside of the bearing bore 18, and the adjusting nut 65 is screwed on.
  • the adjusting nut 65 is tightened, the previously angularly oriented guide element 5 with the insert 3 is drawn further and further into the interior 10 of the housing 1, the section 61 ensuring good guidance of the insert pulling device 6 in the bearing bore 18.
  • the external thread 63 has such a length that it still extends into the bearing bore 18 even when the insert 3 is fully inserted into the housing 1, since it is only in this way that this insertion movement can be carried out to the end with the aid of the adjusting nut 65.
  • the depth a of the bearing bore 18 is chosen to be greater than the depth b of the interior 10 of the housing 1 (see FIG. 4).
  • Correct orientation of the insert 3 in the housing 1 can be ensured by means of a positioning mark (not shown) on the underside of the insert 3 (for example colored markings or the guide pins 43 and 44) and through the bores 41 and 42.
  • a positioning mark (not shown) on the underside of the insert 3 (for example colored markings or the guide pins 43 and 44) and through the bores 41 and 42.
  • a positioning aid 8 is provided on the guide element 5 on its side facing away from the bottom 34 of the insert 3, as shown in FIG.
  • This positioning aid 8 be stands in the simplest case from a notch or the like, which is brought into a certain relative position to a prominent location of the housing 1.
  • This positioning aid 8 is provided on the guide element 5 such that the insert 3 assumes the desired angular position with respect to the interior 10 when the guide element 5 is aligned with the housing 1. So that the positioning aid 8 causes a forced adjustment of the angular position of the insert 3, whose angular position relative to the guide element 5 is ensured by the positioning recess 4 and the guide projection 50, relative to the interior 10, the positioning aid 8 according to FIG.
  • FIG. 3 is a cooperating guide surface 80 and 81 am Guide element 5 and formed on the housing 1 outside of its interior 10.
  • these guide surfaces 80 and 81 are formed by a bore in a cantilever arm 52 attached to the guide element 5 and by a bolt 82 which is fastened to the housing 1 at a suitable point.
  • the outer contours of the insert 3 may occur in the vicinity of its base 34 and in the vicinity of its open edge deviate somewhat from one another and thus also from the cross-sectional shape of the interior 10 of the housing 1.
  • this can result in the risk that the insert 3, in particular with the side edges of its openings 30, 31 and 32, gets stuck on the outer edge of the interior 10 of the housing 1.
  • the interior 10 is surrounded on the open end face of the housing 1 by a centering shoulder 90, into which the Insert 3 in the interior 10 of the housing 1, a guide ring 9 of great hardness can be used.
  • the guide ring 9 has a width c which essentially corresponds to the depth of the insert 3 and thus also the depth b of the interior 10 of the housing 1.
  • the guide ring 9 has on its side facing the housing 1 a cross-sectional shape which corresponds to the cross-sectional shape of the interior 10 of the housing 1, while it widens slightly on its side facing away from the housing 1.
  • a positioning aid 92 is also provided for the guide ring 9 according to FIG. Like the positioning aid 8 for the guide element 5, this can be designed differently.
  • cooperating guide surfaces are also provided here, which in the embodiment shown is designed as a bore 93, which is provided in an extension arm 94 fastened to the guide ring 9, and through the bolt 82. Because the bolt 82 is arranged on the housing 1, the latter can assume the task of guiding and orienting both the guide element 5 and the guide ring 9.
  • the adjusting nut 65 can be formed in one piece with the support disk 64 and also have a cylindrical extension projecting into the bearing bore 18, which secures this integrated part radially in the bearing bore.
  • a threaded bore is provided in this integrated part, into which another element can be screwed, which essentially consists of a combination of the sections 60 and 61 shown in FIG. 3.
  • inserting the insert 3 into the interior 10 of the housing is possible in a simple manner.
  • Other designs are possible, for example by an adjusting nut acting directly on the guide element, while the part of the insert pulling device 6 which is immobile during the adjustment is supported on the bearing bore 18 of the housing 1 and has an external thread on its end facing the guide element 5.
  • the positioning aid 8 can also be designed differently. Even if bolts and bores are used for this purpose, other designs than shown are possible. Independent positioning aids 8 can be provided for the guide element 5 and the guide ring 9.
  • a bolt 82 arranged on the housing 1 and with guide surfaces 80 and 93 designed as bores on the guide element 5 and on the guide ring 9 is particularly space-saving.
  • Such a bolt can, however, also be provided on the extension arm 52 of the guide element 5, the cooperating guide surfaces of the guide ring 9 and the housing 1 then being designed as bores.
  • this insert ejection device 7 consists of an insert ejection element 70 which has a cylindrical guide section 71, a holding yoke 72 and, corresponding to the number of bores 41, 42 in the end wall 19 of the housing 1, two or has several bolts 73, 74.
  • the guide section 71 of the insert ejection element 70 is inserted into the bearing bore 18 of the housing 1, while at the same time the bolts 73 and 74 are inserted into the bores 41 and 42 in the end wall 19 of the housing 1 until they reach the system on insert 3.
  • the insert 3 is pressed out of the interior 10 of the housing 1.
  • the insert 3 is fastened to the housing 1 by means of guide pins 43 and 44 provided with threads 45 and 46, the procedure is similar.
  • the nuts must first be unscrewed from the guide pins 43 and 44, whereupon the bolts 73 and 74 are brought to act on the guide pins 43 and 44.
  • these can have correspondingly cooperating shapes, for. B. in the form of a cone and a corresponding hollow cone.
  • a force is exerted on the insert ejection element 70 via a screwing device.
  • This screwing device is part of a support device 75, which is supported on the open side of the housing 1 outside of its interior 10, from which a cylindrical section 76 extends into the bore 51 of the guide element 5, in order to push this out when the insert 3 is pushed out to lead the housing 1.
  • the cylindrical section 76 is continued in a further section 77, which is reduced in diameter compared to the section 76 and has an external thread 78.
  • the insert ejection element 70 has a smooth bore 79 with a diameter such that it can be pushed freely into the bearing bore 18 of the housing 1, while the section 78 extends to the side of the insert ejection element 70 facing away from the housing 1.
  • the support disk 64 is placed on this free end and the adjusting nut 65 is screwed on, so that the bolts 73 and 74 can act on the insert 3 through the bores 41 and 42 by tightening the adjusting nut 65.
  • the support device 75 encloses a space 750 which has a depth such that it also guides the guide element 5 pushed out of the interior 10 can fully use the insert 3. If a cantilever arm 52 is provided as a positioning aid 8 for receiving the mentioned bolt 82, the support device 75 has an axial slot 751, in which this cantilever arm 52 is guided during the axial movement of the guide element 5.
  • the insert ejection device 7 can also be designed differently in that the insert ejection element 70 forms an integrated part of the section 76, on which the support device 75 is displaceably guided.
  • the end of the insert ejection element 70 facing the support device 75 has an external thread for receiving an adjusting nut which acts on the outside of the support device.
  • the insert ejection element acts with its bolts 73 and 74 on the insert 3 and presses it into the space 750 of the support device 75 when the adjusting nut is tightened.
  • the insert 3 as described above, is simple and inexpensive to manufacture. Appropriate treatment (e.g. heat treatment, coating) enables the layers that come into contact with the fibers to be highly wear-resistant and thus have a relatively long service life. Because the insert 3 - although thin-walled - is essentially fixed in its shape, it is not necessary to combine the fixing device with a tensioning device - which adapts the insert 3 to the interior 10. This also makes it easier to replace the insert 3, so that it can be carried out without difficulty and can be carried out anywhere in the shortest possible time.
  • Appropriate treatment e.g. heat treatment, coating

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Paper (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Claims (19)

1. Dispositif défibreur équipant un appareil de filature à fibres libérées, comportant un boîtier dans l'espace interne duquel se trouvent un cylindre défibreur ainsi qu'une pièce insérée logeant ledit cylindre défibreur et présentant des échancrures entourées de toutes parts, qui correspondent à des orifices du boîtier faisant communiquer l'espace interne avec d'autres parties de l'appareil de filature, dispositif caractérisé par le fait que la pièce insérée (3) a la forme d'une cuvette dont le fond (34) est percé d'un évidement (35) qui dégage un alésage (18) de portée dans lequel le cylindre défibreur est monté, ladite pièce insérée (3) étant munie d'un dispositif de blocage qui assure sa position par rapport au boîtier.
2. Dispositif défibreur selon la revendication 1, caractérisé par le fait que l'espace interne (10) est circulaire et l'alésage (18) de portée est entouré par un épaulement annulaire (180) dont la configuration externe présente le même diamètre que l'évidement (35) au fond (34) de la pièce insérée (3) et qui est disposé, par rapport audit espace interne (10), avec le même degré d'excentricité que ledit alésage.
3. Dispositif défibreur selon la revendication 1 ou 2, caractérisé par le fait qu'il comporte au moins deux trous (41, 42) uniformément répartis autour de l'alésage (18) de portée et percés dans la paroi extrême (19) du boîtier (1).
4. Dispositif défibreur selon la revendication 3, caractérisé par le fait qu'il comporte au moins deux tétons (43, 44) de guidage qui, placés à la face externe du fond (34) de la pièce insérée (3), s'engagent dans les trous (41, 42) de la paroi extrême (19) du boîtier (1) lorsque ladite pièce insérée (3) est introduite dans ce boîtier (1).
5. Dispositif selon la revendication 4, caractérisé par le fait que, lorsque la pièce insérée (3) est introduite, les tétons (43, 44) de guidage s'étendent jusqu'à la face externe du boîtier et présentent, au moins dans leur région située à l'extérieur de ce boîtier (1), des filetages (45, 46) destinés à recevoir des écrous de blocage.
6. Dispositif défibreur selon une ou plusieurs des revendications 1 à 5, caractérisé par le fait qu'il est prévu au moins une lumière (4, 40) de positionnement à la périphérie de l'évidement (35).
7. Dispositif défibreur selon une ou plusieurs des revendications 1 à 6, caractérisé par le fait que la profondeur (a) de l'alésage (18) de portée est plus grande que la profondeur (b) de l'espace interne (10) du boîtier (1).
8. Dispositif défibreur selon une ou plusieurs des revendications 1 à 7, caractérisé par le fait que l'espace interne (10) du boîtier (1) est entouré, sur la face extrême ouverte de ce dernier, par un épaulement (90) de centrage.
9. Dispositif pour insérer la pièce en forme de cuvette dans l'espace interne d'un dispositif défibreur selon la revendication 6 ou pour démonter cette pièce de cet espace interne, caractérisé par le fait qu'il comporte un élément (5) de guidage, qui peut être introduit dans la pièce insérée (3) et présente un profil correspondant à l'espace interne (10) du boîtier (1) ainsi que, sur sa face extrême tournée vers le fond (34), une ou plusieurs saillies (50) de positionnement dont le nombre correspond à celui des lumières (4, 40) de positionnement prévues dans la pièce insérée (3).
10. Dispositif selon la revendication 9, caractérisé par le fait que, dans l'alignement de l'évidement (35) ménagé dans la pièce insérée (3), l'élément (5) de guidage possède un alésage (51) dont le diamètre est adapté à celui dudit évidement en vue de recevoir un dispositif (6) exerçant une traction sur la pièce insérée ou un dispositif (7) d'éjection de cette pièce insérée.
11.Dispositif selon la revendication 10, caractérisé par le fait que le dispositif (7) d'éjection de la pièce insérée est pourvu d'un élément (70) d'éjection de cette pièce insérée qui est guidé dans l'alésage (18) de portée du boîtier (1) et présente des goujons (73, 74) qui peuvent traverser de part en part les trous (41, 42) de la face extrême (19) dudit boîtier (1), pour exercer une action sur la pièce insérée (3).
12. Dispositif selon la revendication 11, caractérisé par le fait que le dispositif (7) d'éjection de la pièce insérée comprend un dispositif (75) de support en appui contre la face ouverte du boîtier (1) à l'extérieur de l'espace interne (10) et entourant une chambre (750) suffisamment grande pour recevoir l'élément (5) de guidage; un tronçon cylindrique (76) guidant ledit élément (5) de guidage; ainsi qu'un tronçon (77) plus petit que ledittronçon (76) et doté d'un filetage externe (78) pour recevoir l'élément (70) d'éjection de la pièce insérée percé d'un alésage lisse (79), ainsi qu'un écrou (65) de réglage pouvant exercer son action sur ledit élément (70) d'éjection de la pièce insérée, du côté éloigné du boîtier (1).
13. Dispositif selon la revendication 7 ou l'une ou plusieurs des revendications 9 à 11, caractérisé par le fait que le dispositif (6) exeçant une traction sur la pièce insérée consiste pour l'essentiel en.un goujon comprenant trois tronçons (60, 61, 62) de diamètres étagés, parmi lesquels le premier tronçon (60) est plus grand que l'alésage (51) de l'élément (5) de guidage et sert de moyen d'appui contre cet élément (5) de guidage, le deuxième tronçon (61) correspond au diamètre dudit alésage (51) de l'élément (5) de guidage et s'étend au début de l'introduction de la pièce insérée (3) dans le boîtier (1), jusque dans l'alésage (18) de portée de ce dernier, et le troisième tronçon (62), dont le diamètre est le plus petit, présente un filetage externe (63) destiné à recevoir une rondelle (64) d'appui portant contre la face externe dudit boîtier, ainsi qu'un écrou (65) de réglage, ce tronçon (62) s'étendant jusqu'à l'extérieur du boîtier (1) au début de l'introduction de la pièce insérée (3), et se prolongeant encore jusque dans l'alésage (18) de portée lorsque ladite pièce insérée (3) a été entièrement introduite dans l'espace interne (10) dudit boîtier (1).
14. Dispositif selon une ou plusieurs des revendications 8 à 13, caractérisé par le fait qu'il comporte une bague (9) de guidage de grande dureté, qui peut être placée sur l'épaulement (90) de centrage dont la largeur (c) correspond sensiblement à la profondeur de la pièce insérée (3) et dont le profil interne correspond à la forme de l'espace interne (10) du boîtier (1) de son côté tourné vers ce boîtier, tandis que ladite bague s'élargit légèrement de son côté éloigné dudit boîtier (1).
15. Dispositif selon la revendication 14, caractérisé par le fait que la zone élargie (91) dans la bague (9) de guidage se prolonge, sans aucun échelonnement, par la section constante tournée vers l'espace interne (10) du boîtier (1).
16. Dispositif défibreur selon une ou plusieurs des revendications 9 à 15, caractérisé par le fait que l'élément (5) de guidage et/ou la bague (9) de guidage présente(nt) à son/leur côté éloigné du fond (34) de la pièce insérée (3), un organe (8) auxiliaire de positionnement.
17. Dispositif selon la revendication 16, caractérisé par le fait que l'organe (8) auxiliaire de positionnement est réalisé sous la forme de surfaces (80, 81) de guidage associées situées sur l'élément (5) de guidage et/ou la bague (9) de guidage, ainsi que sur le boîtier (1) à l'extérieur de l'espace interne (10) de celui-ci.
18. Dispositif selon la revendication 17, caractérisé par le fait que les surfaces (80, 81) de guidage sont réalisées sous la forme d'un tenon (82), ainsi que d'un perçage qui guide ledit tenon (82).
19. Dispositif selon la revendication 18, caractérisé par le fait que le tenon (82) est situé sur le boîtier (1) et sert à guider aussi bien l'élément (5) de guidage que la bague (99) de guidage.
EP82111785A 1982-03-03 1982-12-18 Dispositif défibreur pour une unité de filature à fibres libérées Expired EP0087516B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19823207575 DE3207575A1 (de) 1982-03-03 1982-03-03 "aufloeseeinrichtung fuer eine offenend-spinnvorichtung"
DE3207575 1982-03-03

Publications (3)

Publication Number Publication Date
EP0087516A2 EP0087516A2 (fr) 1983-09-07
EP0087516A3 EP0087516A3 (en) 1984-09-26
EP0087516B1 true EP0087516B1 (fr) 1988-01-07

Family

ID=6157161

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82111785A Expired EP0087516B1 (fr) 1982-03-03 1982-12-18 Dispositif défibreur pour une unité de filature à fibres libérées

Country Status (9)

Country Link
US (1) US4461141A (fr)
EP (1) EP0087516B1 (fr)
BR (1) BR8300989A (fr)
DE (1) DE3207575A1 (fr)
GB (1) GB2115846B (fr)
HK (1) HK7787A (fr)
IN (1) IN159262B (fr)
MY (1) MY8700332A (fr)
SG (1) SG87186G (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10224589A1 (de) * 2001-06-23 2003-01-09 Rieter Ingolstadt Spinnerei Auflösewalzengehäuse

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH678068A5 (fr) * 1989-04-10 1991-07-31 Peyer Ag Siegfried
DE8909448U1 (fr) * 1989-08-08 1989-10-19 Schubert & Salzer Maschinenfabrik Ag, 8070 Ingolstadt, De
DE4121183A1 (de) * 1991-06-27 1993-01-14 Schubert & Salzer Maschinen Aufloeseeinrichtung fuer eine offenend-spinnvorrichtung
DE4234587A1 (de) * 1992-10-14 1994-04-21 Schlafhorst & Co W Auflöseeinrichtung einer Offen-End-Spinnvorrichtung
DE4416977C2 (de) * 1994-05-13 1996-12-19 Rieter Ingolstadt Spinnerei Offenend-Spinnvorrichtung
US6067786A (en) * 1997-11-17 2000-05-30 Wilhelm Stahlecker, Gmbh Opening device for an open-end spinning aggregate and method of making same
DE102018007069A1 (de) * 2018-09-07 2020-03-12 Saurer Spinning Solutions Gmbh & Co. Kg Auflösewalzengehäuse für eine Auflösevorrichtung einer Offenend-Rotorspinnvorrichtung
DE102021117812A1 (de) 2021-07-09 2023-01-12 Maschinenfabrik Rieter Ag Auflösewalzengehäuse für eine Auflösewalze einer Offenend-Spinnvorrichtung sowie Offenend-Spinnvorrichtung mit einem Auflösewalzengehäuse

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Publication number Priority date Publication date Assignee Title
DE1560307C3 (de) * 1967-03-09 1979-03-08 Schubert & Salzer Maschinenfabrik Ag, 8070 Ingolstadt Oifen-End-Spinnvorrichtung
US3800520A (en) * 1973-06-04 1974-04-02 Rieter Ag Maschf Fiber opening roll of an open end spinning device
GB1434629A (en) * 1973-09-21 1976-05-05 Noguera J M Yarn spinning apparatus
DE2423241C3 (de) * 1974-05-14 1984-01-26 Stahlecker, Fritz, 7347 Bad Überkingen Auflöseeinrichtung für ein Offen- end-Spinnaggregat
DE2427333A1 (de) * 1974-06-06 1975-12-18 Krupp Gmbh Vorrichtung zum aufloesen von fasern an offen-end-spinneinheiten
US4024699A (en) * 1974-10-11 1977-05-24 Schubert & Salzer Maschinenfabrik Aktiengesellschaft Sliver resolving apparatus for open-end spinning machines
DE2448585C3 (de) * 1974-10-11 1986-05-07 Schubert & Salzer Maschinenfabrik Ag, 8070 Ingolstadt Auflöseeinrichtung für eine Offen- End-Spinnvorrichtung
DE2819060A1 (de) * 1978-04-29 1979-10-31 Schubert & Salzer Maschinen Aufloeseeinrichtung fuer eine offenend- spinnvorrichtung
US4387558A (en) * 1978-04-29 1983-06-14 Siegfried Rehm Method for lining a housing of a fiber opening device and roller
DE2911158A1 (de) * 1979-03-05 1981-01-29 Schubert & Salzer Maschinen Verfahren und vorrichtung zum auskleiden eines eine aufloesewalze aufnehmenden gehaeuses einer aufloeseeinrichtung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10224589A1 (de) * 2001-06-23 2003-01-09 Rieter Ingolstadt Spinnerei Auflösewalzengehäuse

Also Published As

Publication number Publication date
DE3207575C2 (fr) 1987-03-05
HK7787A (en) 1987-01-28
GB8305427D0 (en) 1983-03-30
SG87186G (en) 1987-03-27
US4461141A (en) 1984-07-24
EP0087516A2 (fr) 1983-09-07
GB2115846B (en) 1985-10-30
GB2115846A (en) 1983-09-14
IN159262B (fr) 1987-04-25
EP0087516A3 (en) 1984-09-26
MY8700332A (en) 1987-12-31
DE3207575A1 (de) 1983-09-22
BR8300989A (pt) 1983-11-16

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