EP1470270B1 - Ergonomische spinnanlage - Google Patents

Ergonomische spinnanlage Download PDF

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Publication number
EP1470270B1
EP1470270B1 EP02806642A EP02806642A EP1470270B1 EP 1470270 B1 EP1470270 B1 EP 1470270B1 EP 02806642 A EP02806642 A EP 02806642A EP 02806642 A EP02806642 A EP 02806642A EP 1470270 B1 EP1470270 B1 EP 1470270B1
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EP
European Patent Office
Prior art keywords
control area
area
spinning
operator
extrusion
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
EP02806642A
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German (de)
English (en)
French (fr)
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EP1470270A1 (de
Inventor
Stefan Zikeli
Friedrich Ecker
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.)
LL Plant Engineering AG
Original Assignee
ZiAG Plant Engineering GmbH
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Application filed by ZiAG Plant Engineering GmbH filed Critical ZiAG Plant Engineering GmbH
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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/06—Wet spinning methods

Definitions

  • the invention relates to a plant for the production of continuous molded articles from a molding composition, such as a spinning solution containing water, cellulose and tertiary amine oxide, with spin agents comprising an extrusion head through which the molding material is extruded into continuous moldings, a precipitation bath containing a Kayllbadans and an air gap, which is arranged between the extrusion head and the precipitation bath, wherein the continuous moldings are first passed through the air gap and then through the precipitation bath.
  • a molding composition such as a spinning solution containing water, cellulose and tertiary amine oxide
  • the heated spinning solution is passed through extrusion openings in the extrusion heads and thereby extruded into continuous moldings.
  • an air gap Directly adjacent to the extrusion openings is an air gap, in which a tensile force acts on the continuous molded articles and draws them.
  • the tensile force is used to set the thickness of the continuous molded articles, for example in textile fibers of the fiber titers; in addition, under the influence of the tensile force, the molecules orient themselves in the endless molded articles and thus increase their mechanical strength.
  • the solvent is precipitated.
  • extrusion openings can, as described in WO 95/01470 and WO 95/04173, be arranged on an annular surface, through the center of which the cooling wall jet guided radially outward is passed. In such a ring arrangement, however, problems arise when immersing the continuous molding in the precipitation bath.
  • rectangular nozzles can be used, as described in WO 94/28218 and WO 98/18983.
  • the extrusion orifices are distributed over a substantially rectangular area and the cooling blast takes place on one side of the rectangle, usually the long side, through the rows of continuous moldings.
  • the present invention is therefore based on the object to provide a structurally simple system, which simplifies the monitoring of the extrusion process.
  • the system has a arranged in front of the spinning means, accessible to operating personnel control area and that the air gap is arranged freely visible at a height that through the central viewing area of a substantially horizontally facing, upright in the residence area or going Operator is determined, wherein the central vision area extends approximately up to 15 ° above and below the running at eye level horizontal of the control area standing or walking operator.
  • the control area may, for example, be designed as a corridor in which the operating personnel carry out inspection operations.
  • the operator can immediately see the air gap as he passes by the spinning plant and immediately recognize any breaks or other problems in the extrusion process. In particular, the operator no longer has to stoop, as hitherto usual, to see the air gap.
  • the spinning means are arranged in the area of central vision, preferably at an angle of at most ⁇ 15 ° around the horizontal at eye level of the operator.
  • the perception and the optical resolution of a person is particularly sharp and details are particularly easy to grasp in this area.
  • the central vision area of a horizontally-looking person extends downwardly from the horizontal at an angle of 15 °.
  • the spinning means may further comprise a bundling means by which the continuous molded bodies are combined, for example, to form a fiber bundle.
  • the bundling means for one in the control area is also essentially upright and horizontally looking person freely visible in the central viewing area attached to the system.
  • the bundling means can be arranged approximately at eye level of the operating staff in the control area, so that the bundling means can be monitored together with the air gap without major body movements by the operating personnel.
  • the operation of the bundling member and its monitoring is particularly simplified when the bundling means outside the precipitation bath, preferably above the precipitation bath, is arranged.
  • the arrangement outside the Klallbadstoffs the threading of continuous moldings during piecing is simplified. Due to the arrangement of the bundling means above the precipitation bath, it is no longer necessary to work both below and above the precipitation bath during maintenance, as is the case with conventional systems with spinning funnels, which is tiring and unclear for the operating personnel and therefore prone to error.
  • the spin means may also comprise a deflection means which is freely visible in the precipitation bath for a person standing in the control area and looking essentially horizontally, and by which the continuous molded bodies are deflected in the direction of the precipitation bath surface.
  • the precipitating bath can be configured accordingly on its side facing the control area, for example, have a slope, so that the deflection can be seen by the Klallbadober Structure by the operator, and / or by a transparent front through which the deflection can be considered ,
  • a deflecting means of the edge of the precipitation bath preferably of the operator facing side of the Desillbades.
  • This embodiment is also advantageous in itself, since the Desillbadnierkeit is passed through the deflection at Desillbadrand from the continuous moldings and then flows back without additional measures along the Desillbadkante in the precipitation bath.
  • the edge may have a rounding for the gentle deflection of the continuous molding.
  • the precipitation bath edge in the region of the deflection can be slightly recessed with respect to the remaining edge. In the depression, the continuous molded bodies are guided without being able to emigrate laterally.
  • the control of the extrusion process by operators who are in the control area is particularly simplified when the extrusion openings of an extrusion head are arranged substantially along a rectangular area and the long side of the rectangle extends substantially parallel to the control area or a front side of the machine. In this arrangement, the operator can control the largest possible number of continuous moldings in the air gap.
  • the rectangular area on which the extrusion openings are arranged preferably has a high aspect ratio of at least 3: 1, preferably at least 10: 1.
  • the endless molded bodies can be fed to the deflection as a substantially planar curtain in a further advantageous embodiment, the long side extends to facilitate control of the deflection by the operator parallel to the control area.
  • the system next to the control area has a maintenance area for servicing the spinning means and for manual handling with the spinning means, between the control area and the spinning means in the grip area of a In the maintenance area upright person is arranged by the spinning means.
  • the work on the spinning means is facilitated by the maintenance area being at a different height from the control area.
  • the height of the maintenance area is dimensioned so that the spinning means is arranged substantially below the eye level of a person standing upright in the maintenance area in their grip area.
  • the grip area corresponds to the action radius of an extended arm, ie the arm length measured around the shoulder of a representative operator who is essentially upright in the maintenance area.
  • the system can be accessed by operating personnel in the maintenance area in an ergonomically favorable manner on the extrusion area occupied or defined by the spinning means if the distance in an advantageous embodiment of the various spinning means is not more than 80 cm, preferably not more than 50 cm.
  • the distance in an advantageous embodiment of the various spinning means is not more than 80 cm, preferably not more than 50 cm.
  • the height difference between the maintenance area and the control area may correspond to the difference between a shoulder height and an eye level of the operating personnel.
  • spin agents When working on the spin agents, it is disadvantageous if individual spin agents are covered by preceding devices or are accessible only after removal of other facilities. To avoid this, it may be provided in a development that the spinning means are arranged freely accessible for a person standing upright in the maintenance area. This means that the spin agents do not obscure each other.
  • the spin means may also comprise an air gap adjustment device with a handle arranged to be freely accessible by a person in the maintenance area.
  • the air gap adjusting device can be used to adjust the height Adjust the air gap to the respective spinning conditions by the precipitation bath or the extrusion head is raised.
  • the installation may also have a plurality of extrusion stations spaced apart from one another along the control area, wherein each extrusion station is provided with spinning means. Accordingly, in this embodiment, each extrusion station on an extrusion head, at least one deflecting member and at least one bundling means.
  • the system can be modularly expandable composed of individual extrusion stations.
  • body dimensions for example the eye height, the shoulder height and the grip area
  • those dimensions are to be understood as meaning a population cross section which is representative for the operating personnel.
  • Such dimensions are reproduced in Germany, for example, in DIN 33402.
  • the median that is to say the 50th percentile, is to be used as the basis for the stated measures, whereby preferably the population group is to be used at the age of 16 to 60 years or alternatively 18 to 40 years.
  • these measures may vary in individual countries and regions and are smaller, for example, in the East Asian region than in Europe.
  • a height between 135 and 175 cm, preferably of about 155 cm can be assumed as eye level in the meaning of the patent.
  • Fig. 1 shows one of several possible embodiments of a plant 1 for the production of continuous molded articles 2 from a molding compound.
  • a spinning solution (not shown) containing water, cellulose and tertiary amine oxide is used to produce the continuous molded body 2.
  • the plant 1 has an extrusion head 3 with extrusion openings (not shown), the molding compound being extruded through the extrusion openings into the endless molding bodies 2.
  • the extruded continuous moldings 2 are passed through an air gap 4 and a precipitation bath 5.
  • a blowing device 6 is arranged, through which a cooling air flow is directed onto the extruded continuous molded bodies 2.
  • the precipitation bath 5 is filled with a precipitation bath liquid, for example water, and has a trough-shaped container 8 with a transparent front 9 with a lower, upwardly widening, oblique part 9a and an upper, vertical part 9b.
  • a precipitation bath liquid for example water
  • inflows and outflows 10 are arranged.
  • the length of the air gap 4 can be adjusted, for example by the height of the precipitation bath 5 is changed.
  • the adjustment of the air gap can also be done by tilting the tub around a pivot point.
  • a handle 11 for tilt adjustment may be attached to the position shown in FIG.
  • a deflection means 12 for example in the form of a roller, is arranged.
  • the continuous moldings 2 are deflected in the direction of a Klallbadober Design 13 and in the direction of the front 14 of the system 1 out.
  • the continuous moldings 2 are fed to a bundling means 15, which is attached to the front of the installation 1.
  • the bundling means By means of the bundling means, the endless shaped bodies, which enter the precipitation bath 5 as a planar curtain due to a rectangular arrangement of the extrusion openings in the extrusion head and are deflected by the deflection means 12 as a planar process, are combined into a bundle of filaments and fed to further processing steps, not shown.
  • the bundling means 15 is designed substantially cylindrical, wherein the axis of the roller is inclined relative to the horizontal, so that a part of the roller surface faces the front 14.
  • the plant 1 further comprises a control area 16, which extends at a distance of at most 2 m, preferably of at most 1 m to 1.5 m, in front of the front 14 of the machine parallel to the front 14.
  • the control area is accessible to operating personnel 17 and serves to enable the operating personnel in the control area to check the proper functioning of the system 1 by visual inspection during passing or standing.
  • the plant 1 is designed so that via a support means 18 of the extrusion region, but at least the extrusion head and / or the air gap 4 is maintained at a height which corresponds approximately to the eye level A of an operator 17, wherein the operator, as in Figure 1 shown, is substantially upright in the control area 16.
  • the extrusion area is thus located in a central viewing area 19 of a person walking or standing upright in the control area 16.
  • the Desiredober Structure 13 is preferably slightly below the eye level A of the operator 17, so that little or no reflections at the Klallbadober Structure and look into the filled precipitation bath 5 from the control area can be thrown. Due to the inclination of the bundling means 15 against the horizontal, the operator 17 can easily control the perfect bundling of the continuous molded body 2 into a bundle of filaments. Due to the transparent front 9 of the tub 8 of the precipitation bath 5, the operator 17 can consider the proper function of the deflecting member 12 from the control area, without major body movements are necessary.
  • Spinning agent is any combination of extrusion head 3, air gap 4, precipitation bath 5, deflection means 12, bundling means 15 and blowing means 6, preferably the combination of all these means.
  • the central visual area extends about 15 ° to either side of an eye-level horizontal 20, preferably 15 ° below, and is on the one hand by the area of the retina of the eye of an operator 17, the highest optical and color resolution due to the highest On the other hand psychologically characterized by particularly sharp perception.
  • the dimensions of the 50th percentile of a relevant for operators 17 of Appendix 1 group of people, as determined for example in DIN 33402, are relevant.
  • the air gap can be located in particular at a height of between 135 cm and 175 cm, the Desillbadober Assembly at a height of about 150 cm.
  • these sizes may vary across regions, for example, the average height or arm length of average people in Europe and Asia varies.
  • FIG. 2 shows a view of the front of the installation 14 as it presents itself to an operator 17 in the control area 16. In order to make the height ratios more clearly visible, the operator is shown in Figure 17 from the front.
  • FIG. 2 parts of the reference signs of FIG. 1 are entered again in order to explain the understanding.
  • the installation 1 is constructed from a plurality of extrusion stations 21. For example only, four extrusion stations 21 are shown in Fig. 2, but the number of extrusion stations 21 may be smaller or larger.
  • Each extrusion station 21 is associated with an extrusion head 3 with rectangular-shaped extrusion openings, wherein the long side of the rectangle extends parallel to the control area 16 and to the front 14 of the installation 1. Furthermore, each extrusion station 21 has a blowing device 6 (not visible in FIG. 2) and a deflection means 12.
  • each trough 8 is assigned two extrusion stations 21, so that the plant of FIG. 1 can be expanded as desired.
  • the system 1 can have a viewing window 22 through which the person standing in the control area 16 can gain insight into the devices necessary for feeding the molding compound to the extrusion head 3.
  • the viewing window 22 may in particular also be arranged within an area which extends to 15 ° above the horizontal at eye level of a person 17 standing or standing upright in the control area 16.
  • the plant 1 may additionally have a maintenance area 23, the height of which is dimensioned so that the spinning means are in the grip area of a person standing upright in the maintenance area 23, preferably in an area that is around and below the shoulder height S.
  • the maintenance area 23 is raised or lowered relative to the control area 16, for example in the form of a pedestal 24.
  • the height difference between the maintenance area 23 and the control area 16 corresponds approximately to the difference between the typical eye height A and the typical shoulder height of operators 17 according to the above design rule with reference to representative population cross sections.
  • the height difference may be between 20 cm and 40 cm, preferably around 25 cm.
  • the pedestal 24 is configured such that now the spinning means or at least substantial spinning means lie in a grip area 25 of an operator 17 standing in the maintenance area on the pedestal 24.
  • the operator 17 standing in the maintenance area 23 can access the extrusion area upright and carry out maintenance work substantially without changing the posture.
  • the system 1 is ergonomically operated.
  • the spinning means 15, 12, 4, 6, 7 and / or 11 are arranged freely accessible, so that they do not overlap from the standpoint of a person standing in the maintenance area 23.
  • the access to the extrusion area is facilitated in particular by the fact that no spin agent is arranged more than 50 cm away from the maintenance area, in particular from the shoulder of a person standing upright in the maintenance area 23, or the front 14 of the facility 1.
  • the distance of the spinning means from each other is also at most 50 cm and all spin agents above the bottom of the tub 8 are arranged.
  • the spinning means are arranged so that they are freely visible by the operator 17, which is upright in the maintenance area 23, and do not overlap optically.
  • the spinning means are arranged so that they are arranged by the standing in the maintenance area 24 operator 17 with tilt of the head down in a region 19 of the central vision.
  • Fig. 4 is a view of the system 1 from the control area 16 is shown on the front 14, the operator 17 is shown standing on the pedestal 24.
  • the air gap 4 is approximately at shoulder level, in Fig. 4 slightly below, is arranged so that from the standing posture of the operator 17 out an ergonomic manual handle in a relaxed attitude of the spinning means to the Air gap 4 is possible.
  • the pedestal 24 may extend around the system 1 around to provide easy accessibility of the system 1 from all sides.
  • the ergonomic arrangement of the spinning means according to the invention can also be used in installations 1 in which the deflection means 12 is mounted outside the precipitation bath 5, for example in installations with spin funnel systems.
  • FIG. 5 shows diagrammatically the distances of the spinning means from one another and the grip area of a person standing in the maintenance area 23.
  • the shoulder 26 of the operator 17 is at a distance D from the center plane E through the rows of extrusion openings.
  • the distance D is between 20 cm and 50 cm, preferably around 40 cm.
  • the operator 17 can only approach the system 1 as close as possible until it hits the front 9 a of the precipitation bath 5.
  • all spinning means are in the grip area, ie at a distance R 1 from the shoulder 26, the distance R 1 preferably being no greater than 70 cm.
  • the distance R 1 to the spinning means furthest from the shoulder 26 is between 35 cm and 45 cm.
  • the farthest spin means for example, the inlet and outlet 10 and the handle 11 for the air gap adjusting device.
  • the bundling means 15 is mounted above the central point 28, so that the operator 17 can easily access the pleasure gap.
  • the height of the bundling means above the air gap may be between 10 cm and 20 cm, preferably around 15 cm.
  • the distance R 3 to the handle 11 of the air gap adjusting device is between 15 cm and 25 cm.
  • the distance R 4 of the central point 28 in front of the adjusting means for the blowing means 6 is preferably smaller than the distance R3.
  • the distance R 5 of the front edge of the precipitation bath 5 is between 20 cm and 50 cm, preferably around 40 cm.
  • the distances R 6 of the inlets and outlets 10 of the precipitation bath 5 are between 20 cm and 40 cm.
  • the distance R 7 of the deflection means 12 from the central point 28 is less than 20 cm, preferably between 10 cm and 15 cm.
  • FIG. 6 shows a second embodiment of a spinning system 1 according to the invention, in which an additional deflection point 29 is formed by the upper edge 30 of the precipitation bath 5.
  • the continuous molded bodies 2 are deflected by the deflecting means 12 in the precipitation bath 5 in the direction of the upper edge 30 and from there down to the bundling means 15.
  • the precipitation bath liquid is pressed out of the endless moldings 2 and runs back along the front 90 into the precipitation bath.
  • FIG. 6 with the deflection through the upper edge of the precipitation bath 5 is also considered only for itself, regardless of the ergonomic design of the system 1, advantageous.
  • the remaining embodiment of the system 1 according to the embodiment of FIG. 6 corresponds to the embodiment of FIGS. 1 to 5.
  • the bundling means 15 is easily accessible and immediately visible in the front region of the system. 1
  • FIG. 7 shows a view along the arrow VII of FIG. 6.
  • the upper edge 30 has a formation 31, which is slightly lowered towards the other upper edge in order to allow a page-stable guidance of the continuous molded body 2 in the direction of the bundling means 15.
  • the upper edge 30 is rounded and made of a particularly smooth material, which has a low coefficient of friction when mating with the material of the continuous molded articles, for example made of stainless steel or coated stainless steel, which may be additionally polished.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
EP02806642A 2002-01-28 2002-11-11 Ergonomische spinnanlage Expired - Lifetime EP1470270B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10204381A DE10204381A1 (de) 2002-01-28 2002-01-28 Ergonomische Spinnanlage
DE10204381 2002-01-28
PCT/EP2002/012593 WO2003064735A1 (de) 2002-01-28 2002-11-11 Ergonomische spinnanlage

Publications (2)

Publication Number Publication Date
EP1470270A1 EP1470270A1 (de) 2004-10-27
EP1470270B1 true EP1470270B1 (de) 2006-03-01

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ID=7713628

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Application Number Title Priority Date Filing Date
EP02806642A Expired - Lifetime EP1470270B1 (de) 2002-01-28 2002-11-11 Ergonomische spinnanlage

Country Status (12)

Country Link
US (1) US7614864B2 (zh)
EP (1) EP1470270B1 (zh)
KR (1) KR100638423B1 (zh)
CN (1) CN1325705C (zh)
AT (1) ATE318946T1 (zh)
BR (1) BR0215577A (zh)
CA (1) CA2474167A1 (zh)
DE (2) DE10204381A1 (zh)
MY (1) MY130784A (zh)
TW (1) TWI235187B (zh)
WO (1) WO2003064735A1 (zh)
ZA (1) ZA200405988B (zh)

Families Citing this family (12)

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DE10200406A1 (de) * 2002-01-08 2003-07-24 Zimmer Ag Spinnvorrichtung und -verfahren mit turbulenter Kühlbeblasung
DE10200405A1 (de) 2002-01-08 2002-08-01 Zimmer Ag Spinnvorrichtung und -verfahren mit Kühlbeblasung
DE10204381A1 (de) 2002-01-28 2003-08-07 Zimmer Ag Ergonomische Spinnanlage
DE10206089A1 (de) 2002-02-13 2002-08-14 Zimmer Ag Bersteinsatz
DE10213007A1 (de) * 2002-03-22 2003-10-09 Zimmer Ag Verfahren und Vorrichtung zur Regelung des Raumklimas bei einem Spinnprozess
DE10223268B4 (de) * 2002-05-24 2006-06-01 Zimmer Ag Benetzungseinrichtung und Spinnanlage mit Benetzungseinrichtung
DE10314878A1 (de) * 2003-04-01 2004-10-28 Zimmer Ag Verfahren und Vorrichtung zur Herstellung nachverstreckter Cellulose-Spinnfäden
DE102004024029A1 (de) * 2004-05-13 2005-12-08 Zimmer Ag Lyocell-Verfahren und -Vorrichtung mit Steuerung des Metallionen-Gehalts
DE102004024028B4 (de) * 2004-05-13 2010-04-08 Lenzing Ag Lyocell-Verfahren und -Vorrichtung mit Presswasserrückführung
DE102004024030A1 (de) 2004-05-13 2005-12-08 Zimmer Ag Lyocell-Verfahren mit polymerisationsgradabhängiger Einstellung der Verarbeitungsdauer
EP2719801A1 (de) * 2012-10-10 2014-04-16 Aurotec GmbH Spinnbad und Verfahren zur Verfestigung eines Formkörpers
CN103776599A (zh) * 2014-01-24 2014-05-07 青岛菲易特智能机械设备有限公司 一次性手套孔洞检测装置及方法

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US7614864B2 (en) 2009-11-10
KR20040078144A (ko) 2004-09-08
ATE318946T1 (de) 2006-03-15
CN1623015A (zh) 2005-06-01
US20050048151A1 (en) 2005-03-03
DE10204381A1 (de) 2003-08-07
WO2003064735A1 (de) 2003-08-07
MY130784A (en) 2007-07-31
CA2474167A1 (en) 2003-08-07
CN1325705C (zh) 2007-07-11
TW200302299A (en) 2003-08-01
EP1470270A1 (de) 2004-10-27
ZA200405988B (en) 2007-02-28
KR100638423B1 (ko) 2006-10-24
TWI235187B (en) 2005-07-01
DE50205976D1 (de) 2006-04-27

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