Classifications

• • 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
  • D01D1/00—Treatment of filament-forming or like material
  • D01D1/06—Feeding liquid to the spinning head
  • D01D1/09—Control of pressure, temperature or feeding rate
• • 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
  • D01D1/00—Treatment of filament-forming or like material
  • D01D1/06—Feeding liquid to the spinning head
• • 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
  • D01D4/00—Spinnerette packs; Cleaning thereof
  • D01D4/08—Supporting spinnerettes or other parts of spinnerette packs

Definitions

• the invention relates to a device for melt spinning synthetic filaments according to the preamble of claim 1.
• the known device consists of a spinning beam, which holds a plurality of spinneret packages in a row-like arrangement on its underside.
• the spinning beam forms a heating chamber, which encloses the receptacles of the spinneret packs in the interior of the spinneret.
• a spinning pump is mounted, which is attached to a pump connection block at the top of the spinner.
• the spinning pump is associated with a heating means which surrounds the spinning pump with a heating medium in the form of a heating jacket.
• the spinning pump is in this case formed by a multiple pump and connected by a plurality of melt lines with the spinnerets.
• the pump connection blocks are preferably screwed to the spinning beams. Frequent heating up and heating down of the spinner bar places a heavy burden on such mechanical connections, so that a regular check as well as a tightening of the screws when using a screw is necessary in order to prevent possible leaks. For this complex disassembly work is required. Furthermore, in the production of synthetic yarns, it is common for a plurality of spinneret packages and spinning pumps to be held on a spinneret. In this case, it is disadvantageous that each of the spinning pumps attached to the spinning beam is assigned a separate heating means in order to obtain a temperature control of the melt-carrying parts. In this case, temperature differences can hardly be avoided. It is an object of the invention to provide a device for melt spinning synthetic filaments of the generic type, in which the spinning pump and the spinneret are held in a low-maintenance and easy to use arrangement.
• Another object of the invention is to provide an apparatus for melt-spinning synthetic filaments of the generic type, with which a uniform and tailored to the function of the assemblies temperature control of the spinning nozzle packages and spinning pumps is possible.
• the invention is based on the previous concept of retaining the melt and the components required for the extrusion of the melt on a common support.
• the separation according to the invention between a spinning beam and a separate pump carrier has the particular advantage that a temperature control adapted to the function of the respective module can be carried out without mutual interference occurring.
• a further advantage of the invention lies in particular in the flexible arrangement of the spinning pumps within the pump carrier, so that the drive can be aligned vertically or horizontally or, if necessary, can be executed in an inclined position.
• the arrangement of the pump carrier next to the spinning beam is not limited to a specific position of the pump carrier relative to the spinning beam. Thus, the pump carrier could be arranged both horizontally and vertically next to the spinning beam.
• the development of the invention is particularly advantageous in which the pump carrier is arranged parallel to a longitudinal side of the spinning beam such that the spinning pump and the spinneret package in a common spinning plane transverse to Spinning beams are held.
• the pump carrier can basically be arranged above or laterally next to the spinning beam.
• heat transfer media are preferably used, which flow around in a heating chamber, each to be tempered melt-carrying components and assemblies. For this purpose, separate heating chambers are formed in the spinning beam and the pump carrier.
• the heating of the melt line arranged between the spinning pump and the spinneret pack is preferably made possible by a pipe stub which is arranged between the heating chambers of the spinneret and the pump carrier and which surrounds the melt line in the form of a jacket at a distance.
• the separation of the heating chamber can be realized preferably by a trained in the pipe socket blocking means which seals the annular space in the pipe socket concentrically to the melt line.
• an interaction between the heat transfer media in the heating chamber of the pump carrier is excluded with the heat transfer medium in the heating chamber of the spinning beam.
• blocking means can be realized in the pipe socket integrated jacket seals or connectors.
• the provision of a temperature-controlled heat transfer medium can be carried out by a common heat carrier source or by a plurality of separate heat transfer sources depending on the requirement for the desired temperature control of the spinneret pack and the spin pump.
• the heat carrier source is formed by an evaporator, which is connected by a steam connection and a condensate connection with at least one of the heating chambers.
• the threads In the manufacture of synthetic threads, it is also common for the threads to be formed of multiple polymer components.
• the polymer components are preferably combined within a spinneret stacked thereon to extrude the individual filament strands from a plurality of components.
• two or more spinning pumps are assigned to the spinneret pack.
• the spin bars are associated with a plurality of pump carrier, each holding one of several spinning pumps, the spinning pumps are connected by a plurality of melt lines to the spinneret.
• the individual melt components can be tempered individually during the feed. Only shortly before the extrusion, the melt components in the spinning beam are heated together.
• the plurality of spinneret packages are preferably held in a row-like arrangement in the spinning beam, wherein the spinneret packages associated spinning pumps are also arranged in a row-shaped arrangement in the pump carrier.
• all spinning pumps can be tempered jointly by the pump carrier having a plurality of pump connection bars within the heating chamber for connecting the spinning pumps and the melt line, wherein each pump
• a - Connection block is associated with a cylindrical plug-in housing for receiving one of the spinning pumps.
• the heating chamber is used to jointly temper a plurality of spinning pumps and the connections and melt lines.
• the plug-in housing is preferably integrated on the pump carrier such that an open end of the plug-in housing protrudes from the heating chamber.
• the pump carrier is particularly advantageous for the assembly and disassembly of the spinning pumps.
• the spin pumps can be advantageously mounted from the outside to the pump carrier.
• de pump carrier is formed by a tube to which the plug-in housing and a plurality of pipe sockets are attached.
• the attachment can be realized by welded joints.
• the advantageous development of the invention in which the spinning beam has a nozzle receiving opening at an upper side and a spinning opening at a lower side, in which the spinneret pack can be inserted, is particularly advantageous for mounting the spinneret pack from an upper side of the spinneret.
• This allows the replacement of the spinneret packages run in a user-friendly manner.
• An assembly and disassembly of the spinnerets packages takes place exclusively from the top of the spinneret, so that the usually arranged on the underside of the spinneret package cooling device for cooling the extruded filaments can connect in a compact design directly to the spinning beam.
• the device according to the invention is therefore suitable for all known types of spinneret packs which are used for the production of synthetic filaments.
• the spinneret packages can be performed by round nozzles or rectangular nozzles or ring nozzles.
• Fig. 1 shows schematically a cross-sectional view of a first embodiment of the inventive device
• FIG. 2 schematically shows a plan view of the embodiment of Fig. 1
• FIG. 3 shows schematically a cross-sectional view of another embodiment of the device according to the invention
• Fig. 4 shows schematically a cross-sectional view of another embodiment of the device according to the invention
• a first embodiment of the device according to the invention is shown in several views.
• Fig. 1 shows the embodiment schematically in a cross-sectional view and in Fig. 2, the embodiment is shown in a plan view. Unless an explicit reference is made to one of the figures, the following description applies to both figures.
• the exemplary embodiment of the device according to the invention has a spinning beam 1 and a pump carrier 2, which are arranged parallel to one another.
• the bellhousing 2 extends substantially parallel to a longitudinal side of the spinning beam 1.
• the spinneret packs 3 are each formed by rectangular nozzles.
• spinning pumps 17 are also held in a row-like arrangement.
• one of the spinning pumps 17, one of the spinning nozzle packages is assigned in each case such that the spinning pump 17 and the spinning nozzle package 3 lie in a common spinning plane transverse to the spinning beam 1.
• Each of the spinning pumps 17 is connected by a melt line 11 to the associated spinneret pack 3.
• the connection between the pump carrier 2 and the spinning beam 1 is formed by a plurality of pipe sockets 10, in which the melt lines 11 are guided.
• FIG. 1 The schematic cross-sectional view in Fig. 1 shows in comparison to Fig. 2, the average arrangement of the spinneret 3 and the spin pump 17.
• the spinning beam 1 is formed by a spinner box 8, which encloses a heating chamber 6 inside.
• the spinning beam housing 8 is oval shaped in this embodiment and extends over the entire length of the spinning beam 1.
• the spinning beam housing 8 is sealed on all sides and thus forms the hermetically sealed to the surrounding heating chamber 6.
• the usually on the spinning beam 1 insulating materials on the spinning beam housing 8 are not shown in this embodiment.
• a nozzle carrier 9 is used to receive the spinneret pack 3.
• the nozzle carrier 9 penetrates in this embodiment, the spinning beam housing 8 from an upper side to a lower side.
• a nozzle receiving opening 4 which corresponds to a spinning opening 5 opposite the underside of the spinning beam 1, is formed on the upper side of the spinning beam 1.
• the nozzle carrier 9 can thus be the spinning Mount the nozzle package 3 in the nozzle holder 9 from the top of the spinner 1.
• the spinneret package 3 projects substantially as far as the spinning opening 5.
• the spinneret 3 is not explained in detail here, since this is the well-known types of spinnerets. Basically, the spinneret packs 3 on its underside a nozzle plate with a plurality of nozzle bores through which the filament strands are extruded.
• the nozzle carrier 9 penetrates the spinning beam housing 8 in such a way that 9 free heating surfaces are formed within the heating chamber 6 on each side of the nozzle carrier.
• the melt line 11 is connected to the nozzle carrier 9 within the heating chamber 6 and is led out of the spinning beam 1 from a lateral feed opening 27 of the spinning beam housing 8.
• the pipe socket 10 Concentric with the inlet opening 27 of the spigot housing 8, the pipe socket 10 is attached. In this case, the pipe socket encloses the melt line 11, so that 11 forms a free space between the pipe socket 10 and the melt line.
• the pump carrier housing 13 of the pump carrier 2 has a tubular design and, in each case, has a pump connection block 15 for connecting the spinning pumps 17.
• the pump connection block 15 is located within a heating chamber 14 formed by the pump carrier housing 13.
• the melt line 11 is connected with its other end, so that there is a connection to the spinneret pack 3.
• a supply line 19 is connected to the pump connection block 15.
• the supply line 19 is connected via a second connection tion 28.2 led out of the heating chamber 14 in the pump carrier housing 13.
• Concentric to the connection opening 28.2, a connecting piece 20 is connected to the pump connection block 15.
• the connecting piece 20 surrounds the supply line 19 shell-shaped.
• the supply line 19 is connected to a distribution system, not shown here, in order to supply the remaining spinning pumps 17 in the pump carrier 2 with melt.
• a plug-in housing 16 is attached to the pump connection block 15, which protrudes with an open end of the pump carrier housing 13.
• the spinning pump 17 is held.
• the drive end of the spinning pump 17 with a drive shaft 18 is located outside the pump carrier housing 13.
• a heat transfer medium for temperature control of the melt-carrying parts within the pump carrier housing 13 is in the heating chamber 14 as a heating medium, a heat transfer medium
• the heat transfer medium 26.1 is supplied via a heat source 25.1, preferably in the form of steam.
• the heat source 25.1 is connected to the heating chamber 14 via a steam line 23 with a steam connection 21.
• Plug-in housing 16 of the heat transfer medium 26.1 lapped and tempered.
• a blocking means in the form of a jacket seal 12 is provided within the pipe socket 10, which seals the space between the melt line 11 and the pipe socket 10. Since the mutual exchange of the guided in the heating chambers 6 and 14 heat transfer media 26.1 and 26.2 is thus prevented.
• the jacket seal 12 could alternatively also be formed by a connecting piece, for example a flange connection between two pipe stub pieces, wherein a portion of the pipe socket with the spinning beam housing 8 and the other part of the pipe socket could be welded to the pump carrier housing 13.
• a condensate connection 22 is provided, through which the heating chamber 14 via a condensate line 24 is connected to the heat source 25.
• a condensate accumulated within the heating chamber 14 can be returned to the heat source 25.1.
• the heat source 25.1 is for this purpose preferably designed as an evaporator, through which a heat carrier circuit is realized.
• the heating chamber 14 extends within the pump carrier housing 13 over the entire length of the pump carrier 2, so that all the spinning pumps 17 and the melt line 11 held on the pump carrier 2 are tempered.
• the pump carrier housing 13 may also be assigned an insulating jacket.
• the heating chamber 6 formed by the spinning beam housing 8 is likewise connected via a steam connection 21 and a condensate connection 22 to a second heat source 25.
• the heat source 25.2 in this case generates a heat transfer medium 26.2, which is passed in the vapor state via the steam line 23 into the heating chamber 6.
• a condensate occurring within the heating chamber 6 is returned via the condensate connection 22 and the condensate line 24 to the heat source 25.2.
• the heat source 25.2 to an evaporator, through which a heat carrier circuit is formed.
• FIGS. 1 and 2 are in the embodiment shown in FIGS. 1 and 2
• Pump carrier 2 held melt-carrying components together tempered by the heat transfer medium 26.1.
• the held in the spinning beam 1 melt-carrying components with a second heat transfer medium 26.2 separately heated, so that an individual on the modules matched temperature control is possible.
• the heat transfer medium 26.1 can be provided with a lower heating temperature than the heat transfer medium 26.2.
• the shear energy of the spinning pumps 17 energy energy supplied to the polymer melt so that the temperature control with a less hot heat transfer medium 26.1 is possible.
• a possible heat loss in the polymer melt would have to be compensated during the extrusion in the polymer melt, so that the heat transfer medium 26.2 is set to a higher heating temperature.
• the spinnerets 3 and the spin pumps 17 are advantageously mounted or dismounted from an upper side, so that short service interruptions can be realized during maintenance work.
• FIG. 3 shows a further exemplary embodiment of the device according to the invention, which can be seen in a schematic cross-sectional view.
• a spinneret pack 3 is held within the spinneret 1, which is suitable for melt spinning a multi-component fiber.
• the spinneret pack 3 several polymer melts are supplied in different compositions.
• the spinneret pack 3 is coupled within the spinner box 8 with two melt lines 11.1 and 11.2.
• the spinneret package 3 could thus be designed, for example, as a so-called biko spinneret package.
• a cup-shaped nozzle carrier 9 is integrated from an underside of the spinneret 1 in the spinneret housing 8.
• the cup-shaped nozzle carrier 9 has the connections to the melt lines 11.1 and 11 at a closed end projecting inside the spinning beam housing 8 11.2 on.
• the nozzle carrier 9 is open and forms the spinning opening 5.
• the spinneret pack 3 can be mounted in the nozzle carrier 9 via the spinning opening 5.
• the melt lines 11.1 and 11.2 are led out on both sides of the spinning beam 1 from the spinning beam housing 8.
• the spinning beam housing 8 has two opposing inlet openings 27.1 and 27.2. Concentric to the inlet openings 27.1 and 27.2, the pipe socket 10.1 and 10.2 are fixed, which are connected with their free ends in each case with a pump carrier 2.1 and 2.2.
• the pump supports 2.1 and 2.2 extend to both longitudinal sides of the spinning beam 1 and each hold a spinning pump 17.1 and 17.2.
• the pump carriers 2.1 and 2.2 are identical to the pump carrier 2 of the aforementioned embodiment according to FIGS. 1 and 2. In that regard, reference is made to the above description to avoid repetition.
• the heating chamber 6 formed in the spinning beam housing 8 and the heating chambers 14.1 and 14.2 formed in the pump support housing 13.1 and 13.2 are coupled to a heat source 25.
• a heat transfer medium 26 is supplied.
• Each of the heating chambers 6, 14.1 and 14.2 are assigned separate condensate connections 22, by means of which separate condensate lines 24 are connected to a heat source 25.
• each of the heating chambers 6, 14.1 and 14.2 can be coupled with separate heat sources 25, so that different heat transfer media are used within each heating chamber 6, 14.1 and 14.2 to control the temperature of the melt-carrying components.
• the pipe sockets 10.1 and 10.2 in these cases each have a blocking means, preferably jacket seals or flange connection. .
• the heating chambers 6, 14.1 and 14.2 are separated from each other and can be heated separately.
• Another alternative embodiment with blocking means in the pipe socket 10.1 and 10.2 is possible in that the heating chamber 14.1 and 14.2 are heated by a common heat source.
• FIG. 4 shows a further exemplary embodiment of the device according to the invention, in which several spinning pumps 17.1 and 17.2 are likewise assigned to a spinneret pack 3.
• FIG. 4 The embodiment of FIG. 4 is shown schematically in a cross-sectional view.
• the spinning pumps 17.1 and 17.2 are held together in a pump carrier 2 in this case.
• two parallel juxtaposed Pumpenan gleichb curl 15.1 and 15.2 are provided in the pump carrier housing.
• the Pumpenan gleichb curl 15.1 and 15.2 are each associated plug-in 16.1 and 16.2, which protrude with their open ends of the pump carrier housing 13.
• the drive shafts 18.1 and 18.2 of the spinning pumps 17.1 and 17.2 are parallel to each other here, so that, for example, could advantageously be driven by a common drive.
• connection opening 28.2 Via a connection opening 28.2, two supply lines 19.1 and 19.2 are guided into the interior of the pump carrier housing 13 and are each provided with one of the pumps. penan gleichb locke 15.1 and 15.2 connected. At each of the pump connection blocks 15.1 and 15.2, one of the melt lines 11.1 and 11.2 is coupled, which represent the connection to the spinneret pack 3.
• the melt lines 11.1 and 11.2 are led out of the pump carrier housing 13 through the connection opening 28.1.
• a pipe socket 10 is provided, through which the melt lines 11.1 and 11.2 are enclosed.
• a connecting piece 29 is provided as a blocking means, by which a separation between the pump carrier 2 and the spinning beam 1 is formed in order to avoid mixing inside the housing 8 and 13 guided heat transfer media.
• the melt line 11.1 and 11.2 are connected in the interior of the spinning beam housing 8 via the nozzle carrier 9 with the spinneret 3.
• the spinneret package 3 is also designed in this case for extruding multi-component filaments.
• FIGS. 1 to 4 are exemplary in the construction and arrangement of the individual assemblies.
• one or more spinning pumps could be arranged in the pump carrier such that the drive shaft of the spin pump is horizontal or directed vertically downwards.
• the erfmdungshacke separation between the spinning beam and a separate pump carrier offers a high degree of flexibility in the arrangement and design of the driven spinning pumps. In addition, this makes it easy to use, especially Clearly realize assembly and disassembly of the spinneret packs and spinning pumps.
• the spinning pumps in the pump carrier can be designed as multiple pumps, which are each connected to a plurality of spinnerets via a plurality of melt lines.
• a spinneret could be connected to more than two spinning pumps to spin a multicomponent thread.
• the spinning beam and the bellhousing of the embodiments heating chambers with a heat transfer medium As a heating means, the spinning beam and the bellhousing of the embodiments heating chambers with a heat transfer medium.
• the invention is not limited to such heating means.
• the heating means of the spinning beam or the heating means of the pump carrier or both heating means as electrical heating means.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Textile Engineering (AREA)
• Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
• Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Applications Claiming Priority (2)

Publications (2)

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ID=39710565

Family Applications (1)

Country Status (6)

Cited By (1)

Families Citing this family (6)

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• 2008
  • 2008-02-14 EP EP08716855A patent/EP2122019B1/fr not_active Not-in-force
  • 2008-02-14 WO PCT/EP2008/051815 patent/WO2008101863A2/fr not_active Ceased
  • 2008-02-14 AT AT08716855T patent/ATE489491T1/de active
  • 2008-02-14 DE DE502008001888T patent/DE502008001888D1/de active Active
  • 2008-02-14 CN CN2008800058452A patent/CN101617070B/zh not_active Expired - Fee Related
• 2009
  • 2009-08-17 US US12/542,306 patent/US20100015266A1/en not_active Abandoned

Non-Patent Citations (1)

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