EP2914764A1 - Device for guiding fibre tows through oxidation furnaces - Google Patents
Device for guiding fibre tows through oxidation furnacesInfo
- Publication number
- EP2914764A1 EP2914764A1 EP13737798.2A EP13737798A EP2914764A1 EP 2914764 A1 EP2914764 A1 EP 2914764A1 EP 13737798 A EP13737798 A EP 13737798A EP 2914764 A1 EP2914764 A1 EP 2914764A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fiber cable
- recess
- fiber
- face
- shoulder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
- D01F9/12—Carbon filaments; Apparatus specially adapted for the manufacture thereof
- D01F9/14—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments
- D01F9/32—Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H5/00—Feeding articles separated from piles; Feeding articles to machines
- B65H5/26—Duplicate, alternate, selective, or coacting feeds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H51/00—Forwarding filamentary material
- B65H51/02—Rotary devices, e.g. with helical forwarding surfaces
- B65H51/04—Rollers, pulleys, capstans, or intermeshing rotary elements
- B65H51/08—Rollers, pulleys, capstans, or intermeshing rotary elements arranged to operate in groups or in co-operation with other elements
- B65H51/12—Rollers, pulleys, capstans, or intermeshing rotary elements arranged to operate in groups or in co-operation with other elements in spaced relation to provide a series of independent forwarding surfaces around which material is passed or wound
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H57/00—Guides for filamentary materials; Supports therefor
- B65H57/14—Pulleys, rollers, or rotary bars
-
- 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
- D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
- D01D10/04—Supporting filaments or the like during their treatment
- D01D10/0436—Supporting filaments or the like during their treatment while in continuous movement
- D01D10/0445—Supporting filaments or the like during their treatment while in continuous movement using rollers with mutually inclined axes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/04—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated adapted for treating the charge in vacuum or special atmosphere
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/28—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity for treating continuous lengths of work
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D2003/0034—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities
- F27D2003/0042—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities comprising roller trains
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D2003/0034—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities
- F27D2003/0067—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities comprising conveyors where the translation is communicated by friction from at least one rotating element, e.g. two opposed rotations combined
Definitions
- the invention relates to a device for multiple passage of at least one fiber cable through an oxidation furnace by means of godets, wherein the at least one fiber cable is deflected via at least one interleaved galette.
- this conversion requires a period of about 60-90 minutes, during which time the fiber optic cables are expediently passed continuously through the oven or ovens with a defined voltage.
- fiber clusters such as crossovers, knots or bundles of fiber cables, as this would make the controlled heat dissipation difficult.
- enormous treatment lengths result, which can no longer be economically represented with a single straight oven passage. Therefore, the furnaces in production facilities have multiple passages, so that the cables can be parallel to each other and meandering through the respective furnace.
- Pulleys are provided on the outside, because on the one hand temperature-resistant bearings are expensive and on the other hand, in a possible winding formation due to yarn breaks easy access by the plant operator is required.
- pulleys are freely rotatable and are moved by the fiber cables.
- the fiber cables are pulled by a train to the furnace, with a train in front of the furnace acting as a brake to build up the fiber tension required for the process.
- tension measuring rollers are provided before the subsequent train, which then generate a signal to adjust the train speed. The voltage transmission or the compensation within the multiple furnace throughput takes place via the freely rotatable pulleys.
- Object of the invention to enable a device for a multiple pass of a fiber cable through an oxidation furnace with a simultaneous voltage compensation.
- the apparatus for multiple passage of at least one fiber cable through an oxidation furnace godets, wherein the at least one fiber cable is deflected via at least one interleaved galette.
- the godet comprises a shaft on which at least two individual roles are attachable, each single roll is rotatably mounted on the shaft, a multiple pass through the oxidation furnace is possible, at the same time a voltage compensation of the fiber cable is achieved.
- the fiber cables are no longer guided around the godets by means of friction, but by the rotatably arranged single role, reduce the tension in the fiber cable.
- the fiber cables are deflected by a common rotatable galette, whereby a part of the fiber cables slides with friction on the godet, since the fiber cables have different distortions and stresses.
- the voltages can be reduced by the fiber cable is guided and deflected at each deflection on a galette by a separate single role.
- Each of these individual rollers may preferably have a rolling, ball or sliding bearing, not shown, for minimizing the frictional resistance.
- each individual roll has a shoulder at least in the region of one end face. This ensures a leadership of the fiber cable on a single role.
- An advantageous embodiment is that the single role in the region of the front side with the shoulder has a recess into which the end face of another single role can dip. This will be prevents the fiber cable between the single rollers can be trapped.
- a further improvement can be achieved in that the end face, which dips into the recess ng, also has a shoulder. This also enhances the protection of the fiber cable against pinching in the gap between the single rollers.
- a centering of the individual rollers to each other can be achieved in that the recess has a conical or concave contour.
- the end face of the single roller which dips into the recess, a corresponding to the recess conical or convex contour.
- shoulders which are preferably formed in different heights, the front side with the small shoulder in the recess on the front side with the large shoulder dive, where there is a sleeve-shaped overlap, in which the fiber cable is not in can get into the gap between the single rollers.
- a preferred embodiment is that the shafts are mounted in a holder, wherein the angular position of the shafts is adjustable via the holder.
- the inclination angle and thus the deflection of the fiber cable can be adjusted by the oxidation furnace.
- Figure 1 a schematic plan view of an oxidation furnace with bilateral godets
- Figure 2 an inventive godet pair without the
- FIG. 3 shows a detailed representation of the rollers or godets
- Figure 4 a partial section through a godet with single roles
- Figure 5 an illustration of the godets according to the invention used as a train.
- FIG 1 the top view of an oxidation furnace 1 with bilateral godets 2a, 2b and the fiber cable 3 running thereon is shown schematically.
- the fiber cable 3 is supplied from the left coming from the oxidation furnace 1 and leaves after several passes the oxidation furnace 1 horizontally offset on the right side. However, it is also possible that the fiber cable 3 leaves the oxidation furnace 1 on the left side, if required by the process or the local conditions.
- FIG. 2 again shows a pair of godets 2 a, 2 b with a fiber cable 3.
- Each godet 2 a, 2 b consists of at least two individual rolls 4 a, 4 b, which can be attached to shafts 5 a and 5 b.
- five individual rollers 4a, 4b are mounted on a shaft 5a, 5b.
- the shafts 5a, 5b are fixed in a two-sided holder, not shown, but can also be mounted only on one side.
- the brackets are slidably disposed so that the angular position required for the desired offset is adjustable.
- the upper yarn path where the fiber cable 3 runs from left to right is shown as a solid line
- the lower yarn path where the fiber cable 3 runs from right to left is shown as a dashed line.
- FIG. A thread or a fiber cable 3 is always anxious, due to the transverse forces occurring, to run up perpendicular to a rotating roller or galette 2b at an angle of 90 °.
- the actual kink in the fiber run arises during the running of the thread or fiber cable 3, when the frictional forces between the fiber cable 3 and the roller surface are no longer sufficient to apply resistance to the axial shear forces. Then the fiber cable 3 slips so far, until the previously running radially over the roller fiber cable 3 forms a straight line with a perpendicular angle to the opposite role.
- the individual rollers 4 a, 4 b have a large shoulder 7 b in the region of a first end side and a small shoulder 7 a in the region of the second end side.
- the single roller 4a, 4b has in the region of the first end face, on which the large shoulder 7b is arranged, a recess 8, into which the small shoulder 7a can dip. This avoids that the fiber cable 3 slips into the gap 6 between two individual rollers 4a and jammed there.
- the large shoulder 7b thus covers the small shoulder 7a of the adjacent single roll 4a, 4b in the manner of a sleeve.
- a self-centering is achieved by the second end face of the single roll 4a, 4b with the small shoulder 7a has a conical or convex contour.
- the recess 8 is also conical or concave at the first end face with the large shoulder 7b.
- the individual rollers 4a, 4b depending on the desired number of passes through the oxidation furnace 1 interchangeable and have a different width. It makes sense always to use individual rolls 4a, 4b with a width whose multiple corresponds to the total width of the oxidation furnace 1 or the width of a godet 2a, 2b. To compensate for the resulting by the wrap horizontal offset, you can also use trained as godets traction 9, which are directed as shown in Figure 5, to the rear. As a result, the fiber cable 3 is guided backwards, which elegantly achieved in several successively arranged oxidation ovens 1, that the oxidation ovens 1 are in alignment, which greatly facilitates the operation and maintenance.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Inorganic Fibers (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012110582.0A DE102012110582A1 (en) | 2012-11-05 | 2012-11-05 | Device for guiding fiber cables through oxidation ovens |
PCT/EP2013/001980 WO2014067592A1 (en) | 2012-11-05 | 2013-07-05 | Device for guiding fibre tows through oxidation furnaces |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2914764A1 true EP2914764A1 (en) | 2015-09-09 |
EP2914764B1 EP2914764B1 (en) | 2016-09-07 |
Family
ID=48795549
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13737798.2A Not-in-force EP2914764B1 (en) | 2012-11-05 | 2013-07-05 | Device for guiding fibre tows through oxidation furnaces |
Country Status (5)
Country | Link |
---|---|
US (1) | US9803297B2 (en) |
EP (1) | EP2914764B1 (en) |
CN (1) | CN104471126B (en) |
DE (1) | DE102012110582A1 (en) |
WO (1) | WO2014067592A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016006275B3 (en) * | 2016-05-25 | 2017-11-09 | Karl Wiedemann | Channel cleaning device |
CN107082319A (en) * | 2017-01-18 | 2017-08-22 | 奧马迪机器人有限公司 | One kind crosses line metering device |
CN206469676U (en) * | 2017-01-19 | 2017-09-05 | 深圳市众耀光电有限公司 | A kind of process equipment of LED |
CN111926401B (en) * | 2020-07-22 | 2022-10-18 | 宁波海格拉新材料科技有限公司 | Aftertreatment system of polyarylate fibers |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2896572A (en) * | 1955-08-01 | 1959-07-28 | Sprague Electric Co | Non-slip friction drive |
US2817940A (en) * | 1955-10-18 | 1957-12-31 | United States Steel Corp | Self-centering roll |
GB1168619A (en) * | 1966-06-28 | 1969-10-29 | Nat Res Dev | The Production of Carbon Fibres. |
FR1602487A (en) | 1968-12-31 | 1970-11-30 | ||
JPS59106523A (en) | 1982-12-07 | 1984-06-20 | Toray Ind Inc | Yarn-guiding method in preoxidation furnace and apparatus therefor |
CN2057177U (en) * | 1989-05-04 | 1990-05-16 | 中国科学院山西煤炭化学研究所 | Device for producing pre-oxidation fibre |
JPH082820A (en) | 1994-06-20 | 1996-01-09 | Nippon Steel Corp | Yarn guide method and device therefor |
US7749479B2 (en) | 2006-11-22 | 2010-07-06 | Hexcel Corporation | Carbon fibers having improved strength and modulus and an associated method and apparatus for preparing same |
-
2012
- 2012-11-05 DE DE102012110582.0A patent/DE102012110582A1/en not_active Withdrawn
-
2013
- 2013-07-05 EP EP13737798.2A patent/EP2914764B1/en not_active Not-in-force
- 2013-07-05 US US14/440,806 patent/US9803297B2/en not_active Expired - Fee Related
- 2013-07-05 WO PCT/EP2013/001980 patent/WO2014067592A1/en active Application Filing
- 2013-07-05 CN CN201380037655.XA patent/CN104471126B/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2014067592A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN104471126A (en) | 2015-03-25 |
CN104471126B (en) | 2016-06-01 |
DE102012110582A1 (en) | 2014-05-22 |
WO2014067592A1 (en) | 2014-05-08 |
EP2914764B1 (en) | 2016-09-07 |
US20150299910A1 (en) | 2015-10-22 |
US9803297B2 (en) | 2017-10-31 |
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