WO2003095722A1 - Karde - Google Patents
Karde Download PDFInfo
- Publication number
- WO2003095722A1 WO2003095722A1 PCT/EP2003/003446 EP0303446W WO03095722A1 WO 2003095722 A1 WO2003095722 A1 WO 2003095722A1 EP 0303446 W EP0303446 W EP 0303446W WO 03095722 A1 WO03095722 A1 WO 03095722A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- card
- revolving
- carding machine
- measured value
- revolving cover
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G31/00—Warning or safety devices, e.g. automatic fault detectors, stop motions
- D01G31/006—On-line measurement and recording of process and product parameters
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
- D01G15/02—Carding machines
- D01G15/12—Details
- D01G15/36—Driving or speed control arrangements
Definitions
- the present invention relates to a card or card with a measuring device for detecting the forces prevailing between the revolving cover and the reel.
- strain gauges are applied to the revolving cover in order to be able to record the forces that occur during the operation of the card or card.
- strain gauges additional separate components must be attached to the card or card, namely strain gauges. This entails increased costs. On the other hand, it not only helps to use one or a few strain gauges, but a large number of strain gauges must be used. Only then can the entire width of the revolving cover be covered with strain gauges. If only a few strain gauges are used, the measurement result is inaccurate. The application of the strain gauges as such is also expensive. It is also expensive and complex to connect the strain gauges, which, since they are attached to the revolving cover and thus rotate, must be connected to the fixed component for receiving the signal in a signal-transmitting manner.
- the measuring device comprises a sensor for detecting the power consumption of the drive of the revolving cover.
- the power requirement of the motor of the revolving cover used for driving is thus measured.
- a sensor is used for this. With the help of this measured value, which is determined by the sensor, the force in the gap between the revolving cover and the reel can be determined indirectly. This prevents the card or card from being destroyed, since excessive forces in the gap between the revolving cover and the reel are avoided.
- the sensor By attaching the sensor to the motor of the revolving cover, the force in the gap between the revolving cover and drum can be controlled very quickly.
- the measured value can be determined on an electric motor for driving the revolving cover, since a measurement on an electric motor can be carried out particularly easily and efficiently.
- the power consumption of the revolving cover drive motor can be measured via the sensor and the measured value can be used to create a control signal.
- the measured value can be used to create a control signal.
- excessive force peaks in the card or card can be reacted to very quickly and the quality of the processed fibers can be optimized.
- the measured value is processed further, a specific control action can be defined for each measured value. This enables a flexible reaction. If the measured value is processed in a computing unit, standard elements which are cheaply available on the market can be used. This can minimize the costs of developing a card or card. It is particularly advantageous if the measured value is compared with a previously defined upper limit value or is compared with a previously defined lower limit value and previously defined control signals can be generated. As a result, limits of operation can be established in which the card or card can be operated economically.
- the supply of fibers into the gap between the revolving cover and drum can be controlled via control signals. In this way it can be avoided that too many fibers penetrate into the gap between the revolving cover and the reel and clog the card or the card. The quality of the processed fibers can thus be positively influenced.
- overload protection of the revolving cover can be represented by the fact that the revolving cover drive can be switched off when a measured value is present above a previously defined maximum value, total destruction of the card or card in the event of an overload can be prevented. This can require a particularly long-lasting card or card.
- the carding forces can be regulated after measuring the power consumption of the traveling cover drive motor, a flexible operating mode of the card or card can be made possible. This is particularly important when operating with different fibers.
- the force between the revolving cover and the reel can be determined indirectly.
- This indirect method enables a measurement to be carried out at an easily accessible location with a high degree of accuracy. If the power consumption of the drive of the revolving cover is determined, a conclusion can be drawn about the forces in the gap between the revolving cover and drum in such a method.
- the measured value is determined by detecting the current requirement of the revolving cover drive motor.
- the card or the card can be regulated in a cheap and reliable manner.
- the amount of fibers supplied to the card or card is regulated in accordance with the measured value when a previously defined limit value is exceeded, this can result in a regulation that has an extremely short delay and thus responds very quickly, which results in high processing quality and overload protection has what results in a long life.
- Fig. 1 shows the side view of a card or card
- Fig. 2 shows the detailed view of the gap between the revolving cover and drum.
- a carding device is shown schematically in a plane perpendicular to an axis of rotation A of a carding roller or a reel 2.
- the outer surface 8 of the drum 2 is provided with a clothing 9 for processing fiber material.
- the clothing 9 consists of coiled toothed wire, the individual teeth pointing with their tips in the direction of rotation or carding direction B.
- the design of such sets 9 is best known in the prior art and will not be described in more detail here.
- the arrow B shows that the drum 2 turns clockwise.
- An opening roller 10, which feeds the fibers to the drum 2 is shown schematically on the left-hand side.
- a feed unit 4 connects to the opening roller 10 and feeds the fibers of the opening roller 10.
- Known opening roller devices can also be used here. There are sufficient examples of this in the prior art.
- take-off roller 11 On the opposite side there is at least one take-off roller 11, which schematically represents the take-off device, which removes the carded fibers from the reel 2 and removes them for further processing.
- take-off device which removes the carded fibers from the reel 2 and removes them for further processing.
- the revolving cover 1 is located on the outer circumference, at least in the upper region (in the section between the opening roller 10 and the take-off roller 11), of the revolving cover 1.
- the revolving cover 1 is driven by the revolving cover drive motor 3.
- the revolving cover drive motor 3 is non-positively connected to the revolving cover 1.
- the revolving cover drive 1 lies above the reel 2 and rotates in the same direction as the reel.
- the revolving cover is a toothed band, which is endless all the way round.
- the band is deflected via at least two deflection rollers 12 and 13 in such a way that there is a uniform and equally large distance between the upper region of the drum, namely the outer surface 8 in the upper region of the drum 2, and the deflected band.
- the revolving cover drive motor 3 drives the deflecting roller 12 via a non-positive connection and thereby drives the revolving cover 1.
- the revolving cover 1 which is designed to be movable, runs in the region of the reel to match the contour of the reel 2, with the underside always being at the same distance from the other Shell surface 3 is arranged.
- a tooth set 14 is provided on the underside of the revolving cover 1.
- tooth sets 9 and 14 consist of toothed wire sections arranged next to one another.
- the revolving cover 1 is arranged floating at a short distance above the reel 2 and moves counter to the direction of rotation B of the reel 2. Accordingly, there is a gap 15 between the toothed set 9 of the reel 2 and the toothed set 14 of the revolving cover for carding the fibers (not shown).
- the feed unit drive motor 5 drives the feed unit 4.
- a sensor 6 measures the power consumption on the revolving cover drive motor 3. This signal is transmitted to a computing unit 7.
- a control signal which controls the feed unit drive motor 5 is then generated in the computing unit 7.
- fibers are fed via the feed unit 4 to the card or the card. This is made possible by the feed unit drive motor 5 driving the feed unit 4.
- the fibers reach the reel 2 via two rollers, which conveys the fibers into the gap between the revolving cover 1 and reel 2.
- the revolving cover 1 is driven separately via the revolving cover drive motor 3.
- the sensor 6 measures the power consumption of the revolving cover drive motor 3. If the measured value is greater than a previously defined one Is the threshold value, the measured value, which was forwarded to the computing unit 7, is processed in such a way that it is passed as a control signal to the feed unit drive motor 5, with the result that the power of the feed unit drive motor 5 is minimized. This enables the supply amount of fibers to be minimized through the feed unit 4.
- a high-quality product can thus be removed from the take-off roller 11 and passed on to further processing.
- Fig. 2 the gap 15 between drum 2 and revolving cover 1 is shown in a detail.
- the set 14 and its toothed embodiment is clearly visible.
- the set 9 and its toothed embodiment is also shown.
- the fibers (not shown) are conveyed and processed in the gap 15.
- the fibers are applied to the feed device 4 and conveyed to the drum 2 via the opening roller 10 and the feed unit 4.
- the drum 2 rotates clockwise and conveys the fibers upwards.
- the fibers enter the gap 15 between the clothing 9 on the outer surface 8 of the reel 2 and the clothing 14 of the revolving cover 1.
- the revolving cover 1 rotates clockwise. As a result, the fibers are combed between the revolving cover 1 and drum 2. If the force in the gap 15 changes, the power consumption of the revolving cover drive motor 3, which is measured by the sensor 6, is also changed.
- the feed unit drive motor 5 is regulated by a computing unit 7 in such a way that its output is reduced. As a result, the performance of the feed unit 4 is reduced. As a result, fewer fibers are fed to the card or card.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Preliminary Treatment Of Fibers (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/513,661 US20050229362A1 (en) | 2002-05-14 | 2003-04-02 | Card engine |
EP03722385A EP1521874A1 (de) | 2002-05-14 | 2003-04-02 | Karde |
AU2003229595A AU2003229595A1 (en) | 2002-05-14 | 2003-04-02 | Card engine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10221407A DE10221407A1 (de) | 2002-05-14 | 2002-05-14 | Karde |
DE10221407.7 | 2002-05-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003095722A1 true WO2003095722A1 (de) | 2003-11-20 |
Family
ID=29413801
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2003/003446 WO2003095722A1 (de) | 2002-05-14 | 2003-04-02 | Karde |
Country Status (6)
Country | Link |
---|---|
US (1) | US20050229362A1 (de) |
EP (1) | EP1521874A1 (de) |
CN (1) | CN1653215A (de) |
AU (1) | AU2003229595A1 (de) |
DE (1) | DE10221407A1 (de) |
WO (1) | WO2003095722A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006024892A1 (de) * | 2006-05-24 | 2007-11-29 | TRüTZSCHLER GMBH & CO. KG | Vorrichtung an einer Spinnereimaschine, insbesondere Spinnereivorbereitungsmaschine, z.B. Karde, Krempel o. dgl., zur Überwachung eines elektrischen Antriebsmotors |
CN112877814A (zh) * | 2020-06-17 | 2021-06-01 | 国际竹藤中心 | 一种竹纤维分选机 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH659087A5 (de) * | 1981-05-20 | 1986-12-31 | Truetzschler & Co | Vorrichtung zur steuerung und regelung einer karde oder krempel. |
DE4130184A1 (de) * | 1991-09-11 | 1993-03-18 | Wirkbau Textilmasch Gmbh | Vorrichtung zum steuern der drehzahlen von trommeln und walzen an deckelkarden |
EP1215312A1 (de) * | 2000-12-18 | 2002-06-19 | Maschinenfabrik Rieter Ag | Online Messtechnik |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH640890A5 (de) * | 1980-01-17 | 1984-01-31 | Zellweger Uster Ag | Verfahren und vorrichtung zur regulierung von bandgewichtsschwankungen an karden und krempeln. |
GB8710162D0 (en) * | 1987-04-29 | 1987-06-03 | Carding Spec Canada | Controlling carding machines |
DE4018803A1 (de) * | 1990-06-12 | 1991-12-19 | Rieter Ag Maschf | Verfahren und vorrichtung zur regelung eines oeffnungsvorganges, beispielsweise an einer karde |
DE4307839A1 (de) * | 1993-03-12 | 1994-09-15 | Rieter Ingolstadt Spinnerei | Verfahren und Vorrichtung zur automatischen Einstellung der Drehzahlverhältnisse an einer Strecke |
DE10307603A1 (de) * | 2003-02-22 | 2004-09-02 | Rieter Ingolstadt Spinnereimaschinenbau Ag | Textilmaschine |
-
2002
- 2002-05-14 DE DE10221407A patent/DE10221407A1/de not_active Withdrawn
-
2003
- 2003-04-02 AU AU2003229595A patent/AU2003229595A1/en not_active Abandoned
- 2003-04-02 CN CNA038107929A patent/CN1653215A/zh active Pending
- 2003-04-02 US US10/513,661 patent/US20050229362A1/en not_active Abandoned
- 2003-04-02 EP EP03722385A patent/EP1521874A1/de not_active Withdrawn
- 2003-04-02 WO PCT/EP2003/003446 patent/WO2003095722A1/de not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH659087A5 (de) * | 1981-05-20 | 1986-12-31 | Truetzschler & Co | Vorrichtung zur steuerung und regelung einer karde oder krempel. |
DE4130184A1 (de) * | 1991-09-11 | 1993-03-18 | Wirkbau Textilmasch Gmbh | Vorrichtung zum steuern der drehzahlen von trommeln und walzen an deckelkarden |
EP1215312A1 (de) * | 2000-12-18 | 2002-06-19 | Maschinenfabrik Rieter Ag | Online Messtechnik |
Also Published As
Publication number | Publication date |
---|---|
AU2003229595A1 (en) | 2003-11-11 |
EP1521874A1 (de) | 2005-04-13 |
US20050229362A1 (en) | 2005-10-20 |
DE10221407A1 (de) | 2003-12-04 |
CN1653215A (zh) | 2005-08-10 |
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