EP0479983A1 - Verfahren zur optimierung der faserqualität. - Google Patents
Verfahren zur optimierung der faserqualität.Info
- Publication number
- EP0479983A1 EP0479983A1 EP91907547A EP91907547A EP0479983A1 EP 0479983 A1 EP0479983 A1 EP 0479983A1 EP 91907547 A EP91907547 A EP 91907547A EP 91907547 A EP91907547 A EP 91907547A EP 0479983 A1 EP0479983 A1 EP 0479983A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fiber
- bale
- removal
- bales
- measuring
- 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
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G99/00—Subject matter not provided for in other groups of this subclass
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G13/00—Mixing, e.g. blending, fibres; Mixing non-fibrous materials with fibres
Definitions
- the invention relates to a method for optimizing and keeping the fiber quality constant in the automated mixing of bales with textile fibers of different quality, according to the preamble of claim 1.
- the invention seeks to remedy this.
- the invention has for its object to provide a method for optimizing and maintaining the fiber quality in the automated mixing of bales with textile fibers of different quality, which enables the current mixing result to be continuously checked and corrected for one or more predetermined target values.
- the invention achieves the stated object with a method which has the features of claim 1 and a device for carrying out the method which has the features of claim 11.
- Bales of poor quality and bales of good quality can be mixed in a controlled manner - based on calculated and measured values - to form a medium-quality fiber material.
- the mean value of the mixture remains constant and does not vary with the current mean value of all bales, which ultimately leads to a constant fiber quality.
- the quality of the fibers of a bale is measured not only once, as in the methods according to the prior art, but each bale is measured layer by layer, as a result of which variations in quality within an individual bale are better taken into account.
- 1 shows a schematic representation of a device for carrying out the method according to the invention
- 2 shows a graphic representation of the current parameter value of the mixture achieved by means of the method according to the invention.
- the device for carrying out the method according to the invention shown schematically in FIG. 1, essentially consists of a bale removal device 2 with a fiber removal member 4 movably arranged along a transport path 3, a sampling device 6 attached to the removal member 4, which is connected via a fiber pattern transport system 13 , e.g. in the form of a mechanical conveyor belt or a pneumatic tube transport system, is connected to an automatic measuring and control device 5.
- a fiber pattern transport system 13 e.g. in the form of a mechanical conveyor belt or a pneumatic tube transport system
- the removal member 4 is connected to the mixer 7 via a fiber transport system 14.
- the bales to be mixed with textile fibers of different quality l a , ... l k , ... l n are arranged on both sides along the transport path 3 of the fiber removal member 4 of the bale removal device 2.
- the fiber ablation element 4 is shifted from one bale to the other by the measuring and control device 5 in order to ablate the quantities and qualities of different fibers required for a desired fiber quality from the individual bales l a , ... l k , ... l n and feed the mixer 7.
- a fiber sample is taken from the processed bale l j ⁇ by means of the sampling device 6 attached to the removal member 4 transported via the fiber pattern transport system 13 to the automatic measuring and control device 5 and analyzed there.
- the fiber sample to be analyzed is preferably taken from the surface of the processed bale 1 ⁇ facing the removal member 4.
- the fiber measuring lines (HVI) from Spinlab Inc. or Motion Control Inc. can be cited as examples of textile analysis devices typically used in measuring and control device 5.
- these analysis devices must be completely automated, so that the sample preparation and the sample transport also take place fully automatically.
- the adaptation of these devices known in textile analysis to a fully automated operation, as takes place in the method according to the invention, can be carried out by the average specialist with the usual knowledge and is therefore not described in more detail here.
- % ... l n can either be determined in a conventional manner before the mixing process and fed into the memory 8 of the measuring and control device 5. But it can also in a first run of the removal of all bales 4 l a, ... ⁇ 1, ... i n per a pattern by means of the sampling device 6 and removed from the measuring and control unit 5, respectively, analyzed and the data determined be stored in memory 8. So that the device can be put into operation, only the desired fiber quality of the fiber mixture to be produced (in the form of maximum and minimum values) has to be entered into the memory 8 of the measuring and control device 5.
- the removal device 4 is now controlled in such a way that the measuring and control device 5, on the basis of the stored quality parameters of the individual bales 1 a ,... 1,... 1 n , and the desired setpoint for the fiber mixture to be achieved
- a removal program is calculated from suitable algorithms present in the memory 8 and can be executed by suitable control of the removal member 4 via the data line 9.
- Such an algorithm can include the following steps, for example: a) calculation of the proportions of each bale in order to achieve the required target values; b) remove fibers by means of removal member 4; c) take fiber samples by means of a sampling device 6; d) Check whether the values of the fiber pattern match those used in step a). If not: correct the values in the memory 8 of the measuring and control device 5 and start again at step a); e) If a further sampling device 16 is installed at the outlet of the mixer 7, take fiber samples at larger intervals and with the desired values to compare. If these do not match, the calculation method of step a) is corrected and step a) is carried out again.
- the removal device 4 is preferably controlled via a digital interface 12 (typically RS232, V24, RS485 or LAN), which determines the location and the respective height of the individual bales 1 a ,. , .l k , ... l n and the pre-calculated amount of the fiber material to be removed.
- a digital interface 12 typically RS232, V24, RS485 or LAN
- the superiority of the method according to the invention is now based on the fact that the quality parameters of the individual bales l a , ... l k , ... l n entered in the memory 8 of the measuring and control device 5 can be continuously updated, so that quality differences in detail Bales fully captured and 'can be taken into account in the mixing algorithm.
- the optimization of the individual fiber parameters takes place in such a way that the measuring and control device 5 calculates the theoretical fiber quality of the continuously achieved mixture on the basis of the continuously determined actual fiber qualities and fiber quantities, which have this quality, and with predetermined target values (maximum limits 10 and Minimum limit 11) is compared and, if necessary, corrected by changing the originally calculated removal program (see FIG. 2).
- the continuously carried out comparative measurements of the fiber parameters can be shown optically (see FIG. 2) and / or processed into acoustic signals, which then enable manual control of the bale removal device 2. However, it is also possible to use these comparison measurements for the automatic control of the bale removal device 2.
- the measuring and control device 5 can also be used to monitor and control a plurality of bale removal devices 2 (two removal lines are shown by way of example in FIG. 2).
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Preliminary Treatment Of Fibers (AREA)
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1393/90A CH681228A5 (de) | 1990-04-25 | 1990-04-25 | |
| CH1393/90 | 1990-04-25 | ||
| PCT/CH1991/000096 WO1991016480A1 (de) | 1990-04-25 | 1991-04-23 | Verfahren zur optimierung der faserqualität |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0479983A1 true EP0479983A1 (de) | 1992-04-15 |
| EP0479983B1 EP0479983B1 (de) | 1995-01-11 |
Family
ID=4209381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP91907547A Expired - Lifetime EP0479983B1 (de) | 1990-04-25 | 1991-04-23 | Verfahren zur optimierung der faserqualität |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5210909A (de) |
| EP (1) | EP0479983B1 (de) |
| JP (1) | JP2961116B2 (de) |
| CH (1) | CH681228A5 (de) |
| DE (1) | DE59104227D1 (de) |
| WO (1) | WO1991016480A1 (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4415796B4 (de) * | 1994-05-05 | 2008-05-08 | TRüTZSCHLER GMBH & CO. KG | Ballenabtragverfahren und Vorrichtung zum Abtragen für in mindestens einer Reihe aufgestellten Faserballen |
| DE19722582A1 (de) * | 1996-08-08 | 1998-02-12 | Truetzschler Gmbh & Co Kg | Verfahren und Vorrichtung in einer Spinnereivorbereitungsanlage (Putzerei) zum Erkennen und Auswerten von Fremdstoffen |
| WO2017059505A1 (en) * | 2015-10-09 | 2017-04-13 | Ww Sistemas Inteligentes Ltda - Me | Cotton mixes homogenization without categorizing bales in inventory |
| DE102015122807A1 (de) * | 2015-12-23 | 2017-06-29 | Temafa Maschinenfabrik Gmbh | Faserbearbeitungsanlage sowie Verfahren zum Öffnen und Mischen von Fasermaterial in einer Faserbearbeitungsanlage |
| US12018404B2 (en) | 2019-07-16 | 2024-06-25 | Robert Czinner | System, controller, and method for decortication processing |
| CH720250A1 (de) * | 2022-11-22 | 2024-05-31 | Uster Technologies Ag | Verfahren zur Untersuchung eines Faserflockenstroms in einer Spinnereivorbereitungsanlage |
| EP4623394A1 (de) * | 2022-11-22 | 2025-10-01 | Uster Technologies AG | Untersuchung von textilfaserballen in der öffnerei einer spinnereivorbereitungsanlage |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1685596B2 (de) * | 1966-12-24 | 1978-06-29 | Schubert & Salzer Maschinenfabrik Ag, 8070 Ingolstadt | Arbeitsverfahren und Vorrichtung zum Zusammenstellen von Fasermischungen |
| US4100651A (en) * | 1977-06-22 | 1978-07-18 | Aldrich Machine Works | Apparatus and method for removing and blending fibers from a plurality of fiber bales |
| SU974196A1 (ru) * | 1981-03-27 | 1982-11-15 | Ташкентское Научно-Производственное Объединение "Сигнал" | Система приемки и контрол хлопка-сырца |
| DE3335792C2 (de) * | 1983-10-01 | 1985-11-28 | Trützschler GmbH & Co KG, 4050 Mönchengladbach | Vorrichtung zur Ermittlung der Lücken zwischen Ballen einer Ballenreihe |
| DE3335763A1 (de) * | 1983-10-01 | 1985-04-18 | Trützschler GmbH & Co KG, 4050 Mönchengladbach | Verfahren und vorrichtung zum zuspeisen von fasermaterial zu einer mehrzahl von faserverarbeitungseinrichtungen |
| GB8524304D0 (en) * | 1985-10-02 | 1985-11-06 | Rieter Ag Maschf | Flock delivery systems |
| AU629231B2 (en) * | 1988-09-06 | 1992-10-01 | Maschinenfabrik Rieter A.G. | A method of blending textile fibres |
| JPH0351321A (ja) * | 1989-07-17 | 1991-03-05 | Ohara Tekkosho:Kk | 混打綿機への原綿秤量・供給装置 |
-
1990
- 1990-04-25 CH CH1393/90A patent/CH681228A5/de not_active IP Right Cessation
-
1991
- 1991-04-23 JP JP3506721A patent/JP2961116B2/ja not_active Expired - Fee Related
- 1991-04-23 US US07/784,420 patent/US5210909A/en not_active Expired - Lifetime
- 1991-04-23 DE DE59104227T patent/DE59104227D1/de not_active Expired - Fee Related
- 1991-04-23 WO PCT/CH1991/000096 patent/WO1991016480A1/de not_active Ceased
- 1991-04-23 EP EP91907547A patent/EP0479983B1/de not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9116480A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0479983B1 (de) | 1995-01-11 |
| WO1991016480A1 (de) | 1991-10-31 |
| JP2961116B2 (ja) | 1999-10-12 |
| JPH04506842A (ja) | 1992-11-26 |
| US5210909A (en) | 1993-05-18 |
| CH681228A5 (de) | 1993-02-15 |
| DE59104227D1 (de) | 1995-02-23 |
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