EP0633333B1 - Steuerungseinrichtung zum gesteuerten Ausblasen eines Nadelstreifens - Google Patents
Steuerungseinrichtung zum gesteuerten Ausblasen eines Nadelstreifens Download PDFInfo
- Publication number
- EP0633333B1 EP0633333B1 EP19940109358 EP94109358A EP0633333B1 EP 0633333 B1 EP0633333 B1 EP 0633333B1 EP 19940109358 EP19940109358 EP 19940109358 EP 94109358 A EP94109358 A EP 94109358A EP 0633333 B1 EP0633333 B1 EP 0633333B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- control device
- comb
- blow
- blowing
- movement
- 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
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Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G19/00—Combing machines
- D01G19/06—Details
- D01G19/28—Air draught or like pneumatic arrangements
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G19/00—Combing machines
- D01G19/06—Details
- D01G19/22—Arrangements for removing, or disposing of, noil or waste
Definitions
- the invention relates to a control device according to the Preamble of claim 1.
- JP-A-35-14 16 Pneumatic cleaning devices proposed that the fixed comb clean with compressed air in the area of the needles.
- the described JP-A-35 14 16 has in addition blow nozzles, which from outside and across to the fixed comb needles blow.
- DE-PS 37 22 481 which is the closest to the invention shows upcoming state of the art, an embodiment is known, the Compressed air for cleaning directly between the needles or pinstripes in Longitudinal direction of the needles is supplied via a compressed air duct. Thereby it is ensured that the compressed air covers the entire space between reached the needles and thus freed of deposits that go down be blown out.
- the invention is therefore based on the object of providing means which an exact setting even with today's high number of combs of the blowing interval.
- This task is accomplished by moving the pliers or a other machine element coordinated with the movement of the tongs is tapped by sensors and by the sensors emitted signals a microprocessor to control the Blow-out device are transmitted, which is based on a predetermined Program and, using the means provided, an exact setting of the Blow interval allows.
- the Inertia of the valve can be taken into account in the simplest way.
- the senor for scanning the Forceps movement or another coordinated with the forceps movement driven machine element attached in the area of the round comb shaft is, which taps a predetermined angle of rotation of the round comb shaft.
- the blow-out device is also proposed a predetermined lead time in relation to the time of blowing and in To determine dependence of the number of combs.
- the air pressure of the blow-out device can also be controlled via the microprocessor be controlled accordingly.
- the pressure build-up of the air in the blowing device to monitor via a sensor and the control device Submit a means is proposed that allows the system to self-monitored. This means that the actual value of the Pressure build-up can be achieved by comparing the actual value / setpoint in the Control device to be corrected. This also allows internal tolerances or deviations in the system are compensated and the exact setting of the Blow intervals are guaranteed automatically.
- Figure 1 is a pair of pliers 1 with lower pliers 2 and upper pliers 3 shown.
- the upper tongs 3 are about a pivot point 4 on the lower tongs 2 pivotally mounted.
- a Fixed comb 6 attached, via a web 7 with the pliers 2 is detachably connected.
- the fixed comb 6 can accordingly the embodiment according to DE-PS 39 37 899 with an air duct 8 and corresponding ones, not shown here Compressed air channels, be formed between the needles 9.
- On the compressed air duct 8 is connected to a pressure line 10, via which via a valve 11 from a compressed air source 12, Compressed air can be supplied.
- the valve 11 is a Switch 13 actuated, which via a control line 14 from a microprocessor 15 is controlled.
- the microprocessor 15 is via a further path 16 with a display and Input unit 17 connected. Furthermore, it is indicated schematically that a corresponding one on the microprocessor 15 Control program 18 is loaded.
- a circular comb 19 can be rotated below the pliers unit 1 stored, which on part of its circumference with a Comb segment 20 is provided.
- the pliers unit 1 which moves back and forth during operation is mechanical with the drive of the round comb 19 coupled so that the respective position of the pliers unit in relation to the angular position of the comb segment 20 is precisely coordinated.
- the pliers unit is located 1 in its rearmost position, in which it is closed and the fiber beard protruding from the pliers 30 a cotton wool supplied via a feed cylinder 31 32 is presented to the comb segment 20 for combing out.
- a cotton wool supplied via a feed cylinder 31 32 is presented to the comb segment 20 for combing out.
- the pliers unit 1 moves the pliers unit 1 in Direction of the tear-off cylinder 33, during which Moving the pliers opens. That between the tear-off cylinders existing and combed fiber fleece 34 is through a reversing movement of the tear-off cylinder by a certain one Funded back.
- the one from the pliers unit 1 protruding and combed fiber beard 30 moves due to the resolution of the clamping effect upwards and comes with the returned nonwoven 34 in contact.
- a suction channel 35 In this suction channel 35 is located below the Round comb 19 a rotating brush 36, which is used for cleaning of the comb segment 20 is provided.
- the components not released and stripped down remain partly on or between the needles 9 of the Fix comb 6 hang, and would be one if not removed Impairment of the subsequent combing process in the fixed comb 6 lead.
- the fixed comb 6 is therefore, as already described with compressed air channels or with an air channel 8 provided, via which compressed air between the needles 9 after is blown down. This will get the stuck Impurities are blown out and the fixed comb for the subsequent one Combing process cleaned.
- the compressed air which is emitted from a compressed air source 12, reaches the air channel 8 of the fixed comb 6 via a valve 11 and a line 10.
- a microprocessor 15 which controls a switch 13 to open the valve 11 via a path 14.
- the compressed air pulse is applied to the needles 9 in a time interval after the drawn-off fiber beard 30 has passed the needles 9 and before the comb segment 20 sticks into a newly adjusted fiber beard 30.
- the pressure pulse is maintained for a short time after the comb segment 20 has pierced the fiber beard 30.
- this depends on various framework conditions, such as fiber material, stack length, climate, etc.
- the microprocessor 15 receives a signal via the line 24 from a sensor 23, the angular position of the round comb 19 taps over an index disk 22.
- the angular position of the round comb 19 taps over an index disk 22.
- line 10 In order to monitor the compressed air build-up, line 10 a sensor 37 attached, which its actual value signals line 25 transmits to microprocessor 15. In the microprocessor 15 a setpoint / actual value comparison can then take place and any deviations corrected by the following Control can be compensated.
- FIG. 3 schematically shows a side view of the circular comb 19 with the comb segment 20.
- the entire circumference of the circular comb 19 is divided into a forties index. This division corresponds to the division on the index disk 22.
- the index disk 22 is connected in a rotationally fixed manner to the round comb shaft 21 and runs past the fixed sensor 23. To determine the point in time of a particular index position, either all index markings can be tapped individually by the sensor 23 or only one index can be tapped and another index position can be calculated via the rotational speed of the shaft 21. In the present example, the tap corresponds to index I24 or the foremost position of the pliers unit 1.
- the compressed air is blown out between needles 9 for cleaning during the time interval t B .
- the blow-out process in the example shown begins at time T B at index I27 and ends at index I34.
- a compressed air pulse is carried out at a time interval of t B during the comb games at a time interval of t K.
- the compressed air pulses only every other comb play or at other intervals.
- This can be preset in a very simple manner by using a microprocessor 15 via a control panel 17.
- the blowing time T B can be precisely specified or set via the control panel 17 of the control via the microprocessor 15.
- the blowing interval can be easily adapted to changeable general conditions, such as material, climate, stack length and the like.
- the position of the blowing interval in relation to one revolution of the circular comb is only one possible variant in the example shown. A shifting of the blowing interval is also conceivable depending on the application.
- the combing machine During the operation of the combing machine, it is customary to carry out a cleaning interval in slow speed after a certain set time (e.g. 30 minutes). For example, the combing machine is brought down to about 1/9 of the normal number of combs, the speed of the separately driven brush 36 being kept at its operating speed and the power of the suction air S being maintained.
- the blowing time in t B1 increases at the time T L of the slow gear.
- the pressure of the air pulse is increased from P1 to P2 in the present example. This makes it possible to remove stubbornly adhering dirt from the area of the needles 9.
- the time interval t K1 between the individual blowing pulses also increases. As soon as the machine is switched back to overdrive, the blowing intervals are adjusted to the overdrive again.
- microprocessor to control the blow-out device enables an individual, exact and pre-selectable blow-out of the fixed comb needle 9.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Preliminary Treatment Of Fibers (AREA)
Description
- Fig. 1
- einen Teilausschnitt aus einer schematischen Seitenansicht eines Kämmaggregates,
- Fig. 2
- ein Diagramm Luftdruck/Zeit zur Darstellung der Blasimpulse,
- Fig. 3
- eine schematische Seitenansicht eines Rundkammes mit zeitlicher Darstellung des Blasintervalls.
Um den Kämm- und den Lötprozess durch die Druckluftzufuhr nicht negativ zu beeinflussen, ist es notwendig die Druckluftzufuhr zu einem genau definierten Zeitpunkt und in einem genau definierten Zeitintervall zu steuern. Diese Steuerung wird von einem Mikroprozessor 15 durchgeführt, der über einen Pfad 14 einen Schalter 13 zum Öffnen des Ventils 11 ansteuert. Wie nachfolgend näher beschrieben, wird der Druckluftimpuls auf die Nadeln 9 in einen Zeitintervall aufgeschaltet, nachdem der abgezogene Faserbart 30 die Nadeln 9 passiert hat und bevor das Kammsegment 20 in einen neu nachgeführten Faserbart 30 einsticht. Es ist jedoch denkbar, dass, um den neuen Faserbart 30 in das Kammsegment 20 hineinzudrücken, der Druckimpuls noch kurzzeitig aufrechterhalten wird, nachdem das Kammsegment 20 in den Faserbart 30 eingestochen hat. Dies hängt jedoch von verschiedenen Rahmenbedingungen, wie zum Beispiel Fasermaterial, Stapellänge, Klima usw., ab.
Claims (9)
- Steuerungseinrichtung zum gesteuerten Ausblasen eines Nadelstreifens, insbesondere eines Fixkammes (6) einer Kämmaschine, mittels einer Ausblasvorrichtung (8,10,11,12,13), über welche Druckluft zwischen die freien Durchgänge des Nadelstreifens (9) in zeitlichen Abständen geblasen wird und die Ausblasvorrichtung (8,10,11,12,13) durch die Bewegung der Zange (1) während eines Kammspiels oder einem anderen mit der Zangenbewegung koordiniert angetriebenen Maschinenelement (19) der Kämmaschine ausgelöst wird,
dadurch gekennzeichnet, dass die Bewegung der Zange (1) oder einem anderen mit der Zangenbewegung koordiniert angetriebenen Maschinenelement (19) durch Sensoren (23) abgegriffen wird und die von den Sensoren (23) abgegebenen Signale einem Mikroprozessor (15) zur Ansteuerung der Ausblasvorrichtung (8,10,11,12,13) übermittelt werden, welcher anhand eines vorgegebenen Programmes und anhand vorgesehener Mittel eine exakte Einstellung des Blasintervalls ermöglicht. - Steuerungseinrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Drehwinkel der Rundkammwelle (21) abgetastet wird.
- Steuerungseinrichtung nach einem der Ansprüche 1 bis 2, dadurch gekennzeichnet, dass der Steuerimpuls vom Mikroprozessor (15) zur Ansteuerung der Ausblaseinrichtung (8,10,11,12,13) mit einer vorgegebenen Vorlaufzeit (t) in bezug auf den Blaszeitpunkt (TB) und in Abhängigkeit der Kammspielzahl erfolgt.
- Steuerungseinrichtung nach Anspruch 3, dadurch gekennzeichnet, dass die Vorlaufzeit (t) einstellbar ist.
- Steuerungseinrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Luftdruck der Ausblaseinrichtung (8,10,11,12,13) einstellbar ist.
- Steuerungseinrichtung nach Anspruch 5, dadurch gekennzeichnet, dass die Verstellung des Luftdruckes anhand eines vorgegebenen Zeitintervalls in bezug auf die Maschinenlaufzeit erfolgt.
- Steuerungseinrichtung nach Anspruch 6, dadurch gekennzeichnet, dass ein erster Luftdruck (P1) während des Schnellganges der Kämmaschine und ein zweiter geänderter Luftdruck (P2) nach einem vorgegebenen Zeitintervall während des Langsamganges der Kämmaschine aufgeschaltet wird.
- Steuerungseinrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Dauer des Blasintervalls in Abhängigkeit der Kammspielzahl einstellbar, bzw. (tB) vorwählbar ist.
- Steuereinrichtung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass der Verlauf des Druckaufbaus in der Ausblasvorrichtung (8,10,11,12,13) über einen Sensor (37) gemessen und der Steuerungseinrichtung übermittelt wird.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH202693 | 1993-07-06 | ||
CH2026/93 | 1993-07-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0633333A1 EP0633333A1 (de) | 1995-01-11 |
EP0633333B1 true EP0633333B1 (de) | 1998-04-01 |
Family
ID=4224191
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19940109358 Expired - Lifetime EP0633333B1 (de) | 1993-07-06 | 1994-06-17 | Steuerungseinrichtung zum gesteuerten Ausblasen eines Nadelstreifens |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0633333B1 (de) |
JP (1) | JPH0748724A (de) |
CN (1) | CN1105073A (de) |
DE (1) | DE59405559D1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10330458A1 (de) * | 2003-07-05 | 2005-02-10 | Staedtler + Uhl Kg | Steuervorrichtung zur Steuerung von Blas- und/oder Saugintervallen zur Reinigung einer Garnitur einer textilen Kämm-Maschine |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1039538C (zh) * | 1993-05-20 | 1998-08-19 | 朱西群 | 防水涂料及其生产工艺 |
DE19951126A1 (de) * | 1999-10-23 | 2001-04-26 | Staedtler & Uhl | Fixkamm |
DE20003070U1 (de) * | 2000-02-19 | 2000-04-20 | Staedtler & Uhl | Fixkamm für eine Kämm-Maschine |
DE102005056571B8 (de) * | 2005-11-25 | 2010-05-27 | Oerlikon Textile Gmbh & Co. Kg | Kämmmaschine mit Drehstellungs-Antrieb |
DE212009000042U1 (de) | 2008-04-07 | 2010-12-23 | Marzoli S.P.A., Palazzolo Sull'oglio | Blas-Regel- bzw. - Steuervorrichtung für geradlinige Kämme einer Kämmmaschine |
CH708416A2 (de) * | 2013-08-06 | 2015-02-13 | Rieter Ag Maschf | Reinigungsvorrichtung für einen Rundkamm einer Kämmmaschine. |
CN104047078B (zh) * | 2014-06-23 | 2016-12-07 | 海门市彼维知识产权服务有限公司 | 一种防卡死梳针结构 |
DE102014009690A1 (de) * | 2014-07-02 | 2016-01-07 | TRüTZSCHLER GMBH & CO. KG | Vorrichtung in der Spinnereivorbereitung, Ginnerei o. dgl. zum Erkennen und Ausscheiden von Fremdstoffen in oder zwischen Fasermaterial, insbesondere Baumwolle |
KR101600986B1 (ko) * | 2015-06-30 | 2016-03-11 | 오석건설 주식회사 | 포장재의 내구성이 우수한 확장형 인도교 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3815896A1 (de) * | 1988-05-10 | 1989-11-23 | Staedtler & Uhl | Putzklingenanordnung fuer kaemme, insbesondere fixkaemme, an textilfaser-kaemm-maschinen, insbesondere baumwoll-kaemm-maschinen |
CH676721A5 (de) * | 1988-12-23 | 1991-02-28 | Rieter Ag Maschf | |
DE3937899C1 (de) * | 1989-11-15 | 1991-01-10 | Staedtler & Uhl, 8540 Schwabach, De | |
CH680928A5 (de) * | 1990-02-26 | 1992-12-15 | Rieter Ag Maschf | |
DE4130496A1 (de) * | 1991-09-13 | 1993-03-18 | Staedtler & Uhl | Verfahren zum reinigen eines nadelstreifens, insbesondere eines fixkamms fuer textilvorbereitungsmaschinen, und nadelstreifen zur durchfuehrung des verfahrens |
-
1994
- 1994-06-17 EP EP19940109358 patent/EP0633333B1/de not_active Expired - Lifetime
- 1994-06-17 DE DE59405559T patent/DE59405559D1/de not_active Expired - Lifetime
- 1994-07-05 JP JP15392194A patent/JPH0748724A/ja active Pending
- 1994-07-05 CN CN 94108276 patent/CN1105073A/zh active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10330458A1 (de) * | 2003-07-05 | 2005-02-10 | Staedtler + Uhl Kg | Steuervorrichtung zur Steuerung von Blas- und/oder Saugintervallen zur Reinigung einer Garnitur einer textilen Kämm-Maschine |
Also Published As
Publication number | Publication date |
---|---|
JPH0748724A (ja) | 1995-02-21 |
CN1105073A (zh) | 1995-07-12 |
EP0633333A1 (de) | 1995-01-11 |
DE59405559D1 (de) | 1998-05-07 |
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