EP1122348A1 - Antriebsvorrichtung für den Messerschlitten einer Doppelflorwebmaschine - Google Patents
Antriebsvorrichtung für den Messerschlitten einer Doppelflorwebmaschine Download PDFInfo
- Publication number
- EP1122348A1 EP1122348A1 EP01101791A EP01101791A EP1122348A1 EP 1122348 A1 EP1122348 A1 EP 1122348A1 EP 01101791 A EP01101791 A EP 01101791A EP 01101791 A EP01101791 A EP 01101791A EP 1122348 A1 EP1122348 A1 EP 1122348A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- knife
- knife carriage
- assigned
- toothed belt
- carriage
- 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
- 238000009941 weaving Methods 0.000 claims abstract description 18
- 239000004744 fabric Substances 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 230000008878 coupling Effects 0.000 claims abstract description 5
- 238000010168 coupling process Methods 0.000 claims abstract description 5
- 238000005859 coupling reaction Methods 0.000 claims abstract description 5
- 230000002441 reversible effect Effects 0.000 claims abstract description 4
- 238000005520 cutting process Methods 0.000 claims description 12
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 14
- 230000001133 acceleration Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 2
- 210000003746 feather Anatomy 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D39/00—Pile-fabric looms
- D03D39/16—Double-plush looms, i.e. for weaving two pile fabrics face-to-face
- D03D39/18—Separating the two plush layers, e.g. by cutting
Definitions
- the invention relates to a drive device for the knife carriage of a double pile weaving machine for separating a double pile fabric in the polar plane with a reversible servo motor that can be controlled according to specified programs, to which a distance scale and an encoder for recording current distance units are assigned are, and with at least one transmission element for transmitting the Drive movement on the knife carriage movable along a guide rail.
- a drive device of the type described is u. a. by GB 890 393 known.
- the knife carriage that can be moved back and forth on a guide rail is driven by a reversibly controllable motor. Switching the Direction of drive takes place through stationary, representing certain geometric positions Contacts. These are proportional to the stroke movement of the Knife carriage switched sensors switched.
- the transmission of the drive movement a cord is attached to the knife carriage.
- the two ends of the Cord are in different directions, spiraling on the reversibly driven Drive drum wound up and are finally fixed with this connected.
- Such a drive device has several disadvantages.
- the knife carriage follows the specified drive movement only delayed.
- the speed of the knife in the tissue can not can be precisely defined. In any case, it is different. This changes the Cutting characteristics.
- the actual stroke of the knife carriage becomes uncontrollable large. It is not possible to perform any operations on the knife carriage that require precise positioning of the same. Another disadvantage This device is the high energy requirement for repeated acceleration and decelerating the mass-intensive drive drum.
- This form of drive enables a constant speed of the Knife during the cutting process in the tissue.
- the position and the stroke of the knife carriage can always be precisely defined.
- a major disadvantage of this device is that it does not with reasonable effort to different fabric widths and to different Pole formation process (two or three turns) can be adjusted. It is also not possible to move the knife carriage at a precisely definable position Bring to a standstill and maintenance processes on the knife carriage automatically to execute.
- the pin inserted in the toothed belt is destroyed the timing belt for those caused by acceleration and deceleration Loads within a very short time.
- the object of the present invention is to provide a drive device for a To propose knife slides, which makes it possible even at high working speeds the weaving machine and with highly effective pile binding processes Knife sledge always with a controllable speed and with a defined one Drive trajectory and create opportunities for maintenance operations to automate on the knife carriage.
- toothed belt is used as the transmission element according to claim 2, can to implement the invention with proven and available technical means.
- a particularly advantageous design of the knife carriage drive for very wide weaving machines describes claim 3.
- the expansion of the toothed belt can thus be reduced by more than 50%.
- the working speed of the weaving machine can be chosen significantly higher.
- the embodiment according to claim 4 enables the realization of the invention by means of space-saving means.
- the version with a linear motor - according to claim 5 - has the significant advantage of further reducing the masses to be moved.
- the modification of the knife carriage according to claim 6 allowed by the now possible exact positioning of the knife carriage the automatic Readjusting the knife without operator intervention.
- the knife carriage 3 is for this purpose in a manner known per se on a guided on the frame of the machine stably mounted guide rail 2.
- the knife sledge 3 carries and guides the knife 31 on its upper side. This knife 31 is pressed against the knife carriage 3 by the clamping plate 32.
- the clamping lever 34 which presses on the knife carriage 3 takes over this pressing is pivotally guided by means of bearings 33.
- the necessary clamping force is provided by a Spring 341 applied.
- the knife 31 has upward projections at its rear end attack the pressure bolts 311, each loaded by a spring 312.
- the Tensioning lever 34 can be in a predetermined position of the knife carriage 3 the stop 21 are operated by a pusher lever 24 so that it Knife 31 releases and the pressure pin 311 the same against the z. B. fixed to the frame Can push stop 21.
- the knife carriage 3 has on its underside elements of a coupling 35 and 35 ', which is a strand of the toothed belt 45 detachable and form-fitting with the knife carriage 3 connect.
- the knife carriage 3 described here has the task, for. B. the during a Working cycle of the pile weaving machine manufactured during a movement cut along the fabric 1.
- a grinding operation is carried out on the knife 31.
- the permanent regrinding naturally also leads to a shift of the Cutting edge of the knife 31 in relation to the guidance of the tissue in the Cutting zone.
- a sensor 26 regularly checks the position of the knife edge Intervals. If a given positional deviation is determined, it is necessary to adjust the knife 31.
- This readjustment movement is in the design of the knife carriage 3 according to the 1 and 2 in that the knife carriage 3 first in a Position is spent in which the cutting edge of the knife 31 is fixed to the frame Stop 21 is opposite and the trigger lever 24 the clamping lever 34 so actuates that it releases the knife 31 and the pressure bolts 311 the knife 31 can push against the stop 21.
- the trigger lever 24 reproduces the clamping lever 34 free and the knife carriage 3 can over a certain period of time Sensor 26 limited by its renewed signal, the separation of the double pile tissue 1 continue.
- the knife carriage 3 is a Drive device assigned, which makes it possible even with very large fabric widths and high weaving progress per unit of time, the knife slide 3 one To give drive movement that can be controlled at any time and the respective Conditions can be adjusted.
- FIG. 7 The basic diagram of such a drive is shown in FIG. 7.
- An endless one Toothed belt 45 is guided over two toothed belt pulleys 43, 43 '.
- the toothed belt pulley 43 receives its drive movement from the reversibly controllable servo motor 41 via the toothed belt 42.
- the servo motor 41 has for execution a predetermined control program of its movement with a disc 411 Angle division, which we would like to call the "scale". That scale is a fixed encoder 412 (Fig. 3) assigned, the pulses of which are consecutive Trigger program steps for the movement of the servo motor 41.
- Toothed belt 45 can also both toothed belt pulleys 43, 43 'one each Assign servo motor 41.
- control programs are executed in the usual way by the machine control 7 so specified that the synchronism with other drives of the weaving machine can be guaranteed.
- FIG. 3 shows a position of the knife carriage 3, in which has moved to the right out of tissue 1.
- the knife sledge 3 has passed the grinding head 25 and is in the area of the sensor 26. If the encoder 26 places an insufficient knife board in this position fixed, the trigger lever 24 is driven when the knife carriage 3 before Stop 21 stands. This then presses the clamping lever 34 down. The knife 31 is released and comes under the action of the pressure pin 311 in the predetermined Position at stop 21.
- the knife 31 may be effective of a stop (not shown) on the knife carriage no longer in the TARGET position (Fig. 2) are moved.
- the sensor signals 26 of the machine control 7 this state.
- the machine is after one the specified program is stopped and the display shows that an exchange of the knife 31 by the operating personnel is required.
- 4 and 5 are two fundamentally different drives for the knife carriage 3 shown.
- 4 consists of a linear motor 6, on the guide rail 2 ', which serves here as a stator, with its Runner can be moved back and forth according to a predetermined program.
- the one for that necessary energy for driving the rotor 61 and for the control required information is supplied to the rotor via sliding contacts 62.
- the guide rail 2 is provided with markings. These represent in their entirety a distance scale 611 - analogous to the angle plate 411 of the servo motor 41 -.
- a transmitter 612 on the rotor 61 detects the respective position and releases the corresponding one Program sections for driving the rotor 61.
- the runner 61 is positively connected to the knife carriage 3 via a coupling 63, so that the drive movement generated is transferred to the knife carriage 3 without play becomes.
- a drive device of this type is useful when the loom has a very large working width.
- the masses to be moved can be on one Minimum be reduced.
- Such a drive with a linear motor is - from the basic concept - also a drive concept similar, in which a servo motor mounted on the knife carriage 3 with its drive pinion on a rack or the like along the Guide rail 2 rolls.
- the transmission of electrical drive energy and In this case, the control signals can be sent via flexible cables or sliding contacts respectively.
- the necessary control information could also be transmitted wirelessly.
- the servo motor 51 has - in the usual way - a scale 511 in the form of an angle disk and an encoder 512.
- the adjustment process is carried out - as already described - not with every double stroke, but only at longer intervals. For this reason, sections S1 and S3 can be designed so that in As a rule, optimal accelerations and decelerations can be realized.
- Stopping the machine for the execution of an adjustment process can even be avoided under certain circumstances. In any case there is an intervention of the operating personnel to implement the readjustment process completely avoidable.
- the braking energy then does not have to be converted into heat. It stands by considerable part for consumers other than electrical energy.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
Abstract
Description
- Fig. 1
- einen Querschnitt entlang der Linie I - I in Fig. 2 durch einen Messerschlitten mit Mitteln für das Nachstellen des Messers,
- Fig. 2
- eine vereinfachte Draufsicht auf den Messerschlitten nach Fig. 1,
- Fig. 3
- eine Antriebsanordnung für einen Messerschlitten unter Verwendung eines Zahnriemengetriebes in einer vereinfachten Ansicht von oben,
- Fig. 4
- eine schematische Darstellung eines Linearmotorenantriebes für den Messerschlitten in einer Ansicht von der Vorderseite der Maschine,
- Fig. 5
- eine schematische Darstellung eines Spindelantriebes von oben,
- Fig. 6
- ein Weg-Geschwindigkeits-Diagramm für den Antrieb eines Messerschlittens und
- Fig. 7
- eine schematische Gesamtanordnung des Messerschlittenantriebes.
- 1
- Doppelte ppichgewe be
- 11
- Teppichgewebe, oberes
- 12
- Teppichgewebe, unteres
- 2
- Führungsschiene
- 21
- Anschlag
- 22
- Gewebeführung
- 23
- Gewebeführung
- 24
- Drückerhebel
- 25, 25'
- Schleifkopf
- 26
- Sensor
- 3
- Messerschlitten
- 31
- Messer
- 311
- Druckbolzen (Stellglied)
- 312
- Feder
- 32
- Spannplatte
- 33
- Lager
- 34
- Spannhebel
- 341
- Feder
- 35, 35'
- Kupplung
- 36
- Magnetstößel
- 4
- Zahnriementrieb
- 41
- Servomotor
- 411
- Maßstab
- 412
- Geber
- 42
- Zahnriemen
- 43
- Zahnriemenscheibe
- 44
- Führungsrolle
- 45
- Zahnriemen
- 5
- Spindeltrieb
- 51
- Servomotor
- 511
- Maßstab
- 512
- Geber
- 52
- Spindel
- 53
- Mutter
- 6
- Linearmotorenantrieb
- 61
- Läufer
- 611
- Maßstab
- 612
- Geber
- 62
- Schleifkontakt
- 7
- Maschinensteuerung
- 71
- Steuereinheit
- V
- Geschwindigkeit
- S
- Weg
- S1
- Beschleunigu ngsabsch nitt
- S2
- Schneidabschnitt (innerhalb des Gewebes)
- S3
- Verzögerungsabschnitt
- Sg
- Gesamtweg
Claims (6)
- Antriebsvorrichtung für den Messerschlitten für das Trennen eines Doppelflorgewebes in der Po!ebene an einer Doppelflorwebmaschine, mit einem reversibel, entsprechend vorgegebener Programme ansteuerbarem Servomotor, dem ein Wegmaßstab und ein Geber zur Erfassung von aktuellen Wegeinheiten zugeordnet sind, und mit mindestens einem Übertragungsglied zur Übertragung der Antriebsbewegung auf den entlang einer Führungsschiene bewegbaren Messerschlitten,
dadurch gekennzeichnet,
dass zwischen dem Messerschlitten (3) und der Einheit Geber/Wegmaßstab (411, 412; 511, 512; 611, 612) praktisch unelastische, formschlüssig eingefügte Übertragungsglieder (Zahnriemen 42, 45; Spindel 52, Mutter 53; Kupplung 63) angeordnet sind. - Antriebsvorrichtung nach Anspruch 1, dadurch gekennzeichnet,dass die Einheit Geber/Wegmaßstab (411, 412) dem gestellfest gelagertemordneten Servomotor (41) zugeordnet ist,dass dem Servomotor (41) als Übertragungsglied mindestens ein Zahnriemen (42, 45) zugeordnet ist unddass der Messerschlitten (3) mit einem Trum des Zahnriemens (45) formschlüssig verbunden ist.
- Antriebsvorrichtung nach Anspruch 1 und 2, dadurch gekennzeichnet,dass der Zahnriemen (45) endlos über zwei Zahnriemenscheiben (43, 43') geführt ist unddass beide Zahnriemenscheiben (43, 43') mit untereinander synchron angesteuerten Servomotoren (41) antriebsverbunden sind.
- Antriebsvorrichtung nach Anspruch 1, dadurch gekennzeichnet,dass die Einheit Geber/Wegmaßstab (511, 512) dem gestellfest gelagerten Servomotor (51) zugeordnet ist,dass dem Servomotor (51) als Übertragungsglied eine parallel zur Führungsschiene (2) ausgerichtete Spindel (52) zugeordnet ist unddass der Messerschlitten (3) mit einer auf der Spindel geführten Mutter (53) in seiner Bewegungsrichtung formschlüssig verbunden ist.
- Antriebsvorrichtung nach Anspruch 1, dadurch gekennzeichnet,dass der Servomotor als Linearmotor ausgebildet ist, dessen Stator Bestandteil der Führungsschiene (2) und dessen Läufer (61) mit dem Messerschlitten (3) verbunden istdass der Geber (612) dem Läufer (61) und der Wegmaßstab (611) der Führungsschiene (2) zugeordnet ist.
- Antriebsvorrichtung nach Anspruch 1, dadurch gekennzeichnet,dass dem Messerschlitten (3)in einer vorgegebenen Position ein Sensor (26) zum Erfassen des Messervorstan des,in einer zweiten vorgegebenen Position eine Vorrichtung (Anschlag 25, Drückerhebel 24) zum zeitweiligen Lösen der Verbindung zwischen Messer (31) und Messerschlitten (3) zugeordnet sind unddass dem Messer (31) Stellglieder (z. B. Druckbolzen 311) zum Verschieben derselben, im gelösten Zustand des Messers, relativ zum Messerschlitten (3), in eine vorgegebene Schneidposition zugeordnet sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10004904 | 2000-02-04 | ||
DE10004904A DE10004904C1 (de) | 2000-02-04 | 2000-02-04 | Antriebsvorrichtung für den Messerschlitten einer Doppelflorwebmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1122348A1 true EP1122348A1 (de) | 2001-08-08 |
EP1122348B1 EP1122348B1 (de) | 2004-12-01 |
Family
ID=7629800
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01101791A Expired - Lifetime EP1122348B1 (de) | 2000-02-04 | 2001-01-26 | Antriebsvorrichtung für den Messerschlitten einer Doppelflorwebmaschine |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1122348B1 (de) |
DE (2) | DE10004904C1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2554728A1 (de) | 2011-08-01 | 2013-02-06 | SCHÖNHERR Textilmaschinenbau GmbH | Verfahren zum Schneiden von Polkettgarn und zur Implementierung solch eines Verfahrens angepasster Doppelteppichwebstuhl |
WO2018011770A1 (en) * | 2016-07-15 | 2018-01-18 | Nv Michel Van De Wiele | Device for cutting through pile threads on a weaving machine |
CN107761226A (zh) * | 2017-11-28 | 2018-03-06 | 江苏友诚数控科技有限公司 | 一种割绒毛巾织机送经纱装置 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE50207112D1 (de) * | 2002-08-24 | 2006-07-20 | Schoenherr Textilmaschinenbau | Verfahren und Vorrichtung zum Steuern des Antriebes für den Messerschlitten einer Doppelflorwebmaschine |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1075059B (de) * | 1960-02-04 | Ross Washer, New York N Y (V St A) | Webstuhl fur Doppelsamt od dgl mit einer Vorrichtung zum Aus emanderschneiden des Doppelsamtes | |
GB890393A (en) * | 1959-09-18 | 1962-02-28 | Wilson & Longbottom Ltd | Improvements in pile cutting mechanism for looms weaving a face to face double pile fabric |
FR2375363A1 (fr) * | 1976-12-27 | 1978-07-21 | Girmes Werke Ag | Appareil pour la separation de bandes de peluche double |
DE3420106C1 (de) * | 1984-05-26 | 1985-08-29 | Hermann 4060 Viersen Kohnen | Schneidwerk für Polgewebe |
EP0993906A1 (de) * | 1998-10-12 | 2000-04-19 | N.V. Michel Van de Wiele | Schärfvorrichtung für das Schneidmesser einer Doppelstück-Webmaschine |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2852424C2 (de) * | 1978-12-04 | 1982-03-11 | Scheibler Peltzer Gmbh & Co, 4150 Krefeld | Schneidvorrichtung einer Doppelflor-Webmaschine |
DE19536002A1 (de) * | 1995-09-28 | 1997-04-03 | Chemnitzer Webmasch Gmbh | Antriebsvorrichtung für den Messerschlitten zum Trennen von Obergewebe und Untergewebe |
-
2000
- 2000-02-04 DE DE10004904A patent/DE10004904C1/de not_active Expired - Fee Related
-
2001
- 2001-01-26 EP EP01101791A patent/EP1122348B1/de not_active Expired - Lifetime
- 2001-01-26 DE DE50104640T patent/DE50104640D1/de not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1075059B (de) * | 1960-02-04 | Ross Washer, New York N Y (V St A) | Webstuhl fur Doppelsamt od dgl mit einer Vorrichtung zum Aus emanderschneiden des Doppelsamtes | |
GB890393A (en) * | 1959-09-18 | 1962-02-28 | Wilson & Longbottom Ltd | Improvements in pile cutting mechanism for looms weaving a face to face double pile fabric |
FR2375363A1 (fr) * | 1976-12-27 | 1978-07-21 | Girmes Werke Ag | Appareil pour la separation de bandes de peluche double |
DE3420106C1 (de) * | 1984-05-26 | 1985-08-29 | Hermann 4060 Viersen Kohnen | Schneidwerk für Polgewebe |
EP0993906A1 (de) * | 1998-10-12 | 2000-04-19 | N.V. Michel Van de Wiele | Schärfvorrichtung für das Schneidmesser einer Doppelstück-Webmaschine |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2554728A1 (de) | 2011-08-01 | 2013-02-06 | SCHÖNHERR Textilmaschinenbau GmbH | Verfahren zum Schneiden von Polkettgarn und zur Implementierung solch eines Verfahrens angepasster Doppelteppichwebstuhl |
WO2018011770A1 (en) * | 2016-07-15 | 2018-01-18 | Nv Michel Van De Wiele | Device for cutting through pile threads on a weaving machine |
BE1024400B1 (nl) * | 2016-07-15 | 2018-02-13 | Michel Van De Wiele Nv | Inrichting voor het doorsnijden van pooldraden op een weefmachine |
CN109477259A (zh) * | 2016-07-15 | 2019-03-15 | 米歇尔.范德威尔公司 | 用于在织机上切割绒头线的装置 |
US10988870B2 (en) | 2016-07-15 | 2021-04-27 | Nv Michel Van De Wiele | Device for cutting through pile threads on a weaving machine |
CN107761226A (zh) * | 2017-11-28 | 2018-03-06 | 江苏友诚数控科技有限公司 | 一种割绒毛巾织机送经纱装置 |
Also Published As
Publication number | Publication date |
---|---|
DE50104640D1 (de) | 2005-01-05 |
EP1122348B1 (de) | 2004-12-01 |
DE10004904C1 (de) | 2001-05-10 |
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