EP0287921B1 - Platinen-Steuervorrichtung für Offenfach-Jacquardmaschine - Google Patents

Platinen-Steuervorrichtung für Offenfach-Jacquardmaschine Download PDF

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Publication number
EP0287921B1
EP0287921B1 EP88105745A EP88105745A EP0287921B1 EP 0287921 B1 EP0287921 B1 EP 0287921B1 EP 88105745 A EP88105745 A EP 88105745A EP 88105745 A EP88105745 A EP 88105745A EP 0287921 B1 EP0287921 B1 EP 0287921B1
Authority
EP
European Patent Office
Prior art keywords
hook
magnet
control device
hooks
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
Application number
EP88105745A
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German (de)
English (en)
French (fr)
Other versions
EP0287921A1 (de
Inventor
Walter Keim
Kurt Ihle
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Grosse Webereimaschinen GmbH
Original Assignee
Grosse Webereimaschinen GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Grosse Webereimaschinen GmbH filed Critical Grosse Webereimaschinen GmbH
Publication of EP0287921A1 publication Critical patent/EP0287921A1/de
Application granted granted Critical
Publication of EP0287921B1 publication Critical patent/EP0287921B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00—Jacquards
    • D03C3/20—Electrically-operated jacquards

Definitions

  • the invention relates to a circuit board control device for an open-pocket jacquard machine according to the preamble of claim 1.
  • GB-OS 20 47 755. In this known control device, which is the starting point for the present invention, there is a single magnet arranged between the two boards of a pair of boards, the locking only taking place in the high position when the magnet is energized in this position and attracts the board over the considerable air gap.
  • a hook element per circuit board is attached to the support of the single magnet as an intermediate member, the hook of which has to be moved out of the movement path of the circuit board when the magnet is excited and via a likewise substantial air gap for contact with the yoke of the magnet.
  • the invention is based on the knowledge that it is not only sufficient to achieve an electrically controllable control of the circuit boards instead of mechanical control, but that it should also be acted on in the area of the circuit boards. Even if the circuit boards are mechanically deflected and thus brought into a defined position relative to the magnet, its energy requirement can be reduced considerably. However, the conditions are particularly favorable if, in the defined technical position, the circuit board is mechanically forced into contact with the magnet or its poles. Then it is no longer necessary to supply so much energy that an air gap is overcome, rather it is sufficient to supply so much energy that the circuit board sticks. The better the board is mechanically attached to the poles of the magnet, the less energy is required.
  • control, or reading can take place both in the high-level and in the low-level position, in which comparatively low voltage is exerted on the circuit board and therefore wear is low.
  • the magnet itself is designed to be pivotable. This ensures that even if one board should stick, at the latest when the other board of the same board pair is deflected relative to the magnet in such a way that it engages in the magnet, causing the magnet to pivot, that an air gap is forcibly created in the former adhering circuit board, which is why the spring force, possibly even the inherent elasticity, is sufficient to then release the circuit board from the magnet.
  • the circuit board could also be forced into place here by means of an intermediate link.
  • each board 1, 2 is assigned a lifting knife 4 or 5, which can be moved in opposite directions to one another between a high position H and a low position T, as is shown schematically by arrows. 2, the lifting knife 5 is in the high position H while the Lift knife 4 is in the low position T. In the low position T, the lower end of the respective circuit board 1, 2 is supported on a circuit board base 6 shown in FIG. 1, while the stranded wire 7 connecting it passes through the circuit board base 6. With the roller train 3, a warp thread 8 is connected in the usual way, which is given a controlled lifting movement by the up and down movement of the roller train 3.
  • the boards 1, 2 are guided in guides 9 and 10 for straight-line movement between the high position H and the low position T, a restoring force being exerted on the board 1, 2 in the direction of the respectively assigned lifting knife 4, 5 by means of a spring device 11 or 12 , by which it is ensured that a hook 13, 14 located at the upper end of each board 1, 2 can come into engagement with the associated lifting knife 4 or 5, even if, as indicated in FIG. 2, with the board 1 supported in the board bottom 6 the associated lifting knife 4 moves a little further down into the low position T, whereby the engagement between the lifting knife 4 and the hook 13 of the circuit board 1 is released.
  • the position of the sinkers has the possibility of releasing and restoring the engagement between a sinker and the associated lifting knife as desired, in order to be able to achieve a desired jacquard pattern.
  • needle mechanisms which are disengaged in a position in which the circuit board and associated lifting knife are disengaged, move the circuit board out of the movement path of the lifting knife, so that the next time the lifting knife is moved, it is moved past the circuit board controlled in this way and does not take it along. This process is called reading in a pattern or driving according to a pattern.
  • the reading can be done not only mechanically, but, as is customary in more modern machines, also electrically, and in that an electromagnet in one of its excitation states serves to deflect the circuit board and into it to keep the deflected state (controlled state), while in the other state of excitation there is no deflection and the lifting knife can take the board with it. It should also be noted that it is only important to give the roller train a movement and also to move the boards relative to a control device in such a way that the control according to the model is possible.
  • a common electromagnet 15 is provided between the two plates 1 and 2 connected by the roller train 3.
  • the electromagnet 15 is located in a housing 17 mounted in a carrier 16 between the two circuit boards 1 and 2.
  • the electromagnet 15 contains an essentially I-shaped yoke 18, each of which has two poles 19, 20 and 21, 22 each face one of the boards 1 and 2 and protrude outside the housing 17.
  • the electromagnet 15 is arranged in the housing 17 so as to be pivotable about an axis 23 parallel to the extension of the lifting knives 4, 5 and perpendicular to the direction of movement of the plates 1, 2. A special embodiment of how this can be achieved is explained in more detail below.
  • Each board 1, 2 also has a nose 24 or 25, which projects from the respective board 1, 2 in the same direction as the corresponding hooks 13, 14 of the respective board 1 or 2.
  • the tabs 24 , 25 arranged so that the respective lifting knife 4, 5 when the board 1, 2 is supported on the board base 6 and the further downward movement of the lifting knife 4 or 5 of the hooks 13 or 14 is released against the nose 24 or 25 runs and, as shown in FIG. 2, the circuit board 1, 2 comes to bear against the restoring force due to the respective spring device 11, 12 against the poles 19, 20 or 21, 22 of the electromagnet 15. This process is called (mechanical) offering.
  • the electromagnet 15 is pivotable about the axis 23 is ensured that the board 1 or 2 always comes into contact with the associated two poles 19 and 20 or 21 and 22.
  • the side 26, 27 of the circuit board 1 or 2 facing the poles 19, 20 or 21, 22 is advantageously designed to be inclined to the direction of movement of the circuit boards 1, 2.
  • the electromagnet 15 If the electromagnet 15 is energized (activated) during this mechanical offering, the corresponding circuit board (in FIG. 3 the circuit board 1) adheres to the electromagnet 15 and the lifting knife 4 passes by during the lifting movement in the hook 13 without taking the circuit board 1 with it. The circuit board 1 thus remains in the low position T. If, on the other hand, the electromagnet 15 is not energized, the associated circuit board 1 or 2, due to the force of the spring device 11 or 12, returns to the position in which the associated lifting knife 4 or 5 can come into engagement with the hook 13 or 15 as soon as the respective lifting knife 4 or 5 has left the deep position T, in which it has offered the circuit board 1, 2 to the electromagnet 15 by contact with the nose 24 or 25.
  • the circuit board is offered mechanically to the electromagnet, since this means that the circuit board is already mechanically, in particular, at a defined distance from the poles Completely arranged without an air gap at the poles. In the latter case, in particular, only that energy is to be used when actuating, by means of which the already existing circuit board can be held.
  • This adhesive force is significantly lower than that required to overcome an air gap, which in turn depends on the size of the air gap.
  • the energy requirement per electromagnet is significantly reduced, whereby a possible adverse influence on neighboring electromagnets is reliably prevented.
  • This also allows small size for the electromagnet, which is important for design reasons with regard to the entire jacquard machine. In addition, only little heat is developed, which is why cooling measures, if any, are only required to a small extent.
  • the control electronics can also be small in size and therefore preferably arranged close to the electromagnets.
  • a further advantage is that the sections of the electromagnet 15 which project outwards from the housing 17 and face the boards 1, 2 or their rear sides 26 or 27, namely the surfaces of the poles 19 to 22, can be chemically or galvanically treated, preferably hard chrome-plated. This further reduces wear and further improves the adhesive effect.
  • control device according to the application is advantageously suitable for modular construction and is therefore particularly easy to assemble (and easy to maintain).
  • circuit boards and lifting knives are not shown.
  • the electromagnets 15 provided for each pair of circuit boards are likewise arranged in a tightly packed manner in a common housing 17.
  • the housing 17 has frame parts 30, 31 and 32 that run essentially parallel to the direction of extension of the lifting knives 4, 5 (not shown in FIGS. 4 and 5) on which can be supported both in the carrier 16 and in the machine frame 33.
  • two cover plates 34, 35 are provided, one of which carries the pin part 36 of a plug connection.
  • a cavity 37 is formed between the cover plates 34, 35 and the frame parts 31, 32, in which essential parts of the electrical and electronic circuit for controlling the electromagnets 15 can be accommodated, such that only read control signals are supplied via the plug connection must be supplied, which can even be coded.
  • one of the cover plates itself can also be designed as a printed circuit, according to FIG. 5, the cover plate 35.
  • the housing 17 also has two further cover plates 38 and 39 between the frame parts 31 and 30, which define a cavity in which the individual electromagnets 15 are arranged side by side.
  • the cover plates 38, 39 can be formed in one piece with the cover plates 34 and 35, respectively. In the cover plates 38 and 39, the positions of the electromagnets 15 are essentially rectangular openings 40 between which webs 41 remain.
  • the openings 40 and the electromagnets 15 are dimensioned such that only the sections carrying the poles can pass through the openings 40.
  • the control lines 42, 43 for the electromagnet 15 or its coil 44 are expediently inserted in grooves 45 of the frame part 31 and connected to the circuit arrangement connected in the cavity 37 or connected in the cover plate 35, as shown in FIG. 5, in particular if the latter is designed as a printed circuit.
  • openings 40 are of course designed in such a way that the desired pivoting or rocking movement of the electromagnets 15 is made possible.
  • the guides 9 and 10 can also be covered by cover plates 46, 47, which ensures the separation from adjacent modules and simplifies assembly, with adjacent modules also being offset with respect to the position of the circuit boards and thus the guides can.
  • the cover plates 46 can protrude close to the area of the frame parts 30, they can also be shorter, as shown in FIG. 5.
  • Corresponding notches or depressions can additionally be provided in the guides 9, 10 for inserting the leaf springs 28, 29, as is indicated.
  • Fig. 6 shows again enlarged the structure and arrangement of the electromagnet 15 within the housing 17 and the position of the poles 19 to 22 relative to the boards 1 and 2, the latter being shown in broken lines in Figs. 6 and 7, since it is is actually in a different position there.
  • FIG. 6 shows the I-yoke 18 of the electromagnet with the poles 19, 20 or 21, 22 guided to the outside, and the coil 44, the control lines 42, 43 of which are led to the outside.
  • the electromagnet 15 has on both sides of the yoke 18 Section 48 (in the direction of the axis 23) thickening sections 49, 50 (see FIG. 4), which are located within the housing 17 and ensure the support therein.
  • thickening sections 49, 50 see FIG. 4
  • spherical surfaces 51 and 52 facing the respective plates 1, 2 are provided on these thickening sections 49 and 50, which are in line contact with the respective inner side of the web 41 of the respective cover plate 38 and 39 support.
  • an axis 53 parallel to the direction of movement of the circuit boards 1, 2 and an axis 54 perpendicular to it and also passing through the axis 23 are also shown, in the height of which, in the rest state (FIG. 6), the spherical contact surfaces 51 , 52 are in line contact on the inside of the cover plates 38 and 39, respectively.
  • the circuit board 1 is forcibly levered off the poles 19 and thus also 20, so it is an air gap 56 is forcibly generated, as a result of which the circuit board 1 then detaches from the electromagnet 15 in any case. This even if the electromagnet has to stick, i.e. to drive the board 2, should be excited. However, the electromagnet 15 is expediently activated for the purpose of excitation only when the mechanical offering process has ended.
  • the axis 23 runs essentially centrally to the electromagnet 15.
  • this pivot axis 23 can also be arranged elsewhere, it is essential that the electromagnet 15 can carry out a pivoting movement such that the circuit board pivots the electromagnet 15 during mechanical supply in such a way that it is forcibly in a defined position, preferably in contact , the facing two poles of the yoke of the electromagnet 15 comes.
  • the respective board is offered mechanically in the reading position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Electromagnets (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Supply And Installment Of Electrical Components (AREA)
  • Toys (AREA)
  • Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
EP88105745A 1987-04-24 1988-04-11 Platinen-Steuervorrichtung für Offenfach-Jacquardmaschine Expired - Lifetime EP0287921B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3713832 1987-04-24
DE3713832A DE3713832C1 (de) 1987-04-24 1987-04-24 Platinen-Steuervorrichtung fuer Offenfach-Jacquardmaschine

Publications (2)

Publication Number Publication Date
EP0287921A1 EP0287921A1 (de) 1988-10-26
EP0287921B1 true EP0287921B1 (de) 1993-03-10

Family

ID=6326261

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88105745A Expired - Lifetime EP0287921B1 (de) 1987-04-24 1988-04-11 Platinen-Steuervorrichtung für Offenfach-Jacquardmaschine

Country Status (11)

Country Link
US (1) US4936357A (cs)
EP (1) EP0287921B1 (cs)
JP (1) JPS63282333A (cs)
CN (1) CN1020771C (cs)
BR (1) BR8801959A (cs)
CS (1) CS274625B2 (cs)
DD (1) DD281432A5 (cs)
DE (2) DE3713832C1 (cs)
ES (1) ES2038232T3 (cs)
SU (1) SU1584754A3 (cs)
YU (1) YU78988A (cs)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3817417C2 (de) * 1988-05-21 1995-06-01 Schleicher Oskar Fa Fachbildevorrichtung für Textilmaschinen, insbesondere Webmaschinen
GB8827141D0 (en) * 1988-11-21 1988-12-29 Bonas Machine Co Heald control device
DE3902792C1 (de) * 1989-01-31 1990-03-01 Fa. Oskar Schleicher, 4050 Mönchengladbach Platinensteuervorrichtung für Fachbildemaschinen, insbesondere Jaquardmaschinen
GB8902849D0 (en) * 1989-02-09 1989-03-30 Bonas Machine Co Heald rod retention system for use with an electronic jacquard system
FR2646958A1 (fr) * 1989-05-10 1990-11-16 Arcom Systeme de selection mecanique par action electro magnetique d'un systeme autonettoyant permettant une action par poussee ou traction
IT1238334B (it) * 1990-01-23 1993-07-12 Dispositivo elettromagnetico a struttura modulare, attuabile tramite elaboratore, per la selezione programmata e la relativa alzata dei fili di ordito nella produzione di tessuti operati
US5095952A (en) * 1991-01-03 1992-03-17 Yu Hsiu Hsia Cheng Electromagnetic heald rod retention system for a jacquard system
DE4116164A1 (de) * 1991-03-13 1992-09-17 Textilma Ag Fachbildevorrichtung fuer eine textilmaschine
DE4116163A1 (de) * 1991-03-13 1992-09-17 Textilma Ag Fachbildevorrichtung fuer eine textilmaschine
EP0668381B1 (en) * 1994-01-26 1997-06-18 Danilo Jaksic Jacquard machine
GB9422519D0 (en) * 1994-11-08 1995-01-04 Bonas Machine Co Heald control mechanism
DE19501881A1 (de) * 1995-01-23 1996-07-25 Grosse Webereimaschinen Gmbh Fachbilde-Vorrichtung und Verfahren zur Steuerung einer Jacquardmaschine mit drei definierten Fachstellungen
DE69510907T2 (de) * 1995-01-25 1999-11-11 Kayaba Kogyo K.K., Tokio/Tokyo Fadenwahlvorrichtung für Webmaschinen
GB9609425D0 (en) * 1996-05-04 1996-07-10 Bonas Machine Co Heald control mechanism
CN1070551C (zh) * 1996-05-08 2001-09-05 邦纳斯机械有限公司 综杆控制机构
DE29821191U1 (de) * 1998-11-26 1999-02-11 Textilma Ag, Hergiswil Vorrichtung zum Auswählen eines Fadens in einer Textilmaschine und Textilmaschine mit Vorrichtung
DE19855709B4 (de) * 1998-12-03 2008-01-24 Helmut Hechinger Gmbh & Co. Führungsstangen für eine Jacquard-Webeinrichtung
FR2794140B1 (fr) * 1999-05-31 2001-07-13 Staubli Sa Ets Mecanique d'armure de type jacquard et metier a tisser equipe d'une telle mecanique
CN1099481C (zh) * 1999-09-28 2003-01-22 浙江大学电气自动化研究所 双路复合式电磁选针器
CN2390897Y (zh) * 1999-11-05 2000-08-09 张海林 提花机的电子提综机构
US6216749B1 (en) * 1999-12-10 2001-04-17 Wis Seaming Equipment, Inc. Weaving device
FR2846343B1 (fr) * 2002-10-25 2004-12-17 Staubli Lyon Mecanisme de formation de la foule et metier a tisser equipe d'un tel mecanisme
FR2854642B1 (fr) * 2003-05-06 2005-07-08 Staubli Lyon Dispositif de formation de la foule et metier a tisser du type jacquard equipe d'un tel dispositif
JP2007507623A (ja) * 2003-10-02 2007-03-29 アルバニー　インターナショナル　コーポレイション 圧電要素を使用しているコンパクトなジャカード選別カード
DE102005008998B4 (de) * 2005-02-28 2013-11-07 Zhejiang Grosse Precision Machinery Co., Ltd Rollenzug-Element für Jacquardmaschine
CN102002788B (zh) * 2010-12-14 2013-12-25 上海超诚电子科技有限公司 开口装置、开口装置组件及提花机
BE1021506B1 (nl) * 2012-11-19 2015-12-03 Nv Michel Van De Wiele Module geschikt voor inbouw in een jaquardmachine
BE1021951B1 (nl) * 2014-07-18 2016-01-28 Michel Van De Wiele Nv Gaapvormingsinrichting voor een weefmachine
CN105155076B (zh) * 2015-09-25 2017-04-12 浙江慧林智能设备有限公司 电子提花机的电磁阀组件

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Publication number Priority date Publication date Assignee Title
CH409810A (de) * 1963-02-13 1966-03-15 Oerlikon Buehrle Holding Ag Jacquardmaschine mit einzeln elektromagnetisch gesteuerten Litzen
CH471256A (de) * 1967-03-10 1969-04-15 Oerlikon Buehrle Ag Jacquardmaschine mit elektromagnetisch gesteuerten Litzen
DE1804249A1 (de) * 1968-10-21 1970-05-14 Erich Ribler Verfahren und Vorrichtung zur Steuerung von Textilmaschinen
CH550729A (de) * 1972-01-25 1974-06-28 Mueller Jakob Vorrichtung zum bewegen von fadenfuehrungseinrichtungen von textilmaschinen.
GB2047755B (en) * 1979-04-24 1983-03-30 Bonas Machine Co Loom heald control means
CH657162A5 (de) * 1982-07-01 1986-08-15 Textilma Ag Fachbildevorrichtung fuer eine webmaschine.
DE3233547A1 (de) * 1982-09-10 1984-03-15 Fa. Oskar Schleicher, 4050 Mönchengladbach Fachbildevorrichtung fuer textilmaschinen, insbesondere webmaschinen
FR2535742A1 (fr) * 1982-11-04 1984-05-11 Verdol Sa Mecanique d'armure a selection perfectionnee des crochets
GB8306813D0 (en) * 1983-03-11 1983-04-20 Bonas Machine Co Heald control apparatus
GB8432476D0 (en) * 1984-12-21 1985-02-06 Bonas Machine Co Heald rod retention device
FR2586432B1 (fr) * 1985-08-23 1987-11-13 Staubli Verdol Dispositif pour la formation de la foule d'un metier a tisser
FR2586433B1 (fr) * 1985-08-23 1987-11-13 Staubli Verdol Crochet mobile perfectionne pour dispositif de formation de la foule d'un metier a tisser
FR2587045B1 (fr) * 1985-09-06 1987-10-23 Staubli Verdol Dispositif pour la formation de la foule d'un metier a tisser comportant un crochet de retenue basculant

Also Published As

Publication number Publication date
ES2038232T3 (es) 1993-07-16
CS275888A2 (en) 1990-10-12
JPS63282333A (ja) 1988-11-18
DE3878969D1 (de) 1993-04-15
CN1020771C (zh) 1993-05-19
DE3713832C1 (de) 1988-06-23
EP0287921A1 (de) 1988-10-26
DD281432A5 (de) 1990-08-08
CS274625B2 (en) 1991-09-15
BR8801959A (pt) 1988-11-22
US4936357A (en) 1990-06-26
YU78988A (en) 1990-10-31
CN88102440A (zh) 1988-11-09
SU1584754A3 (ru) 1990-08-07

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