EP0098428A2 - Dispositif de formation de la foule pour un métier à tisser - Google Patents
Dispositif de formation de la foule pour un métier à tisser Download PDFInfo
- Publication number
- EP0098428A2 EP0098428A2 EP83105925A EP83105925A EP0098428A2 EP 0098428 A2 EP0098428 A2 EP 0098428A2 EP 83105925 A EP83105925 A EP 83105925A EP 83105925 A EP83105925 A EP 83105925A EP 0098428 A2 EP0098428 A2 EP 0098428A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- rods
- holding elements
- electromagnet
- holding
- parts
- 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
Images
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 present invention relates to a shedding device for a weaving machine, in particular a jacquard machine, with two rods connected at one end to the heald, which can be moved between an upper and lower position, with the rods associated with flexible holding elements held at one end in a holder, in order to hold the flexible rods Hold rods in an end position, wherein the associated rods and holding elements are provided at the free end with complementary sections which can be brought into engagement with one another in order to use an electromagnet, which is arranged between the holding elements and held on the holder, relative to the holding elements deflect to the rods and bring the mutually associated rods and holding elements in and out of engagement.
- a shedding device for a jacquard machine contains two rods which are moved back and forth by assigned knives, are connected at one end to a strand guided over the pulley, and at the other end have means for holding the rods in one position, a holding device which can be brought into and out of engagement with the means on the rods and a control device for bringing the rods into and out of engagement with the holding device.
- Such a device is disclosed in GB-A 2 047 755 device described, in which the holding device and control device is combined to form a structural unit.
- This assembly hereinafter referred to as the control device, has two flexible holding elements and an electromagnet which is arranged between the holding elements in order to deflect the holding elements with respect to the electromagnet and to bring the holding elements and the rods into and out of engagement.
- the holding elements are attached at one end to a holder, from which the electromagnet also projects with an exposed core part.
- a hook and an opening are provided on the holding element and on the rod.
- the corresponding holding element will engage with its hook in the opening on the rod and hold the rod back when the electromagnet is de-energized. If, on the other hand, the electromagnet is excited, the holding element is pulled against the exposed core part of the electromagnet, so that the hook on the holding element cannot engage in the opening.
- This embodiment essentially has the disadvantage that a relatively strong magnetic field has to be built up in order to pull both holding elements against the core of the electromagnet, whereby the weakening of the magnetic field has to be taken into account, which is caused by the non-synchronous tightening of the holding elements by the electromagnet and thus premature closure of the magnetic circuit on one side of the electromagnet is effected.
- This requires a high performance of the electromagnet, which results in a stronger and undesirable heating.
- the invention seeks to remedy this.
- the invention as characterized in claim 1, solves the problem of creating a shedding device of the type mentioned, in which the deflection of the core, the use of anchor parts and the adjustment of the air gap between the core and the anchor part on the one hand, the Power consumption of the electromagnet is reduced and the undesired heating is reduced and on the other hand the attraction of the armature parts is ensured, even if the magnetic circuit on one side of the core is already closed by an armature part.
- the advantages of the present invention are essentially to be seen in the fact that by adjusting the air gap between the core and the armature part, the tightening force to be applied can be kept considerably lower and, as a result, a relatively low supply voltage is required to excite the electromagnet and that only for the function of the device a holding element is decisive, namely that which is assigned to the rod moving in the direction of the electromagnet.
- a projection is provided on one of the mutually associated rods and holding elements next to the complementary sections.
- the armature part is made of magnetically soft material and the holding element is made of magnetically hard material and if a means of non-magnetic material is provided, such that when the holding element is deflected element between the narrower flange part and the anchor part there is a predetermined distance.
- the risk that the holding element will not reset when the electromagnet is de-energized can be eliminated and the holding element is designed such that it essentially only has to bring about the resetting.
- the holding element is made of rustproof material, if the holding element is prestressed, in such a way that, in the deflected state, it has a restoring force with a target value that is matched to the holding force of the electromagnet, and if the holder has two stop elements is provided.
- the movement of the holding elements away from the electromagnet can be limited and, on the other hand, the vibrations occurring when the holding elements are reset can also be damped in an advantageous manner, as a result of which perfect functioning can be ensured.
- the shedding device contains two rods 1 which are arranged at a distance from one another and can be moved back and forth by assigned knives 2.
- the rods 1 are connected in a known manner at one end to the strand 3, which is guided via the block and tackle 4 which produces the connection to the warp threads.
- the rods 1 are with provided with a hook 5 and guided in a guide device 6a, 6b.
- the rods 1 are guided on both sides by guide pieces in order to prevent them from being deflected when the rods 1 are displaced in the direction of the electromagnet 10.
- a holding element 7 is assigned to each rod 1.
- the holding elements 7 are cast at a distance which is substantially equal to the distance between the rods 1, at one end in a holder 8 made of plastic and at the other, the free end with an opening 9 into which the hook 5 of the corresponding rod 1 can intervene.
- An electromagnet 10 is arranged between the holding elements 7 and consists of an I-shaped core 11 with rectangular flange parts 12, 13 of different widths and a winding 14.
- the electromagnet is attached to the holder 8 so that the narrower flange part 13 is closer to the free end of the holding elements 7.
- armature parts 15 are fastened and arranged such that on the one hand they rest on the wider flange part 12 and on the other hand an air gap is present between them and the narrower flange part 13.
- holes 16, 17 are provided in the holding elements 7.
- the surfaces 18, 19 of the flange parts 12, 13 facing the anchor parts 15 are formed lying in one plane, so that the anchor parts 15 can be placed on the surfaces 19 of the flange parts 12.
- the holding elements 7 consist of magnetically hard material, for example stainless spring steel, while the anchor parts 15 consist of magnetically soft material, for example soft iron.
- a film 22 made of non-magnetizable material is placed on a surface area of the anchor part 15 consolidates, which faces the surface 18 of the narrower flange part 13 (Fig. 6).
- a stop 23 can also be provided, which is formed on the holder 10, as can be seen from FIG. 1.
- Two stop elements 20 are provided on the holder 8, which are connected to the holder 10 and form two mutually opposite stop surfaces for the holding elements 7.
- FIG. 2 shows the operating state in which the knife 2 shown on the left in FIG. 2 is already slightly raised and the knife 2 shown on the right is correspondingly slightly lowered.
- the rod 2 and the associated holding element 7 are in contact with one another in this position, as a result of which the holding element 7 has already been deflected.
- This deflection of the holding element 7 continues until the rod 1 has reached the upper position, as shown in FIG. 3.
- the air gap between the armature part 15 and the surface 18 of the narrower flange part 13 is set to a predetermined value and the knife 2 is now lowered.
- the hook 5 on the rod 2 will engage in the opening 9 on the holding element 7 when the knife 2 is lowered and the rod 2 will be held in its position, although the knife is further lowered, as shown in Fig. 4.
- the armature part 15 is pulled by the magnetic field against the surface 18 of the narrower flange part 13.
- the anchor part 15 lies against the surfaces 19 of the two flange parts 12.
- the lowering rod 15 can now engage with its hook 5 in the opening 9 of the holding element 7 and is thus lowered into the other end position.
- the other holding element 7 does not have to be deflected, even when the electromagnet 10 is energized. In this case, this only occurs when this holding element 7 has been deflected by the associated rod (not shown) in such a way that the air gap between the surfaces of the flange parts 13 and the armature part 15 has the predetermined value.
- Fig. 6 shows a modified embodiment of the holding element 7.
- a projection 21 is formed next to the opening 9, which comes into contact with the hook 5 when the rod 1 is raised. This allows the air gap to be set to a smaller value. The magnetic field to be generated by the electromagnet can then be further reduced.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Electromagnets (AREA)
- Looms (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH4025/82A CH657162A5 (de) | 1982-07-01 | 1982-07-01 | Fachbildevorrichtung fuer eine webmaschine. |
CH4025/82 | 1982-07-01 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0098428A2 true EP0098428A2 (fr) | 1984-01-18 |
EP0098428A3 EP0098428A3 (en) | 1984-12-12 |
EP0098428B1 EP0098428B1 (fr) | 1987-08-26 |
Family
ID=4268414
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP83105925A Expired EP0098428B1 (fr) | 1982-07-01 | 1983-06-16 | Dispositif de formation de la foule pour un métier à tisser |
Country Status (6)
Country | Link |
---|---|
US (1) | US4515186A (fr) |
EP (1) | EP0098428B1 (fr) |
JP (1) | JPS5926543A (fr) |
CH (1) | CH657162A5 (fr) |
DE (1) | DE3373198D1 (fr) |
ES (1) | ES523720A0 (fr) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0099254A2 (fr) * | 1982-07-10 | 1984-01-25 | Textilma AG | Dispositif de contrôle des lisses |
EP0188074A1 (fr) * | 1984-12-21 | 1986-07-23 | Bonas Machine Company Limited | Dispositif de contrôle pour lisses |
EP0214073A1 (fr) * | 1985-08-23 | 1987-03-11 | Staubli-Verdol S.A.R.L. | Crochet mobile perfectionné pour dispositif de formation de la foule d'un métier à tisser |
FR2587045A1 (fr) * | 1985-09-06 | 1987-03-13 | Staubli Verdol | Dispositif pour la formation de la foule d'un metier a tisser comportant un crochet de retenue basculant |
EP0439440A1 (fr) * | 1990-01-23 | 1991-07-31 | Benedetto Bobbio | Dispositif électromagnétique modulaire commandé par ordinateur pour la sélection de fils de chaîne pour le tissage des tissus façonnés |
EP0494044A1 (fr) * | 1991-01-03 | 1992-07-08 | Yu Hsiu Hsia Cheng | Dispositif de retenue des lisses pour un système jacquard |
WO1999010576A1 (fr) * | 1997-08-26 | 1999-03-04 | Textilma Ag | Dispositif jacquard pour un metier a tisser |
WO2017206278A1 (fr) * | 2016-05-31 | 2017-12-07 | 崔如奎 | Électrovanne pour machine jacquard à grande vitesse |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2586432B1 (fr) * | 1985-08-23 | 1987-11-13 | Staubli Verdol | Dispositif pour la formation de la foule d'un metier a tisser |
JPS63249735A (ja) * | 1987-04-04 | 1988-10-17 | 有限会社 サイテツクス | 繊機のひ口を形成するための装置 |
JPS6440630A (en) * | 1987-04-14 | 1989-02-10 | Scitex Corp Ltd | Apparatus for forming shuttle of loom |
JPS63264942A (ja) * | 1987-04-21 | 1988-11-01 | 有限会社 サイテツクス | ひ口形成装置 |
DE3713832C1 (de) * | 1987-04-24 | 1988-06-23 | Grosse Webereimaschinen Gmbh | Platinen-Steuervorrichtung fuer Offenfach-Jacquardmaschine |
IT1222416B (it) * | 1987-07-31 | 1990-09-05 | Luigi Omodeo Zorini | Organo di comando per arpini di tubetti guidafilo in telai per galloni ad uncino |
EP0344100B1 (fr) * | 1988-05-20 | 1992-07-08 | GebràDer Sulzer Aktiengesellschaft | Dispositif électromagnétique pour métiers à tisser |
JPH03134076A (ja) * | 1989-10-20 | 1991-06-07 | Nippon Steel Chem Co Ltd | タンク底板の防食用塗料 |
US5488841A (en) * | 1995-04-05 | 1996-02-06 | Pai Lung Machinery Mill Co., Ltd. | Structure of selecting mechanism for circular knitting machines |
FR2736659B1 (fr) * | 1995-07-13 | 1997-10-17 | Tis | Dispositif pour la selection de crochets dans une mecanique d'armure de metier a tisser |
BE1011710A3 (nl) * | 1998-01-19 | 1999-12-07 | Wiele Michel Nv Van De | Gaapvormingsinrichting voor weefmachines. |
BE1011711A5 (nl) * | 1998-01-19 | 1999-12-07 | Wiele Michel Nv Van De | Gaapvormingsinrichting voor het individueel sturen van de kettingdraden van een weefmachine. |
BE1013788A3 (nl) * | 2000-10-25 | 2002-08-06 | Wiele Michel Van De Nv | Takelloze gaapvormingsinrichting voor een weefmachine. |
TWI303679B (en) * | 2003-06-12 | 2008-12-01 | Textilma Ag | Loom |
BE1021506B1 (nl) * | 2012-11-19 | 2015-12-03 | Nv Michel Van De Wiele | Module geschikt voor inbouw in een jaquardmachine |
CN110923894A (zh) * | 2019-11-17 | 2020-03-27 | 绍兴佳宝纺织机械科技有限公司 | 用于电子提花机的电磁提针单元、电磁提针单元组合件 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1380967A (fr) * | 1964-01-24 | 1964-12-04 | Oerlikon Buehrle Ag | Métier jacquard à lisses commandées individuellement par voie électromagnétique |
FR1554517A (fr) * | 1967-03-10 | 1969-01-17 | ||
DE2204815A1 (de) * | 1972-01-25 | 1973-08-02 | Mueller Jakob | Vorrichtung zum bewegen von fadenfuehrungseinrichtungen von textilmaschinen |
GB2047755A (en) * | 1979-04-24 | 1980-12-03 | Bonas Machine Co | Improvements in loom heald control means |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2204891A (en) * | 1939-02-15 | 1940-06-18 | Hamilton Dev Corp | Electrically controlled shedding mechanism for looms |
US3103953A (en) * | 1961-03-13 | 1963-09-17 | Lauritsen William | Shedding mechanisms |
CS190661B1 (en) * | 1975-03-28 | 1979-06-29 | Vojtech Buran | Travelling-wave shedding apparatus for weaving looms |
GB1562187A (en) * | 1975-08-21 | 1980-03-05 | Camber Int Uk Ltd | Knittingmachine |
-
1982
- 1982-07-01 CH CH4025/82A patent/CH657162A5/de not_active IP Right Cessation
-
1983
- 1983-06-16 DE DE8383105925T patent/DE3373198D1/de not_active Expired
- 1983-06-16 EP EP83105925A patent/EP0098428B1/fr not_active Expired
- 1983-06-22 US US06/506,771 patent/US4515186A/en not_active Expired - Lifetime
- 1983-06-30 ES ES523720A patent/ES523720A0/es active Granted
- 1983-07-01 JP JP58118389A patent/JPS5926543A/ja active Granted
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1380967A (fr) * | 1964-01-24 | 1964-12-04 | Oerlikon Buehrle Ag | Métier jacquard à lisses commandées individuellement par voie électromagnétique |
FR1554517A (fr) * | 1967-03-10 | 1969-01-17 | ||
DE2204815A1 (de) * | 1972-01-25 | 1973-08-02 | Mueller Jakob | Vorrichtung zum bewegen von fadenfuehrungseinrichtungen von textilmaschinen |
GB2047755A (en) * | 1979-04-24 | 1980-12-03 | Bonas Machine Co | Improvements in loom heald control means |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0099254A2 (fr) * | 1982-07-10 | 1984-01-25 | Textilma AG | Dispositif de contrôle des lisses |
EP0099254B1 (fr) * | 1982-07-10 | 1988-12-07 | Textilma AG | Dispositif de contrôle des lisses |
EP0188074A1 (fr) * | 1984-12-21 | 1986-07-23 | Bonas Machine Company Limited | Dispositif de contrôle pour lisses |
EP0214073A1 (fr) * | 1985-08-23 | 1987-03-11 | Staubli-Verdol S.A.R.L. | Crochet mobile perfectionné pour dispositif de formation de la foule d'un métier à tisser |
FR2587045A1 (fr) * | 1985-09-06 | 1987-03-13 | Staubli Verdol | Dispositif pour la formation de la foule d'un metier a tisser comportant un crochet de retenue basculant |
EP0219437A1 (fr) * | 1985-09-06 | 1987-04-22 | ETABLISSEMENTS STAUBLI- VERDOL, Société à responsabilité limitée: | Dispositif pour la formation de la foule d'un métier à tisser comportant un crochet de retenue basculant |
EP0439440A1 (fr) * | 1990-01-23 | 1991-07-31 | Benedetto Bobbio | Dispositif électromagnétique modulaire commandé par ordinateur pour la sélection de fils de chaîne pour le tissage des tissus façonnés |
EP0494044A1 (fr) * | 1991-01-03 | 1992-07-08 | Yu Hsiu Hsia Cheng | Dispositif de retenue des lisses pour un système jacquard |
WO1999010576A1 (fr) * | 1997-08-26 | 1999-03-04 | Textilma Ag | Dispositif jacquard pour un metier a tisser |
WO2017206278A1 (fr) * | 2016-05-31 | 2017-12-07 | 崔如奎 | Électrovanne pour machine jacquard à grande vitesse |
Also Published As
Publication number | Publication date |
---|---|
ES8405453A1 (es) | 1984-06-01 |
EP0098428B1 (fr) | 1987-08-26 |
US4515186A (en) | 1985-05-07 |
JPS5926543A (ja) | 1984-02-10 |
DE3373198D1 (en) | 1987-10-01 |
JPH0214450B2 (fr) | 1990-04-09 |
ES523720A0 (es) | 1984-06-01 |
CH657162A5 (de) | 1986-08-15 |
EP0098428A3 (en) | 1984-12-12 |
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