EP0529027B1 - Fachbildevorrichtung für eine textilmaschine - Google Patents
Fachbildevorrichtung für eine textilmaschine Download PDFInfo
- Publication number
- EP0529027B1 EP0529027B1 EP92905490A EP92905490A EP0529027B1 EP 0529027 B1 EP0529027 B1 EP 0529027B1 EP 92905490 A EP92905490 A EP 92905490A EP 92905490 A EP92905490 A EP 92905490A EP 0529027 B1 EP0529027 B1 EP 0529027B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pulling
- members
- lifting
- shed position
- lower shed
- 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
Links
- 239000004753 textile Substances 0.000 title claims abstract 3
- 230000014759 maintenance of location Effects 0.000 claims 4
- 230000008878 coupling Effects 0.000 abstract description 23
- 238000010168 coupling process Methods 0.000 abstract description 23
- 238000005859 coupling reaction Methods 0.000 abstract description 23
- 230000037431 insertion Effects 0.000 abstract 2
- 238000003780 insertion Methods 0.000 abstract 2
- 239000000463 material Substances 0.000 description 4
- 230000009467 reduction Effects 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- WWTBZEKOSBFBEM-SPWPXUSOSA-N (2s)-2-[[2-benzyl-3-[hydroxy-[(1r)-2-phenyl-1-(phenylmethoxycarbonylamino)ethyl]phosphoryl]propanoyl]amino]-3-(1h-indol-3-yl)propanoic acid Chemical compound N([C@@H](CC=1C2=CC=CC=C2NC=1)C(=O)O)C(=O)C(CP(O)(=O)[C@H](CC=1C=CC=CC=1)NC(=O)OCC=1C=CC=CC=1)CC1=CC=CC=C1 WWTBZEKOSBFBEM-SPWPXUSOSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229940126208 compound 22 Drugs 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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 device according to the preamble of claim 1.
- Such a device is known from DE-C 37 13 832.
- the traction elements rub laterally during their up and down movements. Wear and heat build up occur.
- the traction elements consist of magnetic iron and are relatively heavy and therefore sluggish.
- the first driving elements have inclined surfaces in order to pivot the pulling element laterally. This increases wear and causes noise.
- This known device is therefore not suitable for very high working speeds.
- Today's machines work at very high speeds.
- the harness retraction force must be very high so that the pulling elements are quickly moved downwards by the return spring of the harness pull. This stresses the material, results in considerable vibrations, and overcoming the inertia of the return spring shows the limits of the working speed.
- the first driving elements also have the inclined surfaces for the same purpose and the same disadvantages occur.
- EP-A 119 787 describes a reading device which is arranged in the upper compartment position.
- the reading device has a section for guiding the pulling member, a section with a holding member for holding the pulling member in the upper compartment position and a section with an electromagnet for bringing the pulling member into and out of engagement with the holding member.
- the reading thus takes place firstly in the upper compartment and secondly in the reading device itself.
- the pulling element is guided only in the area of the reading device and at a relatively large distance from the holding element, so that the pulling element is electromagnetically connected to the holding element is pivoted towards or away from the holding member.
- the power of the electromagnet must be designed to be correspondingly strong, and the lifting knife must carry out an overstroke in order to attach and detach the pulling element in or out of the holding element, as a result of which vibrations and thereby considerable noise are generated.
- the invention has for its object to provide a shedding device in which the traction elements are positively guided by the lifting knife during the up and down movement even at very high working speeds, so that friction between moving parts of the device are largely avoided and the traction elements fall off does not occur when moving up and down.
- a shedding device of the type in question contains a kinematic connecting element 1, which connects traction elements, a roller train 2 with a first disc 3, around which the connecting element 1 is guided, and a second disc 4, which is connected to the first disc 3 via web parts 5 is connected, a cord 6 which is guided around the second pulley 4 and connected to the heald 7 for guiding warp threads, and a return spring 8 which is attached to the end of the heald 7. The other end of the cord 6 is connected to the machine frame.
- the shed forming device further comprises two lifting knives which can be moved up and down in opposite directions, two pulling elements which can be moved up and down between a lower and upper shed position, and an electrically controllable magnetic reading device with control device.
- the lifting knives, traction elements and reading device are based on the accompanying drawings for the exemplary embodiments of shedding devices according to the invention described individually.
- FIG. 1 and 2 show a first exemplary embodiment of a reading device.
- This reading device 12 has two electromagnets 13, 14 and two pole plates 15, 16 and a holder 17.
- Each electromagnet consists of a cylindrical core 18 and a winding 19 which is wound on the core ( Figure 2).
- Each pole plate 15, 16 has a U-shaped cross section that tapers over the length of the pole plate, so that the legs 20, 21 form oblique surfaces.
- the pole plates 15, 16 are arranged such that the leg ends are opposite one another at a distance.
- the electromagnets 13, 14 are arranged between the pole plates 15, 16.
- the electromagnets 13, 14 and the pole plates 15, 16 are connected by a plastic compound 22 which fills the cavities between the pole plates and the gap between the leg ends. This creates a wedge-shaped unit with two sloping surfaces.
- a section of a pulling element 62 is attracted when the electromagnets 13, 14 are excited, so that this section bears against the inclined surfaces which are formed by the outer surface of the pole plate legs 20, 21.
- the pole plate legs 20, 21 form pole regions 23 and 24, so that the field lines 25 of the electromagnets are directed in the transverse direction of the pulling element 62.
- a base edge 17a is formed by the lower, broad part of this reading device 12.
- FIG. 3 shows a second exemplary embodiment of a reading device.
- This reading device 31 has an electromagnet 32 and a holder 33 for the electromagnet.
- the electromagnet 32 consists of a double-T-shaped core 34 and a winding 35.
- the core 34 has a web part on which the winding is arranged in an insulated manner and a wide base flange 36 and a narrow flange 37 which face the pulling elements 62 Sides have inclined surfaces which form defined pole areas 38 and 39.
- a section of the pulling element 62 is attracted when the electromagnet 32 is excited, so that this section lies against the inclined surfaces of the flanges 36, 37 of the core 34, the field lines 40 being directed in the longitudinal direction of the pulling element 62.
- the magnetic circuit is short-circuited, so that the current consumption of the electromagnet 32 is advantageously reduced.
- FIG. 4 to 7 show a first embodiment of a shedding device according to the invention.
- the shedding device comprises two lifting knives 41, which are moved up and down in opposite directions by a drive device (not shown), two pulling elements 42, which can be brought into and out of engagement with the lifting knives 41, and the reading device 12 shown in FIG. 1 with the one not shown electrical circuit 43, which is arranged in the lower compartment position between the tension members 42.
- the reading device 12 is fastened with the holder 17 on a stationary bulletin board 44. Openings 45 are provided in the bulletin board, in which the tension members 42 are guided.
- the lifting knives 41 have a rectangular cross section and have a section 46 with two inclined surfaces 47 on the upper edge, which extends over the length of the lifting knife and hook-shaped sections 48 which are spaced apart from the section 46 and protrude from the sides of the lifting knives 41 , whereby a ramp surface 49 is formed (Figure 7).
- the tension members 42 are strip-shaped. At the lower end, the tension members 42 are connected to the connection member 1 by means of a hooking element. At the upper end, the traction members 42 have an inclined section 50 and then a rectangular recess 51 (FIG. 5). The recess 51 and the section 48 form the first entrainment elements.
- the section of the pulling element 42 provided with the inclined section 50 and the recess 51 forms a coupling part 52, and the section adjoining it forms a guide part 53.
- Each pulling element 42 also has a stop part 54 as a second entrainment member, which is fastened outwardly projecting on the guide part 53 and which rests on the notice board 44 when the pulling member 42 is in the lower compartment position.
- the traction elements 42 consist of magnetizable material, preferably of metal. However, it is also possible to manufacture the traction elements 42 from plastic, but at least the coupling part 52 must be provided with metal additives.
- FIG. 6 shows the situation on an enlarged scale, in which the pulling element 42 is in the sub-compartment position and the electromagnets 13, 14 of the reading device 12 are not energized.
- the coupling part 52 of the pulling element 42 assumes a defined position in relation to the pole regions 23, 24 of the reading device 12.
- the left lifting knife 41 is shown in the upper compartment position, in which it is essentially above the reading device 12, and the right lifting knife 41 is shown in the lower compartment position, in which it stands next to the reading device 12.
- the left pulling element 42 is suspended with its recess 51 in the hook-shaped section 48 (first driving elements) and is thus in the upper compartment position by the left lifting knife 41.
- the right pulling element 42 is in the lower compartment position, rests with the stop part 54 on the stop board 44 and rests with its coupling part 52 when the magnet is excited against the reading device 12. In this position the heald 7 is in the upper compartment.
- the lifting knives 41 are moved in opposite directions by the drive, this will be the left pulling element 42 is shifted into the lower compartment position by the left lifting knife 41 (with the first driving elements or with first and second driving elements), while the right pulling element 42 remains in the lower compartment position because the coupling part 52 deflected by the excited electromagnets 13, 14 from the right lifting knife 41 has not been recorded. In this position, the heald 7 is in the lower compartment.
- the traction member 42 suspended therein is positively moved downward by the parts 47, 50, and positively, and placed with the knockout part 54 on the notice board 44, while the lifting knife 41 continues with the downward movement until it contacts the knockout part 54 .
- the coupling part 52 remains attached to the reading device 12. With the following upward movement of the left lifting knife 41, the left pulling element 42 is left behind, i.e. the heald 7 remains in the sub-position. If the electromagnets 13, 14 are de-energized on the basis of the sample program, the coupling parts 52 will lift off from the reading device 12 on account of their resilience. In this position, the tension members 42 are successively gripped by the lifting knives 41 and moved up and down. A change occurs when the electromagnets 13, 14 are excited again.
- Figures 8 to 10 show a second embodiment of the shedding device according to the invention with a different design of the lifting knife and the pulling element.
- the shedding device contains two lifting knives 61 and two pulling elements 62 with a coupling part 63 and a guide part 64.
- the lifting knife has a cross-sectional shape with a rectangular lower part, an upwardly widening middle part and with a substantially U- shaped top. While the lower part causes the setting of the pulling element 62 in the defined position with respect to the pole regions 23, 24 (FIG. 6), the middle part causes the coupling part 63 to pivot in the direction of the reading device 12 when the lifting knife 61 moves downward, in order to connect the coupling part 63 to the Apply pole areas 23,24 ( Figure 1). Each pulling element 62 in turn has a deflection part 65 as the second driving element.
- the tension member 62 has a hook-shaped section 66 on its coupling part 63.
- FIG. 10 shows a somewhat different shape of a lifting knife 68, the cross-sectional shape of which comprises a rectangular part and an essentially U-shaped upper part.
- the coupling part 63 is not pivoted when the lifting knife 68 moves downward.
- FIGS. 11 and 12 show a third exemplary embodiment of a shedding device according to the invention.
- the shed forming device contains two lifting knives 120, two pulling elements 121 and a reading device 12 shown in FIG. 1, which is arranged such that it lies between the pulling elements 121 when the latter is in the Stand sub-position. In this sub-compartment position, the traction elements assume a defined position with respect to the pole areas 23, 24 (FIG. 1).
- the traction element 121 contains a strip-shaped guide part 122 and a strip-shaped coupling part 123 which is fastened to the guide part 122.
- the guide part 122 is connected at one end to the kinematic connecting element 1.
- a rectangular recess 125 is provided in the area of the other end.
- the guide part 122 advantageously consists of a material that cannot be magnetized.
- Each pulling element 121 has a stop part 54, which is fastened to the guide part 122, projecting outwards from the lifting knife 120, and which rests on the stop board 46 when the pulling element 121 is in the lower compartment position, or ensures that the lifting knife 120 inevitably pulls the pulling element 121 into the low position moves (second entrainment organs).
- the coupling part 123 has a hook-shaped section 126 at one end, which can protrude through the recess 125 (first entrainment members).
- the coupling part 123 consists of elastically deformable material that can be magnetized and can be pivoted toward the magnetic pole 23, 24.
- the two-part embodiment proves to be particularly advantageous because no magnetic attraction force is exerted on the guide part 122.
- the reading device 12 there is a guide member 127, against which the coupling parts 123 rest when the pulling member 121 is in the upper compartment position.
- An opening 128 is provided in the bulletin board 46, in which the guide part 122 is guided during the up and down movement. This results in a double guidance for the traction element 121.
- the guidance can be improved if a channel-shaped recess is provided in the guide element 127, which is in the case of the upward and downward movement of the pulling element receives the coupling part 123, so that the guide part 122 is guided at the edges on the guide element 127.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
- Treatment Of Fiber Materials (AREA)
- Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)
- Blinds (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH73091 | 1991-03-13 | ||
| CH730/91 | 1991-03-13 | ||
| PCT/CH1992/000041 WO1992016678A1 (de) | 1991-03-13 | 1992-03-02 | Fachbildevorrichtung für eine textilmaschine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0529027A1 EP0529027A1 (de) | 1993-03-03 |
| EP0529027B1 true EP0529027B1 (de) | 1996-07-10 |
Family
ID=4193852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP92905490A Expired - Lifetime EP0529027B1 (de) | 1991-03-13 | 1992-03-02 | Fachbildevorrichtung für eine textilmaschine |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US5373871A (cg-RX-API-DMAC7.html) |
| EP (1) | EP0529027B1 (cg-RX-API-DMAC7.html) |
| JP (1) | JP2944214B2 (cg-RX-API-DMAC7.html) |
| CN (1) | CN1054408C (cg-RX-API-DMAC7.html) |
| CA (1) | CA2082653C (cg-RX-API-DMAC7.html) |
| DE (2) | DE4116163A1 (cg-RX-API-DMAC7.html) |
| ES (1) | ES2089505T3 (cg-RX-API-DMAC7.html) |
| HK (1) | HK1004282A1 (cg-RX-API-DMAC7.html) |
| TW (1) | TW198074B (cg-RX-API-DMAC7.html) |
| WO (1) | WO1992016678A1 (cg-RX-API-DMAC7.html) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19514995C2 (de) * | 1995-04-24 | 1997-06-19 | Mayer Textilmaschf | Kettenwirkmaschine |
| BE1009730A3 (nl) * | 1995-10-27 | 1997-07-01 | Wiele Michel Van De Nv | Gaapvormingsinrichting voor de selectie van gaapvormingsmiddelen met behulp van piezo-elektrische elementen. |
| FR2742170B1 (fr) * | 1995-12-12 | 1998-01-23 | Staubli Verdol | Perfectionnements aux mecaniques d'armures a double leve |
| BE1010134A3 (nl) * | 1996-04-10 | 1998-01-06 | Wiele Michel Van De Nv | Gaapvormingsinrichting voor een textielmachine. |
| FR2752246B1 (fr) * | 1996-08-06 | 1998-10-09 | Staubli Lyon | Procede et dispositif de selection des crochets mobiles d'un mecanisme de formation de la foule et metier a tisser du type jacquard |
| FR2754277B1 (fr) * | 1996-10-04 | 1998-12-18 | Staubli Lyon | Mecanique d'armure a trois positions et metier a tisser de type jacquard equipe d'une telle mecanique |
| BE1012129A3 (nl) * | 1998-08-24 | 2000-05-02 | Wiele Michel Van De Nv | Gaapvormingsmechanisme voor jacquardmachines. |
| 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 |
| AU2001235309A1 (en) | 2000-03-27 | 2001-10-08 | Textilma Ag | Jacquard machine |
| BE1014814A5 (nl) * | 2002-05-06 | 2004-04-06 | Wiele Michel Van De Nv | Verbindingsmidelen voor het losneembaar verbinden van koorden van een jacquardmachine. |
| WO2005052233A1 (de) * | 2003-11-28 | 2005-06-09 | Textilma Ag | Fadensteuervorrichtung für eine textilmaschine, insbesondere für eine fachbildevorrichtung |
| GB2437959A (en) * | 2006-05-11 | 2007-11-14 | John Rush | Indirect jaquard warp control |
| US7806149B2 (en) * | 2006-09-28 | 2010-10-05 | Textilma Ag | Shedding apparatus for a weaving machine, in particular for a ribbon weaving machine |
| BE1019154A5 (nl) * | 2010-01-15 | 2012-04-03 | Wiele Michel Van De Nv | Selectie-inrichting voor de gaapvormingsinrichting van een weefmachine. |
| BE1019710A3 (nl) * | 2010-12-21 | 2012-10-02 | Wiele Michel Van De Nv | Gaapvormingsinrichting voor een weefmachine. |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8306813D0 (en) * | 1983-03-11 | 1983-04-20 | Bonas Machine Co | Heald control apparatus |
| DE3713832C1 (de) * | 1987-04-24 | 1988-06-23 | Grosse Webereimaschinen Gmbh | Platinen-Steuervorrichtung fuer Offenfach-Jacquardmaschine |
| DE3817417C2 (de) * | 1988-05-21 | 1995-06-01 | Schleicher Oskar Fa | Fachbildevorrichtung für Textilmaschinen, insbesondere Webmaschinen |
| DE3902792C1 (de) * | 1989-01-31 | 1990-03-01 | Fa. Oskar Schleicher, 4050 Mönchengladbach | Platinensteuervorrichtung für Fachbildemaschinen, insbesondere Jaquardmaschinen |
| 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 |
-
1991
- 1991-05-17 DE DE4116163A patent/DE4116163A1/de not_active Withdrawn
-
1992
- 1992-03-02 HK HK98103578A patent/HK1004282A1/xx not_active IP Right Cessation
- 1992-03-02 US US07/946,311 patent/US5373871A/en not_active Expired - Lifetime
- 1992-03-02 ES ES92905490T patent/ES2089505T3/es not_active Expired - Lifetime
- 1992-03-02 DE DE59206729T patent/DE59206729D1/de not_active Expired - Fee Related
- 1992-03-02 WO PCT/CH1992/000041 patent/WO1992016678A1/de not_active Ceased
- 1992-03-02 EP EP92905490A patent/EP0529027B1/de not_active Expired - Lifetime
- 1992-03-02 CA CA002082653A patent/CA2082653C/en not_active Expired - Fee Related
- 1992-03-02 JP JP4504832A patent/JP2944214B2/ja not_active Expired - Fee Related
- 1992-03-13 CN CN92101633A patent/CN1054408C/zh not_active Expired - Fee Related
- 1992-03-13 TW TW081101949A patent/TW198074B/zh active
Also Published As
| Publication number | Publication date |
|---|---|
| EP0529027A1 (de) | 1993-03-03 |
| JP2944214B2 (ja) | 1999-08-30 |
| CA2082653C (en) | 1999-02-09 |
| ES2089505T3 (es) | 1996-10-01 |
| WO1992016678A1 (de) | 1992-10-01 |
| DE59206729D1 (de) | 1996-08-14 |
| CN1054408C (zh) | 2000-07-12 |
| CA2082653A1 (en) | 1992-09-14 |
| CN1064902A (zh) | 1992-09-30 |
| TW198074B (cg-RX-API-DMAC7.html) | 1993-01-11 |
| DE4116163A1 (de) | 1992-09-17 |
| US5373871A (en) | 1994-12-20 |
| HK1004282A1 (en) | 1998-11-20 |
| JPH05507327A (ja) | 1993-10-21 |
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