EP2253749A1 - Vorrichtung zur Bildung von Gewebe und Webrahmen vom Typ Jacquard, der mit dieser Vorrichtung ausgerüstet ist - Google Patents

Vorrichtung zur Bildung von Gewebe und Webrahmen vom Typ Jacquard, der mit dieser Vorrichtung ausgerüstet ist Download PDF

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Publication number
EP2253749A1
EP2253749A1 EP10163070A EP10163070A EP2253749A1 EP 2253749 A1 EP2253749 A1 EP 2253749A1 EP 10163070 A EP10163070 A EP 10163070A EP 10163070 A EP10163070 A EP 10163070A EP 2253749 A1 EP2253749 A1 EP 2253749A1
Authority
EP
European Patent Office
Prior art keywords
axis
axes
claw
frame
knives
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
Application number
EP10163070A
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English (en)
French (fr)
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EP2253749B1 (de
Inventor
Damien Bouchet
Patrice Przytarski
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.)
Staeubli Lyon SA
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Staeubli Lyon SA
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Publication date
Application filed by Staeubli Lyon SA filed Critical Staeubli Lyon SA
Publication of EP2253749A1 publication Critical patent/EP2253749A1/de
Application granted granted Critical
Publication of EP2253749B1 publication Critical patent/EP2253749B1/de
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    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00—Jacquards
    • D03C3/24—Features common to jacquards of different types
    • D03C3/32—Jacquard driving mechanisms
    • D03C3/36—Griffe operating mechanisms
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C13/00—Shedding mechanisms not otherwise provided for
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C13/00—Shedding mechanisms not otherwise provided for
    • D03C13/02—Shedding mechanisms not otherwise provided for with independent drive motors
    • D03C13/025—Shedding mechanisms not otherwise provided for with independent drive motors with independent frame drives
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00—Jacquards
    • D03C3/24—Features common to jacquards of different types
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00—Jacquards
    • D03C3/24—Features common to jacquards of different types
    • D03C3/26—General arrangements of jacquards, or disposition in relation to loom

Definitions

  • the invention relates to a shedding device on a Jacquard weaving loom as well as to a Jacquard weaving loom equipped with such a device.
  • the invention relates more particularly to the vertical actuation, in opposition of phases, of two series of blades or knives which, in a Jacquard type loom, ensure the vertical displacement of hooks belonging to a weave mechanism.
  • hooks arranged in rows are alternately raised by these blades or knives which are commonly referred to as "claws", these claws being themselves supported by one of two claw frames.
  • Each frame of claws must be animated with a movement of vertical oscillations in opposition of phase with the other frame.
  • FR-A-2,669,650 it is known to FR-A-2,669,650 to use an input shaft driven by a continuous rotational movement and on which are mounted four eccentric each associated with a control rod of a rocking lever.
  • the claw frames are suspended by rods, respectively short and long, with two rocking levers on each side of the knife sets. Given the drive kinematics of claw frames, they have an oblique reciprocating motion and each of them must be guided linearly. Linear guidance of frames is not described in FR-A-2,669,650 . It is generally carried out by a roller secured to a frame of claws and engaged in a slide, which requires significant lubrication leading to laborious maintenance and likely to cause splashes of lubricant above the weaving area.
  • the invention intends to remedy more particularly by proposing a new device for forming the shed in which a claw frame is efficiently guided in its back-and-forth movement, without having recourse to a system requiring lubrication and without significantly increasing the size of the guide kinematics of the frame.
  • the invention effective vertical guidance of a claw frame is obtained.
  • the first axis at which the connecting rod is articulated on the claw frame can follow a vertical path, with a lateral displacement parasite very weak, of the order of 0.1 mm for a vertical displacement of about 100 mm.
  • the invention also relates to a jacquard loom equipped with a shedding device as previously described. Such a craft is easier to use and maintain than those of the state of the art.
  • the loom M partially shown in the figures is equipped with a shedding device 10 which comprises two sets of knives or blades.
  • a first set of knives 12 is supported by two crosspieces 14 and 16 which are interconnected by spacers not shown and thus form a first claw frame for the knives 12.
  • a second set of knives 22 is supported by two cross members 24 and 26 which form a second frame of claws.
  • the sleepers 14 and 16 are respectively disposed above the crosspieces 24 and 26, at the ends of the knives 12 and 22.
  • the knives 12 extend generally in the lower part of the crosspieces 14 and 16, while the knives 22 extend globally. in the upper part of the cross members 24 and 26, so that the knives 12 and 22 can cross.
  • the knives 12 and 22 are rigidly mounted on the cross-members 14, 16, 24 and 26. In particular, there is no connecting rod between the knives 12 and 22 and the cross-members 14, 16, 24 and 22.
  • the knives 12 and 22 are intended to be displaced with a vertical oscillations movement represented by the double arrow F 1 , this making it possible to move unrepresented hooks between their top dead center positions and their respective bottom dead positions, so that to control the movement of rails 30 each connected to a hook by an arch 32. Only three rails 30 are shown in FIG. figure 1 , for the sake of clarity.
  • C 1 denotes the upper claw frame which comprises the elements 12 to 16 and C 2 the lower claw frame which comprises the elements 22 to 26.
  • the smooth frames C 1 and C 2 are arranged between two frames 40 and 42 which are fixed and secured to a beam 44 of the trade M.
  • a spacer 46 connects the frames 40 and 42, being specified here that a second spacer can be arranged between the frames 40 and 42, to stiffen the support structure, the side right of the figure 1 .
  • An auxiliary frame 48 is supported by the beam 44 on the side of the device 10 visible to the figure 1 .
  • Another auxiliary frame may be mounted near the frame 42, on its side opposite the knives.
  • the Y axis is perpendicular to the X axis and horizontal, while the Z axis is vertical.
  • the knives 12 and 22 have their respective longitudinal axes parallel to the axis X.
  • a shaft 50 is connected by means not shown to the main shaft of the loom and its longitudinal axis X 50 is parallel to the axis X.
  • This shaft 50 has a continuous rotational movement when the loom M works. It passes through two eccentrics 62 and 64 around which are mounted two control rods, namely an external control rod 72 and an inner control rod 74.
  • the control rod 74 is described as “inner” in that it is more close to the frame 42 that the connecting rod 72 which is described as “external”.
  • the connecting rod 72 drives an outer T-lever 82 pivotally mounted relative to the frame 40 about an axis X 80 parallel to the X axis 50 and determined by the frames 40 and 48.
  • An inner T-lever 84 is articulated on the connecting rod 74, about the axis X 80.
  • the outer T-lever 82 is connected to the cross-member 14 of the frame C 1 by a rod 102 and to the cross-member 24 of the frame C 2 by a rod 104.
  • the inner T-lever 84 is connected to the cross member 14 by a rod 112 and the crossbar 24 by a rod 114.
  • the rods 102 and 112 have the same length which is strictly greater than the length of the rods 104 and 114.
  • the rods 102, 104, 112 and 114 allow the drive frames C 1 and C 2 and are, as such, sometimes referred to as "connecting rods".
  • the elements 62, 64, 72, 74, 82, 84, 102, 104, 112 and 114 make it possible to transmit the continuous rotational movement of the shaft 50 to the cross-members 14 and 24 in order to drive them into the generally vertical movement F 1 of the frames C 1 and C 2 .
  • a similar drive mechanism is provided on the side of the frame 42, this mechanism is not shown in the figures for clarity of the drawing, because it is optional.
  • the crosspiece 14 comprises a main body 142 and a lug 144 fixed on an outer face of this body opposite to the knives 12.
  • the crosspiece 16 comprises a main body 162 and a tab 164 fixed on the outer face of this body which is not visible in the figures.
  • the crossbar 24 also comprises a main body 242 and a tab 244, while a similar structure is adopted for the crossbar 26.
  • a connecting rod 202 is articulated on the tab 144 of this cross member about an axis X 1 parallel to the axis X.
  • the axis X 1 passes in a median portion of the cross member 14, that is to say mid-distance between the knives 12A and 12C located near the ends 146 and 148 of this cross.
  • the connecting rod 202 is articulated, respectively around two axes X 2 and X 3 parallel to the axis X 1, two levers 204 and 206.
  • the X axis 1 is located between the axes X 2 and X 3 and equidistant from those -this.
  • the lever 204 is articulated about an axis X 4 parallel to the axis X 1 on a support 422 fixed on the frame 42, while the lever 206 is articulated about an axis X 5 parallel to the axis X 1 on a support 424 also fixed to the frame 42.
  • the central connecting rod 202 and the two levers 204 together form a structure articulated on fixed parts 422 and 424 of the device 10, this structure for guiding the vertical displacement, parallel to the axis Z, a point P 1 of the cross 14 through which passes the X axis 1 .
  • the trajectory of the point P 1 is imposed by the guide system formed of the elements 202, 204 and 206.
  • ⁇ 1 is a vertical line passing through the point P 1 , that is to say parallel to the Z axis, perpendicular to the axis X 1 and secant with this axis.
  • the X 4 and X 5 axes are respectively disposed on either side of the line ⁇ 1 .
  • the arm 204 has a rotational movement R 4 about the axis X 4
  • the arm 206 has a rotational movement R 6 about the axis X 5
  • the figure 5 shows three positions, namely, in solid lines, an intermediate position corresponding to the intersection of the knives, also visible at figures 1 and 2 , the low position of the figure 3 in phantom and the high position of the figure 4 with dots. It is noted that, between the positions respectively represented in phantom and dotted lines, the point P 1 and the axis X 1 follow a substantially vertical trajectory without significant lateral displacement.
  • the axis X 2 follows a trajectory in an arc centered on the axis X 4 , that is to say whose concavity is oriented to the right at the figure 5
  • the X axis 3 follows a trajectory in an arc centered on the axis X 5 and whose concavity is oriented towards the left in this same figure.
  • the end of the upper guide arm 204 which defines the axis X 2 tends to move to the right at the figure 5
  • the end of the lower guide arm 206 which defines the axis X 3 tends to move to the left in this figure.
  • the frame C 1 is in the low position.
  • Compensation for the lateral displacements of the axes X 2 and X 3 is optimized when the active length L 204 of the lever 204, that is to say the distance between the axes X 2 and X 4 is equal to the active length L 206 of lever 206, that is to say at the distance between the axes X 3 and X 5 .
  • the geometry of the elements 202, 204 and 206 and the positioning of the axes X 1 to X 5 are determined so that, in the crossing configuration of the claw frames C 1 and C 2 shown in FIGS. figures 1 and 2 , that is to say when the upper edges of the knives 12 and 22 are in the same plane, the levers 204 and 206 are horizontal, while the central rod 102 is vertical.
  • the levers 204 and 206 may not be strictly horizontal, but substantially horizontal, forming with an horizontal plane an angle less than 10 °.
  • the connecting rod 202 may not be rigorously vertical but substantially vertical forming with a vertical plane an angle of less than 10 °.
  • the direction of a lever or the connecting rod is given by a straight line connecting its end hinge pins.
  • the lateral displacement of the axis X 1 is of the order of 0.1 mm on a vertical stroke of the cross member 14 equal to 100 mm.
  • the ratio of the lateral movement on the vertical movement of the frame C 1 is 1/1000, which can be considered insignificant and does not interfere with the operation of the knives 12 and 22.
  • the axis X 1 is included in a plane ⁇ which passes through the top of the edges of the knives 12.
  • the frame C 1 is equipped with a guiding device formed of a central connecting rod and two levers, as explained above, at the level of FIG. each of its longitudinal ends, that is to say at each of the cross members 12 and 14.
  • a guidance system is also provided for the lower claw frame and comprises a connecting rod 222 hinged to the lug 244 of the crossmember 24 about an axis X ' 1 parallel to the axis X.
  • the connecting rod 222 is hinged at the of its respective ends and around two axes X ' 2 and X' 3 parallel to the axis X ' 1 , on two levers 224 and 226.
  • the lever 222 is articulated about an axis X ' 4 parallel to the axis X' 1 on the support 424, while the lever 226 is articulated about an axis X ' 5 parallel to the axis X ' 1 on the support 422.
  • the axis X ' 1 passes in a median part of the crossbar 24, halfway between the knives 22A and 22B located near its ends 246 and 248.
  • the connecting rods 202 and 222 are identical, as are the levers 204, 206, 224 and 226, which is advantageous in terms of manufacture.
  • the active lengths of the levers 224 and 226 are therefore identical and the axis X ' 1 is equidistant from the axes X' 2 and X ' 3 .
  • the axis X ' 1 is located between the axes X' 2 and X ' 3 .
  • ⁇ '1 a vertical line intersecting with the axis X' 1.
  • the axes X ' 4 and X' 5 are located on both sides of the line ⁇ ' 1 .
  • the levers 224 and 226 are respectively above and below a horizontal plane P ' H containing the axis X' 1 , in all the positions of the guide device 222-226.
  • this second guiding device which is obtained by symmetry around a vertical line ⁇ 1 or ⁇ ' 1 from the guiding device of the upper claw frame C 1 , the operation of the guide device of the lower claw frame is deduced from the figure 5 by a symmetry around the line ⁇ 1 .
  • the X ' 1 axis follows a trajectory that can be considered vertical, with a good degree of approximation.
  • a second guiding mechanism which is not shown, is provided at the cross member 26.
  • the second guide devices provided in the vicinity of the cross members 16 and 26 are optional.
  • the axis X ' 1 is provided coplanar with a plane ⁇ ' which contains the upper edges of the knives 22.
  • the axes X 1 and X ' 1 coincide in knife crossing configuration, which also minimizes the relative lateral displacement of the knives during their respective movements.
  • the upper levers 204 and 224 for guiding the upper and lower claw frames C 1 and C 2 are arranged on either side central rods 202 and 222 and straight lines ⁇ 1 and ⁇ ' 1 , as well as the lower levers 206 and 226.
  • the levers 204 and 224 are arranged on either side of the straight lines ⁇ 1 and ⁇ ' 1 , as well as the levers 206 and 226, that the axes X 4 and X' 4 and that the axes X 5 and X ' 5 . This gives a great compactness to the device of the invention.
  • the levers 204, 206, 224 and 226 are provided with openings 208 and 228 allowing the passage of some of the rods 102, 104, 112 and 114.
  • the guiding system of the frames C 1 and C 2 which comprises the elements 202 to 226, is independent of the drive means of these frames in their back-and-forth movement, these drive means comprising the elements 62, 64, 72, 74, 82, 84, 102, 104, 112 and 114 and similar elements provided on the frame 42 side.
  • the drive kinematics comprises two control rods, two T-levers and four rods or connecting rods to the frame.
  • the claw frame guidance system is not dependent on the exact type of drive kinematics used in the craft.
  • the joints of the upper levers 204 and 224, the lower levers 206 and 226 and the rods 202 and 222 can be made by means of sealed bearings without maintenance.
  • the guiding device generates no pollution.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Treatment Of Fiber Materials (AREA)
EP10163070A 2009-05-19 2010-05-18 Vorrichtung zur Bildung von Gewebe und Webrahmen vom Typ Jacquard, der mit dieser Vorrichtung ausgerüstet ist Active EP2253749B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0953321A FR2945825B1 (fr) 2009-05-19 2009-05-19 Dispositif de formation de la foule et metier a tisser de type jacquard equipe d'un tel dispositif.

Publications (2)

Publication Number Publication Date
EP2253749A1 true EP2253749A1 (de) 2010-11-24
EP2253749B1 EP2253749B1 (de) 2012-03-21

Family

ID=41139065

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10163070A Active EP2253749B1 (de) 2009-05-19 2010-05-18 Vorrichtung zur Bildung von Gewebe und Webrahmen vom Typ Jacquard, der mit dieser Vorrichtung ausgerüstet ist

Country Status (6)

Country Link
EP (1) EP2253749B1 (de)
KR (1) KR101662180B1 (de)
CN (1) CN101892542B (de)
AT (1) ATE550466T1 (de)
BR (1) BRPI1001484B1 (de)
FR (1) FR2945825B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103266387A (zh) * 2013-04-19 2013-08-28 汪建兴 一种提花开口装置

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102031614A (zh) * 2010-12-30 2011-04-27 常熟市常纺纺织机械有限公司 提花机的开口机构
KR101434043B1 (ko) * 2012-11-09 2014-08-26 박용우 세폭자카드직기용 종광작동장치
CN104499143B (zh) * 2015-01-15 2016-03-30 尹黎明 一种提花机中提刀组件的提刀
CN104480607B (zh) * 2015-01-19 2016-03-09 尹黎明 一种提花机中提花针的安装结构
CN104480608B (zh) * 2015-01-19 2016-02-10 李素凤 一种提花机中的摆动机构
CN104562358B (zh) * 2015-01-23 2016-03-09 海宁市天一纺织有限公司 一种提花面料的传动设备
FR3080118B1 (fr) * 2018-04-16 2020-05-01 Staubli Faverges Ratiere rotative et metier a tisser
FR3094725B1 (fr) * 2019-04-03 2021-05-14 Staubli Lyon Biellette de liaison et mécanique Jacquard comprenant une telle biellette
CN114592261B (zh) * 2022-03-15 2023-10-27 嵊州市和丰电子科技有限公司 矮机身低重量高稳定性提花机

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2669650A1 (fr) 1990-11-27 1992-05-29 Staubli Verdol Mecanisme de commande des cadres d'un dispositif de formation de la foule.
EP1167598A1 (de) 2000-06-16 2002-01-02 NV Michel van de Wiele Führungsvorrichtung für die messertragenden Balken einer Jacquardmaschine
EP1475465A2 (de) * 2003-05-06 2004-11-10 Staubli Lyon Fachbildungsvorrichtung und Jacquardwebmaschine mit einer solchen Vorrichtung
EP1710330A1 (de) * 2005-04-08 2006-10-11 NV Michel van de Wiele Jacquardmaschine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1004308A3 (nl) * 1989-07-17 1992-10-27 Wiele Michel Van De Nv Aandrijfsysteem voor de messenroosters van een dubbel-hef-opengaap jacquardmachine, en dergelijke jacquardmachines van een dergelijk aandrijfsysteem voorzien.
FR2757544B1 (fr) * 1996-12-19 1999-03-05 Staubli Lyon Dispositif de formation de la foule, procede de montage et metier a tisser de type jacquard equipe d'un tel dispositif
CN2844161Y (zh) * 2005-11-25 2006-12-06 浙江大学 一种电子提花机提刀机构
CN101423995B (zh) * 2008-12-18 2012-10-03 宁波川一纺织设备有限公司 一种曲柄复动式高速电子提花机

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2669650A1 (fr) 1990-11-27 1992-05-29 Staubli Verdol Mecanisme de commande des cadres d'un dispositif de formation de la foule.
EP1167598A1 (de) 2000-06-16 2002-01-02 NV Michel van de Wiele Führungsvorrichtung für die messertragenden Balken einer Jacquardmaschine
EP1475465A2 (de) * 2003-05-06 2004-11-10 Staubli Lyon Fachbildungsvorrichtung und Jacquardwebmaschine mit einer solchen Vorrichtung
EP1710330A1 (de) * 2005-04-08 2006-10-11 NV Michel van de Wiele Jacquardmaschine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103266387A (zh) * 2013-04-19 2013-08-28 汪建兴 一种提花开口装置
CN103266387B (zh) * 2013-04-19 2015-04-22 嵊州市盛通电子科技有限公司 一种提花开口装置

Also Published As

Publication number Publication date
FR2945825B1 (fr) 2011-06-24
BRPI1001484A2 (pt) 2012-03-13
BRPI1001484B1 (pt) 2018-12-18
EP2253749B1 (de) 2012-03-21
CN101892542A (zh) 2010-11-24
KR20100124668A (ko) 2010-11-29
ATE550466T1 (de) 2012-04-15
KR101662180B1 (ko) 2016-10-04
CN101892542B (zh) 2014-12-10
FR2945825A1 (fr) 2010-11-26

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