摘要:
A Jacquard machine, having at least two knife grids (5, 6)moving up and down in opposition on either side of the Jacquard machine, the Jacquard machine having a single-sided drive (1) for driving at least one driving lever (2,3) which is provided for driving the motion of the knife grids (5, 6) on either side of the Jacquard machine, and one traversing rocking shaft (24) being provided to transmit the motion of the driving lever (2 and 3 respectively) to the knife grids (5,6) of one of the sides of the Jacquard machine.
摘要:
The invention relates to a method for weaving fabrics (501, 502, 601, 602) on a weaving machine, wherein in successive weft insertion cycles two weft yarns (505, 506, 605, 606) are simultaneously inserted at different weft insertion levels between pile warp yarns (520, 530, 620, 630) which are positioned with respect to the weft insertion levels by means of a three-position-non-open-shed Jacquard machine, wherein this Jacquard machine is provided to maintain one or several pile warp yarns (503, 504, 603, 604) in successive operating cycles of the weaving machine in an upper and/or a lower position, and wherein the said pile warp yarns (503, 504, 603, 604) in their upper or in their lower position are positioned between the weft insertion levels. Furthermore, the invention relates to a three-position-non-open-shed Jacquard machine, and a weaving machine which is provided to carry out such a method, and a method to rearrange the harness suspension of a three-position-non-open-shed Jacquard machine according to the invention.
摘要:
The invention relates to a Jacquard machine, comprising at least two knife grids (5, 6) moving up and down in opposition on either side of the Jacquard machine, the Jacquard machine comprising a single-sided drive (1) for driving at least one driving lever (2,3) which is provided for driving the motion of the knife grids (5, 6) on either side of the Jacquard machine, and one traversing rocking shaft (24) being provided to transmit the motion of the said driving lever (2 and 3 respectively) to the knife grids (5, 6) of one of the sides of the Jacquard machine.
摘要:
A shed-forming device has elastically deformable selection elements (1) (28a)-(28f) which can be placed in an undeformed position or in a deformed position, electromagnetic selectors (2) which can be actuated in order to place or keep each selection element (1) in successive weaving cycles in one of said positions, and presenting means (3) in order to mechanically deform selection elements (1) in the direction of a selector (2) in each weaving cycle into a presenting position in which they are kept at a distance from the selector (2) by a stop (4), and also relates to a method for positioning selection elements of a shed-forming device in this manner.
摘要:
A selection device for a shed-forming device of a weaving machine has an electromagnetic selector (11) with at least two poles (P1), (P2), . . . (Pn) and a selection element (1), (2); (25), (26); (40), (41) which is located in a cooperating position with a zone (50) alongside at least two poles (P1), (P2), . . . (Pn) and is retained at a holding distance (A) from this zone (50), in which the selector (11) with each adjacent pole (P1), (P2) can exert a magnetic force on the zone (50), and in which the zone (50) extends over a distance (Z) that is shorter than the coil length (S), while the holding distance (A) is at least equal to half the positionable length (L) of the selection element.
摘要:
The invention relates to a shed forming device, comprising means provided to position warp yarns in order to form a shed in accordance with a pattern to be woven, before inserting a weft through this shed, the positioning of the warp yarns being the possible cause of an increase or a decrease of potential energy in the shed forming device, one or several elements being added, which may be able to compensate partly or entirely the decrease or increase of potential energy which is produced in the situation of the shed forming device, before adding the said elements to the shed forming device, and the said elements being incorporated in the shed forming device in such a manner, that the decrease or increase of potential energy will be performed by the said elements, in a manner independent of the positioning of the warp yarns. Furthermore the invention relates to a weaving machine comprising such a shed forming device.
摘要:
A shed-forming device has elastically deformable selection elements (1) (28a)-(28f) which can be placed in an undeformed position or in a deformed position, electromagnetic selectors (2) which can be actuated in order to place or keep each selection element (1) in successive weaving cycles in one of said positions, and presenting means (3) in order to mechanically deform selection elements (1) in the direction of a selector (2) in each weaving cycle into a presenting position in which they are kept at a distance from the selector (2) by a stop (4), and also relates to a method for positioning selection elements of a shed-forming device in this manner.
摘要:
A device for modulating a first rotational motion of an input shaft (2) to a second, different from the first, rotational motion of an output shaft (3)in textile machines has a fixed complementary cam (1) provided with at least two cam profiles (1 a, 1b). At least one cam follower (5) is linked to the input and the output shafts (2, 3) and is provided with at least two contact rollers (6a, 6b), each following a different cam profile (1a, 1b), because of which the cam followers (5)are performing a rocking motion. The cam profiles (1a, 1b)arc internal cam profiles.
摘要:
While weaving fabrics (501, 502, 601, 602) on a weaving machine, in successive weft insertion cycles two weft yarns (505, 506, 605, 606) are simultaneously inserted at different weft insertion levels between pile warp yarns (520, 530, 620, 630) which are positioned with respect to the weft insertion levels by a three-position-non-open-shed Jacquard machine. The Jacquard machine is provided to maintain one or several pile warp yarns (503, 504, 603, 604) in successive operating cycles of the weaving machine in an upper and/or a lower position. The pile warp yarns (503, 504, 603, 604) in their upper or in their lower position are positioned between the weft insertion levels. Furthermore, a three-position-non-open-shed Jacquard machine and a weaving machine are provided to carry out such a method, and a method to rearrange the harness suspension of a three-position-non-open-shed Jacquard machine.
摘要:
A harness device for a weaving machine is made with partial apertured boards of synthetic material that can be manufactured by injection moulding. Each small partial apertured board has threading openings for pulling through harness cords, provisions to carry connecting elements and positioning means to position the connecting elements. Connecting elements connect one or several harness cords to one or several tackle cords or hooks. The threading openings or the connecting elements are provided with a spring-mounted retaining element and the connecting elements are provided with an opening through which one or several spindles may be passed.