TMT Machinery Patente

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In a resonance mode in which bending occurs at a bobbin holding portion 20, an increase in vibration by a mass for balancing is prevented or lessened. Positions of nodes N1 and N2 of the bobbin holding portion 20 in a predetermined resonance mode of a bobbin holder 9, in which bending occurs at the bobbin holding portion 20, are obtained. An unbalance corrector 25 for adding or removing a mass for balancing is provided at or around each node N1, N2, within a range of 10% of the length of the bobbin holding portion 20, the range being defined by taking the position of the node N1, N2 as the midpoint of the range.

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An object is to make it easier to determine the presence or absence of a defect of a woven or knitted fabric by making a texture or stitch pattern of a specimen less noticeable, which pattern is included in an image obtained by photographing the specimen that is a dyed specimen for the knitted fabric or a gray fabric for the woven fabric. There is provided an image processing apparatus configured to perform image processing on a specimen image 9 obtained by photographing a surface of a specimen of a woven or knitted fabric made of one or more synthetic fiber yarns. The image processing apparatus executes a texture or stitch reduction process of making a texture or stitch pattern of the woven or knitted fabric less noticeable on the specimen image 9.

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The efficiency in yarn threading from the leading end side of a winding axis onto a plurality of heating rollers is improved. A spinning winder sends, to a winding unit below via a godet roller group 20 and two guide rollers 11 and 12, a plurality of yarns 10 spun out and serially supplied from a spinning machine above, and the winding unit winds the yarns 10. A godet roller group 20 is provided on the leading end side of a bobbin holder 7, and axes 21a to 24a of godet rollers 21 to 24 belonging to the godet roller group 20 are in parallel to the axis 7a of the bobbin holder 7.

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Object of the invention is providing a filament yarn winding apparatus which is good for introducing each yarn to position of each bobbin and has good durability. A filament yarn winding apparatus (11) includes a spinning machine (12) and a winder (13). The winder (13) includes a first roller (23), a bobbin holder (16), a second roller (24), and a traverse support point guide (25). The first roller (23) receives a plurality of yarns (Y) from the spinning machine (12), The bobbin holder (16) holds a plurality of bobbins (B) configured to wind up the yarns Y from the spinning machine (12). The second roller (24) is orthogonal to an axis of the bobbin holder (16) and distributes the yarns Y sent from the first roller (23) to the bobbins (B). The traverse support point guide (25) serves as a support point of traverse for the yarns (Y) sent from the second roller (24) onto the bobbins. The second roller (24) is movable between a winding operation position (a) that is a normal position for yarn paths of the yarns (Y) during a winding operation and a threading operation position (b) that is lower than the winding operation position.

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A take-up winder in which guide rollers are actively driven while the guide rollers are easily movable at the time of operations such as yarn threading is provided. The take-up winder includes a guide rollers 13 guiding yarns Y spun out from a spinning device to bobbins, respectively, and motors 24 driving the respective guide rollers 13. The guide rollers 13 are connected with the motors 24 by magnet couplings 30, respectively, and are movable independently of the motors 24.

[Problem to be Solved] An object is to provide a yarn winding apparatus in which a contact roller is supported so as to be swingable about a body, wherein vibration of a swing arm is suppressed without spoiling function of the contact roller to add contact pressure. [Solution] A swing arm 31 supported on a body 10 by a swing shaft 32 and swingable around the swing shaft 32, a contact roller 33 supported by the swing arm 31 and contacting a package P formed on winding bobbins B with which a bobbin holder 21 is equipped, and a vibration suppression device 60 which has a mass object 61 and a restriction member 63 supporting the mass object 61 with flexibility and is provided in the swing arm 31 so that the mass object 61 and the restriction member 63 collides each other by vibration of the swing arm 31 are provided. A component of the flexibility of the mass object 61 is provided at least within a plane perpendicular to the swing shaft 32 of the swing arm 31 and in circular direction centering on the swing shaft 31.

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All yarns are surely cut and sucked irrespective of the number of the yarns. A yarn cutting-sucking device 40 includes a cutter 43 arranged to be movable in the alignment directions of yarns Y, a sucking unit 41 which is provided in proximity to the cutter 43 and includes a sucking pipe 45 which is movable in the alignment directions in the same manner as the cutter 43, and a cylinder 46 which is arranged to move the sucking pipe 45 along the alignment directions. As the cylinder 46 is driven, the cutter 43 and the sucking pipe 45 move in an alignment direction in a synchronous manner.

Damage on yarns is restrained while allowing the bending angles of the yarns at distribution guides by which the yarns spun out from a spinning unit are distributed to be large. Yarns 10 serially spun out and supplied from a spinning machine are conveyed to a winding unit below by two godet rollers, and in a winding unit the yarns 10 are distributed by fulcrum guides 13 and then wound onto bobbins attached to a bobbin holder. Each fulcrum guide 13 is a column having a radius of not shorter than 3mm and not longer than 8mm, and the yarn 10 is threaded on the outer circumference of the fulcrum guide 13. By rotating the fulcrum guide 13, the sliding position between the fulcrum guide 13 and the yarn 10 is changed. Furthermore, the movement of the yarn 10 threaded on the fulcrum guide 13 is restrained in the axial directions of the fulcrum guide 13, because the yarn 10 is arranged to pass through a slit 25a made through a restraining guide 25 which is provided above the fulcrum guide 13.