TMT Machinery

An object of the present invention is to effectively suppress discharge sound of air discharged from a cyclone separator.A discharge sound suppressor 60 is provided to suppress discharge sound of air discharged from an air discharge unit 50 of a cyclone separator 30 configured to separate fiber waste from air and to discharge (i) the separated fiber waste into a fiber waste recovery container and (ii) the air separated from the fiber waste from the air discharge unit 50. The discharge sound suppressor 60 includes a main body portion 64 which is substantially cylindrical in shape and in which a passage space Sf is formed to extend from one end portion to the other end portion of the main body portion 64 in a flow direction, and one end portion of the main body portion 64 is connected to the air discharge unit 50. In the main body portion 64, stagnation spaces Ss are formed outside of the passage space Sf in a direction orthogonal to the flow direction, aligned in the flow direction, and have at least two stagnation spaces Ss with different capacities.

A yarn waste collection cyclone separator configured to suppress clogging of yarn wastes in an internal space is provided. A cyclone separator 30 includes: a first member and a second member (a side wall member 34 and a top panel member 36, and a top panel member 36 and an insertion member 51) defining an internal space 90 where a yarn waste Yw is separated from air; and joints (a first joint 81 and a second joint 82) where the first member and the second member are joined to each other. Between the internal space 90 and the joint, gap portions (the first gap portion 84 and the second gap portion 85) are formed to allow a yarn waste Yw to enter and leave the gap portion.

A function of an air discharge section is sufficiently ensured while discharge of yarn wastes from an air discharge section to the external space is suppressed. A yarn waste collection device 1 has a yarn waste transfer pipe 11, a yarn waste collector 13, and a cyclone separator 30 provided between the yarn waste transfer pipe 11 and the yarn waste collector 13. The cyclone separator 30 includes a separation section 32, a yarn waste discharge part 34d, an air discharge section 50 having an air discharge port 55, a regulator 52 which is provided to cover the air discharge port 55 in order to restrict movement of a yarn waste Yw to the external space. The regulator 52 is a porous plate member. The thickness direction of the regulator 52 is the same direction as the axial direction of the cylindrical separation section 32. The aperture area of one or more hole 56 formed in the regulator 52 is larger than the cross-sectional area of the yarn waste Yw. The thickness T (mm) of the regulator 52 is equal to or more than 5 mm and is equal to or less than 100 mm.

The invention relates to a long-member vibration suppression system comprising: a tube-shaped long member (22) which is long in one direction and which is bent due to vibration; and an attenuation member (30) which is pipe-shaped and which is used in an attached state of being attached to the long member (22) so as to extend in the one direction for suppressing vibration of the long member (22), the attenuation member (30) including: a fixed portion (32) which is positionally fixed to the long member (22) in the one direction while the attenuation member (30) is in the attached state; and a contact portion (31) which is positionally different from the fixed portion (32) in the one direction, which is configured to make contact with and press an elongated surface (22a), and which is movable relative to the elongated surface (22a) in the one direction while the attenuation member (30) is in the attached state, the elongated surface (22a) being an inner side surface of the long member (22) and extending along the one direction, at least one slit (35) being formed in the attenuation member (30), the at least one slit (35) extending in the one direction and being open at least at one end portion of the attenuation member (30) while the attenuation member (30) is in the attached state, the one end portion of the attenuation member (30) being provided on one side in the one direction, the contact portion (31) of the attenuation member (30) in the attached state being formed in a region where the at least one slit (35) is formed in the one direction, and the attenuation member (30) being inserted into the long member (22) while the contact portion (31) is compressed in size in an orthogonal direction orthogonal to the one direction by the at least one slit (35).

A yarn threading device capable of improving the efficiency of yarn threading is provided. An aspirator 11 configured to suck and hold running yarns Y spun out from a spinning apparatus 2 before they are threaded to a yarn threading target member of a spun yarn take-up machine 3 includes a suction nozzle 51 and a guide unit 42. The suction nozzle 51 includes a suction port 62a and is configured to be able to suck and hold yarns Y while being connected to a suction source via a pipe. The guide unit 42 is attachable to and detachable from the suction nozzle 51. In a detached state, for the purpose of threading the yarns Y to the yarn threading target member, the guide unit 42 is configured to be movable independently from the suction nozzle 51 and to be capable of operating the yarns Y and guiding the yarns Y to the suction port 62a.

A yarn threading robot capable of improving the efficiency of yarn threading is provided. A yarn threading robot 4 includes a suction nozzle 51, a guide unit 42, and a robotic arm 32. The suction nozzle 51 includes a suction port 62a and is configured to be able to suck and hold yarns Y while being connected to a suction source via a pipe. For the purpose of threading the yarns Y to a yarn threading target member, the guide unit 42 is configured to be movable relative to the suction nozzle 51 and to be capable of operating the yarns Y and guiding the yarns Y to the suction port 62a. The robotic arm 32 is configured to be able to drive and move the guide unit 42 in any directions independently from the suction nozzle 51.

To provide a yarn feed package supplying device that can suppress breakage of components when a yarn feed package is delivered or received and can also deliver or receive a yarn feed package, without any problem regardless of variations in distance to the delivery target or the distance from the receiving target. The yarn feed package supplying device includes: a push-out mechanism configured to push out a yarn feed package P hooked on pegs 70, from the distal end portions thereof; and a base part 62. The push-out mechanism includes a push-out member 92, a cylinder 75 configured to move the push-out member 92, and a reaction force absorbing mechanism 130. The push-out member 92 comes into contact with an end surface 161 of a paper tube 160 of the yarn feed package P, which is hooked on the pegs 70, when the push-out member 92 is moved toward the distal end portions. The cylinder 75 is supported by the base part 62, and exerts a pushing force F2 larger than a force necessary to push out the yarn feed package P. The reaction force absorbing mechanism 130 is actuated by a force smaller than the pushing force F2 of the cylinder 75 when a reaction force F4 larger than a force necessary to push out the yarn feed package P is exerted, thereby absorbing the reaction force F4 exerted on the push-out member 92.

To provide a yarn feed package supplying device that can push out, from the peg shaft, the yarn feed package hooked on the peg shaft, without damaging the yarn layer of the yarn feed package. The yarn feed package supplying device includes: pegs 70 configured to allow a yarn feed package P, in which yarn is wound around a paper tube 160 to form a yarn layer, to be hooked thereon, distal end portions of the pegs 70 being free ends; and a push-out mechanism configured to push out the yarn feed package P, which is hooked on the pegs 70, from the distal ends of the pegs 70. The push-out mechanism includes a push-out member 92 and a cylinder 75 configured to move the push-out member 92 toward one end portion. The push-out member 92 is configured to come into contact with a first section and a second section of an end surface of the paper tube 160 of the yarn feed package P when the push-out member 92 is moved toward the one end portion, the first section and the second section being located at different positions in a height direction, and the push-out member 92 is configured to be capable of performing pendulum motion in the height direction by using a supporting shaft 87 as a turning fulcrum, the supporting shaft 87 being provided between a first portion and a second portion in the height direction, the first portion and the second portion respectively coming into contact with the first section and the second section.

To suppress the consumption of compressed air in a textile machine equipped with a yarn waste collection device. The winding device (4) is arranged in a plurality in a predetermined direction. The yarn waste collection device (5) includes a yarn waste transfer pipe (28) provided along the arrangement direction of the winding devices (4), a plurality of suction pipes (30) connected to the yarn waste transfer pipe (28), a compressed air switching valve for suction transfer (31) connected to each suction pipe (30) to switch the supply of compressed air for suction transfer, and an auxiliary compressed air switching valve (41) connected to the yarn waste transfer pipe (28) to switch the supply of auxiliary compressed air. The auxiliary compressed air switching valve (41) is switched to a state of supplying auxiliary compressed air when at least one of the compressed air switching valves for suction transfer (31) is in a state of supplying compressed air for suction transfer, and is switched to a state of stopping the supply of auxiliary compressed air when the plurality of compressed air switching valves for suction transfer (31) are in a predetermined switching state, even when at least one of the compressed air switching valves for suction transfer (31) is in a state of supplying compressed air for suction transfer.

To suppress the consumption of compressed air in a textile machine employing a sequence doffing method. Winding devices 4 are arranged in a plurality of columns and a plurality of stages. A yarn waste collection device 5 includes a yarn waste transfer pipe 28 provided in each stage, each yarn waste transfer pipe 28 is connected to a plurality of suction pipes 30. Each compressed air switching valve for suction transfer 31 connected to each suction pipe 30 is switched to a state of supplying compressed air for suction transfer during a doffing operation of the winding device 4. An auxiliary compressed air switching valve 41 connected to each yarn waste transfer pipe 28 is switched to a state of supplying auxiliary compressed air when the compressed air switching valve for suction transfer 31 is switched to a supply state. The doffing operations are performed, for each winding device 4, sequentially with a shift at predetermined intervals, and are performed partially overlappingly. The order of the doffing operations can be set such that the doffing operations are performed in the plurality of winding devices 4 in one stage, and thereafter, the doffing operations proceed to the plurality of winding devices 4 in another stage.