Nozzle yarn separating device

Abstract

The present invention discloses a nozzle yarn separating device. The nozzle yarn separating device includes a square-shaped structure formed by a cover plate, a bottom plate, a rear partition plate, and side plates. Inside the square-shaped structure, there are a nozzle yarn sucking device, a yarn deflecting device, and a yarn guiding device. The nozzle yarn sucking device is controlled by a horizontally arranged first motor and a second motor to achieve the forward and backward movement and the left and right movement of the nozzle yarn sucking device. The yarn deflecting device is controlled by a vertically arranged third motor to achieve the rotation and deflection of the yarn. The present invention uses the cooperation of the nozzle yarn sucking device, the yarn deflecting device, and the yarn guiding device to achieve the forward and backward movement performance of the nozzle and the arc rotation performance, increasing the yarn sucking ability of the nozzle. The upper and lower two yarn deflecting rod structures achieve the technical effect of precise yarn deflection.

Description

Technical Field

[0001] The invention relates to an automatic harness drawing-in machine accessory, in particular to a suction nozzle yarn separating device. Background Art

[0002] At present, before each loom weaves, about 8,000 to 15,000 raw warp fibers need to be passed through each heald on the loom according to a certain rule, and then passed through each reed seam on the reed according to another rule. Each warp fiber must be passed through correctly. The existing automatic heald drawing equipment mainly relies on suction nozzles for yarn absorption, but due to the lack of effective adjustment between the suction nozzle and the yarn, it often leads to the technical disadvantage of inaccurate yarn absorption. How to solve the above technical problems is the subject of research by technicians in this field. Summary of the invention

[0003] The present invention provides a nozzle yarn separation device with simple structure, accurate yarn suction and yarn separation. A nozzle yarn separation device comprises a square frame structure formed by a cover plate, a bottom plate, a rear partition plate and a side plate, wherein a nozzle yarn suction device, a yarn pulling device and a yarn guiding device are arranged in the square frame structure; the nozzle yarn suction device is controlled by a first motor and a second motor arranged horizontally, so as to realize the forward and backward movement and left and right movement of the nozzle yarn suction device; the nozzle yarn suction device comprises a screw connected to the first motor through a coupling, the screw cooperates with a thread sleeve nut, the thread sleeve nut is fixedly mounted on a nozzle seat, a nozzle is connected to the nozzle seat, the screw rotates under the drive of the motor, so that the thread sleeve nut moves forward and backward, that is, the nozzle seat and the nozzle move forward and backward, so as to adjust the distance between the nozzle and the yarn and improve the accuracy of yarn suction; the nozzle seat is also connected to a crank shaft, the crank shaft is connected to a crank connecting rod through a crank, the crank connecting rod is connected to the second motor, and the second motor drives the crank shaft to flip up and down, that is, the nozzle controlled by the nozzle seat has an up and down arc movement, which further increases the accuracy of yarn suction.

[0004] The yarn-prying device is controlled by a third motor arranged vertically to realize the rotation and prying of the yarn and complete the yarn separation function; the yarn-prying device includes a third motor arranged vertically, the third motor drives the first belt to rotate through the first pulley, the first belt is connected to the second belt through the transmission pulley, and the second belt drives the first yarn-prying rod through the second pulley; the transmission pulley is connected to the third pulley through the transmission shaft, the third pulley drives the fourth pulley through the third belt, and the fourth pulley drives the second yarn-prying rod; the first yarn-prying rod and the second yarn-prying rod are arranged up and down. This yarn-prying device adopts the third motor as the power source, remotely controls the first belt, and the first belt drives the second belt and the third belt distributed up and down to realize the control of the first yarn-prying rod and the second yarn-prying rod, so as to achieve the technical purpose of two yarn-prying rods controlling one yarn and improve the yarn-prying and yarn-separating performance.

[0005] The described yarn guiding device includes sheet-shaped yarn plugs and upper yarn stop pieces on the left and right sides of the upper side, and yarn guiding pieces and lower yarn stop pieces on the left and right sides of the lower side. A block-shaped yarn stopper is provided in the middle. A nozzle of the nozzle yarn sucking device is provided in the space surrounded by the sheet-shaped yarn plugs, the upper yarn stop pieces, the yarn guiding pieces, and the lower yarn stop pieces. The yarn guiding piece uses the arc-shaped yarn guiding structure at its end to guide the yarn into the interior of the yarn guiding piece, and the upper yarn stop piece and the lower yarn stop piece control the travel of the yarn, and the sheet-shaped yarn plug cooperates with the yarn guiding piece to prevent the yarn from coming out.

[0006] A yarn hooking rod is installed on the side of the nozzle seat. The end of the yarn hooking rod is provided with a hook head with adjustable length. The hook head on the yarn hooking rod hooks the yarn to assist the nozzle in sucking the yarn.

[0007] An air suction pipe communicating with the nozzle is opened on the body of the nozzle seat. The air suction pipe is connected to a filter through a connecting pipe, and the filter is connected to an air pump to provide suction for the nozzle.

[0008] The sheet-shaped yarn plugs, the upper yarn stop pieces, the yarn guiding pieces, and the lower yarn stop pieces are all installed at the end of the base. The middle of the base is a U-shaped groove. The nozzle seat is embedded in the U-shaped groove. The groove wall of the U-shaped groove is connected to a guiding shaft for guiding the nozzle seat through a bearing, which increases the compactness of the structure and improves the performance of the equipment.

[0009] The present invention realizes the forward and backward movement performance and the arc rotation performance of the nozzle by the mutual cooperation of the nozzle yarn sucking device, the yarn dialing device, and the yarn guiding device, increases the yarn sucking capacity of the nozzle, and the upper and lower two yarn dialing rod structures achieve the technical effect of accurate yarn dialing, and control the range of the yarn through the yarn guiding device. Description of the Drawings

[0010] Figure 1 is a three-dimensional structural schematic diagram of the nozzle yarn separating device of the present invention;

[0011] Figure 2 is an exploded structural schematic diagram of the nozzle yarn separating device of the present invention;

[0012] Figure 3 is Figure 2 an exploded structural schematic diagram with three parts marked in;

[0013] Figure 4 is Figure 3 an exploded structural schematic diagram with 16 parts marked in. Detailed Embodiment

[0014] Such as Figures 1-4A nozzle yarn separating device is shown, which includes a square structure formed by a cover plate 1, a bottom plate 13, a rear partition plate 21, and side plates 2. Inside the square structure, there are a nozzle yarn sucking device, a yarn guiding device, and a yarn separating device, which improves the compactness of the equipment. The outer peripheries of the bottom plate 13 and the rear partition plate 21 are provided with a covering plate 6 and an outer frame plate 9, and a handle 10 is provided on the outer side of the side plate 2 for convenient installation of the equipment.

[0015] As a structural preference, the nozzle yarn sucking device includes a lead screw 24 connected to a first motor through a coupling 25. The lead screw 24 is matched with a lead screw nut 33, and the lead screw nut 33 is fixedly installed on a nozzle seat 39. A nozzle 38 is connected to the nozzle seat 39. An air suction pipe communicating with the nozzle is opened on the body of the nozzle seat 39. The air suction pipe is equivalent to making a through hole on the body of the nozzle seat 39. The air suction pipe is connected to a filter 7 through a connecting pipe 40, and the filter 7 is communicated with an air pump 8. The air pump 8 provides the suction force for the nozzle 38 to suck yarn. An air valve 19 is also provided between the filter 7 and the air pump 8 to control the opening and closing of the gas flow path. The magnitude of the suction force of the nozzle 38 relative to the yarn is determined by driving the front and rear positions of the nozzle seat 39 through the cooperation of the lead screw 24 and the lead screw nut 33. A coupling mounting plate 30 is provided between the lead screw 24 and the coupling 25 to assist the first motor in connecting the lead screw 24.

[0016] The nozzle seat 39 is also connected to a crankshaft 28. The crankshaft 28 is connected to a crank connecting rod 26 through a crank 27, and the crank connecting rod 26 is connected to a second motor 3. The second motor 3 and the first motor are arranged side by side and are both installed on a motor mounting plate 11. A connecting member 4 is provided between the crank connecting rod 26 and the second motor 3 to control the swing rotation of the crank connecting rod 26, that is, the nozzle seat 39, and further improve the ability of the nozzle to obtain yarn. As a further technical structure, a yarn hooking rod 36 is installed on the side of the nozzle seat 39, and an end portion of the yarn hooking rod 36 is provided with a hook head 37 with adjustable length. Generally, the hook head 37 is connected to the yarn hooking rod 36 in a spiral manner to adjust the length of the yarn hooking rod 36.

[0017] The yarn separating device includes a third motor 14 arranged vertically. The third motor 14 drives a first belt 20 to rotate through a first pulley 18. An angle sensor 17 is provided on the side of the first pulley 18, and the angle sensor 17 controls the rotation angle of the third motor 14. The third motor 14 is installed on the bottom plate 13 through a motor mounting plate 15.

[0018] To improve the stability of yarn feeding, the first belt 20 is connected to the second belt 45 through a pulley 46. The second belt 45 drives the first yarn guide rod through a second pulley 44. The pulley 46 is connected to a third pulley 29 through a transmission shaft 48. The third pulley 29 drives a fourth pulley 32 through a third belt 31. The fourth pulley 32 drives the second yarn guide rod 35. The first yarn guide rod and the second yarn guide rod 35 simultaneously move the yarn to complete the yarn feeding function. As a structural preference, the pulley 46 and the transmission shaft 48 are connected to the base 16 through a bearing block 47. The base 16 is also provided with a first connecting piece 42 connecting the first yarn guide rod and a second connecting piece 34 connecting the second yarn guide rod 35.

[0019] The yarn guiding device includes sheet-shaped yarn plugs 43 and upper yarn stop pieces 5 located on the left and right sides of the upper surface, and yarn guiding pieces 53 and lower yarn stop pieces 54 located on the left and right sides of the lower surface. A block-shaped yarn stopper 42 is provided in the middle. A nozzle 38 of the nozzle yarn sucking device is provided in the space surrounded by the sheet-shaped yarn plugs 43, the upper yarn stop pieces 5, the yarn guiding pieces 53, and the lower yarn stop pieces 54. Here, the upper surface and the lower surface refer to the upper surface and the lower surface of the base 16. The space surrounded in this way not only restricts the position of the yarn but also is more conducive to the nozzle 38 sucking the yarn.

[0020] As a further technical structure, the sheet-shaped yarn plugs 43, the upper yarn stop pieces 5, the yarn guiding pieces 53, and the lower yarn stop pieces 54 are all installed at the end of the base 16. The middle of the base 16 is a U-shaped groove. A nozzle seat 39 is embedded in the U-shaped groove. A guide shaft for guiding the nozzle seat is connected to the groove wall of the U-shaped groove through a bearing.

Claims

1. A nozzle yarn splitting device, characterized in that: The described nozzle yarn separating device includes a square-shaped structure formed by a cover plate, a bottom plate, a rear partition plate, and side plates. Inside the square-shaped structure, there are a nozzle yarn sucking device, a yarn deflecting device, and a yarn guiding device. The nozzle yarn sucking device is controlled by a horizontally arranged first motor and a second motor to achieve the forward and backward movement and left and right movement of the nozzle yarn sucking device. The yarn deflecting device is controlled by a vertically arranged third motor to achieve the rotation and deflection of the yarn. The nozzle yarn sucking device includes a lead screw connected by a coupling to a first motor. The lead screw cooperates with a lead screw nut, and the lead screw nut is fixedly installed on a nozzle seat. A nozzle is connected to the nozzle seat. The nozzle seat is also connected to a crankshaft. The crankshaft is connected to a crank connecting rod through a crank, and the crank connecting rod is connected to a second motor. The yarn deflecting device includes a vertically arranged third motor. The third motor drives the rotation of a first belt through a first pulley. The first belt is connected to a second belt through a transmission pulley. The second belt drives a first yarn deflecting rod through a second pulley. The transmission pulley is connected to a third pulley through a transmission shaft. The third pulley drives a fourth pulley through a third belt, and the fourth pulley drives a second yarn deflecting rod. The first yarn deflecting rod and the second yarn deflecting rod are arranged vertically. The transmission pulley and the transmission shaft are connected to a base through a bearing seat. On the base, there is also a first connecting piece connecting the first yarn deflecting rod and a second connecting piece connecting the second yarn deflecting rod. The yarn guiding device includes sheet-shaped yarn stoppers and upper yarn stoppers on the left and right sides of the upper surface of the base, and yarn guiding sheets and lower yarn stoppers on the left and right sides of the lower surface of the base. There is a block-shaped yarn stopper in the middle. A nozzle on the nozzle yarn sucking device is arranged in the space surrounded by the sheet-shaped yarn stoppers, the upper yarn stoppers, the yarn guiding sheets, and the lower yarn stoppers.

2. The yarn separating device for nozzle according to claim 1, wherein: A yarn hooking rod is installed on the side of the nozzle seat, and the end of the yarn hooking rod is provided with a hook head with adjustable length.

3. The nozzle yarn splitting device according to claim 1, wherein: An air suction pipe communicating with the nozzle is opened on the body of the nozzle seat. The air suction pipe is connected to a filter through a connecting pipe, and the filter is communicated with an air pump.

4. The nozzle yarn splitting device according to claim 1, characterized in that: The sheet-shaped yarn stoppers, the upper yarn stoppers, the yarn guiding sheets, and the lower yarn stoppers are all installed at the end of the base. The middle of the base is a U-shaped groove. The nozzle seat is embedded in the U-shaped groove. Guide shafts for guiding the nozzle seat are connected to the groove walls of the U-shaped groove through bearings.

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