The resilient disc sheet type solid compact spinning apparatus of fine spining machine
Technical field
The present invention relates to a kind of textile machine, refer in particular to a kind of resilient disc sheet type solid compact spinning apparatus that is applied to fine spining machine.
Background technology
In traditional fine spining machine spinning operation, through the sliver of drawing-off with certain width and after leaving front roller under the free state, just be processed to yarn immediately, can form a spinning triangular zone in the formation zone of yarn this moment, because the spinning triangular zone loose fibres can not be by better controlled, thereby the many fibers that make the sliver periphery must head can scatter and can not boundling in advance, the fiber that scatters is stretched out yarn and forms " filoplume " that occurs in the spinning outward owing to not closing lightly in the yarn, have a strong impact on yarn quality, reduced the fiber utilization rate.Therefore, must improve the conveying form of sliver before the twisting, though sliver parallel, stretch, closely arrange.At present, method commonly used is to install aggregate device in drafting unit additional, by at negative-pressure air-flow passage of the front roller output area of fine spining machine design, thereby make sliver by the time because the drive of negative-pressure air-flow makes fiber must hair incorporate sliver into twists together.It as the patent No. a kind of compact spinning apparatus of 03228410.1, be fixed on the air intake duct of being with inlet scoop and exhaust outlet on adjacent two roller stands by being provided with two ends, be enclosed within the cohesion cover that has collection surface on outer and the circumferencial direction of air intake duct corresponding to the position, inlet scoop, be stuck in the tensioning apparatus in the cohesion cover, be enclosed within ventilative conveying circle and transmission pressue device that cohesion puts, this compact spinning apparatus can make the fibre bundle of front roller output under the suction function that exhausting system produces, be adsorbed on ventilative the conveying on the circle, and pressurization transmission device and ventilative the conveying under the effect of enclosing, fibre bundle is tightened up, the state that stretches is realized the twisting resultant yarn, this compact spinning apparatus can solve the problem of original " filoplume " preferably, improve yarn quality, but also come with some shortcomings, as complex structure, production cost is higher; And compact spinning apparatus and roller belong to the different dynamic device respectively and drive, and easily cause compact spinning apparatus speed and roller speed asynchronous, thereby form stifled yarn and broken yarn phenomenon.Can not eliminate twist triangle zone and influence yarn qualities.
Summary of the invention
For addressing the above problem, the object of the present invention is to provide a kind of simple in structure, compact, can thoroughly eliminate the triangle spinning district of bottom roll, effectively prevent " filoplume " phenomenon that fine spining machine spinning process occurs, improve the resilient disc sheet type solid compact spinning apparatus of the fine spining machine of yarn quality.
The object of the present invention is achieved like this: a kind of resilient disc sheet type solid compact spinning apparatus of fine spining machine, it is characterized in that: below the bottom roll of fine spining machine, be installed with elasticity guide disc, have circle-shaped groove on the elasticity guide disc, the peripheral groove cross section is the horn mouth shape, the groove top is wealthy, trench bottom is narrow, and bottom land is semicircular.The bottom land size is according to the different relative set of doing of yam count.
The further setting of the present invention is:
Described elastic disc links by central shaft, and central shaft is installed on the gusset piece, and gusset piece is installed on the bottom roll below, and the arrangement position of elasticity guide disc on gusset piece is different because of needs.
Peripheral groove on elasticity guide disc all has some negative pressure apertures at its trench bottom, has negative pressure channel on central shaft, and negative pressure channel and negative pressure aperture and the negative pressure pipe that is installed on the central shaft are unified into a negative pressure system.
Described elasticity guide disc can be hollow, also can be solid; Elasticity guide disc can also rotate, and elasticity guide disc is pressed on the roller, produces static friction power between them.Thereby the roller that rotates can drive elasticity guide disc by this static friction power and do to rotate synchronously.
During work, with the sliver that spues after bottom roll and the roller drawing-off by in the peripheral groove on the elasticity guide disc, coiling along with bottom roll action and spinning spindle spurs like this, sliver moves by elasticity yarn guiding disk peripheral groove, through after turning over some distances, leave the elasticity yarn guiding disk and twisted and be wound on the quill of spinning spindle, finish the Yarn twisting process.In normal operation, the peripheral groove that the yarn that comes out from bottom roll enters the elasticity yarn guiding disk, the peripheral groove cross section is the horn mouth shape, the groove top is wealthy, trench bottom is narrow, sliver is by the narrow bottom boundling of groove, thereby the fiber that will stretch out the sliver outside is closed lightly in the sliver, and around narrow peripheral groove bottom motion, after the absorption of the negative pressure that bottom land negative pressure aperture forms, when the peripheral groove of the last elasticity yarn guiding disk of fast disengaging, at this moment yarn is twisted under the effect that spinning spindle rotates.So sliver comes out after bottom roll and roller drawing-off, this stage is the free zone till the elasticity yarn guiding disk peripheral groove to entering; From entering elasticity yarn guiding disk peripheral groove, up to the circumferential groove end of leaving last elasticity yarn guiding disk, this stage is a cluster area; In a single day sliver leaves the peripheral groove bottom land of last elasticity yarn guiding disk and since the sliver that loses tension to the pressure of peripheral groove and sliver by bottom land negative pressure aperture absorption power, sliver is twisted because of rotation by spinning spindle, this stage is a twisting area.
Like this, sliver through the free zone after, in cluster area, under the effect of the negative pressure that pressure at the bottom of the peripheral groove and between the sliver and negative pressure aperture are produced compacted after, can be with parallel, stretch, state passes through cluster area closely, enter twisting area, under the effect of spindle, twist into yarn, thereby improved the conveying form of fiber before the twisting effectively, effectively eliminated the trigonum in original bottom roll exit, and, improved yarn quality through preventing the generation of " filoplume " in the yarn forming process behind the cluster area, and the action of package unit is carried out synchronously with the action of bottom roll and the coiling effect of spindle, has avoided the generation of stifled yarn and broken yarn phenomenon.
In order to clean groove on the yarn guiding disk, at the sheet of cleaning of placing greasy dirt on the appropriate location of every yarn guiding disk.
Below in conjunction with drawings and Examples the present invention is further described:
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is Fig. 1 side-looking structural representation.
The specific embodiment
As shown in Figure 1 and Figure 2, negative pressure pipe 1 links with central shaft 5, one group of bearing 2 is contained on the central shaft 5, guide disk body 7 is contained on the bearing 2, and elasticity yarn guiding disk 3 is contained on the guide disk body 7, has groove 4 on the yarn guiding disk 3, groove 4 bottom lands have some negative pressure holes 8, central shaft 5 is fixed on the fine spining machine by gusset piece 6, has negative pressure channel 9 on the central shaft 5, and it and negative pressure hole 8, negative pressure pipe 11 are formed negative pressure system.Yarn guiding disk 3 is pressed on the roller 10, and thick sliver 12 is through between roller 10 and the roller 11, and drafted is thin sliver 13, behind the thin sliver 13 process elasticity yarn guiding disks 3, is twisted into yarn 14, is rolled on the quill.
During work, form the structure of one group of elasticity yarn guiding disk 3 that can rotate around central shaft, place roller 10 belows by gusset piece 6, and make elasticity yarn guiding disk 3 be pressed on roller 10 circumferential surfaces by negative pressure pipe 1, central shaft 5, bearing 2, guide disk body 7 and elasticity yarn guiding disk 3.Produce static friction power like this between roller 10 and the elasticity yarn guiding disk 3.Roller 10 rotates and just drives the rotation synchronously of elasticity yarn guiding disk 3 dos.The cross section of circle-shaped groove 4 is horn-like, the groove top is wealthy, bottom land is narrow, and the bottom land semicircular in shape, the bottom land width is decided according to the number of the yarn of being processed 14, for convenient for production, the circle-shaped groove 4 on the elasticity yarn guiding disk 3 can be set to different in width, so just can select corresponding groove 4 according to the number of yarn 14.During work, the yarn 14 that the sliver 13 and the spindle end of drawing-off earlier stretch out links, in the smooth groove 4 of elasticity yarn guiding disk 3 circumference that yarn 14 and its number are complementary.In the present embodiment, sliver 13 enters sliver 13 after the peripheral groove 4 along with the bottom roll motion on elasticity yarn guiding disk 3.To the E point, twisted into yarn 14, the A point that has so just formed bottom roll 10 comes out to the free zone that B is ordered on the peripheral groove 4 of yarn guiding disk 3; By the cluster area of peripheral groove 4 bottoms that enter yarn guiding disk 3 till the E point; Sliver 13 by boundling form parallel, stretch, state closely, stretch at the yarn of sliver 13 outsides and also can be closed lightly in the sliver 13.Sliver 13 is during from the E point of peripheral groove 4 bottoms that break away from elasticity yarn guiding disk 3, because the pressure between groove 4 bottoms and the sliver 13 disappears, sliver 13 can with parallel, stretch, closely under the boundling state by spinning spindle because yarn 14 is twisted in rotation at a high speed by the rings steel traveler.Effectively eliminate original twist triangle zone, eliminated the fiber radial pressure maximum of the trigonum edge that produces because of trigonum twisting, fiber radial pressure minimum at yarn axle center, because the stressed difference of ectonexine fiber, will produce from inside to outside and the transfer repeatedly from outside to inside of fiber in twist triangle zone, the two ends of fiber also often are exposed to the outside and form the disease of sheltering of filoplume.
So just can effectively improve the quality of yarn 14.Only allow sliver 13 passive passing through because of elasticity yarn guiding disk 3 again, whole sliver 13 motions are undertaken by bottom roll 10 synchronized movement, broken yarn, the stifled yarn phenomenon of having avoided the asynchronous motion of original compact yarn device to produce.