CN103498224A - Method and device for spinning ring spun yarn in negative pressure airflow suction mode - Google Patents
Method and device for spinning ring spun yarn in negative pressure airflow suction mode Download PDFInfo
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- CN103498224A CN103498224A CN201310403847.XA CN201310403847A CN103498224A CN 103498224 A CN103498224 A CN 103498224A CN 201310403847 A CN201310403847 A CN 201310403847A CN 103498224 A CN103498224 A CN 103498224A
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- YNPNZTXNASCQKK-UHFFFAOYSA-N phenanthrene Chemical compound C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 description 2
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Abstract
Provided is a method and device for spinning ring spun yarn in a negative pressure airflow suction mode. A negative pressure airflow suction mode delivery device is arranged on a yarn channel on the outlet side of front rollers of a ring spinning frame, fiber stripes discharged from the front rollers are led in a yarn inlet to be collected into bundles and twisted into yarn by airflow generated in the yarn inlet in a negative pressure air bin once the fiber stripes are discharged by a front roller jaw. Negative airflow is adopted in spinning, the fiber stripes discharged by the front rollers are sucked and collected in time, and through the adjustment and the changing of the relative positions of the yarn inlet and the fiber stripes, the changing of the shape of the yarn inlet and the changing of the shape of inner cavity of a yarn channel of the yarn inlet, filaments and fiber ends located on the edges of the fiber strips are prevented from drifting, the twisting effect of fibers in the fiber bundles is controlled, and the generation of long hairiness is reduced. In the spinning process, the form of a spinning triangular space of the twisting of the fiber stripes is changed, the distribution and the structure of the fibers in resultant yarn are influenced, and the mechanical property of the yarn is changed.
Description
Technical field
The invention belongs to spinning shaping manufacture field, relate to a kind of ring spindle yarn negative-pressure air-flow suction-type spinning method and be applicable to the device of the method.
Background technology
The yarn plumage that becomes mildewed is the Harmful Defect of yarn, the structure of yarn is very large to the Relationship between Mechanical of yarn, for thin elimination the in the ring spindle yarn manufacturing procedure is harmful to the plumage that becomes mildewed, improve the mechanical property of yarn, gathering and twisted of the fiber strip that people export for front roller, multiple spinning method has been proposed: compact spinning---at fiber output front roller, before entering twisting area, utilize air-flow fiber strip, be integrated on the surface of a porous, because the negative-pressure air-flow suction is aggregated, dwindle jaw place fiber strip width; The match network spins---two rove that keep a determining deviation of feeding on fine spining machine, after drawing-off, export this two single thread yarns by front roller, because the transmission of the twist makes on the single thread yarn, with a small amount of twist, further to be added the yarn that is twisted similar plying after amalgamation; Match network phenanthrene spins---and spin on basis and change at the match network, at ring throstle, the staple fibre yarn after one threads and another root drawing-off is handed over and is twisted yarn; The spinning of rope sieve---install the roller of cutting apart that there are many grooves on a surface additional under front roller, utilize groove that the flat yarn of exporting under front jaw is divided into to many fillets, these fiber fillets turn round around self twisting with the fingers the heart due to twist transmission, with a small amount of twist, converged twisting again, formed the hawser yarn that similar multiply sliver is twisted; Match network compact spinning---take compact spinning as basis, be equipped with the match network and spin characteristic; Air-Jet Spinning---utilize after the jet-stream wind counter extensioin when ribbon is implemented false twisting, on ribbon, some open-fibre end loopings are in the ribbon periphery.
Summary of the invention
One object of the present invention is to provide a kind of ring spindle yarn negative-pressure air-flow suction-type spinning method, adopts negative pressure to form air-flow, and yarn inlet directly sucks, gathers fiber strip, adopt dynamic yarn inlet, change twist triangle zone form, reduce the generation of the plumage that becomes mildewed, and changes the mechanical property of yarn.
Another object of the present invention is to provide a kind of ring spindle yarn negative-pressure air-flow suction-type spinning jointing method, for the realization of spinning method of the present invention.
A further object of the present invention is to provide a kind of ring spindle yarn negative-pressure air-flow suction-type spinning apparatus, at the front roller outlet side, the negative-pressure air-flow suction-type delivery device that the Tape movement joint refers to is set,, to realize spinning method of the present invention and jointing method.
A kind of ring spindle yarn negative-pressure air-flow of the present invention suction-type spinning method, on the front roller outlet side yarn road of ring throstle, be provided with negative-pressure air-flow suction-type delivery device, negative-pressure air-flow suction-type delivery device main body is one and is communicated with the negative pressure air source, inner chamber maintains the negative air compression cabin of certain air negative pressure, negative air compression cabin is provided with and connects inside and outside yarn inlet yarn road and the yarn outlet yarn road of negative air compression cabin, produce because of negative pressure the air-flow that ecto-entad flows to negative air compression cabin inner chamber in the yarn road, the yarn inlet in yarn inlet yarn road is pressed close to front roller nip, during spinning, a branch of or two bundle fiber yarns after roller draft, once front roller nip, export, entered yarn inlet yarn road by the airstream suction in yarn inlet yarn road on negative air compression cabin immediately, yarn inlet in yarn inlet yarn road, be subject to placing restrictions on of yarn inlet shape and yarn inlet and fiber strip relative position to gather bunchy, simultaneously under the rotary action of fine spining machine spindle or false twister, the yarn turn is passed to before and after yarn inlet, form twist triangle zone between yarn inlet and front roller nip, the fiber of twist triangle zone guides at air-flow, under the placing restrictions on of yarn inlet shape and position, gather the twisted resultant yarn, draw in the yarn outlet yarn road of yarn after twisted from negative air compression cabin, through twizzle, after steel traveler, be wound on spool, the air-flow that ring spindle yarn negative-pressure air-flow suction-type spinning method adopts negative pressure to produce, mode with direct suction, at close front roller nip place, the instant fiber strip of front roller output that attracts enters yarn inlet yarn road, stop and be positioned at the filament at fiber strip edge and flying away of fiber head end, relative position by change yarn inlet and front roller output fiber yarn, change the shape in yarn inlet port cross section, control the form with twist triangle zone of gathering of fiber strip, adopt the twisted yarn of revolution of spindle (drive steel traveler) or false twister, in twist triangle zone, limit is gathered, limit is twisted, realize airflow concentration and twisting synchronous effect, reduce on yarn the generation of the plumage that becomes mildewed, change the mechanical property of yarn, the relative position of described change yarn inlet and front roller output fiber yarn, it is prior levelling, in spinning process, remain unchanged, or in spinning process, the relative position of dynamic change yarn inlet and front roller output fiber yarn.
A kind of ring spindle yarn negative-pressure air-flow suction-type spinning, the rove bar of the every ingot feeding of ring throstle drafter drawing-off is single, single bundle fiber yarn through front roller output is sucked yarn inlet yarn road by air-flow, through yarn outlet yarn road, draw, the twisting of fiber strip, under the rotary action of spindle (drive steel traveler) or false twister, by revolution twisted resultant yarn, perhaps the rove bar of the every ingot feeding of ring throstle drafter drawing-off is two that walk abreast, the two bundle fiber yarns through front roller output, under the effect of air-flow, two yarn inlets through Y shape yarn inlet yarn road suck respectively, in yarn inlet yarn road, converge, twisted, from yarn outlet yarn road, draw, fiber strip is under the rotary action of spindle (drive steel traveler) or false twister, revolution twisted resultant yarn, after the two bundle fiber yarns that air-flow is exported front roller gather bunchy respectively, converge again twisted, two bundle fiber yarns are a strand knot structure twisted.
A kind of ring spindle yarn negative-pressure air-flow suction-type spinning, in spinning process, on negative air compression cabin, the fiber strip relative position of the yarn inlet in yarn inlet yarn road and front roller output is changeless, perhaps the fiber strip relative position of the yarn inlet in yarn inlet yarn road and front roller output is dynamic change, during dynamic change, it is axis that yarn inlet on negative air compression cabin be take the fiber strip center of front roller output all the time, horizontal direction left and right along roller shaft swings fast, the principal element of determining the yarn inlet swing speed is the average length L (mm) of spun rove bar fiber, front roller line linear resonance surface velocity S (mm/ second), at front roller, turn over while being equal to average fiber length L girth, yarn inlet at least will complete from left to right or unidirectional swing of right-to-left, be that to take left and right each second be back and forth the hunting frequency of a circulation, be greater than S/2L time, the dynamic change of the fiber strip relative position of the yarn inlet in yarn inlet yarn road and front roller output, making take front roller nip place fiber strip width is base, the both sides fiber is hypotenuse, the twisting triangle that the fiber milling angle is summit, with swinging of yarn inlet, the position at twist triangle zone fiber milling angle is mobile changing thereupon, cause the fiber of twist triangle zone both sides in the twisted process, tension force changes, the inside and outside intensity of variation alternately shifted of aggravation both sides fiber, by controlling the hunting frequency of yarn inlet, realize controlling fiber in the Yarn twisting process, the inside and outside degree changed that shifts occurs, change yarn texture, the final mechanical property that changes yarn.
Another object of the present invention is to provide a kind of ring spindle yarn negative-pressure air-flow suction-type spinning jointing method, during the spinning start or after broken end, the fiber strip of front roller output, by the air-flow negative suction gas storehouse in yarn inlet yarn road, in negative air compression cabin inside, the fiber strip sucked is along airflow direction, be drawn towards, enter the access port be communicated with the negative pressure source of the gas, in negative air compression cabin, adopt the joint of a Telescopic movable to refer to, joint refers to establish one and connects the inside and outside yarn outlet yarn road of negative air compression cabin, and be provided with auxiliary aspirating unit, when repiece is drawn yarn, joint points to outer exiting, in drawing the yarn position, now, under the airflow function that negative pressure air produces in negative air compression cabin, repiece is drawn the direction that yarn can deflect from against spinning, refer to connect the yarn outlet yarn road inside and outside negative air compression cabin from joint, be drawn in negative air compression cabin, the control repiece is drawn yarn and is necessarily sucked length, the repiece sucked draw the yarn tail end will be in negative air compression cabin air flow direction, float towards the same direction that fiber strip siphons away, advance movably joint to refer to the apex joint position, repiece is drawn the yarn tail end and is overlapped with fiber strip, joint refers to that the lateral surface of entrance point and the inwall in negative air compression cabin form gentle resilient clamp or the microgap clamping of repiece being drawn to yarn tail end and fiber strip, the repiece be held is drawn yarn yarn tail can produce slippage in the effect of spinning tension, simultaneously along with joint refers to be advanced into summit, the auxiliary aspirating unit that joint refers to and negative pressure source of the gas are connected, the air-flow that the negative pressure source of the gas produces by auxiliary aspirating unit, change joint and refer to the air flow direction in the local yarn of yarn outlet yarn road entrance point road, attract fiber strip to enter the entrance point that joint refers to yarn outlet yarn road, fiber strip draws under the slippage friction drive of yarn in airstream suction and repiece, enter joint and refer to yarn outlet yarn road, draw yarn yarn tail end twisted with repiece, drive the revolution twisting of fiber strip, realize that repiece draws the twisted joint of yarn and fiber strip, the joint that unclamps propelling refers to, joint refers in the effect of spring force or adds under artificial operation, return back to normal yarning position, ring spindle yarn negative-pressure air-flow suction-type spinning connector by using joint refers to that the mobile of position changes in negative air compression cabin, yarn is drawn in realization, joint, spinning, repiece is drawn yarn by the air-flow that in negative air compression cabin, negative pressure produces, in reverse negative suction gas storehouse, yarn outlet yarn road, it is in check that the repiece sucked is drawn yarn length, in negative air compression cabin, repiece is drawn the yarn yarn and is trailed the movement that movably joint refers to and move, in joint location, repiece is drawn yarn and is pressed close to, fiber strip in contact negative suction gas storehouse, and be subject to joint to refer to the clamping of outer wall and negative air compression cabin inwall, the size of its chucking power, can guarantee that repiece draws yarn under the effect of spinning tension, from yarn outlet yarn road, deflect from, when joint refers to move to joint location, the auxiliary aspirating unit that joint refers to and negative pressure source of the gas are connected, the air-flow that the negative pressure source of the gas produces by auxiliary aspirating unit, change joint and refer to the air flow direction in the local yarn of yarn outlet yarn road entrance point road, the friction of drawing yarn yarn tail end in repiece drives under the attraction guiding of gentle stream, fiber strip enters yarn outlet yarn road, draw yarn with repiece overlaps in yarn outlet yarn road, under the rotary action of spindle or false twister, fiber strip draws yarn yarn tail twisted with repiece and is connected.
A kind of ring spindle yarn negative-pressure air-flow suction-type spinning jointing method, in the joint process, because drawing yarn, joint, the needs of spinning, when joint refers to move to different positions, by air door, open, leading between pass or negative pressure air source access port and auxiliary aspirating unit, close, negative pressure air source access port effective aperture is large, little change, change negative air compression cabin inner chamber, auxiliary aspirating unit, air flow rate in yarn outlet yarn road, direction, joint refers in drawing the yarn position, joint location is to rely on adjustable limiting plate, limited block is controlled, joint refers to that being adjusted to yarning position from joint location is to automatically reply or operation manually by spring force, joint refers to that exiting to drawing the yarn position from yarning position is to control manually, or by yarn break sensor is set on yarn path, after Yarn break, by electromagnetism traverse switch, automatically joint is referred to retreat to and draw the yarn position.
A further object of the present invention is to provide a kind of ring spindle yarn negative-pressure air-flow suction-type spinning apparatus, device is by support, negative-pressure air-flow suction-type delivery device and at least one negative pressure air source form, described support is for installing negative-pressure air-flow suction-type delivery device, the primary clustering of described negative-pressure air-flow suction-type delivery device is negative air compression cabin, the yarn inlet thread-carrier, joint refers to, negative air compression cabin, the yarn inlet thread-carrier, joint refers to it is the sub-assembly that single part or a plurality of part combine, described negative pressure air source is the equipment that suction produces negative pressure to air, has a negative pressure source of the gas access port at least on negative air compression cabin, negative air compression cabin at least is communicated with a negative pressure air source, when negative air compression cabin is connected with a plurality of negative pressure airs source, the negative pressure value difference in each negative pressure air source, the air negative pressure value produced from the negative pressure source of the gas access port of its connection is just different, the mode that each access port is communicated with is to continue to be communicated with, or intermittent communicated by Air Valve Control, the negative pressure gas position in storehouse of negative-pressure air-flow suction-type delivery device in front roller outlet side jaw to the yarn path of twizzle, in yarn path, forward roller one side is provided with the yarn inlet thread-carrier to negative air compression cabin, the yarn inlet yarn road that there is the pore shape on the yarn inlet thread-carrier, yarn inlet yarn road aperture 1～5mm, length 4～20mm, the yarn inlet in yarn inlet yarn road is pressed close to front roller nip, the other end in yarn inlet yarn road leads to negative air compression cabin inner chamber, different model, specification, the yarn inlet thread-carrier of different yarn road shapes, shape with negative air compression cabin connecting portion, consistent size is interchangeable, negative air compression cabin inner chamber has the joint of a Telescopic movable to refer to, joint refers to have one to connect the inside and outside yarn outlet yarn road of negative air compression cabin, yarn road aperture 1～5mm, joint refers to that the entrance point in yarn outlet yarn road is in negative air compression cabin, other end yarn outlet is outside negative air compression cabin, the yarn inlet yarn road of yarn inlet thread-carrier and the yarn outlet yarn road that joint refers to form the yarn-guiding duct of negative air compression cabin inside, joint refers to the auxiliary aspirating unit that has at least to be communicated with yarn outlet yarn road, auxiliary aspirating unit axis and yarn outlet yarn road axis angle in an acute angle, angular range is at 10～45 °, the oblique yarn outlet yarn of ecto-entad road entrance point direction, the aperture that auxiliary aspirating unit is communicated with yarn outlet yarn road is 0.2～0.8mm, the auxiliary aspirating unit other end, when joint refers in joint location, with the negative pressure source of the gas, be communicated with, under suction function, the entrance point that refers to yarn outlet yarn road from auxiliary aspirating unit to joint produces the air-flow sucked, attract fiber strip to draw yarn yarn tail with repiece and enter the entrance point that joint refers to yarn outlet yarn road, joint refers to that the profile of entrance point is conical, joint refers to when joint location, refer to that with joint the yarn inlet thread-carrier at the conical corresponding position of entrance point or the cavity shape of negative air compression cabin are the circular cone hole shape, joint refers to that the cone of entrance point stretches in the conical bore of yarn inlet thread-carrier or negative air compression cabin, formation is drawn gentle elasticity or the microgap of yarn tail end and fiber strip to repiece, the clamping of slip.
A kind of ring spindle yarn negative-pressure air-flow suction-type spinning apparatus, joint refers to be advanced into joint location, press close to or contact with the inwall of yarn inlet thread-carrier or negative air compression cabin, formation is drawn gentle elasticity or the microgap of yarn tail end and fiber strip to repiece, the clamping of slip, joint refers to that entrance point cone appearance is smooth or is covered with the elastic colloid circle, joint refers to when joint location, the circular cone hole wall of elastic colloid circle and yarn inlet thread-carrier or negative air compression cabin forms the gentle Elastic Contact of repiece being drawn to yarn yarn tail and fiber strip, joint refers to it is an integral single piece or by the joint finger, the joint fingerstall, the sub-assembly that spring forms, the joint fingerstall, spring housing is contained on the joint finger, when joint refers to advance, the joint fingerstall promotes the joint finger by spring and contacts with gas storehouse inwall, the resilient clamp of yarn yarn tail and fiber strip is drawn in formation to repiece, with adjusting the spring specification, adjust the limited block of controlling traverse, control its resilient clamp power, perhaps joint refers to that entrance point cone outer surface is smooth, perhaps joint refers to that entrance point cone outer surface is fluted along the cone line, perhaps along circumference, concavo-convex edge is arranged, joint refers to when joint location, joint refers to that entrance point outer surface and negative air compression cabin circular cone hole wall form straight line or microgap curve, when repiece is drawn yarn and is deflected under the spinning tension effect, repiece is drawn to yarn yarn tail and produce frictional resistance, form the clamping of lax slip, the speed that deflects from that the slow repiece of resistance is drawn yarn, the output speed that makes repiece draw the sliding velocity of yarn yarn tail and fiber strip keeps about equally.
A kind of ring spindle yarn negative-pressure air-flow suction-type spinning apparatus, movably joint refers to have a shaft shoulder corresponding with negative air compression cabin access port, control the size of negative pressure source of the gas access port effective aperture, when joint refers in joint location, the movement that the shaft shoulder refers to joint, can reduce or block the negative pressure source of the gas access port that is communicated with negative air compression cabin inner chamber.
A kind of ring spindle yarn negative-pressure air-flow suction-type spinning apparatus, mobile joint refers in spinning, repiece, each link of joint, three kinds of state positions are arranged: yarning position, draw the yarn position, joint location, joint refers in drawing the yarn position, joint refers to that the extreme position stretched out is placed restrictions on by limiting plate, joint refers in joint location, joint refers to that the extreme position advanced is placed restrictions on by limited block, the spacing position of limited block can be finely tuned, joint refers to retreat to yarning position by joint location, it is the effect that is subject to returning spring, returning spring is arranged on negative air compression cabin, when joint refers to be advanced into joint location, returning spring is compressed, during thrust release, the elastic force of returning spring refers to return back to yarning position by joint, the reply traverse that the returning spring butt joint refers to is adjustable, after broken end, joint refers to be retreated to and drawn the yarn position or automatically retreated to and drawn the yarn position by Electromagnetic Control by manually-operated, perhaps mobile joint refers in spinning, repiece, each link of joint is two kinds of state positions: spin and draw the yarn position, joint location, joint refers in spinning and draws the yarn position, joint refers to that the extreme position stretched out is placed restrictions on by limiting plate, joint refers in joint location, joint refers to that the extreme position advanced is placed restrictions on by limited block, the spacing position of limited block can be finely tuned, joint refers to by spinning and draws the yarn position be advanced into joint location, or retreat to spinning and draw the yarn position by joint location, controlled by artificial operation, directly retreat to spinning and draw the yarn position, or be subject to Electromagnetic Control automatically return to spinning and draw the yarn position.
A kind of ring spindle yarn negative-pressure air-flow suction-type spinning apparatus, the yarn inlet yarn road of yarn inlet thread-carrier is in-line or Y shape or a tortuous word abnormity, the yarn inlet port shape is straight-through shape or tubaeform, the yarn inlet cross section is circular or oval or triangle or square or rectangle or comb-shape, yarn inlet yarn road shape of cross section is circular, or oval, or triangle, or square, or rectangle.
A kind of ring spindle yarn negative-pressure air-flow suction-type spinning apparatus, negative-pressure air-flow suction-type delivery device is rack-mount, support is fixed with respect to fine voile machine, or swing back and forth, or move back and forth, negative-pressure air-flow suction-type delivery device moves with swing or the rotation of support, makes the yarn inlet of yarn inlet thread-carrier do to be parallel to front roller axis direction reciprocally swinging or movement, swings or mobile traverse 1.5～6mm.
The beneficial effect that the present invention realizes:
The plumage that becomes mildewed of yarn is unfavorable for the processing of yarn Hou road, the distributed architecture of fiber in yarn, mechanical property to yarn has a great impact, reduce harmful plumage that becomes mildewed, improve the yarn mechanics performance, it is the problem that many textile technology personnel study all the time, it is also the key technology of spinning, the present invention proposes a kind of ring spindle yarn negative-pressure air-flow suction-type spinning method, utilize negative-pressure air-flow, direct absorption and control front roller nip place fiber effectively, stop flying away of fiber, reduce the generation of harmful plumage that becomes mildewed, and utilize yarn inlet to swing, control, change the twisted tension variation of fiber in twist triangle zone, the distribution of regulation and control fiber in the resultant yarn process, reach the control break yarn formation structure, for improving the resultant yarn mechanical property, a kind of technical scheme and means are provided.
The accompanying drawing explanation
Fig. 1 is a kind of ring spindle yarn negative-pressure air-flow of the present invention suction-type spinning spinning schematic diagram;
Fig. 2 is a kind of ring spindle yarn negative-pressure air-flow of the present invention suction-type spinning apparatus schematic diagram;
Fig. 3 is that joint of the present invention refers to spinning, joint, draws the schematic diagram of yarn position;
Fig. 4 is joint finger head of the present invention, spins and another schematic diagram that draws the yarn position;
Fig. 5 is a kind of negative-pressure air-flow suction-type of the present invention spinning apparatus structural representation;
Fig. 6 is the schematic diagram that twist triangle zone of the present invention changes;
The structural representation that Fig. 7 is negative-pressure air-flow suction-type delivery device of the present invention and support;
The structural representation that Fig. 8 is runner of the present invention and rotor;
Fig. 9 is the different yarns of yarn inlet thread-carrier of the present invention road form schematic diagram;
Figure 10 is the straight-through shape of yarn inlet thread-carrier of the present invention and tubaeform yarn road form schematic diagram;
The specific embodiment
Below with a kind of structure, function of ring spindle yarn negative-pressure air-flow suction-type spinning apparatus, describe technical scheme of the present invention in detail.The embodiment of the present invention is only for the explanation concrete grammar, and its scale of the method is not subject to the restriction of embodiment.
Embodiment
As Fig. 1, Fig. 2, shown in Fig. 3, a kind of ring spindle yarn negative-pressure air-flow suction-type spinning apparatus signal, device is by support 8, negative-pressure air-flow suction-type delivery device 2 and negative pressure air source 31, 32 form, described support 8 is for installing negative-pressure air-flow suction-type delivery device 2, the primary clustering of described negative-pressure air-flow suction-type delivery device 2 is negative air compression cabins 21, yarn inlet thread-carrier 22, joint refers to 23, negative air compression cabin 21, yarn inlet thread-carrier 22, joint refers to that 23 is sub-assemblies that single part or a plurality of part combine, described negative pressure air source 31, the 32nd, to air, suction produces the equipment of negative pressure, pass through tracheae, air valve is connected with negative air compression cabin, for drawing clear, in figure, only by hollow arrow, illustrate, on negative air compression cabin 21, negative pressure source of the gas access port 211 is arranged, 212, respectively with negative pressure air source 31, 32 connect, the negative air compression cabin 21 of negative-pressure air-flow suction-type delivery device 2 is positioned at front roller 1 outlet side jaw to the yarn path of twizzle, in yarn path, forward roller 1 one sides are provided with yarn inlet thread-carrier 22 to negative air compression cabin 21, the yarn inlet yarn road 221 that there is the pore shape on the yarn inlet thread-carrier, the yarn inlet A1 in yarn inlet yarn road 221 presses close to front roller nip, the other end in yarn inlet yarn road 221 leads to negative air compression cabin 21 inner chambers, different model, specification, the yarn inlet thread-carrier 22 of different yarn road shapes, shape with negative air compression cabin 21 points of attachment, consistent size is interchangeable, negative air compression cabin inner chamber has the joint of a Telescopic movable to refer to 23, joint refers on 23 have one to connect the inside and outside yarn outlet yarn road 231 of negative air compression cabin, joint refers to that the entrance point C1 in yarn outlet yarn road 231 is in negative air compression cabin 21, other end yarn outlet C2 is outside negative air compression cabin 21, yarn inlet yarn road 221 and the joint of yarn inlet thread-carrier 22 refers to that the yarn outlet yarn road 231 on 23 forms the yarn-guiding duct of negative air compression cabin 21 inside, joint refers on 23 the auxiliary aspirating unit 232 that has at least to be communicated with yarn outlet yarn road 231, auxiliary aspirating unit 232 axis and yarn outlet yarn road 231 axis angle in an acute angle, angular range is at 10～45 °, the oblique yarn outlet yarn of ecto-entad road entrance point direction, the aperture that auxiliary aspirating unit 232 is communicated with yarn outlet yarn road is 0.2～0.8mm, auxiliary aspirating unit 232 other ends, refer to that at joint 23 when joint location (Fig. 3 b), with negative pressure source of the gas 32, be communicated with, under suction function, the entrance point C1 that refers to yarn outlet yarn road 231 from auxiliary aspirating unit 232 to joint produces the air-flow Q3 sucked, attract fiber strip L1 to draw yarn L2 yarn tail with repiece and enter the entrance point C1 that joint refers to yarn outlet yarn road 231, joint refers to that the profile of entrance point is conical, joint refers to when joint location (Fig. 3 b), the cavity shape that refers to the negative air compression cabin at the conical corresponding position of entrance point with joint is the circular cone hole shape, joint refers to that the cone of entrance point stretches in the conical bore of negative air compression cabin, formation is drawn gentle elasticity or the microgap of yarn tail end and fiber strip to repiece, the clamping of slip.
As shown in Figure 3, joint refers to that entrance point cone appearance is covered with elastic colloid circle 233, joint refers to when joint location, and elastic colloid circle 233 forms the gentle resilient clamp of repiece being drawn to yarn L2 yarn tail and fiber strip L1 with the circular cone hole wall of yarn inlet thread-carrier or negative air compression cabin.
As shown in Fig. 3, Fig. 5, joint refers to the sub-assembly be comprised of joint finger 234, joint fingerstall 235, spring 236, joint fingerstall 235, spring 236 are sleeved on joint finger 234, when joint refers to advance, joint fingerstall 235 promotes joint finger 234 by spring 236 and contacts with gas storehouse inwall, the gentle resilient clamp of yarn yarn tail and fiber strip is drawn in formation to repiece, adjust the stroke limit location method of spring specification, adjustment joint fingerstall 235, controls its resilient clamp power size.
As shown in Fig. 3, Fig. 5, movably joint refers on 23 have a shaft shoulder D corresponding with negative air compression cabin access port 211, control the size of negative pressure source of the gas access port 211 effective apertures, at joint, refer to when joint location (Fig. 3 b), the shaft shoulder refers to 23 movement with joint, can reduce or block the negative pressure source of the gas access port 211 that is communicated with negative air compression cabin inner chamber.
As shown in Figure 3, mobile joint refers in spinning, repiece, each link of joint, three kinds of state positions are arranged: (Fig. 3 a) for yarning position, joint location (Fig. 3 b), draw yarn position (Fig. 3 c), joint refers in drawing the yarn position, joint refers to that 23 extreme positions that stretch out are placed restrictions on by limiting plate, joint refers to that 23 in joint location, joint refers to that the extreme position advanced is placed restrictions on by limited block 24, the spacing position of limited block 24 can be finely tuned, joint refers to retreat to yarning position by joint location, it is the effect that is subject to returning spring 25, returning spring 25 is arranged on negative air compression cabin, refer to that at joint 23 while being advanced into joint location, returning spring 25 is compressed, during thrust release, the elastic force of returning spring 25 refers to that by joint 23 return back to yarning position, returning spring 25 butt joints refer to that 25 reply traverse is adjustable, after broken end, joint refers to be retreated to and drawn the yarn position or automatically retreated to and drawn the yarn position by Electromagnetic Control by manually-operated, perhaps as shown in Figure 4, mobile joint refers in spinning, repiece, each link of joint is two kinds of state positions: (Fig. 4 a) for joint location, spin and draw yarn position (Fig. 4 b), joint refers in spinning and draws the yarn position, joint refers to that the extreme position stretched out is placed restrictions on by limiting plate, joint refers in joint location, joint refers to that the extreme position advanced is placed restrictions on by limited block 24, the spacing position of limited block can be finely tuned, joint refers to retreated to spinning and drawn the yarn position by joint location, controlled by artificial operation, directly retreat to spinning and draw the yarn position.
Spinning process: from a branch of or two bundle fiber yarn L1 of front roller output, once front roller 1 jaw output, by the air-flow Q1 produced in yarn inlet yarn road 221 from negative air compression cabin 21, attracted to control immediately, yarn inlet A1 in yarn inlet yarn road 221, be subject to yarn inlet shape and yarn inlet A1 and placing restrictions on of fiber strip L1 relative position to gather bunchy, simultaneously under the rotary action of fine spining machine spindle 6 (by yarn L, driving steel traveler 5), the yarn turn is passed to before and after yarn inlet A1, form twist triangle zone between yarn inlet A1 and jaw, the fiber of twist triangle zone attracts to gather under the synchronous effect with fiber strip L1 turn at air-flow Q1 twists with the fingers synthetic threads L, yarn L after twisted draws in the yarn outlet yarn road 231 from negative air compression cabin, through twizzle 4, after steel traveler 5, be wound on spool 7, the air-flow that ring spindle yarn negative-pressure air-flow suction-type spinning method adopts negative pressure to produce, at close front roller 1 jaw place, the instant fiber strip L1 that attracts front roller output, stop and be positioned at the filament in fiber strip limit and flying away of fiber head end, by adjusting, change the relative position of yarn inlet A1 and front roller output fiber yarn L1, change the shape of yarn inlet A1 port, control the form with twist triangle zone of gathering of fiber strip L1, adopt the twisted yarn L of revolution of spindle 6 (driving steel traveler 5) or false twister, in twist triangle zone, realize airflow concentration with twisting synchronize, by changing negative air compression cabin 21 inner chamber negative pressure, yarn outlet yarn road 231 interior airflow directions, air flow rate, realize normal spinning process start repiece, the operation of broken end joint necessity, by in spinning process, the dynamic change of the yarn inlet A1 in yarn inlet yarn road and fiber strip L1 relative position, change the twist triangle zone form of fiber strip L1 turn, affect distribution and the structure of fiber in resultant yarn, reduce the generation of the plumage that becomes mildewed, change the mechanical property of yarn.
As shown in Figure 3, ring spindle yarn negative-pressure air-flow suction-type spinning spinning repiece and broken end joint, shown in Fig. 3 c, joint refers to that 23 in drawing the yarn position, joint refers to that 23 outwards exit, the fiber strip L1 of front roller 1 output, there is the air-flow Q1 negative suction gas storehouse 21 in the yarn inlet yarn road 221 on the negative air compression cabin 21 of negative pressure air, at negative air compression cabin 21 inner chambers, the fiber strip L1 downstream direction sucked, be drawn towards, enter the access port 211 be communicated with negative pressure source of the gas 31, under the air-flow Q2 effect produced at the interior negative pressure air of negative air compression cabin 21, repiece is drawn the direction that yarn L2 deflects from against spinning, be drawn into negative air compression cabin 21 inner chambers from yarn outlet yarn road 231, the control repiece is drawn yarn L2 and is necessarily sucked length, the repiece sucked is drawn yarn L2 tail end will be along the interior air flow direction of negative air compression cabin 21, float towards the same direction that fiber strip L1 siphons away, advance movably joint to refer to that 23 to the apex joint position (Fig. 3 b), repiece is drawn yarn L2 tail end and is overlapped with fiber strip L1, joint refers to that the elastic colloid circle 233 of 23 finger tips and the inwall of negative air compression cabin 21 form the gentle resilient clamp that repiece is drawn to yarn L2 tail end and fiber strip L1, simultaneously along with joint refers to that 23 are advanced into summit, auxiliary aspirating unit 232 is communicated with negative pressure source of the gas 32 by access port 212, the air-flow Q3 that negative pressure source of the gas 32 produces by auxiliary aspirating unit 232, change joint and refer to air flow direction in the local yarn of 231 entrance point C1 road, yarn outlet yarn road, attract fiber strip L1 to enter joint and refer to 23 entrance point C1Sha road, fiber strip L1 attracts to draw under the slippage friction drive of yarn L2 with repiece at air-flow Q3, entering into joint refers in 23 entrance point yarn road, draw yarn L2 yarn tail end twisted with repiece, drive the revolution twisting of fiber strip L1, realize that repiece draws the twisted joint of yarn L2 and fiber strip L1, the joint that unclamps propelling refers to 23, joint refers to that 23 under the effect of spring 25 elastic force, (Fig. 3 a) to return back to normal yarning position,
Negative-pressure air-flow suction-type delivery device 2 utilizes joint to refer to 23 telescopic variation in negative air compression cabin 21 interior positions, realize that repiece draws the change that refers to 23 yarn outlet yarn road air flow rates and direction with gentle elastic held, negative air compression cabin 21 inner chambers and joint that overlaps that yarn L2 and fiber strip L1 are drawn in the suction of yarn L2, repiece, realize the repiece of normal spinning and break end after the joint function.
In Fig. 3 c, joint refers to that 23 in drawing the yarn position, joint refers to that 23 extreme positions of pulling out are placed restrictions on by limiting plate, in Fig. 3 b, joint refers to that 23 in joint location, and the extreme position of propelling is placed restrictions on by limited block 24, the spacing position of limited block 24 can be finely tuned, returning spring 25 is compressed when joint refers to be advanced into joint location, during release, joint is referred to return back to yarning position, and returning spring 25 butt joints refer to that 23 reply traverse is adjustable.
As shown in Figure 6, in spinning process, the dynamically frequent change of the yarn inlet A1 in yarn inlet yarn road 221 and fiber strip L1 relative position, H is the jaw line of front roller to the fiber strip clamping, the fiber strip width of front roller 1 output is B, it is axis that yarn inlet A1 on negative-pressure air-flow delivery device 2 be take the fiber strip center of front roller 1 output all the time, horizontal direction left and right along roller shaft swings fast, make that to take the fiber width B of front roller nip place be base, the both sides fiber is hypotenuse, the twisting triangle that the fiber milling angle is summit, with swinging of yarn inlet A1, the position at twist triangle zone fiber milling angle, move and change thereupon, the fiber tension force in the twisted process that forms twist triangle zone two hypotenuse places changes, cause that fiber is in the resultant yarn process, the fiber of both sides is inside and outside alternately to be shifted, yarn formation structure is changed.
As Fig. 7, shown in Fig. 8, the yarn inlet that is negative-pressure air-flow suction-type delivery device 2 produces a kind of mechanism mode swung, negative-pressure air-flow suction-type delivery device 2 is arranged on support 8, support 8 can carry out back rotation around the O axle center, yarn outlet C2 mouth end and the support axis coinciding of negative-pressure air-flow suction-type delivery device 2, with support, do not swing and produce displacement, rotor 81 is housed on support 8, rotor 81 is under the effect of spring, remain and the contacting of runner 9 cylindricals, the surface of runner 9 cylindricals is evenly equipped with depression, when runner 9 rotates, the depression of runner outer round surface is by rotor and spring, support 8 is swung, it is axis that thereby the yarn inlet that makes negative-pressure air-flow suction-type delivery device 2 be take the center of fiber strip width B of front roller 1 output all the time, horizontal direction left and right along roller shaft swings fast, regulate the rotating speed of runner 9, can change the hunting frequency of yarn inlet A1, making take the fiber width B of front roller nip place is base, the both sides fiber is hypotenuse, the twisting triangle that the fiber milling angle is summit, with swinging of yarn inlet, the position at twisting triangle fiber milling angle, move and change thereupon, the fiber limit in the twisted process that forms twisting triangle two hypotenuse places changes, cause that fiber is in the resultant yarn process, the fiber of both sides is inside and outside alternately to be shifted, yarn formation structure is changed.
Making the yarn inlet of negative-pressure air-flow delivery device 2 produce mechanical structure form mobile or that swing has a lot, also can adopt electromagnetic principle to make it produce swing.
As shown in Figure 9, there is a word abnormity of in-line, Y shape, complications in the yarn inlet yarn road of yarn inlet thread-carrier 22, and multi-form, the yarn inlet thread-carrier of different size is interchangeable with coordinating of negative air compression cabin.
As shown in figure 10, the yarn inlet shape of yarn inlet thread-carrier 22 has straight-through shape, tubaeform.
The present invention adopts the shape of the shape ,Sha road cross section of the shape that changes yarn road passage, yarn inlet, regulates the compacting effect of fibre bundle, and Y type yarn inlet thread-carrier spins gathering of two-beam fiber for matching network.
Claims (10)
1. a ring spindle yarn negative-pressure air-flow suction-type spinning method, on the front roller outlet side yarn road of ring throstle, be provided with negative-pressure air-flow suction-type delivery device, negative-pressure air-flow suction-type delivery device main body is one and is communicated with the negative pressure air source, inner chamber maintains the negative air compression cabin of certain air negative pressure, negative air compression cabin is provided with and connects inside and outside yarn inlet yarn road and the yarn outlet yarn road of negative air compression cabin, produce because of negative pressure the air-flow that ecto-entad flows to negative air compression cabin inner chamber in the yarn road, the yarn inlet in yarn inlet yarn road is pressed close to front roller nip, during spinning, a branch of or two bundle fiber yarns after roller draft, once front roller nip, export, entered yarn inlet yarn road by the airstream suction in yarn inlet yarn road on negative air compression cabin immediately, yarn inlet in yarn inlet yarn road, be subject to placing restrictions on of yarn inlet shape and yarn inlet and fiber strip relative position to gather bunchy, simultaneously under the rotary action of fine spining machine spindle or false twister, the yarn turn is passed to before and after yarn inlet, form twist triangle zone between yarn inlet and front roller nip, the fiber of twist triangle zone guides at air-flow, under the placing restrictions on of yarn inlet shape and position, gather the twisted resultant yarn, draw in the yarn outlet yarn road of yarn after twisted from negative air compression cabin, through twizzle, after steel traveler, be wound on spool, it is characterized in that the air-flow that ring spindle yarn negative-pressure air-flow suction-type spinning method adopts negative pressure to produce, mode with direct suction, at close front roller nip place, the instant fiber strip of front roller output that attracts enters yarn inlet yarn road, stop and be positioned at the filament at fiber strip edge and flying away of fiber head end, relative position by change yarn inlet and front roller output fiber yarn, change the shape in yarn inlet port cross section, control the form with twist triangle zone of gathering of fiber strip, adopt the twisted yarn of revolution of spindle (drive steel traveler) or false twister, in twist triangle zone, limit is gathered, limit is twisted, realize airflow concentration and twisting synchronous effect, reduce on yarn the generation of the plumage that becomes mildewed, change the mechanical property of yarn, the relative position of described change yarn inlet and front roller output fiber yarn, it is prior levelling, in spinning process, remain unchanged, or in spinning process, the relative position of dynamic change yarn inlet and front roller output fiber yarn.
2. a kind of ring spindle yarn negative-pressure air-flow suction-type spinning method according to claim 1, it is characterized in that in spinning process, on negative air compression cabin, the fiber strip relative position of the yarn inlet in yarn inlet yarn road and front roller output is changeless, perhaps the fiber strip relative position of the yarn inlet in yarn inlet yarn road and front roller output is dynamic change, during dynamic change, it is axis that yarn inlet on negative air compression cabin be take the fiber strip center of front roller output all the time, horizontal direction left and right along roller shaft swings fast, the principal element of determining the yarn inlet swing speed is the average length L (mm) of spun rove bar fiber, front roller line linear resonance surface velocity S (mm/ second), at front roller, turn over while being equal to average fiber length L girth, yarn inlet at least will complete from left to right or unidirectional swing of right-to-left, be that to take left and right each second be back and forth the hunting frequency of a circulation, be greater than S/2L time, the dynamic change of the fiber strip relative position of the yarn inlet in yarn inlet yarn road and front roller output, making take front roller nip place fiber strip width is base, the both sides fiber is hypotenuse, the twisting triangle that the fiber milling angle is summit, with swinging of yarn inlet, the position at twist triangle zone fiber milling angle is mobile changing thereupon, cause the fiber of twist triangle zone both sides in the twisted process, tension force changes, the inside and outside intensity of variation alternately shifted of aggravation both sides fiber, by controlling the hunting frequency of yarn inlet, realize controlling fiber in the Yarn twisting process, the inside and outside degree changed that shifts occurs, change yarn texture, the final mechanical property that changes yarn.
3. the jointing method for a kind of ring spindle yarn negative-pressure air-flow suction-type spinning method claimed in claim 1, during the spinning start or after broken end, the fiber strip of front roller output, by the air-flow negative suction gas storehouse in yarn inlet yarn road, in negative air compression cabin inside, the fiber strip sucked is along airflow direction, be drawn towards, enter the access port be communicated with the negative pressure source of the gas, in negative air compression cabin, adopt the joint of a Telescopic movable to refer to, joint refers to establish one and connects the inside and outside yarn outlet yarn road of negative air compression cabin, and be provided with auxiliary aspirating unit, when repiece is drawn yarn, joint points to outer exiting, in drawing the yarn position, now, under the airflow function that negative pressure air produces in negative air compression cabin, repiece is drawn the direction that yarn can deflect from against spinning, refer to connect the yarn outlet yarn road inside and outside negative air compression cabin from joint, be drawn in negative air compression cabin, the control repiece is drawn yarn and is necessarily sucked length, the repiece sucked draw the yarn tail end will be in negative air compression cabin air flow direction, float towards the same direction that fiber strip siphons away, advance movably joint to refer to the apex joint position, repiece is drawn the yarn tail end and is overlapped with fiber strip, joint refers to that the lateral surface of entrance point and the inwall in negative air compression cabin form gentle resilient clamp or the microgap clamping of repiece being drawn to yarn tail end and fiber strip, the repiece be held is drawn yarn yarn tail can produce slippage in the effect of spinning tension, simultaneously along with joint refers to be advanced into summit, the auxiliary aspirating unit that joint refers to and negative pressure source of the gas are connected, the air-flow that the negative pressure source of the gas produces by auxiliary aspirating unit, change joint and refer to the air flow direction in the local yarn of yarn outlet yarn road entrance point road, attract fiber strip to enter the entrance point that joint refers to yarn outlet yarn road, fiber strip draws under the slippage friction drive of yarn in airstream suction and repiece, enter joint and refer to yarn outlet yarn road, draw yarn yarn tail end twisted with repiece, drive the revolution twisting of fiber strip, realize that repiece draws the twisted joint of yarn and fiber strip, the joint that unclamps propelling refers to, joint refers in the effect of spring force or adds under artificial operation, return back to normal yarning position, it is characterized in that ring spindle yarn negative-pressure air-flow suction-type spinning connector by using joint refers to that the mobile of position changes in negative air compression cabin, yarn is drawn in realization, joint, spinning, repiece is drawn yarn by the air-flow that in negative air compression cabin, negative pressure produces, in reverse negative suction gas storehouse, yarn outlet yarn road, it is in check that the repiece sucked is drawn yarn length, in negative air compression cabin, repiece is drawn the yarn yarn and is trailed the movement that movably joint refers to and move, in joint location, repiece is drawn yarn and is pressed close to, fiber strip in contact negative suction gas storehouse, and be subject to joint to refer to the clamping of outer wall and negative air compression cabin inwall, the size of its chucking power, can guarantee that repiece draws yarn under the effect of spinning tension, from yarn outlet yarn road, deflect from, when joint refers to move to joint location, the auxiliary aspirating unit that joint refers to and negative pressure source of the gas are connected, the air-flow that the negative pressure source of the gas produces by auxiliary aspirating unit, change joint and refer to the air flow direction in the local yarn of yarn outlet yarn road entrance point road, the friction of drawing yarn yarn tail end in repiece drives under the attraction guiding of gentle stream, fiber strip enters yarn outlet yarn road, draw yarn with repiece overlaps in yarn outlet yarn road, under the rotary action of spindle or false twister, fiber strip draws yarn yarn tail twisted with repiece and is connected.
4. a kind of ring spindle yarn negative-pressure air-flow suction-type spinning jointing method according to claim 3, it is characterized in that in the joint process, because drawing yarn, joint, the needs of spinning, when joint refers to move to different positions, by air door, open, leading between pass or negative pressure air source access port and auxiliary aspirating unit, close, negative pressure air source access port effective aperture is large, little change, change negative air compression cabin inner chamber, auxiliary aspirating unit, air flow rate in yarn outlet yarn road, direction, joint refers in drawing the yarn position, joint location is to rely on adjustable limiting plate, limited block is controlled, joint refers to that being adjusted to yarning position from joint location is to automatically reply or operation manually by spring force, joint refers to that exiting to drawing the yarn position from yarning position is to control manually, or by yarn break sensor is set on yarn path, after Yarn break, by electromagnetism traverse switch, automatically joint is referred to retreat to and draw the yarn position.
5. one kind for a kind of ring spindle yarn negative-pressure air-flow suction-type spinning apparatus claimed in claim 1, it is characterized in that device is by support, negative-pressure air-flow suction-type delivery device and at least one negative pressure air source form, described support is for installing negative-pressure air-flow suction-type delivery device, the primary clustering of described negative-pressure air-flow suction-type delivery device is negative air compression cabin, the yarn inlet thread-carrier, joint refers to, negative air compression cabin, the yarn inlet thread-carrier, joint refers to it is the sub-assembly that single part or a plurality of part combine, described negative pressure air source is the equipment that suction produces negative pressure to air, has a negative pressure source of the gas access port at least on negative air compression cabin, negative air compression cabin at least is communicated with a negative pressure air source, when negative air compression cabin is connected with a plurality of negative pressure airs source, the negative pressure value difference in each negative pressure air source, the air negative pressure value produced from the negative pressure source of the gas access port of its connection is just different, the mode that each access port is communicated with is to continue to be communicated with, or intermittent communicated by Air Valve Control, the negative pressure gas position in storehouse of negative-pressure air-flow suction-type delivery device in front roller outlet side jaw to the yarn path of twizzle, in yarn path, forward roller one side is provided with the yarn inlet thread-carrier to negative air compression cabin, the yarn inlet yarn road that there is the pore shape on the yarn inlet thread-carrier, yarn inlet yarn road aperture 1～5mm, length 4～20mm, the yarn inlet in yarn inlet yarn road is pressed close to front roller nip, the other end in yarn inlet yarn road leads to negative air compression cabin inner chamber, different model, specification, the yarn inlet thread-carrier of different yarn road shapes, shape with negative air compression cabin connecting portion, consistent size is interchangeable, negative air compression cabin inner chamber has the joint of a Telescopic movable to refer to, joint refers to have one to connect the inside and outside yarn outlet yarn road of negative air compression cabin, yarn road aperture 1～5mm, joint refers to that the entrance point in yarn outlet yarn road is in negative air compression cabin, other end yarn outlet is outside negative air compression cabin, the yarn inlet yarn road of yarn inlet thread-carrier and the yarn outlet yarn road that joint refers to form the yarn-guiding duct of negative air compression cabin inside, joint refers to the auxiliary aspirating unit that has at least to be communicated with yarn outlet yarn road, auxiliary aspirating unit axis and yarn outlet yarn road axis angle in an acute angle, angular range is at 10～45 °, the oblique yarn outlet yarn of ecto-entad road entrance point direction, the aperture that auxiliary aspirating unit is communicated with yarn outlet yarn road is 0.2～0.8mm, the auxiliary aspirating unit other end, when joint refers in joint location, with the negative pressure source of the gas, be communicated with, under suction function, the entrance point that refers to yarn outlet yarn road from auxiliary aspirating unit to joint produces the air-flow sucked, attract fiber strip to draw yarn yarn tail with repiece and enter the entrance point that joint refers to yarn outlet yarn road, joint refers to that the profile of entrance point is conical, joint refers to when joint location, refer to that with joint the yarn inlet thread-carrier at the conical corresponding position of entrance point or the cavity shape of negative air compression cabin are the circular cone hole shape, joint refers to that the cone of entrance point stretches in the conical bore of yarn inlet thread-carrier or negative air compression cabin, formation is drawn gentle elasticity or the microgap of yarn tail end and fiber strip to repiece, the clamping of slip.
6. a kind of ring spindle yarn negative-pressure air-flow suction-type spinning apparatus according to claim 5, it is characterized in that joint refers to be advanced into joint location, press close to or contact with the inwall of yarn inlet thread-carrier or negative air compression cabin, formation is drawn gentle elasticity or the microgap of yarn tail end and fiber strip to repiece, the clamping of slip, joint refers to that entrance point cone appearance is smooth or is covered with the elastic colloid circle, joint refers to when joint location, the circular cone hole wall of elastic colloid circle and yarn inlet thread-carrier or negative air compression cabin forms the gentle Elastic Contact of repiece being drawn to yarn yarn tail and fiber strip, joint refers to it is an integral single piece or by the joint finger, the joint fingerstall, the sub-assembly that spring forms, the joint fingerstall, spring housing is contained on the joint finger, when joint refers to advance, the joint fingerstall promotes the joint finger by spring and contacts with gas storehouse inwall, the gentle resilient clamp of yarn yarn tail and fiber strip is drawn in formation to repiece, with adjusting the spring specification, adjust the limited block of controlling traverse, control its resilient clamp power, perhaps joint refers to that entrance point cone outer surface is smooth, perhaps joint refers to that entrance point cone outer surface is fluted along the cone line, perhaps along circumference, concavo-convex edge is arranged, joint refers to when joint location, joint refers to that entrance point outer surface and negative air compression cabin circular cone hole wall form straight line or microgap curve, when repiece is drawn yarn and is deflected under the spinning tension effect, repiece is drawn to yarn yarn tail and produce frictional resistance, form the clamping of lax slip, the speed that deflects from that the slow repiece of resistance is drawn yarn, the output speed that makes repiece draw the sliding velocity of yarn yarn tail and fiber strip keeps about equally.
7. a kind of ring spindle yarn negative-pressure air-flow suction-type spinning apparatus according to claim 5, it is characterized in that movably joint refers to have a shaft shoulder corresponding with negative air compression cabin access port, control the size of negative pressure source of the gas access port effective aperture, when joint refers in joint location, the movement that the shaft shoulder refers to joint, can reduce or block the negative pressure source of the gas access port that is communicated with negative air compression cabin inner chamber.
8. a kind of ring spindle yarn negative-pressure air-flow suction-type spinning apparatus according to claim 5, it is characterized in that mobile joint refers in spinning, repiece, each link of joint, three kinds of state positions are arranged: yarning position, draw the yarn position, joint location, joint refers in drawing the yarn position, joint refers to that the extreme position stretched out is placed restrictions on by limiting plate, joint refers in joint location, joint refers to that the extreme position advanced is placed restrictions on by limited block, the spacing position of limited block can be finely tuned, joint refers to retreat to yarning position by joint location, it is the effect that is subject to returning spring, returning spring is arranged on negative air compression cabin, when joint refers to be advanced into joint location, returning spring is compressed, during thrust release, the elastic force of returning spring refers to return back to yarning position by joint, the reply traverse that the returning spring butt joint refers to is adjustable, after broken end, joint refers to be retreated to and drawn the yarn position or automatically retreated to and drawn the yarn position by Electromagnetic Control by manually-operated, perhaps mobile joint refers in spinning, repiece, each link of joint is two kinds of state positions: spin and draw the yarn position, joint location, joint refers in spinning and draws the yarn position, joint refers to that the extreme position stretched out is placed restrictions on by limiting plate, joint refers in joint location, joint refers to that the extreme position advanced is placed restrictions on by limited block, the spacing position of limited block can be finely tuned, joint refers to by spinning and draws the yarn position be advanced into joint location, or retreat to spinning and draw the yarn position by joint location, controlled by artificial operation, directly retreat to spinning and draw the yarn position, or be subject to Electromagnetic Control automatically return to spinning and draw the yarn position.
9. a kind of ring spindle yarn negative-pressure air-flow suction-type spinning apparatus according to claim 5, the yarn inlet yarn road that it is characterized in that the yarn inlet thread-carrier is in-line or Y shape or a tortuous word abnormity, the yarn inlet shape is straight-through shape or tubaeform, yarn inlet port cross section is circular or oval or triangle or square or rectangle or comb-shape, yarn inlet yarn road shape of cross section is circular, or oval, or triangle, or square, or rectangle.
10. a kind of ring spindle yarn negative-pressure air-flow suction-type spinning apparatus according to claim 5, it is characterized in that negative-pressure air-flow suction-type delivery device is rack-mount, support is fixed with respect to fine voile machine, or swing back and forth, or move back and forth, negative-pressure air-flow suction-type delivery device moves with swing or the rotation of support, makes the yarn inlet of yarn inlet thread-carrier do to be parallel to front roller axis direction reciprocally swinging or movement, swings or mobile traverse 1.5～6mm.
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| CN201310403847.XA CN103498224B (en) | 2013-08-02 | 2013-08-30 | A kind of method and device for spinning ring spun yarn in negative pressure airflow suction mode |
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| CN2013103625274 | 2013-08-12 | ||
| CN201310362527.4 | 2013-08-12 | ||
| CN201310403847.XA CN103498224B (en) | 2013-08-02 | 2013-08-30 | A kind of method and device for spinning ring spun yarn in negative pressure airflow suction mode |
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| CN103498224A true CN103498224A (en) | 2014-01-08 |
| CN103498224B CN103498224B (en) | 2016-09-28 |
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| CN201310403847.XA Active CN103498224B (en) | 2013-08-02 | 2013-08-30 | A kind of method and device for spinning ring spun yarn in negative pressure airflow suction mode |
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| CN104088045A (en) * | 2014-06-13 | 2014-10-08 | 陈伟雄 | Ring spun yarn negative pressure airflow suction type Siro-spinning method and device |
| CN105019076A (en) * | 2015-07-10 | 2015-11-04 | 陈伟雄 | Method and device for automatically and intelligently piecing ring-spun yarn broken ends with guiding yarn |
| CN105821534A (en) * | 2016-04-20 | 2016-08-03 | 嘉兴学院 | Suction type spinning fiber converging method and suction type spinning and end forming method and device |
| CN108468117A (en) * | 2018-04-02 | 2018-08-31 | 宁夏如意科技时尚产业有限公司 | A kind of match network compact spinning apparatus |
| CN112323202A (en) * | 2020-06-28 | 2021-02-05 | 江苏聚海机械有限公司 | Control method and application of adjustable variable-speed rotary head |
| CN113109550A (en) * | 2021-04-09 | 2021-07-13 | 常州市智睿源信息科技有限公司 | Yarn suction device, full-automatic yarn twist meter and working method of twist meter |
| CN113307100A (en) * | 2021-07-07 | 2021-08-27 | 四川玄武岩纤维新材料研究院(创新中心) | Unmanned intelligent yarn changing system and automatic yarn changing method |
| CN113638093A (en) * | 2021-07-29 | 2021-11-12 | 舟山久意达机械有限公司 | Animal fiber hair twisting device |
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| CN108950761B (en) * | 2018-09-18 | 2020-11-13 | 武汉纺织大学 | Lateral negative pressure guiding and capturing type ring spinning device |
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| CN103498224B (en) | 2016-09-28 |
| CN203821006U (en) | 2014-09-10 |
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