CN110172762A - One kind gathering beam splitting spinning apparatus and Yarn spinning method - Google Patents

Abstract

The invention provides a two-stage compact spinning device and spinning method. The spinning device includes a connecting frame, and a fixed compacting box is installed at the bottom of the two concave arcs of the connecting frame respectively through connecting rods. There are accumulation grooves with gradually decreasing slot width on the bottom surface of the box, and the number of accumulation grooves at the bottom of the previous accumulation box is greater than the number of accumulation grooves at the bottom of the next accumulation box, and the accumulation box is in rolling contact with the front roller through the rollers at the bottom , an output roller is installed at the end of the connecting frame to realize the pressing output of the gathered fiber bundles, and an external telescopic rod with a spring is installed on the connecting frame, and the strands obtained by drafting output from the front roller pass through in turn. The accumulating grooves at the bottom of the two accumulating boxes realize the two-stage mechanical accumulating process of the sliver, which improves the poor adaptability of the traditional single-stage mechanical accumulating, improves the accumulating effect and improves the yarn quality.

Description

A compact beam splitting spinning device and spinning method

technical field

The invention relates to the new technical field of ring spinning, in particular to a compact beam-splitting spinning device and a spinning method.

Background technique

Compact spinning, also known as compact spinning, is a new type of spinning technology that is spun on an improved ring spinning frame. It improves the yarn quality by adding a fiber condensation area before the ring spinning frame traction device. At present, the mainstream types of compact spinning in the world include mesh ring type (mainly including German Sussen three-roller mesh ring type, Japan Toyota four-roller mesh ring type), roller type (Swiss Rieter COM4), punching Apron type (mainly including Zinser perforated apron type), mechanical type (mainly including Swiss Carlos Roscraft magnetic compact spinning system), mesh ring type, roller type and perforated apron type are negative pressure airflow concentration methods . Among them, Roscraft’s mechanically concentrated compact spinning system is currently less used in China due to poor variety adaptability (generally only suitable for spinning yarns below 60Ne); Zinser’s perforated apron system has poor variety adaptability ( Generally only suitable for wool spinning) and needs to be imported as a whole, and the price is expensive (1500 yuan per spindle on average), so the scale of use in China is small. Therefore, the current mainstream market is the mesh ring compact spinning system, but this type of compact spinning system generally suffers from large transformation and maintenance costs, high energy consumption, and difficult to control the agglomeration effect.

Aiming at this, the present invention provides a compacting and splitting spinning device and spinning method, by installing a compacting tube with a hollow structure inside and keeping fixed between the front drafting roller and the output roller, on the one hand, the drafting can be realized. Gather the stretched fiber strands before twisting, reduce the twisting triangle area, and reduce yarn hairiness; on the other hand, the spun yarn has a property similar to strands, thereby improving yarn strength and reducing yarn hairiness .

Contents of the invention

The object of the present invention provides a kind of gathering and splitting spinning device and spinning method, to realize the dual action of gathering and splitting to the fiber strands after drafting, thereby realize the fiber strands after drafting on the one hand add Gathering before twisting reduces the twisting triangle area and reduces yarn hairiness. On the other hand, the spun yarn has a property similar to strands, thereby improving yarn strength and reducing yarn hairiness.

In order to achieve the above object, the present invention relates to a compact beam splitting spinning device, which includes a drafting system, and the drafting system includes a pair of rear drafting rollers, a pair of middle drafting rollers, and a pair of front drafting rollers. The stretching roller pair includes the rear lower drafting roller and the rear upper pressing rubber roller, the middle drafting roller pair includes the middle lower drafting roller and the middle upper pressing rubber roller, and the front drafting roller pair includes the front lower drafting roller and the upper pressing rubber roller. The front upper pressing rubber roller is equipped with an output roller pair at the front of the front drafting roller pair. The output roller pair includes the output bottom roller and the output upper rubber roller. Stretching rollers, front lower drafting rollers, and output lower rollers have the same structure, and the rear lower drafting rollers, middle and lower drafting rollers, front lower drafting rollers, and output lower rollers include intermediate roller shafts, and the intermediate roller shafts are A solid cylinder of iron or steel, with an outer roller sleeve tightly sleeved on the outside of the intermediate roller shaft, the material of the outer roller sleeve is exactly the same as that of the intermediate roller shaft, and the outer roller sleeve and the intermediate roller shaft Integrated fixed connection, the structure of the rear upper pressing rubber roller, the middle upper pressing rubber roller, the front upper pressing rubber roller, and the output upper rubber roller are the same, the rear upper pressing rubber roller, the middle upper pressing rubber roller, and the front upper pressing rubber roller The cots and output top cots include an intermediate cot shaft, which is a solid cylinder of iron or steel, and an outer cot sleeve is tightly sleeved on the outside of the intermediary cot shaft. The rubber roller cover is made of rubber, and the outer rubber roller cover and the intermediate rubber roller shaft are connected by bearings, and the diameters of the intermediate roller shafts of the rear lower drafting roller, middle lower drafting roller, and front lower drafting roller are the same And greater than the diameter of the middle roller shaft of the output bottom roller, the diameters of the outer roller sleeves of the rear lower draft roller, the middle lower draft roller, and the front lower draft roller are the same and greater than the diameter of the outer roller sleeve of the output lower roller, The diameters of the rear upper pressing rubber rollers, middle upper pressing rubber rollers, front upper pressing rubber rollers, and middle rubber roller shafts of output upper rubber rollers are the same, and the rear upper pressing rubber rollers, middle upper pressing rubber rollers, and front upper pressing rubber rollers The diameters of the rubber roller and the outer rubber roller sleeve of the output upper rubber roller are the same, and the middle roller shaft of the front lower drafting roller is driven to rotate by the first motor, and the first motor is a variable frequency motor, or a servo motor, or a permanent magnet synchronous motor , the intermediate roller shaft of the middle and lower drafting rollers is connected with the intermediate roller shaft of the front lower drafting roller through the first gear, and the speed of the intermediate roller shaft of the middle and lower drafting rollers is smaller than that of the front and lower drafting rollers The speed of the middle roller shaft of the rear bottom drafting roller and the middle roller shaft of the middle bottom drafting roller are connected by the second gear, and the speed of the middle roller shaft of the rear bottom drafting roller is smaller than that of the middle roller shaft of the middle bottom drafting roller. The speed of the roller shaft, the middle roller shaft of the output roller and the middle roller shaft of the front bottom drafting roller are connected through the third gear, and the speed of the middle roller shaft of the output bottom roller is equal to that of the middle roller shaft of the front bottom drafting roller Rotational speed, rear lower drafting roller, middle lower drafting roller, front lower drafting roller, output lower roller are fixed on the roller seat, and rear embedding groove, middle embedding groove, front embedding groove, The output roller is embedded in the groove, the rear lower drafting roller, the middle and lower drafting roller, the front The lower drafting roller and the output lower roller are respectively embedded and fixed in the rear insertion groove, middle insertion groove, front insertion groove, and output roller insertion groove of the roller seat. A roller seat is set every three spindle positions, and the roller seat is located at the corresponding Between the two spindle positions, the roller seat is fixed on the frame surface of the spinning frame, and the middle rubber roller shafts of the rear upper pressing rubber roller, the middle upper pressing rubber roller, and the front upper pressing rubber roller are embedded in the pressing assembly, and the pressing assembly It is a spring-loaded or pneumatically-pressurized structure, the rear part of the pressurized assembly is fixed on a fixed cross bar, and the fixed cross bar is a solid cylindrical structure, and the fixed cross bar is fixed on a roller seat. The front part of the press assembly is equipped with an independent gripping device, and the middle rubber roller shaft of the output upper rubber roller is embedded in the independent grip to realize the fixed installation of the output upper rubber roller, between the front drafting roller pair and the output roller pair A gathering and splitting device is provided, the gathering and splitting device includes a gathering tube, the gathering tube includes an upper gathering tube and a lower fixing tube, the inside of the upper gathering tube is a hollow structure, and the cross section of the upper gathering tube is Oval, the upper and lower parts of the upper collecting pipe are flat, along the length direction of the upper collecting pipe, there is a connecting seam at the lower part of the upper collecting pipe, the connecting seam is a rectangular structure, the lower fixing The tube is a solid cylindrical shape, the upper arc surface of the lower fixing tube is embedded and fixed in the connecting seam of the upper collecting pipe, and the upper arc surface of the lower fixing pipe is airtightly connected with the connecting seam of the upper collecting pipe. The lower fixing pipe is embedded and fixed on the roller seat, so as to realize the fixed installation of the collecting pipe. A connection hole is opened on one side of the upper side of the collecting pipe, and the connecting hole is located on the right or left side of the front bottom roller. On the pipe, the connecting hole is a circular structure, and a connecting branch pipe is installed on the connecting hole, and the connecting branch pipe communicates with the negative pressure fan through the connecting pipeline, and the upper side of the collecting pipe runs from left to right There are upper gathering and splitting notches and lower gathering notches arranged at equal intervals, the upper gathering and splitting notches are rectangular, the number of the upper gathering and splitting notches is between 2-8, the leftmost The width between the left side of an upper gathering and splitting notch and the right side of the rightmost upper gathering and splitting notch is greater than the width of the fiber whiskers obtained after drafting, and the lower gathering notch is trapezoidal, And along the length direction of the lower gathering notch, the width of the upper and lower notches gradually decreases, the number of the lower gathering notches is smaller than the number of the upper gathering and beam-splitting notches, and the number of the upper gathering and beam-splitting notches is the same as The relationship between the lower gathering notch and the number of satisfies an integer multiple, the leftmost lower gathering notch is located on the right side of the leftmost upper gathering beam splitting notch, and the rightmost lower gathering notch is located at The left side of the rightmost upper focusing and splitting notch, and the horizontal distance between the leftmost lower focusing notch and the leftmost upper focusing and splitting notch is equal to the rightmost lower focusing The horizontal distance between the notch and the uppermost beam-splitting notch on the right side, a support device is provided at the lower part of the lower fixed pipe, and the support device includes a left connecting strut and a right connecting strut, the The top ends of the left connecting strut and the right connecting strut are respectively connected to the lower part of the lower fixing pipe through the rotating shaft, and the left connecting strut and the right connecting strut A horizontal strut is fixedly connected between the bottom ends of the connecting struts, and a rotating sleeve is sleeved on the horizontal strut through a bearing, and a gathering tube is set between the upper part of the collecting tube and the rotating sleeve of the supporting device. The gathering circle is a fabric formed by interweaving warp and weft threads, and meshes are evenly arranged on the gathering circle.

The present invention also relates to a compact beam-splitting spinning method. When in use, the pressing assembly is pressed down, so that the rear lower drafting roller and the rear upper pressing rubber roller of the rear drafting roller pair are tightly pressed and medium drafted. Tight pressing between the middle and lower drafting rollers of the roller pair and the rear upper pressing rubber roller, tight pressing between the front lower drafting roller of the front drafting roller pair and the front upper pressing rubber roller, the delivery bottom roller and output of the output roller pair The upper rubber rollers are tightly pressed, and the first motor drives the middle roller shaft of the front lower drafting roller to rotate, thereby driving the outer roller sleeve of the front lower drafting roller to rotate, thereby driving the outer roller sleeve of the front lower drafting roller to be tightly pressed The outer cot sleeve of the contacted front top cot rotates around the middle cot shaft of the front top cot, and the middle roller shaft of the front lower drafting roller rotates to drive the middle roller shaft of the middle and lower drafting roller to rotate through the first gear , so as to drive the outer roller sleeves of the middle and lower drafting rollers to rotate, thereby driving the outer rubber roller sleeves of the middle and upper cots that are in close contact with the outer roller sleeves of the middle and lower drafting rollers to wrap around the middle cot shaft of the middle and upper cots Rotation, and the speed of the middle roller shaft of the middle and lower drafting rollers is less than the speed of the middle roller shaft of the front and lower drafting rollers, the speed of the middle roller shaft of the front and lower drafting rollers The ratio is equal to the drafting multiple of the front drafting area between the front drafting roller pair and the middle drafting roller pair, and the middle roller shaft of the middle and lower drafting rollers rotates to drive the middle roller of the rear lower drafting roller through the second gear The shaft rotates, thereby driving the outer roller sleeve of the rear lower drafting roller to rotate, thereby driving the outer rubber roller sleeve of the rear upper rubber roller which is in close contact with the outer roller sleeve of the rear lower drafting roller to wrap around the middle rubber of the rear upper rubber roller The roller shaft rotates, and the speed of the middle roller shaft of the rear bottom drafting roller is smaller than the speed of the middle roller shaft of the middle and lower drafting roller, and the speed of the middle roller shaft of the middle and bottom drafting roller is the same as that of the middle roller shaft of the rear bottom drafting roller The ratio of the rotating speed is equal to the drafting multiple of the rear drafting area between the middle drafting roller pair and the rear drafting roller pair, and the middle roller shaft of the front lower drafting roller rotates to drive the middle roller of the lower roller through the third gear The shaft rotates, thereby driving the outer roller sleeve of the output lower roller to rotate, thereby driving the outer rubber roller sleeve of the output upper rubber roller that is in close contact with the outer roller sleeve of the output lower roller to rotate around the middle rubber roller shaft of the output upper roller. And the rotation speed of the middle roller shaft of the output bottom roller is equal to the rotation speed of the middle roller shaft of the front bottom drafting roller. The tight state wraps around the upper part of the collecting tube and the rotating sleeve of the support device, and at the same time, the tense collecting ring is in close contact with the front of the output bottom roller, so that it is driven by the output bottom roller. When spinning, the roving is fed through the bell mouth between the rear lower drafting roller and the rear upper pressing rubber roller of the rear drafting roller pair, and then passed through the middle and lower drafting rollers and middle upper pressing roller of the middle drafting roller pair The rubber rollers are tightly pressed and output, during which they are drawn by the rear draft zone between the middle draft roller pair and the rear draft roller pair, and then pass through the front lower draft roller and front upper draft roller of the front draft roller pair. according to The glue rollers are tightly pressed and output, during which they are drafted by the front drafting area between the front drafting roller pair and the middle drafting roller pair, and finally the front lower drafting roller and the front upper drafting roller pair of the front drafting roller pair Press the front nip between the rubber rollers to output the fiber strands with very weak twist or no twist after drafting. The fiber strands after drafting are continuously output and then transported to the upper part of the gathering ring. Driven by the rotation of the gathering ring The bottom is continuously output forward. During this process, the fiber whiskers first run to the upper gathering circle of the upper gathering and splitting notch of the upper gathering pipe. At this time, the fiber whiskers are arranged on the gathering circle in a flat state. The upper focusing and splitting notches located directly below the fiber strands are the active upper focusing and splitting notches. Under the action of the negative pressure in the upper focusing and splitting notches, the The relatively dispersed fibers in the fiber strands above the notch are gathered towards the center of the upper accumulation and splitting notch under the action of negative pressure in the upper gathering and splitting notch, so as to realize the overall gathering of the fiber strands on the one hand , that is to realize the reduction of the width of the fiber strands, and on the other hand realize the splitting of the fiber strands during the gathering process. During the gathering process, since the upper arc surface of the lower fixing tube is embedded and fixed in the connecting seam of the upper gathering tube, Therefore, the bottom of the upper collecting tube is arc-shaped with an inwardly convex structure, so that the negative pressure in the upper collecting tube touches the arc-shaped bottom and will produce partial rotation after reflection, so that the negative pressure in the upper collecting tube produces a swirling flow, At the same time, because the twist of the fiber strands is extremely weak or even untwisted, the fibers in the strands are turned over during the gathering process, so that the fibers are transferred to each other, so that the strands are weakly twisted, and due to the The fiber strands are divided into bundles and gathered separately, so that the weak twisting effect is greater than that of the overall gathering of the fiber strands. A certain amount of fiber strips are obtained under the double action, and the fiber strips are driven by the rotation of the gathering ring to run to the gathering circle on the upper part of the lower gathering notch of the upper gathering pipe. At this time, the fiber strips are arranged in a flat state on the On the gathering ring, the lower gathering notch directly below the fiber belt is the active lower gathering notch at this time. The belts are gathered parallel to the center of the lower gathering notch under the negative pressure in the lower gathering notch, so as to obtain a certain number of fiber bundles with weak twist, and the number of fiber bundles is smaller than the number of fiber belts, and each obtained The fiber bundles are immediately pressed tightly between the output bottom roller and the output top rubber roller of the output roller pair, and are continuously output by the output roller pair. The output fiber bundles are finally twisted and plied into yarns under the action of twisting twist, so that Realize that the spun yarn has a property similar to strands, thereby improving yarn strength and reducing yarn hairiness.

In the present invention, a collecting tube with a hollow structure inside and kept fixed is installed between the front drafting roller and the output roller, and upper collecting and splitting grooves and lower collecting grooves arranged at equal intervals are respectively opened on the collecting pipe, thereby The gathering and splitting of the drawn fiber strands can be realized through the upper gathering groove, so as to obtain several fiber strips with weaker twist, and the parallel gathering of several adjacent fiber bundles can be realized through the lower gathering groove, so as to obtain a weak twist A number of fiber bundles, so as to achieve the double effect of gathering and splitting the fiber strands after drafting, so as to realize the gathering of the drawn fiber strands before twisting on the one hand, reduce the twisting triangle area, and reduce the yarn formation Hairiness; on the other hand, the spun yarn has a property similar to strands, thereby improving yarn strength and reducing yarn hairiness.

Description of drawings

Fig. 1 is a structural schematic diagram of the compact beam-splitting spinning device of the present invention.

Detailed ways

As shown in Figure 1, a compact beam-splitting spinning device includes a drafting system, the drafting system includes a pair of rear drafting rollers, a pair of middle drafting rollers, a pair of front drafting rollers, and the pair of rear drafting rollers includes a rear bottom The drafting roller and the rear upper pressing rubber roller, the middle drafting roller pair includes the middle and lower drafting roller and the middle and upper pressing rubber roller, the front drafting roller pair includes the front lower drafting roller 1 and the front upper pressing rubber roller 2, and the front The front part of the drafting roller pair is equipped with an output roller pair, and the output roller pair includes the output bottom roller 3 and the output top rubber roller 4, the rear bottom draft roller, the middle bottom draft roller, the front bottom draft roller, and the output bottom roller The structure is the same, the rear lower drafting roller, the middle lower drafting roller, the front lower drafting roller, and the output lower roller include the middle roller shaft 6, and the middle roller shaft is a solid cylinder of iron or steel. The outer tight sleeve has an outer roller sleeve 7. The material of the outer roller sleeve is exactly the same as that of the middle roller shaft. The outer roller sleeve and the middle roller shaft are integrated and fixedly connected. The cots and output top cots have the same structure, the rear top press cots, the middle top press cots, the front top press cots, and the output top cots include the middle cot shaft 8, which is made of iron or steel The outer rubber roller sleeve 9 is tightly sleeved on the outside of the middle rubber roller shaft. The outer rubber roller sleeve is made of rubber material. The outer rubber roller sleeve and the middle rubber roller shaft are connected by bearings. The middle and lower drafting rollers, the diameter of the middle roller shaft of the front and lower drafting rollers are the same and larger than the diameter of the middle roller shaft of the output bottom roller, the outer rollers of the rear and lower drafting rollers, the middle and lower drafting rollers, and the front and lower drafting rollers The diameter of the sleeve is the same and larger than the diameter of the outer roller sleeve of the output bottom roller. Cots, middle and upper pressing rubber rollers, front upper pressing rubber rollers, and outer rubber roller sleeves of output upper rubber rollers have the same diameter, and the middle roller shaft of the front and lower drafting rollers is driven by the first motor, and the first motor is a frequency conversion motor , or a servo motor, or a permanent magnet synchronous motor, the middle roller shaft of the lower middle drafting roller and the middle roller shaft of the front lower drafting roller are connected through the first gear, and the speed of the middle roller shaft of the lower middle drafting roller Less than the speed of the middle roller shaft of the front bottom drafting roller, the middle roller shaft of the rear bottom drafting roller and the middle roller shaft of the middle bottom drafting roller are connected by the second gear, and the middle roller shaft of the rear bottom drafting roller The rotating speed of the middle and lower drafting rollers is less than the rotating speed of the intermediate roller shaft of the middle and lower drafting rollers, and the intermediate roller shaft of the output roller and the intermediate roller shaft of the front lower drafting roller are connected through the third gear 5, and the rotating speed of the intermediate roller shaft of the output bottom roller is Equal to the rotation speed of the middle roller shaft of the front bottom drafting roller, the rear bottom drafting roller, the middle bottom drafting roller, the front bottom drafting roller, and the output bottom roller are fixed on the roller seat, and the rear insertion grooves are respectively set on the roller seat , middle embedding groove, front embedding groove, output roller embedding groove, rear lower drafting roller, middle and lower drafting roller, front lower drafting roller, and output lower roller respectively embedded in the rear embedding groove, middle embedding groove, The front embedding groove and the output roller are embedding in the groove, each Set up a roller seat every three spindle positions, and the roller seat is located between the corresponding two spindle positions, the roller seat is fixed on the car table of the spinning frame, the rear upper pressing rubber roller, the middle upper pressing rubber roller, and the front upper pressing glue The middle rubber roller shaft of the roller is embedded in the pressurized assembly, which is a spring-loaded or pneumatically pressurized structure. The cross bar is fixed on the roller seat, and an independent gripping device is installed in the front of the pressing assembly. The middle rubber roller shaft of the output top rubber roller is embedded in the independent grip to realize the fixed installation of the output top rubber roller. A gathering and splitting device is arranged between the pair of rollers and the pair of output rollers. The gathering and splitting device includes a gathering pipe 10. The gathering pipe includes an upper gathering pipe and a lower fixed pipe. The inside of the upper gathering pipe is a hollow structure. The cross section of the upper gathering pipe It is elliptical, and the upper and lower parts of the upper collecting pipe are flat. Along the length direction of the upper collecting pipe, there is a connecting seam at the lower part of the upper collecting pipe. The connecting seam is a rectangular structure, and the lower fixing pipe is a solid cylindrical structure. , the upper curved surface of the lower fixed pipe is embedded and fixed in the connection seam of the upper collecting pipe, and the upper curved surface of the lower fixed pipe is airtightly connected with the connecting seam of the upper collecting pipe, and the lower fixed pipe is embedded and fixed on the roller seat, thus To realize the fixed installation of the collecting pipe, a connecting hole 15 is opened on one side of the upper side of the collecting pipe. The connecting hole is located on the collecting pipe on the right or left of the front bottom roller. The connecting hole is a circular structure. A connecting branch pipe is installed, and the connecting branch pipe communicates with the negative pressure fan through the connecting pipeline. On the upper side of the collecting pipe, there are upper gathering and splitting notches 11 and lower gathering notches 12 arranged at equal intervals from left to right. The beam-splitting notch is rectangular, and the number of the upper focusing and splitting notches is between 2 and 8. The width between the sides is greater than the width of the fiber strands obtained after drafting. The lower gathering notch is trapezoidal, and along the length direction of the lower gathering notch, the width of the lower notch gradually decreases from top to bottom. The lower gathering notch The number of is less than the number of upper beam-splitting notches, and the relationship between the number of upper beam-splitting slots and the number of lower beam-splitting slots satisfies an integer multiple, and the leftmost lower beam-splitting slot is located on the leftmost side The right side of the upper focusing and splitting notch, the rightmost lower focusing notch is located on the left side of the rightmost upper focusing and splitting notch, and the leftmost lower focusing notch and the leftmost The horizontal distance between the upper gathering and splitting notches on the side is equal to the horizontal distance between the rightmost lower gathering notch and the rightmost upper gathering and splitting notch, and the lower part of the lower fixing tube is provided with a support Device 14, the supporting device includes a left connecting strut and a right connecting strut, the tops of the left connecting strut and the right connecting strut are respectively connected to the lower part of the lower fixing pipe through the rotating shaft, and the bottoms of the left connecting strut and the right connecting strut A cross strut is fixedly connected between the ends, and a rotating sleeve is provided through a bearing on the cross strut, and a gathering ring 13 is set between the upper part of the gathering tube and the rotating sleeve of the supporting device. A fabric made of interwoven weft threads, with mesh holes evenly arranged on the gathering circle .

When used, it includes the preparation process before spinning, the gathering and splitting process, the parallel gathering process, and the twisting process:

Pre-spinning preparation process: the pressurizing component presses down, so that the rear lower drafting roller of the rear drafting roller pair and the rear upper pressing rubber roller are tightly pressed, and the middle and lower drafting rollers of the middle drafting roller pair and the rear upper Tight pressing between the pressing rubber rollers, tight pressing between the front lower drafting roller 1 and the front upper pressing rubber roller 2 of the front drafting roller pair, tight pressing between the output lower roller 3 and the output upper rubber roller 4 of the output roller pair , the first motor drives the middle roller shaft of the front lower drafting roller 1 to rotate, thereby driving the outer roller sleeve of the front lower drafting roller to rotate, thereby driving the front upper rubber roller which is in close pressing contact with the outer roller sleeve of the front lower drafting roller 2. The outer rubber roller sleeve rotates around the middle rubber roller shaft of the front upper rubber roller, and the middle roller shaft of the front lower drafting roller rotates to drive the middle roller shaft of the middle and lower drafting rollers to rotate through the first gear, thereby driving the middle and lower drafting rollers to rotate. The outer roller sleeves of the drafting rollers rotate, thereby driving the outer rubber roller sleeves of the middle and upper cots that are in close contact with the outer roller sleeves of the middle and lower drafting rollers to rotate around the middle cot shaft of the middle and upper cots, and the middle and lower cots The speed of the middle roller shaft of the drafting roller is smaller than the speed of the middle roller shaft of the front bottom drafting roller, and the ratio of the speed of the middle roller shaft of the front bottom drafting roller to the speed of the middle roller shaft of the middle and bottom drafting roller is equal to the front draft The drafting multiple of the front drafting area between the stretching roller pair and the middle drafting roller pair, the middle roller shaft of the middle and lower drafting rollers rotates to drive the middle roller shaft of the rear lower drafting roller to rotate through the second gear, thereby driving The outer roller sleeve of the rear lower drafting roller rotates, thereby driving the outer rubber roller sleeve of the rear upper rubber roller which is in close pressing contact with the outer roller sleeve of the rear lower drafting roller to rotate around the middle rubber roller shaft of the rear upper rubber roller, and The speed of the middle roller shaft of the rear bottom drafting roller is less than the speed of the middle roller shaft of the middle bottom drafting roller, and the ratio of the speed of the middle roller shaft of the middle and bottom drafting roller to the speed of the middle roller shaft of the rear bottom drafting roller is equal to The drafting multiple of the rear drafting area between the middle drafting roller pair and the rear drafting roller pair, the middle roller shaft of the front bottom drafting roller 1 rotates, and the middle roller shaft of the output bottom roller 3 is driven by the third gear to rotate, Thereby driving the outer roller sleeve of the output lower roller to rotate, thereby driving the outer rubber roller sleeve of the output upper rubber roller 4 that is in close contact with the outer roller sleeve of the output lower roller to rotate around the middle rubber roller shaft of the output upper roller, and the output The rotating speed of the intermediate roller shaft of the bottom roller is equal to the rotating speed of the intermediate roller shaft of the front lower drafting roller. The tight state surrounds between the upper part of the upper collecting pipe of the collecting pipe 10 and the rotating sleeve of the supporting device, and at the same time, the collecting ring in a tense state is in close contact with the front of the output bottom roller 3, so that it is driven by the output bottom roller. Synchronized rotation.

Gathering and splitting process: during spinning, the roving is fed between the rear lower drafting roller of the rear drafting roller pair and the rear upper pressing rubber roller through the bell mouth, and then passed through the middle and lower drafting rollers of the middle drafting roller pair and The upper and middle pressing rubber rollers are tightly pressed and output, during which they are drawn by the rear drafting area between the middle drafting roller pair and the rear drafting roller pair, and then pass through the front lower drafting roller of the front drafting roller pair 1 and the front upper pressing rubber roller 2 are tightly pressed and output, during which they are drafted by the front drafting area between the front drafting roller pair and the middle drafting roller pair, and finally by the front lower drafting roller pair of the front drafting roller pair The output of the front nip between the stretching roller and the front upper pressing rubber roller is the fiber strand with very weak twist or no twist after drafting, and the fiber strand after drafting is continuously output and transported to the upper part of the gathering ring 13, Driven by the rotation of the gathering ring, it is continuously output forward. During this process, the fiber strands first run to the upper gathering circle of the upper gathering and splitting notch 11 of the upper gathering tube. At this time, the fiber whiskers are arranged in a flat state. Clothed on the gathering ring, the upper gathering and splitting notch located directly below the fiber whiskers is the functioning upper gathering and splitting notch. The relatively dispersed fibers in the fiber strands above the functioning upper gathering and splitting notch are gathered towards the center of the upper gathering and splitting notch under the action of negative pressure in the upper gathering and splitting notch, thereby realizing on the one hand The overall gathering of the fiber strands means reducing the width of the fiber strands. On the other hand, it realizes the splitting of the fiber strands during the gathering process. In the connecting seam of the collecting pipe, so that the bottom of the upper collecting pipe is arc-shaped with an inwardly convex structure, so that the negative pressure in the upper collecting pipe touches the bottom of the arc and will produce a partial rotation after reflection, so that the inside of the upper collecting pipe At the same time, because the twist of the fiber strands is extremely weak or even untwisted, the fibers in the strands are turned over during the gathering process, so that the fibers are transferred to each other, so that the strands are weakly twisted effect, and because the fiber strands after drafting are divided into bundles and gathered separately, the weak twisting effect is greater than that of the fiber strands when they are gathered as a whole, and the fiber strands are in the upper gathering and splitting notch 11 A certain amount of fiber tapes can be obtained under the double action of gathering, weak twisting and beam splitting under the negative pressure.

Parallel gathering process: the fiber belt is driven by the rotation of the gathering circle 13 and then runs to the gathering circle on the upper part of the lower gathering notch 12 of the upper gathering pipe. At this time, the fiber belt is arranged on the gathering circle in a flat state. At this time, the lower accumulation notch directly below the fiber band is the effective lower accumulation notch, and under the action of the accumulation negative pressure in the lower accumulation notch 12, the fiber band above each functioning lower accumulation notch is Under the action of negative pressure in the lower gathering notch, the center of the lower gathering notch is gathered in parallel to obtain a certain number of fiber bundles with weak twist, and the number of fiber bundles is less than the number of fiber bands, and each fiber bundle obtained Immediately press tightly between the output bottom roller 3 and the output top rubber roller 4 of the output roller pair, and the output is driven by the output roller pair continuously.

Twisting yarn forming process: the output fiber bundles are finally twisted and plied into yarn under the action of twisting twist, so that the spun yarn has a property similar to strands, thereby improving yarn strength and reducing yarn hairiness.

Claims (2)

1. one kind gathers beam splitting spinning apparatus, including drafting system, the drafting system includes first break draft roller to, middle drawing-off sieve Draw to, front traction roller pair, the first break draft roller to drawing rollers lower after including and it is rear on by dandy roll, middle drawing-off sieve Draw to drawing rollers lower in including and in it is upper by dandy roll, the front traction roller is to including front lower drawing rollers and preceding upper pressing Rubber roller adds delivery roller pair in the front of the front traction roller pair, the delivery roller to include output bottom roll and Export upper glue roller, lower drawing rollers after described, in lower drawing rollers, front lower drawing rollers, export bottom roll structure it is identical, institute Lower drawing rollers after stating, in lower drawing rollers, front lower drawing rollers, output bottom roll include intermediate roller shaft, intermediate sieve Pulling shaft is the solid cylinder bodily form of irony or steel, has an external roller set the outside of the intermediate roller shaft is fixed, described outer The material of portion's roller set is identical with the intermediate material of roller shaft, and roller shaft is integrated the external roller set and centre fixes Connection, after described it is upper by dandy roll, in it is upper by dandy roll, it is preceding upper identical by dandy roll, the structure for exporting upper glue roller, it is described after on By dandy roll, on by dandy roll, it is preceding on by dandy roll, output upper glue roller include intermediate rubber roller, the intermediate rubber roller is The solid cylinder bodily form of irony or steel has an external rubber roller set the outside of the intermediate rubber roller is fixed, the external rubber roller Set is rubber material, is connected between the external rubber roller set and intermediate rubber roller by bearing, it is described after under drawing rollers, under Drawing rollers, front lower drawing rollers intermediate roller shaft diameter it is identical and be greater than output bottom roll intermediate roller shaft it is straight Diameter, lower drawing rollers after described, in lower drawing rollers, front lower drawing rollers external roller set diameter it is identical and be greater than and export The diameter of the external roller set of bottom roll, after described it is upper by dandy roll, in it is upper by dandy roll, it is preceding upper by dandy roll, output gluing The diameter of the intermediate rubber roller of roller is identical, after described it is upper by dandy roll, in it is upper by dandy roll, it is preceding upper by dandy roll, output gluing The diameter of the external rubber roller set of roller is identical, and the intermediate roller shaft of the front lower drawing rollers is driven by first motor to be rotated, and first Motor is variable-frequency motor or servo motor or permanent magnet synchronous motor, in lower drawing rollers intermediate roller shaft and front lower lead Stretch and connected between the intermediate roller shaft of roller by first gear, and in lower drawing rollers intermediate roller shaft revolving speed be less than before The revolving speed of the intermediate roller shaft of lower drawing rollers, the intermediate roller of intermediate roller shaft lower drawing rollers in of rear lower drawing rollers Connected between axis by second gear, and the revolving speed of the intermediate roller shaft of rear lower drawing rollers be less than in descend the centres of drawing rollers The revolving speed of roller shaft is connected between the intermediate roller shaft of delivery roller and the intermediate roller shaft of front lower drawing rollers by third gear The revolving speed for connecing, and exporting the intermediate roller shaft of bottom roll is equal to the revolving speed of the intermediate roller shaft of front lower drawing rollers, descends drawing-off afterwards Roller, in lower drawing rollers, front lower drawing rollers, output bottom roll be fixed on roller stand, set respectively on the roller stand Be equipped with rear embedded groove, middle embedded groove, preceding embedded groove, delivery roller embedded groove, descend afterwards drawing rollers, in lower drawing rollers, front lower Drawing rollers, output bottom roll are respectively embedded into the rear embedded groove, middle embedded groove, preceding embedded groove, delivery roller for being fixed on roller stand In embedded groove, one roller stand is set every three spindle positions, and roller stand, between corresponding two spindle positions, roller stand is fixed On the ride face of spinning frame, it is rear upper by dandy roll, on by dandy roll, it is preceding on be embedded in and add by the intermediate rubber roller of dandy roll It presses on component, pressure-applying unit is spring pressurization or Pneumatic Pressure structure, and the rear portion of pressure-applying unit is fixed on fixed transverse rod, institute Stating fixed transverse rod is solid cylindrical structure, and the fixed transverse rod is fixed on roller stand, in the front of the pressure-applying unit It adds and independently grabs device, the intermediate rubber roller for exporting upper glue roller is embedded in the fixation for independently grabbing to realize output upper glue roller Installation gathers beam splitting arrangement to being provided between delivery roller pair in the front traction roller, it is characterised in that: described to gather Beam splitting arrangement includes centralizing pipe, and the centralizing pipe includes upper centralizing pipe and lower fixing pipe, and the inside of the upper centralizing pipe is hollow Structure, the cross section of the upper centralizing pipe are ellipse, the upper and lower part of the upper centralizing pipe be it is flat, on described The length direction of collector is provided with connecting sewing in the lower part of upper centralizing pipe, and the connecting sewing is rectangle structure, the lower fixing pipe Top cambered surface insertion for the cylinder of solid construction, the lower fixing pipe is fixed in the connecting sewing of centralizing pipe, and lower solid Determine airtight connection between the top cambered surface of pipe and the connecting sewing of upper centralizing pipe, the lower fixing pipe insertion is fixed on roller stand, To realize the fixed installation of centralizing pipe, connecting hole, the connection hole location are provided in the side of the upper side of the centralizing pipe In on the right side of preceding bottom roll or the centralizing pipe in left side, the connecting hole is circular configuration, the company of adding on the connecting hole Connect branch pipe, the connecting branch is connected to by connecting line with negative-pressure air fan, the centralizing pipe upper side from left to right Be provided with equidistantly arrange on gather beam splitting notch and under gather notch, it is described on to gather beam splitting notch be rectangle, it is described on Gather the quantity of beam splitting notch between 2-8, gathers on the left side of beam splitting notch and one of the rightmost side on one of the leftmost side Gather the width that the width between the right side of beam splitting notch is greater than the fiber strip obtained after drawing-off, notch is gathered under described for ladder Shape, and the length direction for gathering under notch is gradually reduced on from the width of lower notch, and the quantity of notch is gathered under described Less than the quantity for above gathering beam splitting notch, and on gather beam splitting notch quantity and under gather notch and quantity between meet it is whole The relationship of several times gathers notch under one of the leftmost side and is located at the right side for gathering beam splitting notch on one of the leftmost side, the rightmost side One under gather notch and be located on one of the rightmost side and gather the left side of beam splitting notch, and gather notch under one of the leftmost side With one of the leftmost side on gather horizontal space between beam splitting notch and be equal under one of the rightmost side and gather notch and the rightmost side One on gather horizontal space between beam splitting notch, the lower part of the lower fixing pipe is provided with support device, the branch Support arrangement includes left connection strut and right connection strut, and the left connection strut and the right top for connecting strut pass through rotation respectively Axis connection is fixedly connected with horizontal branch between the left connection strut and the bottom end of right connection strut in the lower part of lower fixing pipe Bar is cased with turning set by bearing on the cross support arm, in the upper centralizing pipe top of the centralizing pipe and turning for support device It is cased with compacting ring between dynamic set, the compacting ring is the fabric being interwoven by warp and weft, on the compacting ring uniformly Be placed with mesh.

2. what a kind of a kind of based on claim 1 gathered beam splitting spinning apparatus gathers beam splitting Yarn spinning method, it is characterised in that: make Used time, pressure-applying unit push so that the rear lower drawing rollers of first break draft roller pair and it is rear on by closely being pressed between dandy roll Pressure, in middle drawing rollers pair lower drawing rollers and it is rear it is upper by closely pressed between dandy roll, the front lower of front traction roller pair is led Stretch roller and it is preceding on by between dandy roll closely pressing, delivery roller pair output bottom roll and output upper glue roller between closely by Pressure, first motor drives the intermediate roller shaft of front lower drawing rollers to rotate, to drive the external roller set of front lower drawing rollers Rotation, thus drive with the external rollers of front lower drawing rollers cover close face contact preceding upper glue roller external rubber roller set around The intermediate rubber roller of preceding upper glue roller rotates, and the intermediate roller shaft rotations of front lower drawing rollers is to by under in first gear drive The intermediate roller shaft of drawing rollers rotates, so that the external roller of lower drawing rollers covers rotation in driving, thus under driving in The external roller of drawing rollers covers intermediate rubber roller of the external rubber roller set around middle upper glue roller of the middle upper glue roller of close face contact Axis rotation, and in lower drawing rollers intermediate roller shaft revolving speed less than front lower drawing rollers intermediate roller shaft revolving speed, it is preceding The revolving speed of the intermediate roller shaft of lower drawing rollers the ratio between revolving speed of intermediate roller shaft of lower drawing rollers in is equal to front draft sieve Draw to the drafting multiple of the front draft zone between middle drawing rollers pair, in lower drawing rollers the rotation of intermediate roller shaft to lead to The intermediate roller shaft rotation of lower drawing rollers after second gear drives is crossed, so that the external roller set of lower drawing rollers turns after driving It is dynamic, so that the external roller of drive and rear lower drawing rollers covers the external rubber roller set of the rear upper glue roller of close face contact around rear The intermediate rubber roller of upper glue roller rotates, and the revolving speed of the intermediate roller shaft of rear lower drawing rollers be less than in descend the centres of drawing rollers The revolving speed of roller shaft, in lower drawing rollers intermediate roller shaft revolving speed and rear lower drawing rollers intermediate roller shaft revolving speed it Drafting multiple than the first break draft area being equal between middle drawing rollers pair and first break draft roller pair, intermediate sieve of front lower drawing rollers Pulling shaft rotation is to drive the intermediate roller shaft rotation of output bottom roll by third gear, to drive the outer of output bottom roll Portion's roller set rotation, to drive the external glue for covering the output upper glue roller of close face contact with the external roller of output bottom roll Roller set is rotated around the intermediate rubber roller of output upper glue roller, and the revolving speed for exporting the intermediate roller shaft of bottom roll is equal to front lower drawing-off The revolving speed of the intermediate roller shaft of roller, meanwhile, the left connection strut of support device and right connection strut are rotated around rotation axis, So that compacting ring being looped around between the upper centralizing pipe top of centralizing pipe and the turning set of support device in tensioning state, together When be in close contact in the compacting ring of tensioning state and the front of output bottom roll, to be carried out under the drive of output bottom roll same The rotation of step, when spinning, rove after horn mouth is by first break draft roller pair lower drawing rollers and after upper fed by between dandy roll Enter, and after pass through in drawing rollers pair lower drawing rollers and in it is upper by closely pressing output between dandy roll, during which by The drawing-off in the first break draft area between drawing rollers pair and first break draft roller pair acts on, and then front lower through front traction roller pair is led again Stretch roller and it is preceding on by between dandy roll closely pressing export, during which by between front traction roller pair and middle drawing rollers pair The drawing-off of front draft zone acts on, finally by the front lower drawing rollers of front traction roller pair and the preceding upper preceding jaw by between dandy roll Exporting after obtaining drawing-off has pole weak twist or non-twist fiber strip, and the fiber strip after drawing-off is transported to collection after constantly exporting The top of poly- circle, constantly exports forward under the drive of compacting ring rotation, and during this, fiber strip runs supreme gather first On the compacting ring for gathering the top of beam splitting notch on pipe, at this point, fiber strip is arranged on compacting ring in tiled state, at this time Gather on immediately below fiber strip beam splitting notch be work on gather beam splitting notch, gather in beam splitting notch upper Gather negative pressure under the action of, gather on each working more dispersed in the fiber strip above beam splitting notch Fiber gathers on this to be gathered the center of beam splitting notch on this and is gathered under suction function in beam splitting notch, thus a side Face realizes that the whole of fiber strip is gathered, namely realizes the reduction of fiber strip width, on the other hand realizes that fiber strip exists Beam splitting during gathering, during gathering, since the top cambered surface insertion of lower fixing pipe is fixed on the connection of upper centralizing pipe In seam, so that the bottom of upper centralizing pipe is the arc with interior male structure, so that the negative pressure in upper centralizing pipe contacts The rotation of part can be generated after reflecting again to curved bottom, so that the negative pressure in upper centralizing pipe generates eddy flow, simultaneously because The twist of fiber strip is extremely weak or even non-twist, so that the fiber during gathering in yarn is flipped, so that fine Mutually transfer occurs between dimension, to carry out weak twisting effect to yarn, and since the fiber strip after drawing-off is carried out by beam splitting Gather respectively, so that the weak twisting effect carries out entirety compared to fiber strip and gathers Shi Yao great, fiber strip is in Shang Ji Gathering for negative pressure in poly- slot obtains a certain number of fiber bands under weak twisting, beam splitting double action, and fiber band is in compacting ring Rotation drives lower then operation to being located on the compacting ring on the top for gathering notch under upper centralizing pipe, at this point, fiber band is in flat Status park is spread on compacting ring, it is to work down to gather notch that notch is gathered under being now placed in immediately below fiber band, Under gather in notch gather negative pressure under the action of, gather fiber band above notch in the next part positioned at each working down Gathered in parallel under suction function in poly- notch to the center for gathering notch under this, to obtain a fixed number with weak twist The fibre bundle of amount, and the quantity of fibre bundle is less than the quantity of fiber band, obtained each fibre bundle is immediately by the defeated of delivery roller pair It is closely pressed between bottom roll and output upper glue roller out, and by delivery roller to drive constantly output, each fibre bundle of output Final twisted and plied resultant yarn under the action of twisting the twist, thus realize that spun yarn has the property of similar strand, thus It improves yarn strength, reduce Yarn filoplume.