CN111876882B

CN111876882B - Warp roller of textile machine

Info

Publication number: CN111876882B
Application number: CN202010800801.1A
Authority: CN
Inventors: 金绿英
Original assignee: Yuexi Country Changning Knit And Silk Co ltd
Current assignee: Yuexi Shennongshi Agricultural Technology Co ltd
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-11-23
Anticipated expiration: 2040-08-11
Also published as: CN111876882A

Abstract

The invention belongs to the technical field of silk processing and spinning, and particularly relates to a warp roller of a spinning machine, which comprises an outer roller and an inner roller which are coaxially and rotatably connected, wherein the roller surface of the outer roller is provided with a strip hole penetrating through the wall of the outer roller along the bus direction; n inner rollers are arranged; a first baffle is fixedly arranged at one end of the outer roller, and a second baffle which slides along the axial direction of the outer roller is arranged on the roller surface of the outer roller; an expansion and contraction protection mechanism is further arranged between the first baffle and the second baffle. The silk threads are fixed at the center of the inner roller, the inner roller is rotated at the initial stage of winding, and the outer roller is started after the silk threads are uniformly distributed on the inner roller, so that the bottom threads on the outer roller are uniformly distributed all the time, and the uniform paying-off speed of each silk thread is ensured during the subsequent paying-off; the protection mechanism keeps the end face of the thread coil flat, ensures that the next section cannot be staggered with the section silk thread during winding, and ensures that the bottom threads on the whole warp roller are arranged closely and uniformly.

Description

Warp roller of textile machine

Technical Field

The invention belongs to the technical field of silk processing and spinning, and particularly relates to a warp roller of a spinning machine.

Background

The warp threads of the textile machine are silk threads parallel to the integral discharging direction of the textile fabric, and the warp threads and the weft threads are vertically interwoven to form the fabric. Before the textile machine starts working, a plurality of strands of warps need to be wound on a warp roller, and the warps are paid off outwards at a constant speed along with the textile, so that the paying off speed of all the warps needs to be ensured to be consistent in the process, otherwise, the local loosening phenomenon occurs on the cloth. However, when the warp roller winds warp, thousands of silk threads are firstly divided into a plurality of groups, about hundreds of silk threads in each group are bundled into a bundle and then fixed on the warp roller, so that a plurality of bulges can appear on the inverted warp roller, the bulges can enable the radius of winding and unwinding of a local area of the warp roller to be larger than that of other areas in the subsequent winding and unwinding processes, and the overall angular speed of the warp roller is consistent, so that the unwinding speed of the local area can be larger than that of other areas. In order to overcome the technical problem, the prior art generally wraps the liner on the warp roller, so that the outer surface of the warp roller is kept as flat as possible, and the operation mode is complex on one hand, and on the other hand, the uniform size of the roller surface of the warp roller is difficult to ensure.

Disclosure of Invention

The invention aims to provide a warp roller of a textile machine, which can improve the uniformity of the paying-off speed of each warp during the paying-off of the warp.

The technical scheme adopted by the invention is as follows:

a warp roller of a textile machine comprises an outer roller and an inner roller which are coaxially and rotatably connected, wherein the inner roller is positioned inside the outer roller, and the roller surface of the outer roller is provided with a bar hole penetrating through the wall of the outer roller along the direction of a bus; the number of the inner rollers is n, namely a 1 st inner roller and a 2 nd inner roller … … nth inner roller, and the 1 st inner roller and the 2 nd inner roller … … nth inner roller are sequentially arranged along the axial direction of the outer roller; the power distribution mechanism is assembled to be capable of switching between the following two stations: in the first station, a power distribution mechanism transmits power output by a driving element to an inner roller so as to drive the inner roller to rotate independently; in the second working position, the power distribution mechanism transmits the power output by the driving element to the outer roller and the inner roller simultaneously so as to drive the inner roller and the outer roller to rotate synchronously; a first baffle is fixedly arranged at one end of the outer roller, a second baffle which slides along the axial direction of the outer roller is arranged on the roller surface of the outer roller, and the first baffle and the second baffle are both arranged in a protruding manner outwards along the radial direction of the outer roller; still be equipped with the breathing protection mechanism between first baffle and the second baffle, the breathing protection mechanism sets up along outer roller axis direction activity, and the breathing protection mechanism includes a plurality of expansion plates that set up along outer roller circumference interval, and each expansion plate sets up along outer roller radial synchronous telescope.

The power distribution mechanism comprises a central shaft, a tubular shaft and a spline housing, the spline housing is sleeved outside the central shaft, the tubular shaft is sleeved outside the spline housing, and the tubular shaft is in circumferential rotation and axial fixed connection with the central shaft; the central shaft and the tubular shaft are in sliding fit with the spline housing along the axis direction; the periphery of the central shaft is provided with a first spline, the inner ring surface of the spline housing is provided with a first key groove, the outer ring surface of the spline housing is provided with a second spline, and the inner ring surface of the tubular shaft is provided with a second key groove; the first station is that the first spline is inserted into the first key groove and the second spline is separated from the second key groove; the second station is formed by inserting a first spline into the first key groove and inserting a second spline into the second key groove; a locking mechanism capable of locking the outer roller in a fixed state when the power distribution mechanism drives the inner roller to rotate independently is further arranged between the tubular shaft and the rack; the locking mechanism comprises a sleeve fixedly connected with the machine frame, the sleeve is sleeved outside the tubular shaft, a third spline is arranged on the outer ring surface of the tubular shaft, a third key groove is formed in the inner ring surface of the sleeve, and when the second spline is separated from the second key groove, the third spline is inserted into the third key groove.

The outer roller is also provided with a movable door for opening or closing the strip hole, an opening and closing adjusting mechanism is arranged between the movable door and the power distribution mechanism, the opening and closing adjusting mechanism is assembled to open the movable door when the power distribution mechanism is positioned at the first station, close the movable door when the power distribution mechanism is positioned at the second station, and the outer wall of the movable door and the outer wall of the outer roller form a complete cylindrical roller surface after the movable door is closed; the movable door is arc-plate-shaped, one straight edge of the movable door is in sliding pin joint with a strip groove arranged on the inner wall of the outer roller through a pin shaft, a pivot is parallel to the axis of the outer roller, a push block is arranged on the inner wall of the movable door, and the push block is movably arranged along the axial vertical direction of the outer roller; the opening and closing adjusting mechanism comprises a sliding rod fixedly connected with the tubular shaft, the sliding rod is inserted into the outer roller, and the sliding rod and the outer roller form relative movable fit along the axial direction of the outer roller; a transmission mechanism is arranged between the sliding rod and the push block, and the transmission mechanism is assembled to convert the axial motion of the sliding rod into the vertical motion of the push block; the transmission mechanism comprises a driving block arranged on a sliding rod and a driven block arranged in an outer roller in a sliding manner, the sliding direction of the driven block is perpendicular to the axis direction of the outer roller, a first wedge driving surface and a first wedge surface which are matched with each other are respectively arranged on the driving block and the driven block, a first connecting rod is hinged to the driven block, the first connecting rod is hinged to one end of a lever, the middle of the lever is hinged to the outer roller, the other end of the lever is hinged to one end of a second connecting rod, and the other end of the second connecting rod is hinged to the push block; when the first wedge driving surface pushes the first wedge surface, the pushing block can be driven to eject outwards from the outer side of the outer roller, so that the movable door is opened; the transmission mechanism further comprises a first elastic unit for driving the movable door to close.

The power distribution mechanism is sequentially provided with a 1 st station and a 2 nd station … … n 2 nd station, and when the power distribution mechanism is positioned at a 2k station, the power distribution mechanism transmits the power output by the driving element to the k inner roller and the k outer roller simultaneously so as to drive the k inner roller and the k outer roller to rotate synchronously; when the motive power distribution mechanism is positioned at the 2k-1 station, the motive power distribution mechanism independently transmits the power output by the driving element to the k inner roller so as to drive the k inner roller to rotate independently; wherein n is a positive integer, and k is a positive integer between 1 and n; the movable door and the opening and closing adjusting mechanism are arranged in one-to-one correspondence with the inner rollers, and the opening and closing adjusting mechanisms share the same sliding rod.

The second spline and the third spline are respectively provided with n sections intermittently along the axis, when the power distribution mechanism is positioned at the 2k station, the k section of the second spline is inserted into the second key groove, and all sections of the third spline and the third key groove are separated; when the power distribution mechanism is positioned at the 2k-1 th station, all sections of the second spline are separated from the second key groove, and the third spline is inserted with the k section of the third key groove; n sections of fourth splines are sequentially arranged on the central shaft, and a fourth key groove is respectively arranged on the inner wall of each inner roller; when the power distribution mechanism is positioned at a 2k station and a 2k-1 station, the kth section of fourth spline is inserted into the fourth key groove in the kth inner roller, and the rest sections of fourth splines are separated from the rest sections of fourth key grooves in the inner rollers; when the power distribution mechanism is positioned at the 2k-1 station, the movable door corresponding to the kth inner roller is opened, and the movable doors corresponding to the other inner rollers are closed; all the movable doors are closed when the power distribution mechanism is at the 2 k-th station.

The outer ring surface of the spline housing is also provided with a fifth spline, and the inner ring surface of each inner roller is respectively provided with a fifth key slot; when the second key grooves are inserted with the fifth splines, all the fourth splines are inserted with all the fifth key grooves, so that all the inner rollers and the outer rollers synchronously rotate; an avoidance mechanism which can enable the driving block to avoid the driven block when the power distribution mechanism returns from the 2n station to the 1 st station is arranged between the driving block and the driven block, the driving block is in sliding connection with a fixed seat fixedly arranged on the sliding rod, one end of a sliding path of the driving block is provided with a limiting block, the avoidance mechanism comprises a second elastic unit arranged between the driving block and the fixed seat, and the second elastic unit is assembled to enable the driving block to be tightly abutted against the limiting block due to the elasticity of the second elastic unit; still be equipped with the second scarf on the drive block, be equipped with the third scarf on the driven piece, when power distribution mechanism returns to the 1 st station from the 2n th station, the crowded second scarf that pushes away of third scarf makes the drive block can slide in order to avoid to the direction of keeping away from the stopper the driven piece.

And a linkage mechanism is arranged between the expansion protection mechanism and the second baffle, and the linkage mechanism is assembled to drive each expansion plate to radially and synchronously expand outwards along the outer roller along with the gradual increase of the winding diameter of the silk thread between the second baffle and the expansion protection mechanism, so that the inner end of each expansion plate is always flush with the surface of the silk thread roll between the second baffle and the expansion protection mechanism.

Each telescopic plate is connected with the annular support in a sliding mode along the radial direction of the outer roller, the linkage mechanism comprises a rotary disc which is rotatably arranged on the annular support, the rotary center of the rotary disc is located on the axis of the outer roller, the telescopic plates are provided with pins, the rotary disc is provided with arc-shaped holes which are arranged in one-to-one correspondence with the pins of each telescopic plate, each arc-shaped hole is gradually far away from the central line of the rotary disc from one end to the other end, and each pin is in sliding fit with each arc-shaped hole; the linkage mechanism further comprises a wire pressing roller, the axis of the wire pressing roller is parallel to the axis of the outer roller, the wire pressing roller is movably arranged in the vertical direction of the axis of the outer roller, the roller surface of the wire pressing roller is abutted against the roller surface of the outer roller under a normal state, and the wire pressing roller can be gradually pushed away in the direction away from the outer roller along with the increase of the winding diameter of the silk threads on the outer roller; and a transmission member is arranged between the line pressing roller and the rotary disc and is assembled to drive the rotary disc to rotate when the line pressing roller moves in the direction far away from the outer roller so as to drive the telescopic plates to expand outwards.

The ring-shaped support is fixed on a sliding frame, the sliding frame is arranged beside the outer roller in a sliding manner along the axis direction of the outer roller, the transmission member comprises a first lever hinged with the sliding frame, the wire pressing roller is rotatably connected with one end of the first lever, the other end of the first lever is in sliding pin joint with a first kidney-shaped hole arranged at one end of a second lever, the other end of the second lever is provided with a second kidney-shaped hole, and the second kidney-shaped hole is in sliding pin joint with a poking pin fixedly arranged on the rotary disc; the second lever is hinged to the carriage.

The annular support is provided with a plurality of radial sliding grooves at intervals along the circumferential direction, the telescopic plate is provided with a T-shaped sliding block, and the T-shaped sliding block is connected with the radial sliding grooves in a sliding manner; the sliding frame is arranged on at least two polished rods parallel to the outer roller in a sliding mode, a first locking mechanism is arranged between the sliding frame and the polished rods, and the first locking mechanism is assembled to be capable of locking the sliding frame at any position of the polished rods; the first locking mechanism comprises a sliding sleeve and a first locking bolt, the sliding sleeve is arranged on the first locking mechanism in a sliding mode and is matched with the polished rod in a sliding mode, a first threaded hole is formed in the first sliding sleeve, and the first locking bolt is arranged in the first threaded hole; a second locking mechanism is arranged between the second baffle and the outer roller and can lock the second baffle at any position of the outer roller in the axial direction; the second locking mechanism comprises a second sliding sleeve fixedly connected with the second baffle, the second sliding sleeve is in sliding fit with the roller surface of the outer roller, a second threaded hole is formed in the second sliding sleeve, and a second locking bolt is arranged in the second threaded hole.

The invention has the technical effects that: according to the winding mechanism, the silk yarns are fixed in the center of the inner roller during winding, the inner roller is rotated at the initial stage of winding, and the outer roller is started after the silk yarns are uniformly distributed on the inner roller, so that the bottom yarns on the outer roller are uniformly distributed all the time, and the uniform paying-off speed of each silk yarn during subsequent paying-off is ensured; because the sectional winding mode is adopted, in order to prevent the end face of the coil from collapsing in the winding process of each section, the movable second baffle is arranged, and the second baffle can enclose the end face of the coil far away from one side of the first baffle in the winding process to keep the end face of the coil flat and ensure that the wire of the next section cannot be staggered with the section during winding; in addition, the invention also provides an expansion and contraction protection mechanism, the expansion and contraction protection mechanism can support the end surface of the silk thread of the previous section when the silk thread of a certain section is wound, collapse of the end surface caused by high-speed rotation of the warp thread roller is avoided, and the expansion and contraction protection mechanism can be continuously away from the roller surface of the outer roller along with the winding of the silk thread of the section, so that the expansion plate cannot be clamped between the wire coils of two adjacent sections, the wire coils of the two adjacent sections can be in close contact, and the bottom threads on the whole warp thread roller are ensured to be arranged closely and uniformly.

Drawings

FIG. 1 is a schematic diagram of a warp roller winding mechanism of a textile machine provided by an embodiment of the present invention;

FIG. 2 is a schematic diagram of an initial flattening process of a warp roller wrap provided by an embodiment of the present invention;

FIG. 3 is a perspective view of a warp roller provided by an embodiment of the present invention;

FIG. 4 is a perspective view of another perspective of a warp roller provided by an embodiment of the present invention;

fig. 5 is a schematic perspective cross-sectional view of a power split mechanism provided in an embodiment of the present invention;

FIG. 6 is a cross-sectional view of a warp roll provided by an embodiment of the present invention;

fig. 7 is a perspective view of a shutter opening/closing adjustment mechanism provided in an embodiment of the present invention;

fig. 8 is a front view of a shutter opening/closing adjustment mechanism provided in the embodiment of the present invention;

FIG. 9 is a sectional view A-A of FIG. 8;

FIG. 10 is a side view of a wire guide mechanism provided by an embodiment of the present invention;

FIG. 11 is a perspective view of a wire guide mechanism provided by an embodiment of the present invention;

FIG. 12 is a perspective view of another perspective of a wire guide mechanism provided by an embodiment of the present invention;

FIG. 13 is an exploded view of the collapsible shield mechanism provided by the embodiment of the present invention;

FIG. 14 is a schematic diagram of a wire guide mechanism provided by an embodiment of the present invention;

fig. 15 is a partial structural schematic view of a guide plate provided in an embodiment of the present invention.

Detailed Description

In order that the objects and advantages of the invention will be more clearly understood, the following description is given in conjunction with the accompanying examples. It is to be understood that the following text is merely illustrative of one or more specific embodiments of the invention and does not strictly limit the scope of the invention as specifically claimed.

Example 1

A textile machine comprises a warp yarn roller winding mechanism, as shown in figure 1, wherein the warp yarn winding mechanism comprises a warp yarn roller, a guide plate 20, pay-off rollers 10 and shaping rollers 30, the pay-off rollers 10 are arranged on a pay-off rack in a plurality of arrays, the ends of the yarns on the pay-off rollers 10 are led out in the same direction, and the ends of the yarns respectively pass through threading holes 21 arranged on the guide plate 20 in the arrays and are finally wound on the warp yarn roller; the shaping roller 30 tensions the threads between the thread roller and the guide plate 20 and arranges the threads at equal intervals; the warp roller comprises an outer roller 40 and an inner roller 50 which are coaxially and rotatably connected, the inner roller 50 is positioned in the outer roller 40, and a strip hole 401 which penetrates through the wall of the outer roller 40 is formed in the roller surface of the outer roller 40 along the bus direction; further comprising a drive element and a power split mechanism 70, the power split mechanism 70 being arranged to be switchable between: in the first station, the power distribution mechanism 70 independently transmits the power output by the driving element to the inner roller 50 so as to drive the inner roller 50 to rotate independently; in the second working position, the power distribution mechanism 70 is used for simultaneously and specially transmitting the power output by the driving element to the inner roller 50 and the outer roller 40 so as to drive the inner roller 50 and the outer roller 40 to synchronously rotate; the ends of the wires are bundled into a bundle and fixed to the center of the inner drum 50. In the winding mechanism, hundreds of silk threads are tied into one strand and fixed at the center of the inner roller 50, as shown in figure 2, the inner roller 50 is rotated at the initial stage of winding, and the outer roller 40 is started after the silk threads are uniformly distributed on the inner roller 50, so that the bottom threads on the outer roller 40 are uniformly distributed all the time, and further, the uniform paying-off speed of each silk thread is ensured in the subsequent paying-off process. The threads wound on the inner roller 50 are waste and do not participate in the weaving.

Furthermore, a buffer curtain is respectively arranged at the wire outlet end of each pay-off roller 10, the buffer curtain is made of flexible fabric, and the buffer curtain is lapped on the silk yarns output by the pay-off rollers 10. The buffering curtain can prevent that the unwrapping wire from throwing away the silk thread to around when unwrapping wire roller 10 unwrapping wire speed is too fast, avoids the silk thread winding.

Preferably, as shown in fig. 15, the threading holes 21 on the guide plate 20 are arranged in parallel in multiple rows, and the threading holes 21 in two adjacent rows are staggered with each other; the edge of each threading hole 21 is provided with a smooth guide ring 22. The guide plate 20 can primarily gather the relatively dispersed threads drawn out from the payout roller 10 to be distributed on the warp rollers according to a predetermined width.

Preferably, as shown in fig. 5 and 6, the power distribution mechanism 70 includes a central shaft 71, a tubular shaft 72 and a spline housing 73, the spline housing 73 is sleeved outside the central shaft 71, the tubular shaft 72 is sleeved outside the spline housing 73, and the tubular shaft 72 is circumferentially and axially fixedly connected with the central shaft 71; the central shaft 71 is in synchronous rotating connection with the inner roller 50, the pipe shaft 72 is in synchronous rotating connection with the outer roller 40, the spline housing 73 is rotatably arranged on the frame, the spline housing 73 is in transmission connection with the output shaft of the motor through a speed reducer, and the central shaft 71 and the pipe shaft 72 form sliding fit with the spline housing 73 along the axial direction; a first spline 711 is arranged on the circumferential surface of the central shaft 71, a first key groove 731 is arranged on the inner circumferential surface of the spline housing 73, a second spline 732 is arranged on the outer circumferential surface of the spline housing 73, and a second key groove 721 is arranged on the inner circumferential surface of the tubular shaft 72; the first station is that the first spline 711 is inserted into the first key groove 731 and the second spline 732 is separated from the second key groove 721; the second station is that the first spline 711 is inserted into the first key groove 731, and the second spline 732 is inserted into the second key groove 721; a locking mechanism which can lock the outer roller 40 in a fixed state when the power distribution mechanism 70 drives the inner roller 50 to rotate independently is further arranged between the tubular shaft 72 and the frame; the locking mechanism comprises a sleeve 74 fixedly connected with the fixed frame, the sleeve 74 is sleeved outside the pipe shaft 72, a third spline 722 is arranged on the outer annular surface of the pipe shaft 72, a third key groove 741 is arranged on the inner annular surface of the sleeve 74, and when the second spline 732 is separated from the second key groove 721, the third spline 722 is inserted into the third key groove 741.

Further, as shown in fig. 7, 8, 9 and 10, the outer roller 40 is further provided with a movable door 43 for opening or closing the strip hole 401, an opening and closing adjusting mechanism is provided between the movable door 43 and the power distribution mechanism 70, the opening and closing adjusting mechanism is configured such that the movable door 43 is opened when the power distribution mechanism 70 is located at the first station, and the outer wall of the movable door 43 and the outer wall of the outer roller 40 form a complete cylindrical roller surface after the movable door 43 is closed and the power distribution mechanism 70 is located at the second station; specifically, the movable door 43 is in an arc plate shape, one straight edge of the movable door 43 is slidably pivoted with a strip groove 44 formed in the inner wall of the outer roller 40 through a pin shaft 432, a pivot is parallel to the axis of the outer roller 40, a push block 431 is arranged on the inner wall of the movable door 43, and the push block 431 is vertically movably arranged along the axial direction of the outer roller 40; the opening and closing adjusting mechanism comprises a sliding rod 76 which is fixedly connected with the pipe shaft 72 relatively, the sliding rod 76 is inserted in the outer roller 40, and the sliding rod 76 and the outer roller 40 form relative movable fit along the axial direction of the outer roller 40; a transmission mechanism is arranged between the sliding rod 76 and the pushing block 431, and the transmission mechanism is assembled to convert the axial movement of the sliding rod 76 into the vertical movement of the pushing block 431; the transmission mechanism comprises a driving block 82 arranged on the sliding rod 76 and a driven block 83 arranged in the outer roller 40 in a sliding manner, the sliding direction of the driven block 83 is perpendicular to the axial direction of the outer roller 40, a first wedge driving surface 821 and a first wedge surface 831 which are matched with each other are respectively arranged on the driving block 82 and the driven block 83, a first connecting rod 84 is hinged on the driven block 83, the first connecting rod 84 is hinged with one end of a lever 85, the middle part of the lever 85 is hinged with the outer roller 40, the other end of the lever 85 is hinged with one end of a second connecting rod 86, and the other end of the second connecting rod 86 is hinged with the pushing block 431; when the first wedge driving surface 821 pushes the first wedge surface 831, the pushing block 431 can be driven to eject outwards of the outer roller 40, so that the movable door 43 is opened; the transmission mechanism further includes a first elastic unit for driving the movable door 43 to close, and the first one-way unit may be a torsion spring for driving the first link 84, the lever 85 or the second link 86 to swing, or a compression spring for driving the driven piece 83 to slide.

Further, the inner roller 50 is provided with n, namely, a 1 st inner roller 50 and a 2 nd inner roller 50 … … nth inner roller 50, and the 1 st inner roller 50 and the 2 nd inner roller 50 … … nth inner roller 50 are sequentially arranged along the axial direction of the outer roller 40; the power distribution mechanism 70 is sequentially provided with a 1 st station and a 2 nd station … … n 2 nd station, when the power distribution mechanism 70 is located at the 2k station, the power distribution mechanism 70 simultaneously and specially transmits the power output by the driving element to the k inner roller 50 and the outer roller 40 so as to drive the k inner roller 50 and the outer roller 40 to synchronously rotate; when the motive power distribution mechanism is at the 2k-1 th station, the motive power distribution mechanism 70 transmits the power output by the driving element to the k-th inner roller 50 to drive the k-th inner roller 50 to rotate independently; wherein n is a positive integer, and k is a positive integer between 1 and n; the movable door 43 and the opening and closing adjusting mechanism are arranged in one-to-one correspondence with the inner rollers 50, and the opening and closing adjusting mechanisms share the same sliding rod 76; the second spline 732 and the third spline 741 are provided with n sections intermittently along the axis, when the power distribution mechanism 70 is located at the 2k station, the k section of the second spline 732 is inserted into the second spline 721, and all sections of the third spline 722 and the third spline 741 are disengaged; when the power distribution mechanism 70 is located at the 2k-1 th station, all sections of the second spline 732 are disengaged from the second keyway 721, and the third spline 722 is inserted into the k-th section of the third keyway 741; n sections of fourth splines 77 are sequentially arranged on the central shaft 71, and a fourth key groove 78 is respectively arranged on the inner wall of each inner roller 50; when the power distribution mechanism 70 is positioned at the 2k station and the 2k-1 station, the kth section of the fourth spline 77 is inserted into the fourth key groove 78 in the kth inner roller 50, and the rest sections of the fourth spline 77 are separated from the rest sections of the fourth key grooves 78 in the inner rollers 50; when the power distribution mechanism 70 is positioned at the 2k-1 th station, the movable door 43 corresponding to the kth inner roller 50 is opened, and the movable doors 43 corresponding to the rest inner rollers 50 are closed; all the movable doors 43 are closed when the power distribution mechanism 70 is at the 2 k-th station; the outer annular surface of the spline housing 73 is also provided with a fifth spline 75, and the inner annular surface of each inner roller 50 is provided with a fifth keyway 79; when the second key slots 721 are inserted into the fifth splines 75, each fourth spline 77 is inserted into each fifth key slot 79, so that all the inner rollers 50 and the outer rollers 40 rotate synchronously; an avoidance mechanism which can enable the driving block 82 to avoid the driven block 83 when the power distribution mechanism 70 returns from the 2n station to the 1 st station is arranged between the driving block 82 and the driven block 83, the driving block 82 is in sliding connection with a fixed seat 81 fixedly arranged on the slide bar 76, one end of a sliding path of the driving block 82 is provided with a limit block 811, the avoidance mechanism comprises a second elastic unit 812 arranged between the driving block 82 and the fixed seat 81, and the second elastic unit 812 is assembled to enable the driving block 82 to be abutted against the limit block 811 due to the elastic force of the second elastic unit 812; the driving block 82 is further provided with a second wedge surface 822, the driven block 83 is provided with a third wedge surface 832, and when the power distribution mechanism 70 returns from the 2n th station to the 1 st station, the third wedge surface 832 pushes the second wedge surface 822 so that the driving block 82 can slide in a direction away from the limiting block 811 to avoid the driven block 83. Since one warp roller often needs to wind thousands of silk threads, however, in most cases, there is not enough place to discharge the multiple pay-off rollers 10 at the same time, the invention adopts the sectional winding mode to wind the silk threads, i.e. the warp roller is divided into a plurality of sections, as shown in fig. 3 and 4, each section winds the silk threads in turn, and therefore, the invention is provided with a plurality of inner rollers 50, the inner rollers 50 correspond to each section one by one, and each inner roller 50 is used for leveling the silk threads on the corresponding section. In order to achieve the purpose, the invention increases the number of gears of the power distribution mechanism 70, and each inner roller 50 corresponds to two gears, namely a gear for driving the inner roller 50 to rotate independently and a gear for driving the inner roller 50 and the outer roller 40 to move synchronously. In the embodiment, 3 inner rollers 50 are arranged, the power switching mechanism is provided with 2 gears corresponding to each roller, and in addition, a gear capable of driving all the inner rollers 50 and the outer rollers 40 to synchronously rotate is arranged, so that the power switching mechanism is provided with 7 gears.

Further, as shown in fig. 3, 4, 10-14, the winding guide mechanism 60 is further included, the winding guide mechanism 60 includes a first baffle 41 fixedly disposed at one end of the outer roller 40, and a second baffle 42 disposed on the roller surface of the outer roller 40 and sliding along the axial direction of the outer roller 40, and both the first baffle 41 and the second baffle 42 are disposed to protrude outward along the radial direction of the outer roller 40; an expansion and contraction protection mechanism is further arranged between the first baffle 41 and the second baffle 42, the expansion and contraction protection mechanism is movably arranged along the axial direction of the outer roller 40, the expansion and contraction protection mechanism comprises a plurality of expansion plates 61 arranged along the circumferential direction of the outer roller 40 at intervals, and each expansion plate 61 is synchronously and radially arranged along the outer roller 40 in an expansion and contraction manner; and a linkage mechanism is arranged between the expansion and contraction protection mechanism and the second baffle 42, and the linkage mechanism is assembled to drive each expansion plate 61 to radially and synchronously expand outwards along the outer roller 40 along with the gradual increase of the winding diameter of the silk thread between the second baffle 42 and the expansion and contraction protection mechanism, so that the inner end of each expansion plate 61 is always flush with the surface of the silk thread roll between the second baffle 42 and the expansion and contraction protection mechanism. Because the sectional winding mode is adopted, in order to prevent the end face of the coil from collapsing in the winding process of each section, the movable second baffle 42 is arranged, the second baffle 42 can enclose the end face of the coil far away from the first baffle 41 in the winding process to keep the end face of the coil flat, and the next section cannot be staggered with the section silk threads during winding; in addition, the invention also provides an expansion and contraction protection mechanism, the expansion and contraction protection mechanism can support the end surface of the silk thread of the previous section when the silk thread of a certain section is wound, the collapse of the end surface caused by the high-speed rotation of the warp thread roller is avoided, and the expansion and contraction protection mechanism can be continuously away from the roller surface of the outer roller 40 along with the winding of the silk thread of the section, so that the expansion plate 61 can not be clamped between the thread coils of two adjacent sections, the thread coils of two adjacent sections can be in close contact, and the tight and uniform arrangement of the bottom thread on the whole warp thread roller is further ensured.

Specifically, each telescopic plate 61 is connected with the annular support 63 in a sliding manner along the radial direction of the outer roller 40, the linkage mechanism comprises a rotary disc 67 rotatably arranged on the annular support 63, the rotation center of the rotary disc 67 is located on the axis of the outer roller 40, the telescopic plate 61 is provided with a pin 611, the rotary disc 67 is provided with arc holes 671 which are arranged in one-to-one correspondence with the pin 611 of each telescopic plate 61, each arc hole 671 is gradually far away from the central line of the rotary disc 67 from one end to the other end, and each pin 611 is in sliding fit with each arc hole 671; the linkage mechanism further comprises a wire pressing roller 62, the axis of the wire pressing roller 62 is parallel to the axis of the outer roller 40, the wire pressing roller 62 is movably arranged along the vertical direction of the axis of the outer roller 40, the roller surface of the wire pressing roller 62 is abutted against the roller surface of the outer roller 40 under a normal state, and the wire pressing roller 62 can be gradually pushed away in the direction away from the outer roller 40 along with the increase of the winding diameter of the wire on the outer roller 40; a transmission component is arranged between the wire pressing roller 62 and the rotary disc 67, and the transmission component is assembled to drive the rotary disc 67 to rotate when the wire pressing roller 62 moves in the direction away from the outer roller 40, so that the rotary disc 67 drives each telescopic plate 61 to expand outwards.

Preferably, the ring-shaped bracket 63 is fixed on a sliding frame 66, the sliding frame 66 is slidably disposed beside the outer roller 40 along the axial direction of the outer roller 40, the transmission member includes a first lever 64 hinged to the sliding frame 66, the wire pressing roller 62 is rotatably connected with one end of the first lever 64, the other end of the first lever 64 is slidably pivoted with a first kidney-shaped hole disposed at one end of a second lever 65, the other end of the second lever 65 is provided with a second kidney-shaped hole, and the second kidney-shaped hole is slidably pivoted with a pin 672 fixedly disposed on the rotary disc 67; the second lever 65 is hinged to the carriage 66.

Specifically, the annular support 63 is provided with a plurality of radial sliding grooves 631 at intervals along the circumferential direction, the telescopic plate 61 is provided with T-shaped sliding blocks 612, and the T-shaped sliding blocks 612 are connected with the radial sliding grooves 631 in a sliding manner; the sliding frame 66 is arranged on at least two polished rods 68 parallel to the outer roller 40 in a sliding manner, a first locking mechanism is arranged between the sliding frame 66 and the polished rods 68, and the first locking mechanism is assembled to be capable of locking the sliding frame 66 at any position of the polished rods 68; the first locking mechanism comprises a sliding and arranged first sliding sleeve, the first sliding sleeve is in sliding fit with the polish rod 68, a first threaded hole is formed in the first sliding sleeve, and a first locking bolt is arranged in the first threaded hole; a second locking mechanism is arranged between the second baffle plate 42 and the outer roller 40, and the second locking mechanism is assembled to be capable of locking the second baffle plate 42 at any position in the axial direction of the outer roller 40; the second locking mechanism comprises a second sliding sleeve fixedly connected with the second baffle 42, the second sliding sleeve is in sliding fit with the roller surface of the outer roller 40, a second threaded hole is formed in the second sliding sleeve, and a second locking bolt is arranged in the second threaded hole.

Example 2

A method of winding warp yarn into a textile machine as in embodiment 1, comprising the steps of:

step 1: arranging a warp roller;

step 2: drawing the thread, arranging the pay-off rollers 10 on a pay-off rack in an array manner, and migrating the end heads of the thread on each pay-off roller 10 out and respectively penetrating through thread holes 21 formed in the guide plate 20;

and step 3: bundling the ends of the silk threads into a bundle and fixing the bundle at the central position of the 1 st inner roller 50, and flatly paving the silk threads between the inner roller 50 and the guide plate 20 on the shaping roller 30;

and 4, step 4: rotating the 1 st inner roller 50 and keeping the outer roller 40 static to enable each silk thread to gradually diffuse from the center of the 1 st inner roller 50 to two ends;

and 5: when the silk threads are fully distributed on the roll surface of the whole 1 st inner roller 50, the outer roller 40 is started, and the outer roller 40 and the 1 st inner roller 50 synchronously rotate, so that the silk threads are uniformly wound on the 1 st section of the outer roller 40; when the silk threads on the pay-off roller 10 are completely wound on the warp roller, the outer roller 40 and the inner roller 50 stop rotating;

and 7: repeating the steps 2 to 5, and sequentially winding a plurality of silk threads on the 2 nd section and the 3 rd section … … nth section of the outer roller 40, wherein the silk thread end of the k section is fixed on the k inner roller 50 after being bundled;

wherein n is a positive integer and k is a positive integer between 1 and n.

In the step 5, when the silk thread in the k section is wound, the second baffle 42 is adjusted to one end of the k section, which is far away from the first baffle 41, and the expansion and contraction protection mechanism is adjusted to one end of the k section, which is close to the first baffle 41, so that each expansion plate 61 is attached to the end part of the silk thread roll in the k-1 section; as the winding radius of the wire in the k-th section increases, each stretching plate 61 gradually moves away from the roll surface of the outer roller 40, so that the inner end of each stretching plate 61 is always flush with the surface of the wire roll in the k-th section.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims

1. A weaving machine warp roller which characterized in that: the roller comprises an outer roller (40) and an inner roller (50) which are coaxially and rotatably connected, wherein the inner roller (50) is positioned inside the outer roller (40), and a strip hole (401) penetrating through the wall of the outer roller (40) is formed in the roller surface of the outer roller (40) along the bus direction; the number of the inner rollers (50) is n, namely, the 1 st inner roller (50) and the 2 nd inner roller (50) … … nth inner roller (50), and the 1 st inner roller (50) and the 2 nd inner roller (50) … … nth inner roller (50) are sequentially arranged along the axial direction of the outer roller (40); the power distribution mechanism further comprises a driving element and a power distribution mechanism (70), wherein the power distribution mechanism (70) is assembled to be capable of switching between the following two stations: in the first station, a power distribution mechanism (70) transmits power output by a driving element to an inner roller (50) independently so as to drive the inner roller (50) to rotate independently; in the second station, the power distribution mechanism (70) transmits the power output by the driving element to the outer roller (40) and an inner roller (50) simultaneously so as to drive the inner roller (50) and the outer roller (40) to rotate synchronously; a first baffle (41) is fixedly arranged at one end of the outer roller (40), a second baffle (42) which slides along the axial direction of the outer roller (40) is arranged on the roller surface of the outer roller (40), and the first baffle (41) and the second baffle (42) are both arranged along the radial direction of the outer roller (40) in a protruding mode; an expansion and contraction protection mechanism is further arranged between the first baffle (41) and the second baffle (42), the expansion and contraction protection mechanism is movably arranged along the axial direction of the outer roller (40), the expansion and contraction protection mechanism comprises a plurality of expansion plates (61) which are arranged along the circumferential direction of the outer roller (40) at intervals, and each expansion plate (61) is synchronously and radially arranged along the outer roller (40) in an expansion and contraction mode; the power distribution mechanism (70) comprises a central shaft (71), a pipe shaft (72) and a spline sleeve (73), the spline sleeve (73) is sleeved outside the central shaft (71), the pipe shaft (72) is sleeved outside the spline sleeve (73), and the pipe shaft (72) and the central shaft (71) are circumferentially rotated and axially fixedly connected; the central shaft (71) is in synchronous rotating connection with the inner roller (50), the pipe shaft (72) is in synchronous rotating connection with the outer roller (40), the spline housing (73) is rotationally arranged on the rack, the spline housing (73) is in transmission connection with an output shaft of the motor through a speed reducer, and the central shaft (71) and the pipe shaft (72) form sliding fit with the spline housing (73) along the axial direction; the peripheral surface of the central shaft (71) is provided with a first spline (711), the inner annular surface of the spline sleeve (73) is provided with a first key groove (731), the outer annular surface of the spline sleeve (73) is provided with a second spline (732), and the inner annular surface of the tubular shaft (72) is provided with a second key groove (721); the first station is that the first spline (711) is inserted into the first key groove (731) and the second spline (732) is separated from the second key groove (721); and the second station is that the first spline (711) is inserted into the first key groove (731) and the second spline (732) is inserted into the second key groove (721).

2. The textile machine warp roller according to claim 1, characterized in that: a locking mechanism capable of locking the outer roller (40) in a fixed state when the power distribution mechanism (70) drives the inner roller (50) to rotate independently is further arranged between the tubular shaft (72) and the frame; the locking mechanism comprises a sleeve (74) fixedly connected with the fixed frame, the sleeve (74) is sleeved outside the tubular shaft (72), a third spline (722) is arranged on the outer annular surface of the tubular shaft (72), a third key groove (741) is arranged on the inner annular surface of the sleeve (74), and when the second spline (732) is separated from the second key groove (721), the third spline (722) is inserted into the third key groove (741).

3. The textile machine warp roller according to claim 2, characterized in that: the outer roller (40) is further provided with a movable door (43) used for opening or closing the strip hole (401), an opening and closing adjusting mechanism is arranged between the movable door (43) and the power distribution mechanism (70), the opening and closing adjusting mechanism is assembled to open the movable door (43) when the power distribution mechanism (70) is located at the first station, and when the power distribution mechanism (70) is located at the second station, the movable door (43) is closed, and the outer wall of the closed movable door (43) and the outer wall of the outer roller (40) form a complete cylindrical roller surface; the movable door (43) is arc-shaped, one straight edge of the movable door (43) is in sliding pivot joint with a strip groove (44) formed in the inner wall of the outer roller (40) through a pin shaft (432), a pivot shaft is parallel to the axis of the outer roller (40), a push block (431) is arranged on the inner wall of the movable door (43), and the push block (431) is vertically movably arranged along the axial direction of the outer roller (40); the opening and closing adjusting mechanism comprises a sliding rod (76) which is fixedly connected with the pipe shaft (72) relatively, the sliding rod (76) is inserted into the outer roller (40), and the sliding rod (76) and the outer roller (40) form relative movable fit along the axial direction of the outer roller (40); a transmission mechanism is arranged between the sliding rod (76) and the push block (431), and the transmission mechanism is assembled to convert the axial movement of the sliding rod (76) into the vertical movement of the push block (431); the transmission mechanism comprises a driving block (82) arranged on a sliding rod (76) and a driven block (83) arranged in an outer roller (40) in a sliding mode, the sliding direction of the driven block (83) is perpendicular to the axial direction of the outer roller (40), a first wedge driving surface (821) and a first wedge surface (831) which are matched with each other are respectively arranged on the driving block (82) and the driven block (83), a first connecting rod (84) is hinged to the driven block (83), the first connecting rod (84) is hinged to one end of a lever (85), the middle of the lever (85) is hinged to the outer roller (40), the other end of the lever (85) is hinged to one end of a second connecting rod (86), and the other end of the second connecting rod (86) is hinged to a pushing block (431); when the first wedge driving surface (821) pushes the first wedge surface (831), the pushing block (431) can be driven to eject out of the outer roller (40) so as to open the movable door (43); the transmission mechanism further comprises a first elastic unit for driving the movable door (43) to close.

4. The textile machine warp roller according to claim 3, characterized in that: the power distribution mechanism (70) is sequentially provided with a 1 st station and a 2 nd station … … n, and when the power distribution mechanism (70) is positioned at a 2k station, the power distribution mechanism (70) transmits the power output by the driving element to the k inner roller (50) and the outer roller (40) simultaneously so as to drive the k inner roller (50) and the outer roller (40) to rotate synchronously; when the motive power distribution mechanism is at the 2k-1 station, the motive power distribution mechanism (70) transmits the power output by the driving element to the k inner roller (50) to drive the k inner roller (50) to rotate independently; wherein n is a positive integer, and k is a positive integer between 1 and n; the movable door (43) and the opening and closing adjusting mechanism are arranged in one-to-one correspondence with the inner rollers (50), and the opening and closing adjusting mechanisms share the same sliding rod (76).

5. The textile machine warp roller according to claim 4, characterized in that: the second spline (732) and the third key groove (741) are respectively provided with n sections along the axis in a discontinuous mode, when the power distribution mechanism (70) is located at the 2k station, the k section of the second spline (732) is inserted into the second key groove (721), and all sections of the third spline (722) and the third key groove (741) are separated; when the power distribution mechanism (70) is located at the 2k-1 th station, all sections of the second spline (732) are disengaged from the second key groove (721), and the third spline (722) is inserted into the k section of the third key groove (741); n sections of fourth splines (77) are sequentially arranged on the central shaft (71), and a fourth key groove (78) is respectively arranged on the inner wall of each inner roller (50); when the power distribution mechanism (70) is positioned at a 2k station and a 2k-1 station, the kth section of fourth spline (77) is inserted into a fourth keyway (78) in the kth inner roller (50), and the rest sections of fourth splines (77) are separated from the rest sections of fourth keyways (78) in the inner roller (50); when the power distribution mechanism (70) is positioned at the 2k-1 th station, the movable door (43) corresponding to the k-th inner roller (50) is opened, and the movable doors (43) corresponding to the rest inner rollers (50) are closed; all the movable doors (43) are closed when the power distribution mechanism (70) is at the 2 k-th station.

6. The textile machine warp roller according to claim 5, characterized in that: the outer ring surface of the spline housing (73) is also provided with a fifth spline (75), and the inner ring surface of each inner roller (50) is respectively provided with a fifth keyway (79); when the second key grooves (721) are inserted with the fifth splines (75), each fourth spline (77) is inserted with each fifth key groove (79), so that all the inner rollers (50) and the outer rollers (40) synchronously rotate; an avoidance mechanism which can enable the driving block (82) to avoid the driven block (83) when the power distribution mechanism (70) returns from the 2n station to the 1 st station is arranged between the driving block (82) and the driven block (83), the driving block (82) is in sliding connection with a fixed seat (81) fixedly arranged on a sliding rod (76), one end of a sliding path of the driving block (82) is provided with a limit block (811), the avoidance mechanism comprises a second elastic unit (812) arranged between the driving block (82) and the fixed seat (81), and the second elastic unit (812) is assembled to enable the driving block (82) to be abutted against the limit block (811) due to elasticity; still be equipped with second wedge face (822) on drive piece (82), be equipped with third wedge face (832) on driven piece (83), when power distribution mechanism (70) return to the 1 st station from the 2n station, third wedge face (832) crowded second wedge face (822) of pushing away makes drive piece (82) can slide in order to avoid to the direction of keeping away from stopper (811) driven piece (83).

7. The textile machine warp roller according to claim 1, characterized in that: be equipped with link gear between protection machanism and the second baffle (42) that expands, link gear is assembled and to be can along with second baffle (42) and the gradual increase of silk thread winding diameter between the protection machanism that expands and drive each expansion plate (61) along outer roller (40) radial synchronous outwards expansion, makes the inner of each expansion plate (61) all the time with the silk thread material between second baffle (42) and the protection machanism that expands roll surface parallel and level.

8. The textile machine warp roller according to claim 7, characterized in that: each expansion plate (61) is in sliding connection with the annular support (63) along the radial direction of the outer roller (40), the linkage mechanism comprises a rotary disc (67) which is rotatably arranged on the annular support (63), the rotary center of the rotary disc (67) is positioned on the axis of the outer roller (40), the expansion plate (61) is provided with a pin (611), the rotary disc (67) is provided with arc-shaped holes (671) which are in one-to-one correspondence with the pin (611) of each expansion plate (61), each arc-shaped hole (671) is gradually far away from the central line of the rotary disc (67) from one end to the other end, and each pin (611) is in sliding fit with each arc-shaped hole (671); the linkage mechanism further comprises a line pressing roller (62), the axis of the line pressing roller (62) is parallel to the axis of the outer roller (40), the line pressing roller (62) is movably arranged along the vertical direction of the axis of the outer roller (40), the roller surface of the line pressing roller (62) is abutted against the roller surface of the outer roller (40) under a normal state, and the line pressing roller (62) can be gradually pushed away in the direction away from the outer roller (40) along with the increase of the winding diameter of the silk threads on the outer roller (40); a transmission component is arranged between the wire pressing roller (62) and the rotary disc (67), and the transmission component is assembled to drive the rotary disc (67) to rotate when the wire pressing roller (62) moves in the direction away from the outer roller (40), so that the rotary disc (67) drives each expansion plate (61) to expand outwards.

9. The textile machine warp roller according to claim 8, characterized in that: the ring-shaped support (63) is fixed on a sliding frame (66), the sliding frame (66) is arranged beside the outer roller (40) in a sliding mode along the axis direction of the outer roller (40), the transmission member comprises a first lever (64) hinged with the sliding frame (66), the line pressing roller (62) is rotatably connected with one end of the first lever (64), the other end of the first lever (64) is in sliding pin joint with a first kidney-shaped hole formed in one end of a second lever (65), a second kidney-shaped hole is formed in the other end of the second lever (65), and the second kidney-shaped hole is in sliding pin joint with a shifting pin (672) fixedly arranged on a rotating disc (67); the second lever (65) is articulated to the carriage (66).

10. The textile machine warp roller according to claim 9, characterized in that: the annular support (63) is provided with a plurality of radial sliding grooves (631) at intervals along the circumferential direction, the telescopic plate (61) is provided with T-shaped sliding blocks (612), and the T-shaped sliding blocks (612) are in sliding connection with the radial sliding grooves (631); the sliding frame (66) is arranged on at least two polished rods (68) parallel to the outer roller (40) in a sliding mode, a first locking mechanism is arranged between the sliding frame (66) and the polished rods (68), and the first locking mechanism is assembled to be capable of locking the sliding frame (66) at any position of the polished rods (68); the first locking mechanism comprises a sliding and arranged first sliding sleeve, the first sliding sleeve is in sliding fit with the polished rod (68), a first threaded hole is formed in the first sliding sleeve, and a first locking bolt is arranged in the first threaded hole; a second locking mechanism is arranged between the second baffle plate (42) and the outer roller (40), and the second locking mechanism is assembled to be capable of locking the second baffle plate (42) at any position in the axial direction of the outer roller (40); the second locking mechanism comprises a second sliding sleeve fixedly connected with a second baffle (42), the second sliding sleeve is in sliding fit with the roller surface of the outer roller (40), a second threaded hole is formed in the second sliding sleeve, and a second locking bolt is arranged in the second threaded hole.