CN210030994U

CN210030994U - Drawing frame with single uniform strands

Info

Publication number: CN210030994U
Application number: CN201920417910.8U
Authority: CN
Inventors: 顾金华
Original assignee: Changzhou Hongda Intelligent Equipment Industry Development Research Institute Co Ltd
Current assignee: Changzhou Hongda Intelligent Equipment Industry Development Research Institute Co Ltd
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2020-02-07
Anticipated expiration: 2029-03-29

Abstract

The utility model discloses a must strip is evened drawing frame alone, including must strip collector and cotton feeding roller, be equipped with a plurality of auto-leveling device at the must strip import side of must strip collector, every auto-leveling device carries out the leveling to a must strip, and a plurality of must strips are through a plurality of auto-leveling device respectively leveling after-treatment, through must strip collector collect the back feeding cotton feeding roller. The auto-leveling device comprises a frame, a strip entering detection mechanism, a back roller leveling mechanism, a front roller leveling mechanism and an electric controller; the strip feeding detection mechanism detects parameters of the single fiber strips; the back roller leveling mechanism comprises an upper back roller, a lower back roller, a back roller servo motor and a speed sensor, the front roller leveling mechanism comprises an upper front roller, a lower front roller, a front roller servo motor and a speed sensor, and the self-leveling device further comprises an upper roller pressure and gauge automatic adjusting device. The utility model discloses the even precision is high, can guarantee single fibre integrality, and even fast, work efficiency is high.

Description

Drawing frame with single uniform strands

Technical Field

The utility model relates to a drawing frame of textile industry belongs to spinning machine technical field.

Background

Drawing is an important process of spinning and plays a decisive role in improving and improving spinning quality. The traditional drawing frame comprises a strand collector and a cotton feeding roller, wherein a plurality of strands are collected by the strand collector and then fed into the cotton feeding roller, the cotton feeding roller sends the collected bunched strands into a drafting zone, and the bunched strands are homogenized by utilizing the interaction of the roller and a leather roller in the drafting zone. However, such a conventional drawing frame has several disadvantages in the operation process: (1) because the cluster strands are thick, the strands are uniform and inconsistent inside and outside in the leveling process, the leveling precision is low, and the leveling effect is poor; (2) because the strand bunches are thick, the adjustment force is large when the strand bunches are even, the fiber damage of the strand bunches is large, the fiber is easy to break, and the integrity of the fiber is damaged; (3) because the strand bundle is thick, the speed is slow when the strand bundle is even and orderly, and the working efficiency is low.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide an even precision is high, and even effectual, adjustment power is little when even, can guarantee single fibrous integrality, and even fast, the high whisker of work efficiency is even drawing frame alone.

For solving the technical problem, the utility model discloses a such whisker strips is evened up drawing frame alone, including whisker strips collector and cotton feeding roller, a plurality of whisker strips process whisker strips collector collects the back feeding cotton feeding roller the whisker strips import side of whisker strips collector is equipped with a plurality of auto-leveling device, and every auto-leveling device carries out the evened up to a whisker strip, a plurality of whisker strips pass through after a plurality of auto-leveling device evened up respectively, the process whisker strips collector collects the back feeding cotton feeding roller.

As a preferred embodiment of the present invention, the auto-leveling device comprises a frame, and a sliver feeding detection mechanism, a back roller leveling mechanism, a front roller leveling mechanism and an electric controller sequentially arranged along the running direction of a single sliver; the strip entering detection mechanism detects the parameters of the single fiber strips; the rear roller leveling mechanism comprises an upper rear roller, a lower rear roller, a rear roller servo motor and a rear roller speed sensor, wherein the upper rear roller and the lower rear roller are oppositely arranged up and down, the rear roller servo motor drives the lower rear roller to rotate, the rear roller speed sensor is arranged on the lower rear roller, the upper rear roller is abutted against the lower rear roller and is movably arranged on the rack up and down, and the lower rear roller is rotatably arranged on the rack; the front roller leveling mechanism comprises an upper front roller, a lower front roller, a front roller servo motor and a front roller speed sensor, wherein the upper front roller and the lower front roller are opposite up and down; the lower back roller and the lower front roller are parallel to each other and arranged at intervals, the auto-leveling device further comprises an upper roller pressure automatic adjusting device which is used for pressing the upper back roller and the upper front roller downwards and can automatically adjust the pressure value, and an upper roller gauge automatic adjusting device which is used for automatically adjusting the distance between the upper back roller and the upper front roller, wherein the strip entering detection mechanism, the back roller servo motor, the back roller speed sensor, the front roller servo motor, the front roller speed sensor, the upper roller pressure automatic adjusting device and the upper roller gauge automatic adjusting device are respectively electrically connected with the electric controller.

As a preferred embodiment of the present invention, the auto-leveling device further comprises a strip-discharging detection mechanism disposed at the front side of the front roller leveling mechanism, wherein the strip-discharging detection mechanism detects parameters of output strands processed by the rear roller leveling mechanism and the front roller leveling mechanism; the strip inlet and outlet detection mechanism comprises a cotton guide, a supporting plate, a movable block and a force sensor; the cotton guide device is characterized in that a beard strip channel is arranged at the bottom of the cotton guide device, the supporting plate is fixedly connected with the rack, the cotton guide device is fixedly installed above the supporting plate, a through hole is formed in the supporting plate, the through hole and the movable block are located below the beard strip channel, the force sensor is fixedly connected with the rack and is arranged below the movable block, an induction head of the force sensor abuts against the movable block, and the force sensor is electrically connected with the electric controller.

As a preferred embodiment of the present invention, the automatic upper roller pressure adjusting device includes a pressure lever, a spring, a support and a pressurizing mechanism, the upper end of the pressure lever and the spring are disposed in the support, the lower end of the pressure lever extends out of the support and abuts against the spindle nose of the upper rear roller or the spindle nose of the upper front roller, the lower end of the support is fixedly mounted with a guide plate, the spindle nose of the upper rear roller or the spindle nose of the upper front roller is slidably connected to the guide plate in the vertical direction, the support is fixedly mounted on the frame or slidably mounted on the frame in the horizontal direction, and the pressurizing mechanism includes a push rod, a pressure sensor and a driving mechanism; the lower end of the push rod and the pressure sensor are arranged in the support, the pressure sensor is positioned between the push rod and the spring, or the pressure sensor is positioned between the pressure rod and the spring, the drive mechanism drives the push rod to do linear motion in the support, and the drive mechanism and the pressure sensor are both electrically connected with the electric controller.

As a preferred embodiment of the present invention, the driving mechanism includes a first motor and a first lead screw nut linear motion mechanism of the vertical setting of first motor drive, first motor fixed mounting is on the roller support, the roller support with support fixed connection be fixed with a push pedal on the first nut in the first lead screw nut linear motion mechanism, the upper end of push rod with push pedal fixed connection, first motor is connected with the electric controller electricity.

As a preferred embodiment of the utility model, the automatic adjusting device of top roller gauge includes sideslip board and drive sideslip actuating mechanism that sideslip motion was made to the sideslip board, the sideslip board with support fixed connection, sideslip actuating mechanism with the electric controller electricity is connected.

As a preferred embodiment of the present invention, the traverse driving mechanism includes a second motor and a second screw nut linear motion mechanism disposed at the driving level of the second motor, the second screw nut linear motion mechanism includes a second screw rod and a second nut mounted on the second screw rod, the traverse plate is fixedly connected to the second nut, the second motor is fixedly mounted on the frame, and the second motor is electrically connected to the electric controller.

As an optimal implementation mode the rear side of going into strip detection mechanism still is equipped with the conducting bar frame, the conducting bar frame includes the roller set that two pairs at least intervals set up, and every pair roller set is by the conducting bar roller with be located the conducting bar roller top and rather than the compression roller that supports and lean on and constitute, the conducting bar roller is installed in the frame and is rotated by third motor drive with rotating, and single must the strip is followed pass through between conducting bar roller and the compression roller single must the strip department between the roller set is equipped with and is used for detecting the tensile tension detection mechanism of must the strip, third motor, tension detection mechanism all with the electric controller electricity is connected.

As a preferred embodiment of the present invention, the tension detecting mechanism includes an infrared transmitter and an infrared receiver arranged in the horizontal direction, the infrared transmitter and the infrared receiver are respectively installed at two sides of a single fiber strip, and the infrared transmitter and the infrared receiver are electrically connected to the electric controller.

As a preferred embodiment of the present invention, the electric controller is a DDC digital controller or an ARM embedded industrial controller or an industrial personal computer or a PLC programmable controller with a human-machine interface.

After the technical scheme is adopted, the utility model discloses following beneficial effect has:

the utility model adopts an auto-leveling device to individually level each beard strip at the inlet side of the beard strip collector, and the diameter of each beard strip is small, so that the inside and outside leveling of the beard strip can be ensured to be consistent when leveling, the leveling precision is high, the leveling effect is good, the leveling strength is low, the needed adjusting force is small when leveling, no damage is caused to the fibers of the beard strip, and the integrity of the fibers of the single fiber is ensured; in addition, the single strand has small diameter and is easy to be homogenized, so the homogenizing speed is high, and the working efficiency is greatly improved.

The utility model discloses an independent full servo auto-leveling device, before beard strip feeding give cotton roller, realized beard strip auto-leveling function earlier, saved the cost of reforming transform in a large number to traditional drawing frame.

The utility model discloses do not change the original structure of traditional drawing frame, also do not destroy the quality precision and original technology of traditional drawing frame, ensure the reliability and the stability of traditional drawing frame, do not influence the maintenance of traditional drawing frame.

The utility model discloses an it is fast to go into strip, play strip detection mechanism response speed, detects the precision height, adopts the signal of telecommunication that force transducer obtained, and the input electric controller carries out data processing, conveniently realizes the quick and automation of even process.

The utility model discloses a roller pressure, gauge automatic adjustment are gone up in automatically controlled digitization, need not to shut down, guarantee must the strip not produce and shut down the fault, guarantee the continuity of equipment production.

The utility model discloses an go up roller pressure value, gauge value and can directly read out on the man-machine operation interface, can adjust roller pressure value, gauge value on the real-time supervision, reduce the evenness coefficient of variation value, improve the evenness quality, avoided traditional mode to need adopt specialized tool to measure, complex operation's drawback.

The utility model discloses intelligent degree is high, and is easy and simple to handle, has improved the product percent of pass.

The utility model discloses avoided owing to go into between strip detection mechanism to the conducting bar roller because grip the distance far away, cause the weight irregularity and the evenness irregularity of the extra draft of palpus strip brought and tension draft too big, the too high problem of broken end rate easily, promoted production efficiency greatly, the palpus strip that reduces substantially connects, has further guaranteed the resultant yarn quality.

Drawings

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of the single strand leveling and drawing frame of the present invention.

Fig. 2 is a schematic structural diagram of the auto-leveling device of the present invention.

Fig. 3 is a schematic structural diagram of the strip feeding and discharging detection mechanism of the present invention.

Fig. 4 is a schematic view of a detection state of the strip feeding and discharging detection mechanism of the present invention.

Fig. 5 is a schematic structural view of the automatic adjusting device for pressure of the upper roller and the lower roller of the present invention.

Fig. 6 is a schematic structural view of the middle pressing rod of the present invention.

Fig. 7 is a schematic structural diagram of the middle support of the present invention.

Fig. 8 is a schematic structural diagram of the middle push rod of the present invention.

Fig. 9 is a schematic structural diagram of the middle pressure sensor of the present invention.

Fig. 10 is a schematic front view of the middle guide plate of the present invention.

Fig. 11 is a schematic side view of the middle guide plate of the present invention.

Fig. 12 is a schematic structural view of the automatic adjusting device for the gauge of the upper roller of the present invention.

Fig. 13 is a schematic top view of the automatic adjusting device for the gauge of the upper roller of the present invention.

Fig. 14 is a schematic view of an installation structure of the middle guide bar frame and the tension detecting mechanism of the present invention.

Detailed Description

Referring to fig. 1 to 14, the strand single leveling and drawing frame includes a strand collector 22 and a cotton feeding roller 31, a plurality of strands 8 are collected by the strand collector 22 and fed into the cotton feeding roller 31, a plurality of auto-leveling devices i are provided at a strand inlet side of the strand collector 22, each auto-leveling device i performs leveling treatment on one strand 8, and the plurality of strands 8 are respectively leveled by the auto-leveling devices i, collected by the strand collector 22 and fed into the cotton feeding roller 31.

As a preferred embodiment of the present invention, as shown in fig. 2 to 14, the auto-leveling device i includes a frame 7, and a strip-entering detection mechanism a, a back roller leveling mechanism B, a front roller leveling mechanism C and an electric controller E sequentially arranged along the running direction of a single strand 8; the strip feeding detection mechanism A detects parameters of the single fiber strip 8, wherein the parameters comprise the spinning variety, the spinning number, the fiber length, the linear density, the volume and the like of the single fiber strip 8; the rear roller leveling mechanism B comprises an upper rear roller 1, a lower rear roller 2, a rear roller servo motor 3 and a rear roller speed sensor, wherein the upper rear roller 1 and the lower rear roller 2 are opposite up and down, the rear roller servo motor 3 drives the lower rear roller 2 to rotate, the rear roller speed sensor is arranged on the lower rear roller 2, the upper rear roller 1 is abutted against the lower rear roller 2 and is arranged on the rack 7 in a vertically movable mode, and the lower rear roller 2 is rotationally arranged on the rack 7 through a bearing seat; the front roller leveling mechanism C comprises an upper front roller 4, a lower front roller 5, a front roller servo motor 6 and a front roller speed sensor, wherein the upper front roller 4 and the lower front roller 5 are opposite up and down, the front roller servo motor 6 drives the lower front roller 5 to rotate, the front roller speed sensor is arranged on the lower front roller 5, the upper front roller 4 is abutted against the lower front roller 5 and can be arranged on the rack 7 in a vertically moving mode, and the lower front roller 5 is rotationally arranged on the rack 7 through a bearing seat; back roller 2 is parallel to each other, the interval sets up with lower front roller 5 down, and this auto-leveling device I still includes to last back roller 1, last front roller 4 to exerting pressure downwards and pressure value can automatic adjustment's last roller pressure automatic regulating apparatus to and go up back roller 1 and last front roller 4 between the distance carry out automatic adjustment's last roller gauge automatic regulating apparatus, go into strip detection mechanism A, back roller servo motor 3, back roller speed sensor, preceding roller servo motor 6, preceding roller speed sensor, go up roller pressure automatic regulating apparatus and last roller gauge automatic regulating apparatus respectively with electric controller E electricity is connected, not in the figure back roller speed sensor and preceding roller speed sensor. In the present invention, the frame 7 may also be a frame of a drawing frame.

In the present invention, the electric controller E is preferably a DDC digital controller or an ARM embedded industrial controller or an industrial personal computer or a PLC programmable controller having a human-machine interface 27, and of course, other types of controllers may be adopted.

As a preferred embodiment of the present invention, as shown in fig. 2, 3 and 4, the auto-leveling device i further includes a strip-discharging detection mechanism D disposed in front of the front roller leveling mechanism C, the strip-discharging detection mechanism D detects parameters of output strands processed by the rear roller leveling mechanism B and the front roller leveling mechanism C, and the parameters include weight unevenness, evenness of the output strands, and the like; the strip inlet and outlet detection mechanisms A and D comprise cotton guides 9, a supporting plate 10, a movable block 11 and a force sensor 12; the cotton guide 9 is provided with a strand channel 9-1 at the bottom, the support plate 10 is fixedly connected with the frame 7 through bolts or welding, the cotton guide 9 is fixedly arranged above the support plate 10, in the utility model, the cotton guide 9 can be fixedly connected with the support plate 10 through connecting pieces such as angle iron and the like and is arranged above the support plate 10, the angle iron is not shown in the figure, and the cotton guide 9 can also be fixedly arranged on the frame 7; the supporting plate 10 is provided with a through hole 10a, the through hole 10a and the movable block 11 are located below the beard strip channel 9-1, the movable block 11 preferably can pass through the through hole 10a, the movable block 11 is not in contact with the supporting plate 10, the force sensor 12 is fixedly connected with the rack 7 through a bolt, the force sensor 12 is arranged below the movable block 11, an induction head 12a of the force sensor 12 abuts against the movable block 11, and the force sensor 12 is electrically connected with the electric controller E. When the cotton guide device works, when a single beard strip 8 passes through a beard strip channel 9-1 of the cotton guide device 9, the single beard strip 8 is tightened by the cotton guide device 9, the single beard strip 8 is gathered in the beard strip channel 9-1, the movable block 11 is extruded by the thickness of the single beard strip 8, the pressure is transmitted to the force sensor 12 by the up-and-down movement of the movable block 11, and the force sensor 12 converts a force signal into an electric signal and transmits the electric signal to the electric controller E.

The utility model discloses in, go into the strip, go out strip detection mechanism A, D also can adopt other structures, for example adopt leading cotton ware, bearing plate and the force transducer who arranges in proper order from top to bottom, bearing plate and 7 sliding connection in the frame, force transducer's inductive head offsets with the bearing plate, and not shown in the figure.

As a preferred embodiment of the present invention, as shown in fig. 5 to 11, the upper roller pressure automatic adjusting device includes a pressure lever 13, a spring 14, a support 15 and a pressure mechanism 16, the support 15 may be a rectangular support with a through hole 15a at the center, or a cylindrical support with a through hole 15a at the center, or may be not shown in other shapes, the upper end of the pressure lever 13 and the spring 14 are disposed in the support 15, the lower end of the pressure lever 13 extends out of the support 15 to abut against the spindle head 1a of the upper rear roller 1 or the spindle head 4a of the upper front roller 4, a guide plate 17 is fixedly mounted at the lower end of the support 15, the spindle head 1a of the upper rear roller 1 or the spindle head 4a of the upper front roller 4 is slidably connected with the guide plate 17 in the vertical direction, in the present invention, the guide plate 17 is preferably in an angle iron shape, the lower end of the support 15 is fixedly connected with a bottom plate of a guide plate 17 through a screw, a through hole 17a for the compression bar 13 to pass through is formed in the bottom plate of the guide plate 17, a rectangular hole 17b is formed in a side plate of the guide plate 17, and a shaft head 1a of the upper rear roller 1 or a shaft head 4a of the upper front roller 4 is arranged in the rectangular hole 17b and is in sliding connection with the rectangular hole 17b in the vertical direction; the support 15 is fixedly installed on the frame 7 through bolts or welding or is installed on the frame 7 in a slidable manner in the horizontal direction through a conventional sliding block chute or sliding block guide rail mechanism, in the utility model, when the support 15 of the upper rear roller 1 is fixedly installed on the frame 7, the support 15 of the upper front roller 4 is installed on the frame 7 in a slidable manner in the horizontal direction, and vice versa, of course, the support 15 of the upper rear roller 1 and the upper front roller 4 can also be installed on the frame 7 in a slidable manner in the horizontal direction at the same time, and the pressurizing mechanism 16 comprises a push rod 16-1, a pressure sensor 16-2 and a driving mechanism; the lower end of the push rod 16-1 and the pressure sensor 16-2 are arranged in the support 15, the pressure sensor 16-2 is positioned between the push rod 16-1 and the spring 14, or the pressure sensor 16-2 is positioned between the pressure rod 13 and the spring 14, the drive mechanism drives the push rod 16-1 to do linear motion in the support 15, and the drive mechanism and the pressure sensor 16-2 are both electrically connected with the electric controller E.

In the present invention, as shown in fig. 5, the driving mechanism preferably includes a first motor 16-3 and a first lead screw nut linear motion mechanism vertically disposed driven by the first motor 16-3, the first motor 16-3 is fixedly arranged on the roller bracket 18 through a mounting plate 18a, the roller bracket 18 is fixedly connected with the support 15 through bolts or welding, the first lead screw nut linear motion mechanism comprises a first lead screw 16-6 and a first nut 16-4, when the roller bracket works, the first lead screw 16-6 is driven by a first motor 16-3 through a speed reducer to rotate, a push plate 16-5 is fixed on the first nut 16-4 of the first lead screw nut linear motion mechanism through welding or other methods, the upper end of the push rod 16-1 is fixedly connected with the push plate 16-5 through a bolt, and the first motor 16-3 is electrically connected with the electric controller E. When the device works, the first motor 16-3 is started by the electric controller E to drive the first screw rod 16-6 to rotate, so that the first nut 16-4 and the push plate 16-5 do linear motion, the push rod 16-1 and the pressure sensor 16-2 are pushed to compress or release the spring 14, the elastic force generated by the spring 14 is added to the spindle nose 1a of the upper rear roller 1 or the spindle nose 4a of the upper front roller 4 through the press rod 13, so that the pressure of the upper rear roller 1 and the upper front roller 4 is adjusted, the compression amount of the spring 14 is in direct proportion to the elastic force, the elastic force is converted into an electric signal by the pressure sensor 16-2 and is transmitted to the electric controller E, and the electric controller E displays the pressure values of the upper rear roller 1 and the upper front roller 4 on the operation interface 27.

As a preferred embodiment of the present invention, as shown in fig. 12 and 13, the automatic upper roller gauge adjusting device includes a traverse plate 19 and a driving mechanism for driving the traverse plate 19 to perform a traverse motion, the traverse plate 19 is fixedly connected to the support 15 by a bolt or a welding, and the traverse driving mechanism is electrically connected to the electric controller E.

In the utility model, as shown in fig. 13, the traverse driving mechanism preferably includes a second motor 20 and a second screw nut linear motion mechanism horizontally arranged driven by the second motor 20, the second screw nut linear motion mechanism includes a second screw 21-1 and a second nut 21-2 installed on the second screw 21-1, in operation, the second screw 21-1 is driven by the second motor 20 via a speed reducer to rotate, the traverse board 19 is fixedly connected with the second nut 21-2 by welding or other methods, the second motor 20 is fixedly installed on the frame 7, and the second motor 20 is electrically connected with the electric controller E. When the device works, the second motor 20 is started by the electric controller E to drive the second screw rod 21-1 to rotate, so that the second nut 21-2 and the transverse moving plate 19 perform horizontal transverse moving movement to push the upper back roller 1 and/or the upper front roller 4 to transversely move, and the electric controller E displays the gauge value between the upper back roller 1 and the upper front roller 4 on the operation interface 27. In the present invention, it is preferable that the displacement sensor 28 is installed on the roller holder 18 or the frame 7, and the displacement sensor 28 is electrically connected to the electric controller E, so that the gauge value between the upper back roller 1 and the upper front roller 4 can be directly obtained, and of course, the displacement sensor is not installed, and the electric controller E obtains the gauge value by calculation.

The utility model discloses in, sideslip actuating mechanism preferably still includes horizontal guide 29 and slider 30, the preferred fixed mounting of horizontal guide 29 is in frame 7, slider 30 fixed mounting be in on the sideslip board 19, slider 30 and horizontal guide 29 sliding connection.

As a preferred embodiment of the present invention, as shown in fig. 2 and 14, the rear side of the strip-entering detection mechanism a is further provided with a guide strip frame, the guide strip frame includes at least two pairs of roller sets arranged at intervals, each pair of roller sets is composed of a guide strip roller 23 and a compression roller 24 located above the guide strip roller 23 and abutted against the guide strip roller, the guide strip roller 23 is rotatably installed on the frame 7 and rotated by the driving of a third motor, a single whisker strip 8 is followed through the guide strip roller 23 and the compression roller 24, a single whisker strip 8 between the roller sets is provided with a tension detection mechanism for detecting the whisker strip tension, and the third motor and the tension detection mechanism are all electrically connected with the electric controller E.

In the present invention, as shown in fig. 14, the tension detecting mechanism preferably includes an infrared transmitter 25 and an infrared receiver 26 arranged in the horizontal direction, the infrared transmitter 25 and the infrared receiver 26 are respectively installed at two sides of a single fiber strip 8, and the infrared transmitter 25 and the infrared receiver 26 are both electrically connected to the electric controller E. When the tension of the single strand 8 is normal, the single strand 8 continuously passes through the area between the optical paths of the infrared emitter 25 and the infrared receiver 26, the signal sent by the infrared emitter 25 is blocked by the single strand 8, the infrared receiver 26 cannot receive the signal, only when the tension of the single strand 8 is increased and the vertical arc of the single strand 8 is reduced, the infrared receiver 26 receives the signal sent by the infrared emitter 25 because the signal is not blocked by the single strand 8, so that the tension of the single strand 8 is detected and judged, at this time, the electric controller E accelerates the rotating speed of the guide bar roller 23 through the third motor, and the normal vertical arc is maintained, namely the normal tension is maintained.

The utility model discloses a method that autoleveller I carried out autoleveller to single palpus strip 8, including following step: (1) inputting preset parameters of the single fiber strip 8 to be homogenized in the operation interface 27 of the electric controller E, wherein the parameters comprise the spinning variety, the spinning number, the fiber length, the linear density, the volume and the like of the single fiber strip 8, and the electric controller E automatically adjusts the pressurizing pressure values of the upper back roller 1 and the upper front roller 4 and the spacing distance between the upper back roller 1 and the upper front roller 4 according to the preset parameters of the single fiber strip 8; in the step, an electric controller E automatically adjusts the pressurizing pressure values of the upper back roller 1 and the upper front roller 4 according to the linear density or volume parameter of the single strand 8, wherein the pressurizing pressure values are in direct proportion to the linear density or the volume; the electric controller E automatically adjusts the spacing distance between the upper back roller 1 and the upper front roller 4 according to the fiber length parameter of the single fiber strand 8, so that the spacing distance between the upper back roller 1 and the upper front roller 4 is slightly larger than or equal to the fiber length; (2) the electric controller E controls the strip feeding detection mechanism A to carry out fixed-length linear density and/or volume detection on the single fiber strip 8 and transmits detection data to the electric controller E, the electric controller E compares the detected fixed-length linear density and/or volume data of the single fiber strip 8 with the linear density and/or volume data preset by the process and calculates the difference delta between the fixed-length linear density and the volume data, if the difference delta is larger than zero, the electric controller E controls the rotation speed ratio between the lower roller 2 and the lower front roller 5 to be increased by controlling the rotation speeds of the rear roller servo motor 3 and the front roller servo motor 6 when the single fiber strip 8 corresponding to the detection data reaches the position between the rear roller leveling mechanism B and the front roller leveling mechanism C; if the difference value delta is smaller than zero, when the single fiber strip 8 corresponding to the detection data reaches the position between the back roller leveling mechanism B and the front roller leveling mechanism C, the electric controller E controls the rotation speed of the back roller servo motor 3 and the front roller servo motor 6 to reduce the rotation speed ratio between the lower back roller 2 and the lower front roller 5, and the single fiber strip 8 is leveled.

The utility model discloses a plurality of palpus strips 8 pass through after a plurality of autoleveling device I is the leveling respectively, process palpus strip collector 22 collects the back feeding give cotton roller 31, give cotton roller 31 will collect the even palpus strip of gathering a bundle after and send into draft zone F back output.

Through probation, the utility model discloses even precision is high, and even effectual can guarantee single fibrous integrality, and even fast, work efficiency is high, has gained good effect.

Claims

1. A strand single leveling drawing frame comprises a strand collector (22) and a cotton feeding roller (31), wherein a plurality of strands (8) are collected by the strand collector (22) and then fed into the cotton feeding roller (31), and the strand single leveling drawing frame is characterized in that: the cotton feeding device is characterized in that a plurality of auto-leveling devices (I) are arranged on the inlet side of the strands of the strand collector (22), each auto-leveling device (I) performs leveling treatment on one strand (8), and the plurality of strands (8) are respectively leveled by the auto-leveling devices (I) and then collected by the strand collector (22) to be fed into the cotton feeding roller (31).

2. The sliver stand recited in claim 1 wherein: the autoleveller (I) comprises a frame (7), and a strip feeding detection mechanism (A), a back roller leveling mechanism (B), a front roller leveling mechanism (C) and an electric controller (E) which are sequentially arranged along the running direction of a single strand (8); the strip entering detection mechanism (A) detects the parameters of the single strand of beard (8); the back roller leveling mechanism (B) comprises an upper back roller (1) and a lower back roller (2) which are opposite up and down, a back roller servo motor (3) for driving the lower back roller (2) to rotate and a back roller speed sensor arranged on the lower back roller (2), the upper back roller (1) is abutted against the lower back roller (2) and is arranged on the rack (7) in a vertically movable manner, and the lower back roller (2) is rotationally arranged on the rack (7); the front roller leveling mechanism (C) comprises an upper front roller (4) and a lower front roller (5) which are opposite up and down, a front roller servo motor (6) for driving the lower front roller (5) to rotate and a front roller speed sensor arranged on the lower front roller (5), the upper front roller (4) is abutted against the lower front roller (5) and is arranged on the rack (7) in a vertically movable manner, and the lower front roller (5) is rotationally arranged on the rack (7); back roller (2) and lower front roller (5) are parallel to each other, the interval sets up down, but this auto-leveling device (I) still includes to last back roller (1), last front roller (4) to exerting pressure and pressure value automatic adjustment's last roller pressure automatic regulating apparatus down to and carry out automatic adjustment's last roller gauge automatic regulating apparatus to last back roller (1) and last distance between front roller (4), go into strip detection mechanism (A), back roller servo motor (3), back roller speedtransmitter, preceding roller servo motor (6), preceding roller speedtransmitter, go up roller pressure automatic regulating apparatus and last roller gauge automatic regulating apparatus respectively with electric controller (E) electricity is connected.

3. The sliver stand recited in claim 2 wherein: the auto-leveling device (I) also comprises a strip discharging detection mechanism (D) arranged at the front side of the front roller leveling mechanism (C), and the strip discharging detection mechanism (D) detects parameters of output beard strips processed by the rear roller leveling mechanism (B) and the front roller leveling mechanism (C); the strip inlet and outlet detection mechanisms (A, D) comprise cotton guides (9), supporting plates (10), movable blocks (11) and force sensors (12); the cotton guide device is characterized in that a beard strip channel (9-1) is arranged at the bottom of the cotton guide device (9), the supporting plate (10) is fixedly connected with the rack (7), the cotton guide device (9) is fixedly installed above the supporting plate (10), a through hole (10 a) is formed in the supporting plate (10), the through hole (10 a) and the movable block (11) are located below the beard strip channel (9-1), the force sensor (12) is fixedly connected with the rack (7), the force sensor (12) is arranged below the movable block (11), an induction head (12 a) of the force sensor (12) abuts against the movable block (11), and the force sensor (12) is electrically connected with the electric controller (E).

4. The sliver stand recited in claim 2 wherein: the automatic upper roller pressure adjusting device comprises a pressure lever (13), a spring (14), a support (15) and a pressurizing mechanism (16), the upper end of the pressure lever (13) and the spring (14) are arranged in the support (15), the lower end of the pressure lever (13) extends out of the support (15) and is propped against the shaft head (1 a) of the upper back roller (1) or the shaft head (4 a) of the upper front roller (4), a guide plate (17) is fixedly arranged at the lower end of the support (15), a shaft head (1 a) of the upper back roller (1) or a shaft head (4 a) of the upper front roller (4) is in sliding connection with the guide plate (17) in the vertical direction, the support (15) is fixedly arranged on the frame (7) or is arranged on the frame (7) in a sliding way in the horizontal direction, the pressurizing mechanism (16) comprises a push rod (16-1), a pressure sensor (16-2) and a driving mechanism; the lower end of the push rod (16-1) and the pressure sensor (16-2) are arranged in the support (15), the pressure sensor (16-2) is positioned between the push rod (16-1) and the spring (14), or the pressure sensor (16-2) is positioned between the pressure rod (13) and the spring (14), the driving mechanism drives the push rod (16-1) to do linear motion in the support (15), and the driving mechanism and the pressure sensor (16-2) are both electrically connected with the electric controller (E).

5. The sliver stand recited in claim 4 wherein: the driving mechanism comprises a first motor (16-3) and a first lead screw nut linear motion mechanism which is driven by the first motor (16-3) to be vertically arranged, the first motor (16-3) is fixedly installed on a roller support (18), the roller support (18) is fixedly connected with the support (15), a push plate (16-5) is fixed on a first nut (16-4) in the first lead screw nut linear motion mechanism, the upper end of the push rod (16-1) is fixedly connected with the push plate (16-5), and the first motor (16-3) is electrically connected with an electric controller (E).

6. The sliver stand recited in claim 4 wherein: the automatic upper roller gauge adjusting device comprises a transverse moving plate (19) and a transverse moving driving mechanism for driving the transverse moving plate (19) to move transversely, the transverse moving plate (19) is fixedly connected with the support (15), and the transverse moving driving mechanism is electrically connected with the electric controller (E).

7. The sliver stand recited in claim 6 wherein: the transverse moving driving mechanism comprises a second motor (20) and a second lead screw nut linear motion mechanism which is driven by the second motor (20) and horizontally arranged, the second lead screw nut linear motion mechanism comprises a second lead screw (21-1) and a second nut (21-2) installed on the second lead screw (21-1), the transverse moving plate (19) is fixedly connected with the second nut (21-2), the second motor (20) is fixedly installed on the rack (7), and the second motor (20) is electrically connected with the electric controller (E).

8. The sliver stand recited in claim 2 wherein: go into the rear side of strip detection mechanism (A) and still be equipped with the conducting bar frame, the conducting bar frame includes the roller set that two pairs at least intervals set up, every pair roller set by conducting bar roller (23) with be located conducting bar roller (23) top and rather than pressing roller (24) of leaning on constitute, conducting bar roller (23) are installed on frame (7) with rotating and are rotated by third motor drive, and single whisker (8) are followed pass through between conducting bar roller (23) and pressing roller (24) single whisker (8) department between the roller set is equipped with the tension detection mechanism that is used for detecting whisker tension, third motor, tension detection mechanism all with electric controller (E) electricity is connected.

9. The sliver stand recited in claim 8, wherein: the tension detection mechanism comprises an infrared transmitter (25) and an infrared receiver (26) which are arranged in the horizontal direction, the infrared transmitter (25) and the infrared receiver (26) are respectively installed on two sides of a single strand (8), and the infrared transmitter (25) and the infrared receiver (26) are electrically connected with the electric controller (E).

10. The sliver single leveling draw frame according to any one of claims 2 to 9, wherein: the electric controller (E) is a DDC digital controller with a man-machine operation interface (27), or an ARM embedded industrial controller, or an industrial personal computer or a PLC programmable controller.