CN112875422A - Yarn unwinding and winding device and yarn winding adjustment process - Google Patents

Abstract

The invention discloses a yarn unwinding and winding device and a yarn winding adjustment process, which comprise an unwinding unit and a winding unit, wherein the two sides of the unwinding unit and the winding unit horizontally correspond to each other, yarn wound on a yarn drum is unwound and conducted to the winding unit from the unwinding unit along the horizontal direction to realize winding, the unwinding unit and the winding unit respectively comprise a rack, a driving component arranged on the rack, a creel, wherein the creel is connected with the output end of the driving component, and the unwinding unit further comprises an unwinding roller pivoted on the inner wall of the creel. According to the invention, the tension value of the yarn in the yarn conduction process is monitored in real time by arranging the force sensor, the opening and closing of the valve at the upper water pressure through pipe at the corresponding position of the lead frame are synchronously adjusted, so that the water pump pumps water pressure acting force to the lower pressing plate, the spring at the lower side of the lead frame is matched with the upper lower pressing plate to press down, the numerical value of the force sensor is always kept at a stable value, the slight change of the tension in the yarn winding process is reduced, the yarn winding quality is improved, and the stability of the yarn after being wound into.

Description

Yarn unwinding and winding device and yarn winding adjustment process

Technical Field

The invention relates to the technical field of yarn processing, in particular to a yarn unwinding and winding device and a yarn winding adjusting process.

Background

The yarn is a textile, is a continuous strip which is made of textile fibers, is thin and soft, has certain mechanical properties, can be used in various fabrics, braided fabrics and ropes, and is applied to winding the yarn into a bobbin under most conditions so as to facilitate the conveying and management of the yarn.

The following problems exist in the existing yarn winding operation: the yarn winding mode cannot guarantee the tensioning force in the yarn winding operation, the inside of the wound yarn is easy to be fluffy, the stability of the wound yarn is affected, the yarn is easy to scatter, and the precision of the yarn winding operation is reduced. Most of the solutions are to control the yarn conduction speed and the yarn tension, but although the winding adaptation is realized by keeping the speed stable, the yarn winding tension is continuously and slightly changed, and the quality of the yarn is difficult to be greatly improved.

In order to solve the problems, the scheme is developed accordingly.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a yarn unwinding and winding device and a yarn winding adjustment process, and solves the problems in the background art.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a yarn unwinding and winding device and a yarn winding adjustment process comprise unwinding units and winding units which correspond horizontally at two sides, wherein yarns wound on a bobbin are unwound and transmitted to the winding units along the horizontal direction by the unwinding units to realize winding, the unwinding units and the winding units respectively comprise a rack, a driving component arranged on the rack and a creel, the creel is connected with the output end of the driving component, the unwinding units further comprise unwinding rollers pivoted on the inner wall of the creel, the unwinding rollers are driven to rotate by a motor, the winding units further comprise winding rollers and yarn positioning components, the winding rollers are movably connected to the inner wall of the creel by limiting components and driven to rotate by the motor, the yarn positioning components are used for adjusting the yarn entering position, a yarn guide hook is embedded in the middle part of the outer side of the creel, and a tension adjustment component is arranged above the yarn positioning components, used for adjusting the yarn tension value in the vertical direction in real time.

Preferably, the yarn positioning part comprises a sliding block, a screw rod and a second motor, the second motor is arranged on the outer side of the creel, the output end of the second motor is connected with the screw rod, the screw rod is pivoted on the inner wall of the creel, the sliding block is sleeved on the screw rod in a threaded manner, and the bottom of the sliding block is abutted against supporting plates with two ends connected with the inner wall of the creel, so that the sliding block horizontally moves.

Preferably, still include the stopper, the stopper is located the both ends of backup pad, and its upper end is higher than the lower extreme of slider, and two stoppers carry out manual positioning through bolt spare and fix.

Preferably, the tension adjustment part is including transversely setting firmly water storage frame, water pressure conduction spare, the holding down plate in the creel upside, the water pressure conduction spare is equipped with a plurality ofly to along the equidistant distribution of water storage frame length direction, every water pressure conduction spare all communicates with each other with the water storage frame, and its application of force end links to each other with the holding down plate, the inboard of slider is connected with the lead frame, lead frame and slider swing joint, and its upside offsets with the holding down plate, the opening that supplies the yarn to wear out is seted up to the lead frame upside, and the top of this opening inner wall is equipped with force sensor.

Preferably, the water pressure conduction piece comprises a transfer frame, a piston head, a first spring and a water pressure through pipe, the upper end of the transfer frame is connected with the water storage frame, the piston head is arranged on the lower side of the transfer frame, the first spring connects the piston head with the top of the inner wall of the transfer frame, the water pressure through pipe is communicated into the transfer frame, and the water pressure through pipe is located above the piston head in a normal state.

Preferably, a vertical groove is formed in the inner side of the sliding block, and the lower side of the lead frame is connected to the bottom of the inner wall of the vertical groove through a spring.

Preferably, the driving part comprises a motor, a belt and driving wheels, the motor is arranged on the rack, the output end of the motor is connected with the driving wheels, meanwhile, the upper side of the rack is pivoted with a driving wheel through a driving shaft, the two driving wheels are in driving connection through the belt, and the driving shaft is connected with the center position of the inner side of the creel.

Preferably, the limiting part comprises a limiting head connected with the output end of the motor, a connector pivoted on one side of the creel and a disc sleeve head, the cross section of the disc sleeve head is T-shaped, the size of the disc sleeve head is larger than that of the connector and the disc sleeve head is sleeved on the inner side of the connector, the outer side of the disc sleeve head is connected with the inner wall of the creel through a second spring, one end of the winding roller is inserted into the limiting head, and the other end of the winding roller is sleeved in the disc sleeve head.

A yarn winding adjusting process of a yarn unwinding and winding device specifically comprises the following steps:

s1, starting the motor and the motor I simultaneously during the unwinding process of the unwinding unit part, wherein the motor drives the creel to rotate and the motor drives the unwinding roller to rotate synchronously so as to adjust the unwinding speed and the unwinding direction of the unwinding roller;

s2, a synchronous step S1, wherein the winding unit part simultaneously starts a motor, a first motor and a second motor in the winding process, the motor drives two creels to rotate and the first motor drives the winding roller to rotate synchronously, the second motor drives the screw rod to rotate, the sliding block moves in the horizontal direction under the driving of the screw rod, the motor and the first motor adjust the unwinding speed and the unwinding direction of the winding roller, and the second motor drives the sliding block to adjust the winding position of the yarn and the corresponding yarn tension. Simultaneously adjusting the running speeds of the motor, the first motor and the second motor;

s3, in the yarn conduction process, the force sensor monitors the yarn tension value in the yarn conduction process in real time, if the set tension value is stable, the steps S1 and S2 are continued, when the set tension value is deviated, the opening and closing of the water pressure through pipe above the corresponding position of the lead frame are synchronously adjusted, so that the hydraulic pressure acting force is pumped to the lower pressing plate, the spring on the lower side of the lead frame is matched with the lower pressing plate above the lead frame to be pressed downwards for fine adjustment, and the value of the force sensor is always kept stable.

(III) advantageous effects

After adopting the technical scheme, compared with the prior art, the invention has the following advantages:

1. the invention relates to a yarn unwinding and winding device and a yarn winding adjustment process.

2. The invention relates to a yarn unwinding and winding device and a yarn winding adjustment process, which are characterized in that a force sensor is arranged to monitor the yarn tension value in the yarn conduction process in real time, the opening and closing of a valve at a water pressure through pipe above the corresponding position of a lead frame are synchronously adjusted, so that a water pump pumps water pressure acting force to a lower pressing plate, a spring at the lower side of the lead frame is matched with the lower pressing plate above the lead frame to be pressed downwards for fine adjustment, the numerical value of the force sensor is kept at a stable value all the time, slight change of tension in the continuous winding process of yarn is reduced, the winding quality of the yarn is improved, and the stability of.

3. According to the yarn unwinding and winding device and the yarn winding adjusting process, the disc sleeve head is extruded outwards to be separated from the winding roller, the supporting effect on the winding roller is lost, and the convex rod at the limiting head is pulled outwards, so that the winding roller can be separated from a creel, and the winding roller is convenient to replace.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of a winding unit of the present invention;

FIG. 3 is an enlarged view of a portion of the structure of FIG. 2;

FIG. 4 is a schematic top view of the creel at the winding unit of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 4 at B in accordance with the present invention;

fig. 6 is a front sectional view of the turret structure of the present invention.

In the figure: the yarn guide device comprises a frame 1, a driving part 2, a motor 21, a belt 22, a transmission wheel 23, a creel 3, an unwinding roller 4, a first motor 5, a winding roller 6, a yarn positioning part 7, a sliding block 71, a screw rod 72, a second motor 73, a transmission shaft 8, a yarn guide hook 9, a support plate 10, a limiting block 11, a limiting block 12, a limiting head 121, a connecting head 122, a disk sleeve head 123, a second spring 124, a tension adjusting part 13, a water storage rack 131, a water pressure transmission part 132, a middle rotating rack 1321, a 1322, a piston head 1323, a first spring 1324 water pressure through pipe, a 133 lower pressing plate, a 14 wire guide frame, a 15 through opening, a 16 vertical groove and a 17 convex rod.

Detailed Description

The invention is explained in more detail below with reference to the figures and examples.

As shown in fig. 1-6: a yarn unwinding and winding device and a yarn winding adjustment process comprise unwinding units and winding units, wherein the unwinding units and the winding units horizontally correspond to each other at two sides, yarns wound on a bobbin are unwound and transmitted to the winding units along the horizontal direction through the unwinding units to realize winding, each of the unwinding units and the winding units comprises a rack 1, a driving component 2 arranged on the rack 1 and a creel 3, the creels 3 are connected with the output end of the driving component 2, the unwinding units further comprise unwinding rollers 4 pivoted to the inner walls of the creels 3, and the unwinding rollers 4 are driven to rotate through a motor I5.

The winding unit further comprises a winding roller and a yarn positioning component 7, the winding roller is movably connected to the inner wall of the creel 3 through a limiting component 12 and is driven to rotate through a motor I5, the yarn positioning component 7 is used for adjusting the yarn entering position, and a yarn guide hook 9 is embedded in the middle of the outer side of the creel 3. So that the yarn is led out from the middle of the creel 3 at the unwinding unit and led in from the middle of the creel 3 at the winding unit.

The yarn positioning component 7 comprises a sliding block 71, a screw rod 72 and a second motor 73, the second motor 73 is arranged on the outer side of the creel 3, the output end of the second motor 73 is connected with the screw rod 72, the screw rod 72 is pivoted on the inner wall of the creel 3, the sliding block 71 is sleeved on the screw rod 72 in a threaded manner, and the bottom of the sliding block is abutted against the supporting plate 10 with two ends connected with the inner wall of the creel 3, so that the sliding block 71 horizontally moves.

The yarn position adjusting part 7 further comprises limiting blocks 11, the limiting blocks 11 are arranged at two ends of the supporting plate 10, the upper ends of the limiting blocks 11 are higher than the lower ends of the sliding blocks 71, and the two limiting blocks 11 are manually adjusted and fixed through bolts.

The action of the limiting block is mainly used for limiting the horizontal movement of the sliding block within a certain distance, and the position of the limiting block is adjusted, so that the moving distance of the sliding block is correspondingly changed, and the change of the yarn on the yarn barrel along the longitudinal length of the yarn barrel is reflected.

The driving part 2 comprises a motor 21, a belt 22 and driving wheels 23, the motor 21 is arranged on the stand 1, the output end of the motor 21 is connected with the driving wheels 23, meanwhile, the upper side of the stand 1 is pivoted with the driving wheels 23 through a transmission shaft 8, the two driving wheels 23 are in transmission connection through the belt 22, and the transmission shaft 8 is connected with the center position of the inner side of the creel 3.

Wherein, the unwinding unit part simultaneously starts the motor 21 and the motor one 5 during the unwinding process, the motor 21 drives the creel 3 to rotate and the motor one 5 drives the unwinding roller 4 to rotate synchronously, thereby adjusting the unwinding speed and the unwinding direction of the unwinding roller 4 so as to flexibly adjust the unwinding of the yarn.

In the winding process of the winding unit part, the motor 21, the first motor 5 and the second motor 73 are started simultaneously, the motor 21 drives the creel 3 to rotate and the first motor 5 drives the winding roller to rotate synchronously, the second motor 73 drives the screw rod 72 to rotate, the sliding block 71 is driven by the screw rod 72 to move in the horizontal direction, the motor 21 and the first motor 5 adjust the unwinding speed and the unwinding direction of the winding roller, and the second motor 73 drives the sliding block 71 to adjust the yarn winding position and the corresponding yarn tension. And meanwhile, the running speeds of the motor 21, the first motor 5 and the second motor 73 are adjusted to ensure the winding tension of the yarn in real time, so that the problem of fluffy winding in the yarn winding machine is avoided.

It should be noted that the device of the present embodiment can also implement yarn twisting, mainly by controlling the motor 21 in the winding unit part and the motor 21 in the unwinding unit part to have different rotation speed adjustments, so that the corresponding creels 3 have different rotation speeds, and yarn twisting or no twisting is achieved.

In the actual continuous winding process of the yarn, the continuous slight change of the yarn winding tension still exists, so that the quality of the yarn is difficult to greatly improve, and therefore, a tension adjusting component 13 is further arranged above the yarn positioning component 7 and used for adjusting the yarn tension value in the vertical direction in real time.

The tension adjusting component 13 comprises a plurality of water storage frames 131 transversely and fixedly arranged on the upper side of the creel 3, water pressure conducting pieces 132 and lower pressing plates 133, the water pressure conducting pieces 132 are distributed at equal intervals along the length direction of the water storage frames 131, each water pressure conducting piece 132 is communicated with the water storage frame 131, the force application end of each water pressure conducting piece is connected with the lower pressing plate 133, the inner side of each sliding block 71 is connected with a lead frame 14, the lead frame 14 is movably connected with the sliding block 71, the upper side of each lead frame is abutted against the lower pressing plates 133, a through hole 15 for the yarn to penetrate out is formed in the upper side of each lead frame 14, and a force sensor is arranged at.

As shown in fig. 6, the hydraulic pressure conducting member 132 includes a transfer rack 1321, a piston head 1322, a first spring 1323, and a hydraulic pressure pipe 1324, the upper end of the transfer rack 1321 is connected to the water storage rack 131, the piston head 1322 is disposed at the lower side of the transfer rack 1321, the first spring 1323 connects the piston head 1322 to the top of the inner wall of the transfer rack 1321, the hydraulic pressure pipe 1324 is communicated with the transfer rack 1321, and the hydraulic pressure pipe 1324 is normally located above the piston head 1322.

In the scheme, the water pressure through pipes 1324 realize pumping of water in the water storage rack 131 through a small water pump, and each water pressure through pipe 1324 is provided with a valve for controlling opening and closing of the corresponding water pressure through pipe 1324 in real time.

The slider 71 has a vertical groove 16 formed therein, and the lower side of the lead frame 14 is connected to the bottom of the inner wall of the vertical groove 16 by a spring. So that the lead frame 14 can move in the horizontal direction with the slider 71 and the movement in the vertical direction is finely adjusted by the spring on the lower side and the lower pressing plate 133 on the upper side. Specifically, the spring allows the lead frame 14 to be returned upward, and the lower pressing plate 133 allows the lead frame to be moved downward for adjustment.

It should be noted that the through opening 15 of the lead frame 14 is located at a position relatively lower than the winding roller, so that the yarn can be attached to the upper force sensor to generate an acting force when the yarn passes through the through opening 15.

The lead frame 14 is sized as small as possible so as to avoid being between the two lower press plates 133 at the same time. Of course, it is also possible to position the pressure sensor between two lower pressure plates 133, only by opening a valve on the water pressure pipe 1324 at any one of the corresponding lower pressure plates 133, and pressing down until the pressure sensor is constant.

Through setting up the yarn tension value of force sensor real-time supervision yarn conduction in-process, and produce the feedback value (feed back to control panel PLC), the opening of the corresponding department top water pressure siphunculus 1324 department of synchronous adjustment lead frame 14, make water pump sending water pressure effort to holding down plate 133, the holding down plate 133 of the spring cooperation top of lead frame 14 downside pushes down in order finely tuning, make force sensor's numerical value remain stable value all the time, reduce the yarn and continue the tensile slight change of coiling process, improve the coiling quality of yarn and guarantee its stability after coiling into a section of thick bamboo.

The limiting part 12 comprises a limiting head 121 connected with the output end of the motor I5, a connecting head 122 pivoted on one side of the creel 3 and a disc sleeve head 123, the cross section of the disc sleeve head 123 is T-shaped, the size of the disc sleeve head 123 is larger than that of the connecting head 122 and is sleeved on the inner side of the connecting head 122, the outer side of the disc sleeve head 123 is connected with the inner wall of the creel 3 through a spring II 124, one end of the winding roller 6 is inserted into the limiting head 121, and the other end of the winding roller is sleeved in the disc sleeve head 123.

The winding roller is arranged to be detachable, i.e.: the disc sleeve head 123 is extruded outwards to be separated from the winding roller, the supporting effect on the winding roller is lost, meanwhile, the convex rod 17 at the limiting head 121 (the convex rod 17 with a spring is arranged at the limiting head 121, the end part of the winding roller is provided with a corresponding clamping hole, and the convex rod 17 is inserted into the clamping hole under the action of the spring to fix the winding roller) and is pulled outwards, so that the winding roller can be separated from the creel 3, and the winding roller 6 is convenient to replace.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and the protection scope must be determined by the scope of the claims.

Claims (9)

1. A yarn unwinding and winding device comprises an unwinding unit and a winding unit which are horizontally corresponding to each other on two sides, and yarn wound on a bobbin is unwound from the unwinding unit and conducted to the winding unit along the horizontal direction to realize winding, and is characterized in that: backing-off unit and winding unit all include a frame, locate drive assembly, the creel in the frame, and wherein the creel links to each other with drive assembly's output, backing-off unit still includes the pin joint in the backing-off roller of creel inner wall, and the backing-off roller passes through a motor drive and rotates, winding unit still includes winding roller, yarn positioning component, and the winding roller passes through spacing part swing joint in the creel inner wall to rotate through a motor drive, yarn positioning component is used for adjusting the yarn entering position, a thread guide hook has been inlayed at the middle part in the creel outside, the top of yarn positioning component is equipped with the tension adjustment part for adjust the yarn tension value of vertical direction in real time.

2. A yarn unwinding and winding device according to claim 1, characterized in that: the yarn position adjusting part comprises a sliding block, a screw rod and a second motor, the second motor is arranged on the outer side of the creel, the output end of the second motor is connected with the screw rod, the screw rod is pivoted on the inner wall of the creel, the sliding block is sleeved on the screw rod in a threaded mode, and the bottom of the sliding block is abutted to supporting plates with two ends connected with the inner wall of the creel, so that the sliding block horizontally moves.

3. A yarn unwinding and winding device according to claim 2, characterized in that: the yarn winding device is characterized by further comprising limiting blocks, wherein the limiting blocks are arranged at two ends of the supporting plate, the upper ends of the limiting blocks are higher than the lower ends of the sliding blocks, and the distance between the two limiting blocks is equal to the length of the yarn bobbin.

4. A yarn unwinding and winding device according to claim 2, characterized in that: the tension adjustment part comprises a water storage rack, a water pressure conduction piece and a lower pressing plate, wherein the water storage rack, the water pressure conduction piece and the lower pressing plate are transversely and fixedly arranged on the upper side of the creel, the water pressure conduction piece is provided with a plurality of water storage racks and distributed at equal intervals along the length direction of the water storage racks, each water pressure conduction piece is communicated with the water storage rack, the force application end of each water pressure conduction piece is connected with the lower pressing plate, the inner side of each sliding block is connected with a lead frame, the lead frame is movably connected with the sliding block, the upper side of each lead frame is abutted to the lower pressing plate, the.

5. A yarn unwinding and winding device according to claim 4, characterized in that: the water pressure conduction piece comprises a transfer frame, a piston head, a first spring and a water pressure through pipe, the upper end of the transfer frame is connected with the water storage frame, the piston head is arranged on the lower side of the transfer frame, the first spring connects the piston head with the top of the inner wall of the transfer frame, the water pressure through pipe is communicated into the transfer frame, a valve is arranged on each water pressure through pipe, and the water pressure through pipe is located above the piston head in a normal state.

6. The yarn unwinding and winding device and yarn winding adjustment process according to claim 4, wherein: a vertical groove is formed in the inner side of the sliding block, and the lower side of the lead frame is connected to the bottom of the inner wall of the vertical groove through a spring.

7. A yarn unwinding and winding device according to claim 1, characterized in that: the driving part comprises a motor, a belt and driving wheels, the motor is arranged on the rack, the output end of the motor is connected with the driving wheels, meanwhile, the upper side of the rack is pivoted with a driving wheel through a driving shaft, the two driving wheels are in driving connection through the belt, and the driving shaft is connected with the center position of the inner side of the creel.

8. A yarn unwinding and winding device according to claim 1, characterized in that: the limiting part comprises a limiting head connected with an output end of the motor, a connector pivoted on one side of the creel and a disc sleeve head, the cross section of the disc sleeve head is in a T shape, the size of the disc sleeve head is larger than that of the connector, the disc sleeve head is sleeved on the inner side of the connector, the outer side of the disc sleeve head is connected with the inner wall of the creel through a second spring, one end of the winding roller is inserted into the limiting head, and the other end of the winding roller is sleeved in the disc sleeve head.

9. A yarn winding adjustment process for a yarn unwinding and winding device according to any one of claims 1-8, characterized in that: comprises the following steps

S1, starting the motor and the motor I simultaneously during the unwinding process of the unwinding unit part, wherein the motor drives the creel to rotate and the motor drives the unwinding roller to rotate synchronously so as to adjust the unwinding speed and the unwinding direction of the unwinding roller;

s2, a synchronous step S1, wherein the winding unit part simultaneously starts a motor, a first motor and a second motor in the winding process, the motor drives a creel to rotate and the first motor drives a winding roller to rotate synchronously, the second motor drives a screw rod to rotate, a sliding block moves in the horizontal direction under the drive of the screw rod, the motor and the first motor adjust the unwinding speed and the unwinding direction of the winding roller, and the second motor drives the sliding block to adjust the winding position of the yarn and the corresponding yarn tension. Simultaneously adjusting the running speeds of the motor, the first motor and the second motor;

s3, in the yarn conduction process, the force sensor monitors the yarn tension value in the yarn conduction process in real time, if the set tension value is stable, the steps S1 and S2 are continued, when the set tension value is deviated, the opening and closing of the water pressure through pipe above the corresponding position of the lead frame are synchronously adjusted, so that the hydraulic pressure acting force is pumped to the lower pressing plate, the spring on the lower side of the lead frame is matched with the lower pressing plate above the lead frame to be pressed downwards for fine adjustment, and the value of the force sensor is always kept stable.

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