CN112875422B - 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 I and a rack II, a driving component I and a driving component II arranged on the rack, a creel I and a creel II, and the creel I is connected with the output end of the driving component I. According to the invention, 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 is arranged on the force sensor to monitor the yarn tension value in the yarn conduction process in real time, the water pressure acting force is sent to the lower pressing plate, the spring at the lower side of the lead frame is matched with the lower pressing plate at the upper part 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 a bobbin is ensured.

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 adopted 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, so that the quality of the yarn is difficult to greatly improve.

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

1. In order to achieve the purpose, the invention is realized by the following technical scheme: 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: the unwinding unit and the winding unit respectively comprise a first rack and a second rack, a first driving part and a first creel are arranged on the first rack, a second driving part and a second creel are arranged on the second rack, the first creel is connected with the output end of the first driving part, the second creel is connected with the output end of the second driving part, the unwinding unit further comprises an unwinding roller pivoted on the inner wall of the first creel, the unwinding roller is driven to rotate by a motor B, the winding unit further comprises a winding roller and a yarn positioning part, the winding roller is movably connected to the inner wall of the second creel through a limiting part and driven to rotate by a motor A, the yarn positioning part is used for adjusting the yarn entering position, a yarn guide hook is embedded in the middle of the outer side of the second creel, and a tension adjusting part is arranged above the yarn positioning part and used for adjusting the yarn tension value in the vertical direction in real time;

the yarn positioning component comprises a sliding block, a screw rod and a second motor, the second motor is arranged on the outer side of the second 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 second creel, the sliding block is sleeved on the screw rod in a threaded manner, and the bottom of the sliding block is abutted against a supporting plate with two ends connected with the inner wall of the second creel, so that the sliding block horizontally moves;

the tension adjustment part comprises a water storage frame, a water pressure conduction piece and a lower pressing plate, wherein the water storage frame, the water pressure conduction piece and the lower pressing plate are transversely and fixedly arranged on two upper sides of the creel, the water pressure conduction piece is provided with a plurality of water storage frames and is distributed at equal intervals along the length direction of the water storage frames, each water pressure conduction piece is communicated with the water storage frame, 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 frames are movably connected with the sliding blocks, the upper sides of the lead frames are abutted to the lower pressing plates, the upper sides of the lead frames are provided with through holes for yarns to penetrate out, and force sensors are arranged at the tops of the inner walls of the through holes.

Preferably, 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 barrel.

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, each water pressure through pipe is provided with a valve, 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 first driving part comprises a first motor, a belt, a first driving wheel and a second driving wheel, the first motor is arranged on the first rack, the output end of the first motor is connected with the second driving wheel, the upper side of the first rack is pivoted with the first driving wheel through a transmission shaft, the first driving wheel and the second driving wheel are in transmission connection through the belt, and the transmission shaft is connected with the center position of the inner side of the first creel.

Preferably, the limiting part comprises a limiting head connected with the output end of the motor A, a connector pivoted on one side of the creel II 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 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 II through a spring II, 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, the unwinding unit part starts the first motor and the second motor simultaneously in the unwinding process, the first motor drives the first creel to rotate and the second 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 simultaneously starts a second motor, a first motor and a second motor in the winding process, the second motor drives a second 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 second motor and the first motor adjust the winding speed and the winding direction of the winding roller, the second motor drives the sliding block to adjust the winding position of the yarn and the corresponding yarn tightness and adjust the running speed of the second 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, the steps S1 and S2 are continued when the set tension value area is stable, when the set tension value area deviates, the opening and closing of the water pressure through pipe above the corresponding position of the lead frame are synchronously adjusted, 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 at a stable value.

(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.

The yarn unwinding and winding device and the yarn winding adjustment process provided by the invention have the advantages that 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 lower pressing plate at the upper part to be pressed downwards for fine adjustment, the numerical value of the force sensor is kept at a stable value all the time, the slight change of the tension in the continuous winding process of the yarn is reduced, the winding quality of the yarn is improved, and the stability of the yarn after being wound into a bobbin is ensured.

The yarn unwinding and winding device and the yarn winding adjusting process extrude the disc sleeve head outwards to separate the disc sleeve head 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 separate from the creel II, 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 view of a second plane of depression 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: 1, a first frame, 2 driving parts, a first motor 21, a belt 22, a first 23 transmission wheel, a first 3 creel, a first 4 unwinding roller, a 5 motor A, a 6 winding roller, a 7 yarn positioning part, a 71 sliding block, a 72 screw rod, a 73 motor II, an 8 transmission shaft, a 9 yarn guide hook, a 10 supporting plate, a 11 limiting block, a 12 limiting part, a 121 limiting head, a 122 connecting head, a 123 disc sleeve head, a 124 spring II, a 13 tension adjusting part, a 131 water storage frame, a 132 water pressure transmission part, a 1321 middle rotating frame, a piston head 1322, a 1323 spring I, a 1324 water pressure through pipe, a 133 lower pressing plate, a 14 yarn guide frame, a 15 through hole, a 16 vertical groove, a 17 convex rod and a second 18 creel.

Detailed Description

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

As shown in fig. 1-6: the utility model provides a yarn backing-off, take-up device and yarn wire winding adjustment technology, unwinding unit and the winding unit that includes both sides level correspondence, the yarn of twining on the yarn section of thick bamboo is unwound the transmission by unwinding unit to the winding unit department along the horizontal direction and is realized coiling, unwinding unit and winding unit include frame one 1 and frame two respectively, be equipped with drive component one 2 on frame one 1, creel one 3, be equipped with drive component two on the frame two, creel two 18, wherein creel one 3 links to each other with the output of drive component one 2, the output of creel two 18 drive component two links to each other, unwinding unit still includes the backing-off roller of pin joint in creel one 3 inner wall, backing-off roller 4 passes through motor B drive and rotates.

The winding unit further comprises a winding roller 6 and a yarn position adjusting component 7, the winding roller is movably connected to the inner wall of the second creel 18 through a limiting component 12 and is driven to rotate through a motor A5, the yarn position adjusting 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 second creel. So that the yarn is led out from the middle of the creel one 3 at the unwinding unit and led in from the middle of the creel two 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 second creel 18, the output end of the second motor is connected with the screw rod 72, the screw rod 72 is pivoted on the inner wall of the second creel 18, the sliding block 71 is in threaded sleeve connection with the screw rod 72, and the bottom of the sliding block is abutted against the supporting plate 10 with two ends connected with the inner wall of the second creel 18, 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 first driving part 2 comprises a first motor 21, a belt 22, a first driving wheel 23 and a second driving wheel, the first motor 21 is arranged on the first rack 1, the output end of the first motor is connected with the second driving wheel, meanwhile, the upper side of the first rack 1 is pivoted with the first driving wheel 23 through a transmission shaft 8, the first driving wheel 23 is in transmission connection with the second driving wheel through the belt 22, and the transmission shaft 8 is connected with the center position of the inner side of the first creel 3. It should be noted that the two driving wheels are located in the blind area of the first frame 1, and therefore are not illustrated.

Wherein, the unwinding unit part simultaneously starts the motor I21 and the motor B during unwinding, the motor I21 drives the creel I3 to rotate and the motor B 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, a second motor, an electric motor A and a second motor 73 are started simultaneously, the second motor drives the second creel 18 to rotate and the electric motor A drives the winding roller 6 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 second motor and the electric motor A adjust the winding speed and the winding direction of the winding roller 6, and the second motor 73 drives the sliding block 71 to adjust the winding position of the yarn and the corresponding yarn tightness. And meanwhile, the running speeds of the second motor, the first motor A 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 inside the yarn is avoided.

It should be noted that the device of the present embodiment can also implement yarn twisting, mainly by controlling the first motor 21 in the winding unit part and the second motor in the unwinding unit part to have different rotation speeds, so that the corresponding second creel 18 has 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 water storage rack 131 transversely and fixedly arranged on the upper side of the creel II 18, a plurality of water pressure conducting pieces 132 and a lower pressing plate 133, the water pressure conducting pieces 132 are distributed at equal intervals along the length direction of the water storage rack 131, each water pressure conducting piece 132 is communicated with the water storage rack 131, the force application end of each water pressure conducting piece is connected with the lower pressing plate 133, the inner side of the 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 the lead frame 14 is abutted against the lower pressing plate 133, a through hole 15 for the yarn to penetrate through is formed in the upper side of the lead frame 14, and a force sensor is arranged at the top of the inner wall of the through hole 15.

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 return upward, and the lower platen 133 allows downward movement 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 A5, a connecting head 122 pivoted on one side of the creel II 18 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 II 18 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, a corresponding clamping hole is formed in the end part of the winding roller, and the convex rod 17 is inserted into the clamping hole under the action of the spring to fix the winding roller) is pulled outwards in a normal state, so that the winding roller can be separated from the creel II 18, 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 (7)

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: the unwinding unit and the winding unit respectively comprise a first rack and a second rack, a first driving part and a first creel are arranged on the first rack, a second driving part and a second creel are arranged on the second rack, the first creel is connected with the output end of the first driving part, the second creel is connected with the output end of the second driving part, the unwinding unit further comprises an unwinding roller pivoted on the inner wall of the first creel, the unwinding roller is driven to rotate by a motor B, the winding unit further comprises a winding roller and a yarn positioning part, the winding roller is movably connected to the inner wall of the second creel through a limiting part and driven to rotate by a motor A, the yarn positioning part is used for adjusting the yarn entering position, a yarn guide hook is embedded in the middle of the outer side of the second creel, and a tension adjusting part is arranged above the yarn positioning part and used for adjusting the yarn tension value in the vertical direction in real time;

the yarn positioning component comprises a sliding block, a screw rod and a second motor, the second motor is arranged on the outer side of the second 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 second creel, the sliding block is sleeved on the screw rod in a threaded manner, and the bottom of the sliding block is abutted against a supporting plate with two ends connected with the inner wall of the second creel, so that the sliding block horizontally moves;

the tension adjustment part comprises a water storage frame, a water pressure conduction piece and a lower pressing plate, wherein the water storage frame, the water pressure conduction piece and the lower pressing plate are transversely and fixedly arranged on two upper sides of the creel, the water pressure conduction piece is provided with a plurality of water storage frames and is distributed at equal intervals along the length direction of the water storage frames, each water pressure conduction piece is communicated with the water storage frame, 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 frames are movably connected with the sliding blocks, the upper sides of the lead frames are abutted to the lower pressing plates, the upper sides of the lead frames are provided with through holes for yarns to penetrate out, and force sensors are arranged at the tops of the inner walls of the through holes.

2. A yarn unwinding and winding device according to claim 1, 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.

3. A yarn unwinding and winding device according to claim 1, 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.

4. A yarn unwinding and winding device according to claim 1, 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.

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

6. A yarn unwinding and winding device according to claim 1, characterized in that: the limiting part comprises a limiting head connected with the output end of the motor A, 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 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 walls 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.

7. The yarn winding adjustment process for a yarn unwinding and winding device according to any one of claims 1-6, wherein: comprises the following steps

S1, the unwinding unit part simultaneously starts a motor I and a motor B in the unwinding process, the motor I drives a creel I to rotate and the motor B drives an 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 second motor, a first motor and a second motor in the winding process, the second motor drives a second creel to rotate and drives a winding roller to rotate synchronously with the first motor, the second motor drives a screw rod to rotate, a sliding block moves in the horizontal direction under the driving of the screw rod, the second motor and the first motor adjust the winding speed and the winding direction of the winding roller, the second motor drives the sliding block to adjust the winding position of the yarn and the corresponding yarn tightness and adjust the running speed of the second 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, the steps S1 and S2 are continued when the set tension value area is stable, when the set tension value area deviates, the opening and closing of the water pressure through pipe above the corresponding position of the lead frame are synchronously adjusted, 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 at a stable value.

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