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, comprising horizontally corresponding unwinding units and winding units on both sides. The unwinding of the unit is conducted to the winding unit to realize the winding, and the unwinding unit and the winding unit respectively include a frame 1 and a frame 2, a driving part 1 and a driving part 2 arranged on the frame, and the creel 1 and 2 respectively. The second creel, wherein the first creel is connected with the output end of the first driving component. By setting and synchronizing the opening and closing of the valve at the water pressure pipe above the corresponding part of the lead frame, the invention enables the water pump to install the force sensor to monitor the yarn tension value during the yarn conduction process in real time and send the water pressure to the lower pressure plate, and the wire The spring on the lower side of the frame cooperates with the lower pressing plate above to press down, so that the value of the force sensor always maintains a stable value, reducing the slight change of tension during the yarn winding process, improving the winding quality of the yarn and ensuring that it is wound into a tube. stability.

Description

A 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 adjustment process.

Background technique

Yarn is a kind of textile, a thin and soft continuous strip made of textile fibers and has certain mechanical properties. It can be used in various fabrics, braids and ropes. It is used in most cases where yarn needs to be used. It is wound into a tube to facilitate the transportation and management of the yarn.

The following problems exist in the existing yarn winding operation: the yarn winding method cannot guarantee the tension force in the yarn winding operation, which easily causes the inner part of the wound yarn to be fluffy, which affects the yarn after winding into a tube. The stability of the yarn is easy to cause the yarn to unravel, which reduces the precision of the yarn winding operation. Most of the solutions adopted are to control the speed of the yarn conduction and the control of the yarn tension. However, although the winding adaptation is achieved by keeping the speed stable as described above, there will still be continuous slight changes in the yarn winding tension, resulting in the quality of the yarn. difficult to increase significantly.

In order to solve the above problems, this case was born.

SUMMARY OF THE INVENTION

(1) Technical problems solved

Aiming at the deficiencies of the prior art, the present invention provides a yarn unwinding and winding device and a yarn winding adjustment process, which solve the problems raised in the above background technology.

(2) Technical solutions

1. In order to achieve the above purpose, the present invention is achieved through the following technical solutions: a yarn unwinding and winding device, comprising horizontally corresponding unwinding units and winding units on both sides, and the yarn wound on the bobbin is in a horizontal direction. Winding is realized from the unwinding unit unwinding and conducting to the winding unit, and it is characterized in that: the unwinding unit and the winding unit respectively include a frame 1 and a frame 2, and the frame 1 is provided with a driving component 1, a yarn Frame 1, the frame 2 is provided with a driving part 2 and a creel 2, wherein the creel 1 is connected with the output end of the driving part 1, the creel 2 is connected with the output end of the driving part 2, and the unwinding unit also includes a pivot The unwinding roller is connected to the inner wall of the first creel. The unwinding roller is driven and rotated by the motor B. The winding unit also includes a winding roller and a yarn positioning component. The winding roller is movably connected to the second creel through the limiting component. The inner wall is driven to rotate by the motor A. The yarn positioning part is used to adjust the yarn entering position. A yarn guide hook is embedded in the middle part of the outer side of the second creel, and a tension adjustment part is arranged above the yarn positioning part. , used to adjust the yarn tension value in the vertical direction in real time;

The yarn positioning component includes a slider, a screw rod, and a second motor. The second motor is arranged on the outer side of the second creel, and its output end is connected with the screw rod. The screw rod is pivotally connected to the inner wall of the second creel. The thread is sleeved on the screw rod, the bottom of which is abutted with a support plate whose two ends are connected with the inner wall of the second creel, so that the slider can move horizontally;

The tension adjustment component includes a water storage frame, a hydraulic transmission member, and a lower pressure plate laterally fixed on the upper side of the second creel, and a plurality of the hydraulic transmission members are arranged at equal intervals along the length direction of the water storage frame. Each water pressure conducting member is communicated with the water storage frame, and its force-applying end is connected with the lower pressing plate, the inner side of the slider is connected with a lead frame, the lead frame is movably connected with the slider, and the upper side of the lead frame is in contact with the lower pressing plate The upper side of the lead frame is provided with a through opening for the yarn to pass through, and the top of the inner wall of the through opening is provided with a force sensor.

Preferably, the limit blocks are arranged at both ends of the support plate, the upper end of which is higher than the lower end of the slider, and the distance between the two limit blocks is equal to the length of the yarn bobbin.

Preferably, the hydraulic transmission member includes an intermediate frame, a piston head, a spring I, and a hydraulic pipe, the upper end of the intermediate frame is connected to the water storage frame, the piston head is arranged on the lower side of the intermediate frame, and the spring I The piston head is connected to the top of the inner wall of the intermediate frame, the water pressure pipe is connected to the intermediate frame, and each hydraulic pipe is provided with a valve. Under normal conditions, the hydraulic pipe is located above the piston head.

Preferably, a vertical slot is formed on the inner side of the slider, and the lower side of the lead frame is connected to the bottom of the inner wall of the vertical slot through a spring.

Preferably, the first drive component includes a first motor, a belt, a first transmission wheel, and a second transmission wheel. The first motor is arranged on the first frame, and its output end is connected with the second transmission wheel, and the upper side of the first frame passes through The transmission shaft is pivotally connected with a transmission wheel 1, the transmission wheel 1 and the transmission wheel 2 are connected by belt transmission, and the transmission shaft is connected with the center position of the inner side of the creel 1.

Preferably, the limiting component includes a limiting head connected to the output end of the motor A, a connecting head pivotally connected to the second side of the creel, and a disc bushing. The cross section of the disc bushing is T-shaped and its size is larger than The size of the connecting head is also sleeved on the inside of the connecting head, the outer side of the disc sleeve is connected to the inner wall of the second creel through the second spring, one end of the winding roller is inserted into the limit head, and the other end is sleeved into the disc sleeve.

A yarn winding adjustment process of a yarn unwinding and winding device specifically includes the following steps:

S1. During the unwinding process of the unwinding unit, start the motor 1 and the motor B at the same time. The motor 1 drives the creel 1 to rotate and the motor B drives the unwinding roller to rotate synchronously to adjust the unwinding speed and the unwinding direction of the unwinding roller. ;

S2, synchronizing step S1, the winding unit part starts the motor 2, motor A, and motor 2 at the same time during the winding process, the motor 2 drives the creel 2 to rotate and the motor A drives the winding roller to rotate synchronously, and the motor 2 drives the screw rod Rotate, the slider moves in the horizontal direction under the drive of the lead screw, the second motor and the motor A adjust the winding speed and the winding direction of the winding roller, and the second motor drives the slider to adjust the position of the yarn winding and the corresponding the yarn collapse tightness, and adjust the running speed of motor 2, motor A and motor 2 at the same time;

S3. During the yarn conduction process, the force sensor monitors the yarn tension value during the yarn conduction process in real time. If the tension value is stable in the set tension value area, it is sufficient to continue steps S1 and S2. When there is deviation from the set tension value area , synchronously adjust the opening and closing of the water pressure pipe above the corresponding part of the lead frame, so that the pumping water pressure acts on the lower pressure plate, and the spring on the lower side of the lead frame cooperates with the upper lower pressure plate to press down to fine-tune, so that the value of the force sensor Always keep a stable value.

(3) Beneficial effects

After adopting the above-mentioned technical scheme, the present invention has the following advantages compared with the prior art:

1. A yarn unwinding, winding device and yarn winding adjustment process of the present invention, the unwinding unit part starts motor 2 and motor A at the same time, motor 2 drives creel 2 to rotate and motor A drives the unwinding roller to rotate synchronously , so as to adjust the unwinding speed and the unwinding direction of the unwinding roller to flexibly adjust the unwinding of the yarn. The winding unit part simultaneously adjusts the running speed of the motor A and the motor 2 to ensure the yarn winding tension in real time and avoid There is a problem of fluffy winding inside, and the precision is improved.

, A yarn unwinding, winding device and yarn winding adjustment process of the present invention, by setting a force sensor to monitor the yarn tension value during the yarn conduction process in real time, and synchronously adjust the water pressure pipe above the corresponding part of the lead frame The valve is opened and closed, so that the water pump pumps the water pressure to the lower pressure plate, and the spring on the lower side of the lead frame cooperates with the upper lower pressure plate to press down for fine adjustment, so that the value of the force sensor is always kept stable, reducing the continuous winding of the yarn. A slight change in the process tension improves the winding quality of the yarn and ensures its stability after winding into a tube.

, A yarn unwinding, winding device and yarn winding adjustment process of the present invention, the disc sleeve is squeezed to the outside to make it detach from the winding roller, lose the supporting effect of the winding roller, and at the same time limit the position The protruding rod at the head is pulled out, so that the winding roller can be detached from the second creel, which is convenient for the replacement of the winding roller.

Description of drawings

Fig. 1 is a schematic diagram of the present invention;

Fig. 2 is the schematic diagram of winding unit of the present invention;

Fig. 3 is an enlarged view of the partial structure at A place in Fig. 2 of the present invention;

4 is a schematic top view of two creels at the winding unit of the present invention;

Fig. 5 is an enlarged view of the partial structure at B in Fig. 4 of the present invention;

FIG. 6 is a front sectional view of the structure of the intermediate frame of the present invention.

In the figure: 1 frame 1, 2 driving parts 1, 21 motor 1, 22 belt, 23 transmission wheel 1, 3 creel 1, 4 unwinding rollers, 5 motor A, 6 winding rollers, 7 yarn positioning parts , 71 sliders, 72 screw rods, 73 motor two, 8 drive shafts, 9 yarn guide hooks, 10 support plates, 11 limit blocks, 12 limit parts, 121 limit heads, 122 connectors, 123 disc sleeves, 124 Spring II, 13 Tension Adjustment Parts, 131 Water Storage Rack, 132 Hydraulic Conductor, 1321 Intermediate Rack, 1322 Piston Head, 1323 Spring I, 1324 Hydraulic Pipe, 133 Lower Pressure Plate, 14 Lead Frame, 15 Port, 16 vertical grooves, 17 protruding rods, 18 creel two.

Detailed ways

The present invention will be described in further detail below through the accompanying drawings and embodiments.

As shown in Figure 1-6: a yarn unwinding, winding device and yarn winding adjustment process, including horizontally corresponding unwinding units and winding units on both sides, the yarn wound on the bobbin is horizontal The direction is unwinded by the unwinding unit and conducted to the winding unit to realize winding. The unwinding unit and the winding unit respectively include a frame 1 and a frame 2. The frame 1 is provided with a driving part 1 2 and a creel 1. 3. The second frame is provided with the second driving part and the second creel 18, wherein the creel one 3 is connected with the output end of the driving part one 2, and the output end of the second creel 18 is connected with the output end of the driving part two, and the unwinding unit also includes a pivot. Connected to the unwinding roller on the inner wall of the creel 3, the unwinding roller 4 is driven by the motor B to rotate.

The winding unit also includes a winding roller 6 and a yarn positioning member 7. The winding roller is movably connected to the inner wall of the second creel 18 through the limiting member 12, and is driven to rotate by the motor A5. The yarn positioning member 7 is used for To adjust the yarn entry position, a yarn guide hook 9 is embedded in the middle of the outer side of the second creel. The yarn is led out from the middle of creel 1 at the unwinding unit, and introduced from the middle of creel 2 at the winding unit.

The yarn positioning component 7 includes a slider 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, and its output end is connected with the screw rod 72, which is pivotally connected to the inner wall of the second creel 18. , the sliding block 71 is threadedly sleeved on the screw rod 72, and the bottom of the sliding block 71 is abutted against the supporting plate 10 whose two ends are connected with the inner wall of the second creel 18, so that the sliding block 71 can move horizontally.

The yarn positioning component 7 also includes limit blocks 11 . The limit blocks 11 are arranged at both ends of the support plate 10 , the upper end of which is higher than the lower end of the slider 71 , and the two limit blocks 11 are manually adjusted and fixed by bolts. .

The function of using the limit block mainly limits the horizontal movement of the slider within a certain distance, adjust the position of the limit block, so that the moving distance of the slider is changed accordingly, so as to reflect the yarn on the bobbin along the longitudinal direction of the bobbin. Length changes.

The driving component 1 2 includes a motor 1 21, a belt 22, a transmission wheel 1 23, and a transmission wheel 2. The motor 1 21 is arranged on the frame 1 1, and its output end is connected with the transmission wheel 2. At the same time, the upper side of the frame 1 passes through the The transmission shaft 8 is pivotally connected to a transmission wheel 1 23 , and the transmission wheel 1 23 and the transmission wheel 2 are connected by transmission through the belt 22 , and the transmission shaft 8 is connected to the inner center of the creel 3 . It should be noted that the second transmission wheel is located in the blind area of the frame one 1, so it is not shown.

The unwinding unit part starts the motor one 21 and the motor B at the same time during the unwinding process. The motor one 21 drives the creel one 3 to rotate and the motor B drives the unwinding roller 4 to rotate synchronously, so as to adjust the unwinding speed of the unwinding roller 4 And the unwinding direction to flexibly adjust the unwinding of the yarn.

During the winding process of the winding unit part, the second motor, the motor A, and the second motor 73 are activated at the same time. The second motor drives the creel two 18 to rotate and the motor A drives the winding roller 6 to rotate synchronously, and the second motor 73 drives the lead screw 72 to rotate. , the slider 71 moves in the horizontal direction under the drive of the screw 72, the second motor and the motor A adjust the winding speed and the winding direction of the winding roller 6, and the second motor 73 drives the slider 71 to adjust the winding speed of the yarn. position and corresponding yarn break down. At the same time, adjust the running speed of motor 2, motor A and motor 2 73 to ensure the yarn winding tension in real time and avoid the problem of fluffy winding inside.

It should be noted that the device of this solution can also realize yarn twisting, mainly by controlling the different rotational speeds of the motor one 21 in the winding unit part and the motor two in the unwinding unit part, so that the corresponding creel can be adjusted. The two 18 rotation speeds are also different, to achieve yarn twisting or no twisting.

During the actual continuous winding of the yarn, there will still be continuous slight changes in the winding tension of the yarn, which makes it difficult to greatly improve the quality of the yarn. The adjusting part 13 is used to adjust the yarn tension value in the vertical direction in real time.

The tension adjusting part 13 includes a water storage frame 131 fixed on the upper side of the second creel 18, a water pressure transmission member 132, and a lower pressing plate 133. The hydraulic pressure transmission member 132 is provided with a plurality of them along the length direction of the water storage frame 131, etc. The spacing is distributed, each water pressure conducting member 132 is communicated with the water storage frame 131, the force-applying end is connected with the lower pressure plate 133, the inner side of the slider 71 is connected with the lead frame 14, the lead frame 14 is movably connected with the slider 71, and its upper side Abutting against the lower pressing plate 133 , the upper side of the lead frame 14 is provided with a through opening 15 for the yarn to pass through, and a force sensor is provided on the top of the inner wall of the through opening 15 .

As shown in FIG. 6 , the hydraulic transmission member 132 includes an intermediate frame 1321, a piston head 1322, a spring 1323, and a hydraulic pipe 1324. The upper end of the intermediate frame 1321 is connected to the water storage frame 131, and the piston head 1322 is arranged on the intermediate frame. On the lower side of 1321, a spring 1323 connects the piston head 1322 to the top of the inner wall of the intermediate frame 1321, and the hydraulic pipe 1324 is connected to the intermediate frame 1321. Normally, the hydraulic pipe 1324 is located above the piston head 1322.

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

The inner side of the slider 71 is provided with a vertical slot 16 , and the lower side of the lead frame 14 is connected to the bottom of the inner wall of the vertical slot 16 through a spring. The lead frame 14 can move in the horizontal direction with the slider 71 , and its movement in the vertical direction can be fine-tuned by the spring on the lower side and in cooperation with the lower pressing plate 133 on the upper side. Specifically, the spring can make the lead frame 14 return upward, and the pressing plate 133 can be moved downward to adjust.

It should be noted that the position of the through opening 15 on the lead frame 14 is relatively lower than the position of the winding roller, so that the yarn can fit with the force sensor on the upper side during the process of passing through the through opening 15 to generate a force.

The size of the lead frame 14 is set as small as possible so as to avoid being between the two lower pressing plates 133 at the same time. Of course, it can also be located between the two lower pressure plates 133, just open the valve on the water pressure pipe 1324 at any corresponding lower pressure plate 133, and press down until the force sensor is constant.

By setting the force sensor to monitor the yarn tension value during the yarn conduction process in real time, and generate a feedback value (feedback to the control panel PLC), synchronously adjust the opening and closing of the water pressure pipe 1324 above the corresponding part of the lead frame 14, so that the water pump The water pressure is pumped to the lower pressure plate 133, and the spring on the lower side of the lead frame 14 cooperates with the upper lower pressure plate 133 to press down for fine adjustment, so that the value of the force sensor is always kept at a stable value, and the slight change of the tension during the continuous winding of the yarn is reduced. , to improve the winding quality of the yarn and ensure the stability of the yarn after it is wound into a tube.

The limiting member 12 includes a limiting head 121 connected with the output end of the motor A5, a connecting head 122 pivotally connected to one side of the second creel 18, and a disc sleeve 123. The cross section of the disc sleeve 123 is T-shaped and its size is larger than The size of the connecting head 122 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 second creel 18 through the spring two 124, one end of the winding roller 6 is inserted into the limit head 121, and the other end is sleeved into the disc sleeve head within 123.

The winding roller is set to be detachable, that is, the disc sleeve head 123 is squeezed to the outside to make it separate from the winding roller, and the supporting effect of the winding roller is lost. The position head 121 is provided with a protruding rod 17 with a spring, and the end of the winding roller is provided with a corresponding clamping hole. Under the action of the spring, the protruding rod 17 is inserted into the clamping hole to fix the winding roller) and pulled out, so that the winding roller It can be disengaged from the second creel 18 , which facilitates the replacement of the winding roller 6 .

The above-mentioned embodiments are enlightened, and through the above-mentioned descriptions, relevant personnel can make various changes and modifications without departing from the idea of the present invention. The technical scope of the utility model is not limited to the content in the description, and the scope of protection must be determined according to 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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