KR100988453B1 - A rewinder curvature revision means for rewinder equipment - Google Patents

Abstract

PURPOSE: A winding curvature correcting unit for a winding machine is provided to minimize the internal stress and the internal stress variation in a continuous material to be rolled. CONSTITUTION: A winding curvature correcting unit for a winding machine comprises a sensing unit(420), a lifting unit, and a control unit. The sensing unit measures the distance from a sensing point on a side of a rolled continuous material to an absolute position. The lifting unit selectively moves up and down a drum(301). The control unit compares the measured distance provided form the sensing unit with the pre-set absolute distance and selectively controls the operation of the lifting unit. The sensing unit is fixed to a side of a winding machine so that an extension line of the sensing direction passes through the rotational center of the drum.

Description

A rewinder curvature revision means for rewinder equipment}

The present invention is provided on one side of a winding device for winding a continuous material having a constant width, and relates to a winding curvature correction means for a winding device to correct stress concentration in the continuous material by correcting the curvature of the continuous material being wound.

Hereinafter, a configuration of a continuous material winding apparatus according to the prior art will be described with reference to FIG. 1, and the continuous material will be taken as a strip.

Figure 1 is a state diagram showing the configuration of the continuous material winding apparatus according to the prior art.

As shown in the drawing, the conventional continuous material winding device 1 is a device for winding the continuous material C continuously supplied from the continuous material feeder F, and a drum for winding the continuous material C on the outer circumferential surface thereof. (2), a winding motor (3) for providing rotational power to the drum (2), and a frame (4) for supporting the drum (2) and the winding motor (3).

The drum 2 is rotatably fixed at an approximately center height of the frame 4 to receive rotational power from the winding motor 3 to perform selective rotation in a clockwise or counterclockwise direction.

However, the continuous winding device configured as described above has the following problems.

That is, the drum 2 is rotatably fixed to the center of the height of the frame 4. Accordingly, when the continuous material C is wound on the outer circumferential surface of the drum 2, the continuous material C gradually moves away from the center of the drum 2, and the continuous material conveyed from the continuous material feeder F. Since the starting position of (C) is the same, the winding angle α becomes large eventually.

Therefore, the curvature of the continuous material (C) wound on the drum (2) is changed, as a result of this bending occurs, there is a problem that a large stress is generated inside the continuous material (C).

In addition, since the continuous material (C) has different stresses depending on the order and position of the winding, when the wound continuous material (C) is released and the slitting is performed, the bending and the center may be caused by the difference in stress. Defects such as gathering and warping occur.

In addition, the stress inside the continuous material (C) will eventually increase the defective rate during production of the product to increase the manufacturing cost and cause a problem that lowers the productivity.

An object of the present invention for solving the above problems is provided on one side of the winding device for winding a continuous material having a constant width, so that the stress concentration in the continuous material is solved by correcting the curvature of the wound continuous material. A winding curvature correction means for a winding device is provided.

Another object of the present invention is to provide a winding curvature correction means for a winding device, which detects a distance from an absolute position to an outer surface of a wound continuous material and maintains the continuous material spaced by an absolute distance.

The winding curvature correction means for the winding device according to the present invention is provided on one side of the winding device which winds the continuous material supplied from the continuous material feeder on the drum outer surface, and measures the measurement distance from the sensing point of one side of the wound continuous material to the absolute position. Compared with a predetermined absolute distance by continuously sensing, by forcing the linear motion of the drum is characterized in that the measured distance corresponds to the absolute distance.

The winding curvature correcting means may include a sensing unit measuring a distance from the sensing point to an absolute position, a lifting unit for selectively raising / lowering the drum, and a predetermined absolute distance measured from the sensing unit. Compared with the control unit characterized in that it comprises a control unit for selectively controlling the operation of the lifting unit.

The sensing unit is fixed to one side of the winding device, characterized in that the extension line in the sensing direction passes through the center of rotation of the drum.

The detection unit is characterized in that any one of a laser sensor, an infrared sensor, an ultrasonic sensor, a magnetic sensor.

One side of the continuous material feeder frame, characterized in that the position sensor for detecting the height position of the drum is provided.

The straight line connecting the sensing unit and the sensing point is characterized in that passes through the drum.

One side of the winding device, characterized in that the position sensor for detecting the height position of the drum is provided.

The position sensor may include a lift limiting sensor for selectively detecting the height of the drum by sensing the position of the drum, a dropping limit sensor for selectively limiting the falling height of the drum by sensing the position of the drum, and the continuous material. Characterized in that it comprises a position guide sensor for guiding the initial position of the drum for the first time to pick up.

As described in detail above, the winding curvature correction means for the winding apparatus according to the present invention is configured to minimize the internal stress and the internal stress variation of the continuous material to be wound.

Therefore, the wound continuous material has the advantage that the stress is evenly distributed so that failures such as fracture, bending, curling, and center gathering are minimized.

In addition, since the position (height) of the continuous material conveyed from the continuous material feeder is wound on the drum at a predetermined position with respect to the position of the feeder, there is an advantage that convenience of use is improved.

1 is a use state showing the configuration of a continuous material winding apparatus according to the prior art.
Figure 2 is a state of use of a preferred embodiment of the winding curvature correction means for the winding apparatus according to the present invention.
Figure 3 is an exploded perspective view showing the internal configuration of a preferred embodiment of the winding curvature correction means for the winding apparatus according to the present invention.
Figure 4 is a schematic view showing the configuration of the winding curvature correction means for the winding apparatus according to the present invention.
Figure 5 is a schematic view showing the principle of operation of the winding curvature correction means for the winding apparatus according to the present invention.
Figure 6 is a schematic view showing a state in which the drum moved in accordance with the operation of the winding curvature correction means for the winding apparatus according to the present invention.

Hereinafter, with reference to the accompanying Figures 2 to 4 will be described the configuration of a preferred embodiment of the present invention.

Figure 2 shows a state of use of a preferred embodiment of the winding curvature correction means for a winding device according to the present invention, Figure 3 is an exploded perspective view showing the internal configuration of a preferred embodiment of the winding curvature correction means for a winding device according to the present invention 4 is a schematic view showing the configuration of the winding curvature correction means for the winding apparatus according to the present invention.

As shown in the drawing, the continuous material winding apparatus of the present invention is preferably configured to wind the continuous material C supplied from the continuous material feeder F on the outer surface of the drum 301, and the continuous material C is It is a material having a predetermined width and thickness and the length is continuously long, the winding curvature correction means 400 is provided to be wound in a state in which the internal stress is minimized when winding the continuous material (C).

First, referring to the overall configuration of the winding apparatus, the frame 100 having an empty inside and having an external shape of a rectangular parallelepiped, a base 200 installed inside the frame 100 and supporting a plurality of components, and the base 200 ) The winding means 300 fixedly installed on one side to wind the continuous material C, and the measurement distance from the sensing point S on one side of the wound continuous material C to the absolute position (P in FIG. 4). (D) is continuously sensed and compared with a predetermined absolute distance (T), and winding up so that the measurement distance (D) corresponds to the absolute distance (T) by forcing a linear movement of the drum 301 in the up / down direction. Curvature correction means 400 is configured to include.

The frame 100 is opened in the front / rear direction and the left / right direction, and a plurality of parts including the base 200 are installed in the empty space.

In addition, a plurality of reinforcing ribs 110 are formed in the frame 100 in consideration of the weight of the wound continuous material C.

A cover 120 is provided on an upper surface of the frame 100, and a partial configuration of the lifting unit 440, which will be described below, is installed on an upper surface of the cover 120.

The base 200 is installed in the internal space of the frame 100 to enable linear reciprocating motion in the up / down direction (height direction of the frame 100), and the winding means 300 is fixedly installed.

Therefore, the winding means 300 is interlocked by the up / down movement of the base 200.

The winding curvature correction means 400 is configured to allow the continuous material C supplied in the right direction from the continuous material feeder F to be wound with a constant tensile force, and at the same time, to minimize internal stress.

That is, when the continuous material (C) is wound by the winding means 300, the outer surface of the wound continuous material (C) gradually away from the outer surface of the drum 301, and eventually the winding angle is increased, The winding curvature correction means 400 can increase the quality of the continuous material (C) by blocking the increase in the internal stress of the continuous material (C) according to the increase in the winding angle.

Detailed configuration of the winding curvature correction means 400 will be described below.

The winding means 300 has a substantially cylindrical shape and rotates to wind the drum 301 for winding the continuous material C, a winding motor 302 for providing rotational power to the drum 301, and the winding motor ( The force transmission unit 303 for transmitting the rotational power generated in the 302 to the drum 301, and the anti-loosening tool 308 to prevent loosening by applying pressure to the continuous material C wound on the outer peripheral surface of the drum 301. It is configured to include).

The drum 301 is divided into a plurality and configured to be expandable by being spaced apart or approaching each other. The drum 301 is configured to wind up the continuous material C with the outer diameter expanded and to reduce the outer diameter when the winding of the continuous material C is completed. do.

The force transmission unit 303 is located between the winding motor 302 and the drum 301 to transfer the rotational power of the winding motor 302 to the drum 301, coupled to the tip of the winding motor 302 The main gear 304, a driven gear (not shown) located at the rear of the drum 301, and a winding chain 306 for transmitting rotational power applied to the main gear 304 to the driven gear. It is configured by.

The driven gear and the driving gear 304 are configured in the same gear ratio and the rotation speed is the same, and the force transmission part 303 is interlocked with the movement of the base 200 while the load is supported by the base 200. Done.

That is, the winding motor 302 is fixed to the rear half of the upper surface of the base 200, the force transmission portion 303 is coupled to the first half of the upper surface of the base 200.

On the other hand, the drum transfer unit 360 is provided at the rear of the drum 301. The drum transfer unit 360 is a configuration for linear reciprocating movement of the drum 301 located in front of the base 200 in the front / rear direction.

That is, the drum transfer unit 360 includes a drum support plate 362, a cylinder 364, and a support guide 366 to force linear reciprocation of the drum 301.

In more detail, a drum support plate 362 having a substantially rhombus shape is provided on a rear surface of the drum 301, and the cylinder 364 is disposed in parallel to the rear from the left / right side of the rear surface of the drum support plate 362. The guide allows the load of the drum 301 and the drum support plate 362 to be supported by the base 200, and simultaneously guides the linear reciprocating direction of the drum 301.

To this end, the support guide 366 is a guide plate 367 perforated with a guide hole 368 for guiding the linear reciprocating direction of the drum 301, and a linear reciprocating motion along the guide hole 368 It is configured to include a guide rod 369, the lower surface of the guide plate 367 is fixedly coupled to the upper surface of the base 200.

Therefore, when the length of the cylinder 364 extends, the guide rod 369 moves forward and backward along the guide hole, and the drum 301 and the drum support plate 362 are guide rods 369. ) Is moved in the same direction as the moving direction, that is, forward.

The base 200 is configured to accommodate the drum transfer unit 360 therein and to move in the up / down direction.

That is, the base 200 has an approximately box shape with an inside opening in a front / rear direction, a part of the drum transfer unit 360 is accommodated therein, and a part of the winding means 300 as described above. The part is seated.

And, the lifting guide 210 is provided on the left / right side of the base 200. The lifting guide 210 slides in an up / down direction along the guide rail 448 to be described below, and is fixedly coupled to the base 200 to accommodate the guide rail 448 from the outside to the inside.

Therefore, the base 200 may be lifted and lowered by the winding means 300 by sliding the base 200 and the guide rail 448.

A position sensor 220 is provided at one side of the base 200. The position sensor 220 is configured to detect the height position of the drum 301, the maximum rising height and maximum falling height of the drum 301 in conjunction with the base 200, and the continuous material (C) The starting position of the drum 301 for winding up is sensed.

To this end, the position sensor 220, the lift limit sensor 222 for selectively limiting the rise of the drum 301, and the lower limit sensor 224 for selectively limiting the falling of the drum 301 and It comprises a precise position guide sensor 226 for guiding the initial starting position of the drum 301.

In addition, the rising limit sensor 222, the falling limit sensor 224 and the exact position guide sensor 226 is a proximity sensor is applied to detect the second half of the upper surface of the drum 301, when the control unit A signal is transmitted and power is applied to the lifting motor 442 which will be described below by the control unit.

Therefore, the rising limit sensor 222 and the falling limit sensor 224 and the exact position guide sensor 226 may be configured to operate at all times, only the rising limit sensor 222 when the base 200 is raised, When the base 200 is lowered, only the lower limit sensor 224 may be controlled to operate only the position guide sensor 226 when the continuous material C is completely wound on the drum 301.

Hereinafter, a detailed configuration of the winding curvature correction means 400 will be described with reference to FIG. 4.

The winding curvature correction means 400 continuously detects the measurement distance (D) from the sensing point (S) of one side of the wound continuous material (C) to the absolute position (P) and compares it with a preset absolute distance (T). In addition, the linear motion of the drum 301 is forced to make the measurement distance D equal to the absolute distance T.

To this end, the winding curvature correction means includes a sensing unit 420 for measuring a distance from the sensing point S to an absolute position P, and a lifting unit 440 for selectively raising / lowering the drum 301. And a control unit (not shown) for selectively controlling the operation of the elevating unit by comparing the measured distance D provided from the sensing unit with a preset absolute distance T.

The detection unit 420 is fixed to the upper side of the frame 100 has an absolute position (P) when the lower surface, is applied to any one of the laser sensor, infrared sensor, ultrasonic sensor, magnetic sensor to the detection point (S) Measure the distance of.

In the embodiment of the present invention, the sensing point S is set on a straight line connecting the center of the absolute position P and the rotation center of the drum 301 so that the sensing point when the continuous material C is wound up. As the position of (S) is adjusted upward, the distance is measured so that the position of the drum 301 is configured to be moved relatively downward.

However, when the continuous material C is wound on the drum 301, the detection point S may be variously changed and applied within a range in which a change in distance from the absolute position P is detectable.

That is, the detection point S can be set at any place only on the outer surface of the drum 301 that falls within the angle range indicated by β in FIG. 4.

This is for detecting a change in the position of the sensing point S from the time when the continuous material C is started to be wound on the outer surface of the drum 301. That is, when the sensing point S is located outside the drum 301, the measuring distance D cannot be measured in a state where the continuous material C is not wound on the outer surface of the drum 301. .

Therefore, the sensing point S may be applied in various ways within the range of a tangent contacting the outer surface of the drum 301 while passing through the absolute position P.

Meanwhile, the absolute distance T is set in advance in the control unit. The absolute distance T is for limiting the range of distance from the absolute position P to the detection point S, and includes a minimum absolute distance T1 and a maximum absolute distance T2.

That is, the maximum absolute distance T2 may be the maximum allowable distance from the absolute position P to the sensing point S, and the minimum absolute distance T1 is a continuous material C wound on the drum 301. Is set to forcibly adjust the position of the drum 301 so that the stress can be minimized.

Therefore, when the measuring distance (D) is equal to the minimum absolute distance (T1), the drum 301 is forced downward to be wound on the drum 301 without the continuous material (C) has a slope. To help.

In addition, when the measurement distance (D) is equal to the maximum absolute distance (T2), the drum 301 is limited to move downward.

Hereinafter, the configuration of the lifting unit 440, which is one configuration of the winding curvature correction means 400, will be described with reference to FIG.

As described above, the elevating unit 440 compensates for the increase in thickness of the continuous material C wound on the drum 301 to transfer the drum 301 in the up / down direction.

To this end, the elevating unit 440 is provided with a signal selectively from the control unit to raise and lower the motor 442 to generate a rotational power, the screw 444 to rotate in conjunction with the elevating motor 442 rotation ), A nut 446 coupled to one side of the base 200 and linearly reciprocating in the longitudinal direction of the screw 444 in conjunction with the screw 444, and the base 200 during linear reciprocation of the nut. Guide rail 448 for guiding the linear reciprocating direction of the () and an encoder 449 for measuring the movement distance of the nut using the rotation speed of the screw (444).

The lifting motor 442 is fixedly coupled to the upper surface of the cover 120 to generate a rotational power, the screw 444 penetrates through the cover 120 at the lower side of the cover 120, the lifting motor 442 Combined with).

Therefore, a gear for switching the direction of rotation is preferably provided between the lifting motor 442 and the screw 444.

The screw 444 is disposed in parallel to each other in the vertical left and right sides of the frame 100, the lower end is rotatably coupled to the inner bottom surface of the base 200. In addition, the screw 444 is configured to penetrate the base 200 through the through hole 240 formed in the base 200.

Therefore, the pair of screws 444 receive rotational power from the lifting motor 442 to rotate in the same direction.

A nut 446 is provided at one side of each of the pair of screws 444. The nut 446 is coupled to the inner ceiling surface of the base 200 and linearly reciprocates along the outer circumferential surface of the screw 444 when the screw 444 rotates, thereby linearly reciprocating the base 200 in the up / down direction. It is a structure to exercise.

Thus, the nut 446 is processed to correspond to the outer surface of the screw 444, and coupled to the lower side of the through hole 240 may help linear reciprocating motion of the base 200 and the drum 301. Will be.

The guide rail 448 is provided in the longitudinal direction of the base 200. The guide rail 448 is configured to guide the sliding direction of the lifting guide 210 described above, and is fixedly coupled to four corners of the base 200, respectively.

Therefore, when the lifting motor generates a rotational power, and the screw 444 is rotated to force the nut 446, the base 200, although having a large area, the guide rail 448 Four corners are stably supported by the elevating guide 210 to enable linear reciprocating motion.

An encoder 449 is provided on the left side of the elevating motor 442. The encoder 449 is configured to measure the rotational distance of the screw 444 to measure the distance actually moved by the nut 446.

Hereinafter, a process of winding the continuous material C and correcting the winding curvature by using the winding device configured as described above will be described with reference to FIGS. 2 to 6.

First, in order to wind the continuous material C in the drum 301 as shown in FIG. 4, the continuous material C must be provided from the continuous material supply F, and the drum 301 is the winding motor 302. Rotational power is supplied from).

As the drum 301 is wound, the continuous material C is gradually stacked on the outer circumferential surface of the drum 301 to move away from the center of the drum 301. As a result, the continuous material feeder F is transferred from the continuous material feeder F. The starting point of the continuous material (C) and the end point of the continuous material (C) wound on the drum 301 is further inclined to further increase the winding angle.

Therefore, the sensing unit 420 is operated simultaneously when the winding means 300 is in operation. That is, the driving gear 304 is rotated by the rotation of the winding motor 302, and at the same time, the sensing unit 420 measures the distance from the absolute position P to the sensing point S. .

At this time, the sensing unit 420 provides the measurement distance (D) to the control unit, the control unit is a continuous material (C) in the range of the preset minimum absolute distance (T1) and maximum absolute distance (T2) The lifting motor 442 is operated to be able to be.

More specifically, when the drum 301 is wound around the continuous material (C) in the state as shown in Figure 4, the detection point (S) is changed to one side of the outer surface of the continuous material (C) to measure the measurement distance (D) The control unit continuously compares the measurement distance D and the minimum absolute distance T1 to downwardly move the drum 301 when the measurement distance D corresponds to the minimum absolute distance T1. Will be moved to.

As a result, the measuring distance D is gradually changed larger than the minimum absolute distance T1, and the control unit of the drum 301 when the measuring distance D and the maximum absolute distance T2 are equal to each other. Constrain the downward movement.

The scope of the present invention is not limited to the above-described embodiments, and many other modifications based on the present invention will be possible to those skilled in the art within the scope of the present invention.

100. Frame 110. Reinforcement rib
120. Cover 200. Base
210. Lifting guide 220. Position sensor
222. Rise limit sensor 224. Lower limit sensor
226. Precise position guide sensor 240. Through hole
300. Winding means 301. Drum
302. Winding motor 303. Power transmission unit
304. Drive gear 306. Winding chain
308. Loose Lock 360. Drum Feed Unit
362.Drum Support Plates 364. Cylinders
366. Supporting guides 367.Guide plates
368.Guide hole 369.Guide bar
400. Winding curvature correction means 420. Detection unit
440. Lifting unit 442. Lifting motor
444.Screw 446.Nuts
448.Guide rails 449. Encoder
C. Continuous material. Measuring distance
F. Continuous material feeder P. Absolute position
S. Detection point T. Absolute distance
T1. Absolute absolute distance T2. Absolute Distance

Claims (8)

delete It is provided on one side of the winding device for winding the continuous material supplied from the continuous material feeder on the drum outer surface, and continuously detects the measured distance from the sensing point of one side of the wound continuous material to the absolute position and compares it with a preset absolute distance, In the winding curvature correction means for the winding device for forcing the linear movement of the drum to correspond to the absolute distance,
A sensing unit measuring a distance from the sensing point to an absolute position;
A lifting unit for selectively raising / lowering the drum;
And a control unit for selectively controlling the operation of the elevating unit by comparing the measured distance provided from the sensing unit with a preset absolute distance. The method of claim 2, wherein the detection unit,
The winding curvature correction means for the winding device, which is fixed to one side of the winding device, and an extension line in the sensing direction passes through the center of rotation of the drum. The method of claim 2, wherein the detection unit,
Winding curvature correction means for a winding device, characterized in that any one of a laser sensor, an infrared sensor, an ultrasonic sensor, a magnetic sensor. According to claim 3 or 4, wherein the continuous material feeder frame one side,
Winding curvature correction means for a winding device, characterized in that the position sensor for detecting the height position of the drum is provided. The method of claim 5, wherein the straight line connecting the sensing unit and the sensing point,
Winding curvature correction means for a winding device, characterized in that penetrating the drum. According to claim 2, At one side of the winding device,
Winding curvature correction means for a winding device, characterized in that the position sensor for detecting the height position of the drum is provided. The method of claim 7, wherein the position sensor,
A lift limit sensor for sensing the position of the drum and selectively limiting the lift height of the drum;
A lower limit sensor for sensing the position of the drum and selectively restricting the lowering height of the drum;
Winding curvature correction means for a winding device, characterized in that it comprises a position guide sensor for guiding the initial position of the drum for first grabbing the continuous material.

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