KR20050019319A - A Method for Holding Paper Sleeve for Coiling of Hot-Dipped Material - Google Patents

Abstract

PURPOSE: To provide a method for holding paper sleeve for coiling hot dip coated products, the method capable of holding the paper sleeve after the clamp is adjusted as much as width of the paper sleeve by measuring deviation of a central part of the paper sleeve and correcting a clamp using the measured deviation value. CONSTITUTION: The method for holding paper sleeve for coiling hot dip coated products comprises a paper sleeve width measuring step of measuring width(W) of the paper sleeve(10) transferred to a lower part of the transfer car by a conveyor using a length measuring optical sensor(152) installed at a specific position of a lower part of a transfer car; a paper sleeve transfer step of transferring a central part(C) of the paper sleeve to a central part of clamps of the transfer car as much as a set distance(M); a paper sleeve central part measuring step of measuring a distance(L) from the specific position to the central part of the paper sleeve; a paper sleeve central part deviation calculating step of calculating a deviation between the central part of the paper sleeve and a central part of the clamps of the transfer car based on the specific position; a clamp central part adjusting step of adjusting position of the central part of the clamps according to the calculated deviation; and a paper sleeve holding step of adjusting width of the clamps and holding the paper sleeve using the clamps.

Description

A Method for Holding Paper Sleeve for Coiling of Hot-Dipped Material}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of holding a paper sleeve, and in particular, when a paper sleeve is inserted into a mandrel of a winder for winding a hot-dip product, the paper sleeve is automatically moved to a position of a transfer car by driving a conveyor. The present invention relates to a paper sleeve holding method for winding a hot-dip plated product for holding at an exact stop position when conveyed to a steel sheet.

In general, the coiled plated product is wound by a winding machine in a continuous hot dip plating factory so that a paper sleeve is inserted and wound in a mandrel of the winding machine in order to prevent distortion of the finished product in the exiting facility for producing the product.

1 is a process state diagram of a typical hot dip plating exit equipment. Referring to Figure 1, the product strip (4) produced in a continuous hot-dip plating factory is finally wound on the winder (1) to be wound by the coil (3) at the required weight of the demand, ultra-thin product (product thickness 0.4mm Paper sleeve 10 is inserted and mounted in order to prevent crushing inside the winding coil product before the winding operation. When the worker puts the paper sleeve 10 put on the paper sleeve conveying conveyor, the conveyor is driven to transport the paper sleeve to the position of the transfer sheet 5 for conveying the paper sleeve. At this time, the conveyed paper sleeve is conveyed to the position of the transfer car 5 in the state that the center adjustment operation is not made. Subsequently, a transfer car clamp holds the paper sleeve and transfers it to the sleeve mounter 2. As the transfer car clamp is held, there is no exact stop position of the paper sleeve. There was a problem. As such, when the paper sleeve is broken, it must be disposed of, thus reducing work efficiency and wasting resources.

Meanwhile, Korean Patent Application No. 2000-78887 (filed Dec. 20, 2000) secures a steel sleeve used in an inner diameter portion to prevent internal deformation, distortion, or sag of a relatively thin coil to a desired destination. Disclosed is a steel sleeve automatic transfer device for rapid and rapid transfer.

In addition, the machine automatically cleans the surface of the steel sleeve used for cold rolled products by rotating the link device and the brush roll using the cleaning agent off-line, and the filter device using the cleaning agent that cleans the contaminated steel sleeve surface with the cleaning liquid. A device for cleaning foreign material on the sleeve surface using a cleaning material that automatically cleans the surface online through the cleaning device, and a device for removing and centering the foreign matter stuck to the surface of the paper sleeve that has already been inserted into the winder before the winding operation It is.

However, the above-mentioned conventional techniques relate to a conveying device and a cleaning device of a steel sleeve, and also to enable the centering operation after the paper sleeve is inserted into the mandrel of the winder so that the paper sleeve is inserted into the mandrel of the winder. It did not solve the problem of breakage and disposal in the process of transportation.

2 is a schematic view of a conventional paper sleeve conveying apparatus. When the worker puts the paper sleeve 10, the sensor 21 detects this and the sleeve conveying conveyor moves the paper sleeve 10 to the # 3 conveyor 22 at the position of the transfer car 100. When the second sensor 23 detects the movement, the lift motor 24 of the transfer car 100 moves downward to allow the clamp unit 26 to descend and the clamps 27 and 28 to close. do. At this time, the paper sleeve 10 which is not accurately positioned at the center of the transfer car is continuously slid the paper sleeve 10 while detecting the side of the paper sleeve side by the first detector 29 to the clamp 27 on one side of the clamp 28. When the paper sleeve side part is closed until the second detector 30 detects the paper sleeve and both the detectors 29 and 30 of both clamps detect the paper sleeve, the clamp cloth stops and the lift motor 24 is stopped. The ascending operation causes the clamp unit 26 to rise. The motor 25 of the transfer car 100 is driven to transfer the paper sleeve to the paper sleeve mounter 2, and the clamps 27 and 28 on either side of the paper sleeve 21 are in a state of defective center. If the closing operation is continued while the sleeve is first detected (29, 30), the paper sleeve continues to slide until it is detected by the clamp proceeding from the opposite side, and the paper sleeve is detected and stopped by the opposite clamp while the paper sleeve is moving. As soon as it is torn or broken, there is a problem of discarding.

The present invention, as described above, to solve the problem that the conveying conveyor moves to a state in which the center adjustment is not made when the paper sleeve is conveyed and the paper sleeve is torn when the clamp of the transfer car holds the paper sleeve. The paper sleeve holding method for winding a molten plated product which can hold the paper sleeve after measuring the deviation of the central part of the paper sleeve and correcting the clamp by the deviation measurement value and adjusting the clamp by the width of the paper sleeve. The purpose is to provide.

In order to achieve the above object, the paper sleeve automatic transfer holding method of the present invention is a hot-dip plating product in a transfer car for holding a paper sleeve inserted into a winding machine of a coil-type plated product using a pair of clamps in a continuous hot dip plating process. In the holding method of the paper sleeve for winding,

A paper sleeve width measuring step of measuring a width of a paper sleeve conveyed to a lower portion of the transfer car by a conveyor using a length measuring optical sensor installed at a specific position of the lower portion of the transfer car; A paper sleeve conveying step of conveying a central portion of the paper sleeve by a distance set to a central portion of the clamp of the transfer car; A paper sleeve center measurement step of measuring a distance from the specific position to the center of the paper sleeve; A paper sleeve center deviation calculation step of calculating a deviation between a center of the paper sleeve and a center of the clamp of the transfer car based on the specific position; A clamp center adjusting step of adjusting a position of the center of the clamp according to the calculated deviation; And a paper sleeve holding step of adjusting the width of the clamp and holding the paper sleeve using the clamp.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described in detail the present invention. In the present invention, components having substantially the same configuration and function in the accompanying drawings will use the same reference numerals.

3 is a schematic configuration diagram of a transfer car to which a holding method of a paper sleeve according to the present invention is applied, and FIG. 4 is an exploded view of the transfer car of FIG. 3. 3 and 4 will be described in detail a paper sleeve holding method according to the present invention.

First, referring to FIG. 3, the transfer car 100 according to the present invention measures the center of the paper sleeve conveyed from the conveying conveyor and the center and the deviation detecting unit 150 for measuring the center deviation of the paper sleeve. In order to correct the deviation detected by the detection unit 150, the clamp is composed of a transfer car clamp unit 130 designed to adjust the width by the width of the paper sleeve. In addition, although not shown in the drawing, a control unit (not shown) for transmitting and receiving arithmetic signals and control signals to / from the center portion and the deviation detection unit 150 and the transfer car clamp unit 130 is provided.

Referring to Figure 4 in more detail the configuration of the above-described transfer car 100, it is installed in the # 3 conveyor motor to detect the center of the paper sleeve being conveyed from the conveyor to detect the rotational speed of the conveyor roll A first cylinder 170, a hydraulic cylinder 151 that can be moved forward and backward to measure a center deviation of the paper sleeve, and an operation of the hydraulic cylinder 151 detects the existence of the conveyed paper sleeve. The optical sensor 152 and the pinion gear of the cylinder rod and the rack gear of the second PLG 153 are assembled to form the optical sensor 152 and the second PIL 153 by cylinder operation. Is configured to work.

The transfer car clamp unit 130 is configured such that when the motor 50 is driven, the chain 51 for adjusting the clamp width and the third PIL 139 for detecting the rotational speed of the motor are driven. The sliding guide 133 and the lower clamp unit 137 are assembled on the upper side of the motor 50, and the lower clamp unit 137 is operated by the operation of the hydraulic cylinder 131 installed on the upper side of the sliding guide 133. ) The whole is configured to move left and right. In addition, when the entire clamp unit 137 is moved by the operation of the hydraulic cylinder 131, the pinion gear 134 on the left side of the rack gear 136 and the sliding guide 133 of the second PIL 135 ) Is installed and assembled so that the second PIL 135 can detect the moving distance of the hydraulic cylinder 131.

Referring to the paper sleeve automatic transfer holding method of the present invention configured as described above are as follows.

Referring to FIG. 4, when the paper sleeve 10 is placed on the conveyor by an operator, the paper sleeve 10 arrives at the # 3 conveyor 22 by driving the conveyor. In this case, the sensor 18 determines whether the paper sleeve has arrived at the # 3 conveyor 22, and if the paper sleeve 10 has arrived at the # 3 conveyor 22 by the sensor 18, the initial state is determined. The on signal is detected by the optical sensor 152 fixed at a specific position, and the width measurement of the paper sleeve is started, and the value of the second Pl 170 connected to the # 3 conveyor 22 motor is also initialized. . The first PG 170 detects the rotational speed of the conveyor roll while the optical sensor 152 is turned on.

As soon as the paper sleeve 10 continues to pass through the optical sensor 152, the optical sensor 152 is turned off and the detection of the rotational speed of the conveyor roller of the first PG 170 is completed. The width measurement of the paper sleeve 10 is completed. In this case, the first PG 170 detects the number of revolutions of the conveyor roll from the time when the optical sensor 152 is turned on to the moment it is turned off, and the controller (not shown) The width of the paper sleeve 10 is calculated by receiving the detected rotational speed signal of the conveyor roll. Accordingly, the controller calculates the central portion of the paper sleeve 10. Subsequently, the paper sleeve 10 is further transported by a set distance to stop at the set position and the center position point of the stopped paper sleeve 10 is calculated.

Referring to Figure 5 will be described in more detail the process of calculating the central position point of the paper sleeve described above. 5 is a schematic view showing a process of adjusting the center of the paper sleeve according to the present invention. Referring to FIG. 5, W is the distance from the moment when the # 3 conveyor 22 is driven, the paper sleeve 10 is transferred, and the light sensor 152 is turned on. Width of the sleeve 10. Therefore, W1 becomes 1/2 of the width of the paper sleeve 10. This is calculated on the same principle as described above using the photosensor 152, the first Pl 170 and a controller (not shown). Subsequently, the paper sleeve 10 is further transported by the specific distance M set in the calculated W1 and stopped when the central portion C of the paper sleeve 10 is positioned at a specific stop position. In the drawing, L represents the distance from the position of the optical sensor 152 to the central portion C of the paper sleeve 10 in the stop position. In this way, it stops at the specific stop position on # 3 conveyor 22, and the position adjustment of the center part is completed.

Referring again to FIG. 4, when the central position adjustment of the paper sleeve 10 is completed as described above, the hydraulic cylinder 151 of the central portion and the deviation detection unit 150 is positioned on the # 3 conveyor 22. Advance to the sleeve 10 and move forward until the optical sensor 152 fixed to the end of the hydraulic cylinder 151 detects (ON) the paper sleeve 10, and the forward distance is changed to the second PIL ( 153 detects. The control unit receives the detection signal from the second pg 153 and calculates a deviation between the calculated advance distance and the calculated L from the sum of the previously calculated W1 and the position of the paper sleeve 10. The degree of deviation is calculated.

Referring to Figure 6 will be described in more detail the position deviation calculation process of the paper sleeve described above. 6 is a schematic diagram showing a process of calculating a central position deviation of a paper sleeve according to the present invention. After the central position of the paper sleeve 10 is adjusted as shown in FIG. 5, the hydraulic cylinder 151 is advanced in the direction of the paper sleeve 10, and an optical sensor 152 fixedly installed at the end of the hydraulic cylinder. Is advanced from the initial position until the paper sleeve 10 is detected (ON). The advance distance is detected by the second PDL 153. That is, in FIG. 6, the distance from the initial position of the optical sensor 152 to the detection of the paper sleeve 10 is D. FIG. Accordingly, in the drawing, T (= D + W1) is the distance traveled by the center of the paper sleeve 10, which should be equal to L calculated above. However, when the two values, that is, T and L, are different due to external factors, the deviation value becomes A, as shown in the figure. Thus, the deviation measurement of the center of the paper sleeve 10 is completed.

Referring back to FIG. 4, when the center deviation measurement of the paper sleeve 10 located in the # 3 conveyor 22 is completed, the transfer car clamp unit 130 is positioned according to the deviation value of the center of the paper sleeve calculated as described above. Perform the calibration. That is, the position of the transfer car clamp unit 130 is adjusted according to the deviation value of the center portion of the paper sleeve 10. As such, when the position of the clamp unit 130 is corrected by the amount of deviation of the center of the paper sleeve 10, the two clamps 52 and 53 on both sides are adjusted to the width of the paper sleeve 10. This is implemented by the width adjustment motor 50 and the third PIL 139 which detects the width adjustment movement amount thereof. In one embodiment of the present invention, the width adjustment range is the width of the paper sleeve 10 + 200mm and when the width adjustment is completed, the transfer car clamp unit 130 is lowered by the operation of the lift motor 60 of the transfer car lift. . The two clamps 52 and 53 of the transfer car clamp unit 130 having completed the lowering operation are cross-operated by the operation of the cross motor 50. The touch bars 141 and 142 of the clamps 54 and 55 on both sides of the paper sleeve 10 are operated, and the touch bars are operated by the sensors 29 and 30 being turned on. The cross operation of 54) 55 is completed.

7 is a schematic diagram showing a center portion deviation and width correction process of the clamp unit according to the present invention. Referring to FIG. 7, A is a center deviation value of the paper sleeve 10 calculated above. The center of the clamp portion 130 is moved by the hydraulic cylinder 131 by an amount corresponding to the deviation value A. In other words, the position of the clamp 130 is adjusted so that the center of the clamp 130 is located at the center of the paper sleeve 10. The position adjusting distance is calculated by the width adjusting motor 50 and the third PIL 139. Reference numeral K denotes the width of the clamps 27 and 28 to hold the paper sleeve 10, where K = "width W of the paper sleeve 10 + α", where α is a set value. This is the distance the clamp width adjustment motor 50 is driven to operate the clamp. Here, preferably, α = 200 ± 10mm.

8 is a flowchart showing a paper sleeve automatic transfer holding method according to the present invention. Referring to Figure 8 describes a paper sleeve automatic transfer holding method according to the present invention. The worker puts the paper sleeve 10 (S802), and the injected paper sleeve 10 is transferred to the # 3 conveyor 22 via the # 1, 2 conveyor (S804). The sensor 23 installed in the # 3 conveyor 22 determines whether the paper sleeve 10 has arrived (S806). When the sensor 23 detects the ON signal in the step S806, it is determined that the paper sleeve has arrived and the # 3 conveyor 22 is operated (S808). When the sensor 23 detects the OFF signal in the step S806, it is determined that the paper sleeve 10 has not arrived yet and continues to operate until the ON signal is detected.

When the paper sleeve 10 is transferred by the operation of the # 3 conveyor 22 and the optical sensor 152 is turned on (S810), the first PIL 170 operates to detect the rotation speed (S812). Next, when the optical sensor 152 is turned off (S814), the first PIL 170 completes the rotation speed detection (S816). The controller (not shown) receives the rotational speed detection signal from the first PG 170 and thus the distance from the moment when the optical sensor 152 is turned on to the moment when it is turned off, that is, a paper sleeve ( A width W of 10) is calculated (S818).

As such, after the width W of the paper sleeve 10 is calculated, the paper sleeve 10 is further conveyed by a specific distance M to move to the stop position for holding in the clamp unit 130 ( S818). When the paper sleeve 10 stops at the stop position, the deviation A of the center of the paper sleeve 10 is calculated (S820). The deviation A of the center portion of the paper sleeve 10 is calculated as A = T-L as shown in FIG. Here, T is the advance distance until the optical sensor 152, which is moved by the hydraulic cylinder 151, advances and the paper sleeve 10 is detected (ON) when the paper sleeve 10 is in the stop position. Where L is the distance from the initial fixed position of the optical sensor 152 to the central portion C of the paper sleeve at the stationary position on the # 3 conveyor 22.

Next, the center position of the clamp unit 130 is adjusted according to the calculated deviation A of the center of the paper sleeve 10 (S822). The step S822 is to match the central position of the clamp portion 130 to the central portion of the paper sleeve 10 in order to safely hold the paper sleeve 10. As described above, when the central position adjustment of the clamp unit 130 is completed, the widths of the two clamps 27 and 28 on both sides are adjusted. The clamps 27 and 28 are devices for holding both ends of the paper sleeve 10 and must have a suitable width to securely hold the paper sleeve. In one embodiment of the present invention, the widths of the clamps 27 and 28 are set to the width W + α of the paper sleeve 10. Here, α is a preset value and is set to 200 ± 10 mm in one embodiment of the present invention. Subsequently, after the widths of the clamps 27 and 28 are adjusted, the clamps 27 and 28 are lowered to hold the paper sleeve 10 (S826).

As such, in the present invention, the paper sleeve may be transported up to the paper sleeve mounter so as not to be torn or damaged when transporting the paper sleeve in the conveying conveyor.

The detailed description and the disclosure of the drawings describe preferred embodiments of the present invention, and those skilled in the art can make various modifications or substitutions within the scope of the technical idea of the present invention, and further, in other forms of configuration. It will be appreciated that production is possible. Therefore, the scope of the present invention should be determined not by the above description but by the appended claims.

As described above, according to the present invention, when the paper sleeve is moved to the position of the transfer car by driving the conveyor in the process of inserting the inner sleeve of the plated product and transferring the paper sleeve for winding the product, accurate stop position control is achieved. Since the clamp of the transfer car is not made, both sides of the paper sleeve are torn or broken during the clamping operation, thereby preventing the problems of disposal and enabling automatic operation, thereby improving productivity.

1 is a process state diagram of a typical hot dip plating exit equipment.

2 is a schematic view of a conventional paper sleeve conveying apparatus.

3 is a schematic configuration diagram of a transfer car to which a holding method of a paper sleeve according to the present invention is applied.

4 is an exploded view of the transfer car of FIG. 3.

5 is a schematic view showing a process of adjusting the center of the paper sleeve according to the present invention.

6 is a schematic diagram showing a process of calculating a central position deviation of a paper sleeve according to the present invention.

7 is a schematic diagram showing a center portion deviation and width correction process of the clamp unit according to the present invention.

8 is a flowchart showing a paper sleeve automatic transfer holding method according to the present invention.

 Explanation of symbols on the main parts of the drawings

10: paper sleeve 22: conveyor

27,28: clamp 29: first detector

30: second detector 26: clamp unit

100: transfer car 150: center and deviation detection unit

130: transfer car clamp portion 170: the first PIL

151: hydraulic cylinder 152: light sensor

153: 2nd pg 139: 3rd pg

Claims (4)

A holding method of paper sleeve for winding a molten plated product in a transfer car 100 for holding a paper sleeve inserted into a winder of a coil-type plated product using a pair of clamps 27 and 28 in a continuous hot dip plating process. To The width W of the paper sleeve 10 conveyed to the lower portion of the transfer car 100 by a conveyor using the optical sensor 152 for measuring the length installed at a specific position P1 in the lower portion of the transfer car 100. Paper sleeve width measuring step of measuring; A paper sleeve conveying step of conveying a central portion C of the paper sleeve 10 by a distance M set to a central portion of the clamps 27 and 28 of the transfer car 100; A paper sleeve center measurement step of measuring a distance L from the specific position P1 to the center C of the paper sleeve; Paper sleeve center deviation calculation which calculates the deviation A of the center part C of the paper sleeve 10 and the center part of the clamp 27 and 28 of the said transfer car 100 based on the said specific position P1. step; A clamp center adjusting step of adjusting the position of the center of the clamps (27) (28) according to the calculated deviation (A); And Paper sleeve holding step of adjusting the width of the clamps (27) (28) and holding the paper sleeve (10) using the clamp; The holding method of the paper sleeve for winding the hot-dip plating product comprising a. According to claim 1, The paper sleeve width measuring step, The method of holding a paper sleeve for winding a hot-dip galvanized product, characterized in that for measuring the distance from after detecting the front end of the conveyed paper sleeve 10 by the optical sensor (152) to detect the rear end. According to claim 1, wherein the paper sleeve center deviation calculation step, Advancing the optical sensor 152 from the specific position P1 until the optical sensor 152 detects a rear end of the paper sleeve; Calculating a forward distance D of the photosensor 152; Calculating the sum of the calculated advance distance (D) and the width (W / 2) of the half of the paper sleeve and the deviation of the distance (L) from the specific position (P1) to the central portion (C) of the paper sleeve step; The holding method of the paper sleeve for winding the hot-dip plating product comprising a. The method of claim 1, wherein the paper sleeve holding step, The width of the clamp (27) (28) is adjusted to the "width of the paper sleeve (W) + α" (where α is 200 ± 10mm) characterized in that holding the paper sleeve for winding the hot-rolled product, characterized in that.