KR20040021925A - An apparatus for automatically separating sleeve from scrap coil - Google Patents

Abstract

PURPOSE: An apparatus for automatically separating sleeve from scrap coil is provided which reduces manufacturing cost and prevents safety accident by easily separating the sleeve from the scrap coil so that the recovered sleeve is reused. CONSTITUTION: In an apparatus for automatically separating sleeve(300) from scrap coil(310) coiled in a coil shape, the apparatus comprises a scrap uncoiling part comprising a plural cradle rolls(5a,5b) on an upper part of which the scrap coil is put, and a motor for rotating the cradle rolls to uncoil the scrap coil from the sleeve by rotating the scrap coil on the cradle rolls; a shape measuring part comprising a magnetic conveyor belt(63) positioned at the rear side of the scrap uncoiling part and moved with the scrap coil being adhered to an upper surface of the magnetic conveyor belt, and a plural touch rollers(65a,65b) and position meters(67a,67b) for measuring shape of the scrap coil; a shape correction part(82) comprising a plurality of shape correction rolls(83) vertically moved with being positioned at the rear side of the shape measuring part, and a motor for driving the shape correction rolls to correct a wave formed scrap coil in a flat shape; and a scrap cutting part(120) comprising a plural upper and lower cutting knives(122a,122b) positioned at the rear side of the shape correction part to cut the scrap coil to a certain length.

Description

Automatic Separation Device for Scrap Coil and Sleeve {AN APPARATUS FOR AUTOMATICALLY SEPARATING SLEEVE FROM SCRAP COIL}

The present invention relates to an apparatus for automatically separating a sleeve from a scrap coil generated in a continuous annealing process of a cold rolling mill, and more particularly, a coil-type scrap that is difficult to pass through a continuous line normally due to a shape defect or a defect of a material. The automatic separation device of the improved scrap coils and sleeves can be easily removed from the scrap coils to be reused in the process of processing, thereby reducing manufacturing costs and ensuring safe work to prevent safety accidents. will be.

In general, in the continuous annealing process of the cold rolling mill, a coil-shaped scrap is generated in a process of producing a finished product, which is generated in a state of being wound on a sleeve 300 made of cylindrical steel.

1 shows a technique for separating the scrap coil 310 wound on the sleeve 300 from the sleeve 300. This is to use a separate sleeve jig (312) jig (312), the worker first peels off a certain amount of scrap 310 from the sleeve 300, the inner side of the sleeve 300 of the circular structure After inserting the sleeve separating jig 312, the upper portion of the jig 312 protruding from the sleeve 300 is hoisted by the overhead crane 320 or the like to the sleeve 300 by the weight of the scrap coil 310. Since the scrap coil 310 was to be separated.

However, the conventional separation of the scrap coil 310 and the sleeve 300 as described above work with a high risk of safety accidents in the process of separating the scrap coil 310 from the sleeve 300 by the operator Was to avoid. In addition, since the work of inserting the jig 312 into the inside of the steel sleeve 300, and lifting it to the crane 320 is also a large workload because it is to handle the weight.

Therefore, conventionally, due to such an operation, the scrap coil 310 is wound and the sleeve 300 is not separated and recycled, and thus, the scrap coil 310 and the sleeve 300 are all treated with scrap, thereby producing cold-rolled products. It was a cost increase.

The present invention is to solve the above-mentioned conventional problems, it is possible to safely separate the scrap coil and the sleeve by the unattended automation to remove all the steel sleeve from the scrap coil, thereby reducing the cost in the manufacturing process The purpose is to provide an improved automatic separation device of the scrap coil and sleeve to prevent the accident of the operator of course.

1 is an explanatory view showing an automatic separation method of a scrap coil and a sleeve according to the prior art;

2 is an external perspective view showing an automatic separating device of a scrap coil and a sleeve according to the present invention;

3 is a perspective view showing the appearance of the scrap release portion provided in the automatic separation device of the sleeve and the scrap coil according to the present invention;

Figure 4 is a perspective view showing the configuration of the side preventive portion provided in the automatic separation device of the sleeve and the scrap coil according to the present invention;

5 is an external perspective view showing a shape measuring unit provided in the automatic separation device of the scrap coil and the sleeve according to the present invention;

6 is an exploded view showing the appearance of the shape measuring unit provided in the automatic separation device of the scrap coil and the sleeve according to the present invention;

7 is an external perspective view showing the configuration of the shape correction portion and the cutting portion provided in the automatic separation device of the scrap coil and the sleeve according to the present invention;

8 is a detailed view of the shape correction unit provided in the automatic separation device of the sleeve and the scrap coil according to the present invention;

9 is a detailed view showing the configuration of the roller gate provided in the automatic separation device of the scrap coil and the sleeve according to the present invention;

10 is a detailed operation of the automatic separation device of the scrap coil and the sleeve according to the present invention.

<Description of Symbols for Main Parts of Drawings>

5a, 5b .... cradle roll 10 ..

14 .... bearing block 16 .... chain

22 .... photo sensor 28 .... rotating plate

32 .. Hydraulic cylinder 35 .. Lateral support

38a, 38b ... Roller Guide 44 .... Submotor

48 .... Nut block 56 .... Laser sensor

59 .... Submotor 63 .... Magnetic Conveyor Belt

67a, 67b .... position meter 70 .... shape measuring part

76 .... support rod 80 .... submotor

83 .... Straightening Roll 90 .... Motor

96 .... bearing block 102 .... crossbar

110 .... support bar 112 .... guide bar

120 ... cut 122a, 112b knives

130 .... Vertical Base 140 .... Roller Gate

142 .... Support Roller 200 .... Controller

300 .... sleeve 310 .... scrap coil

312 .... jig 320 .... overhead crane

In order to achieve the above object, the present invention, in the device for automatically separating the sleeve from the coil coil wound, the scrap coil is provided with a plurality of cradle rolls on the upper side, and rotates the motor A scrap release portion for rotating the scrap coil on the cradle roll to release the scrap coil from the sleeve; Shape measuring to measure the shape of the scrap coil having a magnetic conveyor belt located on the downstream side of the scrap release portion, the scrap is attached to the upper surface and moved, and provided with a plurality of touch rollers and position meters for measuring the shape of the scrap coil. part; A shape corrector having a plurality of shape correction rolls positioned on the downstream side of the shape measurement unit and movable up and down, and having a motor for driving the shape correction rolls to correct the corrugated scrap into a flat shape; and Scrap cutting portion having a plurality of upper and lower cutting knives for cutting the scrap to a predetermined length located on the downstream side of the shape correction portion; including automatically scraping the scrap coil on the sleeve and the sleeve coil By providing a separation device.

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

The automatic separation device 1 of the scrap coil and the sleeve of the present invention automatically separates the scrap coil 310 from the sleeve 300, as shown generally in FIG. 2, and the scrap coil 310 to a predetermined size. Cutting and discharging, the separated iron sleeve 300 is to be stored separately.

To this end, as shown in FIGS. 3 and 4, the automatic separation device 1 of the scrap coil and the sleeve according to the present invention includes a plurality of cradle rolls 5a and 5b on which the scrap coil 310 is placed on the upper side. And a motor (7) for rotating it, the scrap release portion for rotating the scrap coil 310 on the cradle roll (5a) (5b) to release the scrap coil 310 from the sleeve 300 Have (10).

The scrap unwinding unit 10 is a device for rotating the scrap coil 310 when the coil-type scrap coil 310 is seated on the pair of cradle rolls 5a and 5b by using the crane 320. Two cradle rolls 5a, 5b rotatable on 12 and a motor 7 for rotating them.

The two cradle rolls (5a) (5b) are made of a polyurethane (polyurethane) material so that the rotation is made smoothly while being in close contact with the scrap coil 310, and is fixed to the bearing block (14) on both sides and rotates The bearing block 14 is mounted on a base 12 which is inclined at approximately 15 ° towards the center.

The cradle rolls 5a and 5b are driven by the rotation of the chain 16 by the power of the motor 7 provided on one side of the upper side of the base 12. For this purpose, the sprocket portion of the cradle rolls 5a and 5b rotates. The wheel 17a is installed, and the sprocket 17b is also installed on the output shaft of the motor 7 and connected to each other by the chain 16, thereby achieving the rotation of the cradle roll 5b.

The motor 7 is provided with a small base 7a separately on the base 12 of the cradle rolls 5a and 5b, and a guide table is provided on the exit side of the base 12 for a stable mail order. 20 is provided, and a photo sensor 22 is installed at the shaft side of the base 12 to detect the front end / rear end of the scrap coil 310.

Meanwhile, when the scrap coil 310 is removed from the sleeve 300 in the scrap release part 10, the sleeve 300 automatically rolls to the sleeve box 26 provided at the other side of the base 12. One side of the base 12 provides a swivel plate 28.

In addition, the rotating plate 28 is one cradle roll (5a) is mounted on the upper surface, one side thereof is connected to the base 12 to rotate 45 ° by the hinge shaft 30, the rotating plate Under the 28, two hydraulic cylinders 32 are provided on both sides.

The sleeve box 26 is sized to accommodate four sleeves 300 to simultaneously transport four at a time by using a forklift, and the hydraulic cylinder 32 has a force of up / down force The upper part is fixed to the rotating shaft (32a) for dispersion is configured to operate up and down smoothly.

Meanwhile, when the outer diameter of the scrap coil 310 is small or the scrap coil 310 is released from the sleeve 300 and the outer diameter gradually decreases to about 700 mm or less, the scrap unwinding portion 10 has a small diameter. The side support part 35 for supporting the scrap coil 310 is provided.

The lateral support 35 is disposed between the cradle rolls 5a and 5b, as shown in detail in FIG. 4, and a pair of roller guides 38a and 38b ascended therein are raised. As the diameter of the scrap coil 310 and the sleeve 300 can be moved, the outer diameter measuring photo sensor 40 is installed at the rear side of the base 12 to the scrap coil 310 Measure the diameter of, and when the diameter is 700mm or less is to allow the side support 35 to operate.

On the other hand, the lateral support portion 35 shown in Figure 4 serves to prevent the vibration of the small diameter scrap coil 310, three plates (Plate) located in the lower portion of the cradle roll (5a) (5b) ( The roller guides 38a and 38b which have 42a, 42b and 42c and which are movable forward and backward on the upper plate 42a are driven by the power of the sub-motor 44 provided on one side. The nut blocks 48 are positioned at the lower ends of the nut blocks 48 so as to move from side to side by the rotation of the screw.

Each of the screw shafts 46 has a right screw portion and a left screw portion formed on the center thereof, and the nut block 48 is coupled to the right screw portion and the left screw portion to operate the roller guide 38a (operation of the sub-motor 44 ( 38b) are movable in opposite directions.

In addition, double L-M guides 50 are provided on both sides of the nut block 48 so as to stably support the sleeve 300 even with a large force.

The roller guides 38a and 38b have a cylindrical sleeve member 52 fitted to the shaft 54 through a bearing (not shown) so that the roller guides 38a and 38b smoothly rotate about the shaft 54. A laser sensor 56 is installed on the upper portions of the 38a and 38b to measure the width of the sleeve 300 inserted into the inner diameter of the scrap coil 310.

The side support part 35 is fixed to the upper plate 42a and the central plate 42b on which the roller guides 38a and 38b are installed as bolts 58, and the up / down (up / down) down) A submotor 59 for operation is installed on the lowermost plate 42c, and the upper plate 42a and the center plate 42b prevent vibrations when the upper plate 42a and the central plate 42b are moved up and down by the operation of the submotor 59. The guide bars 60 are fixed to four sides of the lower plate 42c so that four guide bars 60 are fitted in the holes 60a of the four sides of the intermediate plate 42b.

That is, the side support part 35 is provided with a sub-motor 59 at the center of the lower plate 42c to operate the upper roller guides 38a and 38b up and down, and the screw shaft 59a on the shaft. Is provided, and the tip of the screw shaft 59a is screwed to the center of the intermediate plate 42b.

Therefore, forward and reverse rotation of the sub-motor 59 is to raise and lower the middle plate 42b and the upper plate 42a through the screw shaft 59a.

In addition, the present invention has a magnet conveyor belt (63) which is located on the downstream side of the scrap loosening portion 10 and the scrap coil 310 is attached to the upper surface and moved, and measures the shape of the scrap coil (310) And a shape measuring unit 70 for measuring the shape of the scrap coil 310 by providing a plurality of touch rollers 65a, 65b and position meters 67a, 67b. The shape measuring unit 70 has a magnet conveyor belt 63, as shown in FIG. 5, to smoothly move and measure the shape of the scrap coil 310, and a plurality of rubber magnets The built-in magnetic force is maintained, and a motor 69 is installed at one side to drive the belt 63 in an endless track shape.

In addition, vertical belts 74 are mounted on both sides of the base 72 to continuously measure the shape of the scrap coil 310 traveling on the belt, on the upper side of the belt 63, and the vertical belts 74. The support rod 76 and the support plate 78 are mounted to cross the surface, and a plurality of position meters 67a and 67b for measuring the shape of the scrap coil 310 are installed at the upper portion of the support plate 78.

The two position meters 67a and 67b interact with the sub-motor 80 and the touch rollers 65a and 65b connected to the support rod 76 and the shaft 80a. As shown in detail in FIG. 6, two position meters 67a and 67b disposed on the top face are provided at intervals of approximately 200 mm.

In addition, the piano wires 68 coming from one side of the position meters 67a and 67b are formed on the upper sides of the touch rollers 65a and 65b integrally mounted to the supporting rods 76, respectively. ) To detect the amount of displacement of the touch bar 66 through the piano wire 68.

The touch bar 66 is intended to accurately measure the shape of the scrap coil 310 by reducing the weight as much as possible, which is made of light aluminum, and is integrally keyed and coupled to the support rod 76.

The sub-motor 80 that rotates the support rod 76 at an angle is installed on one vertical stand 74 to rotate the support rod 76 so as to be rotatable to the touch bar 66. 65a) 65b serve to move up / down so as to lie on the upper surface of the scrap coil 310 moving its lower side.

In addition, the present invention includes a plurality of shape correction rolls 83 which are located on the downstream side of the shape measuring unit 70 and move up and down, and include motors 85 that drive the shape correction rolls 83. The shape correction part 82 which correct | amends the scrap coil 310 of a corrugated shape to a flat shape is provided.

As shown in FIGS. 7 and 8, the shape correction unit 82 is positioned on the upper side of the plurality of upper and lower correction rolls 83, the driving motor 85 for rotating them, and the correction roll 83. And lifting / lowering motors 90 for lifting and lowering the upper roll unit 87.

The straightening roll 83 has three rolls installed at a lower portion thereof on a fixed base 92, and is mounted on both sides of each roll 83 so as to be rotatable by mounting a bearing block 94. One side of the rolls 83 is provided with a drive motor 85, each of the rolls 83 is made of a still roll (chrome rolled) on its outer surface.

On the other hand, the upper roll unit 87 disposed on the upper side of the calibration roll 83 is composed of two rolls, both sides of which are used integral bearing blocks 96, and one side is equipped with sub-motors 85 And the upper rolls 83 have a shape disposed between the lower rolls 83, respectively, as shown in cross section in FIG.

In addition, the upper / lower motor 90 for raising and lowering the upper roll unit 87 is provided, and the raising / lowering motor 90 is provided on both sides of the frame 100 on which the bearing blocks 94 are mounted. Mounted on the crosspiece 102 that connects the top, the shaft 90a extends through the gearbox 106 to the lower side of the crosspiece 102 so that the screw shaft 108 extends.

In addition, the screw shaft 108 is screwed to pass through the support bar 110 that connects the bearing block 96 of the upper roll unit 87 on the lower side of the crosspiece 102 is the lifting / lowering motor ( The operation of 90 rotates the screw shaft 108 through the gearbox 106, which is rotated while being screwed to the support bar 110 to raise and lower the upper roll unit 87, and the upper roll. The unit 87 is configured to allow the guide bar 112 extending from the bearing block 96 to the upper side to penetrate the vertical frame 100 in order to prevent rotation and rocking during lifting.

In addition, the present invention provides a scrap cut portion 120 having a plurality of upper and lower cutting knives 122a and 122b which are positioned on the downstream side of the shape correcting portion 82 and cut the scrap coil 310 to a predetermined length. Equipped. The cutting unit 120 is a device for cutting the scrap coil 310 in the form of a sheet (sheet), which is provided with a fixed knife 122a at the top and a knife 122b operated up and down at the bottom. As shown in FIG. 7, the scrap coil 310 is cut between the LM guide 132 installed on the vertical base 130 while being operated up and down by the force of the hydraulic cylinder 125.

In addition, a bakelite plate 135 having a groove 135a formed therein and a roller gate 140 are installed on the downstream side of the cut portion 120 so that the cut scrap coil 310 is smoothly discharged.

The roller gate 140 is a rotatable mounting of the plurality of support rollers 142 at the exit side of the cutting unit 120, as shown in Figure 9, the fixing plate 145 is mounted with the support rollers 142 One side of the inclined cylinder 147 is to adjust the angle of inclination of the support roller 142 by adjusting the angle.

On the other hand, the present invention as described above, the motor 7, 44, 59, 69, 80, 85, 90, the drive source and the sensor 22, such as the cylinders 32a, 125, 147 A controller 200 is provided that is electrically connected to the 40, 56, 67a, 67b and automatically controls them.

When the automatic separation device 1 of the scrap coil and the sleeve 1 according to the present invention configured as described above is deemed defective or defective in the inner winding part of the scrap coil 310 and determined that normal operation is impossible, this is a payoff reel (POR). (Not shown) and is mounted on the cradle roll (5a) (5b) using a crane (320) is ready for work.

When the driver turns on the controller 200, the cradle roll driving motor 7 is operated as shown in FIG. 10, and the cradle rolls 5a and 5b are rotated while the chain 16 rotates. This rotation rotates the scrap coil 310 seated on the cradle rolls 5a and 5b, while the open tip of the scrap coil 310 is located in the front / rear end sensor 22 and detected. When the tip is detected by the photosensor 22 in this way, the controller 200 operates the motor 69 of the magnet belt 63 to drive the conveyor belt 63.

Therefore, the tip of the scrap coil 310 is moved along the conveyor belt 63 due to the continuous rotation of the cradle rolls 5a and 5b and the attachment force of the magnetic conveyor belt 63, and the shape measuring unit 70. Will pass).

Meanwhile, the controller 200 operates the motor 80 of the shape measuring unit 70 so that the touch rollers 65a and 65b come into contact with the upper surface of the scrap coil 310 on the belt 63. As the two touch rollers 65a and 65b rotate along the curved shape of the coil 310, the touch bars 66 are shaken according to the shape of the scrap coil 310, and these are position meters 67a and 67b. By causing the movement of the piano wire 68, the shape (wave height) of the scrap coil 310 is measured by the position meters 67a and 67b.

The measured value is calculated by averaging the two measured values in the controller 200 to transmit the amount of crest to the shape correction unit 82, the shape correction unit 82 according to the amount of crest of the scrap coil 310 Is positioned so that the upper roll unit 87 is moved up / down by +3 mm to -3 mm by the drive motor 90.

In this state, the rolls 83 are rotated to straighten the uneven shape of the scrap coil 310 passing therebetween.

That is, the controller 200 causes the rolls 83 of the shape correction unit 82 to be driven in this way so that the shape of the scrap coils 310 is moved to the cutting unit 120 in a state where the shape of the scrap coils 310 is constantly corrected.

On the other hand, in the cutting unit 120, the hydraulic cylinder 125 is operated to cut to a certain size so that the lower knife (122b) is raised and lowered, when the scrap coil 310 cut to a length of approximately 1m when cutting 10 pieces Each time, the lifting cylinder 147 of the roller gate 140 is operated to change the inclination angle of the support roller 142 to be evenly stacked in the scrap box 210.

On the other hand, when this operation is progressed, the scrap coil 310 is cut into sheets and gradually the outer diameter of the scrap coil 310 is reduced to an outer diameter of 700mm or less, the outer diameter installed on the side rear end of the scrap release portion 10 When the measuring photosensor 24 detects this and transmits it to the controller 200, the controller 200 measures the width of the sleeve attached to the upper roller guides 38a and 38b under the cradle rolls 5a and 5b. The submotor 44 for moving the roller guides 38a and 38b is operated so that the laser sensor 56 measures the width.

As such, when the width of the sleeve 300 is measured while the roller guides 38a and 38b to which the laser sensor 56 is attached are opened, the controller 200 calculates the width of the sleeve 300 to be larger than the width of the sleeve 300. Let it stop after 10mm more open.

Thereafter, the motor 59 of the side support part 35 is operated so that the roller guides 38a and 38b are raised, and the center portions of the roller guides 38a and 38b are raised to the position of both ends of the sleeve 300 ( up) and then stop. Subsequently, when the roller guides 38a and 38b are moved by 10 mm in response to a signal by the operation of the motor 44, the roller guides 38a and 38b vertically support both ends of the sleeve 300. Becomes

In such a case, the scrap coil 310 and the sleeve 300 are supported in the lateral direction to support the left and right swings of the sleeve 300 generated as the sleeve 300 rotates on the cradle rolls 5a and 5b. The separation is prevented on the cradle rolls 5a and 5b.

Meanwhile, when the scrap coil 310 is separated from the sleeve 300 and the front / rear detection sensor 22 detects the rear end of the scrap coil 310, the controller 200 stops each driving source in turn, respectively. Is located in the home position, the up-down cylinder 32 provided on one side of the cradle rolls (5a) (5b) is lowered to roll the sleeve 300 to the box (222) by tilting the pivoting plate 28 outward. do.

As described above, according to the present invention, when the scrap coil 310 is seated by a crane on a cradle roll, when the outer diameter of the scrap coil 310 decreases according to the outer diameter measurement value of the outer diameter measuring sensor, the roller guide 38a is used. (38b) is raised to be released in the state of correcting the left and right swing of the scrap coil (310). Then, the shape of the scrap coil 310 is measured by the shape measuring unit 70, and according to the degree of the shape (wave height, wavelength) of the scrap coil 310, the shape correction portion 82 automatically of the scrap coil 310 After flattening the shape, the cutting part 120 cuts into these sheet shapes.

In addition, the sleeve 300 from which the scrap coil 310 is removed is collected and recycled to the other side.

As such, according to the present invention, the sleeve 300 is easily separated from the scrap coil 310 to be reused to achieve a reduction in manufacturing cost and a safe operation, thereby improving the effect of preventing a safety accident.

Claims (6)

In the device for automatically separating the sleeve 300 from the coil coil wound coil 310, The scrap coil 310 is provided with a plurality of cradle rolls (5a) (5b) on the upper side, and has a motor (7) for rotating it, the scrap coil (310) on the cradle rolls (5a) (5b) A scrap release portion 10 to rotate the scrap coil 310 to be released from the sleeve 300; A touch roller 65a having a magnet conveyor belt 63 positioned on the downstream side of the scrap release portion 10 and attached to the upper surface of the scrap coil 310 to move the scrap coil 310, and measuring the shape of the scrap coil 310. A shape measuring unit 70 having a plurality of blades 65b and position meters 67a and 67b to measure the shape of the scrap coil 310; It is provided with a plurality of shape correction rolls 83 located on the downstream side of the shape measuring unit 70 and movable up and down, and provided with a motor 85 for driving the shape correction rolls 83. Shape correction unit 82 for correcting the scrap coil 310 to a flat shape; And A scrap cut portion 120 having a plurality of upper and lower cutting knives 122a and 122b positioned on the downstream side of the shape correction portion 82 and cutting the scrap coil 310 to a predetermined length. Automatic separation device of the scrap coil and sleeve, characterized in that for automatically separating the scrap coil 310 on the 300. According to claim 1, The cradle roll (5a) (5b) is driven by the chain 16 is rotated by the power of the motor (7) provided on one side of the upper side of the base 12, for this purpose, 5b) the sprocket wheel 17a is provided at the neck portion, and the sprocket 17b is also installed at the output shaft of the motor 7 so as to be connected to each other by the chain 16 to achieve the rotation of the cradle roll 5b. Automatic separation of scrap coils and sleeves. According to claim 1, The scrap loosening portion 10 is provided with a side support portion 35 so as to catch the swing of the scrap coil 310 and the sleeve 300 when the outer diameter of the scrap coil 310 is reduced, The lateral support part 35 is provided with roller guides 38a and 38b which are movable by the motor 44 in directions opposite to each other and which can be lifted and lowered by the operation of the sub-motor 59. And the automatic separation device of the scrap coil and the sleeve, characterized in that for supporting the side of the sleeve (300). The position meters 67a and 67b of the position meter are connected to each touch bar 66 formed at an upper side of the touch rollers 65a and 65b. The amount of lift / fall of the bar 66 is sensed through the piano wire 68, and the touch bar 66 is made of aluminum to reduce the maximum weight, and is integrally keyed to the support rod 76. Automatic separation device of the scrap coil and sleeve, characterized in that. According to claim 1, wherein the shape correcting portion 82 is a plurality of upper and lower correction rolls 83, the drive motor 85 for rotating them and the upper roll unit located on the upper side of the correction roll 83 ( 87, which includes lifting and lowering motors 90 for lifting and lowering, the lifting and lowering motors 90 mounted on a crosspiece 102 that connects the upper ends of the frame 100 on which the bearing blocks 94 are mounted. The shaft 90a has a support bar for extending the bearing shaft 96 of the upper roll unit 87 by extending the screw shaft 108 through the gearbox 106 to the lower side of the crosspiece 102. Screw-coupled to (110), the automatic separation device of the scrap coil and the sleeve, characterized in that to achieve the lifting and lowering of the upper roll unit (87). The inclined cylinder 147 of claim 1, wherein a plurality of the supporting rollers 142 are rotatably mounted on the downstream side of the cutting unit 120, and one side of the fixing plate 145 on which the supporting rollers 142 are mounted is provided. Automatic separation device of the scrap coil and sleeve, characterized in that the roller gate 140 is installed to adjust the angle of inclination of the support roller 142 by adjusting the angle.