KR20100076423A - The equipment and method of the steel wire's removing into the waste tire used induction heating - Google Patents

Abstract

PURPOSE: An apparatus for separating steel wire of a waste tire by high frequency induction heating is provided to remove steel wire in advance and to save production cost. CONSTITUTION: An apparatus for separating steel wire of a waste tire comprises: a frame(100); a compressing roller(210) for transferring the waste tire(10) by compressing and rotating; a guide transport unit(200) comprising a guide rail(230) which guides transport direction of the waste tire; a cutting unit(300) which is fixed at an inlet(110) of the frame and cuts the end side of the waste tire; and a reverse pressurizing roller(400).

Description

Iron core separation device and method for waste tire using high frequency induction heating {THE EQUIPMENT AND METHOD OF THE STEEL WIRE'S REMOVING INTO THE WASTE TIRE USED INDUCTION HEATING}

The present invention relates to an iron core separating apparatus and method for waste tires using high frequency induction heating, and more particularly, an inverted waste tire is wound around the outer side of a reverse compression roller, and a high frequency induction heating portion around the iron core embedded in the waste tire is used. The present invention relates to an iron core separating apparatus and method for using a high frequency induction heating to separate iron cores from waste tires after breaking through them.

In general, various apparatuses and methods have been proposed to separate iron cores embedded in waste tires. In the related art, a method of treating waste tires with a rubber layer and iron cores in waste tires has been proposed.

Looking at this in detail, by using a process installed a number of facilities such as crusher, crusher, crusher, transfer equipment, storage equipment, sorting device, finely crushed the rubber and the iron core of the waste tire together and then remove unnecessary iron powder Screening is done using magnetic force.

However, in order to finely grind all the iron cores embedded in rubber, enormous equipment costs and production costs are required, and large equipment spaces and other spaces are required, and the wear of the equipment is severe.

On the other hand, in order to increase the price competitiveness, most of the rubber pulverized with rubber particles of 5mm ~ 100mm (more than 70% of the waste tire) is used for thermal recycling without fine grinding. There is a problem that air pollution is increasing.

In general, the inner surface of the tire has a built-in iron core in order to increase the strength of the tire and to prevent damage, and in the modern age of automobiles, waste tires that have reached the end of their life as tires have become the main culprit of pollution.

Conventionally, since iron cores are separated by heating the waste tires to separate the iron cores embedded in the waste tires and then reusing them, the cores are separated. The raw rubber is burned in a heating furnace, which causes a waste of raw materials. There was a problem that causes air pollution due to the smoke generated during.

In addition, the conventional method of recycling waste tires has been used for the purpose of cutting the tire in half and then used for decoration, there was a problem that can not expect more effects.

However, the above method cannot completely extinguish the waste tires in the current generation, and waste rubber and iron cores are used to separate the rubber and iron cores of the waste tires to recycle rubber and iron cores respectively. The method is a big problem.

According to the present invention, by eliminating the iron core in advance before the grinding process of waste tires by using horizontal blades, it is possible to omit unnecessary processes, save power costs, and reduce production costs in the grinding process of the remaining waste tires. Since there is no problem in procurement, it is possible to supply low-cost recycled tire recycled rubber materials to consumers who are suffering from rising raw material prices, so that economic and environmental problems can be solved at the same time. There is a purpose.

The present invention to achieve the above object is a frame; A guide conveying unit installed on the frame, the pressing roller configured to compress and fix the waste tires by pressing or rotating them, and a guide rail configured to guide the conveying direction of the waste tires; A cutting part fixed to one side of the frame to cut a cross section of the waste tire; A reverse compression roller installed on the other side of the frame and configured to turn over the waste tires transferred through the guide rails and to be wound on an outer circumferential surface thereof; A high frequency induction heating unit installed on the frame to face the inverted waste tire of the reverse compression roller and destroying the periphery of the iron core inside the waste tire through high frequency induction heating; It is provided on one side of the reverse pressure roller, the blade portion for cutting and separating the iron core from the waste tire; characterized in that it comprises a technical feature.

Here, the present invention preferably further comprises: a center indicator connected to one side of the frame to guide the position where the waste tire is transported to irradiate a guide beam to the center of the outer circumferential surface of the waste tire.

Here, the reverse compression roller is characterized in that the fixing pin is formed on the outer circumferential surface spaced apart so that the waste tire is embedded.

Here, the reverse compression roller, it is preferable that the outer surface is intaglio processing so that the inverted waste tire is fixed tightly on both sides.

Here, the reverse compression roller, it is preferable that the hydraulic cylinder formed with a compression spring is formed on one side, so that the inverted waste tire is not restored to the elastic force.

Here, the high frequency induction heating unit, 200,000c.p.s. It is desirable to generate a frequency of ˜1,500,000 c.p.s.

Here, the high frequency induction heating unit, the oscillator for providing power; An output transformer connected to the oscillator to convert alternating current into series; A work coil generating a high frequency by the output transformer; It is preferable that the cooling circuit is connected to the oscillator, the output transformer, the work coil to prevent heat generation of each device.

The present invention seats the waste tire to the rotary working plate to remove the bead wire, bead wire removing step of removing the bead wire using a bead wire blade; Cutting the waste tire with a cutting roller installed at the frame inlet side after pressing the waste tire with the pressing roller installed at the frame inlet side; A reverse fixing step in which the waste tire is inverted and transferred through a guide roller and coupled to an outer circumferential surface of the reverse compression roller; An induction heating step in which the high frequency induction heating unit spaced apart from the waste tire is heated and destroyed by heating the periphery of the iron core embedded in the waste tire through high frequency induction heating; It is preferably made, including; a core portion separating the rubber layer and the iron core of the waste tire with a blade portion formed on one side of the reverse compression roller.

Here, in the reverse fixing step, it is preferable to adjust the center light and the fixed pin indicator light provided on the frame and the center line of the outer surface of the waste tire so as to guide the position by which the waste tire is transported.

Here, the induction heating step, the high frequency induction heating unit 200,000c.p.s. It is desirable to generate a frequency of ˜1,500,000 c.p.s.

The present invention has the effect of eliminating unnecessary processes in the grinding process of the remaining waste tires and saving production costs by separating and removing the iron cores in advance before the grinding process of the waste tires by using the rotary working plate and the horizontal blade. The company can supply waste tire recycling rubber materials, solve economic and environmental problems at the same time, and expand the use of waste tire recycling in the future.

1 is a cross-sectional view of an iron core separator of waste tires using high frequency induction heating according to the present invention.

As shown, the present invention is the frame 100, the guide feeder 200, the cutting unit 300, the reverse compression roller 400, the high frequency induction heating unit 500, the blade 600 This is done.

First, the frame 100 is made of a metal material of high rigidity, both sides are formed to be open, one side is formed inlet side 110 is a waste tire is introduced, the other side waste tire and iron core is separated The outlet side 130 is collected separately.

On the upper part of the frame 100 of the inlet side 110, a waste tire to be transported by installing a center indicator light 150 for irradiating the guide line when cutting the waste tire to the cutting unit 300 to be described later is centered around the center line To ensure a balanced transfer.

Next, the guide conveying unit 200 is a pressurized roller 210 for pressing the inside and the outside of the waste tire 10 to be transferred, and the waste tire from the inlet side 110 of the frame 100 to the outlet side 130 ( 10) consists of a guide rail 230 for guiding the route.

The pressing roller 210 is installed a plurality of spaced apart along the section in which the waste tire 10 in the frame 100 is transported, the upper compression roller 211 and the lower compression roller 213 is made of a set.

In addition, the upper compression roller 211 is made to adjust the position in the vertical direction to press the outer tread portion 11 of the waste tire 10, the lower compression roller 213 is the inner side of the waste tire (10) To compress the pressure.

And, when cutting the cross section of one side of the waste tire 10 with the cutting unit 300 to be described later, the hydraulic cylinder is moved by the hydraulic cylinder 211a to move the upper compression roller 211 vertically downwards, the waste tire ( After fixing the upper side of 10), cut the cross section of one side of the waste tire (10) with the cutting unit (300).

In addition, when the waste tire 10 is transferred to the outlet side 130 of the frame 100, the pressing roller 210 and the reverse pressing roller 400 each rotate in their own state while the waste tire 10 is fitted. The waste tire 10 is pushed to be transferred to the outlet side 130.

On the other hand, the guide rail 230 is formed on both sides of the lower end of the direction guide rail 231 and the direction guide rail 231 made of a curved rail shape, the side for supporting both ends 13 of the waste tire 10 Directional wing guideway 233 is made.

In addition, a plurality of auxiliary rollers 215 are formed on the lower side of the reverse compression roller 400 to be described later, spaced apart from each other. The waste tire 10 is moved.

The directional guide rail 231 is formed of a rail having a curvature so that the waste tire 10 is inserted to the outside to guide the way in which the waste tire 10 is transferred. In the direction guide rail 231 is made to change the curvature in the reverse direction, at this time, the waste tire 10 is fixed to the fixed pin 410 formed on the outer circumferential surface of the reverse compression roller 400 inverted and locked.

In addition, the side wing guide 233 is formed on the side surface of the direction guide rail 231 so that the direction guide rail 231 is changed in a v-shaped inverted step by step from the unfolded shape in a curved shape, waste tire ( 10) is naturally reversed to guide the fixing pin 410 to be caught.

The side wing flow path 233 has a suitable curvature so that both ends 13 of the waste tire 10 are naturally flipped and wound around the reverse compression roller 400 to be described later, and a jaw is formed at one side of the both ends 13. ) Can be supported.

Next, the cutting unit 300 is composed of a cutting knife 310 installed on one side of the inlet side 110 of the frame 100 and the position adjusting unit 330 for adjusting the position and angle of the cutting knife 310. By aiming the cutting knife 310 at the proper position and angle of the waste tire 10 through the position adjusting unit 330, aiming the portion to be cut of the waste tire 10, and then closing the cutting knife 310 with the cutting knife 310. The cross section of the tire 10 is cut off.

Next, the reverse compression roller 400 inserts the compression spring 480 into the outer diameter of the hydraulic or pneumatic reverse cylinder 490 connected to one side of the outlet side 130 of the frame 100 to the waste tire 10. According to the thickness deviation, the vertical distance is configured to be adjusted by the elastic force of the compression spring 480.

In addition, a plurality of fixing pins 410 are formed on the outer circumferential surface of the reverse compression roller 400 so that the inverted waste tire 10 is fixed and wound so as to be guided by the guide transfer part 200. The tire 10 is naturally inverted to be fixedly coupled to the fixing pin 410.

In addition, when the waste tire 10 is coupled to the fixing pin 410, the waste tire 10 is not biased to one side and the fixing pin indicator light 170 is disposed at one side of the frame 100 so as to be fixed to the center. When the fixed pin indicator light 170 to be irradiated is derailed due to misalignment of the graduation position of the tread portion 11 of the waste tire, the pressing roller 210 is rotated in reverse to fix the pin indicator light 170. This irradiation light is compared with the graduation position of the tread portion, which is the middle portion of the outer circumferential surface of the waste tire 10, and adjusted to be fixed in accordance with the position of the fixing pin 410 on the surface of the reverse compression roller 400. do.

Then, the stopper 430 is installed on the lower portion of the reverse compression roller 400 so that the lowest point of the reverse compression roller 400 does not touch the direction guide rail 230 at the end of work, and shakes when the reverse compression roller 400 moves up and down. The apparatus such as the weight 450 and the auxiliary column 470 installed to prevent the reverse compression roller 400 is connected to the central axis and the iron core 20 so as to perform each process to separate And a strong material such as stainless steel, so as not to be deformed.

Next, the high frequency induction heating unit 500 is to heat the periphery of the iron core 20 using a non-contact heating coil, and the blade unit 600 is a device that separates the iron core 20 from the waste tire 10. Or it consists of a horizontal blade 610 and a vertical blade 630 of cemented carbide.

Cutting the upper peripheral portion of the iron core of the horizontal blade 610 to separate the iron core, the vertical blade 630 is made to cut the left and right peripheral portion of the iron core to separate the iron core.

The vertical blade 630 is made of a pair, and is moved to the front and rear and right and left by two small motor 633 connected to the central axis of the screw processing so as to move in both directions and the ring 631 made of steel, In the process of cutting the iron core inside the waste tire 10, the width and depth of the two knives are set in advance, and the waste tire 10 iron core which is transferring the direction guide rail 231 using the vertical blade 630. Continue to pass through the left and right sides of the cutting continuously to the depth of the iron core.

2 is a cross-sectional view of a reverse compression roller of a waste tire core core separating apparatus using high frequency induction heating according to the present invention.

As shown, the reverse compression roller 400 is the outer side 401 of the reverse compression roller 400 to accommodate the load of the side generated from the shoulder 12, both ends of the waste tire 10 to solve the elastic force ) Is formed to be engraved.

And, the auger pin 410 formed on the outer side of the reverse compression roller 400 is turned over the waste tire 10 to be transferred, the outer side of the tread portion 11 of the waste tire 10 is inward, the inner inner liner 11 ') Is the outer side, the side wall 15 of the side is turned upside down and deformed in the reverse v-shape on the inner peripheral surface of the reverse compression roller 400, a strong restoring force is generated inside.

In order to maintain the deformed posture and move, the reverse compression roller 400 inserts the compression spring 480 into the outer diameter of the hydraulic reverse cylinder 490 assembled up and down according to the variation of the thickness of each waste tire 10. Adjust the height.

Then, the stopper 430 is installed so that the lowest point of the reverse compression roller 400 does not touch the direction guide rail 231 at the end of work, and in order to prevent the shaking during the lifting of the reverse compression roller 400, the weight weight 450 And a reverse compression roller 400 in which the devices, such as the auxiliary column 470, are connected to the central axis 403, and use these devices to separate the iron core 10, etc., and each device is made of iron, stainless, or the like. It is a strong material and is constructed so that it is not deformed.

In addition, the inverter motor 453 is connected to the central shaft 403 to rotate the central shaft 403, and prevents the inverter motor 453 from being biased to one side due to the weight of the inverter motor 453. A weight 450 for balancing the position symmetrical with) is installed, the roller cooling water (571) of the reverse compression roller 400 is installed.

Figure 3 is a cross-sectional view of the blade portion of the waste tire iron core separation apparatus using high frequency induction heating according to the present invention.

As shown, the blade portion is composed of a horizontal blade 610 and the vertical blade described in Figure 1, here will be described in more detail with respect to the horizontal blade (610).

The horizontal blade 610 is an intermediate plate 669 in which the horizontal blade 610 is exposed between the upper guide plate 661 of the insulating material and the lower guide plate 662 of the insulating material is the end of the waste tire 10. It is inserted into the bracket 664 bent in a 'c' shape on both sides of the front lower end to move the horizontal blade 610 back and forth, and to support the horizontal blade 610 to prevent the left and right shake during operation.

Then, the blade 600 is connected to the central axis 666 of the small motor 667 and the intermediate plate 669 at the bottom is inserted into the moving ring 665 to move back and forth, the direction guide rail 231 on both sides It is positioned at the top of the intermediate plate 669 which is inserted into the fixed column and fixed to the rotatable horizontal axis 663.

Then, the blade portion 600 is assembled with the penetrating holes on the rear side of the intermediate plate 669 and the long screw 668 fixed to the bottom of the guiding rail to adjust the vertical height of the intermediate plate 669 to adjust the angle of the horizontal blade. And to adjust the position.

In addition, the horizontal blade 610 to cut between the rubber layer and the iron core, the separated waste tire 10 continues to move the direction guide rail 231, the separated iron core is guided to the guide plate through the outlet side long It is cooled while being attracted to the cooling water tank 71.

On the other hand, the waste tire 72 from which the iron core is separated is fixed while the fixing pin inserted into the restoring force of the waste tire on the waste tire discharge port side is naturally discharged.

Figure 4 is an enlarged view of the high frequency induction heating unit of the iron core separator of the waste tire using the high frequency induction heating according to the present invention.

As shown, the high frequency induction heating unit 500 includes an oscillator 510, an output transformer 530, a work coil 550 for generating a high frequency, and a coolant circulation device 570 that can prevent heat generation. .

The oscillator 510 supplies power capable of generating a frequency required for the work coil 550, and the output transformer 530 converts an alternating current into direct current to be transmitted to the work coil 550.

In addition, the work coil 550 is heated by heating the iron core 20 of the thin thickness embedded in the waste tire 10 rapidly to a temperature of 200 ℃ ~ 500 ℃ using a non-contact induction heating method (10) It destroys the material of the adhesive layer and the rubber layer 40 surrounding the surface of the) and so that most of the remaining rubber material can be less affected.

The work coil 550 is formed of a coil having a suitable thickness, length, and type, and the cooling water circulator 570 prevents the output transformer 530 from being heated, and the rail cooling water on the directional guide rail 231. 571 is installed to the left and right to cool the facility and the waste tire 10.

The high frequency induction heating using the work coil 550 is to convert electricity into heat, using a high frequency induction heating device, waste tires in the work coil 550 installed outside the open lower end of the direction guide rail 231 ( 10) sets the rate at which the iron is conveyed, and rapidly heats the iron core of the thin thickness embedded in the waste tire 10 to a temperature of 200 ° C to 500 ° C.

Hereinafter, the iron core separation method of the waste tire using high frequency induction heating will be described.

The device for separating the iron core 20 according to the present invention is a bead wire removal step of removing the bead wire 6 from the waste tire 10, a cutting step of cutting one end surface of the waste tire 10, and the inverted lung The tire 10 is wound by a reverse compression roller 400, the reverse fixing step is fixed and the induction heating step induction heating coil and iron core separation step of separating the iron core 20 using a cutting knife.

5 is a cross-sectional view of the bead wire removing device for removing the bead wire which is a pre-process of the iron core separating apparatus of the present invention.

As shown in the drawing, the present invention undergoes a bead wire removal step of removing the bead wire 6 in a linear process before separating the iron core 20 by the iron core separator, and in this step, the bead wire removal apparatus is used. The bead wire removal device is a waste tire 10 to the center of the rotary working plate 3 by using a chuck (2) consisting of six to eight moved from the center installed on the rotary working plate (3) to the outside. Be sure to mount.

The bead, which is a steel wire inserted into the side of the waste tire 10 that rotates on the rotary working plate 3, is used to adjust the position by moving the trimming machine 9 up, down, left and right, and using the cutting wire 7 for the bead wire. Cut the wire (6).

Next, in the cutting step, after pressing the inside and the outside of the waste tire 10 with the pressing roller 210 formed of the upper pressing roller 211 and the lower pressing roller 213 installed on the inlet side of the frame, the frame ( 100) to cut the cross section of the waste tire with a cutting unit 300 installed on one side.

Next, in the reverse fixing step, the waste tire is turned upside down through the guide roller and wound around the outer side of the reverse compression roller.

At this time, the fixing pin is formed on the outer circumferential surface of the reverse compression roller to maintain the inverted state in response to the elastic recovery force of the waste tire to fix the waste tire.

Then, the tire is adjusted by adjusting the guide line and the center line of the outer surface of the waste tire to be irradiated by the center indicator light 150 and the fixed pin indicator light 170 installed on the frame to guide the position where the waste tire is transported. To be transported.

Next, the induction heating step causes the induction heating unit spaced apart from the waste tire to heat and destroy the periphery of the iron core embedded in the waste tire through high frequency induction heating.

Here, the frequency generated by the induction heating unit is 200,000c.p.s. Non-contact induction heating is made in the range of ~ 1,500,000 c.p.s.

Finally, in the iron core separation step, the iron core and the rubber layer interface are cut and separated through the horizontal blade and the vertical blade of the blade portion so as to separate the rubber layer and the iron core of the waste tire by the blade portion formed on one side of the frame.

After removing the bird wire on the side of the waste tire by using a trimming machine fixed with a rotary working plate and a blade, the waste tire is fixed between the upper pressing roller and the blocking roller at the inlet side and then cut. High frequency that can generate 2Mcycles (200,000cps ~ 15M cycles (1,500,000 cps)) by moving the waste tire upside down by attracting between the reverse extrusion roller and the reverse branch using the side wing guideway after fixing with the fixing pin of the pressing roller. Using a non-contact work coil connected to an induction heating device to rapidly heat the thin iron core embedded in the waste tire to destroy the material of the surrounding adhesive layer and the rubber layer, and then use the horizontal blade to remove the iron core. An apparatus and method for separating.

The foregoing has outlined rather broadly the features and technical advantages of the present invention in order to better understand the claims of the invention which will be described later. It should be appreciated by those skilled in the art that the conception and specific embodiments of the invention disclosed may be readily used as a basis for designing or modifying other structures for carrying out similar purposes to the invention.

In addition, such modifications or altered equivalent structures by those skilled in the art as a basis for modifying or designing the structures and embodiments of the invention disclosed in the present invention to other structures for carrying out the same purposes of the present invention are patents Various changes, substitutions and changes may be made without departing from the spirit or scope of the invention as set forth in the claims.

1 is a cross-sectional view of the iron core separator of the waste tire using high frequency induction heating according to the present invention.

Figure 2 is a cross-sectional view of the reverse compression roller of the waste tire iron core separation apparatus using high frequency induction heating according to the present invention.

Figure 3 is a cross-sectional view of the blade portion of the waste tire iron core separation apparatus using high frequency induction heating according to the present invention.

Figure 4 is an enlarged view of the high frequency induction heating unit of the iron core separator of the waste tire using the high frequency induction heating according to the present invention.

Figure 5 is a cross-sectional view of the bead wire removal device for removing the bead wire which is a pre-process of the iron core separation apparatus of the present invention.

** Description of simple symbols for the main parts of the drawings **

10: Waste tire 11: Tread part

13: Both ends 20: Iron core

40: rubber layer 71: cooling water container

72: separated waste tire 100: frame

110: entrance side 130: exit side

150: center indicator 170: fixed pin indicator

200: guide feeder 210: compression roller

211: upper compression roller 211a: air cylinder

213: lower compression roller 215: auxiliary roller

230: guide rail 231: direction guide rail

233: side guide rail 300: cutting part

310: cutting knife 330: position adjusting unit

400: reverse compression roller 410: fixed pin

430: stopper 480: compression spring

490: center indicator 500: high frequency induction heating unit

510: oscillator 530: output transformer

550: work coil 570: cooling water circulator

571: rail cooling water 600: blade portion

610: horizontal blade 630: vertical blade

661: top plate 662: bottom plate

664: bracket 663: small motor

669: intermediate plate 665: movable ring

663: horizontal axis 668: long screw

669: Medium A: Transition Point

Claims (10)

Frame 100; The guide is formed on the frame 100, the compression consisting of a crimping roller 210 for transporting the waste tire 10 by pressing fixed or rotated, and a guide rail 230 for guiding the conveying direction of the waste tire 10 is Sending unit 200; A cutting part 300 fixed to the inlet side 110 of the frame 100 to cut a cross section of the waste tire 10; A reverse compression roller 400 installed at the outlet side 130 of the frame 100 and configured to turn over the waste tire 10 transferred through the guide rail 230 to be wound on an outer circumferential surface thereof; High frequency induction is installed on the frame 100 to face the waste tire 10 wound on the reverse compression roller 400, and destroys the periphery of the iron core 20 inside the waste tire 10 through high frequency induction heating. Heat portion 500; Is installed on one side of the reverse pressure roller 400, the blade portion 600 for cutting and separating the iron core 20 from the waste tire; Iron core separation apparatus of the waste tire using high frequency induction heating, characterized in that it comprises a . The method of claim 1, A center display 150 is connected to one side of the frame 100 so as to guide the position where the waste tire 10 is conveyed, and irradiates a guide beam to the center of the outer circumferential surface of the waste tire 10. Iron core separation device of waste tires using high-frequency induction heating, characterized in that. According to claim 1 or 2, the reverse compression roller 400, Iron core separation device of the waste tire using high-frequency induction heating, characterized in that the fixed tire (10) formed so as to be spaced apart and fixed to the waste tire (10). According to claim 1 or 2, wherein the reverse compression roller 400, Iron core separation device of the waste tire using high frequency induction heating, characterized in that the outer surface is intaglio processing so that the inverted waste tire tightly fixed on both sides. According to claim 1 or 2, wherein the reverse compression roller 400, Hydraulic cylinder formed with a compression spring 420 is formed on one side, iron tire separator using high frequency induction heating, characterized in that for supporting the inverted waste tire 10 is not restored to elastic force. According to claim 1 or 2, The high frequency induction heating unit 500, 200,000c.p.s. Iron core separation device of waste tires using high frequency induction heating, characterized in that to generate a frequency of ~ 1,500,000c.p.s. According to claim 1 or 2, The high frequency induction heating unit 500, An oscillator 510 for providing power; An output transformer 530 connected to the oscillator 510 to convert alternating current into series; A work coil 550 generating high frequency by the output transformer 530; Separating the iron core of the waste tire using high frequency induction heating, characterized in that consisting of; oscillator 510, output transformer 530, the work coil 550 is connected to the cooling circulation device 570 to prevent heat generation of each device; Device. A bead wire removing step of seating the waste tire 10 on the rotary working plate 4 to remove the bead wire 6, and removing the bead wire by using the bead wire blade 7; Cutting step of cutting the end of the waste tire 10 with a cutting unit 300 installed on the frame inlet side 110 after pressing the waste tire 10 by the pressing roller 210 installed on the frame inlet side 110. ; A backward fixing step in which the waste tire 10 is inverted and transferred through the guide roller 310 and coupled to the outer circumferential surface of the reverse compression roller 400; An induction heating step in which the high frequency induction heating unit 500 spaced apart from the waste tire 10 heats and destroys the periphery of the iron core 20 embedded in the waste tire 10 through high frequency induction heating; The high-frequency induction heating, characterized in that it comprises a; iron core separation step of separating the rubber layer and the iron core 20 of the waste tire 10 with a blade portion 600 formed on one side of the reverse compression roller 400 Iron core separation method of the used tire. The method of claim 8, wherein the reverse fixing step, The center line 150 and the center line of the outer circumferential surface of the waste tire 10 irradiated by the center light 150 and the fixed pin light 170 installed on the frame 10 to guide and adjust the position where the waste tire 10 is transferred. Iron core separation method of the waste tire using high frequency induction heating, characterized in that to adjust to match. The method of claim 8 or 9, wherein the induction heating step, The high frequency induction heating unit 500 is 200,000c.p.s. Iron core separation method using high frequency induction heating, characterized in that to generate a frequency of ~ 1,500,000 c.p.s.

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