KR102215111B1 - Horizontal continuous high frequency heat treatment system - Google Patents

Abstract

The present invention relates to a horizontal continuous high-frequency heat treatment system comprising: a work coil for heating the surface of a bushing by generating an eddy current through electromagnetic induction; a horizontal transfer part spaced apart from a lower part of the work coil, and provided so that the bushing can pass through the work coil while rotating; a cooling unit provided above the horizontal transfer part to spray cooling water onto the surface of the bushing heated by the work coil; and a bushing supply unit disposed adjacent to one side of the horizontal transfer part so that the bushing can be automatically supplied to the horizontal transfer part. The horizontal transfer part can rotate the bushing, thereby uniformly transferring the heat of the work coil to the surface of the bushing. In addition, the present invention can increase productivity by automatically supplying and processing the bushing.

Description

Horizontal continuous high frequency heat treatment system

The present invention relates to a horizontal type continuous high frequency heat treatment system, characterized in that the heat treatment work of the bush can be automated and the surface of the bush can be uniformly quenched.

Induction heat treatment is a heat treatment method used in the case of a concern about deformation by selectively hardening only a part of a material or to obtain heat treatment characteristics of a specific part. At this time, by heating the surface of the material to the quenching temperature through a high-frequency induction coil, and rapidly cooling the surface of the material with a cooling liquid such as water or oil, the mechanical properties of the material can be improved.

For example, Korean Patent Publication No. 10-0918962 discloses a heat treatment apparatus for a metal material that can improve productivity by rotating and transferring a metal material and performing heat treatment.

However, the prior art as described above still has a problem that the bush may be deformed during rapid cooling of the heat-treated bush, and the bush is pushed out by the magnetic field of the induction coil, and a number of defective products are not made due to the uneven processing. .

Republic of Korea Patent Publication No. 10-0918962 (2009.09.18.)

The present invention was conceived to solve the problems of the prior art as described above, and prevents the magnetic field from pushing out the material through a plurality of induction coils formed in a'Z' shape, so that the material can be processed evenly. It has its purpose.

In the horizontal continuous high frequency heat treatment system according to a preferred embodiment of the present invention, a work coil for applying heat to the surface of a bush by generating an eddy current through electromagnetic induction, and a lower portion of the work coil and the bush A horizontal transfer part provided to rotate and penetrate the work coil, a cooling part provided above the horizontal transfer part and spraying coolant onto the surface of the bush heated by the work coil, and the horizontal transfer part It is disposed adjacent to one side and includes a bush supply unit for automatically supplying the bush to the horizontal transfer unit. Further, the horizontal transfer unit is characterized in that by rotating the bush, heat by the work coil can be evenly transferred to the surface of the bush.

In addition, the work coil is characterized in that a pair of coils formed in the form of'∞' are arranged to cross each other so that the magnetic field can be canceled.

In addition, the horizontal transfer unit includes a pair of rotation support units that rotate and support the bush, a reciprocating transfer unit that pushes and transfers an end of the bush that is adjacent to the rotation support unit and supported by the rotation support unit, and the rotation It is provided on the upper side of the support and includes a guide portion provided to apply pressure to the upper side of the bush transferred by the reciprocating transfer unit. In addition, the guide portion is characterized in that it is possible to prevent the transfer direction of the bush from being shifted by the magnetic field of the work coil by applying pressure to the upper side of the bush.

In addition, the cooling unit includes a cooling water pump for supplying cooling water, and a plurality of cooling water jackets connected to a bottom surface of the cooling water pump. In addition, the cooling water jacket includes a plurality of water fountain holes provided on the bottom of the cooling water jacket in which the bush will be located, and a pressure plate provided inside the cooling water jacket, wherein the pressure plate is a water pressure of the cooling water supplied from the cooling water pump. By offsetting, it is characterized in that the cooling water sprayed from the fountain hole can be sprayed while maintaining an even water pressure.

In addition, the cooling unit further includes a small coolant jacket connected to the cooling water pump and provided at one side of the horizontal transfer unit. In addition, the small coolant jacket is characterized in that the coolant is sprayed to the inside of the bush transferred by the horizontal transfer unit.

By means of solving the above problems, the present invention has the effect of improving productivity by automatically feeding and processing the bush.

In addition, the present invention has the effect that the cost of equipment can be reduced by allowing bushes of various standards to be processed in one line.

In addition, the work coil of the present invention is formed in a structure that allows the magnetic field to be canceled, and by preventing the bush from being shaken by the magnetic field of the work coil, the surface of the bush is heated more evenly to produce excellent quality products. It works.

In addition, the cooling unit of the present invention has the effect of minimizing the deformation of the bush by cooling by allowing the cooling water to be sprayed while maintaining an even water pressure.

In addition, there is an effect that the bush is rotated by the rotation support part of the present invention, so that heat and cooling applied to the surface of the bush can be operated more evenly.

In addition, by cooling the inner diameter of the bush by the small coolant jacket of the present invention to prevent the heat energy from the work coil from moving to the inside of the bush, the hardness of the central portion and the inner diameter of the bush can be prevented from decreasing. There is an effect.

In addition, the small coolant jacket of the present invention has the effect of uniformly moving the heat flow on the bush surface, thereby generating a uniform hardened layer on the bush surface.

1 is a view showing a plan view of a horizontal continuous high frequency heat treatment system according to the present invention, a state in which a bush is quenched by a reciprocating transfer unit.
2 is a view showing a plan view of the horizontal continuous high frequency heat treatment system according to the present invention, showing a state in which the unprocessed bush is supplied to the rotating support after the bush is quenched.
3 is a view showing a cross section of a work coil of the horizontal type continuous high frequency heat treatment system according to the present invention.
4 is a view showing a perspective view of a horizontal transfer unit and a cooling unit of the horizontal continuous high frequency heat treatment system according to the present invention, and a state in which a bush is quenched by the reciprocating transfer unit.
5 is a view showing a perspective view of a horizontal transfer unit and a cooling unit of the present invention, and is a state in which the unprocessed bush is supplied to the rotation support unit after the bush is quenched.
FIG. 6 is a plan view showing a bush supported by the second roller part of the present invention, where (A) is a state in which the gap of the second roller part is narrowed in order to process a small size bush, and (B) is ( In order to process a bush with a larger size than the bush in A), the gap of the second roller part is widened than in (A).
7 is a view showing a state in which a bush is supported by the second roller part of the present invention and penetrates the work coil.
8 is a view showing the guide part of the present invention, (A) is a state in which the guide spring is compressed, (B) is a state that the guide spring is tensioned than the guide spring of (A).
9 is a view showing the cooling unit of the present invention.
10 is a view showing a cross section of the cooling water jacket of the present invention.
11 is a view showing a state in which the small coolant jacket of the present invention is inserted into the bush.
12 is a view showing a bush supply unit of the present invention.
13 is a view showing a state in which the lifting bush of the present invention is elevated.

The terms used in the present specification will be briefly described, and the present invention will be described in detail.

The terms used in the present invention have been selected from general terms that are currently widely used while considering functions in the present invention, but this may vary depending on the intention or precedent of a technician working in the field, the emergence of new technologies, and the like. Therefore, the terms used in the present invention should be defined based on the meaning of the term and the overall contents of the present invention, not a simple name of the term.

When a part of the specification is said to "include" a certain element, it means that other elements may be further included rather than excluding other elements unless specifically stated to the contrary.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those of ordinary skill in the art may easily implement the present invention. However, the present invention may be implemented in various different forms and is not limited to the embodiments described herein.

Specific matters, including the problems to be solved, means for solving the problems, and effects of the present invention, are included in the following examples and drawings. Advantages and features of the present invention, and a method of achieving them will become apparent with reference to embodiments described below in detail together with the accompanying drawings.

Hereinafter, a horizontal continuous high frequency heat treatment system of the present invention will be described in more detail with reference to the accompanying drawings.

1 to 13, the horizontal type continuous high frequency heat treatment system according to a preferred embodiment of the present invention generates an eddy current through electromagnetic induction to apply heat to the surface of the bush 50 and the work coil 100 , The bush 50 rotates horizontally and the horizontal transfer unit 200 provided to penetrate the work coil 100, and the bush 50 to be automatically supplied to the horizontal transfer unit 200 It includes a bush supply unit 400 to enable the bushing, and a cooling unit 300 for spraying cooling water to the bush 50.

In more detail, the work coil 100 is formed in the shape of a circular coil, thereby generating a magnetic field through an alternating current, and applying heat to the surface of the bush 50 using the induced loss generated at this time. In addition, the work coil 100 is provided in a form in which a pair of coils formed in the form of'∞' cross each other, so that the directions of magnetic fields generated by each coil can be opposite to each other. Accordingly, the work coil 100 can cancel the force due to the magnetic field, and the bush 50 penetrating the inner side of the work coil 100 is pushed or pulled by the magnetic field so that the phenomenon can be minimized. do.

Next, the horizontal transfer part 200 is a pair of rotation support parts 210 that rotate and support the bush 50, and are adjacent to the rotation support part 210 and are supported by the rotation support part 210. A reciprocating transfer unit 220 that pushes and transfers the end of the bush 50 to be transferred, and is provided on the upper side of the rotation support unit 210 and is transferred by the reciprocating transfer unit 220 on the upper side of the bush 50 It includes a guide part 230 provided to apply pressure. In addition, the work coil 100 may be disposed between the first roller part 211 and the second roller part 212 to be described later.

First, the pair of rotation support parts 210, a first roller part 211 supporting the bush 50 supplied from the bush supply part 400, and horizontally transferred from the first roller part 211 A second roller part 212 receiving and supporting the bush 50 and a support part rotation shaft 213 rotating the first roller part 211 and the second roller part 212 are included.

In addition, the first roller part 211 is provided in the form of a pair of cylinders disposed horizontally with the ground. In addition, the outer peripheral surface of the bush 50 is brought into contact with the outer peripheral surface of the first roller part 211 and is supported.

Further, referring to FIGS. 6 and 7, the second roller part 212 includes a plurality of disk plates 212-1 disposed to have a width smaller than the length of the bush 50. In addition, the disk plate 212-1 is coupled to the support part rotation shaft 213 in parallel and disposed to be spaced apart from each other. In more detail, the spacing between the disc plates 212-1 is arranged at a spacing smaller than half the length of the central portion of the bush 50, so that both ends of the central portion of the bush 50 are attached to the plurality of disc plates 212-1. To be supported by That is, the second roller part 212 is provided so that the surface area in contact with the bush 50 through the disk plate 212-1 can be minimized, and thus the bush heated by the work coil 100 ( 50) can be minimized. In addition, the disk plate 212-1 is coupled to the support part rotating shaft 213 through a bolt, so that the distance between the disk plates 212-1 can be changed by the user's selection. That is, the spacing of the disk plate 212-1 may be selected according to the standard of the bush 50. As an example, looking at (A) and (B) of Figure 6, even if the size and length of the bush 50 is different, the spacing between the disk plates 212-1 can be adjusted, so that a step is provided at the end. The bush 50 can be transported horizontally without tilting by supporting the disk plate 212-1 at both ends of the bush 50 while keeping contact with the second roller part 212 to a minimum. .

In addition, as a gap is formed between the disk plates 212-1, the work coil 100 may be disposed between the plurality of disk plates 212-1. Accordingly, the center line of the bush 50 supported by the first and second roller parts 211 and 212 and the center line of the work coil 100 may be located in a straight line, so that the surface of the bush 50 Make it possible to heat more evenly. In addition, since the cooling unit 300 is disposed between the disk plates 212-1, the front surface of the bush 50 can be surrounded by cooling water, thereby increasing the cooling efficiency for the bush 50 Can be.

In addition, the first roller part 211 and the second roller part 212 are connected to the support part rotation shaft 213 to rotate in the same direction. That is, when the first roller part 211 and the second roller part 212 are rotated, the bush 50 is caused by friction between the first roller part 211 and the second roller part 212. The roller parts 211 and 212 can be rotated opposite to the rotational direction.

Next, the reciprocating transfer unit 220, so that the transfer direction of the bush scraper 221 and the bush scraper 221 reciprocated in the longitudinal direction of the first roller part 211 can be guided. It includes a reciprocating transfer rail 222 provided, and a transfer unit rod 223 connecting the bush quencher 221 to the reciprocating transfer rail 222.

First, the bush quencher 221 is adjacent to the outer circumferential surface of the first roller part 211 and is disposed in a straight line with the bush 50 rotating by the first roller part 211. In addition, the bush quenching machine 221 is provided in a cylindrical shape so as to penetrate the work coil 100. Accordingly, when the bush scraper 221 is transferred toward the work coil 50, the bush scraper 221 may abut the bush 50 and pass through the work coil 100 together. At this time, the bush scraper 221 may be reciprocated by the transfer unit rod 223 connected to the reciprocating transfer rail 222, and the bush scraper 221 easily transfers the bush 50 It may be provided in various forms within a range that allows it to be made.

Next, the guide part 230 is coupled to a guide roller 231 applying pressure to the upper side of the bush 50 transferred by the reciprocating transfer part 220, and the upper part of the guide roller 231 A guide spring part 232 for pressing the guide roller 231, an elastic adjustment member 233 for adjusting the elastic force of the guide spring 232, and the elastic adjustment member 233 to be fixed. It includes a fixed wood 234 provided to be able to.

First, the guide roller 231 serves to apply pressure to the outer circumferential surface of the bush 50 that is transferred by the reciprocating transfer unit 220. For example, the guide roller 231 is provided at a height capable of contacting the bush 50. That is, when the bush 50 is transferred to the inside of the work coil 100 by the reciprocating transfer unit 220 and abuts the guide roller 231, the guide roller 231 is the bush 50 It rotates in the transport direction of and may be in close contact with the outer circumferential surface of the bush 50.

In addition, the guide spring part 232 serves to allow the guide roller 231 to have an elastic force in the vertical direction. In more detail, the guide spring part 232 is provided with a circular coil having elasticity, and is provided to be compressed and tensioned. Therefore, when the guide roller 231 is in contact with the outer circumferential surface of the bush 50, the guide spring part 232 presses the guide roller 231 so that the guide roller 231 is in contact with the bush 50 ) To the outer circumferential surface and to apply pressure.

In addition, the elastic adjustment member 233 is coupled to the upper side of the guide spring part 232 so that the guide spring part 232 can be compressed. At this time, the position at which the elastic adjustment member 233 and the guide spring part 232 are coupled can be easily changed by the fixing neck 234, so that the elastic force of the guide spring part 232 can be adjusted. To be.

That is, by applying pressure to the upper side of the bush 50, the guide part 230 may prevent the transfer direction of the bush 50 from being shifted by the magnetic field of the work coil 100.

Next, the cooling unit 300 includes a cooling water pump 330 for supplying cooling water, a plurality of cooling water jackets 310 connected to the bottom of the cooling water pump 330, and the cooling water pump 330 ) And a small coolant jacket 320 provided on one side of the horizontal transfer unit.

First, the cooling water jacket 310 includes a cooling water inlet 313 provided to receive cooling water from the cooling water pump 330 and a bottom surface of the cooling water jacket where the bush 50 will be located. The plurality of water fountain holes 312 and a pressure plate 311 provided inside the cooling water jacket 310 are included. In addition, the cooling water jacket 310 allows the cooling water circulating inside the cooling water jacket 310 to be sprayed through the plurality of water fountains 312. In addition, the cooling water jacket 310 is disposed above the rotation support part 210 to prevent deformation by heat of the work coil 100 such as the bush 50, the rotation support part 210, and the bush quencher 221. Make sure that the coolant can be sprayed into the hazardous area.

In addition, the pressure plate 311 is provided to be perpendicular to the traveling direction of the cooling water introduced from the cooling water inlet 313. As an example, the pressure plate 311 allows the cooling water supplied from the cooling water pump 330 to the inside of the cooling water jacket 310 to be sprayed after circulating inside the cooling water jacket 310. That is, the pressure plate 311 primarily cancels the water pressure of the coolant supplied from the coolant pump 330 so that the water pressure of the coolant flowing to the lower portion of the pressure plate 311 can be equalized. Accordingly, the pressure plate 311 allows the coolant sprayed from the fountain hole 312 to be sprayed while maintaining an even water pressure.

In addition, the coolant jacket 310 further includes a plurality of divided coolant jackets 314 disposed between the plurality of disk plates 212-1. The split-type coolant jacket 314 is provided with a width smaller than the spacing of the disk plates 212-1 so that they can be easily disposed between the disk plates 212-1. In addition, in the divided coolant jacket 314, the arrangement of the disk plate 212-1 may be changed as the spacing of the disk plate 212-1 is adjusted, so that the disk plate 212-1 It can be arranged fluidly according to the arrangement of. At this time, the hose provided in the split-type coolant jacket 314 is preferably a rubber hose having excellent flexibility is used.

In addition, the small cooling water jacket 320 includes a plurality of small water fountain holes 321 provided on the outer circumferential surface of the small cooling water jacket 320. In addition, the small coolant jacket 320 serves to inject coolant into the inside of the bush 50 transferred by the horizontal transfer unit 200.

In more detail, the small coolant jacket 320 may be connected to an end of the bush quencher 221. Therefore, when the bush quencher 221 is transferred toward the work coil 100, the small coolant jacket 320 is inserted into the bush 50 and transferred together. In addition, the small coolant jacket 320 is formed in a cylindrical shape so that the coolant can be easily sprayed to the inner diameter of the bush 50. At this time, the small coolant jacket 320 cools the inner diameter of the bush 50 to prevent the heat energy by the work coil 100 from moving to the inside of the bush 50, and thus the bush 50 It is to prevent the hardness of the center and the inner diameter of the device from decreasing. In addition, the small coolant jacket 320 cools the inner diameter portion of the bush 50 so that the heat flow from the surface portion of the bush 50 is uniformly carried out, thereby uniform hardening on the surface portion of the bush 50 Allows the layer to be created.

At this time, the cooling water pump 330 allows the water pressure of the cooling water supplied to the cooling water jacket 310 and the small cooling water jacket 320 to be adjusted. In addition, the cooling water pump 330 is provided with a rubber hose, a metal pipe, etc. as a means for supplying cooling water to the cooling water jacket 310 and the small cooling water jacket 320 (not shown). In addition, as the small coolant jacket 320 is moved back and forth several times, it is more preferable that a rubber hose is provided between the coolant pump 330 and the small coolant jacket 320.

Next, the bush supply unit 400, a bush loading box 410 in which a plurality of the unprocessed bushes 50 can be loaded, and a conveyor ( 420, a bush sensing unit 430 for stopping the operation of the conveyor 420, a bush pushing unit 440 for pushing the bush 50 reaching the bush sensing unit 430, It includes a sliding rod 450 for guiding the bush 50 pushed by the bush pushing part 440 to be seated on the horizontal transfer part 200.

First, the bush loading box 410 includes a bush lifting part 411 provided to be elevated. In more detail, the bush lifting part 411 is inserted into the inner edge of the bush loading box 410, and the bottom surface of the bush loading box 410 is provided to be inclined downward toward the bush lifting part 411. Accordingly, the bush 50 loaded in the bush loading box 410 is rolled toward one surface of the bush lifting part 411. In addition, the bush lifting part 411 makes it possible to lift the bush 50 seated on one surface of the bush lifting part 411. At this time, one surface of the bush lifting part 411 is provided to be inclined downward toward the conveyor 420, so that the bush 50 can be easily seated on the conveyor 420.

In addition, the conveyor 420 includes a belt 421 provided to allow the bush 50 to be easily seated, a motor unit 422 for circulating the belt 421, and the belt ( It includes a bush guide plate 423 provided on one side of the 421. In addition, the belt 421 may be provided in various forms within a range in which the bush 50 can be easily transported, such as rubber, wire mesh, steel plate, and chain.

In addition, the bush guide plate 423 is provided in the form of a steel plate extending upward of the belt 421, and the bush 50 seated on the belt 421 by the bush lifting part 411 Serves to prevent separation of the belt 421.

In addition, the bush sensing unit 430 includes a bush fixing plate 431 provided on the upper side of the belt 421 and a bush detection sensor 432 provided on one side of the bush fixing plate 432. In more detail, the bush fixing plate 431 blocks the bush 50 being transferred by the conveyor 420 so that the bush 50 can be temporarily fixed on the conveyor 420. In addition, the bush fixing plate 431 is disposed to be spaced apart from the belt 421 so as not to interfere with the operation of the conveyor 420.

In addition, when the bush 50 reaches the bush fixing plate 431, the bush detection sensor 432 detects this and transmits a signal to the motor unit 422 to prevent the operation of the conveyor 420. Let it be stopped.

In addition, the bush pushing part 440 includes a pushing plate 441 provided to push the bush 50 reaching the bush fixing plate 431, and an actuator that transmits power to the pushing plate 442. Including 442. In addition, the bush pushing unit 440 is operable only when the bush quenching machine 221 is completely transferred in the opposite direction of the work coil 100. At this time, when the bush 50 leaves the bush fixing plate 431 by the bush pushing part 440, the bush detection sensor 432 detects this and transmits a signal to the motor part 422. Thus, the operation of the conveyor 420 can be resumed.

In addition, the actuator 442 enables linear reciprocating motion using at least one method such as electricity, hydraulic pressure, and pneumatic pressure.

In addition, the sliding rod 450 is provided in a form in which both sides are bent upward, so that the sliding direction of the bush 50 pushed by the bush pushing part 440 can be guided. In addition, the slide 450 is provided to be inclined downward toward the upper portion of the first roller part 211, and the bush 50 pushed by the bush pushing part 440 is moved along the slide 450. 1 to be easily seated on the roller part 211.

Next, the bush discharge rail 500 is provided. The bush discharge rail 500 is provided at an end of the second roller part 212 so that the bush 50 having finished surface processing can be seated. For example, when the plurality of bushes 50 are continuously transferred to the second roller part 212 by the reciprocating transfer part 220 and pushed out of the second roller part 212, the bush discharge rail It is seated on 500 and is pushed toward the end of the bush discharge rail 500.

Next, the discharge bush loading box 600 is provided. The discharge bush loading box 600 has a receiving space inside, so that the plurality of bushes 50 having finished surface processing discharged from the bush discharge rail 500 can be loaded.

Therefore, the present invention, through the cooling unit 300 for spraying the cooling water at an equal pressure, and the bush 50 through the horizontal transfer unit 200 to be transported horizontally and rotated ( It has the effect of allowing the surface of 50) to be evenly quenched.

In addition, by cooling the inner diameter of the bush 50 through the small coolant jacket 320 of the present invention to prevent the heat energy by the work coil 100 from moving to the inside of the bush 50, the Uniform hardening on the surface of the bush 50 by preventing the hardness of the central portion and the inner diameter of the bush 50 from deteriorating, and ensuring that the heat flow from the surface of the bush 50 is uniformly carried out. It has the effect of allowing layers to be created.

In addition, the present invention has an effect of improving productivity by allowing the bush 50 to be automatically supplied through the bush supply unit 400.

The embodiments described above are to be understood as illustrative in all respects and not limiting, and the scope of the present invention is indicated by the claims to be described later rather than the detailed description, and the meaning and scope of the claims and their equivalents All changes or modifications derived from the concept should be interpreted as being included in the scope of the present invention.

50: bush
100: work coil
200: horizontal transfer unit
210: rotation support
211: first roller part
212: second roller part
212-1: disk plate
213: support part rotation shaft
220: round-trip transfer unit
221: Bush quenching machine
222: Round-trip transfer rail
223: transfer section rod
230: guide part
231: guide roller
232: guide spring
233: elastic adjustment member
234: Fixed tree
300: cooling unit
310: coolant jacket
311: pressure plate
312: Fountain Ball
313: cooling water inlet
314: Split type coolant jacket
320: Small coolant jacket
321: Small fountain work
330: cooling water pump
400: bush supply
410: Bush loading
411: Bush elevator
420: conveyor
421: belt
422: motor part
423: Bush guide plate
430: Bush detection unit
431: Bush fixing plate
432: Bush detection sensor
440: bush pushing part
441: pushing plate
442: actuator
450: slide
500: Bush discharge rail
600: Loading at the discharge bush

Claims (6)

A work coil for applying heat to the surface of the bush by generating an eddy current through electromagnetic induction;
A horizontal transfer unit provided to be spaced apart from the lower part of the work coil and provided so that the bush can rotate and penetrate the work coil;
A cooling unit provided above the horizontal transfer unit and spraying coolant onto the surface of the bush heated by the work coil; And
Includes; a bush supply unit disposed adjacent to one side of the horizontal transfer unit so that the bush can be automatically supplied to the horizontal transfer unit,
The horizontal transfer unit,
A pair of rotation support parts for rotating and supporting the bush;
A reciprocating transfer unit adjacent to the rotation support unit and pushing and transporting the end of the bush supported by the rotation support unit; And
Includes; a guide part provided on the upper side of the rotation support part and provided to apply pressure to the upper side of the bush transferred by the reciprocating transfer part,
The rotation support part,
Includes; disk plates provided in plurality and disposed to be spaced apart from each other,
The horizontal transfer unit rotates the bush so that heat by the work coil can be evenly transferred to the surface of the bush,
The guide portion, by applying pressure to the upper side of the bush, prevents the transfer direction of the bush from shifting due to the magnetic field of the work coil,
The disk plate is arranged at intervals narrower than half the length of the central portion of the bush so that both ends of the bush can be supported by a plurality of disk plates, and the spaced apart intervals can be adjusted. Continuous high frequency heat treatment system. The method of claim 1,
The work coil,
A horizontal type continuous high frequency heat treatment system, characterized in that a pair of coils formed in the shape of'∞' are arranged to cross each other so that the magnetic field can be canceled. The method of claim 1,
Steps are provided at the ends of the bush,
A horizontal continuous high frequency heat treatment system, characterized in that the distance between the disk plates can be adjusted so that the bush is not inclined and horizontally transferred regardless of the length of the bush. The method of claim 1,
The cooling unit,
A cooling water pump for supplying cooling water; And
Includes; a plurality of cooling water jackets connected to the bottom of the cooling water pump,
The cooling water jacket,
A plurality of fountain holes provided on the bottom surface of the cooling water jacket in which the bush is to be located; And
Includes; a pressure plate provided on the inside of the cooling water jacket,
The pressure plate is a horizontal type continuous high frequency heat treatment system, characterized in that by offsetting the water pressure of the cooling water supplied from the cooling water pump, the cooling water sprayed from the fountain hole to be sprayed while maintaining a uniform water pressure. The method of claim 4,
The cooling unit,
A small coolant jacket connected to the coolant pump and provided on one side of the horizontal transfer unit; And
A plurality of divided coolant jackets disposed between the plurality of disk plates further include,
The small coolant jacket is a horizontal type continuous high frequency heat treatment system, characterized in that for spraying coolant to the inside of the bush transferred by the horizontal transfer unit.

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