KR100994860B1 - Continuous treatment apparatus for automobile wheel - Google Patents

Abstract

The present invention relates to a continuous heat treatment apparatus for an automobile wheel.

A continuous heat treatment apparatus for an automobile wheel according to the present invention includes: a first transfer unit 100 for transferring a vehicle wheel W arranged in a single layer in a longitudinal direction; A cross guide unit 200 for guiding the wheel provided by the first transfer unit in a direction intersecting by a linear reciprocating motion; A stacking unit 300 for stacking an automobile wheel moving in a single layer into multiple layers; A plurality of roller assemblies 400 for simultaneously transporting the stacked automobile wheels; A first heating unit 500 for heating the automobile wheel; A cooling unit 600 having a plurality of cooling tanks for cooling the heated automobile wheel by at least one of oil cooling, water cooling, and air cooling; A direction change unit 700 for rotating the cooled car wheels in a stacked state to change the traveling direction; A second heating unit 800 for heating the cooled automobile wheels in a stacked state; And an unloading unit 900 for unloading and transporting the automobile wheels in the stacked state heated in the second heating unit in a single layer state. According to the present invention, there is an advantage that the continuous implementation of the solution (soluting) and aging (aging) process is possible.

Heat Treatment, Solventization, Aging Treatment, Continuous, Automobile Wheel

Description

Continuous treatment apparatus for automobile wheel

1 is a plan view showing the configuration of a continuous heat treatment apparatus for a vehicle wheel according to the present invention.

Figure 2a is a side view showing a first transfer unit and a cross guide unit of one configuration of a continuous heat treatment apparatus for a vehicle wheel according to the present invention.

Figure 2b is a front view showing a first transfer unit and the cross guide unit.

Figure 3a is a front view showing a laminated unit and a roller assembly which is one configuration of the heat treatment apparatus according to the present invention.

Figure 3b is a side view showing the lamination unit and the roller assembly.

Figure 4a is a front view showing a first heating unit which is one configuration of the heat treatment apparatus according to the present invention.

Figure 4b is a side view showing a first heating unit.

Figure 4c is a front view showing a first heating furnace feeder and a first heating furnace sorter installed inside the first heating unit.

Figure 4d is a side view showing a first furnace transfer machine and a first furnace aligner.

Figure 5a is a front view showing a cooling unit which is one configuration of the heat treatment apparatus according to the present invention.

Figure 5b is a use state showing the operating state of the cooling unit.

Figure 6a is a plan view showing a turning unit that is one configuration of the heat treatment apparatus according to the present invention.

Figure 6b is a use state showing the operating state of the direction switching unit.

Figure 7a is a side view showing a second heating unit which is one configuration of the heat treatment apparatus according to the present invention.

Figure 7b is a front view showing a second heating unit.

Figure 8a is a front view showing an unloading unit which is one configuration of the heat treatment apparatus according to the present invention.

8B is a side view showing the unloading unit.

9 is a process flow chart showing a continuous heat treatment method for a car wheel using the heat treatment apparatus according to the present invention.

Explanation of symbols on the main parts of the drawings

100. First transfer unit 120. First transfer frame

140. Roller 160. Feed Motor

180. Force transmission member 200. Cross guide unit

220. Information motor 230. Cross frame

240. Height adjusting cylinder 260. Feeding section

261. Elastic members 262. Feed shaft

264. Follower Pulleys 266. Planetary Gears

268. Chain 300. Stacking Unit

310. Lamination roller 320. Drop prevention stopper

330. Laminated frame 340. Lifting means

341. Elevating frames 342. Elevating rails

343. Lifting motor 345. Wire

346. Lift and Pull 347. Wireframe

400. Roller Assembly 400a. First roller assembly

400b. Second roller assembly 400c. Third roller assembly

400d. Fourth roller assembly 400e. Fifth Roller Assembly

500. First heating unit 510. First heating furnace

512. First furnace sensor 514. Primary sensor

516. Second Auxiliary Sensor 520. First Heat Supply

522. First burner 530. First ventilator

540. First furnace furnace 550. First furnace furnace feeder

560. First Furnace Sorter 562. Alignment Table

564. Rotating rod 565. Connector

566. Alignment cylinder 568. Connecting rod

569. Sensor 600. Cooling Unit

610. Cooling Roller 630. Cooling Frame

640. Cooling means 641. Roller frame

642. Cooling rail 643. Guide roller

644. Cooling Motor 645. Wire

646. Cooling pulley 660. Cooling tank

700. Direction change unit 720. Loading frame

722. Directional Shaft 724. Wheels

740. Rotating guide frame 742. Curved rail

760. Drop protection 780. Cloud means

782. Rotary motor 800. Second heating unit

810. Second Furnace 812. Second Furnace Sensor

814. Second secondary sensor 816. Second secondary sensor

820. Second heat supply 830. Second fan

840. Second furnace furnace door 850. Second furnace furnace conveyor

860. Second heating furnace sorter 900. Unloading unit

920. Unloading means 940. Drawing means

960. Second transfer unit C. Cylinder

 F. Force transmission member H. Skin

 M. Motor R. roller

 W. Car wheel S100. First transfer step

S200. Second transfer step S300. Stacking Step

S400. First heating step S500. Cooling stage

S600. Redirection step S700. Second heating stage

S800. Third transfer step

The present invention relates to a continuous heat treatment apparatus for an automobile wheel.

Generally, aluminum alloy refers to an alloy containing aluminum as a main component, and various kinds of aluminum alloys have been developed according to the use, and are widely used in various fields because of their advantages of light weight and excellent corrosion resistance and heat resistance.

In addition, the aluminum alloy can be made high in strength by addition of other elements and aging precipitation by the intermediate phase, and the heat treatment for aging precipitation is performed by solution treatment and aging treatment.

The solution treatment is a heat treatment in which a non-equilibrium phase crystallized at the time of solidification is solidified to a high temperature, and then cooled to obtain a uniform solid solution at normal temperature.

The aging treatment following the solution treatment is to keep the solution at a relatively low temperature, to precipitate the solid solution in an intermediate phase, and to harden it. The mechanical properties of the aluminum alloy can be improved by these heat treatments.

Accordingly, the solution treatment and the aging treatment of the aluminum alloy have been widely used in an atmosphere furnace such as a tunnel furnace using air as a heat medium.

However, such a conventional atmosphere has a problem that the temperature rise time is slow and the temperature variation inside the atmosphere is large, so that the heat treatment quality is lowered.

In addition, since the heat treatment temperature required during the solution treatment and aging treatment is different, the storage space of the aluminum alloy product waiting for aging treatment should be provided separately, there is a problem that the space utilization and productivity are lowered.

In addition, if the solution treatment time is delayed due to the slow temperature rise time, the structure of the aluminum alloy becomes coarse, which may cause a problem in that the strength and ductility of the aluminum alloy are greatly reduced.

An object of the present invention for solving the problems as described above is to provide a continuous heat treatment apparatus for an automobile wheel to be configured so that the solution and aging treatment can be carried out continuously to improve productivity and reduce manufacturing costs.

Another object of the present invention is to stack the car wheel that has been continuously guided in a single layer in a plurality of layers to solution and age in large quantities, at this time by automatically adjusting the flame size of the burner according to the temperature change detected by the temperature sensor The present invention provides a continuous heat treatment apparatus for a wheel of a car so that a plurality of stacked car wheels can have a uniform quality.

A continuous heat treatment apparatus for an automobile wheel according to the present invention includes: a first transfer unit for transferring an automobile wheel arranged in a single layer in a longitudinal direction; A cross guide unit for guiding the vehicle wheel provided by the first transfer unit in a direction crossing with the linear reciprocating motion; A stacking unit for stacking a car wheel moving to a single layer into multiple layers; A plurality of roller assemblies for simultaneously conveying the stacked automobile wheels; A first heating unit for heating the automobile wheels in a stacked state; A cooling unit having a plurality of cooling tanks for cooling the automobile wheel heated in the first heating unit by at least one of oil cooling, water cooling, and air cooling; A direction change unit which rotates the cooled car wheels in a stacked state to change a traveling direction; A second heating unit for heating the cooled automobile wheels in a stacked state; And an unloading unit for unloading and transporting the automobile wheels in the stacked state heated in the second heating unit in a single layer state.

The first heating unit, the cooling unit, the redirection unit and the second heating unit are characterized in that located between the pair of roller assembly.

A continuous heat treatment method of a car wheel using a continuous heat treatment apparatus for a car wheel according to the present invention, the first transfer step for transferring the car wheels listed in a single layer in one direction, and the second transfer for transferring the car wheel in a direction crossing And a laminating step of charging the car wheel into the lamination unit and stacking the car wheel into a plurality of layers; a first heating step of charging the car wheel into the first heating unit and heating the car wheel; Cooling step of cooling by one or more of the cooling method of oil cooling, water cooling, air cooling by using, the direction changing step of changing the conveying direction by inserting the cooled car wheel in the stacked state in the direction changing unit and rotating it, A second heating step of charging and heating the converted car wheel into the second heating unit, and a third transfer step of transferring the heated car wheel in a cross direction; Characterized in that eojin.

The redirection step is characterized in that the redirection unit is a process of reciprocating rotation within a predetermined angle range between a pair of roller assembly.

Among the first heating step and the second heating step, the plurality of car wheels moving inside the first heating unit and the second heating unit are selectively transported when each car wheel located at different heights is aligned on the same straight line. It is done.

According to the present invention, since the solution and the aging process can be carried out continuously, there is an advantage that the productivity is improved.

Hereinafter, with reference to the accompanying Figure 1 will be described the configuration of a continuous heat treatment apparatus (hereinafter referred to as "heat treatment apparatus") of the automobile wheel according to the present invention.

1 is a plan view showing the configuration of a heat treatment apparatus according to the present invention.

As shown in the drawing, the heat treatment apparatus is an apparatus for automatically transferring the car wheels W so that solution treatment and aging treatment can be continuously performed. In the embodiment of the present invention, the car wheels W are formed of an aluminum alloy. Dragon wheels were applied.

The detailed configuration of the heat treatment apparatus will be described in order according to the transport path of the automobile wheel (W).

The heat treatment apparatus includes a first transfer unit (100) for transferring the wheels (W) listed in a single layer in the longitudinal direction; A cross guide unit (200) for guiding the vehicle wheel (W) provided from the first transfer unit (100) in a direction intersecting by a linear reciprocating motion; A stacking unit 300 for stacking the automobile wheels W moving in a single layer in multiple layers; A plurality of roller assemblies 400 for simultaneously conveying the stacked automobile wheels W; A first heating unit 500 for heating the automobile wheel W in a stacked state; A cooling unit 600 having a plurality of cooling tanks 660 for cooling the automobile wheel W heated in the first heating unit 500 by at least one of oil cooling, water cooling, and air cooling; A direction changing unit 700 for rotating the cooled car wheels W in a stacked state to change the traveling direction; A second heating unit 800 for heating the cooled automobile wheels W in a stacked state; It comprises a unloading unit 900 for unloading and transporting the automobile wheel (W) of the laminated state heated in the second heating unit 800 in a single layer state.

Looking at the transfer path of the vehicle wheel (W) prior to the detailed description of the components with reference to Figure 1, first, the car wheel (W) is transported downward along the first transfer unit 100, wherein the vehicle The wheels W are transported arranged in a single layer in the longitudinal direction.

The vehicle wheel W transferred downward along the first transfer unit 100 may cross in a direction leftward by the cross guide unit 200, that is, in a direction crossing the direction guided by the first transfer unit 100. Four guided and arranged in four rows.

Then, the wheels W arranged in four rows are guided into the stacking unit 300, and the stacking unit 300 stacks the wheels W in three layers in the embodiment of the present invention.

The automobile wheel W stacked in three layers is loaded into the first heating unit 500 via the first roller assembly 400a which is one of the plurality of roller assemblies 400.

The automobile wheels W arranged and aligned in four rows and three layers inside the first heating unit 500 are heated in the first heating unit 500 to be subjected to a solvent treatment, and thereafter, a plurality of roller assemblies 400. Cooling by the cooling unit 600 after passing through the second roller assembly (400b) of one.

At this time, the cooling unit 600 is cooled by receiving a row of automobile wheels (W) stacked in three layers by one row, and is transferred to the third roller assembly 400c which is one of the plurality of roller assemblies 400.

Multiple car wheels W of the third floor and one row via the third roller assembly 400c are simultaneously loaded into the direction switching unit 700 to rotate 90 ° in the clockwise direction, and then the fourth roller assembly 400d. Is transferred to).

A plurality of automobile wheels (W) of one row on the third floor via the fourth roller assembly (400d) is charged into the second heating unit 800 and aged (aging), through the fifth roller assembly (400e) The second heating unit 800 is drawn out from the inside.

Since the car wheels W in the three-layer one-row state are arranged in a single layer by the unloading unit 900 and transferred in the right direction, the solutionization and aging treatment of the car wheels W using the heat treatment device is continuous. Can be implemented.

Hereinafter, a detailed configuration of the first transfer unit and the cross guide unit will be described with reference to FIGS. 2A and 2B.

Figure 2a is a side view showing a first transfer unit 100 and the cross guide unit 200 of the configuration of the heat treatment apparatus according to the present invention, Figure 2b is a first transfer unit 100 and the cross guide unit 200 Front view shown.

As shown in the drawing, the first transfer unit 100 is for transferring the wheels W, which are arranged in a single layer, in the left direction when viewed in FIG. 2A. The first transfer unit supports a load of a plurality of parts and forms a frame. Frame 120, a plurality of rollers 140 to rotate in a state spaced apart in the left / right direction from the upper portion of the first transfer frame 120, and a transfer motor for generating a rotational power (reference numeral 160 in Fig. 2b) ), And a force transmission member 180 for transmitting the rotational power of the transfer motor 160 to the roller 140.

At least one of the rollers 140 is provided with the rotational power of the transfer motor 160 in contact with the force transmission member 180, the remaining rollers 140 are surrounded by the pulley, belt, etc. in the same direction It is configured to rotate.

Therefore, the vehicle wheel W seated on the upper side of the roller 140 may be linearly moved in the left direction by the rotation of the transfer motor 160 to be transported in the longitudinal direction of the first transfer unit 100.

The cross guide unit 200 is provided inside the first transfer unit 100. The cross-guiding unit 200 is a configuration for transferring the car wheel (W) moved to the left or forward as seen in Figure 2a, the car wheel (W) when the first transfer unit 100 does not operate ) And selectively contact with the feed.

To this end, the cross guide unit 200, the guide motor 220 for generating a rotational power, the cross frame 230 for supporting a plurality of parts, and the height adjustment cylinder for adjusting the height of the cross frame 230 240 and rotatably installed on the upper surface of the cross frame 230, and receive the rotational power from the guide motor 220 when the length of the height adjustment cylinder 240 is extended, the vehicle wheel (W) It is configured to include a transfer unit 260 for transferring the front or rear.

The height adjustment cylinder 240 is fixed to the bottom surface of the upper portion is extended in the up / down direction, the upper portion of the height adjustment cylinder 240 is coupled to the cross frame 230. Therefore, when the length of the height adjustment cylinder 240 is changed, the height of the cross frame 230 is also changed.

As the height of the cross frame 230 changes, the transfer unit 260 coupled to the cross frame 230 may also rise or fall at the same time. In this case, the guide motor 220 is fixedly coupled to the bottom surface of the cross frame 230. As a result it is raised and lowered simultaneously with the cross frame 230.

In addition, a chain 268 that rotates while drawing a closed loop is positioned at the uppermost side of the transfer part 260, and an upper surface of the chain 268 is selectively selected to an upper side of the roller 140 according to a change in height of the height adjusting cylinder 240. By protruding to selectively contact the bottom surface of the car wheel (W) it is possible to force the transport of the car wheel (W).

In the embodiment of the present invention, the rotational force of the guide motor 220 is transmitted to the feed shaft 262 and the driven pulley (reference numeral 264 of FIG. 2B) by the elastic member 261, the driven pulley 264 is shown in FIG. The planetary gear 266 and the chain 268 positioned at the upper left / right side of 2b are arranged in an inverted triangle shape and interlock with each other.

Therefore, the rotational power generated by the rotation of the guide motor 220 is transmitted to the driven pulley 264 by the elastic member 261 to rotate, and the chain 268 according to the rotation of the driven pulley 264 The planetary gear 266 is rotated. At this time, the chain 268 may move the vehicle wheel W to the left or the right when the upper surface is horizontal.

Of course, the chain 268 ascends to a gap between the rollers 140 as the length of the height adjustment cylinder 240 extends, and selectively contacts the automobile wheel W, by the cross guide unit 200. The automobile wheel W moving in the cross direction flows into the stacking unit 300 and is stacked.

Hereinafter, the configuration of the stacking unit 300 will be described with reference to FIGS. 3A and 3B.

Figure 3a is a front view showing the lamination unit 300 and the roller assembly which is one configuration of the heat treatment apparatus according to the present invention, Figure 3b is a side view showing the lamination unit 300 and the roller assembly.

As shown in the figure, the stacking unit 300 is to stack the four wheels one row of the wheel wheels (W) sent to the single layer from the cross-guiding unit 200 in three layers, the three stacking rollers 310 in the longitudinal direction Spaced apart, and the anti-dropper stopper 320 is provided on each of the stacked rollers 310.

That is, the stacking unit 300 includes a stacking frame 330 for forming a frame, lifting means 340 for stacking the wheels W introduced into the stacking frame 330 by lifting and lowering; The laminated roller 310 and the fall prevention stopper 320 is configured to include.

The laminated frame 330 is installed above the cover portion H recessed downward from the ground, and has a vertically hexahedral shape.

In addition, the laminated frame 330 is left / right open to allow the inflow and outflow of the automobile wheel (W), and is formed long in the front / rear direction so that four rows of the automobile wheel (W) may be simultaneously introduced.

The lifting means 340 is configured to move in the up / down direction with the lamination roller 310 and the drop prevention stopper 320 is installed, the wheel (W) is seated on the lamination roller 310 upper surface, The drop prevention stopper 320 is rotatably installed on the left side of the lamination roller 310 in order to prevent the automobile wheel W seated on the lamination roller 310 from falling down in the left direction.

Looking at the configuration of the elevating means 340, the elevating means 340, the elevating frame (341) is installed, the stacking roller 310 and the drop prevention stopper 320, the image of the elevating frame (341) The rail 342 for guiding the downward movement, the lifting motor 344 generating the rotational power, and the rotating power of the lifting motor 344 are transferred to the lifting frame 341 to lift the lifting frame 341. And a wire 345 for descending and a lifting pulley 346 for guiding the up / down movement of the wire 345.

The rail is fixed vertically long in the left and right inside the laminated frame 330, the lower end extends to the bottom of the cover (H).

Therefore, the lamination roller 310 can be accommodated into the escape portion, and the automobile wheel W can be seated on the upper surfaces of the three lamination rollers 310 positioned in parallel in the up / down direction.

The lifting frame 341 is a linear reciprocating motion in the up / down direction along the lifting rail 342, and the lifting roller 343 is provided on the left and right upper and lower ends of the lifting frame 341.

The elevating roller 343 helps to enable a linear reciprocating motion of the elevating frame 341 by rolling along the elevating rail 342.

A wire coupling frame 347 is provided on the left side of the elevating frame 341. The wire coupling frame is fixedly coupled to the elevating frame 341 and protrudes out of the laminated frame 330.

Then, one end of the wire 345 is coupled to the upper end of the wire coupling frame. Accordingly, when the lifting motor 344 rotates to wind the wire 345, the wire 345 is pulled upward by the lifting pulley 346 in the downward direction. In addition, the elevating frame 341 can be elevated by the action of the elevating roller 343 and the elevating rail 342 in the state in which the automobile wheel (W) is mounted.

In the embodiment of the present invention, the lamination roller 310 located on the uppermost layer of the lamination roller 310 composed of three layers has the first frame when the lifting frame 341 is moved downward to accommodate a part of the lamination roller 310. It was configured to be placed on the same plane as the upper surface of the transfer unit (100).

On the other hand, the fall prevention stopper 320 is provided inside the elevating frame (341). The fall prevention stopper 320 is configured to interfere with the one-way movement of the vehicle wheel W seated on the stacking roller 310 and to selectively cancel such interference.

To this end, the fall prevention stopper 320 is a stop motor 322, a rotary shaft 324 that is rotated by receiving a rotary power from the stop motor, and is coupled to the rotary shaft and rotates simultaneously with the rotary shaft and the car wheel (W) And a stopper 326 selectively interfering with an upper portion of the outer surface of the substrate.

The stop motor generates a rotational power and provides it to the rotational shaft, and for this purpose, a power transmission member such as a belt is surrounded by an outer circumferential surface of the right end of the rotational shaft (see FIG. 3B).

A plurality of stoppers are axially coupled to the rotary shaft. That is, eight stoppers are coupled to the rotary shaft to allow two stoppers to contact each wheel (W).

In addition, the stopper may be configured to have a variety of shapes in terms of being able to selectively contact with the outer surface of the car wheel (W) by rotating at the same time when the rotary shaft is rotated, in the embodiment of the present invention is approximately "a" shape It was configured to have.

On the other hand, the left side of the stacking unit 300 is provided with a roller assembly 400 as shown in Figure 3a. The roller assembly 400 is provided with a plurality of the same shape is responsible for the predetermined length of the wheel (W).

That is, the first heating unit 500, the cooling unit 600, the redirection unit 700 and the second heating unit 800 are disposed to be located between the pair of roller assembly 400, the vehicle wheel (W) passes through the roller assembly 400 after passing through the first heating unit 500, the cooling unit 600, the turning unit 700 and the second heating unit 800 through the roller assembly 400. Are conveyed accordingly.

Specifically, referring to FIG. 1, the roller assembly 400 is cooled between the first roller assembly 400a and the first heating unit 500 located between the lamination unit 300 and the first heating unit 500. The second roller assembly 400b positioned between the unit 600, the third roller assembly 400c positioned between the redirection unit 700 and the second heating unit 800, and the second heating unit 800; It comprises a fourth roller assembly 400d located between the unloading unit 900.

In addition, the roller assembly 400 includes a plurality of rotatable rollers R arranged in three layers, and a lower portion of the roller assembly 400 includes a transfer cylinder 420 for forcing the roller assembly 400 to move in a left / right direction.

That is, the transfer cylinder 420 can be selectively extended in the left / right direction, one end of the transfer cylinder 420 is coupled to the roller assembly 400.

Therefore, the roller assembly 400 is moved left / right in a state in which the wheels W are loaded, according to the length of the transfer cylinder 420, so that the stacking unit 300 or the first heating unit 500 is moved. Proximity (in the case of FIG. 3A).

Hereinafter, the configuration of the first heating unit will be described with reference to FIGS. 4A to 4D.

Figure 4a is a front view showing a first heating unit which is one configuration of the heat treatment apparatus according to the present invention, Figure 4b is a side view showing a first heating unit, Figure 4c is a first heating furnace transfer machine installed inside the first heating unit And a front view showing a first furnace aligner, and FIG. 4D is a side view showing the first furnace hopper and the first furnace aligner.

As shown in the drawing, the first heating unit 500 is an apparatus for receiving and heating an automobile wheel W, which is stacked in the lamination unit 300, and passes through the roller assembly 400 therein, wherein the automobile wheel ( W) is a configuration for the solution (soluting) process.

To this end, the first heating unit 500, as shown in the drawing, the first heating unit 500 is a first heating furnace 510 for heating the car wheel (W), and the first heating furnace 510 The first heat supply 520 for supplying heat to the inside, the first fan 530 for selectively exhausting the heat inside the first heating furnace 510, and the first heating furnace 510 A first heating furnace door 540 for selectively shielding an entrance and exit of the first heating furnace, a first heating furnace transporter 550 for transferring an automobile wheel W from the inside of the first heating furnace 510, and the first heating The first heating furnace aligner 560 is arranged to vertically align the wheels W to be transported in three rows and four rows along the Roy Transporter 550.

The first heating furnace 510 is selectively shielded inside by the up / down movement of the first heating furnace door 540, and receives the heat from the first heat supply 520 to provide the vehicle wheel (W). ) Will be heat treated.

At this time, the operation of the first heating furnace transporter 550 is stopped to support the automobile wheel (W) in the upward direction, the first ventilator 530 also stops without operating and the inside of the first heating furnace (510) Do not let the heat dissipate to the outside.

The first heat supply 520 is configured to provide heat by igniting an LG or LPG to generate a flame in the first heating furnace 510.

Therefore, the first heat supply 520 is configured to include a plurality of first burners 522 to supply heat evenly to a plurality of automobile wheels W charged in the first heating furnace 510, The plurality of first burners 522 may be formed to be spaced apart from each other by a predetermined interval.

In addition, the plurality of first burners 522 may control the amount of heat generated, and may adjust the amount of fuel gas supplied to have different amounts of heat generated according to positions inside the first heating furnace 510.

For example, the left / right side in which the first heating furnace door 540 is located in the first heating furnace 510 has a larger heat loss than the center of the inside of the first heating furnace 510. The first burner 522 installed close to) may be configured to supply more fuel gas so that the plurality of automobile wheels W may be heated at the same temperature condition.

The first heating furnace sensor 512 is provided on the right side of the first heating furnace 510 (see FIG. 4B). The first heating furnace sensor 512 is a thermocouple applied to measure the heat amount of the first heat supply 520 by measuring the upper / lower temperature of the interior space of the first heating furnace 510.

In addition, the plurality of first heating furnace sensors 512 may be provided to measure a temperature difference according to the height of the inner space of the first heating furnace 510. In the embodiment of the present invention, the first main sensor 514 is provided. And a first auxiliary sensor 516.

Therefore, the temperature of the inside of the first heating furnace 510 is measured through the first main sensor 514 and the first auxiliary sensor 516 stops operating, when the first main sensor 514 is damaged. The temperature of the inside of the first heating furnace 510 may be continuously sensed by operating the first auxiliary sensor 516.

The pair of first heating doors 540 are configured to slide in the vertical direction by stretching the length of the cylinder C fixed in the vertical direction, and simultaneously open according to the heat treatment condition of the vehicle wheel W. Or it may be shielded, and optionally open as needed.

The first heating furnace feeder 550 is configured such that a plurality of rollers (R) are spaced apart in parallel, the rotational force of the motor (M) is transmitted to the roller (R) by a force transmission member (F), such as a chain or belt. The vehicle wheel W is transferred to the left direction.

On the other hand, the first heating furnace aligner 560 is provided on the left side and the center of the inside of the first heating furnace 510, respectively. The first heating furnace aligner 560 rotates the automobile wheels W located on the respective floors when the automobile wheels W transported in the left direction along the first heating furnace transporter 550 are transferred at different speeds. It is configured to be transported in the left direction after aligning by stopping on the same vertical line.

In addition, the first heating furnace aligner 560 when the car wheel (W) of any of the three layers of the car wheel (W) to transport along each roller (R) is missing without being transported It is configured to detect this.

Hereinafter, the configuration of the first heating furnace aligner 560 will be described in detail with reference to FIGS. 4C and 4D. The first heating furnace aligner 560 has a plurality of alignment stages having a side shape having a substantially “a” shape ( 562, a rotating rod 564 axially coupled to the plurality of alignment tables 562, an alignment cylinder 566 that is selectively extended in length, and an upper side of the alignment cylinder 566 and the rotating rod 564. It is coupled to the configuration including a connecting rod 568 to rotate the rotating rod 564 according to the stretch of the length of the alignment cylinder 566, and a sensor for detecting the presence or absence of the wheel (W 469) do.

The alignment table 562 is configured to restrict the transfer of the car wheel (W) by selectively contacting the outer surface of the car wheel (W) when the rotary bar 564 is rotated.

The rotating rod 564 crosses the first heating furnace 510 left / right (see FIG. 4D), and both ends thereof are exposed to the outside, and the connecting rod 568 is coupled to the left end. The connecting table 568 is rotatably coupled to the lower left side of the alignment cylinder 566, the connector 565 is rotatably coupled to the upper, middle, and lower right. And, the upper end of the connector 565 is fitted with the rotary rod 564.

Therefore, when the alignment cylinder 566 is elongated in the state as shown in Figure 4d, the connecting rod 568 is lifted in the upward direction, wherein the connector 565 is rotated to rotate the rotary rod 564. do. In addition, the alignment bar 562 also rotates by the rotation of the rotating rod 564.

When the alignment table 562 is rotated, the contact between the alignment table 562 and the wheel (W) is terminated to allow the transport of the wheel (W), the car wheel (W) is shown in Figure 4a and Likewise, the first heating furnace 510 may be arranged in three columns and four rows from the left side.

As described above, when the automobile wheel W is arranged inside the first heating furnace 510 by the operation of the first heating furnace aligner 560, the first heating furnace door 540 is shielded and the first heat supplier ( 520 is used for heating.

When the inside of the first heating furnace 510 becomes higher than the preset temperature by the first heat supplier 520, the first fan 530 is operated to exhaust the air.

Hereinafter, the configuration of the cooling unit 600 will be described with reference to FIGS. 5A and 5B.

Figure 5a is a front view showing a cooling unit 600 of one configuration of the heat treatment apparatus according to the present invention, Figure 5b is a state diagram showing the operating state of the cooling unit 600.

As shown in the drawing, the left / right sides of the cooling unit 600 are provided with a second roller assembly 400b and a third roller assembly 400c, and are heated and loaded in the first heating unit 500. (W) moves to the left along the upper surface of the second roller assembly 400b and flows into the cooling unit 600.

At this time, the vehicle wheel (W) is arranged in one row of three rows of four columns flows into the cooling unit 600.

Referring to the configuration of the cooling unit 600 for this action in more detail, the cooling unit 600 has three cooling rollers 610 are spaced apart in the vertical direction, the left / right side of the cooling unit 600 Since the second roller assembly 400b and the third roller assembly 400c are located on the same plane as each of the cooling rollers 610, the loading and unloading of the automobile wheel W is possible.

To this end, the cooling unit 600 includes a cooling frame 630 for forming a frame, cooling means 640 for cooling the vehicle wheel W introduced into the cooling frame 630 by lifting and lowering, and It is configured to include the cooling roller 610.

The cooling frame 630 is recessed downward from the ground and installed above the cooling tank 660 in which water or oil is accommodated, and has a vertically hexahedral shape.

In addition, the cooling frame 630 is left / right open to allow the inflow and outflow of the automobile wheel (W), it is formed long in the front / rear direction so that four rows of the automobile wheel (W) can be introduced at the same time.

The cooling means 640 is configured to move in the up / down direction while the cooling roller 610 is rotatably installed, and the automobile wheel W is seated on the upper surface of the cooling roller 610.

Looking at the configuration of the cooling means 640, the cooling means 640, the roller frame 641 in which the cooling roller 610 is installed, and to guide the vertical movement of the roller frame 641 Cooling rail 642, a cooling motor 644 for generating the rotational power, and a wire for raising / lowering the roller frame 641 by transmitting the rotational power of the cooling motor 644 to the roller frame 641 ( 645 and a cooling pulley 646 for guiding the up / down movement of the wire 645.

The cooling rail 642 is vertically fixed at the center of the roller frame 641, and a lower end thereof extends near the bottom of the cooling tank 660.

Therefore, the cooling roller 610 can be accommodated in the cooling tank 660, wherein the automobile wheel (W) can be seated on the upper surface of the three cooling rollers 610 are located in parallel in the up / down direction. do.

The roller frame 641 is a linear reciprocating operation in the up / down direction along the cooling rail 642, the guide roller 663 is provided in the upper and lower center portion of the roller frame 641.

The guide roller 643 may help to linearly reciprocate the roller frame 641 by rolling along the cooling rail 642.

The wire 645 is guided downward position by the cooling pulley 646, the lower end is fixedly coupled to the upper surface of the roller frame 641. Therefore, when the cooling motor 644 is rotated to wind the wire 645, the wire 645 is stretched upward in the downward direction by the cooling pulley 646, so that the roller frame 641 and the motor vehicle are wound. The wheel W is raised and lowered at the same time.

And, since the depth of the cooling tank 660 is configured to be longer than the height of the roller frame 641, the wire 645 is released in the downward direction so that the roller frame 641 is completely inside the cooling tank 660. When locked (see FIG. 5B), the vehicle wheel W may be rapidly cooled by water or oil filled in the cooling tank 660.

The automobile wheel W cooled by the cooling unit 600 is transferred to the third roller assembly 400c by rolling motion of the cooling roller 610 and then charged into the turning unit 700.

Hereinafter, the configuration of the redirection unit 700 will be described with reference to FIGS. 6A and 6B.

Figure 6a is a plan view showing a direction change unit 700 which is one configuration of the heat treatment apparatus according to the present invention, Figure 6b is a state diagram showing the operating state of the direction change unit 700.

As shown in the drawing, the redirection unit 700 has a shape similar to that of the roller assembly 400 and is configured to be rotatable within a 90 ° range with respect to the upper end.

Therefore, the vehicle wheel W charged from the right side to the left side of the redirection unit 700 can be reloaded into the fourth roller assembly 400d after the 90 ° clockwise rotation of the redirection unit 700.

Looking at the detailed configuration of the redirection unit 700, the redirection unit 700 has a shape similar to the roller assembly 400 largely loaded so that the car wheel (W) is loaded in a stacked state therein Frame 720, the fan-shaped rotation guide frame 740 for guiding the rotation of the loading frame 720, and the car wheel (W) loaded in the loading frame 720 so as not to fall to the outside. Restriction drop prevention unit 760, and the loading frame 720 is configured to include a rolling means 780 forcing the rotation by a rolling action.

The loading frame 720 is configured to be stacked in four rows and three rows of the automobile wheel (W), the upper end is provided with a direction change shaft 722.

The direction change shaft 722 is rotatably coupled with the upper right side of the rotation guide frame 740 to guide the rotation of the loading frame 720 and prevent the departure.

The bottom of the loading frame 720 is provided with a plurality of wheels 724, the wheel 724 is configured to roll along the curved rail 742 provided in the rotation guide frame 740.

The curved rail 742 is composed of two to have the same curvature, the two curved rails 742 are arranged to overlap the two concentric circles.

Therefore, the loading frame 720 is able to rotate within the 90 ° range with respect to the turning shaft 722 when the wheel 724 is rolling along the curved rail 742.

In addition, the loading frame 720 is provided with a rolling means 780. The rolling means 780 is configured to rotate the heavy loading frame 720 by using a plurality of automobile wheels (W) to rotate by using the rotational power of the rotary motor 782, connected to the wheel 724 and the chain By driving or further provided with a separate rolling member (not shown), by providing a rotational power to such a rolling member may be configured to rotate the loading frame 720.

An inner left side of the loading frame 720 is provided with a drop guard 760. The drop preventing member 760 is selectively rotated to be in contact with the outer surface of the car wheel (W) to prevent the fall of the car wheel (W), such as the first heating furnace aligner 560 described above. It can also be configured to interfere with the one-way movement of the car wheel (W) by using the force of the cylinder (C), one-way movement of the car wheel (W) by using the rotational power of the motor, such as the above-described drop prevention stopper 320 May interfere.

Detailed configuration description of the fall prevention 760 will be omitted.

The vehicle wheel W is charged into the fourth roller assembly 400d by the turning unit 700 configured as described above, and the vehicle wheel W is loaded into the second heating unit 800. Heated.

Detailed configuration of the second heating unit 800 will be described with reference to FIGS. 7A and 7B.

Figure 7a is a side view showing a second heating unit 800 of one configuration of the heat treatment apparatus according to the present invention, Figure 7b is a front view showing a second heating unit 800.

As shown in the drawing, the second heating unit 800 is a device for receiving and heating the vehicle wheel W therein via the fourth roller assembly 400d after the direction is changed in the redirection unit 700. As an example, the vehicle wheel W is configured to age.

To this end, the second heating unit 800 includes a second heating furnace 810 for heating the automobile wheel W, and a second heat supplier 820 for supplying heat into the second heating furnace 810. ), A second ventilator 830 for selectively exhausting heat in the second heating furnace 810, and a second heating furnace door 840 for selectively shielding an entrance and exit of the second heating furnace 810. ), A second heating furnace transporter 850 for transporting the wheels of the car W in the second heating furnace 810, and three rows and four rows arranged along the second heating furnace transporter 850. It comprises a second heating furnace aligner 860 for aligning the wheel (W) in the longitudinal direction.

The second heating furnace 810 is selectively shielded inside by the up / down movement of the second heating furnace door 840, and receives the heat from the second heat supplier 820 to the vehicle wheel (W). ) Will be heat treated.

At this time, the operation of the second heating furnace transporter 850 is stopped to support the vehicle wheel (W) in the upward direction, and the second ventilator 830 also stops without operating, thereby inside the second heating furnace 810. Do not let the heat dissipate to the outside.

The second heat supply 820 is configured to provide heat by igniting an LG or LPG to generate a flame in the second heating furnace 810.

Therefore, the second heat supply 820 is configured to include a plurality of second burners 822 to supply heat evenly to a plurality of automobile wheels W charged in the second heating furnace 810, The plurality of second burners 822 may be formed to be spaced apart from each other by a predetermined interval.

In addition, the plurality of second burners 822 may control the amount of heat generated, and may adjust the amount of fuel gas supplied to have a different amount of heat depending on the position of the second heating furnace 810.

For example, the left / right side where the second heating furnace door 840 is located in the second heating furnace 810 has a larger heat loss than the center of the inside of the second heating furnace 810. The second burner 822 installed close to) may be configured to supply more fuel gas so that the plurality of automobile wheels W may be heated at the same temperature condition.

A second heating furnace sensor (reference numeral 812 of FIG. 7B) is provided on the right side of the second heating furnace 810 (see FIG. 4B). The second heating furnace sensor is a thermocouple applied to measure the upper / lower temperature of the inner space of the second heating furnace 810 to control the amount of heat generated by the second heat supply 820.

In addition, the plurality of second heating furnace sensors may be provided to measure a temperature difference according to the height of the inner space of the second heating furnace 810. In the embodiment of the present invention, the second main sensor 814, and It consists of two auxiliary sensors (816).

Accordingly, the temperature of the second heating sensor 810 is measured through the second main sensor 814, and the second auxiliary sensor is stopped. The sensor 816 may be operated to continuously sense the temperature inside the second heating furnace 810.

The pair of second heating doors 840 are configured to slide in the vertical direction by stretching the length of the cylinder C fixed in the vertical direction, and simultaneously open according to the heat treatment condition of the vehicle wheel W. Or it may be shielded, and optionally open as needed.

The second heating furnace feeder 850 has a plurality of rollers (R) spaced apart in parallel in the left / right direction, the rotational force of the motor (M) roller (R) by a force transmission member (F), such as a chain or belt It is configured to be delivered to the) to transport the vehicle wheel (W) to the left direction.

On the other hand, the second heating furnace aligner 860 is provided on the left side and the center of the second heating furnace 810, respectively. The second heating furnace aligner 860 rotates the automobile wheels W located on the respective floors when the automobile wheels W transported in the left direction along the second heating furnace transporter 850 are transferred at different speeds. It is configured to be transported in the left direction after aligning by stopping on the same vertical line.

The second heating furnace aligner 860 is missing any of the car wheels W without transferring any of the car wheels W of three layers that are transported along the respective rollers R. As shown in FIG. It is configured to detect this.

Since the second heating furnace aligner 860 has the same configuration and operation as the first heating furnace aligner 560 described above, a detailed description thereof will be omitted.

When the automobile wheel W is arranged inside the second heating furnace 810 by the operation of the second heating furnace aligner 860, the second heating furnace door 840 is shielded and the second heat supplier 820 is closed. It is heated using.

When the inside of the second heating furnace 810 becomes higher than the preset temperature by the second heat supplier 820, the second fan 830 is operated to exhaust the air.

Hereinafter, the configuration of the unloading unit 900 will be described with reference to FIGS. 8A and 8B.

The unloading unit 900 is unloaded after being heated in the second heating unit 800 and unloaded in three rows and four rows of automobile wheels W transferred by the fifth roller assembly 400e into one single layer. It is for the configuration.

Therefore, the unloading unit 900 has a combination of the above-described stacking unit 300, the cross guide unit 200 and the first transfer unit 100, and is configured to perform the opposite action.

To this end, the unloading unit 900 includes unloading means 920 for elevating the wheel wheels W stacked in three rows and four rows in an up / down direction, and a single-layer four row car from the unloading means 920. And a second transport unit 960 for guiding the wheel W to be drawn out and the second transport unit 960 for guiding the wheel W drawn by the drawing means 940.

Therefore, the vehicle wheel W loaded after being heated in the second heating unit 800 is charged into the unloading means 920 after passing through the fifth roller assembly 400e, wherein the vehicle wheel W is Three rows of four columns and one row are charged at the same time. Of course, the unloading means 920 is provided with a stop means 922 which performs the same role as the anti-dropping stopper 320 provided in the stacking unit 300, and the wheel of the car loaded into the unloading means 920. By selectively interfering with (W), it is possible to prevent the fall.

Thereafter, the unloading means 920 raises the car wheels W stacked in three layers and then pulls them down from the car wheel W positioned at the bottom to the right, that is, the upper surface of the drawing means 940. The vehicle wheels W of the single-layer single row drawn out to the upper surface of the drawing means 940 are conveyed in the cross direction by the second transfer unit 960.

Hereinafter, with reference to the accompanying Figure 9 will be described a continuous heat treatment method of the vehicle wheel (W) using the heat treatment device configured as described above.

9 is a process flowchart showing a continuous heat treatment method of the automobile wheel W using the heat treatment apparatus according to the present invention.

As shown in the drawing, a method of continuously heat-treating the aluminum alloy, the first transfer step (S100) for transferring the car wheel (W) listed in a single layer in one direction, the transfer in the direction crossing the car wheel (W) The second transfer step (S200), the stacking step (S300) to charge the car wheel (W) into the stacking unit 300 to be laminated in multiple layers, and the car wheel (W) to the first heating unit ( Cooling step (S500) of charging the first heating step (S400) and heating the heated car wheel (W) by using one or more of the cooling method of oil cooling, water cooling, air cooling using the cooling unit 600 (500). ), And after the cooled car wheel (W) is stacked in the direction change unit 700 in a stacked state and rotated to change the transport direction (S600), and the transport direction is switched car wheel (W) Is charged into the second heating unit 800 to heat the second heating step (S700) and the heated car wheel (W) cross It consists of a third transfer step (S800) for transferring in the direction.

The first transfer step (S100) is a process of transferring the wheels (W) listed in a single layer by the rolling action of the roller 140, four car wheels (W) on the upper surface of the roller 140 as shown in Figure 12a ) Can be seated.

Thereafter, a second transfer step S200 is performed using the cross guide unit 200 to guide the vehicle wheel W in a direction crossing the transfer direction of the first transfer unit 100.

As the second transfer step S200 is performed, the automobile wheel W is transferred in a left direction as shown in FIG. 3A, and is stacked into three layers by charging four rows of single layers into the stacking unit 300. (Lamination step: S300).

More specifically, the car wheel (W) is charged from the upper side of the laminated roller 310 located on the uppermost side while the lifting frame (341) is lowered to the lower side and a portion is accommodated in the escape portion (H), the vehicle The wheel (W) is stopped by the left direction transfer is limited by the drop prevention stopper (320).

In this state, the wire 345 is twisted by the rotational power of the lifting motor 344, and the second and third laminating rollers 310 when the lifting frame 341 is lifted upward as the wire 345 is wound up. By sequentially loading the car wheels W on the upper surface, the three-layer lamination step S300 of the car wheels W is completed.

After the lamination step S300, the automobile wheel W is drawn out to the left by the first roller assembly 400a in a state of being laminated in three layers, and the first heating step S400 is performed.

The first heating step (S400) is a three-tiered four-row car via the first roller assembly 400a in a state in which the first heating furnace door 540 moves upward to open the first heating furnace 510. After charging the wheel (W) in sequence, and shielding the first heating furnace door 540 when the car wheel (W) is loaded in the first heating furnace 510 as shown in Figure 4a, the first row The process of heating the automobile wheel (W) by using the feeder (520).

That is, in the first heating step S400, when the plurality of car wheels W moving inside the first heating unit 500 are aligned on the same straight line, each car wheel W located at different heights. It is optionally transported to and heated after repeated multiple times.

In the embodiment of the present invention, the first heating step (S400) generates an flame by supplying an LG engine (LNG) to the first heat supply 520, and rapidly raising the temperature for 45 minutes to heat the temperature inside the first heating furnace 510. Was soaked at 545 ° C. and heated for 165 minutes.

At this time, the temperature inside the first heating furnace 510 is continuously measured by the first heating furnace sensor 512, the first ventilator 530 is compared with the temperature required inside the first heating furnace 510 It is set to operate at elevated temperatures up to 58%.

That is, the first ventilator 530 does not operate until the temperature inside the first heating furnace 510 reaches 350 to 400 ° C., thereby minimizing heat loss of the first heating furnace 510 and thus providing rapid heating. It becomes possible.

When the first heating step S400 is completed as described above, the cooling step S500 is performed. The cooling step (S500) is a roller frame 641 of the cooling unit 600 after the vehicle wheel (W) loaded after the solution treatment in the first heating unit 500 via the second roller assembly 400b. It is the process of quenching by being submerged in the water or oil contained in the cooling tank 660 (see FIG. 5B).

At this time, the temperature of the vehicle wheel (W) is cooled to 35 ℃.

After the vehicle wheel (W) is passed through the third roller assembly (400C) is transferred by the direction changing unit 700 (direction switching step: S600).

That is, the vehicle wheel W is loaded into the loading frame 720 in a state in which the loading frame 720 is close to the third roller assembly 400c as shown in FIG. 6A, and the loading frame 720 is a rotary motor ( The rotational force generated at 782 causes the wheel 724 to rotate 90 ° clockwise with respect to the turning shaft 722 according to the rolling motion of the wheel 724.

At this time, the loading frame 720 is in a state close to the fourth roller assembly (400d) as shown in Figure 6b is the transfer direction of the car wheel (W) is switched, and then the car wheel (W) to the fourth roller assembly (400d) ) Can be transferred.

Of course, the fall prevention 760 is to prevent the fall by interfering the outer surface of the car wheel (W) while the loading frame 720, the direction switching unit 700 is a pair of roller assembly 400 The reciprocating rotation within a certain angle range between.

After the redirection step (S600), a second heating step (S700) is carried out. The second heating step (S700) is a process of charging the vehicle wheel (W) transferred along the fourth roller assembly (400d) by changing the transport direction into the second heating unit (800) to heat.

That is, in the second heating step (S700) the car wheel (W) is transported along the upper surface of the second heating furnace transporter (850), intermittently interposed by the second heating furnace sorter (860) in the middle of the temporary The transfer is stopped.

In addition, the second heating furnace sensor 812 detects whether the vehicle wheel W, which is interrupted by the second heating furnace aligner 860, is stopped on all three floors, as shown in FIG. 7A. When the three wheels are aligned vertically without missing the wheels W, the second heating furnace aligner 860 may allow the wheels W to be transported to the left by releasing interference.

That is, in the second heating step S700, when the plurality of car wheels W moving inside the second heating unit 800 are aligned on the same straight line, each car wheel W located at different heights. Is optionally transported to.

When the above process is repeated a plurality of times, inside the second heating furnace 810, the automobile wheels W of three rows and four columns are arranged as shown in FIG. 7A, and the second heating furnace is arranged in this state. The door 840 shields the inside of the second heating furnace 810 and then supplies fuel to the second heat supply 820 to heat the second heating supply 810 (second heating step: S700).

In the embodiment of the present invention, the second heating step S700 is heated to 30 ° C. for 30 minutes and maintained at 160 ° C. for 114 minutes to allow the automobile wheel W to be aged.

Thereafter, the heating door 840 is opened and the second heating furnace feeder 850 is operated so that the automobile wheel W is transferred to the fifth roller assembly 400e.

Thereafter, the third transfer step S800 is performed. The third transfer step (S800) simultaneously accommodates the three-row and four-row car wheels W that are transferred in the right direction (see FIG. 8A) along the fifth roller assembly 400e by using the unloading means 920. By changing the height of the wheel (W) accommodated in the third floor and withdrawal by using the withdrawal means 940, it is made by repeatedly guiding in the cross direction using the second transfer unit 960. .

When the third transfer step (S800) is completed, the car wheel (W) is listed in a single layer of one row, continuous heat treatment of the car wheel (W) using a heat treatment apparatus as a plurality of steps as described above in succession Is done.

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

For example, in the cooling step of the embodiment of the present invention, the automobile wheel is configured to be cooled by water cooling or oil cooling, but it is obvious that it may be configured to be cooled by air cooling with a blower if necessary.

According to the continuous heat treatment apparatus for an automobile wheel according to the present invention as described in detail above, the solution and the aging treatment can be carried out continuously.

Therefore, it is possible to increase the space utilization by reducing the standby space for heat treatment, there is an advantage that can maximize the productivity and safety improvement due to the continuous heat treatment.

In the present invention, the cooling unit is provided so that the cooling step can be continuously performed between the solution treatment and the aging treatment.

Therefore, since the car wheel can be cooled by one or more cooling methods of water cooling and oil cooling, various cooling conditions can be provided to the car wheel, thereby improving convenience of use.

In addition, in the present invention, the car wheels that are continuously guided in a single layer are laminated in a plurality of layers, so that a large amount of solution and aging treatment may be applied. It was.

Therefore, since the stacked multiple wheels can have an even quality, the defect rate is reduced and the quality is improved.

Claims (5)

delete delete delete delete A first transport frame supporting loads of a plurality of parts and forming a frame, a plurality of rollers rotating while being spaced apart from an upper portion of the first transport frame, a transport motor generating rotational power, and rotation of the transport motor A first transfer unit made of a force transfer member for transmitting power to the rollers, the first transfer unit transferring a vehicle wheel arranged in a single layer in a longitudinal direction by rotation of a plurality of rollers; The car wheel is provided inside the first transport unit, and lifts the car wheel with a chain selectively passing between a plurality of rollers during a linear reciprocating motion in an up / down direction, and moves the car wheel according to the rotation of the chain. A cross guide unit for guiding in a direction intersecting the conveying direction; A stacking frame forming a frame, a stacking roller supporting a car wheel sent from the cross-guiding unit to a single layer in a plurality of layers, a drop preventing stopper for preventing a car wheel seated on the stacking roller from falling off; A lamination unit configured to lift and lower the lamination frame so as to allow the automobile wheels of a single layer to be spaced apart from the lamination rollers, and to stack the automobile wheels moving in a single layer in multiple layers; A first heating furnace for heating the stacked automobile wheels, a first heat supplier for supplying heat into the first heating furnace, a first fan for selectively exhausting heat in the first heating furnace, A first heating furnace door for selectively shielding an entrance and exit of the first heating furnace, a first heating furnace transporter for transporting an automobile wheel to a plurality of floors in the first heating furnace, and a first heating furnace transporter A first heating unit arranged to vertically align the transferred car wheels, the first heating unit heating and heating the car wheels in a stacked state to perform a solution treatment; A cooling frame forming a frame, a plurality of cooling tanks recessed downward from the ground at the lower side of the cooling frame to receive water or oil, a cooling roller for supporting the automobile wheels in multiple layers, and flowing into the cooling frame. A cooling unit configured to lift and lower the used car wheels to draw in and draw out into the cooling tank, and to cool the car wheels heated in the first heating unit by at least one of oil cooling, water cooling, and air cooling; A loading frame loaded in a state in which car wheels cooled in a plurality of layers are stacked, a fan-shaped rotation guide frame for guiding rotation of the loading frame, and an automobile wheel loaded in the loading frame fall outside. It is made of a drop preventing means for restricting to prevent and the rolling means for forcing the loading frame to rotate by a rolling action, rolling by rolling along a curved rail to be laminated by reciprocating rotation within a range of 90 ° relative to one end A direction switching unit for simultaneously switching a traveling direction of a plurality of vehicle wheels; A second heating furnace for heating an automobile wheel, a second heat supplier for supplying heat into the second heating furnace, a second fan for selectively exhausting heat inside the second heating furnace, and the second heating furnace; A second heating furnace door for selectively shielding the entrance and exit of the second heating furnace, a second heating furnace transporter for transporting an automobile wheel inside the second heating furnace, and a plurality of layers along the second heating furnace transporter A second heating furnace aligner for aligning the transferred car wheels in a vertical direction, and heating the plurality of car wheels in which the traveling direction is changed through the direction switching unit in a stacked state to age the second heating unit A unit; Unloading means for lifting up and down a plurality of car wheels of the laminated state heated in the second heating unit in the up / down direction, withdrawal means for withdrawing a single layer of the car wheel from the unloading means, and the withdrawal means is withdrawn An unloading unit comprising a second transfer unit guiding one car wheel in a direction crossing the wheel; A first roller assembly located between the lamination unit and the first heating unit, a second roller assembly located between the first heating unit and the cooling unit, and a third roller assembly located between the turning unit and the second heating unit And a fourth roller assembly positioned between the second heating unit and the unloading unit, the roller assembly including the roller assembly for simultaneously conveying the stacked automobile wheels, wherein the first roller assembly to the fourth roller assembly are the same. Continuous heat treatment apparatus of an automobile wheel, characterized in that it has a shape and size.

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