JPH0644507B2 - High frequency electromagnetic induction heating device for peeling - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to the case of peeling a patch or a patch applied with an adhesive on a metal surface for repair or repair. The present invention relates to a high-frequency electromagnetic induction heating device for peeling, which facilitates the peeling by self-heating the metal surface thereof, for example, a patch or a coating on the floor of a railway vehicle, or a paint on the side surface of a railway vehicle or a ship. It is used for peeling off paint on automobiles.

[Prior Art] On metal surfaces of floors and walls of railway vehicles, ships, automobiles, etc.
In the case of peeling a patch or a coated product for repair or repair, conventionally, it is often done by a sander, a vibrating tool, spraying high-pressure water, or applying a release agent.

[Problems to be Solved by the Invention] As described above, when peeling a sticky or coated object on a metal surface for repair or repair, conventionally, a sander, a vibrating tool, high-pressure water spraying, and peeling are conventionally used. Since it is performed by applying the agent, there are problems such as dust, vibration, rust and generation of harmful gas.

The present invention is intended to solve such a problem. That is, the present invention provides a high-frequency electromagnetic induction heating apparatus for peeling, which can facilitate the peeling of a patch or a coating material on a metal surface and is free from dust, vibration, rust, harmful gas generation, etc. The purpose is.

[Means for Solving the Problems] In order to achieve the above object, the peeling high-frequency electromagnetic induction heating device of the present invention has a surface to be contacted with an object which is at least one of adhered and applied on a metal surface. And a high frequency electromagnetic induction coil and a magnetic body provided inside, and a main body having a cover provided on the opposite side of the bottom plate, and a cord connected to a power source and the high frequency electromagnetic induction. An electronic control unit is provided between the coil and the coil to drive the high frequency electromagnetic induction coil and control the temperature.

[Operation] According to the present invention, the bottom plate of the main body is brought into contact with the object on the metal surface, and the high-frequency electromagnetic induction coil is energized from the power source through the electronic control unit so that the metal side of the object is subjected to the high-frequency electromagnetic induction. Can be heated by itself to soften the surface of the bonding surface of the object and facilitate peeling. In this case, the magnetic flux guides the magnetic flux generated by energizing the high frequency electromagnetic induction coil to the metal surface that is the object, and has the effect of increasing the self-heating effect, and the magnetic flux is guided according to the projection surface of the magnetic flux to the object. Therefore, the shape of the heating surface can be freely set by providing a magnetic body that projects the shape to be heated.

[Embodiment] FIG. 1 is a side view showing a first embodiment of the present invention.

In FIG. 1, 1 is a main body, which will be described later, 2 is an electronic control unit, 3 is a handle for holding and moving, and 4 is a cord to be connected.

FIG. 2 is a sectional view mainly showing the main body 1 of FIG.

In FIG. 2, 5 is a metal plate, 6 is an object, and 7 is a joint surface. Further, 8 is a bottom plate, 9 is a high frequency electromagnetic induction coil, 1
Reference numeral 0 is a magnetic body, and 11 is a cover. That is, the main body 1
Is a bottom plate 8 and a high frequency electromagnetic induction coil 9 provided inside.
It also has a magnetic body 10 and a cover 11 provided on the opposite side of the bottom plate 8.

To further explain, the object 6 is on the surface of the metal plate 5,
It is a P-tile, Ron Rume, carpet, etc. adhered with an adhesive, or an epoxy coating, urethane coating, general coating, etc.

The bonding surface 7 is an adhesive surface for a patch, and is a boundary surface between the coating material and the metal plate 5 for a coating material. When these surfaces are concave or convex, the bonding surface 7 has a similar curvature. It can be convex or concave.

The bottom plate 8 serves as a contact surface to the target object 6, and shields heat from the target object 6 and holds and insulates the high frequency electromagnetic induction coil 9. The bottom plate 8 may have any planar shape such as a square, a circle, an oval, and a curved oval in consideration of workability.

The high frequency electromagnetic induction coil 9 is driven by the electronic control unit 2,
A high-frequency current flows to generate high-frequency electromagnetic induction, but the planar shape of the coil 9 is arbitrary as shown in FIGS. 3 (a), (b) and (c) according to the planar shape of the bottom plate 8. Can be in the shape of.

The magnetic body 10 is an insulating magnetic body and forms a magnetic path on the side opposite to the bonding surface to hold and insulate the high frequency electromagnetic induction coil 9. It plays the role of creating a heating projection surface that is almost the same as the planar shape.

The cover 11 covers the bottom plate 8, the high frequency electromagnetic induction coil 9 and the magnetic conductor 10.

The electronic control unit 2 drives the high frequency electromagnetic induction coil 9 to control the temperature.

In the high-frequency electromagnetic induction heating apparatus for peeling shown in FIG. 1, as shown in FIG.
The surface of the object 6 is brought into contact with the object 6, and the high frequency electromagnetic induction coil 9 is energized from the power source through the electronic control unit 2 to self-heat the metal plate 5 on the joint surface 7 of the object 6 by the high frequency electromagnetic induction. The surface of the object 6 of the joint surface 7 can be softened and peeling can be facilitated.

As a specific example of specifications, the high frequency electromagnetic induction frequency is several KHz to several tens KHz, and the power supply is AC 100V single phase 15A (or less) or AC 200V single phase 30A (or less) or AC 200V.
Three-phase 30A (or less), a joint surface temperature of about 50 to 200 ° C, and a heating area of about 100 to 200 cm ² can be mentioned.

FIG. 3 is a side view showing a second embodiment of the present invention.

In the second embodiment, since the main body 1 and the electronic control unit 2 are separated from each other, the extension cord 12 connecting them is provided, and the other points are the same as in the first embodiment.

[Effects of the Invention] As described above, according to the present invention, the bottom plate of the main body is brought into contact with the object on the metal surface, and the high frequency electromagnetic induction coil is energized from the power source through the electronic control unit to achieve the object. Since the metal side of the joint surface of the object is self-heated by high frequency electromagnetic induction and the joint surface can be softened and peeled, the peeling is extremely easy, and since the peeled object does not become a small piece, There is little dust, only the necessary parts can be worked, and there are very few scratches or small pieces left on the surface after peeling, so
The work such as finishing work is saved, the work efficiency is good, and the joint surface is directly heated, so the efficiency is also good. Further, since the magnetic body disposed on the back side of the high-frequency electromagnetic induction coil has a shape corresponding to the shape of the adhered material or the adhered material to be peeled off, the magnetic body has a magnetic path of magnetic force lines generated by the electromagnetic induction coil. It will be demarcated, and only the desired portion can be accurately peeled off. Since it is an electronic device, there are no consumables,
Since there are no moving parts, it has a long life, has a simple structure, is easy to handle, does not generate harmful components such as release agents, is safe, and has no obstacles due to vibration. Can be continuously used, and the device itself can also be continuously used. In addition, the waiting time after energization is short, heating can be started immediately after contact with the target object, and temperature control can be performed according to the place of use. Produce an effect.

[Brief description of drawings]

The drawings show an embodiment of the present invention, in which FIG.
FIG. 2 is a side view of the embodiment, FIG. 2 is an enlarged sectional view mainly showing the main body portion of FIG. 1, and FIG. 3 shows a planar shape of the main body portion. (A) is for circular heating, (b) is for For elliptical heating, (c) shows curved elliptical heating. FIG. 4 is a side view of the second embodiment. DESCRIPTION OF SYMBOLS 1 ... Main body part, 2 ... Electronic control part 3 ... Handle, 4 ... Code 5 ... Metal plate, 6 ... Target object 7 ... Joining surface, 8 ... Bottom plate 9 ... High frequency electromagnetic induction coil 10 ... Magnetic body, 11 ... Cover 12 ... Extension cord

Claims (1)

[Claims] 1. A bottom plate, which is adhered and / or coated on a metal surface and which comes into contact with a target object, a high frequency electromagnetic induction coil provided inside, and a peeling shape of the target object. A cord connected to a power source, and a high-frequency electromagnetic wave, which has a main body having a magnetic body having a shape and arranged on the back side of the high-frequency electromagnetic induction coil, and a cover provided on the opposite side of the bottom plate. A high-frequency electromagnetic induction heating apparatus for peeling, comprising an electronic control unit which is provided between the induction coil and drives the high-frequency electromagnetic induction coil to control the temperature.