KR20220170117A - Laminated core bonding apparatus for adhesive stiffening using high frequency induction heating - Google Patents

Abstract

The present invention relates to an adhesive laminated core bonding apparatus which is able to rapidly and evenly melt an adhesive layer spread on an upper surface of a lamina member by the high-frequency induction heating by a vertical rotary current loss, bond an upper surface of the lamina member with a lower surface of an upper lamina member in a stable and firm manner between layers, manufacture an adhesive laminated core at a certain height, and be used as a rotor for an electric vehicle motor and the like. According to the present invention, in manufacturing an adhesive laminated core by bonding lamina members with an adhesive spread between layers by using the high-frequency induction heating, a plurality of high-frequency induction coils arranged vertically at regular intervals radially on a support disk are inserted into high-frequency induction heating guide holes formed radially on each of lamina members at regular intervals, and the heat generated by induction heating by a vertical rotary current loss generated between the high-frequency induction coils with a high-frequency current and the lamina members is spread radially from an inner circumference of the lamina members to an outer circumference, thereby allowing the lamina members to be attached between layers.

Description

Adhesive laminated core bonding device using high frequency induction heating

The present invention relates to an adhesive laminated core bonding device using high-frequency induction heating for use as a rotor in a motor or the like of an electric vehicle by laminating a laminar member. Specifically, the adhesive layer applied to the upper surface of the lamina member is quickly and evenly melted by high-frequency induction heating by vertical eddy current loss, and the upper surface of the lamina member and the lower surface of the upper ranima member are stably and evenly melted. It is to bond between layers in a firm state to manufacture a self-adhesive laminated core of a certain height.

In general, a core is used in a rotating device such as a motor or generator, and the core is an iron core of a rotor or stator and is a part that has an important effect on the performance of the motor or generator.

In recent years, for the manufacture of the above-mentioned core, a laminated core having a structure in which lamina members of a predetermined shape are overlapped by a predetermined number and integrated into one block type is used as the core of a rotor or stator such as a generator or a motor. And, this method is disclosed in Registration Patent Nos. 10-522534 and 10-587192.

As a method of manufacturing a laminated core for laminating/integrating the laminar members, a tab fixing method using an interlock tab, a welding fixing method using, for example, laser welding, a rivet fixing method, and the like are known.

The tab fixing method has a problem in that it is difficult to perform embossing to form an interlock tab due to the trend of thinning the steel plate.

Recently, a technology for implementing the interlayer bonding of laminar members by an adhesive method has been developed. For example, the invention of manufacturing a laminated core by applying an adhesive to the surface of a metal strip supplied to a device (mold) for manufacturing a laminated core and punching (blanking) the metal strip at the portion where the adhesive is applied is a registered patent in Korea. It is disclosed in No. 10-1566491.

In the prior art, the lamina members laminated in turn inside the squeeze ring are laminated by an adhesive curing machine formed of a high-frequency induction coil installed on the inner circumference of the squeeze ring and the outer circumference of the laminated lamina member and the lamina member are heated by induction heating to heat the lamina member It is melting the adhesive applied to it.

According to this adhesively laminated core manufacturing method, the cost can be reduced compared to laser welding, and the steel sheet can respond to thinning.

However, each of the lamina members is heated by induction heating due to eddy current loss in the horizontal direction between the high-frequency induction coil installed on the outer circumference of the laminated core and the laminated core, thereby melting the adhesive applied to the lamina member and Since the lamina members are bonded between layers, the bonding efficiency can be improved, but the lamina member of the thin plate is a slot for preventing deformation of the strip supplied to the progressive mold device, a cooling protrusion, a rotation shaft insertion hole, It is provided by forming coupling holes of lamina members through punching and blanking, so that lamina members in a mixed state of narrow bridges and wide area bridges between slots are laminated. Therefore, when the laminated core is heated by the high-frequency induction heating coil installed on the outer circumference of the laminated core, the high-frequency induction coil is a coil wound at regular intervals, so when a high-frequency current flows through the induction coil, each conductor of the laminar members constituting the laminated core Eddy current occurs near the surface of the lamina member, so when the lamina member heats up due to this loss, the heat conduction diffusion is quickly transferred through the bridge with a small area rather than the bridge with a large area. As a result, the total melting time of the adhesive is increased, and since a uniform exothermic temperature is not maintained, a laminated core is produced by partial adhesion, so it is difficult to produce a stable laminated core.

In particular, in the prior art, since the high-frequency induction coil disposed around one side of the lamina members is wound at regular intervals, the lamina members adjacent to the high-frequency induction coil are induction-heated first, and the upper and lower portions of the lamina members are heated. Since heat conduction is diffused toward the laminar members, the strength of the magnetic field by the high-frequency induction coil is not uniform, so the heat generation time for the entire laminated core is long, so that rapid interlayer adhesion cannot be achieved, resulting in a significant decrease in productivity of the laminated core. .

The present invention inserts a high-frequency induction coil into the high-frequency induction heating guide hole of the laminated core to heat the laminated core by induction heating by vertical eddy current loss so that interlayer adhesion of lamina members can be achieved quickly and stably. take it as a technical challenge.

In the present invention, in manufacturing a self-adhesive laminated core by interlayer bonding of adhesive-coated laminar members using a high-frequency induction coil, a plurality of high-frequency induction coils arranged in a vertical direction at regular intervals radially on a support disc are used as a lamina. It is inserted into the high-frequency induction heating guide hole formed by radially drilling each member at regular intervals, and is generated by induction heating by vertical eddy current loss that occurs between the high-frequency induction coil to which high-frequency current is supplied and the lamina members. It is characterized in that the heat is diffused radially from the inner circumference of the lamina members in the outer circumferential direction so that the interlayer adhesion of the lamina members is achieved.

According to the present invention, heat is uniformly and rapidly conducted from the inner circumference of the high frequency induction heating guide hole generated by the induction heating of the high frequency induction coil inserted vertically into the inner high frequency induction heating guide hole of the laminar members to the outer circumference of the laminar members. By diffusing it to shorten the interlayer adhesion time of the lamina members has the effect of improving the productivity of the laminated core.

1 is a front view of a high-frequency induction coil installation state of an adhesive laminated core bonding device using high-frequency induction heating according to the present invention.
2 is a partial cross-sectional front view of an installed state in which a high-frequency induction coil of an adhesive laminated core bonding apparatus using high-frequency induction heating according to the present invention is inserted into a laminated core.
3 is a perspective view of a lamina member constituting a laminated core applied to the present invention.
Figure 4 is a perspective view of the bonded state of the laminated core applied to the present invention.
Figure 5 is a perspective view of the high-frequency induction coil coupling state of the self-adhesive laminated core bonding device using high-frequency induction heating according to the present invention.
Figure 6 is a bottom view of the support disk of the self-adhesive laminated core bonding apparatus using high-frequency induction heating according to the present invention, a view showing a state in which the high-frequency induction heating coil is disposed.
Figure 7 is a partial excerpt cross-sectional view of an adhesive laminated core bonding device using high-frequency induction heating according to the present invention.
8 is a perspective view of a state in which an upper pressing plate and a lower supporting plate are separated by induction heating by constricting the laminated core applied to the upper and lower portions of the present invention.
9 is a partial enlarged cross-sectional view of a state in which the high-frequency induction coil of the self-adhesive laminated core bonding device using high-frequency induction heating according to the present invention is inserted into an upper pressing plate, a laminated core, and a lower support plate.
Figure 10 is a plan view of a state in which the high-frequency induction coil of the self-adhesive laminated core bonding device using high-frequency induction heating according to the present invention is inserted into the high-frequency induction heating guide hole of the laminated core.
11 is an enlarged view of a high-frequency induction coil inserted into a high-frequency induction heating guide hole of a laminated core applied to the present invention.

An adhesive laminated core bonding device using high-frequency induction heating according to the present invention will be described in detail through embodiments of the accompanying drawings.

1 is a front view of a high-frequency induction coil installation state of an adhesive laminated core bonding device using high-frequency induction heating according to the present invention.

According to this, for example, the high-frequency current supplied through the power cable 200 for supplying high-frequency current to the base plate 100A of the ascending and descending means 100 that is ascended and descended by the ball screw 120 of the servo motor 110 Install a current transformer housing 300 that transforms and process, and install a support disc 10 on one side of the current transformer housing 300 as a connection support interval 11, radially around the lower circumference of the support disc 10 The high-frequency induction coil unit 20 is vertically installed downward so that each of the plurality of bar-shaped high-frequency induction coils 21 to 28 made of copper constituting the high-frequency induction coil unit 20 is disposed at regular intervals. The disposition of the plurality of rod-shaped high-frequency induction coils 21 to 28 is shown in FIGS. 5 and 10 to be described later.

Reference numeral 210 in the figure is a high-frequency current supply cable connected to the output end of the current transformer inside the current transformer enclosure 300.

1 shown above shows a state in which the base plate 100A of the ascending and descending means 100 is raised in accordance with the operation of the servo motor 110, in this case, the supply of high-frequency current by the manipulation of the not shown high-frequency current supply control means is blocked

The lifting and lowering means 100 that is lifted and lowered by the ball screw 120 of the servo motor 110 may be used instead of a cylinder and a piston.

2 is a partial cross-sectional front view of an installed state in which a high-frequency induction coil of an adhesive laminated core bonding apparatus using high-frequency induction heating according to the present invention is inserted into a laminated core.

According to this, according to the operation of the servo motor 110, the support plate 100A of the ascending and descending means 100 descends, so that the plurality of rod-shaped high-frequency induction coils 21 to 28 are respectively lower and lower than the upper pressing plate 30 A state in which the laminated core 50 is inserted into the transported laminated core 50 while being clamped between the upper portions of the lower support plate 40. In this case, by operating the high-frequency current supply control means (not shown), the high-frequency current is applied to the current inside the current transformer housing 300 It is supplied through a transformer.

The upper pressing plate 30 and the lower supporting plate 40 are a kind of jig that presses the laminated core 50 from above and below, and as shown in FIG. 8, the upper pressing plate 30 has a pressing protrusion 31 in the center a guide plate 32 protruding and having a plurality of guide holes 32A through which each of the high frequency induction coils 21 to 28 are guided around the center of the pressing protrusion 31; an upper pressing plate main body 33 formed with insertion holes 33A into which the guide holes 32A of the guide disk 32 and the corresponding high-frequency induction coils 21 to 28 are inserted, and the upper pressing plate (30) is preferably provided as a weight body made of insulating material, and the lower surface of the upper pressing plate 30 is coated with Teflon, and the adhesive applied to the upper surface of the lamina member 51 stacked on top of the laminated core 500. (51-1) can be presented so that it does not stick when melted.

The lower support plate 40 has a cylindrical shape made of an insulating material and is installed on the upper portion of the transfer cart 41, but has a fitting protrusion 42 inserted into the central rotation axis insertion hole 51B of the laminated core 50 at the upper center of the stacked core 50. , A plurality of insertion holes 43 into which each of the high frequency induction coils 21 to 28 are inserted are formed around the center of the lower support plate 40 in a spaced apart state, and positioned around the outer circumference of the fitting protrusion 42 A plurality of protrusions 44 are protruded upward so that the protrusions 44 for positioning are inserted into the coupling holes 51C of the laminated core 50, so that each of the lamina members 51 is in place, and the lower support plate is in turn. Each of the high-frequency induction coils 21 to 28 can be easily inserted into the insertion hole 43 by being fitted into the fitting protrusion 42 and the positioning protrusion 44 of (40).

In addition, the upper pressing plate 30 and the lower supporting plate 40 are transported by the transfer cart 41, and the lamina members 51 produced by the continuous process of the progressive mold device, not shown, are placed on the lower In the state of being laminated on the support plate 40, the laminated core 50 is pressed and clamped by the upper pressing plate 30, and transported to the place where the high-frequency induction coil unit 20 is located to perform high-frequency induction heating on the laminated core 50 By doing so, even if the lamination height of the core is higher than in the case of induction heating the laminated core inside the squeeze ring of a narrow space installed dependently on the conventional progressive mold device, the bonding between the layers of the lamina members (50A) is easily performed, so that the adhesive laminated core It is possible to improve productivity, and to prevent the separation of the laminated core 50 that is narrowed between the upper pressing plate 30 and the lower supporting plate 40, the upper pressing plate 30 and the lower supporting plate 40 respectively have coupling holes 30 -1) It may be provided by forming (40-1) and fastening with a coupling bolt not shown.

Therefore, the present invention can provide a laminated core 50 suitable for a rotor such as a motor of an electric vehicle by laminating laminar members 51 having a generally large diameter, and the laminated core can also be applied to the stator of a motor There is also

Figure 3 is a perspective view of a lamina member constituting the laminated core applied to the present invention, Figure 4 is a perspective view of the bonded state of the laminated core applied to the present invention.

In the following description, a state in which the lamina members 51 are laminated is referred to as the laminated core 50, and the codes applied to the lamina members 51 in the drawings are the same as the codes indicated for the laminated core 50. same.

According to this, the thin plate lamina member 51 has a slot portion 51A for preventing deformation of the strip supplied to the progressive mold apparatus, a cooling protrusion 51A', a rotation shaft insertion hole 51B, and a lamina member. Coupling holes 51C and the like are formed and provided through punching and blanking, and an adhesive 51-1 is applied to the surface of the lamina member 51.

In the present invention, a plurality of high frequency induction heating guide holes 51D into which each of the plurality of high frequency induction coils 21 to 28 is inserted at regular intervals on the outer circumference of the central rotation shaft insertion hole 51B of the lamina member 51 ), but the high-frequency induction heating guide hole 51D and the insertion holes 33A and 43 of the upper pressing plate 30 and the lower supporting plate 40 correspond to each other, the high-frequency induction coil 21 ~ (28) are inserted in the vertical direction into these high frequency induction heating guide holes 51D and insertion holes 33A and 43 to induction heat the laminated core 50, or the high frequency induction heating guide holes 51D and It is possible to detach from the insertion hole 33A, 43.

In order to prevent deformation of the lamina member 51, since it is a common lamina member to form the slot portion 51A on the outer circumference of the lamina member 51, a plurality of bridges 51A-1 according to the shape of the slot portion 51A ) is formed so that the area width of the lamina member 51 is narrow and wide by the bridge 51A-1, so when induction heating is performed by arranging a high-frequency induction coil around the outer circumference of the laminated core as before, these narrow and Since uniform heat conduction is not achieved by the large area of the bridge (51A-1), the heating temperature diffusion time is slow, and accordingly, the heating temperature distribution over the entire area of the lamina member 51 is unbalanced, resulting in an imbalance in the lamina member. The adhesion efficiency of the adhesive 51-1 applied to the surface of (51) is greatly reduced.

In order to solve this problem, the present invention avoids the vicinity of the bridge 51A-1 having a narrow area formed by the formation of the slot portion 51A, and a plurality of Each of the high frequency induction coils 21 to 28 inserted into the high frequency induction heating guide hole 51D is formed by drilling a high frequency induction heating guide hole 51D into which each of the high frequency induction coils 21 to 28 is inserted. The heat generation temperature generated by the heating action is rapidly transferred radially from the outer circumference of the high frequency induction heating guide hole 51D to the outer circumferential direction of the lamina member 51, so that the entire area of the lamina member 51 Since the heating temperature distribution is uniform, the adhesive efficiency of the adhesive 51-1 applied to the surface of the lamina member 51 is greatly improved.

That is, a high frequency induction heating guide hole 51D into which each of the plurality of high frequency induction coils 21 to 28 is inserted is formed and provided in a large area around the outer circumference of the central rotation shaft insertion hole 51B, thereby providing a high frequency induction heating guide hole. Since heat conduction is made in the outer circumferential direction of the lamina member 51 radially around the large area portion outside the circumference of (51D), the shape and narrow of the slot portion 51A with respect to the entire area of the lamina member 51 Regardless of the shape of the wide bridge 51A-1, since heat spreads quickly, the entire surface area of the adhesive 51-1 applied to the lamina member 51 is evenly melted, and the interlayer adhesion between the lamina members 51 is It is bonded in a solid state without gaps.

In particular, in the present invention, high-frequency induction heating is performed in a state in which each of the high-frequency induction coils 21 to 28 is inserted in the vertical direction with respect to the laminated core 50 in which the lamina members 51 are laminated, so that the flux of magnetic force As the density increases, the induction heating efficiency obtained can be further improved while the magnetic field caused by the induced current interferes with the magnetic flux change.

Therefore, the present invention is an adhesive (51- By 1), it is possible to manufacture an adhesive laminated core 50 having a certain height by interlayer adhesion in a stable and robust state.

Figure 5 is a perspective view of the high-frequency induction coil coupled state of the self-adhesive multilayer core bonding device using high-frequency induction heating according to the present invention, Figure 6 is a bottom view of the support disc of the self-adhesive multilayer core bonding device using high-frequency induction heating according to the present invention, It is a drawing of a state in which a high-frequency induction heating coil is disposed, and FIG. 7 is a partial cross-sectional view of an adhesive-type laminated core bonding device using high-frequency induction heating according to the present invention.

According to this, a plurality of bar-shaped high-frequency induction coils 21 made of copper constituting the high-frequency induction coil unit 20 by radially installing the high-frequency induction coil unit 20 downward in the vertical direction around the lower circumference of the support disc 10. ) to (28) are provided to arrange each at regular intervals.

Each of the high-frequency induction coils 21 to 28 includes a first bar-shaped high-frequency induction coil 21A and 21B, a second bar-shaped high-frequency induction coil 22A and 22B, and a third bar-shaped high-frequency induction coil 23A. ) (23B), the fourth rod-shaped high-frequency induction coil (24A) (24B), the fifth rod-shaped high-frequency induction coil (25A) (25B), the sixth rod-shaped high-frequency induction coil (26A) (26B), the seventh film Each of the large-sized high-frequency induction coils 27A and 27B and the eighth rod-shaped high-frequency induction coils 28A and 28B is bundled and provided, and these high-frequency induction coils 21 ) ~ (28) Induction heating is applied to each of the lamina members 51 of the laminated core 50 in which each is laminated to melt the adhesive 51-1 applied to the surface of the lamina member 51, so that the lamina The interlayer bonding of the members 51 is performed, and the cooling water passage hole W is formed inside each of the high frequency induction coils 21 to 28, so that high frequency current is generated in the high frequency induction coils 21 to 28. A constant temperature can be maintained at all times by the cooling water circulating during supply.

To this end, the first high-frequency induction coil 21A and the eighth rod-shaped high-frequency induction coil 28B protrude from the top of the support plate 10 to supply high-frequency current, and the third rod-shaped high-frequency induction coil 23B And the cooling water circulation product and discharge hose connected to the circulation pump coupled to the cooling water tank (not shown) are connected to the cooling water passage hole (W) of each of the fourth rod-shaped high-frequency induction coil (24A), so that the cooling water flows through the high-frequency induction coil (21) to (28) It is circulated through each cooling water passage hole (W), and between the first bar-shaped high-frequency induction coil 21B and the second bar-shaped high-frequency induction coil 22A, the second bar-shaped high-frequency induction coil ( 22B) and the third bar-shaped high-frequency induction coil 23A, between the third bar-shaped high-frequency induction coil 23B and the fourth bar-shaped high-frequency induction coil 24A, between the fourth bar-shaped high-frequency induction coil 24B and Between the fifth bar-shaped high-frequency induction coil 25A, between the fifth bar-shaped high-frequency induction coil 25B and the sixth bar-shaped high-frequency induction coil 26A, and between the sixth bar-shaped high-frequency induction coil 26B and the seventh bar-shaped high-frequency induction coil Between the high-frequency induction coils 27A and between the seventh bar-shaped high-frequency induction coil 27B and the eighth bar-shaped high-frequency induction coil 28A, an upper connecting conductor T having a cooling water passage hole W therein is connected. Thus, the first bar-shaped high-frequency induction coil 21A, 21B to the eighth bar-shaped high-frequency induction coil 28A, 28B may be electrically connected in series.

And, as shown in the enlarged view of FIG. 5, the lower part of each of the first bar-type high-frequency induction coils 21A and 21B to the eighth bar-type high-frequency induction coils 28A and 28B has a cooling water passage hole formed therein. It is connected to the connecting conductor (T-1) and can be provided by coupling the insulating member (G) to the lower part of the lower connecting conductor (T-1) with a coupling bolt (B).

9 is a partial enlarged cross-sectional view of a state in which the high-frequency induction coil of the self-adhesive laminated core bonding device using high-frequency induction heating according to the present invention is inserted into an upper pressing plate, a laminated core, and a lower support plate.

According to this, in a state where the laminated core 50 is laminated between the upper presser plate 30 and the lower support plate 40, the insertion hole 33A of the upper presser plate 30 and the high-frequency induction heating guide hole of the laminated core 50 ( 51D) and insert the high-frequency induction coils 21 to 28 into the insertion hole 43 of the lower support plate 40, respectively, the first bar-type high-frequency induction coils 21A and 21B to the eighth bar-type high-frequency induction The first film inserted into the high-frequency induction heating guide hole 51D by allowing the insulating member G coupled to the lower side of each of the coils 28A and 28B to be seated in the guide groove 41A formed on the transfer cart 41 It is possible to provide a high-frequency heating induction action to occur in a stable state without shaking of the large-sized high-frequency induction coils 21A and 21B to the eighth rod-shaped high-frequency induction coils 28A and 28B, respectively.

Figure 10 is a plan view of a state in which the high-frequency induction coil of the self-adhesive laminated core bonding device using high-frequency induction heating according to the present invention is inserted into the high-frequency induction heating guide hole of the laminated core, Figure 11 is a high-frequency laminated core applied to the present invention It is an enlarged view of the high-frequency induction coil inserted into the induction heating guide hole.

According to this, each of the first bar-shaped high-frequency induction coils 21A and 21B to the eighth bar-shaped high-frequency induction coils 28A and 28B is formed and provided as one set, and the first bar-shaped high-frequency induction coil 21A ) And between the first bar-shaped high-frequency induction coil 21B to the eighth bar-shaped high-frequency induction coil 28A and the eighth bar-shaped high-frequency induction coil 28B are insulated from each other by an insulating material E, Around the 1 bar high frequency induction coil 21B to the 8th bar high frequency induction coil 28A and the 8th bar high frequency induction coil 28B, double insulation tapes (EP) and heat resistant Teflon tape (TP) are applied. High-frequency induction coil capable of withstanding insulation and high temperature between the first bar-type high-frequency induction coil 21B and the eighth bar-type high-frequency induction coil 28A and the eighth bar-type high-frequency induction coil 28B can provide.

Therefore, the present invention provides two sets of first bar-shaped high-frequency induction coils 21A, 21B to eighth, each of which constitutes high-frequency induction coils 21 to 28 in one high-frequency induction heating guide hole 51D, respectively. High-frequency induction heating is generated in a state in which the bar-type high-frequency induction coils 28A and 28B are inserted, respectively, so that the number of a plurality of high-frequency induction heating guide holes 51D radially drilled in the lamina member 51 at regular intervals can be reduced, and the flux of magnetic force generated from the two rod-shaped high-frequency induction coils around the inner circumference of one high-frequency induction heating guide hole 51D improves the diffusion efficiency radially outward around the lamina member 51, thereby increasing the efficiency of the laminated core 50 ) The entire heat generation can be made quickly, thereby improving the thermal conductivity, so that the interlayer adhesion of the lamina members 51 is evenly achieved, and thus the quality of the adhesively laminated core 50 can be greatly improved.

However, when high-frequency induction heating is performed by inserting one rod-shaped high-frequency induction coil into one high-frequency induction heating guide hole 51D, the number of high-frequency induction heating guide holes 51D in the lamina member 51 Since it is necessary to increase the productivity of the lamina member 51 is reduced, and when the gap between the high frequency induction heating guide hole (51D) and the high frequency induction heating guide hole (51D) is narrow, the laminated core is applied to the rotor of the motor. As the area of the ranima member 51 around the high-frequency induction heating guide hole 51D is pointed out as well as the concern of damaging the core, the temperature spread to the entire lamina member 51 slows down, and accordingly the heating temperature Since the distribution is not constant, the melting of the adhesive 51-1 is unbalanced, making it difficult to bond between layers of the lamina members 51, thereby greatly degrading the quality of the adhesively laminated core 50.

Although the above has been described based on the embodiment, this is only an example and the present invention

It is not limited, and those skilled in the art to which the present invention belongs will know that various modifications and applications not exemplified above are possible without departing from the essential characteristics of the present embodiment. And differences related to these modifications and applications should be construed as being included in the scope of the present invention as defined in the appended claims.

10: support disc 21 to 28: high-frequency induction coil
21A, 21B to 28A, 28B: 1st bar-type high-frequency induction coil to 8th bar-type high-frequency induction coil
30: upper press plate 33A, 43: insertion hole
40: lower support plate 41A: guide groove
50: laminated core 51: lamina member
51-1: adhesive 51D: high-frequency induction heating guide hole
100: Win, descent means

Claims (5)

In manufacturing the adhesive laminated core 50 by interlayer bonding the lamina members 51 to which the adhesive 51-1 is applied using the high-frequency induction coils 21 to 28, the support disk 10 has a radial A plurality of high-frequency induction coils 21 to 28 disposed in the vertical direction at regular intervals are radially drilled at regular intervals in each of the lamina members 51 to form a plurality of high-frequency induction heating guide holes 51D Heat generated by induction heating due to vertical eddy current loss generated between the high-frequency induction coils 21 to 28 and the lamina members 51 to which the high-frequency current is supplied by inserting the lamina member ( 51) is radially diffused from the inner circumference to the outer circumference so that the interlayer adhesion of the lamina members 51 is achieved. The method of claim 1, wherein the support disc (10) on which the high-frequency induction coils (21) to (28) are installed is raised and lowered by the lifting and lowering means (100), but the support disc (10) is lifted and lowered by means ( 100) to lower each of the plurality of rod-shaped high-frequency induction coils (21) to (28) between the lower part of the upper pressing plate (30) and the upper part of the lower supporting plate (40) High-frequency induction heating of the laminated core (50) transported Adhesive laminated core bonding device using high frequency induction heating, characterized in that configured to generate high frequency induction heating in a state inserted into the guide hole (51D). The method of claim 1, wherein a plurality of high-frequency induction heating guides into which a plurality of high-frequency induction coils (21) to (28) are respectively inserted at regular intervals around the outer circumference of the central rotary shaft insertion hole (51B) of the lamina member (51) The high-frequency induction coil is formed by drilling a hole 51D, and the high-frequency induction heating guide hole 51D and the insertion holes 33A and 43 of the upper press plate 30 and the lower support plate 40 correspond to each other (21) to (28) are inserted in the vertical direction into these high-frequency induction heating guide holes 51D and insertion holes 33A and 43 to induction heat the laminated core 50. Characterized in that Adhesive laminated core bonding device using high frequency induction heating. The method of claim 1, wherein each of the high frequency induction coils (21) to (28) is a first bar-shaped high-frequency induction coil (21A) (21B), a second bar-shaped high-frequency induction coil (22A) (22B), and a third bar-shaped high-frequency induction coil (22A) (22B). High-frequency induction coils 23A and 23B, fourth bar-shaped high-frequency induction coils 24A and 24B, fifth bar-shaped high-frequency induction coils 25A and 25B, and sixth bar-shaped high-frequency induction coils 26A and 26B ), the seventh bar-type high-frequency induction coil 27A, 27B, and the eighth bar-type high-frequency induction coil 28A, 28B, each bundled and provided, by high-frequency current supplied by connecting them in series with each other. The adhesive 51-1 applied to the surface of the lamina member 51 is heated by induction heating for each of the lamina members 51 of the laminated core 50 in which the high-frequency induction coils 21 to 28 are stacked, respectively. The first rod-shaped high-frequency induction coils 21A, 21B to 8th in a set of two forming high-frequency induction coils 21 to 28 in one high-frequency induction heating guide hole 51D, respectively. High-frequency induction heating is generated in a state in which the bar-type high-frequency induction coils 28A and 28B are inserted, respectively, and the first bar-type high-frequency induction coil 21A and 21B to the eighth bar-type high-frequency induction coil 28A ( 28B) Adhesive laminated core bonding device using high-frequency induction heating, characterized in that the insulating member (G) coupled to each lower side is configured to be seated in the guide groove (41A) formed on the transfer cart (41). The method of claim 1, wherein the first high-frequency induction coil (21A) and the eighth rod-shaped high-frequency induction coil (28B) protrude from the top of the support plate (10) to supply high-frequency current, and the third rod-shaped high-frequency induction coil (28B) is provided. (23B) and the fourth bar-type high-frequency induction coil (24A), each cooling water passage hole (W) is connected to the cooling water circulation product and discharge hose connected to the circulation pump coupled to the cooling water tank, so that the cooling water flows through the high-frequency induction coil (21) to (28) It is circulated through each cooling water passage hole (W), and between the first bar-shaped high-frequency induction coil 21B and the second bar-shaped high-frequency induction coil 22A, the second bar-shaped high-frequency induction coil ( 22B) and the third bar-shaped high-frequency induction coil 23A, between the third bar-shaped high-frequency induction coil 23B and the fourth bar-shaped high-frequency induction coil 24A, between the fourth bar-shaped high-frequency induction coil 24B and Between the fifth bar-shaped high-frequency induction coil 25A, between the fifth bar-shaped high-frequency induction coil 25B and the sixth bar-shaped high-frequency induction coil 26A, and between the sixth bar-shaped high-frequency induction coil 26B and the seventh bar-shaped high-frequency induction coil Between the high-frequency induction coils 27A and between the seventh bar-shaped high-frequency induction coil 27B and the eighth bar-shaped high-frequency induction coil 28A, an upper connecting conductor T having a cooling water passage hole W therein is connected. The first bar-type high-frequency induction coil (21A) (21B) to the eighth bar-type high-frequency induction coil (28A) (28B) are electrically connected in series. Adhesive laminated core bonding device using high-frequency induction heating .

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