KR100910219B1 - Cooking receptacle for induction range and method for manufacturing same - Google Patents

Abstract

The present invention is a container body formed of a non-conductive material; A conductive plate of conductive metal material integrated with the bottom surface of the container body; And a plurality of separation prevention tools formed of the same non-conductive material as that of the container body and uniformly arranged and coupled to the upper surface of the conductive plate, thereby forming a cooking container made of different materials used in an induction stove by die casting molding. Induction is possible to minimize the failure rate of the cooking vessel because the dissimilar materials are not separated even by molding and can be firmly combined, and in particular, the conductive plate is prevented from being released from its original position in the mold by the high pressure generated during die casting. Provided are a cooking vessel for a stove and a method of manufacturing the same.

Induction stove, cooking vessel, conductive plate, die casting, clamping piece, release prevention

Description

Cooking container for induction stove and its manufacturing method {COOKING RECEPTACLE FOR INDUCTION RANGE AND METHOD FOR MANUFACTURING SAME}

1 is a perspective view showing the configuration of a conventional cooking container for induction stove.

2A to 2B are cross-sectional views illustrating a manufacturing process of a conventional cooking container for an induction stove.

Figure 3 is a perspective view showing the configuration of the conductive plate provided in the cooking container for induction stove according to the present invention.

FIG. 4 is an enlarged view illustrating main components of the conductive plate illustrated in FIG. 3.

5A to 5C are cross-sectional views illustrating a manufacturing process of an induction stove cooking vessel according to the present invention.

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

10-Container Body 20-Challenge Plate

21-Long Hole 22-Small Hole

24,24 '-Overhang 25-Trim

30-Release Lock 40-Insertion Lock

50-Mold 51-Lower mold

52-Upper mold

The present invention relates to a cooking vessel for an induction stove and a manufacturing method thereof.

Generally, induction range has a built-in coil for generating a magnetic field by applying a high voltage to the induction range. When a high voltage is applied to the coil, a magnetic field is induced in the coil and a metal body within the range of the magnetic field is introduced. It is the principle of heating.

Such induction stoves do not generate sparks or harmful gases, so there is no danger of fire, and there is no carbon monoxide that is inevitably generated when gas is used as a heat source. There is this.

Due to the above characteristics, the induction stove can be used only with a container made of a metal material that can be magnetically sensitive, and a container made of aluminum or stainless steel or a stoneware and ceramics, which occupies most of the cooking container, cannot be used. There are disadvantages.

In order to solve this problem, as shown in FIG. 1, the container itself 1 is formed of a non-conductive material such as aluminum and stainless steel, and the conductive plate 2 made of a conductive material is formed on the bottom surface of the container 1. ) Is a cooking vessel A in which die casting is integrated.

Here, the conductive plate (2) is in a disk shape in order to maintain a firm bonding force with the container (1) a plurality of radially formed on the surface between the plurality of holes and a plurality of uniformly arranged between the holes (2a) The small holes 2b are formed so that the solution injected during die casting casting is injected through the long holes 2a and the small holes 2b, so that they are firmly fixed.

In addition, the outer and inner circumference of the conductive plate 2, the insertion groove (3a) formed in the bottom surface of the die-casting die (3) to be located at the bottom center of the container (1) during the integration work with the container (1) Insertion protrusion (2c) is inserted and fixed to the) is provided, the insertion protrusion (2c) is removed after the molding of the cooking vessel (A), through the post-processing process.

2A and 2B, the conductive plate 2 may be positioned in the center of the bottom surface of the container 1 in the die casting mold 3. Insertion groove (3a) for holding the position is formed.

Therefore, the container 1 and the container 1 are formed by injecting and molding a solution of a non-conductive material in a state where the insertion protrusion 2c provided in the conductive plate 2 is inserted into and fixed to the insertion groove 3a provided in the mold 3. The conductive plate 2 is manufactured integrally.

However, although the conventional structure has a structure for fixing the inside of the die casting mold 3 by using only the insertion protrusion 2c provided in the conductive plate 2, because of the characteristics of die casting casting is injected at a high pressure during the injection of the solution Due to the pressure, the conductive plate 2 is randomly moved to be separated from the insertion groove 3a of the mold 3, which causes the conductive plate 2 not to be integrated with the center of the bottom surface of the container 1. There is a problem of being molded into a product.

Accordingly, the present invention has been made to solve the above-mentioned conventional problems, and an object of the present invention is to prevent the conductive plate from being randomly released from its original position during the integral manufacturing of the conductive plate and the container by die casting casting. It is to provide an induction stove cooking vessel and a method of manufacturing the same.

The present invention is a container body formed of a non-conductive material; A conductive plate of conductive metal material integrated with the bottom surface of the container body; And a plurality of separation prevention tools formed of the same non-conductive material as that of the container body and uniformly coupled to the upper surface of the conductive plate.

In addition, the method for manufacturing a cooking vessel for an induction stove according to the present invention has a flat structure of conductive metal, and a plurality of separation prevention devices are uniformly arranged on an upper surface thereof, and a plurality of fitting fixing pieces are provided on the outer and inner surfaces thereof. Forming a conductive plate; Fixing the fitting fixing piece provided on the conductive plate to a fitting groove in a lower mold, and fixing the conductive plate in a mold such that the release preventing tool provided on the conductive plate is in close contact with the upper mold; Injecting a solution of a non-conductive metal material into the mold to die casting the cooking vessel into a cooking vessel integrated with the conductive plate; And demolding the molded cooking vessel from a mold to remove the fitting piece that protrudes from the bottom surface of the cooking vessel.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings such that those skilled in the art may easily implement the present invention.

Figure 3 is a perspective view showing the configuration of the conductive plate provided in the induction stove container according to the present invention, Figure 4 is an enlarged view showing the main components of the conductive plate shown in FIG.

As shown in FIGS. 3 and 4, an induction stove container according to the present invention is installed on a bottom surface of a container body (10 of FIG. 5C) and a bottom of the container body (10 of FIG. 5C) formed of a non-conductive material. The conductive plate 20 is configured to generate heat in response to the magnetic field generated by the stove, and evenly coupled to the upper surface of the conductive plate 20, the conductive plate 20 is randomly separated when manufacturing the cooking vessel It is configured to include a departure prevention tool 30 to prevent.

The conductive plate 20 is made of iron (Fe), which is a conductive metal material, or an alloy containing iron, and is a non-conductive metal that becomes a material of the container body (10 in FIG. 5C) while being inserted and fixed in the die casting mold 50. By injecting the solution of the material, it is integrally molded to the bottom surface of the container body (10 in Fig. 5C).

The conductive plate 20 is formed in a disk shape, the surface is provided with a coupling means 23 to enable a rigid coupling with the container body (10 in Figure 5c) during die casting molding.

Coupling means 23 is a plurality of holes (21) formed radially arranged from the center of the conductive plate 20, and a plurality of small holes 22 are uniformly arranged between the plurality of holes 21 It is composed.

That is, a plurality of long holes 21 and small holes 22 pass through the solution of a non-conductive metal material, which is a material of the container main body (10 of FIG. 5C), thereby forming the conductive plate 20. It is firmly integrated in the bottom surface of 10) of 5c.

In addition, the periphery of the long hole 21 and the small hole 22 is provided with protruding pieces 24, 24 'protruding upward or downward. The protruding pieces 24 and 24 ′ are for suppressing deformation generated as the conductive plate 20 is heated to the maximum. Some of the plurality of long holes 21 and the small holes 22 protrude upward. And, part of the protruding downward to cause the expansion evenly generated by the heat up and down to be able to suppress the deformation phenomenon such as bending the conductive plate 20 during heating as possible.

In the present invention, the protrusions 24 formed on the periphery of the long hole 21 is protruded upward, the protrusions 24 ′ formed on the periphery of the small holes 22 are shown to protrude downward, but is not limited thereto. Of course, it may be configured in reverse.

In addition, the inner circumferential surface of the conductive plate 20 is provided with a trimming portion 25 for cutting a position corresponding to the front end of the long holes 21.

When the trimming portion 25 also expands by heating of the conductive plate 20, a deformation may occur in which a central portion is raised by deformation, but in the present invention, the inner circumferential surface of the conductive plate 20 is formed in a long hole. By cutting the portion corresponding to (21) and forming the free end having the predetermined tension at the inner end of the conductive plate 20, it is possible to uniformly absorb the expansion of the conductive plate 20 so that the conductive plate 20 ) Can be prevented from deforming.

On the other hand, the conductive plate 20 is provided with a departure prevention tool 30 for preventing the arbitrary movement in the fixed state inserted into the mold 50 to manufacture the cooking vessel. This is to prevent the conductive plate 20 from being released from its original position by the high pressure of the solution injected into the mold 50 as a part of the feature of the present invention.

Here, the departure prevention tool 30 is composed of a plurality of protrusions are arranged in a suitable position on the upper surface of the conductive plate 20. At this time, the departure prevention tool 30 is made of the same non-conductive metal material as the material of the container body (10 in Fig. 5c) to be fitted to the upper surface of the conductive plate 20 or to be fixed by welding or the like, the conductive plate ( 20 is preferably formed to a length that can be in contact with the upper mold (52).

Therefore, since the mold 50 directly presses the conductive plate 20 by the release preventing device 30, the conductive plate 20 is prevented from being randomly separated from its original position even when a high pressure is generated due to die casting molding. do.

In addition, since the separation prevention device 30 is formed of the same material as the container body (10 in FIG. 5C), the melter is partially melted in the die casting molding process, thereby further strengthening the integration of the conductive plate 20 and the container body 10. Can be implemented.

Looking at the manufacturing method of the cooking vessel in which the conductive plate 20 configured as described above is integrated into the container body (10 in Figure 5c) by die casting molding as follows.

5A to 5C are cross-sectional views illustrating a manufacturing process of an induction stove cooking vessel according to the present invention.

In order to manufacture the cooking container for induction stove according to the present invention as shown in Figure 5a to 5 as a conductive metal material, a plurality of separation prevention holes 30 and uniformly arranged on the upper surface, the outer surface and the inner surface around A step of forming a conductive plate 20 having a plurality of fitting pieces 40 to be formed is performed.

Here, the fitting fixing piece 40 is formed in the fitting groove 51a formed in the mold 50 during die casting molding to limit the movement of the conductive plate 20 arbitrarily.

The fitting fixing piece 40 is formed by cutting a portion of the outer side and the inner side of the conductive plate 20 to be inclined outwardly except for the cut portion, and slightly protrudes to the lower portion of the conductive plate 20. Form.

The fitting fixing piece 40 formed as described above is bent obliquely to provide a strong fixing force when the fitting fixing piece 40 is fitted into the fitting groove 51a provided in the mold 50.

When the formation of the conductive plate 20 is completed as described above, the fitting fixing piece 40 provided in the conductive plate 20 is fixed to the fitting groove 51a in the lower mold 51 to fix the conductive plate 20. The anti-seizure 30 provided in the) is to firmly fix the conductive plate 20 through the step of fixing the conductive plate 20 in a suitable position in the mold 50 to be in close contact with the upper mold 52. .

As described above, when the conductive plate 20 is fixed, the container body 10 is die-casted to be integrated with the conductive plate 20 while injecting and filling a solution of a non-conductive metal material into the mold 50. do.

At this time, the fitting fixing piece 40 provided on the conductive plate 20 is fixed to the lower mold (51a), the separation prevention 30 is a structure that is supported in close contact with the upper mold (52). Since the conductive plate 20 is integrated in the bottom position of the bottom of the container body 10 without being separated even if a high pressure by die casting acts inside the mold 50.

When the molding of the cooking vessel is completed as described above, the cooking vessel is demolded from the mold 50, and then the step of removing the fitting piece 40 protruding from the bottom surface of the cooking vessel is performed, thereby forming the cooking vessel. Is done.

As mentioned above, although this invention was demonstrated in detail using the preferable embodiment, the scope of the present invention is not limited to a specific embodiment, Comprising: It should be interpreted by the attached Claim. In addition, those skilled in the art should understand that many modifications and variations are possible without departing from the scope of the present invention.

As described above, according to the induction stove cooking container and a method for manufacturing the same, even if the cooking vessel made of a different material used in the induction stove by die casting molding, the heterogeneous material is not separated and firmly coupled. As well as possible, in particular, the fixing plate and the release prevention device provided in the conductive plate prevent the conductive plate from being released from its original position in the mold due to the high pressure generated during die casting, thereby minimizing the defective rate of the cooking vessel. To provide the effect.

Claims (7)

delete Container body 10 formed of a non-conductive material; A conductive metal conductive plate 20 integrated into the bottom surface of the container body 10; Is formed of the same non-conductive material as the container body 10, when the conductive plate 20 is assembled to the container body 10 is made of a length that can contact the upper mold 52, the conductive plate 20 A plurality of separation prevention 30 is evenly coupled to the upper surface of the; And A plurality of fitting fixing pieces 40 protruding to the lower portion of the conductive plate 20 to be fitted into the fitting groove 51a in the lower mold 51 when assembling the conductive plate 20 to the container body 10. ); The conductive plate 20, Coupling means 23 is composed of a plurality of holes 21 are arranged radially on the surface, and a plurality of holes 22 arranged between the holes, Induction stove cooking vessel, characterized in that the protruding pieces 24, 24 'protruding upward or downward at the periphery of the plurality of long holes 21 and the small holes 22 constituting the coupling means 23 . The method of claim 2, Protruding piece 24 protruding at the periphery of the long hole 21 is protruded to the upper side of the conductive plate 20, Induction stove cooking vessel, characterized in that the protruding piece (24 ') protruding to the periphery of the small hole (22) protrudes to the lower side of the conductive plate (20). The method of claim 2 or 3, Induction stove cooking vessel, characterized in that formed in the periphery of the inner surface of the conductive plate 20, the trimming portion 25 extending to the long hole (21). delete delete delete

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