KR20070110990A - Die assembly - Google Patents

Abstract

A metal die is provided to allow a separation metal mold plates to abut or separate from a support metal mold plate even at high temperature by installing permanent magnets and electromagnets on at least one of separation and support metal mold plates, and to facilitate installation and securing of electric heaters in the metal die by disposing plural mounting grooves corresponding to the shape of electric heaters and filling the space between the heaters and the mounting grooves with sealing members. A metal die includes a cavity metal mold, a core metal mold(130), a moving unit(140), and an opening and closing unit. The cavity metal mold is composed of a separation metal mold plate(120), and a support metal mold plate(110) disposed on the back surface of the separation metal mold plate. The core metal mold is interlocked with the cavity metal mold. The opening and closing unit is installed between separation and support metal mold plates and allows the separation metal mold plate abuts or separates from the support metal mold plate depending on external signals. Permanent magnets(154) are installed to at least separation or support metal mold plates. Electromagnets(152) are installed on separation or support metal mold plates where no permanent magnet is installed. A heating unit installed on a separation surface of the separation metal mold plate has electric heaters(122) buried in mounting grooves(122h), and sealing members installed in the mounting grooves prevent electric heaters from being separated.

Description

Mold Device {DIE ASSEMBLY}

1 is a side cross-sectional view showing a conventional mold apparatus,

2 is a side cross-sectional view showing a first embodiment of a mold apparatus according to the present invention;

3 is a side cross-sectional view showing a second embodiment of a mold apparatus according to the present invention;

4 is a side cross-sectional view showing a third embodiment of a mold apparatus according to the present invention;

5 to 7 are side cross-sectional views showing various embodiments of the electric heater installation structure that can be applied to each embodiment of the mold apparatus according to the present invention.

<Explanation of symbols on main parts of the drawings>

110: support plate 120: separation mold plate

122: electric heater 122h: buried groove

130: core mold 140: moving means

152: electromagnet 154: permanent magnet

The present invention relates to a mold apparatus in which injection molding is performed by inserting a molding material in a state in which a cavity mold and a core mold are engaged with each other. In particular, the cavity mold divided into a separation mold plate and a support mold can be contacted / moved according to an external signal. As a result, the present invention relates to a mold apparatus that is not only durable in high temperature but also can increase operational reliability.

As is well known, injection molding is one method of molding products made of synthetic resin, commonly referred to as plastic. In the injection molding, the molten resin is injected into the cavity of the mold formed in a predetermined shape, filled, cooled and hardened, thereby forming a product having the same shape as that of the cavity.

In general, most electronic products have a rough surface, even though their appearance is injection molded, so that they undergo a separate coating, coating, and glass coating process.

In this way, a cold mold has been developed that not only produces a beautiful surface of the injection product but also performs injection molding to prevent a complicated process, and then cools only the outer part of the mold and slowly cools the inner part. Although the strength could be increased, it is difficult to make the surface of the injection-molded product even when the high temperature molding material is initially injected, since the inner part of the mold in contact with the mold is kept at a low temperature.

Therefore, researches have been made on molding techniques for heating the mold instantaneously and rapidly cooling, and as a result, various high temperature molds have been developed.

The high temperature mold is configured to embed the electric heater in a relatively small core mold inserted into the cavity, but it is difficult to make the surface of the molding material beautiful because the part contacting the core mold corresponds to the inner part of the molding material.

In addition, since the hot mold disclosed in Patent Application No. 1997-0062643 is configured to have a hot wire in the base mold for supporting the mold forming the cavity, it is time to heat the cavity to a high temperature before the hot molding material is injected into the mold. There is a problem that consumes a lot of power.

In addition, the high temperature mold disclosed in Patent Application Nos. 2000-55868, 2002-62528, while heating the core mold by the coil while heating the other mold to be engaged with the gas fuel flame, and then injection molding is made, Rapid cooling is achieved by high pressure air and / or cooling water, but it is difficult to make the surface of the injection molding difficult because it is difficult to heat the mold precisely to the injection molding material temperature by gas fuel flame, and furthermore, as gas fuel is used for safety reasons. There is a problem.

In addition, since the high temperature mold disclosed in Patent Application No. 2000-6600 is configured such that a heater is built in the manifold to prevent the molding material from hardening while being moved into the cavity, the surface of the injection molded product is not heated by heating the cavity directly contacted with the molding material. Forming expansion grooves to be connected to both sides of the buried groove where the heater is buried in the manifold, and then installing a pair of wires to prevent the heater from being removed. The addition of such a process not only complicates the process but also has a problem in that productivity is lowered.

Therefore, many high temperature molds have been developed in which an electric heater is embedded in a mold forming the outline of the molding material and heated, and a cooling water channel is embedded in the mold in contact with the mold to cool the mold.

1 is a side cross-sectional view showing a conventional high temperature mold.

In the conventional high temperature mold, as shown in FIG. 1, the cavity mold plate 3 is detachably installed from the stationary mold 1, and the core mold plate 4 is detachably installed from the movable mold 2. Cooling water flow paths 1h and 2h are formed in the stationary mold 1 and the moving mold 2, and heaters 3a and 4a and a warm air flow path 3b are formed in the cavity mold plate 3 and the core mold plate 4. 4b) is built in.

Of course, the cavity mold plate 3 and the core mold plate 4 are engaged with each other to form a cavity space in which an injection molded product can be formed, and a molding material is injected into one of the fixed mold 1 or the moving mold 2. An injection passage (not shown) is formed to communicate with the cavity space.

Specifically, the cavity mold plate 3 is provided with a cavity support plate 5 and a spring 10 therebetween so as to be detachable from the stationary mold 1, wherein the cavity support plate 5 is the cavity mold plate ( It is installed to support the spring 10 to the fixed mold (1) while supporting the 3).

In addition, the core mold plate 8 is provided with a core support plate 8 and a spring 10 therebetween so as to be detachable from the movable mold 2, the core support plate 8 is the core mold plate 8 ) Is installed to support the spring 10 to the movable mold (2).

At this time, the movable mold 2 and the core support plate 8 is installed so that the guide pin 12 protrudes toward the fixed mold 1, and the fixed mold 1 and the cavity support plate 5 are A guide pin hole 13 into which the guide pin 12 is inserted is formed.

In addition, a moving device (not shown) such as a hydraulic device is connected to the fixed mold 1 so that the movable mold 2 can be contacted / separated, and the movable mold 2 is connected to the fixed mold ( 1), the cavity mold plate 3 and the core mold plate 4 are engaged with each other to compress the spring 10, while the cavity mold plate 3 is engaged with the stationary mold 1 The core mold plate 4 is engaged with the movable mold 2.

Looking at the process of manufacturing the injection molding in the mold apparatus as described above, the heater (3a, 4a) is operated, or flowing a high temperature fluid through the hot air flow path (3b, 4b) the cavity mold plate 3 and core The mold plate 4 is heated, but the cavity mold plate 3 and the core mold plate 4 are rapidly heated in a state in which the mold mold plate 4 and the core mold plate 4 are separated into the stationary mold 1 and the moving mold 2.

Thereafter, when the movable mold 2 is moved to the fixed mold 1, the guide pin 12 is fitted into the guide hole 13 to adjust the exact positions at which the molds are engaged, and the cavity mold plate 3. ) And the core mold plate 4 are engaged with each other so that the cavity support plate 5 and the core support plate 8 compress each spring 10.

At the same time, the cavity mold plate 3 is engaged with the stationary mold 1 and at the same time the core mold plate 4 is also engaged with the movable mold 2, and then a molding material is moved into the cavity space along the injection passage. Injection molding is performed, and cooling is rapidly performed while a cooling fluid flows through the cooling water flow paths 1h and 2h.

However, in the conventional mold apparatus as described above, the cavity support plate 5 and the spring 10 are provided therebetween so that the cavity mold plate 3 can be separated from the stationary mold 1, and the core from the movable mold 2 is installed. Since the core support plate 8 and the spring 10 are installed therebetween so that the mold board 4 is also separable, the heaters 3a and 4a embedded in the cavity mold board 3 and the core mold board 4 or As the hot air flow paths 3b and 4b are heated to a high temperature or a high temperature molding material is injected, not only thermal deformation may be performed on the spring 10 installed close to each other due to heat transfer, but also durability is degraded, resulting in reliability of operation. There is a problem that cannot be secured.

In the conventional mold apparatus, the heaters 3a and 4a are embedded in the cavity mold plate 3 and the core mold plate 4, but detailed configurations are not shown. The heater is reliably embedded in the buried groove because the heater 10 having a circular cross section is press-fitted into the buried groove, or a cover having a rectangular cross section is fixed like a buried groove while the heater is inserted into the buried groove. Not only is it difficult to be fixed, there is a problem that the assembly process is difficult.

The present invention has been made to solve the above problems of the prior art, and an object of the present invention is to provide a mold apparatus which can not only improve durability even at a high temperature but also ensure operational reliability.

In addition, an object of the present invention is to improve the installation structure of the electric heater embedded in order to heat the mold, to provide a mold apparatus that can be fixed as well as simpler.

The mold apparatus according to the present invention for solving the above problems is a relatively thin thickness of the separation mold plate forming a portion of the molding cavity on the front surface and a relatively thick thickness that can be contacted or spaced apart from the rear surface of the separation mold plate. Cavity mold made of a support mold; A core mold engaged with the cavity mold to form a molding cavity; Moving means for relatively moving the cavity mold and the core mold to open and close the cavity; It is provided between the separation mold plate and the support plate and comprises an opening and closing means for contacting / separating the separation mold plate from the support plate by an external signal.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 2 is a side sectional view showing a first embodiment of a mold apparatus according to the present invention.

As shown in FIG. 2, the first embodiment of the mold apparatus according to the present invention engages with the cavity molds 110 and 120 provided with the separation mold plate 120 so as to be contacted / movable with respect to the support mold 110. The core mold 130 is formed, the core mold 130 is in contact with the cavity mold (110,120) by the moving means 140, such as a hydraulic device or a pneumatic device, while the support mold plate The electromagnet 152 and the permanent magnet 154 are installed on the separation surface of the 110 and the separation mold plate 120 to be in contact / movement with each other.

Here, the support mold 110, the separation mold plate 120, the core mold 130, the moving means 140 are installed side by side in the vertical direction.

In more detail, the support plate 110 is formed in a cap shape in which a groove is formed so that the separation mold plate 120 can be inserted in the center thereof, and an upper end thereof is installed to be fixed to the fixing plate 116.

At this time, the support plate 110 has a cooling water channel 112, which is a kind of cooling means, is formed therein, and the heat transfer member 114 is formed in a portion in contact with the separation mold plate 120 so that heat transfer occurs actively. Is mounted.

Next, the separation mold plate 120 is formed in a cap shape in which a groove is formed so that the core mold 130 can be inserted in the center thereof, and an electric heater 122, which is a kind of heating means, is embedded therein. .

Of course, the separating mold plate 120 is installed so as not to be removed from the support plate 110, even if moved in the vertical direction to the groove side of the support plate 110, both sides of the bottom of the support plate 110 Guide blocks 118 are formed in order to prevent the separation mold plate 120 from being removed, and may be caught by the guide blocks 118 of the support mold on both sides of the lower end of the separation mold plate 120. A differential support end 124 is formed.

In addition, guide grooves are formed in the vertical direction on both inner wall surfaces of the support mold 110, and guide protrusions are mounted on the guide grooves of the support mold 110 at both ends of the separation mold plate 120. It can be configured in various ways to form.

In addition, the support molds 110h and 120h are formed in the support mold 110 and the separation mold plate 120 so as to communicate with the cavity, and an injection hole into which the molding material is introduced into the cavity molds 110 and 120 is formed. To form.

In particular, the electromagnet 152 and the permanent magnet 154 is installed to face each other on the separation surface of the support plate 110 and the separation mold plate 120, the electromagnet 152 and the permanent magnet 154 is A pair is installed to be symmetrical on both sides of the support mold 110 and the separation mold plate 120 to further strengthen the attraction and repulsive force.

Of course, the electromagnet 152 and the permanent magnet 154 may be installed so as to face each other on the separation surface of the support plate 110 and the separation mold plate 120, but a pair of electromagnets may be installed. have.

Therefore, when an electric current is supplied to the electromagnet 152 according to an external signal, and thus the electromagnet 152 and the permanent magnet 154 exhibit the same pole, the repulsive force acts and the separation from the support plate 110. Even if the mold plate 120 is moved and separated, the support end 124 is caught by the guide block 118 and is not removed, whereas the electromagnet 152 and the permanent magnet 154 have different poles, While this is working, the separation mold plate 120 is operated to contact the support mold 110.

At this time, the repulsive force is required between the electromagnet 152 and the permanent magnet 154 in order to separate the separation mold plate 120 from the support plate 110, the separation to the support plate 110 Even if there is no attraction between the electromagnet 152 and the permanent magnet 154 so that the mold plate 120 is in contact, the core mold 130 is moved upward by the moving means 140 and the separation mold plate 120 ) May be configured to move upwards to operate in contact.

Looking at the operation of the first embodiment of the mold apparatus as described above, as the current is supplied to the electromagnet 152 so that an external signal generates a repulsive force, the separation mold plate 120 is separated from the support mold plate 110. Then, the current is supplied to the electric heater 122 to heat the separation mold plate 120, and then operate the moving means 140 to contact the core mold 130 to the cavity mold (110, 120). .

In this case, as the core mold 130 is moved upward to the cavity molds 110 and 120, the separation mold plate 120 is in close contact with the support mold 120, and the separation mold plate 120 and the core mold ( The cavity is formed between 130 and then the molding material is filled into the cavity through the injection passages 110h and 120h while maintaining the state.

Thereafter, the current supplied to the electric heater 122 is stopped, and the separation mold plate 120 and the injection molded product are cooled while the coolant is supplied through the coolant channel 112, and the moving means 140 is transferred to the moving means 140. By doing so, the core mold 130 may be separated from the cavity molds 110 and 120, and an injection material may be withdrawn.

Of course, as the repulsive force acts between the electromagnet 152 and the permanent magnet 154, the separation die plate 120 is also separated from the support plate 110, the support end 124 of the separation die plate The guide block 118 of the support plate is caught so as not to be removed.

3 is a side sectional view showing a second embodiment of a mold apparatus according to the present invention.

The second embodiment of the mold apparatus according to the present invention is configured in the same manner as the first embodiment, and as shown in FIG. 3, between the support mold 110 and the separation mold plate 120 in the vertical direction. A guide 162 is installed, and a servo motor 164 is connected to drive the guide 162 to contact / move the separation mold plate 120 from the support plate 110.

At this time, both ends of the guide 162 are installed to be rotatable on the support plate 110 and the separation mold plate 120, the upper end of the guide 162 is rotatable to the support plate 110. While being constrained, as the lower end of the guide 162 is rotated on the separation mold plate 120, the separation mold plate 120 is installed to move in the vertical direction.

In addition, the servo motor 164 is configured to rotate the guide 162 in both directions, the operation is controlled by a separate external signal.

Of course, the second embodiment can accurately control the movement of the separation mold 120 as the servo motor 164 that can follow the exact position and speed according to an external signal is applied to prevent the removal. The guide block 118 and the support end 124 may be omitted.

Referring to the operation of the second embodiment of the mold apparatus as described above, the separation mold plate 120 from the support plate 110 while the servo motor 164 operates the guide 162 in one direction according to an external signal. And the current is supplied to the electric heater 122 to heat the separation mold plate 120, and then the servo motor 164 operates the guide 162 in another direction according to an external signal. The core mold 130 is brought into contact with the cavity mold by bringing the separating mold plate 120 into contact with the support mold 110 and simultaneously operating the moving means 140.

At this time, the cavity is formed between the separation mold plate 120 and the core mold 130, and then a molding material is filled in the cavity through the injection passages 110h and 120h while maintaining the state.

Thereafter, the current supplied to the electric heater 122 is stopped, and the separation mold plate 120 and the injection molded product are cooled while the coolant is supplied through the coolant channel 112, and the moving means 140 is transferred to the moving means 140. By doing so, the core mold 130 may be separated from the cavity molds 110 and 120, and an injection material may be withdrawn.

Of course, the servo motor 164 may receive the external signal to operate the guide 162 to separate the separation mold plate 120 from the support plate 110, by the servo motor 164 The moving distance of the separation mold plate 120 may be adjusted.

Figure 4 is a side sectional view showing a third embodiment of a mold apparatus according to the present invention.

The second embodiment of the mold apparatus according to the present invention is configured in the same manner as in the first embodiment, and as shown in FIG. 4, between the support mold 110 and the separation mold plate 120 in the vertical direction. A guide 172 is installed, and a hydraulic device or pneumatic device 174 is installed to drive the guide 172 to contact / move the separation mold plate 120 from the support plate 110.

At this time, the guide 172 is installed so that both ends are fixed to the support plate 110 and the separation mold plate 120, it is composed of a kind of hydraulic cylinder or pneumatic cylinder is supplied from the oil / pneumatic device (174) The length is changed in the vertical direction in accordance with the pressure, the separation mold plate 120 is installed to move in the vertical direction in accordance with the support plate 110 is fixed accordingly.

In addition, the oil / pneumatic device 174 is configured to adjust the oil / pneumatic pressure supplied to the guide 172, the operation is controlled by a separate external signal.

Of course, according to the third embodiment, the oil / pneumatic device 174, which can adjust the oil / pneumatic degree according to an external signal, is applied to control the movement of the separating mold plate 120 accurately. Since the guide block 118 and the support end 124 to prevent the removal may be omitted.

Referring to the operation of the third embodiment of the mold apparatus as described above, the oil / pneumatic device 174 is extended as the oil / pneumatic device 174 is supplied to the guide 172 according to an external signal, and thus from the support mold 110. The separation mold plate 120 is separated, the current is supplied to the electric heater 122, and the separation mold plate 120 is heated, and the oil / pneumatic device 174 guides the external mold according to an external signal. As the oil / pneumatic pressure is reduced to 172, the separating mold plate 120 is brought into contact with the support mold 110, and at the same time, the moving unit 140 is operated to move the core mold 130 to the cavity. It contacts the mold (110,120).

At this time, the cavity is formed between the separation mold plate 120 and the core mold 130, and then a molding material is filled in the cavity through the injection passages 110h and 120h while maintaining the state.

Thereafter, the current supplied to the electric heater 122 is stopped, and the separation mold plate 120 and the injection molded product are cooled while the coolant is supplied through the coolant channel 112, and the moving means 140 is transferred to the moving means 140. By doing so, the core mold 130 may be separated from the cavity molds 110 and 120, and an injection material may be withdrawn.

Of course, the oil / pneumatic device 174 may receive the external signal to supply oil / pneumatic to the guide to increase, thereby separating the separation mold plate 120 from the support plate 110. The moving distance of the separation mold plate 120 may be adjusted by the oil / pneumatic device 174.

5 to 7 are side cross-sectional views showing various embodiments of the electric heater installation structure that can be applied to each embodiment of the mold apparatus according to the present invention.

In the first embodiment of the electric heater installation structure which can be applied to the mold apparatus of the present invention, as shown in FIG. 5, an electric heater 122 having a circular cross section is inserted into a buried groove formed in the separation mold plate 120. In order to prevent the electric heater 122 from being removed, the heater shield 126 is installed in a space other than the installation portion of the electric heater 122 in the buried groove 122h.

Here, the electric heater 122 is a hot wire, and in order to increase the heat transfer effect, the heat transfer fluid having a high heat transfer efficiency is coated on its outer circumferential surface to form a heat transfer film 122a.

At this time, the buried groove (122h) is formed so that the depth is deeper than the diameter of the electric heater 122, the width is formed to be the same as the diameter of the electric heater 122, the bottom surface of the electric It is formed to correspond to the bottom surface of the heater 122.

Next, the heater shield 126 is formed at the bottom thereof in a hemispherical groove shape corresponding to the space between the electric heater 122 and the buried groove, which is formed by inserting the electric heater 122 into the buried groove 122h, Its upper end is formed in a flat shape to form the same plane as the upper surface of the separation mold plate 120, it is preferably made of a heat transfer material of high heat transfer efficiency.

Of course, the electric heater 122 may be formed in a variety of shapes, depending on the shape of the electric heater 122, the shape of the buried groove 122h and the heater shield 126 may be changed.

Therefore, the electric heater 122 is seated in the buried groove (122h), the heater shield 126 is pressed to fill the buried groove (122h) so as to cover the electric heater 122, the electric The heater 122 is installed to be wrapped in the buried groove 122h and the heater shield 126 and is not easily removed.

The first embodiment of the electric heater installation structure as described above is limited to being installed in the separation mold plate 120 mold, but may be installed in the support mold plate 110, the core mold 130, and the like. Other examples below apply equally.

The second embodiment of the electric heater installation structure that can be applied to the mold apparatus of the present invention is formed in the same manner as the first embodiment of the electric heater installation structure, buried in the separation mold plate 120 as shown in FIG. The electric heater 122 having a circular cross section is inserted into the groove 122h, and the heat transfer powder 118 is inserted into the buried groove 122h to prevent detachment of the electric heater 122. It is shaped to fill the space by the heat of the heater 122 to form a sealing member.

Similarly, since the buried groove 122h and the electric heater 122 are configured in the same manner as in the first embodiment, detailed description thereof will be omitted.

At this time, the sealing member is manufactured to melt and solidify as heat is applied to the heat transfer powder 128 of thermoplastic material, the lower end of which is engaged with the upper end of the electric heater 122 and the upper end of the separation mold plate ( It is installed to form the same plane as the upper surface of 120.

Therefore, the electric heater 122 is seated in the buried groove (122h), the heat transfer powder 128 is filled in the buried groove (122h) in which the electric heater 122 is embedded, the electric heater ( 122 is operated and heated, and the heat transfer powder 128 is melted and melted and fixed in a shape fitted between the electric heater 122 and the buried groove 122h so that the electric heater 122 is not easily removed. do.

According to a third embodiment of the electric heater mounting structure applicable to the mold apparatus of the present invention, as shown in FIG. 7, the separating mold plate is divided into two members 120A and 120B in the thickness direction, and the two of the separating mold plate are separated. Buried grooves 122h and 122h 'are formed between the members 120A and 120B so as to face each other on separate surfaces, and the separation mold plate is configured to engage the electric heater 122 with the buried grooves 122h and 122h'. The two members 120A and 120B are screwed together or welded together.

Of course, the electric heater 122 is composed of a hot wire having a circular cross section, the coating is made of a material having high heat transfer efficiency on the outer peripheral surface.

At this time, as the cross section of the electric heater 122 is formed in a circular shape, each of the buried grooves 122h and 122h 'on the two member sides is also formed in a semicircle so as to be engaged with the electric heater 122, the electric heater 122 ), Each of the buried grooves 122h and 122h 'on the two member sides is also determined as the shape thereof.

That is, the electric heater 122 is fitted into each of the buried grooves (122h, 122h ') of the two members side, and then, when the two members (120A, 120B) of the separation mold plate is assembled and fixed to engage with each other, the two members As the periphery of the electric heater 122 is tightly fixed to each of the buried grooves 122h and 122h ', the electric heater 122 can be installed more easily and firmly.

In the above, the present invention has been described in detail by way of examples based on the embodiments of the present invention and the accompanying drawings. However, the scope of the present invention is not limited by the above embodiments and drawings, and the scope of the present invention will be limited only by the contents described in the claims below.

The mold apparatus according to the present invention configured as described above is a cavity mold consisting of a support plate and a separation mold plate, between the support plate and the separation mold plate, electromagnets and permanent magnets, guides and servo motors, guides and hydraulic / pneumatic devices Since the separation mold plate can be contacted / moved from the support plate in accordance with an external signal, it is possible to stably contact / move the separation mold plate from the support plate by an external signal even if it is operated for a long time under high pressure. And there is an advantage that can further improve the operation reliability.

In addition, since the mold apparatus according to the present invention forms an embedding groove in the mold side so that one end of the electric heater is engaged, and inserts a heater shield into the embedding groove to surround the other end of the electric heater, or fill the heat transfer powder to melt and solidify There is an advantage that the electric heater can be more stably fixed, and furthermore, the mold is divided in the thickness direction, and each embedding groove is formed in the opposing part so as to assemble the two members of the mold and to seat the electric heater at the same time. Not only is this simple, it can be reduced to increase productivity.

Claims (19)

A cavity mold consisting of a relatively thin thickness separation mold plate forming a part of a molding cavity on a front surface thereof and a relatively thick thickness support mold plate which may be contacted or spaced apart from a rear surface of the separation mold plate; A core mold engaged with the cavity mold to form a molding cavity; Moving means for relatively moving the cavity mold and the core mold to open and close the cavity; And an opening / closing means installed between the separation mold plate and the support mold plate to allow the separation mold plate to be contacted / separated from the support mold plate by an external signal. The method of claim 1, And the cavity mold is fixed to a fixed plate located opposite the core mold, and the core mold reciprocates toward the cavity mold by the moving means. The method of claim 2, The cavity mold, the mold apparatus, characterized in that it comprises an injection hole for injecting the molding material into the molding cavity. The method of claim 1, A portion of the outer edge of the support mold plate is characterized in that for guiding the separation mold plate when the separation mold plate moves. The method of claim 4, wherein The support mold further comprises a guide block for preventing the removal of the separation mold plate. The method of claim 1, The opening and closing means is a mold apparatus, characterized in that at least two or more are installed symmetrically in the separation surface of the separation mold plate and the support plate. The method of claim 1, The opening and closing means includes a permanent magnet fixed to any one of the separating surface of the separation mold plate and the support plate, and an electromagnet fixed to the other of the separation surface of the separation mold plate and the support plate. Mold apparatus. The method of claim 1, The opening and closing means is a mold device characterized in that it comprises a guide that is installed between the separation surface of the separating die plate and the support plate, and a servo motor (Servo motor) for supplying a rotational force to the guide. The method of claim 1, The opening and closing means includes a guide connected between the separating mold plate and the separation surface of the support plate and a mold device, characterized in that the oil / pneumatic device for supplying oil / pneumatic to the guide. The method according to any one of claims 1 to 9, Heating means installed on a separation surface of the separation mold plate to heat the separation mold plate; And a cooling means installed on the support mold to cool the support mold. The method of claim 10, The heating means includes an electric heater embedded in a buried groove formed in a shape corresponding to the separation surface of the separation die plate, and a sealing member installed in the buried groove in which the electric heater is embedded to prevent the removal of the electric heater. High temperature mold, characterized in that. The method of claim 11, High temperature mold, characterized in that the outer circumferential surface of the electric heater is coated with a heat transfer fluid of high heat transfer efficiency. The method of claim 11, The sealing member is a high temperature mold, characterized in that the heater shield having a shape corresponding to the space between the electric heater and the embedding groove generated by the electric heater is inserted into the embedding groove. The method of claim 13, High temperature mold, characterized in that the bottom surface of the heater shield has a shape corresponding to one surface of the electric heater. The method of claim 14, The high temperature mold, characterized in that the upper surface of the heater shield is formed to have a plane continuous with the back of the separation mold plate. The method of claim 11, The sealing member is a high-temperature mold, characterized in that the heat transfer powder is filled to fill the space between the electric heater and the embedding groove formed by the electric heater is inserted into the embedding groove to fill the space by the heat of the electric heater. The method of claim 16, The high temperature mold, characterized in that the upper surface of the formed heat transfer powder is formed to have a plane continuous with the back surface of the separation mold plate. The method of claim 11, The separation mold plate is divided into two members in the thickness direction, the high temperature mold, characterized in that the electric heater is embedded in the buried groove formed to face each other on the separation surface of the two members. The method of claim 18, The buried groove of the two members, the high temperature mold, characterized in that in close contact with the outer of the electric heater in the coupled state of the two members.

Images