KR20210039097A - Injection mold device - Google Patents

Abstract

An injection mold device of the present embodiment includes: a movably installed cover template; a base template positioned to engage with the cover template; a first injection core mounted on the cover template and having an injection groove on one surface corresponding to a partial shape of an injection product; a second injection core mounted on the base template to face the first injection core, and having an injection groove corresponding to the rest of the shape of the injection product; a first cooling core mounted on the cover template and provided on one surface thereof with a cooling groove for accommodating a partial shape of the injection product; a second cooling core mounted on the base template to face the first cooling core, and formed on one surface thereof with a cooling groove for accommodating the remaining shape of the injection product; and at least one cooling unit embedded in the first cooling core or the second cooling core to cool the first cooling core and the second cooling core to at least the temperature of the first injection core and the second injection core or less.

Description

Injection mold device}

The present invention relates to an injection mold apparatus capable of shortening the injection process time.

Methods of manufacturing articles using a synthetic resin such as plastic as a raw material include injection molding using an injection mold, vacuum molding using suction of air, and blow molding formed by air blow.

The injection molding method can be performed by an injection mold apparatus, and the injection mold apparatus is an apparatus that injects a molten resin or the like into a cavity, which is an empty space in the mold, and then cools the molten resin in the cavity in the mold to manufacture an injection product.

The injection mold apparatus includes a mold in which a cavity having the same shape as an injection product to be manufactured is formed, and an injection molding machine for injecting a molten resin into the cavity. The mold may include a fixed mold and a movable mold that is coupled to or separated from the fixed mold, and a cavity may be formed between the fixed mold and the movable mold.

The molten resin injected into the cavity in the injection molding machine may be cooled and solidified in the cavity, and the cooled injection product may be taken out of the mold after the movable mold is separated from the fixed mold.

The operator or robot can take out the injection when the melt is cooled between the fixed mold and the movable mold, and in this case, the fixed mold and the movable mold must wait for the time when the melt is solidified and cooled, and cooling is completed. If the time is long, the total time required for the injection mold device to sequentially manufacture a plurality of injection products may take a long time.

The present invention has been conceived to solve the problems of the prior art, and provides an injection mold apparatus capable of shortening the total time required to manufacture a plurality of injection products by simultaneously performing injection and cooling in different areas inside the mold. There is a purpose.

Another object of the present invention is to provide an injection mold apparatus capable of improving the quality of an injection product by separately controlling an injection temperature and a cooling temperature.

The injection mold apparatus of this embodiment includes a cover template installed to be movable; A base template positioned to be engaged with the cover template; A first injection core mounted on the cover template and having an injection groove corresponding to a partial shape of the injection product on a lower surface thereof; A second injection core mounted on the base template to face the first injection core and having an injection groove corresponding to the remaining shape of the injection product on an upper surface; A first cooling core mounted on the cover template and having a cooling groove on one surface for receiving a partial shape of the molded product; A second cooling core mounted on the base template so as to face the first cooling core and having a cooling groove on one surface for receiving the remaining shape of the molded product; And at least one cooling unit built into the first cooling core or the second cooling core and cooling the first cooling core and the second cooling core to at least a temperature below the temperature of the first injection core and the second injection core. Includes.

The cover template is mounted on all sides of one surface so that the first injection core and the first cooling core are mounted adjacent to each other, and the base template is installed so that the second injection core and the second cooling core are mounted adjacent to each other. It can be mounted on all sides.

According to an embodiment of the present invention, a pair of base template plates are provided side by side, and a rotating plate for moving the base template alternately so as to be engaged with the cover template; may be further included.

One of the first injection core or the second injection core may be composed of a plurality of movable bodies movable to form the cooling groove.

One of the first cooling core or the second cooling core may include at least one fixed body fixed to form the cooling groove, and the number of fixed bodies may be smaller than the number of the movable bodies.

The cooling unit may be configured as a cooling flow path through which a fluid or gas capable of adjusting temperature may flow, or may be configured as an electric heater capable of adjusting temperature.

According to an embodiment of the present invention, at least one or more heat-insulating portions provided between each template and each core; may further include.

The heat-shielding portion may be composed of a heat-blocking protrusion in which a part of each template protrudes to support each core, or may be formed of a heat-insulating plate made of a material having a low heat transfer rate provided between each core and each template.

According to an embodiment of the present invention, provided in the first injection core, a plurality of runners for injecting a molten raw material into the injection groove; And a plurality of high-temperature pressurizing pins provided on the first cooling core and configured to pressurize protrusions formed to correspond to the runners among the injection products seated on the second cooling core to a high temperature.

Each of the pins for high temperature pressing may have grooves having a diameter larger than the diameter of the runner on a surface that contacts the protrusion of the injection product.

According to an exemplary embodiment of the present invention, a plurality of flatness correction units provided in the first cooling core and for pressing a plurality of points among the injection products seated on the second cooling core may be further included.

The flatness correction unit may be elastically supported in the axial direction by a spring on the first cooling core.

According to an embodiment of the present invention, it is embedded in the first injection core or the second injection core, and heating the first injection core and the second injection core to at least the temperature of the first cooling core and the second cooling core or higher. Heating unit; may further include.

The injection mold apparatus according to the present invention comprises an injection core and a cooling core in one template, so that the injection process and the cooling process are simultaneously performed to shorten the total time required to manufacture a plurality of injection products.

In addition, by including a cooling unit for cooling the cooling core, the cooling temperature during the cooling process can be separately controlled from the injection temperature during the injection process, and the quality of the injection product can be improved.

In addition, by forming a heat shielding protrusion between each core and each template to reduce the heat transfer area, or by installing an insulating plate to lower the heat transfer rate, it is possible to maintain a constant and accurate temperature of each core undergoing the injection process or the cooling process. Quality deviation can be reduced.

In addition, by configuring the pins for high temperature pressurization on the cooling core side, the protrusions of the injection product can be arranged by the pins for high temperature pressure during the cooling process, and the manufacturing time of the injection product can be shortened.

In addition, by configuring the flatness correction units on the cooling core side, the flatness of the injection product can be corrected by the flatness correction units during the cooling process, and the manufacturing time of the injection product can be shortened.

1 to 2 are perspective and front views schematically showing an injection mold apparatus according to the present embodiment.
3 is a plan view showing an example of mounting a base template according to the present embodiment.
4 to 5 are a perspective view and a plan view showing a base template according to the present embodiment.
6 is a perspective view showing a cooling unit built into the template according to the present embodiment.
7 to 8 are a perspective view and a side view showing a heat shielding projection applied to the template according to the present embodiment.
9 to 10 are plan and side views illustrating an installation structure of a heat insulating plate between a template and a core according to the present embodiment.
11 is a view schematically showing an operating state of the high-temperature pressurizing fin applied to the first cooling core according to the present embodiment.
12 to 13 are perspective and side views schematically showing flatness correction units applied to the first cooling core according to the present embodiment.

Hereinafter, with reference to the accompanying drawings with respect to the present embodiment will be described in detail.

1 to 2 are a perspective view and a front view schematically showing an injection mold apparatus according to the present embodiment, FIG. 3 is a plan view showing an example of mounting a base template according to the present embodiment, and FIGS. 4 to 5 are viewed A perspective view and a plan view showing a base template according to an embodiment.

The injection mold apparatus according to the embodiment is described only for molds that mesh with each other in the vertical direction, but can be applied to both molds that mesh with each other in both directions.

In detail, the cover template 10 installed to be elevating and descending, the base template 20 positioned below the cover template 10, a plurality of first cores 31 to 34 mounted on the cover template 10, and Includes a plurality of second cores 41 to 44 mounted on the base template 20, and the first and second cores 31 to 34, 41 to 44 are injection cores 31 and 32 that undergo an injection process. ,41,42) and cooling cores 33,34,43,44 for performing a cooling process.

The cover template 10 is installed so as to be elevating by the elevating mechanism 1, and a plurality of first mounting portions 11a to 11d may be provided on the lower surface thereof. The first injection cores 31 and 32 for performing the injection process and the first cooling cores 33 and 34 for performing the cooling process may be bolted to the first mounting portions 11a to 11d. An injection zone in which the first injection cores 31 and 32 are mounted and a cooling zone in which the first cooling cores 33 and 34 are mounted may be formed on the cover template 10.

According to the embodiment, the four first mounting portions 11a to 11d may be located on all sides of the lower surface of the cover template 10, and the two first mounting portions 11a and 11b facing each other are It may be formed larger than the first mounting portion (11c, 11d). A pair of first injection cores 31 and 32 are mounted on the first mounting portions 11a and 11b having a relatively large size, and a pair of first mounting portions 11c and 11d are mounted on the relatively small first mounting portions 11a and 11b. 1 Cooling cores 33 and 34 may be mounted.

The base template 20 is located under the cover template 10, and a plurality of second core mounting portions 21a to 21d may be provided on the upper surface thereof. Likewise, the second injection cores 41 and 42 for performing the injection process and the second cooling cores 43 and 44 for performing the cooling process may be bolted to the second core mounting portions 21a to 21d. have. An injection zone in which the second injection cores 41 and 42 are mounted and a cooling zone in which the second cooling cores 43 and 44 are mounted may be formed in the base template 20.

According to the embodiment, the four second core mounting portions 21a to 21d may be located on all sides of the upper surface of the base template 20, and the two second mounting portions 21a and 21b facing each other are It may be formed larger than that of the two second mounting portions 21c and 21d. A pair of second injection cores 41 and 42 are mounted on the relatively large second mounting portions 21a and 21b, and a pair of second mounting portions 21c and 21d are mounted on the relatively small second mounting portions 21a and 21b. 2 Cooling cores 43 and 44 may be mounted.

When the cover template 10 configured as described above descends and meshes with the base template 20, the first cores 31 to 34 and the second cores 41 to 44 may be molded and closed, and the cover template 10 When this rises and separates from the base template 20, the first cores 31 to 34 and the second cores 41 to 44 may be opened.

When the first and second cores 31 to 34 and 41 to 44 are molded and closed, the injection process by some of the cores 31, 32, 41 and 44 located in the injection zone and the remaining cores 33 located in the cooling zone ,34,43,44), the cooling process can be performed at the same time.

Meanwhile, two base template plates 20 and 120 may be provided side by side on both sides of the rotating plate 2, and each time the rotating plate 2 is rotated, the base template plates 20 and 120 alternately It can be located on the lower side.

By allowing the cover template 10 and one base template 20 to mesh, the injection process and the cooling process can be simultaneously performed in the injection zone and the cooling zone. At the same time, the operator or the robot arm moves the injection product from the other base template 120, and the injection product cooled in the cooling zone may be discharged, and the injection product solidified in the injection zone may be moved to the cooling zone.

Accordingly, since the injection process, the cooling process, and the movement of the injection product can be simultaneously performed, the total time required to manufacture a plurality of injection products can be shortened.

The first cores 31 to 34 may include first injection cores 31 and 32 performing an injection process and first cooling cores 33 and 34 performing a cooling process. In order to form the injection zone and the cooling zone on the cover template 10 side, the first injection cores 31 and 32 and the first cooling cores 33 and 34 are alternately positioned adjacent to each other on the cover template 10. Can be, but is not limited.

The first injection cores 31 and 32 are configured in the form of a block forming injection grooves 31h and 32h corresponding to the upper shape of the injection product, and the first cooling cores 33 and 34 have an upper shape of the injection product. It may be configured in the form of a block forming the cooling grooves (33h, 34h) to be accommodated on the lower surface.

Likewise, the second cores 41 to 44 may include second injection cores 41 and 42 performing an injection process and second cooling cores 43 and 44 performing a cooling process. In order to form the injection zone and the cooling zone on the side of the base template 20, the second injection cores 41 and 42 and the lower second cooling cores 43 and 44 are alternately positioned adjacent to each other on the base template 20. Can be, but is not limited.

Similarly, the second injection cores 41 and 42 are configured in a block shape forming injection grooves 41h and 42h corresponding to the lower shape of the injection product on the upper surface, and the second cooling cores 43 and 44 are It may be configured in the form of a block forming the cooling grooves (43h, 44h) to accommodate the shape on the upper surface.

The injection cores 31, 32, 41, 42 are located in the injection zone to perform an injection process. In order to control the injection temperature, a heating unit (not shown) is installed in the injection cores 31, 32, 41, 42. Can be built in.

When the first injection cores 31 and 32 and the second injection cores 41 and 42 are meshed with each other, they correspond to the shape of a complex injection product including runners (not shown) into which molten resin is injected to proceed with the injection process. Injection grooves 31h, 32h, 41h, and 42h can be formed. Of course, the injection grooves 31h, 32h, 41h, and 42h may be implemented differently according to the shape of the injection object, but they are inevitably provided in a more complex structure than the cooling grooves 33h, 34h, 43h, and 44h to be described below. .

In order to implement the complex-shaped injection grooves 31h, 32h, 41h, and 42h, the first injection cores 31 and 32 and the second injection cores 41 and 42 may each be composed of a plurality of movable bodies. The movable bodies may be moved in a horizontal or vertical direction as needed, and each may be provided with a driving force.

Meanwhile, an injection machine (not shown) capable of supplying the molten resin to the injection grooves 31h, 32h, 41h, 42h may be provided on one side of the first and second injection cores 31, 32, 41, and 42.

The injection machine has a hopper to receive raw materials of the molten resin, a body that provides a space where the raw materials are changed into molten resin, a heater that heats the raw materials inside the body with molten resin, and is connected to the body to bring the molten resin into the cavity. It may include a plurality of gates to be supplied, but is not limited thereto. Gates on the injection machine side may be connected to runners (not shown) on the injection cores 31, 32, 41, and 42 side.

The cooling cores 33, 34, 43, 44 are located in the cooling zone to perform a cooling process, and a cooling unit (not shown) is provided in the cooling cores 33, 34, 43, 44 to control the cooling temperature. Can be built in.

When the first cooling cores 33 and 34 and the second cooling cores 43 and 44 are meshed with each other, the cooling grooves 33h, 34h, 43h, 44h in which the shape of the injection object is accommodated in order to proceed with the cooling process are formed into the injection grooves ( 31h, 32h, 41h, 42h) can be formed larger and simpler.

In order to implement the simple cooling grooves 33h, 34h, 43h, 44h, the first cooling cores 33, 34 and the second cooling cores 43, 44 may each be composed of at least one fixed body. . Fixed bodies may also be configured in a moving form as needed, and are not limited thereto.

As such, the first and second cooling cores 33, 34, 43, and 44 may have a simple structure compared to the first and second injection cores 31, 32, 41, and 42.

That is, the shape of the cooling grooves (33h, 34h, 43h, 44h) can be configured simply compared to the shape of the ejection grooves (31h, 32h, 41h, 42h), and the number of fixed bodies is configured to be smaller than the number of movable bodies. The cooling cores 33, 34, 43, and 44 may have a smaller size than the injection cores 31, 32, 41, and 42.

Accordingly, the cooling cores 33, 34, 43, 44 together with the injection cores 31, 32, 41, 42 may be installed in the limited size of the template plates 10 and 20.

6 is a perspective view showing an example of a temperature control unit built into the core according to the present embodiment.

The temperature control unit 50 is a heating unit for heating the injection cores 31, 32, 41, 42 (shown in FIG. 1), or cooling the cooling cores 33, 34, 43, 44 (shown in FIG. 1). It may be a cooling unit for, and may be configured in various ways.

According to the embodiment, the temperature control unit 50 may be composed of a flow path 51 through which a temperature-controllable fluid or gas can flow, and the flow path 51 is in each of the cores 31 to 34, 41 to 44. Can be built in.

An injection pipe 52 and a recovery pipe 53 may be provided outside each core 31 to 34, 41 to 44, and the injection pipe 52 and the recovery pipe 53 are It may be located on one side or on one side of the mounting portion (11a ~ 11d, 21a ~ 21d) of each template (10, 20: shown in Fig. 1), the flow path 51 is between the injection pipe 52 and the recovery pipe 53 It may be provided inside each core (31-34, 41-44) to connect.

When the fluid heated to the injection temperature is injected into the injection pipe 52 on the side of each injection core (31, 32, 41, 42), the injection core (31, 32, 41, 42) is passed through the flow path 51. By heating to the injection temperature, the injection process can be performed in the injection zone.

When the fluid cooled to the cooling temperature is injected into the injection pipe 52 on the side of each cooling core (33,34,43,44), the cooling core (33,34,43,44) is passed through the flow path (51). By cooling to the cooling temperature, the cooling process can proceed in the cooling zone.

Meanwhile, the temperature control unit 50 may be configured in the form of an electric heater capable of controlling temperature, and is not limited thereto.

7 to 8 are a perspective view and a side view showing a heat shielding protrusion applied to the template according to the present embodiment, and FIGS. 9 to 10 are a plan view showing an installation structure of a heat insulating plate between the template and the core according to the present embodiment. It is a side view.

According to the present invention, the injection cores 31, 32, 41, 42 have a built-in heating unit, the cooling cores 33, 34, 43, 44 have a built-in cooling unit, and the cores 31-34, 41- 44) may be fixed to one of the cover template 10 and the base template 20.

However, when performing an injection process or a cooling process, it is necessary to control the injection temperature or cooling temperature constant and accurately in order to improve the quality of the product.

Therefore, in order to control the temperature of the cores 31 to 34, 41 to 44 consistently and accurately during the process, heat transfer between the cores 31 to 34, 41 to 44 and each template 10 and 20 can be blocked. have.

According to FIGS. 7 to 8, a plurality of heat shielding protrusions a to d may be integrally provided on the mounting portions 11a to 11d and 21a to 21d of each template 10 and 20. The heat shielding protrusions (a to d) may be integrally provided on one surface of each core (31 to 34, 41 to 44) in contact with the mounting portions (11a to 11d, 21a to 21d) of each template (10, 20), , Not limited.

The heat transfer area between the cores 31 to 34 and 41 to 44 and the template 10 and 20 can be minimized by the heat shielding protrusions a to d, and during the process, each core 31 to 34,41~44) can be kept constant and accurate.

According to FIGS. 9 to 10, a heat insulating plate e may be provided between the mounting portions 11a to 11d and 21a to 21d of each template 10 and 20 and the cores 31 to 34 and 41 to 44. The heat insulating plate (e) may be made of a material having a lower heat transfer rate than each of the template plates 10 and 20 or the cores 31 to 34 and 41 to 44, and is not limited thereto.

The heat transfer rate between each core (31-34,41-44) and each template (10,20) can be minimized by the insulation plate (e), and each core (31-34,41-44) during the process The temperature of can be kept constant and accurate.

11 is a view schematically showing an operating state of the high-temperature pressurizing fin applied to the first cooling core according to the present embodiment.

According to the present invention, after the injection process is performed by the molded injection cores 31, 32, 41, 42 (shown in FIG. 1), the second injection cores 41, 42 in which the solidified injection product I is molded open. : The cooling process is carried out by the cooling cores 33, 34, 43, 44 (shown in FIG. 1) moved from the second cooling cores 43 and 44 (shown in FIG. 1) to the second cooling cores 43 and 44 (shown in FIG. 1). It proceeds, but the injection process and the cooling process can be performed simultaneously.

However, the molded injection cores 31, 32, 41, 42 (shown in Fig. 1) form a plurality of runners (not shown) into which molten resin can be injected, so that the solidified injection product I is injected into the injection core. Even if separated from the fields 31, 32, 41, 42 (shown in FIG. 1), a plurality of protrusions P may be formed on a part of the injection product I corresponding to the positions of the runners.

Accordingly, a separate operation of removing the protrusions P from the injection product I may be performed, but the total time required to manufacture the injection product may be increased.

According to FIG. 11, a plurality of high-temperature pressurization fins 35 protrude downward from each of the first cooling cores 33 and 34, and may be provided at positions corresponding to the runners, and Grooves 33h and 34h capable of compressing the protrusions P may be provided.

Each groove (35h) may be configured in a circular shape, and the diameter of each groove (35h) is formed larger than the diameter of the protrusion (P) of the injection product (I), but is not limited.

The pins 35 for high temperature pressurization are in a form capable of providing a predetermined temperature and a predetermined pressure, and may be heated by a heater or the like, and may be configured to be lifted or lowered by a separate driving unit, but is not limited thereto.

If configured as described above, even if protrusions P are formed on the injection product I during the injection process, the solidified injection product P is moved to the second cooling cores 43 and 44 (shown in FIG. 1), and then molded. While the cooled cores 33, 34, 43, 44 (shown in Fig. 1) completely cool the solidified injection product I, the high-temperature pressurizing pins 33p, 34p pressurize the protrusions P at a high temperature. It can be compressed into a certain shape on the side of the injection product (I).

By arranging the protrusions P in a neat shape on the injection product I while performing the cooling process, the total time required to manufacture the injection product I can be shortened.

12 to 13 are perspective and side views schematically illustrating flatness correction units applied to the first cooling core according to the present embodiment.

According to the present invention, after the molten resin is molded at the injection temperature, the solidified injection product can be quickly cooled at the cooling temperature.

However, the injection product may be ejected in a curved shape due to the influence of the characteristics, material, and shape of the injection process.

Accordingly, a separate operation for correcting the flatness of the injection product may be performed, but the total time required to manufacture the injection product may be increased.

According to FIG. 12, a plurality of flatness correction units 36 protrude downward from each of the first cooling cores 33 and 34, and the injection product I seated on each of the second cooling cores 43 and 44 (shown in FIG. 1) ) Is provided to press a plurality of positions, and the lower surface may be formed in a plane so as to contact the injection product (I).

Of course, the flatness correction units 36 may be configured in a pin or plate type, and are not limited thereto.

The positions of the flatness correction units 36 may be determined in consideration of the curved shape of the injection product I, and the flatness correction units 36 may be provided to correspond to a plurality of positions among the edges or the center of the injection product I. , Not limited.

The flatness correction units 36 are elastically supported in the axial direction by a spring S on each of the first cooling cores 33 and 34, so that the first cooling cores 33 and 34 are formed by the second cooling cores 43 and 44. 1), the flatness correction units 36 may press a plurality of positions among the injection products I seated on the second cooling cores 43 and 44 (shown in FIG. 1) at a predetermined pressure. , Not limited.

When configured as described above, even if the injection product I made by the injection process is solidified and bent at the same time, the solidified injection product P is moved to the second cooling cores 43 and 44 (shown in Fig. 1), and then molded and closed cooling. While the cores 33, 34, 43, 44 (shown in Fig. 1) completely cool the solidified injection product (I), the flatness correction units 36 pressurize a plurality of positions of the injection product (I) to flatten it. have.

By correcting the flatness of the injection product I while proceeding the cooling process, the total time required to manufacture the injection product I can be shortened.

The above description is merely illustrative of the technical idea of the present invention, and those of ordinary skill in the art to which the present invention pertains will be able to make various modifications and variations without departing from the essential characteristics of the present invention.

Accordingly, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention, but to explain the technical idea, and the scope of the technical idea of the present invention is not limited by these embodiments.

The scope of protection of the present invention should be interpreted by the following claims, and all technical ideas within the scope equivalent thereto should be construed as being included in the scope of the present invention.

10: cover template 20,120: base template
31,32: first injection core 33,34: first cooling core
35: pin for high temperature pressurization 36: flatness correction unit
41,42: second injection core 43,44: second cooling core
50: temperature controller 51: flow path
52: injection pipe 53: recovery pipe

Claims (15)

A cover template installed to be movable;
A base template positioned to be engaged with the cover template;
A first injection core mounted on the cover template and having an injection groove corresponding to a partial shape of the injection product on one surface;
A second injection core mounted on the base template so as to face the first injection core and having an injection groove corresponding to the remaining shape of the injection product on one surface thereof;
A first cooling core mounted on the cover template and having a cooling groove on one surface for receiving a partial shape of the molded product;
A second cooling core mounted on the base template so as to face the first cooling core and having a cooling groove on one surface for receiving the remaining shape of the molded product; And
At least one cooling unit embedded in the first cooling core or the second cooling core and cooling the first cooling core and the second cooling core to at least below the temperature of the first injection core and the second injection core; Injection mold device. The method of claim 1,
The cover template,
The first injection core and the second cooling core are mounted on all sides of one surface so that they are mounted adjacent to each other,
The base template,
An injection mold apparatus that is mounted on all sides of one surface of the second injection core and the second cooling core to be mounted adjacent to each other. The method of claim 1,
An injection mold apparatus further comprising: a rotation plate provided with a pair of base template plates side by side and alternately moving the base template plates to mesh with the cover template. The method of claim 1,
One of the first injection core or the second injection core,
An injection mold apparatus comprising a plurality of movable bodies movable to form the cooling groove. The method of claim 4,
One of the first cooling core or the second cooling core,
Consisting of at least one fixed body fixed to form the cooling groove,
An injection mold apparatus in which the number of the fixed bodies is smaller than the number of the movable bodies. The method of claim 1,
The cooling unit,
An injection mold device consisting of a cooling channel through which a fluid or gas capable of temperature control can flow. The method of claim 1,
The cooling unit,
An injection mold device consisting of an electric heater that can control temperature. The method of claim 1,
Injection mold apparatus further comprising; at least one or more heat shielding portions provided between each template and each core. The method of claim 8,
The heat shielding part,
An injection mold device consisting of a heat-blocking projection in which a part of each template protrudes to support each core. The method of claim 8,
The heat shielding part,
An injection mold device composed of a heat insulating plate made of a material with a low heat transfer rate provided between each core and each template. The method of claim 1,
A plurality of runners provided in the first injection core and injecting molten raw materials into the injection grooves; And
An injection mold apparatus further comprising a plurality of high-temperature pressurizing pins provided on the first cooling core and for pressing protrusions formed at positions corresponding to the runners among the injection products seated on the second cooling core to a high temperature. The method of claim 11,
The high temperature pressurization pin,
An injection mold apparatus in which grooves having a diameter larger than the diameter of the runner are respectively provided on a surface of the injection object in contact with the protrusion. The method of claim 1,
An injection mold apparatus further comprising a plurality of flatness correction units provided on the first cooling core and for pressing a plurality of points among the injection products seated on the second cooling core. The method of claim 13,
The flatness correction unit,
An injection mold apparatus that is elastically supported in an axial direction by a spring on the first cooling core. The method of claim 1,
A heating unit built into the first injection core or the second injection core and heating the first injection core and the second injection core to at least the temperature of the first cooling core and the second cooling core or higher; Mold device.

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