KR102138354B1 - A isostatic press be able to heating and colding - Google Patents

Abstract

The present invention relates to an isostatic press apparatus capable of heating and cooling which performs isostatic pressing by cooling and heating a pressure medium supplied to a pressure vessel. According to an embodiment of the present invention, the isostatic press apparatus capable of heating and cooling comprises: a pressure vessel which receives a pressure medium to receive a workpiece, has a pressure space to receive the pressure medium, and has a vertically penetrated shape; a lower cap to seal a lower portion of the pressure vessel; an upper cap to seal an upper portion of the pressure vessel; a heater unit installed on one of the lower cap and the upper cap to heat the pressure medium supplied to the pressure space while being positioned in the pressure space; a cooling unit installed on the other one to cool the pressure medium supplied to the pressure space while being positioned in the pressure space; and a circulation flow path tray to support the workpiece in the pressure vessel, and form a circulating air current on the pressure medium to minimize a vertical temperature difference of the pressure medium of the pressure space. Therefore, the internal temperature difference of the pressure vessel can be minimized to prevent forming defects.

Description

An isostatic press capable of cooling and heating {A isostatic press be able to heating and colding}

The present invention relates to an isostatic press device capable of cooling and heating by isotropic pressure press forming by cooling and heating the pressure medium supplied to the pressure vessel.

In general, a chip component made of ceramic is formed by heating at high temperature and high pressure. In the case of mechanically molding at high temperature and high pressure, an isostatic pressure device is used because there is a limit to pressurizing at a uniform pressure as a whole.

The isostatic pressure device injects a pressure medium in a state in which a workpiece is carried in, thereby heating the workpiece with a uniform pressure in the circumference by the pressure medium, so that a chip component can be manufactured by pressing with a uniform pressure as a whole.

In the normal isostatic pressure device, a heater that heats the pressure medium is installed therein to perform isostatic press molding at a high temperature, and it takes a long time to heat the pressure medium, and after cooling the pressure medium, the workpiece must be taken out. Since it takes a long time to lower the heated temperature, there was a problem that the time of isostatic press molding takes a long time.

In order to solve this, there has been disclosed a "isotropic pressure press device capable of heating and cooling" in Korean Registered Patent Publication No. 10-1708490 (announced on January 1, 2017).

Conventional isostatic press device capable of heating and cooling is formed in an accommodating groove in which an object to be processed is accommodated, and a pressure vessel filled with a pressurizing medium in the accommodating groove to press an object to isotropic pressure. In this case, it is configured to include a heat exchanger including a heat exchange member that is installed in the receiving groove and heat-exchanging with the pressing medium to heat or cool the pressing medium supplied to the receiving groove.

The conventional isostatic press device capable of heating and cooling in such a configuration can heat and cool the work piece in a short time, and obtain a dense work piece of tissue, thereby minimizing the defective rate of the work piece.

However, the conventional isostatic press capable of heating and cooling performs a heating and cooling selectively by a heat exchanger, so that the structure is not only complicated, but also the fluidity of the pressurized medium is low, so the temperature is located at the part where the heat exchanger is located and the part not. There was a problem that a large difference occurred, resulting in defective molding, and a long time for heating and cooling.

The present invention has been devised to solve the above problems, and the problem to be solved by the present invention is not only easy to manufacture with a relatively simple structure, but also rapidly heating and cooling by flowing a pressurized medium, and the pressurized medium is An object of the present invention is to provide an isostatic press device capable of cooling and heating that minimizes the occurrence of molding defects by minimizing the temperature difference in the interior space to be filled.

An isostatic press device capable of cooling and heating according to an embodiment of the present invention for achieving the above-described problems is formed in a pressure space through which a pressure medium is supplied and a pressure space through which the pressure medium is supplied and penetrated vertically. A pressure vessel, a lower cap sealing the lower portion of the pressure vessel, an upper cap sealing the upper portion of the pressure vessel, and installed in any one of the lower cap and the upper cap to be supplied to the pressure space in a state located within the pressure space A heater unit that heats the pressure medium to be heated, and a cooling unit that is installed in the other to cool the pressure medium supplied to the pressure space in a state located within the pressure space, and supports the work piece inside the pressure vessel, It includes a circulation flow path tray to form a circulating air flow in the pressure medium to minimize the temperature difference above and below the pressure medium in the pressure space.

The circulating flow path tray is formed in an accommodation space accommodating the object to be processed, a plurality of tray inflow holes formed in a lower portion of the accommodation space and into which the pressure medium flows into the accommodation space, and formed in the upper center of the accommodation space to the accommodation space. It may include a tray discharge portion through which the introduced pressure medium is discharged.

The circulating flow path tray may include a skirt portion extending downwardly from the lower circumference of the circulating flow path tray to receive the heater portion so that the pressure medium heated by the tray inlet hole is directly introduced to form a circulating air flow.

The pressure vessel, the lower cap, and the upper cap may include an insulating material insulated from the outside.

The cooling unit is installed in the lower cap or the upper cap and is located in the pressure space, and a cooling line through which heat is exchanged with a pressure medium to supply a cooling line, a cooling line, a cooler for cooling the refrigerant, and cooled in the cooler A circulation pump for forcibly circulating the refrigerant through the cooling line may be included.

The heater unit may include a heating wire installed in the lower cap or the upper cap and positioned in the pressure space to be heated by electricity.

It may include an opening and closing mechanism for opening and closing the upper portion of the pressure vessel by moving the upper cap from the pressure vessel.

According to the present invention, the cooling unit for cooling the pressure medium and the heater unit for heating are separately installed, so that the manufacturing is not only easy due to the relatively simple configuration, but also the manufacturing cost can be reduced.

In addition, the cooling unit and the heater unit exist separately, so that the pressure medium can be quickly heated and cooled, and a circulation flow tray is installed to circulate the pressure medium, thereby minimizing the temperature difference between the upper and lower parts of the pressure space and forming defects. It can be prevented from occurring, and the pressure medium can be quickly heated and cooled.

In addition, the skirt portion in which the heating element of the heater portion is accommodated is formed in the circulation flow path tray, so that the pressure medium can be quickly heated when it is heated, and the circulating air flow through the pressure medium can be easily formed.

1 is a schematic configuration diagram showing an isostatic press device capable of cooling and heating according to an embodiment of the present invention.
Figure 2 is a schematic configuration diagram showing an isostatic press device capable of cooling and heating according to an embodiment of the present invention, a view showing the circulation of a pressure medium by a circulation flow path tray.
3 is a perspective view schematically showing a circulating flow path tray constituting an isostatic press capable of cooling and heating according to an embodiment of the present invention.

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

The isostatic press device 100 capable of cooling and heating according to an embodiment of the present invention includes chip components made of ceramics, such as chip capacitors, chip varistors, chip resistors, chip inductors, chip antennas, and chip EMI filters, Alternatively, not only can a workpiece such as a substrate such as an FPCB or a PCB be compression molded, but also can be used in various fields of compression molding a powder material, and diffusion bonding can be performed by bonding two base materials by high temperature and high pressure.

1 and 2, the isostatic press device 100 capable of cooling and heating according to an embodiment of the present invention may include a pressure vessel 110.

The pressure vessel 110 may be formed in a cylindrical shape, and a pressure space 111 that presses a workpiece by a pressure medium may be formed therein.

The pressure may be supplied with a pressure medium for pressurizing the workpiece by hydraulic pressure, and pressures of several tens of bar to several thousand bar are applied to the pressure space 111 by means of the pressure medium. Isostatic press molding can be performed.

The pressure vessel 110 may be formed in an upper and lower open shape, and an insulating material 160 may be installed inside the pressure vessel 110 to protect the temperature of the pressure medium.

1 and 2, the isostatic press device 100 capable of cooling and heating according to an embodiment of the present invention may include an upper cap 120 and a lower cap 130.

The upper cap 120 may seal the open upper portion of the pressure vessel 110, and the upper cap 120 may be detachably coupled from the upper portion of the pressure vessel 110.

And, the upper cap 120 may be provided with a tray capable of bringing the workpiece into the pressure space 111 of the pressure vessel 110, and the tray may be formed with a plurality of distribution holes to allow the pressure medium to flow. have.

A heat insulating material 160 for performing heat insulation may be installed on a surface of the upper cap 120 that seals the pressure space 111.

The lower cap 130 may seal the open lower portion of the pressure vessel 110, and the lower cap 130 may be detachably coupled at the lower portion of the pressure vessel 110, and the pressure at the lower cap 130 A heat insulating material 160 for performing heat insulation may be installed on a surface sealing the space 111.

The insulation installed on the pressure vessel 110, the upper cap 120, and the lower cap 130 has a hardness to withstand the high pressure of the pressure medium and has a high heat-blocking rate, among resins such as Teflon, polyamide, or ceramic It can be formed including any one.

1 and 2, the isostatic press device 100 capable of cooling and heating according to an embodiment of the present invention may include a heater unit 150 and a cooling unit 140.

The heater 150 is located inside the pressure space 111 to directly heat the pressure medium supplied to the pressure space 111, thereby heating the workpiece and performing isostatic press molding by the pressure of the pressure medium. Can.

An exemplary heater unit 150 may include a heating wire 151 to be heated by electricity, and the heating wire 151 may be located inside the pressure space 111 to heat the pressure medium by the heating wire 151. have.

In addition, the heater unit 150 may set a temperature for heating the pressure medium by the controller, including the controller.

The heater 150 of another example may be configured to supply a heating medium through a heating tube to be heated by the heating medium, and the heating tube is located inside the pressure space 111 to be supplied to the pressure space 111. The heating medium can be heated.

At this time, the heating medium may be water, and the heating medium may be heated by an electric heater or by a Peltier element so that the heating medium circulates through a heating tube through a pump and is heated.

The cooling unit 140 is located inside the pressure space 111 to directly cool the pressure medium supplied to the pressure space 111, thereby cooling the workpiece and performing isostatic press molding by the pressure of the pressure medium. Can.

The cooling unit 140 passes through the refrigerant line by the circulation pump 147 while the refrigerant line through which the refrigerant passes is located in the pressure space 111 and the refrigerant stored in the refrigerant tank 143 is cooled by the cooler 145. It may be configured to cool the pressure space 111.

An exemplary cooler 145 is composed of a cooling cycle in which a cooling fluid moves through a compressor, a condenser, an expansion valve, and an evaporator to cool the refrigerant in the form of heat exchange with the refrigerant in an evaporator generating a low temperature, or instead of a refrigerant line, a cooling cycle The evaporator of is located in the pressure space 111 in the form of a tube may be configured to be cooled by a cooling fluid.

As another example, the cooler 145 may be configured to cool the refrigerant by cooling the Peltier element by configuring the cooling surface of the Peltier effect device to be electrically cooled so that the refrigerant passes.

The cooling unit 140 configured as described above may cool the pressure medium supplied to the pressure space 111 by configuring the refrigerant cooled by the cooler 145 to circulate through the refrigerant line by the circulation pump 147. .

Meanwhile, one of the heater unit 150 and the cooling line 141 may be installed on the upper cap 120 and the other may be installed on the lower cap 130.

For example, as in the embodiment, when the hot wire 151 of the heater unit 150 is installed on the lower cap 130, the cooling line 141 of the cooling unit 140 may be installed on the upper cap 120. have.

When the hot wire 151 and the cooling line 141 are installed on the upper cap 120 or the lower cap 130, the cooling line is easily separated from the upper cap 120 or the lower cap 130 from the pressure vessel 110. 141 and the heating wire 151 are separated together, there is an advantage that can be easily repaired.

1 to 3, the isostatic press device 100 capable of cooling and heating according to an embodiment of the present invention may include a circulation flow path tray 170.

The circulating flow path tray 170 can bring the work into the pressure space 111 of the pressure vessel 110, and the pressure medium of the pressure space 111 is circulated to minimize the temperature difference between the top and bottom of the pressure space 111. It can form a circulating air flow.

The circulation passage tray 170 may support the workpiece in the pressure space 111 so as to be spaced apart from the bottom of the pressure space 111 so that the workpiece is located in the center of the pressure space 111.

In addition, the circulating flow path tray 170 is coupled to the upper cap 120, and when the upper cap 120 is separated from the pressure vessel 110, the circulating flow path tray 170 together with the upper cap 120 has a pressure space 111 ) In the form of being taken out of the pressure space 111 may be configured to take out the workpiece.

The circulation passage tray 170 may include a receiving space 171, a tray inlet hole 173, and a tray outlet 175.

The receiving space 171 is formed inside the circulation flow path tray 170 to accommodate the workpiece, and the tray inflow hole 173 is formed to penetrate from the bottom of the circulation flow path tray 170 to the receiving space 171. The tray inlet hole 173 of the pressure medium supplied to the pressurized space may be introduced into the receiving space 171.

In addition, the tray discharge portion 175 is formed to penetrate the receiving space 171 on the upper portion of the circulation flow path tray 170, the pressure medium flowing into the receiving space 171 through the tray inlet hole 173 is the tray discharge portion It can be discharged through (175).

The circulation flow path tray 170 may include a tray door 176.

The tray door 176 may open and close the receiving space 171 of the circulating flow path tray, and the circulating flow path tray 170 may be rotated to lock the tray door 176 or a locking lever 178 that can be opened. have.

In addition, the tray door 176 may be detachably coupled to the circulating flow path tray 170, and a door protrusion 176a is protrudingly formed under the tray door 176, and the corresponding circulating flow path tray 170 is provided. A portion of the protrusion groove 176b is formed so that the tray door 176 can be precisely matched to the circulating flow path tray 170 by fitting the door protrusion 176a to the protrusion groove 176b.

In addition, a handle groove for inserting a finger may be formed in the tray door 176 so that the tray door 176 can be easily detached from the tray 170.

The circulating flow path tray 170 configured as described above has a pressure medium in the pressure space 111 in a portion where the temperature is relatively high depending on the temperature difference between the upper and lower portions of the pressure space 111 and the tray inlet hole 173 of the circulating flow path tray 170. It flows through and flows into the accommodation space 171.

Then, the pressure medium flowing into the receiving space 171 is discharged to the tray discharge portion 175 and spreads around the tray discharge portion 175, and moves back from the outside of the circulation flow path tray 170 back to the lower portion to the tray inlet hole. Since the pressure medium in the form of re-inflowing to (173) forms a circulating air flow, the temperature difference between the upper and lower parts of the pressure space 111 due to the rapid circulation of the pressure medium can be minimized.

For example, since the heater unit 150 is installed on the lower cap 130, a temperature difference between the lower portion of the pressure space 111 where the heater unit 150 is located and the upper portion where the heater unit 150 is not installed is generated. However, even if natural convection occurs, high pressure is applied to the pressure medium, and it takes a long time to mix the pressure medium located above and below the pressure space 111 as turbulence occurs without directionality due to natural convection. Molding defects may occur due to temperature differences.

However, in the embodiment, the circulating air flow of the pressure medium is formed so that the pressure medium heated by the circulating flow path tray 170 is introduced through the lower tray inlet hole 173 and discharged to the upper tray outlet 175. Therefore, the pressure medium located at the top and bottom of the pressure space 111 can be quickly mixed within a short time to minimize the temperature difference between the top and bottom of the pressure space 111.

Meanwhile, the circulation flow path tray 170 may further include a skirt portion 177.

The skirt part 177 may extend downward from the lower circumference of the circulation flow path tray 170 to accommodate the heating wire 151 of the heater part 150 installed on the lower cap 130.

The skirt portion 177 is provided with a heating wire 151 so that the pressure medium heated by the heating wire 151 can be directly introduced into the receiving space 171 through the tray inlet hole 173 before being diffused to another place. Can accommodate.

The circulation flow path tray 170 may include a cap connection portion 179.

The cap connecting portion 179 connects the circulation flow path tray 170 to the bottom surface of the upper cap 120 to move the upper cap 120 and the circulation flow path tray 170 together.

The circulation flow path tray 170 may be coupled to the lower surface of the upper cap 120 by protruding a plurality of the upper circumference, and the circulation flow path tray 170 may be coupled to the upper cap 120.
In addition, the cooling unit 140 is positioned on a portion of the upper cap 120 corresponding to the tray outlet portion 175 of the circulation flow path tray 170, so that the pressurized medium cooled by the cooling portion causes the tray outlet portion 175 to be cooled. Through it may be introduced into the receiving space (171).

1 and 2, the isostatic press device 100 capable of cooling and heating according to an embodiment of the present invention may include a medium supply 180.

The medium supply unit 180 may supply a pressure medium to the interior of the pressure space 111.

The medium supply unit 180 is formed in the circumference of the pressure vessel 110 or the lower cap 130 or the upper cap 120 to supply a pressure medium to the pressure space 111 to perform isostatic press molding.

In an embodiment, the fluid supply hole 131 for supplying the pressure medium to the lower cap 130 is formed, and the medium supply 180 is configured to supply the pressure medium to the pressure space 111 through the fluid supply hole 131. Did.

The medium supply unit 180 may include a medium supply tank 181 and a medium supply pump 183.

The medium supply tank 181 may fill the pressure medium to supply the pressure medium to the fluid supply hole 131. The medium supply pump 183 may forcibly provide the pressure medium stored in the medium supply tank 181 to the pressure space 111, and the medium supply tank 181 may pressurize hundreds of bar to thousands of bar pressure in the pressure space 111. In this way, the pressure of the pressure medium may be increased to provide the pressure space 111.

1 and 2, the isostatic press device 100 capable of cooling and heating according to an embodiment of the present invention may include an opening and closing mechanism 190.

The opening and closing mechanism 190 may move the upper cap 120 or the lower cap 130 to open or close the pressure space 111 of the pressure vessel 110.

The opening/closing mechanism 190 may be implemented as a cylinder operated by hydraulic pressure, and the upper cap 120 or the lower cap 130 is coupled to the cylinder to lift the upper cap 120 to the top of the pressure vessel 110 or , In the form of pulling the lower cap 130 to the lower portion of the pressure vessel 110, the closed pressure space 111 of the pressure vessel 110 may be opened.

Opening and closing mechanism 190, the opening and closing mechanism 190 for operating the upper cap 120 and the opening and closing mechanism 190 for operating the lower cap 130 are separately installed to separate the upper cap 120 and the lower cap 130, respectively. It can work.

In an embodiment, the circulation flow path tray 170 is coupled to the upper cap 120, and when the upper cap 120 is opened in the pressure vessel 110 by the opening/closing mechanism 190, the circulation flow path tray 170 is the pressure space 111 ), the pressure space 111 in the state of carrying out the workpiece to be carried in the receiving space 171 of the circulation flow path tray 170, or carrying the workpiece into the receiving space 171 of the circulation flow path tray 170 You can bring in the workpiece.

In the embodiment, the opening/closing mechanism 190 is implemented as a pneumatic or hydraulic cylinder, but the opening/closing mechanism 190 has various forms capable of separating or combining the upper cap 120 or the lower cap 130 from the pressure vessel 110. It can be implemented in a mechanical structure.

It will be described the effect and effect between each configuration described above.

The isostatic press device 100 capable of cooling and heating according to an embodiment of the present invention accommodates a workpiece in the accommodation space 171 through the tray door 176 of the circulation path tray 170 of the upper cap 120. By operating the opening/closing mechanism 190 in one state, the upper portion of the pressure vessel 110 is sealed by the upper cap 120 so that the workpiece can be brought into the pressure space 111 of the pressure vessel 110.

Of course, the lower cap 130 is also in a state in which the lower portion of the pressure vessel 110 is sealed.

On the other hand, when the pressure vessel 110 is closed by the upper cap 120, the medium supply unit 180 operates to force the pressure medium stored in the medium supply tank 181 by the medium supply pump 183. To supply the pressure medium to the pressure space 111.

When a pressure medium is supplied to the pressure space 111, the work piece is pressurized by the pressure medium to perform isostatic compression molding.

On the other hand, when a pressure medium is filled in the pressure space 111 to heat the workpiece while performing isotropic pressure compression molding, the heater unit 150 is operated. When the heater unit 150 is operated, the pressure space 111 As the heating wire 151 located inside the heating of the pressure medium filled in the pressure space 111, the workpiece can be isostatically compressed by high temperature and high pressure.

At this time, a thermometer capable of measuring the temperature of the pressure medium is installed in the pressure space 111 of the pressure vessel 110 to control the heater 150 by measuring the temperature of the pressure medium heated by the heater 150. It is possible to heat the workpiece while maintaining a uniform heated temperature.

In addition, when cooling of the work piece is required while performing isostatic compression molding, for example, when the temperature is lowered and cured while maintaining the pressing force on the work piece, the cooling part 140 is operated. After cooling the refrigerant to a predetermined temperature or less through the cooler 145, the refrigerant cooled by circulating the refrigerant cooled to the cooling line 141 located inside the pressure space 111 by the circulation pump 147 The cooling line 141 heats up the pressure medium in a form of exchanging heat with the pressure medium, thereby cooling the work piece in a state in which pressure is applied to the work piece by the pressure medium.

At this time, the cooling line 141 is located in the receiving space 171 of the circulation flow path tray 170 to cool the circulating pressure medium.

Uniform heating temperature in the form of controlling the heater 150 by measuring the temperature of the pressure medium cooled by the cooling unit 140 by a thermometer measuring the temperature of the pressure space 111 even when cooling the workpiece. It can maintain and cool the workpiece and perform isostatic press molding.

Of course, after heating the workpiece by operating the heater unit 150 during isostatic pressure molding, the operation of the heater unit 150 is stopped, and the cooling unit 140 is operated to lower the temperature of the pressure medium. The time required for isostatic press molding can be significantly shortened as the pressure medium is cooled quickly without the need to wait for the temperature of the medium to cool down.

On the other hand, the pressure medium supplied to the pressure space 111 during isostatic press molding is introduced into the receiving space 171 through the tray inlet hole 173 formed in the lower portion of the circulation flow path tray 170, and the receiving space 171 As the pressure medium introduced into) is discharged to the tray discharge portion 175 formed on the upper portion of the circulation flow path tray 170, the upper and lower fluids around the circulation flow path tray 170 in the pressure space 111 form a circulating air flow. When the pressure medium is heated in the heater unit 150, it is heated quickly and at the same time, the pressure medium in the pressure space 111 is minimized, thereby minimizing the temperature difference between the upper and lower sides, thereby preventing molding defects from occurring according to the non-uniform temperature.

And, when the isostatic press molding is finished, the medium supply 180 discharges the pressure medium supplied to the pressure vessel 110 back to the medium supply tank 181, and when all the pressure medium is discharged, the opening/closing mechanism 190 The upper cap 120 is separated from the pressure vessel 110 to open the pressure space 111 of the pressure vessel 110 through, and the workpiece is taken out from the receiving space 171 of the circulation flow path tray 170.

Therefore, in the isotropic pressure press device 100 capable of cooling and heating according to an embodiment of the present invention, the heater 150 and the cooling unit 140 for heating the pressure medium are located in the pressure space 111 to locate the pressure medium. Not only can cold or hot isostatic press molding be performed by rapidly heating or cooling, as well as by rapidly cooling the pressure medium heated by the heater 150 by the cooling unit 140. The time required for molding can be drastically reduced.

In addition, as the heater unit 150 and the cooling unit 140 are separated, the configuration is relatively simple and can be easily manufactured.

In addition, by forming and circulating the pressure fluid by the circulating flow path tray 170, it is possible to prevent the formation of mold defects due to the temperature difference between the upper and lower pressure spaces 111 together with rapid heat exchange. Depending on the heating and cooling can be performed quickly.

In addition, a skirt portion 177 in which the heating wire 151 of the heater unit 150 is accommodated is formed in the circulation flow path tray 170 so that the pressure medium heated by the heating wire 151 receives the space of the circulation flow path tray 170. It can be directly supplied to (171) to improve the thermal efficiency.

Although the embodiments of the present invention have been described above, the scope of rights of the present invention is not limited to this, and it is easily changed and equalized by those skilled in the art from the embodiments of the present invention. Includes all changes and modifications to the extent possible.

100: isostatic press capable of cooling and heating 110: pressure vessel
111: pressure space 120: upper cap
130: lower cap 131: fluid supply hole
140: cooling unit 141: cooling line
143: refrigerant tank 145: cooler
147: circulation pump 150: heater unit
151: heating wire 160: insulation
170: circulating flow path tray 171: accommodation space
173: tray inlet 175: tray outlet
176: Tray door 176a: Turn the door
176b: projection groove 177: skirt part
178: lock lever 179: cap connection
180: medium supply 181: medium supply tank
183: medium supply pump 190: opening and closing mechanism

Claims (7)

A pressure vessel in which a pressure medium is supplied, a work piece is brought in, and a pressure space through which a pressure medium is supplied is formed and penetrated vertically,
The lower cap sealing the lower portion of the pressure vessel,
The upper cap sealing the upper portion of the pressure vessel,
A heater unit installed in the lower cap to heat the pressure medium supplied to the pressure space in a state located within the pressure space, and
A cooling unit installed in the upper cap to cool the pressure medium supplied to the pressure space in a state located within the pressure space, and
It includes a circulating flow path tray for supporting the work in the interior of the pressure vessel, to form a circulating air flow in the pressure medium to minimize the temperature difference between the top and bottom of the pressure medium in the pressure space,
The circulating flow path tray is an accommodation space for receiving the workpiece, a plurality of tray inflow holes formed in a lower portion of the accommodation space and a pressure medium is introduced into the accommodation space, and an accommodation space formed in an upper center of the accommodation space It includes a tray outlet for discharging the pressure medium introduced into,
The cooling unit is located in a portion corresponding to the tray outlet in the upper cap,
Cooling and heating, characterized in that the circulation flow path tray includes a skirt portion extending downwardly from the lower periphery of the circulation flow path tray to receive the heater portion so that the pressure medium heated by the tray inlet hole is directly introduced to form a circulation air flow. Isostatic press device capable of this. delete delete According to claim 1,
The pressure vessel, the lower cap, and the upper cap
An isostatic press device capable of cooling and heating, comprising an insulating material insulated from the outside. According to claim 1,
The cooling unit
Cooling line is installed in the lower cap or the upper cap is located in the pressure space, the refrigerant is supplied by cooling the heat exchange with the pressure medium,
A cooler for cooling the refrigerant, and
And an circulating pump forcibly circulating the refrigerant cooled in the cooler through the cooling line. According to claim 1,
The heater unit
An isostatic press device capable of cooling and heating, characterized in that it comprises a heating wire installed in the lower cap or the upper cap and located in the pressure space and heated by electricity. According to claim 1,
An isostatic press device capable of cooling and heating, comprising: an opening/closing mechanism for opening and closing the upper portion of the pressure vessel by moving the upper cap from the upper pressure vessel.

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