JPS6122188A - Hot hydrostatic pressing device - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

Detailed Description of the Invention (Industrial Application Field) The present invention involves charging a pre-shaped metal powder or other material to be processed into a high-pressure container equipped with a heater, and then sealing the material into the container. The present invention relates to a hot isostatic pressing device for press forming a material to be processed, which combines ultra-high pressure raising of a fluid or gas medium and heating by a heater, and enables high efficiency in actual production equipment.

(Prior art) Preliminarily shaped metal powder or other material to be processed is charged into a high-pressure container equipped with a heater and kept in a vacuum state or an active or inert gas atmosphere, and then sealed in the container. A hot isostatic press device that pressure-forms a material to be processed into a block shape by increasing the pressure of a fluid or gas medium to an ultra-high pressure is called HIP.
It is well known as one of the ultra-high pressure press molding techniques without needing to exemplify the apparatus. As is known, the actual production equipment for such a device is mainly a high-pressure container with a sealed structure that can be partially opened and closed by a lid and is isolated from the outside world by closing the mold, and is equipped with a means for opening and closing the lid. In addition, the means for carrying in and out the material to be processed into and out of the container are merely exposed to the outside world outside the container, and a considerable amount of handling operations are required.

(Problems to be Solved by the Invention) As heaters used in high-pressure vessels in the prior art, heaters using energized heating wires made of molybdenum-based or graphite-based materials are commonly used in relatively high-temperature ranges. However, such heaters oxidize (consume) when exposed to outside air at high temperatures, so when taking out the material that has been sealed and pressure-molded in a high-pressure container from the container, it is necessary to remove the material after the high temperature and high pressure are released. It is necessary to wait until it has cooled down to some extent before taking it out, which of course increases the press cycle time and impedes productivity improvement. In addition, in the pre-HIP process, the material to be processed must be loaded into the equipment at room temperature and pressure, and then the temperature and pressure must be increased, which lengthens the press cycle and hinders productivity. be.

In addition, molybdenum-based and graphite-based heaters oxidize in the high temperature atmosphere, so there are some that require a non-oxidizing atmosphere, and others that require a special atmosphere because the object to be processed cannot be taken out at high temperatures in the air. It is also effective in the case of

(Means for Solving the Problems) The present invention has no relation to the opening/closing operation of one end of the HIP device.
When the heater is energized, the material to be treated can be inserted while the temperature is rising at a high temperature of 7'. In addition, the material to be treated can be inserted into the container immediately without having to wait for the heater oxidation prevention temperature to drop. This enables the press to be taken out to the outside, shortens the press cycle time, and greatly improves the productivity of hot isostatic pressing equipment using this type of high-pressure container. This can be achieved reliably and easily by

That is, the technical means includes a high-pressure container for hot isostatic pressing with one end open, a movable lid member for opening and closing the one open end, and a container for the material to be processed attached to the movable lid member. a main station consisting of an internal/exit member, etc.; a working chamber whose one end is open and in which the material to be processed is inserted and/or taken out; a movable lid member for opening and closing the one open end; an auxiliary station for inserting and extracting the material to be processed, which is arranged adjacent to the main station, and is composed of an attached indoor/exit member for the material to be processed; a sealed tank that is isolated and placed in a vacuum state or a necessary gas atmosphere and that surrounds each internal space in a communicating manner; a conveying member that is installed in the sealed tank and is movable across each of the spaces; and the conveying member A supporting member for the material to be treated is detachably held by the material, and a conveying device.

(Operation) According to the technical means of the present invention, FIG.
As shown in FIG. 1B) and FIG. 1C, a high-pressure container 2 with one end (lower end in the example shown) open is fixed to the upper part of the press frame 1, and the open end, that is, the material to be processed, is fixed. 5
A movable lid member 8a for freely opening and closing the opening 2a for allowing the material to enter and exit the container 2 is disposed at the lower part of the press frame 1 via an elevating device 9 so that it can be raised and lowered toward the opening 2a. A main station 31 is provided on the upper surface, which is integrally provided with an in/out member 7a for moving the material 5 into and out of the container 2, and adjacent to this main station 31, one end (lower end in the illustrated example) serves as an opening 11a. A work chamber 11 that is open and whose other end (the upper end in the illustrated example) is an opening/closing lid 10 (the opening/closing means for the lid is automatic or manual), and the opening 1
A movable lid member 8b that opens and closes 1a is attached to the lifting device 1.
By providing an auxiliary station 32 which is movable up and down toward the opening 11a by means of the auxiliary station 32 and integrally provided with an in/out member 7b for moving the material 5 into and out of the working chamber 11 on the upper surface of the movable lid member 8b. In the main station 31, the material to be processed 5 can be loaded into the container 2 at the same time as the movable lid member 8a seals the opening 2a of the high-pressure container 2 via the loading/unloading member 7a provided on the upper surface of the movable lid member 8a. Therefore, in this state, the heater 4 provided in the container 2 via the heat insulating layer 3 is heated, and furthermore, although not shown, as is known, the fluid or gas medium sealed in the container 2 is heated to an ultra-high pressure, and The material to be processed 5 can be formed by hot isostatic pressing in a vacuum state or an active or inert gas atmosphere inside the container 2 .

Furthermore, although not shown in the drawings, it is also conventional technology that a high-pressure gas generator, a vacuum device, a container cooling device, a heater energizing device, etc. are attached to the HIP device main body.

On the other hand, in the auxiliary station 32, a movable lid member 8b having an inlet/outlet member 7b for the material 5 to be processed is attached to the upper surface.
By making the opening 11a of the working chamber 11 openable and closable, the working chamber 11 can be used to carry out necessary processing operations on the material 5 to be treated before pressure forming or the material 5 to be treated after pressure forming. You can do it freely. For example, by closing the movable lid member 8b to the opening 11a, the opening/closing lid 10 of the work chamber 11 is opened and connected to the atmosphere, and the material 5 to be processed before molding is charged into the chamber and transferred to the support member 6. By placing and setting on the inlet/outlet member 7b via the opening/closing lid lO, the working chamber 11 is independently sealed and the same atmosphere as that of the sealed tank is created, and then the gauging lid member 8b is lowered, and the conveying device is used to Preparatory work is carried out to carry the material 5 to be processed to the main station 31 side, and conversely, the material 5 that has been formed and processed is placed on the in/out member 7b of the movable lid member 8b via the support member 6. In this state, the movable lid member 8b is raised to close the opening 11a, and the material to be treated 5 is
The liquid is sent into the working chamber 11, and the atmosphere which is assumed to be the same as the inside of the sealed tank is made into an atmospheric atmosphere.The open/close lid 10 is then opened to take it out to the outside world. Therefore, at the auxiliary station, loading and unloading of the material to be processed, and
5, various operations such as pre-treatment and post-treatment required before and after the molding process can be performed independently, and furthermore, they can be performed in parallel with the pressure molding operation at the main station 31.

Furthermore, the rain spaces 31a, 32a are isolated from the outside world by sealing the inner spaces 31a, 32a of the main and auxiliary stations 31, 32 from the outside world, and by fitting the sealing tanks 12a, 12b that surround them in a continuous manner into the outside. An integral space is enclosed that is isolated from the tank but communicates with each other. Therefore, by providing the gas cylinder 51 and the vacuum pump 53 in communication with either the sealed tank 128 side or the 12b side, the internal space can be closed off. 31a and 32a can be placed in the same environment as the vacuum state or active or inert gas atmosphere state in the high-pressure vessel 2. This means that the internal space 31a
, 32a, the conveying member 14 is movably provided.
The object of the present invention can be easily achieved by providing a conveying device 14 consisting of a support member 6 for a material to be processed 5 that is detachably held by the conveying member 14a. In addition, although the conveyance device is shown protruding to the outside, it may be built in the tank.

That is, in FIG. 1 (8), when the material to be processed 5 is placed on the support member 6 that is engaged with the conveying member 14a, and the support member 6 is in an overlapping state with the inlet/outlet member 7a on the movable lid member 8a. If the material 5 to be processed is before molding, the movable lid member 8a is raised to close the opening 2a of the high-pressure container 2 after disengaging the transport member 14a from the support member 6. Accordingly, the material to be treated 5 is charged into the container 2 via the support member 6 and the inlet/outlet member 7a, and hot isostatic pressing of the material to be treated 5 can be performed under predetermined processing conditions such as high pressure and high temperature. Further, if the material to be processed 5 is a finished product, after the support member 6 and the conveyance member 14a are engaged with each other, by moving the conveyance member 14a to the right in the drawing, the support member 6. The processed material 5 is transported to the auxiliary station 32 side, and when the support member 6 comes to the overlapping position with the in/out member 7b on the movable lid member Bb of the station 32, the transport member 14a is stopped and the member 14a is At the same time, by disengaging the movable lid member 8b from the support member 6 and then raising the movable lid member 8b, the movable lid member 8b closes with the opening 11a of the working chamber 11.
The support member 6 for the material to be treated 5 is sent into the working chamber 11, and only the working chamber is made into an atmospheric atmosphere while maintaining the vacuum, live, and inert gas atmosphere in the sealed tank. Therefore, the material to be treated 5
It can be taken out through the open/close lid 10 regardless of the sealed tank. In particular, even when inserting the processed material (A) into the high-pressure container, the sealed tank has an atmosphere that does not oxidize the heater, so the heater can be inserted while maintaining the high temperature. High pressure vessel 2
When taking it out from the internal space 3.1 a, 32
A can be made into the same atmosphere as the environment inside the container 2 through the sealing tank 12a, 1, 2b, so that after the molding in the container 2 is completed, there is no need to wait until the temperature of the heater drops to the oxidation prevention temperature. Immediately after finishing, move the moving lid member 8a.
Since the workpiece 5 can be taken out by lowering and opening, the cycle time can be greatly shortened. , and the conveying device 14,
Movable lid member Ha provided at each station 31, 32;
8b, the movement and lifting of the material 5 to be processed can be automated in the shortest route.Furthermore, the number of auxiliary stations 32 can be increased as needed for one main station 31, so that the material 5 to be processed can be moved and lowered in the shortest way. Including all processing and post-processing, it will be easy to shorten the press cycle, increase efficiency, and greatly improve productivity as an actual production facility.

(Example) Each specific example of the apparatus according to the technical means of the present invention will be described.

First Embodiment In the example shown in FIG. 1(A), FIG. 1(B), and FIG. 1(C), one auxiliary station 32 is used for the main station 31. station 32
is used as an insertion and removal station for the material 5 to be processed. In the main station 31, a known high-pressure container 2 having a built-in heat insulating layer 3 and a heater 4 and having an opening 2a at the lower end is installed on the top of a press frame 1 having an internal space 31a, and is designed to withstand axial force sufficiently. Press frame 1
An elevating device 9 using a movable cylinder 9a and a fixed piston rod 9b is installed at the bottom of the movable cylinder 9a, a movable lid member 8a is attached to the movable cylinder 9a, and an inlet/outlet member 7a for the material 5 to be processed is provided on the upper surface of the movable lid member 8a. The movable lid member 8
A is a part of the high-pressure container 2 that closes the opening 2a in a hermetically sealed manner, and in order to receive the molding reaction force due to ultra-high pressure, a locking portion 9c is formed in a part of the movable cylinder 9a, and the movable cylinder 9a is installed in the press frame 1. The reaction force receiver is clamp 1 of the clamp device 15.
5a is clamped to the locking portion 9c during pressure molding. Note that the press frame is not limited to that used in this embodiment, and other types can be used. The auxiliary station 32 has a cylindrical working chamber 11 with an opening/closing lid 10 attached to the upper end that can be opened and closed freely and an opening 11a at the lower end, located above the high-pressure container 2, and arranged below the lifting device 9. A lifting device 13 consisting of a cylinder 13a and a piston rod 13b is disposed, a movable lid member 8b is provided on the piston rod 13b to open and close the opening ILa, and a material to be treated 5 is disposed on the upper surface of the movable lid member 8b. An internal space 3 is provided with an inlet/outlet member 7b, and communicates with the internal space 31a of the main station 31 between the work chamber 11 and the elevating device 13.
2a is provided. This sealed tank may be a single unit.

Sealed tanks 12a and 12b that commonly surround the internal spaces 31a and 32a of the main station 31 and the auxiliary station 32 and isolate them from the outside world are integrally covered and fixed, and either the sealed tank 12a or 12b Activated and inert gases are supplied to the tank through a gas cylinder 51, a pressure reducing valve 52, and a pipe 54, thereby making it possible to create the required gas atmosphere throughout the tank.
Further, the vacuum pumps 53a and 53b can also individually create a vacuum state in the entire area inside the tank and the work chamber 11 via the conduit 55. Inside the sealed tanks 12a and 12b are 1,
As shown in FIG. 1 (8) and FIG. 1 (B), the transport section w1
A pair of conveying members 14a, 14a constituting L4 are inserted into the shaft frame so that they can move forward and backward and freely rotate over the entire length of the tank, and are covered by clamp holders 14b, 14b attached at symmetrical positions of the conveying members 14a, L4a. A support member 6 for the processing material 5 is detachably held.

One end of each of the pair of conveyance members 14a, 14a is connected to a tank 12.
a The bracket 33 is protruded outside. The bracket 33 is held on the piston rod 34a of the moving cylinder 34.
gears 35 and 35 are provided on one end side of the conveying members 14a and 14a, respectively, and are held by the piston rod 36a of the drive cylinder 36 attached to the bracket 33. By meshing the rack gears 37a, 37a of the rack rod 37 with the gear 35.35, the rack rod 37 is raised and lowered, and the gear 35
The conveying members 14a, 14a are rotated in the forward and reverse directions through the rotation of 35 degrees, so that the clamp boulders 14b, 14b can be freely engaged with and disengaged from the support member 6.

According to this embodiment, the movable lid member 8b on the auxiliary station 32 side is kept in the same vacuum state or active or inert gas atmosphere as the high pressure container 2 in the sealed tanks 12a and 12b.
is raised to close the opening 11a of the working chamber 11 to isolate the working chamber 11 from the internal space 32a, position the movable lid member 8b in the working chamber, open the opening/closing lid 10, and move the workpiece 5 to the supporting member 6. After that, the movable lid member 8b, the entrance/exit member 7b, the support member 6, and the material to be processed 5 are placed on the inlet/outlet member 7a, the opening/closing lid 10 is closed, and the inside of the work chamber 11 is made into the same atmosphere as the internal space 32a. lower it. Next, the conveying member 14a,
14a and its clamp holders 14b, 14b.
are advanced to positions corresponding to the peripheral side of the supporting member 6, and the conveying members 14a,
The clamp holders 14b, 14b are rotated through the rotation of the clamp holder 14a to engage and grip the peripheral side of the support member 6 as shown in FIG. The transport members 14a, 14a are moved to the station 31 side, and the transport members 14a, 14a are stopped at a position where the support member 6 overlaps with the entrance/exit member 7a of the movable lid member 8a, and the clamp holders 14b, 14b are rotated. ,1
4a and the support member 6, the movable lid member 8a is raised to seal the opening 2a of the high-pressure container 2, and the material to be processed 5 is transferred to the container 2 through the accompanying support member 6 of the inlet/output member 7a. hot isostatic pressing of the material 5 to be treated is obtained in a known manner. When the pressure forming is completed, the movable lid member 8a is immediately lowered, the material to be processed 5 is taken out from the container 2, and the conveying members 14a, 14a are placed in the state shown in FIG. 1(^).
The clamp holders 14b, 14b are engaged with the support member 6 again, and the workpiece 5 of the support member 6 is moved to the auxiliary station 32.
The clamp holders 14b, 14b are removed from the support member 6, and the support member 6 is sent out into the work chamber 11 through the moving lid member 8b through its inlet/output member 7b, and the movable lid member 8b is moved to the side. With the opening 11a of 8b closed, the work chamber is made into an atmospheric atmosphere, the opening/closing lid 10 is opened, the workpiece 5 is taken out, and a new workpiece 5 is placed on the support member 6, thereby starting the press cycle. repeated. That is, the press cycle can proceed fully automatically,
The loading and unloading of the high-pressure container-1 of the material to be processed can be done regardless of the heater's oxidation prevention temperature, even if the heater is in a high-temperature state with electricity on, as it is isolated from the outside air and is in a non-oxidizing state. This results in a significant improvement in performance, as well as uniform and stable operational content.

Second Embodiment In the second embodiment shown in FIG. 2 (8) and FIG. The auxiliary station 32A is used as a station for inserting the material 5 to be processed, and the auxiliary station 32B is used as a station for taking out the material 5 to be processed. This station may incorporate a cooling/preheating member, which will be described later, to serve as a dual-purpose station. The same reference numerals as in the first embodiment indicate the same members, and the differences are as follows in the insertion assisting station 32A:
A gas supply path 54 is provided in the work chamber 11^ equipped with an opening/closing lid 10a.
a, a vacuum pump 53b, and a pipe line 55, and a gas pump 5 is installed in the working chamber 11B equipped with the opening/closing lid 10b and the sealed tank 12b side of the extraction auxiliary station 32B.
1 and vacuum pumps 53a and 53c are connected to the pipe line 54, respectively.
．． 55 and an auxiliary insertion station 32
In ^, there is an access member 7b, a movable lid member 8b, and an elevating device 13.
A is provided, and the take-out auxiliary station 32B is provided with an in/out member 7c, a movable lid member 8C, and a lifting device 13B. In addition, it goes without saying that the sealed tanks 12a and 12b are included in the internal space 3 of each station 31, 32, and 32B.
1a.

32a, 32a are commonly coated, and the conveying device 1
4, as shown in FIG. 2(B), the pair of parallel conveying members 14a, 14a corresponds to each stage 31. Then, two sets of clamp holders 14b, 14b and clamp holder 14b are placed at the same pinch interval.
.

14b is provided.

In this embodiment, hot isostatic pressure is applied to the material 5 to be treated, and the material 5 to be treated is inserted and removed as follows. That is, the state shown in FIG. 2(^) is that the pressure forming of the material to be processed 5b is completed at the central main station 31,
When the movable lid member 8a is lowered and the material to be processed 5b is taken out from the high-pressure container 2 together with the loading/unloading member 7a and the supporting member 6b, during the pressure forming operation at the main station 31, the insertion auxiliary station On the 32A side, the movable lid member 8b is raised to close the opening 11a of the working chamber 11^, the opening/closing lid 10a is opened, and the access/exit member 7 is opened.
After inserting and setting a new workpiece 5a together with the support member 6a on top b, closing the opening/closing lid and making the working chamber the same atmosphere as the internal space, the workpiece 5a is supported by lowering the movable lid member 8b. The member 6a and the member 7b can be inserted into the internal space 32a as shown, and the state shown in FIG. 2(A) appears.

Therefore, from the state shown in this figure, the two sets of clamp holders 14b, 14b in the conveying members 14a, 14a are engaged with the respective supporting members 6a, 6b in the stations 32A, 31, respectively, and the conveying members 14a, 14a are moved toward the figure. Moving to the right, the pressure-formed material 5b is directly opposed to the entrance/exit member 7c of the movable lid member 8c at the auxiliary station 32B for removal via the support member 6b, and the new material 5a is moved to the main station. The moving lid member 8a of No. 31 is directly opposed to the entrance/exit member 7a via the support member 6a, and the conveying member 1
4a and 14a and clamp holder 1.
4b, 14b are removed from the supporting members 6b, 6a, respectively, and the movable lid members 8a,
3c, and at the main station 31, a new material 5a to be processed is charged into the high-pressure container 2 and subjected to hot isostatic pressing, and at the auxiliary station 32B for taking out, The finished material 5b is transferred to the work room 1.
After loading the workpiece into the workpiece 1B and making the working chamber the same atmosphere as the sealed tank, the opening/closing lid 10b is opened and the workpiece 5b is taken out. During these two operations, a new workpiece 5 is inserted into the work chamber IIA at the insertion auxiliary station 32A. In this way, Figure 2 (A
) state can be repeatedly reproduced to continuously perform insertion, pressure molding, and removal of the material to be processed 5, and since the insertion and removal positions are independent, the productivity is further improved compared to the first embodiment. Improvements can be achieved and installation and removal can be done at the same time. Since the heater can be kept energized continuously, the overall press cycle time can be significantly shortened and assembly work can be easily performed.

Third Embodiment In the third embodiment shown in FIGS. 3(^) and 3(B), three auxiliary stations 32A, 32B, and 32C are arranged adjacent to the main station 31. In addition to the insertion auxiliary station 32A and the removal auxiliary station 32B, there is a cooling auxiliary station 32C for performing a cooling process as a post-process on the material 5 to be processed after pressure molding.
Therefore, the station array is 32
The order is A, 31.32C, and 32B. The same reference numerals as in the second embodiment indicate the same members, and the main station 31
Since the insertion auxiliary station 32^ and the extraction auxiliary station 32B are the same as those in the second embodiment, the structure of the cooling auxiliary station 32C will be described. Since the workpiece 5 is held for cooling, the top of the working chamber 11C is closed and the lifting device 1 is closed.
3C is provided with a movable lid member 8d that opens and closes the lower end opening 11a of the working chamber IC and an in/out member 7d provided on the upper surface of the movable lid member 8d, and also provides forced cooling of the material 5 to be processed in the working chamber 11C. In order to do this, a cooling medium supply/discharge pipe 56 is provided in communication with the working chamber IC, so that the cooling medium can be freely supplied. Also, since the number of stations increases by one, a pair of transport members 14a in the transport device 14.

14a, as shown in FIG. 3(B), there are three sets of lamp holders 14b, 14b, which can be freely engaged and detached from the support member 6 at equal pinch intervals at the center of each station and at the same pitch intervals. , and the sealed tanks 12a, 12b' are connected to each internal space 3 of each station 32A, 31, 32C, 32B.
2a, 31a, 32a, and 32a are also commonly shielded from the outside world, and at the same time are provided so as to surround each space in a communicating manner.

The press cycle according to this embodiment differs from the press cycle in the second embodiment, the insertion-pressure forming-extraction cycle, only in that it is an insertion-pressure forming-cooling-extraction cycle, so the differences will be explained below. Describe as the center. The state shown in FIG. 3 (8) is that the pressure forming of the material to be processed 5b has been completed in the main station 31 and the movable lid member 8
When the material to be processed 5b is taken out from the container 2 by descending, the auxiliary insertion station 328 performs the following steps.
Next, the insertion of a new material 5a for pressure molding is completed, and at the cooling auxiliary station 32C,
The molded workpiece 445c that has been forcedly cooled in the working chamber 11C is taken out from the working chamber lie by the lowering of the movable lid member 8d and is at the position shown in the figure. Therefore, from this state, the three sets of clamp holders 14b, 14b on the conveying members 14a, 14a are moved to the supporting members of the materials to be processed 5a, 5b, 5c at each station 32A, 31.32C. 6a,
6b, 6c, each clamp holder 14b, 14b is engaged and gripped by each supporting member 6a, 6b, 6c through rotation of the conveying member 14a, 14a, and the conveying member 14a
, 14a to the right in the figure by l pitch, the cooled workpiece 5c is placed on the movable lid member 8c of the auxiliary removal station 32B, and the pressure-formed workpiece 5b is placed on the cooling auxiliary station 32B. Moving lid member 8d of station 32C
Above, a new workpiece 5a is moved onto the movable lid member 8a of the main station 31. Next, by raising the movable lid members 8a, 8d, and 8c of the main station 31, the cooling auxiliary station 32C, and the ejecting auxiliary station 32B, the main station 31 can press-form a new workpiece 5a, and also use the ejecting auxiliary station. At the station 32B, the material to be processed 5c that has been subjected to pressure molding and further cooling is taken out. On the other hand, at the cooling auxiliary station 32C, the movable lid member 8d rises and is sealed in the working chamber 11a, and the working chamber 1.
1c is isolated from the internal space 32a side and becomes independent, and the molded workpiece 5b is held indoors via the in/out member 7d and the support member 6C. Therefore, by continuously feeding and discharging cooling air or other cooling medium into the room through the cooling medium supply/discharge pipe 56, the material to be treated 5b can be reliably and easily cooled to the required temperature. As for the cooling method, there are a circulation method, a leaving method, etc., and either method may be used. (Detailed structure is not shown) During this time, a new workpiece 5 is inserted at the insertion auxiliary station 328, so that the state shown in FIG. 3(A) is reproduced again.

According to this embodiment, not only hot isostatic pressing of the material 5 to be processed, but also cooling work of the material to be processed, which is required after the process depending on the material characteristics of the material to be processed, is incorporated into the press cycle. It is now possible to complete the high pressure vessel 2
Separate cooling equipment outside is not required, and this series of cycles can proceed with high efficiency, which further improves productivity. Due to cooling, stable and uniform quality can be maintained, and all equipment including cooling is compactly constructed.

Fourth Embodiment In the fourth embodiment shown in FIGS. 4(^) and 4(B), three auxiliary stations 32 are provided for the main station 31.
A, 32B, and 32D are arranged adjacently, and in addition to the insertion auxiliary station 328 and the extraction auxiliary station 32B, the processing material 5 before pressure molding is However, a preheating auxiliary station 32D is added to perform preheating treatment as a pretreatment, so the station arrangement is 328.

320.31.32B. The same reference numerals as in the third embodiment indicate the same members, and the main station 31 and the auxiliary insertion station 32A and the auxiliary extraction station 32B are the same as in the third embodiment, so the structure of the auxiliary preheating station 32I) is In other words, since the working chamber 11D in this station is for preheating the material 5 to be processed before pressure molding, the top of the working chamber 110 is closed and there is a heat insulating Fi''3 inside.
A preheating heater 4a is built in via a, which is connected to the heat insulating layer 3 heater 4 in the high pressure vessel 2' of the main station 31.
It is of the same type, and includes a movable lid member 8e and an inlet/outlet member 7e provided on the upper surface of the movable lid member 8e to open and close the lower end entrance 11a of the working chamber 111 by the lifting device 13'o. The rest is the same as the third embodiment.

According to this embodiment, the press cycle is different from the press cycle of the third embodiment, which is an insertion-pressure forming-cooling-removal cycle, to an insertion-child heating, press-forming, and ejection cycle. Since they are different, the explanation will focus on the differences. In the state shown in FIG. 4 (8), when the pressure forming of the material 5c to be processed is completed in the main station 31 and the movable lid member 8a is lowered to take out the material 5c to be processed from the container 2, the state shown in FIG. In the auxiliary stage gin 32'A, a new material to be processed 5a to be press-formed next.
The insertion work has been completed, and the preheating auxiliary station 32D (
In the case where there is an energizing device (not shown), the workpiece 5b to be press-molded next after completing preheating in the working chamber 110 is moved to the working chamber 11 by the lowering of the movable lid member 8e.
It is taken out from D and is in the position shown. Therefore, from this state, the three sets of clamps 14b, 14b on the conveying members 14a, 14a are moved to the respective stations 32A, 32D, 31.
゛Supporting members 6a, '6 for treated materials 5a, 5b, 5c
b, 6c, and the respective clamp holders 14b, 14b are engaged and gripped by the respective supporting members 6a, 6b, 6c through the rotation of the conveying members 14a, 14a, and the conveying member 14
By moving a and 14a one pitch to the right in the figure, the pressure-formed workpiece 5c is placed on the movable lid member 8c of the removal auxiliary station 32B, and the workpiece that has been preheated is placed on the workpiece 5c. 5b is a workpiece 5 to be pressure-molded on the movable lid member 8a of the main station 31.
a are respectively sent onto the movable lid member 8e of the preheating auxiliary station 32D.

Next, each movable lid member 8 of the preheating auxiliary station 32D, the main station 31, and the removal auxiliary station 32B
By raising e, 8a, and 8'c, the preheated workpiece 5b can be press-formed at the main station 31, and the press-formed workpiece 5c can be press-formed at the take-out auxiliary stage 32B. Removal is performed via the work chamber 11B. Preheating station 32D
, the movable lid member 8e rises to open the work chamber 11.
The opening 11a of 0 is sealed, and the working chamber LID is the internal space 3.
The required preheating of the material to be processed 5a is performed via the preheating heater 4a, which is isolated from the side of the heater 2a and is independent from the heater 2a. In this case as well, since the atmosphere is protected as a preheater, even those that promote oxidation at high temperatures can be used. During this time, a new workpiece 5 is inserted at the insertion auxiliary station 32A. Therefore, after completion of pressure forming at the main station 31, completion of preheating at the auxiliary preheating station 3'2D, and completion of the insertion operation at the auxiliary insertion station 328, each movable lid member 8a, 8b, 8e is lowered. The state shown in FIG. 4(A) is reproduced.

According to this embodiment, it is possible not only to perform hot isostatic pressing on the material 5 to be processed, but also to incorporate and complete the preheating work of the material to be processed, which is required in advance, during the press cycle. This eliminates the need for separate preheating equipment outside the high-pressure vessel, and allows this series of cycles to proceed with high efficiency, further improving productivity.Moreover, the preheating is performed in the same environment as the environment inside the high-pressure vessel. Since the heating is carried out and the movement is also carried out in a sealed tank, efficient, uniform and stable preheating can be obtained, the heating time in the high pressure vessel 2 can be shortened, and the entire apparatus including the preheating can be constructed compactly. be.

Fifth Embodiment In the fifth embodiment shown in FIG. 5(8) and FIG. 5(B),
4 auxiliary stations 3 for the main station 31
2A, 32B, 32C, and 32D are arranged adjacently, and the cooling auxiliary station 32C in the third embodiment and the preheating auxiliary station 32D in the fourth embodiment are serially incorporated into the press cycle. The arrangement of each station is the insertion auxiliary station 32^
, preheating auxiliary station 32D, main station 31
, the cooling auxiliary station 32C1 and the extraction auxiliary station 32B.

The same reference numerals as in the previous embodiments indicate the same lower members, and the stations 31, 32A, 32B, 32. Since the structures of C and 32D are completely the same, their explanation will be omitted. Needless to say, all the stations, including the voice-sealing tanks 12a and 12b, are commonly isolated from the outside world, and each internal space is covered in a communicating manner, and the conveying member 14. a, the support member 6 for the material to be treated 5 in 14a (and the removable lamp holder 14b,
There are four groups of group 14b as shown in FIG. 5(B).

According to this embodiment, the press cycle is an insertion-heating-pressing-cooling-extraction cycle. Already the third
In the fourth embodiment, the operations at the preheating and cooling stations are clear, so only the essential parts of the series of cycles will be illustrated in FIG. 5 (8). When the pressure forming of the material 5c is completed and it is taken out from the container 2 and lowered to the position shown in the figure, at the cooling section auxiliary station 32C,
The cooling process for the workpiece 5d, which was pressure-formed before the workpiece 5C, has been completed, and the preheating auxiliary station 32D has completed the preheating process for the workpiece 5b to be pressure-formed next. At the auxiliary station 32^, the work of inserting the next processed material 5a to be molded is completed. Therefore, in this state, the four sets of clamp holders 14b, 14b in the conveying members 14a, 14a are connected to the supporting members 6a, 6b of the respective treated materials 5a, 5b, 5c, 5d.
, 6c, and 6d, respectively, and the conveying member 14.
If the material is moved one pitch to the right in the figure by a and 14a, the cooled workpiece 5d is moved to the auxiliary station for taking out 32B, the pressure-formed workpiece 5c is moved to the auxiliary cooling station 32C, and then The workpiece 5b that has been preheated for pressure molding is transported to the main station 31, and the workpiece 5a that has been newly inserted for the next pressure molding is transported to the preheating auxiliary station 32D. Taking out the cooled processing material 5d at the station 32B,
Pressure-molded processed material 5c at station 32C
Cooling of the preheated workpiece 5 at station 31
Insertion, preheating, pressure forming, and cooling are performed so that the pressure forming of step b, preheating of the newly inserted workpiece 5a at station 32D, and insertion of the new workpiece 5 at station 32^ are performed. - The series of press cycles of ejection are repeated fully automatically.

According to this embodiment, the hot isostatic pressing operation for the material 5 to be treated can be performed using the necessary insertion, preheating, and
In addition, the main point is that the entire series of operations, including the cooling and removal required after pressure forming, can be carried out immediately after pressure forming in the high pressure container 2, and the pressure formed processed material 5 can be immediately discharged from the container. As a result, it can be carried out fully automatically with extremely high efficiency, eliminating dead time and loss time, and the movement of the material 5 to be treated in the entire process is carried out in sealed tanks 12a and 12b.
Since the processing is carried out within a uniform and stable environment, not only can improved productivity and quality be expected, but also a compact configuration of the apparatus is easily possible.

In each of the embodiments described above, the openings 2a and 11a of the high-pressure vessel 2 and the working chamber 11 at each station are both at the lower end, but this is done by turning the openings 2a and 11a upside down.
It is equally effective to use it upside down, with a and lla as the upper ends.Furthermore, in the example it is vertical, but it may also be horizontal.In the example, it is arranged in series, but it can be arranged in a circular loop. But that's fine.

In addition, pre-treatment and post-treatment to be performed on the material 5 before pressure forming or after pressure forming are preheating,
In addition to cooling, it is also possible to install a plurality of the same auxiliary stations in series for preheating and cooling, and perform processing operations in stages.

(Effects of the Invention) According to the present invention, it is an excellent hot isostatic pressurizing apparatus using a conventional high-pressure vessel of this kind, as it enables industrial mass production for the first time. FIGS. 7 and 6 are graphs showing the required work time according to the prior art and the technical means of the present invention, respectively. FIG. 7 shows the case according to the prior art, and the vertical axis represents pressure and temperature. The horizontal axis shows time, the solid line shows the pressure curve, and the dotted line shows the temperature curve. It takes about 3 hours to mold the product under pressure and temperature, and it takes about 1 hour to hold it under pressure and temperature. Approximately lθ hours are required to lower the temperature to the prevention temperature (approximately 300°C), and after this time the pressure-molded product is removed from the container 2, productivity is extremely low and the same container is occupied. It takes a long time and cannot be used repeatedly in a short period of time.

On the other hand, according to the present invention, FIG. 6 Ia shows the heater OFF after processing in the first embodiment, Ib shows the heater still ON, and FIG. Heater after treatment
ppnb is the one with the heater ON, Figure 6 ■ is the 4th one,
Those according to the fifth embodiment are shown respectively, Ia, Ib, ■
a,Ilb,
In the first embodiment, even if it takes about 3 hours to initially raise the temperature in the high-pressure container 2 and about 1 hour to maintain the pressure molding, when the heater is off, the pressure molded product can be taken out of the container. Immediate removal is possible only by lowering the pressure, so the time is shortened to about one hour, and the time required for inserting and removing the material to be processed is two hours because one auxiliary station is used for both purposes. Although it depends on the physical properties of the product to be processed, if rapid temperature rise is acceptable, the temperature and pressure rise time is approximately IHr when the Ib heater is connected to 0Nil.
It is shortened to . In the second to fifth embodiments, dedicated auxiliary stations are used, so the insertion of the material to be processed,
The time required for extraction is shortened to approximately 0.5 hours, and from the second time onward, the temperature and pressure in the high-pressure container 2 are raised by the heater Off'.
At F, the time is shortened to about 2 hours depending on the residual temperature, and when the heater is kept on, it is shortened to about IHr. On the other hand, in case (2), since the material to be treated is preheated, the pressurization time is only about 0.5 Hr. Best of all, taking out the pressure-formed processed material 5 from the high-pressure container 2 does not require the conventional waiting time, making it possible to proceed with a highly efficient press cycle and to repeatedly use the high-pressure container 2 for a short period of time. It is clear that productivity can be greatly improved.

This effect can be obtained by shielding the internal space of each station from the outside world with a common sealed tank and creating the same environmental atmosphere as the inside of the high-pressure vessel 2. At the same time, this also means that the material to be processed 5 is Since the process can be carried and processed by the process, there is no risk of deterioration or damage to the material to be processed, and it is effective in maintaining stable and reliable quality. Furthermore, since the working chamber of the auxiliary station can freely communicate with the inside of the tank and is isolated by a movable lid, it is easy to perform the necessary pre-treatment and post-treatment independently in an environment suitable for that purpose. This can be said to be an advantage.

In addition, compared to conventional technology, the loading and unloading means are exposed to the outside world near the high-pressure container, and the cooling and preheating equipment is located far away, resulting in an uneven system that involves many handling operations. However, due to the arrangement of the main and auxiliary stations adjacent to each other at the shortest distance, the internal space covered by a sealed tank, and the central arrangement of the drive means, the device of the present invention has an extremely compact configuration, and the hot static This is a great advantage as it makes it possible to industrially mass-produce hydraulic pressurized products.

[Brief explanation of drawings]

FIG. 1(^) is a longitudinal sectional front view of the first embodiment of the present invention apparatus, FIG. 1(B) is a lateral plan view of the main conveyance part, FIG. 8) is a longitudinal sectional front view of the second embodiment;
Figure 2 (B) is a cross-sectional plan view of the main part of the conveyance, Figure 3 (A)
is a vertical sectional front view of the third embodiment, FIG. 3(B) is a cross-sectional plan view of the main conveyance part, FIG. 4(A) is a vertical sectional front view of the fourth embodiment, and FIG. 4(B) is the same. FIG. 5 (8) is a longitudinal sectional front view of the fifth embodiment, FIG. 5 (B) is a cross-sectional plan view of the main transport section, and FIG. 6 (Ia) (Ib) is a cross-sectional plan view of the main transport section. An explanatory diagram of the operation of the first embodiment of the present invention, FIG. 6 (I[a)
(]Ib) is an explanatory diagram of the operation of the second and third embodiments of the present invention, FIG. 6 (I[I) is an explanatory diagram of the operation of the fourth and fifth embodiments of the present invention, and FIG. 7 is an explanatory diagram of the conventional example. FIG. 1-Press frame, 2--High pressure container, 3--Insulating layer, 4-Heater, 5--Working material, 6-Supporting member, 7-Input/exit member, 8--Moving lid member, 'It, 13-lifting device, 10-opening/closing lid, 11-working chamber, 12-sealed tank, 14-transporting device, 14a...-transporting member, 31--main station, 32A, 32B, 32C, 32D,,
- One auxiliary station, 31a, 32a--Inner space, 2a, lla--Opening.

Claims (1)

[Scope of Claims] 1. A high-pressure container for hot isostatic pressure molding that can be opened at least functionally at one end, a movable lid member for opening and closing the open end, and the movable lid member. a main station consisting of a member attached to the container for the material to be processed to be taken in and out of the container;
Alternatively, the work chamber is arranged adjacent to the main station, and includes a work chamber for taking out, a movable lid member for opening and closing the open end, and a member attached to the movable lid member for allowing the material to be processed into the room. an auxiliary station for inserting and extracting materials to be processed; a sealed tank that commonly isolates the internal spaces of the main and auxiliary stations from the outside world, provides a vacuum state or a necessary gas atmosphere, and surrounds each internal space in a continuous manner; and; a conveyance device comprising a conveyance member installed in the sealed tank and movable across the spaces, and a support member for the material to be treated that is detachably held by the conveyance member. A hot isostatic pressurizing device. 2. A high-pressure container for hot isostatic pressing that can be opened at least functionally at one end, a movable lid member for opening and closing the one open end, and a material to be processed attached to the movable lid member. a main station consisting of a member for entering and exiting the container, etc.; each working chamber, each of which is open at one end and in which the material to be processed is inserted or removed; a movable lid member for opening and closing each of the open ends; an auxiliary station for inserting and taking out the material to be processed, which is located adjacent to the main station and is made up of an indoor/outlet member for the material to be processed that is attached to the lid member; It consists of a work chamber for preheating, a movable lid member for opening and closing one of the open ends, and a member attached to the movable lid member for loading and unloading the processed material, and is adjacent to the main station and the auxiliary station for insertion and removal. an auxiliary station for cooling or preheating the material to be processed, which is located at a conveying device comprising: a sealed tank surrounded by a shape; a conveying member installed in the sealed tank and movable across the spaces; and a support member for a material to be treated that is detachably held by the conveying member; A hot isostatic pressurizing device comprising: 3. A high-pressure container for hot isostatic pressing that can be opened at least functionally at one end, a movable lid member for opening and closing the one open end, and a material to be processed attached to the movable lid member. a main station consisting of a member for entering and exiting the container, etc.; each working chamber, each of which is open at one end and in which the material to be processed is inserted or removed; a movable lid member for opening and closing each of the open ends; an auxiliary station for inserting and extracting the material to be processed, which is arranged adjacent to the main station, and consists of a member for entering and exiting the material to be processed into the room attached to the lid member; It consists of each working chamber for cooling and preheating, each movable lid member for opening and closing one end of each of the openings, and an inlet/outlet member attached to each of the movable lid members for handling materials, etc., and includes the main station and the insertion, cooling and preheating auxiliary stations located adjacent to the extraction auxiliary station; A sealed tank that surrounds a space in a continuous manner; a conveyance member that is installed in the sealed tank and is movable throughout each of the spaces; and a support member for the material to be treated that is detachably held by the conveyance member. 1. A hot isostatic pressurizing device comprising: a conveying device;