CN213733580U

CN213733580U - Electrode extraction device for hot isostatic pressing machine

Info

Publication number: CN213733580U
Application number: CN202022336738.9U
Authority: CN
Inventors: 王永超; 赵泽良
Original assignee: Henan Oriental Materials Co ltd
Current assignee: Henan Oriental Materials Co ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-07-20
Anticipated expiration: 2030-10-20

Abstract

The utility model discloses an electrode extraction device for hot isostatic pressing machine, including drawing forth the case, the lateral wall of drawing forth the case is equipped with the electrode body, the lateral wall fixedly connected with cooler bin of drawing forth the case, the lateral wall sealing connection of cooler bin has circulating pipe and trades liquid mechanism, the last cooling cycle mechanism that is equipped with of circulating pipe, the lateral wall fixedly connected with horizontal pole of drawing forth the case, the lateral wall of electrode is equipped with first seal ring, the lateral wall fixedly connected with thread groove of drawing forth the case, the lateral wall of drawing forth the case is equipped with second seal ring. The utility model discloses a cooperation of devices such as cooler bin, circulating pipe dispels the heat and cools down to extraction element, guarantees that extraction element can keep safe operating temperature at the during operation, simultaneously, adopts the cooperation between devices such as first seal ring, second seal ring, thread groove threaded rod, is convenient for dismantle the change of extraction box and electrode body, through the cooperation of a plurality of seal rings, increases extraction element's leakproofness.

Description

Electrode extraction device for hot isostatic pressing machine

Technical Field

The utility model relates to an electrode extraction technical field especially relates to an electrode extraction device for hot isostatic pressing machine.

Background

The Hot Isostatic Pressing (HIP) process is a powder metallurgy process which is characterized in that a product is placed in a closed container, the same pressure in all directions is applied to the product, high temperature is applied at the same time, the product is sintered and densified under the action of high temperature and high pressure, the Hot isostatic pressing is an indispensable means for producing high-performance materials and developing new materials, a Hot isostatic pressing machine can be used for directly forming powder by raw materials, the powder is filled in a sheath (similar to the action of a mold), the sheath can be made of metal or ceramic (low-carbon steel, Ni, Mo, glass and the like), and then nitrogen and argon are used as pressurizing media to directly heat, pressurize and sinter and form the powder; or a molded casting; comprises an aluminum alloy; a titanium alloy; the castings with the shrinkage porosity such as high-temperature alloy and the like are subjected to hot isostatic pressing treatment, so that the castings can achieve 100% densification, and the overall mechanical property of the castings is improved.

But at present because it is very difficult to set up the electrode extraction on hot isostatic pressing machine high temperature high pressure, insulating material both should bear superhigh pressure 200MPa, should bear 110 ℃ of temperature again, and extraction device among the prior art only adopts a seal ring to seal, and sealed effect is poor, and only adopts simple water-cooling component to cool down to high temperature, and the cooling effect is unsatisfactory, and moreover, is difficult to change after the extraction device damages, leads to other subassemblies of hot isostatic pressing machine to damage easily.

To this end, we propose an electrode lead-out arrangement for a hot isostatic press to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the extraction device of hot isostatic pressing machine among the prior art is poor in high temperature and high pressure resistant effect and the inconvenient other subassemblies of hot isostatic pressing machine that lead to of extraction device change damage easily, and the electrode extraction device for hot isostatic pressing machine who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an electrode extraction device for hot isostatic pressing machine, includes the draw-out box, the lateral wall of drawing-out box is equipped with the electrode body, the lateral wall fixedly connected with cooler bin of drawing-out box, the lateral wall sealing connection of cooler bin has circulating pipe and trades liquid mechanism, the last cooling cycle mechanism that is equipped with of circulating pipe, the lateral wall fixedly connected with horizontal pole of drawing-out box, the lateral wall of electrode is equipped with first seal ring, the lateral wall fixedly connected with thread groove of drawing-out box, the lateral wall of drawing-out box is equipped with second seal ring, the inner wall of thread groove is equipped with the threaded rod rather than matching.

Preferably, the liquid changing mechanism comprises a liquid changing pipe hermetically connected with the side wall of the cooling box, the liquid changing pipe penetrates through the side wall of the drawing box and is hermetically arranged, and a liquid changing two-way valve is arranged on the liquid changing pipe in the drawing box.

Preferably, the cooling circulation mechanism comprises a liquid pump fixedly connected with one end of the cross rod far away from the lead-out box, the circulating water pipe is connected with the liquid pump through a sealing pipe, cooling liquid is arranged in the cooling box, and a cooler is arranged on the circulating water pipe.

Preferably, the part of the circulating water pipe and the part of the cooling box, which are connected in a sealing manner, are fixedly connected with a sealing ring.

Preferably, the first sealing washer and the second sealing washer are both high-temperature-resistant and high-pressure-resistant sealing washers, and the first sealing washer and the second sealing washer are made of polytetrafluoroethylene materials.

Preferably, the material of circulating pipe is high temperature resistant glass, and circulating pipe is specifically a special glass that can bear 2000 degrees.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the cooling liquid in the cooling box is pumped into the circulating water pipe through the liquid pump, then is cooled through the cooler, enters the cooling box through the circulating water pipe, and is cooled around the leading-out device, and the circulating water pipe is made of special glass capable of bearing high temperature, so that the cooling effect of the circulating water pipe is improved, the sealing property of the circulating water pipe is improved, the cooling liquid in the circulating water pipe is protected from flowing into the leading-out box, and the cooling effect is ensured;

2. set up first seal ring and draw forth the lateral wall of case and set up second seal ring through the lateral wall at the electrode body, utilize and be provided with the thread groove between first seal ring and second seal ring and rather than the threaded rod that matches, fix first seal ring and second seal ring, through mutually supporting between two seal rings and the threaded rod, make and draw forth not only good leakproofness between case and the electrode body, and be convenient for change the eduction gear of damage, reduce the damage probability to other subassemblies when the workman changes the eduction gear, and simultaneously, reduce workman's change operating time, improve workman's work efficiency.

Drawings

Fig. 1 is a schematic structural diagram of an electrode lead-out apparatus for a hot isostatic press according to the present invention;

fig. 2 is a schematic structural diagram at a in fig. 1.

In the figure: the device comprises a 1 leading-out box, a 2 electrode body, a 3 cooling box, a 4 circulating water pipe, a 5 cross rod, a 6 first sealing washer, a 7 second sealing washer, an 8 thread groove, a 9 threaded rod, a 10 liquid changing pipe, a 11 liquid changing two-way valve, a 12 liquid drawing pump, a 13 cooling liquid, a 14 cooler and a 15 sealing washer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, an electrode leading-out device for a hot isostatic pressing machine comprises a leading-out box 1, an electrode body 2 is arranged on the side wall of the leading-out box 1, a cooling box 3 is fixedly connected to the side wall of the leading-out box 1, a circulating water pipe 4 and a liquid changing mechanism are hermetically connected to the side wall of the cooling box 3, the circulating water pipe 4 is made of high-temperature-resistant glass, the circulating water pipe 4 is made of special glass capable of bearing 2000 degrees, sealing rings 15 are fixedly connected to the portions where the circulating water pipe 4 and the cooling box 3 are hermetically connected, the liquid changing mechanism comprises a liquid changing pipe 10 hermetically connected with the side wall of the cooling box 3, the liquid changing pipe 10 penetrates through the side wall of the leading-out box 1 and is hermetically arranged, a liquid changing two-way valve 11 is arranged on the liquid changing pipe 10 in the leading-out box 1, when the cooling liquid 13 needs to be changed through the liquid changing two-way valve 11, the liquid outlet valve is opened, the cooling liquid 13 is pumped out by a water pumping device, after the cooling liquid 13 is completely pumped out, a liquid inlet valve is opened, new cooling liquid 13 is pumped into the cooling box 3 through a pumping device, the pumping device and the pumping device are mature technologies in the prior art and are not described herein too much, a cooling circulation mechanism is arranged on the circulating water pipe 4, the cooling circulation mechanism comprises a pumping pump 12 fixedly connected with one end of a cross rod 5 far away from the lead-out box 1, the circulating water pipe 4 is connected with the pumping pump 12 through a sealing pipe, the cooling liquid 13 is arranged in the cooling box 3, a cooler 14 is arranged on the circulating water pipe 4, the cross rod 5 is fixedly connected with the side wall of the lead-out box 1, the cooling liquid 13 in the cooling box 3 is pumped into the circulating water pipe 4 through the pumping pump 12, the cooling liquid 13 is cooled through the cooler 14 and then enters the cooling box 3 through the circulating water pipe 4, the surrounding of the lead-out device is cooled, and the circulating water pipe 4 is set to be special glass capable of bearing high temperature, not only the cooling effect of the circulating water pipe 4 is improved, but also the sealing performance of the circulating water pipe 4 can be improved, the cooling liquid 13 in the circulating water pipe 4 is protected from flowing into the lead-out box 1, the cooling effect is ensured, the side wall of the electrode is provided with a first sealing gasket 6, the side wall of the lead-out box 1 is fixedly connected with a thread groove 8, the side wall of the lead-out box 1 is provided with a second sealing gasket 7, the first sealing gasket 6 and the second sealing gasket 7 are both high-temperature and high-pressure resistant sealing gaskets, the specific material of the first sealing gasket 6 and the second sealing gasket 7 is polytetrafluoroethylene, the inner wall of the thread groove 8 is provided with a threaded rod 9 matched with the threaded rod, the first sealing gasket 6 is arranged on the side wall of the electrode body 2, the second sealing gasket 7 is arranged on the side wall of the lead-out box 1, the thread groove 8 and the threaded rod 9 matched with the first sealing gasket 6 and the second sealing gasket 7 are arranged between the first sealing gasket 6 and the second sealing gasket 7, fix first seal ring 6 and second seal ring 7 fixedly, through mutually supporting between two seal rings and threaded rod 9 for not only have good leakproofness between draw-out box 1 and the electrode body 2, be convenient for change the eduction gear of damage moreover, reduce the damage probability to other subassemblies when the workman changes the eduction gear, simultaneously, the workman of being convenient for changes the eduction gear of damage, improves workman's work efficiency.

The utility model sucks the cooling liquid 13 in the cooling box 3 into the circulating water pipe 4 through the liquid pump 12, cooling the cooling liquid 13 absorbing heat while passing through the cooler 14, introducing the cooling liquid 13 after cooling into the cooling tank 3, the electrode body 2 and the extraction device are cooled by heat dissipation, so that the extraction device can keep a safe working temperature when the hot isostatic pressing machine works, secondly, by respectively sleeving the first sealing washer 6 and the second sealing washer 7 on the electrode body 2 and the side wall of the lead-out box 1, the threaded rod 9 fixes the first sealing washer 6 and the second sealing washer 7 by rotating the threaded rod 9 and the threaded groove 8 to be in threaded connection, the two sealing washers are matched with the threaded rod 9, so that the extraction box 1 and the electrode body 2 have good sealing performance and are convenient to replace the damaged extraction device.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an electrode extraction device for hot isostatic pressing machine, includes draw-out box (1), its characterized in that, the lateral wall of drawing-out box (1) is equipped with electrode body (2), the lateral wall fixedly connected with cooler bin (3) of drawing-out box (1), the lateral wall sealing connection of cooler bin (3) has circulating pipe (4) and trades liquid mechanism, be equipped with cooling circulation mechanism on circulating pipe (4), the lateral wall fixedly connected with horizontal pole (5) of drawing-out box (1), the lateral wall of electrode is equipped with first seal ring (6), the lateral wall fixedly connected with thread groove (8) of drawing-out box (1), the lateral wall of drawing-out box (1) is equipped with second seal ring (7), the inner wall of thread groove (8) is equipped with threaded rod (9) rather than matching.

2. The electrode extraction device for hot isostatic pressing machines according to claim 1, wherein the liquid exchange mechanism comprises a liquid exchange pipe (10) hermetically connected with the side wall of the cooling box (3), the liquid exchange pipe (10) penetrates through the side wall of the extraction box (1) and is hermetically arranged, and a liquid exchange two-way valve (11) is arranged on the liquid exchange pipe (10) in the extraction box (1).

3. The electrode lead-out arrangement for hot isostatic pressing machines according to claim 1, wherein the cooling circulation mechanism comprises a liquid pump (12) fixedly connected to the end of the cross bar (5) remote from the lead-out box (1), the circulation water pipe (4) is connected to the liquid pump (12) in a sealed pipe manner, the cooling box (3) is filled with cooling liquid (13), and the circulation water pipe (4) is provided with a cooler (14).

4. The electrode lead-out arrangement for hot isostatic pressing machines according to claim 1, wherein a sealing ring (15) is fixedly connected to the portion where the circulating water pipe (4) and the cooling box (3) are sealingly connected.

5. The electrode extraction device for the hot isostatic pressing machine according to claim 1, wherein the first sealing gasket (6) and the second sealing gasket (7) are both high temperature and high pressure resistant sealing gaskets, and the first sealing gasket (6) and the second sealing gasket (7) are made of polytetrafluoroethylene.

6. The electrode lead-out device for hot isostatic pressing machines according to claim 1, wherein the material of the circulating water pipe (4) is high temperature resistant glass, and the circulating water pipe (4) is specifically special glass capable of withstanding 2000 ℃.