CN211101607U

CN211101607U - Rare earth permanent magnet material sintering setting device

Info

Publication number: CN211101607U
Application number: CN201921926110.5U
Authority: CN
Inventors: 陈昌财; 张琴; 黄本波
Original assignee: Jiangxi Magna Technology Co ltd
Current assignee: Jiangxi Magna Technology Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-07-28
Anticipated expiration: 2029-11-08

Abstract

The utility model relates to a tombarthite processing equipment provides a tombarthite permanent magnet material sintering setting device, including water-cooling pressure vessel, internal pressure container, heating furnace, blast pipe, intake pipe, winding steel band and sensor etc.. The water-cooled pressure container is a main body mechanism of the device, is provided with a safety door, a water inlet and a water outlet, and is provided with an exhaust pipe and an air inlet pipe below; the internal pressure container is positioned in the water-cooled pressure container and comprises a container opening and a heating furnace, two sensors are arranged below the container opening, and a winding steel belt is arranged on the periphery of the internal pressure container. This device can realize that two steps of design and sintering of tombarthite permanent magnet material are accomplished in one step, what bring is not only the reduction of process, more the promotion of product quality matter: the compactness of the material property is greatly improved, and the looseness and shrinkage cavities in the material are basically eliminated. Thereby improving the material performance and reliability and prolonging the service life.

Description

Rare earth permanent magnet material sintering setting device

Technical Field

The utility model relates to a tombarthite processing treatment facility, more specifically say, relate to a tombarthite permanent magnet material's sintering setting device.

Background

In rare earth processing industry, the processing flow of rare earth mainly comprises smelting, hydrogen explosion, powder making, shaping, sintering, machining and the like. When the rare earth material enters a shaping process, the material is put into a die, is pressed and formed, and then is put into a sintering furnace for sintering and fixing.

The traditional rare earth processing process flow separates the shaping step and the sintering step, and the shaping effect and the sintering effect of the material are greatly determined by the operation proficiency of an operation technician and the degree of the worker's grasp on the factors such as temperature, time, pressure and the like.

Disclosure of Invention

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a tombarthite permanent magnet material's sintering setting device, it can realize tombarthite permanent magnet material's sintering and stereotype one step of completion, solves deformation and the inside hole problem that the uneven or not enough brought of pressure when exclusive use applied pressure stereotypes. The utility model discloses the device utilizes the pascal principle, including the real-time supervision of internal sensor data, realizes the high quality production of material.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A rare earth permanent magnet material sintering and shaping device comprises a water-cooled pressure container, an internal pressure container, a heating furnace, an exhaust pipe, an air inlet pipe, a winding steel belt, a sensor and the like. The water-cooled pressure vessel is a main body mechanism of the device, a safety door is arranged above the water-cooled pressure vessel, a water inlet and a water outlet are arranged on two sides of the water-cooled pressure vessel, and an exhaust pipe and an air inlet pipe are arranged below the water cooler; the internal pressure container is positioned in the water-cooled pressure container, a container opening is formed above the internal pressure container, two sensors are arranged below the container opening, a heating furnace is arranged below the internal pressure container, and a winding steel belt is arranged on the periphery of the internal pressure container.

Further, the water-cooling pressure container is wrapped with a layer of heat-insulating material.

Further, the height of the water inlet of the water-cooled pressure container is higher than that of the water outlet.

Further, the safety door of the water-cooled pressure vessel is organically in close contact with the opening of the inner pressure vessel.

Furthermore, a heating furnace in the internal pressure container is connected with an air inlet pipe and an exhaust pipe, two sides of the heating furnace are respectively provided with an air diffusion pipe, and a plurality of small holes are dug in the air diffusion pipes.

Further, an opening is arranged above the internal pressure container, and two sensors are arranged below the opening: temperature sensors and pressure sensors.

Further, the outer part of the inner pressure vessel is provided with a plurality of steel winding bars which tightly encircle the inner pressure vessel.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

this scheme can realize the high quality production of tombarthite permanent magnet material product, and the product degree of compactness of producing is high, and inside does not contain shrinkage cavity and loose basically, and the performance is excellent, improves the competitiveness of product in the market, and simultaneously, the reduction of novel device to production process flow can reduction in production time cost.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the internal pressure vessel mechanism of the present invention.

Detailed Description

The technical features of the present invention will be further specifically described below by way of examples with reference to fig. 1 and 2.

A rare earth permanent magnet material sintering and shaping device comprises a water-cooled pressure container 40, an internal pressure container 20, a heating furnace 32, an exhaust pipe 33, an air inlet pipe 34, a wound steel belt 25, a pressure sensor 21, a temperature sensor 22 and the like. The water-cooled pressure vessel 40 is a main body mechanism of the device, a safety door 43 is arranged above the water-cooled pressure vessel 40, a water inlet 42 and a water outlet 41 are arranged on two sides of the water-cooled pressure vessel 40, and an exhaust pipe 33 and an air inlet pipe 34 are arranged below the water cooler; the internal pressure container 20 is positioned in the water-cooled pressure container 40, a container opening 24 is arranged above the internal pressure container 20, a pressure sensor 21 and a temperature sensor 22 are arranged below the container opening 24, a heating furnace 32 is arranged below the internal pressure container 20, and a winding steel belt 25 is arranged on the periphery of the internal pressure container 20.

Further, as a preferred embodiment, the water-cooled pressure vessel 40 is a square steel frame for accommodating the internal pressure vessel 20 and protecting it. The space between the water-cooled pressure vessel 40 and the inner pressure vessel is used for storing the cooling liquid after the material is sintered and shaped.

Further, as a preferred embodiment, the water-cooled pressure vessel 40 is wrapped with a layer of thermal insulation material 44, which can isolate the internal temperature environment from the external temperature environment, so as to reduce the temperature loss.

Further, in this embodiment, it is preferable that the internal pressure container 20 is a main device for sintering and forming, and has a cylindrical shape. The winding steel belt 25 is arranged outside the inner pressure container 20, the winding steel belt 25 has the function that when the pressure is generated inside the inner pressure container 20 in the working state, the stress caused by the generated pressure is born by the winding steel belt 25, namely the stress is intensively eliminated by the winding steel belt 25, the safety of the inner pressure container 20 is ensured, and meanwhile, the steel belt winding 25 also plays the roles of explosion prevention and barrier.

Further, in the present embodiment, the wound steel strip 25 is preferably made of high-strength elastic steel, and has a long service life and long-term elastic performance.

Further, as a preferred embodiment of the present invention, the heating furnace 32 includes a combustion main chamber and an air diffusion pipe 31, and the air diffusion pipe 31 is provided with a plurality of small holes; the heating furnace 32 heats the gas in the internal pressure container 20 to a desired temperature, and the gas is guided out through the gas diffusion pipe 31 to be more uniform in temperature.

Further, as the preferred of this embodiment, pressure sensor 21 and temperature sensor 22 transmit the pressure value and the temperature value of inside to the external world in real time, let the workman master the internal conditions, guarantee production safety, guarantee product quality.

The working principle of the rare earth permanent magnet material sintering and shaping device is as follows: the safety door 43 and the opening 24 are opened, the material to be sintered and shaped is put in, and the opening 24 and the safety door 43 are closed. Starting an external compressor, vacuumizing the internal pressure container 20 through the exhaust pipe 33, and stopping air suction; then, helium gas as inert gas is filled in through an air inlet pipe, and the filling is stopped when the internal air pressure reaches the required pressure. The furnace 32 is then turned on to heat the internal atmosphere, leaving the internal pressure vessel in a high temperature and pressure environment to complete the pressing of the material. When the material pressing is finished, the internal gas is stably pumped out and the external gas is filled. Then, the cooling water is introduced through the water inlet 42 to cool the internal pressure vessel 20, and the cooling water is discharged from the water outlet 41 to continue cooling. When the temperature is reduced to a reasonable temperature, the container is opened, and the internal product is taken out.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. A rare earth permanent magnet material sintering setting device is characterized in that: the device comprises a water-cooled pressure container, an internal pressure container, a heating furnace, an exhaust pipe, an air inlet pipe, a wound steel belt, a sensor and the like; the water-cooled pressure vessel is a main body mechanism of the device, a safety door is arranged above the water-cooled pressure vessel, a water inlet and a water outlet are arranged on two sides of the water-cooled pressure vessel, and an exhaust pipe and an air inlet pipe are arranged below the water cooler; the internal pressure container is positioned in the water-cooled pressure container, a container opening is formed above the internal pressure container, two sensors are arranged below the container opening, a heating furnace is arranged below the internal pressure container, and a winding steel belt is arranged on the periphery of the internal pressure container.

2. The rare earth permanent magnet material sintering and shaping device according to claim 1, characterized in that: the water-cooling pressure container is wrapped with a layer of heat-insulating material.

3. The rare earth permanent magnet material sintering and shaping device according to claim 1, characterized in that: the height of the water inlet of the water-cooling pressure container is higher than that of the water outlet.

4. The rare earth permanent magnet material sintering and shaping device according to claim 1, characterized in that: the safety door of the water-cooled pressure vessel is in organic close contact with the opening of the inner pressure vessel.

5. The rare earth permanent magnet material sintering and shaping device according to claim 1, characterized in that: the heating furnace in the internal pressure container is connected with the air inlet pipe and the exhaust pipe, two sides of the heating furnace are respectively provided with an air diffusion pipe, and a plurality of small holes are dug in the air diffusion pipes.

6. The rare earth permanent magnet material sintering and shaping device according to claim 1, characterized in that: an opening is arranged above the internal pressure container, and two sensors are arranged below the opening: temperature sensors and pressure sensors.

7. The rare earth permanent magnet material sintering and shaping device according to claim 1, characterized in that: and a plurality of steel winding bars are arranged outside the inner pressure vessel, and the steel bars tightly hoop the inner pressure vessel.