CN203264844U - Rare earth permanent magnet material crushing machine with protective device - Google Patents

Abstract

The utility model relates to a crushing machine, and in particular relates to a crushing machine for crushing a rare earth permanent magnet material. The crushing machine comprises a crushing funnel, a sealing piece, a protective cover, an air inlet valve, a feeding port, a feeding port cover plate, a discharging port and a connecting piece, wherein the protective cover is connected to the crushing funnel by virtue of the connecting piece; the air inlet valve and the feeding port are arranged on the protective cover; a cover plate is arranged on the feeding port; and the discharging port is formed in the lower part of the crushing funnel. According to the crushing machine, due to arrangement of the air inlet valve, the sealing piece, and a charging port cover plate and the discharging port, inert gas is introduced into the crushing machine and is sealed during crushing, the problem that the rare earth permanent magnet material is oxidized or burned due to contact with the air when crushed can be avoided and therefore the quality of the rare earth permanent magnet material is guaranteed.

Description

A rare earth permanent magnet material crusher with protection device

technical field

The utility model relates to a crushing machine, in particular to a crushing machine used for crushing rare earth permanent magnet materials. the

Background technique

In metallurgy, mining, chemical industry, cement and other industrial sectors, a large amount of raw materials and reused waste need to be processed by crushers every year. For example, in a concentrator, in order to separate the useful minerals in the ore, it is necessary to use a crusher to crush the raw ore to the particle size required by the grinding process. It is necessary to use crushing machinery to crush the raw materials to the particle size required by the next step. In coking plants, sintering plants, ceramic plants, glass industry, powder metallurgy and other departments, crushing machinery must be used to crush raw materials to the particle size required by the next step. In the production of rare earth permanent magnet materials, it is also necessary to further crush the bulk or granular rare earth permanent magnet materials for further use. the

The traditional crusher is in the form of an opening, and the crushing bucket is open. The material to be crushed is put into the opening of the crushing bucket, and falls out from the discharge port after being crushed. The crushed material is always in contact with the air during the entire crushing process. . However, when rare earth permanent magnet materials are broken, if they come into contact with air, they are very prone to oxidation or combustion, which seriously affects the quality of rare earth materials. Therefore, there is a need for a protection device to prevent the rare earth permanent magnet material from contacting with the air when it is crushed. It is best to crush it under the protection of an inert gas to prevent oxidation or combustion, which will affect the quality of the product. the

Contents of the invention

The purpose of this utility model is designed to solve the above problems. the

The technical solution adopted by the utility model to solve its technical problems is: the utility model includes a crushing bucket, a seal, a protective cover, an air inlet valve, a feeding port, a cover plate of the feeding port, a discharge port, and a connecting piece; The parts are connected to the crushing bucket, and a seal is set between the protective cover and the crushing bucket to ensure its airtightness; the protective cover is equipped with an air inlet valve and a feeding port, and the air inlet valve is used for feeding inert gas during crushing. Cover plate, the cover plate is closed when crushing, which can prevent air from entering the crusher and prevent broken materials from flying out of the crushing port to hurt people, which ensures safety and does not cause material waste; the connecting parts can be screws, rivets, or Can be directly welded. the

A discharge port can be added under the crushing bucket, which can be closed compared to the original opening to prevent air from entering. the

The utility model is provided with an air inlet valve, a sealing member, a cover plate of the feed port, and a discharge port, and the inert gas is introduced and sealed during the crushing, so as to ensure that the rare earth permanent magnet material will not be oxidized or burned when it is in contact with the air during crushing. The quality of rare earth permanent magnet materials is guaranteed. the

Description of drawings

Fig. 1 is a front view of the utility model structure;

Fig. 2 is a right view of the utility model structure;

Fig. 3 is a side view of the utility model.

In the drawings, 1-bracket, 2-outlet, 3-crushing bucket, 4-seal, 5-connector, 6-protective cover, 7-feeding port, 8-inlet valve, 9-feeding mouth cover. the

Detailed ways

Embodiments of the present utility model are described below in conjunction with accompanying drawings. the

The utility model is composed of a bracket 1, a crushing bucket 3 and a protective cover 6. The crushing bucket 3 and the protective cover 6 are installed on the bracket 1, and a seal 4 is arranged between the crushing bucket and the protective cover; The feed port 7 and the feed port cover plate 9; the discharge port 2 is set at the lower part of the crushing bucket. the

When using this utility model, first pass an inert gas, such as argon gas, through the inlet valve 8, exhaust the air inside, put in the crushed material from the feed port 7, close the cover plate 9, and implement crushing. After the crushing is completed, the crushed material Discharged from the discharge port 2, during the crushing process, due to the protection of the inert gas input by the inlet valve 8, oxidation and combustion will not occur, and the quality of the crushed rare earth permanent magnet material is high. the

The above-mentioned embodiments only express the preferred implementation of the present invention, and the descriptions thereof are more specific and detailed, but should not be construed as limiting the protection scope of the present invention. It should be noted that those skilled in the art can make several modifications, improvements and substitutions without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention should be determined by the appended claims. the

Claims (2)

1. A rare earth permanent magnet material crusher with a protective device, including a crushing bucket (3) and a protective cover (6), characterized in that the protective cover (6) is connected to the crushing bucket through a connecting piece (5) and passed through The seal (4) is sealed, the protective cover (6) is provided with the air inlet valve (8), the feed port (7) and the feed port cover (9), and the lower part of the crushing bucket (3) is provided with the discharge port (2) . 2. A shredder for rare earth permanent magnet materials with a protective device according to claim 1, characterized in that the connecting piece (5) can be a screw, a rivet, or can be directly welded.

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