CN210320972U

CN210320972U - Powder drying device for neodymium iron boron magnet

Info

Publication number: CN210320972U
Application number: CN201920609177.XU
Authority: CN
Inventors: 丰光耀; 罗泽宇; 杨雪鹏
Original assignee: Ganzhou Great Magnet Technology Co ltd
Current assignee: Ganzhou Great Magnet Technology Co ltd
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-04-14
Anticipated expiration: 2029-04-30

Abstract

A powder drying device for neodymium iron boron magnet comprises a drying box, a top plate and a bottom plate, wherein the top end of the drying box is fixedly connected with the top plate, the left side of the upper end of the top plate is connected with a feed hopper, the middle part of the top plate is provided with an L-shaped connecting pipe, the right side of the upper end of the L-shaped connecting pipe is connected with an air inlet pipe, the lower end of the L-shaped connecting pipe is connected with a first connecting pipe, the upper end of the first connecting pipe is rotatably connected with the L-shaped connecting pipe through a bearing, the middle part of the inner side of the drying box is provided with a rotating shaft, the rotating shaft is of an internal hollow structure, the upper end of the rotating shaft is communicated with the first connecting pipe, the side wall of the rotating shaft is connected with a plurality of stirring rods, and the stirring rods are of internal hollow structures. And meanwhile, materials can be prevented from being adhered to the inner side wall.

Description

Powder drying device for neodymium iron boron magnet

Technical Field

The utility model relates to a drying device, especially a powder drying device for neodymium iron boron magnetism body.

Background

Neodymium magnets, also known as neodymium-iron-boron magnets, are tetragonal crystals formed from neodymium, iron, and boron, and such magnets have a magnetic energy product greater than that of samarium-cobalt magnets, and magnets are now the second most commonly used permanent magnets, and also the most commonly used rare-earth magnets, whose magnetic properties are inferior to those of absolute zero-degree holmium magnets. Neodymium iron boron magnets are widely used in electronic products such as hard disks, mobile phones, earphones, and battery powered tools.

Neodymium iron boron magnetism iron needs stir its raw materials powder at the in-process of production and processing, and modern mixing stirring device stirring efficiency is lower, and ejection of compact speed is slow, and the material is piled up in agitating unit's bottom easily, and neodymium iron boron magnetism iron boron after wetting easily takes place the oxidation in addition to make product quality descend.

Therefore, in view of the problems in the background art, a novel neodymium iron boron magnet powder mixing and drying device is proposed by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a make the material carry out dry powder drying device for neodymium iron boron magnet fast.

In order to achieve the above object, the utility model provides a following technical scheme: a powder drying device for a neodymium iron boron magnet comprises a drying box, a top plate and a bottom plate, wherein the top end of the drying box is fixedly connected with the top plate, the left side of the upper end of the top plate is connected with a feed hopper, an L-shaped connecting pipe is arranged in the middle of the top plate, and the right side of the upper end of the L-shaped connecting pipe is connected with an air inlet pipe; the lower end of the L-shaped connecting pipe is connected with a first connecting pipe, and the upper end of the first connecting pipe is rotatably connected with the L-shaped connecting pipe through a bearing; the middle part of the inner side of the drying box is provided with a rotating shaft, the rotating shaft is of a hollow structure, and the upper end of the rotating shaft is communicated with the first connecting pipe; the side wall of the rotating shaft is connected with a plurality of stirring rods, the stirring rods are of hollow structures, and the stirring rods are communicated with the inside of the rotating shaft; the lower end of the rotating shaft penetrates through the drying box and is fixedly connected with a driven belt wheel, a driving belt wheel is arranged on the right side of the driven belt wheel, the driven belt wheel is connected with the driving belt wheel through a belt, and the lower end of the driving belt wheel is connected with an output shaft of a rotating motor; the inner side of the bottom surface of the drying box is fixedly connected with a conical body, and the two sides of the conical body are connected with a discharging pipe at the lower end of the drying box; the lower extreme of drying cabinet is provided with the bottom plate, the left and right sides fixedly connected with support column of bottom plate, the upper end fixedly connected with supporting shoe of support column, the lateral wall fixed connection of supporting shoe and drying cabinet.

As a further aspect of the present invention: the air inlet pipe is fixedly connected with a sealing gasket at the joint of the L-shaped connecting pipe, the air inlet pipe is connected with a fan and a heating box, and an electric heating net is fixedly connected in the heating box.

As a further aspect of the present invention: a plurality of through holes are evenly formed in the side wall of the stirring rod, and a steel wire fine net is fixedly connected to the through holes.

As a further aspect of the present invention: fixedly connected with second connecting pipe on the lateral wall of axis of rotation, sliding connection has the slide bar in the second connecting pipe, fixedly connected with spring between slide bar and the second connecting pipe, and the one end fixedly connected with scraper blade that the slide bar is close to the drying cabinet lateral wall, and the scraper blade is the arc structure, and the scraper blade is close to the inside wall setting of drying cabinet.

As a further aspect of the present invention: the conical body is rotatably connected with the rotating shaft.

As a further aspect of the present invention: and a valve is arranged on the discharge pipe.

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

1. in the stirring process, hot air is continuously introduced into the drying box through the through holes in the stirring rod, so that the materials can be rapidly dried, and the steel wire mesh of the through holes can prevent the materials from entering the stirring rod;

2. the scraper can scrape materials on the side wall of the drying box, the materials are prevented from being adhered to the inner side wall, and the scraper can be always abutted against the inner side wall under the action of the spring, so that the scraping efficiency is ensured;

3. through the setting of conical body for the device can accomplish the ejection of compact fast.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the L-shaped connecting tube of the present invention;

fig. 3 is a top view of the middle cone of the present invention.

Fig. 4 is an overall view of the middle cone of the present invention.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a powder drying device for a neodymium iron boron magnet comprises a drying box 6, a top plate 2 and a bottom plate 19, wherein the top end of the drying box 6 is fixedly connected with the top plate 2, the left side of the upper end of the top plate 2 is connected with a feed hopper 1, the middle part of the top plate 2 is provided with an L-shaped connecting pipe 4, and the right side of the upper end of the L-shaped connecting pipe 4 is connected with an air inlet pipe 21; a sealing gasket 26 is fixedly connected at the joint of the air inlet pipe 21 and the L-shaped connecting pipe 4, a fan 22 and a heating box 23 are connected on the air inlet pipe 21, and an electric heating net is fixedly connected in the heating box 23; the lower end of the L-shaped connecting pipe 4 is connected with a first connecting pipe 20, and the upper end of the first connecting pipe 20 is rotatably connected with the L-shaped connecting pipe 4 through a bearing 5;

a rotating shaft 25 is arranged in the middle of the inner side of the drying box 6, the rotating shaft 25 is of a hollow structure, and the upper end of the rotating shaft 25 is communicated with the first connecting pipe 20; the side wall of the rotating shaft 25 is connected with a plurality of stirring rods 11, the stirring rods 11 are of hollow structures, the stirring rods 11 are communicated with the inside of the rotating shaft 25, a plurality of through holes 10 are uniformly formed in the side wall of each stirring rod 11, and a steel wire fine mesh is fixedly connected to each through hole 10; a second connecting pipe 9 is fixedly connected to the side wall of the rotating shaft 25, a sliding rod 8 is slidably connected in the second connecting pipe 9, a spring is fixedly connected between the sliding rod 8 and the second connecting pipe 9, a scraper 7 is fixedly connected to one end, close to the side wall of the drying box 6, of the sliding rod 8, the scraper 7 is of an arc-shaped structure, and the scraper 7 is arranged close to the inner side wall of the drying box 6; the lower end of the rotating shaft 25 penetrates through the drying box 6 and is fixedly connected with a driven belt wheel 15, a driving belt wheel 17 is arranged on the right side of the driven belt wheel 15, the driven belt wheel 15 is connected with the driving belt wheel 17 through a belt 16, and the lower end of the driving belt wheel 17 is connected with an output shaft of a rotating motor 18;

the inner side of the bottom end bottom surface of the drying box 6 is fixedly connected with a conical body 13, the conical body 13 is rotatably connected with a rotating shaft 25, the lower end of the drying box 6 on two sides of the conical body 13 is connected with a discharge pipe 12, and the discharge pipe 12 is provided with a valve 14; the lower extreme of drying cabinet 6 is provided with bottom plate 19, and the left and right sides fixedly connected with support column 24 of bottom plate 19, the upper end fixedly connected with supporting shoe 3 of support column 24, supporting shoe 3 and the lateral wall fixed connection of drying cabinet 6.

The utility model discloses a structural feature and theory of operation: the device adds materials to be dried into the drying box 6 through the feed hopper 1, sequentially drives the driving belt wheel 17 and the driven belt wheel 15 to rotate through the rotating motor 18, so that the raw materials move rapidly in the drying box 6, hot air is blown into the L-shaped connecting pipe 4 through the fan 22 and the heating box 23, the hot air enters the hollow rotating shaft 25 through the first connecting pipe 20 and then enters the drying box 6 through the through hole 10 on the stirring rod 11, the materials are rapidly dried in the stirring process, the drying efficiency of the materials can be greatly improved, the materials on the side wall of the drying box 6 can be scraped through the scraper 7, the materials are prevented from being adhered to the inner side wall, the scraper 7 can be always abutted against the inner side wall under the action of the spring, the scraping efficiency is ensured, when discharging is needed, the materials can rapidly enter the two sides of the bottom of the drying box 6 through the conical body 13, the material is rapidly discharged through the discharge pipe 12, and the discharge speed is increased.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A powder drying device for a neodymium iron boron magnet comprises a drying box (6), a top plate (2) and a bottom plate (19), and is characterized in that the top end of the drying box (6) is fixedly connected with the top plate (2), the left side of the upper end of the top plate (2) is connected with a feed hopper (1), the middle part of the top plate (2) is provided with an L-shaped connecting pipe (4), and the right side of the upper end of the L-shaped connecting pipe (4) is connected with an air inlet pipe (21); the lower end of the L-shaped connecting pipe (4) is connected with a first connecting pipe (20), and the upper end of the first connecting pipe (20) is rotatably connected with the L-shaped connecting pipe (4) through a bearing (5); a rotating shaft (25) is arranged in the middle of the inner side of the drying box (6), the rotating shaft (25) is of a hollow structure, and the upper end of the rotating shaft (25) is communicated with the first connecting pipe (20); the side wall of the rotating shaft (25) is connected with a plurality of stirring rods (11), the stirring rods (11) are of hollow structures, and the stirring rods (11) are communicated with the inside of the rotating shaft (25); the lower end of the rotating shaft (25) penetrates through the drying box (6) and is fixedly connected with a driven belt wheel (15), a driving belt wheel (17) is arranged on the right side of the driven belt wheel (15), the driven belt wheel (15) is connected with the driving belt wheel (17) through a belt (16), and the lower end of the driving belt wheel (17) is connected with an output shaft of a rotating motor (18); the inner side of the bottom end bottom surface of the drying box (6) is fixedly connected with a conical body (13), and the two sides of the conical body (13) are connected with a discharge pipe (12) at the lower end of the drying box (6); the drying cabinet is characterized in that a bottom plate (19) is arranged at the lower end of the drying cabinet (6), support columns (24) are fixedly connected to the left side and the right side of the bottom plate (19), support blocks (3) are fixedly connected to the upper ends of the support columns (24), and the support blocks (3) are fixedly connected with the side wall of the drying cabinet (6).

2. The powder drying device for the neodymium-iron-boron magnet is characterized in that a sealing gasket (26) is fixedly connected to the joint of the air inlet pipe (21) and the L-shaped connecting pipe (4), a fan (22) and a heating box (23) are connected to the air inlet pipe (21), and an electric heating net is fixedly connected to the inside of the heating box (23).

3. The powder drying device for the neodymium-iron-boron magnet is characterized in that a plurality of through holes (10) are uniformly formed in the side wall of the stirring rod (11), and a steel wire fine mesh is fixedly connected to the through holes (10).

4. The powder drying device for the neodymium-iron-boron magnet is characterized in that a second connecting pipe (9) is fixedly connected to the side wall of the rotating shaft (25), a sliding rod (8) is slidably connected to the second connecting pipe (9), a spring is fixedly connected between the sliding rod (8) and the second connecting pipe (9), a scraper (7) is fixedly connected to one end, close to the side wall of the drying box (6), of the sliding rod (8), the scraper (7) is of an arc-shaped structure, and the scraper (7) is arranged close to the inner side wall of the drying box (6).

5. The powder drying device for neodymium iron boron magnet according to claim 1, characterized in that the conical body (13) is rotatably connected with a rotating shaft (25).

6. The powder drying device for neodymium iron boron magnet according to claim 1, characterized in that the discharging pipe (12) is provided with a valve (14).