CN211147294U

CN211147294U - Neodymium iron boron spare part production is with smelting device

Info

Publication number: CN211147294U
Application number: CN201921792709.4U
Authority: CN
Inventors: 赵昌苗
Original assignee: Zhuji Ichoice Magtech Co ltd
Current assignee: Zhuji Ichoice Magtech Co ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-07-31
Anticipated expiration: 2029-10-24

Abstract

The utility model discloses a smelting device for producing neodymium iron boron parts, which comprises a tank body, a tank cover, a vacuum pump, an annular partition plate and a crucible, the inner wall of the tank body is fixedly connected with one side of the annular clapboard through a first connecting rod, a second cavity is arranged between the inner wall of the tank body and one side of the annular clapboard, the top end of the tank body is fixedly connected with the top end of the crucible, an annular aluminum plate is fixed on the outer side of the crucible, the outer side of the annular aluminum plate is fixedly connected with the other side of the annular partition plate through a second connecting rod, a first cavity is arranged between the outer side of the annular aluminum plate and the other side of the annular partition plate, a discharge pipe is fixed in the middle of the bottom end of the crucible, the bottom of the annular partition plate is fixedly provided with a water inlet pipe, the bottom of the tank body is fixedly provided with a water discharge pipe, the top of the tank body is clamped with the bottom of the tank cover through a lock catch, and a crucible in the tank body is connected with a vacuum pump through a vacuum pipe. The utility model has the advantages of the cooling water is not directly contacted with the crucible after being introduced, and the crucible is protected when the cooling water is cooled.

Description

Neodymium iron boron spare part production is with smelting device

Technical Field

The utility model relates to a production technical field of neodymium iron boron spare part specifically is a production of neodymium iron boron spare part is with smelting device.

Background

Neodymium iron boron is a tetragonal crystal formed of neodymium, iron, and boron. The neodymium iron boron is divided into sintered neodymium iron boron and bonded neodymium iron boron, and the bonded neodymium iron boron is magnetic and corrosion-resistant in all directions. The sintered neodymium iron boron is easy to corrode, a coating is required on the surface, and the sintered neodymium iron boron is generally divided into axial magnetization and radial magnetization according to the required working surface.

When the neodymium iron boron is used for producing parts, the neodymium iron boron is firstly smelted, and the solid neodymium iron boron is melted into liquid and is tempered. The existing smelting device is mainly a crucible type vacuum smelting furnace, solid neodymium iron boron is placed into a crucible for vacuumizing, the solid neodymium iron boron is melted by melting electric arc generated by electrodes, cooling water needs to be introduced for cooling after the solid neodymium iron boron is melted, but the cooling water is directly contacted with the outer surface of the crucible after the cooling water is introduced, the crucible is rapidly cooled by high temperature to generate certain damage to the crucible, and the service life of the crucible is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a production of neodymium iron boron spare part is with smelting device possesses and sets up one deck aluminum plate at the crucible skin, and cooling water is direct not with the crucible contact after letting in, protects the advantage of crucible in the cooling, has solved the cooling water and has let in the direct surface contact with the crucible in back, and the crucible is cooled off rapidly by high temperature can produce certain harm to crucible itself, influences the life's of crucible problem.

In order to achieve the above object, the utility model provides a following technical scheme: a smelting device for producing neodymium iron boron components comprises a tank body, a tank cover, a vacuumizing pump, an annular partition plate and a crucible, wherein the inner wall of the tank body is fixedly connected with one side of the annular partition plate through a first connecting rod, a second cavity is arranged between the inner wall of the tank body and one side of the annular partition plate, the top end of the tank body is fixedly connected with the top end of the crucible, the crucible is positioned in the tank body, an annular aluminum plate is fixed on the outer side of the crucible, the outer side of the annular aluminum plate is fixedly connected with the other side of the annular partition plate through a second connecting rod, a first cavity is arranged between the outer side of the annular aluminum plate and the other side of the annular partition plate, a discharge pipe is fixed in the middle of the bottom end of the crucible, a solenoid valve is fixed on the discharge pipe, a water inlet pipe is fixed at the bottom, one end of the vacuum tube, which is far away from the vacuum-pumping pump, extends into the crucible.

Preferably, four pillars are fixed to the bottom of the tank body in an annular array, and balancing weights are fixed to the bottom ends of the four pillars.

Preferably, a 2cm gap is left between the annular aluminum plate and the outer side of the crucible.

Preferably, the top of the first cavity is communicated with the top of the second cavity.

Preferably, the discharge pipe is communicated with the interior of the crucible, the water inlet pipe is communicated with the first cavity, and the drain pipe is communicated with the second cavity.

Preferably, cover one side is fixed with the inlet pipe, is fixed with the valve on the inlet pipe, and the inside centre of cover is fixed with the electrode, and the electrode bottom is located the crucible.

Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model discloses a set up annular aluminum plate, reached the cooling water and let in the back not direct and crucible contact, protect the effect of crucible in the time of cooling, the utility model discloses be provided with annular aluminum plate, placed annular baffle at jar internal portion, annular baffle one side is fixed through first connecting rod and jar internal wall, it is internal to make annular baffle fix at jar, be equipped with the second cavity between annular baffle one side and the jar internal wall, the crucible is placed at a jar internal, the crucible push pipe is fixed with jar body top, the crucible outside is fixed with annular aluminum plate, there is the space between annular aluminum plate and the crucible outside, the annular aluminum plate outside is fixed through second connecting rod and annular baffle opposite side, be equipped with first cavity between annular baffle opposite side and the annular aluminum plate, first cavity and second cavity intercommunication. The cover is closed, put into solid neodymium iron boron, through the internal evacuation of evacuation pump with the jar, electrode circular telegram back production melts solid neodymium iron boron, smelt after finishing, pour into the cooling water into in to first cavity through the inlet tube, until the cooling water is full with first cavity notes, the heat of crucible department is absorbed by the cooling water in getting into first cavity through annular aluminum plate's transmission, thereby to crucible cooling, and the cooling water can not with crucible outside direct contact under annular aluminum plate's the blockking, avoided the crucible to produce the harm to crucible itself by high temperature rapid cooling, the cooling water after the absorbed heat spills over from first cavity in getting into the second cavity, discharge from the drain pipe again, through the continuous water inlet of inlet tube and the drainage of drain pipe, realize the cooling water circulation, open the solenoid valve after the cooling, the liquid neodymium iron boron after smelting flows out.

Drawings

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

FIG. 2 is a schematic front sectional view of the present invention;

Fig. 3 is an enlarged schematic view of the utility model at a;

Fig. 4 is a schematic view of the connection structure of the tank interior in a top view.

In the figure: 1. a pillar; 2. a tank body; 3. locking; 4. a can lid; 5. a feed pipe; 6. a vacuum tube; 7. a vacuum pump is pumped; 8. a drain pipe; 9. a discharge pipe; 10. a water inlet pipe; 11. an annular partition plate; 12. a first connecting rod; 13. a second connecting rod; 14. an annular aluminum plate; 15. a crucible; 16. an electrode; 17. a first cavity; 18. a second cavity; 19. an electromagnetic valve.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, the present invention provides an embodiment: the utility model provides a production of neodymium iron boron spare part is with smelting device, includes a jar body 2, cover 4, evacuation pump 7, annular baffle 11 and

crucible

15, and 2 bottoms of jar body are annular array and are fixed with four

pillars

1, and 1 bottom of pillar and ground contact all are fixed with the balancing weight, improvement stability in 1 bottoms of four pillars. The inner wall of the tank body 2 is fixedly connected with one side of the annular partition plate 11 through a first connecting rod 12, the annular partition plate 11 is fixed in the tank body 2, a second cavity 18 is arranged between the inner wall of the tank body 2 and one side of the annular partition plate 11, the top end of the tank body 2 is fixedly connected with the top end of the crucible 15, and the crucible 15 is positioned in the tank body 2. 2 tops of jar body are through

hasp

3 and 4 bottom joints of cover, 4 one sides of cover are fixed with inlet pipe 5, be fixed with the valve on the

inlet pipe

5, 4 inside middles of cover are fixed with electrode 16, electrode 16 passes through the connection of electric lines external control equipment, cover 4 is closed, 4 bottoms of cover and 2 top junctions of jar body are sealed, electrode 16 bottom is located crucible 15, open the valve on the inlet pipe 5, put into solid neodymium iron boron, close the valve, 2 one side of jar body is connected with evacuation pump 7 through vacuum tube 6, evacuation pump 7 adopts GH-ZKB-31R model, this evacuation pump 7 has small, the advantage of silence, evacuation pump 7 connects external power source. One end of the vacuum tube 6, which is far away from the vacuum pump 7, extends into the crucible 15, the vacuum pump 7 is powered on and started, the tank body 2 is vacuumized through the vacuum pump 7, and the electrode 16 is powered on to generate melting electric arc to melt the solid neodymium iron boron for smelting.

An annular aluminum plate 14 is fixed on the outer side of the crucible 15, a 2cm gap is reserved between the annular aluminum plate 14 and the outer side of the crucible 15, and the inner side of the annular aluminum plate 14 is not directly contacted with the outer side of the crucible 15. The outer side of the annular aluminum plate 14 is fixedly connected with the other side of the annular partition plate 11 through a second connecting rod 13, a first cavity 17 is arranged between the outer side of the annular aluminum plate 14 and the other side of the annular partition plate 11, and the top of the first cavity 17 is communicated with the top of a second cavity 18. 11 bottom mounting of annular diaphragm has inlet tube 10, inlet tube 10 and first cavity 17 intercommunication, after the smelting, through inlet tube 10 to injecting cooling water in the first cavity 17, until the cooling water fills up first cavity 17, the heat of 15 departments of crucible is absorbed by the cooling water in the first cavity 17 of transmission entering of annular aluminum plate 14, thereby to 15 cooling of crucible, and the cooling water can not with 15 outside direct contact of crucible under the blockking of annular aluminum plate 14, avoided crucible 15 to produce the harm to crucible 15 itself by high temperature rapid cooling. The drain pipe 8 is fixed at the bottom of the tank body 2, the drain pipe 8 is communicated with the second cavity 18, cooling water after absorbing heat overflows from the first cavity 17 to enter the second cavity 18 and is discharged from the drain pipe 8, and cooling water circulation is realized through continuous water inlet of the water inlet pipe 10 and drainage of the drain pipe 8. A discharge pipe 9 is fixed in the middle of the bottom end of the crucible 15, the discharge pipe 9 is communicated with the inside of the crucible 15, an electromagnetic valve 19 is fixed on the discharge pipe 9, the electromagnetic valve 19 is of a DF-15 type, the electromagnetic valve 19 is made of high-temperature-resistant metal, and the electromagnetic valve 19 is connected with an external power supply. After cooling water cools down, the electromagnetic valve 19 is opened, and the melted liquid neodymium iron boron flows out.

The working principle is as follows: the cover 4 is closed, opens the valve on the inlet pipe 5, puts into solid neodymium iron boron, closes the valve, and evacuation pump 7 circular telegram starts, through evacuation pump 7 with jar internal evacuation, produces after 16 circular telegrams of electrode and melts solid neodymium iron boron and melts and smelt the smelting. After smelting, pour into the cooling water into in first cavity 17 through inlet tube 10, until the cooling water fills up first cavity 17 with, the heat of 15 departments of crucible is absorbed by the cooling water in getting into first cavity 17 through annular aluminum plate 14's transmission, and the cooling water after the absorption heat spills over from first cavity 17 in getting into second cavity 18, discharges from drain pipe 8 again, and after the cooling water cooling, open solenoid valve 19, the liquid neodymium iron boron after smelting flows.

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.

Claims

1. The utility model provides a production of neodymium iron boron spare part is with smelting device, includes jar body (2), cover (4), evacuation pump (7), annular baffle (11) and crucible (15), its characterized in that: the utility model discloses a crucible pot, including the jar body (2), jar body (2) inner wall is through first connecting rod (12) and annular baffle (11) one side fixed connection, be equipped with second cavity (18) between jar body (2) inner wall and annular baffle (11) one side, jar body (2) top and crucible (15) top fixed connection, and crucible (15) are located jar body (2), the crucible (15) outside is fixed with annular aluminum plate (14), annular aluminum plate (14) outside is through second connecting rod (13) and annular baffle (11) opposite side fixed connection, be equipped with first cavity (17) between annular aluminum plate (14) outside and annular baffle (11) opposite side, crucible (15) bottom middle fixing has discharging pipe (9), be fixed with solenoid valve (19) on discharging pipe (9), annular baffle (11) bottom is fixed with inlet tube (10), jar body (2) bottom is fixed with drain pipe (8), the pot body (2) top is connected with the pot cover (4) bottom in a clamping mode through the lock catch (3), one side of the pot body (2) is connected with the vacuum-pumping pump (7) through the vacuum tube (6), and one end, deviating from the vacuum-pumping pump (7), of the vacuum tube (6) extends into the crucible (15).

2. The smelting device for producing neodymium iron boron components and parts according to claim 1, characterized in that: jar body (2) bottom is the annular array and is fixed with four pillars (1), and four pillars (1) bottom all are fixed with the balancing weight.

3. The smelting device for producing neodymium iron boron components and parts according to claim 1, characterized in that: a2 cm gap is reserved between the annular aluminum plate (14) and the outer side of the crucible (15).

4. The smelting device for producing neodymium iron boron components and parts according to claim 1, characterized in that: the top of the first cavity (17) is communicated with the top of the second cavity (18).

5. The smelting device for producing neodymium iron boron components and parts according to claim 1, characterized in that: the discharging pipe (9) is communicated with the interior of the crucible (15), the water inlet pipe (10) is communicated with the first cavity (17), and the water discharging pipe (8) is communicated with the second cavity (18).

6. The smelting device for producing neodymium iron boron components and parts according to claim 1, characterized in that: cover (4) one side is fixed with inlet pipe (5), is fixed with the valve on inlet pipe (5), and cover (4) inside centre is fixed with electrode (16), and electrode (16) bottom is located crucible (15).