CN217070679U

CN217070679U - Device for adding rare earth in magnesium alloy casting process

Info

Publication number: CN217070679U
Application number: CN202220999201.7U
Authority: CN
Inventors: 韩茜; 郑萌; 李成; 李汶泰; 姚凯旋; 周春生; 刘彦锋; 张美丽; 代卫丽; 李春; 杨超普
Original assignee: Shangluo University
Current assignee: Shangluo University
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-07-29
Anticipated expiration: 2032-04-24

Abstract

The utility model discloses a rare earth adding device in the magnesium alloy casting process, which comprises a U-shaped box, wherein a U-shaped cavity is arranged inside the U-shaped box, a spiral heating wire is arranged outside the middle part of the U-shaped cavity, a guide wall is arranged at the top of the lower end of the U-shaped cavity, the middle pipe diameter of the U-shaped cavity is reduced due to the arrangement of the guide wall, the passing liquid flow rate is increased, a feed inlet is arranged at the upper right end of the U-shaped box, a liquid level meter is arranged at the top of the right end of the U-shaped box, an adding port is arranged at the upper left end of the U-shaped box, a discharge port is arranged at the lower side of the U-shaped box, a balance pipe is connected inside the U-shaped box, the left end of the balance pipe is communicated with the upper left side of the U-shaped box, the right end of the balance pipe is communicated with the lower right side of the U-shaped box, the utility model mixes by controlling the air pressure, rare earth is gradually added, magnesium liquid is not directly contacted, the utility model continuously washes the bottom, and the rare earth is mixed more uniformly by carrying out circulation and reciprocating washing.

Description

Device for adding rare earth in magnesium alloy casting process

Technical Field

The utility model relates to a magnesium alloy processing field, concretely relates to add tombarthite device in magnesium alloy casting process.

Background

Magnesium alloys containing rare earth elements are called rare earth magnesium alloys, and have characteristics of high strength, and high heat and corrosion resistance.

At present, in the production process of rare earth magnesium alloy, high-temperature magnesium liquid is used for dissolving rare earth and then casting a rod and ingot for forming, specifically, a fixed material cage is used for filling rare earth, then the material cage is immersed into a crucible filled with the high-temperature magnesium liquid, the rare earth in the material cage is dissolved by the magnesium liquid in a high-temperature state, and during work, one side of the material cage is mechanically stirred by a stirring paddle. The traditional rare earth magnesium alloy production device adopts the fixed material cage, so that rare earth is difficult to be completely dissolved in magnesium liquid in a limited space only by a heating mode, and therefore, the period of rare earth dissolution in the material cage is long, and the continuity and the efficiency of the whole casting process are influenced.

Chinese patent discloses a rare earth magnesium alloy's dissolving device, (grant publication No. CN203572211U), and this patent technology can utilize circumference pivoted material cage, has accelerated the dissolution rate of the inside tombarthite of material cage, and in process of production, need not to take out the material cage and can realize reinforced to the continuity and the high efficiency of casting process have been ensured, but, its power is numerous, stirring leaf direct contact magnesium liquid, and is poor to the stirring effect of bottom. Therefore, the technical personnel in the field provide a device for adding rare earth in the process of casting magnesium alloy so as to solve the problems in the background technology.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a rare earth adding device in the magnesium alloy casting process, which comprises a U-shaped box, wherein the U-shaped cavity is arranged in the U-shaped box, a spiral heating wire is arranged outside the middle part of the U-shaped cavity, a feeding hole is arranged at the upper right end of the U-shaped box, a liquid level meter is arranged at the top of the right end of the U-shaped box, an adding port is arranged at the upper left end of the U-shaped box, a discharging port is arranged at the lower side of the U-shaped box, a balance pipe is connected with the inner side of the U-shaped box, the left end of the balance pipe is communicated with the upper left side of the U-shaped box, the right end of the balance pipe is communicated with the lower right side of the U-shaped box, a valve component is arranged on the balance pipe, and the valve component controls the on-off of the balance pipe;

electric telescopic handle one is installed to the upper left end of U type case, and electric telescopic handle one's lower extreme is connected with transfers the case, the downside of transferring the case is equipped with the guiding hole, and sliding connection has the montant in the guiding hole, and the filter is connected to the lower extreme of montant, is equipped with the through-hole on the filter, and the left side inner wall of U type case is fixed with the stopper, through-hole on the filter with transfer the through-hole dislocation set of case downside, and the upside correspondence of filter transfers the through-hole of case downside to be equipped with the boss, carries out the shutoff, the upper right end of U type case is connected with the intake pipe, and the intake pipe is connected with booster pump and gas holder respectively through the three-way pipe, and the booster pump passes through the pipe connection gas holder.

Preferably, the following components: the lower extreme top of U type cavity is equipped with the guide wall, and the setting of guide wall makes the middle part pipe diameter of U type cavity diminish, increases the liquid velocity of flow that passes through.

Preferably: a plurality of through holes are uniformly formed in the upper side, the lower side and the right side of the downward placing box, and liquefied magnesium alloy can flow through the through holes conveniently.

Preferably: the feed inlet and the discharge gate department all are equipped with sealed lid, and sealed lid is equipped with the sealing washer, keeps the inside leakproofness of U type case after closing.

Preferably: the lower extreme of balanced pipe is connected with the direction mouth, and the direction mouth sets up towards the bottom slope of U type case for wash the bottom.

Preferably: the upper right end intake pipe of U type case is replaced by the piston pipe, and the upper right end of U type case is connected with the piston pipe, and swing joint has the piston board in the piston pipe, and the piston board is connected with electric telescopic handle two, changes the atmospheric pressure on right side through the activity of piston board, mixes.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a control atmospheric pressure mixes, progressively adds the tombarthite, does not directly contact magnesium liquid.

2. The utility model discloses a constantly wash the bottom to circulate and reciprocal washing, make the tombarthite mixture more even.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present application;

FIG. 2 is a schematic structural diagram of a middle drop box according to an embodiment of the present application;

FIG. 3 is a schematic top view of the first embodiment of the present application;

FIG. 4 is a schematic sectional view taken along line A-A in FIG. 3;

fig. 5 is a schematic structural view of a piston plate in the second embodiment of the present application.

In the figure: 1. a U-shaped box; 2. a feed inlet; 3. a discharge port; 4. an addition port; 5. a balance tube; 6. a valve assembly; 7. a first electric telescopic rod; 8. placing the box downwards; 9. a liquid level meter; 10. heating wires;

11. a guide port; 12. a guide wall; 13. an air inlet pipe; 14. a piston tube; 15. a piston plate; 16. a second electric telescopic rod; 17. a filter plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Example 1

Referring to fig. 1-4, the present embodiment provides a device for adding rare earth during magnesium alloy casting, including a U-shaped box 1, a U-shaped cavity is arranged in the U-shaped box 1, a spiral heating wire 10 is arranged outside the middle part of the U-shaped cavity, the top of the lower end of the U-shaped cavity is provided with a guide wall 12, the middle pipe diameter of the U-shaped cavity is reduced due to the arrangement of the guide wall 12, the flow rate of passing liquid is increased, the right upper end of the U-shaped box 1 is provided with a feed inlet 2, the top of the right end of the U-shaped box 1 is provided with a liquid level meter 9, the left upper end of the U-shaped box 1 is provided with an adding port 4, the lower side of the U-shaped box 1 is provided with a discharge outlet 3, the inner side of the U-shaped box 1 is connected with a balance pipe 5, the left end of the balance pipe 5 is communicated with the left upper side of the U-shaped box 1, the right end of the balance pipe 5 is communicated with the right lower side of the U-shaped box 1, a valve assembly 6 is arranged on the balance pipe 5, and the valve assembly 6 controls the on-off of the balance pipe 5;

the left upper end of the U-shaped box 1 is provided with an electric telescopic rod I7, the lower end of the electric telescopic rod I7 is connected with a lower box 8, the upper side, the lower side and the right side of the lower box 8 are uniformly provided with a plurality of through holes for liquefied magnesium alloy to flow through, the lower side of the lower box 8 is provided with a guide hole, a vertical rod is connected in the guide hole in a sliding manner, the lower end of the vertical rod is connected with a filter plate 17, the filter plate 17 is provided with through holes, the inner wall of the left side of the U-shaped box 1 is fixed with a limiting block, the through holes on the filter plate 17 and the through holes on the lower side of the lower box 8 are arranged in a staggered manner, the upper side of the filter plate 17 is provided with a boss corresponding to the through holes on the lower side of the lower box 8 for plugging, the right upper end of the U-shaped box 1 is connected with an air inlet pipe 13, the air inlet pipe 13 is respectively connected with a booster pump and an air storage tank through a three-way pipe, the booster pump is connected with the air storage tank through a pipeline, and sealing covers are arranged at the positions of the feed inlet 2 and the discharge port 3, the sealing cover is provided with a sealing ring, the sealing performance inside the U-shaped box 1 is kept after the sealing cover is closed, the lower end of the balance pipe 5 is connected with a guide port 11, and the guide port 11 is obliquely arranged towards the bottom of the U-shaped box 1 and used for washing the bottom.

The utility model discloses a theory of operation is: during the use, put into the magnesium alloy through feed inlet 2, transfer and put into the rare earth that weighs in the case 8, heat into magnesium liquid through heater strip 10, the in-process of heating, let in inert gas through intake pipe 13, the booster pump inhales gas from the gas holder in, the gas holder is the negative pressure, pressurized gas lets in the right side of U type case 1, make right side atmospheric pressure be greater than the left side, make inside magnesium liquid under the drive of atmospheric pressure, left side liquid level is higher than the left side, electric telescopic handle one 7 drives and transfers case 8 and move down, with the rare earth dip in the magnesium liquid, filter 17 free fall, and make magnesium liquid left side liquid level higher than balance tube 5.

Detect the right side liquid level through level gauge 9, when reacing the assigned height, electric telescopic handle 7 extends to maximum distance, make filter 17 press on the stopper, the through-hole is plugged up to the lug simultaneously, the left side shutoff with U type case 1, intake pipe 13 intercommunication gas holder, balance pipe 5 is opened to valve member 6, inside atmospheric pressure balance is broken, upper magnesium liquid gets back to the right side through balance pipe 5, magnesium liquid washes the bottom through direction mouth 11, the left side liquid level begins to reduce, last electric telescopic handle 7 shortens, wash and mix the bottom, the level is got back to again to the both sides liquid level, dissolve into in the magnesium liquid with the tombarthite. Then mixing for many times, and finally discharging through a discharge port 3.

Example 2

Referring to fig. 5, in the present embodiment, the air inlet pipe 13 at the upper right end of the U-shaped box 1 is replaced by a piston pipe 14, the piston pipe 14 is connected to the upper right end of the U-shaped box 1, a piston plate 15 is movably connected in the piston pipe 14, the piston plate 15 is connected to a second electric telescopic rod 16, and the air pressure at the right side is changed by the movement of the piston plate 15 to perform mixing.

It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present disclosure, all other embodiments obtained by a person of ordinary skill in the art and related fields without creative efforts shall fall within the protection scope of the present disclosure. The structures, devices, and methods of operation of the present invention, not specifically described and illustrated, are generally practiced by those of ordinary skill in the art without specific recitation or limitation.

Claims

1. A rare earth adding device in a magnesium alloy casting process comprises a U-shaped box (1) and is characterized in that a U-shaped cavity is arranged inside the U-shaped box (1), a spiral heating wire (10) is arranged on the outer side of the middle of the U-shaped cavity, a feeding hole (2) is formed in the upper right end of the U-shaped box (1), a liquid level meter (9) is installed at the top of the right end of the U-shaped box (1), an adding hole (4) is formed in the upper left end of the U-shaped box (1), a discharging hole (3) is formed in the lower side of the U-shaped box (1), a balance pipe (5) is connected to the inner side of the U-shaped box (1), the left end of the balance pipe (5) is communicated with the upper left side of the U-shaped box (1), the right end of the balance pipe (5) is communicated with the lower right side of the U-shaped box (1), and a valve assembly (6) is arranged on the balance pipe (5);

electric telescopic handle (7) are installed to the upper left end of U type case (1), and the lower extreme of electric telescopic handle (7) is connected with and transfers case (8), the downside of transferring case (8) is equipped with the guiding hole, and sliding connection has the montant in the guiding hole, and filter (17) are connected to the lower extreme of montant, are equipped with the through-hole on filter (17), and the left side inner wall of U type case (1) is fixed with the stopper, through-hole on filter (17) and the through-hole dislocation set of transferring case (8) downside, and the upside correspondence of filter (17) is transferred the through-hole of case (8) downside and is equipped with the boss, the upper right end of U type case (1) is connected with intake pipe (13), and intake pipe (13) are connected with booster pump and gas holder respectively through the three-way pipe, and the booster pump passes through the pipe connection gas holder.

2. The device for adding the rare earth in the magnesium alloy casting process according to claim 1, characterized in that a guide wall (12) is arranged at the top of the lower end of the U-shaped cavity, and the arrangement of the guide wall (12) enables the pipe diameter of the middle part of the U-shaped cavity to be reduced.

3. The device for adding rare earth in the magnesium alloy casting process according to claim 1, characterized in that a plurality of through holes are uniformly formed in the upper side, the lower side and the right side of the lower box (8).

4. The device for adding rare earth in the magnesium alloy casting process according to claim 1, wherein sealing covers are arranged at the feed inlet (2) and the discharge outlet (3) and provided with sealing rings.

5. The device for adding the rare earth in the magnesium alloy casting process according to claim 1, characterized in that the lower end of the balance pipe (5) is connected with a guide port (11), and the guide port (11) is obliquely arranged towards the bottom of the U-shaped box (1).

6. The device for adding rare earth in the magnesium alloy casting process according to claim 1, characterized in that the right upper end of the U-shaped box (1) is connected with a piston tube (14), a piston plate (15) is movably connected in the piston tube (14), and the piston plate (15) is connected with a second electric telescopic rod (16).