CN218131123U

CN218131123U - Magnesium alloy refining and stirring device

Info

Publication number: CN218131123U
Application number: CN202222000810.XU
Authority: CN
Inventors: 王鸿远; 王海珑
Original assignee: Henan Mingmei Magnesium Industry Technology Co ltd
Current assignee: Henan Mingmei Magnesium Industry Technology Co ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2022-12-27
Anticipated expiration: 2032-08-02

Abstract

The utility model discloses a magnesium alloy refining agitating unit, including motor and stirring rake, the output shaft of motor is arranged perpendicularly, output shaft and stirring rake coaxial coupling, and the stirring rake sets up in the output shaft below. The stirring paddle is characterized by further comprising a sleeve, the sleeve is sleeved outside the stirring paddle, and the height of the sleeve is smaller than the depth of the magnesium alloy smelting crucible. A plurality of first connecting rods which are vertically arranged are fixed on the top surface of the sleeve, and a gap is formed between every two adjacent first connecting rods. The top end of the first connecting rod is connected with the motor. The utility model discloses can make the magnesium alloy solution on the perpendicular produce the flow of upper and lower level, and then improve stirring effect.

Description

Magnesium alloy refining and stirring device

Technical Field

The utility model belongs to a stirrer, in particular to a magnesium alloy refining and stirring device.

Background

In the process of magnesium alloy refining, metal ingots of various alloy components are required to be added in sequence, and in the process of melting, a practical stirrer is required to continuously stir. The existing stirrer is basically a stirring paddle of various types, including a frame type, an anchor type, a paddle type and the like. The motor drives the stirring paddle to rotate through the rotating shaft, and then the magnesium alloy solution is stirred.

The stirring mode can only stir the magnesium alloy on the plane of the stirring paddle, the magnesium alloy flow in the vertical direction is not enough, the stirring effect is not ideal, and the components of the magnesium alloy solution of each fault in the vertical direction are not consistent.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: overcome prior art's not enough, provide a magnesium alloy refining agitating unit, the utility model discloses can make the magnesium alloy solution on the perpendicular produce the flow of upper and lower level, and then improve stirring effect.

The utility model provides a technical scheme that the problem that its exists adopted is:

the utility model provides a magnesium alloy refining agitating unit, includes motor and stirring rake, and the output shaft of motor is arranged perpendicularly, output shaft and stirring rake coaxial coupling, and the stirring rake sets up in the output shaft below.

The magnesium alloy smelting crucible is characterized by further comprising a sleeve, wherein the sleeve is sleeved outside the stirring paddle, and the height of the sleeve is smaller than the depth of the magnesium alloy smelting crucible.

A plurality of first connecting rods which are vertically arranged are fixed on the top surface of the sleeve, and a gap is formed between every two adjacent first connecting rods.

The top end of the first connecting rod is connected with the motor.

Preferably, the stirring paddle comprises paddles and a rotating shaft, wherein the paddles are distributed around the axis of the rotating shaft in an annular array, and the paddles are fixedly connected with the circumferential surface of the lower end of the rotating shaft.

The top end of the rotating shaft is coaxially connected with the bottom surface of the output shaft through a coupler.

Preferably, the bottom surface of the sleeve is lower than the paddle.

Preferably, the distance between the edge of the paddle and the inner circumferential surface of the sleeve is less than or equal to 3cm.

Preferably, the inner cavity of the sleeve is cylindrical or truncated cone-shaped, and the diameter of the lower end of the inner cavity of the sleeve is larger than that of the upper end of the inner cavity of the sleeve.

Preferably, a cover plate is fixed below the motor, and the top surface of the first connecting rod is fixedly connected with the bottom surface of the cover plate.

Preferably, the top surface of the cover plate is fixedly provided with a plurality of second connecting rods, the upper ends of the second connecting rods are fixedly provided with upper flanges, and the upper flanges are fixedly connected with the motor through bolts.

Preferably, the diameter of the cover plate is larger than the diameter of an opening at the upper end of the magnesium alloy smelting crucible.

Preferably, the center of the cover plate is provided with a through hole, and the upper end of the rotating shaft penetrates through the through hole and is arranged above the cover plate.

Preferably, the cover plate is provided with an air ring above, the cover plate is provided with a plurality of air exhaust holes, and the air exhaust holes are communicated with the inner cavity of the air ring.

The outside of the gas ring is provided with a gas inlet pipe communicated with the gas ring.

Compared with the prior art, the utility model discloses beneficial effect who has:

(1) The paddle can push the magnesium alloy solution and the inside of the sleeve upwards, so that the magnesium alloy solution flows into the magnesium alloy smelting crucible from a gap between the first connecting rods, the flowing stirring of the magnesium alloy solution in the crucible in the vertical direction is realized, and the stirring effect is further optimized.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a first outline view of a magnesium alloy refining and stirring device of the utility model,

FIG. 2 is a second outline drawing of the magnesium alloy refining stirring device of the utility model,

FIG. 3 is an exploded view of the magnesium alloy refining and stirring device of the present invention,

FIG. 4 is a first cross-sectional view of the magnesium alloy refining stirring device of the present invention,

fig. 5 is a second cross-sectional view of the magnesium alloy refining stirring device of the utility model.

In the figure, 1-motor, 101-output shaft, 2-paddle, 201-rotating shaft, 3-sleeve, 301-first connecting rod, 4-cover plate, 401-through hole, 402-second connecting rod, 403-upper flange, 404-air ring, 405-air inlet pipe and 406-air outlet hole.

Detailed Description

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. The description and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, within which a person skilled in the art can solve the technical problem to substantially achieve the technical result.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", horizontal ", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element 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.

In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The attached drawings are preferred embodiments of the magnesium alloy refining stirring device, and the invention is further described in detail below with reference to the attached drawings.

The utility model provides a magnesium alloy refining agitating unit, includes motor 1, stirring rake and sleeve 3, and motor 1's output shaft 101 is arranged perpendicularly, output shaft 101 and stirring rake coaxial coupling, and the stirring rake sets up in output shaft 101 below. The stirring rake include paddle 2 and pivot 201, a plurality of paddle 2 is annular array around the pivot 201 axis and distributes, paddle 2 and the periphery fixed connection of pivot 201 lower extreme, pivot 201 top and output shaft 101 bottom surface pass through shaft coupling coaxial coupling.

The sleeve 3 is sleeved outside the stirring paddle, the height of the sleeve 3 is smaller than the depth of the magnesium alloy smelting crucible, and the sleeve 3 is completely positioned inside the crucible when the crucible is used.

A plurality of first connecting rods 301 which are vertically arranged are fixed on the top surface of the sleeve 3, and a gap is arranged between every two adjacent first connecting rods 301.

A cover plate 4 is fixed below the motor 1, and the top surface of the first connecting rod 301 is fixedly connected with the bottom surface of the cover plate 4.

A plurality of second connecting rods 402 are fixed on the top surface of the cover plate 4, an upper flange 403 is fixed at the upper end of each second connecting rod 402, and the upper flange 403 is fixedly connected with the motor 1 through bolts.

The diameter of the cover plate 4 is larger than that of an opening at the upper end of the magnesium alloy smelting crucible, and the cover plate is covered on the crucible when in use.

The center of the cover plate 4 is provided with a through hole 401, and the upper end of the rotating shaft 201 passes through the through hole 401 and is arranged above the cover plate 4.

An air ring 404 is arranged above the cover plate 4, a plurality of air outlet holes 406 are arranged on the cover plate 4, the air outlet holes 406 are communicated with the inner cavity of the air ring 404, and an air inlet pipe 405 communicated with the air ring 404 is arranged outside the air ring 404. The gas inlet pipe 405 is connected with an external protective gas pipeline, and in the operation process, the protective gas pipeline discharges the protective gas into the crucible through the exhaust hole 406, so that the liquid level of the magnesium alloy solution is prevented from being ignited. In order to increase the protection range of the shielding gas, the exhaust hole 406 is in a circular truncated cone shape, and the diameter of the lower end opening is larger than that of the upper end.

In order to make the paddle 2 rotate, the magnesium alloy in the sleeve 3 can move upwards, and the bottom surface of the sleeve 3 is lower than the paddle 2. Meanwhile, the distance between the edge of the paddle 2 and the inner circumferential surface of the sleeve 3 is less than or equal to 3cm. The clearance is too large, the magnesium alloy solution is difficult to move upwards, the clearance is too small, and the solution is clamped.

The inner cavity of the sleeve 3 is cylindrical or in a circular truncated cone shape with the diameter of the lower end larger than that of the upper end. In this embodiment, the inner cavity of the sleeve 3 is in a truncated cone shape, which is more beneficial to the magnesium alloy solution in the sleeve to move upwards.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art.

Claims

1. The utility model provides a magnesium alloy refining agitating unit, includes motor (1) and stirring rake, and output shaft (101) of motor (1) are arranged perpendicularly, output shaft (101) and stirring rake coaxial coupling, and the stirring rake sets up in output shaft (101) below, its characterized in that:

the stirring device also comprises a sleeve (3), the sleeve (3) is sleeved outside the stirring paddle, the height of the sleeve (3) is less than the depth of the magnesium alloy smelting crucible,

a plurality of first connecting rods (301) which are vertically arranged are fixed on the top surface of the sleeve (3), a gap is arranged between every two adjacent first connecting rods (301),

the top end of the first connecting rod (301) is connected with the motor (1).

2. A magnesium alloy refining stirring apparatus as set forth in claim 1, wherein:

the stirring paddle comprises paddles (2) and a rotating shaft (201), a plurality of paddles (2) are distributed in an annular array around the axis of the rotating shaft (201), the paddles (2) are fixedly connected with the circumferential surface of the lower end of the rotating shaft (201),

the top end of the rotating shaft (201) is coaxially connected with the bottom surface of the output shaft (101) through a coupler.

3. A magnesium alloy refining stirring apparatus as set forth in claim 2, wherein:

the bottom surface of the sleeve (3) is lower than the blades (2).

4. A magnesium alloy refining stirring apparatus as set forth in claim 3, characterized in that:

the distance between the edge of the paddle (2) and the inner circumferential surface of the sleeve (3) is less than or equal to 3cm.

5. A magnesium alloy refining stirring apparatus as defined in claim 1, 2, 3 or 4, wherein:

the inner cavity of the sleeve (3) is cylindrical or in a circular truncated cone shape with the diameter of the lower end larger than that of the upper end.

6. A magnesium alloy refining stirring apparatus as set forth in claim 5, characterized in that:

a cover plate (4) is fixed below the motor (1), and the top surface of the first connecting rod (301) is fixedly connected with the bottom surface of the cover plate (4).

7. A magnesium alloy refining stirring apparatus as set forth in claim 6, wherein:

the top surface of the cover plate (4) is fixedly provided with a plurality of second connecting rods (402), the upper ends of the second connecting rods (402) are fixedly provided with upper flanges (403), and the upper flanges (403) are fixedly connected with the motor (1) through bolts.

8. A magnesium alloy refining stirring apparatus as set forth in claim 7, characterized in that:

the diameter of the cover plate (4) is larger than that of an opening at the upper end of the magnesium alloy smelting crucible.

9. A magnesium alloy refining stirring apparatus as defined in claim 7 or 8, wherein:

the center of the cover plate (4) is provided with a through hole (401), and the upper end of the rotating shaft (201) penetrates through the through hole (401) and is arranged above the cover plate (4).

10. A magnesium alloy refining stirring apparatus as set forth in claim 9, wherein:

an air ring (404) is arranged above the cover plate (4), a plurality of exhaust holes (406) are arranged on the cover plate (4), the exhaust holes (406) are communicated with the inner cavity of the air ring (404),

an air inlet pipe (405) communicated with the air ring (404) is arranged outside the air ring.