CN212357353U

CN212357353U - Molten aluminum degassing machine

Info

Publication number: CN212357353U
Application number: CN202021051173.3U
Authority: CN
Inventors: 王渝培; 鲍军
Original assignee: Chongqing Tiantai Refined Metal Casting Co ltd
Current assignee: Chongqing Tiantai Refined Metal Casting Co ltd
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-01-15
Anticipated expiration: 2030-06-09

Abstract

The utility model provides an aluminium liquid degasser, include the support and install the pneumatic cylinder at support top, the flexible post of pneumatic cylinder bottom is connected with the workstation, set up the through-hole on the workstation, install the bearing in the through-hole, and install the rotor with the bearing cooperation, rotor top installation runner, the workstation top sets up the mount pad, install agitator motor on the mount pad, install the sprocket on the agitator motor output shaft, the sprocket passes through the chain and is connected with the runner transmission, the degasser is installed in the bearing cooperation on the support of pneumatic cylinder below, the ring channel is seted up at degasser lateral wall middle part, winding solenoid in the ring channel. The utility model provides a gas pitcher bottom produce the problem of residue easily, produced the effect that improves aluminium liquid purifying effect and prevent gas pitcher bottom production residue.

Description

Molten aluminum degassing machine

Technical Field

The utility model relates to a metallurgical equipment technical field especially relates to an aluminium liquid degasser.

Background

Before manufacturing an aluminum casting, an aluminum ingot needs to be melted into aluminum liquid in a high-temperature melting furnace, and because high-temperature gas and other impurities exist in the melting furnace, the aluminum liquid needs to be degassed and refined before being poured into a mold; the existing aluminum liquid degassing equipment adopts a graphite rotor to introduce inert gas into aluminum liquid to remove hydrogen and impurities in the aluminum liquid, but the aluminum liquid degassing equipment cannot insert the graphite rotor to the bottom of a degassing tank, so that the bottom of the degassing tank cannot be effectively purified, and a lot of impurities in the aluminum liquid fall on the bottom of the degassing tank to cause residue; and when carrying out the degasification, aluminium liquid temperature reduces, because graphite rotor's operating temperature is 750 ℃, the aluminium fusing point is 660 ℃, if the degasification time is long slightly, aluminium liquid temperature reduces when can making to pour, and partial aluminium liquid solidifies in the degassing tank, need often clear up degassing tank bottom at last, not only wastes time and energy but also can damage the degassing tank.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects existing in the prior art, the utility model provides an aluminum liquid degassing machine, which solves the problem that the bottom of a degassing tank in the prior art is easy to produce residues.

According to the embodiment of the utility model, an aluminium liquid degasser, include the support and install the pneumatic cylinder at the support top, the flexible post of pneumatic cylinder bottom is connected with the workstation, set up the through-hole on the workstation, install the bearing in the through-hole, and install the rotor with the bearing cooperation, rotor top installation runner, the workstation top sets up the mount pad, install agitator motor on the mount pad, install the sprocket on the agitator motor output shaft, the sprocket passes through the chain and is connected with the runner transmission, the degasser is installed in the bearing cooperation on the support of pneumatic cylinder below, the ring channel is seted up at degasser lateral wall middle part, winding solenoid in the ring channel.

The technical principle of the utility model is that: the graphite rotor with the air holes is used, inert gas is introduced into aluminum liquid, the graphite rotor is driven to rotate by the stirring motor, bubbles are scattered, the electromagnetic coil is electrified with constant current, impurities at the bottom are sucked up, the impurities are placed to sink, the electromagnetic coil is introduced with alternating current, and the graphite rotor rotates to drive the aluminum liquid to flow, so that the aluminum liquid is heated, and the working temperature of aluminum liquid degassing is guaranteed.

Compared with the prior art, the utility model discloses following beneficial effect has: by adopting the electromagnetic coil to heat the aluminum liquid or absorb impurities in the aluminum liquid, the technical problem that residues are easily generated at the bottom of the degassing tank is solved, and the technical effects of improving the aluminum liquid purification effect and preventing the residues from being generated at the bottom of the degassing tank are achieved.

Drawings

Fig. 1 is a front view of an embodiment of the present invention.

Fig. 2 is a left side view of the embodiment of the present invention.

Fig. 3 is a sectional view taken along line a-a of fig. 2.

Fig. 4 is an enlarged view of the region B in fig. 3.

In the above drawings: 1. a support; 2. a hydraulic cylinder; 3. a work table; 4. a stirring motor; 5. a rotating wheel; 6. a rotor; 7. A refining tank; 8. a degassing tank; 9. a fixed arm; 10. a fixed seat; 11. pouring a material port; 12. rotating the handle; 13. a hose connector; 14. a nitrogen gas cylinder; 15. an electromagnetic coil.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

As shown in fig. 1 and fig. 3, an embodiment of the utility model provides an aluminum liquid degassing machine, including support 1 and the pneumatic cylinder 2 installed at the top of support 1, the flexible post of pneumatic cylinder 2 bottom is connected with workstation 3, set up the through-hole on workstation 3, install the bearing in the through-hole, and install rotor 6 with the bearing cooperation, rotor 6 top installation runner 5, workstation 3 top sets up the mount pad, install agitator motor 4 on the mount pad, install the sprocket on the agitator motor 4 output shaft, the sprocket passes through the chain and is connected with runner 5 transmission, the support 1 upper bearing cooperation below pneumatic cylinder 2 is installed and is removed gas tank 8, remove gas tank 8 lateral wall middle part set up the ring channel, twine solenoid 15 in the ring channel; the rotor 6 is made of graphite, an air hole is formed in the axis of the rotor, a stirring block is arranged in the middle of the rotor 6 and used for stirring aluminum liquid, an annular cavity is formed in the middle of the side wall of the degassing tank 8, and the electromagnetic coil 15 is wound in the cavity and heat insulation cotton is filled in the cavity.

As shown in fig. 1, an inclined bearing mounting hole is formed in the top of the rotor 6, a nitrogen cylinder 14 is mounted on one side of the bracket 1, the nitrogen cylinder 14 is connected with a hose connector 13 through a hose, and the hose connector 13 is inserted into the bearing mounting hole of the rotor 6 and is in bearing fit with the rotor 6; hose nipple 13 is fixed on the mounting bracket at workstation 3 top, and the sealed bearing of taking the sealing washer is used to the bearing, places nitrogen gas and reveals.

As shown in fig. 1 and fig. 2, a fixed seat 10 is installed on the side surface of the degassing tank 8, and a fixed arm 9 which is matched with the fixed seat 10 to realize the fixation of the degassing tank 8 is installed on the side surface of the support 1; a total of 4 fixed

seats

10 and 4 fixed arms 9 are arranged to fix the degassing tank 8.

As shown in fig. 1, one end of the rotating shaft of the degassing tank 8 is connected with a rotating handle 12; the rotating handle 12 is controlled to facilitate pouring the aluminum liquid into the degassing tank 8 or pouring the aluminum liquid out of the degassing tank 8.

As shown in fig. 1, a material pouring port 11 is formed in one side surface of the degassing tank 8; the aluminum liquid is convenient to pour out.

As shown in fig. 1, a refining tank 7 containing a refining agent is mounted on the worktable 3; and a refining agent is added into the aluminum liquid to remove hydrogen and floating oxidation slag inclusion in the aluminum liquid, so that the aluminum liquid is purer.

The detailed working process of the embodiment is as follows: firstly, the inclination of a degassing tank 8 is controlled by a rotary handle 12, aluminum liquid is poured into the degassing tank 8, the balance of the degassing tank 8 is controlled, a fixed arm 9 is used for matching with a fixed seat 10 to fix the degassing tank 8, a hydraulic cylinder 2 is controlled to extend out a telescopic column to drive a workbench 3 to move downwards, a rotor 6 extends into the aluminum liquid in the degassing tank 8, the output quantity of nitrogen is controlled by an overflow valve, a stirring motor 4 is started to drive the rotor 6 to rotate, an opening of a refining tank 7 is controlled by an electromagnetic valve, a refining agent is put into the aluminum liquid, an electromagnetic coil 15 is connected with a rectifier, then the rectifier is connected with alternating current, the rectifier is started to convert alternating current with positive and negative changes into direct current, the direct current passes through the electromagnetic coil 15, the electromagnetic coil 15 is magnetized, ferromagnetic impurities at the bottom move upwards, and nitrogen bubbles bring the impurities to the surface of the aluminum liquid by, the temperature detector of the thermistor is arranged on the surface of the degassing tank 8, when degassing reaction time is prolonged and the temperature of the aluminum liquid is reduced, the rectifier is closed, alternating current is directly used for supplying power to the electromagnetic coil 15, alternating current with positive and negative changes is connected into the electromagnetic coil 15, the rotor 6 drives the aluminum liquid to flow, the aluminum liquid cuts the magnetic induction line to move, the electromagnetic coil 15 heats the aluminum liquid, and finally the aluminum liquid is poured out. Because the electromagnetic coil is adopted to heat the aluminum liquid or absorb impurities in the aluminum liquid, the effects of improving the purification effect of the aluminum liquid and preventing residues from being produced at the bottom of the degassing tank are achieved.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. An aluminum liquid degasser is characterized in that: including support (1) and pneumatic cylinder (2) of installing at support (1) top, the flexible post of pneumatic cylinder (2) bottom is connected with workstation (3), set up the through-hole on workstation (3), install the bearing in the through-hole, and install rotor (6) with the bearing cooperation, rotor (6) top installation runner (5), workstation (3) top sets up the mount pad, install agitator motor (4) on the mount pad, install the sprocket on agitator motor (4) output shaft, the sprocket passes through the chain and is connected with runner (5) transmission, degassing tank (8) are installed in the bearing cooperation on support (1) of pneumatic cylinder (2) below, the ring channel is seted up at degassing tank (8) lateral wall middle part, winding solenoid (15) in the ring channel.

2. The aluminum liquid degassing machine of claim 1, characterized in that: the rotor bearing structure is characterized in that an inclined bearing mounting hole is formed in the top of the rotor (6), a nitrogen cylinder (14) is mounted on one side of the support (1), the nitrogen cylinder (14) is connected with a hose connector (13) through a hose, and the hose connector (13) is inserted into the bearing mounting hole of the rotor (6) and matched with a bearing of the rotor (6).

3. The aluminum liquid degassing machine of claim 1, characterized in that: the side surface of the degassing tank (8) is provided with a fixed seat (10), and the side surface of the bracket (1) is provided with a fixed arm (9) matched with the fixed seat (10) to fix the degassing tank (8).

4. The aluminum liquid degassing machine of claim 3, characterized in that: one end of the rotating shaft of the degassing tank (8) is connected with a rotating handle (12).

5. The aluminum liquid degassing machine of claim 4, wherein: and a material pouring port (11) is formed in one side surface of the degassing tank (8).

6. The aluminum liquid degassing machine of claim 1, characterized in that: and a refining tank (7) containing a refining agent is arranged on the workbench (3).