CN212778614U

CN212778614U - Bell-type smelting device

Info

Publication number: CN212778614U
Application number: CN202020802768.1U
Authority: CN
Inventors: 来光祖; 何有志; 周怡; 尹家新; 王德清; 陈水如; 史勇
Original assignee: Hubei Sanjiang Aerospace Wanfeng Technology Development Co Ltd
Current assignee: Hubei Sanjiang Aerospace Wanfeng Technology Development Co Ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2021-03-23
Anticipated expiration: 2030-05-14

Abstract

The utility model discloses a bell jar type smelting device, which comprises a fixed base, a screw rod, a motor, a lifting ring, an cover plate and a bell jar rotor, wherein the fixed base is a base welded and fixed by a cylinder support frame and a circular plate, a plurality of vertical reinforcing plates are welded and fixed between the cylinder side surface of the fixed base and the circular plate, the vertical screw rod is welded and fixed in the middle of the upper part of the fixed base, threads are distributed on the outer part of the screw rod, horizontal fixed plates are respectively welded and fixed at the upper end and the lower end of the screw rod, and the designed fixed up-down lifting structure avoids the influence of vibration on the refining effect of molten aluminum due to the operation of equipment; the refining agent can be sent to each position of the aluminum liquid, so that the refining agent is fully contacted with the aluminum liquid, and the refining quality of the aluminum liquid is improved; the labor intensity is reduced, and the production efficiency is improved; simple structure, convenient manufacture and low cost. The method is suitable for refining the aluminum alloy.

Description

Bell-type smelting device

Technical Field

The utility model relates to a non ferrous metal field specifically is a device is smelted to bell jar formula.

Background

The aluminum alloy has relatively active chemical properties, and is very easy to generate oxidation reaction with water vapor and absorb hydrogen when being smelted in casting, so that defects such as inclusions, pinholes and the like are formed when aluminum liquid is solidified into an aluminum casting, the quality of the casting is influenced, and waste products can be generated when the defects are serious.

In the process of smelting the aluminum alloy, a chemical compound is required to be added into the aluminum liquid for refining, and the purpose is to perform degassing and deslagging treatment on the aluminum liquid. Refining is an important process step which cannot be lost in the aluminum alloy casting process, and can play a role in degassing, purifying and refining the aluminum alloy.

At present, most of aluminum alloy refining is to directly scatter a powdery or granular refining agent on the surface of molten aluminum, and then manually stir to mix the refining agent and the aluminum to play a refining effect. According to the refining method, the refining agent cannot be uniformly delivered to all parts of the molten aluminum, so that the refining speed and effect are not ideal, the manual operation environment is severe, and the strength is high.

Disclosure of Invention

An object of the utility model is to provide a device is smelted to bell jar formula to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a bell jar type smelting device comprises a fixed base, a screw rod, a motor, a lifting ring, a cover plate and a bell jar rotor, wherein the fixed base is a base formed by welding and fixing a cylindrical support frame and a circular plate, a plurality of vertical reinforcing plates are welded and fixed between the cylindrical side surface of the fixed base and the circular plate, the vertical screw rod is welded and fixed in the middle of the upper portion of the fixed base, threads are distributed on the outer portion of the screw rod, horizontal fixed plates are respectively welded and fixed at the upper end and the lower end of the screw rod, a lifting frame is fixedly connected onto the screw rod through threads, a vertical through hole is formed in one side of the lifting frame, a vertical guide post is fixedly arranged on the through hole of the lifting frame through clearance fit, a vertical through hole is formed in the other side of the lifting frame, a rotating rod is fixedly arranged on the through clearance fit, the rotating rod penetrates through a top fixed plate and is fixedly welded with a, an output shaft of the motor is horizontal, a driving gear is fixed on the output shaft of the motor through a key pin in a matching way, and the driving gear is meshed with a driven gear; a cover plate is fixed on one side of the lifting frame through welding, a U-shaped groove is formed in the outer side of the cover plate, a lifting ring is movably connected and fixed on the U-shaped groove of the cover plate, and a bell-jar rotor is fixed at the bottom of the lifting ring through welding.

As a further aspect of the present invention: the bell jar rotor is located the bottom welded fastening of rings and is had reducing gear, and the apron top is fixed with a plurality of horizontally reducing gear through the bearing, and a plurality of reducing gear passes through multistage meshing and connects in the dwang, rotates through the motor and drives the dwang and rotate, and the dwang passes through multistage reducing gear and drives the horizontal circular motion of bell jar rotor, evenly arranges the through-hole on the bell jar rotor surface, and the hole diameter is 10-20 mm.

As a further aspect of the present invention: the reduction gear at the bottom of the lifting ring can be separated from other gears by lifting the cover plate, and the reduction gear is completely meshed when the lifting ring is embedded on the cover plate.

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

(1) the designed fixed up-down lifting structure avoids the influence of vibration on the refining effect of the molten aluminum caused by the operation of the equipment.

(2) The refining agent can be sent to each position of the aluminum liquid, so that the refining agent is fully contacted with the aluminum liquid, and the refining quality of the aluminum liquid is improved.

(3) The labor intensity is reduced, and the production efficiency is improved.

(4) Simple structure, convenient manufacture and low cost.

Drawings

FIG. 1 is a schematic structural view of a bell type smelting apparatus.

FIG. 2 is a schematic structural view of a bell jar rotor in a bell jar type smelting apparatus.

Fig. 3 is a top view of a cover plate in a bell jar smelting unit.

As shown in the figure: 1. a fixed base; 2. a screw rod; 3. a motor; 4. a hoisting ring; 5. a cover plate; 6. a bell jar rotor; 7. a guide post; 8. a hoisting frame; 9. a driving gear; 10. a driven gear; 11. rotating the rod; 12. a reduction gear; 13. and (7) fixing the plate.

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 to 3, in an embodiment of the present invention, a bell jar type smelting device includes a fixing base 1, a screw rod 2, a motor 3, a hanging ring 4, a cover plate 5 and a bell jar rotor 6, where the fixing base 1 is a base welded and fixed by a cylinder support frame and a circular plate, a plurality of vertical reinforcing plates are welded and fixed between the cylinder side surface of the fixing base 1 and the circular plate, a vertical screw rod 2 is welded and fixed in the middle of the upper portion of the fixing base 1, threads are distributed on the outer portion of the screw rod 2, horizontal fixing plates 13 are welded and fixed on the upper and lower ends of the screw rod 2, a lifting frame 8 is fixed on the screw rod 2 through threaded connection, a vertical through hole is opened on one side of the lifting frame 8, a vertical guide post 7 is fixed on the through clearance fit on the through hole of the lifting frame 8, a vertical through hole is opened on the other side of the lifting frame 8, a rotating rod 11, the rotating rod 11 penetrates through the top fixing plate 13 and is fixedly welded with the driven gear 10, the motor 3 is fixedly connected above the top fixing plate 13 of the screw rod 2 through screws, the output shaft of the motor 3 is horizontal, the output shaft of the motor 3 is fixedly matched with the driving gear 9 through a key pin, and the driving gear 9 is meshed with the driven gear 10; a cover plate 5 is fixed on one side of the lifting frame 8 through welding, a U-shaped groove is formed in the outer side of the cover plate 5, a lifting ring 4 is movably connected and fixed on the U-shaped groove of the cover plate 5, and a bell-jar rotor 6 is fixed at the bottom of the lifting ring 4 through welding.

The bell jar rotor 6 is located the bottom welded fastening of rings 4 and is had reducing

gear

12, and 5 tops of apron are fixed with a plurality of horizontally reducing gear 12 through the bearing, and a plurality of reducing gear 12 connects in dwang 11 through multistage meshing, rotates through motor 3 and drives dwang 11 and rotate, and dwang 11 drives the horizontal circular motion of bell jar rotor 6 through multistage reducing gear 12.

The reduction gear 12 at the bottom of the suspension ring 4 can be separated from the other gears by lifting the cover plate 5, and the reduction gear 12 is completely engaged when the suspension ring 4 is embedded in the cover plate 5.

Through holes with the diameter of 10-20mm are uniformly distributed on the surface of the bell jar rotor 6.

The utility model discloses a theory of operation is: before refining, a proper amount of refining agent is wrapped by aluminum foil and pressed into the bell jar rotor 6. The arrangement is transferred to the proper place beside the smelting furnace by means of a travelling crane through the hoisting ring 4. And heating the molten aluminum to 720-740 ℃ during refining, and keeping the temperature in the range all the time. The bell jar rotor 6 is pressed into the depth of 50-100 mm at the bottom of the crucible by adjusting the position of the cover plate 5, and the bell jar is driven by the motor 3 to rotate and slowly perform circular motion. And lifting the cover plate 5 until no bubbles exist in the aluminum liquid so as to enable the bell jar rotor 6 to leave the aluminum liquid. And standing the aluminum liquid for 5-8 minutes to enable the residual impurities to continuously float upwards, and fishing out floating slag on the surface of the aluminum liquid.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A bell jar type smelting device comprises a fixed base (1), a screw rod (2), a motor (3), a lifting ring (4), a cover plate (5) and a bell jar rotor (6), and is characterized in that the fixed base (1) is a base welded and fixed by a cylindrical support frame and a circular plate, a plurality of vertical reinforcing plates are welded and fixed between the cylindrical side surface of the fixed base (1) and the circular plate, the vertical screw rod (2) is welded and fixed in the middle of the upper part of the fixed base (1), threads are distributed on the outer part of the screw rod (2), horizontal fixing plates (13) are respectively welded and fixed at the upper end and the lower end of the screw rod (2), a lifting frame (8) is fixedly connected on the screw rod (2) through threads, a vertical through hole is formed in one side of the lifting frame (8), a vertical guide post (7) is fixed on the through clearance fit on the through hole of the lifting frame (8), a vertical through hole is formed in the other side of the lifting frame (8), a rotating rod (11) is fixed on the through hole in a clearance fit mode, the rotating rod (11) penetrates through a top fixing plate (13) and is fixedly welded with a driven gear (10), a motor (3) is fixedly connected above the top fixing plate (13) of the spiral rod (2) through a screw, an output shaft of the motor (3) is horizontal, a driving gear (9) is fixedly matched on the output shaft of the motor (3) through a key pin, and the driving gear (9) is meshed with the driven gear (10); a cover plate (5) is fixed on one side of the lifting frame (8) through welding.

2. The bell-type smelting device according to claim 1, wherein a U-shaped groove is formed in the outer side of the cover plate (5), a hanging ring (4) is movably connected and fixed to the U-shaped groove of the cover plate (5), and a bell rotor (6) is welded and fixed to the bottom of the hanging ring (4).

3. A bell-jar smelting unit according to claim 2, characterized in that the bell-jar rotor (6) is fixed with a reduction gear (12) by welding at the bottom of the suspension ring (4), a plurality of horizontal reduction gears (12) are fixed above the cover plate (5) by bearings, and a plurality of reduction gears (12) are connected to the rotating rod (11) by multi-stage meshing.

4. Bell-jar smelting unit according to claim 1, in which the reduction gear (12) at the bottom of the suspension ring (4) can be separated from the other gears by lifting the cover (5), the reduction gear (12) being fully engaged when the suspension ring (4) is embedded in the cover (5).

5. Bell-jar smelting unit according to claim 2, in which the bell-jar rotor (6) has uniformly distributed through-holes with a diameter of 10-20mm on its surface.