Magnesium alloy smelting furnace

Abstract

The utility model relates to the technical field of smelting furnaces, and discloses a magnesium alloy smelting furnace. The crucible is fixedly arranged in the heat preservation shell, the heat preservation cover is located above the heat preservation shell, the heating device is fixedly arranged on the outer side of the crucible, the rotating shaft is located in the crucible and connected with a shaft sleeve fixedly arranged on a fixing frame, a gear is installed at the top of the rotating shaft, and stirring blades are installed at the bottom of the rotating shaft. By means of the crucible fixedly arranged in the heat preservation shell and the heating device fixedly arranged on the outer side of the crucible, magnesium alloy is put into the crucible and heated through the heating device to be smelted, the motor drives the gear to drive the stirring blades at the bottom of the rotating shaft, the liquid magnesium alloy is stirred and evenly heated, and bubbles generated during smelting can be discharged. The problems of impurities, bubbles and uneven heating reaction can be effectively solved, and accidents of scalding personnel can be reduced due to the effect of the heat preservation layer.

Description

TECHNICAL FIELD

[0001] The utility model relates to smelting furnace technical field, concretely is a magnesium alloy smelting furnace. BACKGROUND

[0002] The smelting furnace is a kind of equipment for heating metal or non-metallic material to melting state.In industrial production, smelting furnace is widely used in casting, metallurgy, glass manufacturing and other fields, and is indispensable key equipment in these industries.

[0003] The existing smelting furnace, because vacuum smelting furnace requires high, cost is high, so it is mostly in the non-vacuum environment to magnesium alloy smelting, therefore will cause the impurity and oxygen in air to react with magnesium alloy, there will also be the product quality decline problem caused by uneven heating. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of prior art, the utility model provides a magnesium alloy smelting furnace, solves the problems mentioned in the above background.

[0005] The utility model provides the following technical scheme:

[0006] The heat preservation shell, the crucible fixedly arranged in the heat preservation shell, the heat preservation cover located above the heat preservation shell and the heating device fixedly arranged outside the crucible;

[0007] Further comprising: the rotating shaft is located in the crucible, the rotating shaft is connected with the shaft sleeve fixedly arranged on the fixed frame, the rotating shaft is provided with a gear on the top and a stirring blade on the bottom;

[0008] The heat preservation cover is provided with a waist hole allowing the rotating shaft to pass through on the top, and the flow guide baffle is fixedly arranged on the bottom of the heat preservation cover, and the flow guide baffle is provided with the same waist hole allowing the rotating shaft to pass through as the heat preservation cover;

[0009] One side of the flow guide baffle is provided with a flow guide groove in a hollow structure, and the other side is a circular baffle with the same size as the top of the crucible;

[0010] Two groups of support frames are arranged on the cross frame in the heat preservation shell, and two groups of fixed frames are fixedly arranged above the support frames, one group is arranged in the heat preservation cover, and the other group is fixed on the top of the support frame above the heat preservation cover.

[0011] Further, one side of the top of the heat preservation shell is provided with a connecting frame A, the connecting frame A is provided with a groove matched with the convex column fixedly arranged on the connecting frame B, and the connecting frame A and the connecting frame B are connected through the groove.

[0012] Further, the top of the heat preservation cover is also provided with two groups of waist holes allowing the support frame to pass through.

[0013] Further, the fixed frame on the top of the support frame is fixedly provided with a motor, and a set of gears is further arranged on the driving end of the motor and matched with the gears arranged on the top end of the rotating shaft to be in transmission connection.

[0014] Further, a groove matched with the flow guide baffle is arranged on the side of the heat preservation shell away from the connecting frame A, and a groove with the same size is arranged on the crucible to cooperate with the flow guide baffle.

[0015] Further, a handle is further fixedly arranged on the side of the heat preservation cover away from the connecting frame B.

[0016] Further, two sets of corresponding grooves are arranged on the inner wall of the shaft sleeve, and the grooves are arranged with the ball bearings.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] The utility model discloses a magnesium alloy smelting device, which comprises a support frame, a heat preservation shell, a heat preservation cover, a connecting frame A, a connecting frame B, a crucible, a heating device, a motor, a rotating shaft, a stirring blade, a flow guide baffle and a shaft sleeve. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the utility model;

[0020] Figure 2 It is an exploded view of the utility model structure;

[0021] Figure 3 It is a support frame structure view of the utility model;

[0022] Figure 4 It is a shaft sleeve structure view of the utility model.

[0023] In the figure: 1, heat preservation shell; 2, crucible; 3, heating device; 4, rotating shaft; 5, flow baffle; 6, heat preservation cover; 7, connecting frame A; 8, handle; 9, gear; 10, motor; 11, support frame; 12, fixed frame; 13, stirring blade; 14, shaft sleeve; 15, connecting frame B; 16, ball bearing. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Please refer to Figures 1-4 , including: heat preservation shell 1, crucible 2 fixed inside heat preservation shell 1, heat preservation cover 6 located above heat preservation shell 1 and heating device 3 fixed outside crucible 2; still including: recess is set up in heat preservation shell 1, heat preservation layer is set up on the inner wall of recess, crucible 2 is also fixed in recess, heat preservation shell 1 is fixed with crucible 2 in its inside through bottom support and four groups of horizontal frames set up inside, heating device 3 is set up outside crucible 2 below horizontal frame, for heating magnesium alloy placed in the inside of crucible 2. Two groups of support frames 11 are set up on horizontal frame in heat preservation shell 1, two groups of fixed frames 12 are set up above support frame 11, one group is set up inside heat preservation cover 6, another group is set up above two groups of waist holes set up on the top of heat preservation cover 6 and allowing support frame 11 to pass through, support frame 11 top passes through heat preservation cover 6 and is fixedly connected with fixed frame 12; circular hole with the same size as rotating shaft 4 is set up on fixed frame 12, shaft sleeve 14 is also fixed on one group of fixed frames 12 in heat preservation cover 6. Gear 9 installed on the top of rotating shaft 4 passes through the circular hole set up on fixed frame 12 and cooperates with another group of gear 9 installed on the one side of motor 10 driving end, stirring blade 13 is also installed on the bottom of crucible 2 in rotating shaft 4, for stirring magnesium alloy in crucible 2, so that it is heated evenly. Convex block is also set up on the middle part of rotating shaft 4 and cooperates with shaft sleeve 14, two groups of corresponding recesses are set up on the inner wall of shaft sleeve 14, ball bearing 16 is also set up in recess, ball bearing 16 cooperates with rotating shaft 4 and can reduce the friction of rotating shaft 4 with shaft sleeve 14 when rotating.

[0026] The top of the heat preservation cover 6 is also provided with a waist hole allowing the rotating shaft 4 to pass through, one side of the flow guide baffle 5 is provided with a flow guide groove in a hollow structure, and the other side is a circular baffle with the same size as the top of the crucible 2; the flow guide baffle 5 is fixedly arranged on the bottom of the heat preservation cover 6, and the circular baffle of the flow guide baffle 5 is provided with a waist hole allowing the rotating shaft 4 to pass through, which is the same as the heat preservation cover 6. One side of the top of the heat preservation shell 1 is provided with a connecting frame A7, the connecting frame A7 is provided with a groove matched with a protruding column fixedly arranged on the connecting frame B15, and the connecting frame A7 and the connecting frame B15 are connected and matched through the groove; when the connecting frame A7 and the connecting frame B15 are matched and the cover is opened, the rotating shaft 4 in the heat preservation cover 6 and the two groups of supporting frames 11 can move in the waist hole arranged above and the position is not blocked; when the flow guide baffle 5 fixedly arranged on the bottom of the heat preservation cover 6 contacts one group of fixed frames 12 above the heat preservation shell 1, the flow guide baffle 5 can also play a limiting role. The heat preservation shell 1 is provided with a groove matched with the flow guide baffle 5 on the side away from the connecting frame A7, and the crucible 2 is provided with a groove with the same size matched with the flow guide baffle 5, so that when the heat preservation cover 6 is closed, the circular baffle on one side of the flow guide baffle 5 can be matched with the top of the crucible 2, so that the flow guide baffle 5 can reduce the excessive contact of the magnesium alloy in the crucible 2 with air during processing, thereby generating impurities.

[0027] Before processing, the handle 8 fixedly arranged on the side of the heat preservation cover 6 away from the connecting frame B15 is used to open the heat preservation cover 6, and the magnesium alloy to be processed is placed in the crucible 2; then the heat preservation cover 6 is lowered, and the flow guide baffle 5 is matched with the grooves arranged on the heat preservation shell 1 and the crucible 2, which can effectively reduce the excessive contact with air during the heating process and affect the smelting efficiency. The inside is heated by using the heating device 3, the magnesium alloy is melted when it reaches a certain temperature, the two groups of gears 9 are driven by the motor 10, the stirring blade 13 at the bottom of the rotating shaft 4 rotates, the liquid magnesium alloy in the crucible 2 is stirred, the bubbles and impurities generated at the bottom float up, which is convenient for subsequent cleaning and reduces the influence on the product quality. After the smelting is completed, the flow guide groove arranged on one side of the flow guide baffle 5 can pour out the liquid magnesium alloy without opening the heat preservation cover 6, which can effectively reduce the occurrence of scalding accidents. According to the design, the smelting furnace as a whole can follow the tilting rotation and will not collide internally, and can be matched with most tilting devices.

[0028] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A magnesium alloy smelting furnace, comprising: The heat-insulating shell (1), the crucible (2) fixed inside the heat-insulating shell (1), the heat-insulating cover (6) located above the heat-insulating shell (1), and the heating device (3) fixed outside the crucible (2). The feature is that it further includes: a rotating shaft (4) located inside the crucible (2), the rotating shaft (4) being connected to a bushing (14) fixed on the fixed frame (12), a gear (9) being installed at the top of the rotating shaft (4), and a stirring blade (13) being installed at the bottom. The top of the heat insulation cover (6) is provided with a waist hole that allows the rotating shaft (4) to pass through. The flow guide baffle (5) is fixed to the bottom of the heat insulation cover (6). The flow guide baffle (5) is provided with the same waist hole as the heat insulation cover (6) that allows the rotating shaft (4) to pass through. One side of the flow guide baffle (5) is a hollow structure with a flow guide groove, and the other side is a circular baffle with the same size as the top of the crucible (2); Two sets of support frames (11) are provided on the cross frame inside the heat insulation shell (1). Two sets of fixing frames (12) are fixed above the support frames (11). One set is located inside the heat insulation cover (6), and the other set is located above the heat insulation cover (6) and fixed to the top of the support frame (11).

2. The magnesium alloy smelting furnace according to claim 1, characterized in that, A connecting frame A (7) is provided on one side of the top of the heat insulation shell (1). A groove is provided on the connecting frame A (7) to cooperate with the protrusion fixed on the connecting frame B (15). The connecting frame A (7) and the connecting frame B (15) are connected through the groove.

3. A magnesium alloy smelting furnace according to claim 1, characterized in that, The top of the heat-insulating cover (6) also has two sets of waist holes that allow the support frame (11) to pass through.

4. A magnesium alloy smelting furnace according to claim 1, characterized in that, On the fixed frame (12) fixed at the top of the support frame (11), a motor (10) is installed. A set of gears (9) is also provided on the drive end of the motor (10), which cooperates with the gear (9) installed at the top of the rotating shaft (4) for transmission connection.

5. A magnesium alloy smelting furnace according to claim 1, characterized in that, The heat-insulating shell (1) has a groove on the side away from the connecting frame A (7) that matches the flow guide baffle (5), and the crucible (2) has a groove of the same size that matches the flow guide baffle (5).

6. A magnesium alloy smelting furnace according to claim 1, characterized in that, A handle (8) is also fixed on the side of the heat insulation cover (6) away from the connecting frame B (15).

7. A magnesium alloy smelting furnace according to claim 1, characterized in that, Two sets of corresponding grooves are provided on the inner wall of the bushing (14), and ball bearings (16) are installed in the grooves.

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