阅读说明：本技术 一种铝型材冶炼炉 (Aluminum profile smelting furnace ) 是由 张国林 胡云垒 于 2021-08-19 设计创作，主要内容包括：本发明属于冶炼设备技术领域,具体的说是一种铝型材冶炼炉,包括炉体、炉盖、第一加热室和第二加热室；所述炉体侧壁倾斜设置,所述炉体侧壁靠近顶端位置均布有进料口；所述炉盖设置在炉体顶端；通过设置第一加热室、第二加热室、进料口和引料板,使得炉体内的物料内外均匀全面的受热,解决了传统冶炼炉工作时中间部分的物料因堆积厚度过大受热不及时,总是后熔化的问题,提高了工作效率；通过设置电机转轴和凸块,使得外部向炉体内添加物料的同时,电机转轴带动炉盖转动最终带动第二加热室转动,进而使第二加热室侧壁外表面及凸块在转动过程中打散卡住的物料,保证物料能顺利滚落到炉体底端上表面,进一步提高了本发明的工作效率。(The invention belongs to the technical field of smelting equipment, and particularly relates to an aluminum profile smelting furnace which comprises a furnace body, a furnace cover, a first heating chamber and a second heating chamber; the side wall of the furnace body is obliquely arranged, and feed inlets are uniformly distributed at the position, close to the top end, of the side wall of the furnace body; the furnace cover is arranged at the top end of the furnace body; by arranging the first heating chamber, the second heating chamber, the feeding port and the material guiding plate, the inside and the outside of the material in the furnace body are uniformly and comprehensively heated, the problem that the material in the middle part is not heated timely due to overlarge stacking thickness when the traditional smelting furnace works and is always melted later is solved, and the working efficiency is improved; through the arrangement of the motor rotating shaft and the lug, when materials are added into the furnace body from the outside, the motor rotating shaft drives the furnace cover to rotate, and finally drives the second heating chamber to rotate, so that the outer surface of the side wall of the second heating chamber and the lug break up the clamped materials in the rotating process, the materials are guaranteed to smoothly roll onto the upper surface of the bottom end of the furnace body, and the working efficiency of the heating furnace is further improved.)

1. The utility model provides an aluminium alloy smelting furnace which characterized in that: comprises a furnace body (1), a furnace cover (2), a first heating chamber (3) and a second heating chamber (4); the side wall of the furnace body (1) is obliquely arranged, and feed inlets (11) are uniformly distributed at the position, close to the top end, of the side wall of the furnace body (1); the furnace cover (2) is arranged at the top end of the furnace body (1); a connecting block (21) is fixedly arranged in the middle of the lower surface of the furnace cover (2), and the lower surface of the connecting block (21) is parallel to the bottom end of the feeding hole (11); the first heating chamber (3) is arranged on the outer surface of the side wall and the bottom end of the furnace body (1), and the first heating chamber (3) is in shape matching contact with the furnace body (1); the feed port (11) is positioned higher than the upper surface of the top end of the first heating chamber (3); the second heating chamber (4) is fixedly arranged on the lower surface of the connecting block (21), and the lower surface of the bottom end of the second heating chamber (4) is close to the middle position inside the furnace body (1).

2. The aluminum profile smelting furnace according to claim 1, characterized in that: a material guiding plate (12) is fixedly arranged on the inner surface of the side wall of the furnace body (1) close to the top end of the feeding hole (11), and the side wall of the material guiding plate (12) close to the second heating chamber (4) is vertically downward; the height of the guide plate (12) is greater than that of the feed port (11).

3. The aluminum profile smelting furnace according to claim 2, characterized in that: the side wall of the second heating chamber (4) is parallel to the side wall of the furnace body (1), and the corresponding distances between the outer surface of the side wall of the second heating chamber (4) and the lower surface of the bottom end of the side wall of the second heating chamber are equal to the corresponding distances between the inner surface of the side wall of the furnace body (1) and the upper surface of the bottom end of the side wall of the furnace body.

4. The aluminum profile smelting furnace according to claim 3, characterized in that: a motor rotating shaft (22) is fixedly arranged in the middle of the upper surface of the furnace cover (2); the furnace cover (2) is rotatably connected with the top end of the furnace body (1).

5. The aluminum profile smelting furnace according to claim 4, characterized in that: a plurality of lugs (41) are fixedly arranged on the outer surface of the side wall of the second heating chamber (4), and the lugs (41) are arranged between two adjacent layers in a staggered manner; the bump (41) is made of the same material as the second heating chamber (4).

6. The aluminum profile smelting furnace according to claim 5, characterized in that: the cross section of the convex block (41) is triangular, and the surface, close to the furnace cover (2), on the convex block (41) is inclined downwards.

Technical Field

The invention belongs to the technical field of smelting equipment, and particularly relates to an aluminum profile smelting furnace.

Background

An alloy based on aluminum with a certain amount of other alloying elements added is one of light metal materials. The aluminum alloy has higher strength, specific strength close to high alloy steel, specific rigidity superior to steel, good casting performance and plastic processing performance, good electric conduction and heat conduction performance, good corrosion resistance and weldability, can be used as a structural material, and has wide application in aerospace, aviation, transportation, construction, electromechanics, lightening and daily necessities. Along with the rapid development of scientific technology and industrial economy in recent years, the demand for aluminum alloy welded structural parts is increasing day by day, a smelting furnace is required to be used for smelting aluminum ores when aluminum is produced, materials are required to be added into a furnace body when a traditional aluminum profile smelting furnace works, and after outer-layer materials are melted, inner-layer materials are melted, so that the production efficiency is low.

The technical scheme of the aluminum profile smelting furnace is provided in the prior art, and a Chinese patent with the application number of CN2019102209067 discloses the aluminum profile smelting furnace which comprises a smelting furnace and a combustion chamber, wherein a feeding channel is fixedly connected to one side of the smelting furnace, the top of the feeding channel is connected with a storage channel, a thrust spring is fixedly connected to the inner wall of the feeding channel, one end of the thrust spring is connected with a movable plate, the top of the right side of the movable plate is fixedly connected with a top plate, and a T-shaped channel is formed in the right side of the movable plate; according to the invention, by arranging the material storage channel, the feeding channel, the air injection channel, the communicating pipe and the moving plate, the moving plate pushes the material into the melting furnace by guiding hot gas in the combustion chamber into the feeding channel, and in the process of pushing the material, the material is preheated by the hot gas, meanwhile, the moving plate is pushed once, and the material in the material storage channel falls once, so that the effects of automatic material supplementing, interval blanking and raw material preheating are realized, and the smelting efficiency and the safety of workers are improved; however, the above patents still have the defects that the combustion chamber is arranged below the smelting furnace, the combustion chamber is only contacted with the bottom end of the smelting furnace, materials cannot be uniformly heated well, the working efficiency of the smelting furnace is reduced, and the technical scheme is limited.

In view of the above, the present invention provides an aluminum profile smelting furnace to solve the above technical problems.

Disclosure of Invention

The invention provides an aluminum profile smelting furnace, which aims to make up for the defects of the prior art and solve the problem that the production efficiency is low because the outer layer material melts only after the inner layer material melts due to uneven heating in the existing aluminum profile smelting furnace during smelting.

The technical scheme adopted by the invention for solving the technical problems is as follows: an aluminum profile smelting furnace comprises a furnace body, a furnace cover, a first heating chamber and a second heating chamber; the side wall of the furnace body is obliquely arranged, and feed inlets are uniformly distributed at the position, close to the top end, of the side wall of the furnace body; the furnace cover is arranged at the top end of the furnace body; the middle position of the lower surface of the furnace cover is fixedly provided with a connecting block, and the lower surface of the connecting block is parallel to the bottom end of the feed port; the first heating chamber is arranged on the outer surface of the side wall and the bottom end of the furnace body, and the first heating chamber is in matched contact with the furnace body in shape; the feed inlet is positioned higher than the upper surface of the top end of the first heating chamber; the second heating chamber is fixedly arranged on the lower surface of the connecting block, and the lower surface of the bottom end of the second heating chamber is close to the middle position inside the furnace body.

When the furnace body is in operation, materials are conveyed into the furnace body from the feeding hole in the side wall of the furnace body, and the materials roll down from the feeding hole along the side wall of the furnace body due to the inclination of the side wall of the furnace body and roll to a position close to the center of the upper surface of the bottom end of the furnace body under the influence of gravity; continuously adding the materials, gradually filling the space between the upper surface of the bottom end of the furnace body and the lower surface of the bottom end of the second heating chamber with the materials, and then accumulating the materials in the space between the inner surface of the side wall of the furnace body and the outer surface of the side wall of the second heating chamber; when materials are accumulated to be close to the bottom end of the feeding port, the feeding is stopped, the first heating chamber wraps the outer surface of the side wall of the furnace body and the outer surface of the bottom end of the furnace body externally, namely, the materials are transferred from outside to inside, and the second heating chamber is wrapped by the materials in the furnace body, namely, the materials are transferred from inside to outside, so that the materials in the furnace body are uniformly and comprehensively heated, the material melting speed is increased, and the production efficiency is improved; meanwhile, the second heating chamber inside the furnace body occupies the accumulated materials at the position in the traditional smelting furnace, the problems that the part, close to the side wall of the furnace body, in the materials is melted by heating first, but the middle part is heated untimely due to the overlarge accumulation thickness and is always in a molten state are solved, and the working efficiency is further improved.

Preferably, a material guiding plate is fixedly installed on the inner surface of the side wall of the furnace body, which is close to the top end of the feeding hole, and the material guiding plate is vertically downward close to the side wall of the second heating chamber; the height of the guide plate is greater than that of the feed inlet.

When the furnace body is in work, when materials are conveyed into the furnace body from the feeding hole in the side wall of the furnace body, the materials are firstly blocked by the material guiding plate after entering the feeding hole, and finally fall onto the inclined side wall of the furnace body again and roll downwards under the guiding action of the material guiding plate, so that the problem that when the conveying speed of external materials is too high, the materials do not roll downwards along the side wall of the furnace body, but fall into the upper surface of the bottom end of the furnace body from the feeding hole in a parabola shape after being separated from the inclined plane of the side wall, even part of the materials collide with the connecting block or the outer surface of the side wall of the second heating chamber and then fall into the upper surface of the bottom end of the furnace body, further the abrasion of the furnace body and the second heating chamber is aggravated, meanwhile, the bad phenomenon that the lower surface of the bottom end of the second heating chamber and the upper surface of the bottom end of the furnace body are not filled with the materials occurs, the problems are avoided due to the arrangement of the material guiding plate, and the working efficiency and the service life of the furnace body are improved; the height of the material guiding plate is larger than that of the feeding hole, so that the materials input from the feeding hole are completely blocked by the material guiding plate and guided to the inclined side wall of the furnace body, and the working stability of the furnace is improved.

Preferably, the side wall of the second heating chamber is parallel to the side wall of the furnace body, and the corresponding distances between the outer surface of the side wall of the second heating chamber and the lower surface of the bottom end of the side wall of the second heating chamber and the inner surface of the side wall of the furnace body and the upper surface of the bottom end of the side wall of the furnace body are equal.

When the furnace body is in work, after the space between the upper surface of the bottom end of the furnace body and the lower surface of the bottom end of the second heating chamber is filled with materials, the materials are accumulated in the space between the inner surface of the side wall of the furnace body and the outer surface of the side wall of the second heating chamber, the side wall of the second heating chamber is parallel to the side wall of the furnace body, so that the space between the side wall of the second heating chamber and the side wall of the furnace body cannot be changed, the first heating chamber and the second heating chamber conduct uniform heat transfer on the materials in the first heating chamber and the second heating chamber, and the melting rate of the materials is improved; meanwhile, the distance between the lower surface of the bottom end of the second heating chamber and the upper surface of the bottom end of the furnace body is the same as the distance, so that materials accumulated in the whole furnace body are heated more uniformly, and the working efficiency of the invention is further improved.

Preferably, a motor rotating shaft is fixedly arranged in the middle of the upper surface of the furnace cover; the furnace cover is rotatably connected with the top end of the furnace body.

When the furnace body is in operation, materials are conveyed into the furnace body from the feeding hole in the side wall of the furnace body, the motor rotating shaft drives the furnace cover to rotate, the furnace cover rotates to drive the second heating chamber to rotate, and the second heating chamber rotates to enable the part of the materials clamped between the inner surface of the side wall of the furnace body and the outer surface of the side wall of the second heating chamber to move and scatter in the rolling process due to accidental reasons such as irregular shapes and the like, so that the materials fall onto the upper surface of the bottom end of the furnace body; the problem that materials are not filled in the furnace body because the inner surface of the side wall of the furnace body and the outer surface of the side wall of the second heating chamber are blocked is solved, and the working efficiency of the invention is improved; meanwhile, the materials are softened when being heated to be close to the melting temperature, and the rotation of the second heating chamber plays a certain role in stirring the softened materials, so that the heat transfer efficiency is improved, namely the working efficiency of the invention is further improved.

Preferably, a plurality of bumps are fixedly arranged on the outer surface of the side wall of the second heating chamber, and the bumps are arranged between two adjacent layers in a staggered manner; the bump material is the same as the second oven material.

When the furnace works, the arrangement of the convex blocks increases the heat conduction area of the outer surface of the side wall of the second heating chamber, namely the heating area of materials in the furnace body is increased, and the melting rate of the materials is improved; meanwhile, the lugs are arranged between the two adjacent layers in a staggered manner, so that the lugs can more easily break up the clamped materials when rotating along with the second heating chamber, smoothness of downward rolling of the materials is recovered, and working efficiency of the invention is improved; meanwhile, the lug rotates to push the materials to the spaces at two sides below the feeding hole, so that the materials in the furnace body are more uniformly stacked, and the space utilization efficiency is improved; and the lug enhances the stirring effect on the materials which become soft when the temperature is close to the melting temperature, thereby further improving the working efficiency of the invention.

Preferably, the section of the bump is triangular, and the surface of the bump, which is close to the furnace cover, is inclined downwards.

When the furnace body is in work, the cross section of the lug is triangular, so that the area of one end of the lug, which is close to the inner surface of the side wall of the furnace body, is the smallest, namely the friction area for the material to be clamped between the lug and the inner surface of the side wall of the furnace body is the smallest, the probability of material clamping is reduced, and the working efficiency is improved; the surface of the lug, which is close to the furnace cover, is inclined downwards, so that the melted material on the lug can flow downwards along the surface of the lug and drip, and the waste of the material caused by the fact that part of the melted material is left at the joint of the lug and the outer surface of the side wall of the first heating chamber is avoided; meanwhile, the surface of the solidified material is prevented from reacting with air to generate a high-temperature-resistant alumina film, the heat conduction efficiency of the second heating chamber is finally reduced, and the working stability of the invention is improved.

The invention has the following beneficial effects:

1. according to the aluminum profile smelting furnace, the first heating chamber, the second heating chamber, the feeding hole and the material guiding plate are arranged, so that materials in the furnace body are uniformly and comprehensively heated inside and outside, the problem that the materials in the middle part of the traditional smelting furnace are not heated timely due to overlarge stacking thickness during working and are always melted later is solved, and the working efficiency is improved.

2. According to the aluminum profile smelting furnace, the motor rotating shaft and the lug are arranged, so that when materials are added into the furnace body from the outside, the furnace cover is driven by the motor rotating shaft to rotate, and finally the second heating chamber is driven to rotate, the outer surface of the side wall of the second heating chamber and the lug are scattered in the rotating process, the materials can be guaranteed to smoothly roll onto the upper surface of the bottom end of the furnace body, and the working efficiency of the aluminum profile smelting furnace is further improved.

Drawings

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

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a perspective view of a second heating chamber of the present invention;

in the figure: furnace body 1, feed inlet 11, draw flitch 12, bell 2, connecting block 21, motor shaft 22, first heating chamber 3, second heating chamber 4, lug 41.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 3, the aluminum profile smelting furnace according to the present invention comprises a furnace body 1, a furnace cover 2, a first heating chamber 3 and a second heating chamber 4; the side wall of the furnace body 1 is obliquely arranged, and feed inlets 11 are uniformly distributed on the side wall of the furnace body 1 close to the top end; the furnace cover 2 is arranged at the top end of the furnace body 1; a connecting block 21 is fixedly arranged in the middle of the lower surface of the furnace cover 2, and the lower surface of the connecting block 21 is parallel to the bottom end of the feeding hole 11; the first heating chamber 3 is arranged on the outer surface of the side wall and the bottom end of the furnace body 1, and the first heating chamber 3 is in matched contact with the furnace body 1 in shape; the feed port 11 is positioned higher than the upper surface of the top end of the first heating chamber 3; the second heating chamber 4 is fixedly arranged on the lower surface of the connecting block 21, and the lower surface of the bottom end of the second heating chamber 4 is close to the middle position inside the furnace body 1.

When the furnace body 1 is in work, materials are conveyed into the furnace body 1 from the feeding hole 11 on the side wall of the furnace body 1, and the materials start to roll down along the side wall of the furnace body 1 from the feeding hole 11 due to the inclination of the side wall of the furnace body 1 and roll to a position close to the center of the upper surface of the bottom end of the furnace body 1 under the influence of gravity; continuously adding the materials, gradually filling the space between the upper surface of the bottom end of the furnace body 1 and the lower surface of the bottom end of the second heating chamber 4 with the materials, and then accumulating the materials in the space between the inner surface of the side wall of the furnace body 1 and the outer surface of the side wall of the second heating chamber 4; when materials are accumulated near the bottom end of the feeding hole 11, feeding is stopped, the first heating chamber 3 is externally wrapped on the outer surface of the side wall and the outer surface of the bottom end of the furnace body 1, namely, the materials are transferred from outside to inside, and the second heating chamber 4 is wrapped by the materials in the furnace body 1, namely, the materials are transferred from inside to outside, so that the materials in the furnace body 1 are uniformly and comprehensively heated, the material melting speed is increased, and the production efficiency is improved; meanwhile, the second heating chamber 4 in the furnace body 1 occupies the accumulated materials at the position in the traditional smelting furnace, so that the problem that the parts, close to the side wall of the furnace body 1, in the materials are melted by heating first, but the middle parts are heated untimely due to overlarge accumulated thickness and always become molten is solved, and the working efficiency is further improved.

As an embodiment of the invention, a material guiding plate 12 is fixedly installed on the inner surface of the side wall of the furnace body 1 near the top end of the feeding hole 11, and the material guiding plate 12 is vertically downward near the side wall of the second heating chamber 4; the height of the said guide plate 12 is greater than the height of the feed inlet 11.

When the furnace body 1 is in operation, when materials are conveyed into the furnace body 1 from the feed inlet 11 on the side wall of the furnace body 1, the materials are firstly blocked by the material guiding plate 12 after entering the feed inlet 11, and finally fall onto the side wall of the furnace body 1 in an inclined manner again under the guiding action of the material guiding plate 12 and roll downwards, so that the problem that the materials do not roll downwards along the side wall of the furnace body 1 in an inclined manner when the conveying speed of external materials is too high is avoided, but falls into the upper surface of the bottom end of the furnace body 1 from the feeding hole 11 in a parabola shape after separating from the inclined plane of the side wall, even partial materials collide with the connecting block 21 or the outer surface of the side wall of the second heating chamber 4 and then fall into the upper surface of the bottom end of the furnace body 1, further aggravate the abrasion to the furnace body 1 and the second heating chamber 4, the bad phenomenon that the lower surface of the bottom end of the second heating chamber 4 and the upper surface of the bottom end of the furnace body 1 are not filled with materials occurs at the same time, the arrangement of the material guiding plate 12 avoids the problems, and the working efficiency and the service life of the invention are improved; the height of the material guiding plate 12 is larger than that of the feed inlet 11, so that the materials input from the feed inlet 11 are completely blocked by the material guiding plate 12 and guided to the side wall of the inclined furnace body 1, and the working stability of the invention is improved.

In one embodiment of the invention, the side wall of the second heating chamber 4 is parallel to the side wall of the furnace body 1, and the corresponding distances between the outer surface of the side wall and the lower surface of the bottom end of the second heating chamber 4 and the inner surface of the side wall and the upper surface of the bottom end of the furnace body 1 are equal.

When the furnace body is in operation, after the space between the upper surface of the bottom end of the furnace body 1 and the lower surface of the bottom end of the second heating chamber 4 is filled with materials, the materials are stacked in the space between the inner surface of the side wall of the furnace body 1 and the outer surface of the side wall of the second heating chamber 4, the side wall of the second heating chamber 4 is parallel to the side wall of the furnace body 1, so that the space between the side wall of the second heating chamber 4 and the side wall of the furnace body 1 cannot be changed, the first heating chamber 3 and the second heating chamber 4 conduct uniform heat transfer on the materials in the first heating chamber 3 and the second heating chamber 4, and the melting rate of the materials is improved; meanwhile, the distance between the lower surface of the bottom end of the second heating chamber 4 and the upper surface of the bottom end of the furnace body 1 is the same as the distance, so that the materials accumulated in the whole furnace body 1 are heated more uniformly, and the working efficiency of the invention is further improved.

As an embodiment of the invention, a motor rotating shaft 22 is fixedly arranged at the middle position of the upper surface of the furnace cover 2; the furnace cover 2 is rotatably connected with the top end of the furnace body 1.

When the furnace body 1 is in operation, materials are conveyed into the furnace body 1 from the feeding hole 11 on the side wall of the furnace body 1, meanwhile, the motor rotating shaft 22 drives the furnace cover 2 to rotate, the furnace cover 2 rotates to drive the second heating chamber 4 to rotate, and the second heating chamber 4 rotates, so that the part of the materials clamped between the inner surface of the side wall of the furnace body 1 and the outer surface of the side wall of the second heating chamber 4 can be moved and dispersed in the rolling process due to accidental reasons such as irregular shapes and the like, and then fall onto the upper surface of the bottom end of the furnace body 1; the problem that the furnace body 1 is not filled with materials because the inner surface of the side wall of the furnace body 1 and the outer surface of the side wall of the second heating chamber 4 are blocked is solved, and the working efficiency of the invention is improved; meanwhile, as the materials are softened when being heated to be close to the melting temperature, the rotation of the second heating chamber 4 plays a certain role in stirring the softened materials, thereby improving the heat transfer efficiency, namely further improving the working efficiency of the invention.

As an embodiment of the present invention, a plurality of bumps 41 are fixedly mounted on the outer surface of the sidewall of the second heating chamber 4, and the bumps 41 are alternately arranged between two adjacent layers; the bump 41 is made of the same material as the second heating chamber 4.

When the furnace body works, the arrangement of the convex blocks 41 increases the heat conduction area of the outer surface of the side wall of the second heating chamber 4, namely the heating area of materials in the furnace body 1 is increased, and the melting rate of the materials is increased; meanwhile, the lugs 41 are arranged between the two adjacent layers in a staggered manner, so that the lugs 41 can break up the clamped materials more easily when rotating along with the second heating chamber 4, smoothness of downward rolling of the materials is recovered, and working efficiency of the invention is improved; meanwhile, the lug 41 rotates to push the materials to the spaces at two sides below the feed port 11, so that the materials in the furnace body 1 are more uniformly stacked, and the space utilization efficiency is improved; and the lug 41 enhances the stirring effect on the materials which become soft when the temperature is close to the melting temperature, and further improves the working efficiency of the invention.

In one embodiment of the present invention, the projection 41 has a triangular cross section, and a surface of the projection 41 adjacent to the furnace lid 2 is inclined downward.

When the furnace body is in work, the cross section of the convex block 41 is triangular, so that the area of one end of the convex block 41 close to the inner surface of the side wall of the furnace body 1 is the smallest, namely, the friction area for the material to be clamped between the convex block 41 and the inner surface of the side wall of the furnace body 1 is the smallest, the probability of material clamping is reduced, and the working efficiency is improved; the surface of the lug 41 close to the furnace cover 2 is inclined downwards, so that the melted materials on the lug 41 can flow downwards along the surface and drip, and the phenomenon that the partially melted materials are left at the joint of the lug 41 and the outer surface of the side wall of the first heating chamber 3 to cause material waste is avoided; meanwhile, the surface of the solidified material is prevented from reacting with air to generate a high-temperature-resistant alumina film, the heat conduction efficiency of the second heating chamber 4 is finally reduced, and the working stability of the invention is improved.

The specific working process is as follows:

the material is conveyed into the furnace body 1 from the feed port 11 on the side wall of the furnace body 1, the material is firstly blocked by the material guiding plate 12 after entering the feed port 11, and finally falls onto the side wall of the inclined furnace body 1 again under the guiding action of the material guiding plate 12 and rolls downwards, so that the problem that when the conveying speed of external materials is too high, the material does not roll downwards along the side wall of the furnace body 1 in an inclined way, but falls into the upper surface of the bottom end of the furnace body 1 from the feed port 11 in a parabola shape after being separated from the inclined plane of the side wall, even part of the material collides with the connecting block 21 or the outer surface of the side wall of the second heating chamber 4 and then falls into the upper surface of the bottom end of the furnace body 1, further the abrasion to the furnace body 1 and the second heating chamber 4 is aggravated, and meanwhile, the bad phenomenon that the lower surface of the bottom end of the second heating chamber 4 and the upper surface of the bottom end of the furnace body 1 are not filled with the material occurs; after the space between the upper surface of the bottom end of the furnace body 1 and the lower surface of the bottom end of the second heating chamber 4 is filled with the material, the material is stacked in the space between the inner surface of the side wall of the furnace body 1 and the outer surface of the side wall of the second heating chamber 4, the side wall of the second heating chamber 4 is parallel to the side wall of the furnace body 1, so that the space between the side wall of the second heating chamber 4 and the side wall of the furnace body 1 cannot be changed, the first heating chamber 3 and the second heating chamber 4 conduct uniform heat transfer on the material in the furnace body, and the melting rate of the material is improved; meanwhile, the distance between the lower surface of the bottom end of the second heating chamber 4 and the upper surface of the bottom end of the furnace body 1 is the same as the distance, so that the materials accumulated in the whole furnace body 1 are heated more uniformly, and the working efficiency of the invention is further improved; when materials are conveyed into the furnace body 1 from the feeding hole 11 on the side wall of the furnace body 1, the motor rotating shaft 22 drives the furnace cover 2 to rotate, the furnace cover 2 rotates to drive the second heating chamber 4 to rotate, and the second heating chamber 4 rotates, so that the part of the materials clamped between the inner surface of the side wall of the furnace body 1 and the outer surface of the side wall of the second heating chamber 4 can move and disperse in the rolling process due to accidental reasons such as irregular shapes and the like, and then fall onto the upper surface of the bottom end of the furnace body 1; the problem that the furnace body 1 is not filled with materials because the inner surface of the side wall of the furnace body 1 and the outer surface of the side wall of the second heating chamber 4 are blocked is solved, and the working efficiency of the invention is improved; meanwhile, as the materials are softened when being heated to be close to the melting temperature, the rotation of the second heating chamber 4 plays a certain role in stirring the softened materials, thereby improving the heat transfer efficiency, namely further improving the working efficiency of the invention; the arrangement of the convex blocks 41 increases the heat conduction area of the outer surface of the side wall of the second heating chamber 4, namely the heating area of the material in the furnace body 1 is increased, and the melting rate of the material is increased; meanwhile, the lugs 41 are arranged between the two adjacent layers in a staggered manner, so that the lugs 41 can break up the clamped materials more easily when rotating along with the second heating chamber 4, smoothness of downward rolling of the materials is recovered, and working efficiency of the invention is improved; the lug 41 enhances the stirring effect on the materials which become soft when the temperature is close to the melting temperature, and further improves the working efficiency of the invention; because the section of the convex block 41 is triangular, the area of one end of the convex block 41 close to the inner surface of the side wall of the furnace body 1 is the smallest, namely the friction area for the material to be clamped between the convex block 41 and the inner surface of the side wall of the furnace body 1 is the smallest, the probability of material clamping is reduced, and the working efficiency is improved; the surface of the lug 41 close to the furnace cover 2 is inclined downwards, so that the melted materials on the lug 41 can flow downwards along the surface and drip, and the phenomenon that the partially melted materials are left at the joint of the lug 41 and the outer surface of the side wall of the first heating chamber 3 to cause material waste is avoided; meanwhile, the surface of the solidified material is prevented from reacting with air to generate a high-temperature-resistant alumina film, the heat conduction efficiency of the second heating chamber 4 is finally reduced, and the working stability of the invention is improved; the first heating chamber 3 is externally wrapped on the outer surface of the side wall and the outer surface of the bottom end of the furnace body 1, namely, the materials are transferred from outside to inside, and the second heating chamber 4 is wrapped by the materials in the furnace body 1, namely, the materials are transferred from inside to outside, so that the materials in the furnace body 1 are uniformly and comprehensively heated, the material melting speed is accelerated, and the production efficiency is improved; according to the aluminum profile smelting furnace, the first heating chamber 3, the second heating chamber 4, the feeding hole 11 and the material guiding plate 12 are arranged, so that materials in the furnace body 1 are uniformly and comprehensively heated inside and outside, the problem that materials in the middle part of the traditional smelting furnace are not heated timely due to overlarge stacking thickness when the traditional smelting furnace works and are always melted later is solved, and the working efficiency is improved; by arranging the motor rotating shaft 22 and the lug 41, when materials are added into the furnace body 1 from the outside, the motor rotating shaft 22 drives the furnace cover 2 to rotate and finally drives the second heating chamber 3 to rotate, so that the outer surface of the side wall of the second heating chamber 3 and the lug 41 break up the clamped materials in the rotating process, the materials can be ensured to smoothly roll down to the upper surface of the bottom end of the furnace body 1, and the working efficiency of the invention is further improved.

The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.