阅读说明：本技术 一种金属粉混料装置 (Metal powder mixing device ) 是由 张柯 唐跃跃 叶国晨 魏放 蒋保林 许荣玉 于 2019-11-27 设计创作，主要内容包括：一种金属粉混料装置,包括罐体、两个位于罐体内对称的梭形罐,两个梭形罐同轴,还包括散料部,散料部为球形或椭球型,与梭形罐同轴,且位于两个梭形罐中间与两个梭形罐同时连通,且两个梭形罐与散料部连通部位相对于散料部的中心对称设置；梭形罐的轴向长度是其最大直径的1.25-1.58倍；梭形罐内壁上固定导流片和螺旋导流片,螺旋导流片与梭形罐内壁接触的边与梭形罐的母线夹角在15-26度之间；所述导流片和螺旋导流片有4-8组,沿梭形罐内壁均匀间隔设置。这种混料装置,混料效率高且单次混料量大,工作稳定。(A metal powder mixing device comprises a tank body, two symmetrical shuttle-shaped tanks positioned in the tank body, wherein the two shuttle-shaped tanks are coaxial, and the metal powder mixing device also comprises a material dispersing part, wherein the material dispersing part is spherical or ellipsoidal, is coaxial with the shuttle-shaped tanks, is positioned in the middle of the two shuttle-shaped tanks and is simultaneously communicated with the two shuttle-shaped tanks, and the communicating parts of the two shuttle-shaped tanks and the material dispersing part are symmetrically arranged relative to the center of the material dispersing part; the axial length of the shuttle tank is 1.25-1.58 times its maximum diameter; the inner wall of the fusiform tank is fixedly provided with a flow deflector and a spiral flow deflector, and the included angle between the edge of the spiral flow deflector, which is contacted with the inner wall of the fusiform tank, and the generatrix of the fusiform tank is 15-26 degrees; the flow deflectors and the spiral flow deflectors are 4-8 groups and are uniformly arranged along the inner wall of the fusiform tank at intervals. The mixing device is high in mixing efficiency, large in single mixing amount and stable in work.)

1. A metal powder mixing device comprises a tank body, two symmetrical shuttle-shaped tanks positioned in the tank body, wherein the two shuttle-shaped tanks are coaxial, and the metal powder mixing device is characterized by further comprising a bulk material part, wherein the bulk material part is spherical or ellipsoidal and is coaxial with the shuttle-shaped tanks, the bulk material part is positioned between the two shuttle-shaped tanks and is simultaneously communicated with the two shuttle-shaped tanks, and the communication parts of the two shuttle-shaped tanks and the bulk material part are symmetrically arranged relative to the center of the bulk material part;

the axial length of the shuttle tank is 1.25-1.58 times its maximum diameter;

the ratio of the axial length and the radial width of the bulk material part which is axially parallel to the shuttle-shaped tank is 1-1.2;

the ratio of the radial width of the bulk material part to the maximum diameter of the shuttle-shaped tank is 0.85-1.05;

the inner wall of the fusiform tank is fixedly provided with a flow deflector and a spiral flow deflector, the flow deflector is in a right trapezoid shape and is positioned at the tank opening of the fusiform tank, the bevel edge of the flow deflector is parallel to a generatrix of a conical part of the fusiform tank with the tank opening, a right-angle edge of the flow deflector is parallel to the axis of the fusiform tank, the length of the top edge of the flow deflector is 1/8-1/6 of the diameter of the tank opening, one end of the flow deflector, far away from the tank opening, is fixedly connected with the spiral flow deflector, the spiral flow deflector spirally extends to the communication part of the fusiform tank and the bulk cargo part along the inner wall of the fusiform tank, and the side edge;

the included angle between the edge of the spiral flow deflector, which is contacted with the inner wall of the fusiform tank, and the generatrix of the fusiform tank is 15-26 degrees;

the flow deflectors and the spiral flow deflectors are 4-8 groups and are uniformly arranged along the inner wall of the fusiform tank at intervals.

2. A metal powder mixing apparatus as claimed in claim 1, wherein for better mixing of the materials, a metal ball is fixed in the bulk material portion, concentric with the center of the bulk material portion, and fixed in the bulk material portion by or through a fixing rod, which is axially perpendicular to the bulk material.

3. A metal powder mixing apparatus as claimed in claim 2, wherein the diameter of the fixing rod is not more than 5mm, and the diameter of the metal ball is 1/6-1/5 of the radial width of the bulk material portion.

4. The metal powder mixing device according to claim 1, wherein an air inlet assembly is fixed at the center of the rotary fixing part of the tank body, the air inlet assembly comprises a fixing plate, an air inlet hole, an air inlet pipe and an air vent pipe, the fixing plate is fixedly connected with the tank body, the fixing plate is fixedly connected with a flange, the flange is used for fixing a pipeline, and the rotation of the tank body is realized by driving the pipeline to rotate through a gear or a belt;

the center of the fixing plate is fixed with an air inlet plate, the air inlet plate is provided with two air inlet holes, the air inlet holes point to opposite directions to guide the air inlet direction to be parallel to the radial plane of the bulk material part, and the included angle between the point of the air inlet plate and the connecting line of the center of the bulk material part is 75-85 degrees; one end of the air inlet pipe is fixedly connected with the surface of the air inlet plate in a sealing way, the axis of the air inlet pipe passes through the central point of the air inlet plate, the spare end of the air inlet pipe is communicated with the vent pipe through a shaft seal, and the vent pipe is used for being communicated with the booster pump and introducing high-pressure gas into the bulk cargo part;

the tank opening of the fusiform tank is hinged with the sealing cover and comprises a one-way exhaust valve of a one-way exhaust assembly, a communicating pipe and a filter screen, the one-way exhaust assembly is fixed on the sealing cover, the communicating pipe penetrates through the sealing cover, the one-way exhaust valve is fixedly installed on the part, located outside the sealing cover, of the communicating pipe, and the part, located inside the sealing cover, of the communicating pipe is fixed with the filter screen to prevent metal powder from entering the communicating.

Technical Field

The invention relates to a metal powder mixing device, in particular to a shuttle-shaped tank body assembly used in metal rapid mixing.

Background

Disclosure of Invention

The invention aims to provide a double-shuttle type metal powder mixing device which is high in mixing efficiency and large in single mixing amount.

In order to achieve the purpose, the invention comprises a tank body, two symmetrical shuttle-shaped tanks which are positioned in the tank body, wherein the two shuttle-shaped tanks are coaxial, and the invention is characterized by also comprising a bulk cargo part which is spherical or ellipsoidal and is coaxial with the shuttle-shaped tanks, is positioned between the two shuttle-shaped tanks and is simultaneously communicated with the two shuttle-shaped tanks, and the communication parts of the two shuttle-shaped tanks and the bulk cargo part are symmetrically arranged relative to the center of the bulk cargo part;

the axial length of the shuttle tank is 1.25-1.58 times its maximum diameter;

the ratio of the axial length and the radial width of the bulk material part which is axially parallel to the shuttle-shaped tank is 1-1.2;

the ratio of the radial width of the bulk material part to the maximum diameter of the shuttle-shaped tank is 0.85-1.05;

the inner wall of the fusiform tank is fixedly provided with a flow deflector and a spiral flow deflector, the flow deflector is in a right trapezoid shape and is positioned at the tank opening of the fusiform tank, the bevel edge of the flow deflector is parallel to a generatrix of a conical part of the fusiform tank with the tank opening, a right-angle edge of the flow deflector is parallel to the axis of the fusiform tank, the length of the top edge of the flow deflector is 1/8-1/6 of the diameter of the tank opening, one end of the flow deflector, far away from the tank opening, is fixedly connected with the spiral flow deflector, the spiral flow deflector spirally extends to the communication part of the fusiform tank and the bulk cargo part along the inner wall of the fusiform tank, and the side edge;

the included angle between the edge of the spiral flow deflector, which is contacted with the inner wall of the fusiform tank, and the generatrix of the fusiform tank is 15-26 degrees;

the flow deflectors and the spiral flow deflectors are 4-8 groups and are uniformly arranged along the inner wall of the fusiform tank at intervals.

Furthermore, for better material mixing, a metal ball is fixed in the bulk material part, the metal ball is concentric with the center of the bulk material part and is fixed in the bulk material part through or by a fixing rod, and the fixing rod is axially vertical to the bulk material.

Preferably, the diameter of the fixing rod is not more than 5mm, and the diameter of the metal ball is 1/6-1/5 of the radial width of the bulk material part.

Furthermore, an air inlet assembly is fixed at the center of the rotary fixing part of the tank body, the air inlet assembly comprises a fixing plate, an air inlet hole, an air inlet pipe and a vent pipe, the fixing plate is fixedly connected with the tank body, the fixing plate is used for being fixedly connected with a flange plate, the flange plate is used for fixing a pipeline, and the pipeline is driven to rotate through a gear or a belt to realize the rotation of the tank body;

the center of the fixing plate is fixed with an air inlet plate, the air inlet plate is provided with two air inlet holes, the air inlet holes point to opposite directions to guide the air inlet direction to be parallel to the radial plane of the bulk material part, and the included angle between the point of the air inlet plate and the connecting line of the center of the bulk material part is 75-85 degrees; one end of the air inlet pipe is fixedly connected with the surface of the air inlet plate in a sealing way, the axis of the air inlet pipe passes through the central point of the air inlet plate, the spare end of the air inlet pipe is communicated with the vent pipe through a shaft seal, and the vent pipe is used for being communicated with the booster pump and introducing high-pressure gas into the bulk cargo part;

the tank opening of the fusiform tank is hinged with the sealing cover and comprises a one-way exhaust valve of a one-way exhaust assembly, a communicating pipe and a filter screen, the one-way exhaust assembly is fixed on the sealing cover, the communicating pipe penetrates through the sealing cover, the one-way exhaust valve is fixedly installed on the part, located outside the sealing cover, of the communicating pipe, and the part, located inside the sealing cover, of the communicating pipe is fixed with the filter screen to prevent metal powder from entering the communicating.

The invention has the beneficial effects that: 1. the material mixing efficiency is improved by additionally arranging a material dispersing part; 2. the length-diameter ratio of the shuttle-shaped tank is limited to improve the mixing efficiency; 3. the single-time mixing amount is improved on the premise of ensuring the mixing effect through the length-diameter ratio of the bulk material part and the specific shuttle-shaped tank; 4. the drying treatment can be carried out on the materials.

Drawings

FIG. 1 is a schematic diagram of the present invention.

Fig. 2 is a schematic view of a fixture.

FIG. 3 is a schematic view of a one-way vent assembly.

Figure 4 is a schematic view of a can body drawing assembly.

FIG. 5 is a schematic view of the position of the air intake assembly in the canister.

In the figure, a tank body 1, a shuttle-shaped tank 2, a flow deflector 21, a spiral flow deflector 22, a bulk cargo part 3, a metal ball 31, a fixed rod 32, a sealing cover 4, a one-way exhaust assembly 41, a one-way exhaust valve 411, a communicating pipe 412, a filter screen 413, an air inlet assembly 5, an air inlet plate 51, an air inlet 52, an air inlet pipe 53 and a vent pipe 54.

Detailed Description

The invention is described in detail below with reference to the accompanying drawings.

As shown in fig. 1-5, a metal powder mixing device comprises a tank body 1, two symmetrical shuttle-shaped tanks 2 arranged in the tank body 1, wherein the two shuttle-shaped tanks are coaxial, and is characterized by further comprising a bulk material part 3, wherein the bulk material part is spherical or ellipsoidal, is coaxial with the shuttle-shaped tanks 2, is positioned in the middle of the two shuttle-shaped tanks 2 and is simultaneously communicated with the two shuttle-shaped tanks 2, and the communication parts of the two shuttle-shaped tanks 2 and the bulk material part 3 are symmetrically arranged relative to the center of the bulk material part;

the axial length of the shuttle tank is 1.25-1.58 times its maximum diameter;

the ratio of the axial length to the radial width of the bulk material part 3 which is axially parallel to the shuttle-shaped tank 2 is 1-1.2;

the ratio of the radial width of the bulk material part 3 to the maximum diameter of the shuttle-shaped tank 2 is 0.85-1.05;

a flow deflector 21 and a spiral flow deflector 22 are fixed on the inner wall of the shuttle-shaped tank 2, the flow deflector 21 is in a right trapezoid shape and is positioned at the tank opening of the shuttle-shaped tank 2, the bevel edge of the flow deflector is parallel to the generatrix of the conical part with the tank opening of the shuttle-shaped tank 2, a right-angle edge of the flow deflector is parallel to the axis of the shuttle-shaped tank 2, the length of the top edge of the flow deflector is 1/8-1/6 of the diameter of the tank opening, one end of the flow deflector 21 far away from the tank opening is fixedly connected with the spiral flow deflector 22, the spiral flow deflector 22 spirally extends to the communication position of the shuttle-shaped tank 2 and the bulk material part 3 along the inner wall of the shuttle-shaped tank 2, and the side;

the included angle between the edge of the spiral flow deflector 22 contacted with the inner wall of the shuttle-shaped tank 2 and the generatrix of the shuttle-shaped tank 2 is 15-26 degrees;

the guide vanes 21 and the spiral guide vanes 22 are provided with 4-8 groups and are uniformly arranged at intervals along the inner wall of the shuttle-shaped tank 2.

The metal powder can be guided to flow spirally by arranging the bulk material part 3, the flow deflector 21 and the spiral flow deflector 22, and the metal powder is better dispersed and mixed in the bulk material part. Meanwhile, the length-diameter ratio of the shuttle-shaped tank 2 is limited to 1.25-1.58, the materials in the range can obtain a larger movement speed, part of the materials enter the bulk material part at a preset angle through the spiral flow deflector, and part of the materials axially enter the bulk material part, so that the impact, diffusion and mixing of the materials can be more effectively realized in the bulk material part 3.

In order to better mix materials, a metal ball 31 is fixed in the bulk material part 3, the metal ball 31 is concentric with the center of the bulk material part 3 and is fixed in the bulk material part 3 through 3 or 4 fixing rods, the fixing rods are axially vertical to the bulk material 3, the diameter of each fixing rod 32 is not more than 5mm, and the diameter of each metal ball 31 is 1/6-1/5 of the radial width of the bulk material part 3. The metal balls 31 are used to prevent the materials from directly rushing into the shuttle-shaped tank 2, so that the materials are better mixed in the bulk material part 3.

The metal powder usually has certain moisture content, in order to avoid the metal powder reunion, also in order to reach the requirement of metal powder moisture content, the stoving is essential step, but it is relatively difficult to dry when the compounding. In order to reduce the water content, the better mixing of the materials is realized at the same time. The air inlet assembly 5 is fixed at the center of a rotary fixing part of the tank body 1, the air inlet assembly 5 comprises a fixing plate, an air inlet plate 51, an air inlet 52, an air inlet pipe 53 and a vent pipe 54, the fixing plate is fixedly connected with the tank body 1, the fixing plate is used for being fixedly connected with a flange plate, the flange plate is used for fixing a pipeline, and the rotation of the tank body 1 can be realized by driving the pipeline to rotate through a gear or a belt;

the air inlet plate 51 is fixed at the center of the fixing plate, the air inlet plate 51 is provided with two air inlet holes 52, the two air inlet holes 52 point to opposite directions to guide the air inlet direction to be parallel to the radial plane of the bulk material part 3, and the included angle between the point of the two air inlet holes and the connecting line of the central point of the air inlet plate 51 and the central point of the bulk material part 3 is 75-85 degrees; one end of the air inlet pipe 53 is fixedly connected with the surface of the air inlet plate 51 in a sealing manner, the axis of the air inlet pipe passes through the central point of the air inlet plate 51, the spare end of the air inlet pipe 53 is communicated with the vent pipe 54 through a shaft seal, and the vent pipe 54 is communicated with a booster pump to introduce high-pressure gas into the bulk material part 3.

The tank opening of the shuttle-shaped tank 2 is hinged with a sealing cover 4, which comprises a one-way exhaust component 41, a one-way exhaust valve 411, a communicating pipe 412 and a filter screen 413, wherein the one-way exhaust component 41 is fixed on the sealing cover 4, the communicating pipe 412 penetrates through the sealing cover 4, the one-way exhaust valve 411 is fixedly installed on the part of the communicating pipe 412 positioned outside the sealing cover 4, and the filter screen 413 is fixed on the part positioned inside the sealing cover 4 to prevent metal powder from entering the communicating pipe 412.

Like this, ventilate in to bulk cargo portion 3 through the booster pump, gaseous directional and the radial plane parallel of bulk cargo portion, help the material improve bulk cargo efficiency in bulk cargo portion internal rotation, if income thigh simultaneously can dry the metal powder if let in high temperature gas. The introduced gas is discharged through the one-way ventilation valve 411 of the sealing cover 4.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.