CN111330491A

CN111330491A - Mixing equipment for powder metallurgy

Info

Publication number: CN111330491A
Application number: CN201811551692.3A
Authority: CN
Inventors: 高正江
Original assignee: China Aviation Maite Fine Metallurgical Technology Xuzhou Co ltd
Current assignee: China Aviation Maite Fine Metallurgical Technology Xuzhou Co ltd
Priority date: 2018-12-19
Filing date: 2018-12-19
Publication date: 2020-06-26

Abstract

A mixing device for powder metallurgy relates to the technical field of powder metallurgy. It contains the base, the stand, the apron, the agitator, elastic sealing element, the mixing shaft, helical blade, the agitator board, drive arrangement, the feed gate, the discharge door, the cylinder, be equipped with the stand on the base, the stand top is equipped with the apron, be equipped with the agitator between the stand, agitator both sides and stand sliding connection, elastic sealing element and cover connection are passed through to the agitator top, be equipped with the mixing shaft in the agitator, epaxial helical blade and the agitator board of being equipped with of compounding, the epaxial end of compounding stretches out the apron and just passes through the bearing with the apron and be connected, the epaxial end of compounding is connected with drive arrangement, be equipped with the feed gate with the agitator intercommunication on the apron, the agitator bottom is equipped with the discharge door, be equipped with the cylinder on the base. It reciprocates and helical blade's effect under at the agitator, can carry out abundant stirring to metal powder and mix, prevents to mix uneven phenomenon, has improved metal powder's quality greatly.

Description

Mixing equipment for powder metallurgy

Technical Field

The invention relates to the technical field of powder metallurgy, in particular to mixing equipment for powder metallurgy.

Background

Powder metallurgy is a process technique for producing metal powder or metal powder (or a mixture of metal powder and nonmetal powder) as a raw material, and then forming and sintering the raw material to produce metal materials, composite materials and various products. The powder metallurgy method has similar places to the production of ceramics and belongs to the powder sintering technology, so a series of new powder metallurgy technologies can also be used for preparing ceramic materials. Due to the advantages of the powder metallurgy technology, the powder metallurgy technology becomes a key for solving the problem of new materials, and plays a significant role in the development of the new materials.

Powder metallurgy includes milling and articles. Wherein the powder making is mainly a metallurgical process and is consistent with the word. Powder metallurgy products are often far beyond the material and metallurgical categories and are often a technology across multiple disciplines. Especially, modern 3D printing of metal powder integrates mechanical engineering, CAD (computer aided design), reverse engineering technology, layered manufacturing technology, numerical control technology, material science and laser technology, so that the powder metallurgy product technology becomes a modern comprehensive technology spanning more subjects.

Stirring mixing arrangement is one of the indispensable equipment at powder metallurgy's in-process, and present powder metallurgy is comparatively complicated with the big many structures of compounding equipment, and the stirring is even inadequately, and the quality variation of different metal powder can make metal powder have the trend of layering from top to bottom for the metal powder quality is relatively poor.

Disclosure of Invention

The invention aims to provide mixing equipment for powder metallurgy, aiming at overcoming the defects and shortcomings of the prior art, and solving the problems that the existing mixing equipment for powder metallurgy is large, complex in structure, not uniform in stirring, different in mass of metal powder, and poor in quality of the metal powder due to the fact that the metal powder tends to be layered up and down.

In order to achieve the purpose, the invention adopts the following technical scheme: it comprises a base, a column, a cover plate, a stirring barrel, an elastic sealing element, a mixing shaft, a helical blade, a stirring plate, a driving device, a feeding door, a discharging door and a cylinder, the base is provided with two upright posts, the top ends of the upright posts are provided with a cover plate, a stirring barrel is arranged between the two upright posts, the two sides of the stirring barrel are connected with the two upright posts in a sliding way, the top end of the stirring barrel is connected with the cover plate through an elastic sealing element, a mixing shaft is arranged inside the stirring barrel, the mixing shaft is provided with a helical blade and a stirring plate, the upper end of the mixing shaft extends out of the cover plate and is connected with the cover plate through a bearing, the upper end of the mixing shaft is connected with a driving device, the cover plate is provided with a feeding door communicated with the stirring barrel, the bottom of the stirring barrel is provided with a discharging door, the base is provided with an air cylinder, and the output end of the air cylinder is fixedly connected with the bottom of the stirring barrel.

Furthermore, the bottom wall of the stirring barrel is obliquely arranged from one side far away from the discharge door to one side of the discharge door, and the inclination angle of the bottom wall of the stirring barrel is 5-15 degrees.

Furthermore, the driving device comprises a motor, a motor wheel, a belt and a driving wheel, wherein the output end of the motor is fixedly connected with the motor wheel, the motor wheel is connected with the driving wheel through the belt, and the driving wheel is fixedly arranged at the upper end of the mixing shaft.

Further, the inboard of stand is provided with the slide rail, the both sides of agitator are provided with the slider, the slider is connected with the slide rail cooperation.

Further, helical blade and compounding axle coaxial setting, and helical blade evenly distributed is epaxial at the mixture, the contained angle of stirring board and horizontal plane is 40-45.

The working principle of the invention is as follows: the during operation, add metal powder in the agitator through the feed door, the starter motor, the motor passes through the belt and drives the drive wheel and begin to rotate, the drive wheel drives the material mixing axle and begins to rotate, the epaxial helical blade of compounding, the stirring board begins to stir the powder and mixes, the cylinder drives the agitator and reciprocates in the stand, the agitator passes through elastic sealing spare and apron and is in encapsulated situation all the time, the agitator is at the in-process that reciprocates, can fully contact the metal powder of helical blade with the bottom of agitator, and with its top of rotatory agitator, the stirring board transversely stirs the powder simultaneously, make the stirring of powder more abundant, the condition of layering about having avoided the inhomogeneous appearance of powder quality, after the intensive mixing, metal powder flows from the discharge door along the agitator diapire that the slope set up.

After the technical scheme is adopted, the invention has the beneficial effects that: its simple structure, reasonable in design reciprocates and helical blade's combined action down through the agitator, can carry out abundant stirring to metal powder and mix, prevents to mix inhomogeneous phenomenon, has improved metal powder's quality greatly.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

Description of reference numerals: the automatic mixing device comprises a base 1, a stand column 2, a cover plate 3, a mixing barrel 4, an elastic sealing element 5, a mixing shaft 6, a helical blade 7, a mixing plate 8, a feeding door 9, a discharging door 10, a cylinder 11, a motor 12, a motor wheel 13, a belt 14, a transmission wheel 15, a sliding rail 16 and a sliding block 17.

Detailed Description

Referring to fig. 1 to 2, the technical solution adopted by the present embodiment is: the material mixing device comprises a base 1, stand columns 2, a cover plate 3, a mixing barrel 4, an elastic sealing element 5, a material mixing shaft 6, a helical blade 7, a mixing plate 8, a driving device, a feeding door 9, a discharging door 10 and a cylinder 11, wherein the base 1 is provided with the two stand columns 2, the stand columns 2 are fixedly connected with the base 1 through bolts, the top ends of the stand columns 2 are provided with the cover plate 3, the cover plate 3 is fixedly connected with the stand columns 2 through bolts, the mixing barrel 4 is arranged between the two stand columns 2, two sides of the mixing barrel 4 are slidably connected with the two stand columns 2, the top end of the mixing barrel 4 is connected with the cover plate 3 through the elastic sealing element 5, the mixing barrel 4 is slidably connected with the stand columns 2 up and down, the sliding displacement of the mixing barrel 4 is smaller than the maximum elastic distance of the elastic sealing element 5, the sealing property of the elastic sealing element 5 is ensured, the mixing shaft 6 is arranged, the upper end of mixing axle 6 stretches out outside apron 3 and is connected through the bearing with apron 3, and the upper end and the drive arrangement of mixing axle 6 are connected, be provided with the feed gate 9 with agitator 4 intercommunication on the apron 3, the bottom of agitator 4 is provided with discharge door 10, be provided with cylinder 11 on the base 1, the output of cylinder 11 and the bottom fixed connection of agitator 4, the telescopic link of

cylinder

11 and 4 bottom central points of agitator put fixed connection.

The diapire of agitator 4 is by keeping away from 10 one sides of discharge door to 10 inclines to the setting of discharge door 10 one side slope, and the inclination of 4 diapires of agitator is 5-15, and during concrete implementation, the inclination of 4 diapires of agitator is 10.

The driving device comprises a motor 12, a motor wheel 13, a belt 14 and a driving wheel 15, wherein the output end of the motor 12 is fixedly connected with the motor wheel 13, the motor wheel 13 is connected with the driving wheel 15 through the belt 14, and the driving wheel 15 is fixedly arranged at the upper end of the mixing shaft 6.

The inboard of stand 2 is provided with slide rail 16, the both sides of agitator 4 are provided with slider 17, slider 17 is connected with slide rail 16 cooperation.

Helical blade 7 and the coaxial setting of compounding axle 6, and helical blade 7 evenly distributed is on compounding axle 6, the contained angle of stirring board 8 and horizontal plane is 40-45, and during the specific implementation, the contained angle of stirring board 8 and horizontal plane is 45.

When the metal powder mixer works, metal powder is added into the stirring barrel 4 through the feeding door 9, the motor 12 is started, the motor 12 drives the driving wheel 15 to rotate through the belt 14, the driving wheel 15 drives the mixing shaft 6 to rotate, the helical blade 7 and the stirring plate 8 on the mixing shaft 6 start to stir and mix the powder, the air cylinder 11 drives the stirring barrel 4 to move up and down in the upright post 2, the stirring barrel 4 and the cover plate 3 are always in a sealing state through the elastic sealing piece 5, the helical blade 7 can be fully contacted with the metal powder at the bottom of the stirring barrel 4 in the process of moving up and down of the stirring barrel 4, and the metal powder is rotated to the upper part of the stirring barrel 4, meanwhile, the stirring plate 8 transversely stirs the powder, so that the powder is stirred more fully, the condition of upper and lower layering caused by uneven powder quality is avoided, when the metal powder is sufficiently stirred and mixed, the metal powder flows out from the discharge door 10 along the bottom wall of the stirring barrel 4 arranged obliquely.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a compounding equipment for powder metallurgy which characterized in that: it comprises a base, a column, a cover plate, a stirring barrel, an elastic sealing element, a mixing shaft, a helical blade, a stirring plate, a driving device, a feeding door, a discharging door and a cylinder, the base is provided with two upright posts, the top ends of the upright posts are provided with a cover plate, a stirring barrel is arranged between the two upright posts, the two sides of the stirring barrel are connected with the two upright posts in a sliding way, the top end of the stirring barrel is connected with the cover plate through an elastic sealing element, a mixing shaft is arranged inside the stirring barrel, the mixing shaft is provided with a helical blade and a stirring plate, the upper end of the mixing shaft extends out of the cover plate and is connected with the cover plate through a bearing, the upper end of the mixing shaft is connected with a driving device, the cover plate is provided with a feeding door communicated with the stirring barrel, the bottom of the stirring barrel is provided with a discharging door, the base is provided with an air cylinder, and the output end of the air cylinder is fixedly connected with the bottom of the stirring barrel.

2. A mixing apparatus for powder metallurgy according to claim 1, wherein: the bottom wall of the stirring barrel is obliquely arranged from one side far away from the discharge door to one side of the discharge door, and the inclination angle of the bottom wall of the stirring barrel is 5-15 degrees.

3. A mixing apparatus for powder metallurgy according to claim 1, wherein: the driving device comprises a motor, a motor wheel, a belt and a driving wheel, wherein the output end of the motor is fixedly connected with the motor wheel, the motor wheel is connected with the driving wheel through the belt, and the driving wheel is fixedly arranged at the upper end of the mixing shaft.

4. A mixing apparatus for powder metallurgy according to claim 1, wherein: the inboard of stand is provided with the slide rail, the both sides of agitator are provided with the slider, the slider is connected with the slide rail cooperation.

5. A mixing apparatus for powder metallurgy according to claim 1, wherein: the helical blade and the mixing shaft are coaxially arranged, the helical blade is uniformly distributed on the mixing shaft, and the included angle between the mixing plate and the horizontal plane is 40-45 degrees.