Aluminum oxide powder mixing device capable of uniformly mixing

Abstract

The utility model relates to the technical field of aluminum oxide ceramic product production, and discloses an aluminum oxide powder mixing device capable of uniformly mixing, which comprises a base, a tank body fixedly connected to the top of the base and a cover fixedly arranged at the top of the tank body, a rotating shaft is fixedly connected to the output end of the driving motor, stirring blades are fixedly connected to the outer surface of the rotating shaft at equal intervals, and a fixing plate is fixedly connected to the center of the surface of the cover through bolts. By installing the driving assembly, when the stirring blades rotate for mixing, the scraping plate can be driven to rotate in the tank body, materials attached to the inner wall of the tank body can be scraped off, the inner wall of the tank body can be kept clean, meanwhile, the rotating direction of the scraping plate and the rotating direction of the stirring blades are opposite, and when the materials are mixed and stirred, the materials can be uniformly mixed. The positions of the materials on the inner layer and the outer layer can be continuously exchanged, the dispersion degree of aluminum oxide powder in the whole mixing process is improved, and the mixing efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to alumina ceramic production technical field more particularly to a kind of alumina powder mixing device of uniform mixing. BACKGROUND

[0002] In the production process of alumina ceramic product, mixing alumina powder is very important, the performance of alumina ceramic product is closely related to its composition, if powder is not mixed evenly, it will lead to the composition difference of different parts of product, for example, in some ceramic cutter production needing high-purity alumina to ensure high hardness and wear resistance, if alumina powder is not mixed evenly, the alumina content in partial area is lower, and impurity phase can be mixed, which will significantly reduce the hardness and wear resistance of cutter, make it easy to wear in use, shorten service life, and common mixing equipment includes cylinder, stirring device and feeding and discharging device.

[0003] Traditional mixing equipment relies on motor to drive stirring blade to make single axial mixing in cylinder, and there are many disadvantages: first, the inner wall of cylinder is easy to adhere material, so that the actual amount of material participating in mixing and the composition ratio change each time, causing unstable performance of different batches of products, such as alumina ceramic electronic component production, which will make relevant performance parameters fluctuate, affect product consistency and reliability; second, the effect of dispersing agglomerated powder is poor under single axial mixing mode, because alumina powder itself is easy to agglomerate, and the stirring blade mainly pushes material in axial direction under this mixing mode, lacks enough shear force to disperse agglomerates, which can make the final product exist undispersed agglomerates, lead to structural defects in ceramic product, reduce its mechanical properties and density. UTILITY MODEL CONTENT

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a kind of alumina powder mixing device of uniform mixing to solve the problems existing in the above background art.

[0005] The utility model provides the following technical scheme: a kind of alumina powder mixing device of uniform mixing, including base, fixedly connected in the top of base jar and fixedly installed in the top of jar lid, the inside center of base is fixedly installed with drive motor, the output end of drive motor is fixedly connected with rotating shaft, the outer surface of rotating shaft is equidistantly fixedly connected with stirring blade, the surface center of lid is fixedly connected with fixed plate by bolt, the bottom center of fixed plate is fixedly connected with fixed rod, the end away from fixed plate of fixed rod is installed with drive assembly, the outer surface of drive assembly is equidistantly fixedly connected with connecting rod, the end surface of connecting rod is fixedly connected with scraper.

[0006] Further, the driving assembly comprises a fixed bearing fixedly installed on the outer surface of the fixed rod, the outer ring of the fixed bearing is fixedly connected with a sleeve, the end surface of the fixed rod is fixedly connected with a fixed disc, the bottom of the fixed disc is fixedly connected with two connecting rods, the outer surface of the connecting rod is fixedly installed with a positioning bearing, the outer ring of the sleeve is fixedly connected with a driven gear, the surface of the driven gear is meshedly connected with a gear ring, and the top of the rotating shaft is fixedly connected with a driving gear.

[0007] Further, the outer surface of the stirring blade is rotationally connected in the inner part of the tank body, and the outer surface of the rotating shaft is sealingly rotationally connected in the inner part of the tank body.

[0008] Further, the surface of the scraper away from the connecting rod abuts against the inner wall of the tank body, the outer surface of the fixed rod is fixedly sleeved with a sealing ring, the outer surface of the sealing ring is sealingly rotationally connected to the inner wall of the sleeve, and the end away from the scraper of the connecting rod is fixedly connected to the outer surface of the sleeve.

[0009] Further, the surface of the driving gear is meshedly connected to the surface of the driven gear, the driven gear is rotationally connected in the inner part of the sleeve, and the top of the sleeve is conical.

[0010] Further, the inner wall of the sleeve is fixedly installed with a sealing gasket, and the inner wall of the sealing gasket is sealingly rotationally connected to the outer surface of the rotating shaft.

[0011] The technical effects and advantages of the present application are as follows:

[0012] 1. The utility model discloses a driving assembly is installed, when the stirring blade rotates and mixes, can drive the scraper to rotate in the tank body, can scrape the material adhered to the inner wall of the tank body, can keep the cleanness of the inner wall of the tank body, and the rotating direction of the scraper and the stirring blade is opposite, when mixing and stirring the material, can make the material of inside and outside layer exchange position constantly, improves the dispersion degree of alumina powder in the whole mixing process, makes the mixing more uniform, improves the mixing efficiency.

[0013] 2. The utility model discloses two driven gears are set up, can enhance the stability of gear ring rotation, also reduced the surface wear of single driven gear when using, since the top of the sleeve is conical, can also avoid the material falling on the surface of the sleeve as far as possible, strengthens practicality. ACCURACY OF DRAWINGS

[0014] Figure 1 It is the structural schematic diagram of the utility model;

[0015] Figure 2 It is the connecting schematic diagram of the rotating shaft, driving assembly and fixed rod in the utility model;

[0016] Figure 3 is a sectional view of the driving assembly in the utility model;

[0017] Figure 4 is Figure 3 is an enlarged view of A in the middle.

[0018] The figure marks are: 1, base; 2, tank body; 3, cover; 4, driving motor; 5, rotating shaft; 51, stirring blade; 6, fixed plate; 7, fixed rod; 8, driving assembly; 81, fixed bearing; 82, sleeve; 83, fixed disc; 84, connecting rod; 85, locating bearing; 86, driven gear; 87, gear ring; 88, driving gear; 9, connecting rod; 10, scraper. DETAILED DESCRIPTION

[0019] The utility model will be further explained in combination with specific embodiment, however, people skilled in the art should understand, in here, the detailed description given in combination with the drawings is to explain better, the structure of the utility model is bound to exceed these limited embodiments, and for some equivalent alternative or common means, this paper will not make detailed description, but still belongs to the protection scope of the application.

[0020] Figures 1-4 is the best embodiment of the utility model, the following will be further explained in combination with the drawings Figures 1-4 The utility model will be further explained in combination with specific embodiment, however, people skilled in the art should understand, in here, the detailed description given in combination with the drawings is to explain better, the structure of the utility model is bound to exceed these limited embodiments, and for some equivalent alternative or common means, this paper will not make detailed description, but still belongs to the protection scope of the application.

[0021] Specifically, a kind of mixed even aluminium oxide powder mixing device, including base 1, tank body 2 of fixed connection in the top of base 1 and cover 3 of fixed installation in the top of tank body 2, the inside center of base 1 is fixedly installed with driving motor 4, the output end of driving motor 4 is fixedly connected with rotating shaft 5, the outer surface of rotating shaft 5 is equidistantly fixedly connected with stirring blade 51, the surface center of cover 3 is fixedly connected with fixed plate 6 by bolt, the bottom center of fixed plate 6 is fixedly connected with fixed rod 7, driving assembly 8 is installed in the end away from fixed plate 6 of fixed rod 7, driving assembly 8 includes fixedly installed fixed bearing 81 on the outer surface of fixed rod 7, the outer ring of fixed bearing 81 is fixedly connected with sleeve 82, the end surface of fixed rod 7 is fixedly connected with fixed disc 83, the bottom of fixed disc 83 is fixedly connected with two connecting rods 84, locating bearing 85 is fixedly installed on the outer surface of connecting rod 84, the outer ring of sleeve 82 is fixedly connected with driven gear 86, the surface of driven gear 86 is meshingly connected with gear ring 87, the top of rotating shaft 5 is fixedly connected with driving gear 88, the outer surface of driving assembly 8 is equidistantly fixedly connected with connecting rod 9, the end surface of connecting rod 9 is fixedly connected with scraper 10.

[0022] In the embodiment, the scraper 10 can rotate in the tank 2 by installing the driving assembly 8, and the material adhered to the inner wall of the tank 2 can be scraped off when the stirring blade 51 rotates to mix, so that the inner wall of the tank 2 can be kept clean. The rotating direction of the scraper 10 is opposite to that of the stirring blade 51, so that the inner and outer layers of the material can be continuously exchanged in position when the material is mixed and stirred, the dispersion degree of the alumina powder in the whole mixing process is improved, and the mixing efficiency is improved.

[0023] Specifically, the outer surface of the stirring blade 51 is rotationally connected to the inside of the tank 2, and the outer surface of the rotating shaft 5 is sealingly rotationally connected to the inside of the tank 2. The top of the rotating shaft 5 extends into the inside of the tank 2.

[0024] In the embodiment, since the outer surface of the rotating shaft 5 is sealingly rotationally connected to the inside of the tank 2, the material in the tank 2 can be prevented from overflowing through the connection between the rotating shaft 5 and the tank 2.

[0025] Specifically, the surface of the scraper 10 away from the connecting rod 9 abuts against the inner wall of the tank 2, the outer surface of the fixing rod 7 is fixedly sleeved with a sealing ring, the outer surface of the sealing ring is sealingly rotationally connected to the inner wall of the sleeve 82, and the end of the connecting rod 9 away from the scraper 10 is fixedly connected to the outer surface of the sleeve 82.

[0026] In the embodiment, since the surface of the scraper 10 away from the connecting rod 9 abuts against the inner wall of the tank 2, the material adhered to the inner wall of the tank 2 can be scraped off when the scraper 10 rotates.

[0027] Specifically, the surface of the driving gear 88 is meshingly connected to the surface of the driven gear 86, the driven gear 86 is rotationally connected to the inside of the sleeve 82, and the top of the sleeve 82 is conical.

[0028] In the embodiment, by arranging two driven gears 86, the stability of the rotation of the gear ring 87 can be improved, and the surface wear of the single driven gear 86 when in use can be reduced. Since the top of the sleeve 82 is conical, the material can be prevented from falling on the surface of the sleeve 82 as much as possible, and the practicability is improved.

[0029] Specifically, the inner wall of the sleeve 82 is fixedly installed with a sealing gasket, and the inner wall of the sealing gasket is sealingly rotationally connected to the outer surface of the rotating shaft 5.

[0030] In the embodiment, by arranging the sealing gasket, the material can be prevented from entering the inside of the sleeve 82, so as to affect the normal work of the transmission member in the inside of the sleeve 82.

[0031] The working principle and use process of the utility model: when using, the material is put into the inside of the jar body 2 through the discharge hopper on the cover 3, when mixing, the driving motor 4 is started, the driving motor 4 drives the stirring blade 51 to rotate in the jar body 2 through the rotating shaft 5, and the material in the jar body 2 is mixed, when the rotating shaft 5 rotates, the rotating shaft 5 drives the driven gear 86 to rotate through the driving gear 88, the driven gear 86 drives the sleeve 82 to rotate through the gear ring 87, the sleeve 82 drives the scraper 10 to rotate reversely in the jar body 2 through the connecting rod 9, through the abutting of the scraper 10 and the inner wall of the jar body 2, the material adhered to the inner wall of the jar body 2 can be scraped, the cleanliness of the inner wall of the jar body 2 can be kept, and the rotating direction of the scraper 10 and the stirring blade 51 is opposite, when mixing and stirring the material, the material in the inner layer and the outer layer can be continuously exchanged, the dispersion degree of the alumina powder in the whole mixing process is improved, and the mixing efficiency is improved.

[0032] The above is only the preferred embodiment of the utility model, and does not limit the utility model in other forms, and any skilled person in the art can change or modify the equivalent embodiment of equivalent change by using the disclosed technical content. However, any simple modification, equivalent change and modification made to the above embodiment according to the technical essence of the utility model without departing from the technical scheme content of the utility model still belongs to the protection scope of the technical scheme of the utility model.

Claims

1. A device for mixing uniformly mixed alumina powder, comprising a base (1), a tank (2) fixedly connected to the top of the base (1), and a cover (3) fixedly installed on the top of the tank (2), characterized in that: A drive motor (4) is fixedly installed at the center of the base (1). A rotating shaft (5) is fixedly connected to the output end of the drive motor (4). Stirring blades (51) are fixedly connected at equal intervals on the outer surface of the rotating shaft (5). A fixing plate (6) is fixedly connected to the center of the surface of the cover (3) by bolts. A fixing rod (7) is fixedly connected to the center of the bottom of the fixing plate (6). A drive assembly (8) is installed at the end of the fixing rod (7) away from the fixing plate (6). A connecting rod (9) is fixedly connected at equal intervals on the outer surface of the drive assembly (8). A scraper (10) is fixedly connected to the end face of the connecting rod (9).

2. The alumina powder mixing device according to claim 1, characterized in that: The drive assembly (8) includes a fixed bearing (81) fixedly mounted on the outer surface of a fixed rod (7), a sleeve (82) fixedly connected to the outer ring of the fixed bearing (81), a fixed disk (83) fixedly connected to the end face of the fixed rod (7), two connecting rods (84) fixedly connected to the bottom of the fixed disk (83), a positioning bearing (85) fixedly mounted on the outer surface of the connecting rods (84), a driven gear (86) fixedly connected to the outer ring of the sleeve (82), a gear ring (87) meshing with the surface of the driven gear (86), and a drive gear (88) fixedly connected to the top of the rotating shaft (5).

3. The alumina powder mixing device according to claim 1, characterized in that: The outer surface of the stirring blade (51) is rotatably connected to the inside of the tank (2), the outer surface of the rotating shaft (5) is rotatably and sealed to the inside of the tank (2), and the top of the rotating shaft (5) extends into the inside of the tank (2).

4. The alumina powder mixing device according to claim 2, characterized in that: The scraper (10) is located away from the connecting rod (9) and rests against the inner wall of the tank (2). The outer surface of the fixing rod (7) is fixedly fitted with a sealing ring. The outer surface of the sealing ring is rotatably connected to the inner wall of the sleeve (82). One end of the connecting rod (9) away from the scraper (10) is fixedly connected to the outer surface of the sleeve (82).

5. The alumina powder mixing device according to claim 2, characterized in that: The surface of the drive gear (88) is meshed with the surface of the driven gear (86), and the driven gear (86) is rotatably connected inside the sleeve (82), the top of the sleeve (82) being conical.

6. The alumina powder mixing device according to claim 2, characterized in that: A sealing gasket is fixedly installed on the inner wall of the sleeve (82), and the inner wall of the sealing gasket is rotatably connected to the outer surface of the rotating shaft (5).

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