CN111701669A

CN111701669A - Three-stage ball milling device for nano material production

Info

Publication number: CN111701669A
Application number: CN202010587788.6A
Authority: CN
Inventors: 杜红
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2020-09-25

Abstract

The invention discloses a three-stage ball milling device for producing nano materials, which belongs to the technical field of three-stage ball milling devices for nano materials and comprises a ball milling cylinder, wherein the ball milling cylinder comprises a first ball milling cylinder, a second ball milling cylinder and a third ball milling cylinder; the ball grinding cylinder body is provided with a filter hole, the second ball grinding cylinder and the third ball grinding cylinder comprise a rotating cylinder and a fixed cylinder, the rotating cylinder is rotatably connected with the fixed cylinder, the left end and the right end of the first ball grinding cylinder, the left end of the second ball grinding cylinder and the left end of the rotating cylinder of the third ball grinding cylinder are fixedly connected with a first connecting block, the first connecting block is rotatably connected with a supporting ring, the outer side of the supporting ring is fixedly connected with a supporting rod, the outer sides of the first ball grinding cylinder and the rotating cylinder are rotatably connected with a discharging cylinder, a discharging pipe is fixedly connected below the discharging cylinder, the right end of the first ball grinding cylinder is provided with a feeding mechanism, and the left side of the ball grinding cylinder is provided with a driving mechanism.

Description

Three-stage ball milling device for nano material production

Technical Field

The invention relates to the technical field of three-stage ball milling devices for nano materials, in particular to a three-stage ball milling device for nano material production.

Background

With the continuous development of society, nano materials are widely applied in various industries as new materials. The production and processing of nanomaterials require many steps, of which the grinding and pulverization are important components. The current grinding and crushing device for the production and processing of nano materials is generally a ball mill. The ball mill is composed of horizontal cylinder, hollow feeding and discharging shaft and grinding head, the cylinder is long cylinder, the grinding body is installed in the cylinder, the cylinder is made of steel plate, and is fixed with the cylinder by steel lining plate, the grinding body is generally steel ball, and is loaded into the cylinder according to different diameters and a certain proportion, the grinding body can also be steel section. The material is selected according to the granularity of the grinding material, the material is loaded into the barrel body from the hollow shaft at the feeding end of the ball mill, when the ball mill barrel body rotates, the grinding body is attached to the lining plate of the barrel body and taken away by the barrel body under the action of inertia and centrifugal force and friction force, when the grinding body is taken to a certain height, the grinding body is thrown off under the action of the gravity of the grinding body, and the falling grinding body breaks the material in the barrel body like a projectile body.

However, at present, the existing ball mill generally has only one cylinder, and the nano material is crushed to the required particle size from the initial addition of the cylinder, the volume difference is too large, and the required grinding time is too long; and large granule, great granule, tiny particle nano-material mix in the barrel, can not be in grades to grinding, and the grinding efficiency is low.

Based on the three-stage ball milling device, the three-stage ball milling device for producing the nano material is designed to solve the problems.

Disclosure of Invention

The invention aims to provide a three-stage ball milling device for producing nano materials, which aims to solve the problems that the existing ball mill proposed in the background technology generally only has one cylinder, and the nano materials are crushed to the required particle size from the initial feeding of the cylinder, so that the volume difference is too large, and the required grinding time is too long; and large granule, great granule, tiny particle nano-material mix in the barrel, can not be in grades to grinding, and the grinding efficiency is low. To a problem of (a).

In order to achieve the purpose, the invention provides the following technical scheme:

a three-stage ball milling device for producing nano materials comprises ball milling cylinders, wherein each ball milling cylinder comprises a first ball milling cylinder, a second ball milling cylinder and a third ball milling cylinder, the second ball milling cylinder is positioned below the first ball milling cylinder, and the third ball milling cylinder is positioned below the second ball milling cylinder; the ball grinding cylinder body is provided with a filter hole, the second ball grinding cylinder and the third ball grinding cylinder comprise a rotating cylinder and a fixed cylinder, the rotating cylinder is rotatably connected with the fixed cylinder, the left end and the right end of the first ball grinding cylinder, the left end of the second ball grinding cylinder and the left end of the rotating cylinder of the third ball grinding cylinder are fixedly connected with a first connecting block, the first connecting block is rotatably connected with a support ring, a support rod is fixedly connected to the outer side of the support ring, the right end of the fixed cylinder is fixedly connected with a second connecting block, and the second connecting block is fixedly connected with the support rod; the ball grinding machine is characterized in that a discharge barrel is rotatably connected outside the first ball grinding barrel and the rotating barrel, a discharge pipe is fixedly connected below the discharge barrel, a feeding mechanism is arranged at the right end of the first ball grinding barrel, and a driving mechanism is arranged at the left side of the ball grinding barrel.

As a further scheme of the invention, the aperture of the filtering hole of the first ball mill cylinder is larger than that of the filtering hole of the second ball mill cylinder, and the aperture of the filtering hole of the second ball mill cylinder is larger than that of the filtering hole of the third ball mill cylinder, so that the nano material can be filtered downwards in a grade-by-grade manner according to the fineness, and the grading grinding is more efficient.

As a further scheme of the invention, the discharge barrels are fixedly connected with the supporting rod, the two discharge pipes above the discharge barrels are fixedly connected with the fixed barrel below the discharge pipes, and the pipe wall below the discharge pipes is an inclined pipe wall, so that the nano material filtered by the ball grinding barrel can conveniently enter the next-stage ball grinding barrel.

As a further scheme of the invention, the feeding mechanism comprises a feeding pipe, the feeding pipe is fixedly connected with a supporting rod, a feeding motor is arranged on the right side of the feeding pipe, an auger is fixedly connected to the left side of the feeding motor, and the feeding motor drives the auger to rotate so as to feed the nano material into the ball milling barrel.

As a further scheme of the invention, a feeding pipe is fixedly connected above the feeding pipe, and a feeding funnel is fixedly connected above the feeding pipe, so that the nano material can be conveniently fed.

As a further scheme of the present invention, the driving mechanism includes a driving motor, a first driving shaft is fixedly connected to a right end of the driving motor, a speed reducer is fixedly connected to a right end of the first driving shaft, a second driving shaft is fixedly connected to a right side of the speed reducer, and the second driving shaft is fixedly connected to the supporting plate.

As a further scheme of the invention, the driving motor, the speed reducer and the supporting plate are all fixedly arranged above the mounting plate, the second driving shaft is fixedly connected with a small gear, the small gear is meshed with a large gear ring, and the large gear ring is fixedly connected with the ball mill barrel.

As a further scheme of the invention, two sides of the outer cylinder wall of the first ball grinding cylinder and the rotating cylinder are fixedly connected with connecting rings, the left side and the right side of the discharging cylinder are provided with annular connecting grooves, the connecting rings are rotationally connected with the annular connecting grooves, and the outlines of the connecting rings and the annular connecting grooves are both T-shaped, so that the discharging cylinder is prevented from moving left and right relative to the ball grinding cylinder.

Advantageous effects

Compared with the prior art, the invention has the beneficial effects that:

through the matching use of the first ball grinding cylinder, the second ball grinding cylinder, the third ball grinding cylinder, the discharging pipe, the feeding mechanism and the driving mechanism, the nano material is fed into the first ball grinding cylinder through the feeding structure, and the driving mechanism drives the ball grinding cylinders to rotate; the grinding balls in the ball grinding cylinder are attached to the cylinder body and taken away by the cylinder body under the action of centrifugal force and friction force, and when the grinding balls are taken to a certain height, the grinding balls are thrown off under the action of gravity of the grinding balls, and the falling grinding balls smash the nano materials in the cylinder body like a projectile; the nanometer material with qualified fineness enters a next-stage ball grinding cylinder through a discharge pipe, and unqualified nanometer material is left in the current ball grinding cylinder for continuous grinding; the nanometer material of large granule, great granule, tiny granule is ground in grades, promotes grinding efficiency, shortens the grinding time.

Drawings

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

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic view of the drive mechanism of the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3 according to the present invention;

FIG. 5 is a schematic view of a feed mechanism of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-ball milling cylinder, 2-first ball milling cylinder, 3-second ball milling cylinder, 4-third ball milling cylinder, 5-filtering hole, 6-rotating cylinder, 7-fixed cylinder, 8-first connecting block, 9-supporting ring, 10-supporting rod, 11-second connecting block, 12-discharging cylinder, 13-discharging pipe, 14-feeding mechanism, 15-driving mechanism, 16-feeding pipe, 17-feeding motor, 18-packing auger, 19-feeding pipe, 20-feeding hopper, 21-driving motor, 22-first driving shaft, 23-speed reducer, 24-second driving shaft, 25-supporting plate, 26-mounting plate, 27-small gear, 28-large gear ring, 29-connecting ring and 30-annular connecting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

a three-stage ball milling device for producing nano materials comprises a ball milling cylinder 1, wherein the ball milling cylinder 1 comprises a first ball milling cylinder 2, a second ball milling cylinder 3 and a third ball milling cylinder 4, the second ball milling cylinder 3 is positioned below the first ball milling cylinder 2, and the third ball milling cylinder 4 is positioned below the second ball milling cylinder 3; the ball grinding cylinder 1 is provided with a filter hole 5 on the body, the second ball grinding cylinder 3 and the third ball grinding cylinder 4 comprise a rotating cylinder 6 and a fixed cylinder 7, the rotating cylinder 6 is rotatably connected with the fixed cylinder 7, the left and right ends of the first ball grinding cylinder 2, the left end of the second ball grinding cylinder 3 and the left end of the rotating cylinder 6 of the third ball grinding cylinder 4 are fixedly connected with a first connecting block 8, the first connecting block 8 is rotatably connected with a support ring 9, a support rod 10 is fixedly connected to the outer side of the support ring 9, the right end of the fixed cylinder 7 is fixedly connected with a second connecting block 11, and the second connecting block 11 is fixedly connected with the support rod 10; the first ball milling barrel 2 and the rotating barrel 6 are externally rotatably connected with a discharging barrel 12, a discharging pipe 13 is fixedly connected below the discharging barrel 12, the right end of the first ball milling barrel 2 is provided with a feeding mechanism 14, and the left side of the ball milling barrel 1 is provided with a driving mechanism 15.

Wherein, the filtration pore 5 aperture of first ball mill section of thick bamboo 2 is greater than the filtration pore 5 aperture of second ball mill section of thick bamboo 3, and the filtration pore 5 aperture of second ball mill section of thick bamboo 3 is greater than the filtration pore 5 aperture of third ball mill section of thick bamboo 4, makes nano-material can filter downwards according to fineness one-level, and hierarchical grinding is more high-efficient. The discharging barrel 12 is fixedly connected with the supporting rod 10, the two discharging pipes 13 above the discharging barrel are fixedly connected with the fixed barrel 7 below the discharging pipes, and the pipe wall below the discharging pipes 13 is an inclined pipe wall, so that the nano material filtered out by the ball grinding barrel 1 can conveniently enter the next-stage ball grinding barrel 1. The feeding mechanism 14 comprises a feeding pipe 16, the feeding pipe 16 is fixedly connected with the support rod 10, a feeding motor 17 is arranged on the right side of the feeding pipe 16, an auger 18 is fixedly connected to the left side of the feeding motor 17, and the feeding motor 17 drives the auger 18 to rotate so as to feed the nano material into the ball milling barrel 1. A feeding pipe 19 is fixedly connected above the feeding pipe 16, and a feeding funnel 20 is fixedly connected above the feeding pipe 19, so that the nano material can be conveniently fed. The driving mechanism 15 comprises a driving motor 21, a first driving shaft 22 is fixedly connected to the right end of the driving motor 21, a speed reducer 23 is fixedly connected to the right end of the first driving shaft 22, a second driving shaft 24 is fixedly connected to the right side of the speed reducer 23, and the second driving shaft 24 is fixedly connected with a supporting plate 25. The driving motor 21, the speed reducer 23 and the supporting plate 25 are all fixedly arranged above the mounting plate 26, the second driving shaft 24 is fixedly connected with a small gear 27, the small gear 27 is meshed with a large gear ring 28, and the large gear ring 28 is fixedly connected with the ball grinding cylinder 1. The two sides of the outer cylinder walls of the first ball grinding cylinder 2 and the rotating cylinder 6 are fixedly connected with connecting rings 29, the left side and the right side of the discharging cylinder 12 are provided with annular connecting grooves 30, the connecting rings 29 are rotatably connected with the annular connecting grooves 30, the outlines of the connecting rings 29 and the annular connecting grooves 30 are both in a T shape, and the discharging cylinder 12 is prevented from moving left and right relative to the ball grinding cylinder 1.

One specific application of this embodiment is:

when the ball mill is used, the nano material to be crushed is fed into the feeding pipe 16 through the feeding hopper 20 and the feeding pipe 19, and the feeding motor 17 drives the packing auger 18 to rotate so as to feed the nano material in the feeding pipe 16 into the first ball mill barrel 2. The driving motor 21 drives the pinion 27 to rotate through the first driving shaft 22, the reducer 23 and the second driving shaft 24, the pinion 27 rotates to drive the large gear ring 28 meshed with the pinion 27 to rotate, and the large gear ring 28 is fixedly connected with the ball grinding cylinder 1, so that the ball grinding cylinder 1 rotates along with the rotation of the large gear ring 28. The grinding balls in the ball grinding cylinder 1 are attached to the cylinder body and taken away by the cylinder body under the action of centrifugal force and friction force, and when the grinding balls are taken to a certain height, the grinding balls are thrown off under the action of gravity of the grinding balls, and the falling grinding balls break the nano materials in the cylinder body like a projectile. The unqualified nano-material of the fineness after smashing is stayed in first ball-milling section of thick bamboo 2 and is continued to smash, and the qualified nano-material of fineness can pass in the filtration hole 5 entering play feed cylinder 12 of first ball-milling section of thick bamboo 2, then gets into second ball-milling section of thick bamboo 3 via play feed cylinder 12 below fixed connection's discharging pipe 13. The nano-material is smashed by the grinding ball as in the first ball milling barrel 2, the nano-material with unqualified fineness is remained in the second ball milling barrel 3 to continue to be smashed, and the nano-material with qualified fineness can pass through the filtering hole 5 of the second ball milling barrel 3 to enter the discharging barrel 12, and then enters the third ball milling barrel 4 through the discharging pipe 13 fixedly connected below the discharging barrel 12. The nano material in the third ball milling barrel 4 is crushed and then discharged through a discharge pipe 13. The invention can grind the nano materials of large particles, larger particles and small particles in a grading way, improves the grinding efficiency and shortens the grinding time.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a three-stage ball-milling device is used in nano-material production, includes ball milling section of thick bamboo (1), its characterized in that: the ball grinding cylinder (1) comprises a first ball grinding cylinder (2), a second ball grinding cylinder (3) and a third ball grinding cylinder (4), the second ball grinding cylinder (3) is positioned below the first ball grinding cylinder (2), and the third ball grinding cylinder (4) is positioned below the second ball grinding cylinder (3); the ball grinding cylinder (1) body is provided with a filter hole (5), the second ball grinding cylinder (3) and the third ball grinding cylinder (4) comprise a rotating cylinder (6) and a fixed cylinder (7), the rotating cylinder (6) is rotatably connected with the fixed cylinder (7), the left and right ends of the first ball grinding cylinder (2), the left end of the second ball grinding cylinder (3) and the left end of the rotating cylinder (6) of the third ball grinding cylinder (4) are fixedly connected with a first connecting block (8), the first connecting block (8) is rotatably connected with a support' ring (9), the outer side of the support ring (9) is fixedly connected with a support rod (10), the right end of the fixed cylinder (7) is fixedly connected with a second connecting block (11), and the second connecting block (11) is fixedly connected with the support rod (10); the ball grinding machine is characterized in that a discharge barrel (12) is rotatably connected to the outer sides of the first ball grinding barrel (2) and the rotating barrel (6), a discharge pipe (13) is fixedly connected to the lower portion of the discharge barrel (12), a feeding mechanism (14) is arranged at the right end of the first ball grinding barrel (2), and a driving mechanism (15) is arranged on the left side of the ball grinding barrel (1).

2. The three-stage ball milling device for producing the nano-materials according to claim 1, which is characterized in that: the aperture of the filter hole (5) of the first ball grinding cylinder (2) is larger than that of the filter hole (5) of the second ball grinding cylinder (3), and the aperture of the filter hole (5) of the second ball grinding cylinder (3) is larger than that of the filter hole (5) of the third ball grinding cylinder (4).

3. The three-stage ball milling device for producing the nano-materials according to claim 1, which is characterized in that: the discharging tube is characterized in that the discharging tube (12) is fixedly connected with the supporting rod (10), the two discharging tubes (13) above are fixedly connected with the fixed tube (7) below the discharging tubes, and the tube walls below the discharging tubes (13) are inclined tube walls.

4. The three-stage ball milling device for producing the nano-materials according to claim 1, which is characterized in that: the feeding mechanism (14) comprises a feeding pipe (16), the feeding pipe (16) is fixedly connected with the supporting rod (10), a feeding motor (17) is arranged on the right side of the feeding pipe (16), and a packing auger (18) is fixedly connected to the left side of the feeding motor (17).

5. The three-stage ball milling device for nano-material production according to claim 4, wherein: a feeding pipe (19) is fixedly connected above the feeding pipe (16), and a feeding funnel (20) is fixedly connected above the feeding pipe (19).

6. The three-stage ball milling device for producing the nano-materials according to claim 1, which is characterized in that: actuating mechanism (15) includes driving motor (21), driving motor (21) right-hand member fixedly connected with first drive shaft (22), first drive shaft (22) right-hand member fixedly connected with reduction gear (23), reduction gear (23) right side fixedly connected with second drive shaft (24), second drive shaft (24) and backup pad (25) fixed connection.

7. The three-stage ball milling device for producing the nano-materials according to claim 6, which is characterized in that: the ball mill is characterized in that the driving motor (21), the speed reducer (23) and the supporting plate (25) are fixedly mounted above the mounting plate (26), the second driving shaft (24) is fixedly connected with a small gear (27), the small gear (27) is meshed with a large gear ring (28), and the large gear ring (28) is fixedly connected with the ball mill barrel (1).

8. The three-stage ball milling device for producing the nano-materials according to claim 1, which is characterized in that: first ball grinding section of thick bamboo (2) and a section of thick bamboo (6) urceolus wall both sides fixedly connected with go up ring (29), go out the feed cylinder (12) left and right sides and be equipped with annular spread groove (30), go up ring (29) and annular spread groove (30) and rotate the connection, go up ring (29) and annular spread groove (30) profile and be the T shape.