CN109127007B - Turntable device for planetary ball mill - Google Patents

Turntable device for planetary ball mill Download PDF

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Publication number
CN109127007B
CN109127007B CN201811188945.5A CN201811188945A CN109127007B CN 109127007 B CN109127007 B CN 109127007B CN 201811188945 A CN201811188945 A CN 201811188945A CN 109127007 B CN109127007 B CN 109127007B
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China
Prior art keywords
turntable
ball mill
holes
planetary ball
planetary
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CN201811188945.5A
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Chinese (zh)
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CN109127007A (en
Inventor
李青春
徐莉娟
李想
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Henan Xiandao Mechanical Force Chemical Research Institute Co ltd
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Henan Xiandao Mechanical Force Chemical Research Institute Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/04Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with unperforated container
    • B02C17/08Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with unperforated container with containers performing a planetary movement
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/18Details
    • B02C17/24Driving mechanisms

Abstract

Disclosed is a turntable device for a planetary ball mill, which includes a central shaft, a first turntable including a first turntable surface perpendicular to the central shaft and a first inclined surface located at an edge of the first turntable, the first inclined surface being adjacent to the first turntable surface, the first turntable surface being provided with a first central hole and a plurality of first through holes of central symmetry, the first turntable being vertically fixed to the central shaft via the first central hole, a second turntable arranged parallel to the first turntable including a second turntable surface perpendicular to the central shaft and a second inclined surface located at an edge of the second turntable, the second inclined surface being adjacent to the second turntable surface and parallel to the first inclined surface, the second turntable surface being provided with a second central hole and a plurality of second through holes of central symmetry, the second turntable being vertically fixed to the central shaft via the second central hole, and a mounting portion including a mounting body, a belt groove, and two bushings.

Description

Turntable device for planetary ball mill
Technical Field
The invention relates to the fields of crushing, grinding, mechanical force activation, mechanochemical and mechanical alloy processing, in particular to a planetary ball mill.
Background
Ball mills have been known as conventional grinding equipment for over 100 years. It is used as important equipment for refining and pulverizing solid material, and is widely used in metallurgical, chemical, cement, ceramic, building, electric power, medicine, national defense industry and other departments. Especially the ore dressing department in metallurgical industry, the ore grinding operation is very important.
The planetary ball mill grinding cylinder can be horizontally arranged or vertically arranged on the common turntable. The main difference between the two is that the movement modes of the grinding drums are different. The cylinder body of the common ball mill only rotates around a fixed central shaft, the planetary grinding cylinder moves in a complex plane, on one hand, the motor drives the common turntable to rotate, and the grinding cylinder arranged on the common turntable rotates along with the common turntable, so that the planetary grinding cylinder moves in a revolution and a connection manner; on the other hand, the grinding cylinder also rotates around the central shaft of the grinding cylinder to move relatively under the action of the transmission of the gears or the triangular belts. This planar motion of the drum, which has both revolution and rotation, is referred to as planetary motion. The planetary motion of the grinding cylinder is a basic sign of the planetary ball mill as distinguished from the common ball mill. It can be regarded as a new model developed by combining a common ball mill with a centrifugal ball mill.
The planetary high-energy ball mill can crush and grind materials and is widely used in the fields of metallurgy, mineral products, chemical industry, medicine, geology and the like. The planetary ball mill is provided with a plurality of ball milling tanks on the same main shaft turntable, and each ball milling tank rotates, namely, performs planetary motion while revolving around the main shaft. Compared with other ball mills, the ball mill has higher impact force and impact frequency, can better crush and weld powder, is an important device for a mechanical alloying method in material preparation, and is a complex physicochemical process for alloying element atomic scale by repeatedly deforming, cold welding, crushing and refining the material and continuously exposing fresh surfaces by utilizing long-time high-energy impact and rolling between the material, the grinding ball and the ball milling tank in the material preparation process, so that each element atom is mutually diffused or subjected to solid state reaction.
The planetary grinding cylinder is horizontally arranged on the large turntable which is arranged perpendicular to the ground plane, and when in operation, the planetary grinding cylinder not only rotates per se, but also revolves along with the large turntable to form planetary motion. In the moving process, the ball milling tank has no fixed bottom surface, and the grinding balls and the grinding materials in the grinding cylinder are subjected to the combined action of revolution centrifugal force, rotation centrifugal force and gravity in a vertical plane. When the machine rotates, the stress of each point in the tank is continuously changed in size and direction, so that the grinding balls and the grinding materials are collided and extruded violently in high-speed operation, and the grinding efficiency and the grinding effect are greatly improved. Particularly, the ball milling tank is in a horizontal arrangement mode, and has no fixed bottom surface due to autorotation, so that the phenomenon of bottom formation of a part of raw materials is avoided.
In recent years, due to the increase of energy cost and the reduction of ore grade, the reduction of construction investment and production cost is a serious problem facing the mining industry of various countries in the world, the adoption of high-efficiency large-scale equipment is the main trend of the construction of modern mineral processing plants, and the enlargement of a horizontal ball mill and the reduction of vibration and noise are defects in the prior art.
The above information disclosed in the background section is only for enhancement of understanding of the background of the invention and therefore may contain information that does not form the prior art that is already known in the country to a person of ordinary skill in the art.
Disclosure of Invention
In view of the above, an object of the present invention is to overcome the drawbacks of the prior art and to provide a turntable device for a planetary ball mill, which can be enlarged, is easy to install, reduces vibrations and noise, and significantly improves the crushing efficiency and the service life of the equipment.
In order to achieve the above object, the present invention provides a turntable device for a planetary ball mill comprising,
a central axis of the cylinder,
a first turntable including a first turntable surface perpendicular to the central axis and a first inclined surface located at an edge of the first turntable, the first inclined surface being adjacent to the first turntable surface, the first turntable surface being provided with a first central hole and a plurality of first through holes being centrally symmetrical, the first turntable being vertically fixed to the central axis via the first central hole,
a second turntable disposed parallel to the first turntable, the second turntable including a second turntable surface perpendicular to the central axis and a second inclined surface at an edge of the second turntable, the second inclined surface being adjacent to the second turntable surface and parallel to the first inclined surface, the second turntable surface being provided with a second central hole and a plurality of second through holes being centrally symmetrical, the second turntable being vertically fixed to the central axis via the second central hole, wherein the first through holes and the second through holes are coaxially disposed,
a mounting part fixedly connected with the second turntable and synchronously rotating with the second turntable, wherein the mounting part comprises,
the body is installed on the main body,
pi Daicao, a belt groove arranged on the mounting body is connected with the driving unit through a belt to drive the mounting part and the second turntable to rotate,
and two bushings supporting the planetary roller such that the planetary roller passing through the first and second through holes is rotatably disposed between the first and second turntable surfaces.
In the turntable device for the planetary ball mill, the mounting part and the second turntable are integrally formed.
In the described turntable device for a planetary ball mill, two bushings are arranged parallel to the central axis.
In the turntable device for a planetary ball mill, the axes of the first through hole and the second through hole which are coaxially arranged are parallel to the central axis.
In the turntable device for a planetary ball mill, the first turntable and/or the second turntable are/is fixed to the central shaft via shaft pins.
In the turntable device for the planetary ball mill, the first turntable surface and the second turntable surface are respectively provided with a first inner wall and a second inner wall which are coaxial, and the planetary mill cylinder is tangential to the first inner wall and the second inner wall.
In the turntable device for the planetary ball mill, the first turntable and the second turntable are of a truncated cone structure.
In the turntable device for the planetary ball mill, the first turntable and the second turntable are of an integrated structure.
In the turntable device for a planetary ball mill, the first turntable and the second turntable have 4 first through holes and 4 second through holes coaxially arranged, respectively, and 4 planetary grinding drums are rotatably arranged in the first through holes and the second through holes.
In the turntable device for the planetary ball mill, the installation body is fixedly connected with the central shaft, the motor drives the installation body through the belt, and the installation body actuates the central shaft to rotate so that the first turntable and the second turntable synchronously rotate.
In the turntable device for the planetary ball mill, a first shell arranged on the right side of a first turntable, a second shell arranged on the left side of a second turntable and an annular shell connected with the first shell and the second shell form a closed discharge space in a substantially annular shape.
The beneficial effects of the invention are that
The first turntable and the second turntable of the turntable device for the planetary ball mill enable the turntable device to be stable in revolution and small in vibration and noise on the basis of large size, the planetary grinding cylinder rotatably arranged between the surfaces of the first turntable and the second turntable through the first through hole and the second through hole rotates along with the revolution of the first turntable and the second turntable, and the planetary grinding cylinder rotates at a speed different from the rotation speed of the central shaft. The mounting part of the invention can enable the second tray to be simply and conveniently mounted and stably transmitted with power, and the planetary mill tube passing through the first through hole and the second through hole is rotatably arranged between the surface of the first rotary disc and the surface of the second rotary disc.
Drawings
Fig. 1 is a schematic structural view of a turntable device for a planetary ball mill according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Fig. 1 is a schematic structural view of a turntable device for a planetary ball mill according to an embodiment of the present invention, as shown in the drawings, a turntable device for a planetary ball mill comprising:
the central axis 200 is provided with a central axis,
a first rotating disc 310, the first rotating disc 310 including a first rotating disc surface 311 perpendicular to the central shaft 200 and a first inclined surface 312 at an edge of the first rotating disc 311, the first inclined surface 312 abutting the first rotating disc surface 311, the first rotating disc surface 311 being provided with a first central hole and a plurality of first through holes of central symmetry, the first rotating disc 310 being vertically fixed to the central shaft 200 via the first central hole,
a second turntable 320, the second turntable 320 being arranged in parallel to the first turntable 310 including a second turntable surface 321 perpendicular to the central axis 200 and a second inclined surface 322 at an edge of the second turntable 320, the second inclined surface 322 being adjacent to the second turntable surface 321 and being parallel to the first inclined surface 312, the second turntable surface 321 being provided with a second central hole and a plurality of second through holes being centrally symmetrical, the second turntable 320 being vertically fixed to the central axis 200 via the second central hole, wherein the first through holes and the second through holes are coaxially arranged,
a mounting part fixedly connected to the second turntable and rotated in synchronization with the second turntable, the mounting part 330 fixedly connected to the second turntable 320 and rotated in synchronization with the second turntable 320, the mounting part 330 comprising,
the mounting body 331 is provided with a plurality of mounting holes,
pi Daicao 332, a belt groove 332 provided on the mounting body 331 is connected to the driving unit 700 via a belt to drive the mounting portion 330 and the second turntable 320,
two bushings supporting the planetary roller such that the planetary roller passing through the first and second through holes is rotatably disposed between the first and second turntable surfaces 311 and 321.
In a preferred embodiment of a turntable assembly for a planetary ball mill according to the present invention, the mounting portion 330 is integrally formed with the second turntable 320.
In a preferred embodiment of a turntable device for a planetary ball mill according to the present invention, two bushings are arranged parallel to said central axis 200.
In a preferred embodiment of a turntable device for a planetary ball mill according to the present invention, the axes of the first and second through holes coaxially arranged are parallel to the central axis 200.
In a preferred embodiment of a turntable assembly for a planetary ball mill according to the present invention, the first turntable 310 and/or the second turntable 320 are fixed to the central shaft via shaft pins.
In a preferred embodiment of a turntable assembly for a planetary ball mill according to the present invention, the first turntable surface 311 and the second turntable surface 321 are provided with a first inner wall and a second inner wall, respectively, which are coaxial, and the planetary mill cylinder is tangential to the first inner wall and the second inner wall.
In a preferred embodiment of a turntable device for a planetary ball mill according to the present invention, the first turntable 310 and the second turntable 320 have a truncated cone structure.
In a preferred embodiment of a turntable device for a planetary ball mill according to the present invention, the first turntable 310 and the second turntable 320 are integrally formed.
In a preferred embodiment of a turntable device for a planetary ball mill according to the present invention, the first turntable 310 and the second turntable 320 have 4 first through holes and 4 second through holes coaxially arranged, respectively, and 4 planetary rollers are rotatably arranged in the first through holes and the second through holes.
In a preferred embodiment of a turntable device for a planetary ball mill according to the present invention, a mounting body 331 is fixedly connected to a central shaft 200, a motor drives the mounting body 331 via a belt, and the mounting body 331 actuates the central shaft 200 to rotate so that the first turntable 310 and the second turntable 320 synchronously rotate.
For a further understanding of the invention, reference is made to the following examples for further illustration.
In one embodiment, the first rotating disc 310 and the second rotating disc 320 are in a truncated cone structure, the plurality of fixing members connect the first inclined surface 312 and the second inclined surface 322, a gap between the first inclined surface 312 and the second inclined surface 322 forms a discharging cavity, and the discharging port is located in the discharging cavity. The first rotating disc surface 311 and the second rotating disc surface 321 are respectively provided with a first inner wall and a second inner wall which are coaxial, and the grinding cylinder body is tangential to the first inner wall and the second inner wall.
In one embodiment, the central shaft 200 is supported on the frame 100.
In one embodiment, the drive unit 700 is a motor.
In one embodiment, the discharge device is hermetically connected to the first rotary table 310 and the second rotary table 320, and the discharge device fixedly connected to the frame 100 is configured to discharge the abrasive material from the discharge port, and the discharge device includes,
a closed housing 510 which is closed to connect the turntable device 300 to form a closed discharge space, the closed housing 510 including a plurality of sealing members 511 provided on the closed housing 510, a plurality of first discharge ports 512 distributed at a middle upper portion of the closed housing 510, and a plurality of second discharge ports 513 distributed at a lower portion of the closed housing 510, the plurality of sealing members 511 being sealingly coupled to the second turntable 320,
and a negative pressure forming unit configured to form a negative pressure of a predetermined pressure in the discharge space to discharge a predetermined weight of the abrasive from the first discharge port 512, and the abrasive exceeding the predetermined weight is discharged from the second discharge port 513 based on the action of gravity.
In one embodiment, the bottom of the closed housing 510 is provided with a flat bottom receiving portion in which the abrasive exceeding a predetermined weight is received based on the action of gravity, and the abrasive in the receiving portion is discharged through the second discharge port 513.
In one embodiment, the closed housing 510 includes a first housing 516 provided on the right side of the first rotary table 310, a second housing 517 provided on the left side of the second rotary table 320, and an annular housing connecting the first housing 516 and the second housing 517 to form a substantially annular closed discharge space.
In one embodiment, the feeding device 600 is attached to the first rotating disc 310, and the feeding device 600 configured to continuously feed comprises,
a feeding mechanism 610, the feeding mechanism 610 configured to continuously supply material is fixed on the frame 100, and comprises a feeding hopper 611, the feeding hopper 611 containing the material to be crushed is provided with a feeding opening 612, the feeding hopper 611 is vertically and downwardly fed to the feeding opening 612,
a feed divider 620, said feed divider 620 configured to distribute material to a plurality of said mill cylinder bodies, rotates synchronously with the turntable assembly 300, comprising,
a feed inlet 621, a feed inlet 621 rotatably fitted with the feed inlet 612 is arranged at the center position of the feed mechanism 620,
the material distribution openings are respectively communicated with the material inlet, and the material distribution openings are communicated with the material inlet through a spiral material inlet channel.
The turntable device for a planetary ball mill of the present invention can be manufactured and used in the crushing field.
Although the embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above-described specific embodiments and application fields, and the above-described specific embodiments are merely illustrative, and not restrictive. Those skilled in the art, having the benefit of this disclosure, may effect numerous forms of the invention without departing from the scope of the invention as claimed.

Claims (9)

1. A turntable device for a planetary ball mill, comprising:
a central axis of the cylinder,
a first turntable including a first turntable surface perpendicular to the central axis and a first inclined surface located at an edge of the first turntable, the first inclined surface being adjacent to the first turntable surface, the first turntable surface being provided with a first central hole and a plurality of first through holes being centrally symmetrical, the first turntable being vertically fixed to the central axis via the first central hole,
a second turntable disposed parallel to the first turntable, the second turntable including a second turntable surface perpendicular to the central axis and a second inclined surface at an edge of the second turntable, the second inclined surface being adjacent to the second turntable surface and parallel to the first inclined surface, the second turntable surface being provided with a second central hole and a plurality of second through holes being centrally symmetrical, the second turntable being vertically fixed to the central axis via the second central hole, wherein the first through holes and the second through holes are coaxially disposed,
the first shell is arranged on the right side of the first rotating disc, the second shell is arranged on the left side of the second rotating disc, the first shell and the second shell are connected through an annular shell, the first shell, the second shell and the annular shell form a closed discharging space in a nearly annular shape,
the installation part is fixedly connected with the second turntable and synchronously rotates with the second turntable, the installation part and the second turntable are integrally formed, the installation part comprises,
the body is installed on the main body,
pi Daicao, a belt groove arranged on the mounting body is connected with the driving unit through a belt to drive the mounting part and the second turntable to rotate,
and two bushings supporting the planetary roller such that the planetary roller passing through the first and second through holes is rotatably disposed between the first and second turntable surfaces.
2. A turntable device for a planetary ball mill according to claim 1, wherein: two bushings are arranged parallel to the central axis.
3. A turntable device for a planetary ball mill according to claim 1, wherein: the axes of the first through hole and the second through hole which are coaxially arranged are parallel to the central axis.
4. A turntable device for a planetary ball mill according to claim 1, wherein: the first turntable and/or the second turntable are fixed to the central shaft via a shaft pin.
5. A turntable device for a planetary ball mill according to claim 1, wherein: the first rotary disc surface and the second rotary disc surface are respectively provided with a first inner wall and a second inner wall which are coaxial, and the planetary mill tube is tangential to the first inner wall and the second inner wall.
6. A turntable device for a planetary ball mill according to claim 1, wherein: the first rotary disc and the second rotary disc are of a truncated cone structure.
7. A turntable device for a planetary ball mill according to claim 1, wherein: the first turntable and the second turntable are of an integrated structure.
8. A turntable device for a planetary ball mill according to claim 1, wherein: the first turntable and the second turntable are respectively provided with 4 first through holes and 4 second through holes which are coaxially arranged, and 4 planetary grinding drums are rotatably arranged in the first through holes and the second through holes.
9. A turntable device for a planetary ball mill according to claim 1, wherein: the installation body fixed connection center pin, the motor is via belt drive the installation body, installation body actuation center pin rotates and makes first carousel and second carousel synchronous rotation.
CN201811188945.5A 2018-10-12 2018-10-12 Turntable device for planetary ball mill Active CN109127007B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811188945.5A CN109127007B (en) 2018-10-12 2018-10-12 Turntable device for planetary ball mill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811188945.5A CN109127007B (en) 2018-10-12 2018-10-12 Turntable device for planetary ball mill

Publications (2)

Publication Number Publication Date
CN109127007A CN109127007A (en) 2019-01-04
CN109127007B true CN109127007B (en) 2023-12-19

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2459082Y (en) * 2000-12-28 2001-11-14 扬州群友粉体材料科技有限公司 Dry method mechanical continuous loading/unloading type planetary ball mill
CN203816719U (en) * 2014-05-06 2014-09-10 南京工业大学 Transmission structure of horizontal planetary ball mill
KR101852690B1 (en) * 2016-11-18 2018-04-26 이창훈 Planetary ball mill
CN208975934U (en) * 2018-10-12 2019-06-14 河南先导机械力化学研究院有限公司 Rotating-table apparatus for planetary ball mill

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2459082Y (en) * 2000-12-28 2001-11-14 扬州群友粉体材料科技有限公司 Dry method mechanical continuous loading/unloading type planetary ball mill
CN203816719U (en) * 2014-05-06 2014-09-10 南京工业大学 Transmission structure of horizontal planetary ball mill
KR101852690B1 (en) * 2016-11-18 2018-04-26 이창훈 Planetary ball mill
CN208975934U (en) * 2018-10-12 2019-06-14 河南先导机械力化学研究院有限公司 Rotating-table apparatus for planetary ball mill

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