CN214765862U

CN214765862U - Planetary ball mill is used in production of gadolinium oxysulfide powder

Info

Publication number: CN214765862U
Application number: CN202121204665.6U
Authority: CN
Inventors: 陈卫东; 蒋程
Original assignee: Jiangsu Lingwan Special Ceramics Technology Co ltd
Current assignee: Jiangsu Lingwan Special Ceramics Technology Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-11-19
Anticipated expiration: 2031-05-31

Abstract

The utility model relates to a production of gadolinium oxysulfide powder is with planet ball mill relates to planet ball mill's technical field, which comprises a bod, be equipped with the support in the organism, it is connected with first bevel gear and second bevel gear to rotate on the support, be equipped with on the support with the coaxial fixed grinding vessel that is used for holding the material of second bevel gear, it is connected with and is used for driving first bevel gear pivoted revolving stage to rotate on the support, be equipped with drive revolving stage pivoted actuating mechanism on the support. This application rotates through the grinding vessel and drives the material rotation, and the material bumps with the grinding vessel under the effect of rotation deviational force, improves the grinding efficiency of material, and then improves the effect of the granule degree of consistency of material.

Description

Planetary ball mill is used in production of gadolinium oxysulfide powder

Technical Field

The application relates to the technical field of planetary ball mills, in particular to a planetary ball mill for producing gadolinium oxysulfide powder.

Background

Gadolinium oxysulfide is a fluorescent substance, and is one of important fluorescent materials used in flat panel detectors for digital radiography. In the process of preparing the gadolinium oxysulfide powder, the gadolinium oxide, the praseodymium oxide, the cerium oxide and the like are generally mixed and ball-milled on a planetary ball mill, and the mixture is placed in a crucible after ball milling for reduction reaction, heating, soaking in salt-free water, stirring, filtering and drying to finally prepare the gadolinium oxysulfide powder.

Chinese patent No. CN204974051U discloses a planetary ball mill, which comprises an adjustable speed motor, a small belt pulley connected with the adjustable speed motor, a first belt and a second belt connected with the small belt pulley, a first large belt pulley connected with the first belt, a second large belt pulley connected with the second belt, a first rotary table connected with the first large belt pulley, and a second rotary table connected with the second large belt pulley, wherein 2 symmetrical ball grinding cylinders are arranged above the first rotary table and the second rotary table, a central rotating shaft is connected below the ball grinding cylinders, a planetary wheel and a sun wheel are connected to the lower part of the central rotating shaft, and the planetary wheel is meshed with the sun wheel.

Aiming at the related technologies, the inventor thinks that the ball mill generates vibration in the operation process, and the speed regulating motor in the related technologies drives the belt pulley to rotate, so that the loosening and the shaking are easy to generate after the ball mill operates for a long time, and the working efficiency of the ball mill is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the working efficiency is low after a belt pulley in a ball mill runs for a long time, the application provides a planetary ball mill for producing gadolinium oxysulfide powder.

The application provides a planet ball mill for gadolinium oxysulfide powder production adopts following technical scheme:

the utility model provides a planet ball mill is used in production of gadolinium oxysulfide powder, includes the organism, be equipped with the support in the organism, it is connected with first bevel gear and second bevel gear to rotate on the support, be equipped with on the support with the coaxial fixed grinding vessel that is used for holding the material of second bevel gear, it is connected with the revolving stage that is used for driving first bevel gear pivoted to rotate on the support, be equipped with drive revolving stage pivoted actuating mechanism on the support.

By adopting the technical scheme, the driving mechanism drives the rotary table to rotate, the rotary table drives the first bevel gear to rotate, the first bevel gear is meshed with the second bevel gear to drive the grinding cylinder to rotate, the grinding cylinder rotates to drive the material to rotate, and the material collides with the grinding cylinder under the action of autorotation deviation force, so that the grinding efficiency of the material is improved, and further the particle uniformity of the material is improved; first bevel gear and second bevel gear meshing transmission, the transmission is steady, reduces the grinding vessel and takes place the risk of rocking, and then improves the work efficiency of ball mill.

Optionally, a third bevel gear engaged with the first bevel gear is fixedly connected to the turntable, the driving mechanism includes a worm gear rotating coaxially with the turntable, a worm is rotatably connected to the support, and a driving motor for driving the worm to rotate is arranged on the support.

Through adopting above-mentioned technical scheme, driving motor drive worm rotates, and worm wheel meshing drive the revolving stage and rotate, and the revolving stage drives third bevel gear and rotates, and third bevel gear meshes with first bevel gear, and then drives the grinding vessel and rotate, and convenient operation saves the manual work.

Optionally, a sealing cover is arranged on the grinding cylinder, the sealing cover is rotatably connected with a stirring shaft, the stirring shaft is fixedly connected with a stirring rod, and a regulating assembly for driving the stirring shaft to rotate is arranged on the sealing cover.

By adopting the technical scheme, the adjusting component drives the stirring shaft to rotate, the stirring shaft drives the stirring rod to rotate, and the stirring rod stirs the material, so that the grinding efficiency of the material is further improved; the sealing cover is fixed with the grinding cylinder, so that the risk of throwing materials out of the grinding cylinder can be effectively reduced.

Optionally, the adjusting assembly comprises a stepping motor fixedly connected with the sealing cover, and an output shaft of the stepping motor is fixedly connected with the stirring shaft.

Through adopting above-mentioned technical scheme, step motor and (mixing) shaft fixed connection, step motor can control the rotation direction of (mixing) shaft, convenient operation, and the transmission is steady, improves the rotation efficiency of (mixing) shaft, and then improves the grinding efficiency of grinding vessel.

Optionally, a cleaning brush is fixedly connected to the stirring rod.

Through adopting above-mentioned technical scheme, clearance brush and puddler fixed connection, clearance brush and grinding ball surface butt reduce the material and glue the risk on grinding ball surface, improve work efficiency, convenient operation betterly.

Optionally, the support is rotatably connected with the machine body, a fixed shaft is fixedly connected to the support, a first slave gear is fixedly connected to the fixed shaft, a first master gear meshed with the first slave gear is rotatably connected to the machine body, and an adjusting motor for driving the first master gear to rotate is arranged on the machine body.

Through adopting above-mentioned technical scheme, the first master gear of accommodate motor drive rotates, and first master gear and first gear engagement from, and then drive the support and rotate, and the axis of rotation of support is perpendicular with the axis of rotation of revolving stage for the grinding vessel can take place three-dimensional rotation, further improves the grinding efficiency of material.

Optionally, a second driven gear is fixedly connected to the fixed shaft, a rotating shaft is rotatably connected to the machine body, a sleeve is connected to the rotating shaft in a key manner, the first main gear is fixedly connected to the sleeve, and a second main gear is fixedly connected to one end, far away from the first main gear, of the sleeve.

By adopting the technical scheme, the first main gear and the second main gear are in key connection with the rotating shaft, so that the first main gear and the second main gear can only move axially along the axis of the rotating shaft and can not rotate circumferentially, the first main gear and the first driven gear are in meshing transmission or the second main gear and the second driven gear are in meshing transmission, when one group of gears are worn, the meshing of the second group of gears can be replaced in time, the transmission stability is improved better, and the production efficiency of the ball mill is improved.

Optionally, a distance between the first master gear and the second master gear is not equal to a distance between the first slave gear and the second slave gear, and a center distance between the first master gear and the first slave gear is equal to a center distance between the second master gear and the second slave gear.

By adopting the technical scheme, the center distance between the first main gear and the first driven gear is equal to the center distance between the second main gear and the second driven gear, the first main gear and the second main gear can axially slide along the rotating shaft, the distances between the first main gear and the second main gear and between the first driven gear and the second driven gear are unequal, and the risk of simultaneous meshing of the two groups of gears is reduced; the transmission ratio between the rotating shaft and the fixed shaft is convenient to adjust, the rotating efficiency of the support is improved, and the grinding efficiency of the grinding cylinder is further improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the driving mechanism drives the rotary table to rotate, the rotary table drives the first bevel gear to rotate, the first bevel gear is meshed with the second bevel gear to drive the grinding cylinder to rotate, the grinding cylinder rotates to drive the material to rotate, the material collides with the grinding cylinder under the action of autorotation deviation force, the grinding efficiency of the material is improved, and the particle uniformity of the material is further improved; the first bevel gear and the second bevel gear are in meshing transmission, so that the transmission is stable, the risk of shaking of the grinding cylinder is reduced, and the working efficiency of the ball mill is improved;

2. the adjusting assembly drives the stirring shaft to rotate, the stirring shaft drives the stirring rod to rotate, and the stirring rod stirs the materials, so that the grinding efficiency of the materials is further improved; the sealing cover is fixed with the grinding cylinder, so that the risk of throwing materials out of the grinding cylinder can be effectively reduced;

3. the center distance between the first main gear and the first driven gear is equal to the center distance between the second main gear and the second driven gear, the first main gear and the second main gear can axially slide along the rotating shaft, the distances between the first main gear and the second main gear and between the first driven gear and the second driven gear are unequal, and the risk of simultaneous meshing of the two groups of gears is reduced; the transmission ratio between the rotating shaft and the fixed shaft is convenient to adjust, the rotating efficiency of the support is improved, and the grinding efficiency of the grinding cylinder is further improved.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic structural diagram for embodying a driving mechanism according to an embodiment of the present application.

Fig. 3 is a partially enlarged view of a in fig. 2.

Fig. 4 is a partially enlarged view of B in fig. 2.

Description of reference numerals: 1. a body; 11. adjusting the motor; 12. a support frame; 121. a fulcrum; 2. a support; 21. a fixed shaft; 211. a first slave gear; 212. a second slave gear; 22. a rotating shaft; 221. a first main gear; 222. a second main gear; 223. a sleeve; 3. a first bevel gear; 4. a second bevel gear; 5. a grinding cylinder; 51. a sealing cover; 52. a stirring shaft; 53. a stirring rod; 54. cleaning a brush; 55. an adjustment assembly; 551. a stepping motor; 6. a turntable; 61. a third bevel gear; 7. a drive mechanism; 71. a worm gear; 72. a worm; 73. the motor is driven.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a planetary ball mill for producing gadolinium oxysulfide powder. Referring to fig. 1 and 2, a planetary ball mill for gadolinium oxysulfide powder production includes organism 1, the rotation is connected with support 2 in organism 1, the rotation is connected with first bevel gear 3 and second bevel gear 4 on support 2, the rotation is connected with the grinding vessel 5 with the coaxial fixed of second bevel gear 4 on support 2, the material has been held in the grinding vessel 5, the quantity of grinding vessel 5 is 2 in this application embodiment, the rotation is connected with the revolving stage 6 that is used for driving first bevel gear 3 pivoted on support 2, revolving stage 6 is discoid in this application embodiment, install drive turntable 6 pivoted actuating mechanism 7 on the support 2.

When the grinding machine works, the driving mechanism 7 drives the rotary table 6 to rotate, the rotary table 6 drives the first bevel gear 3 to rotate, the first bevel gear 3 is meshed with the second bevel gear 4 to drive the grinding cylinder 5 to rotate, the grinding cylinder 5 rotates to drive materials and grinding balls to rotate, and the grinding balls and the materials are in contact extrusion with each other, so that the particle uniformity of the materials is improved better; first bevel gear 3 and the meshing of second bevel gear 4, the transmission is steady, reduces grinding vessel 5 and takes place the risk of rocking, and then improves grinding vessel 5's grinding efficiency.

Referring to fig. 2, a third bevel gear 61 is fixed to the turn table 6 by a bolt, the third bevel gear 61 is in meshing transmission with the first bevel gear 3, and the third bevel gear 61 is overlapped with the axis of the turn table 6. The driving mechanism 7 comprises a worm wheel 71 which coaxially rotates with the rotary table 6, one end of the support 2, which is back to the third bevel gear 61, is fixed with a driving motor 73 through a bolt, an output shaft of the driving motor 73 is connected with a rotating shaft through a coupler, a worm 72 is in key connection with the rotating shaft, and the worm 72 is in meshing transmission with the worm wheel 71. The output shaft of the driving motor 73 rotates to drive the worm 72 to rotate, the worm 72 is meshed with the worm wheel 71 to drive the third bevel gear 61 to rotate, and the third bevel gear 61 is meshed with the first bevel gear 3 to drive the grinding cylinder 5 to rotate.

Referring to fig. 3, a fixed shaft 21 is welded on one side of a bracket 2, a first driven gear 211 and a second driven gear 212 are keyed on the fixed shaft 21, a support frame 12 is fixed on one side of a machine body 1 facing the fixed shaft 21 through bolts, a fulcrum shaft 121 is welded on the support frame 12, one end of the fulcrum shaft 121 far away from the support frame 12 is rotatably connected with the bracket 2, and the bracket 2 can rotate around the axis of the fulcrum shaft 121; an adjusting motor 11 is fixed on the machine body 1 through a bolt, an output shaft of the adjusting motor 11 is connected with a rotating shaft 22 through a coupler, one end, far away from the machine body 1, of the rotating shaft 22 is rotatably connected with the support frame 12, the axis of the rotating shaft 22 is overlapped with the axis of the fulcrum 121, but the rotating shaft 22 is not communicated with the fulcrum 121.

Referring to fig. 3, the rotating shaft 22 is keyed with a sleeve 223, and the sleeve 223 can slide along the axis of the rotating shaft 22. A first main gear 221 is fixed to one end of the sleeve 223 close to the bracket 2 by a screw, a second main gear 222 is fixed to one end of the sleeve 223 far from the first main gear 221 by a screw, and the first main gear 221, the second main gear 222 and the rotating shaft 22 are coaxially arranged. The distance between the first main gear 221 and the second main gear 222 is not equal to the distance between the first slave gear 211 and the second slave gear 212, and in the embodiment of the present application, the distance between the first main gear 221 and the second main gear 222 is smaller than the distance between the first slave gear 211 and the second slave gear 212. In the present embodiment, the diameter of the first main gear 221 is equal to the diameter of the second slave gear 212, and the diameter of the second main gear 222 is equal to the diameter of the first slave gear 211. The diameter of the first master gear 221 and the diameter of the second slave gear 212 are both smaller than the diameter of the second master gear 222 and the diameter of the first slave gear 211.

During operation, the adjusting motor 11 drives the rotating shaft 22 to rotate, and an operator slides the sleeve 223, so that the second master gear 222 is engaged with the second slave gear 212, the rotating shaft 22 rotates to drive the second master gear 222 to rotate, the second master gear 222 is engaged with the second slave gear 212 to drive the bracket 2 to rotate around the axis of the support shaft 121, so that the grinding cylinder 5 revolves while rotating, the rotating shaft 22 line of the bracket 2 is perpendicular to the rotating axis of the grinding cylinder 5, the turbulence capability of materials in the grinding cylinder 5 is improved, the grinding efficiency of the grinding cylinder 5 is improved well, and the grinding uniformity of the materials is improved. The operator slides the sleeve 223 again to make the first master gear 221 mesh with the first slave gear 211, the diameter of the first slave gear 211 is larger than that of the first master gear 221, the transmission ratio of the first master gear 221 and the first slave gear 211 is increased, the rotation speed of the bracket 2 is further increased, the grinding efficiency of the grinding cylinder 5 is further improved, and the operation is convenient.

Referring to fig. 2 and 4, the grinding cylinder 5 is fixed with a sealing cover 51 by bolts, so that the sealing performance of the grinding cylinder 5 is improved, and the risk of throwing the materials out of the grinding cylinder 5 is reduced. The sealing cover 51 is rotatably connected with a stirring shaft 52, stirring rods 53 are welded on the stirring shaft 52 along the axial direction of the stirring shaft 52, and the stirring rods 53 are arranged along the axial line of the stirring shaft 52 in a staggered mode. A number of cleaning brushes 54 are arranged on the agitator bar 53 along its own axis. The sealing cover 51 is provided with an adjusting component 55 for driving the stirring shaft 52 to rotate. In the embodiment of the present application, the adjusting assembly 55 is a stepping motor 551. Step motor 551 drive (mixing) shaft 52 rotates, and (mixing) shaft 52 drives puddler 53 and rotates, and cleaning brush 54 on the puddler 53 contacts with the grinding ball, is convenient for reduce the risk that the material glues on the grinding ball, further improves grinding efficiency.

The implementation principle of the planetary ball mill for producing the gadolinium oxysulfide powder in the embodiment of the application is as follows: in operation, an operator first puts the material and the grinding balls into the grinding cylinder 5 and locks the sealing cover 51. Then, the adjusting motor 11, the driving motor 73 and the stepping motor 551 are started simultaneously, the adjusting motor 11 drives the rotating shaft 22 to rotate, the rotating shaft 22 drives the first main gear 221 to rotate, and the first main gear 221 is meshed with the first driven gear 211 to drive the bracket 2 to rotate around the axis of the fulcrum shaft 121; the driving motor 73 drives the worm 72 to rotate, the worm 72 is meshed with the worm wheel 71, the rotary table 6 is driven to rotate, the rotary table 6 drives the third bevel gear 61 to rotate, the third bevel gear 61 is meshed with the first bevel gear 3, the first bevel gear 3 is meshed with the second bevel gear 4, the grinding cylinder 5 is driven to rotate, the grinding cylinder 5 drives materials and grinding balls to rotate, meanwhile, the step motor 551 drives the stirring shaft 52 to rotate, the stirring shaft 52 drives the stirring rod 53 to rotate, the stirring rod 53 drives the cleaning brush 54 to rotate, the cleaning brush 54 is abutted to the surfaces of the grinding balls, the materials adhered to the surfaces of the grinding balls are cleaned, the operation is convenient, the particle uniformity of the materials is improved well, and the grinding efficiency is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a planet ball mill is used in production of gadolinium oxysulfide powder, includes organism (1), be equipped with support (2) in organism (1), its characterized in that: the grinding device is characterized in that a first bevel gear (3) and a second bevel gear (4) are connected to the support (2) in a rotating mode, a grinding cylinder (5) which is coaxially fixed with the second bevel gear (4) and used for containing materials is arranged on the support (2), a rotary table (6) which is used for driving the first bevel gear (3) to rotate is connected to the support (2) in a rotating mode, and a driving mechanism (7) which drives the rotary table (6) to rotate is arranged on the support (2).

2. The planetary ball mill for producing gadolinium oxysulfide powder according to claim 1, characterized in that: fixedly connected with is used for third bevel gear (61) with first bevel gear (3) meshing on revolving stage (6), actuating mechanism (7) include with revolving stage (6) coaxial pivoted worm wheel (71), it is connected with worm (72) to rotate on support (2), be equipped with on support (2) drive worm (72) pivoted driving motor (73).

3. The planetary ball mill for producing gadolinium oxysulfide powder according to claim 1, characterized in that: be equipped with sealed lid (51) on grinding vessel (5), it is connected with (mixing) shaft (52) to rotate on sealed lid (51), fixedly connected with puddler (53) on (mixing) shaft (52), be equipped with drive (mixing) shaft (52) pivoted adjusting part (55) on sealed lid (51).

4. The planetary ball mill for producing gadolinium oxysulfide powder according to claim 3, characterized in that: the adjusting assembly (55) comprises a stepping motor (551) fixedly connected with the sealing cover (51), and an output shaft of the stepping motor (551) is fixedly connected with the stirring shaft (52).

5. The planetary ball mill for producing gadolinium oxysulfide powder according to claim 3, characterized in that: the stirring rod (53) is fixedly connected with a cleaning brush (54).

6. The planetary ball mill for producing gadolinium oxysulfide powder according to claim 1, characterized in that: the adjustable gear box is characterized in that the support (2) is rotatably connected with the machine body (1), a fixed shaft (21) is fixedly connected onto the support (2), a first driven gear (211) is fixedly connected onto the fixed shaft (21), a first main gear (221) meshed with the first driven gear (211) is rotatably connected onto the machine body (1), and an adjusting motor (11) for driving the first main gear (221) to rotate is arranged on the machine body (1).

7. The planetary ball mill for producing gadolinium oxysulfide powder according to claim 6, characterized in that: the fixed shaft (21) is fixedly connected with a second driven gear (212), the machine body (1) is rotatably connected with a rotating shaft (22), the rotating shaft (22) is connected with a sleeve (223) in a key mode, the first main gear (221) is fixedly connected with the sleeve (223), and one end, far away from the first main gear (221), of the sleeve (223) is fixedly connected with a second main gear (222).

8. The planetary ball mill for producing gadolinium oxysulfide powder according to claim 7, characterized in that: the distance between the first main gear (221) and the second main gear (222) is not equal to the distance between the first slave gear (211) and the second slave gear (212), and the center distance between the first main gear (221) and the second slave gear (212) is equal to the center distance between the second main gear (222) and the second slave gear (212).