CN212856010U

CN212856010U - Planetary ball mill driven by bevel gear

Info

Publication number: CN212856010U
Application number: CN202021611592.8U
Authority: CN
Inventors: 潘皓; 李国良; 何亚登
Original assignee: Hunan Chuangweilai Mechanical And Electrical Equipment Manufacturing Co ltd
Current assignee: Hunan Chuangweilai Mechanical And Electrical Equipment Manufacturing Co ltd
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2021-04-02
Anticipated expiration: 2030-08-06

Abstract

The utility model discloses a planetary ball mill of bevel gear transmission, including frame and transmission main shaft, be equipped with the bottom plate in the frame, the bottom plate downside is equipped with bevel gear, a supporting seat, the universal joint, motor and transmission shaft, motor and supporting seat are fixed in the frame of bottom plate downside, transmission shaft one end and motor output fixed connection, the other end and bevel gear fixed connection, and the rotatable bottom plate downside that is fixed in of transmission shaft, the bottom plate upside is equipped with planetary drive mechanism, and the jar that grinds of a plurality of one-to-one on can seat and the jar that grinds of arranging in on the can seat, a plurality of grinds can seat and rotationally evenly sets up along planetary drive mechanism axial, the transmission main shaft rotationally passes the bottom plate setting, its upper end and planetary drive mechanism fixed connection, lower extreme and. The utility model discloses an adopt bevel gear and universal joint to carry out the transmission, guaranteed the material characteristic, reduced and maintained the degree of difficulty and maintenance cost, have easy to maintain, stable performance and the good characteristics of grinding effect.

Description

Planetary ball mill driven by bevel gear

Technical Field

The utility model relates to a ball mill technical field especially relates to a planetary ball mill of bevel gear transmission.

Background

The ball mill is a key device for crushing materials after the materials are crushed, is widely applied to production industries of cement, silicate products, novel building materials, refractory materials, chemical fertilizers, black and non-ferrous metal ore dressing, glass ceramics and the like, and is used for dry or wet grinding of various ores and other grindable materials. As the application fields of the ball mill are more and more extensive, the requirements of each field on material grinding are higher and higher, such as higher requirements on the running stability, the rotating speed and the safety of the ball mill, the continuous running time of the ball mill and the like.

As patent CN201610215834.3 discloses a planetary ball mill that gear motor directly links, its technical scheme who adopts does: the ball milling device comprises a frame, a planetary motor, a speed reducer, a base, a rotating shaft, a planetary bearing, a planetary turntable, a ball milling tank sleeve, a fixed shaft, a fixed bearing and a ball milling tank; the rack is of a polygonal frame structure, a stepped clamping groove is formed in the upper end of the rack, the planetary motor is located right below the rack, the upper end of the planetary motor is connected with a speed reducer, a main shaft of the speed reducer penetrates through the central position of the bottom end of the rack, the speed reducer is fixed to the lower end of the rack through a base, the lower end of a rotating shaft is connected with the main shaft of the speed reducer, the upper end of the rotating shaft is fixed to the lower end of the planetary turntable through a planetary bearing; the ball milling tank sleeve is positioned above the planetary turntable, the upper end of the fixed shaft is fixedly connected with the ball milling tank sleeve, the lower end of the fixed shaft penetrates through the upper end face of the rack, the middle end of the fixed shaft is fixed on the rack through the fixed bearing, and the ball milling tank is arranged on the ball milling tank sleeve. The biggest drawback of the ball mill is that the speed reducer has high noise and is easy to leak oil, after the speed reducer is directly connected with the planetary transmission mechanism, heat in the ball milling tank is easily conducted to the speed reducer and the motor, so that the service life of the ball milling tank is influenced, meanwhile, the speed reducer and the motor are heated and are also easily conducted to the ball milling tank, so that the characteristics of materials are influenced, meanwhile, the gravity center of equipment is improved by the ball mill structure, the operation of a user is influenced, the attractiveness and the service performance stability of the equipment are also influenced, and most importantly, the maintenance difficulty of the ball mill.

In view of this, it is an urgent technical problem to be solved by those skilled in the art to design a planetary ball mill driven by bevel gears, which is easy to maintain, stable in performance and good in grinding effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a planetary ball mill of bevel gear transmission, planetary ball mill carries out the transmission through adopting bevel gear, and the problem of the mutual transmission of heat that generates heat with speed reducer and motor in the big easy oil leak of speed reducer noise and the ball jar of going of existence and the line ball mill effectively has been solved, and the life who has effectively promoted the motor has guaranteed the characteristic of the interior material of mill jar, simultaneously through reducing the equipment focus, has improved the stability ability of equipment, has reduced the equipment maintenance cost and has maintained the degree of difficulty to the grinding effect of the interior material of mill jar has been guaranteed.

In order to solve the technical problem, the utility model provides a planetary ball mill driven by bevel gears, which comprises a frame and a transmission main shaft, a bottom plate is arranged on the machine frame, a bevel gear, a supporting seat, a universal joint, a motor and a transmission shaft are arranged on the lower side of the bottom plate, the motor and the supporting seat are fixed on the machine frame on the lower side of the bottom plate, one end of the transmission shaft is fixedly connected with the output end of the motor through the universal joint, the other end of the transmission shaft is fixedly connected with the bevel gear, the transmission shaft is rotatably fixed on the lower side of the bottom plate through the supporting seat, the grinding tank seats, the grinding tanks and the planetary transmission mechanisms are arranged on the upper side of the bottom plate, the grinding tank seats are a plurality of, the grinding tank seats are uniformly arranged in a rotating mode along the axial direction of the planetary transmission mechanisms, each grinding tank seat is provided with a grinding tank, the transmission main shaft rotatably penetrates through the bottom plate, the upper end of the transmission main shaft is fixedly connected with the planetary transmission mechanisms, and the lower end of the transmission main shaft is fixedly connected with the bevel gears.

Preferably, the bevel gear comprises a big bevel gear and a small bevel gear which are meshed with each other and vertically arranged, the transmission shaft transversely penetrates through the center of the small bevel gear, the transmission shaft is fixedly connected with the small bevel gear, the lower end of the transmission main shaft longitudinally penetrates through the center of the big bevel gear and is fixedly connected with the big bevel gear, and the big bevel gear is in transmission connection with the transmission shaft through the small bevel gear.

Preferably, the large bevel gear and the small bevel gear are straight gears, curved gears, helical gears or helical gears.

Preferably, the single step transmission ratio between the large bevel gear and the small bevel gear is not more than 8, and the number of modules of the large bevel gear and the small bevel gear is more than 1 and less than 45.

Preferably, the grinding tank seat is fixedly arranged on the planetary transmission mechanism through a taper shaft or a flange.

Preferably, the grinding tank is fixedly arranged on the grinding tank seat through a nailing device.

Preferably, the number of the grinding tank seats on the planetary transmission mechanism is even.

Preferably, the bottom plate is provided with an oil box, and the oil box is axially distributed along the outer side of the planetary transmission mechanism.

Preferably, the joint is one of a constant velocity joint and a variable velocity joint.

Compared with the prior art, the utility model adopts the bevel gear to carry out transmission, effectively solves the problems of easy oil leakage and large noise of the speed reducer in the traditional ball mill, and simultaneously avoids the mutual transmission of the heating in the ball mill tank and the heating of the speed reducer and the motor on the planetary transmission structure, thereby prolonging the service life of the motor, ensuring the characteristics of materials in the mill tank, and reducing the maintenance difficulty and the maintenance cost of the equipment; compared with the traditional ball mill, the utility model provides an equipment focus descends to some extent, is favorable to user's operation on the one hand, and on the other hand also is favorable to equipment stability in use, has easy to maintain, stable performance and the good characteristics of grinding effect.

Drawings

Fig. 1 is a sectional view of a planetary ball mill driven by bevel gears according to the present invention.

In the figure: 1. the automatic screw driver comprises a machine frame, 2. a transmission main shaft, 3. a bevel gear, 31. a big bevel gear, 32. a small bevel gear, 4. a support seat, 5. a universal joint, 6. a motor, 7. a transmission shaft, 8. a grinding tank seat, 9. a grinding tank, 10. a planetary transmission mechanism, 11. a bottom plate, 12. an oil box and 13. a screw tightening device.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

It should be noted that, in the present invention, taking fig. 1 as an example, the vertical paper surface is upward, the vertical paper surface is downward, the vertical paper surface is rightward, and the vertical paper surface is leftward.

As shown in figure 1, a planetary ball mill driven by bevel gears comprises a frame 1 and a transmission main shaft 2, wherein a bottom plate 11 is arranged on the frame 1, bevel gears 3, a supporting seat 4, a universal joint 5, a motor 6 and a transmission shaft 7 are arranged on the lower side of the bottom plate 11, the motor 6 and the supporting seat 4 are fixed on the frame 1 on the lower side of the bottom plate 11, one end of the transmission shaft 7 is fixedly connected with the output end of the motor 6 through the universal joint 5, the other end of the transmission shaft 7 is fixedly connected with the bevel gears 3, the transmission shaft 7 is rotatably fixed on the lower side of the bottom plate 11 through the supporting seat 4, a grinding tank seat 8, a grinding tank 9 and a planetary transmission mechanism 10 are arranged on the upper side of the bottom plate 11, the number of the grinding tank seats 8 is several, the plurality of grinding tank seats 8 are rotatably and uniformly arranged along the axial direction of the, the upper end of the bevel gear 3 is fixedly connected with the planetary transmission mechanism 10, and the lower end of the bevel gear is fixedly connected with the bevel gear.

In this embodiment, motor 6 is located bottom plate 11 downside and fixed mounting in the medial surface of frame 1, transmission shaft 7 is transversely rotatable through the supporting seat 4 of arranging bottom plate 11 downside in and is fixed in bottom plate 11 downside, transmission main shaft 2 passes through bevel gear 3 and is connected with transmission shaft 7 transmission, when motor 6 drive transmission shaft 7 rotated, and then through bevel gear 3 drive transmission shaft 2 and drive planetary transmission mechanism 10 and rotate, at this moment, grind jar 9 both can be along with grind jar seat 8 rotation on planetary transmission mechanism 10, also can revolve round planetary transmission mechanism 10 with grind jar seat 8 simultaneously, thereby make the uniformity of the interior ground material of grind jar 9 good, good reproducibility and homogeneity, and the granularity is thinner, efficiency is higher. Meanwhile, the bevel gear 3 is adopted for transmission, so that the problems of easy oil leakage and high noise of a speed reducer in the traditional ball mill are effectively solved, the mutual transmission of heat in the grinding tank 9 on the planetary transmission structure 10 and the heating heat of the motor 6 is also avoided, the service life of the motor 6 is prolonged, the characteristics of materials in the grinding tank 9 are also ensured, and the maintenance difficulty and the maintenance cost of equipment are also reduced; compared with the traditional ball mill, the equipment in the planetary ball mill has lower gravity center, which is beneficial to the operation of a user and the stability of the equipment; and utilize universal joint 5 also can solve in the traditional ball mill because of connecting axle decentraction and assembly error lead to the problem of transmission shaft, drive motor and bearing spare damage, have easy to maintain, stable performance and the good characteristics of grinding effect.

As shown in fig. 1, the bevel gear 3 includes a large bevel gear 31 and a small bevel gear 32 which are engaged with each other and vertically disposed, a transmission shaft 7 transversely penetrates through the center of the small bevel gear 32, the transmission shaft 7 is fixedly connected with the small bevel gear 32, the lower end of a transmission main shaft 2 longitudinally penetrates through the center of the large bevel gear 31 and is fixedly connected with the large bevel gear 31, the transmission shaft 7 transversely penetrates through the center of the small bevel gear 32, the transmission shaft 7 is fixedly connected with the small bevel gear 32, the lower end of the transmission main shaft 2 longitudinally penetrates through the center of the large bevel gear 31 and is fixedly connected with the large bevel gear 31, the large bevel gear 31 is in transmission connection with the transmission shaft 7 through the small bevel gear 32, the large bevel gear 31 and the small bevel gear 32 are spur gears, curve gears, spiral gears or helical gears, it should be noted that the large bevel gear 31 and the small bevel gear 32 can also be other bevel gears, which is not listed here, a single-stage transmission ratio between, the number of modules of the large bevel gear 31 and the small bevel gear 32 is more than 1 and less than 45.

In this embodiment, the bevel gear 3 includes a large bevel gear 31 and a small bevel gear 32 which are engaged with each other and vertically disposed, a single-stage transmission ratio between the large bevel gear 31 and the small bevel gear 32 is not more than eight, a modulus number selection range is between 1 and 45, an output end of the transmission shaft 7 is in transmission connection with the small bevel gear 32, a lower end of the transmission main shaft 2 is in transmission connection with the large bevel gear 31, the small bevel gear 32 is in engagement transmission with the large bevel gear 31, so that the motor 6 can drive the transmission shaft 6 to drive the transmission main shaft 2, and speed reduction can be realized through the ratio of the large bevel gear and the small bevel gear, thereby achieving a rotation.

Further, the grinding tank seat 8 is fixedly arranged on the planetary transmission mechanism 10 through a taper shaft or a flange. In this embodiment, the milling pot base 8 is fixedly mounted on the planetary transmission mechanism 10 through a taper shaft, and in other embodiments, the milling pot base 8 may also be fixedly mounted on the planetary transmission mechanism 10 through a flange.

As shown in figure 1, the grinding tank 9 is fixedly arranged on the grinding tank seat 8 through a nailing device 13, and the number of the grinding tank seats 8 on the planetary transmission mechanism 10 is even. In this embodiment, mill jar seat 8 quantity is 4 and evenly distributed in planetary drive mechanism 10's axial, mill jar 9 is fixed through nailing device 13 and is arranged in mill jar seat 8 in, make mill jar 9 and mill jar seat 8 form wholly and do not produce relative motion, because the rotatable setting of mill jar seat 8 is in planetary drive mechanism 10's axial, and then mill jar 9 and mill jar seat 8 can be on planetary drive mechanism 10 rotation motion, mill jar 9 and mill jar seat 8 form wholly to be revolution motion around planetary drive mechanism 10 simultaneously, effectively guaranteed mill jar 9 interior material mixing homogeneity and material ball-milling to nanometer granularity, thereby improved material ball-milling efficiency. In other embodiments, the number of the grinding tank seats 8 can be set according to actual conditions, and can be 2, 6 or other numbers.

As shown in fig. 1, an oil box 12 is disposed on the upper side of the bottom plate 11, and the oil box 12 is axially disposed along the outer side of the planetary transmission mechanism 10. In this embodiment, lubricating oil is received through the oil box 12 that sets up in bottom plate 11 upside, and then oil box 12 forms the gear box with planetary transmission mechanism 10, has effectively guaranteed planetary transmission mechanism 10's continuous operation and life.

As shown in fig. 1, the joint 5 is one of a constant velocity joint and a variable velocity joint. In this embodiment, the constant velocity universal joint includes the ball fork formula universal joint, rzeppa universal joint and ball pin formula universal joint, the ball fork formula constant velocity universal joint is selected to universal joint 5, in other embodiments, also can select other types of universal joint, as long as can solve in traditional ball mill because of connecting axle decentraction and assembly error lead to transmission shaft, drive motor and the problem of bearing part damage can.

It is right above that the utility model provides a planetary ball mill of bevel gear transmission has introduced in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the core concepts of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. A planetary ball mill driven by bevel gears is characterized by comprising a rack (1) and a transmission main shaft (2), wherein a bottom plate (11) is arranged on the rack (1), bevel gears (3), a supporting seat (4), a universal joint (5), a motor (6) and a transmission shaft (7) are arranged on the lower side of the bottom plate (11), the motor (6) and the supporting seat (4) are fixed on the rack (1) on the lower side of the bottom plate (11), one end of the transmission shaft (7) is fixedly connected with the output end of the motor (6) through the universal joint (5), the other end of the transmission shaft (7) is fixedly connected with the bevel gears (3), the transmission shaft (7) is rotatably fixed on the lower side of the bottom plate (11) through the supporting seat (4), a grinding tank seat (8), a grinding tank (9) and a planetary transmission mechanism (10) are arranged on the upper side of the bottom plate (11), the grinding tank seats (8) are uniformly and rotatably arranged along the axial direction of the planetary transmission mechanism (10), a grinding tank (9) is arranged on each grinding tank seat (8), the transmission main shaft (2) rotatably penetrates through the bottom plate (11), the upper end of the transmission main shaft is fixedly connected with the planetary transmission mechanism (10), and the lower end of the transmission main shaft is fixedly connected with the bevel gear (3).

2. A planetary ball mill driven by bevel gears according to claim 1, characterized in that the bevel gears (3) comprise a large bevel gear (31) and a small bevel gear (32) which are engaged with each other and arranged vertically, the transmission shaft (7) transversely penetrates the center of the small bevel gear (32), the transmission shaft (7) is fixedly connected with the small bevel gear (32), the lower end of the transmission main shaft (2) longitudinally penetrates the center of the large bevel gear (31) and is fixedly connected with the large bevel gear (31), and the large bevel gear (31) is in transmission connection with the transmission shaft (7) through the small bevel gear (32).

3. A bevel gear driven planetary ball mill according to claim 2, characterized in that the big bevel gear (31) and the small bevel gear (32) are straight gears, curved gears, helical gears or helical gears.

4. A bevel gear driven planetary ball mill according to claim 3, characterized in that the single stage transmission ratio between the big bevel gear (31) and the small bevel gear (32) is not more than 8, and the number of modules of the big bevel gear (31) and the small bevel gear (32) is more than 1 and less than 45.

5. A bevel gear driven planetary ball mill according to claim 4, characterized in that the mill pot seat (8) is fixedly mounted on the planetary transmission mechanism (10) by means of a conical shaft or flange.

6. A bevel gear driven planetary ball mill according to claim 5, characterized in that the milling bowl (9) is fixedly mounted on the milling bowl seat (8) by means of a nailing device (13).

7. A planetary ball mill according to claim 6, characterised in that the number of milling pot seats (8) on the planetary gear mechanism (10) is even.

8. A bevel gear driven planetary ball mill according to claim 7, characterized in that the bottom plate (11) is provided with oil boxes (12), the oil boxes (12) being arranged axially along the outside of the planetary gear (10).

9. A bevel gear driven planetary ball mill according to claim 8, characterized in that said universal joint (5) is one of a constant velocity universal joint and a variable velocity universal joint.