CN213161118U

CN213161118U - Experimental ball mill for preparing metal powder

Info

Publication number: CN213161118U
Application number: CN202021649363.5U
Authority: CN
Inventors: 康敏; 朱维金; 朱继平; 刘正刚
Original assignee: Nanjing Agricultural University
Current assignee: Nanjing Agricultural University
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-05-11
Anticipated expiration: 2030-08-10

Abstract

The utility model provides a ball mill for experiment of preparation metal powder, the on-line screen storage device comprises a base, the supporting rack, the ball mill barrel, including a motor, an end cap, a controller, and a cover plate, transmission device and stop device, transmission device includes little band pulley one, belt one, big band pulley one, the transmission shaft, little band pulley two, belt two, big band pulley two, stop device includes the handle, the pipe, the connecting plate, the stopper, the pull rod, a spring, characterized by supporting rack is through controlling two bearing frames, two pivots are installed on the base, the ball mill barrel, stop device, motor and transmission install on the supporting rack, can adjust the gradient of ball mill barrel through stop device, carry out the blowing, the operation of unloading, transmission passes through the step shaft and links to each other with the ball mill barrel, can transmit the horizontal rotation of motor for the ball mill barrel through transmission, carry out the. The utility model discloses simple structure, it is with low costs, area is little, blowing, the convenient operation of unloading.

Description

Experimental ball mill for preparing metal powder

Technical Field

The utility model relates to a ball mill technical field, concretely relates to prepare ball mill for experiment of metal powder.

Background

When the novel powder core wire material for electric arc spraying is developed in a laboratory, metal powder with different element ratios needs to be filled. The rolling ball mill crushes materials by utilizing impact force between steel balls and between the steel balls and a ball mill cylinder when the steel balls are thrown down, and can be used for crushing metal materials, refining particles and mixing metal powder. However, the existing ball mill has a complex structure and is inconvenient to assemble, disassemble and maintain, so that the ball milling efficiency is low, and the use requirements of convenience and high efficiency in a laboratory at present cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a problem that exists in the above-mentioned background art is solved in the purpose, designs a preparation metal powder's ball mill for experiments, is applicable to and carries out efficient ball-milling crushing operation to metal material.

The technical scheme of the utility model is that:

a ball mill for experiments for preparing metal powder comprises a base 1, a cylinder cover 2, a first bearing seat 3, a ball mill cylinder 4, a support frame 5, a first small belt wheel 6, a motor 7, a first belt 8, a transmission shaft 9, a first large belt wheel 10, a handle 11, a guide pipe 12, a connecting plate 13, a limiter 14, a pull rod 15, a spring 16, a second small belt wheel 17, a second large belt wheel 18, a stepped shaft 19, a first roller bearing 20, a rotating shaft 21, a second bearing seat 22, a third bearing seat 23, a second roller bearing 24, a third roller bearing 25 and a second belt 26, and is characterized in that the two first bearing seats 3 are respectively installed at the tops of the left side and the right side of the base 1, the first roller bearings 20 are installed in the inner cavity of each first bearing seat 3, and the rotating shaft 21 is installed in the; the supporting frame 5 is arranged on the rotating shafts 21 at the left end and the right end through sleeves at the left end and the right end, and the position of the supporting frame is fixed by pins at the two ends; the connecting plate 13 is arranged on the supporting frame 5 through bolts, and the guide pipe 12 is welded on the connecting plate 13; the pull rod 15 is arranged in the guide pipe 12, and the handle 11 is arranged at the top of the pull rod 15 through bolts; the spring 16 is sleeved on the thin end shaft of the pull rod 15, and the upper end of the spring props against the lower end surface of the guide pipe 12; the limiter 14 is installed on the base 1 through a screw, and a U-shaped head at the lower end of the pull rod 15 is clamped in a U-shaped groove at the upper end of the limiter 14; the left side of the top surface of the supporting frame 5 is provided with a motor 7, the right side is provided with a second bearing seat 22 in front-back symmetry, and a second roller bearing 24 is arranged in each second bearing seat 22; the transmission shaft 9 is arranged in inner holes of the front roller bearing II 24 and the rear roller bearing II 24; the small belt wheel I6 is arranged on an output shaft of the motor 7 and is connected with a large belt wheel I10 arranged at the front end of a transmission shaft 9 through a belt I8; a bearing seat III 23 is arranged below the rear end of the support frame 5, two roller bearings III 25 are arranged in the bearing seat III, and the stepped shaft 19 is arranged in inner holes of the two roller bearings III 25; the second small belt wheel 17 arranged at the rear end of the transmission shaft 9 is connected with the second large belt wheel 18 arranged on the stepped shaft 19 through a second belt 26, the second large belt wheel 18 is connected with the ball grinding cylinder 4 through the stepped shaft 19, and the cylinder cover 2 is connected with the ball grinding cylinder 4 through a screw.

The utility model has the advantages that:

(1) the ball mill has the advantages of simple structure, low cost and small occupied area.

(2) The operation of discharging is convenient, and the practicability is strong.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the transmission device of the present invention;

fig. 3 is a schematic structural view of the limiting device of the present invention;

fig. 4 is an exploded view of the structure of the present invention at a.

1. The novel grinding machine comprises a base, 2 parts of a cylinder cover, 3 parts of a first bearing seat, 4 parts of a ball grinding cylinder body, 5 parts of a supporting frame, 6 parts of a first small belt wheel, 7 parts of a motor, 8 parts of a first belt, 9 parts of a transmission shaft, 10 parts of a first large belt wheel, 11 parts of a handle, 12 parts of a guide pipe, 13 parts of a connecting plate, 14 parts of a limiter, 15 parts of a pull rod, 16 parts of a spring, 17 parts of a second small belt wheel, 18 parts of a second large belt wheel, 19 parts of a stepped shaft, 20 parts of a first roller bearing, 21 parts of a rotating shaft, 22 parts of a second bearing seat, 23 parts of a third bearing seat, 24 parts of a second roller bearing.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1-4:

The working process is as follows:

before a ball milling experiment, the handle 11 is pulled upwards, the pull rod 15 is lifted upwards, so that a U-shaped head at the lower end of the pull rod 15 is separated from the stopper 14, and the support frame 5 is driven to rotate by rotating the guide pipe 12; a stepped shaft 19 arranged in a bearing seat III 23 fixed on the supporting frame 5 is connected with the ball grinding cylinder body 4, and the ball grinding cylinder body 4 rotates along with the supporting frame 5; when the ball mill cylinder 4 is inclined upwards to a proper angle, the handle 11 is loosened, the spring 16 in a compressed state is reset, the U-shaped head at the lower end of the pull rod 15 is clamped in the U-shaped groove at the upper end of the limiter 14 again, and the cylinder cover 2 is installed after the metal block and the steel ball are placed in the ball mill cylinder 4;

at the moment, the motor 7 is started to drive the first small belt wheel 6 to rotate; the small belt wheel I6 is connected with a large belt wheel I10 arranged at the front end of the transmission shaft 9 through a belt I8, so that the transmission shaft 9 is driven to rotate; a second small belt wheel 17 at the rear end of the transmission shaft 9 is connected with a second large belt wheel 18 arranged on the stepped shaft 19 through a second belt 26 so as to drive the stepped shaft 19 to rotate; the ball milling cylinder 4 is connected with the stepped shaft 19, so that the ball milling cylinder rotates to start a ball milling experiment;

after the ball milling is finished, pulling the handle 11 upwards and rotating the guide pipe 12 to enable the ball milling cylinder body 4 to be declined, and then loosening the handle 11; and (4) removing the cylinder cover 2, and taking out the metal powder and the steel ball to finish the ball milling operation.

Claims

1. An experimental ball mill for preparing metal powder comprises a base (1), a cylinder cover (2), bearing seats I (3), a ball mill cylinder body (4), a supporting frame (5), a small belt wheel I (6), a motor (7), a belt I (8), a transmission shaft (9), a large belt wheel I (10), a handle (11), a guide pipe (12), a connecting plate (13), a limiter (14), a pull rod (15), a spring (16), a small belt wheel II (17), a large belt wheel II (18), a stepped shaft (19), a roller bearing I (20), a rotating shaft (21), a bearing seat II (22), a bearing seat III (23), a roller bearing II (24), a roller bearing III (25) and a belt II (26), and is characterized in that the two bearing seats I (3) are respectively arranged at the tops of the left side and the right side of the base (1), and the two roller bearings I (20) are arranged in an inner cavity of each bearing seat, the rotating shaft (21) is arranged in inner holes of the two roller bearings I (20); the supporting frame (5) is arranged on the rotating shafts (21) at the left end and the right end through sleeves at the left end and the right end, and the position of the supporting frame is fixed by pins at the two ends; the connecting plate (13) is arranged on the supporting frame (5) through bolts, and the guide pipe (12) is welded on the connecting plate (13); the pull rod (15) is arranged in the guide pipe (12), and the handle (11) is arranged at the top of the pull rod (15) through a bolt; the spring (16) is sleeved on the thin end shaft of the pull rod (15), and the upper end of the spring props against the lower end surface of the guide pipe (12); the limiter (14) is installed on the base (1) through a screw, and a U-shaped head at the lower end of the pull rod (15) is clamped in a U-shaped groove at the upper end of the limiter (14); a motor (7) is installed on the left side of the top surface of the supporting frame (5), second bearing blocks (22) are symmetrically installed on the right side in the front-back direction, and a second roller bearing (24) is arranged in each second bearing block (22); the transmission shaft (9) is arranged in inner holes of the front roller bearing II and the rear roller bearing II (24); the small belt wheel I (6) is arranged on an output shaft of the motor (7) and is connected with a large belt wheel I (10) arranged at the front end of the transmission shaft (9) through a belt I (8); a bearing seat III (23) is arranged below the rear end of the supporting frame (5), two roller bearings III (25) are arranged in the bearing seat III, and the stepped shaft (19) is arranged in inner holes of the two roller bearings III (25); a second small belt wheel (17) arranged at the rear end of the transmission shaft (9) is connected with a second large belt wheel (18) arranged on a stepped shaft (19) through a second belt (26), the second large belt wheel (18) is connected with the ball grinding cylinder body (4) through the stepped shaft (19), and the cylinder cover (2) is connected with the ball grinding cylinder body (4) through a screw.