CN219816471U

CN219816471U - Low-noise ball mill for experiments

Info

Publication number: CN219816471U
Application number: CN202320194387.3U
Authority: CN
Inventors: 胡宗辉; 张德长; 郭汉彬; 叶辉; 罗永斌; 林文秋
Original assignee: Fujian Yuanxin Building Materials Co ltd
Current assignee: Fujian Yuanxin Building Materials Co ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-10-13
Anticipated expiration: 2033-02-13

Abstract

The utility model discloses a low-noise experimental ball mill, which belongs to the technical field of ball mills and comprises a bracket, wherein an installation shell is arranged at the inner top of the bracket, a welding shaft is welded at the center of the front side and the rear side of the installation shell, the welding shaft is rotationally connected with the front side and the rear side of the bracket through a bearing, a gear motor is fixedly arranged at the position of the front top of the bracket corresponding to the welding shaft, and a rotating shaft at the output end of the gear motor is fixedly connected with one end of the corresponding welding shaft; according to the technical scheme, through the installation shell, the welding shaft and the gear motor, during normal operation, the gear motor locks the welding shaft automatically, after the operation is finished, personnel can control the gear motor to drive the welding shaft to rotate, the welding shaft drives the installation shell to rotate, the installation shell drives the roller to rotate, the roller is in an inclined state, and the direction of a discharge hole is ensured, so that the cover plate is opened, materials in the roller can be rapidly discharged from the roller, and the convenience of using the device is improved.

Description

Low-noise ball mill for experiments

Technical Field

The utility model relates to the technical field of ball mills, in particular to a low-noise experimental ball mill.

Background

The ball mill is a key device for crushing materials after the materials are crushed, a certain number of steel balls are filled in a barrel of the type of ore mill as grinding media, wherein the laboratory ball mill disclosed by application number 201520421205.7 is relatively complex in structure, a large number of transmission parts (transmission is carried out through two conveyor belts), the size is large, the equipment is easy to go out, the operation reliability is relatively low, as part of enterprises are not frequently used in detecting and inspecting the materials, the equipment is left unused for a long time to cause a plurality of defects of high maintenance cost, and the type of ore mill is further searched, and found out by the specific technical structure, the laboratory ball mill disclosed by application number 201521085112.8 is really opened only in the material throwing and product discharging process, so that the internal operation state of the ball mill cannot be observed in real time, the technical defects such as difficulty are increased for parameter research, but the experimental ball mill with similar structure still has defects in actual use, such as: the ball mill for experiments is carrying out the noise that the grinding stone produced to the material and is increaseing, can cause noise pollution, and simultaneously, the row material of ball mill for experiments is slower, needs personnel to get the material manually moreover, or arranges the material with the equipment slope, and is more troublesome to the performance of reduction device. In view of this, we propose a low noise experimental ball mill.

Disclosure of Invention

1. Technical problem to be solved

The utility model aims to provide a low-noise experimental ball mill, which aims to solve the problems in the background technology.

2. Technical proposal

The utility model provides a ball mill for experiments of low noise, includes the support, the interior top department of support installs the installation shell, and the central point of installation shell front and back side has welded the welding axle, and the welding axle passes through the bearing and rotates with the front and back side of support and be connected, the fixed mounting of position department that support front side top corresponds with the welding axle has gear motor, and the axis of rotation of gear motor output and the one end fixed connection of corresponding welding axle, the inside of installation shell is installed the cylinder through mounting structure rotation, at least two sets of iron balls have been placed to the inside of cylinder, the central point of installation shell one side is fixed mounting has servo motor, and the axis of rotation of servo motor output and the central point of cylinder one side are fixed connection, the bin outlet department that the cylinder was located servo motor one side dorsad installs the apron through the hinge;

the inner wall of cylinder is equipped with the intermediate layer, and the inside of intermediate layer is filled with and inhales the sound cotton.

As an alternative scheme of the technical scheme of the utility model, universal wheels are welded at four corners of the bottom of the bracket, and a brake rod is arranged at the rear side of the universal wheels.

As an alternative scheme of the technical scheme of the utility model, the mounting structure comprises a welding ring and a mounting bearing, wherein the welding ring is welded on the inner wall of the mounting shell, the mounting bearing is arranged in the welding ring, the outer ring of the mounting bearing is welded and fixed with the inner wall of the welding ring, and the inner ring of the mounting bearing is welded and fixed with the outer wall of the roller.

As an alternative scheme of the technical scheme of the utility model, the inner wall of the interlayer is welded with the supporting blocks which are distributed equidistantly.

As an alternative scheme of the technical scheme of the utility model, the bottom of the roller discharge opening is welded with a first fixed block, the bottom of the cover plate is welded with a second fixed block, and one side of the second fixed block is screwed with a fixed screw.

As an alternative scheme of the technical scheme of the utility model, one end of the fixed screw is provided with a screwing block, and the surface of the screwing block is provided with anti-skid patterns.

As an alternative scheme of the technical scheme of the utility model, a controller is fixedly arranged at the position, below the speed reduction motor, of the front side of the bracket, and the bottom of the controller is connected with a plug through a wire.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

1. according to the technical scheme, the interlayer is arranged on the inner wall of the roller, and then the sound-absorbing cotton is filled in the interlayer, so that when the device works, noise generated by impact of iron balls in the roller can be absorbed by the sound-absorbing cotton, noise generated in the using process of the device is greatly reduced, and noise pollution is avoided.

2. According to the technical scheme, through the installation shell, the welding shaft and the gear motor, during normal operation, the gear motor locks the welding shaft automatically, after the operation is finished, personnel can control the gear motor to drive the welding shaft to rotate, the welding shaft drives the installation shell to rotate, the installation shell drives the roller to rotate, the roller is in an inclined state, and the direction of a discharge hole is ensured, so that the cover plate is opened, materials in the roller can be rapidly discharged from the roller, and the convenience of using the device is improved.

Drawings

FIG. 1 is a front view of a low noise experimental ball mill disclosed in an embodiment of the present utility model;

FIG. 2 is a top view in cross section of a low noise experimental ball mill disclosed in an embodiment of the utility model;

FIG. 3 is a block diagram showing a mounting structure of a low-noise experimental ball mill according to an embodiment of the present utility model;

fig. 4 is an enlarged schematic view of a portion a of a low-noise experimental ball mill according to an embodiment of the present utility model.

The reference numerals in the figures illustrate: 1. a bracket; 101. a speed reducing motor; 102. a universal wheel; 103. a brake lever; 2. a mounting shell; 201. welding a shaft; 3. a mounting structure; 301. welding rings; 302. mounting a bearing; 4. a roller; 401. an interlayer; 402. sound absorbing cotton; 403. a support block; 404. a first fixed block; 5. iron balls; 6. a cover plate; 601. a second fixed block; 602. a fixed screw; 7. a servo motor.

Detailed Description

The utility model provides a technical scheme that:

as shown in fig. 1, fig. 2, fig. 3 and fig. 4, a low-noise experimental ball mill comprises a bracket 1, wherein four corners at the bottom of the bracket 1 are welded with universal wheels 102, the universal wheels 102 facilitate the movement of the device, the rear side of the universal wheels 102 is provided with a brake rod 103, the brake rod 103 is used for braking the universal wheels 102, the universal wheels 102 with the brake rod 103 are of the existing structure, a controller is fixedly arranged at the position, below a speed reducing motor 101, of the front side of the bracket 1, the controller is electrically connected with an electrical component in the device through a wire, the controller is used for controlling the electrical component in the device, the prior art is omitted from repeated description, the bottom of the controller is connected with a plug through the wire, the controller is connected with an external power supply through the plug, the inner top of the bracket 1 is provided with a mounting shell 2, one side of the mounting shell 2 is opened and is cylindrical, the welding shaft 201 is welded at the center of the front and rear sides of the installation shell 2, the welding shaft 201 is rotationally connected with the front and rear sides of the support 1 through a bearing, a gear motor 101 is fixedly installed at the position, corresponding to the welding shaft 201, of the top of the front side of the support 1, the type of the gear motor 101 is CH28, the gear motor is replaced according to the requirement, a rotating shaft at the output end of the gear motor 101 is fixedly connected with one end of the corresponding welding shaft 201, the gear motor 101 can brake the welding shaft 201 in a normal state, so that the installation shell 2 and the roller 4 are braked, after the experiment is finished, the gear motor 101 can be controlled to drive the welding shaft 201 to rotate, the welding shaft 201 drives the installation shell 2 to rotate, the installation shell 2 drives the roller 4 to rotate, so that the roller 4 is in an inclined state, a discharge hole of the roller 4 faces downwards, then the cover plate 6 is opened, and materials in the roller 4 can be automatically discharged from the discharge hole, the inside of the installation shell 2 is rotatably provided with the roller 4 through the installation structure 3, the installation structure 3 comprises a welding ring 301 and an installation bearing 302, the welding ring 301 is arranged in three groups at equal intervals, the welding ring 301 is welded on the inner wall of the installation shell 2, the installation bearing 302 is arranged in the welding ring 301, the outer ring of the installation bearing 302 is fixedly welded with the inner wall of the welding ring 301, the inner ring of the installation bearing 302 is fixedly welded with the outer wall of the roller 4, the roller 4 can freely rotate in the installation shell 2 under the cooperation of the welding ring 301 and the installation bearing 302, at least two groups of iron balls 5 are placed in the roller 4, a servo motor 7 is fixedly arranged at the center of one side of the installation shell 2, the model number of the servo motor 7 is 1FK7 series, the servo motor 7 can be replaced according to the requirement, the rotation shaft of the output end of the servo motor 7 is fixedly connected with the center of one side of the roller 4, the servo motor 7 works to drive the roller 4 to rotate, then the iron ball 5 in the roller 4 grinds materials in the roller 4, the cover plate 6 is arranged at a discharge hole on one side of the roller 4 back to the servo motor 7 through a hinge, a first fixing block 404 is welded at the bottom of the discharge hole of the roller 4, a second fixing block 601 is welded at the bottom of the cover plate 6, a fixing screw 602 is screwed on one side of the second fixing block 601, after the materials are added into the roller 4, the cover plate 6 is closed, then the fixing screw 602 on the second fixing block 601 is screwed into the first fixing block 404, so that the cover plate 6 is fixed, then the cover plate 6 seals a discharge hole of the roller 4, the fixing screw 602 is screwed again to be separated from the first fixing block 404, then the cover plate 6 can be opened, the materials can be discharged from the discharge hole of the roller 4, one end of the fixing screw 602 is provided with a screwing block, the screwing block is convenient for a person to hold and screw the fixed screw 602, the surface of the screwing block is provided with anti-skid grains, the friction force of the surface of the screwing block is increased by the anti-skid grains, and the stability of the person holding the screwing block and screwing the fixed screw 602 is ensured;

in this embodiment, when the ball mill is used in the laboratory to perform experiments, the materials can be added into the drum 4 from the discharge hole of the drum 4, then the cover plate 6 is closed, then the fixing screw 602 on the second fixing block 601 is screwed into the first fixing block 404, thereby fixing the cover plate 6, then the cover plate 6 seals the discharge hole of the drum 4, then the servo motor 7 is controlled to work to drive the drum 4 to rotate, then the iron ball 5 in the drum 4 grinds the materials in the drum 4, after the materials are ground, the fixing screw 602 can be screwed again to separate from the first fixing block 404, then the cover plate 6 can be opened, the speed reducing motor 101 is controlled to drive the welding shaft 201 to rotate, the welding shaft 201 drives the installation shell 2 to rotate, the drum 4 is driven to rotate, thereby the drum 4 is in an inclined state, the discharge hole of the drum 4 is ensured to face downwards, then the cover plate 6 is opened, and the materials in the drum 4 can be automatically discharged from the discharge hole, thereby the convenience of the device is discharged.

As shown in fig. 2, an interlayer 401 is arranged on the inner wall of the roller 4, sound absorbing cotton 402 is filled in the interlayer 401, the sound absorbing cotton 402 has a good sound absorbing effect, supporting blocks 403 are welded on the inner wall of the interlayer 401, the supporting blocks 403 are distributed at equal intervals, and the supporting blocks 403 are used for supporting and reinforcing the interlayer 401;

in this embodiment, when the device grinds the material, the noise that iron ball 5 striking cylinder 4 produced can be absorbed by inhaling the sound cotton 402 to reduce the noise, avoid appearing noise pollution, improve the performance of device.

Claims

1. The utility model provides a ball mill for experiments of low noise, includes support (1), its characterized in that: the device comprises a bracket (1), wherein an installation shell (2) is installed at the inner top of the bracket (1), a welding shaft (201) is welded at the center of the front side and the rear side of the installation shell (2), the welding shaft (201) is rotationally connected with the front side and the rear side of the bracket (1) through a bearing, a gear motor (101) is fixedly installed at the position of the front top of the bracket (1) corresponding to the welding shaft (201), a rotating shaft at the output end of the gear motor (101) is fixedly connected with one end of the corresponding welding shaft (201), a roller (4) is rotationally installed inside the installation shell (2) through an installation structure (3), at least two groups of iron balls (5) are placed inside the roller (4), a servo motor (7) is fixedly installed at the center of one side of the installation shell (2), the rotating shaft at the output end of the servo motor (7) is fixedly connected with the center of one side of the roller (4), and a cover plate (6) is installed at a discharge port of the side, which is opposite to the servo motor (7), through a hinge;

an interlayer (401) is arranged on the inner wall of the roller (4), and sound absorbing cotton (402) is filled in the interlayer (401).

2. A low noise experimental ball mill according to claim 1, wherein: the four corners of the bottom of the bracket (1) are welded with universal wheels (102), and the rear side of the universal wheels (102) is provided with a brake rod (103).

3. A low noise experimental ball mill according to claim 1, wherein: the mounting structure (3) comprises a welding ring (301) and a mounting bearing (302), the welding ring (301) is welded on the inner wall of the mounting shell (2), the mounting bearing (302) is arranged in the welding ring (301), the outer ring of the mounting bearing (302) is welded and fixed with the inner wall of the welding ring (301), and the inner ring of the mounting bearing (302) is welded and fixed with the outer wall of the roller (4).

4. A low noise experimental ball mill according to claim 1, wherein: the inner wall of the interlayer (401) is welded with supporting blocks (403), and the supporting blocks (403) are distributed at equal intervals.

5. A low noise experimental ball mill according to claim 1, wherein: the bottom of bin outlet of cylinder (4) is welded and is had first fixed block (404), and the bottom welding of apron (6) has second fixed block (601), and second fixed block (601) one side is twisted and is had fixing screw (602).

6. The low-noise experimental ball mill according to claim 5, wherein: one end of the fixed screw (602) is provided with a screwing block, and the surface of the screwing block is provided with anti-skid patterns.

7. A low noise experimental ball mill according to claim 1, wherein: the front side of the bracket (1) is fixedly provided with a controller at the lower part of the gear motor (101), and the bottom of the controller is connected with a plug through a wire.