Vertical stirring ball mill

Abstract

The utility model discloses a vertical stirring ball mill which comprises a grinding cylinder and a stirring device, a transmission chamber and a stirring chamber are arranged in the grinding cylinder, the stirring device comprises a stirring motor, a transmission shaft and a stirring shaft, the transmission shaft is arranged in the transmission chamber, and the stirring shaft is arranged in the stirring chamber. One end of the transmission shaft penetrates out of the end wall of the transmission cavity and is in transmission connection with the stirring motor, and the other end of the transmission shaft penetrates out of the end wall of the transmission cavity and is in transmission connection with the stirring shaft. The vertical stirring ball mill has the advantages of being simple in structure, convenient to disassemble and assemble and long in service life, and pollution to the field working environment can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to ball mill technical field, concretely relates to a vertical stirring ball mill. BACKGROUND

[0002] The vertical ball mill is suitable for grinding and dispersing the material with coarse and hard particles or false thick phenomenon, the material ground by the vertical ball mill is uniform in particle size and fine in particle, the vertical ball mill can also mix several materials together uniformly, and the working principle of the vertical ball mill is that: the grinding ball is driven to do forced mechanical shearing grinding action by the stirring shaft, the material is conveyed to the upper opening of the grinding cylinder by the material pump through the filter screen at the bottom of the grinding cylinder and the pipeline, the material and medium are fully contacted and ground, one cycle is completed, and the fineness requirement is reached.The existing vertical ball mill can only adopt a dynamic sealing mode to seal the place where the stirring shaft is connected with the motor, however, the dynamic sealing mode in the prior art is difficult to achieve good sealing effect, and is prone to cause dust in the stirring and grinding process to gather at the dynamic sealing ring and leak out from above the stirring shaft to pollute the working environment, and has certain limitation. SUMMARY

[0003] The utility model solves the technical problem that the prior art exists, provides a vertical stirring ball mill that simple structure, convenient to disassemble and assemble, long in service life can avoid polluting the working environment.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme:

[0005] A vertical stirring ball mill, including grinding cylinder and stirring device, the transmission chamber and stirring chamber are equipped in the grinding cylinder, the stirring device includes stirring motor, transmission shaft and stirring shaft, the transmission shaft is arranged in the transmission chamber, the stirring shaft is arranged in the stirring chamber, one end of the transmission shaft is out of the end wall of the transmission chamber and is connected with the stirring motor, the other end of the transmission shaft is out of the end wall of the transmission chamber and is connected with the stirring shaft.

[0006] As a further improvement of the above technical scheme:

[0007] The grinding cylinder is equipped with the feed inlet and discharge outlet that communicate with the stirring chamber.

[0008] The grinding cylinder top is fixedly provided with the rack for installing the stirring motor.

[0009] The stirring motor and the transmission shaft are connected by the first connecting shaft, and the transmission shaft and the stirring shaft are connected by the second connecting shaft.

[0010] The end wall on the side close to the stirring motor of the transmission chamber is provided with a first bearing, and the end wall on the side away from the stirring motor of the transmission chamber is provided with a second bearing, one end of the transmission shaft is arranged in the first bearing, and the other end of the transmission shaft is arranged in the second bearing.

[0011] The stirring shaft comprises a main shaft and a stirring structure arranged axially along the main shaft.

[0012] The stirring structure is a spiral blade or a stirring rod.

[0013] Compared with the prior art, the vertical stirring ball mill has the advantages that:

[0014] The vertical stirring ball mill has the advantages that: the transmission chamber and the stirring chamber are arranged in the grinding cylinder, the transmission shaft is arranged in the transmission chamber, the stirring shaft is arranged in the stirring chamber, the stirring motor and the stirring shaft are connected through the transmission shaft, the dust generated in the stirring and grinding process is accumulated in the transmission chamber and does not pollute the working environment, the transmission shaft arranged between the stirring motor and the stirring shaft can realize soft connection and smooth starting, reduces the impact on the transmission system, prolongs the service life, and has the advantages of simple structure, convenient disassembly and assembly, and good safety. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the vertical stirring ball mill embodiment one.

[0016] Figure 2 It is a structural schematic view of the vertical stirring ball mill embodiment two.

[0017] LEGEND:

[0018] 1, grinding cylinder; 101, transmission chamber; 102, stirring chamber; 103, feeding port; 104, discharging port; 2, stirring device; 201, stirring motor; 202, transmission shaft; 203, stirring shaft; 2031, main shaft; 2032, spiral blade; 2033, stirring rod; 3, rack; 4, first connecting shaft; 5, second connecting shaft; 6, first bearing; 7, second bearing. DETAILED DESCRIPTION

[0019] The utility model will be further explained in detail in combination with the drawings and specific embodiments.

[0020] Embodiment one

[0021] As Figure 1As shown, the vertical stirring ball mill of the embodiment comprises a grinding barrel 1 and a stirring device 2, the grinding barrel 1 is internally provided with a transmission chamber 101 and a stirring chamber 102, the stirring device 2 comprises a stirring motor 201, a transmission shaft 202 and a stirring shaft 203, the transmission shaft 202 is arranged in the transmission chamber 101, the stirring shaft 203 is arranged in the stirring chamber 102, one end of the transmission shaft 202 penetrates through the end wall of the transmission chamber 101 and is in transmission connection with the stirring motor 201, the other end of the transmission shaft 202 penetrates through the end wall of the transmission chamber 101 and is in transmission connection with the stirring shaft 203. The vertical stirring ball mill is provided with the transmission chamber 101 and the stirring chamber 102 in the grinding barrel 1, the transmission shaft 202 is arranged in the transmission chamber 101, the stirring shaft 203 is arranged in the stirring chamber 102, the transmission shaft 202 is arranged between the stirring motor 201 and the stirring shaft 203 to realize transmission connection, which replaces the direct driving connection between the stirring motor 201 and the stirring shaft 203 in the prior art. Even if the dust in the stirring and grinding process accumulates at the dynamic sealing ring and leaks out from above the stirring shaft 203, the dust will only accumulate in the transmission chamber 101 and will not pollute the working environment, and the transmission shaft 202 arranged between the stirring motor 201 and the stirring shaft 203 can realize soft connection and starting, smooth starting, reduce the impact on the transmission system, prolong the service life, has the advantages of simple structure, convenient disassembly and assembly and good safety.

[0022] Preferably, the grinding barrel 1 is provided with a feeding port 103 and a discharging port 104 in communication with the stirring chamber 102.

[0023] Preferably, the grinding barrel 1 is provided with a feeding port 103 and a discharging port 104 in communication with the stirring chamber 102.

[0024] Preferably, the stirring motor 201 and the transmission shaft 202 are in transmission connection through a first coupling 4, and the transmission shaft 202 and the stirring shaft 203 are in transmission connection through a second coupling 5. When the stirring motor 201 starts, the couplings can provide necessary preparation and protection, reduce the impact and load during starting, have the advantages of simple structure, convenient and fast installation and disassembly, and strong reliability.

[0025] Preferably, the first bearing 6 is arranged on the end wall of the transmission chamber 101 close to the stirring motor 201, the second bearing 7 is arranged on the end wall of the transmission chamber 101 away from the stirring motor 201, and the transmission shaft 202 is arranged through the first bearing 6 and the second bearing 7. In the embodiment, the first bearing 6 and the second bearing 7 are arranged on the end walls of the transmission chamber 101, respectively, and the transmission shaft 202 is arranged through the first bearing 6 and the second bearing 7, respectively. When the transmission shaft 202 rotates, the bearing can convert sliding friction into rolling friction, so that the rotation is more stable, the energy consumption is reduced, and the service life of the transmission shaft 202 is prolonged.

[0026] Preferably, the stirring shaft 203 comprises a main shaft 2031 and a stirring structure arranged axially along the main shaft 2031.

[0027] Preferably, the stirring structure is a spiral blade 2032, and the main shaft 2031 can drive the grinding balls and the material to a certain extent to lift the height through the spiral blade 2032 when the main shaft 2031 rotates, so that the grinding balls and the material roll along the surface of the spiral blade 2032, thereby improving the stirring efficiency.

[0028] Embodiment two

[0029] As shown in Figure 2 The vertical stirring ball mill provided by the embodiment is basically the same as that of the first embodiment, and the difference lies in that the stirring motor 201 is a vertical direct drive motor, the output shaft of the vertical direct drive motor is in transmission connection with the transmission shaft 202, the stirring structure is a stirring rod 2033, and the stirring rod 2033 is in a cylindrical shape as a whole, so that the grinding balls can be stirred when the main shaft 2031 rotates, and the material grinding and mixing are more uniform. In other embodiments, the stirring rod 2033 can also be arranged along a spiral line on the main shaft 2031.

[0030] The above only describes the preferred embodiments of the present application, and the protection scope of the present application is not limited to the above-mentioned embodiments. For those skilled in the art, the improvements and changes obtained without departing from the technical concept of the present application should also be regarded as the protection scope of the present application.

Claims

1. A vertical agitator ball mill comprising a grinding cylinder (1) and an agitating device (2), characterized in that, The grinding barrel (1) is internally provided with a transmission chamber (101) and a stirring chamber (102), the stirring device (2) comprises a stirring motor (201), a transmission shaft (202) and a stirring shaft (203), the transmission shaft (202) is arranged in the transmission chamber (101), the stirring shaft (203) is arranged in the stirring chamber (102), one end of the transmission shaft (202) penetrates through the end wall of the transmission chamber (101) and is in transmission connection with the stirring motor (201), the other end of the transmission shaft (202) penetrates through the end wall of the transmission chamber (101) and is in transmission connection with the stirring shaft (203).

2. A vertical stirred ball mill according to claim 1, characterized in that The grinding barrel (1) is provided with a feeding port (103) and a discharging port (104) which are in communication with the stirring chamber (102).

3. The vertical stirred ball mill according to claim 1, characterized in that A rack (3) for mounting the stirring motor (201) is fixedly arranged on the top of the grinding barrel (1).

4. The vertical stirred ball mill according to claim 1, characterized in that The stirring motor (201) and the transmission shaft (202) are in transmission connection through a first connecting shaft (4), and the transmission shaft (202) and the stirring shaft (203) are in transmission connection through a second connecting shaft (5).

5. A vertical stirred ball mill according to claim 4, characterized in that A first bearing (6) is arranged on the end wall of the transmission chamber (101) which is close to the side of the stirring motor (201), a second bearing (7) is arranged on the end wall of the transmission chamber (101) which is away from the side of the stirring motor (201), one end of the transmission shaft (202) penetrates through the first bearing (6), and the other end of the transmission shaft (202) penetrates through the second bearing (7).

6. The vertical stirred ball mill according to claim 1, characterized in that The stirring shaft (203) comprises a main shaft (2031) and a stirring structure which is arranged axially along the main shaft (2031).

7. A vertical stirred ball mill according to claim 6, characterized in that The stirring structure is a spiral blade (2032) or a stirring rod (2033).

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