CN210646655U - High-efficient multistage ball-milling device - Google Patents
High-efficient multistage ball-milling device Download PDFInfo
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- CN210646655U CN210646655U CN201921630729.1U CN201921630729U CN210646655U CN 210646655 U CN210646655 U CN 210646655U CN 201921630729 U CN201921630729 U CN 201921630729U CN 210646655 U CN210646655 U CN 210646655U
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Abstract
The utility model discloses a high-efficient multistage ball-milling device. The utility model comprises a first ball mill and a second ball mill which are respectively driven by a first motor and a second motor, wherein the discharge end of the first ball mill is communicated with the feed end of the second ball mill through a bearing, and the rotating speed of the first motor is greater than that of the second motor; let a set of ball-milling device can only receive the grinding effect completely after its inside material grinds less particle diameter, let the ball mill can have better grinding effect.
Description
Technical Field
The utility model relates to a ball-milling device, specific theory is a high-efficient multistage ball-milling device.
Background
The ball mill is the key equipment for crushing the materials after the materials are crushed. This type of mill is provided with a number of steel balls as grinding media in the barrel.
The rotating speed of the ball mill has great influence on the ball mill, for example, when the rotating speed is too high, centrifugal force enables the steel balls to rotate along with the cylinder body, the whole steel ball forms a circular ring tightly attached to the inner wall of the cylinder body, the circular ring is called as a 'turnover state', and the grinding medium cannot impact and grind materials. When the rotation speed is too slow, the materials and the grinding media rise to 40-50 degrees along the rotation of the mill, relative sliding is also formed between layers during the rising period, namely the sliding is called, and when the friction force between the grinding media and the materials and the cylinder body is equal to the dynamic friction angle, the grinding media and the materials slide downwards, namely the falling state is called. Has grinding effect on materials but has no impact on the materials, thereby ensuring poor grinding efficiency. When the rotating speed is moderate, although the impact effect of the steel balls and the grinding effect of the steel balls are achieved in the ball mill, the grinding effect is poor, when the particle size of the materials in the ball mill is small, the impact effect on the materials with small particle sizes is poorer than that of grinding, and at the moment, the grinding efficiency of the ball mill is greatly reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high-efficient multistage ball-milling device lets one set of ball-milling device can only receive the grinding effect completely after its inside material ground less particle diameter, lets the ball mill can have better grinding effect.
In order to achieve the above purpose, the utility model adopts the following technical means:
the utility model provides a high-efficient multistage ball-milling device, includes first ball mill and the second ball mill that utilizes first motor and second motor drive respectively, the discharge end of first ball mill passes through the bearing intercommunication the feed end of second ball mill, the rotational speed of first motor is greater than the rotational speed of second motor.
Preferably, the first ball mill comprises a first ball mill barrel, the first ball mill barrel comprises a feeding plate provided with a feeding device of the first ball mill and a rotating plate provided with a transmission shaft, a net-shaped barrel body is connected between the rotating plate and the feeding plate, a material blocking barrel is arranged outside the feeding plate and the rotating plate, the material blocking barrel wraps the net-shaped barrel body and is connected with the feeding plate and the rotating plate through a bearing ring, a discharge hopper is communicated with the bottom surface of the material blocking barrel, and the discharge hopper is communicated with the feeding end of the second ball mill.
Furthermore, the discharge hopper is arranged above the feeding end of the second ball mill, and the discharge bucket is communicated with the feeding end of the second ball mill through an arc-shaped pipe.
Furthermore, the discharge end of the arc-shaped pipe is connected with the feed end of the second ball mill through a sealing bearing.
Furthermore, the length of the feeding end of the discharge hopper is the same as that of the mesh barrel body.
Furthermore, the second ball mill comprises a second ball mill barrel, one end of the second ball mill barrel is communicated with a second ball mill feeding device, the other end of the second ball mill barrel is communicated with a ball mill discharging device, a rotary gear ring is installed on an outer wall sleeve of the second ball mill barrel, and the rotary gear ring is in transmission connection with the second motor through a speed reducer.
The utility model discloses compare with common ball mill, have following beneficial effect: by arranging two ball mills which independently run, the rotating speed of the first ball mill is higher, so that the steel balls in the first ball mill can move upwards under the action of centrifugal force according to the grinding cylinder of the first ball mill, leave the surface of the ball grinding cylinder and fall along the parabolic trajectory after moving for one end distance to impact materials, larger materials are added in the first ball mill, the first ball mill mainly plays a role in impacting and crushing the materials, the materials crushed by the first ball mill are conveyed into the second ball mill from the discharge end of the first ball mill through a pipeline, the rotating speed of the second ball mill is lower, the steel balls in the second ball mill do not generate parabolic motion, all the steel balls only slide down, and thus, only the steel balls in the second ball mill completely have a grinding effect on the materials, and the materials crushed by the first ball mill are subjected to the impact, can only receive the grinding effect of steel ball completely in the second ball mill to let the material can be broken by more efficient.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The ball mill comprises a first ball mill 1, a first ball mill 11, a first ball mill cylinder 111, a feeding plate 112, a transmission shaft 113, a rotating plate 114, a mesh barrel body 114, a second ball mill 2, a second ball mill 21, a second ball mill cylinder 22, a second ball mill feeding device 23, a ball mill discharging device 24, a rotating gear ring 3, a bearing 3, a material blocking barrel 4, a bearing ring 5, a discharging hopper 6 and an arc-shaped pipe 7.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following embodiments and accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
Referring to fig. 1, a high-efficiency multi-stage ball milling apparatus includes a first ball mill 1 and a second ball mill 2 driven by a first motor and a second motor, respectively, a discharge end of the first ball mill 1 is communicated with a feed end of the second ball mill 2 through a bearing 3, and a rotation speed of the first motor is greater than a rotation speed of the second motor.
In this embodiment, by providing two ball mills which operate independently, the rotation speed of the first ball mill 1 is relatively high, so that the steel balls inside the first ball mill can move upwards under the action of centrifugal force according to the grinding cylinder of the first ball mill 1, and after moving for a certain distance, the steel balls leave the surface of the ball grinding cylinder and fall freely along the parabolic trajectory to impact the material, a relatively large material is added to the first ball mill 1, the first ball mill 1 mainly plays a role in impacting and crushing the material, the material crushed by the first ball mill 1 is conveyed into the second ball mill 2 from the discharge end of the first ball mill 1 through a pipeline, the rotation speed of the second ball mill 2 is relatively low, so that the steel balls inside the second ball mill do not generate parabolic motion, all the steel balls only slide, and thus, only the steel balls completely grind the material in the second ball mill 2, therefore, materials crushed by the first ball mill 1 can be completely only subjected to the grinding action of the steel balls in the second ball mill 2, and the materials can be more efficiently crushed.
Example 2
On the basis of embodiment 1, the first ball mill 1 includes a first ball mill barrel 11, the first ball mill barrel 11 includes a feeding plate 111 provided with a first ball mill feeding device and a rotating plate 113 provided with a transmission shaft 112, the transmission shaft 112 and the first motor are connected through a speed reducer transmission, a mesh barrel 114 is connected between the rotating plate 113 and the feeding plate 111, a blocking barrel 4 is installed outside the feeding plate 111 and the rotating plate 113, the blocking barrel 4 wraps the mesh barrel 114 and is connected with the feeding plate 111 and the rotating plate 113 through a bearing ring 5, a discharge hopper 6 is communicated with a bottom surface of the blocking barrel 4, and the discharge hopper 6 is communicated with a feeding end of the second ball mill 2.
In this embodiment, the material is impacted the back in first ball mill section of thick bamboo 11, through setting up netted staving 114 into the aperture that can only let the material of needs pass through, after the material got into netted staving 114 from first ball mill feed arrangement like this, it is fixed to keep off material bucket 4, netted staving 114 is at keeping off material bucket 4 internal rotation, after the material in netted staving 114 was broken to the particle diameter that can pass through netted staving 114 aperture, spill from netted staving 114, get into second ball mill 2 from discharging hopper 6 and carry out the grinding of slow speed, the effectual material particle diameter of having avoided getting into second ball mill 2 is too big and cause the unable effectively condition by the grinding of material.
Example 3
On the basis of the embodiment 2, the discharge hopper 6 is arranged above the feeding end of the second ball mill 2, and the discharge hopper 6 is communicated with the feeding end of the second ball mill 2 through an arc-shaped pipe 7.
In this embodiment, the material discharged from the discharge hopper 6 can fall under its own weight along the arced tube 7 into the feed end of the second ball mill 2.
Example 4
On the basis of example 3, the discharge end of the curved pipe 7 is connected with the feed end of the second ball mill 2 by a sealed bearing 3.
The rotation of the second ball mill 2 is allowed not to affect the discharging process from the inside of the arc tube 7.
Example 5
On the basis of embodiment 4, the bottom surface of the material blocking barrel 4 is open and is communicated with the discharge hopper 6, the length of the feeding end of the discharge hopper 6 is the same as that of the mesh barrel body 114, and the section diameter of the discharge hopper 6 is the same as that of the wide mesh barrel body 114.
Thus, in this embodiment, the material leaking from the mesh-shaped bucket body 114 can completely and directly enter the discharge hopper 6, and the material is prevented from being accumulated on the bottom surface of the retaining bucket 4 in a large amount after leaking from the mesh-shaped bucket body 114.
Example 6
On the basis of embodiment 5, the second ball mill 2 includes a second ball mill barrel 21, one end of the second ball mill barrel 21 is communicated with a second ball mill feeding device 22, the other end is communicated with a ball mill discharging device 23, a rotary gear ring 24 is installed on an outer wall sleeve of the second ball mill barrel 21, and the rotary gear ring 24 is in transmission connection with the second motor through a speed reducer.
After the material got into the second ball mill, got into second ball mill section of thick bamboo 21 in the follow second ball mill feed arrangement 22, second ball mill section of thick bamboo 21 passes through the running gear 24 and is connected with power device, lets second ball mill section of thick bamboo 21 slow speed rotate, makes its inside only grinding effect completely, lets the less material of particle diameter can be more abundant receive the grinding.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (6)
1. The utility model provides a high-efficient multistage ball-milling device which characterized in that: the device comprises a first ball mill (1) and a second ball mill (2) which are respectively driven by a first motor and a second motor, wherein the discharge end of the first ball mill (1) is communicated with the feed end of the second ball mill (2) through a bearing (3), and the rotating speed of the first motor is greater than that of the second motor.
2. The high-efficiency multistage ball milling apparatus according to claim 1, wherein: first ball mill (1) includes a ball mill section of thick bamboo (11), a ball mill section of thick bamboo (11) is including feed plate (111) of installing first ball mill feed arrangement and rotor plate (113) of installing transmission shaft (112), rotor plate (113) with be connected with netted staving (114) between feed plate (111), feed plate (111) with the externally mounted of rotor plate (113) has fender storage bucket (4), it will to keep off storage bucket (4) netted staving (114) parcel and with feed plate (111) and connect through race ring (5) between rotor plate (113), the bottom surface intercommunication that keeps off storage bucket (4) has discharge hopper (6), discharge hopper (6) with the feed end intercommunication of second ball mill (2).
3. A high efficiency multi-stage ball milling apparatus as set forth in claim 2, wherein: the discharge hopper (6) is arranged above the feeding end of the second ball mill (2), and the discharge hopper (6) is communicated with the feeding end of the second ball mill (2) through an arc-shaped pipe (7).
4. A high efficiency multi-stage ball milling apparatus as set forth in claim 3, wherein: the discharge end of the arc-shaped pipe (7) is connected with the feed end of the second ball mill (2) through a sealing bearing (3).
5. A high efficiency multistage ball milling apparatus as claimed in any one of claims 2 to 4, wherein: the length of the feeding end of the discharge hopper (6) is the same as that of the mesh barrel body (114).
6. The high-efficiency multistage ball milling apparatus according to claim 1, wherein: the second ball mill (2) comprises a second ball mill barrel (21), one end of the second ball mill barrel (21) is communicated with a second ball mill feeding device (22), the other end of the second ball mill barrel is communicated with a ball mill discharging device (23), a rotating gear ring (24) is installed on an outer wall sleeve of the second ball mill barrel (21), and the rotating gear ring (24) is in transmission connection with a second motor through a speed reducer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921630729.1U CN210646655U (en) | 2019-09-27 | 2019-09-27 | High-efficient multistage ball-milling device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921630729.1U CN210646655U (en) | 2019-09-27 | 2019-09-27 | High-efficient multistage ball-milling device |
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| CN210646655U true CN210646655U (en) | 2020-06-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111807735A (en) * | 2020-06-28 | 2020-10-23 | 北新集团建材股份有限公司 | Gypsum powder composite modification system and modification method |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111807735A (en) * | 2020-06-28 | 2020-10-23 | 北新集团建材股份有限公司 | Gypsum powder composite modification system and modification method |
| CN111807735B (en) * | 2020-06-28 | 2022-02-18 | 北新集团建材股份有限公司 | Gypsum powder composite modification system and modification method |
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