CN114192243A - Ball milling device and method based on electromagnetic drive - Google Patents
Ball milling device and method based on electromagnetic drive Download PDFInfo
- Publication number
- CN114192243A CN114192243A CN202111409164.6A CN202111409164A CN114192243A CN 114192243 A CN114192243 A CN 114192243A CN 202111409164 A CN202111409164 A CN 202111409164A CN 114192243 A CN114192243 A CN 114192243A
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- Prior art keywords
- ball
- ball milling
- milling
- pulley
- barrel
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/10—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with one or a few disintegrating members arranged in the container
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/20—Disintegrating members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/24—Driving mechanisms
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a ball milling device and a ball milling method based on electromagnetic driving. When the device is energized, the coil may emit electromagnetic force along its axis, according to the principle of electromagnetic induction. The device realizes the irregular disturbance of the magnetic small balls in the ball milling barrel by introducing electromagnetic force. The disorder degree of the system is increased by the irregular disturbance of the magnetic small balls, and in the movement of the system, the tangential force and the normal force generated by collision and friction between the magnetic small balls and the magnetic small balls, between the magnetic small balls and the powder and between the magnetic small balls and the tank body finally grind the material into powder.
Description
Technical Field
The invention relates to the technical field of ball mills, in particular to a ball mill device and a method based on electromagnetic driving.
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.
It is widely used in the 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. The ball mill is suitable for grinding various ores and other materials, and is widely applied to the industries of mineral separation, building materials, chemical industry and the like. In the existing ball mill, small balls and materials are placed in a container, and the materials and the small balls are collided to grind the materials through the rotation of the container. The prior ball mill has less ball movement and low ball milling efficiency.
Disclosure of Invention
The invention aims to provide a ball milling device and a ball milling method with more small balls and good ball milling effect.
The invention provides a ball milling device based on electromagnetic driving, which comprises a ball milling barrel, wherein a plurality of magnetic small balls are placed in the ball milling barrel, and a winding is arranged on the outer side of the ball milling barrel.
Further, the windings comprise three groups of coils, the coils are longitudinally and uniformly distributed on the outer wall of the ball milling barrel, the longitudinal uniform distribution of the coils on the outer wall of the ball milling barrel means that the coils sequentially pass through the bottom, the first side part, the top and the second side part of the ball milling barrel and then return to the bottom, and the uniform distribution of the coils on the outer wall of the ball milling barrel means that the three coils are uniformly spaced on the side part of the ball milling barrel.
Further, the coils are connected with alternating current, and conduction angles of the coils are different.
Furthermore, the combination of the ball milling barrel and the winding is rotationally connected to the base, the combination of the ball milling barrel and the winding is driven by the motor to rotate, and the power supply supplies power to the winding through the electric brush.
The ball milling barrel and the winding are fixed in the barrel seat, the barrel seat is a regular hexagonal prism-shaped container with an opening at the top, the side wall of the ball milling barrel is fixedly connected with the inner wall of the barrel seat through a connecting rod, a first hole matched with the coil to penetrate through is formed in the connecting rod, and the coil penetrates through the first hole and is fixed; the ball milling device is characterized in that a ball inlet pipeline communicated with the interior of the ball milling barrel is arranged on the side wall of the ball milling barrel, a discharge pipeline communicated with the bottom of the interior of the ball milling barrel is arranged on the side wall of the ball milling barrel, and the ball inlet pipeline and the discharge pipeline are all communicated with the outer wall of the barrel seat.
Further, the bottom of the barrel seat is arranged on a chassis, and the chassis is connected with the base through a bearing.
Further, the base comprises a square shell, a mounting plate is arranged in the middle of the square shell, and the mounting plate divides the square shell into an upper mounting space and a lower mounting space; the chassis is rotatably mounted on the mounting plate through the bearing, and the motor is mounted in the lower mounting space.
The motor further comprises a first belt wheel, a transmission belt, a support plate and a second belt wheel, wherein the first belt wheel is fixed on an output shaft of the motor, the support plate is supported at the bottom of the lower installation space, the second belt wheel is rotatably connected to the support plate, the second belt wheel is fixed at the bottom of the chassis, and the first belt wheel and the second belt wheel are in transmission through the transmission belt.
Further, the second belt wheel is of a hollow structure, the rotating end of the electric brush is fixed in the second belt wheel and is electrically connected with the winding, and the fixed section of the electric brush is fixed on the support plate and is electrically connected with the power supply.
The invention also provides an electromagnetic ball milling method, which uses the electromagnetic ball milling device to perform ball milling.
The working principle of the invention is as follows: when one group of coils is electrified, coulomb force is generated according to the right-hand screw rule to drive the magnetic small balls in the ball milling barrel to move to the half side of the ball milling barrel. When the three groups of coils are sequentially electrified in the clockwise direction, the on-off time is controlled so that the small balls in the device start to rotate along the ball milling barrel.
The invention has the beneficial effects that: when the device is energized, the coil may emit electromagnetic force along its axis, according to the principle of electromagnetic induction. The device realizes the irregular disturbance of the magnetic small balls in the ball milling barrel by introducing electromagnetic force. The disorder degree of the system is increased by the irregular disturbance of the magnetic small balls, and in the movement of the system, the tangential force and the normal force generated by collision and friction between the magnetic small balls and the magnetic small balls, between the magnetic small balls and the powder and between the magnetic small balls and the tank body finally grind the material into powder. The device starts to rotate and the magnetic beads will move towards the walls due to the friction of the magnetic beads not being sufficient to resist the centrifugal force. After the electromagnetic force is applied, the characteristic that the magnetic small ball always moves against the four walls can be effectively disturbed by controlling the size and the direction of the electromagnetic force, so that the disorder degree of the system is increased. To provide ball milling efficiency.
Drawings
Fig. 1 is a cross-sectional view of the present invention.
Fig. 2 is a top view of the present invention.
Detailed Description
The present invention will be further described with reference to the following embodiments.
As shown in fig. 1 and fig. 2, the embodiment discloses a ball milling device based on electromagnetic driving, which includes a ball milling barrel 1, a plurality of magnetic beads 2 are placed in the ball milling barrel 1, and a winding 3 is disposed outside the ball milling barrel 1.
The winding 3 comprises three groups of coils, the coils are longitudinally and uniformly distributed on the outer wall of the ball milling barrel 1, the longitudinal uniform distribution on the outer wall of the ball milling barrel 1 means that the coils sequentially pass through the bottom, the first side part, the top and the second side part of the ball milling barrel 1 and then return to the bottom, and the uniform distribution on the outer wall of the ball milling barrel 1 means that the three coils are uniformly spaced on the side part of the ball milling barrel 1. The coils are connected with alternating current, and conduction angles among the coils are different.
The ball milling barrel 1 and the winding 3 are rotatably connected to a base 4, the ball milling barrel 1 and the winding 3 are driven by a motor 5 to rotate, and a power supply supplies power to the winding 3 through an electric brush 6.
The ball milling barrel 1 and the winding 3 are fixed in the barrel seat 7, the barrel seat 7 is a regular hexagonal prism-shaped container with an opening at the top, the side wall of the ball milling barrel 1 is fixedly connected with the inner wall of the barrel seat 7 through a connecting rod 71, a first hole matched with the coil to penetrate through is formed in the connecting rod 71, and the coil penetrates through the first hole and is fixed; the side wall of the ball milling barrel 1 is provided with a ball inlet pipeline 72 communicated with the inside of the ball milling barrel 1, the side wall of the ball milling barrel 1 is provided with a discharge pipeline 73 communicated with the bottom of the inside of the ball milling barrel 1, and the ball inlet pipeline 72 and the discharge pipeline 73 are all communicated with the outer wall of the barrel seat 7.
The bottom of the barrel seat 7 is arranged on a bottom plate 74, and the bottom plate 74 is connected with the base 4 through a bearing 75. The base 4 comprises a square shell, a mounting plate is arranged in the middle of the square shell, and the mounting plate divides the square shell into an upper mounting space and a lower mounting space; the chassis 74 is rotatably mounted on the mounting plate by the bearing 75, and the motor 5 is mounted in the lower mounting space.
The motor further comprises a first pulley 81, a transmission belt 82, a support plate 83 and a second pulley 84, wherein the first pulley 81 is fixed on an output shaft of the motor 5, the support plate 83 is supported at the bottom of the lower installation space, the second pulley 84 is rotatably connected to the support plate 83, the second pulley 84 is fixed at the bottom of the chassis 74, and the first pulley 81 and the second pulley 84 are in transmission through the transmission belt 82.
The second pulley 84 is a hollow structure, the rotating end of the brush 6 is fixed in the second pulley 84 and electrically connected with the winding 3, and the fixed section of the brush 6 is fixed on the support plate 83 and electrically connected with the power supply.
The invention has the beneficial effects that: when the device is energized, the coil may emit electromagnetic force along its axis, according to the principle of electromagnetic induction. The device realizes the irregular disturbance of the magnetic small balls 2 in the ball milling barrel 1 by introducing electromagnetic force. The disorder degree of the system is increased by the irregular disturbance of the magnetic small balls 2, and in the movement of the system, the tangential force and the normal force generated by the collision and the friction between the magnetic small balls 2 and the magnetic small balls 2, between the magnetic small balls 2 and the powder and between the balls and the tank body finally grind the material into powder. The device starts to rotate and the magnetic beads 2 will move towards the walls due to the friction of the magnetic beads 2 not being sufficient to resist the centrifugal force. After the electromagnetic force is applied, the characteristic that the magnetic small ball 2 always moves against the four walls can be effectively disturbed by controlling the magnitude and the direction of the electromagnetic force, so that the disorder degree of the system is increased. To provide ball milling efficiency.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. Ball-milling device based on electromagnetic drive, its characterized in that includes ball-milling bucket (1), a plurality of magnetism bobbles (2) have been placed in ball-milling bucket (1), ball-milling bucket (1) outside is provided with winding (3).
2. The electromagnetic drive-based ball milling apparatus according to claim 1, characterized in that the windings (3) comprise three groups of coils, and the coils are longitudinally and uniformly distributed on the outer wall of the ball milling barrel (1).
3. The electromagnetic drive-based ball milling apparatus of claim 1, wherein the coils are connected with alternating current, and the conduction angles between the coils are different.
4. Ball milling apparatus based on electromagnetic drive according to claim 2, characterised in that the assembly of the milling bowl (1) and the windings (3) is rotatably connected to the base (4), the assembly of the milling bowl (1) and the windings (3) being rotated by a motor (5), and the windings (3) being supplied with power from a power source via brushes (6).
5. The ball milling device based on the electromagnetic drive is characterized by further comprising a barrel seat (7), wherein the ball milling barrel (1) and the winding (3) are fixed in the barrel seat (7), the barrel seat (7) is a container with a regular hexagonal prism shape and an open top, the side wall of the ball milling barrel (1) is fixedly connected with the inner wall of the barrel seat (7) through a connecting rod (71), a first hole (71) which is matched with the coil to pass through is formed in the connecting rod (71), and the coil passes through the first hole and is fixed; install on ball-milling bucket (1) lateral wall with ball inlet pipeline (72) of ball-milling bucket (1) inside intercommunication, install on ball-milling bucket (1) lateral wall with discharge pipeline (73) of ball-milling bucket (1) inside bottom intercommunication, ball inlet pipeline (72) with discharge pipeline (73) are all linked to the bucket seat (7) outer wall.
6. An electromagnetic drive based ball milling apparatus as claimed in claim 5 wherein the bottom of the barrel seat (7) is mounted on a bottom plate (74), the bottom plate (74) being connected to the base (4) by a bearing (75).
7. The ball milling apparatus based on electromagnetic drive according to claim 6, characterized in that the base (4) comprises a square housing, a mounting plate is provided in the middle of the square housing, and the mounting plate divides the square housing into an upper mounting space and a lower mounting space; the chassis (74) is rotatably mounted on the mounting plate through the bearing (75), and the motor (5) is mounted in the lower mounting space.
8. The ball milling device based on the electromagnetic drive according to claim 7, characterized by further comprising a first pulley (81), a transmission belt (82), a support plate (83) and a second pulley (84), wherein the first pulley (81) is fixed on the output shaft of the motor (5), the support plate (83) is supported at the bottom of the lower installation space, the second pulley (84) is rotatably connected on the support plate (83), the second pulley (84) is fixed at the bottom of the chassis (74), and the first pulley (81) and the second pulley (84) are in transmission with the transmission belt (82).
9. The ball milling device based on the electromagnetic drive according to claim 8, characterized in that the second pulley (84) is a hollow structure, the rotating end of the brush (6) is fixed in the second pulley (84) and is electrically connected with the winding (3), and the fixed section of the brush (6) is fixed on the support plate (83) and is electrically connected with the power supply.
10. An electromagnetic ball milling method, characterized in that ball milling is carried out using an electromagnetic ball milling apparatus according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111409164.6A CN114192243A (en) | 2021-11-25 | 2021-11-25 | Ball milling device and method based on electromagnetic drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111409164.6A CN114192243A (en) | 2021-11-25 | 2021-11-25 | Ball milling device and method based on electromagnetic drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114192243A true CN114192243A (en) | 2022-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111409164.6A Pending CN114192243A (en) | 2021-11-25 | 2021-11-25 | Ball milling device and method based on electromagnetic drive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114192243A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB754070A (en) * | 1954-10-04 | 1956-08-01 | Vibro Dynamic Engineering Inc | Ball mill apparatus |
| SU1761273A1 (en) * | 1990-05-29 | 1992-09-15 | Коммунарский горно-металлургический институт | Beads-like grinder |
| JPH1190256A (en) * | 1997-09-19 | 1999-04-06 | Yaskawa Electric Corp | Electromagnetic ball mill device |
| TW531450B (en) * | 2002-08-26 | 2003-05-11 | Ind Tech Res Inst | Method and device for grinding fine particles |
| CN2690045Y (en) * | 2004-04-29 | 2005-04-06 | 廖椿豪 | Magnetic force grinder |
| JP2010201291A (en) * | 2009-02-27 | 2010-09-16 | Doshisha | Ball milling device |
| CN107096612A (en) * | 2017-05-23 | 2017-08-29 | 上海化工研究院有限公司 | A kind of magnetic force vibration and sway impact type ball mill device |
-
2021
- 2021-11-25 CN CN202111409164.6A patent/CN114192243A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB754070A (en) * | 1954-10-04 | 1956-08-01 | Vibro Dynamic Engineering Inc | Ball mill apparatus |
| SU1761273A1 (en) * | 1990-05-29 | 1992-09-15 | Коммунарский горно-металлургический институт | Beads-like grinder |
| JPH1190256A (en) * | 1997-09-19 | 1999-04-06 | Yaskawa Electric Corp | Electromagnetic ball mill device |
| TW531450B (en) * | 2002-08-26 | 2003-05-11 | Ind Tech Res Inst | Method and device for grinding fine particles |
| CN2690045Y (en) * | 2004-04-29 | 2005-04-06 | 廖椿豪 | Magnetic force grinder |
| JP2010201291A (en) * | 2009-02-27 | 2010-09-16 | Doshisha | Ball milling device |
| CN107096612A (en) * | 2017-05-23 | 2017-08-29 | 上海化工研究院有限公司 | A kind of magnetic force vibration and sway impact type ball mill device |
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