CN211838232U - Automatic ball adding and metering device of ball mill - Google Patents
Automatic ball adding and metering device of ball mill Download PDFInfo
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- CN211838232U CN211838232U CN202020474727.4U CN202020474727U CN211838232U CN 211838232 U CN211838232 U CN 211838232U CN 202020474727 U CN202020474727 U CN 202020474727U CN 211838232 U CN211838232 U CN 211838232U
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Abstract
The utility model discloses an automatic ball feeding and metering device of a ball mill, which comprises a ball bin, a ball pushing device, a rotary ball separating device, a fixed ball separating device, a power device, a ball separating power device and a control device; the ball bin is provided with an inner cavity in the long axis direction, one end of the ball bin, which is positioned at a high position, is provided with a ball adding port, and the bottom of one end, which is positioned at a low position, is provided with a ball outlet; one end of the transportation channel is fixedly connected with the ball outlet, and the other end of the transportation channel is positioned above the rotary ball distributing device; the ball-pulling device comprises a ball-pulling steel sheet and a rocker; the rotary ball distributing device is mechanically connected with a ball distributing power device; the rotary ball distribution device is rotatably arranged at the top of the fixed ball distribution device; the fixed ball distributing device is arranged in alignment with a steel ball input port of the ball mill; the control device is electrically connected with the power device and the ball distributing power device respectively. The utility model discloses can effectively avoid current automatic ball machine of adding easy card ball, add the problem that ball process control precision is low, solve card ball problem, realize that the meticulous automation of steel ball adds.
Description
Technical Field
The utility model relates to a mineral processing field, concretely relates to automatic device that adds ball and measurement of ball mill.
Background
The ball mill is one of key devices for crushing and grinding minerals. In the operation process of the ball mill, the steel balls are consumed, so that the ball adding operation is needed to make up for the loss of the steel balls. At present, ore dressing enterprises generally adopt crown blocks to add balls, bag-formed steel balls are hung to an ore feeding end of a ball mill through the crown blocks, a plurality of tons of steel balls are added to the ball mill at one time, the stability of the ball mill is seriously influenced, the noise is large, and the safety coefficient is low. The existing automatic ball adding device has the problems of ball blocking, high failure rate, low ball adding control precision and the like, and is difficult to meet the production requirements of enterprises. Therefore, it is necessary to develop an automatic ball feeding device with high efficiency and low failure rate.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an automatic device that adds ball and measurement of ball mill, solve the automatic easy card ball that adds the ball machine existence of current ball mill, add the problem that ball process control precision is low, develop an automatic device that adds ball and measurement of ball mill, solve card ball problem, realize the automatic interpolation that becomes more meticulous of steel ball.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an automatic ball feeding and metering device of a ball mill comprises a steel ball, a ball bin, a ball pushing device, a rotary ball separating device, a fixed ball separating device, a power device, a ball separating power device and a control device; the ball bin is provided with an inner cavity in the long axis direction, the long axis direction of the ball bin has a certain included angle with the horizontal plane, one end of the ball bin, which is positioned at a high position, is provided with a ball adding port, and the ball adding port penetrates through the inner cavity; the bottom of one end of the ball bin, which is positioned at a low position, is provided with a ball outlet, and the ball outlet penetrates through the inner cavity; one end of the transportation channel is fixedly connected with the ball outlet, the other end of the transportation channel is positioned above the rotary ball separating device, and the diameter of the transportation channel is slightly larger than the average diameter of the steel balls; the ball pushing device comprises ball pushing steel sheets and a rocker, one end of the rocker is connected with a plurality of ball pushing steel sheets in a surrounding mode, the ball pushing steel sheets are rotatably arranged into the inner cavity from one end, located at the lower position, of the ball bin and are matched with the inner cavity, and the ball pushing steel sheets can be pushed at the ball outlet; the other end of the rocker is mechanically connected with the power device; the rotary ball distributing device is mechanically connected with the ball distributing power device; the rotary ball separating device comprises a disc body and a lower ball opening, and the height of the disc body is consistent with the average diameter of the steel balls; the disc body is provided with a plurality of lower ball ports which penetrate through the disc body in the direction vertical to the disc surface of the disc body, namely in the height direction of the disc body, the plurality of lower ball ports are arranged around the center of the disc body, and the diameter of each lower ball port is larger than the average diameter of the steel ball; the fixed ball distributing device comprises a ball distributing disc and a ball distributing opening, the ball distributing opening penetrating through the ball distributing disc in the height direction of the ball distributing disc is arranged on the ball distributing disc, the diameter of the ball distributing opening is larger than the average diameter of the steel balls, and the diameter of the ball distributing opening is larger than or equal to the diameter of the lower ball opening; the disc body can be arranged at the top of the ball distribution disc in a manner of rotating around the center of the disc body; the ball distributing port is aligned to a steel ball input port of the ball mill; the control device is electrically connected with the power device and the ball distribution power device and used for metering the addition amount of the steel balls, controlling the starting and stopping of the power device and the ball distribution power device and setting the running time of the power device and the ball distribution power device. The control device can use a single chip microcomputer or a programmable logic controller and other machines which can manually or automatically control other devices.
Further, the ball bin is a cylinder and is made of steel lining rubber. The cylindrical ball bin can facilitate the rotation and design of the ball pulling steel sheet in the inner cavity; steel lining rubber is selected for use to the material, can reduce wholly the weight of ball feed bin is difficult to damage because of the continuous striking of steel ball simultaneously the ball feed bin prolongs the life of ball feed bin.
Specifically, power device can be for devices such as motor that can realize driving the rocker carries out the pivoted, in this embodiment, power device is the motor, the rocker other end with the transmission shaft mechanical connection of motor, when the motor starts, the transmission shaft of motor begins to rotate, and drives the rocker rotates to drive a plurality of group ball steel sheet is in rotate in the inside cavity, when the steel ball from add the ball mouth entering, roll to go out ball mouth department, get into the transportation channel, group ball steel sheet can be stagnated in the central point of going out the ball mouth puts the department, prevents that the steel ball from continuing the gathering to go out ball mouth department, thereby prevents the emergence of card ball.
Specifically, the ball distributing power device can be a motor or other devices capable of driving the rotary ball distributing device to rotate; the rotary ball separating device is used for ensuring that only one steel ball passes through the rotary ball separating device at a time, and avoiding the occurrence of a ball clamping phenomenon which possibly occurs when a plurality of steel balls pass through the rotary ball separating device.
Further, the top of disc body sets up the arc recess, the arc recess intercommunication ball mouth under a plurality of, the recess width of arc recess with the diameter of ball mouth is unanimous down, the degree of depth is less than the average diameter of steel ball.
Furthermore, the disc body and the ball distribution disc are made of steel, so that the disc body and the ball distribution disc are not easily damaged due to the impact of the steel balls.
The beneficial effects of the utility model reside in that:
1. through the design of the size and the rotation frequency of the ball pushing device and the rotary ball separating device, the problem that a traditional ball adding machine is easy to clamp balls is solved.
2. The rotary ball separating device can be used for realizing the one-by-one addition of the steel balls, is convenient for metering, is favorable for improving the stable operation of the mill, improves the ore grinding efficiency and reduces the consumption of the steel balls.
3. The labor intensity is reduced, and the operation safety is improved.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a bottom view of the rotary ball-separating device in the embodiment of the present invention;
fig. 3 is a top view of the fixed ball-separating device in the embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, and it should be noted that the following embodiments are based on the technical solution, and the detailed embodiments and the specific operation processes are provided, but the protection scope of the present invention is not limited to the embodiments.
As shown in fig. 1-3, an automatic ball feeding and metering device for a ball mill comprises a steel ball 3, a ball bin 2, a ball pushing device, a rotary ball separating device 5, a fixed ball separating device 6, a power device 10, a ball separating power device 13 and a control device 12; an inner cavity is formed in the ball bin 2 in the long axis direction, a certain included angle is formed between the long axis direction of the ball bin 2 and the horizontal plane, a ball adding port 1 is formed in one end, located at the high position, of the ball bin 2, and the ball adding port 1 penetrates through the inner cavity; a ball outlet 4 is arranged at the bottom of one end of the ball bin 2 at a low position, and the ball outlet 4 penetrates through the inner cavity; one end of a transportation channel 11 is fixedly connected with the ball outlet 4, the other end of the transportation channel is positioned above the rotary ball separating device 5, and the diameter of the transportation channel 11 is slightly larger than the average diameter of the steel balls 3; the ball pushing device comprises ball pushing steel sheets 8 and a rocker 9, one end of the rocker 9 is connected with a plurality of ball pushing steel sheets 8 in a surrounding mode, the plurality of ball pushing steel sheets 8 are rotatably arranged into the inner cavity from one end, located at a low position, of the ball bin 2 and are matched with the inner cavity, and therefore the ball pushing steel sheets 8 can be pushed at the ball outlet 4; the other end of the rocker 9 is mechanically connected with the power device 10; the rotary ball distributing device 5 is mechanically connected with the ball distributing power device 13; the rotary ball separating device 5 comprises a disc body 52 and a plurality of lower ball openings 51, and the height of the disc body 52 is consistent with the average diameter of the steel balls 3; the lower ball ports 51 penetrate through the disc body 52 in a direction perpendicular to the disc surface of the disc body 52, namely, in the height direction of the disc body 52, the lower ball ports 51 are arranged around the center of the disc body 52, and the diameter of the lower ball ports 51 is larger than the average diameter of the steel balls 3; the fixed ball distributing device 6 comprises a ball distributing disc 61 and a ball distributing port 7, the ball distributing disc 61 is provided with the ball distributing port 7 which penetrates through the ball distributing disc 61 in the height direction of the ball distributing disc 61, the diameter of the ball distributing port 7 is larger than the average diameter of the steel balls 3, and the diameter of the ball distributing port 7 is larger than or equal to the diameter of the lower ball port 51; the rotary ball distribution device 5 is rotatably arranged at the top of the fixed ball distribution device 6; the fixed ball distributing device 6 is arranged in alignment with a steel ball input port of the ball mill, namely, the disc body 52 is arranged at the top of the ball distributing disc 61 in a manner of rotating around the center of the disc body 52; the ball distributing port 7 is aligned to a steel ball input port of the ball mill; the control device 12 is electrically connected with the power device 10 and the ball distribution power device 13, and the control device 12 is used for metering the addition amount of the steel balls 3, controlling the start and stop of the power device 10 and the ball distribution power device 13, and setting the running time of the two. The control device 12 may use a single chip microcomputer or a programmable logic controller or other machines capable of controlling other devices manually or automatically.
In the automatic ball adding and metering device of the ball mill, specifically, the usable range of the included angle between the long axis direction of the ball bin 2 and the horizontal plane is 5-30 degrees, and the design enables the steel ball 3 to automatically roll to the ball outlet 4 after entering from the ball adding port 1. The ball bin 2 is fixedly arranged above a steel ball 3 input port of the ball mill. Both ends of the ball bin 2 are in a closed state, so that the steel balls 3 are prevented from falling out.
Further, the ball bin 2 is a cylinder made of steel lining rubber. The cylindrical ball bin 2 can facilitate the rotation and design of the ball pulling steel sheet 8 in the inner cavity; steel lining rubber is selected for use to the material, can reduce whole ball feed bin 2's weight is difficult to damage because of the continuous striking of steel ball 3 ball feed bin 2, extension ball feed bin 2's life simultaneously.
Specifically, the other end of the transportation channel 11 is located above the rotary ball distributing device 5 in the vertical direction and is 0.05 d-0.2 d away from the rotary ball distributing device, d is the average diameter of the steel ball 3, the distance can prevent the steel ball 3 from being separated while ensuring that the steel ball 3 is accurately transferred to the lower ball opening 51 of the rotary ball distributing device 5, and the transportation channel 11 is used for connecting the ball outlet 4 with the rotary ball distributing device 5 and transferring the steel ball 3 from the ball outlet 4 to the lower ball opening 51 of the rotary ball distributing device 5.
Specifically, the power device 10 may be a motor or other device capable of driving the rocker 9 to rotate, in this embodiment, the power device 10 is a motor, the other end of the rocker 9 is mechanically connected to a transmission shaft of the motor, when the motor is started, the transmission shaft of the motor starts to rotate and drives the rocker 9 to rotate, so as to drive the ball pushing steel sheets 8 to rotate in the internal cavity, when the steel ball 3 enters from the ball adding port 1, rolls to the ball outlet 4 and enters into the transportation channel 11, the ball pushing steel sheets 8 can be stopped at the central position of the ball outlet 4, so as to prevent the steel ball 3 from being continuously gathered at the ball outlet 4, and thus prevent the occurrence of ball jamming. In the present embodiment, the ball pulling steel piece 8 is provided with 3 pieces.
Specifically, the ball distributing power device 13 may be a motor or other device capable of driving the rotary ball distributing device 5 to rotate; the rotary ball separating device 5 is used for ensuring that only one steel ball 3 passes through at a time, and avoiding the occurrence of a ball clamping phenomenon which possibly occurs when a plurality of steel balls 3 pass through. In this embodiment, the lower ball ports 51 are provided in 4 numbers, and are respectively arranged around the center of the disc body 52 at equal intervals. When the rotary ball-separating device 5 rotates 90 °, one of the ball-dropping openings 51 is aligned with the transportation channel 11, and the steel ball 3 in the transportation channel 11 can directly enter the ball-dropping opening 51.
Further, the top of disc body 52 sets up arc recess 53, arc recess 53 communicates ball mouth 51 under a plurality of, the recess width of arc recess 53 with the diameter of ball mouth is unanimous down, and the degree of depth is less than the average diameter of steel ball, specifically, the degree of depth of arc recess 53 is 0.1 ~ 0.3 d. The arc-shaped groove 53 can fix the movement track of the steel ball when the disc body 52 rotates, more importantly, when the steel ball entering the lower ball opening 51 is smaller than the average diameter, half of the second steel ball enters the lower ball opening 51, the other half of the second steel ball stays in the transportation channel 11, the arc-shaped groove 53 can receive the second steel ball entering the lower ball opening, and the disc body 52 is prevented from being difficult to rotate due to ball blocking.
Specifically, the diameter of the ball dividing port 7 is larger than the average diameter of the steel ball 3, and the diameter of the ball dividing port 7 is larger than or equal to the diameter of the lower ball port 51, so that the steel ball 3 can be smoothly transferred from the lower ball port 51 to the ball dividing port 7, and smoothly pass through the ball dividing port 7 and be transferred to the ball mill. The fixed ball separating device 6 cannot rotate, namely the position of the ball separating port 7 is fixed, and the steel ball 3 can enter the ball mill from the same position and cannot fall out of the ball mill.
Furthermore, the disc body 52 and the ball distribution disc 61 are made of steel, so that the disc body 52 and the ball distribution disc 61 are not easily damaged due to the impact of the steel ball 3.
It should be noted that, in this embodiment, through the setting of the control device 12, the time required for the ball pushing steel sheet 8 to swing once is consistent with the time required for the disc body 52 of the rotary ball distributing device 5 to rotate by 90 °, and when the lower ball outlet 51 of the rotary ball distributing device 5 is aligned with the transportation channel 11, the ball pushing steel sheet 8 is exactly located at the center of the ball outlet 4 of the ball bin 2, so as to prevent the ball 3 from gathering at the ball outlet 4 and causing a ball jamming phenomenon.
The device for automatically adding and metering the balls of the ball mill is applicable to the process conditions and the range as follows: a plurality of tons of steel balls 3 are added into the ball bin 2 at one time, and a plurality of steel balls 3 are automatically added into the ball mill every hour through the operation of the rotary ball separating device 5 and the fixed ball separating device 6 in the device, and the ball clamping phenomenon does not occur in the ball adding process.
The working principle of the automatic ball adding and metering device of the ball mill is as follows: a plurality of tons of steel balls 3 are added into the ball bin 2 at one time, the steel balls 3 roll to the ball outlet 4, a plurality of steel balls 3 enter the transportation channel 11, the power device 10 and the ball-separating power device 13 are started by the control device 12 to drive the rocker 9 to rotate, thereby driving the ball-pulling steel sheet 8 to rotate, when the ball-dropping opening 51 rotates to align with the transportation channel 11, the ball-poking steel sheet 8 stops at the central position of the ball outlet 4, pokes the steel balls 3 gathered at the ball outlet 4, the steel ball 3 in the transportation channel 11 enters the lower ball opening 51, the lower ball opening 51 rotates to be aligned with the ball distributing opening 7 of the fixed ball distributing device 6, the steel ball 3 enters the ball mill through the ball distributing opening 7, then the other lower ball opening 51 rotates to be aligned with the transportation channel 11, and the ball distributing process is repeated.
Example 1
The annual treatment capacity of the ball mill is 50 ten thousand t/a, the ball mill is matched with an automatic ball adding and metering device, the diameter of a steel ball is 60cm, the steel ball with the weight of 5t is added into the ball bin at one time, 8-9 steel balls are automatically added into the ball mill every hour through the automatic ball adding and metering device of the ball mill, after about one week, the 5t steel balls are added again, the continuous operation lasts for 1 year, the ton consumption of the steel ball is reduced by 12%, the treatment capacity of the ball mill is improved by 7%, and the ball blocking phenomenon does not occur.
Example 2
The annual treatment capacity of the ball mill is 30 ten thousand t/a, the ball mill is matched with an automatic ball adding and metering device, the diameter of a steel ball is 50cm, the steel ball with the weight of 5t is added into a ball bin at one time, 7-9 steel balls are automatically added into the ball mill every hour through the automatic ball adding and metering device of the ball mill, after about 10 days, the 5t steel ball is added again, the continuous operation lasts for 1 year, the ton consumption of the steel ball is reduced by 9%, the treatment capacity of the ball mill is improved by 5%, and the ball blocking phenomenon does not occur.
Example 3
The annual treatment capacity of the ball mill is 80 ten thousand t/a, the ball mill is matched with an automatic ball adding and metering device, the diameter of a steel ball is 140cm, the steel ball with the weight of 7t is added into a ball bin at one time, 2-4 steel balls are automatically added into the ball mill by the automatic ball adding and metering device of the ball mill every hour, after about one week, the 7t steel ball is added again, the continuous operation lasts for 1 year, the ton consumption of the steel ball is reduced by 15%, the treatment capacity of the ball mill is improved by 8%, and the ball blocking phenomenon does not occur.
The device for automatically adding and metering the balls of the ball mill can realize automatic and accurate addition of the steel balls of the ball mill, solves the problem of ball clamping of the automatic ball mill, improves the stability and the operating efficiency of the ball mill, reduces the ton consumption of the steel balls, and reduces the labor intensity.
Various corresponding changes and modifications can be made by those skilled in the art according to the above technical solutions and concepts, and all such changes and modifications should be included in the protection scope of the present invention.
Claims (10)
1. An automatic ball feeding and metering device of a ball mill is characterized by comprising a ball bin, a ball poking device, a rotary ball separating device, a fixed ball separating device, a power device, a ball separating power device and a control device; the ball bin is provided with an inner cavity in the long axis direction, the long axis direction of the ball bin has a certain included angle with the horizontal plane, one end of the ball bin, which is positioned at a high position, is provided with a ball adding port, the ball adding port penetrates through the inner cavity, and a steel ball enters the inner cavity from the ball adding port; the bottom of one end of the ball bin, which is positioned at a low position, is provided with a ball outlet, and the ball outlet penetrates through the inner cavity; one end of the transportation channel is fixedly connected with the ball outlet, and the other end of the transportation channel is positioned above the rotary ball distributing device; the ball pulling device comprises ball pulling steel sheets and a rocker, one end of the rocker is connected with a plurality of ball pulling steel sheets in a surrounding mode, and the ball pulling steel sheets are rotatably arranged in the inner cavity and are matched with the inner cavity; the other end of the rocker is mechanically connected with the power device; the rotary ball distributing device is mechanically connected with the ball distributing power device; the rotary ball distribution device is rotatably arranged at the top of the fixed ball distribution device; the fixed ball distributing device is arranged in alignment with a steel ball input port of the ball mill; the control device is electrically connected with the power device and the ball distributing power device respectively.
2. The automatic ball feeding and metering device of the ball mill according to claim 1, characterized in that the rotary ball-separating device comprises a disc body and a plurality of ball-discharging ports, and the height of the disc body is consistent with the average diameter of the steel balls; the lower ball opening is arranged on the disc body and penetrates through the disc body in the height direction of the disc body.
3. The automatic ball adding and metering device of a ball mill according to claim 2, wherein the plurality of lower ball ports are arranged around the center of the disc body, and the diameter of the lower ball ports is larger than the average diameter of the steel balls.
4. The automatic ball feeding and metering device of a ball mill according to claim 2, wherein an arc-shaped groove is arranged at the top of the disc body, the arc-shaped groove is communicated with the plurality of lower ball ports, the groove width of the arc-shaped groove is consistent with the diameter of the lower ball ports, and the depth of the arc-shaped groove is smaller than the average diameter of the steel balls.
5. The automatic ball feeding and metering device of the ball mill according to claim 1, wherein the fixed ball dividing device comprises a ball dividing disc and a ball dividing port, and the ball dividing port is arranged on the ball dividing disc and penetrates through the ball dividing disc in the height direction of the ball dividing disc.
6. The automatic ball adding and metering device of the ball mill according to claim 5, characterized in that the diameter of the ball dividing port is larger than the average diameter of the steel balls; the ball distributing port is aligned to a steel ball input port of the ball mill.
7. The automatic ball adding and metering device of a ball mill according to claim 1, characterized in that the diameter of the transportation channel is slightly larger than the average diameter of the steel balls.
8. The automatic ball feeding and metering device of a ball mill according to claim 1, wherein the ball bin is a cylindrical barrel made of steel-lined rubber.
9. The automatic ball feeding and metering device of a ball mill according to claim 2, wherein the material of the disc body is steel.
10. The automatic ball feeding and metering device of the ball mill as claimed in claim 5, wherein the ball distributing disk is made of steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020474727.4U CN211838232U (en) | 2020-04-03 | 2020-04-03 | Automatic ball adding and metering device of ball mill |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020474727.4U CN211838232U (en) | 2020-04-03 | 2020-04-03 | Automatic ball adding and metering device of ball mill |
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| CN211838232U true CN211838232U (en) | 2020-11-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112337586A (en) * | 2020-11-23 | 2021-02-09 | 嘉善永溢达精密五金有限公司 | Horizontal ball mill convenient for adding balls |
| CN112871717A (en) * | 2021-03-24 | 2021-06-01 | 长春理工大学 | High-precision steel ball diameter sorting device and method |
-
2020
- 2020-04-03 CN CN202020474727.4U patent/CN211838232U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112337586A (en) * | 2020-11-23 | 2021-02-09 | 嘉善永溢达精密五金有限公司 | Horizontal ball mill convenient for adding balls |
| CN112871717A (en) * | 2021-03-24 | 2021-06-01 | 长春理工大学 | High-precision steel ball diameter sorting device and method |
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