CN113877685B - Device and method for automatically arraying and uniformly adding grinding media of ball mill - Google Patents
Device and method for automatically arraying and uniformly adding grinding media of ball mill Download PDFInfo
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- CN113877685B CN113877685B CN202111160119.1A CN202111160119A CN113877685B CN 113877685 B CN113877685 B CN 113877685B CN 202111160119 A CN202111160119 A CN 202111160119A CN 113877685 B CN113877685 B CN 113877685B
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 112
- 238000003860 storage Methods 0.000 claims abstract description 26
- 210000001503 joint Anatomy 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 13
- 230000000903 blocking effect Effects 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 2
- 239000011707 mineral Substances 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 20
- 239000010959 steel Substances 0.000 description 20
- 230000008569 process Effects 0.000 description 7
- 230000001788 irregular Effects 0.000 description 6
- 210000000078 claw Anatomy 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
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- 238000005096 rolling process Methods 0.000 description 1
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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
- B02C17/205—Adding disintegrating members to the tumbling mill
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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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Abstract
The invention discloses a device and a method for automatically arraying and uniformly adding grinding media of a ball mill, belonging to the technical field of mine mineral processing equipment, wherein the technical scheme is as follows: the material pushing device is arranged in the storage bin, the whole-row lifting devices are arranged in the whole-row bin at intervals in a multi-stage mode, and a material guide step is arranged on the side, far away from the feeding side, of each whole-row lifting device; a feeding port communicated with the storage bin is formed in one side of the alignment bin, and the material driving device extends into the alignment bin through the feeding port and can be in butt joint with the primary alignment lifting device; and an adding device is arranged on the other side of the whole row of bins. The invention can promote the whole line of the grinding media, has high material lifting speed, has the function of multi-stage material preparation for the whole line of the grinding media, can be continuously and accurately added according to the requirement, and is suitable for different types of grinding media.
Description
Technical Field
The invention relates to the technical field of mine mineral processing equipment, in particular to a device and a method for automatically arraying and uniformly adding grinding media of a ball mill.
Background
In the process of ore dressing and grinding of a mine, ore grinding media are mainly added into a ball mill for ore grinding operation, the ore grinding media mainly comprise steel balls and steel sections, and the ore grinding media in the ball mill are consumed along with the process of grinding ores, so that the worn ore grinding media need to be supplemented into the ball mill regularly.
At present, ore grinding medium adding equipment is mainly a ball adding machine capable of adding steel balls, the ball adding machine is mainly in a roller type and a chain type and is provided with a ball bin and a ball fishing mechanism, the ball fishing mechanism adopts a simple chain or roller with a fishing claw to fish balls from the bottom or the side surface of the ball storage bin, and the steel balls can be fished out smoothly only when rolling to an appointed ball fishing port, so that only standard steel balls can be added, and the effective addition of irregular steel balls and steel sections cannot be realized.
In order to uniformly add the steel balls, the ball scooping claw needs to grab one steel ball at a time, and due to the irregular arrangement of the steel balls in the bin, the empty scooping phenomenon often occurs, and the steel balls cannot be uniformly and accurately added; after steel balls with various specifications are mixed and added into the ball storage bin, the ball claw can catch a plurality of balls at one time in the ball catching process; and the ball bin is easy to block and block the ball, which finally causes the problems of discontinuous ball adding, inaccurate metering, high equipment failure rate and the like.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a device and a method for automatically arraying and uniformly adding grinding media of a ball mill, which can be used for arraying and lifting the grinding media, have a high material lifting speed, have a multi-stage material preparation function on the arrayed grinding media, can be continuously and accurately added according to requirements, and are suitable for different types of grinding media.
In order to achieve the purpose, the invention is realized by the following technical scheme:
in a first aspect, the embodiment of the invention provides a device for automatically arraying and uniformly adding grinding media of a ball mill, which comprises a storage bin and an arraying bin, wherein the storage bin is internally provided with a material driving device, the arraying bin is internally provided with a plurality of rows of material lifting devices arranged at intervals, and the side, far away from the feeding side, of each row of material lifting device is provided with a material guide step;
a feeding port communicated with the storage bin is formed in one side of the alignment bin, and the material driving device extends into the alignment bin through the feeding port and can be in butt joint with the primary alignment lifting device; and an adding device is arranged on the other side of the whole row of bins.
As a further implementation mode, the installation heights of the material guide steps along the discharging direction are sequentially increased progressively to form a step arrangement.
As a further implementation mode, the material guiding step is provided with a material lifting surface and a material guiding surface which are inclined at a set angle, and the material guiding surface is vertically fixed on one side of the material lifting surface, which is far away from the material inlet.
As a further implementation mode, the whole-row lifting device comprises a lifting plate, the working surface of the lifting plate is parallel to the material guide surface, and the lifting plate is connected with a lifting power source.
As a further implementation, the initial position of the lifting plate corresponds to an end of the material guiding step away from the material guiding surface.
As a further implementation mode, the material driving device comprises a material driving plate and an adjusting mechanism arranged at the bottom of the material driving plate.
As a further implementation mode, the bottom of one end of the material driving plate is rotatably connected with the storage bin, the other end of the material driving plate enters the arraying bin from the feeding port, and the material driving plate and the bottom of the storage bin are located on the same plane.
As a further implementation mode, a chute is arranged outside the whole-column bin, and a conveying device is arranged below the chute.
As a further implementation, the adding device is located at the discharge end of the conveying device.
In a second aspect, the embodiment of the invention also provides a method for automatically arraying and uniformly adding the grinding media of the ball mill, by adopting the device, the grinding media in the storage bin enter the arraying bin through the material driving device, the first-stage arraying and lifting device is lifted to the working surface of the first-stage arraying and lifting device to be coplanar with the first-stage guiding step, and the grinding media enter the second-stage arraying and lifting device;
lifting the grinding media to the position of a chute corresponding to the whole row of bins by the step-by-step lifting of the whole row of material lifting devices, and enabling the grinding media to enter a conveying device through the chute; the ore grinding medium is conveyed to the discharge end by the conveying device and is knocked down to the ball mill feeding port one by the adding device.
The invention has the following beneficial effects:
(1) According to the invention, through the multi-stage arraying and material lifting device, more material is loaded at one time, the arrayed grinding media are sequentially arranged on the arraying and material lifting device and the conveying device, and the grinding media are conveyed forwards step by step according to the adding progress of the adding device, so that the continuity, uniformity and accuracy of the replenishing process of the grinding media are ensured.
(2) The whole-row material lifting device comprises a lifting plate and a lifting power source, wherein the lifting plate is arranged according to the diameter interval of ore grinding media, so that the transverse whole-row lifting and ordered conveying of the ore grinding media are ensured; by adopting the up-and-down lifting mode with the long section, the grinding medium in the whole bin can be disturbed by each time of material lifting, the blocking state of the grinding medium in the whole bin is broken, and the problems of ball blocking and ball blocking of the traditional ball adding machine at the ball fishing port are solved.
(3) According to the invention, the material guide steps are obliquely arranged, the lifting plate is parallel to the material guide surface of the material guide steps, so that ore grinding media can smoothly enter the lower-level material guide steps from the material guide steps through the lifting plate, and the irregular ore grinding media are prevented from being retained on the surface.
(4) The material driving device comprises the material driving plate and the adjusting mechanism, the inclination angle of the material driving plate can be adjusted through the adjusting mechanism, the blocking state of the grinding media in the storage bin can be broken, the grinding media are continuously fed to the whole row of bins, the continuity of the replenishing process of the grinding media is ensured, and the defect that the blocking state of the traditional ball feeder needs manual intervention is overcome.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic block diagram of the present invention according to one or more embodiments;
the device comprises a storage bin 1, a storage bin 2, an alignment bin 3, a material driving plate 4, an alignment material lifting device 5, a material guiding step 6, a lifting power source 7, an adjusting mechanism 8, a chute 9, a conveying device 10, an adding device 11, a control system 12 and a lifting plate.
Detailed Description
The first embodiment is as follows:
the embodiment provides a device for automatically arraying and uniformly adding grinding media of a ball mill, which comprises a storage bin 1, an arraying bin 2, a conveying device 9 and an adding device 10, wherein a material driving device is arranged in the storage bin 1, and an arraying and material lifting device 4 arranged at intervals in multiple stages is arranged in the arraying bin 2; the storage bin 1 is communicated with the whole row of bins 2 through a feeding port, and the conveying device 9 and the adding device 10 are arranged on the outer side of the whole row of bins 2.
The feeding port is an opening with a certain height and width, and is formed along the side walls of the storage bin 1 and the whole row of bins 2.
Specifically, the material driving device comprises a material driving plate 3 and an adjusting mechanism 7, one end of the material driving plate 3 is rotatably connected (for example, hinged) with the inner wall of the storage bin 1, and the other end of the material driving plate 3 extends into the whole-row bin 2 from the material inlet; the adjusting mechanism 7 is connected to one end, close to the feeding port, of the bottom of the material driving plate 3, the angle of the material driving plate 3 is adjusted through the adjusting mechanism 7, the blocking state of the ore grinding media in the bin can be broken, the ore grinding media are continuously fed to the whole row of bins, the continuity of the replenishing process of the ore grinding media is guaranteed, and the defect that the blocking state of a traditional ball feeder needs manual intervention is overcome.
In this embodiment, the adjusting mechanism 7 adopts a hydraulic rod, and the extension of the hydraulic rod enables one end of the material driving plate 3, which is positioned in the array bin 2, to be lifted so as to be attached to the top of the material inlet, which is equivalent to the material inlet being closed, so that the grinding medium cannot enter the array bin 2 from the storage bin 1; one end of the material expelling plate 3, which is positioned in the array bin 2, is lowered to be in butt joint with the first-level array lifting device 4 through retraction of the hydraulic rod, and the grinding medium smoothly enters the array bin 2 from the storage bin 1.
Further, the discharge hole of the whole row of bins 2 is provided with a chute 8, the chute 8 is arranged on the outer side of the whole row of bins 2, and the mounting position of the chute 8 is higher than the position of the feed hole. The outlet end of the chute 8 is downwardly inclined so that the grinding media can smoothly enter the conveying device 9.
The conveying device 9 is a conveyor belt mechanism, and the conveying direction of the conveyor belt mechanism is consistent with the arrangement direction of the ore grinding media; the adding device 10 is positioned at the discharging end of the conveying device 9, and the adding device 10 drops the ore grinding media to the feeding port of the ball mill one by one according to the command of the control system 11.
The control system 11 can automatically calculate the real-time demand of the grinding medium according to the set production parameters, cooperate with automatic operation of each link, monitor the operation state of each link, give a fault alarm and automatically generate a report on the addition.
Furthermore, the arrangement lifting device 4 is provided with multiple stages, a first-stage arrangement lifting device is arranged close to the feeding port, a last-stage arrangement lifting device is arranged close to the chute 8, and the initial position heights of each stage of arrangement lifting device 4 are different. And a material guide step 5 is arranged on one side of each stage of the whole-row material lifting device 4 far away from the material inlet, the material guide step 5 is arranged in a space between adjacent stages of the whole-row material lifting devices 4, and the material guide step 5 of the last stage of the whole-row material lifting device is butted with a chute 8.
The installation heights of the material guide steps 5 corresponding to the material lifting devices 4 in all levels are different, and the material guide steps 5 in all levels are distributed in a step shape.
Further, the alignment lifting device 4 comprises a lifting plate 12, and the lifting plate 12 is connected with the lifting power source 6. The lifting power source 6 is a linear driving source, such as a hydraulic rod, an air cylinder, an electric cylinder, or the like.
The cross section of the material guide step 5 is in an inverted L shape and is installed in an inclined mode at a certain angle. In this embodiment, the material guiding step 5 is inclined towards the discharging side of the aligning bin 2, and the included angle between the material guiding step and the vertical direction along the counterclockwise direction is an acute angle, so that the ore grinding medium can be guided to the next-stage aligning material lifting device 4.
Furthermore, the material guiding step is provided with a material lifting surface and a material guiding surface which are perpendicular to each other, and the material lifting surface is a guide surface in the lifting process of the whole row of material lifting devices 4; the initial position of the lifting plate 12 is at the end of the lifting surface (the end away from the material guiding surface), and the working surface of the lifting plate 12 is parallel to the material guiding surface. Under the action of the lifting power source 6, the lifting plate 12 can move along the material lifting surface, and when the lifting plate 12 is coplanar with the material guide surface, the grinding medium enters the next-stage whole-row material lifting device 4 through the material guide surface.
In order to ensure that the grinding media on the lifting plate 12 are smoothly lifted and simultaneously avoid scattering of the rest grinding media, the lifting plate 12 is configured to have an inverted L-shaped or gate-shaped cross section. And the working face of the lifting plate 12 has a certain length, and the lifting mode with a long section is adopted, so that the grinding medium in the whole bin 2 can be disturbed by each lifting, the blocking state of the grinding medium in the whole bin is broken, and the problems of ball blocking and ball blocking of the traditional ball adding machine at a ball fishing port are solved.
The width of the working face can be set according to the diameter interval of the ore grinding media, so that the ore grinding media are transversely lifted in an aligned mode and conveyed orderly, and the problem that irregular steel balls, steel sections and steel bars cannot be smoothly added in a traditional ball adding machine is solved. The lifting plate 12 is matched with the material guide step 5, so that the device is not only suitable for regular steel balls, but also suitable for irregular steel balls and steel sections. The problem that the traditional ball adding machine cannot smoothly add rough and irregular cast steel balls or steel sections is solved; the problems that the traditional ball adding machine drags or drags more balls, blocks and blocks balls when adding steel balls are solved, and the ball adding is discontinuous and inaccurate.
Example two:
the embodiment provides a method for automatically arraying and uniformly adding grinding media of a ball mill, which comprises the steps that by adopting the device in the first embodiment, the grinding media in a storage bin enter an arraying bin through a material driving device, a lifting plate of a first-stage arraying and lifting device is lifted to a working surface of the lifting plate to be coplanar with a material guide surface of a first-stage material guide step, and the grinding media enter a second-stage arraying and lifting device; the grinding media accumulated in the whole row of bins 2 are arranged into a straight line shape by all levels of whole row material lifting devices and are lifted to the discharging ends of the whole row of bins 2 step by means of the material guiding steps 5.
And then, the grinding media fall to the conveying device through the chutes in an arrayed manner, the conveying device conveys the grinding media to the adding device at the tail end, the adding device drops the grinding media to the feed inlet of the ball mill one by one according to the command of the control system, and the conveying device can automatically operate to supplement the next grinding media at the rear end when one grinding media is dropped. The control system automatically matches with the real-time grinding consumption of the grinding medium ground by the ball mill according to the set production parameters, so that automatic continuous, uniform and accurate addition is realized.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (7)
1. A device for automatically arraying and uniformly adding grinding media of a ball mill is characterized by comprising a storage bin and an arraying bin, wherein a material driving device is arranged in the storage bin, multiple ranks of material lifting devices are arranged in the arraying bin at intervals, and a material guide step is arranged on the side, far away from the feeding side, of each arraying material lifting device;
a feeding port communicated with the storage bin is formed in one side of the alignment bin, and the material driving device extends into the alignment bin through the feeding port and can be in butt joint with the primary alignment lifting device; the other side of the whole row of bins is provided with an adding device;
the installation heights of the material guide steps along the discharging direction are sequentially increased progressively to form a step arrangement;
the material guide step is provided with a material lifting surface and a material guide surface which are inclined at a set angle, and the material guide surface is vertically fixed on one side of the material lifting surface, which is far away from the material inlet;
the whole-row material lifting device comprises a lifting plate, the working surface of the lifting plate is parallel to the material guide surface, and the lifting plate is connected with a lifting power source;
the working surface of the lifting plate has a certain length, and the lifting plate adopts a long-section up-down lifting mode, so that the ore grinding media in the whole row of bins can be disturbed by each lifting, and the blocking state of the ore grinding media in the whole row of bins is broken.
2. The apparatus of claim 1, wherein the initial position of the lifting plate corresponds to an end of the guide step away from the guide surface.
3. The device for automatically aligning and uniformly adding the grinding media of the ball mill according to claim 1, wherein the material driving device comprises a material driving plate and an adjusting mechanism arranged at the bottom of the material driving plate.
4. The device for automatically arraying and uniformly adding the grinding media of the ball mill according to claim 3, wherein the bottom of one end of the material expelling plate is rotatably connected with the storage bin, and the other end of the material expelling plate enters the arraying bin from the feeding port.
5. The device for automatically arraying and uniformly adding the grinding media of the ball mill according to claim 1, wherein a chute is installed outside the arraying bin, and a conveying device is arranged below the chute.
6. The apparatus for automatically aligning and uniformly adding grinding media of a ball mill according to claim 5, wherein the adding means is located at the discharge end of the conveyor.
7. A method for automatically arraying and uniformly adding grinding media of a ball mill is characterized in that the device as claimed in claim 6 is adopted, the grinding media in a storage bin enter an arraying bin through a material driving device, a first-stage arraying and lifting device is lifted to a working surface to be coplanar with a first-stage material guiding step, and the grinding media enter a second-stage arraying and lifting device;
lifting the grinding media to the chute position corresponding to the whole row of bins by the step-by-step lifting of the whole row of material lifting devices, and enabling the grinding media to enter the conveying device through the chute; the ore grinding medium is conveyed to the discharge end by the conveying device and is gradually knocked down to the feeding port of the ball mill by the adding device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111160119.1A CN113877685B (en) | 2021-09-30 | 2021-09-30 | Device and method for automatically arraying and uniformly adding grinding media of ball mill |
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| CN202111160119.1A CN113877685B (en) | 2021-09-30 | 2021-09-30 | Device and method for automatically arraying and uniformly adding grinding media of ball mill |
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| CN113877685A CN113877685A (en) | 2022-01-04 |
| CN113877685B true CN113877685B (en) | 2022-10-14 |
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| CN117380081B (en) * | 2023-12-12 | 2024-03-08 | 山东思科生物科技有限公司 | Flow detection device and method for seaweed suspension fertilizer production |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE3629421C1 (en) * | 1986-08-29 | 1987-12-17 | Netzsch Maschinenfabrik | Method and device for feeding grinding media |
| CN2370955Y (en) * | 1999-04-01 | 2000-03-29 | 冶金工业部马鞍山矿山研究院 | Numerically controlled automatic ball feeder |
| JP4469468B2 (en) * | 2000-06-30 | 2010-05-26 | シルバー電研株式会社 | Ball introduction stop mechanism of pachinko ball lifting device |
| US6631828B1 (en) * | 2002-01-23 | 2003-10-14 | Trisha Reardon | Golf ball and tee placement unit |
| CN101423146B (en) * | 2008-11-29 | 2011-05-25 | 浙江工业大学 | Long tail clip handle lining-up machine |
| CN201912971U (en) * | 2010-12-13 | 2011-08-03 | 洛阳栾川钼业集团股份有限公司 | Automatic ball feeder of rotary drum |
| CN203494584U (en) * | 2013-09-26 | 2014-03-26 | 崔万钧 | Intelligent ball feeder |
| CN204017937U (en) * | 2014-07-17 | 2014-12-17 | 山东工大中能科技有限公司 | A kind of ball feeding device of ball grinder |
| CN206064539U (en) * | 2016-09-14 | 2017-04-05 | 山东黄金矿业股份有限公司新城金矿 | Magnetic-type automatic marble-feeder |
| CN108745516A (en) * | 2018-07-26 | 2018-11-06 | 山东工大中能科技有限公司 | A kind of marble feeding device pinecone device and pinecone method |
| CN110237907B (en) * | 2019-07-19 | 2020-12-15 | 福建大唐国际宁德发电有限责任公司 | Automatic ball loading device of ball mill |
| CN211586874U (en) * | 2019-12-31 | 2020-09-29 | 云南驰宏锌锗股份有限公司 | Automatic continuous adding device for steel balls of ball mill |
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Effective date of registration: 20240122 Address after: Room 1101-F, Building 4, Yinhe Building, No. 2008 Xinluo Street, Jinan Area, China (Shandong) Pilot Free Trade Zone, Jinan City, Shandong Province, 250000 Patentee after: Shandong Maige Intelligent Technology Co.,Ltd. Country or region after: China Address before: 024000 building 1a, Wanda Plaza block a, north of xilamuron street and east of Baoshan Road, Hongshan District, Chifeng City, Inner Mongolia Autonomous Region 01119 Patentee before: Inner Mongolia Gude Technology Co.,Ltd. Country or region before: China |
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