CN120586987B - Device and method for grinding and processing barite ore - Google Patents
Device and method for grinding and processing barite oreInfo
- Publication number
- CN120586987B CN120586987B CN202511105765.6A CN202511105765A CN120586987B CN 120586987 B CN120586987 B CN 120586987B CN 202511105765 A CN202511105765 A CN 202511105765A CN 120586987 B CN120586987 B CN 120586987B
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- powder
- cylinder
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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
- B02C21/00—Disintegrating plant with or without drying of the material
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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
- B02C17/002—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 rotary cutting or beating elements
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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
- B02C17/183—Feeding or discharging devices
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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
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
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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
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
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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
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/10—Crushing or disintegrating by roller mills with a roller co-operating with a stationary member
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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
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/30—Shape or construction of rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
- B08B1/165—Scrapers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
- B08B1/36—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members rotating about an axis orthogonal to the surface
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
本发明涉及重晶石矿加工技术领域，且公开了一种重晶石矿磨粉加工装置及方法，包括筛分筒及其上方的磨粉机构，所述筛分筒与磨粉机构之间设置有固定架，所述筛分筒内壁转动连接有筛分盘，且筛分筒底部设置有筛分旋转机构，所述筛分旋转机构能够使筛分盘高速旋转，所述筛分盘上方两侧均设置有倾斜的下料筒，且下料筒一端均与筛分筒内壁固定连接，所述下料筒另一端均固定连接有倾斜的研磨筒。本发明能够将重晶石矿研磨成粉，并在筛分过程中保持粉末动态运动，有效防止粉末聚集，显著提升筛分效率，同时能够将筛分出的不合格粉末自动返回进行二次研磨，形成闭路循环，大幅提高了整体工作效率。
The present invention relates to the field of barite ore processing technology, and discloses a kind of barite ore grinding processing device and method, including screening drum and the grinding mechanism above it, a fixed frame is provided between the screening drum and the grinding mechanism, the screening drum inwall is rotationally connected with screening disc, and screening drum bottom is provided with screening rotary mechanism, the screening rotary mechanism can make screening disc rotate at a high speed, both sides above the screening disc are provided with tilted unloading barrel, and unloading barrel one end is fixedly connected with screening drum inwall, and the unloading barrel other end is fixedly connected with tilted grinding barrel. The present invention can be ground into powder by barite ore, and keeps powder dynamic motion during screening, effectively prevents powder from gathering, significantly improves screening efficiency, and simultaneously the unqualified powder sieved out can be automatically returned for secondary grinding, forming closed circuit circulation, greatly improving overall work efficiency.
Description
Technical Field
The invention relates to the technical field of processing of heavy-rock ores, in particular to a grinding processing device and method for heavy-rock ores.
Background
Barite is the most common mineral of barium, its ingredient is barium sulfate, produced in low temperature liquid ore vein, such as quartz-heavy crystal matrix, fluorite-barite vein, etc., often with galena, sphalerite, chalcopyrite, etc., belongs to non-renewable resource, when in use, it is necessary to grind the barite ore into powder.
The Chinese patent with the publication number of CN222550994U discloses a grinding and screening device for barite ore, which comprises a screening box, wherein an inclined screen is arranged in the middle of the inside of the screening box, vertical plates are arranged on two sides of the screen, a sliding groove is formed in the middle of the vertical plates, a screw rod is inserted into the sliding groove, one end of the screw rod is inserted into a screw rod motor on the outer side of the screening box, a sliding block is arranged on the screw rod, and when the device is used for screening, unqualified barite powder and partially qualified barite powder can be mixed together and fall into a first storage box, so that the barite powder needs to be screened for multiple times, and the working efficiency is seriously affected.
In view of the above, the present invention provides a device and a method for grinding heavy-duty ores to solve the above-mentioned problems of the prior art.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a device and a method for grinding and processing heavy-rock ore.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a heavy crystal ore grinding processingequipment, includes screening section of thick bamboo and the milling mechanism of top, be provided with the mount between screening section of thick bamboo and the milling mechanism, screening section of thick bamboo inner wall rotates and is connected with screening dish, and screening section of thick bamboo bottom is provided with screening rotary mechanism, screening rotary mechanism can make screening dish high-speed rotation, screening dish top both sides all are provided with the unloading section of thick bamboo of slope, and unloading section of thick bamboo one end all with screening section of thick bamboo inner wall fixed connection, the grinding section of thick bamboo of the equal fixedly connected with slope of unloading section of thick bamboo other end, and the feed inlet has all been seted up at unloading section of thick bamboo top, feed inlet both ends inner wall all sets up to the inclined plane, and the feed inlet top all is provided with spiral scraper bowl, fixedly connected with connecting block between spiral scraper bowl and the unloading section of thick bamboo, spiral scraper bowl bottom is hugged closely with screening dish bottom inner wall, the inside toper chamber that is provided with of unloading section of thick bamboo, and toper chamber wide port towards grinding section of thick bamboo and communicate with the grinding section of thick bamboo, the discharge gate has been seted up to grinding section of thick bamboo bottom outer wall of thick bamboo whereabouts end.
Further, grinding mechanism includes the crocus jar, crocus jar top one side outer wall is provided with the feeder hopper, and crocus jar top rotation is connected with drive shaft one, drive shaft one top is provided with crocus driving motor, and a bottom fixedly connected with crocus body of drive shaft, interval between crocus body outer wall and the crocus jar inner wall reduces from last to down gradually, and crocus body outer wall and crocus jar equal fixedly connected with crocus tooth one, crocus jar bottom is provided with the blowing pipe, and the blowing pipe runs through screening section of thick bamboo top and extends to in the screening section of thick bamboo is inside.
Further, screening rotary mechanism includes drive shaft two, drive shaft two rotates to be connected in screening section of thick bamboo bottom, and drive shaft two bottom is provided with screening driving motor, screening dish fixed connection is in drive shaft two tops.
Further, the top of the screening cylinder is rotationally connected with a driving shaft III, the three top ends of the driving shaft are provided with a secondary grinding driving motor, the three bottom ends of the driving shaft are fixedly connected with a bevel gear I, a protective cylinder is arranged on the outer cover of the driving shaft III, the outer walls of the two sides of the protective cylinder are rotationally connected with a driving shaft IV, one end of the driving shaft IV is fixedly connected with a bevel gear II, and the bevel gear II is meshed with the bevel gear I.
Further, the grinding cylinder is internally provided with a conical grinding table, the narrow port of the conical grinding table faces the blanking cylinder, the inner wall of the grinding cylinder and the outer wall of the conical grinding table are fixedly connected with a plurality of second grinding teeth, and the four other ends of the driving shaft penetrate through the grinding cylinder and are fixedly connected with the outer wall of one side of the conical grinding table.
Further, the rotary column is rotationally connected between the outer wall of the other side of the conical grinding table and the inner wall of the conical cavity, the outer wall of the rotary column is fixedly connected with the spiral auger blade, and the spiral auger blade is attached to the inner wall of the conical cavity.
Further, two outer walls of drive shaft rotate and are connected with toper unloading platform, and toper unloading platform is in screening dish below, toper unloading platform below outer wall and screening section of thick bamboo inside fixed connection, and toper unloading platform bottom is provided with the discharging pipe, the discharging pipe bottom runs through screening section of thick bamboo bottom, and is provided with the arc track directly over the discharging pipe, arc track fixed connection is on screening section of thick bamboo bottom inner wall.
Further, two inclined scrapers are symmetrically and fixedly connected to the outer wall of the driving shaft, and are respectively attached to the upper surface of the conical blanking table, and horizontal scrapers attached to the bottom of the conical blanking table are respectively and fixedly connected to the bottom ends of the inclined scrapers.
Further, the horizontal scraper blade bottom has all been seted up logical groove, and logical inslot wall sliding connection has a folding plate, folding plate one end is hugged closely with screening section of thick bamboo inner wall, and fixedly connected with coupling spring between folding plate and the logical inslot wall, folding plate top outer wall fixedly connected with poking rod.
The application method of the device for grinding and processing the heavy-crystal ore comprises the following specific steps:
s1, primary grinding and centrifugal screening, namely grinding the heavy-crystal stone ore into powder by a grinding mechanism, then dropping the powder into a screening disc rotating at a high speed, gathering the powder to the inner wall of the screening disc under the action of centrifugal force, and simultaneously rotating a conical grinding table in a grinding cylinder;
S2, powder circulation conveying, namely shoveling powder gathered on the inner wall of the screening disc into an inclined blanking cylinder by a spiral bucket, driving spiral auger blades by a conical grinding table through a rotating column, and conveying the powder in a conical cavity to the grinding cylinder;
s3, secondary grinding and screening, namely, after powder enters the grinding cylinder, the powder falls into a gap between the outer wall of the conical grinding table and the inner wall of the grinding cylinder, secondary grinding is carried out through the rotating grinding teeth II, and the ground powder returns to the screening disc through the discharge hole to be screened again;
And S4, collecting qualified powder, namely enabling the screened qualified powder to fall into a conical blanking table, guiding the powder cooperatively by a rotary inclined scraper, a horizontal scraper and a folding plate, and finally discharging the powder through a discharging pipe.
The beneficial effects of the invention are as follows:
According to the invention, the heavy-crystal stone ore can be ground into powder, the powder is kept to dynamically move in the screening process, the powder aggregation is effectively prevented, the screening efficiency is remarkably improved, and meanwhile, the screened unqualified powder can be automatically returned to carry out secondary grinding, so that closed-circuit circulation is formed, and the overall working efficiency is greatly improved.
According to the invention, the powder on the surface of the conical blanking table can be scraped through the horizontal scraping plate and the inclined scraping plate, and meanwhile, the powder accumulated on the bending plate and bent by the bending plate can be fully discharged through the discharging pipe through the matching of the bending plate and the arc-shaped track, so that the residue is avoided.
Drawings
FIG. 1 is a schematic diagram of a device for grinding heavy-duty ores;
FIG. 2 is a schematic sectional view of a grinding tank of a device for grinding heavy-duty ores;
FIG. 3 is a schematic cross-sectional view of a sieving barrel of a device for grinding heavy-duty ores;
FIG. 4 is a schematic diagram of the structure of a sieving plate of a device for grinding heavy-duty ores;
FIG. 5 is a schematic cross-sectional view of a grinding drum, a blanking drum and a conical grinding table of a heavy-duty ore grinding device;
FIG. 6 is a schematic sectional view of a protective cylinder of a device for grinding heavy-duty ores;
FIG. 7 is a schematic view showing the structure of a conical discharging table of a device for grinding and processing heavy-duty ores;
FIG. 8 is a schematic view showing the bottom structure of a horizontal scraper of a device for grinding heavy-duty ores;
fig. 9 is a schematic diagram showing the change of state of a folded plate of a device for grinding heavy-rock ore.
The device comprises a screening cylinder, a 2, a fixing frame, a 3, a grinding tank, a 4, a feeding hopper, a 5, a grinding driving motor, a 6, a secondary grinding driving motor, a 7, a screening driving motor, a 8, a first grinding tooth, a 9, a grinding body, a 10, a first driving shaft, a 11, a discharging pipe, a 12, a conical discharging platform, a 13, a second driving shaft, a 14, a grinding cylinder, a 15, a protection cylinder, a 16, a discharging cylinder, a 17, a screening disc, a 18, an arc track, a 19, a discharging pipe, a 20, a spiral bucket, a 21, a connecting block, a 22, a third driving shaft, a 23, a feeding hole, a 24, a spiral auger blade, a 25, a rotating column, a 26, a conical cavity, a 27, a conical grinding platform, a 28, a second grinding tooth, a 29, a fourth driving shaft, a 30, a discharging hole, a 31, a bevel gear, a 32, a bevel gear, a 33, a toggle rod, a 34, a folded plate, a 35, a horizontal scraper, a 36, an inclined scraper, a 37, a connecting spring and a 38.
Detailed Description
The technical scheme of the invention is further described in detail below with reference to the specific embodiments.
Referring to fig. 1-6, a grinding processing device for heavy-duty ores comprises a screening cylinder 1 and a grinding mechanism above the screening cylinder 1, wherein a fixing frame 2 is arranged between the screening cylinder 1 and the grinding mechanism, a screening disc 17 is rotatably connected to the inner wall of the screening cylinder 1, a screening rotating mechanism is arranged at the bottom of the screening cylinder 1, the screening rotating mechanism can enable the screening disc 17 to rotate at high speed, inclined blanking cylinders 16 are arranged on two sides above the screening disc 17, one ends of the blanking cylinders 16 are fixedly connected with the inner wall of the screening cylinder 1, inclined grinding cylinders 14 are fixedly connected to the other ends of the blanking cylinders 16, a feed inlet 23 is formed in the top of the blanking cylinders 16, inclined surfaces are formed in the inner walls at two ends of the feed inlet 23, spiral scoops 20 are arranged above the feed inlet 23, connecting blocks 21 are fixedly connected between the spiral scoops 20 and the blanking cylinders 16, the bottom ends of the spiral scoops 20 are tightly attached to the inner wall at the bottom of the screening disc 17, conical cavities 26 are arranged inside the blanking cylinders 16, and the wide port of the conical cavity 26 faces the grinding cylinder 14 and is communicated with the grinding cylinder 14, the outer wall of the bottom of the dropping end of the grinding cylinder 14 is provided with a discharge port 30, the grinding mechanism grinds the barite ore, meanwhile, the screening rotary mechanism rotates the screening disc 17 at high speed, the powder processed by the grinding mechanism falls into the screening disc 17 rotating at high speed, the screening disc 17 rotating at high speed generates centrifugal force, the powder in the screening disc 17 moves towards the inner wall of the screening disc 17, so that part of qualified powder can be screened out, unqualified powder and residual qualified powder are gathered at the inner wall of the screening disc 17, the bottom end of the spiral bucket 20 contacts with the outer peripheral inner wall of the bottom of the screening disc 17, so that when the screening disc 17 rotates at high speed, the spiral bucket 20 scoops up the qualified and unqualified powder gathered at the inner wall of the screening disc 17 together, and along with the more and more powder that scoops up, thereby can promote the upward movement of the powder in the spiral scraper bowl 20, finally get into the toper chamber 26 of feed cylinder 16 through feed inlet 23, because of toper chamber 26 wide port orientation grinding vessel 14 and with grinding vessel 14 intercommunication, thereby the powder can get into in the grinding vessel 14 of slope under the effect of gravity, finally drop in screening dish 17 central area through the discharge gate 30 of grinding vessel 14 drop end, then under the effect of centrifugal force, make the powder gather again in screening dish 17 inner wall department, thereby keep powder dynamic motion in screening process, effectively prevent powder gathering, show the efficiency of sieving that promotes.
As still further proposal in the invention, the grinding mechanism comprises a grinding tank 3, a feed hopper 4 is arranged on the outer wall of one side above the grinding tank 3, a driving shaft 10 is rotatably connected to the top of the grinding tank 3, a grinding driving motor 5 is arranged at the top end of the driving shaft 10, a grinding body 9 is fixedly connected to the bottom end of the driving shaft 10, the distance between the outer wall of the grinding body 9 and the inner wall of the grinding tank 3 is gradually reduced from top to bottom, a plurality of grinding teeth 8 are fixedly connected to the outer wall of the grinding body 9 and the inner wall of the grinding tank 3, a discharge pipe 11 is arranged at the bottom end of the grinding tank 3, the discharge pipe 11 penetrates through the top of the sieving cylinder 1 and extends into the interior of the sieving cylinder 1, the grinding driving motor 5 rotates the grinding body 9 with the plurality of grinding teeth 8 on the outer wall thereof through the driving shaft 10, then heavy rock ore is thrown into the grinding tank 3 through the feed hopper 4, and then enters into a gap between the outer wall of the grinding body 9 and the inner wall of the grinding tank 3 under the action of gravity, and as the distance between the outer wall of the grinding body 9 and the inner wall of the grinding tank 3 is gradually reduced from top to bottom, thus the heavy rock ore in the gap is ground into the grinding teeth 8 and then passes through the rotary sieving plate 17, and the powder is sieved 17 and is sieved by the rotary sieving plate 17.
As a still further proposal in the invention, the screening rotary mechanism comprises a second driving shaft 13, the second driving shaft 13 is rotatably connected with the bottom of the screening cylinder 1, the bottom end of the second driving shaft 13 is provided with a screening driving motor 7, the screening disc 17 is fixedly connected with the top end of the second driving shaft 13, and the screening driving motor 7 rotates the screening disc 17 at a high speed through the second driving shaft 13, thereby screening the powder in the screening disc 17.
As a still further scheme in the invention, the top of the screening barrel 1 is rotatably connected with a driving shaft III 22, the top end of the driving shaft III 22 is provided with a secondary grinding driving motor 6, the bottom end of the driving shaft III 22 is fixedly connected with a bevel gear I31, the outside of the driving shaft III 22 is covered with a protection barrel 15, the outer walls of two sides of the protection barrel 15 are rotatably connected with a driving shaft IV 29, one end of the driving shaft IV 29 is fixedly connected with a bevel gear II 32, the bevel gear II 32 is meshed with the bevel gear I31, the secondary grinding driving motor 6 rotates the bevel gear I31 through the driving shaft III 22, and the bevel gears II 32 on the two driving shafts IV 29 are meshed with the bevel gears I31, so that the driving shaft IV 29 can rotate through the meshing transmission of the bevel gears II 32 and the bevel gears I31.
As a still further scheme in the invention, a conical grinding table 27 is arranged in the grinding cylinder 14, the narrow port of the conical grinding table 27 faces the lower charging cylinder 16, the inner wall of the grinding cylinder 14 and the outer wall of the conical grinding table 27 are fixedly connected with a plurality of second grinding teeth 28, the other end of a driving shaft IV 29 penetrates through the grinding cylinder 14 and is fixedly connected with the outer wall of one side of the conical grinding table 27, powder entering the grinding cylinder 14 is in a gap between the conical grinding table 27 and the grinding cylinder 14, the driving shaft IV 29 can enable the conical grinding table 27 to rotate, and the second grinding teeth 28 can grind the unqualified powder for the second time because the unqualified powder is contained in the powder, so that the unqualified powder meets the standard.
As a still further scheme in the invention, a rotary column 25 is rotationally connected between the outer wall of the other side of the conical grinding table 27 and the inner wall of the conical cavity 26, the outer wall of the rotary column 25 is fixedly connected with a spiral auger blade 24, the spiral auger blade 24 is attached to the inner wall of the conical cavity 26, the spiral auger blade 24 is synchronously rotated by the rotary column 25 through the rotary conical grinding table 27, and the spiral auger blade 24 is attached to the inner wall of the conical cavity 26, so that powder in the conical cavity 26 can be continuously input into the grinding cylinder 14, and the phenomenon that the powder cannot enter the grinding cylinder 14 due to being blocked is avoided.
Working principle: the grinding drive motor 5 rotates the grinding body 9 with the plurality of grinding teeth 8 on the outer wall of the grinding body through the first driving shaft 10, then the heavy-crystal ore is thrown into the grinding tank 3 through the feeding hopper 4, then enters into a gap between the outer wall of the grinding body 9 and the inner wall of the grinding tank 3 under the action of gravity, the heavy-crystal ore in the gap is ground into powder by the grinding teeth 8 as the distance between the outer wall of the grinding body 9 and the inner wall of the grinding tank 3 gradually decreases from top to bottom, then the powder enters into the screening disc 17 through the discharging pipe 11, meanwhile, the screening drive motor 7 rotates the screening disc 17 at a high speed through the second driving shaft 13, so as to screen the powder in the screening disc 17, the ground powder falls into the screening disc 17 rotating at a high speed, the screening disc 17 rotating at a high speed generates centrifugal force, so that the powder in the screening disc 17 moves to the inner wall of the screening disc 17, so that part of the acceptable powder is screened out, the unacceptable powder and the rest of the acceptable powder are collected at the inner wall of the screening disc 17, the bottom end of the spiral bucket 20 is contacted with the outer peripheral inner wall of the bottom of the screening disc 17, and when the screening disc 17 rotates at high speed, the spiral bucket 20 scoops up the acceptable powder and the unacceptable powder collected at the inner wall of the screening disc 17 together, and as the scooped powder is increased, the powder in the spiral bucket 20 can be pushed to move upwards, finally, the powder enters the conical cavity 26 of the blanking cylinder 16 through the feeding hole 23, and is communicated with the grinding cylinder 14 because the wide port of the conical cavity 26 faces the grinding cylinder 14, so that the powder enters the inclined grinding cylinder 14 under the action of gravity, finally, the powder falls into the central area of the screening disc 17 through the discharging hole 30 at the sagging end of the grinding cylinder 14, and then under the action of centrifugal force, meanwhile, in the process, the secondary grinding driving motor 6 rotates the bevel gears I31 through the driving shafts III 22, the bevel gears II 32 on the two driving shafts IV 29 are meshed with the bevel gears I31, the driving shafts IV 29 can rotate through the meshing transmission of the bevel gears II 32 and the bevel gears I31, the driving shafts IV 29 can rotate the conical grinding table 27 in the grinding cylinder 14, the rotating conical grinding table 27 can synchronously rotate the spiral auger blades 24 through the rotating column 25, the spiral auger blades 24 are attached to the inner wall of the conical cavity 26, so that powder in the conical cavity 26 can be continuously input into the grinding cylinder 14, the powder is prevented from being blocked and cannot enter into the grinding cylinder 14, the powder entering into the grinding cylinder 14 can be in a gap between the conical grinding table 27 and the grinding cylinder 14, the driving shafts IV 29 can rotate, and the powder can contain unqualified powder, so that the grinding teeth IV 28 can grind the unqualified powder twice, the whole grinding cycle is formed, and the working efficiency is greatly improved.
Referring to fig. 3, 7, 8 and 9, as a still further scheme in the invention, the outer wall of the driving shaft two 13 is rotatably connected with the conical blanking table 12, the conical blanking table 12 is positioned below the sieving disc 17, the outer wall below the conical blanking table 12 is fixedly connected with the inside of the sieving cylinder 1, a discharging pipe 19 is arranged at the bottom of the conical blanking table 12, the bottom end of the discharging pipe 19 penetrates through the bottom of the sieving cylinder 1, an arc-shaped rail 18 is arranged right above the discharging pipe 19, and the arc-shaped rail 18 is fixedly connected to the inner wall of the bottom of the sieving cylinder 1.
As a further scheme in the invention, the outer wall of the driving shaft II 13 is symmetrically and fixedly connected with two inclined scrapers 36, the inclined scrapers 36 are respectively and fixedly connected with a horizontal scraper 35 which is respectively and fixedly connected with the bottom of the conical blanking table 12, and qualified powder screened by the screening disc 17 can fall on the surface of the conical blanking table 12, and meanwhile, the driving shaft II 13 can rotate with the inclined scrapers 36 and the horizontal scraper 35, so that the powder on the surface of the conical blanking table 12 can be scraped, the powder can fall on the bottom of the conical blanking table 12, and the powder is prevented from adhering on the surface of the conical blanking table 12.
As a still further scheme in the invention, the bottom of the horizontal scraping plate 35 is provided with the through groove 38, the inner wall of the through groove 38 is connected with the folding plate 34 in a sliding manner, one end of the folding plate 34 is tightly attached to the inner wall of the screening barrel 1, a connecting spring 37 is fixedly connected between the folding plate 34 and the inner wall of the through groove 38, the outer wall of the top of the folding plate 34 is fixedly connected with the stirring rod 33, the rotating horizontal scraping plate 35 can synchronously rotate with the folding plate 34, so that the folding plate 34 is matched with the horizontal scraping plate 35, powder on the bottom of the conical blanking table 12 can be scraped, the powder is accumulated at the bending position of the folding plate 34, in the process of rotating the folding plate 34, the stirring rod 33 on the folding plate 34 is intermittently contacted with the arc-shaped track 18 above the discharging pipe 19, and in the process of contacting and separating, the arc-shaped track 18 is forced by the stirring rod 33, so that the powder accumulated at the bending position of the folding plate 34 can drop into the discharging pipe 19, and then be discharged through the discharging pipe 19, and the powder is prevented from remaining on the conical blanking table 12.
The application method of the device for grinding and processing the heavy-crystal ore comprises the following specific steps:
S1, primary grinding and centrifugal screening, namely grinding the heavy-crystal ore into powder by a grinding mechanism, then dropping the powder into a screening disc 17 rotating at a high speed, gathering the powder to the inner wall of the screening disc 17 under the action of centrifugal force, and simultaneously rotating a conical grinding table 27 in a grinding cylinder 14;
S2, powder circulation conveying, namely, shoveling powder gathered on the inner wall of a screening disc 17 into an inclined blanking cylinder 16 by a spiral bucket 20, driving spiral auger blades 24 by a conical grinding table 27 through a rotary column 25, and conveying the powder in a conical cavity 26 to a grinding cylinder 14;
S3, secondary grinding and screening, namely, after powder enters the grinding cylinder 14, the powder falls into a gap between the outer wall of the conical grinding table 27 and the inner wall of the grinding cylinder 14, secondary grinding is carried out through the rotating second grinding teeth 28, and the ground powder returns to the screening disc 17 through the discharge hole 30 for screening again;
And S4, collecting qualified powder, namely enabling the screened qualified powder to fall into the conical blanking table 12, guiding the powder cooperatively by the rotary inclined scraper 36, the horizontal scraper 35 and the folding plate 34, and finally discharging the powder through the discharging pipe 19.
The working principle is that qualified powder screened by the screening disc 17 can drop on the surface of the conical blanking table 12, meanwhile, the driving shaft II 13 can rotate with the inclined scraping plate 36 and the horizontal scraping plate 35, so that the powder on the surface of the conical blanking table 12 can be scraped off, the powder drops on the bottom of the conical blanking table 12 and is prevented from adhering to the surface of the conical blanking table 12, the rotating horizontal scraping plate 35 can synchronously rotate with the folding plate 34, the folding plate 34 is matched with the horizontal scraping plate 35, the powder on the bottom of the conical blanking table 12 can be scraped off, the powder is gathered at the bending position of the folding plate 34, in addition, in the rotating process of the folding plate 34, the stirring rod 33 on the folding plate 34 can intermittently contact with the arc-shaped track 18 above the discharging pipe 19, in the separating process, the arc-shaped track 18 is forced by the stirring rod 33, so that the powder gathered at the bending position of the folding plate 34 can drop into the discharging pipe 19, and then be discharged through the discharging pipe 19, and the powder is prevented from remaining on the conical blanking table 12.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a heavy-duty rock ore grinding processingequipment, includes screening section of thick bamboo (1) and the milling mechanism of top, be provided with mount (2) between screening section of thick bamboo (1) and the milling mechanism, a serial communication port, screening section of thick bamboo (1) inner wall rotation is connected with screening dish (17), and screening section of thick bamboo (1) bottom is provided with screening rotary mechanism, screening rotary mechanism can make screening dish (17) high-speed rotation, screening dish (17) top both sides all are provided with lower feed cylinder (16) of slope, and lower feed cylinder (16) one end all with screening section of thick bamboo (1) inner wall fixed connection, lower feed cylinder (16) other end all fixedly connected with grinding cylinder (14) of slope, and feed cylinder (16) top all has seted up feed inlet (23), feed inlet (23) both ends inner wall all sets up to the inclined plane, and feed inlet (23) top all is provided with spiral scraper bowl (20), fixedly connected with connecting block (21) between spiral scraper bowl (20) and the lower feed cylinder (16), spiral scraper bowl (20) bottom and screening dish (17) bottom wall (26) are hugged closely, and conical bore (14) are provided with grinding cylinder (14) and are connected with conical bore (14) inside (26), the outer wall of the bottom of the drooping end of the grinding cylinder (14) is provided with a discharge hole (30).
2. The device for grinding the heavy-crystal ore according to claim 1, wherein the grinding mechanism comprises a grinding tank (3), a feed hopper (4) is arranged on the outer wall of one side above the grinding tank (3), a driving shaft (10) is rotationally connected to the top of the grinding tank (3), a grinding driving motor (5) is arranged on the top of the driving shaft (10), a grinding body (9) is fixedly connected to the bottom of the driving shaft (10), the distance between the outer wall of the grinding body (9) and the inner wall of the grinding tank (3) is gradually reduced from top to bottom, a plurality of grinding teeth (8) are fixedly connected to the outer wall of the grinding body (9) and the inner wall of the grinding tank (3), a discharging pipe (11) is arranged at the bottom of the grinding tank (3), and the discharging pipe (11) penetrates through the top of the screening cylinder (1) and extends into the inside of the screening cylinder (1).
3. The device for grinding and processing the heavy-duty ore according to claim 2, wherein the screening rotation mechanism comprises a second driving shaft (13), the second driving shaft (13) is rotatably connected to the bottom of the screening barrel (1), a screening driving motor (7) is arranged at the bottom end of the second driving shaft (13), and the screening disc (17) is fixedly connected to the top end of the second driving shaft (13).
4. The device for grinding and processing the heavy-duty ore according to claim 1, wherein a driving shaft III (22) is rotatably connected to the top of the screening cylinder (1), a secondary grinding driving motor (6) is arranged at the top of the driving shaft III (22), a bevel gear I (31) is fixedly connected to the bottom end of the driving shaft III (22), a protection cylinder (15) is covered outside the driving shaft III (22), a driving shaft IV (29) is rotatably connected to the outer walls of two sides of the protection cylinder (15), a bevel gear II (32) is fixedly connected to one end of the driving shaft IV (29), and the bevel gear II (32) is meshed with the bevel gear I (31).
5. The device for grinding and processing the heavy-duty ore according to claim 4, wherein a conical grinding table (27) is arranged inside the grinding cylinder (14), a narrow port of the conical grinding table (27) faces the blanking cylinder (16), a plurality of grinding teeth two (28) are fixedly connected to the inner wall of the grinding cylinder (14) and the outer wall of the conical grinding table (27), and the other end of the driving shaft four (29) penetrates through the grinding cylinder (14) and is fixedly connected with the outer wall of one side of the conical grinding table (27).
6. The device for grinding heavy-duty ores according to claim 5, wherein a rotating column (25) is rotatably connected between the outer wall of the other side of the conical grinding table (27) and the inner wall of the conical cavity (26), the outer wall of the rotating column (25) is fixedly connected with a spiral auger blade (24), and the spiral auger blade (24) is attached to the inner wall of the conical cavity (26).
7. A heavy-duty ore grinding processing device according to claim 3, characterized in that the outer wall of the driving shaft II (13) is rotationally connected with a conical blanking table (12), the conical blanking table (12) is positioned below the screening disc (17), the outer wall below the conical blanking table (12) is fixedly connected with the inside of the screening cylinder (1), a discharging pipe (19) is arranged at the bottom of the conical blanking table (12), the bottom end of the discharging pipe (19) penetrates through the bottom of the screening cylinder (1), an arc-shaped track (18) is arranged right above the discharging pipe (19), and the arc-shaped track (18) is fixedly connected to the inner wall of the bottom of the screening cylinder (1).
8. The device for grinding and processing the heavy-duty ore, as set forth in claim 7, wherein the outer wall of the driving shaft two (13) is symmetrically and fixedly connected with two inclined scrapers (36), the inclined scrapers (36) are attached to the upper surface of the conical blanking table (12), and the bottom ends of the inclined scrapers (36) are fixedly connected with horizontal scrapers (35) attached to the bottom of the conical blanking table (12).
9. The device for grinding the heavy-duty ore into powder according to claim 8, wherein through grooves (38) are formed in the bottoms of the horizontal scraping plates (35), folding plates (34) are slidably connected to the inner walls of the through grooves (38), one ends of the folding plates (34) are tightly attached to the inner walls of the screening barrels (1), connecting springs (37) are fixedly connected between the folding plates (34) and the inner walls of the through grooves (38), and toggle rods (33) are fixedly connected to the outer walls of the tops of the folding plates (34).
10. The method of using a device for grinding and processing heavy-duty rock ore according to any one of claims 1 to 9, comprising the following specific steps:
s1, primary grinding and centrifugal screening, namely grinding the heavy-crystal ore into powder by a grinding mechanism, then dropping the powder into a screening disc (17) rotating at a high speed, gathering the powder to the inner wall of the screening disc (17) under the action of centrifugal force, and simultaneously rotating a conical grinding table (27) in a grinding cylinder (14);
S2, powder circulation conveying, namely a spiral bucket (20) shovels powder gathered on the inner wall of a screening disc (17) into an inclined blanking cylinder (16), a conical grinding table (27) drives spiral auger blades (24) through a rotary column (25), and powder in a conical cavity (26) is conveyed to a grinding cylinder (14);
S3, secondary grinding and screening, namely, after powder enters the grinding cylinder (14), the powder falls into a gap between the outer wall of the conical grinding table (27) and the inner wall of the grinding cylinder (14), secondary grinding is carried out through the rotating grinding teeth II (28), and the ground powder returns to the screening disc (17) through the discharge hole (30) to be screened again;
S4, collecting qualified powder, namely enabling the screened qualified powder to fall into a conical blanking table (12), guiding the powder cooperatively by a rotary inclined scraper (36), a horizontal scraper (35) and a folding plate (34), and finally discharging the powder through a discharging pipe (19).
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| CN202511105765.6A CN120586987B (en) | 2025-08-08 | 2025-08-08 | Device and method for grinding and processing barite ore |
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| CN202511105765.6A CN120586987B (en) | 2025-08-08 | 2025-08-08 | Device and method for grinding and processing barite ore |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN217663509U (en) * | 2022-07-28 | 2022-10-28 | 南通美怡彩新材料科技有限公司 | Plastic powder grinding equipment for circular grinding |
| CN116550412A (en) * | 2023-05-23 | 2023-08-08 | 潍坊六合新材料有限公司 | An automatic grinding device for silicon carbide micropowder |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20309648U1 (en) * | 2003-06-22 | 2004-11-04 | Weima Maschinenbau Gmbh | Grinding machine, has a rotating drum having cutters attached within a housing with holes through which the ground material is passed to a screw conveyor |
| CN218250596U (en) * | 2022-10-08 | 2023-01-10 | 广西贵港市裕桂工程机械有限公司 | Rod mill |
| CN221387366U (en) * | 2023-11-27 | 2024-07-23 | 湖北庄盛肥业有限公司 | Drum screen device for compound fertilizer particles |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN217663509U (en) * | 2022-07-28 | 2022-10-28 | 南通美怡彩新材料科技有限公司 | Plastic powder grinding equipment for circular grinding |
| CN116550412A (en) * | 2023-05-23 | 2023-08-08 | 潍坊六合新材料有限公司 | An automatic grinding device for silicon carbide micropowder |
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