CN215541626U - A scraper for vertical roller mill - Google Patents
A scraper for vertical roller mill Download PDFInfo
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- CN215541626U CN215541626U CN202121213894.4U CN202121213894U CN215541626U CN 215541626 U CN215541626 U CN 215541626U CN 202121213894 U CN202121213894 U CN 202121213894U CN 215541626 U CN215541626 U CN 215541626U
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- mill
- vertical roller
- bevel gear
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- 238000007790 scraping Methods 0.000 claims abstract description 77
- 239000000463 material Substances 0.000 abstract description 86
- 239000008187 granular material Substances 0.000 abstract description 12
- 239000000843 powder Substances 0.000 description 24
- 239000004744 fabric Substances 0.000 description 8
- 239000002245 particle Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000005552 hardfacing Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
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- Crushing And Grinding (AREA)
Abstract
The utility model belongs to the technical field of vertical roller mills, and particularly relates to a scraping device for a vertical roller mill. This a scraping device for vertical roller mill, level the device through setting up, can promote the material on the mill, make its distribution evenly be convenient for grind, the rotation levelling plate through the mill can promote the material on the mill, make accumulational material can tile on the mill, the grinding roller device of being convenient for grinds, the rotation of levelling plate accessible threaded rod is adjusted from top to bottom simultaneously, the levelling plate of being convenient for carries out the regulation of position according to the size of material granule, thereby can tile the material on the mill.
Description
Technical Field
The utility model relates to the technical field of vertical roller mills, in particular to a material scraping device for a vertical roller mill.
Background
The vertical roller mill is a vertical mill for short, is used for grinding and processing cement raw materials, cement clinker, slag and coal cinder, and has the characteristics of simple structure and low manufacturing and using cost. The grinding disc device is rotatably supported on the machine body through the rotary guide rail and is in transmission connection with the transmission device.
The rotation through the mill device of current vertical roller mill, the material on the mill is ground to powder by the grinding roller device, the mill rotates the centrifugal force that produces and can filter the feed bin below getting into with the material from mill screen cloth all around in, because the height of screen cloth is limited, can appear not grinding into the material of powder and fly into the feed bin under the effect of centrifugal force in, cause the powder matter in the feed bin inhomogeneous, influence the quality, scatter the material and mill on the mill through the unloading pipe, this inhomogeneous that the material scatters when can appear the blanking, the grinding roller device can't carry out even grinding, still cause grinding roller device's wearing and tearing easily.
SUMMERY OF THE UTILITY MODEL
Based on the fact that the height of a screen of the existing vertical roller mill is limited, particle materials which are not ground into powder fly into a bin under the action of centrifugal force, so that the powder quality in the bin is uneven, and the quality is affected, the materials are scattered on a grinding disc to be ground through a discharging pipe, so that the technical problems that the materials are scattered unevenly during blanking, and the grinding roller device is easily abraded are caused, and the utility model provides the scraping device for the vertical roller mill.
The utility model provides a scraping device for a vertical roller mill, which comprises a supporting frame, an outer cover and a driving shell, wherein the upper surface of the supporting frame and the lower surface of the outer cover are fixedly installed;
the inner wall of dustcoat is provided with and levels the device, level the device and include the spout, the surface fixed mounting of spout is in one side inner wall of dustcoat.
Preferably, the scraping device further comprises a grinding disc, the lower surface of the grinding disc is rotatably connected to the upper surface of the driving shell, a scraping bin is fixedly mounted on the lower surface of the grinding disc, the lower end of the outer surface of the scraping bin extends into the inclined bin and then is rotatably connected with the inner wall of a notch of the inclined bin, and discharge holes are formed in the inner bottom wall of the scraping bin in an annular array manner;
through the technical scheme, wherein scrape the rotation that the feed bin passes through the mill and be driven, scrape the surface of feed bin and the inside wall contact of dustcoat, make the powder material of departure under the effect of centrifugal force can get into and scrape in the feed bin, can fix the installation screen cloth in the discharge gate of scraping the feed bin, prevent that the great particulate matter material of departure from the discharge gate to carry out oblique feed bin in, the mill drives with the speed reducer through the inverter motor who sets up in the drive shell, the feed bin of oblique feed bin is the slope shape, can slide the powder material of falling in oblique feed bin towards an orientation and be convenient for the ejection of compact, the smooth membrane of inner wall bonding of feed bin to one side, the material of being convenient for slides in oblique feed bin, the interior diapire fixable mounting discharge gate of feed bin to one side, the material of being convenient for gets into next process.
Preferably, the inner side wall of the outer cover is fixedly provided with a connecting frame in an annular array manner, one end of the connecting frame extends into the scraping bin and is fixedly provided with a scraping plate, and the lower surface of the scraping plate is in contact with the inner bottom wall of the scraping bin;
through the technical scheme, the materials in the material bin can be scraped out through the discharge hole through the rotation of the grinding disc, the next procedure is convenient to carry out in the oblique material bin is got into from the discharge hole, the scraper blade is fixed with the connecting frame through the bolt, the scraper blade of being convenient for is changed after wearing and tearing, the scraper blade adopts the hardfacing material, and the service life is prolonged.
Preferably, the outer surface of the chute is fixedly provided with a grinding roller through a bracket, and the grinding roller is positioned above the scraping bin;
through above-mentioned technical scheme, the grinding roller can carry out grinding once more to the granule material of scraping in the feed bin and become powder, improves the quality that the material grinding becomes powder, and the grinding roller adopts the hardfacing material, and the grinding roller can rotate when scraping the feed bin and rotate and grind the material of scraping on the feed bin for the grinding roller wearing and tearing are even.
Preferably, the leveling device further comprises a threaded rod, two ends of the threaded rod are fixedly mounted on the inner top wall and the inner bottom wall of the sliding groove respectively through bearings, a driven bevel gear is fixedly mounted at one end of the threaded rod, a driving bevel gear is fixedly mounted on the outer surface of the sliding groove, one end of the driving bevel gear penetrates through the inner side wall of the sliding groove, the outer surface of the driving bevel gear is meshed with the outer surface of the driven bevel gear, a handle is fixedly mounted on the outer surface of the driving bevel gear, and one end of the handle penetrates through the outer surface of the outer cover and extends to the outside of the outer cover;
through above-mentioned technical scheme, through the rotation of handle, drive bevel gear and driven bevel gear's cooperation drives the rotation of threaded rod, can adjust the height of leveling plate according to the particle size of material, the use of the leveling plate of being convenient for.
Preferably, the outer surface of the threaded rod is in threaded connection with a sliding block, the outer surface of the sliding block is fixedly provided with a leveling plate through a connecting piece, and the leveling plate is positioned above the grinding disc;
through above-mentioned technical scheme, the leveling plate can evenly push away the material on the mill and level, and the grinding roller device of being convenient for grinds work.
The beneficial effects of the utility model are as follows:
1. through setting up the scraper, can scrape the material processing to scraping the material in the feed bin, rotation through the mill, the rotation of feed bin is scraped in the drive, the scraper blade can scrape the material in scraping the feed bin, release from the discharge opening, can scrape the material through the rotation of scraping the feed bin, there is not the granule that grinds into powder simultaneously in scraping the feed bin, accessible grinding roller can carry out the grinding once more to scraping the granule material in the feed bin when scraping the rotation in feed bin and become powder, improve the quality that the material ground becomes powder, thereby can grind once more the material that falls on scraping granule in the feed bin, prevent to influence the quality of material, it is highly limited to have solved current vertical roller mill's screen cloth, can appear not grinding into the granule material of powder and fly into the feed bin under the effect of centrifugal force, cause the powder quality in the feed bin inhomogeneous, influence the technical problem of quality.
2. Through setting up the leveling device, can promote the material on the mill, make its even grinding of being convenient for that distributes, can the leveling plate promote the material on the mill through the rotation of mill, make accumulational material can tile on the mill, the grinding roller device of being convenient for grinds, the rotation of leveling plate accessible threaded rod is adjusted from top to bottom simultaneously, the leveling plate of being convenient for can carry out the regulation of position according to the size of material granule, prevent that the material from being blocked by the leveling plate and can't grind, thereby can tile the material on the mill, solved current vertical roller mill and scattered the material on the mill through the unloading pipe, the inhomogeneous of material scattering when this can appear the blanking, still cause the technical problem of grinding roller device's wearing and tearing easily.
Drawings
Fig. 1 is a schematic view of a scraping device for a vertical roller mill according to the present invention;
fig. 2 is a perspective view of a housing structure of a scraping device for a vertical roller mill according to the present invention;
fig. 3 is a perspective view of a grinding disc structure of a scraping device for a vertical roller mill according to the present invention;
fig. 4 is a perspective view of an inclined material bin structure of the scraping device for the vertical roller mill according to the utility model;
fig. 5 is a perspective view of a scraping bin structure of the scraping device for the vertical roller mill, which is provided by the utility model;
fig. 6 is a perspective view of a chute structure of a scraping device for a vertical roller mill according to the present invention;
fig. 7 is a perspective view of a threaded rod structure of a scraping device for a vertical roller mill according to the present invention.
In the figure: 1. a support frame; 11. a housing; 12. a drive housing; 2. an inclined stock bin; 21. a grinding disc; 22. scraping a bin; 23. a discharge hole; 24. a connecting frame; 25. a squeegee; 26. a grinding roller; 3. a chute; 31. a threaded rod; 32. a drive bevel gear; 33. a driven bevel gear; 34. a handle; 35. a slider; 36. and (7) flattening the plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-7, a scraping device for a vertical roller mill comprises a support frame 1, an outer cover 11 and a driving shell 12, wherein the upper surface of the support frame 1 and the lower surface of the outer cover 11 are fixedly installed, the driving shell 12 is fixedly installed on the upper surface of a bottom plate of the support frame 1, the upper surface of the support frame 1 is provided with the scraping device, the scraping device comprises an inclined material bin 2, and the lower surface of the inclined material bin 2 is fixedly installed on the outer surface of the support frame 1;
furthermore, the scraping device also comprises a grinding disc 21, the lower surface of the grinding disc 21 is rotatably connected to the upper surface of the driving shell 12, a scraping bin 22 is fixedly installed on the lower surface of the grinding disc 21, the lower end of the outer surface of the scraping bin 22 extends into the inclined bin 2 and then is rotatably connected with the inner wall of the notch of the inclined bin 2, and discharge holes 23 are formed in the inner bottom wall of the scraping bin 22 in an annular array;
wherein the scraping bin 22 is driven by the rotation of the grinding disc 21, the outer surface of the scraping bin 22 is contacted with the inner side wall of the outer cover 11, make the powder material of departure under the effect of centrifugal force can get into and scrape in the feed bin 22, but scrape in the discharge opening 23 of feed bin 22 fixed mounting screen cloth, prevent that the great granule material of departure from carrying out oblique feed bin 2 in discharge opening 23, mill 21 drives with the speed reducer through the inverter motor who sets up in drive shell 12, be provided with the screen cloth around mill 21, material accessible screen cloth gets into scrapes in the feed bin 22, feed bin 2 is the feed bin of slope shape to one side, can slide the powdery material that falls in oblique feed bin 2 towards an orientation and be convenient for the ejection of compact, the smooth membrane of inner wall bonding of oblique feed bin 2, be convenient for the material slide in oblique feed bin 2, but the interior diapire fixed mounting discharge gate of oblique feed bin 2, be convenient for the material to get into next process.
Further, the inner side wall of the outer cover 11 is fixedly provided with connecting frames 24 in an annular array, one end of each connecting frame 24 extends into the scraping bin 22 and is fixedly provided with a scraping plate 25, and the lower surface of each scraping plate 25 is in contact with the inner bottom wall of the scraping bin 22;
the rotation through mill 21 can scrape the material in scraping the feed bin 22 out through discharge opening 23, and in 23 entering oblique feed bin 2 from the discharge opening, be convenient for carry on next process, scraper 25 passes through the bolt and is fixed with link 24, and the scraper 25 of being convenient for changes after wearing and tearing, and scraper 25 adopts the hardfacing material, increases life.
Further, the outer surface of the chute 3 is fixedly provided with a grinding roller 26 through a bracket, and the grinding roller 26 is positioned above the scraping bin 22;
The scraping device can scrape the materials in the scraping bin 22, the grinding disc 21 rotates to drive the scraping bin 22 to rotate, the scraper 25 can scrape the materials in the scraping bin 22 and push the materials out of the discharge hole 23, the materials can be scraped out by the rotation of the scraping bin 22, meanwhile, particles which are not ground into powder are arranged in the scraping bin 22, and the particle materials in the scraping bin 22 can be ground into powder again through the grinding rollers 26 when the scraping bin 22 rotates, so that the quality of grinding the materials into powder is improved, thereby can grind once more the material that falls into the granule in scraping feed bin 22, prevent to influence the quality of material, it is highly limited to have solved current vertical roller mill's screen cloth, can appear not grinding into the granule material of powder and fly into the feed bin under the effect of centrifugal force in, cause the powder matter in the feed bin inhomogeneous, influence the technical problem of quality.
The inner wall of the outer cover 11 is provided with a leveling device, the leveling device comprises a chute 3, and the outer surface of the chute 3 is fixedly arranged on the inner wall of one side of the outer cover 11;
further, the leveling device also comprises a threaded rod 31, two ends of the threaded rod 31 are respectively and fixedly installed on the inner top wall and the inner bottom wall of the sliding chute 3 through bearings, a driven bevel gear 33 is fixedly installed at one end of the threaded rod 31, a driving bevel gear 32 is fixedly installed on the outer surface of the sliding chute 3, one end of the driving bevel gear 32 penetrates through the inner side wall of the sliding chute 3 and then the outer surface of the driving bevel gear 32 is meshed with the outer surface of the driven bevel gear 33, a handle 34 is fixedly installed on the outer surface of the driving bevel gear 32, and one end of the handle 34 penetrates through the outer surface of the outer cover 11 and extends to the outside of the outer surface;
through the rotation of handle 34, drive bevel gear 32 and driven bevel gear 33's cooperation drives the rotation of threaded rod 31, can adjust the height of leveling plate 36 according to the particle size of material, the use of leveling plate 36 of being convenient for.
Further, the outer surface of the threaded rod 31 is connected with a sliding block 35 in a threaded manner, the outer surface of the sliding block 35 is fixedly provided with a leveling plate 36 through a connecting piece, and the leveling plate 36 is positioned above the grinding disc 21;
the leveling plate 36 can evenly push the materials on the grinding disc 21 flat, so that the grinding roller device can conveniently grind.
Through setting up the leveling device, can promote the material on the mill 21, make its distribution evenly be convenient for grind, rotation through mill 21 can the leveling plate 36 can promote the material on the mill 21, make accumulational material can tile on mill 21, the grinding roller device of being convenient for grinds, the rotation of leveling plate 36 accessible threaded rod 31 is adjusted from top to bottom simultaneously, the leveling plate 36 of being convenient for can carry out the regulation of position according to the size of material granule, prevent that the material from being kept off by leveling plate 36 and can't grind, thereby can tile the material on the mill 21, solved current vertical roller mill and scattered the material on mill 21 through the unloading pipe and milled, this material scattering's inhomogeneous when can appearing the blanking, still cause the technical problem of grinding roller device's wearing and tearing easily.
The working principle is as follows: when the vertical roller mill is used, materials are conveyed to the grinding disc 21 through the feeding pipe on the outer cover 11, the handle 34 on the outer side face of the outer cover 11 is rotated to drive the driving bevel gear 32 to rotate, the driving bevel gear 32 drives the driven bevel gear 33 to rotate, the threaded rod 31 can rotate, the sliding block 35 moves up and down on the threaded rod 31, the position of the leveling plate 36 is adjusted according to the size of grinding particles, the materials and the scraping bin 22 are driven to rotate through the rotation of the grinding disc 21, the leveling plate 36 can flatly spread the materials stacked together, and the materials on the grinding disc 21 are ground into powder between the grinding roller device and the grinding disc 21;
centrifugal force generated along with the rotation of the grinding disc 21 enters the scraping bin 22 below the grinding disc 21 through a screen on the grinding disc 21, the grinding rollers 26 on the chute 3 can grind materials in the scraping bin 22 again along with the rotation of the scraping bin 22, and the materials in powder can be scraped into the inclined bin 2 through the discharge holes 23 by the scraping plates 25 on the connecting frame 24 on the inner side wall of the outer cover 11.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. A scraper for a vertical roller mill, comprising a support frame (1), a housing (11) and a drive housing (12), characterized in that: the upper surface of the support frame (1) and the lower surface of the outer cover (11) are fixedly installed, the driving shell (12) is fixedly installed on the upper surface of the bottom plate of the support frame (1), the upper surface of the support frame (1) is provided with a scraping device, the scraping device comprises an inclined stock bin (2), and the lower surface of the inclined stock bin (2) is fixedly installed on the outer surface of the support frame (1);
the inner wall of dustcoat (11) is provided with and levels the device, level the device and include spout (3), the surface fixed mounting of spout (3) is in one side inner wall of dustcoat (11).
2. The scraping device for a vertical roller mill according to claim 1, characterized in that: the scraping device further comprises a grinding disc (21), the lower surface of the grinding disc (21) is rotatably connected to the upper surface of the driving shell (12), a scraping bin (22) is fixedly mounted on the lower surface of the grinding disc (21), the lower end of the outer surface of the scraping bin (22) extends to the position behind the inside of the inclined bin (2) and is rotatably connected with the inner wall of the groove opening of the inclined bin (2), and a discharge hole (23) is formed in the inner bottom wall annular array of the scraping bin (22).
3. The scraping device for a vertical roller mill according to claim 2, characterized in that: the inside wall annular array fixed mounting of dustcoat (11) has link (24), the one end of link (24) extends to the inside back fixed mounting who scrapes feed bin (22) has scraper blade (25), the lower surface of scraper blade (25) with scrape the interior diapire contact of feed bin (22).
4. A scraping apparatus for a vertical roller mill according to claim 3, characterized in that: the outer fixed surface of spout (3) installs through support fixed mounting and has grinding roller (26), grinding roller (26) are located scrape the top of feed bin (22).
5. The scraping device for a vertical roller mill according to claim 4, characterized in that: the leveling device further comprises a threaded rod (31), the two ends of the threaded rod (31) are respectively and fixedly mounted on the inner top wall and the inner bottom wall of the sliding chute (3) through bearings, a driven bevel gear (33) is fixedly mounted at one end of the threaded rod (31), a driving bevel gear (32) is fixedly mounted on the outer surface of the sliding chute (3), one end of the driving bevel gear (32) penetrates through the inner side wall of the sliding chute (3), the outer surface of the driving bevel gear (32) is meshed with the outer surface of the driven bevel gear (33), a handle (34) is fixedly mounted on the outer surface of the driving bevel gear (32), and one end of the handle (34) penetrates through the outer surface of the outer cover (11) and extends to the outside of the outer cover.
6. The scraping device for a vertical roller mill according to claim 5, characterized in that: the outer surface threaded connection of threaded rod (31) has slider (35), there is leveling plate (36) the surface of slider (35) through connecting piece fixed mounting, leveling plate (36) are located the top of mill (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121213894.4U CN215541626U (en) | 2021-06-01 | 2021-06-01 | A scraper for vertical roller mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121213894.4U CN215541626U (en) | 2021-06-01 | 2021-06-01 | A scraper for vertical roller mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215541626U true CN215541626U (en) | 2022-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121213894.4U Active CN215541626U (en) | 2021-06-01 | 2021-06-01 | A scraper for vertical roller mill |
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| Country | Link |
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| CN (1) | CN215541626U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115535659A (en) * | 2022-12-05 | 2022-12-30 | 常州光辉纳米粉体科技有限公司 | Loading attachment for silica micropowder magnetic substance check out test set |
| CN117583108A (en) * | 2023-12-12 | 2024-02-23 | 山东华锴重工机械有限公司 | Vertical pulverizer |
-
2021
- 2021-06-01 CN CN202121213894.4U patent/CN215541626U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115535659A (en) * | 2022-12-05 | 2022-12-30 | 常州光辉纳米粉体科技有限公司 | Loading attachment for silica micropowder magnetic substance check out test set |
| CN117583108A (en) * | 2023-12-12 | 2024-02-23 | 山东华锴重工机械有限公司 | Vertical pulverizer |
| CN117583108B (en) * | 2023-12-12 | 2025-02-07 | 山东华锴重工机械有限公司 | Vertical pulverizer |
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