CN211913993U - Scraper device for cleaning grinding roller of vertical grinding machine - Google Patents
Scraper device for cleaning grinding roller of vertical grinding machine Download PDFInfo
- Publication number
- CN211913993U CN211913993U CN201922056796.3U CN201922056796U CN211913993U CN 211913993 U CN211913993 U CN 211913993U CN 201922056796 U CN201922056796 U CN 201922056796U CN 211913993 U CN211913993 U CN 211913993U
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- grinding roller
- grinding
- shell
- circular ring
- vertical
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- 238000004140 cleaning Methods 0.000 title claims abstract description 15
- 238000007790 scraping Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 description 28
- 239000002893 slag Substances 0.000 description 15
- 239000002184 metal Substances 0.000 description 10
- 239000010419 fine particle Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- -1 ores Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a scraper device for cleaning a grinding roller of a vertical grinding machine, which relates to the technical field of the vertical grinding machine, the vertical grinding machine comprises a shell, a grinding disc which is arranged inside the shell and driven to rotate along a rotating axis in the vertical direction, the upper part of the grinding disc is provided with a grinding roller corresponding to the grinding disc, the shell is provided with a supporting shaft with one end positioned inside the shell, the grinding roller is rotatably sleeved on the supporting shaft, the other end of the supporting shaft penetrates through the shell and is connected with a pressurizing device arranged outside the shell, a branch shaft positioned inside the shell is fixedly arranged on the supporting shaft, the opposite end of the connecting end of the branch shaft and the supporting shaft is provided with the scraper device, the scraper device is positioned on the upper part of the grinding roller, the bottom end of the scraper device is parallel to the outer side wall of the grinding roller, and a gap is left between the bottom end of the, increasing grinding efficiency and reducing wear of the grinding roller.
Description
Technical Field
The utility model relates to a vertical mill technical field specifically is a clean scraper means of using of grinding roller of vertical mill.
Background
The vertical mill is suitable for grinding and crushing various materials, and the materials ground by the vertical mill have uniform granularity and fine particles, and are widely applied to cement, chemical raw materials, grinding materials, ceramics, ores, coal dust, metal powder, magnetic materials and the like. Due to the unique grinding performance of the vertical grinding machine, the vertical grinding machine is widely applied in the industry.
The vertical mill of the prior art comprises a shell, a millstone which is arranged in the shell and driven to rotate along a vertical rotating axis, a grinding roller corresponding to the millstone is arranged at the upper part of the millstone and rotates along with the rotation of the millstone, a supporting shaft with one end positioned in the shell is arranged on the shell, the grinding roller is rotatably sleeved on the supporting shaft, the other end of the supporting shaft penetrates through the shell and is connected with a pressurizing device arranged outside the shell, when the vertical mill is used, the vertical mill feeds materials at a feed inlet above the shell, the materials are scattered on the millstone, the materials are separated outwards under the action of centrifugal force generated by the rotation of the millstone, the materials are ground and ground by the grinding roller and the millstone, the ground materials are thrown out of the millstone by the centrifugal force, meanwhile, compressed air arranged below the millstone enters the shell, the ground materials are blown, impurities such as metal and the like, the fine particles which are qualified for grinding are blown by compressed air and discharged from a fine particle discharge port above the shell.
When the vertical mill in the prior art is used, materials are ground between the grinding rollers and the grinding disc under the action of the centrifugal force of the grinding disc, the friction force between the grinding disc and the materials as well as the grinding rollers and the pressure of an external pressurizing device acting on the grinding rollers drive the grinding rollers to rotate and simultaneously grind the materials, and in the process, material slag is easily adhered to the grinding rollers, and excessively hard metal slag in the materials is easily extruded on the grinding rollers to rotate along with the grinding rollers; secondly, the metal slag is easy to aggravate to wear and damage the grinding roller.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims at providing a clean scraper means that uses of grinding roller of vertical mill.
The utility model aims at realizing through the following technical scheme: a scraper device for cleaning a grinding roller of a vertical grinding mill, wherein the vertical grinding mill 1 comprises a shell 101 and a grinding disc 2 which is arranged in the shell 101 and driven to rotate by a rotating axis along the vertical direction, a grinding roller 3 corresponding to the grinding disc 2 is arranged at the upper part of the grinding disc 2, the grinding roller 3 rotates along with the rotation of the grinding disc 2, a support shaft 4 with one end positioned in the shell 101 is arranged on the shell 101, the grinding roller 3 is rotatably sleeved on the support shaft 4, the other end of the support shaft 4 penetrates through the shell 101 and is connected with a pressurizing device 5 arranged outside the shell 101, a branch shaft 401 positioned in the shell 101 is fixedly arranged on the support shaft 4, a scraper device 6 is arranged at the opposite end of the connecting end of the branch shaft 401 and the support shaft 4, the scraper device 6 is positioned at the upper part of the grinding roller 3, and the bottom end of the scraper device 6 is parallel, and a gap is reserved between the bottom end of the scraper plate device 6 and the outer side wall of the grinding roller 3.
In a preferred embodiment, the scraper device 6 includes a sleeve 601 sleeved on the branch shaft 401, a scraper 606 positioned between the sleeve and the grinding roller is fixedly arranged on a side wall of the sleeve 601, a first ring 402 perpendicular to the branch shaft 401 is fixedly arranged on the branch shaft 401, a second ring 602 is fixedly arranged at one end of the sleeve 601 close to the first ring 402, a torsion spring 7 sleeved on the branch shaft 401 is arranged between the first ring 402 and the second ring 602, one end of the torsion spring 7 is fixedly connected with the first ring 402, and the other end of the torsion spring 7 is fixedly connected with the second ring 602.
In a preferred embodiment, a first through hole 403 is formed in the first circular ring 402, a second through hole 603 is formed in the second circular ring 602, pins 701 are disposed at both ends of the torsion spring 7, one of the two pins 701 penetrates through the first through hole 403, and the other of the two pins 701 penetrates through the second through hole 603.
In a preferred embodiment, a cylindrical housing 604 is disposed between the first circular ring 402 and the second circular ring 602, one end of the housing 604 is fixedly connected to an outer side wall of the second circular ring 602, and the other end of the housing 604 is sleeved on an outer side wall of the first circular ring 402 and has a gap with the outer side wall of the first circular ring 402.
In a preferred embodiment, a limit block 404 is disposed on an outer side wall of the first circular ring 402, and a limit groove 605 corresponding to the limit block 404 is disposed on the housing 604.
In a preferred embodiment, the limiting groove 605 is arc-shaped along the circumferential direction of the housing 604, and the arc-shaped opening angle of the limiting groove 605 is 15-30 degrees.
The utility model has the advantages that:
in the embodiment of the utility model, the scraper device is arranged to scrape the material slag adhered on the grinding roller and the metal slag extruded on the grinding roller, thereby increasing the grinding efficiency and reducing the abrasion to the grinding roller;
the embodiment of the utility model provides an in, material disintegrating slag and the metal disintegrating slag of adhesion are too much on avoiding the grinding roller, produce great impact force to the scraper blade, and damage the scraper blade, through setting up this problem of solution that torque spring can be fine, when the impact force to the scraper blade production is too big, the scraper blade is followed the direction of rotation of grinding roller and is rotated certain angle, make the clearance grow between scraper blade and the grinding roller, can effectual reduction impact, simultaneously under torque spring's torsion effect, make the scraper blade resume its original position, when effectively striking off the disintegrating slag of adhesion, increase the life of scraper blade.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of a scraping plate device for cleaning a grinding roller of a vertical grinding machine according to an embodiment of the present invention;
FIG. 2 is a sectional view of a scraper device for cleaning a grinding roller of a vertical grinding mill according to an embodiment of the present invention;
FIG. 3 is a partial cross-sectional view of a scraper device for cleaning grinding rolls of a vertical grinding mill according to an embodiment of the present invention;
FIG. 4 is an external structural view of a scraper device for cleaning grinding rolls of a vertical mill according to an embodiment of the present invention.
In the figure:
1. a vertical mill; 101. a housing; 102. a feed inlet; 103. an air inlet; 104. an outlet port; 105. A fine particle outlet; 2. a grinding disc; 3. grinding the roller; 4. a support shaft; 401. dividing a support shaft; 402. a first circular ring; 403. a first through hole; 5. a pressurizing device; 6. a squeegee assembly; 601. a sleeve; 602. a second circular ring; 603. a second through hole; 604. a housing; 605. a limiting groove; 606. a squeegee; 7. a torsion spring; 701. a pin; 8. an electric motor.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
The invention will be further described with reference to the drawings and specific examples.
As shown in FIG. 1, the scraping plate device for cleaning the grinding roller of the vertical grinding mill of the embodiment of the present invention comprises a housing 101, a grinding disc 2 disposed inside the housing 101 and driven to rotate by a rotation axis along a vertical direction, the grinding disc 2 is driven to rotate by a motor 8 disposed at a lower portion thereof, a grinding roller 3 corresponding to the grinding disc 2 is disposed at an upper portion of the grinding disc 2, the grinding roller 3 rotates along with the rotation of the grinding disc 2, a support shaft 4 having one end located inside the housing 101 is disposed on the housing 101, the grinding roller 3 is rotatably sleeved on the support shaft 4, the other end of the support shaft 4 penetrates through the housing 101 and is connected with a pressurizing device 5 disposed outside the housing 101, a branch shaft 401 located inside the housing 101 is disposed on the support shaft 4, a scraping plate device 6 is disposed at an opposite end of a connection end between the branch shaft 401 and the support shaft 4, the scraping plate, and a gap is reserved between the bottom end of the scraper device 6 and the outer side wall of the grinding roller 3;
in the embodiment of the utility model, the upper part of the shell 101 is provided with the feed inlet 102, the material enters the shell 101 from the feed inlet 102 and falls on the grinding disc 2, the grinding disc 2 is driven by the motor 8 to rotate, the material is thrown out in the radial direction of the grinding disc 2 under the action of the centrifugal force of the grinding disc 2, and is ground between the grinding roller 3 and the grinding disc 2, the friction force between the grinding disc 2 and the material and the grinding roller 3 and the pressure of the external pressurizing device 5 acting on the grinding roller enable the grinding disc 2 to rotate the grinding roller 3 and simultaneously grind; the pressurizing device 5 is the prior art, generally adopts an oil cylinder to provide pressure, and increases the grinding pressure on the grinding roller 3; the grinded material is thrown out of the grinding disc 2 under the action of centrifugal force, meanwhile, compressed air arranged below the grinding disc 2 enters the shell through an air inlet 103, the grinded material is blown up, impurities such as metal and the like contained in the material are discharged through a discharge port 104 below the shell 101, coarse particles in the material are blown into the grinding disc 2 for re-grinding, qualified fine particles are blown up by the compressed air and are discharged through a fine particle outlet 105 above the shell 101;
the embodiment of the utility model provides an in, for avoiding the adhesion of material disintegrating slag on the grinding roller to and the metal disintegrating slag extrusion of crossing hard in the material is followed rotatoryly on the grinding roller, scrapes through setting up the material disintegrating slag of scraper means 6 adhesion on with grinding roller 3 and the metal disintegrating slag of extrusion above, increases grinding efficiency, reduces the wearing and tearing to grinding roller 3.
The scraper device 6 comprises a sleeve 601 sleeved on the branch support shaft 401, a scraper 606 positioned between the sleeve and the grinding roller is fixedly arranged on the side wall of the sleeve 601, the bottom end of the scraper 606 is parallel to the outer side wall of the grinding roller 3, a gap is reserved between the bottom end of the scraper 606 and the outer side wall of the grinding roller 3, a first circular ring 402 vertical to the branch support shaft 401 is fixedly arranged on the branch support shaft 401, a second circular ring 602 is fixedly arranged at one end of the sleeve 601 close to the first circular ring 402, a torsion spring 7 sleeved on the branch support shaft 401 is arranged between the first circular ring 402 and the second circular ring 602, one end of the torsion spring 7 is fixedly connected with the first circular ring 402, and the other end of the torsion spring 7 is fixedly connected with the second circular ring 602;
a first through hole 403 is formed in the first circular ring 402, a second through hole 603 is formed in the second circular ring 602, pins 701 are arranged at two ends of the torsion spring 7, one of the two pins 701 penetrates through the first through hole 403, and the other of the two pins 701 penetrates through the second through hole 603;
the embodiment of the utility model provides an in, when too much for avoiding the material disintegrating slag and the metal disintegrating slag of adhesion on the grinding roller 3, produce great impact force to scraper blade 606, and damage scraper blade 606, through setting up this problem of solution that torque spring 7 can be fine, when too big the impact force that produces scraper blade 606, scraper blade 606 rotates certain angle along grinding roller 3's direction of rotation, make the clearance grow between scraper blade 606 and the grinding roller 3, can effectual reduction strike, the back has been strikeed simultaneously, under torque spring 7's torsion effect, make sleeve 601 resume the normal position, and then make scraper blade 606 resume its original position, when effectively striking off the disintegrating slag of adhesion, increase life.
A cylindrical shell 604 is arranged between the first circular ring 402 and the second circular ring 602, one end of the shell 604 is fixedly connected with the outer side wall of the second circular ring 602, the other end of the shell 604 is sleeved on the outer side wall of the first circular ring 402, and a gap is reserved between the other end of the shell 604 and the outer side wall of the first circular ring 402;
the outer side wall of the first circular ring 402 is provided with a limiting block 404, and the shell 604 is provided with a limiting groove 605 corresponding to the limiting block 404;
the limiting groove 605 is arc-shaped along the circumferential direction of the shell 604, and the arc-shaped opening angle of the limiting groove 605 is 15-30 degrees;
the embodiment of the utility model provides an in, shell 604 is arranged in avoiding the material residue to get into torsion spring 7's gap, influences torsion spring 7's normal work, and spacing groove 605 and stopper 404's settlement are used for limiting scraper blade 606 pivoted angle simultaneously, make its at 15-30 within range internal rotation, when effectively reducing the impact force, do not influence the effect of striking off to grinding roller 3 surface residue.
Finally, it should be noted that: the above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a scraper means is used in grinding roller cleaning of vertical mill, vertical mill (1) includes casing (101), locates casing (101) inside along the rotatory mill (2) of the rotatory axle center drive of vertical direction, mill (2) upper portion is equipped with grinding roller (3) rather than corresponding, grinding roller (3) are followed the rotation and the rotation of mill (2), be equipped with one end on casing (101) and be located casing (101) inside back shaft (4), grinding roller (3) rotatable cup joint in on back shaft (4), the other end of back shaft (4) runs through casing (101) with locate casing (101) outside pressure device (5) are connected its characterized in that: the grinding roller grinding device is characterized in that a branch supporting shaft (401) located inside the shell (101) is fixedly arranged on the supporting shaft (4), a scraper device (6) is arranged at the opposite end of the connecting end of the branch supporting shaft (401) and the supporting shaft (4), the scraper device (6) is located at the upper portion of the grinding roller (3), the bottom end of the scraper device (6) is parallel to the outer side wall of the grinding roller (3), and a gap is reserved between the bottom end of the scraper device (6) and the outer side wall of the grinding roller (3).
2. The blade device for cleaning a grinding roller of a vertical grinding machine according to claim 1, wherein: the scraping plate device (6) comprises a sleeve (601) sleeved on the branch supporting shaft (401), a scraping plate (606) positioned between the sleeve and the grinding roller is fixedly arranged on the side wall of the sleeve (601), a first circular ring (402) perpendicular to the branch supporting shaft is fixedly arranged on the branch supporting shaft (401), a second circular ring (602) is fixedly arranged at one end, close to the first circular ring (402), of the sleeve (601), a torsion spring (7) sleeved on the branch supporting shaft (401) is arranged between the first circular ring (402) and the second circular ring (602), one end of the torsion spring (7) is fixedly connected with the first circular ring (402), and the other end of the torsion spring (7) is fixedly connected with the second circular ring (602).
3. The blade device for cleaning a grinding roller of a vertical grinding machine according to claim 2, wherein: the first ring (402) is provided with a first through hole (403), the second ring (602) is provided with a second through hole (603), two ends of the torsion spring (7) are provided with pins (701), one of the two pins (701) penetrates through the first through hole (403), and the other pin (701) penetrates through the second through hole (603).
4. The blade device for cleaning a grinding roller of a vertical grinding machine according to claim 2, wherein: a cylindrical shell (604) is arranged between the first circular ring (402) and the second circular ring (602), one end of the shell (604) is fixedly connected with the outer side wall of the second circular ring (602), the other end of the shell (604) is sleeved on the outer side wall of the first circular ring (402), and a gap is reserved between the other end of the shell and the outer side wall of the first circular ring (402).
5. The blade device for cleaning a grinding roller of a vertical grinding machine according to claim 4, wherein: the outer side wall of the first circular ring (402) is provided with a limiting block (404), and the shell (604) is provided with a limiting groove (605) corresponding to the limiting block (404).
6. The blade device for cleaning a grinding roller of a vertical grinding machine as claimed in claim 5, wherein: the limiting groove (605) is arc-shaped along the circumferential direction of the shell (604), and the arc-shaped opening angle of the limiting groove (605) is 15-30 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922056796.3U CN211913993U (en) | 2019-11-26 | 2019-11-26 | Scraper device for cleaning grinding roller of vertical grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922056796.3U CN211913993U (en) | 2019-11-26 | 2019-11-26 | Scraper device for cleaning grinding roller of vertical grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211913993U true CN211913993U (en) | 2020-11-13 |
Family
ID=73319795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922056796.3U Expired - Fee Related CN211913993U (en) | 2019-11-26 | 2019-11-26 | Scraper device for cleaning grinding roller of vertical grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211913993U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115608614A (en) * | 2022-09-19 | 2023-01-17 | 安徽省春谷3D打印智能装备产业技术研究院有限公司 | An anti-adhesion device for metal powder screening |
| CN117399126A (en) * | 2023-10-30 | 2024-01-16 | 浙江力普粉碎设备有限公司 | A micron-level vertical grinding mill |
| CN117696182A (en) * | 2023-11-28 | 2024-03-15 | 国能长源武汉青山热电有限公司 | Bowl-type medium-speed coal mill tire type grinding roller device |
-
2019
- 2019-11-26 CN CN201922056796.3U patent/CN211913993U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115608614A (en) * | 2022-09-19 | 2023-01-17 | 安徽省春谷3D打印智能装备产业技术研究院有限公司 | An anti-adhesion device for metal powder screening |
| CN117399126A (en) * | 2023-10-30 | 2024-01-16 | 浙江力普粉碎设备有限公司 | A micron-level vertical grinding mill |
| CN117696182A (en) * | 2023-11-28 | 2024-03-15 | 国能长源武汉青山热电有限公司 | Bowl-type medium-speed coal mill tire type grinding roller device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201113 |