CN114433311A - High-efficient sand mill centrifugation discharge system of intelligence - Google Patents
High-efficient sand mill centrifugation discharge system of intelligence Download PDFInfo
- Publication number
- CN114433311A CN114433311A CN202210128410.9A CN202210128410A CN114433311A CN 114433311 A CN114433311 A CN 114433311A CN 202210128410 A CN202210128410 A CN 202210128410A CN 114433311 A CN114433311 A CN 114433311A
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- CN
- China
- Prior art keywords
- centrifugal wheel
- centrifugal
- rotating shaft
- discharging
- gland
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004576 sand Substances 0.000 title claims abstract description 18
- 238000005119 centrifugation Methods 0.000 title claims description 3
- 238000007599 discharging Methods 0.000 claims abstract description 32
- 210000004907 gland Anatomy 0.000 claims abstract description 25
- 239000006185 dispersion Substances 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 abstract description 13
- 238000000926 separation method Methods 0.000 abstract description 10
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Images
Classifications
-
- 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
- B02C17/16—Mills in which a fixed container houses stirring means tumbling the charge
- B02C17/161—Arrangements for separating milling media and ground material
-
- 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
- B02C17/16—Mills in which a fixed container houses stirring means tumbling the charge
- B02C17/163—Stirring means
-
- 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
- B02C17/1835—Discharging devices combined with sorting or separating of material
- B02C17/184—Discharging devices combined with sorting or separating of material with separator arranged in discharge path of crushing zone
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a centrifugal discharging system of an intelligent high-efficiency sand mill, which comprises a grinding cylinder with a sealed front end cover and a rotating shaft penetrating through a rear machine seal and positioned in the center of the grinding cylinder, wherein a plurality of dispersion discs rotating along with the rotating shaft are axially arranged at intervals on the rotating shaft, and the front end of the rotating shaft is detachably provided with a centrifugal wheel through a centrifugal wheel gland; the centrifugal wheel comprises a cover body and a cylinder body which are integrally formed, and a gland mounting hole is formed in the middle of the cover body; the centrifugal wheel gland fixes the centrifugal wheel at the front end of the rotating shaft along the gland mounting hole through a bolt; the barrel is uniformly provided with discharge holes which are arranged as inclined holes; the discharge hole which is obliquely and hollowly arranged is additionally arranged on the surface of the centrifugal wheel, so that the separation speed of the grinding medium and the material is improved.
Description
Technical Field
The invention relates to the technical field of sand mills, in particular to an intelligent high-efficiency centrifugal discharging system of a sand mill.
Background
The working principle of the sand mill is that a material pump is used for inputting a solid-liquid phase mixed material subjected to pre-dispersion and wetting treatment by a stirrer into a grinding cylinder, a rotating shaft drives a grinding disc in the grinding cylinder to rotate at a high speed, and mechanical energy is transmitted to grinding media (also called zirconia beads) in the grinding cylinder, so that the material and the grinding media rotate at a high speed together.
The solid particles in the material and the grinding medium generate strong collision, friction and shearing action mutually in the rotating process, so that the material reaches a certain fineness, and then the material flows out of the discharge pipe after the grinding medium is separated by the separator.
At present, the separation device of the sand mill usually adopts a rotor and a screen mesh which are matched for separating materials and grinding media. However, the existing rotor (centrifugal wheel) and screen have single structure, so that the separation effect of materials and media is poor, and the separation efficiency is low.
Disclosure of Invention
The invention aims to solve the problems of poor separation effect and low separation efficiency of the existing sand mill discharging system and provides an intelligent high-efficiency centrifugal discharging system of a sand mill.
An intelligent high-efficiency centrifugal discharging system of a sand mill comprises a grinding cylinder and a rotating shaft, wherein the front end and the rear end of the grinding cylinder are respectively provided with a discharging pipe and a feeding pipe, the grinding cylinder is sealed by a rear machine seal and a front end cover, the rotating shaft penetrates through the rear machine seal and is positioned in the center of the grinding cylinder, a plurality of dispersion discs rotating along with the rotating shaft are axially arranged at intervals on the rotating shaft, and the front end of the rotating shaft is detachably provided with a centrifugal wheel through a centrifugal wheel gland;
the centrifugal wheel comprises a cover body and a cylinder body which are integrally formed, and a gland mounting hole is formed in the middle of the cover body; the centrifugal wheel gland fixes the centrifugal wheel at the front end of the rotating shaft along the gland mounting hole through a bolt; the barrel is uniformly provided with discharge holes which are arranged as inclined holes;
the middle part of the front end cover is fixedly provided with a discharging seat in an inserted manner, the discharging pipe is arranged on the outer side of the discharging seat, the inner side of the discharging seat is provided with a sieve ring in an inserted manner, and the other side of the sieve ring is provided with a sieve ring sealing cover; the discharge pipe is communicated with the sieve ring, and discharge gaps are uniformly formed in the surface of the sieve ring; the screen ring is positioned in the cylinder body.
Furthermore, the cover body is also provided with a limiting hole, and the limiting hole is positioned on the edge of the gland mounting hole; and the centrifugal wheel gland is provided with a limiting pin corresponding to the limiting hole.
Furthermore, the width of the discharge gap is set to be 0.1 mm-1 mm.
Further, medium flowing holes A are uniformly arranged on the surface of the dispersion disc in a hollow manner; the cover body is provided with a medium flowing hole B; the medium flowing holes A and the medium flowing holes B are arranged in a staggered mode.
Furthermore, an elastic washer is arranged between the centrifugal wheel and the front end of the rotating shaft.
Furthermore, an O-shaped gasket is arranged at the sealing connection position of the discharging seat and the front end cover.
The invention has the beneficial effects that: 1. the discharge hole which is obliquely and hollowly arranged is additionally arranged on the surface of the centrifugal wheel, so that the separation speed of the grinding medium and the material is improved. 2. Through setting up crisscross constitution medium flow hole A and medium flow hole B, strengthened collision, friction and the shearing action between material and the medium, improve the grinding ability.
Drawings
FIG. 1 is a schematic view of the overall structure of a discharge system;
FIG. 2 is a schematic view of a centrifugal wheel;
FIG. 3 is another schematic view of the centrifugal wheel;
FIG. 4 is a schematic diagram of a screen configuration;
in the figure, 1-rotating shaft, 2-grinding cylinder, 3-dispersion disc, 4-centrifugal wheel, 5-discharging seat, 6-centrifugal wheel gland, 7-sieve ring gland, 8-sieve ring, 9-front end cover, 10-discharging pipe, 11-rear machine seal, 12-feeding pipe, 31-medium flow hole A, 51-O type gasket, 40-elastic gasket, 41-cylinder, 42-cover body, 43-discharging hole, 44-medium flow hole B, 45-gland mounting hole, 46-limiting hole and 81-discharging gap.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
Example 1
As shown in fig. 1 to 4, an intelligent high-efficiency centrifugal discharging system of a sand mill comprises a grinding cylinder 2 and a rotating shaft 1, wherein the front end and the rear end of the grinding cylinder are respectively provided with a discharging pipe 10 and a feeding pipe 12, the grinding cylinder 2 is sealed by a rear machine seal 11 and a front end cover 9, the rotating shaft 1 penetrates through the rear machine seal 11 and is positioned at the center of the grinding cylinder, a plurality of dispersion discs 3 rotating along with the rotating shaft are axially arranged at intervals on the rotating shaft 1, and the dispersion discs 3 can be in a circular or three-eccentric form, or can be in an oval or other irregular shape.
The front end of the rotating shaft 1 is detachably provided with a centrifugal wheel 4 through a centrifugal wheel gland 6; the arrangement mode of the structure can be conveniently disassembled or assembled when needing to be replaced or maintained without disassembling the rotating shaft 1.
The centrifugal wheel 4 comprises a cover body 42 and a cylinder body 41 which are integrally formed, and a gland mounting hole 45 is formed in the middle of the cover body 42; the centrifugal wheel gland 6 fixes the centrifugal wheel 4 at the front end of the rotating shaft 1 along the gland mounting hole 45 through a bolt; in order to ensure that the centrifugal wheel 4 can stably rotate along with the rotating shaft 1, a limiting hole 46 is further formed in the cover body 42, and the limiting hole 46 is located on the edge of the gland mounting hole 45; the centrifugal wheel gland 6 is provided with a limit pin corresponding to the limit hole 46.
In order to reduce mechanical wear between the centrifugal wheel 4 and the rotating shaft 1, an elastic washer 40 is also arranged between the centrifugal wheel 4 and the front end of the rotating shaft 1. Specifically, as shown in fig. 3, a rear gland mounting hole 45 of the centrifugal wheel 4 extends outward, and the elastic washer 40 is sleeved on the extending section.
The cylinder 41 is uniformly provided with discharge holes 43, and the discharge holes 43 are inclined holes; the discharge opening that the slope fretwork set up can grind once more when the separation region, has further improved sand mill's grinding precision.
On the other hand, the discharge hole 43 is arranged at the cylinder 41, which can reduce the rotation resistance, reduce the weight of the centrifugal wheel, and reduce the energy consumption, so that the grinding medium is more fully exchanged in the axial circulation in the grinding cylinder 2, thereby reducing the working pressure in the grinding cylinder 2, shortening the grinding time, and improving the discharge speed and the grinding efficiency.
The middle part of the front end cover 9 is fixedly provided with a discharging seat 5 in an inserting mode, and in order to increase the sealing performance between the discharging seat 5 and the front end cover 9, an O-shaped gasket 51 is arranged at the sealing connection part of the discharging seat 5 and the front end cover 9.
The discharge pipe 10 is arranged on the outer side of the discharge seat 5, the inner side of the discharge seat 5 is provided with a sieve ring 8 in an inserted manner, and the other side of the sieve ring 8 is provided with a sieve ring sealing cover 7; specifically, as shown in fig. 4, two ends of the sieve ring 8 extend outward respectively, annular grooves with the same size as the extension sections of the sieve ring 8 are formed in the inner sides of the sieve ring cover 7 and the discharge seat 5 respectively, the extension sections of the sieve ring are inserted into the annular grooves to realize the fixed installation of the sieve ring 8, the discharge pipe 10 is communicated with the sieve ring 8, and discharge gaps 81 are uniformly formed in the surface of the sieve ring 8; the width of the discharge gap 81 is set to be 0.1 mm-1 mm. According to customer's demand, can set up the sieve ring 8 of different ejection of compact clearance widths.
The screen ring 8 is located in the cylinder 41. A certain radial clearance is maintained between the screen ring 8 and the cylinder 41 of the centrifugal wheel 4 for sufficient separation of the grinding media. Between the screen ring 8 and the centrifugal wheel 4, the grinding material and the grinding medium can be fully separated by utilizing the dynamic centrifugal separation principle.
Medium flowing holes A31 are uniformly hollowed in the surface of the dispersion disc 3; the cover body 42 is provided with a medium flow hole B44; the medium flow holes a31 and the medium flow holes B44 are arranged alternately. Through setting up crisscross constitution medium flow hole A and medium flow hole B, strengthened collision, friction and the shearing action between material and the medium, improve the grinding ability.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (6)
1. The utility model provides a high-efficient sand mill centrifugation ejection of compact system of intelligence, is equipped with discharging pipe (10) and inlet pipe (12) respectively including a front end and rear end and seals (11), front end housing (9) sealed grinding vessel (2) and pass after machine and seal (11) pivot (1) that are located the grinding vessel center, pivot (1) axial interval is provided with along with pivot pivoted several dispersion impeller (3), its characterized in that: the front end of the rotating shaft (1) is detachably provided with a centrifugal wheel (4) through a centrifugal wheel gland (6);
the centrifugal wheel (4) comprises a cover body (42) and a cylinder body (41) which are integrally formed, and a gland mounting hole (45) is formed in the middle of the cover body (42); the centrifugal wheel gland (6) fixes the centrifugal wheel (4) at the front end of the rotating shaft (1) along the gland mounting hole (45) through a bolt; the barrel body (41) is uniformly provided with discharge holes (43), and the discharge holes (43) are arranged to be inclined holes;
the middle part of the front end cover (9) is fixedly provided with a discharging seat (5) in an inserted connection mode, the discharging pipe (10) is installed on the outer side of the discharging seat (5), the inner side of the discharging seat (5) is provided with a sieve ring (8) in an inserted connection mode, and the other side of the sieve ring (8) is provided with a sieve ring sealing cover (7); the discharge pipe (10) is communicated with the sieve ring (8), and discharge gaps (81) are uniformly formed in the surface of the sieve ring (8); the screen ring (8) is positioned in the cylinder body (41).
2. The centrifugal discharging system of the intelligent high-efficiency sand mill as claimed in claim 1, wherein: the cover body (42) is also provided with a limiting hole (46), and the limiting hole (46) is positioned on the edge of the gland mounting hole (45); and a limiting pin corresponding to the limiting hole (46) is arranged on the centrifugal wheel gland (6).
3. The centrifugal discharging system of the intelligent high-efficiency sand mill as claimed in claim 1, wherein: the width of the discharging gap (81) is set to be 0.1 mm-1 mm.
4. The centrifugal discharging system of the intelligent high-efficiency sand mill as claimed in claim 1, wherein: medium flowing holes A (31) are uniformly hollowed in the surface of the dispersion disc (3); the cover body (42) is provided with a medium flowing hole B (44); the medium flow holes A (31) and the medium flow holes B (44) are arranged alternately.
5. The centrifugal discharging system of the intelligent high-efficiency sand mill as claimed in claim 1, wherein: an elastic washer (40) is arranged between the centrifugal wheel (4) and the front end of the rotating shaft (1).
6. The centrifugal discharging system of the intelligent high-efficiency sand mill as claimed in claim 1, wherein: an O-shaped gasket (51) is arranged at the sealing connection position of the discharging seat (5) and the front end cover (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210128410.9A CN114433311A (en) | 2022-02-11 | 2022-02-11 | High-efficient sand mill centrifugation discharge system of intelligence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210128410.9A CN114433311A (en) | 2022-02-11 | 2022-02-11 | High-efficient sand mill centrifugation discharge system of intelligence |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114433311A true CN114433311A (en) | 2022-05-06 |
Family
ID=81372598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210128410.9A Pending CN114433311A (en) | 2022-02-11 | 2022-02-11 | High-efficient sand mill centrifugation discharge system of intelligence |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114433311A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115770650A (en) * | 2022-12-30 | 2023-03-10 | 河北益诺森水墨有限公司 | Environment-friendly water-based ink grinding processing equipment for transfer printing and grinding process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201596542U (en) * | 2009-12-29 | 2010-10-06 | 雷立猛 | Dynamic centrifugal discharge system of disc type sand grinder |
| CN204685202U (en) * | 2015-04-03 | 2015-10-07 | 东莞市亿富机械科技有限公司 | A kind of nano-level grinder discharging rotation set |
| CN105833950A (en) * | 2016-05-16 | 2016-08-10 | 怡成屏障（张家港）科技有限公司 | Coating sand mill for producing environment-friendly and low-carbon coating |
| CN111389525A (en) * | 2020-04-25 | 2020-07-10 | 东莞市华汇精密机械有限公司 | Trapezoidal laminated nano sand mill |
| CN113856841A (en) * | 2021-09-23 | 2021-12-31 | 深圳市叁星飞荣机械有限公司 | Circulating grinding mechanism of sand mill and sand mill |
-
2022
- 2022-02-11 CN CN202210128410.9A patent/CN114433311A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201596542U (en) * | 2009-12-29 | 2010-10-06 | 雷立猛 | Dynamic centrifugal discharge system of disc type sand grinder |
| CN204685202U (en) * | 2015-04-03 | 2015-10-07 | 东莞市亿富机械科技有限公司 | A kind of nano-level grinder discharging rotation set |
| CN105833950A (en) * | 2016-05-16 | 2016-08-10 | 怡成屏障（张家港）科技有限公司 | Coating sand mill for producing environment-friendly and low-carbon coating |
| CN111389525A (en) * | 2020-04-25 | 2020-07-10 | 东莞市华汇精密机械有限公司 | Trapezoidal laminated nano sand mill |
| CN113856841A (en) * | 2021-09-23 | 2021-12-31 | 深圳市叁星飞荣机械有限公司 | Circulating grinding mechanism of sand mill and sand mill |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115770650A (en) * | 2022-12-30 | 2023-03-10 | 河北益诺森水墨有限公司 | Environment-friendly water-based ink grinding processing equipment for transfer printing and grinding process |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20220506 |