CN105396683A - Powder grader for external circulation milling machine - Google Patents
Powder grader for external circulation milling machine Download PDFInfo
- Publication number
- CN105396683A CN105396683A CN201510881420.XA CN201510881420A CN105396683A CN 105396683 A CN105396683 A CN 105396683A CN 201510881420 A CN201510881420 A CN 201510881420A CN 105396683 A CN105396683 A CN 105396683A
- Authority
- CN
- China
- Prior art keywords
- powder
- grader
- cover cylinder
- cylinder
- base plate
- 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.)
- Granted
Links
- 239000000843 powder Substances 0.000 title claims abstract description 98
- 238000003801 milling Methods 0.000 title abstract description 6
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 235000013312 flour Nutrition 0.000 claims description 20
- 238000007599 discharging Methods 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 12
- 238000007790 scraping Methods 0.000 claims description 11
- 238000010009 beating Methods 0.000 claims description 7
- 238000009827 uniform distribution Methods 0.000 claims description 7
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 13
- 239000000725 suspension Substances 0.000 abstract description 4
- 238000007780 powder milling Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 description 6
- 238000000605 extraction Methods 0.000 description 5
- 230000002950 deficient Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000012054 meals Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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
- 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
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/20—Adding fluid, other than for crushing or disintegrating by fluid energy after crushing or disintegrating
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a powder grader for an external circulation milling machine. The powder grader comprises a grading machine, wherein the grading machine is installed on a bottom plate or a hopper through a covering cylinder; an air inlet which communicates with the atmosphere is formed in the covering cylinder, or an air return tank which communicates with an air return pipeline is arranged on the covering cylinder; a powder milling disc which rotates when driven by a transmission mechanism is coaxially arranged in a cylinder body of the grading machine and the covering cylinder or in the covering cylinder; a feeding hole of the grader is formed in the cylinder body of the grading machine or the covering cylinder; a powder feeding pipe enters the grading machine or the covering cylinder through the feeding hole; a charging hole of the powder feeding pipe is formed above the powder milling disc; and a discharge hole of the grader is formed in the bottom plate, or a ventage of the hopper is the discharge hole of the grader. The powder grader can effectively disperse sticky powder, facilitates suspension of dust in the covering cylinder, reduces falling of the powder and creates a good grading environment for the grading machine.
Description
Technical field
The present invention relates to powder process equipment, is a kind of outer circulation flour mill particle classifying device specifically.
Background technology:
Flour mill is the equipment of breeze industry extensive use.
On the basis of powder tradition Inner eycle classification, flour mill has developed into the powder outer circulation classification stage, and the powder of namely milling in abrasive dust main frame is by the outer hierarchy system of base blanking port ingress engine.
The outer hierarchy system of described machine conventionally comprises grading, lifting machine, return lifting machine, grader and cyclone separator, the charging aperture of described grading, lifting machine passes through the blanking port of pipeline connection abrasive dust main frame, the discharging opening of grading, lifting machine passes through the charging aperture of pipeline connection grader, the discharging opening of described grader qualified products passes through the charging aperture of pipeline connection cyclone separator, the discharging opening of grader substandard product passes through the charging aperture of pipeline connection return lifting machine, and the discharging opening of described return lifting machine passes through the material inlet of pipeline connection abrasive dust main frame.
Described grader is arranged on the cover cylinder with air-intaking box, the discharging opening of grader substandard product is the hopper bottom cover cylinder, normal conditions, the powder entered from grader charging aperture is sticked together, even if under the action of the forces of the wind, powder is difficult to form dust-like in dropping process, and most powder directly returns return lifting machine from the hopper bottom cover cylinder and participates in again milling of abrasive dust main frame, so cause the task performance of grader low, finally cause the production capacity of flour mill low.
Summary of the invention
For the deficiencies in the prior art, technical problem to be solved by this invention proposes a kind of outer circulation flour mill particle classifying device increasing substantially production capacity.
The outer circulation flour mill particle classifying device that can solve the problems of the technologies described above, its technical scheme comprises grader, difference is that described grader is installed on base plate by cover cylinder or is installed on hopper, the open to atmosphere air inlet of the company of offering or be provided with and be communicated with the air-intaking box of air return pipeline on described cover cylinder, coaxially be provided with in grader and cover cylinder or in cover cylinder rotate under transmission mechanism drives play powder dish, on the cylindrical shell that the charging aperture of clasfficiator is opened in grader or cover cylinder, powder inlet pipe enters in grader or cover cylinder by charging aperture, the blanking port of described powder inlet pipe is in the top playing powder dish, the discharging opening of clasfficiator is opened on base plate or the leak of hopper is the discharging opening of clasfficiator.
A kind of structure of described transmission mechanism comprises the main shaft with being located in grader and cover cylinder or in cover cylinder, the lower end of described main shaft is installed on base plate by bearing block, describedly beat the upper end that powder dish is installed on main shaft, or transmission mechanism is be installed on the gear in grader or in cover cylinder, described powder dish of beating is installed on the output shaft of gear.
For ease of discharging, arrange material scraping plate corresponding to the discharging opening on base plate, described material scraping plate circumference radial equipartition is also connected with main shaft.
Described a kind of structure of playing powder dish comprises disk body, deflector chute and hits powder agglomates, and radial deflector chute circumference uniform distribution is located on disk body, or spiral helicine deflector chute circumference uniform distribution is located on disk body, described in hit the notch place that powder agglomates correspondence is located at the deflector chute at disk body edge.
For ease of blanking, from outer to inner, described powder inlet pipe forward downward tilts.
Beneficial effect of the present invention:
1, outer circulation flour mill particle classifying device of the present invention is played powder dish and is broken up the powder entered by design and in cover cylinder, form dust, solves powder in conventional feeds mode and to bond together the problem of not easily disperseing.
2, arrange base plate bottom cover cylinder of the present invention, avoid cover cylinder and extraneous degree of opening, the formation intensity of the air-flow that is conducive to raising up in cover cylinder, promotes the suspension of dust, reduces the whereabouts of powder, for good classification environment created by grader.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first embodiment of the present invention.
Fig. 2 is the structural representation of the second embodiment of the present invention.
Fig. 3 is the structural representation playing powder dish, material scraping plate, main shaft, powder inlet pipe assembly in Fig. 1, Fig. 2.
Fig. 4 is the structural representation of the third embodiment of the present invention.
Fig. 5 is the structural representation of the present invention's the 4th kind of embodiment.
Fig. 6 is the structural representation playing powder dish, main shaft, powder inlet pipe assembly in Fig. 4, Fig. 5.
Figure number identifies: 1, grader; 2, cover cylinder; 3, base plate; 4, air-intaking box; 5, powder dish is played; 6, powder inlet pipe; 7, main shaft; 8, bearing block; 9, discharging opening; 10, material scraping plate; 11, powder agglomates is hit; 12, deflector chute; 13, flour extraction pipe; 14, air inlet; 15, air inlet; 16, hopper; 17, gear; 18, power transmission shaft.
Detailed description of the invention
Below in conjunction with accompanying drawing illustrated embodiment, technical scheme of the present invention is described further.
One, the technical scheme of outer circulation flour mill particle classifying device of the present invention comprises grader 1, cover cylinder 2, air-intaking box 4, base plate 3, beats powder dish 5, main shaft 7 and material scraping plate 10.
Described cover cylinder 2 is installed on base plate 3, the lower cylinder of described grader 1 and cover cylinder 2 top abutting joint, and described air-intaking box 4 is arranged around the bottom of cover cylinder 2, and the air inlet 14 of air-intaking box 4 is outwards communicated with air return pipeline, is inwardly communicated with cover cylinder 2 inner chamber; Described main shaft 7 is coaxial in cover cylinder 2 to be arranged, and the lower end of main shaft 7 to be stretched out bottom base plate 3 and installed by the bearing block 8 arranged bottom base plate 3, and described powder dish 5 of beating is installed on main shaft 7 upper end in upper lid cylinder 2; Grader 1 lower cylinder offers charging aperture and passes into powder inlet pipe 6, the described oblique below of powder inlet pipe 6 enters in cover cylinder 2, the blanking port of powder inlet pipe 6 is in the disk body overcentre playing powder dish 5, base plate 3 is offered discharging opening 9 and be communicated with flour extraction pipe 13, the radial material scraping plate 10 of circumference uniform distribution is set on base plate 3 corresponding to discharging opening 9, described material scraping plate 10 is arranged on main shaft 7 by axle sleeve, as shown in Figure 1, Figure 3.
Described powder dish 5 of beating comprises disk body, deflector chute 12 and hits powder agglomates 11, helical form deflector chute 12 circumference uniform distribution be divided into by spiral plate is located on disk body, the notch place being in each deflector chute 12 at disk body edge arranges and hits powder agglomates 11, the described block hitting powder agglomates 11 upward and tilting to the rotation direction of playing powder dish 5, as shown in Figure 3.
In said structure, also can offer air inlet 15 and carry out alternative air-intaking box 4 on cover cylinder 2, described air inlet 15 is communicated with air, can reach the technique effect adopting air-intaking box 4 equally, as shown in Figure 2.
If locus is enough, can offer charging aperture on the barrel of cover cylinder 2 top, powder inlet pipe 6 enters from charging aperture is oblique the disk body overcentre arriving in cover cylinder 2 and play powder dish 5; For simplifying processing and fabricating, deflector chute 12 also can be set to radial direction.
The method of operation of the present invention:
1, the drive motors of described grader 1 and main shaft 7 starts, and under the drive of main shaft 7, beats powder dish 5 and material scraping plate 10 and starts rotation.
2, powder to enter and in the central blanking playing powder dish 5, due to the effect of centrifugal force, powder outwards flies out from the deflector chute 12 playing powder dish 5 from powder inlet pipe 6, powder with beat hitting after powder agglomates 11 bumps against of powder dish 5 and be separated into dust.
3, the air-flow that raises up be formed in cover cylinder 2 by air-intaking box 4 or air inlet 15 makes dust suspension be full of the inner chamber of whole cover cylinder 2.
4, meanwhile grader 1 starts sorting work, and qualified powder (meeting the fine powder of order number requirement) enters collector from the discharging opening of grader 1, falls within the base plate 3 bottom cover cylinder 2 under defective powder (meal).
5, the collection defective powder sunk on base plate 3 is discharged from discharging opening 9 by material scraping plate 10 continuously, and imports again milling of return lifting machine participation abrasive dust main frame through flour extraction pipe 13.
Two, the technical scheme of outer circulation flour mill particle classifying device of the present invention comprises grader 1, cover cylinder 2, air-intaking box 4, hopper 16 and plays powder dish 5.
Described cover cylinder 2 is installed on hopper 16, the lower cylinder of described grader 1 and cover cylinder 2 top abutting joint, and described air-intaking box 4 is arranged around the bottom of cover cylinder 2, and the air inlet 14 of air-intaking box 4 is outwards communicated with air return pipeline, is inwardly communicated with cover cylinder 2 inner chamber; Described powder dish 5 of beating is arranged in upper lid cylinder 2, and is coaxially arranged on the vertical output shaft of the gear 17 that cover cylinder 2 is fixedly installed, and the horizontal input shaft of described gear 17 connects horizontal power transmission shaft 18, and described power transmission shaft 18 is installed on cover cylinder 2 wall; Grader 1 lower cylinder offers charging aperture and passes into powder inlet pipe 6, the described oblique below of powder inlet pipe 6 enters in cover cylinder 2, and the blanking port of powder inlet pipe 6 is in the disk body overcentre playing powder dish 5, and the leak of hopper 16 is communicated with flour extraction pipe 13, as shown in Fig. 4, Fig. 6.
Described powder dish 5 of beating comprises disk body, deflector chute 12 and hits powder agglomates 11, helical form deflector chute 12 circumference uniform distribution be divided into by spiral plate is located on disk body, the notch place being in each deflector chute 12 at disk body edge arranges and hits powder agglomates 11, the described block hitting powder agglomates 11 upward and tilting to the rotation direction of playing powder dish 5, as shown in Figure 6.
In said structure, also can offer air inlet 15 and carry out alternative air-intaking box 4 on cover cylinder 2, described air inlet 15 is communicated with air, can reach the technique effect adopting air-intaking box 4 equally, as shown in Figure 5.
If locus is enough, can offer charging aperture on the barrel of cover cylinder 2 top, powder inlet pipe 6 enters from charging aperture is oblique the disk body overcentre arriving in cover cylinder 2 and play powder dish 5; For simplifying processing and fabricating, deflector chute 12 also can be set to radial direction.
The method of operation of the present invention:
1, the drive motors of described grader 1 and power transmission shaft 18 starts, and under the drive of power transmission shaft 18, plays powder dish 5 and starts to rotate.
2, powder to enter and in the central blanking playing powder dish 5, due to the effect of centrifugal force, powder outwards flies out from the deflector chute 12 playing powder dish 5 from powder inlet pipe 6, powder with beat hitting after powder agglomates 11 bumps against of powder dish 5 and be separated into dust.
3, the air-flow that raises up be formed in cover cylinder 2 by air-intaking box 4 or air inlet 15 makes dust suspension be full of the inner chamber of whole cover cylinder 2.
4, meanwhile grader 1 starts sorting work, qualified powder (meeting the fine powder of order number requirement) enters collector from the discharging opening of grader 1, fall within defective powder (meal) in hopper 16 and collect and discharge from the leak of hopper 16, the defective powder of discharge imports return lifting machine through flour extraction pipe 13 and participates in again milling of abrasive dust main frame.
Claims (5)
1. outer circulation flour mill particle classifying device, comprise grader (1), it is characterized in that: described grader (1) is installed on base plate (3) by cover cylinder (2) or is installed on hopper (16), the open to atmosphere air inlet of the company of offering (15) or be provided with and be communicated with the air-intaking box (4) of air return pipeline on described cover cylinder (2), coaxially be provided with in the cylindrical shell of described grader (1) and cover cylinder (2) or in cover cylinder (2) rotate under transmission mechanism drives play powder dish (5), on the cylindrical shell that the charging aperture of clasfficiator is opened in grader (1) or on cover cylinder (2), powder inlet pipe (6) enters in grader (1) or in cover cylinder (2) by charging aperture, the blanking port of described powder inlet pipe (6) is in the top playing powder dish (5), the discharging opening (9) of clasfficiator is opened in the discharging opening (9) that base plate (3) leak that is upper or hopper (16) is clasfficiator.
2. outer circulation flour mill particle classifying device according to claim 1, it is characterized in that: described transmission mechanism comprises the main shaft (7) with being located in grader (1) and cover cylinder (2) or in cover cylinder (2), the lower end of described main shaft (7) is installed on base plate (3) by bearing block (8), describedly beat the upper end that powder dish (5) is installed on main shaft (7), or transmission mechanism is for being installed on the gear (17) in grader (1) or in cover cylinder (2), described powder dish (5) of beating is installed on the output shaft of gear (17).
3. outer circulation flour mill particle classifying device according to claim 2, it is characterized in that: arrange material scraping plate (10) corresponding to the discharging opening (9) on base plate (3), described material scraping plate (10) circumference radial equipartition is also connected with main shaft (7).
4. according to the outer circulation flour mill particle classifying device in claims 1 to 3 described in any one, it is characterized in that: described powder dish (5) of beating comprises disk body, deflector chute (12) and hits powder agglomates (11), radial deflector chute (12) circumference uniform distribution is located on disk body, or spiral helicine deflector chute (12) circumference uniform distribution is located on disk body, described in hit the notch place that powder agglomates (11) correspondence is located at the deflector chute (12) at disk body edge.
5. according to the outer circulation flour mill particle classifying device in claims 1 to 3 described in any one, it is characterized in that: from outer to inner, described powder inlet pipe (6) forward downward tilts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510881420.XA CN105396683B (en) | 2015-12-04 | 2015-12-04 | Outer circulation flour mill particle classifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510881420.XA CN105396683B (en) | 2015-12-04 | 2015-12-04 | Outer circulation flour mill particle classifying device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105396683A true CN105396683A (en) | 2016-03-16 |
| CN105396683B CN105396683B (en) | 2017-11-10 |
Family
ID=55462631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510881420.XA Active CN105396683B (en) | 2015-12-04 | 2015-12-04 | Outer circulation flour mill particle classifying device |
Country Status (1)
| Country | Link |
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| CN (1) | CN105396683B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB858295A (en) * | 1956-11-12 | 1961-01-11 | Hans Stern | Improvements in or relating to apparatus for the classification of materials or breaking down of agglomerations of particles into their fractions |
| CN2626611Y (en) * | 2003-06-12 | 2004-07-21 | 谢在岌 | Stereoscopic high speed whirling grinder |
| CN101745503A (en) * | 2009-10-28 | 2010-06-23 | 合肥水泥研究设计院 | Combined type classifier |
| CN201529279U (en) * | 2009-11-30 | 2010-07-21 | 陈欢 | Steam disinfection cabinet |
| CN202087528U (en) * | 2011-04-29 | 2011-12-28 | 四川巨子超微科技有限公司 | Secondary grading grader |
| CN103272676A (en) * | 2013-05-22 | 2013-09-04 | 南通澳润建材科技有限公司 | Scatter grading device |
| CN205236152U (en) * | 2015-12-04 | 2016-05-18 | 桂林晟兴机械制造有限公司 | Extrinsic cycle milling machine powder classificator |
-
2015
- 2015-12-04 CN CN201510881420.XA patent/CN105396683B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB858295A (en) * | 1956-11-12 | 1961-01-11 | Hans Stern | Improvements in or relating to apparatus for the classification of materials or breaking down of agglomerations of particles into their fractions |
| CN2626611Y (en) * | 2003-06-12 | 2004-07-21 | 谢在岌 | Stereoscopic high speed whirling grinder |
| CN101745503A (en) * | 2009-10-28 | 2010-06-23 | 合肥水泥研究设计院 | Combined type classifier |
| CN201529279U (en) * | 2009-11-30 | 2010-07-21 | 陈欢 | Steam disinfection cabinet |
| CN202087528U (en) * | 2011-04-29 | 2011-12-28 | 四川巨子超微科技有限公司 | Secondary grading grader |
| CN103272676A (en) * | 2013-05-22 | 2013-09-04 | 南通澳润建材科技有限公司 | Scatter grading device |
| CN205236152U (en) * | 2015-12-04 | 2016-05-18 | 桂林晟兴机械制造有限公司 | Extrinsic cycle milling machine powder classificator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105396683B (en) | 2017-11-10 |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181116 Address after: 541004 Unit 2, Building 4, Luan Road, Qixing District, Guilin City, Guangxi Zhuang Autonomous Region Patentee after: Xiao Wenlong Address before: 541805 Suqiao Fulong Garden, Guilin City, Guangxi Zhuang Autonomous Region Patentee before: Guilin Shengxing Machinery Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190125 Address after: 541805 Fulong Industrial Park, Suqiao New District, Yongfu County, Guilin City, Guangxi Zhuang Autonomous Region Patentee after: Guilin Shengxing Machinery Co.,Ltd. Address before: 541004 Unit 2, Building 4, Luan Road, Qixing District, Guilin City, Guangxi Zhuang Autonomous Region Patentee before: Xiao Wenlong |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190822 Address after: 525011 No. 108 Hongqi South Road, Maonan District, Maoming City, Guangdong Province Patentee after: Wu Bin Address before: Yongfu County, Guilin city 541805 the Guangxi Zhuang Autonomous Region Su Qiao District Fulong Industrial Park Patentee before: Guilin Shengxing Machinery Co.,Ltd. |
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| TR01 | Transfer of patent right |