CN109365079B - Grain grinder capable of reducing dust concentration - Google Patents
Grain grinder capable of reducing dust concentration Download PDFInfo
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- CN109365079B CN109365079B CN201811481208.4A CN201811481208A CN109365079B CN 109365079 B CN109365079 B CN 109365079B CN 201811481208 A CN201811481208 A CN 201811481208A CN 109365079 B CN109365079 B CN 109365079B
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- 239000000428 dust Substances 0.000 title claims abstract description 122
- 230000000903 blocking effect Effects 0.000 claims abstract description 29
- 230000008878 coupling Effects 0.000 claims abstract description 14
- 238000010168 coupling process Methods 0.000 claims abstract description 14
- 238000005859 coupling reaction Methods 0.000 claims abstract description 14
- 238000007599 discharging Methods 0.000 claims description 21
- 238000011084 recovery Methods 0.000 claims description 20
- 238000001914 filtration Methods 0.000 claims description 16
- 238000005192 partition Methods 0.000 claims description 10
- 239000011148 porous material Substances 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 235000013339 cereals Nutrition 0.000 description 68
- 230000000694 effects Effects 0.000 description 19
- 238000000227 grinding Methods 0.000 description 13
- 230000000630 rising effect Effects 0.000 description 10
- 239000002245 particle Substances 0.000 description 4
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/08—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
- B02C18/10—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with drive arranged above container
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
Abstract
The invention discloses a grain grinder capable of reducing dust concentration, which comprises: a housing; a first crushing device; the filter cylinder is positioned at the upper part in the shell and surrounds the first crushing device, the filter cylinder comprises a first part, a second part and a third part which are fixedly connected in sequence from top to bottom, a plurality of dust blocking cylinders are coaxially arranged in the first part, and the lower edge of the third part is sealed with a bottom plate; the division board, its horizontal rigid coupling the inner wall of casing just is located the cartridge filter below, a plurality of dust components of lower surface rigid coupling of division board, every dust component all includes: a discharge barrel and a plurality of groups of dust baffles; a second crushing device; and the filter screen is obliquely and fixedly connected with the inner wall of the shell and is positioned below the second crushing device. The invention has the advantages of preventing the dust from escaping in the process of crushing the grains and reducing the concentration of the dust in the grain processing workshop.
Description
Technical Field
The invention relates to a grain grinder. More specifically, the invention relates to a grain grinder capable of reducing dust concentration, and belongs to the technical field of grain processing equipment.
Background
The existing grain grinder can generate a large amount of dust in the grain grinding process, the dust rises in the grain grinder and escapes from a feed inlet, the dust drifts into a grain processing workshop and is very easy to be sucked by a human body, the dust can generate a great burden on the lung of the human body after being sucked, and the human health can be seriously harmed by long-term operation in the environment with high dust concentration. However, most grain grinder still can not prevent the effusion of crushing in-process dust at present, and then reduce the concentration of dust in the cereal processing workshop, though also can be through spraying water in order to reduce dust concentration in the cereal processing workshop at present, but the dust fall effect of this kind of measure is not obvious, moreover can the humidity in the greatly increased cereal processing workshop behind the water spray, cause the caking of cereal powder crushed aggregates to adhere easily, this not only can greatly reduced crushing effect, still can seriously influence the normal use of rubbing crusher. Therefore, how to design a grain grinder which can effectively reduce the dust concentration and ensure the grinding effect is a problem which needs to be solved urgently in the field of grain processing equipment at present.
Disclosure of Invention
An object of the present invention is to provide a grain grinder capable of reducing the concentration of dust, which can effectively prevent the escape of dust during the grinding of grains, reduce the concentration of dust in a grain processing plant, and simultaneously ensure the grinding effect of grains.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a grain grinder that can reduce dust concentration, including:
the top of the shell is provided with a feed inlet, the bottom of the shell is provided with a discharge outlet, and the side wall of the shell is provided with a first recovery port and a second recovery port;
the first crushing device is positioned at the upper part in the shell and comprises a first motor, a first rotating shaft and a plurality of first blades which are sequentially connected, wherein the first rotating shaft is vertically arranged, the first blades are arranged in parallel along the length direction of the first rotating shaft at equal intervals, the first blades comprise four square sub-blades, the four sub-blades are obliquely and downwards fixedly arranged on the first rotating shaft at an angle of 45 degrees, and the top ends of the four sub-blades are positioned on the same horizontal plane of the first rotating shaft and are uniformly distributed;
the filter cylinder is positioned at the upper part in the shell and surrounds the first crushing device, the filter cylinder is of a hollow round-table-shaped open structure with a small upper part and a large lower part, the filter cylinder is coaxially arranged with the first rotating shaft, the filter cylinder comprises a first part, a second part and a third part which are fixedly connected with each other from top to bottom in sequence, the upper edge of the first part is fixedly connected with the inner top surface of the shell, a plurality of dust blocking cylinders are coaxially arranged in the first part, the dust blocking cylinders are of a hollow round-table-shaped open structure with a large upper part and a small lower part, the dust blocking cylinders are arranged at equal intervals, the upper edges of the dust blocking cylinders are fixedly connected with the inner wall of the first part, the lengths of the inclined edges of the dust blocking cylinders on the vertical section are sequentially decreased from top to bottom, the included angle between each dust blocking cylinder and the horizontal plane is 30 degrees, and the thicknesses of the first part, the second part and the, The outer walls of the first part, the second part and the third part are parallel and level, the height ratio of the first part, the second part and the third part is 1:1:2, a plurality of circular filtering holes are formed in the first part, the second part and the third part, the filtering hole diameter ratio of the first part, the second part and the third part is 1:3:7, the lower edge of the third part is sealed with a bottom plate, the bottom plate is obliquely arranged, a plurality of circular filtering holes are formed in the bottom plate, the filtering hole diameter of the bottom plate is equal to that of the third part, and the feeding hole is located in the filter cylinder;
the division board, its horizontal rigid coupling the inner wall of casing just is located the cartridge filter below, it has a plurality of circular filtration pores to open on the division board, just the filtration pore diameter of crossing of division board with the filtration pore diameter of crossing of bottom plate equals, a plurality of dust components of keeping off of lower surface rigid coupling of division board, the vertical setting of a plurality of dust components just meets in proper order, and every dust component all includes: the discharging device comprises a discharging barrel and a plurality of groups of dust baffles, wherein the discharging barrel is funnel-shaped with an upward opening, the upper edge of the discharging barrel is fixedly connected with the lower surface of a partition plate, the plurality of groups of dust baffles are fixedly connected with the inner wall of the vertical part of the discharging barrel at equal intervals, each group of dust baffles comprises an upper dust baffle plate and a lower dust baffle plate which are arranged in a manner of inclining at an angle of 45 degrees and relatively staggering downwards, the bottom end of the upper dust baffle plate and the surface of the lower dust baffle plate form a discharging channel, a first recovery port is positioned between a bottom plate and the partition plate and is close to the lower end of the bottom plate, the first recovery port is connected with a discharging pipe, and the;
the second crushing device is positioned below the partition plate and comprises a second motor, a second rotating shaft and a plurality of second blades which are sequentially connected, wherein the second rotating shaft is horizontally arranged, the plurality of second blades are parallelly sleeved on the second rotating shaft at equal intervals, and a plurality of sawteeth are arranged on the periphery of each second blade;
the filter screen, its slope rigid coupling the inner wall of casing just is located the below of second reducing mechanism, the vibrating motor has set firmly on the filter screen, the second is retrieved the mouth and is located the filter screen with between the second reducing mechanism, and be close to the lower extreme of filter screen.
Preferably, the first motor is fixedly arranged in the center of the outer top surface of the shell, the second motor is fixedly arranged on the outer wall of the shell, and the vibration motor is fixedly arranged in the middle of the filter screen.
Preferably, the feed inlet is connected with the inlet pipe, the inlet pipe be close to the feed inlet part with contained angle between the casing top surface is 30 and the upper end orientation the axis of casing.
Preferably, the number of first blades is 3 and the number of second blades is 6.
Preferably, three groups of dust baffles are fixedly connected in each discharge barrel.
Preferably, the thickness ratio of the first portion, the second portion and the third portion is 2:1.5: 1.
The invention at least comprises the following beneficial effects:
(1) in the grinder provided by the invention, the first grinding device and the second grinding device can grind grains in two stages, so that the grain diameter of the ground grains meets the requirement, the grinding effect of the grains is ensured, and the first recovery port and the second recovery port can discharge the grains which do not meet the requirement of the grain diameter after being ground in the first grinding device and the second grinding device in time, so that the blockage of the filter cylinder and the filter screen is prevented, and the grinding effect is prevented from being influenced.
(2) The invention provides a pulverizer, wherein a filter cylinder comprises a first part, a second part and a third part, wherein, the plurality of dust blocking cylinders in the first part can block the rising dust and prevent the dust from escaping from the feed inlet, meanwhile, the diameters of the filtering holes of the first part, the second part and the third part are sequentially increased, and the height of the third part is the largest, so that most of the crushed grains can be filtered out from the third part, furthermore, the dust is concentrated at the middle-lower part of the filter cylinder as much as possible to prevent the dust from escaping, and the first part and the second part have large thickness to play a role of dust blocking and prevent the dust from rising and escaping, thereby effectively reduce dust concentration, in addition, the bottom plate slope setting of third part sealing-in can make the cereal that does not reach the particle diameter requirement discharge in the first time binding off of landing fast, ensures kibbling normal clear, guarantees the crushing effect of cereal.
(3) In the grinder provided by the invention, the plurality of dust blocking assemblies can prevent dust in the lower space from rising to the upper space and further escaping from the feed inlet, the second grinding device in the lower space is used for carrying out secondary grinding on grains, the grinding degree is larger at the moment, the generated dust amount is larger, the plurality of dust blocking assemblies can well block the dust and prevent the dust from rising, each dust blocking assembly comprises the discharge barrel and a plurality of groups of dust blocking plates, the discharge barrel can enable the grains ground at the upper part to fall down quickly, the plurality of groups of dust blocking plates can block the rising dust and prevent the dust from entering the upper space, the grains are prevented from escaping from the feed inlet, and the dust falling effect is further improved.
(4) The pulverizer provided by the invention can prevent dust from escaping from the feed inlet while ensuring the pulverizing effect of grains, and effectively reduce the concentration of the dust in a grain processing workshop, thereby purifying the workshop environment and protecting the health of operating personnel.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic diagram of a grain grinder capable of reducing dust concentration according to one embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second blade according to one embodiment of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1 and 2, the present invention provides a grain grinder capable of reducing dust concentration, comprising:
the device comprises a shell 1, a first recovery port 4 and a second recovery port 5, wherein the top of the shell is provided with a feed inlet 2, the bottom of the shell is provided with a discharge outlet 3, and the side wall of the shell is provided with the first recovery port and the second recovery port; the feed inlet 2 is used for feeding grains, and the discharge outlet 3 is used for discharging the grains which reach the standard after being crushed;
the first crushing device is positioned at the upper part in the shell 1 and comprises a first motor 6, a first rotating shaft and a plurality of first blades which are sequentially connected, wherein the first rotating shaft is vertically arranged, the first blades are arranged in parallel along the length direction of the first rotating shaft at equal intervals, the first blades comprise four square sub-blades, the four sub-blades are all obliquely and downwards fixedly arranged on the first rotating shaft at an angle of 45 degrees, and the top ends of the four sub-blades are positioned on the same horizontal plane of the first rotating shaft and are uniformly distributed; the first crushing device is used for carrying out primary crushing (namely coarse crushing) on the grains;
a filter cartridge 7, it is located upper portion just surrounds in the casing 1 first reducing mechanism for the cereal that reaches the particle diameter requirement after smashing the one-level is filtered away, filter cartridge 7 is big end down and hollow type round platform shape opens the structure, filter cartridge 7 with first axis of rotation coaxial arrangement, filter cartridge 7 includes top-down first part 8, second part 9 and third part 10 of rigid coupling in proper order, the top edge rigid coupling of first part 8 top surface in the casing 1, the coaxial a plurality of dust blocking barrel 11 that are equipped with in the first part 8, a plurality of dust blocking barrel 11 are big end down and hollow round platform shape opens the structure, a plurality of dust blocking barrel 11 equidistant setting, and the top edge all rigid coupling the inner wall of first part 8, a plurality of dust blocking barrel 11 hypotenuse length on vertical cross-section degressive in proper order from top to bottom, the contained angle between every dust blocking barrel 11 and horizontal plane is 30 degrees, the plurality of dust blocking cylinders 11 can block rising dust and prevent the dust from continuously rising and escaping from the feed inlet 2, the thicknesses of the first part 8, the second part 9 and the third part 10 are sequentially reduced from top to bottom, and the outer walls of the first part 8, the second part 9 and the third part 10 are flush, so that the first part 8 and the second part 9 can also block a certain amount of dust, the dust falling effect is further improved, the height ratio of the first part 8, the second part 9 and the third part 10 is 1:1:2, a plurality of circular filter holes are formed in the first part 8, the second part 9 and the third part 10, the ratio of the filter holes of the first part 8, the second part 9 and the third part 10 is 1:3:7, grains after primary crushing are filtered out from the third part 10 as much as possible, and the dust is concentrated in the lower part of the filter cylinder 7 as much as possible, the dust is prevented from rising and escaping, the lower edge of the third part 10 is sealed with a bottom plate 12, the bottom plate 12 is arranged in an inclined mode, grains which do not meet the requirement of the grain diameter can quickly slide into the first recovery port 4 to be discharged, normal crushing is ensured, the crushing effect of the grains is ensured, a plurality of circular filter holes are formed in the bottom plate 12, the diameter of each filter hole of the bottom plate 12 is equal to that of the filter hole of the third part 10, and the feed inlet 2 is located in the filter cylinder 7;
the second crushing device is positioned below the partition plate 13 and comprises a second motor 16, a second rotating shaft and a plurality of second blades 17 which are sequentially connected, wherein the second rotating shaft is horizontally arranged, the plurality of second blades 17 are parallelly sleeved on the second rotating shaft at equal intervals, and a plurality of sawteeth are arranged on the periphery of each second blade 17; the second crushing device is used for carrying out secondary crushing (namely fine crushing) on the grains, so that the crushing effect is ensured;
In the technical scheme, when in use, firstly, grains are put in from the feeding hole 2, after the grains are subjected to primary crushing in the first crushing device, the grains are filtered by the filter cylinder 7, the grains meeting the requirement of primary crushing grain size enter the partition plate 13 and fall from the discharging cylinder 14 to enter the second crushing device for secondary crushing, the grains which do not meet the requirement of primary crushing grain size slide down through the inclined bottom plate 12 and are discharged from the first recovery port 4, after the secondary crushing, the grains meeting the requirement of secondary crushing grain size are filtered by the filter screen 18 and are discharged from the discharging port 3 at the bottom, the grains which do not meet the requirement of secondary crushing grain size are discharged from the second recovery port 5, so that the whole crushing process is completed, and by adopting the technical scheme, the first crushing device and the second crushing device can perform two-stage crushing on the grains, so that the grain size after the crushing meets the requirement, guarantee the crushing effect of cereal, a plurality of dust blocking barrel 11 in the first part 8 can shelter from the dust that the upper portion space rises, prevent that the dust from overflowing from feed inlet 2, and a plurality of dust blocking component can prevent that the dust in the lower part space from ascending to the upper portion space, and then from feed inlet 2 overflowing to effectively prevent that the dust from overflowing from feed inlet 2, reduce dust concentration, guarantee crushing effect simultaneously.
In another technical scheme, the first motor 6 is fixedly arranged at the center of the outer top surface of the housing 1, the second motor 16 is fixedly arranged on the outer wall of the housing 1, and the vibration motor 19 is fixedly arranged in the middle of the filter screen 18. The design can make the crusher more stable in use.
In another kind of technical scheme, feed inlet 2 is connected with the inlet pipe, the inlet pipe is close to feed inlet 2 the part with contained angle between the 1 top surface of casing is 30 and the upper end orientation the axis of casing 1. Design like this can make the higher region of feed inlet 2 skew cartridge filter 7 interior dust concentration, can play certain effect of blockking to the dust moreover, be unfavorable for the effusion of dust to improve the dust fall effect as far as possible.
In another solution, the number of the first blades is 3, and the number of the second blades 17 is 6. The grain crushing device is set in such a way that the manufacturing cost of the device can be reduced while the grain crushing effect is ensured.
In another technical scheme, three groups of dust baffles 15 are fixedly connected in each discharge barrel 14. When three groups are set, the dust blocking effect is good, and the manufacturing cost of the equipment can be reduced.
In another solution, the thickness ratio of the first portion 8, the second portion 9 and the third portion 10 is 2:1.5: 1. This arrangement allows the first portion 8, the second portion 9 and the third portion 10 to function optimally.
The number of apparatuses and the scale of the process described herein are intended to simplify the description of the present invention. Application, modification and variation of the grain grinder of the present invention to reduce dust concentration will be apparent to those skilled in the art.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (6)
1. Grain grinder that can reduce dust concentration, its characterized in that includes:
the top of the shell is provided with a feed inlet, the bottom of the shell is provided with a discharge outlet, and the side wall of the shell is provided with a first recovery port and a second recovery port;
the first crushing device is positioned at the upper part in the shell and comprises a first motor, a first rotating shaft and a plurality of first blades which are sequentially connected, wherein the first rotating shaft is vertically arranged, the first blades are arranged in parallel along the length direction of the first rotating shaft at equal intervals, the first blades comprise four square sub-blades, the four square sub-blades are obliquely and downwards fixedly arranged on the first rotating shaft at an angle of 45 degrees, and the top ends of the four square sub-blades are positioned on the same horizontal plane of the first rotating shaft and are uniformly distributed;
the filter cylinder is positioned at the upper part in the shell and surrounds the first crushing device, the filter cylinder is of a hollow round-table-shaped open structure with a small upper part and a large lower part, the filter cylinder is coaxially arranged with the first rotating shaft, the filter cylinder comprises a first part, a second part and a third part which are fixedly connected with each other from top to bottom in sequence, the upper edge of the first part is fixedly connected with the inner top surface of the shell, a plurality of dust blocking cylinders are coaxially arranged in the first part, the dust blocking cylinders are of a hollow round-table-shaped open structure with a large upper part and a small lower part, the dust blocking cylinders are arranged at equal intervals, the upper edges of the dust blocking cylinders are fixedly connected with the inner wall of the first part, the lengths of the inclined edges of the dust blocking cylinders on the vertical section are sequentially decreased from top to bottom, the included angle between each dust blocking cylinder and the horizontal plane is 30 degrees, and the thicknesses of the first part, the second part and the, The outer walls of the first part, the second part and the third part are parallel and level, the height ratio of the first part, the second part and the third part is 1:1:2, a plurality of circular filtering holes are formed in the first part, the second part and the third part, the filtering hole diameter ratio of the first part, the second part and the third part is 1:3:7, the lower edge of the third part is sealed with a bottom plate, the bottom plate is obliquely arranged, a plurality of circular filtering holes are formed in the bottom plate, the filtering hole diameter of the bottom plate is equal to that of the third part, and the feeding hole is located in the filter cylinder;
the division board, its horizontal rigid coupling the inner wall of casing just is located the cartridge filter below, it has a plurality of circular filtration pores to open on the division board, just the filtration pore diameter of crossing of division board with the filtration pore diameter of crossing of bottom plate equals, a plurality of dust components of keeping off of lower surface rigid coupling of division board, the vertical setting of a plurality of dust components just meets in proper order, and every dust component all includes: the discharging device comprises a discharging barrel and a plurality of groups of dust baffles, wherein the discharging barrel is funnel-shaped with an upward opening, the upper edge of the discharging barrel is fixedly connected with the lower surface of a partition plate, the plurality of groups of dust baffles are fixedly connected with the inner wall of the vertical part of the discharging barrel at equal intervals, each group of dust baffles comprises an upper dust baffle plate and a lower dust baffle plate which are arranged in a manner of inclining at an angle of 45 degrees and relatively staggering downwards, the bottom end of the upper dust baffle plate and the surface of the lower dust baffle plate form a discharging channel, a first recovery port is positioned between a bottom plate and the partition plate and is close to the lower end of the bottom plate, the first recovery port is connected with a discharging pipe, and the;
the second crushing device is positioned below the partition plate and comprises a second motor, a second rotating shaft and a plurality of second blades which are sequentially connected, wherein the second rotating shaft is horizontally arranged, the plurality of second blades are parallelly sleeved on the second rotating shaft at equal intervals, and a plurality of sawteeth are arranged on the periphery of each second blade;
the filter screen, its slope rigid coupling the inner wall of casing just is located the below of second reducing mechanism, the vibrating motor has set firmly on the filter screen, the second is retrieved the mouth and is located the filter screen with between the second reducing mechanism, and be close to the lower extreme of filter screen.
2. The grain grinder capable of reducing dust concentration according to claim 1, wherein the first motor is fixedly arranged at the center of the outer top surface of the shell, the second motor is fixedly arranged on the outer wall of the shell, and the vibration motor is fixedly arranged in the middle of the filter screen.
3. The grain grinder capable of reducing dust concentration according to claim 1, wherein the feed inlet is connected with a feed pipe, the part of the feed pipe close to the feed inlet forms an included angle of 30 degrees with the top surface of the shell, and the upper end of the feed pipe faces to the axis of the shell.
4. The grain grinder of claim 1, wherein the number of the first blades is 3 and the number of the second blades is 6.
5. The grain grinder of claim 1, wherein three sets of dust baffles are fixed in each discharge cylinder.
6. The grain grinder of claim 1, wherein the thickness ratio of the first portion, the second portion, and the third portion is 2:1.5: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811481208.4A CN109365079B (en) | 2018-12-05 | 2018-12-05 | Grain grinder capable of reducing dust concentration |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811481208.4A CN109365079B (en) | 2018-12-05 | 2018-12-05 | Grain grinder capable of reducing dust concentration |
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| Publication Number | Publication Date |
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| CN109365079A CN109365079A (en) | 2019-02-22 |
| CN109365079B true CN109365079B (en) | 2020-08-14 |
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| CN113304837A (en) * | 2021-04-21 | 2021-08-27 | 徐州工程学院 | Pretreatment device for extracting ginkgo leaf flavone from ginkgo leaves |
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| CN108174706A (en) * | 2017-12-27 | 2018-06-19 | 郑州赫恩电子信息技术有限公司 | A kind of portable stalk crushes drying device |
| CN108718727B (en) * | 2018-05-02 | 2020-12-01 | 徐州云创餐饮有限公司 | Straw rubbing crusher convenient to operation |
| CN108619942A (en) * | 2018-05-04 | 2018-10-09 | 安徽中乾能源有限公司 | A kind of stirring blending device of Coal dressing |
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2018
- 2018-12-05 CN CN201811481208.4A patent/CN109365079B/en active Active
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