CN108405078B - A autofilter device for chitosan grinds - Google Patents

A autofilter device for chitosan grinds Download PDF

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Publication number
CN108405078B
CN108405078B CN201810244154.3A CN201810244154A CN108405078B CN 108405078 B CN108405078 B CN 108405078B CN 201810244154 A CN201810244154 A CN 201810244154A CN 108405078 B CN108405078 B CN 108405078B
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China
Prior art keywords
grinding
grinding disc
fixed
rotating shaft
shell
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CN201810244154.3A
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Chinese (zh)
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CN108405078A (en
Inventor
韩立涛
段书霞
徐玉茵
王晓芳
潘红福
于淑杰
张鹏
王红磊
付迎坤
张明
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Shanghai ISO Medical Products Co.,Ltd.
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SHANGHAI ISO MEDICAL PRODUCTS CO Ltd
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Priority to CN201810244154.3A priority Critical patent/CN108405078B/en
Publication of CN108405078A publication Critical patent/CN108405078A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C15/00Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
    • B02C15/007Mills with rollers pressed against a rotary horizontal disc
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C15/00Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
    • B02C15/006Ring or disc drive gear arrangement
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary 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
    • B02C23/04Safety devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary 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
    • B02C23/08Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/16Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • B07B1/34Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen
    • B07B1/343Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen with mechanical drive elements other than electromagnets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/42Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary 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
    • B02C23/08Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/16Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
    • B02C2023/165Screen denying egress of oversize material

Abstract

An automatic screening device for grinding chitosan effectively solves the problems of unobvious screening effect, poor product quality and the like, and comprises a base, wherein a shell is fixed on the base, the base is rotationally connected with a grinding disc, a rotating shaft eccentric to the grinding disc is arranged in the shell, a grinding roller is fixed on the rotating shaft, a transmission shaft is rotationally connected on the shell, the transmission shaft is in splined connection with a rotating shaft, a worm is fixed on the rotating shaft, a worm wheel meshed with the worm is fixed on the rotating shaft, an inner gear ring is fixed at the upper end of the grinding disc, a gear is meshed with the inner gear ring, a shielding plate sleeved with the grinding disc is fixed on the shell, an annular convex block corresponding to the grinding roller is arranged on the grinding disc, a plurality of through holes positioned at the outer side of the annular convex block are arranged on the grinding disc, a filter screen which is obliquely, one end of the transverse plate is inserted into the cam groove of the end face cam, and the other end of the transverse plate is provided with a ball positioned above the filter screen.

Description

A autofilter device for chitosan grinds
Technical Field
The invention relates to the technical field of grinding equipment, in particular to an automatic screening device for grinding chitosan.
Background
The excellent performances of chitosan such as biological functionality and compatibility, blood compatibility, safety, microbial degradability and the like are widely concerned by various industries, application research in various fields of medicine, food, chemical engineering, cosmetics, water treatment, metal extraction and recovery, biochemistry, biomedical engineering and the like is greatly advanced, the chitosan has research reports on the effects of reducing blood fat and blood sugar aiming at patients, the pure chitosan is a white semitransparent flaky or powdery solid, is tasteless, odorless and nontoxic, has good affinity with human cells, has no rejection reaction, has good biocompatibility, can be biodegraded and has the hemostatic effect, the hemostatic property of the chitosan is that the chitosan has a certain amount of charges, molecules of the chitosan can directly connect red blood cells on wound surfaces together to promote blood coagulation so as to achieve the hemostatic effect, and the chitosan is derived from shells of marine shell animals, wherein shrimp crab shell is the main raw materials for production of chitosan, and chitosan need grind shrimp crab shell totally and smash extracting the in-process, is favorable to next step's process operation like this, and at the grinding process, traditional grinding equipment can't once only obtain the abrasive powder of the same specification, and product quality is poor, and the sieving mechanism is too simple, and production efficiency is low, can't satisfy the actual production requirement.
Therefore, an automatic screening apparatus for chitosan milling is required to solve this problem.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention aims to provide the automatic screening device for grinding chitosan, which effectively solves the problems of unobvious screening effect, poor quality of discharged products, influence on production efficiency and the like.
The technical scheme for solving the problem is that the grinding disc grinding machine comprises a base, wherein a shell is fixed at the upper end of the base, the base is rotatably connected with a grinding disc positioned in the shell, a rotating shaft eccentric to the grinding disc is vertically arranged in the shell, a grinding roller positioned in the grinding disc is fixed at the lower end of the rotating shaft, a transmission shaft is rotatably connected to the shell, a rotating shaft is connected with a spline of the transmission shaft, a worm is fixed on the rotating shaft, a worm wheel meshed with the worm is coaxially fixed on the rotating shaft, an inner gear ring is fixed at the upper end of the grinding disc, a gear meshed with the inner gear ring is coaxially;
be equipped with the annular lug that corresponds with the grinding roller on the mill, be equipped with a plurality of through-holes that are located the annular lug outside on the mill, the through-hole top is equipped with the filter screen that the slope was arranged, the filter screen lower extreme is connected with the mill through the spring, be equipped with the end face cam in the middle of the mill, the sunshade lower extreme is fixed with the backup pad, the backup pad articulates there is the diaphragm, diaphragm one end is inserted in the cam groove of end face cam, the diaphragm other end is equipped with the ball that is located the filter screen top, the end face cam rotates, the diaphragm.
The automatic feeding device is ingenious in structure, convenient, practical, time-saving, high in automation degree and beneficial to market popularization, and the working efficiency is greatly improved while the product quality is guaranteed, the production safety is guaranteed, the service life of equipment is prolonged.
Drawings
Fig. 1 is a schematic view of the front view of the present invention.
Fig. 2 is a schematic diagram of a top view of the present invention.
Fig. 3 is a schematic view of a cross-sectional view a-a in fig. 1.
Fig. 4 is a partially enlarged schematic view of B in fig. 2.
Fig. 5 is a schematic view of a perspective structure of a propeller shaft.
Fig. 6 is a schematic view of the three-dimensional structure of the spline plate.
Fig. 7 is a schematic view of a three-dimensional structure of a cylinder.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 7, an automatic screening device for grinding chitosan comprises a base 1, wherein a shell 2 is fixed at the upper end of the base 1, the base 1 is rotatably connected with a grinding disc 3 positioned inside the shell 2, a rotating shaft 4 eccentric to the grinding disc 3 is vertically arranged in the shell 2, a grinding roller 5 positioned in the grinding disc 3 is fixed at the lower end of the rotating shaft 4, a transmission shaft 6 is rotatably connected to the shell 2, the transmission shaft 6 is in splined connection with a rotating shaft 7, a worm 8 is fixed on the rotating shaft 7, a worm wheel 9 meshed with the worm 8 is coaxially fixed on the rotating shaft 4, an inner gear ring 10 is fixed at the upper end of the grinding disc 3, a gear 11 meshed with the inner gear ring 10 is coaxially fixed on the rotating shaft 4, and a shielding plate 12 sleeved with the;
be equipped with the annular lug 13 that corresponds with grinding roller 5 on the mill 3, be equipped with a plurality of through-holes 14 that are located the annular lug 13 outside on the mill 3, through-hole 14 top is equipped with the filter screen 15 that the slope was arranged, filter screen 15 lower extreme is connected with mill 3 through spring 16, be equipped with end cam 18 in the middle of the mill 3, sunshade 12 lower extreme is fixed with backup pad 19, backup pad 19 articulates diaphragm 31, diaphragm 31 one end is inserted in end cam 18's the cam groove, the diaphragm 31 other end is equipped with the ball 17 that is located filter screen 15 top, end cam 18 rotates, diaphragm 31 is around backup pad 19 luffing motion, and then ball 17 beats filter screen 15 from top.
The transmission shaft 6 is fixedly connected with a motor 20 positioned above the shell 2.
And an overload protection device is arranged on the transmission shaft 6.
Overload protection device include circular recess 21, circular recess 21 is located transmission shaft 6 intermediate position, the surface of circular recess 21 is equipped with spline groove 22, 7 tip of pivot are equipped with gliding spline dish 23 around in spline groove 22, 6 internal rotation of transmission shaft is connected with ring 24, 24 internal surfaces of ring align with the surface of circular recess 21, and 24 internal surfaces of ring are equipped with the keyway the same with spline groove 22, 7 front ends of pivot cup jointed compression spring 25.
The shielding plate 12 is positioned below the inner gear ring 10, and the grinding disc 3 and the shielding plate 12 are in sealing connection through the rotary sealing ring 26, so that the sealing performance of the grinding disc 3 in the rotating process is ensured, and the grinding working environment is ensured.
The cover plate 12 is provided with a feeding port 27 located above the shell 2, the lower end of the cover plate 12 is fixed with a blower 28, and the blower 28 is favorable for collecting the grinding powder.
The lower end of the through hole 14 is provided with a settling chamber 29, the inner surface of the settling chamber 29 is an inclined bottom surface, and the right end of the inclined bottom surface is connected with a discharge hole 30.
When the invention is used, a material enters the grinding disc 3 through the material inlet 27, the grinding disc 3 is provided with the annular convex block 13 corresponding to the grinding roller 5, the material can easily enter a working cavity formed by the annular convex block 13, if the material is bounced onto the filter screen 15 through collision, the lower end of the filter screen 15 is connected with the grinding disc 3 through the spring 16, an inclined chute is arranged between the annular convex block 13 and the grinding disc 3, the filter screen 15 can slide in the inclined chute, the material can roll down into the working cavity under the action of the spring 16 and the gravity of the material, the rear end of the spline disc 23 at the initial position is in spline connection with the transmission shaft 6, the front end of the spline disc 23 is in spline connection with the circular ring 24, when the material completely enters the grinding disc 3, the motor 20 is started, the motor 20 drives the transmission shaft 6 to rotate, the transmission shaft 6 drives the spline disc 23 and the circular ring 24 to simultaneously rotate, the spline, the gear 11 drives the inner gear ring 10 to rotate, the grinding roller 5 and the grinding disc 3 rotate in a differential mode, the rotating shaft 4 and the grinding disc 3 are arranged eccentrically, the grinding roller 5 is located in the grinding disc 3 and eccentric to the grinding disc 3, a gap for crushing materials is formed between the grinding roller 5 and the grinding disc 3, the materials located in the gap are subjected to shearing force and extrusion force at the same time, the grinding roller 5 and the grinding disc 3 extrude the materials while rubbing the materials to be powdery, the flaky structure is prevented from being formed, and grinding efficiency is improved;
the end face cam 18 is arranged in the middle of the grinding disc 4, a gap between the end face cam 18 and the grinding roller 5 can also be used for crushing materials, so that two sides of the grinding roller 5 can be simultaneously ground, the grinding efficiency is improved, the grinding disc is convenient and effective, in the rotating process of the grinding disc 3, the supporting plate 19 is fixedly connected with the shielding plate 12, the supporting plate 19 does not rotate, the transverse plate 31 is hinged with the supporting plate 19, the transverse plate 31 can only move up and down but not back and forth, one end of the transverse plate 31 is inserted into the cam groove of the end face cam 18, the end face cam 18 rotates, the transverse plate 31 moves along the cam groove, the transverse plate 31 swings up and down around the supporting plate 19, so that in the rotating process of the grinding disc 3, the transverse plate 31 can drive the ball 17 to knock the filter screen 15 up and down, under the action of the spring 16, the filter screen 15 can intermittently vibrate, the filter screen 15 slides downwards in an inclined mode, the grinding disc 3 rotates relative to the shield plate 12, the balls 17 are hinged to the transverse plate 31, the balls 17 can roll on the filter screen 15 to reduce friction, the shield plate 12 located below the inner gear ring 10 is fixedly connected to the shell 2, the shield plate 12 is in sealing connection with the grinding disc 3 through the rotary sealing ring 26 to guarantee sealing performance of a grinding space, the lower end of the shield plate 12 is fixedly provided with the air blower 28, after grinding is carried out for a period of time, the air blower 28 is started, the grinding disc 3 rotates relative to the air blower 28 under the action of the motor 20, the air blower 28 can blow ground materials in the working cavity onto the filter screen 15, the balls 17 drive the filter screen 15 to vibrate intermittently, the refined materials can rapidly enter the through holes 14 through the filter screen holes and then flow into the settling chamber 29, and the refined materials can uniformly disperse in the settling, the inner surface of the settling chamber 29 is an inclined bottom surface, which is beneficial to the collection of materials, the right end of the inclined bottom surface is fixedly provided with the discharge hole 30, which can quickly recover materials, large-particle materials cannot enter the settling chamber 29 through the filter screen 15, and under the vibration of the filter screen 15, large-particle materials return to the gap between the grinding roller 5 and the grinding disc 3 again to continue grinding treatment, so that the screening technology is skillfully utilized, the grinding quality is ensured, grinding powder with the same specification can be obtained at one time, and the next step of process treatment is facilitated;
in the grinding process, the grinding roller 5 and the grinding disc 3 begin to extrude materials, at the moment, the load of the worm wheel 9 begins to increase, the worm 8 continuously rotates, the worm 8 and the worm wheel 9 rotate relatively like a spiral pair, the rotating shaft 7 slides forwards relative to the shell 2, the spline disc 23 slides forwards in the spline groove 22, the front end of the compression spring 25 is fixed on the supporting seat of the shell 2, the rear end of the compression spring 25 is sleeved on the rotating shaft 7, the spline disc 23 slides forwards relative to the transmission shaft 6, the worm 8 slides backwards under the action of the compression spring 25, the worm wheel 9 and the worm 8 can be adaptively adjusted to meet the grinding requirement, in the adaptive adjustment process, the spline disc 23 is always in splined connection with the transmission shaft 6 and the circular ring 24 simultaneously, when hard impurities such as stones enter a gap between the grinding roller 5 and the grinding disc 3, the grinding roller 5 and the grinding disc 3 are blocked, the worm wheel 9 stops rotating suddenly, under the action of, the rotating shaft 7 rotates, the worm 8 and the worm wheel 9 rotate relatively, the rotating shaft 7 slides forwards rapidly, the spline disc 23 slides forwards relative to the transmission shaft 6, the spline disc 23 is completely separated from the transmission shaft 6, the spline disc 23 and the ring 24 are completely connected by spline, the ring 24 is rotatably connected with the transmission shaft 6, so the motor 20 drives the transmission shaft 6 to idle, the worm 8 and the worm wheel 9 stop rotating, the compression spring 25 is in a compression state, the acting force of the compression spring 25 cannot push the worm 8 to slide backwards relative to the worm wheel 9, the transmission shaft 6 idles, a power supply is cut off in time, the overload protection effect is achieved, the production safety is guaranteed, the service life of equipment is effectively prolonged, when hard impurities are taken out, the worm 8 is rotated, the worm 8 and the worm wheel 9 rotate relatively under the action of the compression spring 25, the spline disc 23 is in spline fit with the transmission shaft 6 again, the operation is simple and convenient.
Compared with the traditional device, the invention has the following advantages: 1) the grinding disc is ingeniously combined with the cam groove structure, the screen mesh can be controlled to vibrate intermittently to discharge materials while the grinding disc rotates, grinding powder with the same specification can be obtained at one time, large-particle materials rebound to the working cavity to be ground continuously, the grinding effect of products is improved, and the grinding quality is guaranteed; 2) in the process of rotation of the grinding roller, the grinding disc also rotates, the grinding roller and the grinding disc move in a differential manner, so that grinding is facilitated, gaps on two sides of the grinding roller are the same, grinding can be carried out simultaneously, and the grinding efficiency is greatly improved; 3) adopt overload protection device, when hard impurity got into the working chamber, when grinding roller and mill overload, relative motion was vice like the spiral between worm and the worm wheel, and the spline dish is connected with the ring spline completely, and then the transmission shaft can realize idle running, protects the motor, prolongs the life of equipment, and the structure is ingenious nimble, and the practicality is strong.
The automatic grinding powder screening machine is ingenious in structure, convenient, practical and high in automation degree, can automatically screen and discharge materials, can obtain grinding powder with the same specification at one time, guarantees product quality, can utilize the overload protection device, guarantees production safety, prolongs the service life of equipment, is simple to operate, improves working efficiency, reduces workload of workers, and has great market potential.

Claims (5)

1. The automatic screening device for grinding chitosan is characterized by comprising a base (1), a shell (2) is fixed at the upper end of the base (1), the base (1) is rotatably connected with a grinding disc (3) positioned in the shell (2), a rotating shaft (4) eccentric to the grinding disc (3) is vertically arranged in the shell (2), a grinding roller (5) positioned in the grinding disc (3) is fixed at the lower end of the rotating shaft (4), a transmission shaft (6) is rotatably connected to the shell (2), the transmission shaft (6) is in splined connection with a rotating shaft (7), a worm (8) is fixed on the rotating shaft (7), a worm wheel (9) meshed with the worm (8) is coaxially fixed on the rotating shaft (4), an inner gear ring (10) is fixed at the upper end of the grinding disc (3), a gear (11) meshed with the inner gear ring (10) is coaxially fixed on the rotating shaft (4), and a shielding plate (12) sleeved with the grinding disc (3;
an annular convex block (13) corresponding to the grinding roller (5) is arranged on the grinding disc (3), a plurality of through holes (14) located on the outer side of the annular convex block (13) are formed in the grinding disc (3), a filter screen (15) which is obliquely arranged is arranged above the through holes (14), the lower end of the filter screen (15) is connected with the grinding disc (3) through springs (16), an end face cam (18) is arranged in the middle of the grinding disc (3), a support plate (19) is fixed at the lower end of the shielding plate (12), a transverse plate (31) is hinged to the support plate (19), one end of the transverse plate (31) is inserted into a cam groove of the end face cam (18), a ball (17) located above the filter screen (15) is arranged at the other end of the transverse plate (31), the end face cam (18) rotates, the transverse plate (31;
an overload protection device is arranged on the transmission shaft (6); overload protection device include circular recess (21), circular recess (21) are located transmission shaft (6) intermediate position, the surface of circular recess (21) is equipped with spline groove (22), pivot (7) tip is equipped with gliding spline dish (23) around in spline groove (22), transmission shaft (6) internal rotation is connected with ring (24), ring (24) internal surface aligns with the surface of circular recess (21), and ring (24) internal surface is equipped with the keyway the same with spline groove (22), pivot (7) front end has cup jointed compression spring (25).
2. The automatic screening device for chitosan grinding according to claim 1, wherein the transmission shaft (6) is fixedly connected with a motor (20) located above the housing (2).
3. The automatic screening device for chitosan grinding according to claim 1, wherein the shielding plate (12) is located below the inner gear ring (10), and the grinding disc (3) and the shielding plate (12) are connected in a sealing manner through a rotary sealing ring (26).
4. The automatic screening device for chitosan grinding as claimed in claim 1, wherein said shielding plate (12) is provided with a feeding port (27) above the housing (2), and a blower (28) is fixed to the lower end of the shielding plate (12).
5. The automatic screening device for grinding chitosan according to claim 2, wherein a settling chamber (29) is arranged at the lower end of the through hole (14), the inner surface of the settling chamber (29) is an inclined bottom surface, and the right end of the inclined bottom surface is connected with a discharge hole (30).
CN201810244154.3A 2018-03-23 2018-03-23 A autofilter device for chitosan grinds Active CN108405078B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810244154.3A CN108405078B (en) 2018-03-23 2018-03-23 A autofilter device for chitosan grinds

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Application Number Priority Date Filing Date Title
CN201810244154.3A CN108405078B (en) 2018-03-23 2018-03-23 A autofilter device for chitosan grinds

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CN108405078B true CN108405078B (en) 2020-02-14

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CN111109253A (en) * 2019-12-20 2020-05-08 蚌埠市鑫晟新材料科技有限公司 Preparation method of antibacterial material for papermaking
CN111995252B (en) * 2020-09-11 2022-05-17 重庆鸽牌电瓷有限公司 Red glaze and preparation method thereof
CN112893099A (en) * 2021-01-22 2021-06-04 杨磊 Sieve-moving type wheat flour separation anti-theft device

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JP2004073911A (en) * 2002-08-09 2004-03-11 Ishikawajima Harima Heavy Ind Co Ltd Pulverized material discharging device of vertical-type roller mill
CN201214068Y (en) * 2008-04-21 2009-04-01 王华业 Vibrating and screening apparatus in mill
KR20110119908A (en) * 2010-04-28 2011-11-03 김재훈 Pulverizer for metal chips
CN105855030B (en) * 2015-09-24 2019-03-12 佛山科学技术学院 Ceramic raw material roller mill electric and magnetic oscillation sieves feeding back device
CN206642846U (en) * 2017-04-15 2017-11-17 镇安县雪樱花魔芋制品有限公司 A kind of refined magic taro grinder

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