CN209646692U - A kind of Experiment of Analytical Chemistry raw material crushing grinding device - Google Patents
A kind of Experiment of Analytical Chemistry raw material crushing grinding device Download PDFInfo
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- CN209646692U CN209646692U CN201920266484.2U CN201920266484U CN209646692U CN 209646692 U CN209646692 U CN 209646692U CN 201920266484 U CN201920266484 U CN 201920266484U CN 209646692 U CN209646692 U CN 209646692U
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- 239000002994 raw material Substances 0.000 title claims abstract description 28
- 238000002474 experimental method Methods 0.000 title claims abstract description 24
- 238000000227 grinding Methods 0.000 title claims abstract description 24
- 230000033001 locomotion Effects 0.000 claims abstract description 21
- 230000000694 effects Effects 0.000 claims abstract description 12
- 238000010298 pulverizing process Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 239000000126 substance Substances 0.000 description 19
- 239000000463 material Substances 0.000 description 7
- 238000003756 stirring Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910000366 copper(II) sulfate Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 229910052927 chalcanthite Inorganic materials 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- JZCCFEFSEZPSOG-UHFFFAOYSA-L copper(II) sulfate pentahydrate Chemical compound O.O.O.O.O.[Cu+2].[O-]S([O-])(=O)=O JZCCFEFSEZPSOG-UHFFFAOYSA-L 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- -1 hydrogen Sodium hydroxide Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Crushing And Grinding (AREA)
Abstract
The utility model relates to a kind of Experiment of Analytical Chemistry raw material crushing grinding devices, including device noumenon, feed opening and fixed link are fixed at the top of device noumenon, motor one is fixed in fixed link, cavity is fixed on device noumenon side wall, cavity top activity, which runs through, is equipped with motion bar, helical blade is fixed on motion bar side wall, motor two is fixedly installed on device noumenon side wall, device noumenon inner wall is fixed with crushing chamber, baffle, inclined plate one, inclined plate two and upper millstone, multiple Disintegrating knifes are fixed in output shaft one side wall, crushing chamber bottom is fixedly installed with sieve one, motor three is fixedly installed in inclined plate one side wall, three end of output shaft of motor three is welded with ball-screw, device noumenon bottom is fixedly installed with motor four, four top of output shaft of motor four is fixedly installed with lower millstone；Experiment of Analytical Chemistry provided by the utility model can effectively improve crush efficiency and effect with raw material crushing grinding device, can effectively prevent the blocking of sieve.
Description
Technical field
The utility model relates to Experiment of Analytical Chemistry engineering device technique field more particularly to a kind of Experiment of Analytical Chemistry raw materials
Crushing grinding device.
Background technique
Analytical chemistry (analytical chemistry) is the analysis that research obtains substance chemical composition and structure information
The science of method and correlation theory is an important branch of chemistry subject.The main task of analytical chemistry is identification substance
Chemical composition (element, ion, functional group or compound), the content of the related component of measurement substance, the structure for determining substance
(chemical structure, crystal structure, spatial distribution) and existing forms (valence state, Coordination State, crystalline state) and its between physical property
Relationship etc..
Chemical laboratory is to provide chemical experiment condition and its carries out the important place of scientific exploration.There is a large amount of instrument in it
Device: the experimental tools such as iron stand, asbestos gauge, alcolhol burner, beaker, test tube, gas bottle, rubber stopper, reagent bottle, mortar would generally
Equipped with chemicals cabinet, there is common chemicals inside medicine-chest, such as: cupric sulfate pentahydrate (CuSO4·5H2O, i.e. blue stone), hydrogen
Sodium hydroxide solution, lime stone, hydrochloric acid etc..
Also often have some mechanical devices in chemical laboratory, mainly the raw material of experiment is carried out in these instruments
Pretreatment, wherein milling apparatus is essential, some chemical experiments need to carry out dissolution operation to solids, this is just needed
First the solid material of bulky grain is smashed and ground, just facilitates dissolved in this way, general grinding device grinding effect is poor,
Working efficiency is low, and existing milling apparatus often directly grinds particulate matter investment, often will cause grinding machinery
Blocking, and with regard to needing artificial progress precomminution, waste of manpower time if the generation for wanting to avoid such case.
In publication number CN204469813U, publication date be on July 15th, 2015 utility model patent in disclose one
Kind has the chemical standard substance smashing and grinding equipment for grinding abundant characteristic, including motor, agitator tank, stirring broken shaft, blade
And charge pipe, the upper end of agitator tank are provided with feed inlet, the lower end of agitator tank is provided with discharge port, and motor is vertical machine, electricity
In agitator tank upper end, the shaft of motor is connect with the upper end for stirring broken shaft for machine setting, stirs lower end and the blade of broken shaft
Center connection, charge pipe are arranged in agitator tank, and the top of agitator tank is arranged in the water inlet of charge pipe, and stirring broken shaft is two
Root is provided with spiral shape paddle, the rotation side of the paddle on two stirring broken shafts in the middle part of two stirring broken shafts
To opposite.The utility model is stirred chemical standard raw material of substance by stirring broken shaft and blade, practical new using this
The yield of type, chemical standard substance is high, has the value promoted the use of.
But existing Experiment of Analytical Chemistry is usually insufficient in the presence of grinding with raw material crushing grinding device, and sieve is susceptible to plugging
Defect.
Utility model content
(1) the technical issues of solving
In view of the above problems, it is smashed and ground and is filled with raw material the utility model proposes a kind of Experiment of Analytical Chemistry
It sets.Technical solution provided by the utility model can effectively make up existing Experiment of Analytical Chemistry raw material crushing grinding device
Existing defect.
(2) technical solution
In order to achieve the above purpose, the following technical solution is employed for the utility model:
A kind of Experiment of Analytical Chemistry raw material crushing grinding device, including device noumenon, device noumenon top are fixed with
Feed opening and fixed link are fixed with motor one in fixed link, cavity are fixed on device noumenon side wall, cavity top activity runs through
Equipped with motion bar, motion bar top is fixedly connected with turntable, passes through transmission belt between turntable and the output shaft one side wall of motor one
It is connected, helical blade is fixed on motion bar side wall, motor two, the output of motor two are fixedly installed on device noumenon side wall
Two activity of axis is fixedly connected through device noumenon side wall with pulverization roller one, and vertically rotation is plugged with rotation on device noumenon side wall
Bar, rotation boom end activity through device noumenon side wall with crushing rod two be fixedly connected, device noumenon inner wall be fixed with crushing chamber,
The output shaft one of baffle, inclined plate one, inclined plate two and upper millstone, motor one protrudes into inside crushing chamber, and solid in output shaft one side wall
Surely there are multiple Disintegrating knifes, crushing chamber bottom is fixedly installed with sieve one, motor three, motor are fixedly installed in inclined plate one side wall
Three three end of output shaft is welded with ball-screw, and bristle is fixed on the nut of ball-screw, and device noumenon bottom is fixed
Motor four is installed, four top of output shaft of motor four is fixedly installed with lower millstone, is fixed on upper millstone and lower millstone
Roll flute.
Preferably, the top of motion bar rotates grafting by vertical between embedded bearing one and cavity roof, motion bar
By embedding, bearing two is vertical with cavity bottom wall to rotate grafting for bottom end.
Preferably, the groove body with transmission belt cooperation is offered in the output shaft one side wall of turntable side wall and motor one.
Preferably, pulverization roller one and crushing rod two cooperate.
Preferably, crushing chamber is located on device noumenon roof, offers discharge hole on device noumenon side wall, and discharge hole with
Crushing chamber connection.
Preferably, baffle is obliquely installed, and sieve two, one end of sieve two and baffle sidewall are fixedly installed in baffle sidewall
Be fixedly connected, the other end of sieve two is fixedly connected with device noumenon inner wall, sieve two and device noumenon intersection offer into
Expect hole.
Preferably, motor one, motor two, motor three and motor four are servo motor, and motor one, motor two, motor
Three and motor four with external power supply be electrically connected.
Preferably, device noumenon inner wall is also fixedly installed with lower hopper, and lower hopper is located at below lower millstone, lower hopper bottom
It is fixedly connected with discharge nozzle.
Preferably, device noumenon bottom is fixedly installed with supporting leg.
(3) beneficial effect
Due to using above-mentioned technical solution, the beneficial effects of the utility model are:
In the utility model, motor two drives pulverization roller one to rotate, and pulverization roller one and crushing rod two cooperate, and carries out to raw material
It is preliminary to crush；Motor one drives turntable rotation by transmission belt, motion bar rotation, so that preliminary smashed raw material is from feed opening
Into in cavity, rises along the hand of spiral of helical blade, finally enter inside crushing chamber from discharge hole, driven by motor one
Disintegrating knife rotation carries out further refinement to raw material and crushes；Motor three works, the nut of ball-screw along ball-screw to
Preceding movement, the bristle on the nut of ball-screw clean sieve two, effectively prevent the blocking of sieve two, and design is closed
Reason, it is practical；Motor four drives lower millstone rotation, the material on lower millstone between upper millstone and lower millstone, by roll flute into
Row third time crushes, further such that material refines, strengthens crushing effect.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the main sectional view of the utility model；
Fig. 2 is the main view of the utility model；
Wherein:
1, device noumenon；2, feed opening；3, fixed link；4, motor one；5, cavity；6, motion bar；7, turntable；8, it is driven
Band；9, helical blade；10, motor two；11, pulverization roller one；12, rod two is crushed；13, crushing chamber；14, baffle；15, inclined plate one；
16, inclined plate two；17, upper millstone；18, Disintegrating knife；19, sieve one；20, sieve two；21, motor three；22, ball-screw；23,
Bristle；24, lower hopper；25, motor four；26, lower millstone；27, roll flute；28, discharge nozzle；29, supporting leg.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Type embodiment, the technical scheme in the utility model embodiment is clearly and completely described.Reality based on the utility model
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the range of the utility model protection.
A kind of Experiment of Analytical Chemistry raw material crushing grinding device, as shown in Figs. 1-2: including device noumenon 1, device noumenon
1 top is fixed with feed opening 2 and fixed link 3, and motor 1 is fixed in fixed link 3, is fixed on 1 side wall of device noumenon free
Chamber 5,5 top movable of cavity, which runs through, is equipped with motion bar 6, and 6 top of motion bar is fixedly connected with turntable 7, turntable 7 and motor 1
It is connected between output shaft one side wall by transmission belt 8, helical blade 9,1 side wall of device noumenon is fixed on 6 side wall of motion bar
On be fixedly installed with motor 2 10, two activity of output shaft of motor 2 10 is fixed through 1 side wall of device noumenon and pulverization roller 1
It connects, vertically rotation is plugged with rotating bar on 1 side wall of device noumenon, and rotation boom end activity runs through 1 side wall of device noumenon and powder
Broken rod 2 12 is fixedly connected, and 1 inner wall of device noumenon is fixed with crushing chamber 13, baffle 14, inclined plate 1, inclined plate 2 16 and upper millstone
17, the output shaft one of motor 1 protrudes into inside crushing chamber 13, and multiple Disintegrating knifes 18, powder are fixed in output shaft one side wall
Broken 13 bottom of chamber is fixedly installed with sieve 1, and motor 3 21, the output of motor 3 21 are fixedly installed on one 15 side wall of inclined plate
Three end of axis is welded with ball-screw 22, and bristle 23, the fixed peace in 1 bottom of device noumenon are fixed on the nut of ball-screw 22
Equipped with motor 4 25, four top of output shaft of motor 4 25 is fixedly installed with lower millstone 26, on upper millstone 17 and lower millstone 26
It is fixed with roll flute 27.
The top of motion bar 6 rotates grafting, the bottom end of motion bar 6 by vertical between embedded bearing one and 5 roof of cavity
Grafting is rotated by the way that embedded bearing two is vertical with 5 bottom wall of cavity, is opened in the output shaft one side wall of 7 side wall of turntable and motor 1
Equipped with the groove body cooperated with transmission belt 8, pulverization roller 1 and crushing rod 2 12 cooperate, and crushing chamber 13 is located at 1 roof of device noumenon
On, discharge hole is offered on 1 side wall of device noumenon, and discharge hole is connected to crushing chamber 13, baffle 14 is obliquely installed, 14 side of baffle
Sieve 2 20 is fixedly installed on wall, one end of sieve 2 20 is fixedly connected with 14 side wall of baffle, the other end of sieve 2 20 with
1 inner wall of device noumenon is fixedly connected, and sieve 2 20 and 1 intersection of device noumenon offer feed opening, motor 1, motor 2 10,
Motor 3 21 and motor 4 25 are servo motor, and motor 1, motor 2 10, motor 3 21 and motor 4 25 with outside
Power supply is electrically connected, and 1 inner wall of device noumenon is also fixedly installed with lower hopper 24, and lower hopper 24 is located at 26 lower section of lower millstone, blanking
24 bottoms of struggling against are fixedly connected with discharge nozzle 28 (piston is arranged in discharge nozzle 28), and 1 bottom of device noumenon is fixedly installed with supporting leg
29。
Motor 1, motor 2 10, motor 3 21 and motor 4 25 model be EDSMT-2T130-040B；Four with
It is in parallel between external power supply.
It uses principle: will need the Experiment of Analytical Chemistry raw material crushed out of feed opening 2 adding apparatus ontology 1, open
Motor 2 10, motor 2 10 drive pulverization roller 1 to rotate, and pulverization roller 1 and crushing rod 2 12 cooperate, and carry out to raw material preliminary
It crushes.
Motor 1 is opened, motor 1 drives turntable 7 to rotate by transmission belt 8, and motion bar 6 rotates, so that preliminary crush
Raw material afterwards enters in cavity 5 from feed opening, rises along the hand of spiral of helical blade 9, finally enters crushing from discharge hole
It inside chamber 13, drives Disintegrating knife 18 to rotate by motor 1, further refinement is carried out to raw material and is crushed, the object after separating twice
Material falls from sieve 1, slides on lower millstone 26 along inclined plate 2 16.
Motor 3 21 is opened, motor 3 21 works, and the nut of ball-screw 22 is moved forward along ball-screw, ball wire
Bristle 23 on the nut of thick stick 22 cleans sieve 2 20, effectively prevents the blocking of sieve 2 20, and design is rationally, real
It is strong with property.
Motor 4 25 is opened, motor 4 25 drives lower millstone 26 to rotate, and the material on lower millstone 26 is in upper millstone 17 under
Between mill 26, third time crushing is carried out by roll flute 27, further such that material refines, strengthens crushing effect, it is smashed
Material is overflowed from 26 edge of lower millstone, enters discharge nozzle 28 along lower hopper 24, when collection material, collection device is placed on out
28 bottom of expects pipe, the piston opened in discharge nozzle 28 are collected.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element, unless otherwise restricted clearly.For the common skill of this field
For art personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (9)
1. a kind of Experiment of Analytical Chemistry raw material crushing grinding device, it is characterised in that: including device noumenon (1), described device
It is fixed with feed opening (2) and fixed link (3) at the top of ontology (1), is fixed with motor one (4), the dress on the fixed link (3)
It sets and is fixed with cavity (5) on ontology (1) side wall, cavity (5) top movable, which runs through, is equipped with motion bar (6), the motion bar
(6) top is fixedly connected with turntable (7), passes through transmission between the turntable (7) and the output shaft one side wall of the motor one (4)
Band (8) is connected, and is fixed with helical blade (9) on motion bar (6) side wall, fixed peace on described device ontology (1) side wall
Equipped with motor two (10), two activity of output shaft of the motor two (10) is through described device ontology (1) side wall and pulverization roller one
(11) it is fixedly connected, vertically rotation is plugged with rotating bar on described device ontology (1) side wall, and the rotation boom end activity runs through
Described device ontology (1) side wall is fixedly connected with rod two (12) are crushed, and described device ontology (1) inner wall is fixed with crushing chamber
(13), baffle (14), inclined plate one (15), inclined plate two (16) and upper millstone (17), the output shaft one of the motor one (4) protrude into institute
It is internal to state crushing chamber (13), and is fixed with multiple Disintegrating knifes (18) in the output shaft one side wall, crushing chamber (13) bottom
Portion is fixedly installed with sieve one (19), and motor three (21), the motor three are fixedly installed on inclined plate one (15) side wall
(21) three end of output shaft is welded with ball-screw (22), is fixed with bristle on the nut of the ball-screw (22)
(23), described device ontology (1) bottom is fixedly installed with motor four (25), and four top of output shaft of the motor four (25) is fixed
It is equipped with lower millstone (26), is fixed with roll flute (27) on the upper millstone (17) and the lower millstone (26).
2. Experiment of Analytical Chemistry according to claim 1 raw material crushing grinding device, which is characterized in that the motion bar
(6) top rotates grafting, the bottom end of the motion bar (6) by vertical between embedded bearing one and the cavity (5) roof
By embedding, bearing two is vertical with the cavity (5) bottom wall to rotate grafting.
3. Experiment of Analytical Chemistry according to claim 1 raw material crushing grinding device, which is characterized in that the turntable
(7) groove body with the transmission belt (8) cooperation is offered in the output shaft one side wall of side wall and the motor one (4).
4. Experiment of Analytical Chemistry according to claim 1 raw material crushing grinding device, which is characterized in that the pulverization roller
One (11) and the crushing rod two (12) cooperate.
5. Experiment of Analytical Chemistry according to claim 1 raw material crushing grinding device, which is characterized in that the crushing chamber
(13) it is located on described device ontology (1) roof, offers discharge hole, and the discharge hole on described device ontology (1) side wall
It is connected to the crushing chamber (13).
6. Experiment of Analytical Chemistry according to claim 1 raw material crushing grinding device, which is characterized in that the baffle
(14) it is obliquely installed, is fixedly installed with sieve two (20), one end of the sieve two (20) and institute on baffle (14) side wall
It states baffle (14) side wall to be fixedly connected, the other end of the sieve two (20) is fixedly connected with described device ontology (1) inner wall, institute
It states sieve two (20) and described device ontology (1) intersection offers feed opening.
7. Experiment of Analytical Chemistry according to claim 1 raw material crushing grinding device, which is characterized in that the motor one
(4), motor two (10), motor three (21) and motor four (25) are servo motor, and the motor one (4), motor two (10),
Motor three (21) and motor four (25) are electrically connected with external power supply.
8. Experiment of Analytical Chemistry according to claim 1 raw material crushing grinding device, which is characterized in that described device sheet
Body (1) inner wall is also fixedly installed with lower hopper (24), and the lower hopper (24) is located at below the lower millstone (26), the blanking
Bucket (24) bottom is fixedly connected with discharge nozzle (28).
9. Experiment of Analytical Chemistry according to claim 1 raw material crushing grinding device, which is characterized in that described device sheet
Body (1) bottom is fixedly installed with supporting leg (29).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920266484.2U CN209646692U (en) | 2019-03-04 | 2019-03-04 | A kind of Experiment of Analytical Chemistry raw material crushing grinding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920266484.2U CN209646692U (en) | 2019-03-04 | 2019-03-04 | A kind of Experiment of Analytical Chemistry raw material crushing grinding device |
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| Publication Number | Publication Date |
|---|---|
| CN209646692U true CN209646692U (en) | 2019-11-19 |
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ID=68525699
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111701661A (en) * | 2020-06-11 | 2020-09-25 | 安庆常润米业股份有限公司 | Rice processing equipment capable of improving grain yield and method thereof |
| CN112570106A (en) * | 2020-10-22 | 2021-03-30 | 安龙县欣蔓生物科技有限责任公司 | High-efficient handy bletilla rubbing crusher |
-
2019
- 2019-03-04 CN CN201920266484.2U patent/CN209646692U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111701661A (en) * | 2020-06-11 | 2020-09-25 | 安庆常润米业股份有限公司 | Rice processing equipment capable of improving grain yield and method thereof |
| CN112570106A (en) * | 2020-10-22 | 2021-03-30 | 安龙县欣蔓生物科技有限责任公司 | High-efficient handy bletilla rubbing crusher |
| CN112570106B (en) * | 2020-10-22 | 2022-07-01 | 安龙县欣蔓生物科技有限责任公司 | Bletilla rubbing crusher |
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Effective date of registration: 20240701 Address after: 733000 102 Huangtai Road, Xiguan Street, Liangzhou District, Wuwei City, Gansu Province Patentee after: WUWEI OCCUPATIONAL College Country or region after: China Address before: 733000, No. 102 Huangtai Road, Liangzhou District, Wuwei City, Gansu Province Patentee before: Li Chunlan Country or region before: China |