CN111673905A - Mixer for building - Google Patents
Mixer for building Download PDFInfo
- Publication number
- CN111673905A CN111673905A CN202010514249.XA CN202010514249A CN111673905A CN 111673905 A CN111673905 A CN 111673905A CN 202010514249 A CN202010514249 A CN 202010514249A CN 111673905 A CN111673905 A CN 111673905A
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- China
- Prior art keywords
- rotation
- axis
- fixed mounting
- rotating shaft
- helical gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
- B28C5/16—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a vertical or steeply inclined axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/0804—Cleaning containers having tubular shape, e.g. casks, barrels, drums
- B08B9/0808—Cleaning containers having tubular shape, e.g. casks, barrels, drums by methods involving the use of tools, e.g. by brushes, scrapers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/0806—Details; Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/0806—Details; Accessories
- B28C5/0831—Drives or drive systems, e.g. toothed racks, winches
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention relates to the technical field of stirring devices, and discloses a stirring machine for buildings, which comprises a base plate, wherein a support column and a motor are fixedly arranged at the top of the base plate, a first rotating shaft is fixedly arranged on an output shaft of the motor, a first conveying wheel is fixedly arranged on the outer side of the first rotating shaft, a conveying belt is movably connected to the outer side of the first conveying wheel, a support and a first bearing box are fixedly arranged on the inner side of the support column, a fixed frame is fixedly arranged on one side of the support, the second rotating shaft and a third rotating shaft rotate in opposite directions, the second rotating shaft drives a first scraping plate to rotate through a first fixed block and a first stirring rod when rotating, the third rotating shaft drives a second scraping plate to rotate through a second fixed block and a second stirring rod when rotating, and the first scraping plate and the second scraping plate also rotate in opposite directions, thereby achieving the purpose that the building materials in the stirring box can be uniformly mixed.
Description
Technical Field
The invention relates to the technical field of stirring devices, in particular to a stirring machine for buildings.
Background
A stirrer is a building engineering machine and is mainly used for stirring building materials such as cement, sand and stone, various dry powder mortars and the like, the stirrer generally rotates a shaft with blades in a cylinder or a tank to stir and mix a plurality of raw materials to form a mixture or a machine with proper consistency, the stirrer is mostly used on a building site, for example, the stirrer is used for stirring and mixing concrete or building auxiliary materials, but when the stirrer used on the building at present is used, the materials used for stirring and mixing are not uniformly mixed, the quality of the materials after stirring is easily not up to standard, and the serious waste of the materials is caused.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a building stirrer which has the advantages of uniform stirring and mixing of building materials, rapid and convenient stirring and solves the problem of non-uniform stirring of the existing building stirrer during stirring.
(II) technical scheme
In order to realize the purposes of uniformly stirring and mixing the building materials and quickly and conveniently stirring, the invention provides the following technical scheme: a stirring machine for buildings comprises a base plate, wherein a support column and a motor are fixedly arranged at the top of the base plate in a distributed mode, a first rotating shaft is fixedly arranged on an output shaft of the motor, a first conveying wheel is fixedly arranged on the outer side of the first rotating shaft, a conveying belt is movably connected to the outer side of the first conveying wheel, a support frame and a first bearing box are fixedly arranged on the inner side of the support column, a fixed frame is fixedly arranged on one side of the support frame, a third bearing box and a fourth bearing box are fixedly arranged in the fixed frame respectively, a fourth rotating shaft is movably arranged in the fourth bearing box, a second conveying wheel is fixedly arranged on the right side of the fourth rotating shaft, a third bevel gear is fixedly arranged on the left side of the fourth rotating shaft, a third rotating shaft is movably arranged in the third bearing box, a first bevel gear and a second fixed block are fixedly arranged on the outer side of the third rotating shaft respectively, the utility model discloses a water pump, including first puddler, first bevel gear, first fixed block, first stirring rod, first scraper blade, the outside movable mounting of second fixed block has the second puddler, the one end fixed mounting of second puddler has the second scraper blade, the one end fixed mounting of second puddler has the second axis of rotation, the outside movable mounting of third axis of rotation has the second axis of rotation, the bottom fixed mounting of second axis of rotation has the second helical gear, the outside fixed mounting of second axis of rotation has first fixed block, the outside movable mounting of first fixed block has first puddler, the first scraper blade of the one end fixedly connected with of first puddler, the top fixed mounting of support column has the agitator tank, the top movable mounting of agitator tank has the apron, the top of apron is concerned.
Preferably, a first rotating shaft is movably connected inside the first bearing box, and a supporting shaft is movably mounted on the outer side of the first rotating shaft.
Preferably, the second conveying wheel is movably connected with the conveying belt.
Preferably, the inside fixed mounting of agitator tank has the second bearing box, fixed connection between the both sides of second bearing box and the mount, the inside swing joint of second bearing box has the second axis of rotation, the second axis of rotation all runs through the agitator tank with the third axis of rotation, the top of third axis of rotation and the inside swing joint of agitator tank.
Preferably, the third helical gear is in meshing connection with the first helical gear, the third helical gear is in meshing connection with the second helical gear, and a through hole matched with the third rotating shaft is formed in the second helical gear.
Preferably, the first scraper blade and the second scraper blade are movably connected with the inner wall of the stirring box respectively, and the top of the first scraper blade and the top of the second scraper blade are both arc-shaped.
Preferably, the water pipe runs through the apron, the water pipe encircles and installs the inner wall at the apron, the feed inlet has been seted up to the inside of apron, the discharge gate has been seted up to the bottom of agitator tank.
(III) advantageous effects
Compared with the prior art, the invention provides a building stirrer, which has the following beneficial effects:
1. the stirring machine for buildings can drive the first rotating shaft to rotate in the same direction through the rotation of the motor, the first rotating shaft can drive the transmission belt to rotate through the first transmission wheel when rotating, the transmission belt can drive the second transmission wheel to rotate when rotating, the second conveying wheel is fixedly arranged on the right side of the fourth rotating shaft, the left side of the fourth rotating shaft is fixedly provided with a third bevel gear, so that the third helical gear will rotate, and the third helical gear is meshed with the first helical gear and the second helical gear respectively, the first helical gear is located at the lower left corner of the third helical gear, the second helical gear is located at the upper left corner of the third helical gear, the third helical gear drives the first helical gear and the second helical gear to rotate in opposite directions, meanwhile, the second rotating shaft and the third rotating shaft can rotate in opposite directions, so that the effect of rapid and convenient stirring is achieved.
2. This mixer for building through carrying out the rotation of opposite direction in second axis of rotation and third axis of rotation, can the band-pass drive first scraper blade with first puddler and rotate when the second axis of rotation rotates, can drive the second scraper blade through second fixed block and second puddler and rotate when the third axis of rotation rotates, and first scraper blade also can advance the rotation of opposite direction with the second scraper blade to reach the building materials in the agitator tank and will carry out the homogeneous mixing.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the agitator tank and cover plate of the present invention;
FIG. 3 is an enlarged view of A of FIG. 1 according to the present invention.
In the figure: 1-base plate, 2-support column, 3-motor, 4-first rotating shaft, 5-support, 6-first bearing box, 7-first conveying wheel, 8-conveying belt, 9-stirring box, 10-cover plate, 11-water pump, 12-water pipe, 13-second bearing box, 14-second rotating shaft, 15-first fixed block, 16-first stirring rod, 17-first scraping plate, 18-third rotating shaft, 19-second fixed block, 20-second stirring rod, 21-second scraping plate, 22-spray head, 23-second conveying wheel, 24-fixed frame, 25-third bearing box, 26-first helical gear, 27-second helical gear, 28-fourth bearing box, 29-fourth rotating shaft, 30-third helical gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a mixer for building comprises a base plate 1, a support column 2 and a motor 3 are fixedly arranged on the top of the base plate 1, a first rotating shaft 4 is fixedly arranged on an output shaft of the motor 3, a first conveying wheel 7 is fixedly arranged on the outer side of the first rotating shaft 4, a conveying belt 8 is movably connected on the outer side of the first conveying wheel 7, a support frame 5 and a first bearing box 6 are fixedly arranged on the inner side of the support column 2, a fixing frame 24 is fixedly arranged on one side of the support frame 5, a third bearing box 25 and a fourth bearing box 28 are respectively fixedly arranged in the fixing frame 24, a fourth rotating shaft 29 is movably arranged in the fourth bearing box 28, a second conveying wheel 23 is fixedly arranged on the right side of the fourth rotating shaft 29, a third bevel gear 30 is fixedly arranged on the left side of the fourth rotating shaft 29, a third rotating shaft 18 is movably arranged in the third bearing box 25, the outer side of the third rotating shaft 18 is fixedly provided with a first helical gear 26 and a second fixed block 19 respectively, the outer side of the second fixed block 19 is movably provided with a second stirring rod 20, one end of the second stirring rod 20 is fixedly provided with a second scraper 21, the outer side of the third rotating shaft 18 is movably provided with a second rotating shaft 14, the bottom of the second rotating shaft 14 is fixedly provided with a second helical gear 27, the outer side of the second rotating shaft 14 is fixedly provided with a first fixed block 15, the outer side of the first fixed block 15 is movably provided with a first stirring rod 16, one end of the first stirring rod 16 is fixedly connected with a first scraper 17, the top of the supporting column 2 is fixedly provided with a stirring box 9, the top of the stirring box 9 is movably provided with a cover plate 10, the top of the cover plate 10 focuses on the water pump 11, one side of the water pump 11 is fixedly provided with a water.
Further, the inside swing joint of first bearing box 6 has first axis of rotation 4, and the outside movable mounting of first axis of rotation 4 has the back shaft, ensures that first axis of rotation 4 can not rock from top to bottom when rotating, leads to first axis of rotation 4 can't drive transmission band 8 through first delivery wheel 7 and rotate.
Furthermore, the second conveying wheel 23 is movably connected with the conveying belt 8, and the conveying belt 8 can drive the fourth rotating shaft 29 to rotate through the second conveying wheel 23 when rotating.
Further, the inside fixed mounting of agitator tank 9 has second bearing box 13, fixed connection between the both sides of second bearing box 13 and mount 24, the inside swing joint of second bearing box 13 has second axis of rotation 14, second axis of rotation 14 all runs through agitator tank 9 with third axis of rotation 18, the top of third axis of rotation 18 and the inside swing joint of agitator tank 9, make things convenient for second axis of rotation 14 and third axis of rotation 18 to drive the inside puddler of agitator tank 9 and rotate when rotating respectively, mix the stirring to the inside building materials of agitator tank 9.
Furthermore, the third helical gear 30 is engaged with the first helical gear 26, the third helical gear 30 is engaged with the second helical gear 27, and a through hole matched with the third rotating shaft 18 is formed in the second helical gear 27, so that the third helical gear 30 can simultaneously drive the first helical gear 26 and the second helical gear 27 to rotate in different directions while rotating.
Further, first scraper blade 17 and second scraper blade 21 respectively with the inner wall swing joint of agitator tank 9, the top of first scraper blade 17 is the arc with the top shape of second scraper blade 21, prevents that building materials from being detained at the top of scraper blade when stirring.
Further, water pipe 12 runs through apron 10, and water pipe 12 encircles and installs the inner wall at apron 10, makes things convenient for building materials can produce a large amount of dusts when stirring, and the feed inlet has been seted up to the inside of apron 10, and the discharge gate has been seted up to the bottom of agitator tank 9, makes things convenient for building materials's material loading and unloading.
The working principle and the using process of the invention are as follows: when the mixer is used, the motor 3 is started, the motor 3 will rotate and will drive the first rotating shaft 4 to rotate, the first rotating shaft 4 will drive the transmission belt 8 to rotate through the first transmission wheel 7 when rotating, the transmission belt 8 will drive the second transmission wheel 23 to rotate when rotating, the second transmission wheel 23 is fixedly installed at the right side of the fourth rotating shaft 29, the left side of the fourth rotating shaft 29 is fixedly installed with the third helical gear 30, so the third helical gear 30 will rotate, and the third helical gear 30 is respectively engaged with the first helical gear 26 and the second helical gear 27, the first helical gear 26 is located at the lower left corner of the third helical gear 30, the second helical gear 27 is located at the upper left corner of the third helical gear 30, so the third helical gear 30 will drive the first helical gear 26 and the second helical gear 27 to rotate in opposite directions, and the first helical gear 26 is fixedly installed at the outer side of the third rotating shaft 18, the second bevel gear 27 is fixedly installed at the outer side of the second rotating shaft 14, so that the second rotating shaft 14 and the third rotating shaft 18 can rotate in opposite directions, when the second rotating shaft 14 rotates, the first scraper 17 is driven to rotate by the first fixing block 15 and the first stirring rod 16, when the third rotating shaft 18 rotates, the second scraper 21 is driven to rotate by the second fixing block 19 and the second stirring rod 20, the first scraper 17 and the second scraper 21 also rotate in opposite directions, so that the building materials in the stirring box 9 can be uniformly mixed, and the water pipe 12 located on the inner wall of the stirring box 9 can spray water to the building materials in the stirring box 9 through the spray head 22, so as to prevent the materials stirred by the stirring box 9 from generating dust.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a mixer for building, includes bed plate (1), its characterized in that: the top of bed plate (1) distributes fixed mounting has support column (2) and motor (3), the output shaft fixed mounting of motor (3) has first axis of rotation (4), the outside fixed mounting of first axis of rotation (4) has first delivery wheel (7), the outside swing joint of first delivery wheel (7) has transmission band (8), the inboard fixed mounting of support column (2) has support (5) and first bearing box (6), one side fixed mounting of support (5) has mount (24), the inside difference fixed mounting of mount (24) has third bearing box (25) and fourth bearing box (28), the inside movable mounting of fourth bearing box (28) has fourth axis of rotation (29), the right side fixed mounting of fourth axis of rotation (29) has second delivery wheel (23), the left side fixed mounting of fourth axis of rotation (29) has third bevel gear (30), the inside movable mounting of third bearing box (25) has third axis of rotation (18), the outside of third axis of rotation (18) is fixed mounting respectively has first helical gear (26) and second fixed block (19), the outside movable mounting of second fixed block (19) has second puddler (20), the one end fixed mounting of second puddler (20) has second scraper blade (21), the outside movable mounting of third axis of rotation (18) has second axis of rotation (14), the bottom fixed mounting of second axis of rotation (14) has second helical gear (27), the outside fixed mounting of second axis of rotation (14) has first fixed block (15), the outside movable mounting of first fixed block (15) has first puddler (16), the one end fixedly connected with first scraper blade (17) of first puddler (16), the top fixed mounting of support column (2) has agitator tank (9), the top movable mounting of agitator tank (9) has apron (10), water pump (11) have been closed at the top of apron (10), one side fixed mounting of water pump (11) has water pipe (12), the bottom fixed mounting of water pipe (12) has shower nozzle (22).
2. A mixer for construction as claimed in claim 1, wherein: the bearing box is characterized in that a first rotating shaft (4) is movably connected inside the first bearing box (6), and a supporting shaft is movably mounted on the outer side of the first rotating shaft (4).
3. A mixer for construction as claimed in claim 1, wherein: the second conveying wheel (23) is movably connected with the conveying belt (8).
4. A mixer for construction as claimed in claim 1, wherein: the inside fixed mounting of agitator tank (9) has second bearing box 1(3), fixed connection between the both sides of second bearing box (13) and mount (24), the inside swing joint of second bearing box (13) has second axis of rotation (14), second axis of rotation (14) all run through agitator tank (9) with third axis of rotation (18), the inside swing joint of the top of third axis of rotation (18) and agitator tank (9).
5. A mixer for construction as claimed in claim 1, wherein: the third helical gear (30) is in meshed connection with the first helical gear (26), the third helical gear (30) is in meshed connection with the second helical gear (27), and a through hole matched with the third rotating shaft (18) is formed in the second helical gear (27).
6. A mixer for construction as claimed in claim 1, wherein: the first scraper blade (17) and the second scraper blade (21) are movably connected with the inner wall of the stirring box (9) respectively, and the top of the first scraper blade (17) and the top of the second scraper blade (21) are arc-shaped.
7. A mixer for construction as claimed in claim 1, wherein: the water pipe (12) penetrates through the cover plate (10), the water pipe (12) is arranged on the inner wall of the cover plate (10) in a surrounding mode, a feeding hole is formed in the cover plate (10), and a discharging hole is formed in the bottom of the stirring box (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010514249.XA CN111673905A (en) | 2020-06-08 | 2020-06-08 | Mixer for building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010514249.XA CN111673905A (en) | 2020-06-08 | 2020-06-08 | Mixer for building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111673905A true CN111673905A (en) | 2020-09-18 |
Family
ID=72454039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010514249.XA Pending CN111673905A (en) | 2020-06-08 | 2020-06-08 | Mixer for building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111673905A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112936591A (en) * | 2021-01-26 | 2021-06-11 | 中铁二十局集团市政工程有限公司 | Vertical stirring machine for building and stirring method |
| CN113000190A (en) * | 2021-02-26 | 2021-06-22 | 陈冬枚 | Production of semiconductor shielding material is with granulation equipment of environmental protection |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB205672A (en) * | 1922-10-11 | 1923-10-25 | Edgar Allison Burrows | Improvements in the means for and method of mixing the ingredients used in the manufacture of soap, in a mixing pan |
| CN106000179A (en) * | 2016-06-15 | 2016-10-12 | 刘银明 | Industrial stirring tank achieving more uniform stirring |
| CN205903837U (en) * | 2016-08-23 | 2017-01-25 | 江西斯诺新能源有限公司 | Agitating unit with spiral discharge device |
| KR20170125488A (en) * | 2016-05-04 | 2017-11-15 | 이원희 | Magnetic drive for bidirectional driving |
| CN108453893A (en) * | 2017-12-22 | 2018-08-28 | 共同科技开发有限公司 | A kind of concrete mixer convenient for cleaning |
| CN207913765U (en) * | 2018-01-20 | 2018-09-28 | 海城诚信有色金属有限公司 | A kind of consersion unit dirty for metal acid |
| CN208959689U (en) * | 2018-10-29 | 2019-06-11 | 淮滨县以琳有机肥料有限公司 | A kind of organic fertilizer batch mixer |
-
2020
- 2020-06-08 CN CN202010514249.XA patent/CN111673905A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB205672A (en) * | 1922-10-11 | 1923-10-25 | Edgar Allison Burrows | Improvements in the means for and method of mixing the ingredients used in the manufacture of soap, in a mixing pan |
| KR20170125488A (en) * | 2016-05-04 | 2017-11-15 | 이원희 | Magnetic drive for bidirectional driving |
| CN106000179A (en) * | 2016-06-15 | 2016-10-12 | 刘银明 | Industrial stirring tank achieving more uniform stirring |
| CN205903837U (en) * | 2016-08-23 | 2017-01-25 | 江西斯诺新能源有限公司 | Agitating unit with spiral discharge device |
| CN108453893A (en) * | 2017-12-22 | 2018-08-28 | 共同科技开发有限公司 | A kind of concrete mixer convenient for cleaning |
| CN207913765U (en) * | 2018-01-20 | 2018-09-28 | 海城诚信有色金属有限公司 | A kind of consersion unit dirty for metal acid |
| CN208959689U (en) * | 2018-10-29 | 2019-06-11 | 淮滨县以琳有机肥料有限公司 | A kind of organic fertilizer batch mixer |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112936591A (en) * | 2021-01-26 | 2021-06-11 | 中铁二十局集团市政工程有限公司 | Vertical stirring machine for building and stirring method |
| CN113000190A (en) * | 2021-02-26 | 2021-06-22 | 陈冬枚 | Production of semiconductor shielding material is with granulation equipment of environmental protection |
| CN113000190B (en) * | 2021-02-26 | 2022-09-23 | 安徽鸿远图精密科技有限公司 | Production of semiconductor shielding material is with granulation equipment of environmental protection |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200918 |
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| RJ01 | Rejection of invention patent application after publication |