CN108788005B - A kind of sand mixer and its feed component - Google Patents
A kind of sand mixer and its feed component Download PDFInfo
- Publication number
- CN108788005B CN108788005B CN201811052372.3A CN201811052372A CN108788005B CN 108788005 B CN108788005 B CN 108788005B CN 201811052372 A CN201811052372 A CN 201811052372A CN 108788005 B CN108788005 B CN 108788005B
- Authority
- CN
- China
- Prior art keywords
- discharge nozzle
- rod
- feed component
- striker plate
- sand mixer
- 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.)
- Expired - Fee Related
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
- B22C5/04—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by grinding, blending, mixing, kneading, or stirring
- B22C5/0409—Blending, mixing, kneading or stirring; Methods therefor
- B22C5/0472—Parts; Accessories; Controlling; Feeding; Discharging; Proportioning
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The present invention relates to sand mixer fields, in particular to a kind of sand mixer, including automatic recipe maker, the proportioner includes storage tank, multiple vertical partitions are equipped in the storage tank, the space of storage tank is separated into multiple storing spaces by the multiple vertical partition, the bottom of the storage tank corresponds to each storing space and is equipped with discharge nozzle, the bottom of the discharge nozzle is equipped with semi-circular opening, the opening is equipped with closable striker plate, the bottom of the storage tank corresponds to multiple discharge nozzles and is equipped with the feed component for being used to open striker plate, the bottom of the feed component is equipped with sand mixer.The present invention respectively pours into required different material in different storing spaces, then the feed component of storing pot bottom can be according to the program set, the striker plate for the bottom of the tube that discharges is opened respectively, the quantitative conveying of raw material is controlled by the opening time of striker plate, automatic blending is realized with this, the quality of finished product is improved, furthermore the present invention also provides a kind of sand mixers.
Description
The application is that application No. is the divisional applications of 2017100070262 applications for a patent for invention.
Technical field
The present invention relates to sand mixer field, in particular to a kind of automatic recipe maker of sand mixer.
Background technique
Sand mixer is the equipment for mixing each component in molding sand uniformly, and adhesive being made effectively to be coated on sand grain surface.
Sand mixer utilizes the relative motion of muller and mill disc, is placed on material between the two by rolling and the effect of grinding and crushed material
Material, sand mixer also mix material while comminuting matter.It is to produce non-burning brick, Dinas brickes, cement brick, refractory brick, crushing
Make the ideal equipment of brick-making raw material with mixing flyash, boiler slag, mine tailings and industrial residue.The prior art is in ingredient side
Face, what is generallyd use is artificial batching mode to complete ingredient, and this batching mode amount of labour is big, needs repeatedly into sand mixer
Various raw materials are poured into, and the ratio of ingredient is not easy to grasp, influences the quality of finished product.
Summary of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of automatic recipe maker of sand mixer, pass through
Feed component realizes the quantitative conveying of various materials, automatic blending is realized, so as to improve the quality of finished product.
To solve the above problems, the present invention the following technical schemes are provided:
A kind of automatic recipe maker of sand mixer, including storage tank, the storage tank is interior to be equipped with multiple vertical partitions, institute
It states multiple vertical partitions and the space of storage tank is separated into multiple storing spaces, the bottom of the storage tank corresponds to each storage
Material space is equipped with discharge nozzle, and the bottom of the discharge nozzle is equipped with semi-circular opening, and the opening is equipped with closable gear
Flitch, the bottom of the storage tank correspond to multiple discharge nozzles and are equipped with the feed component for being used to open striker plate, the feed component
Bottom be equipped with sand mixer.
Further, the discharge nozzle is cylindrical shape, and top is fixedly connected with storage tank, and the bottom of discharge nozzle is equipped with half
Circular sealing plate, the striker plate are semicircle, and the center point of the striker plate and the center point of sealing plate are hinged, the striker plate
Edge be equipped with horizontal-extending control-rod, the outer wall of the discharge nozzle is equipped with the semi-circular through slot set up around the center point,
The control-rod is under through slot, working condition, and the center point for stirring control-rod around striker plate rotates, and control-rod is moved to through slot
Striker plate covers sealing plate when one end, and discharge nozzle is in the open state；Striker plate will go out when control-rod is moved to the through slot other end
The bottom semicircular of expects pipe, which is open, to be covered, and discharge nozzle is in close state.
Further, the feed component includes the sliding platform that can be moved back and forth in storage tank bottom level, the cunning
Can be corresponding with a discharge nozzle respectively under moving platform stationary state, the worm gear being horizontally mounted is equipped in the sliding platform, it is described
The side of sliding platform is equipped with the endless screw electric motor of driving worm gear rotation, and the top of the worm gear is equipped with vertical poke rod, described
Poke rod is passed through at the top of sliding platform and is erected on sliding platform, and under working condition, sliding platform is moved to a discharge nozzle
Bottom, endless screw electric motor driving worm gear contradicts poke rod and control-rod to connect.
Further, further include control system for controlling discharge nozzle opening time.
Further, the sliding platform includes shell and axle sleeve, and the bottom of the shell offers accommodating chamber, the axis
Set includes the shaft member of tubulose and the fixed part set up around shaft member outer wall that shaft member bottom is arranged in, and the worm gear is set in axis
Top on part and positioned at fixed part, the fixed part are fixedly connected by bolt with the bottom wall of shell, the worm gear and shaft member
It is in enclosure interior, offers circular hole at the top of the shell, under working condition, sliding platform is moved to a discharge nozzle
Lower section, the circular hole are located at the underface of discharge nozzle.
Further, the annular mobile for poke rod is equipped between the outer wall of the shaft member and the circular-hole internal-wall of case top
Channel.
Further, the circular passage is equipped with two cricoid wiper of rubber of staggeredly covering installation, two institutes
State cricoid wiper of rubber be separately mounted on the inner wall of circular hole and the top exterior walls of shaft member on.
Further, the two sides of the storing pot bottom are equipped with the polished rod guide rod and screw rod guiding of parallel interval setting
Bar, the two sides of the sliding platform are equipped with two guide sleeves with polished rod guide rod and the cooperation of screw rod guide rod, the polished rod
Fixing seat is equipped between guide rod and the same side of screw rod guide rod, the fixing seat is fixedly connected with the bottom wall of storage tank,
The lead screw motor drived screw rod rotation is additionally provided in the fixing seat.
Further, the inner wall of sealing strip of the striker plate equipped with semicircular, the sealing strip and discharge nozzle is close
Fitting.
The utility model has the advantages that a kind of automatic recipe maker of sand mixer of the invention, respectively pours into required different material
In different storing spaces, then the feed component of storing pot bottom can be according to the program set, and will discharge bottom of the tube respectively
Striker plate open, the quantitative conveying of raw material is controlled by the opening time of striker plate, automatic blending is realized with this, improves finished product
Quality.
Detailed description of the invention
Fig. 1 is schematic diagram of the three-dimensional structure,
Fig. 2 is partial sectional view of the present invention,
Fig. 3 is the decomposition texture schematic diagram of discharge nozzle of the present invention,
Fig. 4 is sectional perspective structural schematic diagram of the invention,
Fig. 5 is the partial sectional view of sliding platform of the present invention,
Fig. 6 is that sliding platform of the present invention decomposes assembling structure schematic diagram one,
Fig. 7 is that sliding platform of the present invention decomposes assembling structure schematic diagram two.
Description of symbols: storage tank 1, partition 11, discharge nozzle 12, through slot 12a, be open 12b, striker plate 13,
Control-rod 14, sealing plate 15, sealing strip 16, sand mixer 2, sliding platform 3, worm gear 31, endless screw electric motor 32,
Poke rod 33, shell 34, circular hole 34a, axle sleeve 35, shaft member 35a, fixed part 35b, guide sleeve 36, wiper of rubber
4, polished rod guide rod 51, screw rod guide rod 52, fixing seat 53, lead screw motor 54.
Specific embodiment
With reference to the accompanying drawings of the specification and embodiment, specific embodiments of the present invention are described in further detail:
A kind of automatic recipe maker of sand mixer according to shown in Fig. 1 to Fig. 7, including storage tank 1, the storing
Multiple vertical partitions 11 are equipped in tank 1, the space of storage tank 1 is separated into more by the multiple vertical partition 11
A storing space, the bottom of the storage tank 1 correspond to each storing space and are equipped with discharge nozzle 12, the discharge nozzle 12
Bottom
Closable striker plate 13, the storage tank are equipped with equipped with semi-circular opening 12b, the opening 12b
1 bottom corresponds to multiple discharge nozzles 12 and is equipped with the feed component for being used to open striker plate 13, the bottom of the feed component
Portion is equipped with sand mixer 2.
The present invention respectively pours into required different material in different storing spaces, then storage tank in ingredient
The striker plate 13 of 12 bottom of discharge nozzle can be opened respectively according to the program set, pass through gear by the feed component of 1 bottom
The quantitative conveying of the opening time control raw material of flitch 13, realizes automatic blending with this, prevents ratio caused by artificial ingredient
Control bad, caused mixing is uneven.
The discharge nozzle 12 is cylindrical shape, and top is fixedly connected with storage tank 1, and the bottom of discharge nozzle 12 is equipped with
Semicircular sealing plate 15, the striker plate 13 are semicircle, the center point of the striker plate 13 and the center of circle of sealing plate 15
Place is hinged, and the edge of the striker plate 13 is equipped with horizontal-extending control-rod 14, sets on the outer wall of the discharge nozzle 12
There is the semi-circular through slot 12a set up around the center point, the control-rod 14 stirs control under through slot 12a, working condition
Bar 14 processed is rotated around the center point of striker plate 13, and striker plate 13 will when control-rod 14 is moved to through slot one end 12a
Sealing plate 15 covers, and discharge nozzle 12 is in the open state；Striker plate when control-rod 14 is moved to the through slot 12a other end
13 are in close state the bottom semicircular opening 12b covering of discharge nozzle 12, discharge nozzle 12.The feed component
Including the sliding platform 3 that can be moved back and forth in 1 bottom level of storage tank, can distinguish under 3 stationary state of sliding platform
It is corresponding with a discharge nozzle 12, the worm gear 31 being horizontally mounted, the sliding platform 3 are equipped in the sliding platform 3
Side be equipped with the endless screw electric motor 32 that driving worm gear 31 rotates, the worm screw of the endless screw electric motor 32 passes through sliding platform 3
It is sequentially connected with worm gear 31, the top of the worm gear is equipped with vertical poke rod 33, and it is flat that the poke rod 33 passes through sliding
3 top of platform is simultaneously erected on sliding platform 3, and under working condition, sliding platform 3 is moved to a discharge nozzle 12
Bottom, endless screw electric motor 32 drive worm gear 31 to contradict poke rod 33 and control-rod 14 and connect.Pass through poke rod 33
The opening and closing of discharge nozzle 12 are automatically controlled, control-rod 14 is one end in through slot 12a, striker plate at the beginning
13 cover the opening 12b of discharge nozzle 12, and endless screw electric motor 32 drives worm gear 31 to rotate, and make poke rod 33 and control
Bar 14 contradicts connection, and worm gear 31 continues to rotate that so that 33 push lever 14 of poke rod is moved to through slot 12a another
End, discharge nozzle 12 are opened at this time.
The invention also includes the control systems for controlling 12 opening time of discharge nozzle, are realized by control system quantitative
Conveying, discharge nozzle 12 is in close state at the beginning, when 33 push lever 14 of poke rod is moved to through slot
The end of 12a, discharge nozzle 12 is opening state at this time, and the end that control-rod 14 is moved to through slot 12a can be gone out
The wall body of expects pipe 12 stops, and worm gear 31 cannot rotate at this time, and then the electric current of endless screw electric motor 32 is caused to increase, with this
Trigger signal is in the open state at this time to control system proof.Corresponding open completes this raw material after a certain period of time
Quantitative conveying, endless screw electric motor 32 drive worm gear 31 to reversely rotate, drive poke rod 33 after a great circle with control-rod 14
Connection is contradicted, and then pushes striker plate 13 by opening 12b covering, discharge nozzle 12 is closed, and control-rod 14 is moved to logical
The end of slot 12a is stopped by the wall body of discharge nozzle 12, and worm gear 31 cannot rotate, and worm screw continues driving will lead to worm screw
Electric current increase, with this trigger signal, be in close state at this time to control system proof.
The sliding platform 3 includes shell 34 and axle sleeve 35, and the bottom of the shell 34 offers accommodating chamber,
The axis
Set 35 includes the shaft member 35a of tubulose and is arranged in setting around shaft member 35a outer wall for the bottom shaft member 35a
Vertical fixed part 35b, the worm gear 31 are set in the top on shaft member 35a and being located at fixed part 35b, the fixation
Portion 35b is fixedly connected by bolt with the bottom wall of shell 34, and the worm gear 31 and shaft member 35a are in shell 34
Inside, the top of the shell 34 offer circular hole 34a, and under working condition, sliding platform 3 is moved to a discharge nozzle
12 lower section,
The circular hole 34a is located at the underface of discharge nozzle 12.After keeping off the opening of expects pipe 12, in storage tank 1
Material falls along discharge nozzle 12, and material sequentially passes through circular hole 34a and the inner hole of shaft member 35a finally drops into sand mixer
It, can be in 2 He of sand mixer if the top of sand mixer 2 cannot be guaranteed all to correlate all discharge nozzles 12 in 2
Hose is set between the bottom of shaft member 35a, the both ends of hose respectively with sand mixer 2 and shaft member 35a flanged joint.
It is equipped between the circular hole 34a inner wall at 34 top of outer wall and shell of the shaft member 35a for poke rod 33
Mobile circular passage.Poke rod 33 is cyclic annular in the circular passage to be moved back and forth.The circular passage is equipped with staggeredly
Two cricoid wiper of rubber 4 of installation are covered, two cricoid wiper of rubber 4 are separately mounted to circular hole
On the inner wall of 34a and in the top exterior walls of shaft member 35a.The wiper of rubber 4 of installation is staggeredly covered for dust-break, and not
Influence whether the movement of poke rod 33.The two sides of 1 bottom of storage tank are equipped with the polished rod guiding of parallel interval setting
Bar 51 and screw rod guide rod 52, the two sides of the sliding platform 3 are equipped with and polished rod guide rod 51 and screw rod guide rod
Two guide sleeves 36 of 52 cooperations, are equipped between the polished rod guide rod 51 and the same side of screw rod guide rod 52
Fixing seat 53, the fixing seat 53 are fixedly connected with the bottom wall of storage tank 1, are additionally provided with driving in the fixing seat 53
The lead screw motor 54 of screw rod rotation, driving screw rod rotation by lead screw motor 54 keeps sliding platform 3 mobile.The gear
The inner wall of sealing strip 16 of the flitch 13 equipped with semicircular, the sealing strip 16 and discharge nozzle 12 fits closely, and uses
In preventing material from revealing.
The above described is only a preferred embodiment of the present invention, not making any limit to technical scope of the invention
System, therefore any trickle amendment to the above embodiments, equivalent variations according to the technical essence of the invention
With modification,
In the range of still falling within technical solution of the present invention.
Claims (6)
1. a kind of feed component of the automatic recipe maker of sand mixer, it is characterised in that: the feed component includes: discharge nozzle
(12) and under the sliding platform (3) that storage tank (1) bottom level moves back and forth, sliding platform (3) stationary state can divide
It is not corresponding with one discharge nozzle (12), the worm gear (31) being horizontally mounted, the sliding platform are equipped in the sliding platform (3)
(3) side is equipped with the endless screw electric motor (32) of driving worm gear (31) rotation, and the top of the worm gear is equipped with vertical poke rod
(33), the poke rod (33) passes through at the top of sliding platform (3) and is erected on sliding platform (3), and under working condition, sliding is flat
Platform (3) is moved to the bottom of a discharge nozzle (12), and endless screw electric motor (32) driving worm gear (31) makes poke rod (33) and control-rod
(14) connection is contradicted；The sliding platform (3) includes shell (34) and axle sleeve (35), and the bottom of the shell (34) offers appearance
Receive chamber, the axle sleeve (35) include tubulose shaft member (35a) and setting the bottom shaft member (35a) around shaft member (35a) outside
The fixed part (35b) that wall is set up, the worm gear (31) are set in the top on shaft member (35a) and being located at fixed part (35b), institute
It states fixed part (35b) and is fixedly connected by bolt with the bottom wall of shell (34), the worm gear (31) and shaft member (35a) are in
Shell (34) is internal, offers circular hole (34a) at the top of the shell (34), under working condition, sliding platform (3) is moved to
The lower section of one discharge nozzle (12), the circular hole (34a) are located at the underface of discharge nozzle (12)；The discharge nozzle (12) is circle
Tubular, top are fixedly connected with storage tank (1), and the bottom of discharge nozzle (12) is equipped with semicircular sealing plate (15), discharge nozzle
(12) bottom is equipped with semicircular opening (12b), and the opening (12b) is equipped with the striker plate (13) that can be closed, described
Striker plate (13) is semicircle, and the center point of the striker plate (13) and the center point of sealing plate (15) are hinged, the striker plate
(13) edge is equipped with horizontal-extending control-rod (14), and the outer wall of the discharge nozzle (12) is equipped with to be set up around the center point
Semi-circular through slot (12a), the control-rod (14) passes through through slot (12a), under working condition, stirs control-rod (14) around backgauge
The center point of plate (13) rotates, and striker plate (13) covers sealing plate (15) when control-rod (14) is moved to the one end through slot (12a),
Discharge nozzle (12) is in the open state；Striker plate (13) is by discharge nozzle when control-rod (14) is moved to through slot (12a) other end
(12) bottom semicircular opening (12b) covering, discharge nozzle (12) are in close state；The feed component is located at sand mixer
(2) top；It further include the control system for controlling discharge nozzle (12) opening time.
2. a kind of feed component of the automatic recipe maker of sand mixer according to claim 1, it is characterised in that: the axis
It is equipped between the outer wall of part (35a) and circular hole (34a) inner wall at the top of shell (34) logical for poke rod (33) mobile annular
Road.
3. a kind of feed component of the automatic recipe maker of sand mixer according to claim 2, it is characterised in that: the ring
Shape channel is equipped with two cricoid wiper of rubber (4) of staggeredly covering installation, two cricoid wiper of rubber
(4) be separately mounted on the inner wall of circular hole (34a) and the top exterior walls of shaft member (35a) on.
4. a kind of feed component of the automatic recipe maker of sand mixer according to claim 3, it is characterised in that: the storage
The two sides of batch can (1) bottom are equipped with the polished rod guide rod (51) and screw rod guide rod (52) of parallel interval setting, the sliding
The two sides of platform (3) are equipped with two guide sleeves (36) with polished rod guide rod (51) and screw rod guide rod (52) cooperation, described
Be equipped with fixing seat (53) between the same side of polished rod guide rod (51) and screw rod guide rod (52), the fixing seat (53) with
The bottom wall of storage tank (1) is fixedly connected, and the lead screw motor (54) drived screw rod rotation is additionally provided on the fixing seat (53).
5. a kind of feed component of the automatic recipe maker of sand mixer according to claim 4, it is characterised in that: the gear
The inner wall of sealing strip (16) of the flitch (13) equipped with semicircular, the sealing strip (16) and discharge nozzle (12) fits closely.
6. a kind of sand mixer, it is characterised in that the feed component of the automatic recipe maker including any one of claim 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811052372.3A CN108788005B (en) | 2017-01-05 | 2017-01-05 | A kind of sand mixer and its feed component |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811052372.3A CN108788005B (en) | 2017-01-05 | 2017-01-05 | A kind of sand mixer and its feed component |
| CN201710007026.2A CN107159838B (en) | 2017-01-05 | 2017-01-05 | A kind of automatic recipe maker of sand mixer |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710007026.2A Division CN107159838B (en) | 2017-01-05 | 2017-01-05 | A kind of automatic recipe maker of sand mixer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108788005A CN108788005A (en) | 2018-11-13 |
| CN108788005B true CN108788005B (en) | 2019-11-08 |
Family
ID=59848632
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811052372.3A Expired - Fee Related CN108788005B (en) | 2017-01-05 | 2017-01-05 | A kind of sand mixer and its feed component |
| CN201710007026.2A Expired - Fee Related CN107159838B (en) | 2017-01-05 | 2017-01-05 | A kind of automatic recipe maker of sand mixer |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710007026.2A Expired - Fee Related CN107159838B (en) | 2017-01-05 | 2017-01-05 | A kind of automatic recipe maker of sand mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN108788005B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108927490B (en) * | 2018-06-27 | 2020-06-05 | 共享智能铸造产业创新中心有限公司 | Sand supply and mixing system applied to 3D printer |
| CN110181785A (en) * | 2019-05-07 | 2019-08-30 | 四川力达建材科技有限公司 | A kind of assembled wallboard extrusion forming system |
| CN112316841A (en) * | 2021-01-04 | 2021-02-05 | 山东黄金矿业科技有限公司充填工程实验室分公司 | Precise powder proportioning and mixing device for mine and use method |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3198386A (en) * | 1963-02-08 | 1965-08-03 | Hartley Controls Corp | Constant volume feeder for flowable granular material |
| JP3328722B2 (en) * | 1994-05-25 | 2002-09-30 | 太洋マシナリー株式会社 | Foundry sand recycling equipment |
| CN2239957Y (en) * | 1995-09-12 | 1996-11-13 | 河南省安阳钢铁公司 | Loose material discharging bunker swirl-nozzle |
| JP3638137B2 (en) * | 2002-01-28 | 2005-04-13 | 新東工業株式会社 | Sand supply method for supplying sampling sand from a kneader to a sand property measuring device and sand supply device therefor |
| BRPI0418069B1 (en) * | 2004-01-29 | 2016-03-29 | Gjerdrum As Ing | untreated drill cutter conveyor system |
| CN202358345U (en) * | 2011-10-31 | 2012-08-01 | 泉州长盛茶叶机械有限公司 | Feeding mechanism of sub-packaging machine |
| CN202952386U (en) * | 2012-12-10 | 2013-05-29 | 范书伟 | Automatic computer batching system for metallurgical refractory industry |
| CN202963364U (en) * | 2012-12-12 | 2013-06-05 | 巩义市五耐科技开发有限公司 | Feed device of sand mixer |
| CN203541427U (en) * | 2013-07-22 | 2014-04-16 | 湖南衡泰机械科技有限公司 | Rail rocker arm type automatic sand mixer |
| CN203448602U (en) * | 2013-07-23 | 2014-02-26 | 湖南衡泰机械科技有限公司 | Track wheel sliding base of track type automatic rocker sand mixer |
| CN203484600U (en) * | 2013-10-10 | 2014-03-19 | 河南省金太阳铸造有限公司 | Hopper of resin sand mixer |
| CN104016144B (en) * | 2014-06-18 | 2016-08-24 | 云南大红山管道有限公司 | The disc feeding system that a kind of feeding coal is controlled |
| CN204161978U (en) * | 2014-10-14 | 2015-02-18 | 东莞市卓安精机自动化设备有限公司 | Rotating disc type pipe dress loader |
| CN104608947B (en) * | 2015-01-09 | 2016-08-10 | 常州先进制造技术研究所 | A kind of dosing system of granule materials |
| AT516791B1 (en) * | 2015-01-28 | 2019-08-15 | Knorr Bremse Gmbh | Rotary valve with improved drive |
| CN206229963U (en) * | 2016-10-09 | 2017-06-09 | 江苏胜友机械配件制造有限公司 | A kind of wheeled puddle mixer of gear drive type |
| CN106583639A (en) * | 2016-12-22 | 2017-04-26 | 刘霞 | Sand mixer |
-
2017
- 2017-01-05 CN CN201811052372.3A patent/CN108788005B/en not_active Expired - Fee Related
- 2017-01-05 CN CN201710007026.2A patent/CN107159838B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN107159838B (en) | 2018-11-02 |
| CN107159838A (en) | 2017-09-15 |
| CN108788005A (en) | 2018-11-13 |
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