CN204777745U - Discharging device of powder feed bin - Google Patents
Discharging device of powder feed bin Download PDFInfo
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- CN204777745U CN204777745U CN201520511124.6U CN201520511124U CN204777745U CN 204777745 U CN204777745 U CN 204777745U CN 201520511124 U CN201520511124 U CN 201520511124U CN 204777745 U CN204777745 U CN 204777745U
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- warehouse
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- drawing mechanism
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Abstract
The utility model discloses a discharging device of powder feed bin, wherein, discharging device of powder feed bin includes the powder storehouse body, screw conveyer, the intermediate bin body and propeller pump conveyor, the powder storehouse body is including the cylindrical storehouse body and the toper storehouse body of setting in cylindrical storehouse body below, screw conveyer sets up in toper storehouse bottom physically, the intermediate bin body sets up the bottom at screw conveyer, propeller pump conveyor sets up the bottom at the intermediate bin body. Through the utility model discloses a discharging device of powder feed bin, the firm output that powder feed bin ration was unloaded can also be controlled effectively to problem that the ejection of compact such as knot hunch, jam, wall built -up and disconnected material of having avoided the powder feed bin to appear at ejection of compact in -process have some setbacks. The utility model discloses with the storage and transport integration of powder, supply with the powder material and divide the two -stage to supply with, it to strengthen the mobility of powder to personally experience sth. Part of the body through the intermediate bin.
Description
Technical field
The utility model relates to discharging equipment field, particularly relates to a kind of drawing mechanism of powder material warehouse.
Background technology
Feed bin is that material stores and to let slip in journey conventional device with unloading, due to the physical flow of powder, physical holding of the stock with unload the change of letting slip Cheng Zhonghui and presenting large span.When being in high high flow and high pressure conductance containing having similar liquids during gaseity by air constant impingement, result easily causes cruelly rushing out-of-control phenomenon; When being in static sedimentation for a long time not only because gas pressurized in powder upwards can form solid-state lazy flow and high pressure barrier after effusion naturally, result easily causes again blocking fracture out-of-control phenomenon; When moisture in feed bin is too high or when material be not runny material time, often near the discharging opening of hopper, easily there is arch camber or be compacted, the phenomenon such as discharging is not smooth, thus have a strong impact on the flowing of material, causing storehouse to be expected cannot regular supply; These phenomenons bring very large difficulty to quantitatively giving the technical finesse of discharging at the bottom of powder storehouse, directly have influence on guarantee and the lifting of subsequent technique yield and quality, thus the normal operation that impact is produced.
Traditional powder storage is according to the different qualities design cone section of powder and fluidisation part, but to powder change in physical properties bad adaptability, cannot be prevented " bridge formation " by the smoothness of tapering and inner lining material under change warehouse, " compacting " phenomenon is usually there is as used hopper wall vibrator powder that is large for moisture and flow characteristic difference, and automatic control level is lower, in powder conveying process, powder warehouse easily blocks and builds bridge.In the metering of powder, the reason affecting powder metering precision no longer concentrates on metering outfit itself, and the problems such as wind of the returning when homogeneity of powder feeder process, stability and Geldart-D particle have become the principal element affecting measuring accuracy.
In prior art, in already present technical materials, if application number is in the patent documentation of CN201310678940, CN201420119246 etc., although to some extent solve powder arching problem, but its poor effect, still well cannot solve the problem such as knot arch, blocking, wall built-up and fracture easily occurred in discharging process.
Therefore, prior art has yet to be improved and developed.
Utility model content
In view of above-mentioned the deficiencies in the prior art, the purpose of this utility model is the drawing mechanism providing a kind of powder material warehouse, is intended to solve existing drawing mechanism and easily occurs the problems such as knot arch, blocking, wall built-up and fracture.
The technical solution of the utility model is as follows:
A kind of drawing mechanism of powder material warehouse, wherein, comprise powder warehouse, conveyor screw, middle warehouse and spiral pump feedway, described powder warehouse comprises cylindrical warehouse and is arranged on the taper warehouse below cylindrical warehouse, described conveyor screw is arranged on the bottom of taper warehouse, described middle warehouse is arranged on the bottom of conveyor screw, and described spiral pump feedway is arranged on the bottom of middle warehouse.
The drawing mechanism of described powder material warehouse, wherein, the top of described cylindrical warehouse is provided with inlet point, is provided with powder filtering installation below described inlet point, institute's inlet point is provided with the first airflow balance part.
The drawing mechanism of described powder material warehouse, wherein, described taper warehouse is provided with strength vibration hammer, and described strength vibration hammer is connected with described conveyor screw, and with described conveyor screw synchronous averaging.
The drawing mechanism of described powder material warehouse, wherein, the inlet point of described conveyor screw is connected to the discharging opening of taper warehouse, and the discharging opening of described conveyor screw is connected to the inlet point of middle warehouse.
The drawing mechanism of described powder material warehouse, wherein, described conveyor screw is provided with a driving motor, be connected to described driving motor and for carrying out the actuating device of variable frequency control to operational throughput and being connected to the metering device assembly of described actuating device.
The drawing mechanism of described powder material warehouse, wherein, described middle warehouse is provided with spiral agitator, the screw assembly that described spiral agitator comprises transmission component and is connected with transmission component.
The drawing mechanism of described powder material warehouse, wherein, described transmission component comprises a spinning motor and revoluting motor, described spinning motor is connected to a rotation reductor, described revoluting motor connects a revolution reductor, and described rotation reductor and revolution reductor connect described screw assembly by a driving device.
The drawing mechanism of described powder material warehouse, wherein, described screw assembly comprises the cantilever of two asymmetric geometries.
The drawing mechanism of described powder material warehouse, wherein, described spiral pump feedway comprises spiral body, the second airflow balance part and powder spray emitter, and described second airflow balance part is arranged on the blanking port upper end of spiral body, and described powder spray emitter is arranged on the blanking port lower end of spiral body.
The drawing mechanism of described powder material warehouse, wherein, described middle warehouse and spiral pump feedway are arranged on same steel platform, and described steel mesa base is provided with LOAD CELLS group.
Beneficial effect: by the drawing mechanism of powder material warehouse of the present invention, avoids the problem that the dischargings such as knot arch that powder material warehouse occurs in discharging process, blocking, wall built-up and fracture have some setbacks, effectively can also control the stable output of the quantitative discharging of powder material warehouse.The utility model, by the storage of powder and transportation integration, by powder material supply point two-stage supply, dispersibles the flowing power strengthening powder by middle warehouse.
Accompanying drawing explanation
Fig. 1 is the structural representation of the drawing mechanism preferred embodiment of a kind of powder material warehouse of the utility model.
Fig. 2 is the structural representation of the middle warehouse of the utility model preferred embodiment.
Detailed description of the invention
The utility model provides a kind of drawing mechanism of powder material warehouse, for making the purpose of this utility model, technical scheme and effect clearly, clearly, further describes below to the utility model.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 1, Fig. 1 is the structural representation of the drawing mechanism preferred embodiment of a kind of powder material warehouse of the utility model, as shown in the figure, it comprises powder warehouse 10, conveyor screw 20, middle warehouse 30 and spiral pump feedway 40, the taper warehouse 12 that described powder warehouse 10 comprises cylindrical warehouse 11 and is arranged on below cylindrical warehouse 11, described conveyor screw 20 is arranged on the bottom of taper warehouse 12, described middle warehouse 30 is arranged on the bottom of conveyor screw 20, and described spiral pump feedway 40 is arranged on the bottom of middle warehouse 30.
In the utility model, powder warehouse 10 has barrel portion (cylindrical warehouse 11) and cone section part (taper warehouse 12), cone section section lower connects the lower cone 121 that has larger discharging opening, the hopper inclination angle of cone section part is for being more than or equal to 60 ° (being such as 60 °), the discharging opening size of taper warehouse: it is such as 600mm that diameter is more than or equal to 600mm(, general discharging opening diameter and cylindrical warehouse diameter proportion >=1/5).The top of described cylindrical warehouse 11 is provided with inlet point 110, is provided with powder filtering installation below described inlet point 110, institute's inlet point 110 is provided with the first airflow balance part.
Powder is delivered to the inlet point of powder warehouse 10 (also can claim large powder storehouse) by strength or mechanical lifting mode, and powder warehouse 10 top arranges dust exhaustor, explosion door, manhole, height level sensor according to tolerance and powder characteristics.
The lower cone 121 of described taper warehouse 12 bottom is provided with strength vibration hammer, and described strength vibration hammer is connected with described conveyor screw 20, and with described conveyor screw 20 synchronous averaging.It is outside that described strength vibration hammer specifically can be arranged on lower cone 121, and 6 vibrating arms can be installed in lower cone 121 inside.This strength vibration hammer is controlled by programming controller, and the conveyor screw 20 that described strength vibration hammer is connected with this lower cone 121 bottom links, start this strength vibration hammer when this conveyor screw 20 runs fast, and loosen powder so that smooth and easy blanking by the vibration of inner vibrating arm transmit machine.
The inlet point of described conveyor screw 20 is directly connected in the discharging opening of taper warehouse 12, and the discharging opening of described conveyor screw 20 is connected to the inlet point of middle warehouse 30.Conveyor screw 20 discharging opening can be connected by soft connection device with the connection mode of middle warehouse 30 inlet point of bottom.Described conveyor screw 20 is provided with a driving motor, be connected to described driving motor and for carrying out the actuating device of variable frequency control to operational throughput and being connected to the metering device assembly of described actuating device.Frequency converter in the configurable actuating device of actuating device, and controlled by frequency control according to the conveying amount of warehouse 30 material loading degree to this conveyor screw 10 in the middle of bottom, continus convergence material is carried at the specified operational throughput variable of 5-100%, course of conveying pulse free.Instantaneous and accumulation metering can be carried out to the inventory being delivered to middle warehouse 30 from powder material warehouse 10 in real time by described metering device assembly.
The screw shaft of conveyor screw 20 adopts dual-support structure, and the blade on screw shaft adopts constant pitch, and sealing adopts oil sealing and sealing gland, works more reliable.
Be transported to the process of middle warehouse 30 from powder warehouse 10 by conveyor screw 20 at powder, owing to have passed through the metering device assembly being arranged on conveyor screw 20, so instantaneous and accumulation metering can be carried out to the inventory being delivered to middle warehouse 30 from powder material warehouse 10.And metering device assembly does not affect by returning the wind factor such as to collaborate as Geldart-D particle, ensure that the accuracy of material metering.
As shown in Figure 2, middle warehouse 30 top is provided with inlet point 31, arranges bleeder valve 310 bottom it.This middle warehouse 30 is pyramidal structure, make discharging rapidly, zero discharge dead angle.
Described middle warehouse 30 is provided with spiral agitator, the screw assembly that described spiral agitator comprises transmission component and is connected with transmission component.This spiral agitator is cantilever spiral structure, and it comprises a conical shell 38.
Described transmission component comprises a spinning motor 311 and revoluting motor 34, described spinning motor 311 is connected to a rotation reductor 32, described revoluting motor 34 connects a revolution reductor 33, and described rotation reductor 32 and revolution reductor 33 connect described screw assembly by a driving device (comprising the transmission distribution box 37, pivoted arm 36 and the driving head 35 that connect successively).The motion of described spinning motor 311 and revoluting motor 34, adjusts to rational speed by rotation reductor 32 and revolution reductor 33, and then by passing to, screw assembly makes screw assembly realize certainly, two kinds of motions of revolving round the sun.
Described screw assembly comprises the cantilever 39 of two asymmetric geometries.The cantilever of these two asymmetric geometries is done when, revolution planet motion, can in a big way turning over materials, make material reach dispersion fast.The bleeder valve 310 arranged in the bottom of middle warehouse, can be used for controlling material and flow out and blowing, this this bleeder valve 310 can divide the forms such as manual, motor-driven, pneumatic.Bleeder valve 310 bottom of middle warehouse 30 connects spiral pump feedway 40.Middle warehouse 30 adopts the mode that is flexible coupling to be connected with spiral pump feedway 40.
Further, described spiral pump feedway 40 comprises spiral body, the second airflow balance part and powder spray emitter, and described second airflow balance part is arranged on the blanking port upper end of spiral body, and described powder spray emitter is arranged on blanking port lower end.Spiral pump feedway is spiral Pneumatic conveyer.Wind-fall of returning in process of pneumatic transmission goes out by this second airflow balance part, and the blanking port bottom of this spiral body connects powder spray emitter by the mode that is flexible coupling.
Further, described middle warehouse 30 and spiral pump feedway 40 are arranged on same steel platform 50, are provided with LOAD CELLS group 51 bottom described steel platform 50, and LOAD CELLS group 51 is weighed in real time to middle warehouse 30.The volume of middle warehouse 30 arranges the powder amount of 30 ~ 80% volumes according to powder physical property, the Rong Fenliang of middle warehouse 30 carries out processing controls by programming controller according to LOAD CELLS group 51 transmission signal, then control the Rong Fenliang of this middle warehouse 30, ensure that homogeneity and the stability of intermediate bunker discharging.
Powder is specially cylindrical warehouse from through powder warehouse 10() inlet point, by having the lower cone 121 of large-size discharging opening, and in conjunction with strength vibration hammer mounted externally and inner vibrating arm, powder material is smoothly derived, then middle warehouse 30 is transported to by conveyor screw 20, in middle warehouse 30, by spiral agitator, stirring dispersion is carried out to powder, loose being easy to of material is flowed, blanking is smooth and easy, powder is flowed into spiral pump feedway 40 by the bleeder valve 310 then through middle warehouse 30, by spiral pump feedway 40, powder is exported, reach even, continuous print is for conveying.
In sum, the utility model, by the storage of powder and transportation integration, by powder material supply point two-stage supply, if middle warehouse, dispersibles the flowing power strengthening powder.Solve the problem that the dischargings such as powder material warehouse knot arch, blocking, wall built-up and fracture have some setbacks, effectively can also control powder material warehouse quantitatively to the stable output of discharging.
Should be understood that; application of the present utility model is not limited to above-mentioned citing; for those of ordinary skills, can be improved according to the above description or convert, all these improve and convert the protection domain that all should belong to the utility model claims.
Claims (10)
1. the drawing mechanism of a powder material warehouse, it is characterized in that, comprise powder warehouse, conveyor screw, middle warehouse and spiral pump feedway, described powder warehouse comprises cylindrical warehouse and is arranged on the taper warehouse below cylindrical warehouse, described conveyor screw is arranged on the bottom of taper warehouse, described middle warehouse is arranged on the bottom of conveyor screw, and described spiral pump feedway is arranged on the bottom of middle warehouse.
2. the drawing mechanism of powder material warehouse according to claim 1, is characterized in that, the top of described cylindrical warehouse is provided with inlet point, is provided with powder filtering installation below described inlet point, described inlet point is provided with the first airflow balance part.
3. the drawing mechanism of powder material warehouse according to claim 1, is characterized in that, described taper warehouse is provided with strength vibration hammer, and described strength vibration hammer is connected with described conveyor screw, and with described conveyor screw synchronous averaging.
4. the drawing mechanism of powder material warehouse according to claim 1, is characterized in that, the inlet point of described conveyor screw is connected to the discharging opening of taper warehouse, and the discharging opening of described conveyor screw is connected to the inlet point of middle warehouse.
5. the drawing mechanism of powder material warehouse according to claim 1, it is characterized in that, described conveyor screw is provided with a driving motor, be connected to described driving motor and for carrying out the actuating device of variable frequency control to operational throughput and being connected to the metering device assembly of described actuating device.
6. the drawing mechanism of powder material warehouse according to claim 1, is characterized in that, described middle warehouse is provided with spiral agitator, the screw assembly that described spiral agitator comprises transmission component and is connected with transmission component.
7. the drawing mechanism of powder material warehouse according to claim 6, it is characterized in that, described transmission component comprises a spinning motor and revoluting motor, described spinning motor is connected to a rotation reductor, described revoluting motor connects a revolution reductor, and described rotation reductor and revolution reductor connect described screw assembly by a driving device.
8. the drawing mechanism of powder material warehouse according to claim 6, is characterized in that, described screw assembly comprises the cantilever of two asymmetric geometries.
9. the drawing mechanism of powder material warehouse according to claim 1, it is characterized in that, described spiral pump feedway comprises spiral body, the second airflow balance part and powder spray emitter, described second airflow balance part is arranged on the blanking port upper end of spiral body, and described powder spray emitter is arranged on the blanking port lower end of spiral body.
10. the drawing mechanism of powder material warehouse according to claim 1, is characterized in that, described middle warehouse and spiral pump feedway are arranged on same steel platform, and described steel mesa base is provided with LOAD CELLS group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520511124.6U CN204777745U (en) | 2015-07-15 | 2015-07-15 | Discharging device of powder feed bin |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520511124.6U CN204777745U (en) | 2015-07-15 | 2015-07-15 | Discharging device of powder feed bin |
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| CN204777745U true CN204777745U (en) | 2015-11-18 |
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| CN201520511124.6U Active CN204777745U (en) | 2015-07-15 | 2015-07-15 | Discharging device of powder feed bin |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105292819A (en) * | 2015-11-20 | 2016-02-03 | 无锡正佳自控系统设备有限公司 | Assembly for powder feeding bin |
| CN107244498A (en) * | 2017-07-14 | 2017-10-13 | 山东省环能设计院股份有限公司 | A kind of hard and soft Combined type underground hopper feed machine |
| CN108190549A (en) * | 2018-02-26 | 2018-06-22 | 想念食品股份有限公司 | A kind of automatic powder-supply system of flour and its application method |
| CN108472608A (en) * | 2015-12-09 | 2018-08-31 | 欧瑞康美科（美国）公司 | The powder hopper of the powder for being difficult to flow for being used in thermojet and making and the method for using it |
| CN108529142A (en) * | 2017-03-02 | 2018-09-14 | 中国科学院福建物质结构研究所 | A kind of powder feeder for conveying fine powder |
| CN110013793A (en) * | 2019-05-09 | 2019-07-16 | 恒天宝丽丝生物基纤维股份有限公司 | Dye powder auxiliary agent low dose scraper type metering supply device |
| CN113070145A (en) * | 2021-03-29 | 2021-07-06 | 江苏中宏环保科技有限公司 | Fine rubber powder production line |
-
2015
- 2015-07-15 CN CN201520511124.6U patent/CN204777745U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105292819A (en) * | 2015-11-20 | 2016-02-03 | 无锡正佳自控系统设备有限公司 | Assembly for powder feeding bin |
| CN108472608A (en) * | 2015-12-09 | 2018-08-31 | 欧瑞康美科（美国）公司 | The powder hopper of the powder for being difficult to flow for being used in thermojet and making and the method for using it |
| CN108529142A (en) * | 2017-03-02 | 2018-09-14 | 中国科学院福建物质结构研究所 | A kind of powder feeder for conveying fine powder |
| CN107244498A (en) * | 2017-07-14 | 2017-10-13 | 山东省环能设计院股份有限公司 | A kind of hard and soft Combined type underground hopper feed machine |
| CN108190549A (en) * | 2018-02-26 | 2018-06-22 | 想念食品股份有限公司 | A kind of automatic powder-supply system of flour and its application method |
| CN110013793A (en) * | 2019-05-09 | 2019-07-16 | 恒天宝丽丝生物基纤维股份有限公司 | Dye powder auxiliary agent low dose scraper type metering supply device |
| CN113070145A (en) * | 2021-03-29 | 2021-07-06 | 江苏中宏环保科技有限公司 | Fine rubber powder production line |
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