CN107381057A - A kind of micro-nano powder powder feeder that uninterrupted powder feeding can be achieved - Google Patents

A kind of micro-nano powder powder feeder that uninterrupted powder feeding can be achieved Download PDF

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Publication number
CN107381057A
CN107381057A CN201710785418.1A CN201710785418A CN107381057A CN 107381057 A CN107381057 A CN 107381057A CN 201710785418 A CN201710785418 A CN 201710785418A CN 107381057 A CN107381057 A CN 107381057A
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CN
China
Prior art keywords
powder
main cavity
rotating shaft
micro
rotation storage
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Granted
Application number
CN201710785418.1A
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Chinese (zh)
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CN107381057B (en
Inventor
彭徽
王新浩
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Beijing Golden Sail Technology Co Ltd
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Beijing Golden Sail Technology Co Ltd
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Priority to CN201710785418.1A priority Critical patent/CN107381057B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/04Conveying materials in bulk pneumatically through pipes or tubes; Air slides
    • B65G53/06Gas pressure systems operating without fluidisation of the materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/34Details
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/34Details
    • B65G53/40Feeding or discharging devices
    • B65G53/46Gates or sluices, e.g. rotary wheels
    • B65G53/4608Turnable elements, e.g. rotary wheels with pockets or passages for material

Abstract

The present invention relates to a kind of micro-nano powder powder feeder, in particular it is a kind of micro-nano powder powder feeder that uninterrupted powder feeding can be achieved, the characteristics of uninterruptedly continuously supply, powder feeding are not limited by powder flowbility with stable, the achievable powder of powder feeding rate, the continuous powder feeding of tiny micro-nano powder can be realized by carrier gas, can meet the needs of powder processing such as spraying, deposition, spheroidizing of powder processing.Main cavity is with adding powder cabin to be connected;Rotation storage powder hopper is placed in main cavity, and vibrator is arranged on the side of main cavity, and rotary sealing appts are arranged in the sealing of main cavity on lid, and motor is connected with rotary sealing appts;Copper sheathing has two, the copper sheathing of lower section is connected with main cavity, the copper sheathing of top is connected with rotation storage powder hopper, rotating shaft is provided between two copper sheathings, puddler is arranged in the rotating shaft, and holddown spring is sleeved in the rotating shaft, and projection is provided with rotating shaft, fixed rendering is arranged in the rotating shaft, and screen mesh type small opening is arranged in rotation storage powder hopper.

Description

A kind of micro-nano powder powder feeder that uninterrupted powder feeding can be achieved
Technical field
The present invention relates to a kind of micro-nano powder powder feeder, is in particular a kind of micro-nano that uninterrupted powder feeding can be achieved Ground rice body powder feeder.
Background technology
Powder feeder is the core component of the powder processing equipments such as thermal spraying, cold spraying, deposition, spheroidizing of powder, powder feeding process Continuity and uniformity will directly affect the stability of powder process.Currently used powder feeder is broadly divided into rotating disk Formula powder feeder, boiling bed powder feeder, screw powder feeder, scrape disc type powder feeder, drum type powder feeder and Electromagnetically vibrating and send Powder device.
The powder feeder used currently on the market has that " Hu Xiaodong, Ma Lei, Luo Cheng laser claddings are synchronous for document Present Research [J] aero-manufacturing technologies of powder feeder, 2011 (9):The structure of rotating disc type powder feeder is described in 47-49 ".It is main To be made up of powder hopper, powder disk, starch sucking nozzle and flour extraction pipe.During work, powder falls into powder disk by self gravitation effect from powder hopper, and Delivered in the case where motor rotates induced effect at powder absorbing pipe, powder delivers to flour extraction pipe under gas pressure effect.Rotating disc type powder feeder Powder pushing precision is high, but requires that powder has preferable mobility, and powder has pulsation phenomenon in conveying, and precision is difficult into one Step lifting.In addition, rotating disc type powder feeder can not be applied to the micro-nano powder that powder size is tiny, mobility is poor.
Document " Spaulding M Westbury.Operational characteristics of locally fluidized powder feeders[C]//Proceeding of the 2008International Thermal The ebullated bed that powder feeding is realized using Dual-Phrase Distribution of Gas olid principle is described in Spray Conference, Netherlands, 2008 " Formula powder feeder.Boiling bed powder feeder powder sort form is not required, but powder feeding rate by gas conveying, accuracy compared with It is low.
Screw rod powder feeder realizes powder feeding by Mechanics of Machinery principle, and rotating drive by screw rod realizes that powder conveys, and by Carrier gas is sent out.Screw powder feeder is applicable to do, wet powder and molecule powder.But due to utilizing screw rod spacing powder feeding, It is difficult to micro powder feeding.
Drum type powder feeder makes powder fall into powder tank from powder hopper using Action of Gravity Field, and powder is transported by the uniform rotation of drum End.Drum type powder feeder is only applicable to the conveying of bulky grain powder, is easily blocked when conveying superfines and precision reduces.
Electromagnetically vibrating powder feeder divides device and helicla flute to form by electromagnetic vibrator, powder-storage bin, resistance.During work powder along Helicla flute rises and sent out by carrier gas.The problem of powder feeding rate adjustability difference and low precision be present in electric and magnetic oscillation powder feeder.
In addition the problem of above-mentioned powder feeder is in the presence of that after powder addition, can not realize subsequent charge, it is difficult to meet continuous Production needs.
The content of the invention
The present invention solves the technical problem of provide it is a kind of can be achieved uninterrupted powder feeding micro-nano powder powder feeder, The characteristics of uninterruptedly continuously supply, powder feeding are not limited by powder flowbility with stable, the achievable powder of powder feeding rate, can pass through The continuous powder feeding of tiny micro-nano powder is realized in carrier gas, can meet the need of the powder processing such as spraying, deposition, spheroidizing of powder processing Ask.
In particular it is that one kind can in order to solve the above technical problems, the present invention relates to a kind of micro-nano powder powder feeder Realize the micro-nano powder powder feeder of uninterrupted powder feeding, including it is main cavity plus powder cabin, vibrator, motor, rotation storage powder hopper, solid Fixed renderings, threeway meal outlet, rotary sealing appts, puddler, holddown spring, screen mesh type small opening, cone, outlet one, export two, Air inlet, valve one, valve two, copper sheathing, rotation stop fixed support, have stable, the achievable powder of powder feeding rate uninterruptedly continuous The characteristics of supply, powder feeding are not limited by powder flowbility, the continuous powder feeding of tiny micro-nano powder can be realized by carrier gas, can be expired The demand of the powder processing such as foot spraying, deposition, spheroidizing of powder processing.
Add to be provided with powder cabin in sealing and cover, valve two is set herein in sealing on lid, and valve one, which is arranged on, adds powder cabin Lower end, main cavity is with adding powder cabin to be connected, and main cavity is positioned at the lower section for adding powder cabin;Rotation storage powder hopper is placed in main cavity, Vibrator is arranged on the side of main cavity, and rotary sealing appts are arranged in the sealing of main cavity on lid, and rotatory sealing fills Put and be inserted into rotation storage powder hopper, motor is connected with rotary sealing appts;Air inlet is arranged in the sealing on main cavity and covered On, cone is arranged on main cavity, and is arranged on positioned at the lower end of main cavity, threeway meal outlet on the lower end mouth of pipe of cone, Outlet one and outlet two are provided with threeway meal outlet;Copper sheathing has two, and the copper sheathing of lower section is connected with main cavity, the copper of top Set is connected with rotation storage powder hopper, and rotating shaft is provided between two copper sheathings, and puddler is arranged in the rotating shaft, holddown spring set In the rotating shaft, projection is provided with rotating shaft, the upper end of holddown spring is in contact with the copper sheathing of top, under holddown spring End is in contact with the projection, and puddler is arranged in the rotating shaft, and fixed rendering is arranged in the rotating shaft, and fixed powder Brush is in contact with screen mesh type small opening, and screen mesh type small opening is arranged in rotation storage powder hopper, and positioned at the bottom of rotation storage powder hopper.
As the further optimization of the technical program, a kind of micro-nano powder powder feeding that uninterrupted powder feeding can be achieved of the present invention The preferred stepper motor of motor described in device.
As the further optimization of the technical program, a kind of micro-nano powder powder feeding that uninterrupted powder feeding can be achieved of the present invention Valve is provided with threeway meal outlet described in device.
As the further optimization of the technical program, a kind of micro-nano powder powder feeding that uninterrupted powder feeding can be achieved of the present invention Rotary sealing appts described in device store up powder hopper to be fixedly connected with rotation.
A kind of micro-nano powder powder feeder that uninterrupted powder feeding can be achieved of the present invention has the beneficial effect that:
A kind of micro-nano powder powder feeder that uninterrupted powder feeding can be achieved of the present invention, have powder feeding rate stable, achievable The characteristics of powder is uninterruptedly continuously supplied, powder feeding is not limited by powder flowbility, can realize tiny micro-nano powder by carrier gas Continuous powder feeding, can meet spraying, deposition, spheroidizing of powder processing etc. powder processing the needs of.
Brief description of the drawings
The present invention will be further described in detail with specific implementation method below in conjunction with the accompanying drawings.
Fig. 1 is a kind of structural representation for the micro-nano powder powder feeder that uninterrupted powder feeding can be achieved of the present invention.
Fig. 2 is that a kind of structure of the fixed rendering 6 of micro-nano powder powder feeder that uninterrupted powder feeding can be achieved of the present invention is shown It is intended to.
In figure:Main cavity 1;Add powder cabin 2;Vibrator 3;Motor 4;Rotation storage powder hopper 5;It is fixed to paint 6;Threeway meal outlet 7; Rotary sealing appts 8;Puddler 9;Holddown spring 10;Screen mesh type small opening 11;Cone 12;Export 1;Export 2 14;Air inlet 15;Valve 1;Valve 2 17;Copper sheathing 18;Rotation stop fixed support 19.
Embodiment
Embodiment one:
Illustrate present embodiment with reference to Fig. 1 and Fig. 2, the present invention relates to a kind of micro-nano powder powder feeder, more specifically Say be it is a kind of can be achieved uninterrupted powder feeding micro-nano powder powder feeder, including main cavity 1, plus powder cabin 2, vibrator 3, motor 4th, rotation storage powder hopper 5, fixed 6, threeway meal outlet 7, rotary sealing appts 8, puddler 9, holddown spring 10, the screen mesh type of painting leak Hole 11, cone 12, outlet 1, outlet 2 14, air inlet 15, valve 1, valve 2 17, copper sheathing 18, rotation stop fixed support 19, there is the characteristics of stable, the achievable powder of powder feeding rate is uninterruptedly continuously supplied, powder feeding is not limited by powder flowbility, can The continuous powder feeding of tiny micro-nano powder is realized by carrier gas, the powder processing such as spraying, deposition, spheroidizing of powder processing can be met Demand.
Add to be provided with powder cabin 2 in sealing and cover, valve 2 17 is set herein in sealing on lid, and valve 1 is arranged on plus powder The lower end in storehouse 2, main cavity 1 with plus powder cabin 2 be connected, and main cavity 1 positioned at plus powder cabin 2 lower section, add powder cabin 2 be used for plus Powder, adds to be stamped in the sealing set in powder cabin 2 and helps pair plus powder cabin 2 is sealed and can do vacuumize process, valve two 17 setting be in order to pair plus powder cabin 2 carry out vacuumize process, valve 1 be used for control plus powder.
Rotation storage powder hopper 5 is placed in main cavity 1, and vibrator 3 is arranged on the side of main cavity 1, and rotary sealing appts 8 are set In the sealing of main cavity 1 on lid, and rotary sealing appts 8 are inserted into rotation storage powder hopper 5, and motor 4 fills with rotatory sealing 8 to be put to be connected, rotation storage powder hopper 5 is used to stir the powder added, and vibrator 3 can prevent micro-nano powder from adhering at cone 12, Powder feeding stability is improved, motor 4 drives rotary sealing appts 8 to rotate, and realizes the rotation of rotation storage powder hopper 5.
Air inlet 15 is arranged in the sealing on main cavity 1 on lid, and cone 12 is arranged on main cavity 1, and positioned at master The lower end of cavity 1, threeway meal outlet 7 are arranged on the lower end mouth of pipe of cone 12, and one 13 Hes of outlet are provided with threeway meal outlet 7 2 14 are exported, threeway meal outlet 7 can connect outlet 1 or connect outlet 2 14, (powder feeding or measure as needed Powder feeding rate) selectivity use.
Rotation stop fixed support 19 is connected with main cavity 1, and the copper sheathing 18 of top is connected with rotation storage powder hopper 5, copper sheathing 18 Rotating shaft is provided between rotation stop fixed support 19, puddler 9 is arranged in the rotating shaft, and holddown spring 10 is sleeved on described turn On axle, projection is provided with rotating shaft, the upper end of holddown spring 10 is in contact with the copper sheathing 18 of top, the lower end of holddown spring 10 with The projection is in contact, and puddler 9 is arranged in the rotating shaft, and fixed rendering 6 is arranged in the rotating shaft, and fixed rendering 6 are in contact with screen mesh type small opening 11, and screen mesh type small opening 11 is arranged in rotation storage powder hopper 5, and positioned at the bottom of rotation storage powder hopper 5 End, fixed 6 lower ends of painting are connected with profound bar, through screen mesh type small opening 11 after be connected with rotation stop fixed support 19.
The operation principle of device:When device works, the rotated sealing device 8 of motor 4 drives the rotation storage powder in main cavity 1 Bucket 5 rotates, and the powder in rotation storage powder hopper 5 follows rotation storage powder hopper 5 to turn in the lump under gravity in bottom deposition It is dynamic;The fixed 6 screen mesh type small openings 11 with rotation storage powder hopper 5 bottom in the presence of holddown spring 10 that paint contact, powder by The fixed stirring for painting 6 and puddler 9, and fallen into the presence of fixed rendering 6 through screen mesh type small opening 11 to the bottom of main cavity 1 Cone 12 conical region, into threeway meal outlet 7;By switching three-way meal outlet 7 can by powder from outlet 2 14 by carrying Pneumatic transmission goes out;The carrier gas is introduced in main cavity 1 by air inlet 15;Powder can also be switched to by switching three-way meal outlet 7 One 13 export are exported, can more conveniently determine powder powder feeding rate;Vibrator 3 is opened during powder feeding can prevent micro-nano powder Adhere at cone 12, improve powder feeding stability.
When the powder that rotation is stored up in powder hopper 5 exhausts, powder supplement can be carried out in powder hopper 5 by adding powder cabin 2 to store up rotation. Concretely comprise the following steps:Unlatching adds the upper lid of powder cabin 2 after closing valve 1, the powder used in addition in powder cabin 2 is added, and is covered simultaneously in closing Vacuumized as desired by 2 17 pairs of valve plus powder cabin 2, then turn on the powder of valve 1 and fall into rotation storage powder hopper 5.
In order to ensure that main cavity 1 seals during powder feeding, rotary sealing appts 8 can be carried out with rubber o-ring or magnetic fluid Sealing;Fixed rendering 6 is positioned by copper sheathing 18;Powder feeding rate can be changed by the speed of rotation for changing motor 4.
It is different according to pending powder diameter, screen mesh type small opening 11 can be changed, the hole of usual screen mesh type small opening 11 Footpath is bigger by more than 20% than the size of the largest particles in pending powder, the powder such as 45-106 micron grain sizes, can be selected 150 Small opening is made in the screen cloth of micron;It is less than 1 micron of nanometer powder for particle diameter, because powder flowbility is poor, can suitably increases The screen mesh size of selection, small opening such as is made from 10 microns of screen clothes.
Embodiment two:
Illustrate present embodiment with reference to Fig. 1 and Fig. 2, present embodiment is described further to embodiment one, institute The 4 preferred stepper motor of motor stated, can as needed regulation motor rotate speed.
Embodiment three:
Illustrate present embodiment with reference to Fig. 1 and Fig. 2, present embodiment is described further to embodiment one, institute Valve is provided with the threeway meal outlet 7 stated.
Embodiment four:
Illustrate present embodiment with reference to Fig. 1 and Fig. 2, present embodiment is described further to embodiment one, institute The rotary sealing appts 8 stated are to be fixedly connected with rotation storage powder hopper 5.
Certainly, described above is not limitation of the present invention, and the present invention is also not limited to the example above, the art The variations, modifications, additions or substitutions that those of ordinary skill is made in the essential scope of the present invention, fall within the guarantor of the present invention Protect scope.

Claims (4)

1. a kind of micro-nano powder powder feeder that uninterrupted powder feeding can be achieved, including main cavity (1) plus powder cabin (2), vibrator (3), motor (4), rotation storage powder hopper (5), fixed rendering (6), threeway meal outlet (7), rotary sealing appts (8), puddler (9), holddown spring (10), screen mesh type small opening (11), cone (12), one (13) of outlet, two (14) of outlet, air inlet (15), valve One (16) of door, valve two (17), copper sheathing (18), it is characterised in that:Add to be provided with powder cabin (2) in sealing and cover, valve two (17) Set herein in sealing on lid, valve one (16) is arranged on plus the lower end of powder cabin (2), and main cavity (1) is with adding powder cabin (2) to be connected It is logical, and main cavity (1) is positioned at the lower section for adding powder cabin (2);Rotation storage powder hopper (5) is placed in main cavity (1), vibrator (3) peace Mounted in the side of main cavity (1), rotary sealing appts (8) are arranged in the sealing of main cavity (1) on lid, and rotatory sealing fills Put (8) to be inserted into rotation storage powder hopper (5), motor (4) is connected with rotary sealing appts (8);Air inlet (15) is arranged on master In sealing on cavity (1) on lid, cone (12) is arranged on main cavity (1), and positioned at the lower end of main cavity (1), threeway Meal outlet (7) is arranged on the lower end mouth of pipe of cone (12), and threeway meal outlet (7) place is provided with outlet one (13) and outlet two (14);Copper sheathing (18) has two, and the copper sheathing (18) of lower section is connected with main cavity (1), copper sheathing (18) and the rotation storage powder of top Bucket (5) is connected, and rotating shaft is provided between two copper sheathings (18), and puddler (9) is arranged in the rotating shaft, holddown spring (10) It is sleeved in the rotating shaft, projection is provided with rotating shaft, the upper end of holddown spring (10) is in contact with the copper sheathing (18) of top, pressure The lower end of tight spring (10) is in contact with the projection, and puddler (9) is arranged in the rotating shaft, and fixed paint (6) are arranged on In the rotating shaft, and fixed paint (6) are in contact with screen mesh type small opening (11), and screen mesh type small opening (11) is arranged on rotation storage powder Struggle against on (5), and positioned at the bottom of rotation storage powder hopper (5).
A kind of 2. micro-nano powder powder feeder that uninterrupted powder feeding can be achieved according to claim 1, it is characterised in that:Institute Motor (4) the preferred stepper motor stated.
A kind of 3. micro-nano powder powder feeder that uninterrupted powder feeding can be achieved according to claim 1, it is characterised in that:Institute Threeway meal outlet (7) place stated is provided with valve.
A kind of 4. micro-nano powder powder feeder that uninterrupted powder feeding can be achieved according to claim 1, it is characterised in that:Institute The rotary sealing appts (8) stated are to be fixedly connected with rotation storage powder hopper (5).
CN201710785418.1A 2017-09-04 2017-09-04 A kind of micro-nano powder powder feeder that uninterrupted powder feeding can be achieved Active CN107381057B (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108972718A (en) * 2018-08-02 2018-12-11 芜湖市昌瑞金属粉末有限公司 A kind of metal powder cutting machine
CN109030706A (en) * 2018-06-05 2018-12-18 北京理工大学 A kind of combustion experimental device for preventing powder from reuniting in transit
WO2019112951A1 (en) * 2017-12-04 2019-06-13 Ecolab Usa Inc. Powder material hopper system with offset loading
WO2019214428A1 (en) * 2018-05-10 2019-11-14 福建工程学院 Grinding-assisted laser cladding powder feeder
CN113529072A (en) * 2021-07-14 2021-10-22 济南大学 Laser cladding boiling type powder feeder
CN114107946A (en) * 2022-01-21 2022-03-01 北京航空航天大学 Powder feeding mechanism, powder feeder and spraying equipment

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Publication number Priority date Publication date Assignee Title
CN2257230Y (en) * 1996-01-30 1997-07-02 中国工程物理研究院核物理与化学研究所 Laser spray welding powder delivery device
US20070209392A1 (en) * 2003-12-18 2007-09-13 3M Innovative Properties Company Method of making particles and materials
CN201737998U (en) * 2010-05-25 2011-02-09 宝山钢铁股份有限公司 Powder feeder with multiple powder channels
JP2012218818A (en) * 2011-04-04 2012-11-12 Hosokawa Micron Corp Powder feeder
CN206483518U (en) * 2016-12-14 2017-09-12 福建省然利食品有限公司 A kind of flour sieving device suitable for cake making
CN206569625U (en) * 2017-03-02 2017-10-20 中国科学院福建物质结构研究所 A kind of powder feeder for being used to convey fine powder

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2257230Y (en) * 1996-01-30 1997-07-02 中国工程物理研究院核物理与化学研究所 Laser spray welding powder delivery device
US20070209392A1 (en) * 2003-12-18 2007-09-13 3M Innovative Properties Company Method of making particles and materials
CN201737998U (en) * 2010-05-25 2011-02-09 宝山钢铁股份有限公司 Powder feeder with multiple powder channels
JP2012218818A (en) * 2011-04-04 2012-11-12 Hosokawa Micron Corp Powder feeder
CN206483518U (en) * 2016-12-14 2017-09-12 福建省然利食品有限公司 A kind of flour sieving device suitable for cake making
CN206569625U (en) * 2017-03-02 2017-10-20 中国科学院福建物质结构研究所 A kind of powder feeder for being used to convey fine powder

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019112951A1 (en) * 2017-12-04 2019-06-13 Ecolab Usa Inc. Powder material hopper system with offset loading
US10961002B2 (en) 2017-12-04 2021-03-30 Ecolab Usa Inc. Powder material hopper system with offset loading
WO2019214428A1 (en) * 2018-05-10 2019-11-14 福建工程学院 Grinding-assisted laser cladding powder feeder
CN109030706A (en) * 2018-06-05 2018-12-18 北京理工大学 A kind of combustion experimental device for preventing powder from reuniting in transit
CN108972718A (en) * 2018-08-02 2018-12-11 芜湖市昌瑞金属粉末有限公司 A kind of metal powder cutting machine
CN113529072A (en) * 2021-07-14 2021-10-22 济南大学 Laser cladding boiling type powder feeder
CN113529072B (en) * 2021-07-14 2022-07-22 济南大学 Laser cladding boiling type powder feeder
CN114107946A (en) * 2022-01-21 2022-03-01 北京航空航天大学 Powder feeding mechanism, powder feeder and spraying equipment

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