CN207861483U - A kind of spiral powder conveying device - Google Patents

A kind of spiral powder conveying device Download PDF

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Publication number
CN207861483U
CN207861483U CN201820177445.0U CN201820177445U CN207861483U CN 207861483 U CN207861483 U CN 207861483U CN 201820177445 U CN201820177445 U CN 201820177445U CN 207861483 U CN207861483 U CN 207861483U
Authority
CN
China
Prior art keywords
powder feeding
spiral
outer housing
powder
spiral powder
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
Application number
CN201820177445.0U
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Chinese (zh)
Inventor
范雪婷
罗烨
邢垒
王曹文
王剑
蔡宇
王道
吴海华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Three Gorges University CTGU
Original Assignee
China Three Gorges University CTGU
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Priority to CN201820177445.0U priority Critical patent/CN207861483U/en
Application granted granted Critical
Publication of CN207861483U publication Critical patent/CN207861483U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
  • Screw Conveyors (AREA)

Abstract

A kind of spiral powder conveying device, including holder, holder is equipped with locating ring, outer housing is equipped in locating ring, the outer housing is internally provided with spiral powder feeding mechanism, the upper end of spiral powder feeding mechanism is connect by screw thread with connecting rod lower end, the upper end of connecting rod and the output axis connection of servo motor, and the outer housing bottom is equipped with three-way connection.Using the above structure, under the premise of ensureing powder feeding efficiency, the frangible problem of particle when device blocks up powder and conveys composite particles is solved the problems, such as.

Description

A kind of spiral powder conveying device
Technical field
The utility model is related to powder conveying device field, especially a kind of spiral powder conveying device.
Background technology
It is carried out currently, 3D printing course powder supply mode relies primarily on spiral powder conveying device, existing spiral Formula powder conveying device is worked according to Mechanics of Machinery principle, is made of screw rod, hopper, powder bucket, mixer and vibrator. Screw rod is driven by motor to be rotated, and drives powder to be moved along powder bucket spiral inner wall slot, and be transported in mixer.In mixer Current-carrying gas powder is fluidly transferred out.It is accurate to measure in order to make powder be full of in helicla flute, in powder Bottom struggle against equipped with vibrator.Screw rod, hopper, powder bucket, mixer be in have in the gas-tight silo of current-carrying gas.Its powder sending quantity and spiral shell The rotary speed of bar is directly proportional, and the rotating speed of adjusting control screw rod rotary electric machine can accurately control powder sending quantity.This powder feeder High sensitivity, reliable and stable, powder feeding is uniform, but is not suitable for the different mixed-powder of proportion and the different powder of granularity, and Easily stifled powder.
Invention content
The technical problem to be solved by the utility model is to provide a kind of spiral powder conveying devices, are ensureing powder feeding effect Under the premise of rate, solves the problems, such as the frangible problem of particle when device blocks up powder and conveys composite particles.
In order to solve the above technical problems, technical solution used by the utility model is:A kind of spiral powder conveying dress It sets, including holder, holder is equipped with locating ring, is equipped with outer housing in locating ring, the outer housing is internally provided with spiral powder feeding The upper end of mechanism, spiral powder feeding mechanism is connect by screw thread with connecting rod lower end, the upper end of connecting rod and the output of servo motor Axis connection, the outer housing bottom are equipped with three-way connection.
In preferred scheme, the spiral powder feeding mechanism and outer housing are all made of cone-shaped structure, and the spiral is sent Powder mechanism outer wall is equipped with external screw thread, and externally threaded diameter of section gradually decreasees from top to bottom.
In preferred scheme, powder feeding funnel is additionally provided on the holder, powder feeding funnel is arranged in servo motor and shell Between body, and the discharge end of powder feeding funnel extends in outer housing.
In preferred scheme, the spiral powder feeding mechanism lower end is equipped with nipple, three-way connection and spiral powder feeding machine It is threadedly coupled between structure, two interfaces of residue of the three-way connection are separately connected air inlet pipe and an air outlet pipe.
A kind of spiral powder conveying device provided by the utility model has by using above structure with following Beneficial effect:
(1)Spiral powder feeding mechanism is connected by outer housing and three-way connection, and the powder in three-way connection within a fitting can It enough realizes that quick wind is sent, is conducive to powder smooth delivery of power, be not in stifled powder situation;
(2)Whole device carries out powder feeding using vertical direction, is connect with servomotor, is conducive to the defeated of friable powder It send, spiral powder feeding mechanism will not occur and cause powder fragmentation with outer housing inner-wall extrusion friction;
(3)Spiral powder feeding mechanism uses conical structure, since cone is smaller in the remoter speed in the same cross-sectional distance center of circle, Speed is bigger more down on axis, therefore can effectively improve the efficiency of powder feeding.
Description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples:
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the perspective structure schematic diagram of outer housing in the utility model Fig. 1.
Fig. 3 is the spiral powder feeding mechanism structural schematic diagram of the utility model.
In figure:Spiral powder feeding mechanism 1, outer housing 2, connecting rod 3, servo motor 4, holder 5, powder feeding funnel 6, locating ring 7, Three-way connection 8.
Specific implementation mode
As in Fig. 1-3, a kind of spiral powder conveying device, including holder 5, holder 5 are equipped with locating ring 7, locating ring 7 In be equipped with outer housing 2, the outer housing 2 is internally provided with spiral powder feeding mechanism 1, and the upper end of spiral powder feeding mechanism 1 passes through screw thread It is connect with 3 lower end of connecting rod, the upper end of connecting rod 3 and the output axis connection of servo motor 4,2 bottom of outer housing is equipped with Three-way connection.
In preferred scheme, the spiral powder feeding mechanism 1 and outer housing 2 are all made of cone-shaped structure, the spiral 1 outer wall of powder feeding mechanism is equipped with external screw thread, and externally threaded diameter of section gradually decreasees from top to bottom.Using the spiral shell of conical structure Powder feeding mechanism 1 and outer housing 2 are revolved, since cone is smaller in the remoter speed in the same cross-sectional distance center of circle, speed more down on axis It is bigger, therefore the speed of powder is gradually increased, can accelerate powder output speed, promotes powder delivery efficiency.
In preferred scheme, powder feeding funnel 6 is additionally provided on the holder 5, powder feeding funnel 6 is arranged in 4 He of servo motor Between outer housing 2, and the discharge end of powder feeding funnel 6 extends in outer housing 2.
In preferred scheme, 1 lower end of spiral powder feeding mechanism is equipped with nipple, three-way connection 8 and spiral powder feeding It is threadedly coupled between mechanism 1, two interfaces of residue of the three-way connection 8 are separately connected air inlet pipe and an air outlet pipe.By adopting It can be kept away by passing through 8 air of three-way connection quickly to take powder out of with above structure when powder drops down onto in three-way connection 8 The blocking for having exempted from pipeline keeps powder feeding operation more smooth.
Using the above structure, spiral powder feeding mechanism is connected by outer housing and three-way connection, the powder in three-way connection It can realize that quick wind is sent, and is conducive to powder smooth delivery of power within a fitting, be not in stifled powder situation;Whole device is using vertical Direction carries out powder feeding, is connect with servomotor, is conducive to the conveying of friable powder, spiral powder feeding mechanism and shell will not occur Body inner-wall extrusion friction causes powder fragmentation;Spiral powder feeding mechanism uses conical structure, since cone is in same cross-sectional distance The remoter speed in the center of circle is smaller, and speed is bigger more down on axis, therefore can effectively improve the efficiency of powder feeding.

Claims (4)

1. a kind of spiral powder conveying device, including holder(5), it is characterized in that:Holder(5)It is equipped with locating ring(7), positioning Circle(7)In be equipped with outer housing(2), the outer housing(2)It is internally provided with spiral powder feeding mechanism(1), spiral powder feeding mechanism(1)'s Upper end passes through screw thread and connecting rod(3)Lower end connects, connecting rod(3)Upper end and servo motor(4)Output axis connection, it is described Outer housing(2)Bottom is equipped with three-way connection.
2. a kind of spiral powder conveying device according to claim 1, it is characterised in that:The spiral powder feeding mechanism (1)And outer housing(2)It is all made of cone-shaped structure, the spiral powder feeding mechanism(1)Outer wall is equipped with external screw thread, externally threaded Diameter of section gradually decreasees from top to bottom.
3. a kind of spiral powder conveying device according to claim 1, it is characterised in that:The holder(5)It is upper to go back Equipped with powder feeding funnel(6), powder feeding funnel(6)It is arranged in servo motor(4)And outer housing(2)Between, and powder feeding funnel(6)Go out Material end extends to outer housing(2)It is interior.
4. a kind of spiral powder conveying device according to claim 1, it is characterised in that:The spiral powder feeding mechanism (1)Lower end is equipped with nipple, three-way connection(8)With spiral powder feeding mechanism(1)Between be threadedly coupled, the three-way connection (8)Two interfaces of residue be separately connected air inlet pipe and an air outlet pipe.
CN201820177445.0U 2018-02-01 2018-02-01 A kind of spiral powder conveying device Expired - Fee Related CN207861483U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820177445.0U CN207861483U (en) 2018-02-01 2018-02-01 A kind of spiral powder conveying device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820177445.0U CN207861483U (en) 2018-02-01 2018-02-01 A kind of spiral powder conveying device

Publications (1)

Publication Number Publication Date
CN207861483U true CN207861483U (en) 2018-09-14

Family

ID=63460620

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820177445.0U Expired - Fee Related CN207861483U (en) 2018-02-01 2018-02-01 A kind of spiral powder conveying device

Country Status (1)

Country Link
CN (1) CN207861483U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109453964A (en) * 2018-09-26 2019-03-12 东莞为勤电子有限公司 Automatic Powder coating machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109453964A (en) * 2018-09-26 2019-03-12 东莞为勤电子有限公司 Automatic Powder coating machine

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180914

Termination date: 20190201