CN108067613A - The powder feeder unit of powdering machine - Google Patents
The powder feeder unit of powdering machine Download PDFInfo
- Publication number
- CN108067613A CN108067613A CN201611003137.8A CN201611003137A CN108067613A CN 108067613 A CN108067613 A CN 108067613A CN 201611003137 A CN201611003137 A CN 201611003137A CN 108067613 A CN108067613 A CN 108067613A
- Authority
- CN
- China
- Prior art keywords
- powder
- feeder unit
- unit
- laying roller
- stirring rod
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/22—Driving means
- B22F12/226—Driving means for rotary motion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/30—Process control
- B22F10/34—Process control of powder characteristics, e.g. density, oxidation or flowability
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/50—Means for feeding of material, e.g. heads
- B22F12/52—Hoppers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/60—Planarisation devices; Compression devices
- B22F12/63—Rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/60—Planarisation devices; Compression devices
- B22F12/67—Blades
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The present invention discloses a kind of powder feeder unit of powdering machine, powder unit and a driving unit are supplied comprising a fixed seat, a storage powder unit, one, it is wherein described that there is an at least stirring rod and a powder-laying roller for powder unit, utilize the design of stirring rod and powder-laying roller, powder is enable to be stirred and squeeze, and then enables powder more careful in powdering and uniformly avoids luming.
Description
Technical field
The invention relates to a kind of powder feeder unit, especially with regard to applying in a kind of 3D (three-dimensional) the powdering machines printed
Powder feeder unit.
Background technology
The main technical content of 3D rapid shapings (also referred to as 3D printing) is that Data Data and raw material are put into 3D printer
In, by power spreading device by product printing in layer, and form final finished.It mainly includes selective laser and burns
It ties (Selective LaserSintering, SLS), selective laser melting (Selective Laser Melting, SLM),
Direct metal powder laser sintered (Direct Metal Laser Sintering, DMLS) and electron-beam melting (Electron
Beam Melting, EBM) etc. technologies.SLS is to be sintered low melting point macromolecule frit materials using low power laser；SLM is to utilize
High energy beam laser directly melts metal powder material；DMLS is that binary metal is sintered using laser；EBM uses electron-beam melting
Metal powder material.
However, existing power spreading device is generally adopted by powder-laying roller or scraper plate, although existing power spreading device also can be real
The function of existing powder feeding and spreading, but powder-laying roller or scraper plate are easier to powder being laid in loose shape, i.e. powder particles and particle it
Between gap it is larger, and powder issue it is more uneven, cause the cause for the 3D shaped articles being fabricated by loose shape powder
Close property is poor, finally affects the mechanical performance of 3D shaped articles.
Therefore, it is necessary to a kind of powder feeder unit of powdering machine of improvement is provided, to solve the problems of prior art.
The content of the invention
In view of this, present invention is primarily aimed at a kind of powder feeder unit of powdering machine is provided, stirring rod and powdering are utilized
The design of roller enables powder to be stirred and squeeze, and then makes powder more careful, can also avoid luming.
In order to achieve the above object, the present invention provides a kind of powder feeder unit of powdering machine, the powder feeder unit bag of the powdering machine
Powder unit and a driving unit are supplied containing a fixed seat, a storage powder unit, one；The storage powder unit has a staving and a discharging
Mouthful, the staving is arranged in the fixed seat, and to store a powder, the discharge port is formed in the staving once
Edge, to export the powder；Described to have an at least stirring rod and a powder-laying roller for powder unit, the stirring rod is articulated in institute
It states in fixed seat and positioned at the lower section of the discharge port, the powder-laying roller is articulated in the fixed seat and positioned at the stirring rod
Lower section；The driving unit has a motor and a linked component, and the motor drives the linked component and drives described
Stirring rod and powder-laying roller rotate.
In one embodiment of this invention, it is described that also there is a scraper for powder unit, it is arranged in the fixed seat, and position
In the lower section of the powder-laying roller.
In one embodiment of this invention, the stirring rod has a screw rod and an external thread part, the external thread part shape
Into on an outer circumferential surface of the screw rod.
In one embodiment of this invention, the powder-laying roller has a body of rod and multiple capaciting material grooves, the capaciting material groove interval
Recessed be formed on an outer circumferential surface of the body of rod.
In one embodiment of this invention, a cross-sectional width of the staving is tapered towards the discharge port.
In one embodiment of this invention, the linked component has a ratchet, is arranged in the fixed seat, to band
The dynamic powder-laying roller rotates.
In one embodiment of this invention, the linked component have a reducing gear, to drive the stirring rod and
Powder-laying roller rotates, and a turnning circle of the powder-laying roller is made to be less than a turnning circle of the stirring rod.
In one embodiment of this invention, it is described to supply stirring rod there are two powder unit tools, and shape between two stirring rod
Into a gap, the powder-laying roller is located at the lower section in the gap.
In one embodiment of this invention, the linked component has multiple runners and an at least belt, the runner point
An Zhuan not be on the stirring rod, powder-laying roller and the motor, and the belt is set on the runner.
In one embodiment of this invention, the motor is a stepper motor or a servo motor.
As described above, powder feeder unit of the present invention makes the staving using the design of the stirring rod and the powder-laying roller
Powder first can be stirred and squeeze, and be uniformly laid with after building up the powder by the powder-laying roller, can not only make paving
The powder of powder is more careful, powder can also be avoided to lump.
Description of the drawings
Fig. 1 is schematic diagram of the preferred embodiment in mode of operation of the powder feeder unit of powdering machine according to the present invention.
Fig. 2 is the stereogram of a preferred embodiment of the powder feeder unit of powdering machine according to the present invention.
Fig. 3 is the exploded view of a preferred embodiment of the powder feeder unit of powdering machine according to the present invention.
Fig. 4 is the stereogram of another preferred embodiment of the powder feeder unit of powdering machine according to the present invention.
Fig. 5 is the stereogram of another preferred embodiment of the powder feeder unit of powdering machine according to the present invention.
Embodiment
The explanation of following embodiment is with reference to additional schema, to illustrate the particular implementation that the present invention can be used to implementation
Example.Furthermore the direction term that is previously mentioned of the present invention, for example, above and below, top, bottom, front, rear, left and right, inside and outside, side, surrounding, in
Centre, it is horizontal, laterally, vertically, longitudinally, axial direction, radial direction, top layer or lowest level etc., be only the direction with reference to annexed drawings.Cause
This, the direction term used is to illustrate and understand the present invention rather than to limit the present invention.
It refer to shown in Fig. 1 to 3, be a preferred embodiment of the powder feeder unit of powdering machine of the present invention, wherein one fills for powder
100 are put to be mounted in a work box 101 of a powdering machine, the powder feeder unit 100 include a fixed seat 2, one storage powder unit 3,
One supplies powder unit 4 and a driving unit 5, the present invention by be detailed below the detail structure of each component, assembled relation and its
Operation principles.
It refer to shown in Fig. 2 to 3, the fixed seat 2 is a hollow shell housing, to be mounted in the work box 101,
It provides an operator to be moved left and right as direction of the arrows shown in fig, powdering is carried out in the work box 101 with so as to reaching
Action.
Shown in continuous reference Fig. 2 to 3, the storage powder unit 3 has a staving 31 and a discharge port 32, and the staving 31 is set
In the fixed seat 2, to store a powder, the discharge port 32 is formed in a lower edge of the staving 31, to export
The powder.In the present embodiment, a cross-sectional width of the staving 31 it is tapered towards the discharge port 32 and in a taper.
Shown in continuous reference Fig. 2 to 3, described for 4 tool of powder unit, there are two stirring rod 41, a powder-laying roller 42 and a scrapers 43；
Wherein, each stirring rod 41 is articulated in the lower section of the discharge port 32 in the fixed seat 2 and positioned at the storage powder unit 3, and institute
It states and forms a gap between two stirring rod 41；The powder-laying roller 42 is articulated in the fixed seat 2, and the powder-laying roller 42 is located at
The underface in the gap；The scraper 43 is arranged in the fixed seat 2, and positioned at the lower section of the powder-laying roller 42.At this
In embodiment, each stirring rod 41 has a screw rod 411 and an external thread part 412, and 412 projection of external thread part is formed in institute
It states on an outer circumferential surface of screw rod 411, and the powder-laying roller 42 has a body of rod 421 and multiple capaciting material grooves 422, the capaciting material groove
422 the recessed of interval are formed on an outer circumferential surface of the body of rod 421.
Continuous the driving unit 5 has a motor 51 and a linked component 52 with reference to shown in Fig. 2 to 3, and the motor 51 is used
To drive the linked component 52 stirring rod 41 for powder unit 4 and the powder-laying roller 42 is driven to rotate.At this
In embodiment, the motor 51 can be a stepper motor or a servo motor, and the linked component 52 has multiple runners
521 and multiple belts 522, the runner 521 is separately mounted to described for the stirring rod 41 of powder unit 4, powder-laying roller 42 and described
On motor 51, while the belt 522 is set on the runner 521.In addition, the linked component 52 also has a speed reducer
Structure 523 stirring rod 41 and powder-laying roller 42 to be driven to rotate, and makes a turnning circle of the powder-laying roller 42 less than described
One turnning circle of stirring rod 41, wherein the stirring rod 41 is to stir the powder, and makes the powder be evenly distributed, institute
It states powder-laying roller 42 and quantitative powder is housed by the capaciting material groove 422, and then control the feed quantity of the powder.
According to above-mentioned structure, the powder for being contained in the staving 31 is exported by the discharge port 32, the powder meeting
The stirring rod 41 is first passed through, the external thread part 412 of the stirring rod 41 is made to stir and squeeze the powder, is made described
Powder is more careful and powder is avoided to lump, and then the powder is made to be evenly distributed；Then the powder can fall into the powder-laying roller
On 42, and the capaciting material groove 422 is accumulated in, when the capaciting material groove 422 rotates downward with the body of rod 421, can controlled
The feed quantity of the powder and quantitative laying down, and then complete the operation of powdering.It is noted that pass through the speed reducer
The design of structure 523 makes the turnning circle during rotation of powder-laying roller 42 be less than the turnning circle when stirring rod 41 rotates, can
The powder of the staving 31 is avoided to be accumulated when falling and is formed concavo-convex, the powder feeder unit 100 is enable to reach evenly
Powdering effect.
By above-mentioned design, powder feeder unit 100 of the present invention utilizes the stirring rod 41 and the design of the powder-laying roller 42,
The powder of the staving 31 is enable first to be stirred and squeeze, is carried out uniformly after building up the powder by the powder-laying roller 42
It is laid with, can not only make the powder of powdering more careful, powder can also be avoided to lump.In addition, the stirring rod 41 and the powdering
The rotating speed of roller 42 is different, the stirring rod 41 is made to stir the powder and make the powder uniform, the powder-laying roller 42 passes through institute
It states capaciting material groove 422 and houses quantitative powder, can effectively control the feed quantity of the powder, enable the powder feeder unit 100
Reach preferable powdering effect.
It refer to shown in Fig. 4 to 5, be another preferred embodiment of the powder feeder unit of powdering machine of the present invention, and substantially continue to use
Same components title and figure number, but difference is characterized in that between the two：The linked component 52 has multiple 521 and one skins of runner
Band 522, the runner 521 be separately mounted to it is described on the stirring rod 41 of powder unit 4, powder-laying roller 42 and the motor 51, and
And wherein the runner 521 of the powder-laying roller 42 to be driven to be arranged in the fixed seat 2 for a ratchet.Therefore, when the horse
When being rotated up to 51, the belt 522 can be driven and the stirring rod 41 is driven to rotate, while the belt 522 can also drive
The powder-laying roller 42 rotates, i.e., the turnning circle of described powder-laying roller 42 and the stirring rod 41 is identical.
As described above, powder feeder unit 100 of the present invention stirs the powder using the stirring rod 41 and makes the powder equal
It is even, while quantitative powder is housed by the capaciting material groove 422 of the powder-laying roller 42, it can effectively control the feed of the powder
Amount enables the powder of the staving 31 first to be built up by the stirring rod 41 uniformly agitation and extruding, then by the powder-laying roller 42
It is laid with after the powder, can not only make the powder of powdering more careful and uniform, powder can also be avoided to lump.In addition, this
Invention powder feeder unit 100 can also reach the design for reducing the reducing gear volume, thus provide another embodiment aspect.
The present invention is described by above-mentioned related embodiment, however above-described embodiment is only the example for implementing the present invention.
It must be noted that, it has been disclosed that embodiment be not limiting as the scope of the present invention.It is opposite, it is contained in the spirit of claims
And scope modification and impartial setting be included in the scope of the present invention.
Claims (10)
1. a kind of powder feeder unit of powdering machine, it is characterised in that：The powder feeder unit of the powdering machine includes：
One fixed seat；
One storage powder unit, has：One staving is arranged in the fixed seat, to store a powder；And
One discharge port is formed in a lower edge of the staving, to export the powder；
One supplies powder unit, has：An at least stirring rod is articulated in the fixed seat and positioned at the lower section of the discharge port；And
One powder-laying roller is articulated in the fixed seat and positioned at the lower section of the stirring rod；And
One driving unit, has a motor and a linked component, and the motor drives the linked component and drives the stirring
Stick and powder-laying roller rotate.
2. the powder feeder unit of powdering machine as described in claim 1, it is characterised in that：It is described that also there is a scraper for powder unit,
It is arranged in the fixed seat, and positioned at the lower section of the powder-laying roller.
3. the powder feeder unit of powdering machine as described in claim 1, it is characterised in that：The stirring rod has outside a screw rod and one
Threaded portion, the external thread part are formed on an outer circumferential surface of the screw rod.
4. the powder feeder unit of powdering machine as described in claim 1, it is characterised in that：The powder-laying roller has the body of rod and multiple
Capaciting material groove, the recessed of the capaciting material groove interval are formed on an outer circumferential surface of the body of rod.
5. the powder feeder unit of powdering machine as described in claim 1, it is characterised in that：One cross-sectional width of the staving is towards institute
It is tapered to state discharge port.
6. the powder feeder unit of powdering machine as described in claim 1, it is characterised in that：The linked component has a ratchet, if
It puts in the fixed seat, the powder-laying roller to be driven to rotate.
7. the powder feeder unit of powdering machine as described in claim 1, it is characterised in that：The linked component has a speed reducer
Structure the stirring rod and powder-laying roller to be driven to rotate, and makes a turnning circle of the powder-laying roller be less than the stirring rod
One turnning circle.
8. the powder feeder unit of powdering machine as described in claim 1, it is characterised in that：It is described that for powder unit tool, there are two stirrings
Stick, and a gap is formed between two stirring rod, the powder-laying roller is located at the lower section in the gap.
9. the powder feeder unit of powdering machine as described in claim 1, it is characterised in that：The linked component have multiple runners and
An at least belt, the runner is separately mounted on the stirring rod, powder-laying roller and the motor, and the belt is set in institute
It states on runner.
10. the powder feeder unit of powdering machine as described in claim 1, it is characterised in that：The motor is a stepper motor or one
Servo motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611003137.8A CN108067613A (en) | 2016-11-15 | 2016-11-15 | The powder feeder unit of powdering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611003137.8A CN108067613A (en) | 2016-11-15 | 2016-11-15 | The powder feeder unit of powdering machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108067613A true CN108067613A (en) | 2018-05-25 |
Family
ID=62162618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611003137.8A Pending CN108067613A (en) | 2016-11-15 | 2016-11-15 | The powder feeder unit of powdering machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108067613A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110370636A (en) * | 2019-07-30 | 2019-10-25 | 燕山大学 | A kind of two-way powder laying device for 3D printing technique |
| CN110667117A (en) * | 2019-10-14 | 2020-01-10 | 杭州琼网计算机网络有限公司 | Avoid inside pigment to solidify 3D printer device with the help of board motion |
| CN111231317A (en) * | 2020-01-21 | 2020-06-05 | 武汉易制科技有限公司 | Powder paving device of 3D printer |
| CN117428211A (en) * | 2022-07-20 | 2024-01-23 | 通用电气公司 | Recoating assembly for additive manufacturing system and method of using same |
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| KR20150094312A (en) * | 2014-02-11 | 2015-08-19 | 동서대학교산학협력단 | Head structure of 3-Dimensional print for mix and realization of color, and method for mix and realize of color using the same |
| CN105014822A (en) * | 2014-04-23 | 2015-11-04 | 研能科技股份有限公司 | Powder heating assembly suitable for quick forming device and heating module of powder heating assembly |
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| CN101850326A (en) * | 2009-03-31 | 2010-10-06 | 研能科技股份有限公司 | Device for quantitatively supplying powder and spreading powder in sections |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110370636A (en) * | 2019-07-30 | 2019-10-25 | 燕山大学 | A kind of two-way powder laying device for 3D printing technique |
| CN110667117A (en) * | 2019-10-14 | 2020-01-10 | 杭州琼网计算机网络有限公司 | Avoid inside pigment to solidify 3D printer device with the help of board motion |
| CN110667117B (en) * | 2019-10-14 | 2021-06-15 | 安徽长朗三维科技有限公司 | Avoid inside pigment to solidify 3D printer device with the help of board motion |
| CN111231317A (en) * | 2020-01-21 | 2020-06-05 | 武汉易制科技有限公司 | Powder paving device of 3D printer |
| CN111231317B (en) * | 2020-01-21 | 2022-04-26 | 武汉易制科技有限公司 | Powder paving device of 3D printer |
| CN117428211A (en) * | 2022-07-20 | 2024-01-23 | 通用电气公司 | Recoating assembly for additive manufacturing system and method of using same |
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Application publication date: 20180525 |
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