CN108748985A - A kind of mobile powder box powder discharging device of 3D printing - Google Patents
A kind of mobile powder box powder discharging device of 3D printing Download PDFInfo
- Publication number
- CN108748985A CN108748985A CN201811038401.0A CN201811038401A CN108748985A CN 108748985 A CN108748985 A CN 108748985A CN 201811038401 A CN201811038401 A CN 201811038401A CN 108748985 A CN108748985 A CN 108748985A
- Authority
- CN
- China
- Prior art keywords
- powder
- powder falling
- powdering
- cavity
- pedestal
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/141—Processes of additive manufacturing using only solid materials
- B29C64/153—Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/205—Means for applying layers
- B29C64/214—Doctor blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/307—Handling of material to be used in additive manufacturing
- B29C64/321—Feeding
- B29C64/329—Feeding using hoppers
-
- 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
- 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
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The invention discloses a kind of mobile powder box powder discharging devices of 3D printing,It is related to 3D printing technique field,Powder falling mechanism including print platform and above print platform,The left end of the upper surface of print platform is arranged with left block,The right end of the upper surface of print platform is arranged with right block,Powder falling mechanism is made of hopper and powder falling component,The lower end of hopper is equipped with multiple discharge ports side by side,Powder falling component by powdering pedestal and powder falling board group at,Powdering pedestal is internally provided with a cavity,Mirror image is equipped with the regulating tank of bar shaped in the two side walls of cavity,The upper surface of powdering pedestal is equipped with strip groove,The bottom of strip groove is equipped with multiple guide straight slots being connected to cavity side by side,Powdering pedestal is securedly mounted to the lower end of hopper,Corresponding discharge port is connected to corresponding guide straight slot,The present invention is in use,Improve the stationarity of powder falling and the efficiency of powder falling,To improve the quality of 3D printing.
Description
Technical field
The present invention relates to 3D printing technique fields, and in particular to a kind of mobile powder box powder discharging device of 3D printing.
Background technology：
Currently, 3D printer occurs gradually in the visual field of people, and the 3D printing of selective laser sintering (abbreviation SLS)
Machine also increasingly embodies considerable effect as a kind of important means of industrial processes.The technology is original with solid powder
Material, entity is converted by CAD model.According to factors such as material character, product structure and technological requirements, SLS3D printings are set
Standby power spreading device very thin powder of uniform layer overlay on workbench supplies the sintering of a layer cross section shape,
The hopper for powder falling of existing 3D printing equipment is fixedly mounted in 3D printing equipment, and hopper passes through
Delivery hose is connect with powder falling mechanism, and hopper is when carrying out powder falling, due to needing to be delivered in powder falling mechanism by delivery hose,
Delivery hose has a certain distance, and when carrying out reciprocal powder falling, delivery hose is in continuous fluctuation status in this way, causes to fall
The stability and efficiency of powder are all relatively low, and existing powder falling mechanism will appear Caton phenomenon in blanking, cause powder falling uneven,
Influence the quality of 3D printing.
Invention content
The purpose of the present invention is to provide a kind of mobile powder box powder discharging devices of 3D printing, to solve to lead in the prior art
The above-mentioned defects of cause.
A kind of 3D printing mobile powder box powder discharging device, including print platform and the powder falling machine above print platform
The left end of structure, the upper surface of the print platform is arranged with left block, and the right end of the upper surface of print platform is arranged with the right side
Block, the powder falling mechanism are made of hopper and powder falling component, and the lower end of hopper is equipped with multiple discharge ports, the powder falling group side by side
Part is by powdering pedestal and powder falling board group at the both sides of powdering pedestal are equipped with shifting roller, and shifting roller is rolled with external guide rail
Contact, guide rail are horizontally arranged on the guide rail positioning plate of both sides above print platform, and the powdering pedestal is internally provided with
One cavity, and the right end of cavity and external opening be connected to, regulating tank of the mirror image equipped with bar shaped in the two side walls of cavity are described
The upper surface of powdering pedestal is equipped with strip groove, and the bottom of strip groove is equipped with multiple guide straight slots being connected to cavity side by side,
Guide straight slot is corresponded with discharge port, and powdering pedestal is securedly mounted to the lower end of hopper, and corresponding discharge port is led with corresponding
Expect straight slot connection, the end face of the powder falling plate be equipped with up and down and with the one-to-one powder falling straight slot of guide straight slot, institute
The both sides mirror image for stating powder falling plate is equipped with driving plate, and the end of driving plate is passed through from regulating tank, and extends to the outer of powdering pedestal
Portion, between left block and right shell body, the upper surface of powder falling plate and the upper inner wall sliding contact of cavity are fallen for the end of driving plate
The lower face of powder plate and the lower inner wall sliding contact of cavity form stock chest under powder falling straight slot and cavity between inner wall.
Preferably, the distance between two described left blocks are equal to the distance between two described right blocks.
Preferably, the upper end of the hopper is detachably equipped with upper cover plate, and upper cover plate is equipped with and is connected to inside hopper
Feeding port.
The advantage of the invention is that：
(1), by the way that powdering pedestal and hopper to be fastenedly connected, when external driving equipment drives the powder falling machine in the present invention
When structure is moved along a straight line, hopper blanking is more steady, solves the shakiness for carrying out conveying by delivery hose in the prior art
Qualitative problem；
(2), powder falling plate is slidably mounted in the cavity of powdering chassis interior, and the side wall of cavity is equipped with regulating tank, powder falling
The both ends of plate are equipped with the driving plate across regulating tank, when external equipment is when driving powder falling mechanism to be moved along a straight line, when falling
Powder mechanism kinematic to right end, driving plate is contacted with right block, and driving plate moves to the left end of regulating tank, at this time powder falling plate
Powder falling straight slot in cavity, and on powder falling plate is located at the underface of guide straight slot, that is to say, that powder falling straight slot is logical with guide
Slot is connected to, and the powder in hopper enters by guide straight slot in powder falling straight slot at this time, and since powder falling plate is located in cavity, powder falling is logical
The lower inner wall of slot and cavity forms stock chest, and such powder can be fallen into stock chest；When powder falling mechanism kinematic to left end,
Driving plate is contacted with left block, and driving plate moves to the right end of regulating tank, and driving plate drives the right end of powder falling plate from cavity
It is pierced by the opening of right end, the powder in powder falling straight slot also conveys to the right, when powder falling straight slot is detached from cavity, in powder falling straight slot
Powder can be fallen on print platform due to gravity, complete powder falling process, the right side of powdering pedestal be located at opening
Position is equipped with powdering scraper, therefore powder supply mechanism completes powder falling and from left to right during movement, powdering scraper can will under
It drops down onto the tiling of the powder on print platform to open, and so on, powder falling and its powdering process can be completed；
(3), left block and right block are used to adjust the position of powder falling plate, and simple in structure, cost is relatively low, and when use will not go out
The phenomenon that existing interim card.
The present invention in use, improves the stationarity of powder falling and the efficiency of powder falling, to improve 3D printing
Quality.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the sectional view of the present invention；
Fig. 3 is the schematic diagram of powder falling component；
Fig. 4 is the schematic diagram of the present invention when in use；
Wherein：1-print platform, 2- guide rail positioning plates, 3- guide rails, 4- hoppers, 5- feeding ports, 6- powdering pedestals, 7- are empty
Chamber, 8- regulating tanks, 9- driving plates, 10- powder falling plates, 11- powder falling straight slots, the left blocks of 12-, the right blocks of 13-, 14- strip grooves,
15- discharge ports, 16- guide straight slots, 17- powdering scrapers, 18- driven rollers, 19- shifting rollers.
Specific implementation mode
To make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, with reference to
Specific implementation mode, the present invention is further explained.
As shown in Figures 1 to 4, the mobile powder box powder discharging device of a kind of 3D printing, including print platform 1 and positioned at printing
The powder falling mechanism of the top of platform 1, the left end of the upper surface of the print platform 1 are arranged with left block 12, print platform 1 it is upper
The right end of end face is arranged with right block 13, and the powder falling mechanism is made of hopper 4 and powder falling component, and the lower end of hopper 4 is side by side
Equipped with multiple discharge ports 15, the powder falling component is made of powdering pedestal 6 and powder falling plate 10, and the both sides of powdering pedestal 6, which are equipped with, to be moved
The both sides of dynamic idler wheel 19, powdering pedestal 6 are equipped with buck plate, and shifting roller 19 is arranged on the outer wall of buck plate, shifting roller 19
It is in rolling contact with external guide rail 3, guide rail 3 is horizontally arranged on the guide rail positioning plate 2 of both sides above print platform 1, is led
Rail positioning plate 3 is securedly mounted on external support element, and guide rail positioning plate 2 is provided at both ends with driven roller 18,18 sets of driven roller
There is transmission belt, transmission belt and powdering pedestal 6 are fastenedly connected by the upper end of powdering pedestal 6 by fastener, in guide rail positioning plate 2
Stepper motor is installed, the driving end of stepper motor connect with one of driven roller 18, driven by stepper motor on outer wall
Transmission belt back and forth rotates and reverse, to drive powder supply mechanism along guide rail linear reciprocating motion, the inside of the powdering pedestal 6
Equipped with a cavity 7, and the right end of cavity 7 and external opening be connected to, adjusting of the mirror image equipped with bar shaped in the two side walls of cavity 7
The upper surface of slot 8, the powdering pedestal 6 is equipped with strip groove 14, and the bottom of strip groove 14 is equipped with multiple and cavity 7 and connects side by side
Logical guide straight slot 16, guide straight slot 16 are corresponded with discharge port 15, and powdering pedestal 6 is securedly mounted to the lower end of hopper 4, right
The discharge port 15 answered is connected to corresponding guide straight slot 16, the end face of the powder falling plate 10 be equipped with up and down and and guide
The both sides mirror image of 16 one-to-one powder falling straight slot 11 of straight slot, the powder falling plate 10 is equipped with driving plate 9, and the end of driving plate 9
Passed through from regulating tank 8, and extend to the outside of powdering pedestal 6, the end of driving plate 9 be located at left block 12 and right shell body 13 it
Between, the upper surface of powder falling plate 10 and the upper inner wall sliding contact of cavity 7, the lower face of powder falling plate 10 is slided with the lower inner wall of cavity 7
It is dynamic to contact, form stock chest between 7 times inner walls of powder falling straight slot 11 and cavity.
Preferably, the distance between two described left blocks 12 are equal to the distance between two described right blocks 13.
Preferably, the upper end of the hopper 4 is detachably equipped with upper cover plate, and upper cover plate is equipped with to be connected to 4 inside of hopper
Feeding port 5, convenient for hopper 4 carry out powder feeding.
The advantage of the invention is that：
(1), by the way that powdering pedestal 6 and hopper 4 to be fastenedly connected, when external driving equipment drives the powder falling in the present invention
When mechanism is moved along a straight line, 4 blanking of hopper is more steady, solves and carries out conveying not by delivery hose in the prior art
The problem of stability；
(2), powder falling plate 10 is slidably mounted in the cavity 7 inside powdering pedestal 6, and the side wall of cavity 7 is equipped with regulating tank
8, the both ends of powder falling plate 10 are equipped with the driving plate 9 across regulating tank 8, when external equipment is driving powder falling mechanism to carry out straight line fortune
When dynamic, when powder falling mechanism kinematic to right end, driving plate 9 is contacted with right block 13, and driving plate 9 moves to regulating tank 8 most
Left end, powder falling plate 10 is located in cavity 7 at this time, and the powder falling straight slot 11 on powder falling plate 10 is located at the underface of guide straight slot 16,
That is powder falling straight slot 11 is connected to guide straight slot 16, and the powder in hopper 4 enters powder falling by guide straight slot 16 and leads at this time
In slot 11, since powder falling plate 10 is located in cavity 7, powder falling straight slot 11 and the lower inner wall of cavity 7 form stock chest, and such powder is
It can fall into stock chest；When powder falling mechanism kinematic to left end, driving plate 9 is contacted with left block 12, and driving plate 9 moves to
The right end of regulating tank 8, driving plate 9 drives the right end of powder falling plate 10 to be pierced by from the opening of 7 right end of cavity, in powder falling straight slot 11
Powder also convey to the right, when powder falling straight slot 11 is detached from cavity 7, the powder in powder falling straight slot 11 can be due under gravity
It dropping down onto on print platform 1, completes powder falling process, the position that opening is located on the right side of powdering pedestal 6 is equipped with powdering scraper 17,
Therefore during powder supply mechanism is completed powder falling and moved from left to right, powdering scraper 17 can will be fallen on print platform 1
Powder tiling is opened, and and so on, can complete powder falling and its powdering process；
(3), left block 12 and right block 13 are used to adjust the position of powder falling plate 10, and simple in structure, cost is relatively low, when use
The phenomenon that being not in interim card.
The present invention in use, improves the stationarity of powder falling and the efficiency of powder falling, to improve 3D printing
Quality.
As known by the technical knowledge, the present invention can pass through the embodiment party of other essence without departing from its spirit or essential feature
Case is realized.Therefore, embodiment disclosed above, all things considered are all merely illustrative, not the only.Institute
Have within the scope of the present invention or is included in the invention in the change being equal in the scope of the present invention.
Claims (3)
1. a kind of mobile powder box powder discharging device of 3D printing, including print platform (1) and falling above print platform (1)
Powder mechanism, which is characterized in that the left end of the upper surface of the print platform (1) is arranged with left block (12), print platform (1)
The right end of upper surface be arranged with right block (13), the powder falling mechanism is made of hopper (4) and powder falling component, hopper (4)
Lower end be equipped with multiple discharge ports (15) side by side, the powder falling component is made of powdering pedestal (6) and powder falling plate (10), powdering bottom
The both sides of seat (6) are equipped with shifting roller (19), and shifting roller (19) is in rolling contact with external guide rail (3), the horizontal peace of guide rail (3)
On the guide rail positioning plate (2) positioned at both sides above print platform (1), the powdering pedestal (6) is internally provided with a cavity
(7), and the right end of cavity (7) and external opening be connected to, regulating tank of the mirror image equipped with bar shaped in the two side walls of cavity (7)
(8), the upper surface of the powdering pedestal (6) is equipped with strip groove (14), the bottom of strip groove (14) be equipped with side by side it is multiple with
The guide straight slot (16) of cavity (7) connection, guide straight slot (16) are corresponded with discharge port (15), powdering pedestal (6) fastening peace
Lower end mounted in hopper (4), corresponding discharge port (15) are connected to corresponding guide straight slot (16), the end of the powder falling plate (10)
Face be equipped with up and down and with the one-to-one powder falling straight slot (11) of guide straight slot (16), the both sides of the powder falling plate (10)
Mirror image is equipped with driving plate (9), and the end of driving plate (9) is passed through from regulating tank (8), and extends to the outside of powdering pedestal (6), drives
The end of movable plate (9) is between left block (12) and right shell body (13), in the upper surface of powder falling plate (10) and the upper of cavity (7)
Wall sliding contact, the lower face of powder falling plate (10) and the lower inner wall sliding contact of cavity (7), powder falling straight slot (11) and cavity (7)
Stock chest is formed between lower inner wall.
2. a kind of mobile powder box powder discharging device of 3D printing according to claim 1, it is characterised in that：Two left sides
The distance between block (12) is equal to the distance between two described right blocks (13).
3. a kind of mobile powder box powder discharging device of 3D printing according to claim 1, it is characterised in that：The hopper
(4) upper end is detachably equipped with upper cover plate, and upper cover plate is equipped with and the internal feeding port (5) being connected to of hopper (4).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811038401.0A CN108748985A (en) | 2018-09-06 | 2018-09-06 | A kind of mobile powder box powder discharging device of 3D printing |
| CN201910328472.2A CN109910300A (en) | 2018-09-06 | 2019-04-23 | One kind is for the mobile powder box powder discharging device of precinct laser fusion equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811038401.0A CN108748985A (en) | 2018-09-06 | 2018-09-06 | A kind of mobile powder box powder discharging device of 3D printing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108748985A true CN108748985A (en) | 2018-11-06 |
Family
ID=63967835
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811038401.0A Withdrawn CN108748985A (en) | 2018-09-06 | 2018-09-06 | A kind of mobile powder box powder discharging device of 3D printing |
| CN201910328472.2A Withdrawn CN109910300A (en) | 2018-09-06 | 2019-04-23 | One kind is for the mobile powder box powder discharging device of precinct laser fusion equipment |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910328472.2A Withdrawn CN109910300A (en) | 2018-09-06 | 2019-04-23 | One kind is for the mobile powder box powder discharging device of precinct laser fusion equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN108748985A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109624313A (en) * | 2019-02-25 | 2019-04-16 | 中国科学院空间应用工程与技术中心 | A kind of 3D printing equipment paves system |
| CN112026177A (en) * | 2020-08-24 | 2020-12-04 | 杭州佳顿智能科技有限公司 | 3D printing apparatus raw materials feed system |
| CN112809020A (en) * | 2020-12-22 | 2021-05-18 | 安徽省春谷3D打印智能装备产业技术研究院有限公司 | Powder device is spread to 3D metal printer with screening guide mechanism |
| CN115519122A (en) * | 2022-10-31 | 2022-12-27 | 南京铖联激光科技有限公司 | Powder feeding device for SLM printer |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111014674B (en) * | 2019-12-30 | 2023-08-22 | 华南理工大学 | Material increase manufacturing device of micro-wire gear and wire gear laser micro-sintering method |
-
2018
- 2018-09-06 CN CN201811038401.0A patent/CN108748985A/en not_active Withdrawn
-
2019
- 2019-04-23 CN CN201910328472.2A patent/CN109910300A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109624313A (en) * | 2019-02-25 | 2019-04-16 | 中国科学院空间应用工程与技术中心 | A kind of 3D printing equipment paves system |
| CN109624313B (en) * | 2019-02-25 | 2021-01-26 | 中国科学院空间应用工程与技术中心 | 3D printing apparatus's system of paving |
| CN112026177A (en) * | 2020-08-24 | 2020-12-04 | 杭州佳顿智能科技有限公司 | 3D printing apparatus raw materials feed system |
| CN112809020A (en) * | 2020-12-22 | 2021-05-18 | 安徽省春谷3D打印智能装备产业技术研究院有限公司 | Powder device is spread to 3D metal printer with screening guide mechanism |
| CN115519122A (en) * | 2022-10-31 | 2022-12-27 | 南京铖联激光科技有限公司 | Powder feeding device for SLM printer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109910300A (en) | 2019-06-21 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20181106 |