CN107052338A - A kind of powder reclaiming device of 3D printing rapidform machine - Google Patents
A kind of powder reclaiming device of 3D printing rapidform machine Download PDFInfo
- Publication number
- CN107052338A CN107052338A CN201710173713.1A CN201710173713A CN107052338A CN 107052338 A CN107052338 A CN 107052338A CN 201710173713 A CN201710173713 A CN 201710173713A CN 107052338 A CN107052338 A CN 107052338A
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- Prior art keywords
- nacelle
- powder
- platform
- window
- recovery port
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Classifications
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- 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
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- 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
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/70—Recycling
- B22F10/73—Recycling of powder
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- 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
- B22F12/224—Driving means for motion along a direction within the plane of a layer
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- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Mechanical Engineering (AREA)
Abstract
The present invention relates to rapid shaping technique field, more particularly to a kind of powder reclaiming device of 3D printing rapidform machine, including laying platform provided with horizontally disposed powder, powder laying platform is provided with the print window being located at directly over print platform, interim material cabin is installed below powder laying platform, the powder reclaiming device includes two side shields and two end-stopping plates being fixedly mounted on powder laying platform, the print window is located in the region that side shield and end-stopping plate are encircled a city, print window is rectangular window, the powder recovery port on displacement print window periphery is provided with powder laying platform, the open upper end in interim material cabin is simultaneously connected with powder recovery port.The present invention installs an interim material cabin in powder laying mesa base, the powder recovery port that printed material is laid on platform by powder is entered to be concentrated in the 5th nacelle in interim material cabin, even if realizing the recovery operation of unnecessary printed material on powder laying platform, the difficulty of printed material recovery is significantly reduced.
Description
Technical field
The present invention relates to rapid shaping technique field, the powder of more particularly to a kind of 3D printing rapidform machine reclaims dress
Put.
Background technology
Rapid shaping technique is also known as rapid prototyping manufacturing (Rapid Prototyping Manufacturing, abbreviation RPM)
Technology, is born in the late 1980s, is a kind of high-new manufacturing technology based on material stacking method, it is considered to be nearly 20 years
To manufacture a great achievement in field.It collect mechanical engineering, CAD, reverse Engineering Technology, Layered Manufacturing Technology, Numeric Control Technology,
Design philosophy, automatically, directly, quickly and accurately can be changed into certain function by material science, laser technology
Prototype or direct manufacturing parts so that for provided in terms of part prototype, the verification of new design philosophy it is a kind of efficiently
The realization rate of low cost.That is, RP technique is exactly the data using three-dimensional CAD, will from level to level by rapidform machine
Material stacking into physical prototypes.
Need to reclaim the dusty material on powder laying platform in time in Rapid Prototyping Process, squeezed with avoiding producing
Pressure causes power spreading device retard motion, or material-paving is uneven.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to which the powder for providing a kind of 3D printing rapidform machine is reclaimed
Device.
To solve the above problems, the present invention provides following technical scheme：A kind of powder of 3D printing rapidform machine is reclaimed
Device, including platform is laid provided with horizontally disposed powder, powder laying platform, which is provided with, is located at beating directly over print platform
Print and interim material cabin is installed below window, powder laying platform, the powder reclaiming device includes being fixedly mounted on powder laying
Two side shields and two end-stopping plates on platform, the print window are located in the region that side shield and end-stopping plate are encircled a city, and beat
Print window is the powder recovery port that displacement print window periphery is provided with rectangular window, powder laying platform, interim material cabin
Open upper end is simultaneously connected with powder recovery port.
The interim material cabin includes the first interconnected nacelle, the second nacelle, the 3rd nacelle and the 4th nacelle, first
Nacelle and the 3rd nacelle be arranged in parallel, and the second nacelle and the 4th nacelle be arranged in parallel, and the bottom of the second nacelle and the 4th nacelle is equal
Tilted to the same side, the bottom of the 3rd nacelle is domes, and the two ends of the domes are respectively to the second nacelle and the 4th cabin
The low level of the high-order inclination of body bottom, the second nacelle and the 4th nacelle bottom is tilted to the first nacelle side.
The 5th nacelle for being also provided with connecting with the first nacelle in the bottom of first nacelle, the 5th nacelle is
Triangular structure, the bottom of the 5th nacelle is provided with the pipe joint for reclaiming precoated sand material.
The upper end in the interim material cabin is also equipped with upper cover plate, first nacelle, the second nacelle, the 3rd nacelle and the 4th
The upper end of nacelle is opened wide, and the powder connected with the second nacelle, the 3rd nacelle and the 4th nacelle is provided with upper cover plate and is reclaimed
Mouthful, the powder recovery port that the powder recovery port on upper cover plate is laid with powder on platform is corresponded, and all powder recovery ports are equal
For strip rectangular opening.
Beneficial effect：The powder reclaiming device of a kind of 3D printing rapidform machine of the present invention, at powder laying platform bottom
An interim material cabin is installed in portion, and the powder recovery port that printed material is laid on platform by powder is entered to be concentrated in interim material cabin
In the 5th nacelle, even if realizing the recovery operation of unnecessary printed material on powder laying platform, printed material is significantly reduced
The difficulty of recovery.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the present invention；
Fig. 2 is the side view of the present invention；
Fig. 3 is the top view of the present invention；
Fig. 4 is the cooperation position schematic diagram that material cylinder and laying device are loaded in the present invention；
Fig. 5 is the dimensional structure diagram one of material cylinder in the present invention；
Fig. 6 is the dimensional structure diagram two of material cylinder in the present invention；
Fig. 7 is the sectional view of material cylinder in the present invention；
Fig. 8 is the dimensional decomposition structure diagram one of material cylinder in the present invention；
Fig. 9 is the dimensional decomposition structure diagram two of material cylinder in the present invention；
Figure 10 is the enlarged diagram at A in Fig. 7；
Figure 11 is the dimensional decomposition structure diagram of doffer in the present invention；
Figure 12 is the three-dimensional broken section structural representation of feeding disk roller in the present invention；
Figure 13 is the dimensional decomposition structure diagram of material blocking block in the present invention；
Figure 14 is the cooperation position schematic diagram of printing stone lazy-tongs and material cylinder under installment state in the present invention；
Figure 15 is the scheme of installation of printing stone lazy-tongs in the present invention；
Figure 16 is the dimensional structure diagram of laying device in the present invention；
Figure 17 is powder reclaiming device and the cooperation position schematic diagram of Z axis drive device under installment state in the present invention；
Figure 18 is the dimensional structure diagram of powder reclaiming device and Z axis drive device in the present invention；
Figure 19 is the dimensional structure diagram one of powder reclaiming device in the present invention；
Figure 20 is the dimensional structure diagram two of powder reclaiming device in the present invention；
Figure 21 is the dimensional decomposition structure diagram of powder reclaiming device in the present invention；
Figure 22 is the sectional perspective cross section structure diagram in interim material cabin in the present invention；
Description of reference numerals：Lower bearing bracket 1, upper spider 2, side frame 3, Y-axis driving guide rail 4, Y-axis slide unit 4a, X-axis driving is led
Rail 5, horizontal mounting plate 5a, support 5b, Z axis drive device 6, rectangular cover 6a, print platform 7, print head assembly 8, doffer
9, housing 9a, feed window 9a1, blanking window 9a2, feeding disk roller 9b, stock chest 9b1, disk roller motor 9c, material blocking block
9d, friction plate 9d1, scraper 9e, row brush 9e1, laying device 10, stone box 10a, powdering mouthful 10a1, binder surface 10a2 are pushed away
Charge level 10a3, connecting plate 10b, powder laying platform 11, side shield 11a, end-stopping plate 11b, print window 11c, powder recovery port
11d, interim material cabin 12, the first nacelle 12a, the second nacelle 12b, the 3rd nacelle 12c, the 4th nacelle 12d, the 5th nacelle 12e, on
Cover plate 12f, pipe joint 12g, expect cylinder 13, inclined side plate 13a, observation window 13b, cylinder cap 13c shake and expect device 14, oscillating plate
14a。
Embodiment
With reference to Figure of description and embodiment, the specific embodiment of the present invention is described in further detail：
Referring to figs. 1 to a kind of 3D printing rapidform machine based on precoated sand material shown in Fig. 4, including frame, material cylinder
13rd, printing transmission device, printing stone lazy-tongs and powder reclaiming device, frame include lower bearing bracket 1, upper spider 2 and side
Frame 3, the printing transmission device is included provided with Y-axis driving guide rail 4, X-axis driving guide rail 5 and Z axis drive device 6, and Y-axis driving is led
Rail 4 is fixedly mounted on upper spider 2, and X-axis driving guide rail 5 is arranged on Y-axis driving guide rail 4, and Z axis drive device 6 is arranged on upper
Between frame 2 and lower bearing bracket 1, it is provided with the Z axis drive device 6 horizontally disposed and can be in beating that Z-direction direction is moved
Platform 7 is printed, printing stone lazy-tongs include being arranged on the print head assembly 8 that can be moved along X-direction on X-axis driving guide rail 5
And the laying device 10 on guide rail 4 is driven installed in Y-axis, laying device 10 be arranged in parallel and in Y with X-axis driving guide rail 5
It is synchronized with the movement on direction of principal axis with X-axis driving guide rail 5, material cylinder 13 is arranged on side frame 3 in vertical state, expects going out for the bottom of cylinder 13
Doffer 9 is installed, laying device 10 is when Y direction is moved to below material cylinder 13 just to doffer 9 at material mouth
Lower end, powder reclaiming device is arranged on upper spider 2 and wraps Y-axis driving guide rail 4, and powder reclaiming device is provided with horizontally disposed
Powder laying platform 11, powder laying platform 11 is provided with the print window 11c being located at directly over print platform 7, powder paving
If the lower section of platform 11 is provided with the interim material cabin 12 for being centered around the periphery of Z axis drive device 6.
Reference picture 4 is installed to shown in Fig. 9, the lower half of the material cylinder 13 is provided with inclined side plate 13a, inclined side plate 13a
There is the material device 14 that shakes, the material device 14 that shakes is provided with the oscillating plate 14a being inserted into inside material cylinder 13, the material driving vibration of device 14 of shaking
Plate 14a is vibrated with certain frequency, the discharging to enable the precoated sand material in material cylinder 13 to move downward and by expecting cylinder 13
Mouth is entered in doffer 9, it is to avoid the precoated sand material of the material discharging opening of cylinder 13 is excessively closely knit and smoothly can not enter
Expect in device 9, stone is smooth in packet printing process.
The top of the material cylinder 13, which is provided with to offer on the cylinder cap 13c of rotatable folding, cylinder cap 13c, to be used for and feed pipe
The charging aperture of road connection.
With being provided with observation window 13b on the side wall of side plate homonymy on the first half of the powder, observation window 13b is used for people
Doses in work observation material cylinder 13, is mainly used for artificial positioned at the observation window of top half when print job preparation is started
The doses being initially added in observation material cylinder 13.
The observation window being also equipped with the side plate of the latter half of the material cylinder 13 on observation window 13b, side plate is equally used for
Doses in observation material cylinder 13, to supplement precoated sand material in time when expecting that doses is not enough in cylinder 13.
The lower end of the material cylinder 13 is provided with the discharging opening of strip, and the edge of the discharging opening, which is provided with, to be used to install blanking dress
Put 9 mounting bar, the feed end of doffer 9 is fixedly connected by bolt with mounting bar, with cause the inner chamber of doffer 9 with
Expect the inner chamber connection of cylinder 13.
The doffer 9 includes housing 9a, feeding disk roller 9b and disk roller motor 9c, the housing 9a pass through spiral shell
The mounting bar of discharge outlet of the bolt with expecting cylinder 13 is fixedly connected, and feeding disk roller 9b is horizontal in housing 9a, and this send
Expect that the length of the discharging opening of strip of the disk roller 9b length with expecting cylinder 13 is consistent, be evenly distributed with feeding disk roller 9b outer wall
Several are provided with charging window 9a1 along its axially extending stock chest 9b1, housing 9a upper end, and its lower end is provided with blanking
Window 9a2, feeding disk roller 9b one end pass housing 9a and disk roller motor 9c and are connected.
The disk roller motor 9c can be directly installed on housing 9a, in order to improve the module of the doffer 9
Change, be easy to it to realize integral demounting relative to material cylinder 13.
Certainly, disk roller motor 9c can also be arranged on material cylinder 13 or side frame 3, and disk roller motor 9c's is defeated
Go out end to be connected with the belt wheel transmission installed in feeding disk roller 9b ends by timing belt.
There are the material blocking block 9d positioned at feeding disk roller 9b both sides, the gear close to charging window 9a1 position in the housing 9a
It is string configuration to expect block 9d, and backgauge block length 9d is at least identical with the length that feeding disk roller 9b is placed in shell body.Material blocking block
9d effect is to prevent precoated sand material from directly entering after entering in housing 9a without quantitative control by blanking window 9a2
Into laying device 10, make the thickness of stone uncontrollable, be that material recovery brings pressure while causing the waste of material.
It should be noted that due to being provided with stock chest 9b1 on feeding disk roller 9b, and material blocking block 9d effect is to prevent from covering
Film sand material material is directly from feeding disk roller 9b two lateral blanking window 9a2 directions motions, rather than only by stock chest 9b1 realities
Now to should avoid leaving gap between the quantitative conveying in blanking window 9a2 directions, therefore material blocking block 9d and feeding disk roller 9b, and
Due to being provided with stock chest 9b1 on feeding disk roller 9b, slide and rub with it if material blocking block 9d abuts directly on feeding disk roller 9b outer walls
Wipe, stock chest 9b1 edge will certainly be caused to wear and tear or burst apart, and then cause stock chest 9b1 capacity to change, lead
Cause the uncontrollable of stock chest 9b1 storing amounts.
Therefore, the friction plate 9d1 being slidably matched with feeding disk roller 9b outer walls, friction plate 9d1 are installed on material blocking block 9d
With feeding disk roller 9b contact surface circle of position cylinder.Friction plate 9d1 material can be for rubber, plastics or with self-lubricating function
Nylon material.
Further, rotated one week with feeding disk roller 9b, the amount of the precoated sand material of all stock chest 9b1 transports is once
Blanking amount, if moved in blanking operation lower section stock chest 9b1 in there is a small amount of precoated sand to be attached in groove can not be smooth
Entered by blanking window 9a2 in laying device 10, then the blanking amount of doffer 9 can be made unstable.
Therefore, the scraper positioned at feeding disk roller 9b sides is provided with the housing 9a close to blanking window 9a2 position
The row brush 9e1 arranged along feeding disk roller 9b length directions is provided with device 9e, scraper 9e, row brush 9e1 is used for will
The material not dropped in stock chest 9b1 is scraped off, to have ensured that the blanking amount of doffer 9 is stable.Row brush 9e1 can be hairbrush
It is made or other materials is made.
Further, although precoated sand can will be adhered to by scraper 9e in stock chest 9b1 and scraped off, certainly still
It is necessary to optimize design to stock chest 9b1 trough body structure, so that precoated sand is not easy be attached in stock chest 9b1,
Remained coordinating with not having precoated sand material in scraper 9e packaging stock chests 9b1.
Therefore, the bottom land of the stock chest 9b1 is arc-shaped structure.There is no turning in the stock chest 9b1 of arc-shaped structure,
Precoated sand would not be squeezed in the corner and can not smoothly fall.
On the necessity of stock chest 9b1 structure optimizations, it is provided with to slide with feeding disk roller 9b on useful material blocking block 9d and rubs
The friction plate 9d1 of wiping, therefore have the stock chest 9b1 of precoated sand material when by friction plate 9d1 overlay areas, friction plate
Precoated sand can be pressed in stock chest 9b1 by 9d1, if there is turning in stock chest 9b1, the precoated sand of corner is not easy
Fall.
Reference picture 14 is to shown in Figure 16, and Y-axis driving guide rail 4 is double-rail configuration in the present invention, includes the track of Y-axis first
With the track of Y-axis second, Y-axis slide unit a 4a, two Y are provided with by sliding block respectively on the track of Y-axis first and the track of Y-axis second
A horizontal mounting plate 5a is had between axle slide unit 4a, horizontal mounting plate 5a length direction is perpendicular to Y direction, X-axis
Guide rail 5 is driven to be arranged on horizontal mounting plate 5a, the two ends of laying device 10 are fixedly connected with a Y-axis slide unit 4a respectively.
The support 5b that can be moved in Y direction is installed, print head assembly 8 is arranged on should on the X-axis driving guide rail 5
On support 5b.
The laying device 10 includes the stone box 10a of open upper end and the connection installed in stone box 10a two ends
Plate 10b, each connecting plate 10b are fixedly connected with a Y-axis slide unit 4a respectively, and stone box 10a lower end is provided with a strip
Powdering mouthful 10a1.
In order to ensure that precoated sand can be uniformly laid on powder laying platform 11 during stone, under stone box 10a
End is designed as inverted trapezoidal structure, i.e., more down extension stone box 10a width is narrower, and inverted trapezoidal structure can ensure stone box
10a lower end has certain width, and to form binder surface 10a2, powdering mouthful 10a1 is located at binder surface 10a2 center line position
Put, gap is that can only accommodate the thickness of one layer of precoated sand material, inverted trapezoidal knot between binder surface 10a2 and powder laying platform 11
Structure can also form the pusher face 10a3 positioned at the binder surface 10a2 left and right sides, and pusher face 10a3 is during stone along paving point
Powder is laid precoated sand material unnecessary on platform 11 and pushed forward by the box direction of motion.
In order to which the precoated sand material ensured in stone box 10a smoothly can fall at powdering mouthful 10a1, stone box 10a
With inner chamber wide at the top and narrow at the bottom, the most narrow width for powdering mouthful 10a1 in the inner chamber lower end.
Reference picture 17 is to shown in Figure 22, and powder reclaiming device includes two sides being fixedly mounted on powder laying platform 11
Baffle plate 11a and two end-stopping plate 11b, two side shield 11a are arranged on the inner side of Y-axis driving guide rail 4 and prolonged along Y direction
Stretch, the spacing of two side shield 11a is more than range of the print head assembly 8 in X-direction, two end-stopping plate 11b difference
Y-axis driving track rear and front end is arranged on, the distance between two end baffles are more than printing stone lazy-tongs in Y-axis side
To range.
The region in two sidepiece baffle plates and two end baffle besieged cities is more than the zone of action of printing stone lazy-tongs, i.e.,
Print the region of stone, it is to avoid precoated sand material is scattering into outside equipment, it is to avoid waste of material, also allows for the recovery of material.
The print window 11c is located in the region that side shield 11a and end-stopping plate 11b encircles a city, and print window 11c is rectangle
Window.
The Z axis drive device 6 is provided with the rectangular cover 6a being located at immediately below print window 11c, and rectangular cover 6a is by four
Side plate is encircled a city, and print platform 7 is slidably fitted in rectangular cover 6a, provided with sealing between print platform 7 and rectangular cover 6a inwalls
Bar.
The upper end of the rectangular cover 6a is inserted into print window 11c, and rectangular cover 6a upper surface and powder lay platform
It is fitted close on the outside of 11 upper surface flush, rectangular cover 6a upper end between print window 11c.
The powder recovery port 11c on displacement print window 11c peripheries is provided with powder laying platform 11, it is described interim
Expect the open upper end in cabin 12 and connected with powder recovery port 11c.
The interim material cabin 12, which includes, to be centered around on the outside of rectangular cover 6a and the first interconnected nacelle 12a, second
Nacelle 12b, the 3rd nacelle 12c and the 4th nacelle 12d, the first nacelle 12a and the 3rd nacelle 12c be arranged in parallel, the second nacelle 12b
It is be arranged in parallel with the 4th nacelle 12d, the second nacelle 12b and the 4th nacelle 12d bottom are tilted to the same side, the 3rd nacelle
12c bottom is domes, and the two ends of the domes are respectively to the second nacelle 12b and a high position for the 4th nacelle 12d bottoms
Tilt, the low level of the second nacelle 12b and the 4th nacelle 12d bottoms is tilted to the first nacelle 12a sides.
Due to the design feature in whole interim material cabin 12, the precoated sand material for entering interim material cabin 12 is concentrated in first
Nacelle 12a bottom, for the ease of reclaiming, be also provided with connecting with the first nacelle 12a in the first nacelle 12a bottom the
Five nacelle 12e, the 5th nacelle 12e are inverted triangular structure, and the 5th nacelle 12e bottom is provided with for reclaiming overlay film sand material
The pipe joint 12g of material.
The upper end in the interim material cabin 12 is also equipped with upper cover plate 12f, the first nacelle 12a, the second nacelle 12b,
Three nacelle 12c and the 4th nacelle 12d upper end is opened wide, and is provided with upper cover plate 12f and the second nacelle 12b, the 3rd nacelle
Powder recovery port 11c on the powder recovery port 11c of 12c and the 4th nacelle 12d connections, upper cover plate 12f lays platform with powder
Powder recovery port 11c on 11 is corresponded, and all powder recovery port 11c are strip rectangular opening.
The above described is only a preferred embodiment of the present invention, not making any limit to the technical scope of the present invention
System, therefore any subtle modifications, equivalent variations and modifications that every technical spirit according to the present invention is made to above example,
In the range of still falling within technical scheme.
Claims (4)
1. a kind of powder reclaiming device of 3D printing rapidform machine, it is characterised in that：Including provided with horizontally disposed powder paving
If platform (11), powder laying platform (11) is provided with the print window (11c) being located at directly over print platform (7), powder paving
If being provided with interim material cabin (12) below platform (11), the powder reclaiming device includes being fixedly mounted on powder laying platform
(11) two side shields (11a) and two end-stopping plates (11b) on, the print window (11c) are located at side shield (11a) and end
In the region in baffle plate (11b) besieged city, print window (11c) is to be provided with displacement on rectangular window, powder laying platform (11) to beat
The powder recovery port (11c) on window (11c) periphery is printed, the open upper end of cabin (12) is expected temporarily and is connected with powder recovery port (11c)
It is logical.
2. a kind of powder reclaiming device of 3D printing rapidform machine according to claim 1, it is characterised in that：It is described to face
When material cabin (12) include interconnected the first nacelle (12a), the second nacelle (12b), the 3rd nacelle (12c) and the 4th nacelle
(12d), the first nacelle (12a) and the 3rd nacelle (12c) are be arranged in parallel, and the second nacelle (12b) is parallel with the 4th nacelle (12d) to be set
Put, the bottom of the second nacelle (12b) and the 4th nacelle (12d) is tilted to the same side, the bottom of the 3rd nacelle (12c) is arch
Structure, the two ends of the domes are tilted to the second nacelle (12b) and the high-order of the 4th nacelle (12d) bottom respectively, the second cabin
Body (12b) and the low level of the 4th nacelle (12d) bottom are tilted to the first nacelle (12a) side.
3. a kind of powder reclaiming device of 3D printing rapidform machine according to claim 2, it is characterised in that：Described
The bottom of first nacelle (12a) is also provided with the 5th nacelle (12e) connected with the first nacelle (12a), the 5th nacelle
(12e) is inverted triangular structure, and the bottom of the 5th nacelle (12e) is provided with the pipe joint for reclaiming precoated sand material
(12g)。
4. a kind of powder reclaiming device of 3D printing rapidform machine according to claim 3, it is characterised in that：It is described to face
When material cabin (12) upper end be also equipped with upper cover plate (12f), first nacelle (12a), the second nacelle (12b), the 3rd nacelle
The upper end of (12c) and the 4th nacelle (12d) is opened wide, and is provided with upper cover plate (12f) and the second nacelle (12b), the 3rd cabin
Powder recovery port (11c) on the powder recovery port (11c) that body (12c) is connected with the 4th nacelle (12d), upper cover plate (12f) with
Powder recovery port (11) on powder laying platform (11) is corresponded, and all powder recovery ports (11) are strip rectangle
Mouthful.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710173713.1A CN107052338A (en) | 2017-03-22 | 2017-03-22 | A kind of powder reclaiming device of 3D printing rapidform machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710173713.1A CN107052338A (en) | 2017-03-22 | 2017-03-22 | A kind of powder reclaiming device of 3D printing rapidform machine |
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| CN107052338A true CN107052338A (en) | 2017-08-18 |
Family
ID=59620011
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710173713.1A Pending CN107052338A (en) | 2017-03-22 | 2017-03-22 | A kind of powder reclaiming device of 3D printing rapidform machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107671291A (en) * | 2017-11-13 | 2018-02-09 | 黎硕三维科技发展（上海）有限公司 | A kind of powder recovering mechanism of 3D printer |
| CN114535617A (en) * | 2022-02-23 | 2022-05-27 | 深圳市金石三维打印科技有限公司 | Metal powder 3D printing system and printing method |
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| CN114535617A (en) * | 2022-02-23 | 2022-05-27 | 深圳市金石三维打印科技有限公司 | Metal powder 3D printing system and printing method |
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