CN110370636A - A kind of two-way powder laying device for 3D printing technique - Google Patents
A kind of two-way powder laying device for 3D printing technique Download PDFInfo
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- CN110370636A CN110370636A CN201910692514.0A CN201910692514A CN110370636A CN 110370636 A CN110370636 A CN 110370636A CN 201910692514 A CN201910692514 A CN 201910692514A CN 110370636 A CN110370636 A CN 110370636A
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- powder
- plate
- printing technique
- powder container
- laying device
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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
- B22F10/20—Direct sintering or melting
-
- 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
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/10—Formation of a green body
-
- 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
- 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
-
- 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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/005—Loading or unloading powder metal objects
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- 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
-
- 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
- B29C64/314—Preparation
-
- 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
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- 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
-
- 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)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Producing Shaped Articles From Materials (AREA)
Abstract
The present invention discloses a kind of two-way powder laying device for 3D printing technique, is related to 3D printing technique field, including two connection frames, corresponds and is slidably connected with two guide rails；Powder container comprising inlet port and outlet port, and the left and right sides of powder container corresponds and is fixedly connected with two connection frames；Feeding plate is rotatablely arranged at the outside of powder container, to be opened and closed discharge port；For smoothing out the scraper plate of powder, it is rotatablely arranged at the outside of powder container, to control the consolidation degree of powder；Agitating device is rotatablely arranged at the inside of powder container, to break up and convey powder.The two-way powder laying device powdering process for 3D printing technique is noiseless compared with vibrating powdering mode, and its agitating device can effectively avoid powder agglomeration, and feeding plate can be precisely controlled powder outlet quantity, and scraper plate, which can adjust, has been laid with powder consolidation degree.
Description
Technical field
The present invention relates to 3D printing technique fields, more particularly to a kind of two-way powder laying device for 3D printing technique.
Background technique
For 3D printing equipment, technical process is usually first to be laid with one layer of powder or granular material in workbench, should
Powder grain material can be metal powder, foundry sand, plastic powder particle etc., then pass through laser sintered or spraying adhesive etc. again
Mode, makes the regions curing molding selected in this layer of powder by control software, which is usually the cross section of produced workpiece.
So workpiece needed for successively printing accumulation molding.Existing power spreading device includes vibrational structure and scraper plate, the work of 3D printing equipment
A guide rail is respectively arranged in the opposite two sides of platform, and vibrational structure is slidably connected with each guide rail, is made during powdering by vibrational structure
It falls on the workbench of 3D printing equipment, is being smoothed out the powder of whereabouts with scraper plate, which powder often occurs under powder
The problem of material agglomeration not blanking, and powder outlet quantity and to be laid with powder consolidation degree uncontrollable.Because noise caused by vibrating is also 3D
The main noise source in workshop is printed, generally reaches 80-90 decibels.
Therefore, it is noiseless how to provide one kind, can effectively avoid powder agglomeration, and can control powder outlet quantity and be laid with powder
The power spreading device of consolidation degree is current urgent problem to be solved.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of noiseless, can effectively avoid powder agglomeration, and can control out
Powder amount and the two-way powder laying device for 3D printing technique for being laid with powder consolidation degree.
To achieve the above object, the present invention provides following schemes:
The present invention provides a kind of two-way powder laying device for 3D printing technique, including two connection frames, leads with two
Rail is corresponded and is slidably connected；Powder container comprising inlet port and outlet port, and the left and right sides of the powder container with
Two connection frames are corresponded and are fixedly connected；Feeding plate is rotatablely arranged at the outside of the powder container, with
It is opened and closed the discharge port；For smoothing out the scraper plate of powder, it is rotatablely arranged at the outside of the powder container, to control
State the consolidation degree of powder；Agitating device is rotatablely arranged at the inside of the powder container, described to break up and convey
Powder；First power device is sequentially connected to drive the agitating device to rotate with the agitating device；Second power dress
It sets, is sequentially connected with the feeding plate to drive the feeding plate to rotate；Third power device is driven with the scraper plate and connects
It connects to drive the scraper plate to rotate.
Preferably, the discharge port is set to the lower surface of the powder container, and the lower surface of the powder container is arc
Face, the feeding plate are arc feeding plate, and the upper surface of the feeding plate and the lower surface of the powder container fit, and institute
The axis that feeding plate is stated around the cambered surface rotates.
Preferably, the scraper plate is straight panel structure.
Preferably, the agitating device includes central axis and helical blade, length of the helical blade along the central axis
Degree direction is helically wound around on the lateral wall of the central axis, and the both ends of the central axis extend through a left side for the powder container
Right two sides are simultaneously rotatablely connected with the left and right sides of the powder container respectively.
Preferably, first power device includes motor and conveyer belt, and the output end of the motor passes through the transmission
One end of band and the central axis is sequentially connected.
Preferably, the first side plate and the second side plate, a left side for the scraper plate are respectively arranged at left and right sides of the feeding plate
Right two sides are respectively arranged with third side plate and the 4th side plate, and first rotating shaft, second side plate are provided on first side plate
On be provided with first through hole, the second through-hole is provided on the third side plate, is provided with the second shaft on the 4th side plate, institute
It states first rotating shaft to be rotatably installed in second through-hole, second shaft is rotatably installed on the first through hole
Interior, the first rotating shaft and second power device are sequentially connected, and second shaft and the third power device are driven
Connection.
Preferably, second power device includes the first tilt cylinder, and first tilt cylinder and first rotating shaft transmission connect
It connects.
Preferably, the third power device includes the second tilt cylinder, and second tilt cylinder and second rotating shaft transmission connect
It connects.
Preferably, the connection frame includes the guide rail splice and middle fixing plate being fixedly connected, the guide rail splice
It is slidably connected with the guide rail, the middle fixing plate is fixedly connected with the powder container.
Preferably, the guide rail splice includes orthogonal first connecting plate and the second connecting plate, and the centre is solid
Fixed board includes orthogonal first fixed plate and the second fixed plate, and first connecting plate and first fixed plate are mutual
In parallel, second connecting plate is parallel to each other with second fixed plate, and the downside of first connecting plate and described second connects
Fishplate bar is fixedly connected, and second connecting plate is slidably connected with the guide rail, the upside of first connecting plate and described second
Fixed plate is fixedly connected, and the upside of first fixed plate is fixedly connected with second fixed plate, first fixed plate with
The powder container is fixedly connected.The present invention achieves following technical effect compared with the existing technology:
Provided by the present invention for the two-way powder laying device of 3D printing technique, including two connection frames, with two guide rails
It corresponds and is slidably connected；Powder container comprising inlet port and outlet port, and the left and right sides of powder container and two companies
Frame is connect to correspond and be fixedly connected；Feeding plate is rotatablely arranged at the outside of powder container, to be opened and closed discharge port；With
In the scraper plate for smoothing out powder, it is rotatablely arranged at the outside of powder container, to control the consolidation degree of powder；Stirring dress
It sets, is rotatablely arranged at the inside of powder container, to break up and convey powder；First power device, with agitating device
Transmission connection is to drive agitating device to rotate；Second power device is sequentially connected with feeding plate to drive feeding plate to rotate；The
Three power devices are sequentially connected with scraper plate to drive scraper plate to rotate.This is used for 3D printing technique compared with vibrating powdering mode
Two-way powder laying device powdering process it is noiseless, and its agitating device stirring can effectively avoid powder agglomeration, feeding plate can
It is precisely controlled powder outlet quantity, scraper plate, which can adjust, has been laid with powder consolidation degree.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the two-way powder laying device for 3D printing technique provided in the embodiment of the present invention；
Fig. 2 is the cross-sectional view of Fig. 1；
Fig. 3 is the structural schematic diagram of feeding plate in the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of scraper plate in the embodiment of the present invention；
Fig. 5 is the portion the C enlarged drawing of Fig. 2；
Fig. 6 is the portion the D enlarged drawing of Fig. 2；
Fig. 7 is the H-H cross-sectional view of Fig. 2；
Fig. 8 is the first state figure of Fig. 7；
Fig. 9 is the second state diagram of Fig. 7.
Description of symbols: 1, Lifting platform；2, guide rail；3, powder container；4, feeding plate；5, scraper plate；6, motor；7,
Two power devices；8, third power device；9, the first connecting plate；10, the second connecting plate；11, the first fixed plate；12, second is solid
Fixed board；13, feed inlet；14, the first discharge port；15, the second discharge port；16, central axis；17, helical blade；18, conveyer belt；
19, first rotating shaft；20, first through hole；21, the second shaft；22, the second through-hole；23, workbench.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of noiseless, powder agglomeration can effectively avoid, and can control powder outlet quantity and spread
If the two-way powder laying device for 3D printing technique of powder consolidation degree.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Embodiment one:
The present embodiment provides a kind of two-way powder laying devices for 3D printing technique, as Figure 1-Figure 2, including two companies
Frame is connect, corresponds and is slidably connected with two guide rails 2；Powder container 3 comprising feed inlet 13 and discharge port, and powder
The left and right sides of container 3 corresponds and is fixedly connected with two connection frames；Feeding plate 4 is rotatablely arranged at powder appearance
The outside of device 3, to be opened and closed discharge port；For smoothing out the scraper plate 5 of powder, it is rotatablely arranged at the outside of powder container 3, with
Control the consolidation degree of powder；Agitating device is rotatablely arranged at the inside of powder container 3, to break up and convey powder；
First power device is sequentially connected with agitating device to drive agitating device to rotate；Second power device 7, with feeding plate 4
Transmission connection is to drive feeding plate 4 to rotate；Third power device 8 is sequentially connected to drive scraper plate 5 to rotate with scraper plate 5.With vibration
Dynamic powdering mode is noiseless compared to the two-way powder laying device powdering process for being used for 3D printing technique, and its agitating device can be effective
Powder is avoided to agglomerate, feeding plate 4 can be precisely controlled powder outlet quantity, and scraper plate 5, which can adjust, has been laid with powder consolidation degree.
It should be noted that guide rail 2 is the guide rail 2 that 3D printing equipment carries, by keeping connection frame and guide rail 2 sliding when use
Dynamic connection, connection frame are able to drive powder container 3 and move back and forth along 3D printing equipment workbench 23, realize two-way powder laying, and existing
Some 3D printing equipment workbench 23 include Lifting platform 1, which will go out when using
Material mouth and Lifting platform 1 are opposite, and Lifting platform 1 is gone up and down to realize layer-by-layer powdering.
Embodiment two:
The present embodiment includes all technical features of embodiment one, the difference is that, as shown in Fig. 3-Fig. 9, discharge port
It is set to the lower surface of powder container 3, the quantity of discharge port is specially 2 in the present embodiment, 14 He of respectively the first discharge port
Second discharge port 15, the first discharge port 14 and the setting of 15 side by side parallel of the second discharge port, and optionally, feed inlet 13 is set to powder
The top of material container 3, the lower surface of powder container 3 are cambered surface, and feeding plate 4 is arc feeding plate, the upper surface of feeding plate 4 and powder
The lower surface of material container 3 fits, and feeding plate 4 is rotated around the axis of cambered surface；Scraper plate 5 is straight panel structure；The left and right of feeding plate 4
Two sides are respectively arranged with the first side plate and the second side plate, and the left and right sides of scraper plate 5 is respectively arranged with third side plate and the 4th side plate,
It is provided with first rotating shaft 19 on first side plate, first through hole 20 is provided on the second side plate, it is logical that second is provided on third side plate
Hole 22 is provided with the second shaft 21 on the 4th side plate, and first rotating shaft 19 is rotatably installed in the second through-hole 22, the second shaft
21 are rotatably installed in first through hole 20, and first rotating shaft 19 and the second power device 7 are sequentially connected, the second shaft 21 and the
The transmission connection of three power devices 8；Second power device 7 includes the first tilt cylinder, and the first tilt cylinder and first rotating shaft 19 are sequentially connected；The
Three power devices 8 include the second tilt cylinder, and the second tilt cylinder and the second shaft 21 are sequentially connected.So set, feeding plate 4 and scraper plate 5
Rotation be independent of each other, and this be used for 3D printing technique two-way powder laying apparatus structure it is compact, it is small in size.
Referring to figs. 1 and 2, when work starts, powder container 3 with the end A (or the end B) in scheming for starting point, to the end B
First layer powder grain material is routed on the Lifting platform 1 of 3D printing equipment workbench 23 by (or the end A) simultaneously during moving.
Then the Lifting platform 1 declines certain distance, and device moves again from the end B (or the end A) to the end A (or the end B), while being laid with the second layer
Powder is the upper surface of to preceding layer powder.It loops back and forth like this, carries out two-way powder laying, complete whole powdering processes.
When powder container 3 is from the end A to B end motion and is laid with powder, feeding plate 4 stops after rotating clockwise certain angle
Only, scraper plate 5 stops after rotating counterclockwise certain angle, and agitating device is counterclockwise with the synchronous progress of movement of powder container 3
Rotation, makes powder not agglomerate loosely, it is ensured that powder continuously enough dischargings.At this point, the first discharge port 14 is no longer hidden by feeding plate 4
Gear, powder can flow out under self gravity and the collective effect of agitating device from the first discharge port 14, when scraper plate 5 is in motion process
In touch the powder fallen after, lower surface due to being tilted a certain angle with horizontal plane, can to powder apply centainly push away
Power and pressure promote powder to be uniformly laid on 23 Lifting platform 1 of 3D printing equipment workbench or the upper surface of preceding layer powder.
When powder container 3 is from the end B to A end motion and is laid with powder, feeding plate 4 stops after rotating counterclockwise certain angle
Only, scraper plate 5 stops after rotating clockwise certain angle, and agitating device is clockwise with the synchronous progress of movement of powder container 3
Rotation, makes powder not agglomerate loosely, it is ensured that powder continuously enough dischargings.At this point, the second discharge port 15 is no longer hidden by feeding plate 4
Gear, powder can flow out under self gravity and the collective effect of agitating device from the second discharge port 15, and scraper plate 5 equally can be to contact
The powder arrived applies certain thrust and pressure, and powder is made uniformly to be laid on the upper surface of preceding layer powder.
By controlling the rotational angle of feeding plate 4, it can control the first discharge port 14 and the second discharge port 15 be blocked
Area, and then control the size of powder outlet quantity.By controlling the rotational angle of scraper plate 5, scraper plate 5 and horizontal plane angle can control
Size, and then the pressure size of 5 pairs of powders touched of scraper plate is controlled, to reach the mesh for controlling be laid with powder consolidation degree
's.Above mentioned rotational angle, powder outlet quantity size, pressure size, the parameters such as consolidation degree are required to according to actual use
Powder material, carrying out practical test rear can determine that the optimal values for being suitble to production and application.
Embodiment three:
The present embodiment includes all technical features of embodiment one, the difference is that, as shown in Fig. 2, agitating device packet
Central axis 16 and helical blade 17 are included, helical blade 17 is helically wound around the outside of central axis 16 along the length direction of central axis 16
On wall, the both ends of central axis 16 extend through the left and right sides of powder container 3 and rotate respectively with the left and right sides of powder container 3
Connection；First power device includes motor 6 and conveyer belt 18, and the output end of motor 6 passes through conveyer belt 18 and the one of central axis 16
End transmission connection.So set, agitating device can quickly and easily be broken up and convey powder.
Example IV:
The present embodiment includes all technical features of embodiment one, the difference is that, as shown in figs 1 to 6, connection frame
Including the guide rail splice and middle fixing plate being fixedly connected, guide rail splice is slidably connected with guide rail 2, middle fixing plate and powder
Material container 3 is fixedly connected, and guide rail splice includes orthogonal first connecting plate 9 and the second connecting plate 10, middle fixing plate
Including orthogonal first fixed plate 11 and the second fixed plate 12, and the first connecting plate 9 is parallel to each other with the first fixed plate 11,
Second connecting plate 10 is parallel to each other with the second fixed plate 12, and the downside of the first connecting plate 9 is fixedly connected with the second connecting plate 10, the
Two connecting plates 10 are slidably connected with guide rail 2, and the upside of the first connecting plate 9 is fixedly connected with the second fixed plate 12, the first fixed plate
11 upside is fixedly connected with the second fixed plate 12, and the first fixed plate 11 is fixedly connected with powder container 3, specific in the present embodiment
, the upside of the first connecting plate 9 is fixedly connected with the right side of the second fixed plate 12, and the downside of the first connecting plate 9 is connect with second
The right side of plate 10 is fixedly connected, and the upside of the first fixed plate 11 is fixedly connected with the left side of the second fixed plate 12, the first connecting plate
9, the second connecting plate 10, the first fixed plate 11 and the second fixed plate 12 surround an installation space, and the first power fills in use process
Set, the second power device 7 and third power device 8 are mountable in installation space, so set, this is used for 3D printing technique
Two-way powder laying apparatus structure is more compact, and volume is smaller.
It should be noted that the "upper", "lower", "left", "right" in the present invention are the two-way powder laying for being used for 3D printing technique
Meaning when device mode as shown in Figure 1 is placed.
Apply that a specific example illustrates the principle and implementation of the invention in this specification, above embodiments
Explanation be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art,
According to the thought of the present invention, there will be changes in the specific implementation manner and application range.In conclusion in this specification
Appearance should not be construed as limiting the invention.
Claims (10)
1. a kind of two-way powder laying device for 3D printing technique, which is characterized in that including,
Two connection frames are corresponded and are slidably connected with two guide rails；
Powder container comprising inlet port and outlet port, and the left and right sides of the powder container and two connection frames one
One corresponds to and is fixedly connected；
Feeding plate is rotatablely arranged at the outside of the powder container, to be opened and closed the discharge port；
For smoothing out the scraper plate of powder, it is rotatablely arranged at the outside of the powder container, to control the tight of the powder
Real degree；
Agitating device is rotatablely arranged at the inside of the powder container, to break up and convey the powder；
First power device is sequentially connected to drive the agitating device to rotate with the agitating device；
Second power device is sequentially connected to drive the feeding plate to rotate with the feeding plate；
Third power device is sequentially connected to drive the scraper plate to rotate with the scraper plate.
2. the two-way powder laying device according to claim 1 for 3D printing technique, which is characterized in that the discharge port is set
It is placed in the lower surface of the powder container, the lower surface of the powder container is cambered surface, and the feeding plate is arc feeding plate, institute
The lower surface of the upper surface and the powder container of stating feeding plate fits, and the feeding plate turns around the axis of the cambered surface
It is dynamic.
3. the two-way powder laying device according to claim 1 for 3D printing technique, which is characterized in that the scraper plate is straight
Hardened structure.
4. the two-way powder laying device according to claim 1 for 3D printing technique, which is characterized in that the agitating device
Including central axis and helical blade, the helical blade is helically wound around the central axis along the length direction of the central axis
On lateral wall, the both ends of the central axis extend through the left and right sides of the powder container and respectively with the powder container
Left and right sides rotation connection.
5. the two-way powder laying device according to claim 4 for 3D printing technique, which is characterized in that first power
Device includes motor and conveyer belt, and the output end of the motor is driven by one end of the conveyer belt and the central axis to be connected
It connects.
6. the two-way powder laying device according to claim 1 for 3D printing technique, which is characterized in that the feeding plate
The left and right sides is respectively arranged with the first side plate and the second side plate, and third side plate and are respectively arranged at left and right sides of the scraper plate
Four side plates are provided with first rotating shaft on first side plate, first through hole, the third side plate are provided on second side plate
On be provided with the second through-hole, be provided with the second shaft on the 4th side plate, the first rotating shaft is rotatably installed on described
In second through-hole, second shaft is rotatably installed in the first through hole, and the first rotating shaft is dynamic with described second
The transmission connection of power device, second shaft and the third power device are sequentially connected.
7. the two-way powder laying device according to claim 6 for 3D printing technique, which is characterized in that second power
Device includes the first tilt cylinder, and first tilt cylinder and the first rotating shaft are sequentially connected.
8. the two-way powder laying device according to claim 6 for 3D printing technique, which is characterized in that the third power
Device includes the second tilt cylinder, and second tilt cylinder is connect with second rotating shaft transmission.
9. the two-way powder laying device according to claim 1 for 3D printing technique, which is characterized in that the connection frame packet
The guide rail splice and middle fixing plate being fixedly connected are included, the guide rail splice is slidably connected with the guide rail, the centre
Fixed plate is fixedly connected with the powder container.
10. the two-way powder laying device according to claim 9 for 3D printing technique, which is characterized in that the guide rail connects
Fishplate bar includes orthogonal first connecting plate and the second connecting plate, and the middle fixing plate includes orthogonal first fixed
Plate and the second fixed plate, and first connecting plate is parallel to each other with first fixed plate, second connecting plate with it is described
Second fixed plate is parallel to each other, and the downside of first connecting plate is fixedly connected with second connecting plate, second connection
Plate is slidably connected with the guide rail, and the upside of first connecting plate is fixedly connected with second fixed plate, and described first is solid
The upside of fixed board is fixedly connected with second fixed plate, and first fixed plate is fixedly connected with the powder container.
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| CN201910692514.0A CN110370636B (en) | 2019-07-30 | 2019-07-30 | A two-way shop powder device for 3D printing technology |
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| CN201910692514.0A CN110370636B (en) | 2019-07-30 | 2019-07-30 | A two-way shop powder device for 3D printing technology |
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| CN110370636B (en) | 2020-07-28 |
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