CN209379920U - A kind of quick powder feeding and spreading device of 3D printer - Google Patents
A kind of quick powder feeding and spreading device of 3D printer Download PDFInfo
- Publication number
- CN209379920U CN209379920U CN201822083802.XU CN201822083802U CN209379920U CN 209379920 U CN209379920 U CN 209379920U CN 201822083802 U CN201822083802 U CN 201822083802U CN 209379920 U CN209379920 U CN 209379920U
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- powder
- powder feeding
- scraper plate
- connecting rod
- roll shaft
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Abstract
The utility model discloses a kind of quick powder feeding and spreading device of 3D printer, feed inlet including powder box, the powder upper box part, the powder box two sides are fixedly installed with two root posts, are removably equipped with powder supply mechanism on the outside of the column, the powder lower box part is connected with powder feeding case；The powder feeding case and the powder box junction are equipped with removable door, and powder feeding case lower half is equipped with powder feeding channel, and the powder feeding channel is made of the circular channel of several even cloth, and powder feeding bottom portion is equipped with meal outlet；The powder supply mechanism includes being symmetrical arranged connecting rod, scraper plate and roll shaft.Dispersion and drainage are played the role of to the powder to get off in powder box in the channel of uniformly dispersing, accumulate the powder for falling on print zone only in diversity and；The scraper plate and roll shaft designed in pairs can be improved the efficiency and quality of powdering, and realizing has the quick powdering of quality.
Description
Technical field
The utility model relates to arrive 3D printer field, and in particular to the quick powder feeding and spreading to a kind of 3D printer fills
It sets.
Background technique
3D printing is one kind of rapid shaping technique, it is one kind based on digital model file and print routine, fortune
With adhesive materials such as powdery metal or plastics, the technology of object, 3D printing process are constructed by layer-by-layer printing
Need to carry out powder feeding and powdering operation, the usual powder feeding and powdering operation are completed by dust feeder and power spreading device
's.The effect quality of powder feeding and spreading is particularly important for print quality, and traditional powder feeding and spreading mechanism structure is complex, send
Powder is uneven, powdering out-of-flatness, not consolidation, and effect is bad.
Such as Chinese patent (CN201720929883.3) discloses a kind of printer dust feeder, including feeding funnel, institute
It states feeding funnel and offers feeding port, the printer dust feeder further includes the lower cover plate and peace being mounted below the feeding funnel
Hyoplastron in the lower cover plate, the lower cover plate offer slit, and the slit is located at below the feeding port, the tongue
Plate can be mobile to control the size that the slit is opened relative to the lower cover plate, and powder is flowed out from the slit.Described
The powder feeding that dust feeder can quantify, but the powder come out from slit is relatively concentrated, what is do not can be uniformly dispersed is scattered in print zone
Domain is unfavorable for subsequent powdering operation.
For another example Chinese patent (CN201720409422.3) discloses a kind of SLM type 3D printer powder feeding and spreading device, packet
Include idler wheel, sliding rail, powder feeding frame, roller shaft, powder feeding funnel, diaphragm plate, spring A, strut A, horizontal axis, roll shaft, sleeve A, strut B,
Scraper plate, sleeve B and spring B；Roller shaft may be rotatably mounted on powder feeding frame, and idler wheel can be rolled around along sliding rail, and powder feeding funnel is solid
Dingan County is on powder feeding frame, and diaphragm plate is fixedly mounted on inside powder feeding funnel, and powder feeding frame two sides of the bottom, which are respectively welded, is fixed with set
It is equipped with spring A in cylinder A and sleeve B, middle sleeve A, is equipped with spring B in sleeve B, strut B is fixedly mounted on the top of scraper plate.Institute
Structure is complicated for the powder feeding and spreading device stated, and the distance between roll shaft and scraper plate be it is fixed, print article of different sizes
When, it is unable to flexible modulation powdering area size, large article can only be printed by increasing moving distance on the slide rail, sent
Powder, powdering speed are slower.
Summary of the invention
The purpose of this utility model is in view of the problems of the existing technology, to provide a kind of quick powder feeding paving of 3D printer
Powder device.
In order to achieve the above purposes, the technical solution adopted by the utility model is:
A kind of quick powder feeding and spreading device of 3D printer, the feed inlet including powder box, the powder upper box part are described
Powder box two sides are fixedly installed with two root posts, are removably equipped with powder supply mechanism on the outside of the column, under the powder box
Portion is connected with powder feeding case；The powder feeding case and the powder box junction are equipped with removable door, and powder feeding case lower half is set
There is powder feeding channel, the powder feeding channel is made of the circular channel of several even cloth, and powder feeding bottom portion is equipped with meal outlet；It is described
Powder supply mechanism includes symmetrically arranged first connecting rod and the second connecting rod, the first connecting rod and second connecting rod one
End is hinged together；The other end of the first connecting rod is connected with the first roll shaft, the other end connection of second connecting rod
There is the second roll shaft；Position on the inside of first roll shaft is equipped with the first scraper plate, the position on the inside of second roll shaft
Equipped with the second scraper plate；First scraper plate top is fixedly mounted on the first connecting rod, and second scraper plate top is fixed
It is mounted in second connecting rod.When printer is started to work, powder is added from feed inlet, opens door, powder passes through
Equally distributed circular channel is evenly scattered in print area, printer driven in side-to-side movement engineering scraper plate to powder into
Row, which strikes off, to be spread out, and and then roll shaft is further compacted powder, compresses；Roll shaft beside scraper plate can be fast to the powder struck off
Speed is compacted, and the scraper plate and roll shaft designed in pairs can be improved the efficiency and quality of powdering, and realizing has the quick powdering of quality.
Specifically, first scraper plate and second scraper plate bottom are provided with "T"-shaped sliding slot and are equipped with scraping article, the scraping article
To be "T"-shaped, the top of the scraping article is caught in the sliding slot.It, can be with simple and convenient to damage equipped with dismountable scraping article
Scraping article replaced, without replacing entire scraper plate, saved the cost of later maintenance.
Specifically, first scraper plate and the second scraper plate both upper ends thereof are equipped with mounting rod, the mounting rod is equipped with
Several mounting holes are simultaneously mounted on the first connecting rod and the second connecting rod.The mounting rod can make according to actual needs
The mounting rod is mounted in connecting rod with different mounting holes, reaches and adjusts scraper plate at a distance from powder contact.
Specifically, it is in triangle, institute that the plate body of first scraper plate and second scraper plate, which is straight panel shape, lower part,
The both ends for stating the first scraper plate and second scraper plate are additionally provided with brush head.The brush head can clean the powder that two sides are scattered in time
Powder accumulation is reduced at end.
Specifically, the staggered composition powder feeding channel in described channel or so, the channel close to left side is parallel to institute
The left side wall of powder feeding case is stated, the right side wall of the powder feeding case is parallel to close to the channel on right side.The channel pair of uniformly dispersing
The powder to get off in powder box plays the role of dispersion and drainage, to make to fall on the powder of print zone only in diversity and heap
Product.
Specifically, being fixedly installed with sliding rail on the outside of the column, the sliding rail is equipped with upper and lower adjustable sliding block and limit
Block, the powder supply mechanism are bolted on the sliding block of the sliding rail.Can the sliding block of up and down adjustment can make the first connection
Bar and the angle of the second connecting rod become larger or become smaller, so that the distance between two side scraper plates are increased or decreased, to adjust powdering
Speed and the printing for adapting to different size object.
Specifically, the column bottom is equipped with pulley.Pulley can drive printer main body mobile.
Specifically, first roll shaft and identical and mutually symmetrical as the second roll shaft structure size, described first is scraped
Plate is identical as the second blade structure size and length is greater than first roll shaft and the length with second roll shaft.
Compared with prior art, the utility model has the beneficial effects that 1, symmetrically arranged Double-scraper and roll shaft, Ke Yiyou
Effect improves powdering efficiency and quality；2, there is dispersion drainage in the powder feeding channel of uniformly dispersing to powder, makes to fall on print zone
Powder more divide equally, do not accumulate, be conducive to subsequent powdering；3, the brush head for scraping board ends can clean the powder that two sides are scattered in time
The powder accumulation that print area is is reduced at end；4, be equipped with dismountable scraping article, can with the simple and convenient scraping article to damage into
Row replacement has saved the cost of later maintenance without replacing entire scraper plate；5, can the sliding block of up and down adjustment can make first
The angle of connecting rod and the second connecting rod becomes larger or becomes smaller, so that the distance between two side scraper plates are increased or decreased, to adjust paving
The speed of powder and the printing for adapting to different size object.
Detailed description of the invention
Fig. 1 is the quick powder feeding and spreading device structural schematic diagram of the utility model；
Fig. 2 is the power spreading device top view of the utility model；
Fig. 3 is the blade structure schematic diagram of the utility model；
Fig. 4 is the scraper plate partial enlarged view of the utility model；
Fig. 5 is the powdering access diagram of the utility model；
In figure: 1- powder box, 2- feed inlet, 3- column, 4- powder feeding case, 5- powder feeding channel, the channel 501-, 6- meal outlet,
701- first connecting rod, the connection of 702- second, the first roll shaft of 801-, the second roll shaft of 802-, the first scraper plate of 901-, 902- second are scraped
Plate, 10- sliding rail, 11- mounting rod, 12- mounting hole, 13- brush head, 14- bristle, 15- scraping article.
Specific embodiment
Below in conjunction with the attached drawing in the utility model, the technical solution of the utility model is clearly and completely retouched
It states, it is clear that the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.Based on this
Embodiment in utility model, those of ordinary skill in the art under the conditions of not making creative work it is obtained it is all its
Its embodiment, fall within the protection scope of the utility model.
As depicted in figs. 1 and 2, the quick powder feeding and spreading device of a kind of 3D printer, including powder box 1, the powder box 1
The feed inlet 2 on top, 1 two sides of powder box are fixedly installed with two root posts 3, and 3 outside of column is removably equipped with
Powder supply mechanism, 1 lower part of powder box are connected with powder feeding case 4；The powder feeding case 4 is equipped with removable with 1 junction of powder box
Dynamic door (not shown), 4 lower half of powder feeding case are equipped with powder feeding channel 5, the powder feeding channel by several even cloth circle
Shape channel 501 forms, and 4 bottom of powder feeding case is equipped with meal outlet 6；The powder supply mechanism includes symmetrically arranged first connecting rod
701 and second connecting rod 702, the first connecting rod 701 and described second connecting rod, 702 one end are hinged together；Described
The other end of one connecting rod 701 is connected with the first roll shaft 801, and the other end of second connecting rod 702 is connected with the second roll shaft
802；Position close to 801 inside of the first roll shaft is equipped with the first scraper plate 901, close to the position of 802 inside of the second roll shaft
The second scraper plate 902 is installed；First scraper plate, 901 upper bolt is fixedly mounted on the first connecting rod 701, and described
Two scraper plates, 902 upper bolt is fixedly mounted in second connecting rod 702.Powder is added from the feed inlet 2, is stored in
In the powder box 1, when printer is started to work, the door between powder box 1 and powder feeding case 4 is opened, the door can be with
Need to control the size of opening according to printing, powder is fallen in powder box 4 uniformly to be dissipated by equally distributed circular channel 501
Print area is fallen in, printer drives scraper plate strike off spreading out to powder in side-to-side movement engineering, and and then roll shaft is to powder
Last further compacting compresses；Roll shaft beside scraper plate can be compacted rapidly the powder struck off, the scraper plate designed in pairs
It can be improved the efficiency and quality of powdering with roll shaft, realizing has the quick powdering of quality.
As shown in figure 4, first scraper plate 901 and 902 bottom of the second scraper plate are provided with "T"-shaped sliding slot and are equipped with scraping article
15, the scraping article 15 be it is "T"-shaped, the top of the scraping article is caught in the sliding slot.Long-term move back and forth is invaded with binder
Meeting is lost so that the out-of-flatness of scraper plate bottom, influences powdering quality, is equipped with the removably scraping article 15, it can be with simple and convenient to damage
Scraping article 15 replaced, without replacing entire scraper plate, saved the cost of later maintenance.
As shown in figure 3, first scraper plate 901 and 902 both upper ends thereof of the second scraper plate are equipped with mounting rod 11, the peace
Dress bar 11 is equipped with several mounting holes 15 and is mounted on (figure 702 on the first connecting rod 701 and the second connecting rod by bolt
In be not shown in 3).The mounting rod 11 can according to actual needs be installed the mounting rod 11 using different mounting holes 12
In connecting rod, reaches and adjust scraper plate at a distance from powder contact.
As shown in figure 3, it is in three that the plate body of first scraper plate 901 and second scraper plate 902, which is straight panel shape, lower part,
The both ends of angular shape, first scraper plate 901 and second scraper plate 902 are additionally provided with brush head 13.Brush on the brush head 13
Hair 14 can clean the powder that two sides are scattered in time, reduce the powder accumulation of two sides.
As shown in figure 5, the channel 501 or so is staggered to form the powder feeding channel 5, the channel close to left side is flat
Row is parallel to the right side wall of the powder feeding case close to the channel on right side in the left side wall of the powder feeding case.Uniformly dispersing
Dispersion and drainage are played the role of to the powder to get off in powder box in channel 501, to keep the powder for falling on print zone inexcessive
Collection neutralizes accumulation.
Further, as shown in Figure 1, being fixedly installed with sliding rail 10 on the outside of the column 3, the sliding rail 10 is equipped with up and down
Adjustable sliding block and limited block (not shown in figure 1), the powder supply mechanism are bolted on the sliding block of the sliding rail 10.
Can the sliding block of up and down adjustment first connecting rod and the angle of the second connecting rod can be made to become larger or become smaller, to increase or decrease two
The distance between side scraper plate, to adjust the speed of powdering and adapt to the printing of different size object.
Specifically, 3 bottom of column is equipped with pulley.Pulley can drive printer main body mobile.
Specifically, first roll shaft 801 and identical and mutually symmetrical as 802 structure size of the second roll shaft, described
First scraper plate 901 is identical as 902 structure size of the second scraper plate and length be greater than first roll shaft 801 and with second roll shaft
802 length.The length of scraper plate is slightly larger than the length of roll shaft, it is ensured that and the powder that roll shaft presses through all was struck off by scraper plate, and
And it is mounted on the outside of connecting rod convenient for the mounting rod 11 on scraper plate top.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (8)
1. a kind of quick powder feeding and spreading device of 3D printer, the feed inlet including powder box, the powder upper box part, feature
It is, the powder box two sides are fixedly installed with two root posts, are removably equipped with powder supply mechanism on the outside of the column, described
Powder lower box part is connected with powder feeding case；The powder feeding case and the powder box junction are equipped with removable door, the powder feeding case
Lower half is equipped with powder feeding channel, and the powder feeding channel is made of the circular channel of several even cloth, and powder feeding bottom portion is equipped with
Powder mouth；The powder supply mechanism includes symmetrically arranged first connecting rod and the second connecting rod, the first connecting rod and described
Two connecting rod one end are hinged together；The other end of the first connecting rod is connected with the first roll shaft, second connecting rod
The other end is connected with the second roll shaft；Position on the inside of first roll shaft is equipped with the first scraper plate, close to second roll shaft
The position of inside is equipped with the second scraper plate；First scraper plate top is fixedly mounted on the first connecting rod, and described second scrapes
Plate top is fixedly mounted in second connecting rod.
2. quick powder feeding and spreading device according to claim 1, which is characterized in that first scraper plate and described second is scraped
Board bottom portion be provided with "T"-shaped sliding slot and be equipped with scraping article, the scraping article be it is "T"-shaped, the top of the scraping article is caught in the sliding slot.
3. quick powder feeding and spreading device according to claim 1, which is characterized in that first scraper plate and described second is scraped
Plate both upper ends thereof is equipped with mounting rod, and the mounting rod, which is equipped with several mounting holes and is mounted on the first connecting rod and second, to be connected
On extension bar.
4. quick powder feeding and spreading device according to claim 1, which is characterized in that first scraper plate and described second is scraped
It is in triangle that the plate body of plate, which is straight panel shape, lower part, and the both ends of first scraper plate and second scraper plate are additionally provided with
Brush head.
5. quick powder feeding and spreading device according to claim 1, which is characterized in that the staggered composition institute in described channel or so
Powder feeding channel is stated, the left side wall of the powder feeding case is parallel to close to the channel in left side, the channel close to right side is parallel
In the right side wall of the powder feeding case.
6. quick powder feeding and spreading device according to claim 1, which is characterized in that be fixedly installed with cunning on the outside of the column
Rail, the sliding rail is equipped with upper and lower adjustable sliding block and limited block, the powder supply mechanism are bolted in the sliding rail
On sliding block.
7. quick powder feeding and spreading device according to claim 1, which is characterized in that the column bottom is equipped with pulley.
8. quick powder feeding and spreading device according to claim 1, which is characterized in that first roll shaft and with described second
Roll shaft structure size is identical and mutually symmetrical, and first scraper plate is identical as the second blade structure size and length is greater than described the
One roll shaft and length with second roll shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822083802.XU CN209379920U (en) | 2018-12-12 | 2018-12-12 | A kind of quick powder feeding and spreading device of 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822083802.XU CN209379920U (en) | 2018-12-12 | 2018-12-12 | A kind of quick powder feeding and spreading device of 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209379920U true CN209379920U (en) | 2019-09-13 |
Family
ID=67871700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822083802.XU Active CN209379920U (en) | 2018-12-12 | 2018-12-12 | A kind of quick powder feeding and spreading device of 3D printer |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110978507A (en) * | 2019-12-24 | 2020-04-10 | 安徽薄荷三维科技有限公司 | Powder paving device for full-color powder 3D printing |
| CN112139498A (en) * | 2020-09-21 | 2020-12-29 | 昆明理工大学 | Material increase manufacturing process and equipment for selective laser melting composite online rolling |
| CN112191846A (en) * | 2020-09-21 | 2021-01-08 | 昆明理工大学 | Additive manufacturing process and equipment for rolling composite selective laser melting |
| CN112520448A (en) * | 2020-11-30 | 2021-03-19 | 嘉兴维恩机械有限公司 | Automatic powder laying device for self-lubricating bearing |
| CN113135575A (en) * | 2021-03-16 | 2021-07-20 | 罗秀 | Amorphous boron powder pretreatment device based on layer-by-layer staggered stacking |
-
2018
- 2018-12-12 CN CN201822083802.XU patent/CN209379920U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110978507A (en) * | 2019-12-24 | 2020-04-10 | 安徽薄荷三维科技有限公司 | Powder paving device for full-color powder 3D printing |
| CN110978507B (en) * | 2019-12-24 | 2022-04-15 | 安徽薄荷三维科技有限公司 | Powder paving device for full-color powder 3D printing |
| CN112139498A (en) * | 2020-09-21 | 2020-12-29 | 昆明理工大学 | Material increase manufacturing process and equipment for selective laser melting composite online rolling |
| CN112191846A (en) * | 2020-09-21 | 2021-01-08 | 昆明理工大学 | Additive manufacturing process and equipment for rolling composite selective laser melting |
| CN112139498B (en) * | 2020-09-21 | 2021-10-29 | 昆明理工大学 | Material increase manufacturing process and equipment for selective laser melting composite online rolling |
| CN112191846B (en) * | 2020-09-21 | 2021-10-29 | 昆明理工大学 | Additive manufacturing process and equipment for rolling composite selective laser melting |
| CN112520448A (en) * | 2020-11-30 | 2021-03-19 | 嘉兴维恩机械有限公司 | Automatic powder laying device for self-lubricating bearing |
| CN113135575A (en) * | 2021-03-16 | 2021-07-20 | 罗秀 | Amorphous boron powder pretreatment device based on layer-by-layer staggered stacking |
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