CN211416317U - Quick powder paving device of 3D printer - Google Patents
Quick powder paving device of 3D printer Download PDFInfo
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- CN211416317U CN211416317U CN201921603631.7U CN201921603631U CN211416317U CN 211416317 U CN211416317 U CN 211416317U CN 201921603631 U CN201921603631 U CN 201921603631U CN 211416317 U CN211416317 U CN 211416317U
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- powder
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- fixed
- regulating plate
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Abstract
The utility model relates to a quick powder spreading device of a 3D printer, which belongs to the technical field of 3D printing, and particularly comprises a powder spreading hopper, wherein one side of the powder spreading hopper is hinged on a hopper bracket, the other side of the powder spreading hopper is connected on the hopper bracket through a lifting mechanism, a left fixing block is arranged at the side part of the powder spreading hopper, a top guide rod and a bottom guide rod are respectively fixed at the top part and the bottom part of the left fixing block, a limiting long hole is arranged on an upper fixing plate and a lower fixing plate, the top guide rod and the bottom guide rod are respectively inserted in the limiting long hole, a limiting nut is fixed at the top part of the top guide rod, a compression spring is arranged between the left fixing block and the upper fixing plate, a supporting plate is arranged at the bottom part of the bottom guide rod, a cam is arranged at the bottom part of the supporting, the utility model discloses simple structure, reasonable in design adopts full automatically regulated structure, and it is convenient to adjust, and is efficient.
Description
Technical Field
The utility model relates to a quick powder paving device of 3D printer belongs to 3D and prints technical field.
Background
The 3D printing (laser sintering rapid prototyping) technology is a high and new technology developed in the 90 s, and integrates new achievements in the fields of modern numerical control technology, CAD/CAM technology, laser technology, material science and the like. The forming process comprises the following steps: (1) establishing a CAD model of a three-dimensional entity in a computer, then carrying out slicing processing by using layered software to obtain information of each processing layer, and converting the information into an electric signal to control a laser scanning system to work; (2) laying a layer of forming powder material on a forming working platform, scanning and sintering the forming powder material by laser beams under the control of a computer according to slice layer information, melting the powder irradiated by the laser beams and bonding the powder together in the subsequent cooling process to finish the processing of a first layer; (3) and spreading powder layer by layer, scanning and sintering layer by layer, and finally manufacturing the three-dimensional solid part. By adopting 3D printing, the physical model or the functional part of a new product can be quickly manufactured for a designer to directly carry out product design verification and performance test, so that design evaluation and modification can be quickly and economically carried out, and the development cycle of the new product is greatly shortened. But the powder paving device unloading that current 3D printing apparatus used is adjusted inconveniently, and it is relatively poor to adjust the precision, all has the hourglass material phenomenon of different degrees simultaneously at the printing in-process, leads to printing the cost increase, and influences the stability of equipment.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem that prior art exists, the utility model provides a simple structure, control is convenient, is difficult for leaking the material, and quick powder paving device of 3D printer that can quick adjustment unloading volume.
For realizing the above-mentioned purpose, the utility model discloses a technical scheme be a 3D printer spreads powder device fast, including spreading the powder hopper and setting up the discharge gate in spreading powder hopper bottom, the both sides of discharge gate are articulated to be installed at ejection of compact regulating plate, ejection of compact regulating plate articulates in the bottom both sides of spreading the powder hopper, and ejection of compact regulating plate and spread and be provided with taut spring between the powder hopper, the lift adjustment groove is installed to ejection of compact regulating plate's bottom, the bottom of lift adjustment groove is provided with unloading regulation passageway, ejection of compact regulating plate cartridge is at unloading regulation passageway respectively, and ejection of compact regulating plate's back supports on unloading regulation passageway, the lateral wall inboard at lift adjustment groove is pasted respectively to ejection of compact regulating plate's both sides and spread the lateral wall of powder hopper, lift drive mechanism is still installed to the both sides of spreading the powder hopper.
Preferably, lifting drive mechanism mainly comprises lifting rack, drive gear and L type cardboard, two L type cardboard is fixed on the lateral wall of shop powder hopper, lifting rack slidable mounting is in L type cardboard, and the bottom is fixed on the lift adjustment tank, drive gear is still installed to one side of lifting rack, drive gear installs on the lateral wall of shop powder hopper through the pivot, drive gear is triangle-shaped with L type cardboard and arranges, drive gear is used for being connected with driving motor.
Preferably, the lifting rack is further provided with a limiting long hole, a limiting column is installed in the limiting long hole, and the limiting column is in threaded connection with the side wall of the powder spreading hopper.
Preferably, the outside of ejection of compact regulating plate is provided with even board under fixed, be fixed with even board on the outer wall of shop powder hopper, even board and fixed even being provided with the fixed orifices on the board under fixed, tension spring's both ends are hung respectively under fixed even board and fixed even fixed downthehole of board.
Preferably, when the discharging adjusting plates are closed, the end faces of the two discharging adjusting plates are completely attached.
Compared with the prior art, the utility model discloses following technological effect has: the utility model has simple structure and convenient use, adopts the discharging adjusting plate arranged at the discharging opening of the powder spreading hopper, and then utilizes the lifting adjusting groove to adjust the distance between the discharging adjusting plates, thereby adjusting the discharging amount and having simple adjustment; meanwhile, the lifting adjusting groove adopts a gear and a rack to adjust the lifting, the adjusting precision is high, and the blanking amount of the metal powder can be accurately adjusted.
In addition, the lateral part of ejection of compact regulating plate, the lateral wall in lift adjustment groove all with the laminating of lift adjustment inslot wall, when ejection of compact regulating plate was closed, the terminal surface of two ejection of compact regulating plates was laminated completely, can form reliable sealed between ejection of compact regulating plate and the lift adjustment inslot wall like this, between ejection of compact regulating plate and the ejection of compact regulating plate, and then avoid appearing leaking the material phenomenon when stopping spreading the powder.
Drawings
Fig. 1 is a schematic structural view of the present invention when the blanking is closed.
Fig. 2 is the structure schematic diagram of the utility model when the blanking is opened.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 and 2, a quick powder paving device of 3D printer, including powder paving hopper 1 and discharge gate 2 of setting in powder paving hopper bottom, the both sides of discharge gate 2 are articulated to be installed at ejection of compact regulating plate 3, ejection of compact regulating plate 3 articulates in the bottom both sides of powder paving hopper 1, and be provided with straining spring 4 between ejection of compact regulating plate 3 and the powder paving hopper 1, lift adjustment groove 5 is installed to ejection of compact regulating plate 3's bottom, lift adjustment groove 5's bottom is provided with unloading regulation passageway 6, ejection of compact regulating plate 3 cartridge is in unloading regulation passageway 6 respectively, and ejection of compact regulating plate 3's back supports on unloading regulation passageway 6, the both sides of ejection of compact regulating plate 3 and the lateral wall of powder paving hopper 1 paste the lateral wall inboard at lift adjustment groove 5 respectively, lift actuating mechanism is still installed to powder paving hopper 1's both sides.
The utility model discloses install ejection of compact regulating plate 3 on the bottom discharge mouth both sides of shop's powder hopper 1, then and at ejection of compact regulating plate 3's bottom installation lift adjustment groove 5, the angle of lift removal adjustment ejection of compact regulating plate 3 through lift adjustment groove 5, and then the interval between adjustment ejection of compact regulating plate 3, with the adjustment load. The tensioning spring can press the discharging adjusting plate 3 on the discharging adjusting channel 6 all the time, and can lift up and down along with the lifting adjusting groove 5, so that the size and the discharging amount of the discharging port can be accurately adjusted. The two sides of the discharging adjusting plate 3 and the side wall of the powder spreading hopper 1 are respectively attached to the inner sides of the side walls of the lifting adjusting groove 5, and when the discharging adjusting plate 3 is closed, the end faces of the two discharging adjusting plates 3 are completely attached. Therefore, reliable sealing can be formed between the discharging adjusting plate 3 and the lifting adjusting groove 5, and further, the phenomenon that the powder is leaked when the powder spreading is stopped is guaranteed.
Wherein, lift actuating mechanism mainly comprises lifting rack 7, drive gear 8 and L type cardboard 9, two L type cardboards 9 are fixed on the lateral wall of shop powder hopper 1, lifting rack 7 slidable mounting is in L type cardboard 9, and the bottom is fixed on lift adjustment tank 5, drive gear 8 is still installed to one side of lifting rack 7, drive gear 8 is installed on the lateral wall of shop powder hopper 1 through the pivot, drive gear 8 is triangle-shaped with L type cardboard 9 and arranges, drive gear 8 is used for being connected with driving motor. The lifting rack 7 is driven by the driving gear 8 to move up and down along the L-shaped clamping plate 9, so that the lifting adjusting groove 5 is controlled to move up and down. The gear rack is used for control, the adjusting precision is high, and the discharging control is accurate. Meanwhile, the driving gear is connected with the driving motor through the worm gear reducer, and therefore accuracy positioning can be achieved. The lifting rack 7 is further provided with a limiting long hole 10, a limiting column 11 is installed in the limiting long hole 10, and the limiting column 11 is in threaded connection with the side wall of the powder spreading hopper 1. The limit long hole 10 can control the lifting movement distance of the lifting rack.
In addition, the fixed lower connecting plate 12 is arranged outside the discharging adjusting plate 3, the fixed upper connecting plate 13 is fixed on the outer wall of the powder spreading hopper 1, the fixed lower connecting plate 12 and the fixed upper connecting plate 13 are both provided with fixing holes 14, and two ends of the tension spring 4 are hung in the fixing holes of the fixed lower connecting plate 12 and the fixed upper connecting plate 13 respectively. Thus, the tensioning spring 4 is convenient to install, and reliable tensioning force can be always improved for the discharging adjusting plate 3.
The foregoing is considered as illustrative and not restrictive of the preferred embodiments of the invention, and any modifications, equivalents and improvements made within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (5)
1. The utility model provides a quick powder paving device of 3D printer, is spreading powder hopper and setting at the discharge gate of spreading powder hopper bottom, its characterized in that including spreading: the articulated installation in ejection of compact regulating plate in the both sides of discharge gate, ejection of compact regulating plate articulates in the bottom both sides of shop's powder hopper, and is provided with taut spring between ejection of compact regulating plate and the shop's powder hopper, the lift adjustment groove is installed to ejection of compact regulating plate's bottom, the bottom of lift adjustment groove is provided with unloading regulating channel, ejection of compact regulating plate cartridge respectively is at unloading regulating channel, and ejection of compact regulating plate's back supports on unloading regulating channel, the lateral wall inboard at the lift adjustment groove is pasted respectively to ejection of compact regulating plate's both sides and shop's powder hopper, lift actuating mechanism is still installed to the both sides of shop's powder hopper.
2. The 3D printer quick powder laying device of claim 1, characterized in that: lifting drive mechanism mainly comprises lifting rack, drive gear and L type cardboard, two L type cardboard is fixed on the lateral wall of shop powder hopper, lifting rack slidable mounting is in L type cardboard, and the bottom is fixed on the lift adjustment tank, drive gear is still installed to one side of lifting rack, drive gear installs on the lateral wall of shop powder hopper through the pivot, drive gear is triangle-shaped with L type cardboard and arranges, drive gear is used for being connected with driving motor.
3. The 3D printer powder fast paving device according to claim 2, characterized in that: the lifting rack is further provided with a limiting long hole, a limiting column is installed in the limiting long hole, and the limiting column is in threaded connection with the side wall of the powder spreading hopper.
4. The 3D printer quick powder laying device of claim 1, characterized in that: the outside of ejection of compact regulating plate is provided with even board under fixed, be fixed with even board on the outer wall of shop's powder hopper, even board and fixed even board all are provided with the fixed orifices down fixed, tension spring's both ends are hung respectively under fixed even board and fixed even fixed downthehole of board.
5. The 3D printer quick powder laying device of claim 1, characterized in that: when the discharging adjusting plates are closed, the end faces of the two discharging adjusting plates are completely attached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921603631.7U CN211416317U (en) | 2020-06-06 | 2020-06-06 | Quick powder paving device of 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921603631.7U CN211416317U (en) | 2020-06-06 | 2020-06-06 | Quick powder paving device of 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211416317U true CN211416317U (en) | 2020-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921603631.7U Active CN211416317U (en) | 2020-06-06 | 2020-06-06 | Quick powder paving device of 3D printer |
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| Country | Link |
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| CN (1) | CN211416317U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114603852A (en) * | 2022-02-10 | 2022-06-10 | 关子君 | 3D prints and spreads powder dustproof facilities |
-
2020
- 2020-06-06 CN CN201921603631.7U patent/CN211416317U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114603852A (en) * | 2022-02-10 | 2022-06-10 | 关子君 | 3D prints and spreads powder dustproof facilities |
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