CN216502364U - Last powder feeding system of selectivity laser melting equipment - Google Patents
Last powder feeding system of selectivity laser melting equipment Download PDFInfo
- Publication number
- CN216502364U CN216502364U CN202123105498.2U CN202123105498U CN216502364U CN 216502364 U CN216502364 U CN 216502364U CN 202123105498 U CN202123105498 U CN 202123105498U CN 216502364 U CN216502364 U CN 216502364U
- Authority
- CN
- China
- Prior art keywords
- powder
- powder feeding
- dropping pipe
- laser melting
- feeding system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000843 powder Substances 0.000 title claims abstract description 239
- 238000002844 melting Methods 0.000 title claims abstract description 21
- 230000008018 melting Effects 0.000 title claims abstract description 21
- 238000003860 storage Methods 0.000 claims abstract description 20
- 238000004891 communication Methods 0.000 claims abstract description 11
- 238000003892 spreading Methods 0.000 claims description 16
- 230000007480 spreading Effects 0.000 claims description 16
- 238000007790 scraping Methods 0.000 claims description 7
- 239000002184 metal Substances 0.000 abstract description 15
- 239000000956 alloy Substances 0.000 abstract description 12
- 229910045601 alloy Inorganic materials 0.000 abstract description 6
- 230000000704 physical effect Effects 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000007648 laser printing Methods 0.000 abstract 1
- 238000007639 printing Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010146 3D printing Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000003872 feeding technique Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
Images
Landscapes
- Powder Metallurgy (AREA)
Abstract
The utility model provides a powder feeding system of selective laser melting equipment, which comprises: at least two powder storage tanks, the lower extreme that stores up the powder storage tank is provided with send the powder fill, send the lower extreme of powder fill to be provided with the switch passageway, from last manual butterfly valve and the pneumatic butterfly valve of having set gradually under to on the switch passageway, pneumatic butterfly valve and control module communication connection, the lower extreme of switch passageway is provided with the powder pipe that falls. The upper powder feeding system of the selective laser melting equipment improves the original single-channel powder feeding technology into the multi-channel powder feeding technology, can realize that various different metal powder or various alloy powder are respectively fused in different layers through high-power laser printing to form an alloy with different physical properties, has the function of developing novel alloy materials, and has very important practical significance for developing novel alloy materials with special physical properties in the future.
Description
Technical Field
The utility model relates to the field of powder feeding systems, in particular to a powder feeding system of selective laser melting equipment.
Background
Selective laser melting technology is one of the main technological approaches in the additive manufacturing of metallic materials. The technology selects laser as an energy source, scans layer by layer on a metal powder bed layer according to a planned path in a three-dimensional CAD slicing model, achieves the effect of metallurgical bonding by melting and solidifying the scanned metal powder, and finally obtains the metal part designed by the model. At present, the selective laser melting equipment still stays in a single powder feeding channel, only 3D printing processing of a single material can be carried out, and 3D printing processing of mixed gradients of multiple materials cannot be realized.
The utility model aims to design an upper powder feeding system of selective laser melting equipment aiming at the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides an upper powder feeding system of selective laser melting equipment, which can effectively solve the problems in the prior art.
The technical scheme of the utility model is as follows:
a powder feeding system of a selective laser melting apparatus, comprising:
at least two store up the powder jar, the lower extreme that stores up the powder jar is provided with send the powder fill, the lower extreme that send the powder fill is provided with the switch passageway, from last manual butterfly valve and the pneumatic butterfly valve of having set gradually under to on the switch passageway, pneumatic butterfly valve and control module communication connection, the lower extreme of switch passageway is provided with the powder pipe that falls.
Further, still include the powder feeding casing, the storage powder jar runs through the upper end surface of powder feeding casing and stretches into in the powder feeding casing, powder feeding hopper, switch passageway, manual butterfly valve and pneumatic butterfly valve are located inside the powder feeding casing, the lower extreme of powder falling pipe runs through the lower extreme surface of powder feeding casing, just the lower extreme opening of powder falling pipe is located the powder plane's of spreading top of 3D printer.
Further, store up the powder jar and specifically including the first powder jar and the second powder jar that store up that set up side by side, the powder falling pipe specifically including set up in first powder falling pipe of first powder jar below that stores up and set up in the second powder falling pipe of second powder jar below that stores up, the second powder falling pipe is towards keeping away from the direction slope of first powder jar that stores up, the central axis of the lower extreme of first powder falling pipe with the central axis of the lower extreme of second powder falling pipe is parallel to each other, just the lower extreme opening of first powder falling pipe with the lower extreme opening of second powder falling pipe all is on a parallel with the direction of motion of the shop's powder device of 3D printer.
Further, the upper end of the second powder falling pipe is communicated with the switch channel pipeline through a first 45-degree elbow, and the lower end of the second powder falling pipe is turned to and arranged above a powder laying plane of the 3D printer through a second 45-degree elbow.
Further, a supporting plate is fixedly arranged between the first 45-degree elbow and the powder feeding shell.
Further, the powder feeding shell is movably arranged in the powder paving device, the powder paving device is in communication connection with the control module, and the control module controls the powder paving device to drive the upper powder feeding system to reciprocate along the powder paving direction.
Furthermore, a pair of powder scraping plates is symmetrically arranged on the lower end surface of the powder feeding shell, and the lower end opening of the powder falling pipe is positioned between the two powder scraping plates.
Accordingly, the present invention provides the following effects and/or advantages:
the upper powder feeding system of the selective laser melting equipment comprises at least two powder storage tanks, wherein the lower ends of the powder storage tanks are provided with powder feeding hoppers, the lower ends of the powder feeding hoppers are provided with switch channels, manual butterfly valves and pneumatic butterfly valves are sequentially arranged on the switch channels from top to bottom, the pneumatic butterfly valves are in communication connection with a control module, and the lower ends of the switch channels are provided with powder falling pipes. With original single channel powder feeding technical improvement for multichannel powder feeding technique, can carry out the powder printing that falls through a plurality of powder feeding passageways with multiple metal powder, and send the powder process through electric program control, make multiple metal powder can not mix on the workstation, thereby realize that multiple different metal powder or multiple alloy powder are printed the fusion and form an alloy that has different physical properties through high power laser respectively in different layers, the effect that has the novel alloy material of development has, it has very important practical meaning to develop the novel alloy material that has special physical properties in the future.
It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory and are intended to provide further explanation of the utility model as claimed.
Drawings
Fig. 1 is a front view of a powder feeding system of a selective laser melting apparatus according to the present invention.
Fig. 2 is a rear view schematic diagram of a powder feeding system of the selective laser melting apparatus provided in the present invention.
Detailed Description
To facilitate understanding of those skilled in the art, the structure of the present invention will now be described in further detail by way of examples in conjunction with the accompanying drawings:
referring to fig. 1-2, a powder feeding system of a selective laser melting apparatus includes:
at least two store up the powder jar, the lower extreme that stores up powder jar 1 is provided with send powder fill 2, the lower extreme that send powder fill 2 is provided with the switch passageway, from last manual butterfly valve 3 and the pneumatic butterfly valve 4 of having set gradually under to on the switch passageway, pneumatic butterfly valve 4 and control module communication connection, the lower extreme of switch passageway is provided with the powder falling pipe. The control module comprises a laser control unit and a plurality of switch control units corresponding to the powder storage tanks 1 in number, the switch control units correspond to the pneumatic butterfly valves 4 one by one and are in communication connection with the corresponding pneumatic butterfly valves 4, and the switch control units control the corresponding pneumatic butterfly valves 4 to be opened and closed according to printing parameters set in upper computer software; the laser control unit is in communication connection with a laser scanning and printing device of the 3D printer, and controls laser scanning and printing of metal powder to complete additive manufacturing of the mixed material after each layer of material is laid; the opening and closing of the pneumatic butterfly valve 4 are controlled through the interval, so that the interval powder falling of various metal powders is controlled, and laser scanning printing is performed after the powder spreading of each metal powder is finished, so that different metal powders cannot be mixed on the powder spreading plane of the 3D printer.
Further, still include powder feeding shell 6, storage powder jar 1 runs through powder feeding shell 6's upper end surface and stretch into in the powder feeding shell 6, powder feeding hopper 2, switch passageway, manual butterfly valve 3 and pneumatic butterfly valve 4 are located inside powder feeding shell 6, the lower extreme of powder falling pipe 5 runs through powder feeding shell 6's lower extreme surface, just the lower extreme opening of powder falling pipe 5 is located the powder plane's of spreading top of 3D printer.
Further, the powder storage tank 1 specifically comprises a first powder storage tank 11 and a second powder storage tank 12 which are arranged in parallel, the powder dropping pipe 5 specifically comprises a first powder dropping pipe 51 arranged below the first powder storage tank 11 and a second powder dropping pipe 52 arranged below the second powder storage tank 12, the second powder dropping pipe 52 inclines towards the direction far away from the first powder storage tank 11, the central axis of the lower end of the first powder dropping pipe 51 is parallel to the central axis of the lower end of the second powder dropping pipe 52, and the lower end opening of the first powder dropping pipe 51 and the lower end opening of the second powder dropping pipe 52 are all parallel to the movement direction of the powder laying device of the 3D printer. In the powder falling process, due to the movement of the powder spreading device, the powder material has a certain amount of flying powder, the distance between the lower end opening of the first powder falling pipe 51 and the lower end opening of the second powder falling pipe 52 is increased, and the mutual influence of the flying powder between the two powder falling pipes is avoided.
Further, the upper end of the second powder dropping pipe 52 is communicated with the switching channel pipeline through a first 45-degree elbow 521, and the lower end of the second powder dropping pipe 52 is turned and arranged above the powder laying plane of the 3D printer through a second 45-degree elbow 522. The first 45-degree elbow 521 and the second 45-degree elbow 522 enable the upper part of the second powder falling pipe 52 to be obliquely arranged, the structure increases the distance between the first powder falling pipe 51 and the second powder falling pipe 52, meanwhile, the powder in the second powder falling pipe 52 can be smoothly fallen, and the 45-degree elbow can also prevent the powder in the pipe from being accumulated at the elbow.
Further, a supporting plate 61 is fixedly arranged between the first 45 ° elbow 521 and the powder feeding housing 6. The structural stability of the second powder falling pipe 52 is enhanced.
Further, the powder feeding shell 6 is movably arranged in the powder paving device, the powder paving device is in communication connection with the control module, and the control module controls the powder paving device to drive the upper powder feeding system to reciprocate along the powder paving direction. Control module still including spreading powder the control unit, spread powder the control unit with spread powder device communication connection, spread powder the control unit and be used for at the powder in-process that falls, control spread powder device and then control go up send powder system along spreading powder direction reciprocating motion, can make metal powder more even distribution be in spread on the powder plane.
Further, a pair of powder scraping plates 62 is symmetrically arranged on the lower end surface of the powder feeding shell 6, and the lower end opening of the powder dropping pipe 5 is located between the two powder scraping plates 62. Go up powder feeding system along shop powder direction reciprocating motion in-process, two scrape powder board 62 and strickle the powder of spreading reciprocally, make the powder of spreading distribute more evenly on the shop's powder plane of 3D printer.
The working principle is as follows:
install the inside to the 3D printer with sending powder casing 6, open the top cap of storing up powder jar upper end and add required powder toward the jar body that corresponds, open manual butterfly valve 3, select specific number of piles and printing order of printing in host computer software, the powder volume that falls that every powder passageway that falls and each layer were printed is controlled to the switch that passes through control module automatic control pneumatic butterfly valve 4 by host computer software after the beginning printing, automatic control goes up the powder system again and follows the reciprocating motion of shop's powder direction at the powder in-process that falls, two powder scraping plates 62 of sending powder casing 6 lower extreme are strickleed the powder of spreading to reciprocating, control laser scanning printing device carries out laser scanning and prints to the powder of spreading after each layer of shop's powder at last, thereby realize metal material's vibration material disk. With original single channel powder feeding technical improvement for multichannel powder feeding technique, can carry out the powder printing that falls through a plurality of powder feeding passageways with multiple metal powder material, and send the powder process through electric program control, make multiple metal powder can not mix on the workstation, thereby realize that multiple different metal powder or multiple alloy powder print the fusion and form an alloy that has different physical properties through high power laser respectively in different layers, the effect that has the novel alloy material of development has, it has very important practical meaning to develop the novel alloy material that has special physical properties in the future.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A powder feeding system of a selective laser melting apparatus, comprising:
at least two store up the powder jar, the lower extreme that stores up the powder jar is provided with send the powder fill, the lower extreme that send the powder fill is provided with the switch passageway, from last manual butterfly valve and the pneumatic butterfly valve of having set gradually under to on the switch passageway, pneumatic butterfly valve and control module communication connection, the lower extreme of switch passageway is provided with the powder pipe that falls.
2. The upper powder feeding system of selective laser melting equipment according to claim 1, further comprising a powder feeding housing, wherein the powder storage tank penetrates through an upper end surface of the powder feeding housing and extends into the powder feeding housing, the powder feeding hopper, the opening and closing passage, the manual butterfly valve and the pneumatic butterfly valve are located inside the powder feeding housing, the lower end of the powder dropping pipe penetrates through a lower end surface of the powder feeding housing, and a lower end opening of the powder dropping pipe is located above a powder laying plane of a 3D printer.
3. The powder feeding system of claim 2, wherein the powder storage tank comprises a first powder storage tank and a second powder storage tank arranged in parallel, the powder dropping pipe comprises a first powder dropping pipe arranged below the first powder storage tank and a second powder dropping pipe arranged below the second powder storage tank, the second powder dropping pipe is inclined in a direction away from the first powder storage tank, a central axis of a lower end of the first powder dropping pipe is parallel to a central axis of a lower end of the second powder dropping pipe, and a lower end opening of the first powder dropping pipe and a lower end opening of the second powder dropping pipe are parallel to a moving direction of a powder laying device of the 3D printer.
4. The powder feeding system of a selective laser melting apparatus as claimed in claim 3, wherein the upper end of the second powder dropping pipe is connected to the switching passage pipe through a first 45 ° bend, and the lower end of the second powder dropping pipe is turned and disposed above the powder spreading plane of the 3D printer through a second 45 ° bend.
5. The upper powder feed system of a selective laser melting apparatus of claim 4, wherein a support plate is fixedly disposed between the first 45 ° bend and the powder feed housing.
6. The upper powder feeding system of selective laser melting equipment as claimed in claim 2, wherein the powder feeding housing is movably disposed in the powder spreading device, the powder spreading device is in communication with the control module, and the control module controls the powder spreading device to drive the upper powder feeding system to reciprocate along the powder spreading direction.
7. The upper powder feeding system of a selective laser melting apparatus as claimed in claim 2, wherein a pair of powder scraping plates are symmetrically disposed on the lower end surface of said powder feeding housing, and the lower end opening of said powder dropping pipe is located between said two powder scraping plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123105498.2U CN216502364U (en) | 2021-12-10 | 2021-12-10 | Last powder feeding system of selectivity laser melting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123105498.2U CN216502364U (en) | 2021-12-10 | 2021-12-10 | Last powder feeding system of selectivity laser melting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216502364U true CN216502364U (en) | 2022-05-13 |
Family
ID=81468725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123105498.2U Expired - Fee Related CN216502364U (en) | 2021-12-10 | 2021-12-10 | Last powder feeding system of selectivity laser melting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216502364U (en) |
-
2021
- 2021-12-10 CN CN202123105498.2U patent/CN216502364U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106378450B (en) | One kind being suitable for multiple material selective laser and melts increasing material manufacturing apparatus and method for | |
| CN109663919B (en) | Multi-material part 3D printer and printing method thereof | |
| CN206392864U (en) | A kind of double-pole two-way powder laying device for selective laser melting unit | |
| CN102514950B (en) | Movable-arm-type powder bed powder spreading device | |
| CN110039054B (en) | Additive material high-throughput forming device and forming method | |
| CN104827664B (en) | A kind of 3D printer | |
| CN202379483U (en) | Movable arm type powder paving device for powder bed | |
| CN203843168U (en) | Equipment for high-energy-beam additive manufacturing large-size metal parts | |
| CN104001915A (en) | Equipment for manufacturing large-size metal part in high energy beam additive manufacturing mode and control method of equipment | |
| CN103738747A (en) | Movable hopper type powder bed powder laying device and method | |
| CN206732131U (en) | A kind of adjustable area formula SLS power spreading devices | |
| CN103056648A (en) | Automatic feeding device for keyboard automation assembly robot | |
| CN208853710U (en) | A kind of more material molding machines based on metal 3D printing | |
| CN216502364U (en) | Last powder feeding system of selectivity laser melting equipment | |
| CN110605394A (en) | A two powder mix print system for 3D prints | |
| CN107824788A (en) | A kind of power spreading device of 3D printing | |
| CN112517923A (en) | Device and method for realizing multi-material additive manufacturing and forming based on SLM (Selective laser melting) equipment | |
| CN105772720A (en) | Gradient 3D laying method of powder materials and adopted laying device | |
| CN105710372A (en) | Powder leakage device and powder supply device for selective laser sintering single side powder supply | |
| CN202539568U (en) | Powder spreading device for rapid forming | |
| CN204672957U (en) | The work box of 3D printing device | |
| CN207346140U (en) | A kind of mountain flour feeding device | |
| CN203091911U (en) | Automatic feeding device for soldering machine | |
| CN214443086U (en) | Multilayer parallel 3D printing device | |
| CN113290849A (en) | Additive manufacturing method for powder-laying type line printing forming |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220513 |