CN221018684U - Uniform powder discharging device - Google Patents
Uniform powder discharging device Download PDFInfo
- Publication number
- CN221018684U CN221018684U CN202322642094.XU CN202322642094U CN221018684U CN 221018684 U CN221018684 U CN 221018684U CN 202322642094 U CN202322642094 U CN 202322642094U CN 221018684 U CN221018684 U CN 221018684U
- Authority
- CN
- China
- Prior art keywords
- powder
- uniform
- driven
- flat
- powder discharging
- 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.)
- Active
Links
- 239000000843 powder Substances 0.000 title claims abstract description 137
- 238000007599 discharging Methods 0.000 title claims abstract description 33
- 238000007790 scraping Methods 0.000 claims abstract description 11
- 230000001360 synchronised effect Effects 0.000 claims description 15
- 238000000227 grinding Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000010146 3D printing Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 238000007639 printing Methods 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003110 molding sand Substances 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Landscapes
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The utility model belongs to the field of 3D printing equipment, in particular to a uniform powder discharging device which comprises a powder discharging hopper, wherein a flat powder screw rod is arranged in the powder discharging hopper, a powder discharging gate is arranged at the lower end of the powder discharging hopper, two ends of the powder discharging gate are fixedly connected with a rotating shaft through a swinging block, the rotating shaft is arranged below the flat powder screw rod, and a plurality of powder scraping rods are arranged on the rotating shaft. The utility model realizes uniform powder feeding, breaks up powder while feeding, avoids caking phenomenon, can scrape powder surface after feeding, ensures production quality and improves production efficiency.
Description
Technical Field
The utility model belongs to the field of 3D printing equipment, and particularly relates to a uniform powder feeding device.
Background
The 3DP (Three-Dimensional Printing, popular term of binder spraying Binder Jetting) technology is based on digital model files, and uses powdery molding sand, metal, ceramic and other bondable materials to form parts by means of layer-by-layer printing and solidification, so that the technology is one of the main means of additive manufacturing.
At present, a powder discharging mechanism generally uses a trolley to supplement powder to a powder spreading hopper, when a detection switch detects a shortage of the powder, the trolley is moved to a shortage position, powder is discharged at the shortage position, the powder surface is scraped to be flat, and after the powder supplement is finished, the powder returns to an original point position to stand by. The problem that exists is, fixed point powder supply efficiency is lower, and the printing in-process is frequently carried out the powder supply, very influences efficiency to because the segmentation is carried out the powder down, the powder of powder supply department forms mountain heap form easily, leads to the powder face to be uneven, still need strickle.
The utility model patent with the patent name of 'a blanking system of a 3DP printer' and the patent number of '202222051385.7' discloses a blanking system, which has the problems that extrusion exists during spiral conveying, the caking phenomenon of sand or powder is easy to occur, and the caking phenomenon also exists during powder paving, so that the printing quality is influenced.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides a uniform powder discharging device, which realizes uniform powder discharging, breaks up powder while discharging powder and avoids caking phenomenon. The technical problems to be solved by the utility model are realized by the following technical scheme:
The utility model provides a even powder device that goes down, includes down the powder fill, sets up flat powder screw rod in the powder fill down, sets up the powder gate down in the lower extreme of powder fill down, and the both ends of powder gate pass through swing piece and pivot fixed connection down, and the pivot setting is in flat powder screw rod's below, sets up a plurality of powder bars of scraping in the pivot.
Further, the powder scraping rod is U-shaped, and two ends of the U-shaped are fixedly connected with the rotating shaft.
Further, a powder homogenizing scraper is arranged on one side of the powder discharging hopper and driven by an air cylinder.
Specifically, a synchronous belt is arranged above the powder homogenizing scraping plate and is arranged around a driving wheel and a driven wheel, and the driving wheel is driven by a first gear motor.
Specifically, the cylinder is fixedly connected with the mounting plate, the mounting plate is fixedly connected with the belt buckle, and the belt buckle is in locking connection with the synchronous belt.
Specifically, a tug is arranged on the mounting plate and is arranged on the inner side of the synchronous belt, and the tug, the driving wheel and the driven wheel are positioned on the same horizontal plane.
Preferably, the two ends of the flat powder screw rod are fixedly connected with the powder hopper through the mounting seat, the two ends of the flat powder screw rod are connected with the mounting seat through bearings, and the flat powder screw rod is driven by the second gear motor.
Preferably, a seal is provided within the mount.
Preferably, the shaft is driven by a servo motor.
Preferably, a hatch cover is arranged at the upper end of the powder hopper.
The utility model realizes uniform powder feeding, breaks up powder while feeding, avoids caking phenomenon, can scrape powder surface after feeding, ensures production quality and improves production efficiency.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a cross-sectional view of FIG. 1;
FIG. 4 is a schematic structural view of a rotating shaft;
fig. 5 is a schematic diagram of connection between the timing belt and the first gear motor;
Fig. 6 is a use state diagram of the present utility model.
Detailed Description
FIG. 1 is a schematic diagram of the structure of the present utility model; FIG. 2 is a side view of FIG. 1; fig. 3 is a cross-sectional view of fig. 1. As shown in fig. 1 to 3, a uniform powder discharging device comprises a powder discharging hopper 1, a flat powder screw rod 2 is arranged in the powder discharging hopper 1, a powder discharging gate 3 is arranged at the lower end of the powder discharging hopper 1, two ends of the powder discharging gate 3 are fixedly connected with a rotating shaft 5 through a swinging block 4, the rotating shaft 5 is arranged below the flat powder screw rod 2, and a plurality of powder scraping rods 5.1 are arranged on the rotating shaft 5.
Fig. 4 is a schematic structural diagram of a rotating shaft, as shown in fig. 4, a powder scraping rod 5.1 is in a U shape, two ends of the U shape are fixedly connected with the rotating shaft 5, the powder scraping rods 5.1 of the embodiment are distributed on the rotating shaft 5 at intervals, and the powder scraping rod 5.1 has the function of scattering powder in the powder discharging hopper 1 along with the rotation of the rotating shaft 5 when the powder discharging gate 3 is opened or closed, and scrapes off the powder adhered to the inner wall of the powder discharging hopper 1.
The rotating shaft 5 is driven by the servo motor 6, two ends of the powder discharging gate 3 are fixedly connected with the swinging blocks 4, when the servo motor 6 drives the rotating shaft 5 to rotate, the swinging blocks 4 are driven to swing outwards, the powder discharging gate 3 is opened, powder in the powder discharging hopper 1 falls into a powder paving device below at one time, and meanwhile, the powder scraping rod 5.1 breaks up the fallen powder, so that the powder uniformly falls into the powder paving device; the length of the powder hopper 1 is equal to that of the powder paving device, so that fixed-point powder supplementing is not needed, and the opening and closing angle of the powder discharging gate 3 can be adjusted through the servo motor 6.
Fig. 5 is a schematic diagram of connection between the synchronous belt and the first gear motor, as shown in fig. 5, a powder homogenizing scraper 7 is arranged at one side of the lower powder hopper 1, the powder homogenizing scraper 7 is driven by a cylinder 7.1, a synchronous belt 8 is arranged above the powder homogenizing scraper 7, the synchronous belt 8 is arranged around a driving wheel 9 and a driven wheel 10, the driving wheel 9 is driven by the first gear motor 12, and the synchronous belt in the embodiment is open; the cylinder 7.1 is fixedly connected with the mounting plate 7.2, the mounting plate 7.2 is fixedly connected with the belt buckle 11, the belt buckle 11 is in locking connection with the synchronous belt 8, a tug 13 is arranged on one side of the mounting plate 7.2, the tug 13 is arranged on the inner side of the synchronous belt 8, the tug 13, the driving wheel 9 and the driven wheel 10 are positioned on the same horizontal plane, the tug 13 is used for supporting the running synchronous belt 8 to prevent the synchronous belt 8 from sagging, and a plurality of tugs can be arranged according to actual needs.
Fig. 6 is a use state diagram of the utility model, as shown in fig. 6, when the lower powder surface of the powder paving device 20 is uneven, the powder paving device 20 is only required to be moved to one side to move right below the powder homogenizing scraper 7, the air cylinder 7.1 drives the powder homogenizing scraper 7 to move downwards to reach the powder surface of the powder paving device 20, the first reducing motor 12 drives the driving wheel 9 so as to drive the synchronous belt 8 to move, the synchronous belt 8 drives the powder homogenizing scraper 7 to move back and forth along the length direction of the lower powder hopper 1, the powder surface of the powder paving device 20 is scraped, so that the uniformity of the powder surface in the powder paving device 20 is ensured, then the air cylinder 7.1 drives the powder homogenizing scraper 7 to return, and the powder paving device 20 can perform powder paving operation.
The two ends of the flat powder screw rod 2 are fixedly connected with the lower powder hopper 1 through the mounting seat 14, the two ends of the flat powder screw rod 2 are connected with the mounting seat 14 through the bearings 15, the flat powder screw rod 2 is driven by the second gear motor 16, a sealing element is arranged in the mounting seat 14, the upper end of the lower powder hopper 1 is provided with the hatch cover 17, the maintenance is convenient, and the powder adding port 18 is arranged on one side of the hatch cover 17.
In a word, the utility model realizes uniform powder feeding, breaks up powder while feeding, avoids caking phenomenon, can scrape powder surface after feeding, ensures production quality and improves production efficiency.
Claims (10)
1. The utility model provides a even powder discharging device, includes down the powder fill, characterized by set up flat powder screw rod in the powder fill down the lower extreme of powder fill sets up down the powder gate down, the both ends of powder gate pass through swing piece and pivot fixed connection down, the pivot sets up flat powder screw rod's below set up a plurality of powder bars of scraping in the pivot.
2. The uniform powder discharging device according to claim 1, wherein the powder scraping rod is U-shaped, and two ends of the U-shaped are fixedly connected with the rotating shaft.
3. The uniform powder discharging device according to claim 1, wherein a powder homogenizing scraper is arranged on one side of the powder discharging hopper, and the powder homogenizing scraper is driven by an air cylinder.
4. The uniform powder discharging device according to claim 3, wherein a synchronous belt is arranged above the powder homogenizing scraper, the synchronous belt is arranged around a driving wheel and a driven wheel, and the driving wheel is driven by a first gear motor.
5. The uniform powdering device of claim 3, wherein the cylinder is fixedly connected to a mounting plate, the mounting plate is fixedly connected to a belt buckle, and the belt buckle is lockingly connected to a timing belt.
6. The uniform breading device of claim 5 wherein a tug is provided on the mounting plate, the tug being provided inside a timing belt, the tug being on the same horizontal plane as the drive wheel and the driven wheel.
7. The uniform powder discharging device according to claim 1, wherein two ends of the flat powder screw are fixedly connected with the powder discharging hopper through mounting seats, two ends of the flat powder screw are connected with the mounting seats through bearings, and the flat powder screw is driven by a second speed reducing motor.
8. The uniform breading unit of claim 7 wherein a seal is disposed within said mounting base.
9. The uniform breading unit of claim 1 or 2 wherein the shaft is driven by a servo motor.
10. The uniform breading unit of claim 1 wherein a hatch is provided at the upper end of said breading hopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322642094.XU CN221018684U (en) | 2023-09-27 | 2023-09-27 | Uniform powder discharging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322642094.XU CN221018684U (en) | 2023-09-27 | 2023-09-27 | Uniform powder discharging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221018684U true CN221018684U (en) | 2024-05-28 |
Family
ID=91173439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322642094.XU Active CN221018684U (en) | 2023-09-27 | 2023-09-27 | Uniform powder discharging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221018684U (en) |
-
2023
- 2023-09-27 CN CN202322642094.XU patent/CN221018684U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105666640A (en) | Printer nozzle, 3D printer and forming method | |
| CN107336343B (en) | Automatic material cloth integrated device that changes of concrete | |
| CN1120794C (en) | Automatic powder feeding system for quickly shaping | |
| CN212097268U (en) | Injection molding feeding device capable of preventing blockage | |
| CN111633785A (en) | Automatic weighing and distributing system for refractory bricks | |
| CN109397512A (en) | A kind of quartz slate production line | |
| CN113752409B (en) | Plastic master batch forming machine | |
| CN110421118B (en) | Automatic sand recycling system | |
| CN221018684U (en) | Uniform powder discharging device | |
| CN109435060B (en) | Tool for brick making | |
| CN213256946U (en) | Sand device under 3D printer vibration | |
| CN213440532U (en) | Screw and open mill composite preparation device | |
| CN210061795U (en) | Injection molding machine loading attachment | |
| CN209288207U (en) | A kind of automatic sand feeding device on Lost Form Casting Production Line | |
| CN209552069U (en) | A kind of quartz slate production line | |
| CN213198133U (en) | Automatic weighing and distributing device for refractory bricks | |
| CN215039722U (en) | Injection molding machine feed mechanism is used in cosmetic brush production | |
| CN212421854U (en) | Rubber powder preparation rubber asphalt's apparatus for producing | |
| CN115179548A (en) | Additive manufacturing dynamic powder laying system | |
| CN107117402B (en) | raw material storing and taking system | |
| CN204566641U (en) | A kind of extruder device with revolving sleeve | |
| CN117644575B (en) | Building engineering concrete forming device | |
| CN217372853U (en) | Automatic forming system of L type flue | |
| CN110978205A (en) | Ceramic laser 3D prints and uses waste recovery device | |
| CN220763330U (en) | Injection molding storage device for injection molding machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |