CN220259554U - Powder pressing device for laser 3D printer - Google Patents
Powder pressing device for laser 3D printer Download PDFInfo
- Publication number
- CN220259554U CN220259554U CN202321432879.8U CN202321432879U CN220259554U CN 220259554 U CN220259554 U CN 220259554U CN 202321432879 U CN202321432879 U CN 202321432879U CN 220259554 U CN220259554 U CN 220259554U
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- CN
- China
- Prior art keywords
- powder
- laser
- screw
- printer
- support frame
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- 239000000843 powder Substances 0.000 title claims abstract description 64
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 239000002184 metal Substances 0.000 abstract description 8
- 239000002245 particle Substances 0.000 description 5
- 238000007790 scraping Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000010146 3D printing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
The utility model relates to a powder pressing device for a laser 3D printer, which comprises a supporting plate and a mounting frame arranged above the supporting plate, wherein a containing hole is formed in the mounting frame, a placing plate is arranged at the containing hole, a vertical moving mechanism is arranged between the placing plate and the supporting plate, a supporting frame is arranged at the top of the mounting frame, two connecting parts are arranged on the supporting frame, a pressing roller is arranged between the two connecting parts, two groups of screw mechanisms are further arranged at the top of the mounting frame, and the two groups of screw mechanisms can drive the pressing roller to move in the horizontal direction, so that metal powder can be pressed uniformly and tightly.
Description
Technical Field
The utility model belongs to the technical field of 3D printing, and particularly relates to a powder pressing device for a laser 3D printer.
Background
Metal laser 3D printing is a technology of fusing powder particles together point by using laser, processing layer by layer until the object is completed, and scraping powder is needed before fusing and sintering the powder particles by using laser, so that the powder particles become uniform and compact, and the subsequent operation is convenient. However, the powder scraping device in the existing laser 3D printer is complex in structure, and powder particles are not uniform after scraping. Accordingly, there are still shortcomings and drawbacks in the prior art.
Disclosure of Invention
The utility model aims to provide a powder pressing device for a laser 3D printer, which aims to solve the problems that a powder scraping device in the existing laser 3D printer is complex in structure and powder particles are not uniform after powder scraping.
In order to solve the problems, the utility model adopts the following technical scheme:
the utility model provides a laser 3D is powder pressing device for printer, be in including backup pad and setting the mounting bracket of backup pad top, be provided with the holding hole on the mounting bracket, holding hole department is provided with places the board, be provided with vertical moving mechanism between placing board and the backup pad, the top of mounting bracket is provided with the support frame, be provided with two connecting portions on the support frame, be provided with the compression roller between two connecting portions, the top of mounting bracket still is provided with two sets of screw mechanisms, two sets of screw mechanisms can drive the compression roller removes in the horizontal direction.
Further, the support frame comprises a horizontal section and two vertical sections, and the two connecting parts are arranged on the horizontal section at intervals.
Further, one end of the connecting portion is fixed on the horizontal section through a bolt, a fixing rod is arranged between the other ends of the two connecting portions, and the pressing roller is sleeved on the fixing rod.
Further, the screw mechanism comprises a motor, a screw, nut blocks and two installation seats arranged at intervals, the installation seats are fixed at the top of the installation frame, the screw is rotationally connected between the two installation seats, the nut blocks are in threaded connection with the screw, the nut blocks are fixedly connected with the support frame, and the motor is connected with one end of the screw.
Further, the screw mechanism further comprises a guide assembly, the guide assembly comprises two guide rods which are arranged in parallel, two ends of each guide rod are fixedly connected with two mounting seats respectively, and the support frame is in sliding connection with the guide rods.
Further, a powder supply mechanism is arranged on the horizontal section of the support frame and comprises a connecting piece and a powder supply box.
Further, one side of the connecting piece is fixedly connected with the horizontal section of the support frame, and the other side of the connecting piece is fixedly connected with the powder supply box.
Further, the top of the powder supply box is opened, and the bottom of the powder supply box is provided with a powder outlet.
By adopting the technical scheme, the utility model has the beneficial effects that:
the powder pressing device for the laser 3D printer comprises a supporting plate and a mounting frame arranged above the supporting plate, wherein a containing hole is formed in the mounting frame, a placing plate is arranged at the containing hole, a vertical moving mechanism is arranged between the placing plate and the supporting plate, a supporting frame is arranged at the top of the mounting frame, two connecting parts are arranged on the supporting frame, a pressing roller is arranged between the two connecting parts, two groups of screw mechanisms are further arranged at the top of the mounting frame, and the two groups of screw mechanisms can drive the pressing roller to move in the horizontal direction, so that metal powder can be pressed uniformly and tightly.
Drawings
Fig. 1 is a perspective view of a laser 3D printer powder pressing device according to the present utility model.
Fig. 2 is a perspective view of the powder compacting apparatus of fig. 1 from another perspective.
Reference numerals: 10. a support plate; 11. a support rod; 12. placing a plate; 13. a vertical movement mechanism; 20. a mounting frame; 21. an accommodation hole; 22. a support frame; 221. a horizontal section; 222. a vertical section; 23. a connection part; 24. a fixed rod; 25. a press roller; 26. a screw mechanism; 261. a motor; 262. a screw rod; 263. a nut block; 264. a mounting base; 265. a guide assembly; 2651. a guide rod; 27. a powder supply mechanism; 271. a connecting piece; 272. and a powder supply box.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram illustrating the basic of the utility model only by way of illustration, and therefore shows only the constitution related to the utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 and 2, the utility model provides a powder pressing device for a laser 3D printer, which comprises a support plate 10, wherein a mounting frame 20 is arranged above the support plate 10, a support rod 11 is arranged between the mounting frame 20 and the support plate 10, two ends of the support rod 11 are respectively and fixedly connected with the mounting frame 20 and the support plate 10, specifically, the number of the support rods 11 is four, and the four support rods 11 are distributed at four corners of the bottom of the mounting frame 20. The mounting frame 20 is provided with a containing hole 21, a placing plate 12 is arranged above the supporting plate 10, the placing plate 12 is the same as the containing hole 21 in size and shape, and the placing plate 12 is arranged at the containing hole 21. A vertical moving mechanism 13 is arranged between the placing plate 12 and the supporting plate 10, and the vertical moving mechanism 13 can drive the placing plate 12 to move in the vertical direction. Specifically, in the present embodiment, the vertical movement mechanism 13 employs an electric push rod, one end of which is fixedly connected with the support plate 10, and the other end of which is fixedly connected with the placement plate 12.
As shown in fig. 1 and 2, a supporting frame 22 is disposed at the top of the mounting frame 20, the supporting frame 22 is approximately in an inverted "U" shape, the supporting frame 22 includes a horizontal section 221 and two vertical sections 222, two connection portions 23 are disposed on the horizontal section 221 at intervals, one end of each connection portion 23 is fixed on the horizontal section 221 by a bolt, a fixing rod 24 is disposed between the other ends of the two connection portions 23, and a pressing roller 25 is sleeved on the fixing rod 24. The vertical section 222 of the support frame 22 is provided with a nut block 263, the top of the support frame 20 is provided with two groups of screw mechanisms 26, each group of screw mechanisms 26 comprises a motor 261, a screw rod 262, the nut block 263 and two mounting seats 264 which are arranged at intervals, the mounting seats 264 are fixedly connected to the top of the support frame 20, the screw rod 262 is rotationally connected between the two mounting seats 264, the nut block 263 is in threaded connection with the screw rod 262, the nut block 263 is fixedly connected with the vertical section 222 of the support frame 22, and the motor 261 is connected with one end of the screw rod 262.
In some embodiments, as shown in fig. 1 and 2, each set of screw mechanisms 26 further includes a guide assembly 265, the guide assembly 265 includes two guide rods 2651, the two guide rods 2651 are disposed in parallel, two ends of the guide rods 2651 are fixedly connected with the two mounting seats 264 respectively, the support frame 22 is slidably connected with the guide rods 2651, and the support frame 22 can move along the guide rods 2651.
As shown in fig. 1 and 2, the horizontal section 221 of the support frame 22 is provided with a powder feeding mechanism 27, the powder feeding mechanism 27 includes a connecting member 271 and a powder feeding box 272, in this embodiment, the connecting member 271 is an "L" shaped plate, one side of the connecting member 271 is fixedly connected with the horizontal section 221 of the support frame 22, the other side of the connecting member 271 is fixedly connected with the powder feeding box 272, the top of the powder feeding box 272 is provided with an opening, and the bottom of the powder feeding box 272 is provided with a powder outlet (not shown). Specifically, the connecting piece 271 is connected with the horizontal section 221 of the support frame 22 through bolts, and the connecting piece 271 is also connected with the powder feeding box 272 through bolts, so that the powder feeding box is convenient to assemble and disassemble.
The application method of the powder pressing device for the laser 3D printer comprises the following steps: firstly, metal powder is added into the powder supply box 272 through an opening at the top of the powder supply box 272, and the metal powder in the powder supply box 272 falls into an area formed by the placing plate 12 and the accommodating hole 21 through a powder outlet at the bottom of the powder supply box 272. Secondly, two motors 261 are synchronously started, the two motors 261 respectively drive the two lead screws 262 to synchronously rotate, the two lead screws 262 rotate to drive the nut blocks 263 on the lead screws 262 to move along the axis direction of the lead screws 262 in the horizontal direction, and the two nut blocks 263 are respectively fixed on two sides of the support frame 22, so that the support frame 22 can move in the horizontal direction, and the guide rod 2651 can play a guide role. Along with the movement of the support frame 22, the support frame 22 can drive the press roller 25 to move, and the press roller 25 can roll extrusion on the metal powder in the accommodating hole 21, so that the metal powder in the accommodating hole 21 is pressed more uniformly and tightly, the subsequent use of laser for sintering is facilitated, the more uniform and tight the metal powder is, and the better the quality of a product finished by laser 3D printing is.
In the description of the present utility model, it should be noted that, unless the terms "mounted," "connected," and "connected" are to be construed broadly, for example, they may be fixedly connected, or they may be detachably connected or integrally connected, or they may be mechanically connected, or they may be directly connected or indirectly connected through an intermediate medium, or they may be in communication with each other inside two elements or in an interaction relationship between the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
It is to be understood that the terms "length," "width," "upper," "lower," "front-to-back," "left-to-right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing the utility model and simplifying the description based on the orientation or positional relationship shown in the drawings, and are not to be construed as limiting the utility model, as the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, or be implied.
While the foregoing is directed to the preferred embodiment of the present utility model, other and further embodiments of the utility model may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (8)
1. The utility model provides a laser 3D is powder pressing device for printer which characterized in that: including backup pad and setting are in the mounting bracket of backup pad top, be provided with the holding hole on the mounting bracket, holding hole department is provided with places the board, place and be provided with vertical movement mechanism between board and the backup pad, the top of mounting bracket is provided with the support frame, be provided with two connecting portions on the support frame, be provided with the compression roller between two connecting portions, the top of mounting bracket still is provided with two sets of screw mechanisms, two sets of screw mechanisms can drive the compression roller moves on the horizontal direction.
2. The powder compacting device for a laser 3D printer according to claim 1, wherein: the support frame includes horizontal segment and two vertical sections, two connecting portion intervals set up on the horizontal segment.
3. The powder compacting device for a laser 3D printer according to claim 1, wherein: one end of the connecting part is fixed on the horizontal section through a bolt, a fixing rod is arranged between the other ends of the two connecting parts, and the compression roller is sleeved on the fixing rod.
4. The powder compacting device for a laser 3D printer according to claim 1, wherein: the screw mechanism comprises a motor, a screw, nut blocks and two mounting seats arranged at intervals, wherein the mounting seats are fixed at the top of the mounting frame, the screw is rotationally connected between the two mounting seats, the nut blocks are in threaded connection with the screw, the nut blocks are fixedly connected with the supporting frame, and the motor is connected with one end of the screw.
5. The powder compacting device for a laser 3D printer of claim 4, wherein: the screw mechanism further comprises a guide assembly, the guide assembly comprises two guide rods which are arranged in parallel, two ends of each guide rod are fixedly connected with two mounting seats respectively, and the support frame is in sliding connection with the guide rods.
6. The powder compacting device for a laser 3D printer according to claim 2, wherein: the horizontal section of the support frame is provided with a powder supply mechanism, and the powder supply mechanism comprises a connecting piece and a powder supply box.
7. The powder compacting device for a laser 3D printer of claim 6, wherein: one side of the connecting piece is fixedly connected with the horizontal section of the support frame, and the other side of the connecting piece is fixedly connected with the powder supply box.
8. The powder compacting device for a laser 3D printer of claim 6, wherein: the top of the powder supply box is opened, and the bottom of the powder supply box is provided with a powder outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321432879.8U CN220259554U (en) | 2023-06-06 | 2023-06-06 | Powder pressing device for laser 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321432879.8U CN220259554U (en) | 2023-06-06 | 2023-06-06 | Powder pressing device for laser 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220259554U true CN220259554U (en) | 2023-12-29 |
Family
ID=89305217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321432879.8U Active CN220259554U (en) | 2023-06-06 | 2023-06-06 | Powder pressing device for laser 3D printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220259554U (en) |
-
2023
- 2023-06-06 CN CN202321432879.8U patent/CN220259554U/en active Active
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| GR01 | Patent grant |