CN220920918U - Powder spreading, pressing and grinding integrated printing system - Google Patents
Powder spreading, pressing and grinding integrated printing system Download PDFInfo
- Publication number
- CN220920918U CN220920918U CN202322709242.5U CN202322709242U CN220920918U CN 220920918 U CN220920918 U CN 220920918U CN 202322709242 U CN202322709242 U CN 202322709242U CN 220920918 U CN220920918 U CN 220920918U
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- cylinder
- scraper
- roller
- powder spreading
- powder
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- 239000000843 powder Substances 0.000 title claims abstract description 85
- 230000007480 spreading Effects 0.000 title claims abstract description 69
- 238000007639 printing Methods 0.000 title claims abstract description 24
- 238000003825 pressing Methods 0.000 title abstract description 12
- 238000005096 rolling process Methods 0.000 claims abstract description 34
- 230000010354 integration Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 11
- 230000004927 fusion Effects 0.000 abstract description 8
- 239000002184 metal Substances 0.000 abstract description 8
- 229910052751 metal Inorganic materials 0.000 abstract description 8
- 238000007648 laser printing Methods 0.000 abstract description 5
- 230000008520 organization Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 16
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
Landscapes
- Powder Metallurgy (AREA)
Abstract
The utility model discloses a powder spreading, pressing and grinding integrated printing system which comprises a roller assembly, a rolling driving piece, a scraper roller seat, a linear guide rail, a working chamber powder spreading plane and a powder spreading scraper, wherein the powder spreading scraper and the rolling driving piece are arranged on the scraper roller seat, the roller assembly comprises a roller, the rolling driving piece is connected with and drives the roller assembly to lift to the bottom of the roller to be level with the bottom of the powder spreading scraper or the bottom of the roller to be lower than the bottom of the powder spreading scraper or the bottom of the roller to be higher than the bottom of the powder spreading scraper, the scraper roller seat can reciprocate along the length direction of the linear guide rail, and the working chamber powder spreading plane is positioned below the powder spreading scraper and the roller. The utility model ensures that the surface quality of the printing layer of the product in the metal 3D laser printing process is stable, and the organization structure of the formed product is uniform; the powder spreading scraper and the roller are integrated on one device, the powder spreading scraper and the roller are not required to be separately arranged, the pressing and grinding of the fusion layer can be realized in the return stroke process of the powder spreading scraper, and no extra process steps are required to be added.
Description
Technical Field
The utility model belongs to the technical field of metal laser 3D printing, and particularly relates to a powder spreading, pressing and grinding integrated printing system.
Background
At present, most of metal 3D laser printing processes are as follows: paving a layer of powder, and then melting, condensing or sintering by using laser; and then the process of powder spreading and laser melting is continuously circulated until printing is finished. By adopting the printing method, the quality of the metal surface of each layer in the printing process cannot be ensured, and the powder spreading scraper is easy to wear.
Disclosure of utility model
Aiming at the problems in the prior art, the utility model aims to provide a powder spreading, pressing and grinding integrated printing system, which solves the problems of unstable surface quality of a printing layer of a product, uneven organization structure of a formed product, easy abrasion of a powder spreading scraper, low service life and the like in the metal 3D laser printing process.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
Shop powder, pressure, mill integration print system, including cylinder subassembly, rolling drive spare, scraper roller seat, linear guide, studio shop powder plane, shop powder scraper and rolling drive spare are installed on scraper roller seat, the cylinder subassembly includes the cylinder, and rolling drive spare is connected and is driven the cylinder subassembly goes up and down to the cylinder bottom and shop powder scraper's bottom parallel and level or the cylinder bottom is less than the bottom of shop powder scraper or the cylinder bottom is higher than the bottom of shop powder scraper, and scraper roller seat can be along linear guide's length direction reciprocating motion, and the studio shop powder plane is located the below of shop powder scraper and cylinder.
As a further improvement of the above technical scheme:
Preferably, the integrated printing system further comprises two supporting seats, two linear guide rails are arranged in parallel at intervals, the two supporting seats are respectively arranged on the two linear guide rails in a sliding mode, and two ends of the scraper roller seat are respectively connected with the two supporting seats.
Preferably, the working chamber powder spreading plane is parallel to the horizontal plane, a rectangular or square area on the working chamber powder spreading plane is a forming cylinder powder spreading area, and the forming cylinder powder spreading area is positioned below the two linear guide rails.
More preferably, the integrated printing system further comprises a driving assembly, and the driving assembly drives the scraper roller seat to move along the linear guide rail.
More preferably, the powder spreading scraper is fixedly arranged at the bottom end of the scraper roller seat.
Preferably, the rolling driving piece is arranged on the side surface of the scraper roller seat through the mounting seat, at least one rolling driving piece is arranged on the rolling driving piece, and the rolling driving piece is connected with and drives the roller assembly to linearly move.
More preferably, the roller assembly further comprises a roller base and roller mounting plates, the two roller mounting plates are arranged on the roller base at intervals in parallel, one end of each roller mounting plate is fixedly connected to the roller base, the other end of each roller mounting plate extends in a hanging mode, the two roller mounting plates are located on the same side of the roller base, the roller is cylindrical, two ends of the roller are respectively rotatably arranged on the two roller mounting plates, the rolling driving piece is connected with the roller base, and the roller is located below the roller base when the roller assembly is arranged on the scraper roller base.
More preferably, the rolling drive is a cylinder.
The beneficial effects of the utility model are as follows: the powder spreading scraper plays a role in spreading and scraping powder, and does not need to apply too large acting force, so that the service life of the powder spreading scraper is ensured; the roller plays a role of pressing and grinding the formed fusion layer, so that the surface quality of the printing layer of the product in the metal 3D laser printing process is stable, and the organization structure of the formed product is uniform; the powder spreading scraper and the roller are integrated on one device, the powder spreading scraper and the roller are not required to be separately arranged, the pressing and grinding of the fusion layer can be realized in the return stroke process of the powder spreading scraper, and no extra process steps are required to be added.
Drawings
Fig. 1 is a schematic diagram of the structure of an embodiment of the present utility model.
Fig. 2 is a schematic view of another view structure of an embodiment of the present utility model.
Detailed Description
The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.
Spatially relative terms, such as "above … …," "above … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
The integrated printing system for powder spreading, pressing and grinding comprises a roller assembly, a rolling driving piece 2, a scraper roller seat 3, a linear guide rail 4, a working chamber powder spreading plane 5, a forming cylinder powder spreading area 6, a powder spreading scraper 7, a supporting seat 8 and a driving assembly (not shown in the figure).
The working chamber powder spreading plane 5 is parallel to the horizontal plane, and a rectangular or square area on the working chamber powder spreading plane 5 is a forming cylinder powder spreading area 6.
The two linear guide rails 4 are arranged in parallel at intervals, and the powder paving plane 5 of the working chamber is positioned below the space between the two linear guide rails 4.
The two supporting seats 8 are arranged, and the two supporting seats 8 are respectively arranged on the two linear guide rails 4 in a sliding way. The upper end of each supporting seat 8 is arranged on the linear guide rail 4 in a sliding way, and the lower end of each supporting seat is connected with one end of the scraper roller seat 3. Two ends of the scraper roller seat 3 are respectively connected with two supporting seats 8.
The powder spreading scraper 7 is fixedly arranged at the bottom end of the scraper roller seat 3.
The rolling driving piece 2 is arranged on the side surface of the scraper roller seat 3 through a mounting seat, and at least one rolling driving piece 2 is arranged. The rolling driving member 2 is connected to and drives the roller assembly to linearly move. The rolling drive 2 may be implemented with pneumatic, electric or other mechanisms.
In this embodiment, three rolling driving members 2 are provided, the three rolling driving members 2 are arranged at intervals, the rolling driving members 2 are cylinders, and the driving shafts of the cylinders are perpendicular to the horizontal plane.
The roller assembly includes a roller 11, a roller base 12, and a roller mounting plate 13. The two roller mounting plates 13 are arranged, the two roller mounting plates 13 are arranged on the roller base 12 at intervals in parallel, one end of each roller mounting plate 13 is fixedly connected to the roller base 12, the other end of each roller mounting plate extends in a hanging mode, and the two roller mounting plates 13 are located on the same side of the roller base 12. The drum 11 has a cylindrical shape, and both ends of the drum 11 are rotatably mounted on two drum mounting plates 13, respectively. The material of the roller 11 can be different according to different printing metals, and the surface grain edge of the roller 11 is a spiral line.
The driving end of the rolling driving piece 2 faces downwards, and the driving end of the rolling driving piece 2 is connected with the cylinder base 12. When the roller assembly is mounted on the scraper roller seat 3 through the rolling driving piece 2, the roller 11 is positioned below the roller base 12, and the bottommost part of the roller 11 exceeds the bottommost part of the roller mounting plate 13, so that the roller 11 can contact the working chamber powder spreading plane 5, and the roller mounting plate 13 does not interfere or prevent the roller 11 from contacting the working chamber powder spreading plane 5.
The driving component is connected with and drives the scraper roller seat 3, and preferably, the driving component can be a screw rod driving component in the prior art. The screw rod driving assembly comprises a screw rod and a nut block, the nut block is in threaded connection with the screw rod, the length direction of the screw rod is parallel to the length direction of the linear guide rail 4, the supporting seat 8 is fixedly connected to the nut block, and when the driving motor drives the screw rod to rotate, the nut block drives the supporting seat 8 to reciprocate linearly along the length direction of the screw rod. The motor of the driving assembly, the rolling driving piece 2 and the controller are electrically connected, and the controller controls the motor of the driving assembly, the rolling driving piece 2 and the like to act.
Preferably, the length direction of the powder spreading scraper 7 is parallel to the length direction of the roller 11, and the length of the powder spreading scraper 7 and the length of the roller 11 are not smaller than the width of the powder spreading area 6 of the forming cylinder, and the length direction of the powder spreading area 6 of the forming cylinder is parallel to the length of the linear guide rail 4.
Based on the structure, the working principle and the working process of the utility model are as follows:
During the powder spreading stage, the driving assembly drives the two supporting seats 8 to move unidirectionally along the linear guide rail 4, the two supporting seats 8 drive the scraper roller seat 3, the powder spreading scraper 7 on the scraper roller seat 3 and the roller assembly to move synchronously, at the moment, the bottommost part of the roller 11 is higher than the bottommost part of the powder spreading scraper 7, and the powder spreading scraper 7 finishes the powder spreading and spreading of metal powder in the powder spreading area 6 of the forming cylinder when passing through the powder spreading area 6 of the forming cylinder, so that the rolling driving piece 2 does not act in the process, namely the position of the roller 3 is not moved.
After the powder spreading scraper 7 passes through the powder spreading area 6 of the forming cylinder, powder spreading is completed, namely, one layer of powder spreading is completed, laser printing is performed, after one layer of powder is printed by laser, one layer of powder spreading is formed into a fusion layer, and then the fusion layer is pressed and ground.
Pressing and grinding the sintering layer: after the laser is printed on one layer, the rolling driving piece 2 drives the roller assembly to descend, so that the bottom of the roller 11 and the bottom of the powder spreading scraper 7 are level or slightly lower than the bottom of the powder spreading scraper 7, and in the embodiment, the bottom of the roller 11 is 0.01mm lower than the bottom of the powder spreading scraper 7. And then reversely starting the motor to drive the driving assembly to drive the two supporting seats 8 to reversely move along the linear guide rail 4, driving the scraper roller seat 3, the powder spreading scraper 7 on the scraper roller seat 3 and the roller assembly to return, pressing and grinding the fusion layer by the roller 11 in the return process, removing oxide and chilled points on the surface layer of the fusion layer, and grinding the flat fusion layer to enable the surface layer to form regular pressing and grinding textures.
Finally, what is necessary here is: the above embodiments are only for further detailed description of the technical solutions of the present utility model, and should not be construed as limiting the scope of the present utility model, and some insubstantial modifications and adjustments made by those skilled in the art from the above description of the present utility model are all within the scope of the present utility model.
Claims (8)
1. Spread powder, press, grind integration print system, its characterized in that includes cylinder subassembly, rolling drive piece (2), scraper roller seat (3), linear guide (4), studio spread powder plane (5), spread powder scraper (7) and rolling drive piece (2) and install on scraper roller seat (3), cylinder subassembly includes cylinder (11), rolling drive piece (2) are connected and are driven the cylinder subassembly goes up and down to cylinder (11) bottom and spread the bottom parallel and level of powder scraper (7) or cylinder (11) bottom is less than the bottom of spreading powder scraper (7) or cylinder (11) bottom is higher than the bottom of spreading powder scraper (7), and scraper roller seat (3) can be along linear guide's length direction reciprocating motion, and studio spread powder plane (5) are located the below of spreading powder scraper (7) and cylinder (11).
2. The integrated printing system of claim 1, wherein: the integrated printing system further comprises two supporting seats (8), the two linear guide rails (4) are arranged at intervals in parallel, the two supporting seats (8) are respectively arranged on the two linear guide rails (4) in a sliding mode, and two ends of the scraper roller seat (3) are respectively connected with the two supporting seats (8).
3. The integrated printing system of claim 2, wherein: the working chamber powder spreading plane (5) is parallel to the horizontal plane, a rectangular or square area on the working chamber powder spreading plane (5) is a forming cylinder powder spreading area (6), and the forming cylinder powder spreading area (6) is positioned below the space between the two linear guide rails (4).
4. The integrated printing system of claim 1, wherein: the integrated printing system further comprises a driving assembly, and the driving assembly drives the scraper roller seat (3) to move along the linear guide rail (4).
5. The integrated printing system of any of claims 1-4, wherein: the powder spreading scraper (7) is fixedly arranged at the bottom end of the scraper roller seat (3).
6. The integrated printing system of claim 5, wherein: the rolling driving piece (2) is arranged on the side face of the scraper roller seat (3) through the mounting seat, at least one rolling driving piece (2) is arranged, and the rolling driving piece (2) is connected with and drives the roller assembly to linearly move.
7. The integrated printing system of claim 6, wherein: the utility model provides a cylinder subassembly, cylinder subassembly still includes cylinder base (12) and cylinder mounting panel (13), cylinder mounting panel (13) are equipped with two, two cylinder mounting panel (13) parallel interval are installed on cylinder base (12), cylinder mounting panel (13) one end fixed connection is on cylinder base (12), the other end overhang, two cylinder mounting panel (13) are located the same one side of cylinder base (12), cylinder (11) are cylindric, the both ends of cylinder (11) are rotationally installed respectively on two cylinder mounting panels (13), cylinder base (12) are connected to roll driving piece (2), when cylinder subassembly is installed on scraper cylinder base (3), cylinder (11) are located the below of cylinder base (12).
8. The integrated printing system of claim 7, wherein: the rolling driving piece (2) is a cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322709242.5U CN220920918U (en) | 2023-10-10 | 2023-10-10 | Powder spreading, pressing and grinding integrated printing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322709242.5U CN220920918U (en) | 2023-10-10 | 2023-10-10 | Powder spreading, pressing and grinding integrated printing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220920918U true CN220920918U (en) | 2024-05-10 |
Family
ID=90936215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322709242.5U Active CN220920918U (en) | 2023-10-10 | 2023-10-10 | Powder spreading, pressing and grinding integrated printing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220920918U (en) |
-
2023
- 2023-10-10 CN CN202322709242.5U patent/CN220920918U/en active Active
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