CN218139927U - Scraper for 3D printing - Google Patents
Scraper for 3D printing Download PDFInfo
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- CN218139927U CN218139927U CN202223155694.5U CN202223155694U CN218139927U CN 218139927 U CN218139927 U CN 218139927U CN 202223155694 U CN202223155694 U CN 202223155694U CN 218139927 U CN218139927 U CN 218139927U
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- blade
- mounting
- scraper
- sliding
- screw rod
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The utility model discloses a scraper for 3D printing, which comprises two lifting mechanisms, a blade component and two back-and-forth moving mechanisms, wherein the lifting mechanisms are arranged on the back-and-forth moving mechanisms, the two lifting mechanisms are symmetrically arranged, and the blade component is arranged between the lifting mechanisms; the blade assembly comprises a blade carrier, a blade mounting part, at least two blades and a blade adjusting part, wherein the blade carrier is provided with at least two blade mounting parts which are arranged in parallel, and the blade adjusting part is arranged on the blade carrier and is used for enabling the blade mounting part to move up and down; every all be provided with a blade mounting groove on the blade installation department, fixed mounting has in the blade mounting groove the blade, a plurality of the blade is parallel arrangement each other. The scraper solves the problems that the positions of the scrapers can not be adjusted according to different requirements, powder can not be scraped by a multi-stage scraper simultaneously, and the powder scraping device is complex in structure, high in cost and the like.
Description
Technical Field
The utility model belongs to the technical field of 3D prints, concretely relates to 3D prints and uses scraper.
Background
3D printing (3 DP) is a technique for building objects by layer-by-layer printing using bondable materials such as powdered metals or plastics based on digital model files. The existing 3D printing powder scraping device has many problems, for example, the positions of scrapers can not be adjusted according to different requirements, multi-stage powder scraping can not be realized, and the powder scraping device has a complex structure and high cost; the switching of multi-scene application and the like can not be carried out according to different requirements of single-stage powder scraping and multi-stage powder scraping.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a scraper for 3D printing, which solves the problems that the scraper position can not be adjusted according to different requirements in the 3D printing powder scraping process, the multi-stage powder scraping can not be realized, and the powder scraping device has a complex structure and high cost; the switching of multi-scene application and the like can not be carried out according to different requirements of single-stage powder scraping and multi-stage powder scraping.
The embodiment of the utility model provides a scraper for 3D printing, including two elevating system, blade subassembly, two back-and-forth movement mechanism, elevating system installs on the back-and-forth movement mechanism, two elevating system symmetry sets up, the blade subassembly is installed between the elevating system; the lifting mechanism comprises a first mounting frame, a first screw rod and a sliding mounting block, the first screw rod is mounted on the first mounting frame, the sliding mounting block is slidably mounted on the first mounting frame and is matched with the first screw rod, and the sliding mounting block can move up and down along with the rotation of the first screw rod;
the front-back moving mechanism comprises a second mounting frame, a second screw rod and a sliding base, the first mounting frame is fixedly connected to the sliding base, the second screw rod is mounted on the second mounting frame, and the sliding base is slidably mounted on the second mounting frame and is matched with the second screw rod, so that the sliding base can move front and back along with the rotation of the second screw rod;
the blade assembly comprises a blade holder, a blade mounting part, at least two blades and a blade adjusting part, wherein the blade holder is provided with at least two blade mounting parts which are arranged in parallel, and the blade adjusting part is arranged on the blade holder and is used for enabling the blade mounting parts to move up and down; every all be provided with a blade mounting groove on the blade installation department, fixed mounting has in the blade mounting groove the blade, a plurality of the blade is parallel arrangement each other.
Optionally, the lifting mechanism further includes a first belt, a first driving pulley, and a first driven pulley, an axis of the first driven pulley is fixedly connected to one end of the first screw, the first driving pulley is connected to a first driving mechanism, the first belt is adapted to the first driving pulley and the first driven pulley, and the first driving mechanism can drive the first driving pulley to rotate.
Optionally, the front-back moving mechanism further includes a second belt, a second driving pulley, and a second driven pulley, the second driven pulley is fixedly connected to one end of the second screw, the second driving pulley is connected to a second driving mechanism, the second belt is adapted to the second driving pulley and the second driven pulley, and the second driving mechanism can drive the second driving pulley to rotate.
Optionally, the tool rest is provided with at least one sliding rail, the blade mounting portion is provided with a sliding groove matched with the sliding rail, and the blade adjusting portion is mounted on the tool rest and used for enabling the blade mounting portion to move up and down along the sliding groove.
Optionally, the blade regulating part comprises a threaded rod and a sleeve, the sleeve is fixedly installed on the tool rest, the threaded rod is rotatably connected with the sleeve, and the blade installing part is installed at the lower end of the threaded rod.
Optionally, a plurality of through holes are formed in the blade, and bolts penetrate through the through holes to fix the blade on the blade mounting portion.
Optionally, the tool rest is provided with a limiting structure, the limiting structure is arranged at the lower end of the sliding groove, the limiting structure is a protruding block, and the limiting structure is used for limiting the maximum range of movement of the blade.
Optionally, a scale for measuring the lifting height of the blade is arranged on the tool rest.
The utility model has the advantages that:
(1) The utility model provides a 3D prints and uses scraper simple structure, easy operation, it is with low costs. The height of the blade assembly is adjusted through the lifting mechanism, the blade assembly moves back and forth through the back-and-forth movement mechanism, the blade adjusting part can adjust the height of each blade, different blade heights are set, different heights correspond to different powder scraping thicknesses, and therefore powder with different thicknesses is scraped flatly, and multistage powder scraping can be achieved. Namely, if the height of the lower end of only one blade in the plurality of blades is lower than that of the upper surface of the powder layer, the blade can be used for single-stage powder scraping; if more than two in a plurality of blades highly be less than powder upper surface height, the height of above-mentioned more than two blades reduces along scraping off the direction in proper order, can realize that the knife rest removes once, scrapes the powder more than twice, has realized promptly that multistage scraping powder, and the powder of being convenient for is laid more smoothly. Therefore, by adopting the technical scheme, the multi-scene application can be realized.
When the scraper is not needed, the scraper can be withdrawn from the 3D printing platform through the lifting device and the front-back moving device.
(2) The sliding rail is matched with the sliding groove to provide guidance for the up-and-down movement of the blade; the height of the blade can be adjusted by rotating the thread, so that the powder scraping thickness is controlled; the moving position of the blade can be limited, and the limiting structure is simple and the processing cost is low; the blade position can be located.
Drawings
Fig. 1 is the utility model discloses 3D prints and uses scraper structure perspective.
Fig. 2 is a front view of the scraper structure for 3D printing according to the embodiment of the present invention.
Fig. 3 isbase:Sub>A sectional view of the 3D printing blade structure of fig. 2 inbase:Sub>A directionbase:Sub>A-base:Sub>A.
Fig. 4 is an enlarged view of the blade assembly structure of fig. 3.
Fig. 5 is a front view of a blade assembly structure according to an embodiment of the present invention.
Fig. 6 is a cross-sectional view in the direction of B-B of the blade assembly configuration of fig. 5.
Wherein the reference numerals are: 1. A lifting mechanism; 11. a first mounting bracket; 12. a first screw; 13. a sliding mounting block; 14. a first belt; 15. a first driving pulley; 16. a first driven pulley; 2. a blade assembly; 21. a tool holder; 22. a blade mounting portion; 23. a blade; 231. a bolt; 24. a blade adjusting section; 241. a threaded rod; 242. a sleeve; 3. a forward-backward movement mechanism; 31. a second mounting bracket; 32. a second screw; 33. a sliding base; 34. a second belt; 35. a second driving pulley; 36. a second driven pulley.
Detailed Description
The making and using of the embodiments are discussed in detail below. It should be understood, however, that the detailed description and specific examples, while indicating the particular manner of making and using the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. When the respective components are arranged as shown in the drawings, these direction expressions are appropriate, but when the positions of the respective components in the drawings are changed, these direction expressions are changed accordingly.
Referring to fig. 1 to 6, an embodiment of the present invention provides a scraper for 3D printing, including two lifting mechanisms 1, a blade assembly 2, and two back-and-forth moving mechanisms 3, where the lifting mechanisms 1 are installed on the back-and-forth moving mechanisms 3, the two lifting mechanisms 1 are symmetrically arranged, and the blade assembly 2 is installed between the lifting mechanisms 1; the lifting mechanism 1 comprises a first mounting frame 11, a first screw 12 and a sliding mounting block 13, wherein the first screw 12 is mounted on the first mounting frame 11, and the sliding mounting block 13 is slidably mounted on the first mounting frame 11 and is matched with the first screw 12, so that the sliding mounting block 13 can move up and down along with the rotation of the first screw 12;
the front-back moving mechanism 3 comprises a second mounting frame 31, a second screw 32 and a sliding base 33, the first mounting frame 11 is fixedly connected to the sliding base 33, the second screw 32 is mounted on the second mounting frame 31, the sliding base 33 is slidably mounted on the second mounting frame 31 and is matched with the second screw 32, so that the sliding base 33 can move front and back along with the rotation of the second screw 32;
the blade assembly 2 comprises a blade carrier 21, a blade mounting part 22, at least two blades 23 and a blade adjusting part 24, wherein the blade carrier 21 is provided with at least two blade mounting parts 22 which are arranged in parallel, and the blade adjusting part 24 is arranged on the blade carrier 21 and used for enabling the blade mounting parts 22 to move up and down; every all be provided with a blade mounting groove on the blade installation department 22, fixed mounting has in the blade mounting groove blade 23, a plurality of blade 23 parallel arrangement each other.
By adopting the technical scheme, the height of the blade assembly 2 is adjusted through the lifting mechanism 1, the blade assembly 2 is moved back and forth through the back-and-forth moving mechanism 3, the blade adjusting part 24 can adjust the height of each blade 23, different heights of the blades 23 are set, and different heights correspond to different powder scraping thicknesses, so that powder with different thicknesses is scraped. Namely, if the height of the lower end of only one blade in the plurality of blades is lower than that of the upper surface of the powder layer, the blade can be used for single-stage powder scraping; if more than two in a plurality of blades highly be less than powder upper surface height, the height of above-mentioned more than two blades reduces along scraping off the direction in proper order, can realize that the knife rest removes once, scrapes the powder more than twice, has realized promptly that multistage scraping powder, and the powder of being convenient for is laid more smoothly. Therefore, by adopting the technical scheme, multi-scene application can be realized. When the scraper is not needed, the scraper can be withdrawn from the 3D printing platform through the lifting device and the front-back moving device.
In one embodiment, the lifting mechanism 1 further includes a first belt 14, a first driving pulley 15, and a first driven pulley 16, an axial center of the first driven pulley 16 is fixedly connected to one end of the first screw 12, the first driving pulley 15 is connected to a first driving mechanism (not shown in the figure), the first belt 14 is fitted to the first driving pulley 15 and the first driven pulley 16, and the first driving mechanism can drive the first driving pulley 15 to rotate.
In one embodiment, the front-back moving mechanism 3 further includes a second belt 34, a second driving pulley 35, and a second driven pulley 36, the second driven pulley 36 is fixedly connected to one end of the second screw 32, the second driving pulley 35 is connected to a second driving mechanism, the second belt 34 is adapted to the second driving pulley 35 and the second driven pulley 36, and the second driving mechanism (not shown in the figure) can drive the second driving pulley 35 to rotate.
By adopting the technical scheme, the blade assembly can be driven to move in the vertical direction and the horizontal direction.
In one embodiment, the tool holder 21 is provided with at least one slide rail, the blade mounting portion 22 is provided with a slide groove adapted to the slide rail, and the blade adjusting portion 24 is mounted on the tool holder 21 for moving the blade mounting portion 22 up and down along the slide groove.
By adopting the technical scheme, the slide rail and the chute are matched to provide guidance for the up-and-down movement of the blade.
In one embodiment, the blade adjusting portion 24 includes a threaded rod 241 and a sleeve 242, the sleeve 242 is fixedly mounted on the tool holder 21, the threaded rod 241 is rotatably connected to the sleeve 242, and the blade mounting portion 22 is mounted at the lower end of the threaded rod 241.
By adopting the technical scheme, the height of the blade can be adjusted by rotating the threaded rod 241, and then the powder scraping thickness is controlled.
In one embodiment, the insert 23 is provided with a plurality of through holes through which bolts 231 are passed to fix the insert 23 to the insert mounting portion 22.
With the above-described technical solution, the blade 23 can be fixed to the blade mounting portion 22.
In one embodiment, the tool holder 21 is provided with a limiting structure, which is a bump, and is disposed at the lower end of the sliding groove, and the limiting structure is used for limiting the maximum range of movement of the blade.
By adopting the technical scheme, the moving position of the blade can be limited, and the limiting structure is simple and the processing cost is low.
In one embodiment, the tool post is provided with a scale for measuring the elevation height of the blade.
By adopting the technical scheme, the position of the blade can be positioned.
It should be understood that the embodiments shown in fig. 1-6 only show the shape, size and arrangement of the various optional components of the 3D printing blade according to the present invention, however, they are merely illustrative and not limiting, and that other shapes, sizes and arrangements may be adopted without departing from the spirit and scope of the present invention. The terms "upper", "lower", "front", "inner", and the like refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
While embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the invention, the scope of which is defined by the appended claims. Various changes and modifications to the disclosed concept may be made by those skilled in the art, which fall within the scope of the invention.
Claims (8)
1. The scraper for 3D printing is characterized by comprising two lifting mechanisms, a blade assembly and two front-back moving mechanisms, wherein the lifting mechanisms are arranged on the front-back moving mechanisms, the two lifting mechanisms are symmetrically arranged, and the blade assembly is arranged between the lifting mechanisms; the lifting mechanism comprises a first mounting frame, a first screw rod and a sliding mounting block, the first screw rod is mounted on the first mounting frame, and the sliding mounting block is slidably mounted on the first mounting frame and is matched with the first screw rod, so that the sliding mounting block can move up and down along with the rotation of the first screw rod;
the front-back moving mechanism comprises a second mounting frame, a second screw rod and a sliding base, the first mounting frame is fixedly connected to the sliding base, the second screw rod is mounted on the second mounting frame, and the sliding base is slidably mounted on the second mounting frame and is matched with the second screw rod, so that the sliding base can move front and back along with the rotation of the second screw rod;
the blade assembly comprises a blade carrier, a blade mounting part, at least two blades and a blade adjusting part, wherein the blade carrier is provided with at least two blade mounting parts which are arranged in parallel, and the blade adjusting part is arranged on the blade carrier and is used for enabling the blade mounting part to move up and down; every all be provided with a blade mounting groove on the blade installation department, fixed mounting has in the blade mounting groove the blade, a plurality of the blade is parallel arrangement each other.
2. The scraper for 3D printing according to claim 1, wherein the lifting mechanism further comprises a first belt, a first driving pulley, and a first driven pulley, an axis of the first driven pulley is fixedly connected to one end of the first screw, the first driving pulley is connected to a first driving mechanism, the first belt is adapted to the first driving pulley and the first driven pulley, and the first driving mechanism can drive the first driving pulley to rotate.
3. The scraper for 3D printing according to claim 1, wherein the forward and backward moving mechanism further comprises a second belt, a second driving pulley and a second driven pulley, the second driven pulley is fixedly connected with one end of the second screw, the second driving pulley is connected with a second driving mechanism, the second belt is matched with the second driving pulley and the second driven pulley, and the second driving mechanism can drive the second driving pulley to rotate.
4. The 3D printing scraper according to claim 1, wherein the blade holder is provided with at least one sliding rail, the blade mounting portion is provided with a sliding groove adapted to the sliding rail, and the blade adjusting portion is mounted on the blade holder and used for enabling the blade mounting portion to move up and down along the sliding groove.
5. The scraper of claim 1, wherein the blade adjusting portion comprises a threaded rod and a sleeve, the sleeve is fixedly mounted on the blade holder, the threaded rod is rotatably connected with the sleeve, and the blade mounting portion is mounted at the lower end of the threaded rod.
6. The scraper for 3D printing according to claim 1, wherein a plurality of through holes are provided in the blade, and bolts are passed through the through holes to fix the blade to the blade mounting portion.
7. The scraper for 3D printing according to claim 4, wherein the knife rest is provided with a limiting structure, the limiting structure is arranged at the lower end of the sliding groove, the limiting structure is a bump, and the limiting structure is used for limiting the maximum range of movement of the blade.
8. The scraper for 3D printing according to claim 1, wherein a scale for measuring the elevation height of the blade is provided on the blade holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223155694.5U CN218139927U (en) | 2022-11-28 | 2022-11-28 | Scraper for 3D printing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223155694.5U CN218139927U (en) | 2022-11-28 | 2022-11-28 | Scraper for 3D printing |
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| Publication Number | Publication Date |
|---|---|
| CN218139927U true CN218139927U (en) | 2022-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223155694.5U Active CN218139927U (en) | 2022-11-28 | 2022-11-28 | Scraper for 3D printing |
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| CN (1) | CN218139927U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116967482A (en) * | 2023-09-18 | 2023-10-31 | 山东创瑞激光科技有限公司 | Foldable scraper structure |
-
2022
- 2022-11-28 CN CN202223155694.5U patent/CN218139927U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116967482A (en) * | 2023-09-18 | 2023-10-31 | 山东创瑞激光科技有限公司 | Foldable scraper structure |
| CN116967482B (en) * | 2023-09-18 | 2023-12-05 | 山东创瑞激光科技有限公司 | Foldable scraper structure |
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