CN210082420U - Powder paving device of 3D printer with adjustable opening - Google Patents
Powder paving device of 3D printer with adjustable opening Download PDFInfo
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- CN210082420U CN210082420U CN201920323189.6U CN201920323189U CN210082420U CN 210082420 U CN210082420 U CN 210082420U CN 201920323189 U CN201920323189 U CN 201920323189U CN 210082420 U CN210082420 U CN 210082420U
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Abstract
The utility model provides an adjustable open-ended 3D printer spreads powder device relates to 3D and prints technical field, spreads the problem design that powder device powder leaked for solving current 3D printer. The powder paving device of the 3D printer comprises a powder groove, a powder discharging groove, a material discharging opening and a material discharging opening adjusting device, wherein the powder groove is used for storing powder materials; the powder discharging groove is a passage for powder materials to fall down, is arranged below the powder groove and is communicated with the powder groove; or, the powder falling groove is a part of the lower part of the powder groove and is a passage for the powder material to fall; the feed opening is an opening arranged at the bottom of the lower powder groove; feed opening adjusting device sets up on the feed opening, feed opening adjusting device adopts rotary motion or gliding motion to realize right the opening size of feed opening is adjusted, realizes the closure of feed opening when not spreading the powder to the problem of leaking the powder has been solved.
Description
Technical Field
The invention relates to the technical field of 3D printing, in particular to a powder laying device of a 3D printer with an adjustable opening.
Background
3D Printing is one of rapid prototyping technologies, and is a technology for constructing an object by using a powder material (powder for short) and Printing layer by layer on the basis of a digital model file.
The equipment for realizing the 3D printing technology is called powder 3D printing equipment, a powder laying device used by the powder 3D printing equipment has two modes of straight opening and unidirectional dislocation sand laying, and the two powder laying devices have material leakage phenomena with different degrees in the printing process, so that the printing cost is increased, and the stability of the equipment is influenced; meanwhile, the powder spreading device usually utilizes vibration to enable powder to fall and spread on a workbench, the sand discharging mode has time difference, the powder discharging amount can not be guaranteed to be uniform in the moment, the difference of the precision, the surface quality and the like of a printed product is large, and if the difference can be optimized and improved aiming at the problems existing in the existing powder spreading device, the problems of product quality printing and raw material waste caused by the powder spreading device in the whole 3D printing field can be solved easily.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide an opening-adjustable powder paving device of a 3D printer, and aims to solve the technical problem of material leakage of the existing 3D printer.
The invention provides a powder spreading device of an adjustable-opening 3D printer, which comprises a powder groove, a powder discharging groove, a material discharging opening and a material discharging opening adjusting device, wherein the powder groove is used for storing powder materials; the powder discharging groove is a passage for powder materials to fall down, is arranged below the powder groove and is communicated with the powder groove; or, the powder falling groove is a part of the lower part of the powder groove and is a passage for the powder material to fall; the feed opening is an opening arranged at the bottom of the lower powder groove; feed opening adjusting device sets up feed opening (7) department, feed opening adjusting device adopts rotary motion or gliding motion to realize right the opening size of feed opening (7) is adjusted.
Further, the feed opening adjusting device comprises a driving part (8) and an executing part (4), wherein the executing part (4) is arranged to be an inserting piece part which slides obliquely downwards; the driving part (8) drives the executing part (4) to slide downwards in an inclined mode, so that the opening size of the feed opening (7) is reduced or the feed opening is closed; or the driving part (8) drives the executing part (4) to slide upwards in an inclined way, so that the opening size of the feed opening (7) is enlarged.
Further, the head of the actuating component (4) is provided with a bevel or a circular arc surface structure which can realize sealing joint with the side wall of the feed opening (7).
Furthermore, the part of the side wall of the lower powder groove (3) jointed with the head part of the execution component (4) is provided with a slope or a circular arc surface structure which can realize sealing joint between the side wall of the lower powder groove (3) and the execution component (4).
Further, the feed opening adjusting device comprises a driving part (8) and an executing part (4), wherein the executing part (4) is arranged to be an eccentric shaft or a special shaft rotating around the axis of the executing part; the driving part (8) drives the executing part (4) to rotate around the axis of the executing part, so that the opening size of the feed opening (7) is reduced or the feed opening is closed, or the opening size of the feed opening (7) is enlarged.
Further, the execution component (4) is arranged right above the feed opening (7), the execution component (4) is provided with an eccentric portion or an abnormal portion which can be combined with the two side walls of the powder discharging groove (3) in sequence during rotation, and the eccentric portion or the abnormal portion is arranged to be capable of sealing the feed opening when the eccentric portion or the abnormal portion rotates to the lower side.
Furthermore, the joint part of the side wall of the lower powder groove (3) and the eccentric part or the special-shaped part of the execution component (4) is provided with an inclined surface or an arc surface structure which can enable the side wall of the lower powder groove (3) and the execution component (4) to realize sealing joint.
Further, the driving component (8) adopts a pneumatic driver, or adopts an electric driver, or adopts an electromagnetic driver.
Further, the powder laying device also comprises a powder conveyor (2) and a vibration device (6); the powder conveyor (2) is a device which is arranged in the powder tank (1) and is used for conveying powder to each part of the powder tank (1); the vibrating device (6) is connected with the powder groove (1) or the powder discharging groove (3) and is used for vibrating the powder groove (1) or the powder discharging groove (3).
Further, the powder laying device also comprises a powder conveyor (2) and a vibration device (6); the powder conveyor (2) is a device which is arranged in the powder tank (1) and is used for conveying powder to each part of the powder tank (1); the vibrating device (6) is connected with the powder groove (1) or the powder discharging groove (3) and is used for vibrating the powder groove (1) or the powder discharging groove (3).
The 3D printer powder paving device with the adjustable opening has the beneficial effects that at least: have powder groove down through the setting, feed opening and feed opening adjusting device's an adjustable open-ended 3D printer shop powder device, it is controllable to have realized the adjustable of feed opening aperture size, it is adjustable controllable to make the lower powder volume size of shop's powder device when spreading the powder, it can not leak to make shop's powder device when stopping spreading the powder, the technical problem of the uncontrollable and hourglass material of lower powder volume that exists among the prior art has been improved well, thereby the stability of printing product quality has been ensured, the hourglass material volume has been reduced, the printing cost is reduced.
Drawings
Fig. 1 is a schematic forward overall structural diagram of a powder spreading device of a 3D printer with an adjustable opening according to an embodiment of the present invention;
fig. 2 is a right schematic view of a powder spreading device of an adjustable-opening 3D printer according to an embodiment of the present invention in operation;
fig. 3 is an E-E cross-sectional view of a powder spreading device of a 3D printer with an adjustable opening according to an embodiment of the present invention;
fig. 4 is a partial view of a closed blanking port of a powder spreading device of an adjustable-opening 3D printer according to a first embodiment of the present invention;
fig. 5 is a partially enlarged view of a closed blanking port of a powder spreading device of an adjustable-opening 3D printer according to a first embodiment of the present invention;
fig. 6 is a partial view of a fully opened feed opening of a powder spreading device of an adjustable-opening 3D printer according to a first embodiment of the present invention;
fig. 7 is a partially enlarged view of a fully opened feed opening of a powder spreading device of an adjustable-opening 3D printer according to a first embodiment of the present invention;
fig. 8 is a partial view of a part of a feed opening of a powder laying device of an adjustable-opening 3D printer according to a first embodiment of the present invention;
fig. 9 is a partially enlarged view of a part of a feed opening of a powder laying device of an adjustable-opening 3D printer according to a first embodiment of the present invention;
fig. 10 is a schematic front general structural diagram of a 3D printer powder spreading device with an adjustable opening according to a second embodiment of the present invention;
fig. 11 is a sectional view taken along line a-a of a powder laying device of a 3D printer with an adjustable opening according to a second embodiment of the invention;
fig. 12 is a partially enlarged view of a fully opened feed opening of a powder spreading device of an adjustable opening 3D printer according to a second embodiment of the present invention;
fig. 13 is a partially enlarged view of a closed blanking port of a powder spreading device of an adjustable-opening 3D printer according to a second embodiment of the present invention;
reference numerals:
1-powder groove, 2-powder conveyer, 3-powder discharging groove, 4-executing component, 5-connecting plate, 6-vibrating device, 7-discharging opening, 8-driving component, 9-mounting seat, 10-working platform and 11-cleaning device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following will clearly and completely describe the technical solutions of the present invention with reference to the accompanying drawings. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "horizontal", "vertical", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "mounted" are to be interpreted broadly, e.g., as being either fixedly connected or detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 and 2, the present embodiment provides an adjustable opening 3D printer powder laying device, which is used for laying powder to a workbench 10. As shown in fig. 3, 4, 10 and 11, the opening-adjustable 3D printer powder spreading device provided by this embodiment includes a powder tank 1, a powder discharging tank 3, a powder discharging port 7 and a powder discharging port adjusting device, where the powder tank 1 is used to store powder material; the powder discharging groove 3 is a passage for powder materials to fall, is arranged below the powder groove 1 and is communicated with the powder groove 1; or, the lower powder groove 3 is a part of the lower part of the powder groove 1 and is a passage for the powder material to fall; the feed opening 7 is an opening arranged at the bottom of the powder feeding groove 3; feed opening adjusting device sets up feed opening department adopts rotary motion or gliding motion to realize right the opening size of feed opening 7 is adjusted.
Referring to fig. 4 to 9 again, according to a first embodiment of the present invention, the opening-adjustable 3D printer powder spreading device includes a driving component 8 and an executing component 4, wherein the driving component 8 closes the discharging opening 7, and the executing component 4 is configured as a component sliding obliquely downward and similar to a blade; the driving component 8 drives the executing component 4 to slide downwards in an inclined mode so as to reduce the size of the opening of the feed opening 7 or close the feed opening, or the driving component 8 drives the executing component 4 to slide upwards in an inclined mode so as to expand the size of the opening of the feed opening 7. Meanwhile, the head of the actuating component 4 is provided with an inclined surface or a circular arc surface structure which can realize sealing joint with the side wall of the lower powder groove 3; the joint of the side wall of the lower powder groove 3 and the head of the actuating component 4 is provided with a slope or circular arc surface structure which can realize sealing joint of the side wall of the lower powder groove 3 and the actuating component 4.
With reference to fig. 1 and fig. 2, and fig. 10-fig. 13, a powder spreading device for an adjustable opening 3D printer according to another embodiment of the present invention is shown, wherein the feed opening adjusting device includes a driving component 8 and an executing component 4, and the executing component 4 is configured as an eccentric shaft or a special shaft rotating around its axis; the driving component 8 drives the executing component 4 to rotate around the axis thereof, so as to reduce the opening size of the feed opening 7 or close the feed opening, or enlarge the opening size of the feed opening 7. Simultaneously, executive component 4 sets up directly over feed opening 7, executive component 4 be provided with can be when rotatory successively with eccentric portion or special-shaped portion that two lateral walls of powder groove 3 combine down, work as when eccentric portion or special-shaped portion rotate to the below, eccentric portion or special-shaped portion just in time can seal the feed opening. Moreover, the joint of the side wall of the lower powder groove 3 and the eccentric part or the special-shaped part of the actuating component 4 is provided with a slope or a circular arc surface structure which can realize sealing joint of the side wall of the lower powder groove 3 and the actuating component 4.
According to the embodiment of the invention, the opening-adjustable 3D printer powder spreading device further comprises a powder conveyor 2, a connecting plate 5, a vibrating device 6, a mounting seat 9 and the like, wherein a driving part 8 is mounted on the powder spreading device through the mounting seat 9, and the driving part 8 adopts a pneumatic driver, an electric driver or an electromagnetic driver and other driving modes; the powder conveyor 2 is a device which is arranged in the powder tank 1 and is used for conveying powder to each part of the powder tank 1; the vibrating device 6 is connected to the powder tank 1 or the powder discharge tank 3, and is configured to vibrate the powder tank 1 or the powder discharge tank 3.
The embodiment of the invention provides a 3D printer powder laying device with an adjustable opening, which comprises the following specific working processes: the powder trough 1 is supplied with the sand which is mixed evenly, the powder conveyor 2 acts to convey the sand to the whole lower powder trough 3 to be distributed evenly, and the actuating component 4 of the closing device closes the feed opening 7 under the action of the driving component 8, as shown in figures 4 and 5. The driving component 8 is arranged on the mounting seat 9, the actuating component 4 is arranged at the shaft end of the driving component, and the actuating component 4 is in close contact with the connecting plate 5 at the feed opening. When the powder paving device starts to pave powder, the actuating part 4 of the feed opening adjusting device is opened under the action of the driving part 8, as shown in fig. 6 and 7. Meanwhile, the vibrating device 6 acts to enable the sand which is originally above the closed inserting plate to instantly fall to the discharging opening 7, so that the sand which is instantly filled in the whole discharging opening is ensured, the movement of the powder paving device is synchronous with the sand discharging, and the powder can be uniformly paved all the time in the whole powder paving process. When the powder spreading device moves to the other side of the working platform, the feed opening and the vibrating device are closed simultaneously, the feed opening stops discharging sand, the powder spreading device moves to the position above the cleaning device 11 located on the end side of the working platform 10, as shown in fig. 2, the powder spreading device does not have the condition of material leakage above the cleaning device, and the cleaning and the continuous use of the cleaning device are guaranteed. Wherein, in order to ensure that the execution part 4 is easy to operate and is not blocked by powder, the inserting plate is arranged obliquely downwards, and the end part of the inserting plate is arranged into an oblique opening or a fillet structure. For the closed executing component adopting the rotating mode, as shown in fig. 10-13, when the powder spreading device starts to spread powder, the rotating executing component 4 rotates for a certain angle under the action of the driving component, and the discharging opening is opened for discharging; when powder does not need to be spread, the rotary closing shaft rotates for a certain angle, the protruding part of the rotary execution part is connected with the matching part of the powder discharging groove, and material leakage is avoided. According to the scheme, the precision and the reliability of the cleaning device are guaranteed, the cleaning quality is improved, and the stability of the quality of a printed product is ensured.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. The powder spreading device of the 3D printer with the adjustable opening is characterized by comprising a powder groove (1), a powder discharging groove (3), a discharging opening (7) and a discharging opening adjusting device, wherein the powder groove (1) is used for storing powder materials;
the powder discharging groove (3) is a passage for powder materials to fall, is arranged below the powder groove (1), and is communicated with the powder groove (1);
or, the powder discharging groove (3) is a part of the lower part of the powder groove (1) and is a passage for the powder material to fall;
the feed opening (7) is an opening arranged at the bottom of the powder feeding groove (3);
feed opening adjusting device sets up feed opening (7) department, feed opening adjusting device adopts rotary motion to realize right the opening size of feed opening (7) is adjusted.
2. The powder spreading device of the 3D printer with the adjustable opening as claimed in claim 1, wherein the feed opening adjusting device comprises a driving part (8) and an executing part (4), and the executing part (4) is arranged to be an eccentric shaft or a special shaft rotating around the shaft center; the driving part (8) drives the executing part (4) to rotate around the axis of the executing part, so that the opening size of the feed opening (7) is reduced or the feed opening is closed, or the opening size of the feed opening (7) is enlarged.
3. The powder spreading device of the 3D printer with the adjustable opening as claimed in claim 2, wherein the execution part (4) is arranged right above the discharging opening (7), the execution part (4) is provided with an eccentric part or a special-shaped part which can be sequentially combined with two side walls of the powder discharging groove (3) when rotating, and the eccentric part or the special-shaped part is arranged to be capable of sealing the discharging opening when the eccentric part or the special-shaped part rotates to the lower part.
4. The opening-adjustable 3D printer powder spreading device according to claim 3, wherein the joint of the side wall of the lower powder groove (3) and the eccentric part or the special-shaped part of the execution part (4) is provided with a slope or a circular arc structure which can enable the side wall of the lower powder groove (3) and the execution part (4) to realize sealing joint.
5. The adjustable opening 3D printer powder spreading device according to any one of claims 2 to 4, wherein the driving component (8) adopts a pneumatic driver, or adopts an electric driver, or adopts an electromagnetic driver.
6. The adjustable opening 3D printer powder spreading device according to claim 1, further comprising a powder conveyor (2) and a vibration device (6); the powder conveyor (2) is a device which is arranged in the powder tank (1) and is used for conveying powder to each part of the powder tank (1); the vibrating device (6) is connected with the powder groove (1) or the powder discharging groove (3) and is used for vibrating the powder groove (1) or the powder discharging groove (3).
7. The adjustable opening 3D printer powder spreading device according to claim 5, characterized in that the powder spreading device further comprises a powder conveyor (2) and a vibration device (6); the powder conveyor (2) is a device which is arranged in the powder tank (1) and is used for conveying powder to each part of the powder tank (1); the vibrating device (6) is connected with the powder groove (1) or the powder discharging groove (3) and is used for vibrating the powder groove (1) or the powder discharging groove (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920323189.6U CN210082420U (en) | 2019-03-15 | 2019-03-15 | Powder paving device of 3D printer with adjustable opening |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920323189.6U CN210082420U (en) | 2019-03-15 | 2019-03-15 | Powder paving device of 3D printer with adjustable opening |
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| CN210082420U true CN210082420U (en) | 2020-02-18 |
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| CN201920323189.6U Active CN210082420U (en) | 2019-03-15 | 2019-03-15 | Powder paving device of 3D printer with adjustable opening |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109910298A (en) * | 2019-03-15 | 2019-06-21 | 共享智能铸造产业创新中心有限公司 | A kind of 3D printer power spreading device of adjustable opening |
| CN113600838A (en) * | 2021-09-02 | 2021-11-05 | 上海毅速激光科技有限公司 | Metal powder storage structure of 3D printing die |
| JP6993492B1 (en) | 2020-10-20 | 2022-01-13 | 株式会社ソディック | Laminated modeling equipment |
-
2019
- 2019-03-15 CN CN201920323189.6U patent/CN210082420U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109910298A (en) * | 2019-03-15 | 2019-06-21 | 共享智能铸造产业创新中心有限公司 | A kind of 3D printer power spreading device of adjustable opening |
| JP6993492B1 (en) | 2020-10-20 | 2022-01-13 | 株式会社ソディック | Laminated modeling equipment |
| JP2022067599A (en) * | 2020-10-20 | 2022-05-06 | 株式会社ソディック | Additive manufacturing apparatus |
| TWI802014B (en) * | 2020-10-20 | 2023-05-11 | 日商沙迪克股份有限公司 | Additive manufacturing apparatus |
| US11759864B2 (en) | 2020-10-20 | 2023-09-19 | Sodick Co., Ltd. | Additive manufacturing apparatus |
| CN113600838A (en) * | 2021-09-02 | 2021-11-05 | 上海毅速激光科技有限公司 | Metal powder storage structure of 3D printing die |
| CN113600838B (en) * | 2021-09-02 | 2022-02-22 | 上海毅速激光科技有限公司 | Metal powder storage structure of 3D printing die |
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Effective date of registration: 20211124 Address after: 298, ningshuo South Street, Yinchuan economic and Technological Development Zone, Ningxia Hui Autonomous Region Patentee after: KOCEL INTELLIGENT EQUIPMENT Co.,Ltd. Address before: 750021 science and technology building and office building of small and medium sized enterprise entrepreneurial base in economic and Technological Development Zone, 330 Huanghe Road, Xixia District, Yinchuan City, Ningxia Hui Autonomous Region Patentee before: NATIONAL INTELLIGENT FOUNDRY INDUSTRY INNOVATION CENTER |