CN107901411B - Take SLS printer of raw materials mixing mechanism to spread powder device - Google Patents
Take SLS printer of raw materials mixing mechanism to spread powder device Download PDFInfo
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- CN107901411B CN107901411B CN201711195171.4A CN201711195171A CN107901411B CN 107901411 B CN107901411 B CN 107901411B CN 201711195171 A CN201711195171 A CN 201711195171A CN 107901411 B CN107901411 B CN 107901411B
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- powder
- roller
- mixing
- mixing roller
- sls
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- 239000000843 powder Substances 0.000 title claims abstract description 106
- 238000002156 mixing Methods 0.000 title claims abstract description 69
- 239000002994 raw material Substances 0.000 title claims abstract description 37
- 230000007246 mechanism Effects 0.000 title claims abstract description 25
- 230000007480 spreading Effects 0.000 claims description 28
- 238000003756 stirring Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 8
- 239000000203 mixture Substances 0.000 abstract description 7
- 230000000903 blocking effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 5
- 238000010410 dusting Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000110 selective laser sintering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
Abstract
The invention discloses a powder paving device of an SLS printer with a raw material mixing mechanism, which comprises: the powder mixing device comprises a workbench, a powder filling box, a mixing roller and a powder paving roller; the workstation is provided with the slide rail respectively along the relative both sides of self length direction, the both ends of mixing the roller are respectively through the bracing piece setting in the slide rail, it can slide along the slide rail to mix the roller, powder filling box sets up the top at mixing the roller, powder filling box includes two cavities at least, and every cavity is linked together through a pipe and mixing the roller, all be provided with first control valve on the pipe, be provided with rabbling mechanism in the mixing roller, the downside of mixing the roller is provided with the export, the exit still is provided with the second control valve, the downside of mixing the roller still is provided with spreads the powder roller. This powder device is spread to SLS printer overcomes the working process of the SLS type 3D printer among the prior art, spreads the powder roller and produces blocking phenomenon easily, can't mix the problem of printing together effectively with two kinds or more than two kinds of raw materials powder automatically moreover.
Description
Technical Field
The invention relates to the field of SLS printers, in particular to a powder paving device of an SLS printer with a raw material mixing mechanism.
Background
Selective laser sintering (SLS for short) is a widely used rapid prototyping technology, which uses solid powder material as raw material, and adopts laser to scan the cross section of a three-dimensional entity layer by layer to complete prototype manufacture, and is not limited by the complexity of the shape of a part, does not need any tooling die, and has wide application range. Utilize the model that SLS rapid prototyping technique can print out the 3D effect, consequently, have one type of 3D printer on the market to be SLS type 3D printer, can print out simple 3D model fast.
In the working process of the SLS type 3D printer in the prior art, the powder spreading roller is easy to generate a blocking phenomenon, and two or more than two raw material powders cannot be automatically and effectively mixed together to be printed.
Therefore, the invention provides a powder paving device of an SLS printer with a raw material mixing mechanism, which can effectively mix two or more raw material powders together for printing according to needs in the using process and is not easy to cause the problem of blockage of the powder paving device.
Disclosure of Invention
In view of the above technical problems, an object of the present invention is to overcome the problems that a powder spreading roller is likely to be blocked and two or more raw material powders cannot be automatically and effectively mixed together for printing in the working process of an SLS type 3D printer in the prior art, so as to provide a powder spreading device with a raw material mixing mechanism, which can effectively mix two or more raw material powders together for printing according to needs in the using process and is not easy to cause the blocking problem.
In order to achieve the above object, the present invention provides an SLS printer powder spreading device with a raw material mixing mechanism, the SLS printer powder spreading device including: the powder mixing device comprises a workbench, a powder filling box, a mixing roller and a powder paving roller; the workstation is provided with the slide rail respectively along the relative both sides of self length direction, the both ends of mixing the roller are in through the bracing piece setting respectively in the slide rail, mix the roller can along the slide rail slides, the dress powder case sets up mix the top of roller, the dress powder case includes two cavities at least, and every cavity through a pipe with mix the roller and be linked together, all be provided with first control valve on the pipe, be provided with rabbling mechanism in mixing the roller, the downside of mixing the roller is provided with the export, the exit still is provided with the second control valve, the downside of mixing the roller still is provided with spreads the powder roller, spread the powder roller with mix the roller and be parallel to each other.
Preferably, the stirring mechanism includes: the stirring device comprises a driving motor, a rotating shaft and stirring blades; the pivot sets up the center pin department of mixing the roller, driving motor sets up the outside of mixing the roller, just driving motor last output shaft with the pivot links to each other, the global of pivot is provided with a plurality ofly uniformly stirring vane.
Preferably, the powder containing box is internally provided with a partition board which divides the powder containing box into a plurality of cavities, and the upper surface of the powder containing box is provided with powder injecting ports which are in one-to-one correspondence with the cavities.
Preferably, one side of the workbench adjacent to the slide rail is provided with a driving pump, a piston rod on the driving pump is connected with the support rod, and the length direction of the piston rod is parallel to the length direction of the slide rail.
Preferably, at least two powder spreading rollers are provided.
Preferably, two of the dusting rollers are arranged symmetrically about a vertical plane on the mixing roller.
Preferably, the support rod is a telescopic rod and can be locked in length.
According to the technical scheme, when the SLS printer powder spreading device with the raw material mixing mechanism is used, different raw material powder is filled in different chambers of the powder filling box according to needs, the adding amount of the raw material powder is controlled through the first control valve, the added raw material powder is mixed and stirred in the mixing roller, the mixed raw material powder is added to the upper surface of the workbench from an outlet on the mixing roller after stirring is completed, and the powder spreading roller is used for uniformly spreading the raw material powder on the upper surface of the workbench. The SLS printer powder spreading device with the raw material mixing mechanism provided by the invention solves the problems that the powder spreading and piling period is easy to generate a blocking phenomenon and two or more than two kinds of raw material powder cannot be automatically and effectively mixed together for printing in the working process of an SLS type 3D printer in the prior art.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a powder spreading device of an SLS printer with a raw material mixing mechanism according to a preferred embodiment of the present invention;
FIG. 2 is an assembly view of a mixing roller and a powder box on a powder laying device of an SLS printer with a raw material mixing mechanism according to a preferred embodiment of the present invention;
fig. 3 is a schematic structural diagram of a mixing roller on a powder spreading device of an SLS printer with a raw material mixing mechanism according to a preferred embodiment of the present invention.
Description of the reference numerals
1 workbench 2 slide rails
3 mixing roller 4 powder box
5 conduit 6 support rod
7 piston rod 8 driving pump
9 spread powder roller 10 notes powder mouth
11 drive motor 12 baffle
13 stirring blade 14 rotating shaft
15 second control valve 16 outlet
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
In the present invention, unless otherwise specified, the directional words "upper, lower, inner, outer" and the like included in the terms merely represent the orientation of the terms in a conventional use state or are colloquially understood by those skilled in the art, and should not be construed as limiting the terms.
As shown in fig. 1 to 3, the present invention provides an SLS printer powder laying device with a raw material mixing mechanism, the SLS printer powder laying device including: the powder mixing device comprises a workbench 1, a powder filling box 4, a mixing roller 3 and a powder paving roller 9; workstation 1 is provided with slide rail 2 respectively along the relative both sides of self length direction, the both ends of mixing roller 3 are in through bracing piece 6 setting respectively in the slide rail 2, mixing roller 3 can along slide rail 2 slides, dress powder case 4 sets up the top of mixing roller 3, dress powder case 4 includes two cavities at least, and every cavity through a pipe 5 with mixing roller 3 is linked together, all be provided with first control valve on the pipe 5, be provided with rabbling mechanism in the mixing roller 3, the downside of mixing roller 3 is provided with export 16, export 16 department still is provided with second control valve 15, the downside of mixing roller 3 still is provided with spreads powder roller 9, spread powder roller 9 with mixing roller 3 is parallel to each other.
According to the technical scheme, when the SLS printer powder spreading device with the raw material mixing mechanism is used, different raw material powder is filled in different chambers of the powder filling box 4 according to needs, the adding amount of the raw material powder is controlled through the first control valve, the added raw material powder is mixed and stirred in the mixing roller 3, the mixed raw material powder is added to the upper surface of the workbench 1 from the outlet 16 on the mixing roller 3 after stirring is completed, and the powder spreading roller 9 is used for uniformly spreading the raw material powder on the upper surface of the workbench 1. The SLS printer powder spreading device with the raw material mixing mechanism provided by the invention solves the problems that the powder spreading and piling period is easy to generate a blocking phenomenon and two or more than two kinds of raw material powder cannot be automatically and effectively mixed together for printing in the working process of an SLS type 3D printer in the prior art.
In a preferred embodiment of the present invention, the stirring mechanism includes: a driving motor 11, a rotating shaft 14 and a stirring blade 13; the rotating shaft 14 is arranged at the central shaft of the mixing roller 3, the driving motor 11 is arranged at the outer side of the mixing roller 3, an output shaft of the driving motor 11 is connected with the rotating shaft 14, a plurality of stirring blades 13 are uniformly arranged on the peripheral surface of the rotating shaft 14, and the driving motor 11 drives the rotating shaft 14 to rotate, so that the stirring blades 13 are driven to rotate, the raw material powder is stirred, a plurality of raw material powder are uniformly mixed together, and the anti-blocking effect can be achieved.
In a preferred embodiment of the present invention, a partition plate 12 is disposed inside the powder containing box 4 to divide the powder containing box 4 into a plurality of chambers, and the upper surface of the powder containing box 4 is provided with powder injecting ports 10 corresponding to the chambers one by one, the plurality of chambers are used for storing different medium material powders, and the powder injecting ports 10 are convenient for a worker to add material transporting powders.
In a preferred embodiment of the present invention, a driving pump 8 is disposed on one side of the workbench 1 adjacent to the slide rail 2, a piston rod 7 of the driving pump 8 is connected to the support rod 6, a length direction of the piston rod 7 is parallel to a length direction of the slide rail 2, and the driving pump 8 is used for the mixing roller 3 to slide along the slide rail 2, so as to implement powder spreading.
In a preferred embodiment of the invention, at least two powder spreading rollers 9 are provided, and the structure can make the powder spreading effect of the device of the invention better.
In a preferred embodiment of the invention, two dusting rollers 9 are arranged symmetrically with respect to the vertical plane on the mixing roller 3, so that the dusting effect is effectively increased.
In a preferred embodiment of the present invention, the supporting rod 6 is a telescopic rod, and can lock the length, and the distance between the powder spreading roller 9 and the upper surface of the working table 1 can be indirectly adjusted by adjusting the length of the supporting rod 6 during the use process, so as to improve the powder spreading effect.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (3)
1. The utility model provides a take SLS printer powder paving device of raw materials mixing mechanism which characterized in that, the powder paving device of SLS printer includes: the powder mixing device comprises a workbench (1), a powder containing box (4), a mixing roller (3) and a powder paving roller (9); the two opposite sides of the working platform (1) along the length direction are respectively provided with a slide rail (2), the two ends of the mixing roller (3) are respectively arranged in the sliding rail (2) through a supporting rod (6), the mixing roller (3) can slide along the slide rail (2), the powder containing box (4) is arranged above the mixing roller (3), the powder containing box (4) at least comprises two chambers, and each chamber is communicated with the mixing roller (3) through a conduit (5), the guide pipes (5) are provided with first control valves, the mixing roller (3) is provided with a stirring mechanism, an outlet (16) is arranged at the lower side of the mixing roller (3), a second control valve (15) is also arranged at the outlet (16), a powder spreading roller (9) is further arranged on the lower side of the mixing roller (3), and the powder spreading roller (9) is parallel to the mixing roller (3); the powder spreading rollers (9) are at least two, and the two powder spreading rollers (9) are symmetrically arranged on the mixing roller (3) relative to a vertical plane;
a partition plate (12) is arranged in the powder containing box (4) to divide the powder containing box (4) into a plurality of chambers, and powder injection ports (10) which correspond to the chambers one by one are arranged on the upper surface of the powder containing box (4); one side of the workbench (1) adjacent to the sliding rail (2) is provided with a driving pump (8), a piston rod (7) on the driving pump (8) is connected with the supporting rod (6), and the length direction of the piston rod (7) is parallel to the length direction of the sliding rail (2).
2. The SLS printer powder laying device with a material mixing mechanism according to claim 1, wherein the stirring mechanism includes: a driving motor (11), a rotating shaft (14) and a stirring blade (13); the rotating shaft (14) is arranged at the central shaft of the mixing roller (3), the driving motor (11) is arranged at the outer side of the mixing roller (3), an output shaft on the driving motor (11) is connected with the rotating shaft (14), and a plurality of stirring blades (13) are uniformly arranged on the circumferential surface of the rotating shaft (14).
3. The SLS printer powder spreading device with the raw material mixing mechanism according to claim 1, wherein the support rod (6) is a telescopic rod and can be locked in length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711195171.4A CN107901411B (en) | 2017-11-24 | 2017-11-24 | Take SLS printer of raw materials mixing mechanism to spread powder device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711195171.4A CN107901411B (en) | 2017-11-24 | 2017-11-24 | Take SLS printer of raw materials mixing mechanism to spread powder device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107901411A CN107901411A (en) | 2018-04-13 |
| CN107901411B true CN107901411B (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711195171.4A Active CN107901411B (en) | 2017-11-24 | 2017-11-24 | Take SLS printer of raw materials mixing mechanism to spread powder device |
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| CN (1) | CN107901411B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110549610B (en) * | 2018-06-04 | 2022-04-22 | 陕西恒通智能机器有限公司 | Powder supplying and spreading mechanism of laser sintering 3D printer |
| CN112222358B (en) * | 2020-09-29 | 2022-05-17 | 北京机科国创轻量化科学研究院有限公司 | 3D prints forming device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107031046A (en) * | 2017-05-19 | 2017-08-11 | 东北大学 | A kind of power spreading device of small-sized powdering formula 3D printer |
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- 2017-11-24 CN CN201711195171.4A patent/CN107901411B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107031046A (en) * | 2017-05-19 | 2017-08-11 | 东北大学 | A kind of power spreading device of small-sized powdering formula 3D printer |
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| CN107901411A (en) | 2018-04-13 |
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Effective date of registration: 20200515 Address after: 314200 room 609, building 7, Nanyuan world trade garden, Danghu street, Pinghu City, Jiaxing City, Zhejiang Province Applicant after: Pinghu Chaokai Technology Co.,Ltd. Address before: 241200 Anhui city of Wuhu province Fanchang County Economic Development Zone Applicant before: ANHUI KEYUAN 3D TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20200526 Address after: 210000 Kechuang building, Futian Road, Zhetang street, Lishui Economic Development Zone, Nanjing City, Jiangsu Province Applicant after: Nanjing Lishui hi tech Venture Capital Management Co.,Ltd. Address before: 314200 room 609, building 7, Nanyuan world trade garden, Danghu street, Pinghu City, Jiaxing City, Zhejiang Province Applicant before: Pinghu Chaokai Technology Co.,Ltd. |
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Effective date of registration: 20220620 Address after: 210000 288 Qinhuai Road, Yung Yang Street, Lishui District, Nanjing, Jiangsu Patentee after: Nanjing Tuojiang Technology Co.,Ltd. Address before: 210000 Kechuang building, Futian Road, Zhetang street, Lishui Economic Development Zone, Nanjing, Jiangsu Province Patentee before: Nanjing Lishui hi tech Venture Capital Management Co.,Ltd. |
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Effective date of registration: 20221222 Address after: No. 999, Taihu Road, Heze Development Zone, Heze City, Shandong Province 274000 (in the hospital of Heze Hengshun Auto Parts Co., Ltd.) Patentee after: Heze Tianjiao Color Printing Co.,Ltd. Address before: 210000 288 Qinhuai Road, Yung Yang Street, Lishui District, Nanjing, Jiangsu Patentee before: Nanjing Tuojiang Technology Co.,Ltd. |