CN113927046A - Rotary continuous powder laying double-powder-cylinder additive manufacturing forming device - Google Patents
Rotary continuous powder laying double-powder-cylinder additive manufacturing forming device Download PDFInfo
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- CN113927046A CN113927046A CN202111155942.3A CN202111155942A CN113927046A CN 113927046 A CN113927046 A CN 113927046A CN 202111155942 A CN202111155942 A CN 202111155942A CN 113927046 A CN113927046 A CN 113927046A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/22—Driving means
- B22F12/222—Driving means for motion along a direction orthogonal to the plane of a layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/40—Radiation means
- B22F12/41—Radiation means characterised by the type, e.g. laser or electron beam
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/40—Radiation means
- B22F12/44—Radiation means characterised by the configuration of the radiation means
- B22F12/45—Two or more
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/60—Planarisation devices; Compression devices
- B22F12/67—Blades
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- 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
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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
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- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
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- Optics & Photonics (AREA)
Abstract
The invention discloses a rotary continuous powder-spreading double-powder-cylinder additive manufacturing forming device which comprises a double-layer forming cylinder body and a forming system, wherein a through hole structure is arranged in the middle of the double-layer forming cylinder body, an annular through hole coaxial with the middle through hole is formed in the cylinder body wall of the double-layer forming cylinder body, the double-layer cylinder body structure is adopted, the simultaneous preparation of an annular piece and a round piece can be realized by utilizing the double-layer cylinder body structure, the double-layer cylinder body is coaxially arranged, the forming precision is high, the energy loss in the round forming process can be effectively prevented through an annular bin structure in the round structure forming process of an inner ring of the double-layer cylinder body, the energy is effectively utilized, the cost is saved, and meanwhile, the strain problem caused by sudden temperature drop in the round piece forming process can be prevented.
Description
Technical Field
The invention belongs to the technical field of additive manufacturing, and provides a rotary continuous powder-laying double-powder-cylinder additive manufacturing forming device which can realize two forming modes of annular powder laying and circular powder laying.
Background
The additive manufacturing technology integrates multiple subject technologies such as new materials, information and manufacturing, is praised as a representative technology expected to generate 'third industrial revolution', and is a leading technology for the development of a mass manufacturing mode to a personalized manufacturing mode. Metal additive manufacturing technology, being the most advanced and potential technology in the entire additive manufacturing system, is an important direction of development of advanced manufacturing technology. The composite material is suitable for near-net forming of complex components, and a formed part manufactured by adopting an additive manufacturing technology has excellent mechanical property, is suitable for rapid forming of various materials, and has high material utilization rate.
The Selective Laser Melting (SLM) technology is a typical representative of additive manufacturing, and converts a traditional three-dimensional manufacturing process into a planar manufacturing-cumulative stacking process, and realizes the manufacturing of three-dimensional complex precise parts by powder layer-by-layer melting, and is suitable for manufacturing metal parts with almost any complex shapes. Meanwhile, the SLM forming adopts small spot diameter and high forming precision, a complex thin-wall component with an opposite flow channel can be directly formed, the minimum wall thickness can reach 100 mu m, the performance of the formed component can reach the level of a forged piece with the same component, and the precision is far higher than that of a precision casting process. Therefore, the technology is widely applied to the fields of aerospace, medical treatment, molds, automobiles and the like, and is considered to be one of the fastest-developing and most potential-developing metal additive manufacturing technologies in recent years.
At present, additive manufacturing equipment adopts a full-width powder spreading forming mode, namely powder materials are required to be filled in the minimum enveloping cuboid of a forming part. For the annular parts, most of the annular parts are of thin-wall structures, the middle parts are hollow, the self weight is light, if a traditional powder laying mode is adopted, raw materials need to fill the enveloping volume of the whole part, the powder laying time is long, the material utilization rate is low, and finally the annular parts are low in forming efficiency and high in price, so that a forming method matched with the structural characteristics of the annular parts is urgently needed to be found.
Disclosure of Invention
The invention aims to provide a rotary continuous powder laying double-powder-cylinder additive manufacturing forming device to overcome the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a rotary continuous powder laying double-powder-cylinder additive manufacturing forming device comprises a double-layer forming cylinder body and a forming system, wherein a through hole structure is formed in the middle of the double-layer forming cylinder body, an annular through hole coaxial with the middle through hole is formed in the cylinder body wall of the double-layer forming cylinder body, a circular base plate is arranged in the middle through hole of the double-layer forming cylinder body, a circular base plate driving device is arranged at the lower end of the circular base plate, an annular base plate is arranged in the annular through hole of the double-layer forming cylinder body, and an annular base plate driving device is arranged at the lower end of the annular base plate; the forming system is fixed on the upper end of the double-layer forming cylinder body through the support and comprises an optical path system and a powder paving device, and the optical path system and the powder paving device are arranged at the upper end of the double-layer forming cylinder body.
Further, double-deck shaping cylinder body includes annular powder jar cylinder body and circular powder jar cylinder body, and circular powder jar cylinder body outside is located to annular powder jar cylinder body cover.
Further, the annular powder cylinder body comprises an outer cylinder body and an inner cylinder body, the outer cylinder body is coaxially nested on the outer ring of the inner cylinder body, and the inner wall of the outer cylinder body and the inner cylinder body form an annular powder cylinder forming bin; the shape powder cylinder body is nested on the inner wall of the inner cylinder body and is attached to the inner wall of the inner cylinder body.
Further, the support comprises a lateral upright post and a top supporting plate, an annular guide rail is arranged on the top supporting plate, the optical path system comprises a first optical path device and a second optical path device, the first optical path device is arranged on the annular guide rail through a sliding rail, and the annular guide rail is arranged right above the annular through hole; the second light path device is fixed on the top support, and the forming light path is located above the middle through hole of the double-layer forming cylinder body.
Further, annular base plate drive arrangement includes first lead screw and linking arm, and the outside of double-deck shaping cylinder body is equipped with vertical opening, and vertical opening and annular base plate bottom fixed connection are passed through to the one end of linking arm, and the other end and the first lead screw of linking arm rotate to be connected.
Further, a sealing belt is arranged at the vertical opening of the double-layer forming cylinder body.
Further, the sealing belt is made of a steel belt or a flat belt.
Furthermore, a plurality of first optical path devices capable of rotating around the axis of the annular guide rail simultaneously are arranged on the annular guide rail in a circumferential array mode.
Further, the second light path device is arranged right above the circular powder cylinder body through a support.
Further, spread powder device including powder storehouse and scraper, powder storehouse and scraper structure as an organic whole or powder structure.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention relates to a rotary continuous powder-spreading double-powder-cylinder additive manufacturing forming device which comprises a double-layer forming cylinder body and a forming system, wherein a through hole structure is arranged in the middle of the double-layer forming cylinder body, an annular through hole coaxial with the middle through hole is formed in the cylinder body wall of the double-layer forming cylinder body, the double-layer cylinder body structure is adopted, the simultaneous preparation of an annular piece and a round piece can be realized by utilizing the double-layer cylinder body structure, the double-layer cylinder body is coaxially arranged, the forming precision is high, the energy loss in the round forming process can be effectively prevented through an annular bin structure in the forming process of the round structure of the inner ring of the double-layer cylinder body, the energy is effectively utilized, the cost is saved, and meanwhile, the strain problem caused by sudden temperature drop in the round piece forming process can be prevented.
Further, the annular powder cylinder body comprises an outer cylinder body and an inner cylinder body, the outer cylinder body is coaxially nested on the outer ring of the inner cylinder body, and the inner wall of the outer cylinder body and the inner cylinder body form an annular powder cylinder forming bin; the shape powder cylinder body is nested on the inner wall of the inner cylinder body and is attached to the inner wall of the inner cylinder body, and the inner cylinder body structure is convenient to replace and adjust according to the size of a forming material.
Furthermore, the annular substrate driving device comprises a first lead screw and a connecting arm, and the structure is stable by utilizing the lead screw for transmission.
Drawings
Fig. 1 is a schematic perspective view of a molding apparatus according to an embodiment of the present invention.
FIG. 2 is a front view of an embodiment of the present invention;
FIG. 3 is a view showing the mounting of the cylinder block in the embodiment of the present invention;
fig. 4 is a top view of an embodiment of the present invention.
In the figure, 1, a left upright post, 2, a first lead screw, 3, a sealing belt, 4, an outer cylinder body, 5, an annular scraper, 6, an annular guide rail, 7, a top supporting plate, 8, a first optical path device, 9, a second optical path device, 10, a support, 11, a linear scraper, 12, a vertical opening, 13, a right upright post, 14, a connecting arm, 15, an annular base plate, 16, a circular base plate, 17, a printing material, 18, an inner cylinder body, 19, a second lead screw, 20, an annular powder cylinder body, 21 and a circular powder cylinder body.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
as shown in fig. 1 to 4, a rotary continuous powder-spreading double-powder-cylinder additive manufacturing forming device comprises a double-layer forming cylinder body and a forming system, wherein a through hole structure is formed in the middle of the double-layer forming cylinder body, an annular through hole coaxial with the middle through hole is formed in the cylinder body wall of the double-layer forming cylinder body, a circular base plate 16 is arranged in the middle through hole of the double-layer forming cylinder body, a circular base plate driving device is arranged at the lower end of the circular base plate 16 and used for driving the circular base plate 16 to vertically move up and down along the middle through hole of the double-layer forming cylinder body, an annular base plate 15 is arranged in the annular through hole of the double-layer forming cylinder body, and an annular base plate driving device is arranged at the lower end of the annular base plate 15 and used for driving the annular base plate 15 to vertically move up and down along the annular through hole of the double-layer forming cylinder body; the forming system is fixed on the upper end of the double-layer forming cylinder body through the support and comprises an optical path system and a powder paving device, the optical path system is arranged at the upper end of the double-layer forming cylinder body, a forming light beam can act on a middle through hole and an annular through hole of the double-layer forming cylinder body to realize laser forming, and the powder paving device is arranged at the upper end of the double-layer forming cylinder body. This application is through adopting double-deck type cylinder body structure, utilizes double-deck cylinder body structure to realize preparation when ring-forming piece and circular member, and the coaxial setting of double-deck type cylinder body, and the shaping precision is high, and the circular structure forming process of double-deck type cylinder body inner circle in, can effectively prevent through annular storehouse structure that circular forming process in the energy scatters and disappears, has effectively utilized the energy, has practiced thrift the cost, can prevent simultaneously that circular member forming process temperature suddenly drops and the strain problem that brings.
The double-layer forming cylinder body comprises an annular powder cylinder body 20 and a circular powder cylinder body 21, and the circular powder cylinder body 21 is sleeved with the annular powder cylinder body 20.
Specifically, the annular powder cylinder body 20 comprises an outer cylinder body 4 and an inner cylinder body 18, the outer cylinder body 4 is coaxially nested on the outer ring of the inner cylinder body 18, and the inner wall of the outer cylinder body 4 and the inner cylinder body 18 form an annular powder cylinder forming bin; the shape powder cylinder body 21 is nested on the inner wall of the inner cylinder body 18 and is attached to the inner wall of the inner cylinder body 18 to form a circular molding bin; or the circular powder cylinder body 21 and the outer cylinder body 4 are of an integral structure, and the outer cylinder body 4 and the inner cylinder body 18 form a double-ring structure.
The support comprises a lateral upright post and a top supporting plate 7, an annular guide rail 6 is arranged on the top supporting plate 7, the optical path system comprises a first optical path device 8 and a second optical path device 9, the first optical path device 8 and the second optical path device 9 can adopt a laser former or a galvanometer forming system, the first optical path device 8 is arranged on the annular guide rail 6 through a sliding rail and can slide along the annular guide rail 6, and the annular guide rail 6 is arranged right above the annular through hole; the second optical path device 9 is fixed on the top support 7, and the forming optical path is positioned above the middle through hole of the double-layer forming cylinder body. The shaped optical path of the first optical circuit 8 acts on the shaped layer on the annular substrate 15 and the shaped optical path of the second optical circuit 9 acts on the shaped layer on the circular substrate 16.
The outer cylinder 4 is larger in diameter than the inner cylinder 18, and the two are equal in height and coaxial, together forming an annular cylinder 20.
The side direction stand includes left stand 1 and right stand 13, and top support plate 7 sets up directly over left stand 1 and right stand 13, and first optical path ware 8 passes through annular guide 6 and sets up in top support plate 7 top. The annular cylinder 20 is located below the top support plate 7; an annular base plate 15 is provided in an annular region between the outer cylinder 4 and the inner cylinder 18.
Annular base plate drive arrangement includes first lead screw 2 and linking arm 14, and the outside of double-deck shaping cylinder body is equipped with vertical opening 12, and vertical opening 12 and 5 bottom fixed connection of annular base plate are passed through to the one end of linking arm 14, and the other end and the first lead screw 2 of linking arm 14 rotate to be connected, utilize the 14 vertical removal of first lead screw 2 drive linking arm to drive annular base plate 5 and reciprocate. The sealing belt 3 is arranged at the vertical opening 12 of the double-layer forming cylinder body and used for sealing a gap between the vertical opening 12 and the connecting arm 14 and preventing powder from entering the bottom of the annular bin in the forming process. The distance between the upper end of the vertical opening 12 and the forming surface of the annular substrate 5 is larger than the maximum powder layer spreading thickness on the annular substrate 5, so that the powder layer spreading of the annular substrate 5 is completely positioned in the annular through hole in the forming process, and powder is prevented from being scattered from the vertical opening 12. The connecting arm 14 drives the annular base plate 15 to move up and down together under the driving traction of the first lead screw 2. The upper and lower ends of the sealing tape 3 are fixedly attached to the upper and lower ends of the vertical opening 12 for preventing the printing material 17 from leaking.
A plurality of first lead screws 2 are arrayed on the outer side of the double-layer forming cylinder body, the axes of the first lead screws 2 are parallel to the axis of the outer cylinder body 4, the number of the first lead screws 2 can be two or more, the annular substrate 15 is driven by the plurality of first lead screws 2 and the connecting arms 14, the structure is stable, and stable forming is facilitated;
the circular base plate driving device comprises a second lead screw 19, one end of the second lead screw 19 is fixedly connected with the lower end of the circular base plate 16, the circular base plate 16 is arranged in the inner cylinder body 18 through the second lead screw 19, and the circular base plate 19 is driven to move up and down under the driving traction of the second lead screw 19.
The connecting arms 14 extend into the outer cylinder 4 through the vertical openings 12 and are fixedly connected with the annular base plate 15, and the number of the connecting arms 14 is equal to that of the vertical openings 12.
The sealing belt 3 is a steel belt or a flat belt, the steel belt is of a steel belt structure, the steel belt is fixed on the connecting arm 14 and moves up and down along with the connecting arm 14, and the length of the steel belt is larger than the movement stroke of the connecting arm 14; the structure of the flat belt is adopted, an opening is formed in the middle, the connecting arm 14 is attached to the middle opening of the flat belt to slide up and down, and the middle of the flat belt is automatically attached after sliding, so that a sealing structure is formed.
A plurality of first optical path devices 8 are arranged on the annular guide rail 6 in a circumferential array and can rotate around the axis of the annular guide rail 6 at the same time, so that an annular scanning process is realized, and the scanning efficiency is improved.
The second optical path 9 is arranged right above the circular powder cylinder body 21 through the bracket 10.
The first optical path 8 is responsible for the scanning formation in the area of the annular powder cylinder 20 and the second optical path 9 is responsible for the scanning formation in the area of the circular powder cylinder 21.
The powder spreading device comprises a powder bin and a scraper, the powder bin and the scraper are of an integrated structure or a powder structure, and the powder bin and the scraper rotate together along a forming bin body of the double-layer forming cylinder body to spread powder and scrape the powder; the powder bin and the scraper are arranged at the upper end of the double-layer forming cylinder body through independent driving mechanisms, and powder can be synchronously paved and scraped; and the powder can be scraped while the powder is spread synchronously.
Specifically, as shown in fig. 1, the upper end of the annular through hole is provided with an annular scraper 5, the annular scraper 5 is arranged right above the side generatrix of the outer cylinder body 4 and the inner cylinder body 18 and can rotate around the axis of the outer cylinder body 4, so that the annular powder spreading process is realized;
a straight line scraper 11 is arranged on a middle through hole of the double-layer forming cylinder body, the straight line scraper 11 is arranged above the inner cylinder body 18 to do straight line powder spreading movement, and the stroke of the straight line scraper can cover the area of the circular cylinder body 21.
The powder spreading device comprises two powder cylinder forms of an annular powder cylinder body and a circular powder cylinder body, wherein in the forming process, an annular powder spreading bin (an annular through hole) or a circular powder spreading bin (a middle through hole) or both the annular powder spreading bin and the circular powder spreading bin are selected according to the requirements of formed parts, when the annular parts are formed, the upper end of a circular base plate 16 in the middle through hole is flush with the upper surface of a double-layer formed cylinder body, then powder is spread on an annular base plate 15, and the powder is formed by using a first optical path device, so that the structure is simple, or the middle through hole is used as a powder recovery bin, and the collection of redundant powder is realized; in a similar way, for the molding of circular materials, the powder laying layer in the middle through hole is molded by utilizing the second optical path device, and the annular powder laying bin is used as a powder recovery bin, so that complementary utilization can be realized.
The annular sub-cylinder can be used for forming annular thin-wall characteristic parts, so that the powder spreading breadth is effectively reduced, the consumption volume of raw materials is reduced, and the material utilization rate and the scanning forming efficiency are greatly improved; the circular powder cylinder body can meet the forming requirement of common solid parts.
Claims (10)
1. A rotary continuous powder laying double-powder-cylinder additive manufacturing forming device is characterized by comprising a double-layer forming cylinder body and a forming system, wherein the middle of the double-layer forming cylinder body is of a through hole structure, an annular through hole coaxial with the middle through hole is formed in the cylinder body wall of the double-layer forming cylinder body, a circular base plate (16) is arranged in the middle through hole of the double-layer forming cylinder body, a circular base plate driving device is arranged at the lower end of the circular base plate (16), an annular base plate (15) is arranged in the annular through hole of the double-layer forming cylinder body, and an annular base plate driving device is arranged at the lower end of the annular base plate (15); the forming system is fixed on the upper end of the double-layer forming cylinder body through the support and comprises an optical path system and a powder paving device, and the optical path system and the powder paving device are arranged at the upper end of the double-layer forming cylinder body.
2. The rotary continuous powder-spreading double-powder-cylinder additive manufacturing forming device as claimed in claim 1, wherein the double-layer forming cylinder comprises an annular powder cylinder body (20) and a circular powder cylinder body (21), and the annular powder cylinder body (20) is sleeved outside the circular powder cylinder body (21).
3. The rotary continuous powder-laying double-powder-cylinder additive manufacturing forming device is characterized in that the annular powder cylinder body (20) comprises an outer cylinder body (4) and an inner cylinder body (18), the outer cylinder body (4) is coaxially nested on the outer ring of the inner cylinder body (18), and the inner wall of the outer cylinder body (4) and the inner cylinder body (18) form an annular powder cylinder forming bin; the powder cylinder body (21) is nested on the inner wall of the inner cylinder body (18) and is attached to the inner wall of the inner cylinder body (18).
4. The rotary continuous powder-spreading double-powder-cylinder additive manufacturing forming device is characterized in that the bracket comprises a lateral upright post and a top supporting plate (7), an annular guide rail (6) is arranged on the top supporting plate (7), the optical path system comprises a first optical path device (8) and a second optical path device (9), the first optical path device (8) is arranged on the annular guide rail (6) through a sliding rail, and the annular guide rail (6) is arranged right above the annular through hole; the second optical path device (9) is fixed on the top support (7), and the forming optical path is positioned above the middle through hole of the double-layer forming cylinder body.
5. The rotary continuous powder-spreading double-powder-cylinder additive manufacturing and forming device as claimed in claim 1, wherein the annular base plate driving device comprises a first lead screw (2) and a connecting arm (14), a vertical opening (12) is formed in the outer side of the double-layer forming cylinder body, one end of the connecting arm (14) is fixedly connected with the bottom of the annular base plate (5) through the vertical opening (12), and the other end of the connecting arm (14) is rotatably connected with the first lead screw (2).
6. A rotary continuous powder laying double powder cylinder additive manufacturing forming device according to claim 5, characterized in that a sealing belt (3) is arranged at the vertical opening (12) of the double forming cylinder.
7. A rotary continuous powder-laying double-powder-cylinder additive manufacturing forming device according to claim 6, characterized in that the sealing belt (3) is a steel belt or a flat belt.
8. A rotary continuous powder-spreading double-powder-cylinder additive manufacturing forming device as claimed in claim 4, wherein a plurality of first optical paths (8) capable of rotating around the axis of the annular guide rail (6) simultaneously are arranged on the annular guide rail (6) in a circumferential array.
9. A rotary continuous powder-laying double-powder-cylinder additive manufacturing forming device as claimed in claim 1, wherein the second optical path device (9) is arranged right above the circular powder-cylinder body (21) through a bracket (10).
10. The rotary continuous powder laying double-powder-cylinder additive manufacturing forming device as claimed in claim 1, wherein the powder laying device comprises a powder bin and a scraper, and the powder bin and the scraper are of an integrated structure or a powder structure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111155942.3A CN113927046B (en) | 2021-09-29 | 2021-09-29 | Rotary continuous powder laying double-powder-cylinder additive manufacturing forming device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111155942.3A CN113927046B (en) | 2021-09-29 | 2021-09-29 | Rotary continuous powder laying double-powder-cylinder additive manufacturing forming device |
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| CN113927046A true CN113927046A (en) | 2022-01-14 |
| CN113927046B CN113927046B (en) | 2023-03-28 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104668563A (en) * | 2015-02-13 | 2015-06-03 | 华中科技大学 | High-energy beam additive manufacturing method and equipment with high powder raw material utilization rate |
| CN107159890A (en) * | 2017-07-20 | 2017-09-15 | 华东理工大学 | A kind of working cylinder and table top changing method of variable table top scope |
| CN107262717A (en) * | 2017-08-08 | 2017-10-20 | 重庆大学 | Subregion lifts into form selective laser melting workbench |
| WO2020099732A1 (en) * | 2018-11-16 | 2020-05-22 | Gmp Ingenierie | Removable adaptive additive manufacturing platform for equipment for metal additive manufacture by laser fusion |
| CN112108648A (en) * | 2020-08-21 | 2020-12-22 | 西安交通大学 | Annular powder-laying selective laser melting forming device |
-
2021
- 2021-09-29 CN CN202111155942.3A patent/CN113927046B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104668563A (en) * | 2015-02-13 | 2015-06-03 | 华中科技大学 | High-energy beam additive manufacturing method and equipment with high powder raw material utilization rate |
| CN107159890A (en) * | 2017-07-20 | 2017-09-15 | 华东理工大学 | A kind of working cylinder and table top changing method of variable table top scope |
| CN107262717A (en) * | 2017-08-08 | 2017-10-20 | 重庆大学 | Subregion lifts into form selective laser melting workbench |
| WO2020099732A1 (en) * | 2018-11-16 | 2020-05-22 | Gmp Ingenierie | Removable adaptive additive manufacturing platform for equipment for metal additive manufacture by laser fusion |
| CN112108648A (en) * | 2020-08-21 | 2020-12-22 | 西安交通大学 | Annular powder-laying selective laser melting forming device |
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| CN113927046B (en) | 2023-03-28 |
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