CN110948856B - 3D is raw materials recovery processing device for metal printer - Google Patents
3D is raw materials recovery processing device for metal printer Download PDFInfo
- Publication number
- CN110948856B CN110948856B CN201911332629.5A CN201911332629A CN110948856B CN 110948856 B CN110948856 B CN 110948856B CN 201911332629 A CN201911332629 A CN 201911332629A CN 110948856 B CN110948856 B CN 110948856B
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- plate
- charging basket
- processing device
- collecting barrel
- screw rod
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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
- B22F10/70—Recycling
- B22F10/73—Recycling of powder
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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
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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
- B22F12/30—Platforms or substrates
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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
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
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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 invention discloses a raw material recovery processing device for a 3D metal printer, which comprises a bottom plate and a printing platform, wherein the printing platform is arranged on the upper surface of the bottom plate, a shoveling component is arranged on one side of the printing platform on the upper surface of the bottom plate, the shoveling component comprises a vertical plate, a lead screw is rotatably arranged in the vertical plate, a push plate is rotatably arranged on one side of the lead screw, an electric heating wire is arranged in the push plate, a first motor is fixedly arranged on one side of the vertical plate and is in transmission connection with the lead screw, a collecting barrel is slidably arranged on the bottom surface of the bottom plate, a guide shaft is rotatably arranged in the collecting barrel, a spiral sheet is arranged on the surface of the guide shaft, the outer ring of the spiral sheet is in clearance fit with the inner wall of the collecting barrel, a discharge opening is formed in one side of the bottom of the collecting barrel, a sieve plate is fixedly arranged at the bottom of the discharge opening, one end of the guide shaft is positioned outside the collecting barrel, and is fixedly connected with a third motor, the raw materials are recycled and reused.
Description
Technical Field
The invention belongs to the technical field of 3D printers, and particularly relates to a raw material recovery processing device for a 3D metal printer.
Background
The rapid forming is a leap of the manufacturing technology, and a brand new thinking mode is provided on the basis of the forming principle, so that a new opportunity is created for the development of the manufacturing technology. Since the development of the concept of additive material forming in the early 80 s of the last century, researchers developed many rapid prototyping technologies, collectively referred to as 3D printing. Among them, the laser solidification molding technique is an important one.
The laser solidification molding technology is to spray a layer of powdery raw material, solidify the powdery raw material according to the design of a drawing by using high energy of laser irradiation, and repeatedly repeat the process to solidify and stack the powdery raw material layer by layer to finally form a 3D model.
In the forming process, a part of the powdery raw materials of each layer are not solidified, and the raw materials which are not solidified can be recycled; in addition, in the process of polishing the 3D stereoscopic model at the later stage, some chips are generated, and the recovery work is generally completed manually at the present stage, so that the time and the labor are wasted.
Therefore, the raw material recovery processing device for the 3D metal printer is provided for solving the problems in the prior art, a group of push plates with heating functions are arranged on a printing platform to eradicate the scraps and push the scraps into a collecting barrel below the printing platform, and a spiral roller is arranged in the collecting barrel to roll the scraps to blend the scraps into a charging barrel for recycling; the conveying platform is arranged at the bottom of the charging basket, the electromagnet provided with the spring is arranged between the charging basket and the collecting barrel, the charging basket is convenient to collect and output from the printer, and time and labor are saved.
Disclosure of Invention
The invention aims to provide a raw material recovery processing device for a 3D metal printer, which aims to solve the problems that in the prior art, part of powdery raw materials of each layer are not solidified in the forming process, and the raw materials which are not solidified can be recovered and reused; in addition, in the process of carrying out post polishing on the 3D stereoscopic model, a plurality of chips are generated, and the recovery work is generally completed manually at the present stage, so that the problems of time and labor waste are solved.
In order to achieve the purpose, the invention adopts the following technical scheme: a raw material recovery processing device for a 3D metal printer comprises a bottom plate and a printing platform, wherein the printing platform is arranged on the upper surface of the bottom plate, and a shoveling component is arranged on one side, located on the printing platform, of the upper surface of the bottom plate;
the material shoveling assembly comprises a vertical plate, a screw rod is rotatably mounted in the vertical plate, a push plate is rotatably mounted on one side of the screw rod, an electric heating wire is arranged in the push plate, a first motor is fixedly mounted on one side of the vertical plate, and the first motor is in transmission connection with the screw rod;
the collecting cylinder is slidably mounted on the bottom surface of the bottom plate, a guide shaft is rotatably mounted in the collecting cylinder, a spiral sheet is arranged on the surface of the guide shaft, the outer ring of the spiral sheet is in clearance fit with the inner wall of the collecting cylinder, a discharge hole is formed in one side of the bottom of the collecting cylinder, a sieve plate is fixedly mounted at the bottom of the discharge hole, and one end of the guide shaft, which is positioned outside the collecting cylinder, is fixedly connected with a third motor;
A charging basket is arranged at the bottom of the collecting barrel below the discharge port, two groups of electromagnets are symmetrically arranged at the top of the charging basket, two groups of electromagnets are fixedly arranged at the bottom of the charging basket, and springs are respectively and fixedly arranged at the top and the bottom of the charging basket and the electromagnets;
the charging basket is provided with a conveying assembly, the conveying assembly comprises a conveying belt, conveying shafts are fixedly mounted at two ends of the conveying belt, and a second motor is fixedly mounted at one end of each of the conveying shafts.
Preferably, a first synchronous pulley and a second synchronous pulley are fixedly mounted at the output shaft end of the first motor and the surface of the screw rod respectively, and a synchronous belt is connected between the first synchronous pulley and the second synchronous pulley in a transmission manner.
Preferably, a rotary sleeve is rotatably arranged in the vertical plate at the penetrating position of the screw rod, the rotary sleeve is in threaded connection with the screw rod, and the second synchronous belt pulley is fixedly arranged on one side of the rotary sleeve.
Preferably, a cavity is formed in the push plate, and the electric heating wire is fixedly installed in the cavity through a support.
Preferably, two sets of electric sliding tables are symmetrically installed on the bottom surface of the bottom plate, the collecting cylinder is of a circular hollow structure, connecting plates are symmetrically arranged at the top of the collecting cylinder, and the connecting plates are fixedly connected with the two sets of electric sliding tables respectively.
Preferably, the bottom of the collecting cylinder is symmetrically provided with iron blocks at two sides of the discharge opening, and the upper surface of the conveying belt is also fixedly provided with two groups of iron blocks.
Preferably, a guide assembly is arranged between the push plate and the vertical plate and comprises a guide sleeve, a guide shaft is slidably mounted in the guide sleeve, one end of the guide sleeve is fixedly mounted on one side of the push plate, and one end of the guide shaft is fixedly mounted on one side of the vertical plate.
Preferably, a material guide pipe is fixedly installed between the two groups of electromagnets at the top of the charging basket, and the outer diameter of the material guide pipe is larger than the inner diameter of the discharge port.
Preferably, a limiting plate is fixedly mounted at one end, far away from the push plate, of the screw rod, and the limiting plate is fixedly connected with the screw rod through a screw.
The invention has the technical effects and advantages that: compared with the prior art, the raw material recovery processing device for the 3D metal printer has the following advantages:
1. a group of push plates with heating functions are arranged on the printing platform to shovel the scraps and push the scraps into a collecting barrel below the printing platform, and a spiral roller is arranged in the collecting barrel to roll and blend the scraps into a charging basket for recycling;
2. the conveying platform is arranged at the bottom of the charging basket, the electromagnet provided with the spring is arranged between the charging basket and the collecting barrel, the charging basket is convenient to collect and output from the printer, and time and labor are saved.
Drawings
FIG. 1 is a schematic structural diagram of a front view of a raw material recycling device for a 3D metal printer according to the present invention;
FIG. 2 is a schematic sectional view of a collecting barrel of the raw material recycling device for a 3D metal printer according to the present invention;
FIG. 3 is a schematic side sectional view of a collecting barrel of the raw material recycling device for a 3D metal printer according to the present invention;
FIG. 4 is a schematic sectional view of a shovel assembly of the raw material recycling device for a 3D metal printer according to the present invention;
FIG. 5 is a schematic top view of a conveying assembly of the raw material recycling device for a 3D metal printer according to the present invention;
fig. 6 is an enlarged schematic structural diagram of a part a in fig. 1 of a raw material recycling device for a 3D metal printer according to the present invention.
In the figure: 1. a base plate; 2. a printing platform; 3. a shoveling component; 301. a vertical plate; 302. a screw rod; 303. pushing the plate; 304. an electric heating wire; 305. a first motor; 306. a first timing pulley; 307. a second timing pulley; 308. a synchronous belt; 309. a rotating sleeve; 310. a cavity; 311. a support; 4. a collection canister; 5. a guide shaft; 6. a spiral sheet; 7. a discharge outlet; 8. a sieve plate; 9. a charging basket; 10. an electromagnet; 11. a material guide pipe; 12. a spring; 13. a delivery assembly; 1301. a conveyor belt; 1302. a delivery shaft; 1303. a second motor; 14. an electric sliding table; 15. a connecting plate; 16. an iron block; 17. a guide assembly; 1701. a guide sleeve; 1702. a guide shaft; 18. a limiting plate; 19. a third motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. 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.
The invention provides a raw material recovery processing device for a 3D metal printer, which comprises a bottom plate 1 and a printing platform 2, wherein the printing platform 2 is arranged on the upper surface of the bottom plate 1, and a shoveling component 3 is arranged on one side, located on the printing platform 2, of the upper surface of the bottom plate 1.
The material shoveling component 3 comprises a vertical plate 301, a screw rod 302 is rotatably installed in the vertical plate 301, a push plate 303 is rotatably installed on one side of the screw rod 302, an electric heating wire 304 is arranged in the push plate 303, a cavity 310 is formed in the push plate 303, the electric heating wire 304 is fixedly installed in the cavity 310 through a support 311, a first motor 305 is fixedly installed on one side of the vertical plate 301, a rotary sleeve 309 is rotatably installed in the vertical plate 301 at the penetrating position of the screw rod 302, the rotary sleeve 309 is in threaded connection with the screw rod 302, a second synchronous pulley 307 is fixedly installed on one side of the rotary sleeve 309, the first motor 305 is in transmission connection with the screw rod 302, a first synchronous pulley 306 and a second synchronous pulley 307 are respectively fixedly installed at the output shaft end of the first motor 305 and the surface of the screw rod 302, a synchronous belt 308 is in transmission connection between the first synchronous pulley 306 and the second synchronous pulley 307, a guide component 17 is arranged between the push plate 303 and the vertical plate 301, the guide component 17 comprises a guide sleeve 1701, a guide shaft 1702 is slidably mounted in the guide sleeve 1701, one end of the guide sleeve 1701 is fixedly mounted on one side of the push plate 303, one end of the guide shaft 1702 is fixedly mounted on one side of the vertical plate 301, and the guide assembly 17 is arranged to prevent the screw rod 302 from rotating, ensure the motion track of the push plate 303 and prevent the synchronous rotation of the push plate 303; and a limiting plate 18 is fixedly arranged at one end of the screw rod 302 far away from the push plate 303, and the limiting plate 18 is fixedly connected with the screw rod 302 through a screw.
The collecting cylinder 4 is slidably mounted on the bottom surface of the bottom plate 1, two groups of electric sliding tables 14 are symmetrically mounted on the bottom surface of the bottom plate 1, the collecting cylinder 4 is of a circular hollow structure, connecting plates 15 are symmetrically arranged on the top of the collecting cylinder 4, the two groups of connecting plates 15 are respectively and fixedly connected with the two groups of electric sliding tables 14, a guide shaft 5 is rotatably mounted in the collecting cylinder 4, a spiral sheet 6 is arranged on the surface of the guide shaft 5, the outer ring of the spiral sheet 6 is in clearance fit with the inner wall of the collecting cylinder 4, a discharge hole 7 is formed in one side of the bottom of the collecting cylinder 4, a sieve plate 8 is fixedly mounted at the bottom of the discharge hole 7 and provided with the sieve plate 8, and the recovered and rolled raw materials are screened to be of recyclable particle size; one end of the guide shaft 5 is positioned outside the collecting cylinder 4, and one end of the guide shaft is fixedly connected with a third motor 19.
Collecting cylinder 4 bottom is located bin outlet 7 below and is provided with charging basket 9, and charging basket 9 top symmetry is provided with two sets of electro-magnets 10, and also fixed mounting has two sets of electro-magnets 10 in charging basket 9 bottom, and electro-magnet 10 has spring 12 with the equal fixed mounting in top and the bottom of charging basket 9 respectively, and fixed mounting has passage 11 between charging basket 9 top is located two sets of electro-magnets 10, and the external diameter of passage 11 is greater than the internal diameter of bin outlet 7, starts electro-magnet 10, makes passage 11 and charging basket 9 bottom laminating connect the material.
The charging basket 9 is provided with a conveying assembly 13, the conveying assembly 13 comprises a conveying belt 1301, conveying shafts 1302 are fixedly mounted at two ends of the conveying belt 1301, one end of each group of conveying shafts 1302 is fixedly provided with a second motor 1303, the bottom of the collecting cylinder 4 is located at two sides of the discharge hole 7, iron blocks 16 are symmetrically mounted at two sides of the discharge hole, two groups of iron blocks 16 are fixedly mounted on the upper surface of the conveying belt 1301, and the iron blocks 16 are matched with the electromagnet 10 for use.
The structure principle is as follows: the printing platform 2 is provided with a group of push plates 303 with a heating function to remove the scraps on the printing platform 2, and the printed raw material residues are adhered to the printing platform 2, so that the electric heating wires 304 are arranged in the push plates 303 to heat the push plates 303, the scraping is convenient, the first motor 305 is started, the screw rod 302 can be driven to rotate, the push plates 303 are driven to generate certain displacement, the scraps and the residual printing raw materials are pushed into the collecting barrel 4 below the printing platform 2, the guide shaft 5 provided with the spiral sheet 6 is arranged in the collecting barrel 4, and the third motor 19 is started, so that the scraps and the residual printing raw materials can be rolled and guided out, and can be automatically recycled;
set up sieve 8 in bin outlet 7 bottom, set up charging basket 9 in sieve 8 bottom, utilize between electromagnet 10 is fixed in the collecting vessel 4 and conveyer belt 1301 with charging basket 9, during the unloading, start the electro-magnet 10 at charging basket 9 top, connect the material to accomplish the back, close the electro-magnet 10 at charging basket 9 top and start the electro-magnet 10 of charging basket 9 bottom, start second motor 1303, with charging basket 9 output printing apparatus, be convenient for to the recovery of raw materials, labour saving and time saving.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a 3D is raw materials recovery processing device for metal printer, includes bottom plate (1) and print platform (2), its characterized in that: the printing platform (2) is arranged on the upper surface of the bottom plate (1), and a shoveling component (3) is arranged on one side, located on the printing platform (2), of the upper surface of the bottom plate (1);
the material shoveling assembly (3) comprises a vertical plate (301), a screw rod (302) is rotatably mounted in the vertical plate (301), a push plate (303) is rotatably mounted on one side of the screw rod (302), an electric heating wire (304) is arranged in the push plate (303), a first motor (305) is fixedly mounted on one side of the vertical plate (301), the first motor (305) is in transmission connection with the screw rod (302), and scraps on the printing platform are shoveled by the push plate (303) with a heating function;
A guide assembly (17) is arranged between the push plate (303) and the vertical plate (301), the guide assembly (17) comprises a guide sleeve (1701), a guide shaft (1702) is slidably mounted in the guide sleeve (1701), one end of the guide sleeve (1701) is fixedly mounted on one side of the push plate (303), and one end of the guide shaft (1702) is fixedly mounted on one side of the vertical plate (301);
a collecting barrel (4) is slidably mounted on the bottom surface of the bottom plate (1), a guide shaft (5) is rotatably mounted in the collecting barrel (4), spiral sheets (6) are arranged on the surface of the guide shaft (5), the outer ring of each spiral sheet (6) is in clearance fit with the inner wall of the collecting barrel (4), a discharge hole (7) is formed in one side of the bottom of the collecting barrel (4), a sieve plate (8) is fixedly mounted at the bottom of the discharge hole (7), and one end of the guide shaft (5) outside the collecting barrel (4) is fixedly connected with a third motor (19);
a charging basket (9) is arranged below a discharge opening (7) of the collecting barrel (4), two groups of electromagnets (10) are symmetrically arranged at the top of the charging basket (9), springs (12) are fixedly arranged at the two groups of electromagnets (10) at the top of the charging basket (9) and the top of the charging basket (9), two groups of electromagnets (10) are also fixedly arranged at the bottom of the charging basket (9), and springs (12) are also fixedly arranged at the two groups of electromagnets (10) at the bottom of the charging basket (9) and the bottom of the charging basket (9);
The charging basket (9) is provided with a conveying assembly (13), the conveying assembly (13) comprises a conveying belt (1301), conveying shafts (1302) are fixedly mounted at two ends of the conveying belt (1301), and a second motor (1303) is fixedly mounted at one end of one group of the conveying shafts (1302).
2. The raw material recovery processing device for the 3D metal printer according to claim 1, characterized in that: a first synchronous pulley (306) is fixedly installed at an output shaft end of the first motor (305), a second synchronous pulley (307) is fixedly installed on the surface of the screw rod (302), and a synchronous belt (308) is connected between the first synchronous pulley (306) and the second synchronous pulley (307) in a transmission mode.
3. The raw material recovery processing device for the 3D metal printer according to claim 2, characterized in that: the vertical plate (301) is internally provided with a rotary sleeve (309) at the penetrating position of the screw rod (302), the rotary sleeve (309) is in threaded connection with the screw rod (302), and the second synchronous belt wheel (307) is fixedly arranged on one side of the rotary sleeve (309).
4. The raw material recovery processing device for the 3D metal printer according to claim 1, characterized in that: a cavity (310) is formed in the push plate (303), and the electric heating wire (304) is fixedly arranged in the cavity (310) through a support (311).
5. The raw material recovery processing device for the 3D metal printer according to claim 1, characterized in that: two sets of electronic slip tables (14) are installed to bottom plate (1) bottom surface symmetry, collecting cylinder (4) are circular hollow structure setting, collecting cylinder (4) top symmetry is provided with connecting plate (15), and is two sets of connecting plate (15) respectively with two sets of electronic slip tables (14) fixed connection.
6. The raw material recovery processing device for the 3D metal printer according to claim 1, characterized in that: iron blocks (16) are symmetrically arranged at two sides of the discharge opening (7) at the bottom of the collecting barrel (4), and two groups of iron blocks (16) are fixedly arranged on the upper surface of the conveying belt (1301).
7. The raw material recovery processing device for the 3D metal printer according to claim 1, characterized in that: a material guide pipe (11) is fixedly installed between the two groups of electromagnets (10) at the top of the charging basket (9), and the outer diameter of the material guide pipe (11) is larger than the inner diameter of the discharge opening (7).
8. The raw material recovery processing device for the 3D metal printer according to claim 1, characterized in that: and a limiting plate (18) is fixedly mounted at one end, far away from the push plate (303), of the screw rod (302), and the limiting plate (18) is fixedly connected with the screw rod (302) through a screw.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911332629.5A CN110948856B (en) | 2019-12-22 | 2019-12-22 | 3D is raw materials recovery processing device for metal printer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911332629.5A CN110948856B (en) | 2019-12-22 | 2019-12-22 | 3D is raw materials recovery processing device for metal printer |
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| CN110948856A CN110948856A (en) | 2020-04-03 |
| CN110948856B true CN110948856B (en) | 2022-06-10 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111906297A (en) * | 2020-06-23 | 2020-11-10 | 哈尔滨鼎智瑞光科技有限公司 | Metal 3D printer convenient to send powder |
| CN111906313A (en) * | 2020-06-23 | 2020-11-10 | 哈尔滨鼎智瑞光科技有限公司 | Metal 3D printer metal powder collection device convenient to retrieve |
| CN112590218A (en) * | 2020-12-17 | 2021-04-02 | 南京爱克威文化发展有限公司 | 3D printer table surface waste material clearance collection processing apparatus |
| CN112810153A (en) * | 2021-01-21 | 2021-05-18 | 芜湖市爱三迪电子科技有限公司 | 3D prints and uses raw materials conveyor |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20160112797A (en) * | 2015-03-20 | 2016-09-28 | 엘지전자 주식회사 | 3d printer |
| US9469076B1 (en) * | 2015-04-22 | 2016-10-18 | Xerox Corporation | System for cleaning cart drive components in three-dimensional object printing systems |
| CN108407287B (en) * | 2017-02-09 | 2020-03-31 | 三纬国际立体列印科技股份有限公司 | Three-dimensional printing device |
| CN207140363U (en) * | 2017-08-23 | 2018-03-27 | 顾嘉豪 | Printing consumables recovery system |
| CN107695352B (en) * | 2017-10-17 | 2023-08-29 | 安徽工程大学 | Waste recycling device for 3D printer |
| CN108621341B (en) * | 2018-05-02 | 2020-01-10 | 湖南以祥科技有限公司 | 3D prints with model discarded object crushing treatment device that moulds plastics |
| CN109291315A (en) * | 2018-09-20 | 2019-02-01 | 黄笑甜 | A kind of printing consumables waste material recycling device |
| CN209141298U (en) * | 2018-11-08 | 2019-07-23 | 深圳市比速新能源科技有限公司 | Waste material collection device is used in a kind of production of LED lamp cover |
| CN109648855B (en) * | 2019-01-09 | 2021-01-26 | 贵州工程应用技术学院 | Can clear up formula 3D printing device automatically |
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