CN114571574A - Photocuring multi-material 3D printer - Google Patents

Photocuring multi-material 3D printer Download PDF

Info

Publication number
CN114571574A
CN114571574A CN202011400294.9A CN202011400294A CN114571574A CN 114571574 A CN114571574 A CN 114571574A CN 202011400294 A CN202011400294 A CN 202011400294A CN 114571574 A CN114571574 A CN 114571574A
Authority
CN
China
Prior art keywords
printing
module
printer
transmission belt
scraper
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011400294.9A
Other languages
Chinese (zh)
Inventor
李伶
刘时浩
徐元春
王营营
王守兴
曹守刚
吕佳琪
隋松林
陈云锋
屈忠宝
李楠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Industrial Ceramics Research and Design Institute Co Ltd
Original Assignee
Shandong Industrial Ceramics Research and Design Institute Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong Industrial Ceramics Research and Design Institute Co Ltd filed Critical Shandong Industrial Ceramics Research and Design Institute Co Ltd
Priority to CN202011400294.9A priority Critical patent/CN114571574A/en
Publication of CN114571574A publication Critical patent/CN114571574A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00Producing shaped prefabricated articles from the material
    • B28B1/001Rapid manufacturing of 3D objects by additive depositing, agglomerating or laminating of material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B17/00Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B17/00Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
    • B28B17/0063Control arrangements
    • B28B17/0081Process control
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE 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
    • B33Y30/00Apparatus for additive manufacturing; Details thereof or accessories therefor
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Abstract

The invention discloses a photocuring multi-material 3D printer which comprises a plurality of feeding modules, wherein each feeding module can provide a printing material, each feeding module can work independently, the feeding modules can be switched automatically during printing, the gradient forming of various ceramic materials can be realized in a mode of changing materials by a plurality of charging barrels, the multi-gradient color printing of the ceramic materials with different materials, different components and different colors can be realized by the structure designed by the patent, the ceramic materials with different properties are integrally formed, and the problems of the singleness and the like of the current printing materials are solved.

Description

Photocuring multi-material 3D printer
Technical Field
The invention relates to the technical field of 3D printing, in particular to a multi-material photocuring 3D printer for realizing multi-material printing
Background
DLP technology is a light curing technique that cures liquid photopolymer layer by layer using a high resolution digital light processor to cure the liquid photopolymer. After the surface is solidified in the XY direction, the three-dimensional printing ceramic parts are stacked layer by layer through the movement of the lifting platform in the Z-axis direction.
In the existing DLP printing process, materials are all placed in a trough, and a printing table is immersed in the trough for photocuring printing, and the thickness of each layer of the material in the process is limited by the immersion depth of the printing table, so that the thickness of the material layer is difficult to control.
The equipment that uses DLP technique to carry out 3D printing at present can only print a material for the vast majority, has restricted the demand that different materials printed the product, and a small part can print the 3D printer of many materials and use mostly be the technology of changing the silo, removes different silos through the printer and prints to the print table position, and every material of changing just need remove a silo, carries out many materials like this and prints efficiency not high, and the finished product quality of printing is not good. Moreover, the structure of the material groove replacing mechanism is complex, an independent power mechanism is needed, the material groove replacing step is complicated, and the post-processing cost is increased.
Therefore, a photocuring 3D printer which is simple in structure, capable of printing multiple materials, convenient to replace materials and good in printing effect is urgently needed.
Disclosure of Invention
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a many materials of photocuring 3D printer, its characterized in that includes many sets of feed modules, and every set of feed module provides a printing material, and every set of feed module works alone, and mutually independent does not influence each other, and every set of feed module still includes at least one holding vessel for store and print the material. The feeding module adopts a casting process to cast the printing material to the printing area.
Further, the feed module further comprises:
the glue spraying valve is connected with the storage tank and used for controlling the spraying of the printing material;
and the casting nozzle is connected with the glue spraying valve.
Furthermore, a scraper is arranged behind the casting nozzle; the front end nozzle of the casting nozzle is adjustable and used for controlling the flow of the sprayed material.
Furthermore, the upper part of the storage tank is provided with a regulating valve for regulating the gas pressure in the tank.
Further, the method also comprises the following steps:
the machine body bracket is used for supporting the whole structure and arranging equipment;
the forming module is used for printing and forming the material;
the control module is used for sending a control signal to the equipment and receiving a feedback signal;
and the recovery module is used for recovering the printing material.
Further, the molding module comprises a DLP projector for projecting the cross section of the model, a reflector for reflective projection, a printing table, a release film, a transmission belt and a servo motor for driving the transmission belt to roll.
Further, the release film is arranged on the conveying belt and driven by the conveying belt; the transmission belt comprises an upper transmission belt and a lower transmission belt; the reflector is arranged between the upper transmission belt and the lower transmission belt; the DLP projector is arranged right opposite to the reflector; the printing table is arranged above the release film.
Furthermore, a casting nozzle is arranged above the release film and used for casting the material to the release film.
Further, the control module includes: the control system, the control panel and the electromagnetic relay; and the control system is used for transmitting control signals to the forming module and the feeding module.
Further, the recovery module comprises a scraper and a recovery barrel, the cutting edge of the scraper is subjected to fillet polishing treatment, and the scraper is tightly attached to the release film when the recovery module works; the scraper is connected with an electromagnetic relay and used for receiving a control signal. Preferably, the scraper and the recycling bin can be provided with a plurality of sets, and can be used for recycling different printing materials.
According to the technical scheme, the multi-material ceramic 3D printer based on the photocuring technology is designed, gradient forming of multiple ceramic materials can be achieved through the mode of material changing of the multiple material cylinders, the ceramic materials of different materials, different components and different colors can be printed in a multi-gradient color mode through the structure designed by the patent, the ceramic materials of different properties are integrally formed, and the problem that the existing printed material is single is solved.
The feeding module adopts the casting technology, compared with the traditional feeding process, the casting technology can better control the forming of the material film, the discharging flow and the discharging speed are controlled by adjusting the valve and the casting nozzle, the thickness of the material film is controlled, and the printing quality is improved. A plurality of sets of feeding modules can be arranged on the printer, and the ceramic material film with uniform thickness can be sprayed out from the film spray head by controlling the time of switching on and off the control gas circuit of the circuit only by controlling a signal to the electromagnetic gas relay for material replacement so as to realize automatic material replacement and automatic discharging.
The 3D printer further comprises a material recovery system, the printing material left on the release film is recovered into a recovery barrel through the scraper, and the recovered material can be injected into a material storage barrel for recycling, so that raw materials are saved, and the printing cost is greatly reduced.
Drawings
FIG. 1 is a view of the main structure of the present invention
FIG. 2 is a view showing the structure of each feeding system
FIG. 3 is a view showing a structure of a molding system
The reference numbers shown in the figures: 1. a fuselage cradle; 2. a control panel; 3. a printing table; 4. a storage tank; 5. a glue spraying valve; 6. a conveyor belt; 7. adjusting the valve; 8. tape casting nozzles; 9. a DLP projector; 10. a mirror; 11. a servo motor; 12. a scraper; 13. a recycling bin;
Detailed Description
In order to better understand the technical scheme of the invention, the invention is further explained by combining the drawings and the specific embodiments in the specification.
Example (b):
a photocuring multi-material 3D printer comprises a plurality of sets of feeding modules, wherein each set of feeding module provides a printing material, the printing materials can be made of different materials, different components and different colors, and each set of feeding module works independently; each set of feeder modules includes at least one reservoir for storing the marking material. The feeding module adopts a casting process to cast the printing material to the printing area. The feed module still includes: the glue spraying valve connected with the storage tank is used for controlling the spraying of the printing material, and the tape casting device further comprises a tape casting nozzle connected with the glue spraying valve. A scraper is arranged behind the casting nozzle; the glue spraying valve is preferably a pneumatic ejector pin type, and an ejector pin valve of the glue spraying valve is opened or closed by controlling the on-off time of the air passage. The front end nozzle of the casting nozzle can be adjusted, the width of a gap at the front end of the nozzle can be manually adjusted, and the width of the gap is used for controlling the flow of the sprayed material to control the thickness of the casting film. The upper part of the storage tank is also provided with an adjusting valve for adjusting the gas pressure in the storage tank to control the gas pressure in the storage tank, and the speed of the material sprayed out from the casting nozzle is controlled by adjusting the gas pressure.
The printer of this application still includes:
the device comprises a machine body bracket, a molding module and a control module, wherein the machine body bracket is used for supporting the integral structure and setting equipment; and the recovery module is used for recovering the printing material. The molding module comprises a DLP projector for projecting the cross section of the model, a reflector for reflecting projection, a printing table, a release film, a transmission belt and a servo motor for driving the transmission belt to roll. The release film is arranged on the conveying belt and is driven by the conveying belt; the transmission belt comprises an upper transmission belt and a lower transmission belt; the reflector is arranged between the upper transmission belt and the lower transmission belt; the DLP projector is arranged right opposite to the reflector; the printing table is arranged right above the conveying belt. The curtain coating shower nozzle set up in from type membrane top for with the material curtain coating to from the type membrane. The control module includes: a control system, a display device and a console; and the control system is used for transmitting control signals to the forming module and the feeding module. The material recovery module is arranged on the side surface of the machine body bracket; the material recovery device comprises a scraper and a recovery barrel, and the cutting edge of the scraper is subjected to fillet polishing treatment. When the recovery module works, the scraper is tightly attached to the release film; the scraper is connected with an electromagnetic relay and used for receiving a control signal.
The integral framework of the invention shown in fig. 1, the forming module, the control module, the feeding module and the recovery module of the 3D printer are arranged on the machine body bracket and comprise a plurality of sets of feeding modules, the structural diagram of each set of feeding module is shown in fig. 2, each set of feeding module provides a printing material, each set of feeding module works independently, and the feeding modules can be automatically switched during printing; each set of feeding modules comprises a storage tank for storing printing materials; and the upper part of the storage tank is provided with an adjusting valve for adjusting the gas pressure in the tank. The ceramic slurry film with uniform thickness and a certain length can be sprayed from the film spray head only by controlling signals to the electromagnetic gas relay and switching on and off the control gas circuit of the circuit to change the material. The ceramic film slurry with certain length and different materials can be conveyed to a designated printing position by matching with a release film conveying belt below the nozzle.
As shown in the simplified diagram of the molding module shown in fig. 3, the DLP photocuring 3D printer needs to print a plurality of different materials, and the materials are cured by projecting a single-layer cross-sectional image of the model through an underlying DLP projector and curing the ceramic materials by using ultraviolet light. Every layer can solidify a ceramic material, changes other ceramic materials again, and the change of material utilizes quantitative injecting glue valve curtain coating ceramic material in transparent printing from type membrane, and transparent printing is from type membrane through the cylinder transmission curtain coating's of servo motor drive ceramic thin layer to the printing position. The projector is after the ceramic material solidification of single-deck interface image, the model is being stuck on the print bench on one's side, the print bench rises a take the altitude, let the model after the solidification separate from the type membrane below with, the material of solidification just glues on the print bench like this, the material that does not solidify is still on the type membrane, it shifts out the printing area to print from the material that the type membrane rotation area did not solidify, scraper and recycling bin can set up many sets, can be used to retrieve different printing material, retrieve remaining ceramic material through the scraper, the ceramic film that the next layer of curtain coating was printed starts again.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims (10)

1. A photocuring multi-material 3D printer is characterized by comprising a plurality of sets of feeding modules, wherein each set of feeding module provides a printing material; each set of feeder modules includes at least one reservoir for storing the marking material.
2. The light-curable multi-material 3D printer according to claim 1, wherein: the feed module further comprises:
the glue spraying valve is connected with the storage tank and used for controlling the spraying of the printing material;
and the casting nozzle is connected with the glue spraying valve.
3. The photocuring multi-material 3D printer of claim 1, wherein: a scraper is arranged behind the casting nozzle; the front end nozzle of the casting nozzle is adjustable and used for controlling the flow of the sprayed material.
4. The light-curable multi-material 3D printer according to claim 1, wherein: and the upper part of the storage tank is provided with an adjusting valve for adjusting the gas pressure in the tank.
5. The light-curable multi-material 3D printer according to claim 1, wherein: further comprising:
the machine body bracket is used for supporting the whole structure and arranging equipment;
the forming module is used for printing and forming the material;
the control module is used for sending a control signal to the equipment and receiving a feedback signal;
and the recovery module is used for recovering the printing material.
6. The light-curable multi-material 3D printer according to claim 5, wherein: the molding module comprises a DLP projector for projecting the cross section of the model, a reflector for reflecting projection, a printing table, a release film, a transmission belt and a servo motor for driving the transmission belt to roll.
7. The light-curable multi-material 3D printer according to claim 6, wherein: the release film is arranged on the conveying belt and is driven by the conveying belt; the transmission belt comprises an upper transmission belt and a lower transmission belt; the reflector is arranged between the upper transmission belt and the lower transmission belt; the DLP projector is arranged right opposite to the reflector; the printing table is arranged above the release film.
8. The photocuring multi-material 3D printer of claim 2 or 6, wherein: and a casting nozzle is arranged above the release film and used for casting the material to the release film.
9. The light-curable multi-material 3D printer according to claim 5, wherein: the control module includes: the control system, the control panel and the electromagnetic relay; and the control system is used for transmitting control signals to the forming module and the feeding module.
10. The photocuring 3D printer of claim 5, wherein: the recovery module comprises a scraper and a recovery barrel, the cutting edge of the scraper is subjected to fillet polishing treatment, and the scraper is tightly attached to the release film when the recovery module works; the scraper is connected with an electromagnetic relay and used for receiving a control signal.
CN202011400294.9A 2020-12-02 2020-12-02 Photocuring multi-material 3D printer Pending CN114571574A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011400294.9A CN114571574A (en) 2020-12-02 2020-12-02 Photocuring multi-material 3D printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011400294.9A CN114571574A (en) 2020-12-02 2020-12-02 Photocuring multi-material 3D printer

Publications (1)

Publication Number Publication Date
CN114571574A true CN114571574A (en) 2022-06-03

Family

ID=81770109

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011400294.9A Pending CN114571574A (en) 2020-12-02 2020-12-02 Photocuring multi-material 3D printer

Country Status (1)

Country Link
CN (1) CN114571574A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106965430A (en) * 2017-04-28 2017-07-21 清华大学 A kind of interlayer is combined the preparation method and special equipment of gradient-controllable formula complex parts
US20180093411A1 (en) * 2016-09-30 2018-04-05 Applied Materials, Inc. Additive manufacturing of polishing pads on a conveyor
CN110526720A (en) * 2019-09-06 2019-12-03 宁波伏尔肯科技股份有限公司 A kind of preparation method of stratiform complex phase ceramic
US20190369494A1 (en) * 2016-12-05 2019-12-05 Arkemea Inc. Initiator blends and photocurable compositions containing such initiator blends useful for 3d printing
CN111002427A (en) * 2019-12-18 2020-04-14 南京理工大学 3D printing forming device and method for laminated ceramic matrix composite based on photocuring technology
CN111168995A (en) * 2020-01-03 2020-05-19 深圳摩方新材科技有限公司 Multi-material photocuring 3D printing equipment for film coating and using method thereof
CN111278625A (en) * 2017-11-02 2020-06-12 通用电气公司 Cartridge-based additive manufacturing apparatus and method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180093411A1 (en) * 2016-09-30 2018-04-05 Applied Materials, Inc. Additive manufacturing of polishing pads on a conveyor
US20190369494A1 (en) * 2016-12-05 2019-12-05 Arkemea Inc. Initiator blends and photocurable compositions containing such initiator blends useful for 3d printing
CN106965430A (en) * 2017-04-28 2017-07-21 清华大学 A kind of interlayer is combined the preparation method and special equipment of gradient-controllable formula complex parts
CN111278625A (en) * 2017-11-02 2020-06-12 通用电气公司 Cartridge-based additive manufacturing apparatus and method
CN110526720A (en) * 2019-09-06 2019-12-03 宁波伏尔肯科技股份有限公司 A kind of preparation method of stratiform complex phase ceramic
CN111002427A (en) * 2019-12-18 2020-04-14 南京理工大学 3D printing forming device and method for laminated ceramic matrix composite based on photocuring technology
CN111168995A (en) * 2020-01-03 2020-05-19 深圳摩方新材科技有限公司 Multi-material photocuring 3D printing equipment for film coating and using method thereof

Similar Documents

Publication Publication Date Title
US20150251351A1 (en) Remove and refill method and apparatus for laminated object manufacturing
US20160096323A1 (en) Apparatus and method for rotary three-dimensional printing
CN106363128A (en) 3D printing forming device integrating sanding and printing
CN205310839U (en) Full -color 3D printer
JP6484289B2 (en) 3D modeling equipment
EP3530466A1 (en) Wiping device, head maintenance device, and liquid discharge apparatus
IT201600098327A1 (en) Ink jet printing machine for three-dimensional objects, in particular tubular objects
CN108437447B (en) FDM type 3D printing method
KR102113758B1 (en) Powder 3D printer
CN112622272B (en) Prevent blockking up many wire rods formula fused deposition modeling 3D print head
CN217916790U (en) Viscoelastic paste material high-precision 3D printing equipment
CN114571574A (en) Photocuring multi-material 3D printer
US20090235863A1 (en) Application liquid supply apparatus and inkjet recording apparatus
CN205364789U (en) Screen printer
US20220009160A1 (en) Paper-based 3d printing device and printing method
CN104162987A (en) Cleaning-type three-dimensional printer
CN108688141B (en) FDM type 3D printer
US20220388247A1 (en) Arrangement of 3d printing device
CN104441993A (en) Image recording device
KR102084892B1 (en) Powder feeding device and 3D printer having the same
CN210590588U (en) Large-scale powder bed hydrojet bonding formula 3D printer
CN116198112A (en) Three-dimensional forming equipment
JP7087482B2 (en) Three-dimensional modeling device and three-dimensional modeling method
JP7106877B2 (en) Cleaning device for liquid ejection head and device for ejecting liquid
CN102582250B (en) Liquid ejecting apparatus

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination