CN106863782A - A kind of artificial tooth wax pattern DLP photocuring 3D printing methods - Google Patents
A kind of artificial tooth wax pattern DLP photocuring 3D printing methods Download PDFInfo
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- CN106863782A CN106863782A CN201710200627.5A CN201710200627A CN106863782A CN 106863782 A CN106863782 A CN 106863782A CN 201710200627 A CN201710200627 A CN 201710200627A CN 106863782 A CN106863782 A CN 106863782A
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- artificial tooth
- wax pattern
- tooth wax
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- workbench
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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
- B33Y50/00—Data acquisition or data processing for additive manufacturing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
- A61C13/0003—Making bridge-work, inlays, implants or the like
- A61C13/0006—Production methods
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
- A61C13/08—Artificial teeth; Making same
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
- B22C7/02—Lost patterns
-
- 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
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Materials Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Mechanical Engineering (AREA)
Abstract
The invention discloses a kind of artificial tooth wax pattern DLP photocuring 3D printing methods, the method includes：Firstth, the three-dimensional digital model of artificial tooth wax pattern is obtained, the three-dimensional digital model of artificial tooth wax pattern is layered according to predetermined thickness using CAD/CAM software, make multiple layered images；Secondth, the multiple layered images input artificial tooth wax pattern DLP photocuring 3D printers that will be made in first step；3rd, control unit control Working table driving device drives workbench to enter materials chamber, the distance between the bottom surface of workbench and the bottom level internal face of materials chamber is set to be a thickness for layering predetermined in first step, the space between the bottom surface of workbench and the bottom level internal face of materials chamber is full of light-sensitive material liquid；The part LED light emitting diodes in LED array are opened, makes light-sensitive material liquid photocuring, complete the making of layered image, be finally completed the making of artificial tooth wax pattern.
Description
Technical field
The present invention relates to the automatic processing technique field of artificial tooth wax pattern, and in particular to a kind of artificial tooth wax pattern DLP photocurings 3D beats
Impression method.
Background technology
Lost wax process is the conventional method that oral cavity metal restoration makes, most widely used at present.Wherein, artificial tooth wax
The making of type is the key that oral cavity metal restoration makes, and the requirement highest to manufacturing technology is also whole oral cavity metallic prosthetic
The link that system most wastes time and energy during making.The complex shape of artificial tooth wax pattern, fine structure, required precision are high, traditional hand
Not only time-consuming for work production method, labour intensity big, and cannot ensure the precision of the artificial tooth of final acquisition, makes mode by hand
Influenceed many by extraneous destabilizing factor, it tends to be difficult to realize some exquisite complicated designs.
The machining process of artificial tooth wax pattern includes that numerical control cutting is processed and RP technique.Numerical control cutting processing into
This height, it is impossible to clinically promote the use of.And the in irregular shape of artificial tooth wax pattern, change are greatly, and there are many tiny knots
Structure, current numerical control cutting processing technology level is technically unable to reach the requirement for clinically using.RP technique bag
Include selective laser smelting technology and digital optical processing technique.
(Selective Laser Melting, SLM) technology is melted by means of CAD in selective laser
(Computer Aided Design, CAD) and manufacture, based on the principle of discrete-layering-superposition, can be with using high energy laser beam
It is fine and close Three-dimensional Entity Components by metal powder material direct forming, forming process does not need any moulds of industrial equipment, do not receive yet
The limitation of part shape complexity, is state-of-the-art, the with the fastest developing speed metal increasing material manufacturing (Metal in the world today
One of Addative Manufacturing, MAM) technology.
Although selective laser smelting technology has substantially met, clinical oral is quick to metal restoration, efficient, accurate processing
Requirement, but cost of manufacture is high, metal dust range of choice is limited, and existing laser facula size can't fully meet repaiies
The details of complex makes, and may there is buckling deformation when complicated support is made, therefore receives one in clinical expansion
Definite limitation.
Digital optical processing technique (Digital Light Processing, DLP) was invented in 1993 by American TI Company,
The technology is initially applied in terms of Projection Display, compared to CRT, the projector of LCD technology, become apparent from image, color more
Plus abundant, brightness of image and the more high advantage of contrast.At present, DLP technologies to be to expand to 3D printer field, with DLP technologies
The 3D printing technique for developing has the features such as print speed is fast, printing precision is high.
The content of the invention
In order to overcome problems of the prior art, the present invention to provide a kind of artificial tooth wax pattern DLP photocurings 3D printing side
Method, improves manufacture efficiency, can individually control the light intensity and temperature of light source, it is to avoid damage the artificial tooth wax pattern of processing.
To achieve the above object, artificial tooth wax pattern DLP photocuring 3D printing methods of the present invention are comprised the following steps：
Firstth, the three-dimensional digital model of artificial tooth wax pattern is obtained, using CAD/CAM softwares by the 3-dimensional digital mould of artificial tooth wax pattern
Type is layered according to predetermined thickness, makes multiple layered images；
Secondth, the multiple layered images input artificial tooth wax pattern DLP photocuring 3D printers that will be made in first step；
Wherein, described artificial tooth wax pattern DLP photocurings 3D printer include materials chamber, workbench, Working table driving device,
Control unit and light source, described workbench are arranged on the top of materials chamber, and described light source is arranged on the lower section of materials chamber, institute
The light source stated includes LED installing plates and LED array, and described LED array is arranged on described LED installing plates；Described material
Material chamber is built with light-sensitive material liquid；Described workbench is connected with described Working table driving device, and described workbench drives
Dynamic device can drive the workbench around and free movement in these three dimensions up and down；Described workbench drives
Dynamic device and described light source are connected with described control unit respectively, and the described workbench of described control unit control drives
Device and then control the direction of motion, move distance and the movement velocity of described workbench；Described control unit also controls institute
State the light intensity and temperature of light source；
3rd, the described workbench of the described Working table driving device drive of described control unit control enters described
Materials chamber, makes the distance between the bottom surface of described workbench and bottom level internal face of described materials chamber be first step
In a predetermined layering thickness, between the described bottom surface of workbench and the bottom level internal face of described materials chamber
Space is full of light-sensitive material liquid；Described control unit further controls the light source to open the part LED hairs in LED array
Optical diode, multiple layerings that the LED light emitting diodes that are unlocked are received with described artificial tooth wax pattern DLP photocuring 3D printers
First in image is corresponding, and the light that LED light emitting diodes send makes the bottom surface of described workbench and described material
Light-sensitive material liquid photocuring between the bottom level internal face in chamber, completes first making of layered image；It is then described
The described Working table driving device of control unit control drive described workbench to be gradually increasing, often rise one predetermined point
The then described control unit of thickness degree controls the part corresponding with corresponding layered image in the light source unlatching LED array
LED light emitting diodes, successively complete the making of all layered images, are finally completed the making of artificial tooth wax pattern.
Described control unit includes bus, RAM, ROM, CPU and GPU, and described RAM, ROM, CPU and GPU is by total
Line realizes connection each other；CPU is used to start the operating system of control unit, is stored with ROM single for starting control
The command set of the operating system of unit；When switching on power and being input into power-on command, orders of the CPU according to storage in ROM will be grasped
Make system to be copied to from ROM in RAM and run operating system, after os starting, CPU copies multiple programs to
In RAM and these programs are run, so as to realize Working table driving device described in control and then control the fortune of described workbench
The light intensity and temperature of dynamic direction, move distance and movement velocity and the control light source.
Described CPU is additionally operable to control the GPU to produce coordinate value, shapes values, magnitude numerical value and color data and deposit
Storage in buffer unit, buffer unit and described CPU two-way communications, according to coordinate value, shapes values, size that GPU is produced
Numerical value and color data display image on the display apparatus.
Described display device is electrically connected with described control unit, and display device is used to show described artificial tooth to user
The operation image of wax pattern DLP photocuring 3D printers.
Described control unit is also electrically connected with horizontal detection sensor, and horizontal detection sensor is used to detect described material
The liquid level of the light-sensitive material liquid in material chamber.
Described control unit is also electrically connected with communication unit, described communication unit include WIFI chips, Bluetooth chip,
NFC chip and wireless communication chips, described communication unit are used to realize communicating with external equipment, described wireless communication chips
Support IEEE, Zigbee, 3G, 3GPP and LTE communication standard.
Described LED light emitting diodes are ultraviolet LED light emitting diodes.
Each LED light emitting diode in described LED array is individually controlled by described control unit, so that
In multiple layered images that the LED light emitting diodes that are unlocked are received with described artificial tooth wax pattern DLP photocuring 3D printers
Any one is corresponding layer by layer.
Described control unit is obtained in real time in the running of described artificial tooth wax pattern DLP photocuring 3D printers
The temperature of the light source, when the temperature of the light source exceedes predetermined value, described control unit closes light source by force, so that
Light source cooling, it is to avoid the artificial tooth wax pattern that the too high light source of temperature is damaged in making.
The artificial tooth wax pattern DLP photocurings more conventionally manufactured mode of 3D printing method of the present invention drastically increases manufacture
Efficiency, is that patient saves a large amount for the treatment of times.What artificial tooth wax pattern DLP photocuring 3D printings method of the present invention was used
DLP photocurings 3D printer can individually control the light intensity and temperature of light source, it is to avoid damage the artificial tooth wax pattern of processing.
Brief description of the drawings
Fig. 1 is the overall structure diagram of DLP photocurings 3D printer of the present invention.
Fig. 2 is the control unit structural representation of the DLP photocurings 3D printer.
Fig. 3 is the light-source structure schematic diagram of the DLP photocurings 3D printer.
Specific embodiment
Following examples are used to illustrate the present invention, but are not limited to the scope of the present invention.
As shown in Figure 1 to Figure 3, artificial tooth wax pattern DLP photocuring 3D printing methods of the present invention are comprised the following steps：
Firstth, the three-dimensional digital model of artificial tooth wax pattern is obtained, using CAD/CAM softwares by the 3-dimensional digital mould of artificial tooth wax pattern
Type is layered according to predetermined thickness, makes multiple layered images；
Secondth, the multiple layered images input artificial tooth wax pattern DLP photocuring 3D printers that will be made in first step；
Wherein, described artificial tooth wax pattern DLP photocurings 3D printer includes that materials chamber 10, workbench 20, workbench drive
Device 30, control unit 50 and light source 100, described workbench 20 are arranged on the top of materials chamber 10, and described light source 100 sets
Put in the lower section of materials chamber 10, described light source 100 includes LED installing plates 110 and LED array 120, described LED array 120
On described LED installing plates 110；Described materials chamber 10 is built with light-sensitive material liquid；Described workbench 20 with
Described Working table driving device 30 is connected, described Working table driving device 30 can drive the workbench 20 it is front and rear,
Free movement on left and right and upper and lower these three dimensions；Described Working table driving device 30 and described light source 100 respectively with institute
The control unit 50 stated is connected, and described control unit 50 controls described Working table driving device 30 and then controls described work
Make the direction of motion, move distance and the movement velocity of platform 20；Described control unit 50 also control the light source 100 light intensity and
Temperature；
3rd, described control unit 50 controls described Working table driving device 30 to drive described workbench 20 to enter
Described materials chamber 10, make between the described bottom surface of workbench 20 and the bottom level internal face of described materials chamber 10 away from
The thickness of predetermined in for a first step layering, the bottom surface of described workbench 20 and the bottom of described materials chamber 10
Space between horizontal interior walls face is full of light-sensitive material liquid；Described control unit 50 further controls the light source 100 to open
The part LED light emitting diodes in LED array 120 are opened, the LED light emitting diodes that are unlocked are solid with described artificial tooth wax pattern DLP light
First changed in multiple layered images that 3D printer is received is corresponding, and the light that LED light emitting diodes send makes described
The bottom surface of workbench 20 and the bottom level internal face of described materials chamber 10 between light-sensitive material liquid photocuring, complete
First making of layered image；Then to control described Working table driving device 30 to drive described for described control unit 50
Workbench 20 is gradually increasing, and often rises a then described control unit 50 of predetermined lift height and controls the light source 100 to open
The part LED light emitting diode corresponding with corresponding layered image in LED array 120 is opened, all hierarchical diagrams are successively completed
The making of picture, is finally completed the making of artificial tooth wax pattern S.
Described control unit 50 includes bus 55, RAM51, ROM52, CPU53 and GPU54, described RAM51,
ROM52, CPU53 and GPU54 realize connection each other by bus 55；CPU53 is used to start the operation of control unit 50
System, the command set of the operating system being stored with ROM52 for starting control unit 50；Ordered when switching on power and being input into start
When making, operating system is copied to from ROM52 in RAM51 and runs operation system by CPU53 according to order of the storage in ROM52
System, after os starting, multiple programs are copied in RAM51 and run these programs by CPU53, so as to realize control
Described Working table driving device 30 so control described workbench 20 the direction of motion, move distance and movement velocity and
Control the light intensity and temperature of the light source 100.
Described CPU53 is additionally operable to control the GPU54 to produce coordinate value, shapes values, magnitude numerical value and color data
And store in buffer unit 80, buffer unit 80 and described CPU53 two-way communications, according to coordinate value, shape that GPU54 is produced
Shape numerical value, magnitude numerical value and the color data display image in display device 60.
Described display device 60 is electrically connected with described control unit 50, and display device 60 is used to show described to user
Artificial tooth wax pattern DLP photocuring 3D printers operation image.
Described control unit 50 is also electrically connected with horizontal detection sensor 70, and horizontal detection sensor 70 is used to detect institute
The liquid level of the light-sensitive material liquid in materials chamber 10 stated.
Described control unit 50 is also electrically connected with communication unit 90, described communication unit 90 include WIFI chips 91,
Bluetooth chip 92, NFC chip 93 and wireless communication chips 94, described communication unit 90 are used to realize communicating with external equipment,
Described wireless communication chips 94 support IEEE, Zigbee, 3G, 3GPP and LTE communication standard.
Described LED light emitting diodes are ultraviolet LED light emitting diodes.
Each LED light emitting diode in described LED array 120 is individually controlled by described control unit 50,
So that multiple hierarchical diagrams that the LED light emitting diodes that are unlocked are received with described artificial tooth wax pattern DLP photocuring 3D printers
Any one as in is corresponding layer by layer.
Described control unit 50 is obtained in real time in the running of described artificial tooth wax pattern DLP photocuring 3D printers
The temperature of the light source 100 is taken, when the temperature of the light source 100 exceedes predetermined value, described control unit 50 is closed by force
Light source, so that light source cooling, it is to avoid the artificial tooth wax pattern that the too high light source of temperature is damaged in making.
Although the present invention is described in detail above to have used general explanation and specific embodiment, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements, belong to the scope of protection of present invention without departing from theon the basis of the spirit of the present invention.
Claims (9)
1. a kind of artificial tooth wax pattern DLP photocuring 3D printing methods, it is characterised in that the artificial tooth wax pattern DLP photocuring 3D printings
Method is comprised the following steps：
Firstth, the three-dimensional digital model of artificial tooth wax pattern is obtained, the three-dimensional digital model of artificial tooth wax pattern is pressed using CAD/CAM softwares
It is layered according to predetermined thickness, is made multiple layered images；
Secondth, the multiple layered images input artificial tooth wax pattern DLP photocuring 3D printers that will be made in first step；
Wherein, described artificial tooth wax pattern DLP photocurings 3D printer includes materials chamber, workbench, Working table driving device, control
Unit and light source, described workbench are arranged on the top of materials chamber, and described light source is arranged on the lower section of materials chamber, described
Light source includes LED installing plates and LED array, and described LED array is arranged on described LED installing plates；Described materials chamber
Built with light-sensitive material liquid；Described workbench is connected with described Working table driving device, and described workbench drives dress
Putting can drive the workbench around and free movement in these three dimensions up and down；Described workbench drives dress
Put and be connected with described control unit respectively with described light source, the described Working table driving device of described control unit control
And then control the direction of motion, move distance and the movement velocity of described workbench；Described control unit also controls the light
The light intensity and temperature in source；
3rd, the described Working table driving device of described control unit control drives described workbench to enter described material
Chamber, makes the distance between the bottom surface of described workbench and bottom level internal face of described materials chamber for pre- in first step
A fixed thickness for layering, the space between the described bottom surface of workbench and the bottom level internal face of described materials chamber
Full of light-sensitive material liquid；Described control unit further controls the light source to open the part LED luminous two in LED array
Pole pipe, multiple layered images that the LED light emitting diodes that are unlocked are received with described artificial tooth wax pattern DLP photocuring 3D printers
In first it is corresponding, the light that LED light emitting diodes send makes the bottom surface of described workbench and described materials chamber
Light-sensitive material liquid photocuring between bottom level internal face, completes first making of layered image；Then described control
The described Working table driving device of unit control processed drives described workbench to be gradually increasing, and often rises a predetermined layering thick
The then described control unit of degree controls the part LED corresponding with corresponding layered image in the light source unlatching LED array
Light emitting diode, successively completes the making of all layered images, is finally completed the making of artificial tooth wax pattern.
2. artificial tooth wax pattern DLP photocuring 3D printing methods as claimed in claim 1, it is characterised in that described control unit
Including bus, RAM, ROM, CPU and GPU, described RAM, ROM, CPU and GPU realizes connection each other by bus；
CPU is used to start the operating system of control unit, the command set of the operating system being stored with ROM for starting control unit；
When switching on power and being input into power-on command, orders of the CPU according to storage in ROM copies operating system to RAM from ROM
In and run operating system, after os starting, multiple programs are copied in RAM and run these programs by CPU, from
And realize the Working table driving device described in control and then control the direction of motion, move distance and the motion speed of described workbench
Spend and control the light intensity and temperature of the light source.
3. artificial tooth wax pattern DLP photocuring 3D printing methods as claimed in claim 1 or 2, it is characterised in that described CPU is also
For controlling the GPU to produce coordinate value, shapes values, magnitude numerical value and color data and store in buffer unit, buffering
Device and described CPU two-way communications, the coordinate value produced according to GPU, shapes values, magnitude numerical value and color data are in display
Display image on device.
4. artificial tooth wax pattern DLP photocuring 3D printing methods as claimed in claim 3, it is characterised in that described display device
Electrically connected with described control unit, display device is used to show described artificial tooth wax pattern DLP photocuring 3D printers to user
Operation image.
5. artificial tooth wax pattern DLP photocuring 3D printing methods as claimed in claim 1, it is characterised in that described control unit
Also electrically connected with horizontal detection sensor, horizontal detection sensor is used to detect the light-sensitive material liquid in described materials chamber
Liquid level.
6. artificial tooth wax pattern DLP photocuring 3D printing methods as claimed in claim 1, it is characterised in that described control unit
Also electrically connected with communication unit, described communication unit includes WIFI chips, Bluetooth chip, NFC chip and wireless communication chips,
Described communication unit is used to realize communicate with external equipment, described wireless communication chips support IEEE, Zigbee, 3G,
3GPP and LTE communication standard.
7. artificial tooth wax pattern DLP photocuring 3D printing methods as claimed in claim 1, it is characterised in that described LED luminous two
Pole pipe is ultraviolet LED light emitting diodes.
8. artificial tooth wax pattern DLP photocuring 3D printing methods as claimed in claim 1, it is characterised in that in described LED array
Each LED light emitting diode individually controlled by described control unit so that be unlocked LED light emitting diodes and institute
Any one in multiple layered images that the artificial tooth wax pattern DLP photocuring 3D printers stated are received is corresponding layer by layer.
9. artificial tooth wax pattern DLP photocuring 3D printing methods as claimed in claim 1, it is characterised in that described control unit
The temperature of the light source is obtained in real time in the running of described artificial tooth wax pattern DLP photocuring 3D printers, when described
When the temperature of light source exceedes predetermined value, described control unit closes light source by force, so that light source cooling, it is to avoid temperature is too high
Light source damage make in artificial tooth wax pattern.
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| CN111565670A (en) * | 2018-01-17 | 2020-08-21 | 爱恩株式会社 | Artificial tooth forming device and method |
| CN111941828A (en) * | 2020-08-12 | 2020-11-17 | 北京大学口腔医学院 | Digital implementation method, device, equipment and storage medium of occlusion adjuster |
| CN113397740A (en) * | 2021-06-21 | 2021-09-17 | 北京联袂义齿技术有限公司 | Wax pattern plastic-piling method and device for imitating natural tooth |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111565670A (en) * | 2018-01-17 | 2020-08-21 | 爱恩株式会社 | Artificial tooth forming device and method |
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| CN111941828B (en) * | 2020-08-12 | 2022-04-05 | 北京大学口腔医学院 | Digital implementation method, device, equipment and storage medium of occlusion adjuster |
| CN113397740A (en) * | 2021-06-21 | 2021-09-17 | 北京联袂义齿技术有限公司 | Wax pattern plastic-piling method and device for imitating natural tooth |
| CN113397740B (en) * | 2021-06-21 | 2022-09-16 | 北京联袂义齿技术有限公司 | Wax pattern plastic-piling method and device for imitating natural tooth |
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Application publication date: 20170620 |