CN102362819A - False tooth wax pattern free forming system - Google Patents

False tooth wax pattern free forming system Download PDF

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Publication number
CN102362819A
CN102362819A CN2010105572795A CN201010557279A CN102362819A CN 102362819 A CN102362819 A CN 102362819A CN 2010105572795 A CN2010105572795 A CN 2010105572795A CN 201010557279 A CN201010557279 A CN 201010557279A CN 102362819 A CN102362819 A CN 102362819A
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CN
China
Prior art keywords
wax
free forming
false tooth
pattern free
artificial tooth
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
CN2010105572795A
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Chinese (zh)
Inventor
王运赣
文成
牧青
李宝
缪育博
黄哲赟
王宣
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.)
Shanghai Fochif Mechatronics Technology Co Ltd
JIANGSU RABILY INDUSTRY Co Ltd
Original Assignee
Shanghai Fochif Mechatronics Technology Co Ltd
JIANGSU RABILY INDUSTRY 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.)
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Publication date
Application filed by Shanghai Fochif Mechatronics Technology Co Ltd, JIANGSU RABILY INDUSTRY Co Ltd filed Critical Shanghai Fochif Mechatronics Technology Co Ltd
Priority to CN2010105572795A priority Critical patent/CN102362819A/en
Publication of CN102362819A publication Critical patent/CN102362819A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a false tooth wax pattern free forming system, comprising an automatic control system which is used for transforming a slice graph of a three-dimensional digital model and carrying out full-automatic accurate control on equipment, a wax material supply system used for delivering wax material in molten state to a spray nozzle, a high-speed spraying and printing system used for spraying the wax material in the molten state onto a working platform and a triaxial linkage working platform which is used for driving the high-speed spraying and printing system and ensuring the high-speed spraying and printing system to complete slice layer spraying forming and slice layer accumulation function. The false tooth wax pattern free forming system disclosed by the invention can realize three-dimensional forming of different medical wax material and manufacture a fine false tooth wax mould. Compared with the false tooth wax pattern produced by the traditional manual fabrication, the false tooth wax pattern free forming system disclosed by the invention can directly produce the false tooth wax pattern by virtue of a digital model, production cycle of the product can be greatly shortened, and production quality can be greatly improved.

Description

Artificial tooth wax-pattern free forming system
Technical field
Type of the present invention relates to a kind of free forming system, relates in particular to a kind of artificial tooth wax-pattern free forming system of piezoelectric type shower nozzle ejection function material.
 
Background technology
Little spray free forming (Freeform Fabrication with Micro-droplet Jetting; FFMJ) be based on a kind of novel manufacturing process of addition autofrettage; Originate from the quick shaping that late 1980s occurs (Rapid Prototyping, RP).Quick shaping can directly be made 3D solid according to the cad model of workpiece, and need not traditional lathe and tool and mould, therefore once is described as a revolution in manufacturing field.But, cause the performance of most quick shaping parts and the requirement of practical work piece that bigger difference is arranged because the raw material that it can adopt has bigger restriction.For overcoming above-mentioned drawback, the droplet ejection free forming has appearred in recent years, and the adoptable raw material of this method is restricted hardly, thereby is that very advantageous conditions has been created in the making of the application of new material, particularly functional device.
Little spray free forming utilizes meticulous shower nozzle injection volume to be microlitre to the drop of ascending to heaven (being commonly referred to ink droplet), and this drop is deposited on and progressively forms two dimension or three dimensional structure on the base material.
Wherein, The piezoelectric type shower nozzle is a very advanced and sophisticated product on the ink-jet printer; Its nozzle diameter is a micron order; Nozzle number on each shower nozzle can reach more than 1000, and the natural resolution of liquid droplets can reach more than the hundreds of dpi (number of drops on the per inch length), and injection frequency can reach tens KHz; Therefore; Only need the ink of the common usefulness of ink-jet printer is changed to free forming required special " ink " (for example ceramic ink, metallic ink, polymer ink, Cell sap etc.), just can realize two dimension or three-dimensional free forming, make meticulous function electromechanical device, functional ceramic device, FGM member and functional biological medical devices etc. expeditiously.
At present, in the existing dental prosthetic technology, the making of relevant artificial tooth; Still rest on the manual manufacture wax-pattern stage, fabrication cycle is very long, and aspect the realization mathematical model; By making technician's individual's level and mode of operation decision, product quality can't be accomplished concordance state preferably to effect fully.
In view of this, those skilled in the art are to the problems referred to above, and a kind of artificial tooth wax-pattern free forming system is provided.
Summary of the invention
The invention provides a kind of artificial tooth wax-pattern free forming system, overcome the difficulty of prior art, can efficiently make artificial tooth wax-pattern product.
The present invention adopts following technical scheme:
The invention provides a kind of artificial tooth wax-pattern free forming system, comprise being used for the three-dimensional digital model figure conversion of cutting into slices is implemented the full-automatic accurately automatic control system of control to equipment; Be used for wax material feed system to the wax material of shower nozzle handling molten state; Be used on workbench, spraying the high speed sprayed printed system of the wax material of molten state; And be used to drive the high speed sprayed printed system, make it to accomplish the three-shaft linkage workbench of slicing layer reaction-injection moulding and slicing layer accumulation function; Wherein wax material feed system comprises dewaxing device, feeding pipe and storage wax box; Said high speed sprayed printed system comprises jet array, vacuum system and drive system; Said jet array be arranged on said three-shaft linkage workbench directly over, with two drivings of the level in the said three-shaft linkage workbench; Said jet array connects said storage wax box and vacuum system respectively, and said storage wax box connects said dewaxing device.
Preferably, the shower nozzle in the said jet array is the piezoelectric type shower nozzle.
Preferably, said piezoelectric type shower nozzle comprises piezoelectric ceramic piece, barrier film, cavity volume, inlet, reservoir, feed liquid pipeline and nozzle;
One end of said feed liquid pipeline connects said storage wax box, and the other end connects said reservoir, inlet, cavity volume and nozzle successively;
Said potsherd by the driving signal controlling is arranged on the top of said cavity volume, and said barrier film is arranged between said cavity volume and the said potsherd.
Preferably, there is the White paraffin material in the said dewaxing device.
Artificial tooth wax-pattern free forming of the present invention system, each several part system structure and function thereof are following:
Automatic control system is used for cut into slices figure conversion of three-dimensional digital model is implemented full-automatic accurately control to wax material feed system, high speed sprayed printed system, three-shaft linkage workbench;
Wax material feed system is used for the wax material to shower nozzle handling molten state;
The high speed sprayed printed system is used on workbench, spraying the wax material of molten state;
The three-shaft linkage workbench is used to drive the high speed sprayed printed system, makes it to accomplish slicing layer reaction-injection moulding and slicing layer accumulation function.
Wax material feed system further comprises:
The dewaxing device is made up of heater, thermocouple, controller, wax-storing box etc., is used for dewaxing, keeps the liquid state of wax, storing liquid wax;
Feeding pipe is made up of pump, high-precision filter, insulating tube etc., is used to supply with liquid wax;
Storage wax box is made up of heater, thermocouple, controller, incubation chamber etc., is used for to the high speed sprayed printed system stable liquid wax being provided;
The high speed sprayed printed system further comprises:
Jet array is formed by some industrial piezoelectric type high temperature nozzle tip arrangement, and jet array is fixed on the transverse scan kinematic axis of three-shaft linkage workbench, is used to implement the injection of liquid wax;
Vacuum system is made up of vacuum pump, vacuum controller, vacuometer, intake valve, high-precision filter etc., is used to keep negative pressure in the spray printing pipeline, keeps the shower nozzle operate as normal;
Drive system is used to drive the work of piezoelectric type high temperature shower nozzle;
The three-shaft linkage workbench further comprises:
X axle kinematic pair, be used to drive jet array along X to reciprocating motion, and carry out spray printing;
Y axle kinematic pair, be used to drive workbench along Y to step motion, make jet array according to slicing layer graphics request spray printing;
Z axle kinematic pair, be used to drive jet array along Z to moving, according to the section bed thickness hoisting depth of setting, form the slicing layer accumulation;
Automatic control system is used for cut into slices figure conversion of three-dimensional digital model is implemented full-automatic accurately control to wax material feed system, high speed sprayed printed system, three-shaft linkage workbench.
Owing to adopted above-mentioned technology, compared with prior art, the present invention has following advantage:
Artificial tooth wax-pattern free forming of the present invention system can realize different White paraffin material three-dimensionals simultaneously, makes meticulous artificial tooth wax-pattern.Produce the artificial tooth wax-pattern with respect to existing manual manufacture, the present invention directly can produce the artificial tooth wax-pattern by mathematical model, significantly shortens such production of products cycle, and greatly improves fabricating quality.
Further specify the present invention below in conjunction with accompanying drawing and embodiment.
 
Description of drawings
Fig. 1 is an artificial tooth wax-pattern free forming system implementation example schematic diagram of the present invention;
Fig. 2 is the piezoelectric type shower nozzle schematic diagram according to the embodiment of the invention;
Fig. 3 is the wax material feed system schematic diagram according to the embodiment of the invention;
Fig. 4 is the high speed sprayed printed system schematic diagram according to the embodiment of the invention.
 
The specific embodiment
Introduce specific embodiment of the present invention through Fig. 1 to 4 below.
As illustrated in fig. 1 and 2, the invention provides a kind of artificial tooth wax-pattern free forming system, comprise being used for the three-dimensional digital model figure conversion of cutting into slices is implemented the full-automatic accurately automatic control system 107 of control to equipment; Be used for wax material feed system to the wax material of shower nozzle handling molten state; Be used on workbench, spraying the high speed sprayed printed system of the wax material of molten state; And be used to drive the high speed sprayed printed system, make it to accomplish the three-shaft linkage workbench 106 of slicing layer reaction-injection moulding and slicing layer accumulation function; Wherein wax material feed system comprises dewaxing device 104, feeding pipe 103 and storage wax box 102; Said high speed sprayed printed system comprises jet array 101, vacuum system 105 and drive system; Said jet array 101 be arranged on said three-shaft linkage workbench 106 directly over, with two drivings of the level in the said three-shaft linkage workbench 106; Said jet array 101 connects said storage wax box 102 and vacuum system 105 respectively, and said storage wax box 102 connects said dewaxing device 104.
Shower nozzle in the said jet array 101 is the piezoelectric type shower nozzle.Said piezoelectric type shower nozzle comprises piezoelectric ceramic piece 204, barrier film 202, cavity volume 207, inlet 203, reservoir 206, feed liquid pipeline 201 and nozzle 208; One end of said feed liquid pipeline 201 connects said storage wax box 102, and the other end connects said reservoir 206, inlet 203, cavity volume 207 and nozzle 208 successively; Said potsherd 204 by the driving signal controlling is arranged on the top of said cavity volume 207, and said barrier film 202 is arranged between said cavity volume 207 and the said potsherd 204.There is the White paraffin material in the said dewaxing device 104.
The specific embodiment of artificial tooth wax-pattern free forming of the present invention system is following:
Fig. 1 has shown artificial tooth wax-pattern free forming system implementation example schematic diagram of the present invention; The artificial tooth wax-pattern free forming system of present embodiment comprises: automatic control system 107; The wax material feed system that is made up of dewaxing device 104, feeding pipe 103, storage wax box 102 is by jet array 101, vacuum system 105, be positioned at high speed sprayed printed system, three-shaft linkage workbench 106 that the drive system of automatic control system 107 constitutes.
In the embodiments of the invention; Shower nozzle in the jet array 101 is piezoelectric type shower nozzle (piezoelectric print-head); Referring to Fig. 2, it is made up of piezoelectric ceramic piece 204, barrier film 202, cavity volume 207, inlet 203, reservoir 206, feed liquid pipeline 201 and nozzle 208 etc.On piezoelectric ceramic piece 204, do not apply when driving signal 205, the pressure of cavity volume 207 ink inside enough low (or being negative pressure), ink remains in the cavity volume 207 because of surface tension; When needing to spray, on piezoelectric ceramic piece 204, apply a pulse voltage, micro-strain takes place in piezoelectric ceramic piece 204 immediately; Under this effect, strain takes place in barrier film 202, and the volume of coupled cavity volume 207 ink inside is dwindled rapidly; Generation is towards the pressure wave of nozzle 208; This pressure wave overcomes resistance and the surface tension of ink in the nozzle 208, makes nozzle 208 exits form a drop 209, and makes it from nozzle 208 ejections.Then, piezoelectric ceramic piece 204 restores to the original state with barrier film 202, because surface tension effects, new ink gets into the cavity volume 207 of shower nozzle through feed liquid pipeline 201, reservoir 206, inlet 203.
In the embodiments of the invention, wax material feed system 300 referring to Fig. 3, is made up of wax-storing box 301, pump 305, high-precision filter 306, insulating tube 307, incubation chamber 308, heater 312, controller 309 etc.Wherein, be provided with heater 302, controller 303 and thermocouple 304 in the wax-storing box 301, guarantee that wax obtains fusing, and keep liquid with uniform temperature.Pump 305 extracts the liquid wax in the wax-storing box 301, and with liquid wax through high-precision filter 306 and insulating tube 307, be delivered to incubation chamber 308.High-precision filter 306 can stop that the larger particles material in the liquid wax advances incubation chamber 308 and high speed sprayed printed system 400, avoids plug nozzle 208.Be provided with heater 310, controller 309 and thermocouple 311 in the incubation chamber 308 equally, guarantee that wax keeps liquid with uniform temperature.
Liquid level meter 312 is used to control the liquid level of liquid wax in the incubation chamber 308, and when the liquid level of liquid wax in the incubation chamber 308 was lower than setting height, control system constantly turned round pump 305 and supplies waxes to incubation chamber 308; When the liquid level of incubation chamber 308 is higher than setting height; Liquid level meter 312 provides instruction to control system; Pump 305 is shut down, do not supply wax, thereby can make the liquid level in the incubation chamber 308 keep constant height, promptly apply the confession wax pressure stability of high speed sprayed printed system to incubation chamber 308.
In the embodiments of the invention, referring to Fig. 4, high speed sprayed printed system 400 is made up of drive system 401, jet array 402, vacuum pump 403, vacuum controller 407, vacuometer 404, intake valve 405, high-precision filter 406 etc.Piezoelectric ceramic piece 204 work in the piezoelectric type shower nozzle that drive system 401 drives in the jet array 402 make liquid wax spray from nozzle 208 by instruction, and drop down onto on the table top of three-shaft linkage workbench 106.And the instruction that drive system 401 is sent is to be sent by the control software that is positioned at automatic control system 107, and it drives three-shaft linkage workbench 106 simultaneously, is that liquid wax is sprayed by assignment graph, accumulation successively, thus form the artificial tooth wax-pattern.
Can know that to sum up artificial tooth wax-pattern free forming of the present invention system can realize different White paraffin material three-dimensionals simultaneously, makes meticulous artificial tooth wax-pattern.Produce the artificial tooth wax-pattern with respect to existing manual manufacture, the present invention directly can produce the artificial tooth wax-pattern by mathematical model, significantly shortens such production of products cycle, and greatly improves fabricating quality.
Above-described embodiment only is used to explain technological thought of the present invention and characteristics; Its purpose is to make those skilled in the art can understand content of the present invention and implements according to this; Can not only limit claim of the present invention with present embodiment; Be all equal variation or modifications of doing according to disclosed spirit, still drop in the claim of the present invention.

Claims (4)

1. artificial tooth wax-pattern free forming system is characterized in that: comprise being used for the three-dimensional digital model figure conversion of cutting into slices is implemented the full-automatic accurately automatic control system (107) of control to equipment;
Be used for wax material feed system to the wax material of shower nozzle handling molten state;
Be used on workbench, spraying the high speed sprayed printed system of the wax material of molten state;
And be used to drive the high speed sprayed printed system, make it to accomplish the three-shaft linkage workbench (106) of slicing layer reaction-injection moulding and slicing layer accumulation function;
Wherein wax material feed system comprises dewaxing device (104), feeding pipe (103) and storage wax box (102);
Said high speed sprayed printed system comprises jet array (101), vacuum system (105) and drive system;
Said jet array (101) be arranged on said three-shaft linkage workbench (106) directly over, with two drivings of the level in the said three-shaft linkage workbench (106);
Said jet array (101) connects said storage wax box (102) and vacuum system (105) respectively, and said storage wax box (102) connects said dewaxing device (104).
2. artificial tooth wax-pattern free forming as claimed in claim 1 system, it is characterized in that: the shower nozzle in the said jet array (101) is the piezoelectric type shower nozzle.
3. artificial tooth wax-pattern free forming as claimed in claim 2 system is characterized in that: said piezoelectric type shower nozzle comprises piezoelectric ceramic piece (204), barrier film (202), cavity volume (207), inlet (203), reservoir (206), feed liquid pipeline (201) and nozzle (208);
One end of said feed liquid pipeline (201) connects said storage wax box (102), and the other end connects said reservoir (206), inlet (203), cavity volume (207) and nozzle (208) successively;
Said potsherd (204) by the driving signal controlling is arranged on the top of said cavity volume (207), and said barrier film (202) is arranged between said cavity volume (207) and the said potsherd (204).
4. like any described artificial tooth wax-pattern free forming system in the claim 1 to 3, it is characterized in that: have the White paraffin material in the said dewaxing device (104).
CN2010105572795A 2010-11-24 2010-11-24 False tooth wax pattern free forming system Pending CN102362819A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010105572795A CN102362819A (en) 2010-11-24 2010-11-24 False tooth wax pattern free forming system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010105572795A CN102362819A (en) 2010-11-24 2010-11-24 False tooth wax pattern free forming system

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CN102362819A true CN102362819A (en) 2012-02-29

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103407290A (en) * 2013-07-18 2013-11-27 华中科技大学 Three-dimensional structure preparation method and device based on electronic jet printing
CN109049697A (en) * 2018-09-07 2018-12-21 云南科威液态金属谷研发有限公司 A kind of 3D printing device of liquid metal combination photosensitive resin injection molding
CN112618075A (en) * 2021-01-09 2021-04-09 昝艳 High-palladium composite base material forming device for false tooth
CN113478971A (en) * 2021-08-07 2021-10-08 嘉兴学院 Two-axis electrohydrodynamic drive printing equipment with multiple nozzles

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103407290A (en) * 2013-07-18 2013-11-27 华中科技大学 Three-dimensional structure preparation method and device based on electronic jet printing
CN103407290B (en) * 2013-07-18 2016-04-20 华中科技大学 A kind of preparation method of the stereochemical structure based on EFI print and device
CN109049697A (en) * 2018-09-07 2018-12-21 云南科威液态金属谷研发有限公司 A kind of 3D printing device of liquid metal combination photosensitive resin injection molding
CN112618075A (en) * 2021-01-09 2021-04-09 昝艳 High-palladium composite base material forming device for false tooth
CN113478971A (en) * 2021-08-07 2021-10-08 嘉兴学院 Two-axis electrohydrodynamic drive printing equipment with multiple nozzles

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Application publication date: 20120229