CN106738920A - A kind of immersion 3D printing platform - Google Patents
A kind of immersion 3D printing platform Download PDFInfo
- Publication number
- CN106738920A CN106738920A CN201710059430.4A CN201710059430A CN106738920A CN 106738920 A CN106738920 A CN 106738920A CN 201710059430 A CN201710059430 A CN 201710059430A CN 106738920 A CN106738920 A CN 106738920A
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- China
- Prior art keywords
- liquid
- leading screw
- immersion
- storing part
- model
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
Abstract
The present invention relates to a kind of immersion 3D printing platform, including fill the liquid-storing part of liquid, lifting platform portion, liquid circulation portion and heating part.The lifting platform portion is placed in inside liquid-storing part, and the liquid circulation portion connects liquid-storing part, and the heating part is connected with liquid-storing part insulation.The liquid-storing part and heating part collective effect of the application, make fluid temperature stabilization be adapted to eliminate the scope of material internal stress, after material is extruded from the extrusion equipment of printer, are attached on pallet or model, and model is little by little immersed among liquid.In print procedure, the superiors of model are kept to expose liquid level, model all immerses in a liquid after the completion of printing, withdraws from the present apparatus to after being molded completely and is cooled down, so as to maximize reduce the influence such as alice that material internal stress is produced on model.
Description
Technical field
The present invention relates to a kind of 3D printer, more particularly to a kind of immersion 3D printing platform.
Background technology
In 3D printing technique, extrusion equipment successively extrudes raw material according to the path of setting, so as to construct threedimensional model.
Raw material are influenceed by its material expand coefficient, from be expressed into shaping during can produce different degrees of internal stress, after
And cause model to produce deformation, such as alice, cracking even printing failure.The internal stress for eliminating or reducing material can improve mould
Type quality, in current industry it is many using pallet heating, glue on pallet special double faced adhesive tape, closed print space make model compared with
The method such as shaping reduces influence of the internal stress to model under high-temperature, but, the mode of pallet heating can only be heated and model
What is contacted is nearest several layers of, while the intensity of molded layer can be reduced, so indefinite to suppressing the metamorphosis such as alice；In pallet
The mode of upper viscous special double faced adhesive tape, can only to a certain extent control the generation of alice, while model and pallet can be increased
Adhesive force is relatively difficult when causing modulus type, results even in some more exquisite models and damages；Closed print space makes mould
The mode that type is molded at relatively high temperatures, the sealing requirements to equipment are higher, the cost especially for larger 3D printer
It is higher, if while the high temperature of inside can not isolate with wire and mechanical structure, can the abrasion of acceleration equipment and aging.
The content of the invention
It is an object of the invention to provide a kind of immersion 3D printing platform, material planted agent in forming process is greatly reduced
Alice, deformation that power is caused on model etc. influence.
In order to solve the above problems, the invention provides a kind of immersion 3D printing platform, including the storage liquid for filling liquid
Portion, lifting platform portion, liquid circulation portion and heating part；The lifting platform portion is placed in inside liquid-storing part, the liquid circulation portion
Connection liquid-storing part, liquid is circulated between liquid-storing part and liquid circulation portion, and the heating part is connected with liquid-storing part insulation, controls
The fluid temperature of liquid-storing part processed.
Heating part generation heat energy makes the liquid of liquid-storing part be maintained at the temperature for being adapted to eliminate internal stress.Lifting platform portion carries
Printer model, and Controlling model and liquid exposure level.The liquid circulation of liquid-storing part is flowed in the liquid circulation portion, from
And make the temperature of liquid everywhere uniform.
Further, the liquid-storing part includes the main liquid bath and overflow launder of connection, the liquid of main liquid bath can enter overflow
Groove.
Further, the lifting platform portion includes elevating mechanism and the pallet on elevating mechanism, and pallet is used for
Model is carried, elevating mechanism controls the lifting of pallet, and then adjustment model immerses degree in a liquid.
Further, the elevating mechanism include at least two groups lead screw pair being made up of screw rod and nut, actuator and
Gear unit；The gear unit includes the belt of the drive and connection drive on leading screw；The leading screw includes master
Dynamic leading screw and passive leading screw, drive include initiative driver and passive drive, wherein active leading screw correspondence initiative driver,
The passive drive of passive leading screw correspondence；The leading screw and nut screw connection form lead screw pair, and the actuator connects active leading screw, drives
Dynamic active leading screw rotary motion.Initiative driver is acted with active leading screw, and is rotated by belt drive driven transmission wheel, so that
Passive leading screw rotary motion is driven, and then active leading screw and passive leading screw is kept synchronous axial system.Leading screw is rotated and drives nut to do
Linear motion, so as to realize the lifting of pallet.
Further, the liquid circulation portion includes circulating pump, and the inlet and liquid outlet of the circulating pump connect respectively
Logical overflow launder and main liquid bath, circulating pump suck liquid and are transported to main liquid bath from overflow launder, realize circulating for liquid.
Further, the heating part includes heating rod and temperature controller, and the heating rod is located at the bottom of main liquid bath, institute
Temperature controller is stated on heating rod, heat energy is passed to heating rod the liquid of main liquid bath by main liquid bath, temperature controller is used to adjust
With control heating rod, so as to control the temperature range of liquid.
Further, the mounting seat of connection leading screw, the mounting seat and leading screw active link are provided with the main liquid bath.
Further, the heating rod external power supply.
Further, the actuator is motor, the motor external power supply.
Compared with prior art, there is following technique effect in the present invention：
1st, liquid-storing part and heating part collective effect, make fluid temperature stabilization be adapted to eliminate the scope of material internal stress, material
After material is extruded from the extrusion equipment of printer, it is attached on pallet or model, model is little by little immersed among liquid.
In print procedure, the superiors of model are kept to expose liquid level, model all immerses in a liquid after the completion of printing, to being molded completely
After withdraw from this print platform and cooled down, so as to maximize the negative influence for reducing material internal stress to model.
2nd, liquid circulation portion makes the liquid in main liquid bath and overflow launder form circulation, so that the fluid temperature in main liquid bath
Uniformly, it is to avoid the deformation even situation of shaping failure occurs because of non-uniform temperature in model.
3rd, the application is relatively low to sealing requirements, and corresponding financial cost is low.The application can make the parts such as motor not with height
Isothermal segment is contacted, therefore can reduce the performance requirement to some parts, has further controlled financial cost, and realize larger rule
The stabilization printing of mould.
4th, the density of the density of the liquid that the application is selected and cast material closely, can be saved in some operating modes
Model support.Such as model be related to vertical line into 45 degree of angles face when, material can be affected by gravity and fall under conventional situation,
Printing is caused to fail, and in this print platform, material enters in liquid quickly after being extruded, due to model floating in a liquid
Power and gravity are close, therefore material will not fall, therefore model support is eliminated in the case of this kind, improve the economy of printing.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the application.
Wherein, 11, main liquid bath, 12, dividing plate, 13, overflow launder, 14, mounting seat, 21, circulating pump, 31, temperature controller, 32, plus
Hot pin, 411, active leading screw, 412, passive leading screw, 42, nut, 43, pallet, 441, initiative driver, 442, passive drive,
45th, belt, 46, motor.
Specific embodiment
Below in conjunction with accompanying drawing, lift a specific embodiment and described in detail.
In order to solve the above problems, the invention provides a kind of immersion 3D printing platform, including the storage liquid for filling liquid
Portion, lifting platform portion, liquid circulation portion and heating part；The lifting platform portion is placed in inside liquid-storing part, the liquid circulation portion
Connection liquid-storing part, the heating part is connected with liquid-storing part insulation.Heating part produces heat and the liquid of liquid-storing part is maintained at suitable
Close the temperature for eliminating material internal stress.Lifting platform portion carries printer model, and Controlling model and liquid exposure level.Institute
Stating liquid circulation portion flows the liquid circulation of liquid-storing part, so that ensure that the temperature of model surrounding liquid is uniform,.
Liquid-storing part includes a groove for splendid attire liquid, has a dividing plate 12 to be classified as main liquid bath 11 and overflow launder 13 in groove,
Just overflow launder 13 is flowed into after the height of liquid arrival dividing plate 12 from main liquid bath 11.The bottom insulation connection heating part of main liquid bath 11,
That is heating rod 32 and temperature controller 31.Heating rod 32 converts electrical energy into heat energy by the way of external power supply, in main liquid bath 11
Liquid heating.Temperature controller 31 is arranged on heating rod 32, the work for regulating and controlling heating rod 32.Main liquid bath 11 and overflow launder 13
Bottom respectively have a through hole, the liquid outlet and inlet of circulating pump 21 in liquid circulation portion are connected by pipe fitting respectively, realize
The circulation of liquid.The bottom of main liquid bath 11 is additionally provided with mounting seat 14, for fixed platform lifting unit.Wrap in lifting platform portion
Include 42, four drives matched with leading screw of four groups of leading screws being mutually matched and nut, 45, motor 46 and of a belt
Individual pallet 43.Wherein one end of leading screw connects mounting seat 14 by bearing, and other end connection drive leads between each drive
Belt 45 is crossed to connect.Wherein leading screw is divided into active leading screw 411 and passive leading screw 412, and drive is divided into initiative driver 441 and quilt
Dynamic drive 442, initiative driver 441 is arranged on active leading screw 411, and passive drive 442 is arranged on passive leading screw 412
On.The external power supply of motor 46, its output shaft is connected with active leading screw 411, drives active leading screw 411 to rotate, initiative driver 441
With the synchronization action of active leading screw 411, and all screw synchronous are rotated by belt 45, nut 42 does straight line with the rotation of leading screw
Motion, so that the pallet 43 being connected on nut 42 is steadily lifted, and then controls in model and the main liquid bath 11 on pallet 43
Liquid exposure level.
During into working condition, temperature controller 31 and the co- controlling fluid temperature of heating rod 32 are constant, and the temperature value is less than material
Expect from printer extrusion equipment be extruded when temperature, be adapted to eliminate material internal stress temperature value.Circulating pump 21 makes liquid
Keep recurrent state, it is ensured that fluid temperature is uniform everywhere.Pallet 43 is initially positioned at the top of liquid, and the first layer material sets from extrusion
Standby extrusion is simultaneously attached on pallet 43.Motor 46 drives leading screw to rotate, and pallet 43 is contacted with the decline of nut 52 and gradually with liquid.
In print procedure, constant liquid level, the lengthwise position of the extrusion equipment of printer, i.e. shower nozzle is constant, and pallet successively declines and protects
The upper strata for holding model does not contact with liquid.After the completion of printing, model immerses keep certain hour in a liquid completely, treat completely into
Liquid, natural cooling are disengaged it from after type.
The liquid-storing part and heating part collective effect of the application, make fluid temperature stabilization be adapted to eliminate the model of material internal stress
Enclose, after material is extruded from the extrusion equipment of printer, be attached on pallet or model, model is little by little immersed in liquid
Among.In print procedure, the superiors of model are kept to expose liquid level, model all immerses in a liquid after the completion of printing, extremely complete
This print platform is withdrawn from after full shaping and cooled down, so as to maximize the negative influence for reducing material internal stress to model.Liquid
Body circulation portion makes the liquid in the main liquid bath 11 of storage and overflow launder 13 form circulation, so that the fluid temperature in main liquid bath 11 is equal
It is even, it is to avoid the deformation even situation of shaping failure occurs because of non-uniform temperature in model.In addition, the application is to sealing requirements
Relatively low, corresponding financial cost is low.The application can be such that the grade part of motor 46 is not contacted with high-temperature part, therefore can reduce to some
The performance requirement of part, has further controlled financial cost, and realize fairly large stabilization printing.
Disclosed above is only a specific embodiment of the application, but the application is not limited to this, any this area
Technical staff can think change, should all fall in the protection domain of the application.
Claims (9)
1. a kind of immersion 3D printing platform, it is characterised in that followed including filling the liquid-storing part of liquid, lifting platform portion, liquid
Ring portion and heating part；
The lifting platform portion is placed in inside liquid-storing part, and the liquid circulation portion connects liquid-storing part, and liquid is in liquid-storing part and liquid
Circulated between circulation portions, the heating part is connected with liquid-storing part insulation, controls the fluid temperature of liquid-storing part.
2. immersion 3D printing platform as claimed in claim 1, it is characterised in that the liquid-storing part includes the main liquid bath of connection
And overflow launder, the liquid of main liquid bath can enter overflow launder.
3. immersion 3D printing platform as claimed in claim 1, it is characterised in that the lifting platform portion includes elevating mechanism
With the pallet on elevating mechanism, pallet undertaking 3D models, elevating mechanism drive pallet lift.
4. immersion 3D printing platform as claimed in claim 3, it is characterised in that the elevating mechanism include at least two groups by
Lead screw pair, actuator and gear unit that screw rod and nut are constituted；
The gear unit includes the belt of the drive and connection drive on leading screw；
The leading screw includes active leading screw and passive leading screw, and drive includes initiative driver and passive drive, wherein actively
Leading screw correspondence initiative driver, the passive drive of passive leading screw correspondence；
The actuator connects active leading screw, drives active leading screw rotary motion.
5. immersion 3D printing platform as claimed in claim 2, it is characterised in that the liquid circulation portion includes circulating pump,
The inlet and liquid outlet of the circulating pump are respectively communicated with overflow launder and main liquid bath.
6. immersion 3D printing platform as claimed in claim 2, it is characterised in that the heating part includes heating rod and temperature control
Device, located at the bottom of main liquid bath, the temperature controller is on heating rod for the heating rod.
7. the immersion 3D printing platform as described in claim 2 or 4, it is characterised in that be provided with connecting filament in the main liquid bath
The mounting seat of thick stick, the mounting seat and leading screw active link.
8. immersion 3D printing platform as claimed in claim 6, it is characterised in that the heating rod external power supply.
9. immersion 3D printing platform as claimed in claim 4, it is characterised in that the actuator is motor, the motor
External power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710059430.4A CN106738920A (en) | 2017-01-24 | 2017-01-24 | A kind of immersion 3D printing platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710059430.4A CN106738920A (en) | 2017-01-24 | 2017-01-24 | A kind of immersion 3D printing platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106738920A true CN106738920A (en) | 2017-05-31 |
Family
ID=58942246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710059430.4A Pending CN106738920A (en) | 2017-01-24 | 2017-01-24 | A kind of immersion 3D printing platform |
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| Country | Link |
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| CN (1) | CN106738920A (en) |
Cited By (4)
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| CN107470613A (en) * | 2017-07-27 | 2017-12-15 | 苏州热工研究院有限公司 | A kind of metal 3D printing substrate performance stabilization system |
| CN107599400A (en) * | 2017-09-24 | 2018-01-19 | 宋彦震 | A kind of 3D printer hoistable platform |
| WO2019079293A1 (en) * | 2017-10-16 | 2019-04-25 | Voxel8, Inc. | 3d-printing using reactive precursors |
| CN113370532A (en) * | 2021-06-04 | 2021-09-10 | 天津大学 | Temperature control system and method for fused deposition modeling 3D printing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107470613A (en) * | 2017-07-27 | 2017-12-15 | 苏州热工研究院有限公司 | A kind of metal 3D printing substrate performance stabilization system |
| CN107599400A (en) * | 2017-09-24 | 2018-01-19 | 宋彦震 | A kind of 3D printer hoistable platform |
| WO2019079293A1 (en) * | 2017-10-16 | 2019-04-25 | Voxel8, Inc. | 3d-printing using reactive precursors |
| US11845217B2 (en) | 2017-10-16 | 2023-12-19 | Kornit Digital Technologies Ltd. | 3D-printing using reactive precursors |
| CN113370532A (en) * | 2021-06-04 | 2021-09-10 | 天津大学 | Temperature control system and method for fused deposition modeling 3D printing |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |
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| RJ01 | Rejection of invention patent application after publication |