CN106824618A - A kind of fine liquid drop spray shaping control device based on 3D printing technique - Google Patents
A kind of fine liquid drop spray shaping control device based on 3D printing technique Download PDFInfo
- Publication number
- CN106824618A CN106824618A CN201611181709.1A CN201611181709A CN106824618A CN 106824618 A CN106824618 A CN 106824618A CN 201611181709 A CN201611181709 A CN 201611181709A CN 106824618 A CN106824618 A CN 106824618A
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- China
- Prior art keywords
- liquid
- nozzle
- control device
- micro
- dorp
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0278—Arrangement or mounting of spray heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
- B05B15/55—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids
Abstract
Control device is shaped the present invention relates to a kind of fine liquid drop spray based on 3D printing technique, it is characterised in that including：Micro-liquid-dorp nozzle, workbench, drive system, drop observation system, liquid-supplying system, computer control module and power module；The micro-liquid-dorp nozzle is installed on the top of workbench, and the micro-liquid-dorp nozzle is connected with liquid-supplying system；The workbench is connected with drive system, and the computer control module is then connected to drive system, drop observation system and liquid-supplying system；The liquid-supplying system includes reservoir and controls the liquid of the reservoir into the over-pressure control device of micro-liquid-dorp nozzle, the over-pressure control device to be connected with reservoir, and the reservoir is connected with micro-liquid-dorp nozzle.The device sprays liquid-supplying system using over-pressure control drop, and it is not only applied widely, and simple structure is flexibly, easy to operate.
Description
Technical field
Control device is shaped the present invention relates to a kind of fine liquid drop spray based on 3D printing technique.
Background technology
The manufacture of 3D increments first develops direction as Digitized manufacturing, is typical advanced manufacturing technology, in modern work
Journey technical field is widely applied, and fine liquid drop spray free forming technology play in 3D increment manufacturing technologies it is important
Role.At present, the fine liquid drop spray liquid-supplying system of 3D increments manufacture has following functions：1. the liquid of reservoir is pressed on time
Transmit into jet pipe to amount；2. remain to keep the liquid level stabilizing in nozzle when liquid-supplying system is shut down, there is no leakage phenomenon；3. using not
During with liquid, the glass tube walls of tube wall or shower nozzle produce attachment, or even block pipeline, it is necessary to fixed time cleaning.And, it is existing micro-
Drop sprays liquid-supplying system, is normally applied negative pressure and carrys out control system.But, the shortcoming of fine liquid drop spray feed flow negative pressure system is knot
Structure is complicated, and technical sophistication is expensive, and is influenceed by vacuum and make its fed distance shorter.
The content of the invention
The present invention is in view of the shortcomings of the prior art, there is provided a kind of fine liquid drop spray shaping control dress based on 3D printing technique
Put；The device sprays liquid-supplying system using over-pressure control drop, and it is not only applied widely, and simple structure is flexibly, operation
It is convenient.
In order to achieve the above object, a kind of fine liquid drop spray shaping control device based on 3D printing technique of the present invention, main
Including：Micro-liquid-dorp nozzle for producing microlayer model, the workbench for receiving microlayer model, for driving to realize workbench
The drive system of three degree of freedom motion, the drop observation system of the microlayer model motion morphology for observing in micro-liquid-dorp nozzle,
For providing liquid-supplying system of the injection liquid to micro-liquid-dorp nozzle at regular time and quantity, for controlling drive system, drop observation system
The computer control module run with liquid-supplying system, and for providing the power module of the energy；The micro-liquid-dorp nozzle is installed
In the top of workbench, the micro-liquid-dorp nozzle is connected with liquid-supplying system；The workbench is connected with drive system, and the calculating
Machine control module is then connected to drive system, drop observation system and liquid-supplying system；The liquid-supplying system include reservoir with
And control the liquid of the reservoir into the over-pressure control device of micro-liquid-dorp nozzle, the over-pressure control device to connect with reservoir
Connect, the reservoir is connected with micro-liquid-dorp nozzle.
Preferably, the micro-liquid-dorp nozzle is provided with jet pipe, spray chamber and nozzle, and the spray chamber and nozzle are transparent material structure；
To facilitate the fluid of observation nozzle interior and the form of drop.
The micro-liquid-dorp nozzle can put the fine droplet that water spray soluble substance or other liquid are produced, and can spray certain viscous
The liquid of degree and surface tension, certain nozzle can also meet injection high-temp liquid.
Preferably, the drop observation system is installed on the top of workbench, to facilitate observation.
Preferably, the power module is provided with stroboscopic light source drive output port, and the stroboscopic light source drive output port sends
Level triggers signal transmission give drop observation system.
The power module controls driving voltage for periodic signal, realizes the single injection of drop.It can provide triangular wave,
Square wave, sine wave；And self-defined ripple output is supported, just can export customizable voltage waveform by connecting host computer.
As the further improvement of such scheme, the drop observation system it is main by camera, microlens, light source and
Light source controller is constituted；Light of the level triggers signal transmission that the stroboscopic light source drive output port sends to drop observation system
Source controller, more preferably more easily to control light source, flash lamp or camera in observed drop.
Preferably, the reservoir is connected with the elevating mechanism for being lifted the reservoir.
The liquid of the reservoir is injected in the jet pipe of micro-liquid-dorp nozzle on time, and spray can be kept in the gap shut down or work
Liquid stabilising in mouth, occurs without leakage.When therefore carrying out over-pressure control to injection liquid in the course of injection of microlayer model, for
During using different liquids, the phenomenon that the attachment that tube wall or nozzle occur even is blocked is timed cleaning and keeps a public place clean to equipment.Regulation
Over-pressure control device, can realize cleaning fluid quick washing in jet pipe, realize clean-keeping function.
Used as the further improvement of such scheme, the elevating mechanism is lifting platform.
Preferably, the over-pressure control device it is main by be sequentially connected source of the gas, the first gas appearance, overflow valve, pressure regulator valve and
Second gas holds composition；The second gas appearance is connected with reservoir.
First, source of the gas holds into the first gas, the atmospheric pressure value of the second gas appearance is controlled by overflow valve and pressure regulator valve, it is ensured that air pressure
Value is stablized than relatively.By the air pressure for controlling the second gas to hold, during the liquid in reservoir squeezed into micro-liquid-dorp nozzle, further
Regulation pressure regulator valve, until micro-liquid-dorp nozzle is hardly outward untill trickle, so as to realize coarse adjustment.Then lifting platform is passed through
Difference in height between regulation reservoir and micro-liquid-dorp nozzle liquid level, due to the effect of surface tension of liquid, can accurately be adjusted
The liquid surface shape of microlayer model at nozzle.
The basic demand for realizing over-pressure control mode is the liquid level of the height less than jet pipe of reservoir liquid level.The present invention
One steady operation is provided and the platform of observation is easy to implement, its Bian ensures liquid level stabilizing and clearly with the mode of control malleation
Micro-liquid-dorp nozzle is washed, it is achieved thereby that the stabilization of liquid level and the purpose of cleaning.The pressure and apolegamy nozzle of present invention control liquid
The hydrophobicity on surface, by optimizing driving frequency, amplitude and the high-level retention time of system, so as to solve in micro-liquid-dorp nozzle
The course of work in occur nozzle choking problems.
The present invention is using over-pressure control drop injection liquid-supplying system, and it is not only applied widely, and simple structure is flexibly,
It is easy to operate.
Brief description of the drawings
Fig. 1 is general structure schematic diagram of the invention；
Fig. 2 is the general flow chart of over-pressure control device.
Wherein, 1 is micro-liquid-dorp nozzle, and 2 is workbench, and 3 is drive system, and 4 is drop observation system, and 5 is liquid-supplying system,
51 is reservoir, and 521 is source of the gas.522 hold for the first gas, and 523 is overflow valve, and 524 is pressure regulator valve, and 525 hold for the second gas, and 6 are
Computer control module, 7 is power module, and 8 is lifting platform.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.
A kind of reference picture 1~2, fine liquid drop spray shaping control device based on 3D printing technique of the embodiment of the present invention is main
Including：Micro-liquid-dorp nozzle 1 for producing microlayer model, the workbench 2 for receiving microlayer model, for driving to realize work
The drive system 3 of the three degree of freedom of platform 2 motion, the drop observation of the microlayer model motion morphology for observing in micro-liquid-dorp nozzle 1
System 4, for providing liquid-supplying system 5 of the injection liquid to micro-liquid-dorp nozzle 1 at regular time and quantity, for controlling drive system 3, drop
Observation system 4 and the computer control module 6 of the operation of liquid-supplying system 5, and for providing the power module 7 of the energy；It is described micro-
Droplet discharging head 1 and drop observation system 4 are installed on the top of workbench 2, and the micro-liquid-dorp nozzle 1 is connected with liquid-supplying system 5；It is described
Workbench 2 is connected with drive system 3, and the computer control module 6 is then connected to drive system 3, the and of drop observation system 4
Liquid-supplying system 5；The liquid-supplying system 5 includes reservoir 51 and controls the liquid of the reservoir 51 to enter micro-liquid-dorp nozzle 1
Over-pressure control device, the over-pressure control device is connected with reservoir 51, and the reservoir 51 is connected with micro-liquid-dorp nozzle 1；Institute
State reservoir 51 and be connected with lifting platform 8 for being lifted the reservoir 51；The over-pressure control device is main by successively
The source of the gas 521 of connection, the first gas hold 522, overflow valve 523, the gas of pressure regulator valve 524 and second and hold 525 compositions；Second gas holds
525 are connected with reservoir 51.
The micro-liquid-dorp nozzle 1 is provided with jet pipe, spray chamber and nozzle, and the spray chamber and nozzle are transparent material structure；With convenient
Observe the fluid of nozzle interior and the form of drop.The micro-liquid-dorp nozzle 1 can put water spray soluble substance or other liquid are produced
Raw fine droplet, can spray the liquid of certain viscosity and surface tension, and certain nozzle can also meet injection high-temp liquid.
The power module 7 is provided with stroboscopic light source drive output port, the level that the stroboscopic light source drive output port sends
Trigger signal is transferred to drop observation system 4.The power module controls driving voltage for periodic signal, realizes the single spray of drop
Penetrate.It can provide triangular wave, square wave, sine wave；And self-defined ripple output is supported, can with regard to that can export by connecting host computer
Customization voltage waveform.The drop observation system 4 is mainly made up of camera, microlens, light source and light source controller；It is described
The level triggers signal transmission that stroboscopic light source drive output port sends to drop observation system 4 light source controller, with observation
Light source, flash lamp or camera are more preferably more easily controlled during drop.
The liquid of the reservoir 51 injects in the jet pipe of micro-liquid-dorp nozzle 1 on time, can be protected in the gap shut down or work
The liquid stabilising in nozzle is held, leakage is occurred without.When therefore carrying out over-pressure control to injection liquid in the course of injection of microlayer model,
During for using different liquids, the phenomenon that the attachment that tube wall or nozzle occur even is blocked is timed cleaning and keeps a public place clean to equipment.
Regulation over-pressure control device, can realize cleaning fluid quick washing in jet pipe, realize clean-keeping function.
For over-pressure control device, first, source of the gas 521 enters the first gas and holds 522, by overflow valve 523 and pressure regulator valve 524
The atmospheric pressure value for controlling the second gas to hold 525, it is ensured that atmospheric pressure value ratio is stablized relatively.Hold 525 air pressure by controlling the second gas, by liquid storage
Liquid in device 51 is squeezed into micro-liquid-dorp nozzle 1, further regulation pressure regulator valve 524, until micro-liquid-dorp nozzle 1 is hardly past
Untill outer trickle, so as to realize coarse adjustment.Then adjusted between reservoir 51 and the liquid level of micro-liquid-dorp nozzle 1 by lifting platform 8
Difference in height, due to the effect of surface tension of liquid, can accurately adjust the liquid surface shape of microlayer model at nozzle.
The basic demand for realizing over-pressure control mode is the liquid level of the height less than jet pipe of the liquid level of reservoir 8.This hair
It is bright that a steady operation is provided and the platform of observation is easy to implement, its Bian ensured with the mode of control malleation liquid level stabilizing with
Cleaning micro-liquid-dorp nozzle, it is achieved thereby that the stabilization of liquid level and the purpose of cleaning.The pressure of present invention control liquid and apolegamy are sprayed
The hydrophobicity of nozzle surface, by optimizing driving frequency, amplitude and the high-level retention time of system, so as to solve to be sprayed in microlayer model
The nozzle choking problems occurred in the course of work of head.
The present invention is using over-pressure control drop injection liquid-supplying system, and it is not only applied widely, and simple structure is flexibly,
It is easy to operate.
Below the present invention is described in detail, but it will be apparent that those skilled in the art can carry out various changing
Become and improve, without departing from the scope of the present invention that appended claims are limited.
Claims (8)
1. a kind of fine liquid drop spray based on 3D printing technique shapes control device, it is characterised in that mainly include：For producing
The micro-liquid-dorp nozzle of microlayer model, the workbench for receiving microlayer model, for driving to realize that workbench three degree of freedom is moved
Drive system, the drop observation system of the microlayer model motion morphology for observing in micro-liquid-dorp nozzle, for carrying at regular time and quantity
For spraying liquid-supplying system of the liquid to micro-liquid-dorp nozzle, for controlling drive system, drop observation system and liquid-supplying system to run
Computer control module, and for providing the power module of the energy；The micro-liquid-dorp nozzle is installed on the top of workbench,
The micro-liquid-dorp nozzle is connected with liquid-supplying system；The workbench is connected with drive system, and the computer control module then connects
It is connected to drive system, drop observation system and liquid-supplying system；The liquid-supplying system includes reservoir and controls the reservoir
Liquid enter the over-pressure control device of micro-liquid-dorp nozzle, the over-pressure control device is connected with reservoir, the reservoir with it is micro-
Droplet discharging head is connected.
2. a kind of fine liquid drop spray based on 3D printing technique according to claim 1 shapes control device, and its feature exists
In the micro-liquid-dorp nozzle is provided with spray chamber and nozzle, and the spray chamber and nozzle are transparent material structure.
3. a kind of fine liquid drop spray based on 3D printing technique according to claim 1 shapes control device, and its feature exists
In the drop observation system is installed on the top of workbench.
4. a kind of fine liquid drop spray based on 3D printing technique according to claim 1 shapes control device, and its feature exists
In the power module is provided with stroboscopic light source drive output port, the level triggers letter that the stroboscopic light source drive output port sends
Number it is transferred to drop observation system.
5. a kind of fine liquid drop spray based on 3D printing technique according to claim 4 shapes control device, and its feature exists
In the drop observation system is mainly made up of camera, microlens, light source and light source controller；The stroboscopic light source drives
Light source controller of the level triggers signal transmission that dynamic delivery outlet sends to drop observation system.
6. a kind of fine liquid drop spray based on 3D printing technique according to claim 1 shapes control device, and its feature exists
In the reservoir is connected with the elevating mechanism for being lifted the reservoir.
7. a kind of fine liquid drop spray based on 3D printing technique according to claim 6 shapes control device, and its feature exists
In the elevating mechanism is lifting platform.
8. a kind of fine liquid drop spray based on 3D printing technique according to claim 1 shapes control device, and its feature exists
In the over-pressure control device is main to be made up of the source of the gas, the first gas appearance, overflow valve, pressure regulator valve and the second gas appearance that are sequentially connected；
The second gas appearance is connected with reservoir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611181709.1A CN106824618A (en) | 2016-12-20 | 2016-12-20 | A kind of fine liquid drop spray shaping control device based on 3D printing technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611181709.1A CN106824618A (en) | 2016-12-20 | 2016-12-20 | A kind of fine liquid drop spray shaping control device based on 3D printing technique |
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| Publication Number | Publication Date |
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| CN106824618A true CN106824618A (en) | 2017-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611181709.1A Pending CN106824618A (en) | 2016-12-20 | 2016-12-20 | A kind of fine liquid drop spray shaping control device based on 3D printing technique |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108927234A (en) * | 2018-05-15 | 2018-12-04 | 西安交通大学 | It is a kind of to be impulsed the drop generating system of mechanism based on piezoelectricity |
| CN109823049A (en) * | 2018-12-26 | 2019-05-31 | 华中科技大学 | A kind of the multiple target injection frequency control method and equipment of spray printing drop |
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| CN104175553A (en) * | 2014-07-18 | 2014-12-03 | 上海交通大学医学院附属第九人民医院 | Novel three-dimensional printing forming tester for false-tooth wax pattern |
| CN106053467A (en) * | 2016-06-08 | 2016-10-26 | 中国科学院上海微***与信息技术研究所 | Device and method for observing micro-droplets |
| WO2016173061A1 (en) * | 2015-04-30 | 2016-11-03 | 金葆青 | Antidrip spray nozzle for 3d printer |
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| US20050238794A1 (en) * | 2004-04-27 | 2005-10-27 | Korea Advanced Institute Of Science And Technology | Method and apparatus for coloring three-dimensional object |
| CN103462725A (en) * | 2013-08-06 | 2013-12-25 | 浙江大学 | Printing device for three-dimensional biological structure and printing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108927234A (en) * | 2018-05-15 | 2018-12-04 | 西安交通大学 | It is a kind of to be impulsed the drop generating system of mechanism based on piezoelectricity |
| CN109823049A (en) * | 2018-12-26 | 2019-05-31 | 华中科技大学 | A kind of the multiple target injection frequency control method and equipment of spray printing drop |
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Application publication date: 20170613 |