CN109895396A - A kind of 3D powder printing colour mixture mechanism and its color mixing method - Google Patents
A kind of 3D powder printing colour mixture mechanism and its color mixing method Download PDFInfo
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- CN109895396A CN109895396A CN201711311042.7A CN201711311042A CN109895396A CN 109895396 A CN109895396 A CN 109895396A CN 201711311042 A CN201711311042 A CN 201711311042A CN 109895396 A CN109895396 A CN 109895396A
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Abstract
The present invention relates to a kind of 3D powder printing colour mixture mechanism and its color mixing methods comprising several primary colors delivery units and colour mixture unit；Wherein primary colors delivery unit includes color conveyor chamber, and primary colors tank, air pressure input pipe A, solvent input pipe, primary colors efferent duct, waste liquid discharge pipe are connected on primary colors conveyor chamber, and waste liquid discharge pipe is located at bottom；Colour mixture unit includes spherical primary colors mixing chamber, the top setting connection primary colors efferent duct of primary colors mixing chamber, air pressure input pipe B is set in the middle part of sliding channel of primary colors mixing chamber, flour mixed with adulterants is set in the bottom sidewall of primary colors mixing chamber, flour mixed with adulterants surface includes confluence cambered surface and jet stream cambered surface, pipe is projected in the bottom setting of primary colors mixing chamber, and waste liquid discharge pipe is arranged in the bottom sidewall of primary colors mixing chamber；This structure realizes dilution, mixing, the atomization, course of injection of dyestuff using the method for air pressure, mixed liquid, while the discharge of each unit waste liquid is also realized using air pressure.
Description
Technical field
The present invention relates to a kind of 3D powder printing colour mixture mechanism and its color mixing methods, belong to 3D printing field.
Background technique
In some powder print procedures, because of relevant demand, need as the process successively printed is to workpiece surface
The coloring registered, traditional coloring system is similar to ink jet printing device, using the mixing of each primary colors pigment, after mixing
The spraying droplets of generation are to printing workpiece surface, but such printing type, often go out with inkjet head because of printing powder
It is dry and hard and blocking for ink-jet system occurs, and because 3D printing ink-jet distance compared to file inkjet printing distance more
Greatly, the ink ejection amount needed when printing is also more, and the residual droplets that last time printing generates are easy to secondary spray to and beat next time
It prints on position, so that the local precision of color deviates, influences product quality.
Summary of the invention
The technical problem to be solved by the present invention is ink-jet coloring system traditional in the prior art is overcome easily to block and color
The technical problem of precision difference provides a kind of 3D powder printing colour mixture mechanism and its color mixing method.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of 3D powder printing colour mixture mechanism comprising several primary colors delivery units and colour mixture unit；The wherein primary colors transport
Unit includes a primary colors conveyor chamber, and a primary colors tank is connected at the top of the primary colors conveyor chamber, is provided in primary colors tank
One extrusion piston is used to squeeze the primary colour dye in primary colors tank, and the primary colors conveyor chamber is spherical structure, the primary colors transport
It is connected with an air pressure input pipe A in the upper portion side wall of chamber, a solvent input is connected in the bottom sidewall of primary colors transport chamber
Pipe, the axis of the air pressure input pipe A and the axis of solvent input pipe intersect in the center of primary colors conveyor chamber, the primary colors
A primary colors efferent duct is provided in the middle part of sliding channel of transport chamber, wherein primary colors input pipe A is located at inner wall on the right side of primary colors conveyor chamber,
Air pressure input pipe A, solvent input pipe are located at primary colors conveyor chamber inner left wall, between with respect to primary colors transport chamber center be in mirror image pair
Claim, the bottom of the primary colors conveyor chamber is provided with a waste liquid discharge pipe, is connected with negative pressure drawing liquid on the waste liquid discharge pipe and sets
It is standby；The colour mixture unit includes a spherical primary colors mixing chamber, is provided with several primary colors at the top of the primary colors mixing chamber and penetrates
Enter pipe, the primary colors is injected between pipe and primary colors efferent duct and connected by connecting line, the middle part of sliding channel of the primary colors mixing chamber
On be provided with an air pressure input pipe B, be provided with a flour mixed with adulterants, flour mixed with adulterants and gas in the bottom sidewall of the primary colors mixing chamber
Pressure input pipe B is located on the unidirectional inner sidewall of primary colors mixing chamber, and the flour mixed with adulterants surface includes a confluence cambered surface, institute
The end for stating flour mixed with adulterants is additionally provided with a jet stream cambered surface, continuous mutually between cambered surface of converging and jet stream cambered surface, each primary colors
The axis of pipe is injected in confluence cambered surface surface crosswise, the plane tangent of the axis of the air pressure input pipe B and cambered surface of converging is described
The crosspoint that each primary colors injects pipe is located between the point of contact of end confluence cambered surface opposite with air pressure input pipe B of air pressure input pipe B,
The bottom of the primary colors mixing chamber is provided with an injection pipe, projects the axis and jet stream cambered surface plane tangent of pipe, the primary colors
The back of the corresponding confluence cambered surface of the bottom sidewall of mixing chamber is provided with a waste liquid discharge pipe, is connected on the waste liquid discharge pipe
Negative pressure drawing liquid equipment.
A kind of color mixing method of 3D powder printing colour mixture mechanism, successively includes primary colors adaptation step, primary colors atomization steps, original
Step is discharged in color release steps, primary colors, further includes primary colors mixing step, secondary colour atomization steps, secondary colour discharge step, mixing
Step is discharged in color waste liquid；Wherein the self-tone section regulating step is first to squeeze out primary colour dye out of primary colors tank, subsequent root
Add the solvent of corresponding amount in primary colour dye by solvent input pipe according to the contrast of corresponding color；Primary colors atomization steps packet
It includes solvent to be injected into primary colors conveyor chamber by solvent input pipe, while high pressure gas is input to primary colors and conveyed by air pressure input pipe A
In chamber, solvent intersects with high pressure gas so that dye solvent high atomisation, while primary colour dye is added dropwise to solvent and high from primary colors tank
The crossover location for pressure of calming the anger makes primary colour dye and solvent mixed at high speed using the solvent of high speed atomisation；Primary colors release steps, benefit
With pressure difference, the primary colour dye solvent after atomization is discharged into primary colors mixing chamber；Step is discharged in primary colors, discharges according to demand
The primary colour dye solvent of corresponding discharge out after the completion of release, closes primary colors efferent duct and primary colors tank, it is gentle to increase solvent input pipe
The flow of input pipe A is pressed, primary colors conveyor chamber is cleaned, and using the air pressure of air pressure input pipe A, extra primary colour dye solvent is led to
The discharge of waste liquid discharge pipe is crossed, influence of the extra primary colour dye solvent to later period primary colour dye solvent burden ratio precision is prevented；It is described
Primary colors mixing step is that the primary colour dye solvent of each primary colors conveyor chamber is input in primary colors mixing chamber, each primary colors conveyor chamber output
The primary colour dye solvent of atomization come together in confluence cambered surface, using the curved surfaces of confluence cambered surface, utilize primary colour dye solvent former
Some mobilization dynamics make primary colour dye solvent in confluence cambered surface so that primary colour dye solvent is tightly attached to movement by centripetal force
Mobile mixing；The secondary colour atomization steps are the air pressure exported using air pressure input pipe B, generate one on confluence cambered surface surface
The high pressure draught that layer is moved along confluence cambered surface surface drives primary colour dye solvent to accelerate movement in confluence cambered surface using high pressure draught
And accelerate to mix, mixed primary colour dye solvent is moved to jet stream cambered surface with high-speed flow, and sends out in jet stream cambered surface end
Raw pressure drop, so that the atomization release of mixed primary colour dye solvent, and penetrated under the driving of air pressure input pipe B air pressure from injection pipe
Out；It is to continue to convey in primary colors after the completion of step is discharged in primary colors and step is discharged in secondary colour that step, which is discharged, in secondary colour waste liquid
Solvent is released into chamber, so that solvent discharge mixes primary colors into primary colors mixing chamber, and using the high-speed pneumatic of air pressure input pipe B
It closes chamber to be cleaned, after the completion of cleaning, using the air pressure of air pressure input pipe B, by the solvent after cleaning from primary colors mixing chamber bottom
Waste liquid discharge pipe row.
The beneficial effects of the present invention are:
1, the present invention injects unit and primary colors mixed cell by the primary colors of an improvement structure, hands over first with air-flow and liquid stream
The high speed atomisation principle generated is pitched, so that solvent, driving air pressure, primary colour dye are during atomization, mixing generates atomization shape
Injection, prevent primary colour dye be layered caused by equipment blocking and mixing it is uneven, solve dyestuff mixing layering, mixing
The problem of uneven concentration.
2, primary colors mixed cell generates atomization, while one remittance of this equipment utilization also with the intersection of air-flow and liquid stream
Cambered surface is flowed, fuel combination solvent flow at high speed is driven using the air pressure on cambered surface surface, guarantees mixing efficiency and injection rate, together
The pressure against the ends of Shi Liyong jet stream cambered surface drops, and generates the fuel combination solvent of high speed atomisation, is printed, ensure that the equal of printing
Evenness.
3, the cleaning systems of this equipment setting, the extra fuel that can be will inject into unit and mixed cell cavity carry out clearly
Clean and discharge, guarantees the cleaning inside the two, prevents the deviation for blocking and dyeing precision.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is structural schematic diagram of the invention；
In figure: 1, primary colors tank；2, extrusion piston；3, primary colors conveyor chamber；4, air pressure input pipe A；5, solvent input pipe；6, waste liquid is arranged
Outlet pipe；7, primary colors injects pipe；8, primary colors mixing chamber；9, air pressure input pipe B；10, confluence cambered surface；11, jet stream cambered surface；12, it projects
Pipe.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
As shown in Figure 1, the present invention is that a kind of 3D powder prints colour mixture mechanism comprising several primary colors delivery units and colour mixture
Unit；Wherein the primary colors delivery unit includes a primary colors conveyor chamber, is connected with one at the top of the primary colors conveyor chamber
Primary colors tank is provided with an extrusion piston in primary colors tank for squeezing the primary colour dye in primary colors tank, extrusion piston and passes through one
Linear stepping motor is driven, and the primary colors conveyor chamber is spherical structure, is connected in the upper portion side wall of the primary colors transport chamber
There are an air pressure input pipe A, air pressure input pipe A to be connected on an air pump, shut-off valve A is provided on air pressure input pipe, it is former
A solvent input pipe is connected in the bottom sidewall of color transport chamber, solvent input pipe is driven by a fluid-flow pump,
Shut-off valve B is provided on solvent input pipe, the axis of the air pressure input pipe A and the axis of solvent input pipe are in primary colors conveyor chamber
Center intersect, be provided with a primary colors efferent duct in the middle part of sliding channel of the primary colors transport chamber, set on primary colors efferent duct
It is equipped with shutoff valve C, shutoff valve C is butterfly valve, and wherein primary colors input pipe A is located at inner wall on the right side of primary colors conveyor chamber, air pressure input pipe A,
Solvent input pipe is located at primary colors conveyor chamber inner left wall, between with respect to primary colors transport chamber center be in mirror symmetry, the primary colors
The bottom of conveyor chamber is provided with a waste liquid discharge pipe A, and waste liquid discharge pipe A is connected to negative pressure drawing liquid equipment A, on waste liquid discharge pipe
Shut-off valve D is set, is connected with negative pressure drawing liquid equipment on the waste liquid discharge pipe；The colour mixture unit includes a spherical primary colors
Mixing chamber is provided with several primary colors at the top of the primary colors mixing chamber and injects pipe, the primary colors inject pipe and primary colors efferent duct it
Between connected by connecting line, be provided with an air pressure input pipe B, air pressure input pipe in the middle part of sliding channel of the primary colors mixing chamber
It is provided with shut-off valve E on B, a flour mixed with adulterants is provided in the bottom sidewall of the primary colors mixing chamber, flour mixed with adulterants and air pressure input
Pipe B is located on the unidirectional inner sidewall of primary colors mixing chamber, and the flour mixed with adulterants surface includes a confluence cambered surface, the mixing
The end in face is additionally provided with a jet stream cambered surface, continuous mutually between cambered surface of converging and jet stream cambered surface, and each primary colors injects pipe
Axis in confluence cambered surface surface crosswise, the plane tangent of the axis of the air pressure input pipe B and confluence cambered surface, each primary colors
The crosspoint for injecting pipe is located between the point of contact of end confluence cambered surface opposite with air pressure input pipe B of air pressure input pipe B, the original
The bottom of mixture of colours chamber is provided with an injection pipe, is provided with shut-off valve F on efferent duct, and shut-off valve F is butterfly valve, projects the axis of pipe
The back of line and jet stream cambered surface plane tangent, the corresponding confluence cambered surface of the bottom sidewall of the primary colors mixing chamber is provided with a waste liquid
It is provided with shut-off valve G on discharge pipe B, waste liquid discharge pipe B, negative pressure drawing liquid equipment B is connected on the waste liquid discharge pipe B.
Color mixing method successively include primary colors adaptation step, primary colors atomization steps, primary colors release steps, primary colors discharge step,
It further include primary colors mixing step, secondary colour atomization steps, secondary colour discharge step, secondary colour waste liquid discharge step；It is wherein described
It is first to squeeze out primary colour dye out of primary colors tank that primary colors, which adjusts regulating step, is then passed through according to the contrast of corresponding color
Solvent input pipe adds the solvent of corresponding amount in primary colour dye；Primary colors atomization steps include that solvent is injected by solvent input pipe
Into primary colors conveyor chamber, while high pressure gas is input in primary colors conveyor chamber by air pressure input pipe A, solvent intersect with high pressure gas so that
Dye solvent high atomisation, while primary colour dye is added dropwise to the crossover location of solvent Yu high pressure air pressure from primary colors tank, utilizes high speed
The solvent of atomization makes primary colour dye and solvent mixed at high speed；Primary colors release steps, using pressure difference, by the primary colors after atomization
Dye solvent is discharged into primary colors mixing chamber；Step is discharged in primary colors, releases the primary colour dye solvent of corresponding discharge according to demand,
After the completion of release, primary colors efferent duct and primary colors tank are closed, increases the flow of solvent input pipe and air pressure input pipe A, cleans primary colors
Conveyor chamber, and using the air pressure of air pressure input pipe A, extra primary colour dye solvent is discharged by waste liquid discharge pipe, is prevented more
Influence of the remaining primary colour dye solvent to later period primary colour dye solvent burden ratio precision；The primary colors mixing step is that each primary colors is defeated
The primary colour dye solvent of chamber is sent to be input in primary colors mixing chamber, the primary colour dye solvent of the atomization of each primary colors conveyor chamber output collects
In confluence cambered surface, using the curved surfaces of confluence cambered surface, using the original mobilization dynamic of primary colour dye solvent, so that primary colour dye
Solvent is tightly attached to movement, makes primary colour dye solvent in the mobile mixing of confluence cambered surface by centripetal force；The secondary colour atomization step
Suddenly it is the air pressure exported using air pressure input pipe B, generates one layer of high pressure moved along confluence cambered surface surface on confluence cambered surface surface
Air-flow drives primary colour dye solvent to accelerate mobile in confluence cambered surface and accelerates to mix using high pressure draught, mixed primary colors dye
Material solvent is moved to jet stream cambered surface with high-speed flow, and pressure drop occurs in jet stream cambered surface end, so that mixed primary colors contaminates
Expect solvent atomization release, and is projected under the driving of air pressure input pipe B air pressure from injection pipe；Secondary colour waste liquid be discharged step be
Primary colors is discharged after the completion of step and secondary colour discharge step, and continuation is released into solvent in primary colors conveyor chamber, so that solvent is arranged
It is put into primary colors mixing chamber, and primary colors mixing chamber is cleaned using the high-speed pneumatic of air pressure input pipe B, after the completion of cleaning,
Using the air pressure of air pressure input pipe B, the solvent after cleaning is arranged from the waste liquid discharge pipe of primary colors mixing chamber bottom；Wherein each pipeline
Closing realized by each shut-off valve.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (2)
1. a kind of 3D powder prints colour mixture mechanism, it is characterized in that: it includes several primary colors delivery units and colour mixture unit；Wherein institute
Stating primary colors delivery unit includes a primary colors conveyor chamber, and a primary colors tank, primary colors are connected at the top of the primary colors conveyor chamber
It is spherical structure, institute that an extrusion piston is provided in tank for squeezing the primary colour dye in primary colors tank, the primary colors conveyor chamber
It states and is connected with an air pressure input pipe A in the upper portion side wall of primary colors transport chamber, be connected with one in the bottom sidewall of primary colors transport chamber
A solvent input pipe, the axis of the air pressure input pipe A and the axis of solvent input pipe are handed in the center of primary colors conveyor chamber
It pitches, is provided with a primary colors efferent duct in the middle part of sliding channel of the primary colors transport chamber, wherein primary colors input pipe A is located at primary colors conveying
Inner wall on the right side of chamber, air pressure input pipe A, solvent input pipe are located at primary colors conveyor chamber inner left wall, between with respect to primary colors transport chamber
Center is in mirror symmetry, and the bottom of the primary colors conveyor chamber is provided with a waste liquid discharge pipe, connects on the waste liquid discharge pipe
There is negative pressure drawing liquid equipment；The colour mixture unit includes a spherical primary colors mixing chamber, the top setting of the primary colors mixing chamber
There are several primary colors to inject pipe, the primary colors is injected between pipe and primary colors efferent duct and connected by connecting line, the primary colors mixing
It is provided with an air pressure input pipe B in the middle part of sliding channel of chamber, is provided with a mixing in the bottom sidewall of the primary colors mixing chamber
Face, flour mixed with adulterants and air pressure input pipe B are located on the unidirectional inner sidewall of primary colors mixing chamber, and the flour mixed with adulterants surface includes one
A confluence cambered surface, the end of the flour mixed with adulterants are additionally provided with a jet stream cambered surface, are mutually connected between cambered surface of converging and jet stream cambered surface
Continuous, each primary colors injects the axis of pipe in confluence cambered surface surface crosswise, the axis of the air pressure input pipe B and cambered surface of converging
Plane tangent, the crosspoint that each primary colors injects pipe are located at the end arc that converges opposite with air pressure input pipe B of air pressure input pipe B
Between the point of contact in face, the bottom of the primary colors mixing chamber is provided with an injection pipe, projects axis and the jet stream cambered surface surface of pipe
Tangent, the back of the corresponding confluence cambered surface of the bottom sidewall of the primary colors mixing chamber is provided with a waste liquid discharge pipe, the waste liquid
Negative pressure drawing liquid equipment is connected on discharge pipe.
2. a kind of color mixing method of 3D powder printing as described in claim 1 colour mixture mechanism, it is characterized in that: successively including primary colors
Step is discharged in adaptation step, primary colors atomization steps, primary colors release steps, primary colors, further includes primary colors mixing step, secondary colour atomization
Step is discharged in step, secondary colour discharge step, secondary colour waste liquid；Wherein the self-tone section regulating step is first to contaminate primary colors
Material is squeezed out out of primary colors tank, and correspondence is then added in primary colour dye by solvent input pipe according to the contrast of corresponding color
The solvent of amount；Primary colors atomization steps include that solvent is injected into primary colors conveyor chamber by solvent input pipe, while air pressure input pipe A
High pressure gas is input in primary colors conveyor chamber, solvent intersects with high pressure gas so that dye solvent high atomisation, while primary colour dye
It is added dropwise to the crossover location of solvent Yu high pressure air pressure from primary colors tank, makes primary colour dye and solvent high using the solvent of high speed atomisation
Speed mixing；Primary colour dye solvent after atomization is discharged into primary colors mixing chamber by primary colors release steps using pressure difference；It is former
Step is discharged in color, releases the primary colour dye solvent of corresponding discharge according to demand, after the completion of release, closes primary colors efferent duct and original
Color tank increases the flow of solvent input pipe and air pressure input pipe A, cleans primary colors conveyor chamber, and utilize the gas of air pressure input pipe A
Pressure, extra primary colour dye solvent is discharged by waste liquid discharge pipe, prevents extra primary colour dye solvent to later period primary colour dye
The influence of solvent burden ratio precision；The primary colors mixing step is that the primary colour dye solvent of each primary colors conveyor chamber is input to primary colors
In mixing chamber, the primary colour dye solvent of the atomization of each primary colors conveyor chamber output comes together in confluence cambered surface, utilizes the arc of confluence cambered surface
Shape surface is made so that primary colour dye solvent is tightly attached to movement by centripetal force using the original mobilization dynamic of primary colour dye solvent
Primary colour dye solvent is obtained in the mobile mixing of confluence cambered surface；The secondary colour atomization steps are the gas exported using air pressure input pipe B
Pressure generates one layer of high pressure draught moved along confluence cambered surface surface on confluence cambered surface surface, drives primary colors to contaminate using high pressure draught
Material solvent accelerates mobile and accelerates to mix in confluence cambered surface, and mixed primary colour dye solvent is moved to jet stream with high-speed flow
Cambered surface, and pressure drop occurs in jet stream cambered surface end, so that the atomization release of mixed primary colour dye solvent, and in air pressure input pipe
It is projected under the driving of B air pressure from injection pipe；It is that step and secondary colour discharge step is discharged in primary colors that step, which is discharged, in secondary colour waste liquid
After the completion of rapid, continuation is released into solvent in primary colors conveyor chamber, so that solvent discharge is into primary colors mixing chamber, and defeated using air pressure
The high-speed pneumatic for entering pipe B cleans primary colors mixing chamber, after the completion of cleaning, using the air pressure of air pressure input pipe B, after cleaning
Solvent from the waste liquid discharge pipe of primary colors mixing chamber bottom be discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711311042.7A CN109895396B (en) | 2017-12-11 | 2017-12-11 | 3D powder printing color mixing mechanism and color mixing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711311042.7A CN109895396B (en) | 2017-12-11 | 2017-12-11 | 3D powder printing color mixing mechanism and color mixing method thereof |
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| CN109895396A true CN109895396A (en) | 2019-06-18 |
| CN109895396B CN109895396B (en) | 2021-02-05 |
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| CN114130059A (en) * | 2021-11-23 | 2022-03-04 | 安徽霍山黑石渡生物科技有限公司 | Efficient fine and deep processing equipment and processing method for dendrobium huoshanense |
| CN118438664A (en) * | 2024-07-08 | 2024-08-06 | 湖南电气职业技术学院 | Multi-raw-material mixed color matching type 3D printing device |
| CN118438664B (en) * | 2024-07-08 | 2024-10-22 | 湖南电气职业技术学院 | Multi-raw-material mixed color matching type 3D printing device |
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| CN118438664B (en) * | 2024-07-08 | 2024-10-22 | 湖南电气职业技术学院 | Multi-raw-material mixed color matching type 3D printing device |
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| Publication number | Publication date |
|---|---|
| CN109895396B (en) | 2021-02-05 |
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