CN109093522A - 3D printing object after-treatment device, system and method - Google Patents
3D printing object after-treatment device, system and method Download PDFInfo
- Publication number
- CN109093522A CN109093522A CN201811129795.0A CN201811129795A CN109093522A CN 109093522 A CN109093522 A CN 109093522A CN 201811129795 A CN201811129795 A CN 201811129795A CN 109093522 A CN109093522 A CN 109093522A
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- China
- Prior art keywords
- printing object
- sand
- water
- printing
- support construction
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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
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C5/00—Devices or accessories for generating abrasive blasts
- B24C5/02—Blast guns, e.g. for generating high velocity abrasive fluid jets for cutting materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C7/00—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts
- B24C7/0007—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a liquid carrier
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
- B24C9/006—Treatment of used abrasive material
Abstract
The present invention provides a kind of 3D printing object after-treatment device, system and method, is placed in blast room by the 3D printing object that will be post-processed；Compressed gas is inputted sand-blasting gun by gas compressor；The water sand mixture in water sand mixing pit is inputted the sand-blasting gun by sand pump simultaneously；Water sand mixture is sprayed to 3D printing body surface from lance outlet pressurization by sand-blasting gun compressed gas, sand in water sand mixture under pressure polishes to 3D printing body surface, the support construction of 3D printing body surface can not only be removed complete, the position and other positions that can also mutually seep to 3D printing body surface with support construction are polished, improve the efficiency and reliability for removing support construction, obtain the 3D object of even surface roughness, and the water in water sand mixture carries out continued down in bruting process, prevent fuel factor caused by rubbing from influencing this body structure of 3D printing object, improve the post-processing reliability of 3D printing object.
Description
Technical field
The present invention relates to increases material manufacturing technology field more particularly to a kind of 3D printing object after-treatment devices, system and side
Method.
Background technique
With the gradually development of industrial technology, the demand of complex parts and personalized customization is more more and more intense, increasing material manufacturing
Technical application and give birth to.With its speed, fast, high-efficient, intelligent operation becomes 21 century most popular skill to increases material manufacturing technology
Art, 3D printing technique belong to a branch of increasing material manufacturing.The object printed using 3D printing technique, can be realized complex parts
Quick production, shorten the R&D cycle, reduce research and development cost, improve efficiency of research and development.Some 3D printing object structures are complicated, need
It provides the structural support in print procedure, and again removes support construction from 3D printing object after printing terminates.And 3D
The post-processing of printing is not only clean by support construction processing, it is also necessary to guarantee the complete of this body structure of 3D printing object.
In the prior art, support construction usually is removed using the method for dissolution method or manual removal method.Such as with branch
The corresponding lysate of support structure material dissolves support construction, after structure to be supported is completely dissolved, realizes from 3D printing
Support construction is separated on object.
However, the 3D for support construction or the other structures complexity that support 3D printing object inner cavity wall surface is arranged
For the support construction of printing objects, 3D printing interior of articles position is narrow, and manual removal method possibly can not be handled completely even
It can not remove.In addition, a small amount of mutually infiltration may occur between support construction and 3D printing object between the materials, it will by dissolution method
There is uneven problem in the surface that may cause 3D printing object after support construction dissolution, not only influences 3D printing object
Appearance, the support construction material remained in 3D printing object surface layer are also possible to that 3D printing object is caused to crack over time
Damage.Existing 3D printing object post-processing reliability is not high.
Summary of the invention
The present invention provides a kind of 3D printing object after-treatment device, system and method, improves the post-processing of 3D printing object
Reliability.
According to the first aspect of the invention, a kind of 3D printing object after-treatment device is provided, including
Blast room, for placing the 3D printing object post-processed；
Gas compressor connects sand-blasting gun, for compressed gas to be inputted sand-blasting gun；
Sand pump connects water sand mixing pit and the sand-blasting gun, for the water sand mixture in water sand mixing pit to be inputted institute
State sand-blasting gun；
Sand-blasting gun in the blast room is set, there is the first gun inlets for connecting the gas compressor, connection
The second gun inlets and lance outlet of the sand pump, the sand-blasting gun are used in the lance outlet, with the compressed gas
Water sand mixture pressurization is sprayed in the blast room, is polished the indoor 3D printing body surface of the sandblasting.
Optionally, in a kind of possible implementation of first aspect, the water sand mixing pit is set to the blast room
Bottom；
The water sand mixing pit is in gradually-reducing shape, and the big opening end of the water sand mixing pit is connected to the bottom of the blast room,
Osculum end is sewage draining exit；The water sand mixing pit recycles polishing for accommodating the water sand mixture, and from the big opening end
Water sand waste after the 3D printing object.
Optionally, in the alternatively possible implementation of first aspect, the bottom of the blast room is additionally provided with hole
Filter house；The fracture filtration portion, for dividing the fragment of support construction from falling in object after the 3D printing object of polishing
It separates out and, and the water sand mixture after separation is made to enter the water sand mixing pit.
Optionally, in another possible implementation of first aspect, the fracture filtration portion is provided centrally with use
In the sandblasting boss for placing the 3D printing object.
It optionally, further include air pressure regulator in another possible implementation of first aspect；
The air pressure regulator is arranged on the pipeline that the gas compressor is connect with the sand-blasting gun；The air pressure tune
Section valve is used to control the pressure into the compressed gas of first gun inlets.
It optionally, further include solenoid valve, contactor and pressure sensing in another possible implementation of first aspect
Device；
The solenoid valve and the pressure sensor are all disposed within the pipe that the gas compressor is connect with the sand-blasting gun
On road；The output end of the pressure sensor connects the control terminal of the contactor, and the output end of the contactor is separately connected
The control terminal of the control terminal of the solenoid valve and the sand pump；
The pressure sensor is used to sense the atmospheric pressure value in the pipeline that the gas compressor is connect with the sand-blasting gun,
And output signal to the contactor；The signal that the contactor is used to be exported according to the pressure sensor controls the electromagnetism
Valve and the sand pump are powered or power off simultaneously.
Optionally, in another possible implementation of first aspect, the pressure sensor is for sensing the gas
The atmospheric pressure value in pipeline that gas compressor is connect with the sand-blasting gun, and when the atmospheric pressure value is 0.4-0.8MPa, output letter
Number the contactor is given, is powered simultaneously so that the contactor controls the solenoid valve and the sand pump.
It optionally, further include manual start switch in another possible implementation of first aspect；
The output end that the pressure sensor is arranged in the manual start switch connects the control terminal of the contactor
On route.
It optionally, further include cleaning hydraulic giant in another possible implementation of first aspect；The cleaning hydraulic giant is set
It is placed in the blast room, cleans the 3D printing object for spraying clear water into the blast room.
Optionally, in another possible implementation of first aspect, the weight of sand and water in the water sand mixture
Than for 0.4-0.7.
Optionally, in another possible implementation of first aspect, the sand includes aluminum oxide, cube nitridation
Boron, boron carbide, silicon carbide, at least one of diamond particle.
According to the second aspect of the invention, a kind of 3D printing object after-treatment system, including water injector and sheet are provided
Any 3D printing object after-treatment device in the various possible implementations of invention first aspect and first aspect；
The water injector includes:
Spray chamber, for placing the 3D printing object post-processed；
Pressure pump, connection are used for from described for liquid pool for liquid pool extract body to water pistol；
Hydraulic-pressure regulating valve is arranged on the pipeline that the pressure pump is connect with the water pistol；
The water pistol in the spray chamber is set, for the liquid to be sprayed to the indoor 3D printing of water spray
Object, so that the support construction of 3D printing object connection is removed by injection.
It optionally, further include that pressurization starts switch in a kind of possible implementation of second aspect；The pressurization starting
Switch is arranged in the connection line of the pressure pump and power supply, is powered or powers off for controlling the pressure pump.
It optionally, further include liquid collection portion in the alternatively possible implementation of second aspect, the liquid is collected
Portion is set to the bottom of the spray chamber；The liquid collection portion is in gradually-reducing shape, the big opening end of the liquid collection portion with it is described
The bottom of spray chamber is connected to, and the osculum end of the liquid collection portion is connected to described for liquid pool；It is described for liquid pool, for storing
Liquid is stated, and recycles the liquid waste after spraying the 3D printing object from the osculum end of the liquid collection portion.
Optionally, in another possible implementation of second aspect, the bottom of the spray chamber is additionally provided with support
Configured filter；The support construction filter, for the falling after spraying the 3D printing object by the fragment of support construction
It is separated in junk, and the remaining liquid waste is made to enter the liquid collection portion.
Optionally, in another possible implementation of second aspect, the center of the support construction filter is arranged
There is the water spray boss for placing the 3D printing object.
Optionally, described for being provided with filter screen in liquid pool in another possible implementation of second aspect, it is described
The aperture of filter screen is less than the aperture of the support construction filter；The filter screen is described in liquid pool for being segregated into
Support construction fragment in liquid waste.
According to the third aspect of the invention we, a kind of 3D printing object post-processing approach is provided, second aspect of the present invention is based on
And any 3D printing object after-treatment system in the various possible implementations of second aspect, comprising:
Liquid is sprayed to preset hydraulic pressure value to the 3D printing object with support construction using the water injector, removes institute
The support construction for stating the connection of 3D printing object, obtains the first object；
Water sand mixture is sprayed to first object with preset pressure value using the 3D printing object after-treatment device,
It polishes first body surface, obtains the 3D printing object of surfacing.
Optionally, in a kind of possible implementation of the third aspect, in the 3D printing object for obtaining surfacing
Later, further includes:
The 3D printing object of the surfacing is cleaned,
The 3D printing body surface of the surfacing after cleaning coats clear coat.
Optionally, described to utilize the water injector to preset water in the alternatively possible implementation of the third aspect
Pressure value sprays liquid to the 3D printing object with support construction, removes the support construction of the 3D printing object connection,
Obtain the first object, comprising:
Liquid is sprayed to preset hydraulic pressure value to the 3D printing object with support construction using the water injector, until moving
Except at least the 90% of the support construction of 3D printing object connection, the first object is obtained.
Optionally, in another possible implementation of the third aspect, the default hydraulic pressure value is 0.7-1.3MPa.
Optionally, in another possible implementation of the third aspect, the preset pressure value is 0.4-0.8MPa.
A kind of 3D printing object post-processing approach is provided according to the fourth aspect of the invention, based on first aspect present invention and
Any 3D printing object after-treatment device in the various possible implementations of first aspect, comprising:
Water sand mixture, polishing are sprayed to the first object with preset pressure value using the 3D printing object after-treatment device
First body surface obtains the 3D printing object of surfacing.
Optionally, in a kind of possible implementation of fourth aspect, in the 3D printing object for obtaining surfacing
Later, further includes:
The 3D printing object of the surfacing is cleaned,
The 3D printing body surface of the surfacing after cleaning coats clear coat.
Optionally, in the alternatively possible implementation of fourth aspect, the preset pressure value is 0.4-0.8MPa.
The present invention provides a kind of 3D printing object after-treatment device, system and method, passes through what will be post-processed
3D printing object is placed in blast room；Compressed gas is inputted sand-blasting gun by gas compressor；Sand pump will be in water sand mixing pit simultaneously
Water sand mixture input the sand-blasting gun；Water sand mixture is sprayed to 3D from lance outlet pressurization and beaten by sand-blasting gun compressed gas
Body surface is printed, the sand in water sand mixture under pressure polishes to 3D printing body surface, not only can be by 3D
The support construction on printing objects surface is removed completely, can also to the position that 3D printing body surface and support construction mutually seep and
Other positions are polished, and are improved the efficiency and reliability for removing support construction, are obtained the 3D object of even surface roughness,
And the water in water sand mixture carries out continued down in bruting process, prevents fuel factor caused by rubbing from influencing 3D printing object
This body structure improves the post-processing reliability of 3D printing object.
Detailed description of the invention
Fig. 1 is a kind of 3D printing object after-treatment device structural schematic diagram provided in an embodiment of the present invention；
Fig. 2 is another 3D printing object after-treatment device structural schematic diagram provided in an embodiment of the present invention；
Fig. 3 is a kind of fracture filtration portion schematic diagram provided in an embodiment of the present invention；
Fig. 4 is another fracture filtration portion provided in an embodiment of the present invention schematic diagram；
Fig. 5 is another 3D printing object after-treatment device structural schematic diagram provided in an embodiment of the present invention；
Fig. 6 is a kind of 3D printing object after-treatment system structural schematic diagram provided in an embodiment of the present invention；
Fig. 7 is a kind of water injector structural schematic diagram provided in an embodiment of the present invention；
Fig. 8 is a kind of 3D printing object post-processing approach flow diagram provided in an embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
It is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.
It should be appreciated that in the present invention, " comprising " and " having " and their any deformation, it is intended that covering is not arranged
His includes, for example, containing a series of system of units, product or equipment those of is not necessarily limited to be clearly listed unit,
It but may include other units being not clearly listed or intrinsic for these products or equipment.
It should be appreciated that in the present invention, " B corresponding with A ", " B corresponding with A ", " A and B are corresponding " or " B and A
It is corresponding ", it indicates that the shape of B and A or function have corresponding relationship, B can be determined according to A.Determine that B is not meant to according to A
B is determined only according to A, can also determine B according to A and/or other information.
In the description of the present invention, it is to be understood that, used term " center ", " length ", " width ", " thickness
Degree ", " top ", " bottom end ", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outside" " axis
To ", the indicating positions such as " circumferential direction " or positional relationship be to be based on the orientation or positional relationship shown in the drawings, be merely for convenience of describing
The present invention and simplified description, rather than the position of indication or suggestion meaning or original part must have a particular orientation, with specific
Construction and operation, therefore be not considered as limiting the invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
It shall be understood in a broad sense, such as may be a fixed connection, may be a detachable connection, or be integrally formed；It can be mechanical connection,
It is also possible to be electrically connected or can communicate with each other；It can be directly connected, can also indirectly connected through an intermediary, it can be with
Make the connection inside two elements or the interaction relationship of two elements.For the ordinary skill in the art, may be used
To understand the concrete meaning of above-mentioned term in the present invention as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
Technical solution of the present invention is described in detail with specifically embodiment below.These specific implementations below
Example can be combined with each other, and the same or similar concept or process may be repeated no more in some embodiments.
It is a kind of 3D printing object after-treatment device structural schematic diagram provided in an embodiment of the present invention referring to Fig. 1.Fig. 1 institute
The 3D printing object after-treatment device 1 shown specifically includes that blast room 12, water sand mixing pit 13, gas compressor 14,16 He of sand pump
Sand-blasting gun (Fig. 1 is not shown).
Specifically, blast room 12, for placing the 3D printing object post-processed.The connection spray of gas compressor 14
Sand rifle, for compressed gas to be inputted sand-blasting gun.Sand pump 16 connects water sand mixing pit 13 and the sand-blasting gun, for mixing water sand
The water sand mixture closed in pond 13 inputs the sand-blasting gun.Sand-blasting gun in the blast room 12 is set, is had described in connection
First gun inlets of gas compressor 14 connect the second gun inlets and lance outlet of the sand pump.Sand-blasting gun is used for
The lance outlet sprays in the blast room 12 water sand mixture pressurization with the compressed gas, to the sandblasting
3D printing body surface in room 12 is polished.
Wherein, air pressure regulator 15 can also be set on the pipeline that the gas compressor is connect with the sand-blasting gun.
Air pressure regulator 15 is used to control the pressure into the compressed gas of first gun inlets.3D printing object in blast room 12
Body can be the first object obtained after pre-processing.If the remaining support construction of the first body surface is on the high side or the first object
The size of preset pressure value can be controlled in high value state, when the first body surface when form uneven with apparent surface
The size of preset pressure value can be controlled in low value when substantially without support construction residual and the unobvious uneven form in surface
State, but the premise that air pressure size is adjusted in the present embodiment all should be that the atmospheric pressure value must have enough power
Water sand mixture can be blown out with certain flow velocity to the first body surface.Further, in this embodiment the size control of air pressure
System not only can improve the first body surface grinding efficiency, moreover it is possible to obtain uniform second object in surface in 0.4-0.8MPa
Body, while saving a large amount of manual labor.
With continued reference to Fig. 1, the sand-blasting gun is placed in blast room 12, and the first gun inlets are connected with compressed gas entrance,
Second gun inlets are connected with water sand mixture inlet.Water sand mixture is pumped into the second gun inlets by sand pump 16；The gas
Compressor 14 pressurizes to gas.The control of air pressure regulator 15 enters the pressure of the compressed gas of the first gun inlets,
3D printing object in blast room 12 is ultimately formed into support knot by the polishing of sand in water sand mixture under preset pressure value
The second object that structure completely removes.Using the 3D printing object after-treatment device in the present embodiment, 3D printing can be effectively removed
The remaining support construction of body surface and polishing 3D printing body surface, after preventing support construction residual from causing 3D printing object
Phase places cracking, the 3D printing body surface uniform ground after final process is clean.Heretofore described " smooth " and " bumps
It is uneven " meaning mutually seeps after support construction is removed in region in support construction and 3D printing object on the contrary, specifically can be, occurs
Pit or since the printing precision problem of printer itself causes 3D printing body surface rugged region occur, or also
There is surface caused by other reasons to be uneven, by 3D printing object after-treatment device rear surface pit of the invention or height
Uneven region is polished smooth.
It referring to fig. 2, is another 3D printing object after-treatment device structural schematic diagram provided in an embodiment of the present invention.Fig. 2
The structural representation has gone out a kind of connection relationship and working method of all parts in 3D printing object after-treatment device: first
First gas compressor pressurizes to the gas for entering gas compressor.Compressed gas is, for example, air either pure nitrogen gas.Through
The compressed gas for crossing gas compressor output inputs the first gun inlets under the control of air pressure regulator with preset pressure value, in advance
If the value range of atmospheric pressure value can be 0.4-0.8MPa.The water sand mixture in water sand mixing pit is inputted second by sand pump simultaneously
Gun inlets spray to water sand mixture in sand-blasting gun in blast room into the compressed gas in sand-blasting gun under preset pressure value
3D printing object.The 3D printing object in blast room is placed under the friction of sand, support construction remained on surface is removed
Completely, and surface is polished uniformly, obtains the second object.
A kind of 3D printing object after-treatment device provided in this embodiment, passes through the 3D printing object that will be post-processed
Body is placed in blast room；Compressed gas is inputted sand-blasting gun by gas compressor；Sand pump mixes the water sand in water sand mixing pit simultaneously
It closes object and inputs the sand-blasting gun；Water sand mixture is sprayed to 3D printing object table from lance outlet pressurization by sand-blasting gun compressed gas
Face, the sand in water sand mixture under pressure polish to 3D printing body surface, not only can be by 3D printing object
The support construction on surface is removed completely, can also be to the position and other positions that 3D printing body surface and support construction mutually seep
It polishes, improves the efficiency and reliability for removing support construction, obtain the 3D object of even surface roughness, and water sand
Water carries out continued down in bruting process in mixture, prevents fuel factor caused by rubbing from influencing this body structure of 3D printing object,
Improve the post-processing reliability of 3D printing object.
On the basis of the above embodiments, in the water sand mixture weight ratio of sand and water can between 0.15-1,
It is low to the treatment effeciency of the first object since the content of sand is too low when weight ratio is less than 0.15, when weight ratio is greater than 1,
Due to the too high levels of sand, the mobility of sand is reduced in mixture, is difficult to polish to the first body surface.Preferably, originally
The weight ratio of sand and water is 0.4-0.7 in preferred mixture in invention.Preferably, sand can be in the present embodiment water sand mixture
Graininess mould material sand with water resistance, the surface of the sand have sharp keen geometry corner angle, and the hardness of the sand is higher than Rockwell
C60 can specifically be selected from aluminum oxide, cubic boron nitride, boron carbide, silicon carbide, at least one of diamond particle.By
This can improve the grinding efficiency to support construction, and the long service life of sand under preset pressure value, not have to frequently replacement sand material.
Optionally, with continued reference to Fig. 1,3D printing object after-treatment device 1 further includes operation entry 17 and watch window 18.
Operation entry 17 and watch window 18 are respectively positioned on the outer surface of blast room 12.The effect of operation entry 17 is to make to grasp in the present invention
Hand can be protruded into operation 3D printing object and sand-blasting gun in blast room 12 by making personnel, such as rotation 3D printing object makes Qi Gebu
Position can be grit blasted rifle and be polished to.In order to avoid water sand mixture is splashed out to 12 outside of blast room simultaneously in order to avoid operator
Water sand mixture and 3D printing object to be polished are directly contacted, the present embodiment can be to 17 surrounding of operation entry using close
Envelope component is sealed.Such as sealed around operation entry 17 by rubber gloves, hand can be deep into rubber by operator
3D printing object and the sand-blasting gun in blast room 12 are safely and conveniently operated in Rubber gloves.The shape of operation entry 17 can be to appoint
What a kind of shape such as circle, square, rectangle, triangle, as long as sandblasting dress can safely and conveniently be operated convenient for operator
Set internal 3D printing object.The number and shape of operation entry 17 are unrestricted, as long as can be convenient for operator by being somebody's turn to do
The first object inside the operation sand blasting unit of operation entry safe ready.Preferably, the quantity of operation entry is 2,
Shape is circle.The polishing situation that watch window 18 is used to that operator to be made to observe 3D printing object in sand blasting unit, in time
The polishing position of the first object is adjusted to improve grinding efficiency, while can also improve the surface accuracy of the second object of acquisition.It can
Selection of land, 3D printing object after-treatment device 1 can also include openable door (being not shown in Fig. 1).Openable door can be with
Positioned at the side of blast room 12.Operator is put into or is taken out the 3D printing object in blast room 12 by openable door.
With continued reference to Fig. 1, the bottom of blast room 12 is arranged in the water sand mixing pit 13.The water sand mixing pit 13 is in gradually
Contracting shape, the big end opening of the water sand mixing pit 13 are connected to the bottom of the blast room 12, the water sand mixing pit 13 it is small
Mouth end is sewage draining exit 10.The water sand mixing pit 13 is beaten for accommodating the water sand mixture, and from big opening end recycling
Water sand waste after grinding the 3D printing object, water sand waste therein are realized as the subsequent water sand mixture used
Water sand mixture recycles.Water sand mixture is sprayed to 3D printing object in sand-blasting gun, during polishing it,
It water sand mixture and is polished the support construction fragment fallen and both falls within water sand mixing pit 13.Water sand mixing pit 13 can be leakage
The collection structure of bucket shape shape, when replacing water sand mixture, the structure of gradually-reducing shape is convenient for drawing in the water sand mixture wherein accommodated
It is directed at the discharge of sewage draining exit 10, improves the effect of blowdown.Optionally, the water in the water sand mixture in above-mentioned various embodiments, can
To be common tap water, pure water, be also possible to lysate corresponding with support construction material, therefore in support construction quilt
It during polishing removes, or falls into after water sand mixing pit, it is mixed that the fragment of support construction may be gradually dissolved in water sand
It closes in object；It can also be the aqueous solution etc. of weak base, weak acid or salt, as long as the liquid will not influence the structure of target object and 3D is beaten
Print object after-treatment device；Preferably common tap water in the present embodiment.
It is a kind of fracture filtration portion schematic diagram provided in an embodiment of the present invention referring to Fig. 3.Falling in object for blast room 12 can
It can also be set in the bottom of blast room 12 containing a large amount of support construction fragment in order to avoid depositing in water sand mixing pit
Set fracture filtration portion.Fracture filtration portion is used to divide the fragment of support construction from falling in object after the 3D printing object of polishing
It separates out and, and the remaining water sand waste is made to enter the water sand mixing pit 13.Fracture filtration portion can be as shown in Figure 3
Mesh plate, such as wire netting or the filter screen for being evenly distributed with through-hole.3D printing object can be directly placed at hole
It on filter house, is then polished with sand-blasting gun it, polishes off the water sand mixing pit that the water fallen and sand fall into lower section by mesh
In 13, and the support construction fragment under falling then stays in fracture filtration portion, to polish after clear up again.
It referring to fig. 4, is another fracture filtration portion provided in an embodiment of the present invention schematic diagram.The center in fracture filtration portion is also
The sandblasting boss for placing 3D printing object can be set.It, can be by 3D in the fracture filtration portion with sandblasting boss
Printing objects are placed on sandblasting boss, and water sand mixing pit 13 can be entered from the mesh of surrounding by falling water sand mixture in object,
The support construction fragment to get off is polished then to be trapped in fracture filtration portion.
With continued reference to Fig. 1, optionally, the air gauge 11 being connected with air pressure regulator 15 can also be set.Air gauge 11 is used
In the atmospheric pressure value for the compressed gas for showing access into the first gun inlets, so as to operator can quickly adjust air pressure regulator make into
The atmospheric pressure value for entering the compressed gas of the first gun inlets is maintained within the scope of preset pressure value.
It is another 3D printing object after-treatment device structural schematic diagram provided in an embodiment of the present invention referring to Fig. 5.In order to
Reinforce the control to sand pump and gas compressor, can also include solenoid valve, contactor and pressure sensor.The solenoid valve and
The pressure sensor can be all disposed on the pipeline that the gas compressor is connect with the sand-blasting gun.The pressure sensing
The output end of device connects the control terminal of the contactor, and the output end of the contactor is separately connected the control terminal of the solenoid valve
With the control terminal of the sand pump.The pressure sensor is for sensing the pipeline that the gas compressor is connect with the sand-blasting gun
In atmospheric pressure value, and output signal to the contactor.The contactor is used for the signal exported according to the pressure sensor
It controls the solenoid valve and the sand pump while being powered or powering off.
Optionally, the pressure sensor, the atmospheric pressure value in pipeline being connect for sense gasses compressor with sand-blasting gun,
And when the atmospheric pressure value is 0.4-0.8MPa, the contactor is outputed signal to, so that the contactor controls the electricity
Magnet valve and the sand pump are powered simultaneously.
It is to be understood that the pressure sensor can be touch sensor, when detecting the air pressure size, simultaneously
Also act as the effect of switch: when the pressure sensor detects that atmospheric pressure value exists in pipeline that gas compressor is connect with sand-blasting gun
When within the scope of anti-return atmospheric pressure value (such as 0.4-0.8MPa), the pressure sensor is in the conductive state；Otherwise, in disconnection
State.Preset anti-return atmospheric pressure value range, for preventing water sand mixture from flowing back into connection gas pressure from the first gun inlets
In the pipeline of contracting machine.
Optionally, the minimum value of preset anti-return atmospheric pressure value range may be greater than or be equal to 0.3MPa.Work as contactor
After conducting powers on, it can control solenoid valve and sand pump while opening work, compressed gas enters the first gun inlets, and water sand is mixed
It closes object and enters the second gun inlets, be ejected to blast room under the action of compressed gas into the water sand mixture in sand-blasting gun
It is interior.
It can also include manual start switch to improve the safety of automatic control with continued reference to Fig. 5.It manually boots
On the route for the control terminal that the output end that the pressure sensor is arranged in switch connects the contactor.In this city embodiment
Manual start switch is not limited to the switch controlled with hand.For example, manual start switch can be floor push, thus it is convenient for
Operator effortlessly controls manual start switch.When operator's in the conductive state, and pressure that controls manual start switch
When sensor is in the conductive state, contactor can be just energized, and otherwise, contactor can not all be powered, thus in automatic control
Manual control has been intervened, the safety of control is improved.
Optionally, cleaning hydraulic giant can also be arranged in 3D printing object after-treatment device 1 in blast room 12 (not show in figure
Out).Hydraulic giant is cleaned to be used to spray water to 3D printing object.Cleaning hydraulic giant is used to rinse the second object obtained by polishing, by it
The sand and/or support construction fragment of surface adhesion are rinsed well.
It is a kind of 3D printing object after-treatment system structural schematic diagram provided in an embodiment of the present invention referring to Fig. 6.Fig. 6 institute
The system shown further includes water injector on the basis of above-mentioned various 3D printing object after-treatment device 1 as described in the examples
2.It is a kind of water injector structural schematic diagram provided in an embodiment of the present invention referring to Fig. 7.As shown in fig. 7, water injector 2 is main
It include: spray chamber 20, pressure pump 21, hydraulic-pressure regulating valve 22, for liquid pool (not shown), water pistol (not shown).
Specifically, spray chamber 20 is for placing the 3D printing object post-processed.Pressure pump 21 connects feed flow
Pond, for from for liquid pool extract body to water pistol.It is heretofore described not to be limited to for liquid pool with particular geometric configuration
Pond in, can also be water supply line, such as water supply line connects pressure pump 21 by tap or valve, is consequently formed
It supplies water to pressure pump 21.Hydraulic-pressure regulating valve 22 is arranged on the pipeline that pressure pump is connect with water pistol.It is arranged in spray chamber
Water pistol in 20, for liquid to be sprayed to the 3D printing object in spray chamber 20, so that 3D printing object connection
Support construction is removed by injection.
Water pistol is placed in spray chamber 20, and one end of water pistol is connected with water inlet.Pressure pump 21 pressurizes to water,
Hydraulic-pressure regulating valve 22 controls the hydraulic pressure of water inlet, so that the 3D printing object with support construction passes through water under specified hydraulic pressure
Stream injection removes support construction and obtains the first object.Wherein, " water " that water injector sprays can be common tap water, pure
Water can be lysate corresponding with support construction material, can also be the aqueous solution etc. of weak base, weak acid or salt, as long as the liquid
Body will not damage the structure of 3D printing object and the structure of water injector, can provide impact force and achieve the purpose that remove support construction
?；Preferably common tap water in the present embodiment.Pressure pump 21 pressurizes to water in the present embodiment, and operator passes through
The control of hydraulic-pressure regulating valve 22 enters the flow of water pistol and then controls the hydraulic pressure value for entering water pistol, so that into the water of water pistol
It is sprayed with default hydraulic pressure value, the support construction that 3D printing object is connected removes.Wherein, the size for presetting hydraulic pressure value is 0.7-
1.3MPa。
Optionally, water injector 2 can also include operation entry 23 and watch window 24, the operation entry 23 and observation
Window 24 is respectively positioned on 20 outer surface of spray chamber.The operation entry 23 and watch window 24 of water injector 2 with after 3D printing object
The operation entry 17 for managing device 1 is consistent with the design principle of watch window 18, and details are not described herein, and only water injector 2 is handled
Object be the 3D printing object with support construction, it is therefore intended that the support construction for disposing 90% or more obtains the first object
Body.
Optionally, the water injector 2 further includes openable door (not shown).The openable door is located at institute
State the side of spray chamber 20.The 3D printing object with support construction is put into spray chamber 20 by openable door operation personnel
Or it is taken out from spray chamber 20.
The present embodiment provides a kind of 3D printing object after-treatment systems, will be on 3D printing object in water injector by elder generation
The support construction of bulk removes, then is polished with 3D printing object after-treatment device remaining support construction.To need into
The 3D printing object of row post-processing is placed in blast room；Compressed gas is inputted sand-blasting gun by gas compressor；Sand pump is by water simultaneously
Water sand mixture in sand mixing pit inputs the sand-blasting gun；Water sand is mixed using compressed gas in sand-blasting gun in blast room
It closes object and sprays to 3D printing body surface from lance outlet pressurization, the sand in water sand mixture is under pressure to 3D printing object
Surface is polished, and can not only be removed the support construction of 3D printing body surface completely, can also be to 3D printing object table
The position and other positions that face is mutually seeped with support construction are polished, and are improved the efficiency and reliability for removing support construction, are obtained
The 3D object of even surface roughness is obtained, and water prevents friction from leading in bruting process progress continued down in water sand mixture
The fuel factor of cause influences this body structure of 3D printing object, and 3D printing object after-treatment system provided in this embodiment improves 3D and beats
Print the post-processing reliability of object.
With continued reference to Fig. 6 and Fig. 7, the water injector 2 further includes water pressure gauge 25.The water pressure gauge 25 and hydraulic-pressure regulating valve
22 connections, for showing the water pressure of water inlet.
It can also include that pressurization starts switch to improve the safety of control with continued reference to Fig. 6 and Fig. 7.The pressurization
It starts switch and is arranged in the connection line of the pressure pump and power supply, for controlling the pressure pump energization or breaking
Electricity.Operator starts switch disconnection or conducting by controlling pressurization, and realization powers on or power off control to pressure pump 21.More
Specifically, the pressurization starts switch and can be floor push, so that operator effortlessly controls pressure pump 21.This
Embodiment can be used for promptly keeping away when occurring to automatically control failure by the way that manually-operated switch is added on control line road
Danger.
It optionally, further include liquid collection portion 27.Liquid collection portion 27 is set to the bottom of the spray chamber.Liquid is collected
Portion 27 is in gradually-reducing shape, and the big opening end of liquid collection portion 27 is connected to the bottom of the spray chamber 20, the osculum of liquid collection portion 27
End is connected to described for liquid pool；It is described for liquid pool (not shown), collected for storing the liquid, and from the liquid
The liquid waste after the 3D printing object is sprayed in the osculum end recycling in portion, it is possible thereby to realize recycling for liquid.Water spray
The structure of liquid collection portion 27 in device 2 is similar with the structure of aforementioned water sand mixing pit 13, and liquid collection portion 27 is used for herein
The drainage of liquid waste, details are not described herein for structure.
Optionally, the osculum end of liquid collection portion 27 can be understood as sewage draining exit 26, in order to avoid sewage draining exit 26 is propped up
The liquid that the blocking of support structure fragment and/or recycling are injected into spray chamber 20, the bottom of the spray chamber can also be set
It is equipped with support construction filter.The support construction filter, for by the fragment of support construction from spraying the 3D printing object
Falling in object after body is separated, and the remaining liquid is made to enter the liquid collection portion 27.In a kind of optional reality
In existing mode, the water spray boss for placing the 3D printing object is can be set in the center of the support construction filter.By 3D
Printing objects are placed on support construction filter, are then sprayed liquid to 3D printing object with water pistol, are removed the branch of bulk
Support structure, liquid are entered by the hole of support construction filter in the liquid collection portion 27 of lower section, and are removed the branch fallen
Support structure fragment is then trapped on support construction filter.The structure of specific support construction filter is in the aforementioned embodiment
It has been introduced that, details are not described herein.
Optionally, described for being provided with filter screen in liquid pool, the aperture of the filter screen is filtered less than the support construction
The aperture of device；The filter screen is used for the support construction fragment being segregated into the liquid in liquid pool.Support construction mistake
The filtered liquid of filter may still contain the lesser support construction fragment of some partial sizes, in order to reinforce filter effect, to from
The liquid being discharged in liquid collection portion 27 carries out secondary filter, and filter screen is arranged in for liquid pool, and the aperture of filter screen is less than branch
The aperture of support structure filter prevents support construction fragment so as to further filter the support construction fragment in liquid
Block pressure pump.
It is a kind of 3D printing object post-processing approach flow diagram provided in an embodiment of the present invention referring to Fig. 8.Based on upper
State 3D printing object after-treatment system described in various embodiments, method shown in Fig. 8 mainly includes step S101 to step
S104, specifically:
S101 sprays liquid using the water injector to preset hydraulic pressure value to the 3D printing object with support construction,
The support construction for removing the 3D printing object connection, obtains the first object.
Specifically, it can be and sprayed using the water injector with presetting hydraulic pressure value to the 3D printing object with support construction
Liquid is penetrated, until removing at least the 90% of the support construction of the 3D printing object connection, obtains the first object.It is optional
Ground, the default hydraulic pressure value can be 0.7-1.3MPa.Specifically as shown in method flow diagram in Fig. 8 embodiment of the present invention 1, first
3D printing object with support construction is placed in water injector, support knot is removed by water flow jet under default hydraulic pressure value
Structure obtains the first object.It wherein, first will be with support before the support construction for carrying out water flow jet removal 3D printing object
The 3D printing object of structure is placed in the operating room of water injector, later operator's rushing by water flow under specified hydraulic pressure
The effect of hitting removes most support construction, obtains the first object.The size of hydraulic pressure value be it is adjustable, when remove bulk support
The size of hydraulic pressure value can be controlled in high value state when structure；When small volume or the support construction package of support construction are tiny
The size of hydraulic pressure value should be controlled at this time in low state when the target object structure of structure.However, the excessive operator of hydraulic pressure value
The water flow impact pressure that member touches is stronger, brings discomfort to people, the removal efficiency of the too small support construction of hydraulic pressure value reduces.Through
It crosses inventor and practices discovery, hydraulic pressure value is preferably sized to 0.7-1.3MPa, can efficiently remove support construction and damage mesh
The structure for marking object, discomfort will not be also brought to operator while also saving a large amount of manual labor.The present embodiment
3D printing object post-processing approach in can remove branch that is most of or even completely removing 3D printing object in step s101
Support structure.First object includes at most 10% support construction.
Water used in water injector can be understood as liquid in step S101 of the present invention, as long as it does not damage 3D printing object
The structure of body and the structure of water injector can provide impact force and achieve the purpose that remove support construction, such as can be common
Tap water, pure water, can be lysate corresponding with support construction material, can also be the water-soluble of weak base, weak acid or salt
Liquid etc..Hydraulic pressure value can be regarded as liquid pressure value, and water flow can be regarded as liquid flow.
S102, it is mixed to first object injection water sand with preset pressure value using the 3D printing object after-treatment device
Object is closed, the 3D printing object of surfacing is obtained.
Optionally, the preset pressure value can be 0.4-0.8MPa.
Optionally, the weight ratio of sand and water can be 0.4-0.7 in the water sand mixture.Wherein, the sand can be
Including aluminum oxide, cubic boron nitride, boron carbide, silicon carbide, at least one of diamond particle.
Specifically, operator takes out the first object from water injector, is placed in the 3D printing object post-processing dress
In the blast room set, later operator under specified air pressure by the rubbing action of sand in water sand mixture by the first object
Support construction remained on surface removes completely, while the first body surface of polishing obtains and handles clean 3D printing object.In order to
It is distinguished with object obtained in each step, handles clean 3D printing object herein it can be appreciated that being the second object.
The second object after polishing has configuration of surface more evenly than the first object, and the surface of the second object is dull surface or mill
Sand face.
Wherein, in water sand mixture, the main function of sand is to polish to the first body surface by friction, water
Main function is that the temperature for maintaining the first body surface is basically unchanged, and prevents since the friction between sand is in the first object table
Face generates a large amount of heat and target three-dimension object is caused to deform.The weight ratio of sand and water can in water sand mixture in the present embodiment
Think 0.15-1.It is low to the treatment effeciency of the first object since the content of sand is too low when weight ratio is less than 0.15, when weight
When amount is than being greater than 1, due to the too high levels of sand, the mobility of sand is reduced in mixture, is difficult to beat the first body surface
Mill.Preferably, the weight ratio of sand and water specifically can be 0.4-0.7 in water sand mixture.The sand, which is selected from, has water resistance
Graininess mould material sand, the surface of the sand has sharp keen geometry corner angle, and the hardness of the sand is higher than Rockwell C60, specifically
Aluminum oxide, cubic boron nitride, boron carbide, silicon carbide, at least one of diamond particle can be selected from.Using above-mentioned
Sand can quickly remove the support construction of the first body surface under preset pressure value, polish the first body surface, and sand
Long service life, do not have to often replacement sand material.
The size of the atmospheric pressure value be it is adjustable, when the remaining support construction of the first body surface is on the high side or the first object
Body surface face has and can control atmospheric pressure value in high value state, when the first body surface is basic when the uneven form in apparent surface
Do not have to control atmospheric pressure value in low state when support construction residual and the unobvious uneven form in surface.But to air pressure
The premise that value size is adjusted is that the atmospheric pressure value must have enough kinetic forces to blow water sand mixture with certain flow velocity
Out to the first body surface.Further, atmospheric pressure value control not only can improve first in 0.4-0.8MPa in the present invention
Body surface grinding efficiency, moreover it is possible to obtain uniform second object in surface, while save a large amount of manual labor.
3D printing object post-processing approach provided by the invention is by successively beating 3D in the gentle pressure of adjustable hydraulic pressure
Object is printed to carry out water flow jet removal support construction and the remaining support construction of sand polishing removal and carry out body surface
Polishing, the final target object for obtaining surface uniformly and be free of support construction, target object is placed for a long time will not strain cracking.
Efficiency is removed using on the one hand support construction that 3D printing object post-processing approach of the invention improves 3D printing object, while
Target object will not be damaged；On the other hand a large amount of labour is saved, improves people using three-dimensionally shaped technology and manufactures object
The enthusiasm of body can promote the development of 3D industry.
S103 cleans the 3D printing object of the surfacing.
Specifically, it can be and the second object jet cleaning liquid cleaned using cleaning hydraulic giant in blast room.It is beating
Part sand is adhered to the second body surface after the completion of mill, it is therefore desirable to be cleaned with cleaning solution to the second body surface.Institute
The cleaning solution stated can be the liquid in step S101, be also possible to clear water.Cleaning can reduce the loss of sand in blast room.
The 3D printing body surface of S104, the surfacing after cleaning coat clear coat.
Specifically, it can be and be not understood as coating clear coat to the second object cleaned up.In step in the present invention
Its configuration of surface of the second object obtained in S102 and S103 is dull surface or frosting, in order to improve 3D printing body surface
Transparency can coat clear coat in the second body surface, and the thickness of the clear coat is unrestricted, with specific reference to practical need
It asks to determine, material used in clear coat is transparent photosensitive resin material.When coating its storage of the 3D printing object of clear coat
Between can further extend.
In above-mentioned steps, step S101-S102 can be a kind of 3D printing object post-processing approach being individually performed, step
Rapid S102 is also possible to a kind of 3D printing object post-processing approach being individually performed, and step S102-S104 is also possible to a kind of list
The 3D printing object post-processing approach solely executed, the invention is not limited thereto.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (25)
1. a kind of 3D printing object after-treatment device characterized by comprising
Blast room, for placing the 3D printing object post-processed；
Gas compressor connects sand-blasting gun, for compressed gas to be inputted sand-blasting gun；
Sand pump connects water sand mixing pit and the sand-blasting gun, for the water sand mixture in water sand mixing pit to be inputted the spray
Sand rifle；
Sand-blasting gun in the blast room is set, there are the first gun inlets for connecting the gas compressor, described in connection
The second gun inlets and lance outlet of sand pump, the sand-blasting gun are used in the lance outlet, with the compressed gas to institute
It states the pressurization of water sand mixture to spray in the blast room, polish the indoor 3D printing body surface of the sandblasting.
2. 3D printing object after-treatment device according to claim 1, which is characterized in that the water sand mixing pit is set to
The bottom of the blast room；
The water sand mixing pit is in gradually-reducing shape, and the big opening end of the water sand mixing pit is connected to the bottom of the blast room, osculum
End is sewage draining exit；The water sand mixing pit recycles described in polishing for accommodating the water sand mixture, and from the big opening end
Water sand waste after 3D printing object.
3. 3D printing object after-treatment device according to claim 2, which is characterized in that the bottom of the blast room is also set
It is equipped with fracture filtration portion；The fracture filtration portion, for by the fragment of support construction from falling after the 3D printing object of polishing
It is separated in junk, and the water sand mixture after separation is made to enter the water sand mixing pit.
4. 3D printing object after-treatment device according to claim 3, which is characterized in that the center in the fracture filtration portion
It is provided with the sandblasting boss for placing the 3D printing object.
5. 3D printing object after-treatment device according to claim 1, which is characterized in that further include air pressure regulator；
The air pressure regulator is arranged on the pipeline that the gas compressor is connect with the sand-blasting gun；The air pressure regulator
For controlling the pressure into the compressed gas of first gun inlets.
6. 3D printing object after-treatment device according to claim 1 or 5, which is characterized in that further include solenoid valve, contact
Device and pressure sensor；
The solenoid valve and the pressure sensor are all disposed on the pipeline that the gas compressor is connect with the sand-blasting gun；
The output end of the pressure sensor connects the control terminal of the contactor, and the output end of the contactor is separately connected the electricity
The control terminal of the control terminal of magnet valve and the sand pump；
The pressure sensor is used to sense the atmospheric pressure value in the pipeline that the gas compressor is connect with the sand-blasting gun, and defeated
Signal gives the contactor out；The signal that the contactor is used to export according to the pressure sensor control the solenoid valve with
The sand pump is powered simultaneously or power-off.
7. 3D printing object after-treatment device according to claim 6, which is characterized in that the pressure sensor is for feeling
The atmospheric pressure value in the pipeline that the gas compressor is connect with the sand-blasting gun is surveyed, and is 0.4-0.8MPa in the atmospheric pressure value
When, the contactor is outputed signal to, so that the contactor controls the solenoid valve and the sand pump is powered simultaneously.
8. 3D printing object after-treatment device according to claim 6, which is characterized in that further include manual start switch；
The output end that the pressure sensor is arranged in the manual start switch connects the route of the control terminal of the contactor
On.
9. 3D printing object after-treatment device according to claim 1, which is characterized in that further include cleaning hydraulic giant；It is described
Cleaning hydraulic giant is set in the blast room, cleans the 3D printing object for spraying clear water into the blast room.
10. 3D printing object after-treatment device according to any one of claims 1 to 5, which is characterized in that the water sand mixing
The weight ratio of sand and water is 0.4-0.7 in object.
11. 3D printing object after-treatment device according to claim 10, which is characterized in that the sand includes three oxidations two
Aluminium, cubic boron nitride, boron carbide, silicon carbide, at least one of diamond particle.
12. a kind of 3D printing object after-treatment system, which is characterized in that any including water injector and claim 1 to 11
The kind 3D printing object after-treatment device；
The water injector includes:
Spray chamber, for placing the 3D printing object post-processed；
Pressure pump, connection are used for from described for liquid pool for liquid pool extract body to water pistol；
Hydraulic-pressure regulating valve is arranged on the pipeline that the pressure pump is connect with the water pistol；
The water pistol in the spray chamber is set, for the liquid to be sprayed to the indoor 3D printing object of water spray
Body, so that the support construction of 3D printing object connection is removed by injection.
13. 3D printing object after-treatment system according to claim 12, which is characterized in that further include that pressurization starting is opened
It closes；The pressurization, which starts switch, to be arranged in the connection line of the pressure pump and power supply, for controlling the pressurization
Water pump is powered or power-off.
14. 3D printing object after-treatment system according to claim 12, which is characterized in that it further include liquid collection portion,
The liquid collection portion is set to the bottom of the spray chamber；The liquid collection portion is in gradually-reducing shape, the liquid collection portion
Big opening end is connected to the bottom of the spray chamber, and the osculum end of the liquid collection portion is connected to described for liquid pool；The feed flow
Giving up after spraying the 3D printing object is recycled for storing the liquid, and from the osculum end of the liquid collection portion in pond
Abandon liquid.
15. 3D printing object after-treatment system according to claim 14, which is characterized in that the bottom of the spray chamber is also
It is provided with support construction filter；The support construction filter, for by the fragment of support construction from spraying the 3D printing
Falling in object after object is separated, and the remaining liquid waste is made to enter the liquid collection portion.
16. 3D printing object after-treatment system according to claim 15, which is characterized in that the support construction filter
Be provided centrally with the water spray boss for placing the 3D printing object.
17. 3D printing object after-treatment system described in any one of 2-16 according to claim 1, which is characterized in that the confession
Filter screen is provided in liquid pool, the aperture of the filter screen is less than the aperture of the support construction filter；The filter screen is used
In the support construction fragment being segregated into the liquid in liquid pool.
18. a kind of 3D printing object post-processing approach, based on any 3D printing object in the claims 12 to 17
After-treatment system characterized by comprising
Liquid is sprayed to preset hydraulic pressure value to the 3D printing object with support construction using the water injector, removes the 3D
The support construction of printing objects connection, obtains the first object；
Water sand mixture, polishing are sprayed to first object with preset pressure value using the 3D printing object after-treatment device
First body surface obtains the 3D printing object of surfacing.
19. according to the method for claim 18, which is characterized in that the 3D printing object for obtaining surfacing it
Afterwards, further includes:
The 3D printing object of the surfacing is cleaned,
The 3D printing body surface of the surfacing after cleaning coats clear coat.
20. according to the method for claim 18, which is characterized in that described to utilize the water injector to preset hydraulic pressure value pair
3D printing object with support construction sprays liquid, removes the support construction of the 3D printing object connection, obtains the
One object, comprising:
Liquid is sprayed to preset hydraulic pressure value to the 3D printing object with support construction using the water injector, until removing institute
At least the 90% of the support construction of 3D printing object connection is stated, the first object is obtained.
21. according to the method for claim 18, which is characterized in that the default hydraulic pressure value is 0.7-1.3MPa.
22. according to the method for claim 18, which is characterized in that the preset pressure value is 0.4-0.8MPa.
23. a kind of 3D printing object post-processing approach, after any 3D printing object in the claims 1 to 11
Processing unit characterized by comprising
Water sand mixture is sprayed to the first object with preset pressure value using the 3D printing object after-treatment device, described in polishing
First body surface obtains the 3D printing object of surfacing.
24. according to the method for claim 23, which is characterized in that the 3D printing object for obtaining surfacing it
Afterwards, further includes:
The 3D printing object of the surfacing is cleaned,
The 3D printing body surface of the surfacing after cleaning coats clear coat.
25. according to the method for claim 23, which is characterized in that the preset pressure value is 0.4-0.8MPa.
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Cited By (1)
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| WO2022081146A1 (en) * | 2020-10-14 | 2022-04-21 | Hewlett-Packard Development Company, L.P. | Tool station with cleaning attachments |
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