CN108126875A - A kind of 3D printing piece surface processing unit and method - Google Patents
A kind of 3D printing piece surface processing unit and method Download PDFInfo
- Publication number
- CN108126875A CN108126875A CN201810071511.0A CN201810071511A CN108126875A CN 108126875 A CN108126875 A CN 108126875A CN 201810071511 A CN201810071511 A CN 201810071511A CN 108126875 A CN108126875 A CN 108126875A
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- China
- Prior art keywords
- spray
- working bin
- spray paint
- paint
- spout
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010146 3D printing Methods 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title description 9
- 239000007921 spray Substances 0.000 claims abstract description 99
- 239000003973 paint Substances 0.000 claims abstract description 92
- 238000004821 distillation Methods 0.000 claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 239000002904 solvent Substances 0.000 claims abstract description 12
- 238000003672 processing method Methods 0.000 claims abstract description 4
- 238000005507 spraying Methods 0.000 claims description 18
- 230000007246 mechanism Effects 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 14
- 238000009423 ventilation Methods 0.000 claims description 8
- 229920000742 Cotton Polymers 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 6
- 230000009977 dual effect Effects 0.000 claims description 3
- 239000002195 soluble material Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 239000012780 transparent material Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 9
- 239000010410 layer Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000004381 surface treatment Methods 0.000 description 4
- 230000008021 deposition Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 238000007592 spray painting technique Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000019441 ethanol Nutrition 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000009692 water atomization Methods 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- NHDHVHZZCFYRSB-UHFFFAOYSA-N pyriproxyfen Chemical group C=1C=CC=NC=1OC(C)COC(C=C1)=CC=C1OC1=CC=CC=C1 NHDHVHZZCFYRSB-UHFFFAOYSA-N 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/002—Pretreatement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
- B05B13/0228—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts the movement of the objects being rotative
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0278—Arrangement or mounting of spray heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/10—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
Abstract
The present invention provides a kind of 3D printing piece surface processing unit, including：Shell, is arranged inside working bin, and the shell side is provided with exhaust outlet；Stent；First spray paint can and the second spray paint can；At least two gunjet racks are evenly arranged in around the stent in working bin, and the stent can be rotated relative to the gunjet rack around vertical axis；The first spout and the second spout are provided on the gunjet rack, first spout is connected with the first spray paint can, and second spout is connected with the second spray paint can；Water tank is arranged in the shell, and atomizer is provided in the water tank, and the tank top is connected with the working bin；Case is distilled, is arranged in the shell, the distillation box top is distilled hole by openable and connected with the working bin, and the distillation case memory contains smooth treatment solvent, and heating unit is additionally provided in the distillation case.The present invention also provides a kind of 3D printing piece surface processing methods.
Description
Technical field
The invention belongs to 3D printing technique field, more particularly to a kind of 3D printing piece surface processing unit and method.
Background technology
3D printing technique, academia are also known as " increasing material manufacturing ", are a kind of new techniques in rapid shaping field, 3D is beaten
The essence of print technology is on the basis of three-dimensional digital model, using computer Slice Software by three-dimensional digital model along Z axis side
Some row " thin slice " are cut into certain thickness, with high-energy source beam, binding agent or other methods, will be melted made of special material
Melt body, powder, silk or piece etc. are successively accumulated bonding, and lamination is into 3D solid.
Fused Deposition Modeling principle (Fused Deposition Modeling, FDM) is also known as fuse deposition, is to utilize heat
The heat molten type and caking property layer upon layer of moulding material (such as ABS, PLA, PVA) form 3D solid, since FDM is successively to beat
Print, can generate step effect, need to carry out smooth treatment and spray painting handles to obtain preferable surface texture.
Therefore, existing 3D printing parts can not be used directly as product, but be surface-treated.And
Due to 3D printing component surface treatment process complexity, the equipment used is numerous, greatly consumes the time of surface treatment, 3D
Printing parts frequently move between the individual devices, it is also difficult to ensure the quality of surface treatment.
To sum up, how to provide one kind makes 3D printing increasing material manufacturing object smooth, increases toughness, and intelligence sprays, low-carbon emission,
Non-pollution discharge, energy saving, the technical issues of easy to operate, widely used device is knack solution of the present invention.
Invention content
Present invention aim to address the defects of existing 3D printing piece surface processing unit is complicated, and integrated level is low,
Provide a kind of 3D printing piece surface processing unit that can carry out smooth treatment and spray treatment.
Another object of the present invention is cannot pre-warmed defect before solution 3D printing part is surface-treated.
A further object of the invention is that exhaust gas is difficult to discharge after overcoming processing in the prior art, pollutes lacking for working environment
It falls into.
Technical solution provided by the invention is：
A kind of 3D printing piece surface processing unit, including：
Shell, is arranged inside working bin, and the shell side is provided with exhaust outlet, wind is provided in the exhaust outlet
Fan；
Stent is arranged on the working bin bottom；
First spray paint can and the second spray paint can, the first spray paint can memory contain paint, the second spray tank memory
Contain solidify liquid；
At least two gunjet racks are evenly arranged in around the stent in working bin, and the stent can be relative to institute
Gunjet rack is stated to rotate around vertical axis；The first spout and the second spout, first spout and are provided on the gunjet rack
One spray paint can connects, and second spout is connected with the second spray paint can；
Water tank is arranged in the shell, and atomizer, the tank top and the work are provided in the water tank
Storehouse is connected；
Case is distilled, is arranged in the shell, hole and the work are distilled in the distillation box top by openable
Storehouse connects, and the distillation case memory contains smooth treatment solvent, and heating unit is additionally provided in the distillation case.
Preferably, the first sleeve and second sleeve of phase fitting, the first set are provided on the working bin side wall
Through-hole is provided on cylinder and second sleeve side wall, filter cotton is provided between first sleeve and second sleeve；
First sleeve and second sleeve are double-layer structure, are provided with filter cotton in the first collet head layer, institute
It states in the second jacket layer and is provided with filter paper.
Preferably, the stent includes four montants arranged vertically, and four rectangular arrangements of montant are two neighboring perpendicular
It is connected between bar by V-type frame, opposite two V-type frame lowermost ends are connected by cross bar.
Preferably, the gunjet rack includes gun body and bending part, and the bending part and gun body are into 150 ° of angles；
The gunjet rack bottom is connect by horizontally disposed shaft with working bin bottom；The gunjet rack upper, middle and lower is equal
It is provided with the first spout and the second spout.
Preferably, there are two grooves for setting on the shell, and first spray paint can and the second spray paint can are installed respectively
In two grooves, the port of export of first spray paint can and the second spray painting pot bottom by pipeline respectively with the first spout and the
Two spout connections；
The tail portion of first spray paint can and the second spray paint can is respectively arranged with one-way conduction valve, and the one-way conduction valve leads to
Solenoid valve is crossed to connect with compressed gas cylinder；
First spray paint can and the second spray paint can are made of transparent material, and first spray paint can and the second spray
Graduation mark is provided on the tank body of paint can.
Preferably, the fan in the exhaust outlet is air inlet/air draft dual purpose fan, is additionally provided with and adds in the exhaust outlet
Heated filament.
Preferably, draft mechanism is further included, the draft mechanism includes：
Air hose, both ends are connect respectively with exhaust outlet and exterior wall ventilation opening；
Self hang down type shutter is arranged on the outside of the exterior wall ventilation opening；
Wind turbine is arranged on the inside of the exterior wall ventilation opening, air is discharged outside exterior wall.
Preferably, sandboard is provided between the self hang down type shutter and wind turbine, the sandboard is set from top to bottom
Multiple S-shaped air ducts are equipped with, the S-shaped air duct connects sandboard both sides, and the S-shaped air duct is located at the height position of the port of inside
It puts, higher than the height and position positioned at the port in outside.
Preferably, for the water tank in annular shape, the water tank upper surface is provided with multiple circumferentially uniformly distributed steam holes；
The distillation case is in annular shape, and case is concentric is set in outside water tank for the distillation, distillation case upper surface setting
There are multiple circumferentially uniformly distributed distillation holes；The distillation box top is provided with ring baffle, is provided on the ring baffle logical
Hole, the ring baffle can be rotated about the axis to be opened or closed with that will distill hole.
A kind of 3D printing piece surface processing method, includes the following steps：
Step 1: 3D printing part is placed on stent, vapor is generated in working bin by water tank, continues 20 points
Clock, to remove the water-soluble material support portion on 3D printing part；
Step 2: being heated to working bin, temperature in working bin is made to reach 110 degrees Celsius, and continue 1 hour；
Step 3: make smooth treatment solvent vapo(u)r full of working bin by distilling case distillation, to be carried out to 3D printing part
Surface smooth treatment, distillation time are 20 minutes；
Step 4: stent is made to be rotated relative to gunjet rack, while solidify liquid is sprayed on by 3D printing zero by the second spout
Part surface, solidify liquid spray time are 2 minutes, and solidify liquid is spaced 15 minutes spraying solidify liquid spray 2 minutes again after spraying；
Step 5: after step 4 is completed 15 minutes, paint film will be sprayed to 3D piece surfaces by the first spout, carry out three altogether
Secondary paint film spraying, each paint film spray time are 2 minutes, are spaced after last paint film spraying and carry out within 15 minutes next time one again
Paint film sprays.
Beneficial effects of the present invention embody in the following areas：
1st, 3D printing piece surface processing unit provided by the invention, compact-sized, compact can be smooth by surface
Processing and spray treatment organically combine, and making that treated, 3D printing piece surface smoothness promotes 50%, and toughness is promoted
70%, it can be by 3D printing object thickness reduces by 50%, it can be achieved that ultra-thin printing.The present invention is formed by multiple block combiners, because
This alternatively, is conveniently operated with multiple functions.
2nd, by setting bidirectional fan and heater strip in the exhaust outlet in shell side face, pre-add hot function can be realized,
The function of air draft can be realized again.By being surface-treated again after being preheated to 3D printing parts, section company can be increased
Connect intensity.
3rd, the present invention by setting draft mechanism, can by generated in surface treatment it is discarded be discharged to outside room in time, put
It puts pollution workplace and then jeopardizes the health of operator.
4th, for the present invention by setting water tank, making water fogging realizes the function of support.
Description of the drawings
Fig. 1 is 3D printing piece surface processing unit outline structural diagram of the present invention.
Fig. 2 is 3D printing piece surface processing unit vertical view of the present invention.
Fig. 3 is the first sleeve partial sectional view of the present invention.
Fig. 4 is enclosure structure diagram of the present invention.
Fig. 5 is working bin internal part structure diagram of the present invention.
Fig. 6 is supporting structure schematic diagram of the present invention.
Fig. 7 is spray paint can of the present invention and compressed gas cylinder connection relationship diagram.
Fig. 8 is gunjet rack structure diagram of the present invention.
Fig. 9 is 3D printing piece surface processing unit right view of the present invention.
Figure 10 is distilled box structure schematic diagram of the present invention.
Figure 11 is heating air draft mechanism of the present invention and draft mechanism structure diagram.
Figure 12 is sand plate structure schematic diagram of the present invention.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to enable those skilled in the art with reference to specification text
Word can be implemented according to this.
As shown in Figure 1 and Figure 2, the present invention provides a kind of 3D printing piece surface processing unit, including shell 110, in institute
Show and working bin 111 is provided in shell.111 top of working bin is provided with openable upper cover.In the shell 110 just
Face is additionally provided with control panel 113, and controller is provided in control panel 113.Together refering to Fig. 9, the right side of the shell 110
Exhaust outlet 112 is provided on wall, is set in the exhaust outlet 112 and fan, it can will be in working bin 111 by the work of fan
Air is discharged to housing exterior.
Filter sleeve is provided in the working bin 111, the filter sleeve is arranged in a vertical direction.By setting
Component in working bin 111 is enclosed in filter sleeve by filter ruffle cylinder, by filter sleeve to the air in working bin 111
It is filtered, is then discharged again through exhaust outlet 112.
The filter sleeve includes the first sleeve 120 of phase fitting and second sleeve 130.Second sleeve 130 is linked in
The outside of one sleeve 120.Filter cotton is provided between the first sleeve 120 and second sleeve 130.First sleeve, 120 He
130 structure of second sleeve is identical.
As shown in figure 3, by taking the first sleeve 120 as an example, first sleeve 120 is double-layer hollow structure, in the first sleeve
Through-hole 121 is provided on 120 barrel.Filter cotton is provided in the interlayer of the first sleeve 120.The second sleeve 130
For double-layer hollow structure, through-hole is also equipped on the side wall of second sleeve 130.It is set in the interlayer of the second sleeve 130
There is filter paper.
Teflon coatings preferably are covered in first sleeve 120 as a kind of, which has the low table of hydrophobic oleophobic
Face energy characteristic, can make the characteristic recycled in splash to the first sleeve interior surface droplet bounce to object or after sliding, play section
The effect of energy emission reduction.
As shown in Fig. 2, Fig. 7, the first spray paint can 140 and the second spray paint can 150 are provided in the shell 110, outside
There are two the first groove and the second groove vertically extended, the first spray paint can 140 and the second spray paint cans for setting in shell 110
150 are inserted into the first groove and the second groove from the top down respectively.The bottom of first spray paint can 140 and the second spray paint can 150
It is both provided with the port of export 141,151.The first groove and second are respectively installed in the first spray paint can 140 and the second spray paint can 150
After in groove, the port of export 151 of 141 and second spray paint can 150 of the port of export of the first spray paint can 140 is connected separately with pipeline,
And pipeline is deep into working bin 111.
First spray paint can, 140 memory contains paint vehicle, and 150 memory of the second spray paint can contains solidify liquid, such as rubber-type
Coating agent.Preferred as one kind, 140 and second spray paint can 150 of the first spray paint can is using transparent tank body, by spraying
The outside of paint can is it is known that paint amount in spray paint can.The spray paint can outer surface is additionally provided with graduation mark, can by graduation mark
To understand the dosage and surplus of material in spray paint can in time.
As shown in fig. 7, it is filled in 140 and second spray paint can 150 of the first spray paint can without pressure by external pressure
The spraying for being set to the first spray paint can 140 and the second spray paint can 150 provides required air pressure.The bottom of first spray paint can 140
The port of export 141 is provided with, the bottom setting of the second spray paint can 150 is also equipped with the port of export 151.First spray paint can 140
Top is provided with the first one-way conduction valve 142, and the top of second spray paint can 150 is provided with the second one-way conduction valve 152.The
One one-way conduction valve 142 allows the air outside the first spray paint can 140 to enter the first spray paint can through the first one-way conduction valve 142
In 140, without the air in the first spray paint can 140 is allowed to be discharged to outside the first spray paint can 140 through the first one-way conduction valve 142.
Same second one-way conduction valve 152 allows air outside the second spray paint can 150 to enter the through the second one-way conduction valve 152
In two spray paint cans 150, without the air in the second spray paint can 150 is allowed to be discharged to the second spray painting through the second one-way conduction valve 152
Outside tank 150.The first one-way conduction valve 142 is connect with the first solenoid valve 143, the other end of the first solenoid valve 143 and compression
Gas cylinder 144 connects.After the first solenoid valve 143 is opened, the compressed air in compressed gas cylinder 144 passes through the first solenoid valve successively
143 and first one-way conduction valve 142 be flowed into the first spray paint can 140, for the first spray paint can 140 carry out spraying pressure is provided.
The second one-way conduction valve 152 is connect with second solenoid valve 153, and the other end and the compressed gas cylinder 144 of second solenoid valve 153 connect
It connects.When the and solenoid valve 153 open after, the compressed air in compressed gas cylinder 144 is single by second solenoid valve 153 and second successively
It is flowed into the second spray paint can 150 to conducting valve 152, carrying out spraying for the second spray paint can 150 provides pressure.
Such as Fig. 4, Fig. 5, gunjet rack 160 and stent 170 are provided on 111 bottom surface of working bin.The gunjet rack 160
It is respectively positioned on stent 170 in the region in filter sleeve besieged city.The stent 170 is arranged at the center of 111 bottom surface of working bin, branch
Frame 170 is used to support 3D printing part.Shaft is provided on the bottom surface of the stent 170, the shaft is arranged vertically, described turn
Axis is passed through above 111 bottom surface of working bin to the lower section of 111 bottom surface of working bin, and electricity is provided with below 111 bottom surface of working bin
Machine rotates for driving arm 170.There are two the settings of gunjet rack 160, is arranged symmetrically in the both sides of stent 170.The spray
The bottom of gun rack 160 is connected to by horizontally disposed shaft 165 on 111 bottom surface of working bin, and the shaft 165 turns for damping
Axis enables gunjet rack 160 to be rotated around the shaft and can be parked in any position.Since 3D printing part is placed on two spray guns
Between frame 160, then appropriate two gunjet racks 160 of adjusting can be carried out according to the size of 3D printing part to be sprayed
Spray angle.
As shown in fig. 6, the stent 170 includes four montants 171 arranged vertically, four 171 rectangular arrangements of montant.
It is connected between two neighboring montant 171 by V-type frame 172, the lowermost end of opposite two V-type framves 172 is connected by cross bar 173
It connects, two cross bars 173 form a cross connecting rod.By this arrangement, the support any shape that stent 170 is enable to stablize
3D printing part.
As shown in figure 8, the gunjet rack 160 includes gun body 161 and bending part 162, the bending part 162 and spray gun
It is in 150 ° of angles between ontology 161.In gunjet rack 160 towards the side of stent 170, multigroup nozzle is provided with, such as in spray gun
Three positions of upper, middle and lower of frame 160 set three groups of nozzles, include first jet 163 and second nozzle 164 in every group of nozzle.Its
In, first jet 163 is connected by pipeline with the first spray paint can 140, and paint can be sprayed from first jet 163；Second
Nozzle 164 is connected by pipeline with the second spray paint can 150, and rubber-type coating agent can be sprayed from second nozzle 164.It is described
Pipeline is ring pipe or bellows.
As shown in Figure 4, Figure 5, water tank 114 and distillation case 115, the water tank are provided in the bottom of the working bin 111
114 and distillation case 115 be annular, distillation case 115 be set in outside water tank 114.Water is contained in 114 memory of water tank, in institute
It states and ultrasonic wave high frequency oscillation atomizer is additionally provided in water tank 114, the top of water tank 114 is provided with the circular array of steaming of a circle
Steam vent 116, water tank 114 are connected by steam hole 116 with working bin 111.When the ultrasonic wave high frequency oscillation atomizer in water tank 114
It during work, is entered in working bin by the water atomization in water tank 114, and from steam hole 116, makes to fill in the space of working bin 111
The water droplet of full fine particle shape.The water-soluble support materials on 3D printing parts are removed by atomized water.
Together refering to Figure 10, distillation 115 memory of case contains smooth treatment solvent, such as ethyl alcohol or acetone.It is distilling
115 bottom of case is provided with heating unit, such as heating wire.Smooth treatment solvent can be added when heating unit works
Heat, smooth treatment solvent can evaporate after being heated.The circular array of distillation hole 117 of a circle is provided at the top of distillation case 115,
115 top of distillation case is additionally provided with ring baffle 118, and the rounded arrangement of a circle is provided on the ring baffle 118
Through-hole 119, the through-hole 119 is corresponding with distillation hole 117, when ring baffle 118 rotates to specific position, can make every
One distillation hole 117 and a through-hole 119 are coaxial corresponding, at this point, distillation case 115 is by distilling hole 117 and through-hole 119 and work
Storehouse 111 connects, and can be full of entire working bin 111 after distilling the smooth treatment evaporation of the solvent in case 115.When ring baffle 118
After rotating by a certain angle again, ring baffle 118 can close distillation hole 117, make smooth treatment solvent in distillation case 115 not
It can enter in working bin.Ring baffle 118 can also set a rotating mechanism to rotate annular by rotating manually
Baffle realizes the opening and closing in distillation hole 117.
As shown in figure 11,3D printing piece surface processing unit provided by the invention further includes heating air draft mechanism and air inducing
Mechanism.The heating air draft mechanism includes the fan 181 and heater strip 182 that are arranged in the exhaust outlet 112.The fan
181 be air inlet/air draft dual purpose fan, can be by the air outside shell 110 through exhaust outlet when fan 181 is air inlet pattern
112 are blown into shell 110, and air makes the air being blown into shell 110 be hot-air after the heating of heater strip 182.It is logical
Setting fan 181 and heater strip 182 are crossed, the pending parts being put into working chamber 111 can be carried out before treatment
1 hour of heating in advance, to increase the section bonding strength of parts.
When fan 181 is air draft pattern, the gas in working bin 111 can be discharged to outside working bin 111.Distillation and
The gas being detrimental to health can be generated in spraying process in working bin 111, when fan 181 is air draft pattern, working bin
Interior gas can be filtered first by filter sleeve, then be discharged from exhaust outlet 112.
The draft mechanism includes air hose 183, and the both ends of the air hose 183 are by exhaust outlet 112 and exterior wall ventilation opening
184 link together.In outer wall vent mouth 184, it is disposed with self hang down type shutter 185, sandboard inwardly from outside
186 and wind turbine 187, air duct is provided in sandboard 186, and wind turbine 187 can generate negative pressure by the air in shell 110 after working
It is introduced into air hose 183 through exhaust outlet 112, and exterior wall ventilation opening is drawn out to by sandboard 186 and self hang down type shutter 185
Outside 184, it is discharged to outside house.When wind turbine 187 works, the window leaf of self hang down type shutter 185 is blown afloat under the action of the wind, air
Smoothly discharge.After wind turbine 187 is stopped, window leaf is sagging under the effect of gravity, prevent extraneous sleet, bulky grain dust into
Enter.By the setting of draft mechanism, matched with heating air draft mechanism, the pernicious gas that will further be discharged from exhaust outlet 112
It is discharged to outside wall.During being distilled and being sprayed, the equipment heated in air draft mechanism and draft mechanism is in powering off
State prevents solvent distillation or spray coating liquor from causing equipment short-circuit.After the distillation or after spraying, then carry out air inducing and row
Wind.
As shown in figure 12, the sandboard 186 is provided with multiple S-shaped air ducts 187,187, the S-shaped air duct from top to bottom
Height and position in the port of inside, higher than positioned at the port in outside.Such setting can make the particulate matter being blown into from outside
Into after S-shaped air duct 187, due to the limitation of 187 shape of S-shaped air duct, sandboard can be slipped to along the surface in S-shaped air duct 187
186 outside, without entering 186 inside of sandboard.
3D printing piece surface processing unit provided by the invention organically combines surface smooth treatment and spray treatment
Together, at the same be also equipped with support function.Pass through work of the controller to each component in 3D printing piece surface processing unit
State is controlled.When being distilled and being sprayed, unnecessary electrical equipment is made to be in off-position by controller, prevented
Major structure is into the short circuit of electrical equipment.
The present invention also provides a kind of 3D printing piece surface processing methods, include the following steps：
Step 1: the 3D printing part for printing completion is put on the stent 170 in working bin 111, cooled down.It beats
It carries out cooling down effectively within five minutes after the completion of print.The type of cooling is by by the ultrasonic wave high frequency oscillation mist in water tank 114
Change device by the water atomization in water tank 114, atomized water is diffused into entire 111 space of working bin, and 3D printing part can be carried out
Cooling, meanwhile, the support section on 3D printing part is water-soluble material, can be by support section under the action of atomized water
Dissolving removal.The time of cooling is 20 minutes.
Step 2: heater strip 182 is powered, and fan 181 is made to be in air inlet pattern, by heat blow to working bin 111
It is interior, 3D printing part is heated, keeps the temperature in working bin 111 at 110 degrees Celsius, continuous heating 1 hour, to increase
Level link strength.
Step 3: the distillation hole 117 distilled on case 115 is opened, and the heating unit in distillation case 115 is made to work, lead to
Distillation ethyl alcohol or acetone equal solvent are crossed, 3D printing part is processed by shot blasting, the polishing treatment time is 20 minutes.
Step 4: control stent 170 is rotated around vertical axis, by the second spout 164 on gunjet rack 160 by solidify liquid
It is sprayed on 3D printing piece surface.It carries out solidify liquid twice altogether to spray, each spray time is 2 minutes, and solidify liquid sprays twice
Between be spaced 15 minutes.
Step 5: step 4 complete 15 minutes after, by the first spout 163 will to 3D piece surfaces spray paint film, altogether into
Paint film sprays row three times, and each paint film spray time is 2 minutes, is spaced 15 minutes after last paint film spraying and carries out down again
Secondary paint film spraying.
By above-mentioned steps, realize and support, surface smooth treatment and surface spraying processing are gone to 3D printing part, make processing
3D printing piece surface smoothness afterwards promotes 50%, and toughness promotes 70%, can be by 3D printing object thickness reduces by 50%, can
Realize ultra-thin printing.
Although the embodiments of the present invention have been disclosed as above, but its be not restricted in specification and embodiment it is listed
With.It can be applied to various suitable the field of the invention completely.It for those skilled in the art, can be easily
Realize other modification.Therefore without departing from the general concept defined in the claims and the equivalent scope, it is of the invention and unlimited
In specific details and legend shown and described herein.
Claims (10)
1. a kind of 3D printing piece surface processing unit, which is characterized in that including：
Shell, is arranged inside working bin, and the shell side is provided with exhaust outlet, fan is provided in the exhaust outlet；
Stent is arranged on the working bin bottom；
First spray paint can and the second spray paint can, the first spray paint can memory contain paint, and the second spray tank memory contains
Solidify liquid；
At least two gunjet racks are evenly arranged in around the stent in working bin, and the stent can be relative to the spray
Gun rack is rotated around vertical axis；The first spout and the second spout, first spout and the first spray are provided on the gunjet rack
Paint can connects, and second spout is connected with the second spray paint can；
Water tank is arranged in the shell, and atomizer, the tank top and the working bin phase are provided in the water tank
Connection；
Case is distilled, is arranged in the shell, the distillation box top is distilled hole by openable and connected with the working bin
Logical, the distillation case memory contains smooth treatment solvent, and heating unit is additionally provided in the distillation case.
2. 3D printing piece surface processing unit according to claim 1, which is characterized in that set on the working bin side wall
The first sleeve and second sleeve of phase fitting are equipped with, is provided with through-hole on first sleeve and second sleeve side wall, described
Filter cotton is provided between one sleeve and second sleeve；
First sleeve and second sleeve are double-layer structure, are provided with filter cotton in the first collet head layer, and described
Filter paper is provided in two jacket layers.
3. 3D printing piece surface processing unit according to claim 1, which is characterized in that the stent includes four and erects
The montant directly arranged, four rectangular arrangements of montant are connected between two neighboring montant, opposite two V-type framves by V-type frame
Lowermost end is connected by cross bar.
4. 3D printing piece surface processing unit according to claim 3, which is characterized in that the gunjet rack includes spray gun
Ontology and bending part, the bending part and gun body are into 150 ° of angles；The gunjet rack bottom by horizontally disposed shaft with
Working bin bottom connects；The gunjet rack upper, middle and lower is both provided with the first spout and the second spout.
5. 3D printing piece surface processing unit according to claim 4, which is characterized in that be provided with two on the shell
A groove, first spray paint can and the second spray paint can are separately mounted in two grooves, first spray paint can and the second spray
The port of export of paint can bottom by pipeline respectively with the first spout and the second spout connection；
The tail portion of first spray paint can and the second spray paint can is respectively arranged with one-way conduction valve, and the one-way conduction valve passes through electricity
Magnet valve is connect with compressed gas cylinder；
First spray paint can and the second spray paint can are made of transparent material, and first spray paint can and the second spray paint can
Tank body on be provided with graduation mark.
6. 3D printing piece surface processing unit according to claim 5, which is characterized in that the fan in the exhaust outlet
For air inlet/air draft dual purpose fan, heater strip is additionally provided in the exhaust outlet.
7. 3D printing piece surface processing unit according to claim 6, which is characterized in that further include draft mechanism, institute
Draft mechanism is stated to include：
Air hose, both ends are connect respectively with exhaust outlet and exterior wall ventilation opening；
Self hang down type shutter is arranged on the outside of the exterior wall ventilation opening；
Wind turbine is arranged on the inside of the exterior wall ventilation opening, air is discharged outside exterior wall.
8. 3D printing piece surface processing unit according to claim 7, which is characterized in that the self hang down type shutter with
Sandboard is provided between wind turbine, the sandboard is provided with multiple S-shaped air ducts from top to bottom, and the S-shaped air duct makes sandboard
Both sides connect, and the S-shaped air duct is located at the height and position of the port of inside, higher than the height and position positioned at the port in outside.
9. 3D printing piece surface processing unit according to claim 8, which is characterized in that the water tank is in annular shape,
The water tank upper surface is provided with multiple circumferentially uniformly distributed steam holes；
The distillation case is in annular shape, and case is concentric is set in outside water tank for the distillation, and the distillation case upper surface is provided with more
A circumferentially uniformly distributed distillation hole；The distillation box top is provided with ring baffle, and through-hole, institute are provided on the ring baffle
It states ring baffle and can rotate about the axis and opened or closed so that hole will be distilled.
10. a kind of 3D printing piece surface processing method, which is characterized in that using described in any one in claim 1-9
3D printing piece surface processing unit, and include the following steps：
Step 1: 3D printing part is placed on stent, vapor is generated in working bin by water tank, continues 20 minutes,
To remove the water-soluble material support portion on 3D printing part；
Step 2: being heated to working bin, temperature in working bin is made to reach 110 degrees Celsius, and continue 1 hour；
Step 3: make smooth treatment solvent vapo(u)r full of working bin by distilling case distillation, to carry out surface to 3D printing part
Smooth treatment, distillation time are 20 minutes；
Step 4: stent is made to be rotated relative to gunjet rack, while solidify liquid is sprayed on by 3D printing parts list by the second spout
Face, solidify liquid spray time are 2 minutes, and solidify liquid is spaced 15 minutes spraying solidify liquid spray 2 minutes again after spraying；
Step 5: after step 4 is completed 15 minutes, paint film will be sprayed to 3D piece surfaces by the first spout, painted three times altogether
Film sprays, and each paint film spray time is 2 minutes, is spaced after last paint film spraying and carries out within 15 minutes a next paint film again
Spraying.
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| CN201810071511.0A CN108126875A (en) | 2018-01-25 | 2018-01-25 | A kind of 3D printing piece surface processing unit and method |
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| CN201810071511.0A CN108126875A (en) | 2018-01-25 | 2018-01-25 | A kind of 3D printing piece surface processing unit and method |
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| CN113403695A (en) * | 2021-06-07 | 2021-09-17 | 苏州国量量具科技有限公司 | Melt blowing equipment |
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