CN207825468U - A kind of 3D printing device based on gas-liquid chemical reaction deposit - Google Patents
A kind of 3D printing device based on gas-liquid chemical reaction deposit Download PDFInfo
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- CN207825468U CN207825468U CN201820073160.2U CN201820073160U CN207825468U CN 207825468 U CN207825468 U CN 207825468U CN 201820073160 U CN201820073160 U CN 201820073160U CN 207825468 U CN207825468 U CN 207825468U
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Abstract
The utility model discloses a kind of 3D printing devices based on gas-liquid chemical reaction deposit.Including sealed molding room, and the triaxial connecting system that is arranged in sealing moulding room；The triaxial connecting system is planned according to the mobile route of D printer control systems, is carried nozzle and is moved along X-axis, Y-axis or Z-direction in sealing moulding room；The sealed molding room is internally provided with forming tank；Nozzle is air nozzle, is located above forming tank；The outside of sealed molding room is provided with feed tank, gas cylinder；Forming tank is equipped with a spray nozzle, and spray nozzle connects feed tank by conduit；Matrix Solution is housed in feed tank；Forming parts purpose can be realized by above-mentioned simple structure configuration, entire forming process automated manner under the driving of the chemical energy of reaction gas and Matrix Solution, without being additionally provided heat source, light source etc., other than having the characteristics that existing D printing techniques, also have the characteristics that of simple structure and low cost, easy to implement.
Description
Technical field
The utility model is related to material increasing field more particularly to a kind of 3D printing dresses based on gas-liquid chemical reaction deposit
It sets.
Background technology
3D printing is the popular appellation of increases material manufacturing technology, it is based on a digital model file, and utilization is powdered
The adhesive materials such as metal or plastics, after being connect with computer, in such a way that printed material is successively stacked accumulation by computer control
To construct the technology (i.e. " lamination appearance method ") of object.Often it is used for modeling in fields such as mold manufacturing, industrial designs, after
It is gradually available for the direct manufacture of some products, has been had using parts made of the printing of this technology.The technology is in jewelry, shoes
Class, industrial design, building, engineering and construction (AEC), automobile, aerospace, dentistry and medical industries, education, geography information system
System, civil engineering and other field are all applied.
3D printing technique includes selective laser smelting technology, selective laser sintering technology, electron-beam melting forming technique, melts
Melt deposition technique, digitlization optical processing technique, stereolithography technology etc., is had been obtained for significantly by constantly developing
Achievement.The above 3D printing technique is realized by heating the modes such as powder or silk material, solidified resin, cutting thin slice.
Invention content
The shortcomings that the purpose of the utility model is to overcome the above-mentioned prior arts and deficiency provide a kind of based on gas-liquid chemistry
The 3D printing device of reactive deposition.
The utility model is achieved through the following technical solutions：
A kind of 3D printing device based on gas-liquid chemical reaction deposit, including sealed molding room 10, and setting are sealing
Triaxial connecting system in molding room 10；The triaxial connecting system is planned according to the mobile route of 3D printer control system, is taken
Band nozzle moves in sealed molding room 10 along X-axis, Y-axis or Z-direction；The sealed molding room 10 is internally provided with molding
Slot 17；
The nozzle is air nozzle 15, is located at 17 top of forming tank；
The outside of the sealed molding room 10 is provided with feed tank 1, gas cylinder 2；
The forming tank 17 is equipped with a spray nozzle 14, and spray nozzle 14 connects feed tank 1 by conduit 13；Feed tank is built-in
There is Matrix Solution 4；
The air nozzle 15 connects gas cylinder 2 by servo-actuated conduit 5；Reaction gas is housed in gas cylinder 2.
Bottom is provided with molding base station in the forming tank 17.
The conduit 13 and the joining place of feed tank are provided with electromagnetic valve 6；The servo-actuated conduit 5 is connected with gas cylinder 2
Place is provided with air valve 8.
The feed tank 1 and gas cylinder 2 are separately mounted to 10 upper left of sealed molding room.
A kind of operation method of the 3D printing device based on gas-liquid chemical reaction deposit comprising following steps：
Step 1：According to the shape of parts to be processed, its three-dimensional CAD mathematical model is established, then saves as STL format texts
Part carries out slicing treatment using Slice Software to three-dimensional digital model, and the thickness of every layer of slice is identical, and part is contained in slice
Section profile information, by after slice file import mobile route planning software in, obtain air nozzle 15 mobile route number
According to；
Step 2：The coordinate position of air nozzle 15 is adjusted by triaxial connecting system, in advance moves the nozzle of air nozzle 15
Move to molding base station on, and with molding one slice thickness of base station distance；
Step 3：Matrix Solution 4 is filled in advance in forming tank 17；
Step 4：Start processing operation, triaxial connecting system is planned according to the mobile route of 3D printer control system, is taken
It is selective that reaction is sprayed on the Matrix Solution 4 of molding base station with air nozzle 15 according to the mobile data path in step 1
Gas, reaction gas contact generation chemical reaction solid deposition with the Matrix Solution 4 of molding base station upper surface, complete the one of part
The processing of a shape layer；
Step 5：After the completion of step 4, air nozzle 15 rise a slice thickness height, Matrix Solution 4 itself
Under tension and gravity under neous flow, it is covered in the surface of molded layer again, air nozzle 15 is according to next layer of mobile shifting
Dynamic path, the molded layer surface is ejected by reaction gas, by chemically reacting the electrodeposition substance generated to molded layer table
This layer of processing is completed in face；
Step 6：Step 4 is repeated to step 5, until entire part machines.
In part process described in step 6, with the progress of chemical reaction, Matrix Solution 4 in forming tank 17 can be by
It is decrescence few, then open electromagnetic valve 6 and supplement Matrix Solution 4, make the shape layer of part be in always Matrix Solution 4 liquid level it
Under.
Reaction gas described in step 4 is carbon dioxide or ammonia；
Step 4 described matrix solution is calcium hydroxide solution or magnesium chloride solution.
The utility model compared with the existing technology, has the following advantages and effect：
It is a kind of processing method that the utility model, which will chemically react Sunk-fund effect successful conversion, is had developed a kind of novel
3D printing method is essentially consisted in the difference of conventional laser selective melting equipment：10 inside setting of the sealed molding room
There is forming tank 17；The nozzle is air nozzle 15, is located at 17 top of forming tank；The outside of the sealed molding room 10 is provided with confession
Liquid bath 1, gas cylinder 2；The forming tank 17 is equipped with a spray nozzle 14, and spray nozzle 14 connects feed tank 1 by conduit 13；Feed tank
It is interior that Matrix Solution 4 is housed；
The air nozzle 15 connects gas cylinder 2 by servo-actuated conduit 5；Reaction gas is housed in gas cylinder 2.In the forming tank 17
Bottom is provided with molding base station.It is configured by above structure, beating for workpiece is realized under based on gas-liquid chemical reaction deposit principle
Print.Forming parts purpose can be realized by above-mentioned simple structure configuration, entire forming process is molten with matrix in reaction gas
The lower automated manner of chemical energy driving of liquid (liquid or jelly), without being additionally provided heat source, light source etc..
The utility model occurs chemical reaction by reaction gas and Matrix Solution 4 (liquid or jelly) and generates solid
The phenomenon that precipitation, in conjunction with the mobile route planning of traditional 3D printer control system and the robot brain of triaxial connecting system
Reason, according to the digital model of required part, according to treated mobile route, control air nozzle constituency, which is moved, simultaneously constantly to be sprayed
Reaction gas, and with Matrix Solution 4 occur chemical deposition react, by accumulate layer by layer be superimposed finally realize entire part at
Type.According to the material of required part, different combinations can be configured, obtains metal, inorganic non-metallic and SOLID ORGANIC body etc.
The part of unlike material.The utility model is innovative using the phenomenon as a kind of molding side according to chemical reaction deposit phenomenon
Formula developed new 3D printing technique, not only simple in structure, easy to implement, and entire forming process is by two kinds of substances
The spontaneous promotion of chemical energy, there is no need to introduce heat source, light source etc., have high application potential and value.
Description of the drawings
Fig. 1 is 3D printing device of the utility model based on gas-liquid chemical reaction deposit.
Fig. 2 is 3D operational flow diagram of the utility model based on gas-liquid chemical reaction deposit.
In figure：Feed tank 1；Gas cylinder 2；X guide rails 3；Matrix Solution 4；Servo-actuated conduit 5；Electromagnetic valve 6；Y guide rail 7；Air valve 8；
Sliding block 9；Sealed molding room 10；Supporting rod 11；Z guide rails 12；Conduit 13；Spray nozzle 14；Air nozzle 15, molded part 16；At
Type groove 17.
Specific implementation mode
The utility model is more specifically described in detail with reference to specific embodiment.
Embodiment
As shown in Figs. 1-2.The utility model discloses a kind of 3D printing devices based on gas-liquid chemical reaction deposit, including
Sealed molding room 10, and the triaxial connecting system that is arranged in sealed molding room 10；The triaxial connecting system is according to 3D printing
The mobile route of machine control system is planned, is carried nozzle and is moved along X-axis, Y-axis or Z-direction in sealed molding room 10；
3D printing technique is based on dispersed material successively accumulation forming principle, the digitlization zero according to Three-dimensional Design Software design
The three-dimensional data of part directly produces the function part with labyrinth by modes such as selective melting, accumulations.This practicality is new
The 3D printing device based on gas-liquid chemical reaction deposit that type provides with traditional approach the difference is that, be not necessarily to additional heat
Source, light source etc. rely solely on the spontaneous progress of chemical energy of gaseous reactant material and liquid or gluey base matter, simple for process,
It is easy to implement.
Concrete scheme is as follows：
The sealed molding room 10 is internally provided with forming tank 17；
The nozzle is air nozzle 15, is located at 17 top of forming tank；
The outside of the sealed molding room 10 is provided with feed tank 1, gas cylinder 2；
The forming tank 17 is equipped with a spray nozzle 14, and spray nozzle 14 connects feed tank 1 by conduit 13；Feed tank is built-in
There is Matrix Solution 4；
The air nozzle 15 connects gas cylinder 2 by servo-actuated conduit 5；Reaction gas is housed in gas cylinder 2.
Bottom is provided with molding base station in the forming tank 17.
The conduit 13 and the joining place of feed tank are provided with electromagnetic valve 6；The servo-actuated conduit 5 is connected with gas cylinder 2
Place is provided with air valve 8.
The feed tank 1 and gas cylinder 2 are separately mounted in sealed molding room 10.
Sealed molding room 10 provides environment for chemical reaction deposit process, avoids the interference of environment.
The Matrix Solution 4 for being stored in feed tank 1 in advance flows into molding by conduit 13 by electromagnetic valve 6 by spray nozzle 14
In slot 17, Matrix Solution 4 fills forming tank 17 in advance before being molded, with the progress of chemical reaction, forming tank in forming process
Matrix Solution 4 in 17 can gradually decrease, then open electromagnetic valve 6 so that the Matrix Solution 4 stored in advance flows into forming tank
It is supplemented.
X guide rails 3, Y guide rail 7 and Z guide rails 12 in triaxial connecting system realize that sliding block 9 is moved in X, Y and Z-direction, folder
11 left end of bar connection air nozzle 15 is held, right end is connect with sliding block 9, and then the movement of sliding block 9 has driven the movement of air nozzle 15.By
Triaxial connecting system operation principle phase in the working mechanism of the triaxial connecting system, with existing selective laser melting unit
Together, it therefore no longer repeats one by one.
After Matrix Solution 4 in forming tank 17 is full of, the reaction gas in gas cylinder 2 is passed through by air valve 8 by servo-actuated conduit 5
Air nozzle 15 is passed through in forming tank 17.Reaction gas by with Matrix Solution 4 occur chemical reaction generate solid precipitation, by by
Layer deposition obtains part 16.After often completing a formable layer, air nozzle 15 rises the height of a slice thickness, and Matrix Solution 4 exists
Weight effect is lower to be taped against 16 surface of molded part in advance automatically, and then prepares for next layer of chemical reaction deposit.Constantly repeat
Above step is until entire forming process is completed.
The operation method of 3D printing device of the utility model based on gas-liquid chemical reaction deposit comprising following steps：
Step 1：According to the shape of parts to be processed, its three-dimensional CAD mathematical model is established, then saves as STL format texts
Part carries out slicing treatment using Slice Software to three-dimensional digital model, and the thickness of every layer of slice is identical, and part is contained in slice
Section profile information, by after slice file import mobile route planning software in, obtain air nozzle 15 mobile route number
According to；
Step 2：The coordinate position of air nozzle 15 is adjusted by triaxial connecting system, in advance moves the nozzle of air nozzle 15
Move to molding base station on, and with molding one slice thickness of base station distance；
Step 3：Matrix Solution 4 is filled in advance in forming tank 17；
Step 4：Start processing operation, triaxial connecting system is planned according to the mobile route of 3D printer control system, is taken
It is selective that reaction is sprayed on the Matrix Solution 4 of molding base station with air nozzle 15 according to the mobile data path in step 1
Gas, reaction gas contact generation chemical reaction solid deposition with the Matrix Solution 4 of molding base station upper surface, complete the one of part
The processing of a shape layer；
Step 5：After the completion of step 4, air nozzle 15 rise a slice thickness height, Matrix Solution 4 itself
Under tension and gravity under neous flow, it is covered in the surface of molded layer again, air nozzle 15 is according to next layer of mobile shifting
Dynamic path, the molded layer surface is ejected by reaction gas, by chemically reacting the electrodeposition substance generated to molded layer table
This layer of processing is completed in face；
Step 6：Step 4 is repeated to step 5, until entire part machines.
In part process described in step 6, with the progress of chemical reaction, Matrix Solution 4 in forming tank 17 can be by
It is decrescence few, then open electromagnetic valve 6 and supplement Matrix Solution 4, make the shape layer of part be in always Matrix Solution 4 liquid level it
Under.
The reaction gas should can occur chemical precipitation with Matrix Solution and react, and produce required solid material, group
It closes including but not limited to as shown below：
Using carbon dioxide as reactive material, using calcium hydroxide solution as Matrix Solution, pass through carbon dioxide and calcium hydroxide
Chemical reaction occurs after solution contact and generates precipitation of calcium carbonate, it is real that precipitation of calcium carbonate forms required part after successively accumulating
Body.For obtain magnesium hydroxide material part, can by ammonia be as reactive material, it is molten using magnesium chloride solution as matrix
Liquid generates magnesium hydrate precipitate to obtain required material object parts by chemical reaction between the two.
The utility model air nozzle can install barometric damper door, and the bore of air nozzle can according to forming part required precision
Size is chosen in 0.1-1.0mm；Specific size should be depending on practical application.
Air nozzle rises a slice thickness, and concrete numerical value need to need to select within the scope of 0.05-0.3mm according to molding.
According to the difference of reaction product, inorganic non-metallic part, metal parts and organic matter part can be divided into.
The utility model occurs chemical reaction by reaction gas and Matrix Solution 4 (liquid or jelly) and generates solid
The phenomenon that precipitation, in conjunction with the mobile route planning of traditional 3D printer control system and the robot brain of triaxial connecting system
Reason, according to the digital model of required part, according to treated mobile route, control air nozzle constituency, which is moved, simultaneously constantly to be sprayed
Reaction gas, and with Matrix Solution 4 occur chemical deposition react, by accumulate layer by layer be superimposed finally realize entire part at
Type.According to the material of required part, different combinations can be configured, obtains metal, inorganic non-metallic and SOLID ORGANIC body etc.
The part of unlike material.The utility model is innovative using the phenomenon as a kind of molding side according to chemical reaction deposit phenomenon
Formula developed new 3D printing technique, not only simple in structure, easy to implement, and entire forming process is by two kinds of substances
The spontaneous promotion of chemical energy, there is no need to introduce heat source, light source etc., have high application potential and value.
As described above, the utility model can be realized preferably.
The embodiment of the utility model is simultaneously not restricted to the described embodiments, other are any without departing from the utility model
Changes, modifications, substitutions, combinations, simplifications made by under Spirit Essence and principle, should be equivalent substitute mode, are included in
Within the scope of protection of the utility model.
Claims (4)
1. a kind of 3D printing device based on gas-liquid chemical reaction deposit, including sealed molding room (10), and setting are sealing
Triaxial connecting system in molding room (10)；The triaxial connecting system according to the mobile route of 3D printer control system plan,
Nozzle is carried to move along X-axis, Y-axis or Z-direction in sealed molding room (10)；It is characterized in that：
The sealed molding room (10) is internally provided with forming tank (17)；
The nozzle is air nozzle (15), is located above forming tank (17)；
The outside of the sealed molding room (10) is provided with feed tank (1), gas cylinder (2)；
The forming tank (17) is equipped with a spray nozzle (14), and spray nozzle (14) connects feed tank (1) by conduit (13)；Feed flow
Matrix Solution (4) is housed in slot；
The air nozzle (15) connects gas cylinder (2) by servo-actuated conduit (5)；Reaction gas is housed in gas cylinder (2).
2. the 3D printing device based on gas-liquid chemical reaction deposit according to claim 1, the interior bottom of the forming tank (17)
It is provided with molding base station.
3. the 3D printing device based on gas-liquid chemical reaction deposit according to claim 1, the conduit (13) and feed tank
Joining place be provided with electromagnetic valve (6)；The servo-actuated conduit (5) and the joining place of gas cylinder (2) are provided with air valve (8).
4. the 3D printing device based on gas-liquid chemical reaction deposit according to claim 1, the feed tank (1) and gas cylinder
(2) it is separately mounted to sealed molding room (10) upper left.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820073160.2U CN207825468U (en) | 2018-01-17 | 2018-01-17 | A kind of 3D printing device based on gas-liquid chemical reaction deposit |
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| CN201820073160.2U CN207825468U (en) | 2018-01-17 | 2018-01-17 | A kind of 3D printing device based on gas-liquid chemical reaction deposit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108312524A (en) * | 2018-01-17 | 2018-07-24 | 华南理工大学 | A kind of 3D printing device and operation method based on gas-liquid chemical reaction deposit |
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2018
- 2018-01-17 CN CN201820073160.2U patent/CN207825468U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108312524A (en) * | 2018-01-17 | 2018-07-24 | 华南理工大学 | A kind of 3D printing device and operation method based on gas-liquid chemical reaction deposit |
| WO2019140972A1 (en) * | 2018-01-17 | 2019-07-25 | 华南理工大学 | Gas-liquid chemical reaction deposition-based 3d printer and operating method thereof |
| CN108312524B (en) * | 2018-01-17 | 2024-03-26 | 华南理工大学 | 3D printing device based on gas-liquid chemical reaction deposition and operation method |
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