CN207828410U - A kind of 3D printer based on liquid solid chemical reaction deposition - Google Patents
A kind of 3D printer based on liquid solid chemical reaction deposition Download PDFInfo
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- CN207828410U CN207828410U CN201820073151.3U CN201820073151U CN207828410U CN 207828410 U CN207828410 U CN 207828410U CN 201820073151 U CN201820073151 U CN 201820073151U CN 207828410 U CN207828410 U CN 207828410U
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Abstract
The utility model discloses a kind of 3D printers based on liquid solid chemical reaction deposition；Including sealed molding room, powder cylinder, moulding cylinder, powder supply mechanism, and the triaxial connecting system that is located in sealing moulding room；The triaxial connecting system is planned according to the mobile route of 3D printer control system, is carried nozzle and is moved in sealing moulding room；The outside of sealed molding room is equipped with liquid feed device, and gluey reactive material is loaded in liquid feed device, and the nozzle is fluid injector, which is connected to by servo-actuated conduit with liquid feed device；By jelly and powdered rubber, there is a phenomenon where chemical reactions to generate solid precipitation, according to required Components Digital model, according to treated mobile route, control fluid injector constituency moves and constantly sprays gluey reactive material reacts with the generation chemical deposition of matrix powder substance, by the accumulation stacked system layer by layer with existing 3D printing increasing material manufacturing equipment, after to be solidified, the molding of entire part is finally realized.
Description
Technical field
The utility model is related to material increasing field more particularly to a kind of 3D printings based on liquid solid chemical reaction deposition
Machine.
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, gun 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 liquid solidification
The 3D printer of reactive deposition.
The utility model is achieved through the following technical solutions：
It is a kind of based on liquid solid chemical reaction deposition 3D printer, including sealed molding room 8, powder cylinder 14, moulding cylinder 16,
Powder supply mechanism, and the triaxial connecting system that is arranged in sealed molding room 8；The triaxial connecting system is controlled according to 3D printer
The mobile route of system is planned, is carried nozzle and is moved along X-axis, Y-axis or Z-direction in sealed molding room 8；It is described to be sealed to
The outside of type room 8 is provided with liquid feed device 1, and gluey reactive material 3 is loaded in liquid feed device 1, and the nozzle is fluid injector
13, which is connected to by servo-actuated conduit 4 with liquid feed device 1；In operation process, liquid feed device 1 is by the glue in it
Reactive material 3 is delivered to fluid injector 13 by servo-actuated conduit 4.
The servo-actuated conduit 4 and the joining place of liquid feed device 1 are provided with electromagnetic valve 5.
The moulding cylinder 16 is internally provided with molding base station, and molding base station drives its lifting by the screw body of its bottom.
The right side of the moulding cylinder 16 is provided with a Powder Recovery cylinder 18.
A kind of operation method based on liquid solid chemical reaction deposition comprising following steps：
Step 1：According to the shape of parts to be processed, its three-dimensional digital model is established, then saves as STL formatted files,
Slicing treatment is carried out to three-dimensional digital model using Slice Software, the thickness of every layer of slice is identical, and part is contained in slice
Section profile information imports the file after slice in mobile route planning software, obtains the mobile route number of fluid injector 13
According to；
Step 2：According to the material properties of parts to be processed, gluey reactive material 3 (catalyst) and powdered base object are configured
Matter, gluey reactive material 3, which should meet, can react with the generation chemical precipitation of powdered base substance and generate required parts to be processed
Then material requirements sets the flow of gluey reactive material 3 by electromagnetic valve 5, finally by gluey reactive material 3 and powder base
Body substance is respectively placed in the feed tank of liquid feed device 1 and in powder cylinder 14；
Step 3：The coordinate position that fluid injector 13 is adjusted by triaxial connecting system, in advance by the spray of fluid injector 13
Mouth is moved on the molding base station of moulding cylinder 16, and with molding one slice thickness of base station distance；
Step 4：Start processing operation, triaxial connecting system is planned according to the mobile route of 3D printer control system, is taken
Carrying liqs nozzle 13 is according to the mobile data path in step 1, the selective gluey reactive material 3 of injection on molding base station,
Gluey reactive material 3 is contacted with powdered base substance occurs chemical reaction deposit, completes the processing of a shape layer of part；
Step 5：After the completion of step 4, molding base station declines the height of a slice thickness, and the powder of powder cylinder 14 rises
The height of one slice, in the case where the powdering brush 12 of powder supply mechanism drives, powdered base substance is covered in the table of molded layer again
Face, forms new powdered base material layer, and gluey reactive material 3 is ejected by fluid injector 13 according to next layer of mobile route
In molded layer surface on new powdered base material layer, pass through the change of gluey reactive material 3 and new powdered base material layer
Reaction is learned, the electrodeposition substance of generation completes the processing of another shape layer of part to molded layer surface；
Step 6：Step 4 is repeated to step 5, until entire part machines.
Gluey reactive material 3 described in step 2 is liquid colloidal reactive material；Powdered base substance is powder.
The utility model compared with the existing technology, has the following advantages and effect：
It is processing method that the utility model, which will chemically react Sunk-fund effect successful conversion, it is only necessary to which existing 3D printing is increased material system
The laser system of manufacturing apparatus (selective laser melting unit) replaces with liquid feed device and with the fluid injector of its piping connection etc.
Associated components realize a kind of novel 3D printing method, by simple structure configuration molding purpose can be realized, entirely at
The spontaneous progress under chemical energy driving of the gluey reactive material that liquid feed device sprays with powdered base substance of type process, it is gluey anti-
It answers substance on the one hand can generate solution deposition matter by chemical reaction, the solid that will be generated precipitation on the other hand may be implemented
Substance is bonded together.
Without being additionally provided heat source, light source etc., other than having the characteristics that existing 3D printing technique, also there is structure letter
The features such as single, of low cost, easy to implement.
There is a phenomenon where chemical reactions to generate solid precipitation by jelly and powdered rubber for the utility model, according to required
The digital model of part, according to treated mobile route, control fluid injector constituency moves and constantly sprays gluey react
Substance occurs chemical deposition with matrix powder substance and reacts, by being superimposed with the accumulation layer by layer of existing 3D printing increasing material manufacturing equipment
Mode after to be solidified, finally realizes the molding of entire part.
The utility model can configure different combinations according to the material of required part, obtain metal, inorganic non-metallic with
And the part of the unlike materials such as SOLID ORGANIC body.
The entire forming process of the utility model is the spontaneous promotion of chemical energy by two kinds of substances, there is no need to introduce heat source,
Light source etc. has high application potential and value.
Description of the drawings
Fig. 1 is the 3D printer structural schematic diagram that the utility model is deposited based on liquid solid chemical reaction.
Fig. 2 is the operation method flow chart that the utility model is deposited based on liquid solid chemical reaction.
In figure：Liquid feed device 1；X guide rails 2；Gluey reactive material 3；Servo-actuated conduit 4；Electromagnetic valve 5；Y guide rail 6；Sliding block 7；
Sealed molding room 8；Supporting rod 9；Powdering guide rail 10；Z guide rails 11；Powdering brush 12；Fluid injector 13；Powder cylinder 14；Powder 15；At
Type cylinder 16；Molded part 17；Powder Recovery cylinder 18.
Specific implementation mode
The utility model is more specifically described in detail with reference to specific embodiment.
Embodiment
As depicted in figs. 1 and 2.The utility model discloses a kind of 3D printer based on liquid solid chemical reaction deposition, packets
Sealed molding room 8, powder cylinder 14, moulding cylinder 16, powder supply mechanism are included, and the three-shaft linkage machine being arranged in sealed molding room 8
Structure etc.；The triaxial connecting system is planned according to the mobile route of 3D printer control system, carries nozzle in sealed molding room 8
It is moved along X-axis, Y-axis or Z-direction；
The utility model with existing selective laser melting unit is obstructed points out to be, the outside of the sealed molding room 8
It is provided with liquid feed device 1, gluey reactive material 3 is loaded in liquid feed device 1, the nozzle is fluid injector 13, liquid spray
Mouth 13 is connected to by servo-actuated conduit 4 with liquid feed device 1；In operation process, liquid feed device 1 leads to the gluey reactive material 3 in it
It crosses servo-actuated conduit 4 and is delivered to fluid injector 13.
The servo-actuated conduit 4 and the joining place of liquid feed device 1 are provided with electromagnetic valve 5.
The moulding cylinder 16 is internally provided with molding base station, and molding base station drives its lifting by the screw body of its bottom.
The right side of the moulding cylinder 16 is provided with a Powder Recovery cylinder 18.
The operation method that the utility model is deposited based on liquid solid chemical reaction can be achieved by the steps of：
Step 1：According to the shape of parts to be processed, its three-dimensional (CAD) mathematical model is established, STL formats are then saved as
File carries out slicing treatment using Slice Software to three-dimensional digital model, and the thickness of every layer of slice is identical, and zero is contained in slice
The section profile information of part imports the file after slice in mobile route planning software, obtains the mobile road of fluid injector 13
Diameter data；
Step 2：According to the material properties of parts to be processed, gluey reactive material 3 (catalyst) and powdered base object are configured
Matter, gluey reactive material 3, which should meet, can react with the generation chemical precipitation of powdered base substance and generate required parts to be processed
Then material requirements sets the flow of gluey reactive material 3 by electromagnetic valve 5, finally by gluey reactive material 3 and powder base
Body substance is respectively placed in the feed tank of liquid feed device 1 and in powder cylinder 14；
Step 3：The coordinate position that fluid injector 13 is adjusted by triaxial connecting system, in advance by the spray of fluid injector 13
Mouth is moved on the molding base station of moulding cylinder 16, and with molding one slice thickness of base station distance；
Step 4：Start processing operation, triaxial connecting system is planned according to the mobile route of 3D printer control system, is taken
Carrying liqs nozzle 13 is according to the mobile data path in step 1, the selective gluey reactive material 3 of injection on molding base station,
Gluey reactive material 3 is contacted with powdered base substance occurs chemical reaction deposit, completes the processing of a shape layer of part；
Step 5：After the completion of step 4, molding base station declines the height of a slice thickness, and the powder of powder cylinder 14 rises
The height of one slice, in the case where the powdering brush 12 of powder supply mechanism drives, powdered base substance is covered in the table of molded layer again
Face, forms new powdered base material layer, and gluey reactive material 3 is ejected by fluid injector 13 according to next layer of mobile route
In molded layer surface on new powdered base material layer, pass through the change of gluey reactive material 3 and new powdered base material layer
Reaction is learned, the electrodeposition substance of generation completes the processing of another shape layer of part to molded layer surface；
Step 6：Step 4 is repeated to step 5, until entire part machines.
Gluey reactive material 3 described in step 2 is liquid colloidal reactive material, such as calcium chloride gel, barium chloride gel；
Powdered base substance is powder, such as powdered sodium carbonate, sodium sulfate powder.
The thickness being sliced described in above-mentioned steps one is asked according to the formed precision of part and is set as 0.05-0.3mm.
Gluey reactive material 3 described in above-mentioned steps two should can occur chemical precipitation with powdered base substance and react,
Solid material needed for production.
The shower nozzle caliber of fluid injector 13 can choose size in 0.1-1.0mm according to forming part required precision；Actually answer
In, different spout bores can be arranged according to different requirements in fluid injector 13, may also set up on nozzle and adjust throughput
Valve.
Molding base station is located in molding room, is used for the first layer entity of fixed-type part；Molding base station is located at moulding cylinder
Interior, molding base station moves vertically in forming process, and fluid injector 13 does plane motion.
Fluid injector 13 rises a slice thickness, and concrete numerical value need to need to select 0.05-0.3mm ranges according to molding
It is interior.
The part that the utility model is processed, can be according to reaction product that is, gluey reactive material 3 and powdered base substance
Difference is divided into inorganic non-metallic part, metal parts and organic matter part.
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 printer based on liquid solid chemical reaction deposition, including sealed molding room (8), powder cylinder (14), moulding cylinder
(16), powder supply mechanism, and triaxial connecting system of the setting in sealed molding room (8)；The triaxial connecting system is beaten according to 3D
The mobile route of print machine control system is planned, is carried nozzle and is moved along X-axis, Y-axis or Z-direction in sealed molding room (8)；
It is characterized in that：The outside of the sealed molding room (8) is provided with liquid feed device (1), is loaded in liquid feed device (1) gluey anti-
It is fluid injector (13) to answer substance (3), the nozzle, which is connected by servo-actuated conduit (4) with liquid feed device (1)
It is logical；In operation process, the gluey reactive material (3) in it is delivered to fluid injector by liquid feed device (1) by servo-actuated conduit (4)
(13)。
2. the 3D printer according to claim 1 based on liquid solid chemical reaction deposition, it is characterised in that：The servo-actuated conduit
(4) joining place of liquid feed device (1) is provided with electromagnetic valve (5).
3. the 3D printer according to claim 1 based on liquid solid chemical reaction deposition, it is characterised in that：The moulding cylinder
(16) it is internally provided with molding base station, molding base station drives its lifting by the screw body of its bottom.
4. the 3D printer according to claim 3 based on liquid solid chemical reaction deposition, it is characterised in that：The moulding cylinder
(16) a Powder Recovery cylinder (18) is provided on the right side of.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820073151.3U CN207828410U (en) | 2018-01-17 | 2018-01-17 | A kind of 3D printer based on liquid solid chemical reaction deposition |
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| CN201820073151.3U CN207828410U (en) | 2018-01-17 | 2018-01-17 | A kind of 3D printer based on liquid solid chemical reaction deposition |
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| CN207828410U true CN207828410U (en) | 2018-09-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108165961A (en) * | 2018-01-17 | 2018-06-15 | 华南理工大学 | A kind of 3D printer and its operation method based on liquid solid chemical reaction deposition |
| CN116571767A (en) * | 2023-07-14 | 2023-08-11 | 华南理工大学 | Powder bed laser melting equipment and method |
-
2018
- 2018-01-17 CN CN201820073151.3U patent/CN207828410U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108165961A (en) * | 2018-01-17 | 2018-06-15 | 华南理工大学 | A kind of 3D printer and its operation method based on liquid solid chemical reaction deposition |
| WO2019140969A1 (en) * | 2018-01-17 | 2019-07-25 | 华南理工大学 | Liquid-solid chemical reaction deposition-based 3d printer and operating method thereof |
| US11969944B2 (en) | 2018-01-17 | 2024-04-30 | South China University Of Technology | 3D printer based on liquid-solid chemical reaction deposition and operating methods thereof |
| CN116571767A (en) * | 2023-07-14 | 2023-08-11 | 华南理工大学 | Powder bed laser melting equipment and method |
| CN116571767B (en) * | 2023-07-14 | 2023-10-10 | 华南理工大学 | Powder bed laser melting equipment and method |
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