CN109094021A - A kind of 3D printing method - Google Patents
A kind of 3D printing method Download PDFInfo
- Publication number
- CN109094021A CN109094021A CN201810819061.9A CN201810819061A CN109094021A CN 109094021 A CN109094021 A CN 109094021A CN 201810819061 A CN201810819061 A CN 201810819061A CN 109094021 A CN109094021 A CN 109094021A
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- printing
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- unit
- printer
- printing case
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- 238000010146 3D printing Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000007639 printing Methods 0.000 claims abstract description 164
- 239000003610 charcoal Substances 0.000 claims abstract description 67
- 239000000463 material Substances 0.000 claims abstract description 65
- 238000010298 pulverizing process Methods 0.000 claims abstract description 47
- 239000000853 adhesive Substances 0.000 claims abstract description 36
- 230000001070 adhesive effect Effects 0.000 claims abstract description 36
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000002270 dispersing agent Substances 0.000 claims abstract description 4
- 239000002994 raw material Substances 0.000 claims description 43
- 238000003756 stirring Methods 0.000 claims description 36
- 230000005540 biological transmission Effects 0.000 claims description 33
- 230000000694 effects Effects 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000007528 sand casting Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 238000000498 ball milling Methods 0.000 claims 1
- 229910002090 carbon oxide Inorganic materials 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- BVPWJMCABCPUQY-UHFFFAOYSA-N 4-amino-5-chloro-2-methoxy-N-[1-(phenylmethyl)-4-piperidinyl]benzamide Chemical compound COC1=CC(N)=C(Cl)C=C1C(=O)NC1CCN(CC=2C=CC=CC=2)CC1 BVPWJMCABCPUQY-UHFFFAOYSA-N 0.000 abstract description 20
- 239000001569 carbon dioxide Substances 0.000 abstract description 11
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 11
- 239000000843 powder Substances 0.000 description 7
- 238000000465 moulding Methods 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 229910001141 Ductile iron Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000000116 mitigating effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 241000790917 Dioxys <bee> Species 0.000 description 1
- GCNLQHANGFOQKY-UHFFFAOYSA-N [C+4].[O-2].[O-2].[Ti+4] Chemical compound [C+4].[O-2].[O-2].[Ti+4] GCNLQHANGFOQKY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007767 bonding agent Chemical group 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/165—Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/001—Rapid manufacturing of 3D objects by additive depositing, agglomerating or laminating of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/307—Handling of material to be used in additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/307—Handling of material to be used in additive manufacturing
- B29C64/314—Preparation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/307—Handling of material to be used in additive manufacturing
- B29C64/321—Feeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/24—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
Abstract
The invention belongs to print field, specifically a kind of 3D printing method, this method comprises the following steps: preparing a charcoal stick；Charcoal stick is put into 3D printer and is handled, printing material is formed it into；Dispersing agent is added to printing material；Printing material is put back in 3D printer again, downloads 3D model in website；It is packed into 3D printing material, debugs print platform, sets print parameters, 3D printer is started to work；Wherein 3D printer includes printing case, printing case is rectangular box, it further include pulverizing unit, dosage unit, agitating unit and supply unit, charcoal stick forms charcoal stick clast after pulverizing unit crushes and enters inside printing case, again to printing case inside adhesive is added, carbon dioxide gas is passed through into printing case by gas access, adhesive and charcoal stick clast is sufficiently stirred in agitating unit, charcoal stick clast and adhesive form printing material after being sufficiently mixed, it is finally sent under the action of supply unit outside printing case, blank sheet of paper is printed.
Description
Technical field
The invention belongs to print field, specifically a kind of 3D printing method.
Background technique
3D printing technique is that the threedimensional model of CAD building design in computer is changed into multiple two-dimensional surfaces, with powder
The adhesive materials such as last shape metal or plastics form final mold elements by the layer-by-layer scanning filling of filling equipment.
Common 3D printing be typically all in the way of laser beam, hot melt nozzle etc. by powdered, liquid or Filamentous metal,
The materials such as ceramics, plastics, cell tissue are successively accumulated and are cohered, and final superposition molding produces physical product, but its
In, using the method for laser beam, printing step is comparatively laborious, and higher to printing environmental requirement, and heats the mode energy of nozzle
Consume larger, and the safety of print procedure is lower, proposes that a kind of new 3D printing method is the problem that people are thinking.
Summary of the invention
In order to make up for the deficiencies of the prior art, a kind of 3D printing method proposed by the present invention, the process employs a kind of 3D
Printer first crushes raw material charcoal stick using pulverizing unit, and the charcoal stick that then charcoal stick is formed after crushing is broken
Bits enter in agitating unit, and charcoal stick clast, adhesive and carbon dioxide are mixed agitating unit, then by defeated
It send unit that mixed feedstock transportation is gone out, is then irradiated using ultraviolet, make adhesive curing, beaten to realize
The molding of print material, printing material after molding are further used as 3D printing, and the operating procedure of method is simple, and low energy consumption, highly-safe, favorably
In the efficiency of the cost and raising 3D printing that reduce 3D printing.
The technical solution adopted by the present invention to solve the technical problems is: a kind of 3D printing method of the present invention, should
Method comprises the following steps:
Step 1: prepare a charcoal stick, for use as the raw material of printing material needed for 3D printing；
Step 2: the charcoal stick in step 1 is put into 3D printer and is handled, printing material is formed it into；
Step 3: dispersing agent is added in the printing material into step 2, to improve paper performance and printing color density and beat
The stability of print material；
Step 4: the printing material in step 3 is put back in 3D printer again, 3D model is downloaded in website, in case when printing
It uses；
Step 5: after the 3D model in step 4 is downloaded, by data line, SD card, etc. modes the mould of STL format
Type, which is sliced to obtain Gcode file, sends 3D printer to, meanwhile, it is packed into 3D printing material, debugs the print platform of 3D printer,
Print parameters are set, then 3D printer is started to work, and material can print layer by layer, between layers by special
Glue bonded, pile up by layering printing, layer by layer bonding and successively, completion 3D printing；
Wherein, 3D printer described in step 2 includes printing case, and the printing case is rectangular box, prints case
About center symmetric setting feeding inlet, feeding inlet is used to that raw material to be added to the inside of printing case at top, prints the left and right sidewall pair of case
Title opens up adhesive entrance, and adhesive entrance is used to that adhesive to be added to the inside of printing case, and the bottom for printing case opens up gas and enters
Mouthful, gas access is used to be passed through carbon dioxide gas to the inside of printing case, and the bottom centre for printing case opens up ink export, ink
Outlet is formed by the outflow of ink for raw material, further includes pulverizing unit, dosage unit, agitating unit and supply unit, institute
The top that printing case is arranged in pulverizing unit is stated, pulverizing unit is for crushing raw material；The dosage unit is arranged in pulverizing unit
Top, dosage unit be used for pulverizing unit be added printing needed for raw material charcoal stick；The agitating unit setting is printing
Inside case, agitating unit is for being stirred smashed raw material；The supply unit setting is on printing case, supply unit
For being conveyed to the raw material inside printing case.When needing to carry out print job, pass through the viscous of printing case left and right sidewall
Mixture entrance is to being added adhesive inside printing case, and by dosage unit to raw material charcoal stick, wood is added inside printing case
Carbon rod formed after pulverizing unit crushes charcoal stick clast enter printing case inside, meanwhile, by gas access to printing case
Inside is passed through carbon dioxide gas, and carbon dioxide gas can form bubble inside adhesive and raw material charcoal stick clast, have
Conducive to the weight for mitigating raw material；Adhesive and charcoal stick clast is sufficiently stirred in agitating unit, charcoal stick clast and bonding
Agent forms printing material after being sufficiently mixed, be finally sent under the action of supply unit outside printing case, print to blank sheet of paper.
The pulverizing unit includes crush box, crushes motor and pulverization roller, and the crush box is about printing case central symmetry
The outer top of printing case is set, and discharge port is arranged in crushing box bottom, and discharge port is communicated with the feeding inlet of printing box top, powder
Material mouth was arranged in the top of broken case；The crushing motor is mounted on the outer wall of crush box, and crushing motor is raw material charcoal stick
It crushes and power is provided；The pulverization roller is arranged inside crush box, and the quantity of setting pulverization roller is two inside a crush box, powder
Broken roller is connect with motor is crushed.It when work, opens and crushes motor, crush motor driven pulverization roller in crush box inner rotation, powder
Broken roller carries out rolling crushing to the charcoal stick entered inside crush box, discharging of the charcoal stick after being crushed Jing Guo crushing box bottom
The feeding inlet of mouth and printing box top enters inside printing case to be mixed well to form printing material with adhesive and carbon dioxide gas.
Tapered protrusion is uniformly arranged on the pulverization roller, the setting of tapered protrusion can reinforce the crush efficiency of pulverization roller.By
Hard and crisp in raw material charcoal stick, raised setting is convenient for the broken of charcoal stick, to be more advantageous to form solid printing
Material.
The dosage unit includes that guide pipe, push plate, telescopic rod and button, the guide pipe are connected to crush box vertically
Top；The push plate is horizontally set on the top of guide pipe, and the length of push plate is less than the diameter of guide pipe；The telescopic rod is hinged
At the both ends of push plate；The bottom for button being symmetricly set on telescopic rod.When work, raw material charcoal stick edge is led by push plate
It is pushed down on to inside pipe wall, when push plate moves to inside guide pipe, since telescopic rod is hinged on the end of push plate, telescopic rod can be taken
It, can button be mentioned telescopic rod and push plate upwards inside guide pipe again by telescopic rod bottom outside the side wall of guide pipe
Out, convenient for the progress of print job next time, and then the working efficiency of 3D printer is improved.
Stretch cord is set inside the guide pipe, and one end of stretch cord is fixed in push plate, and the other end of stretch cord is fixed
On the inner wall of guide pipe.For stretch cord for pullling charcoal stick down, the setting of stretch cord is easier raw material charcoal stick
Into inside guide pipe, and then improve the working efficiency of 3D printer.
The agitating unit includes stirring motor, agitating shaft and stirring protrusion, and the stirring motor is mounted on printing case
Exterior side wall, stirring motor, which is used to be stirred for the material entered in printing case, provides power；The agitating shaft is horizontally disposed
Inside printing case, agitating shaft is connect with stirring motor；The stirring protrusion is uniformly arranged on agitating shaft, stirs setting for protrusion
Set the mixed effect that can reinforce raw material.When work, open stirring motor, stirring motor drive agitating shaft rotation, agitating shaft and
Stirring protrusion on agitating shaft is sufficiently stirred and is mixed to the charcoal stick clast and adhesive that print inside case, to mention
The quality for the printing material that height is formed, and then improve the printing effect of 3D printer.
The supply unit includes feeder motor, transmission shaft, conveyance conduit and conveying auger, and the feeder motor is mounted on
Case outer top layer center is printed, feeder motor provides power for the feedstock transportation inside printing case；The transmission shaft is vertically arranged
Inside printing case, the diameter of both ends of the drive shaft is greater than intermediate diameter, and transmission shaft is connected with feeder motor, in transmission shaft
Groove is arranged in portion, and groove is for preventing from causing to interfere between agitating shaft；The conveyance conduit is connected to vertically outside printing case
Bottom center；The conveying auger is arranged inside conveyance conduit, and the top of conveying auger and the bottom of transmission shaft connect.Work
When, feeder motor is opened, feeder motor drives transmission shaft rotation, and transmission shaft drives conveying auger rotation, the shape inside printing case
At printing material by printing case bottom centre ink export enter conveyance conduit when, the rotation of conveying auger is past by printing material
Lower push is conducive to the outflow and collection of printing material.
It is horizontal on side wing and be uniformly arranged reinforcement about agitating shaft connection side wing symmetrical above and below on the transmission shaft
Muscle.Transmission shaft rotate when drive side wing rotation, the setting of side wing can reinforce printing case inside charcoal stick clast with
Brace, one end of brace and transmission axis connection, the other end of brace and reinforcement are arranged on side wing for the mixing of adhesive
Muscle connection, the setting of reinforcing rib and brace can improve the structural strength of side wing, and then improve the service efficiency of 3D printer
And extend the service life of 3D printer.
The conveyance conduit is integrally formed using nodular cast iron, and is made of sand casting, the thickness of pipe wall of conveyance conduit
Degree is 1-1.5 millimeters, and there is the pit formed in sand casting on the surface of conveyance conduit.This kind of molding mode is advantageously
It in the conveyance conduit for forming thin-walled, improves into flat rate, and pit can increase the structural strength of conveyance conduit, avoid delivery pipe
Road damage；Meanwhile the pit on conveying pipeline inner wall can accommodate charcoal, since charcoal has the function of lubrication,
It can avoid the abrasion between conveyance conduit and conveying auger, to improve the service life of conveyance conduit and conveying auger.
Beneficial effects of the present invention are as follows:
1. the present invention includes step 1 to step 5, step 1 belongs to the preparation of 3D printing method, and step 2 is used for
Printing material is produced, step 3 is used to improve the performance of printing material to enhance printing effect, and step 4 and step 5 are used for 3D printing,
The present invention quickly produces printing material by five steps and performance improves, and reduces the printing cost of 3D printing, improves
The print speed and printing effect of 3D printing.
2. the 3D printer used in the present invention passes through side wing, reinforcing rib and the brace connected on setting transmission shaft,
Side wing rotation is driven when transmission shaft rotates, the setting of side wing can be reinforced printing the charcoal stick clast inside case and bonding
The setting of the mixing of agent, reinforcing rib and brace can improve the structural strength of side wing, and then improve the use effect of 3D printer
Rate and the service life for extending 3D printer.
3. the 3D printer used in the present invention is used for by the stretch cord inside setting guide pipe, stretch cord by charcoal stick
It pulls down, the setting of stretch cord makes raw material charcoal stick be easier to enter inside guide pipe, and then improves the work of 3D printer
Make efficiency.
4. the 3D printer used in the present invention is by the conveying auger inside setting conveyance conduit, the shape inside printing case
At printing material by printing case bottom centre ink export enter conveyance conduit when, the rotation of conveying auger is past by printing material
Lower push is conducive to the outflow and collection of printing material, and then improves the working efficiency of 3D printer.
Detailed description of the invention
Fig. 1 is flow chart of the method for the present invention；
Fig. 2 is the structural schematic diagram of 3D printer；
Fig. 3 is the schematic cross-section of pulverization roller；
In figure: printing case 1, feeding inlet 11, adhesive entrance 12, gas access 13, ink export 14, pulverizing unit 2, powder
Broken case 21, crush motor 22, pulverization roller 23, tapered protrusion 231, dosage unit 3, guide pipe 31, push plate 32, telescopic rod 33,
Button 34, agitating unit 4, stirring motor 41, agitating shaft 42, stirring protrusion 43, supply unit 5, feeder motor 51, passes stretch cord 6
Moving axis 52, conveyance conduit 53, conveying auger 54, side wing 7, reinforcing rib 71, brace 8.
Specific embodiment
It is carried out using 3D printing method of Fig. 1-Fig. 3 to an embodiment of the present invention as described below.
As depicted in figs. 1 and 2, a kind of 3D printing method of the present invention, the minishing method comprise the following steps:
Step 1: prepare a charcoal stick, for use as the raw material of printing material needed for 3D printing；
Step 2: the charcoal stick in step 1 is put into 3D printer and is handled, printing material is formed it into；
Step 3: dispersing agent is added in the printing material into step 2, to improve paper performance and printing color density and beat
The stability of print material；
Step 4: the printing material in step 3 is put back in 3D printer again, 3D model is downloaded in website, in case when printing
It uses；
Step 5: after the 3D model in step 4 is downloaded, by data line, SD card, etc. modes the mould of STL format
Type, which is sliced to obtain Gcode file, sends 3D printer to, meanwhile, it is packed into 3D printing material, debugs the print platform of 3D printer,
Print parameters are set, then 3D printer is started to work, and material can print layer by layer, between layers by special
Glue bonded, pile up by layering printing, layer by layer bonding and successively, completion 3D printing；
Wherein, the 3D printer in step 2 includes printing case 1, and the printing case 1 is rectangular box, printing case 1
About center symmetric setting feeding inlet 11, feeding inlet 11 is used to that raw material to be added to the inside of printing case 1 at top, prints the left and right of case 1
Sidewall symmetry opens up adhesive entrance 12, and adhesive entrance 12 is used to that adhesive to be added to the inside of printing case 1, prints the bottom of case 1
Portion opens up gas access 13, and gas access 13 is used to be passed through carbon dioxide gas to the inside of printing case 1, in the bottom for printing case 1
The heart opens up ink export 14, and ink export 14 is formed by the outflow of ink for raw material, further includes pulverizing unit 2, charging list
The top of printing case 1 is arranged in member 3, agitating unit 4 and supply unit 5, the pulverizing unit 2, and pulverizing unit 2 is for crushing original
Material；The top of pulverizing unit 2 is arranged in the dosage unit 3, needed for dosage unit 3 is used to that printing to be added to pulverizing unit 2
Raw material charcoal stick；The setting of agitating unit 4 is inside printing case 1, and agitating unit 4 is for stirring smashed raw material
It mixes；On printing case 1, supply unit 5 is used to convey the raw material inside printing case 1 for the setting of supply unit 5.When
When needing to carry out print job, by print 1 left and right sidewall of case adhesive entrance 12 to printing case 1 inside adhesive is added,
And by dosage unit 3 to addition raw material charcoal stick inside printing case 1, charcoal stick forms wood after the crushing of pulverizing unit 2
Carbon rod clast enter printing case 1 inside, meanwhile, by gas access 13 to printing case 1 inside be passed through carbon dioxide gas, dioxy
Bubble can be formed inside adhesive and raw material charcoal stick clast by changing carbon gas, be conducive to the weight for mitigating raw material；Stirring is single
First 4 pairs of adhesives and charcoal stick clast are sufficiently stirred, and charcoal stick clast forms printing material after being sufficiently mixed with adhesive, most
It is sent under the action of supply unit 5 outside printing case 1 afterwards, blank sheet of paper is printed.
As shown in Fig. 2, the pulverizing unit 2 includes crush box 21, crushes motor 22 and pulverization roller 23, the crush box 21
About printing 1 center symmetric setting of case in the outer top of printing case 1,21 bottom of crush box is arranged discharge port, discharge port and beats
The feeding inlet 11 at 1 top of print case communicates, and material mouth was arranged in the top of crush box 21；The crushing motor 22 is mounted on crush box 21
Outer wall on, crush motor 22 and for the crushing of raw material charcoal stick provide power；The pulverization roller 23 is arranged inside crush box 21,
The quantity that pulverization roller 23 is arranged inside one crush box 21 is two, and pulverization roller 23 is connect with motor 22 is crushed.When work, powder is opened
Broken motor 22 crushes motor 22 and drives pulverization roller 23 in 21 inner rotation of crush box, and 23 pairs of pulverization roller enter inside crush box 21
Charcoal stick carry out rolling crushing, discharge port and printing case 1 top of the charcoal stick after being crushed by 21 bottom of crush box
Feeding inlet 11 enters 1 inside of printing case and mixes well to form printing material with adhesive and carbon dioxide gas.
As shown in figure 3, being uniformly arranged tapered protrusion 231 on the pulverization roller 23, the setting of tapered protrusion 231 can reinforce powder
The crush efficiency of broken roller 23.Since raw material charcoal stick is hard and crisp, raised setting is convenient for the broken of charcoal stick, to realize
The refinement of charcoal stick, and then be conducive to the product of printing fining.
As shown in Fig. 2, the dosage unit 3 includes guide pipe 31, push plate 32, telescopic rod 33 and button 34, the guiding
Pipe 31 is connected to the top of crush box 21 vertically；The push plate 32 is horizontally set on the top of guide pipe 31, the length of push plate 32
Less than the diameter of guide pipe 31；The telescopic rod 33 is hinged on the both ends of push plate 32；It is described that button 34 is symmetricly set on telescopic rod
33 bottom.When work, raw material charcoal stick is pushed down on along 31 inner wall of guide pipe by push plate 32, is led when push plate 32 moves to
When to 31 inside of pipe, since telescopic rod 33 is hinged on the end of push plate 32, telescopic rod 33 can be ridden over outside the side wall of guide pipe 31,
Button 34 can be proposed upwards telescopic rod 33 and push plate 32 from 31 inside of guide pipe again by 33 bottom of telescopic rod, under being convenient for
The progress of print job, and then improve the working efficiency of 3D printer.
As shown in Fig. 2, stretch cord 6 is arranged inside the guide pipe 31, one end of stretch cord 6 is fixed in push plate 32, bullet
The other end of power rope 6 is fixed on the inner wall of guide pipe 31.Stretch cord 6 for pullling charcoal stick down, the setting of stretch cord 6
Make raw material charcoal stick be easier to enter inside guide pipe 31, and then improves the working efficiency of 3D printer.
As shown in Fig. 2, the agitating unit 4 includes stirring motor 41, agitating shaft 42 and stirring protrusion 43, the stirring electricity
Machine 41 be mounted on printing case 1 exterior side wall, stirring motor 41 be used for for enter printing case 1 in material be stirred provide it is dynamic
Power；The agitating shaft 42 is horizontally set on inside printing case 1, and agitating shaft 42 is connect with stirring motor 41；The stirring protrusion 43
It is uniformly arranged on agitating shaft 42, the setting of stirring protrusion 43 can reinforce the mixed effect of raw material.When work, stirring motor is opened
41, stirring motor 41 drives agitating shaft 42 to rotate, inside the raised 43 pairs of printing casees 1 of the stirring on agitating shaft 42 and agitating shaft 42
Charcoal stick clast and adhesive be sufficiently stirred and mixed, to improve the quality of the printing material of formation, and then improve
The printing effect of 3D printer.
As shown in Fig. 2, the supply unit 5 includes feeder motor 51, transmission shaft 52, conveyance conduit 53 and conveying auger
54, the feeder motor 51 is mounted on printing 1 outer top layer center of case, and feeder motor 51 is the feedstock transportation printed inside case 1
Power is provided；The transmission shaft 52 is vertically arranged in inside printing case 1, and the diameter at 52 both ends of transmission shaft is greater than intermediate diameter,
Transmission shaft 52 is connected with feeder motor 51, and groove is arranged in the middle part of transmission shaft 52, and groove is for preventing between agitating shaft 42
It causes to interfere；The conveyance conduit 53 is connected to printing 1 outer bottom layer center of case vertically；The setting of conveying auger 54 is conveying
Inside pipeline 53, the top of conveying auger 54 is connect with the bottom of transmission shaft 52.When work, feeder motor 51, conveying electricity are opened
Machine 51 drives transmission shaft 52 to rotate, and transmission shaft 52 drives conveying auger 54 to rotate, and the printing material formed inside printing case 1 is passed through
When the ink export 14 of printing 1 bottom centre of case enters conveyance conduit 53, the rotation of conveying auger 54 pushes printing material down,
Be conducive to the outflow and collection of printing material.
As shown in Fig. 2, about the connection side wing 7 symmetrical above and below of agitating shaft 42 on the transmission shaft 52, it is horizontal on side wing 7
And it is uniformly arranged reinforcing rib 71.Side wing 7 is driven to rotate when transmission shaft 52 rotates, the setting of side wing 7 can be reinforced printing
Brace 8, one end of brace 8 and transmission shaft are arranged on side wing 7 for the mixing of charcoal stick clast and adhesive inside case 1
52 connections, the other end of brace 8 are connect with reinforcing rib 71, and the setting of reinforcing rib 71 and brace 8 can improve the knot of side wing 7
Structure intensity, and then improve the service efficiency of 3D printer and extend the service life of 3D printer.
The conveyance conduit 53 is integrally formed using nodular cast iron, and is made of sand casting, the pipe of conveyance conduit 53
Wall thickness is 1-1.5 millimeters, and there is the pit formed in sand casting on the surface of conveyance conduit 53.This kind of molding mode is more
Add the conveyance conduit 53 for advantageously forming thin-walled, improve into flat rate, and pit can increase the structural strength of conveyance conduit 53,
Conveyance conduit 53 is avoided to damage；Meanwhile the pit on 53 inner wall of conveyance conduit can accommodate charcoal, since charcoal has profit
Sliding effect, therefore can avoid the abrasion between conveyance conduit 53 and conveying auger 54, to improve conveyance conduit 53 and conveying
The service life of auger 54.
In use, by printing 1 left and right sidewall of case adhesive entrance 12 to printing case 1 inside adhesive is added, and
By guide pipe 31 to addition raw material charcoal stick inside printing case 1, push plate 32 is pushed, by raw material charcoal stick along guide pipe 31
Wall is pushed down to inside crush box 21.
Open and crush motor 22, crush motor 22 and drive pulverization roller 23 in 21 inner rotation of crush box, pulverization roller 23 into
Enter the charcoal stick inside crush box 21 to carry out rolling crushing, meanwhile, by gas access 13 to printing case 1 inside be passed through titanium dioxide
Carbon gas, carbon dioxide gas can form bubble inside adhesive and raw material charcoal stick clast, be conducive to mitigate raw material
Weight；Charcoal stick after pulverized forms charcoal stick clast by the discharge port of 21 bottom of crush box and prints entering for 1 top of case
Material mouth 11 enters 1 inside of printing case and mixes well to form printing material with adhesive and carbon dioxide gas.
After charcoal stick clast enters printing 1 inside of case, stirring motor 41 is opened, stirring motor 41 drives 42 turns of agitating shaft
Dynamic, 43 pairs of charcoal stick clasts printed inside casees 1 of stirring protrusion and adhesive on agitating shaft 42 and agitating shaft 42 fill
Divide stirring and mix, to improve the quality of the printing material of formation, and then improves the printing effect of 3D printer.
After printing material is formed, feeder motor 51 is opened, feeder motor 51 drives transmission shaft 52 to rotate, and transmission shaft 52 drives defeated
Auger 54 is sent to rotate, when printing material enters conveyance conduit 53 by the ink export 14 of printing 1 bottom centre of case, conveying auger
54 rotation pushes printing material down, is conducive to the outflow and collection of printing material.
The printing material gathered is irradiated using ultraviolet, makes adhesive curing, to be conducive to printing material
Molding.
Industrial applicibility
According to the present invention, this method can generate printing material using charcoal stick, and the printing material formed is homogeneous, printing material
It is used again as printing, so that the method is useful in printing field.
Claims (9)
1. a kind of 3D printing method, it is characterised in that: this method comprises the following steps:
Step 1: prepare a charcoal stick；
Step 2: the charcoal stick in step 1 is put into 3D printer and carries out processing formation printing material；
Step 3: dispersing agent is added in the printing material into step 2；
Step 4: the printing material in step 3 is put back in 3D printer again, downloads 3D model in website；
Step 5: after the 3D model in step 4 is downloaded, by data line, SD card, etc. modes the model of STL format is cut
Piece obtains Gcode file and sends 3D printer to, meanwhile, it is packed into 3D printing material, debugs the print platform of 3D printer, is set
Print parameters, then 3D printer is started to work；
Wherein, 3D printer described in step 2 includes printing case (1), and the printing case (1) is rectangular box, prints case
(1) about center symmetric setting feeding inlet (11), feeding inlet (11) is used to that raw material to be added to the inside of printing case (1) at top, beats
The left and right sidewall of print case (1) symmetrically opens up adhesive entrance (12), and adhesive entrance (12) is used to the inside of printing case (1) be added
The bottom of adhesive, printing case (1) opens up gas access (13), and gas access (13) are used to be passed through two to the inside of printing case (1)
The bottom centre of carbon oxide gas, printing case (1) opens up ink export (14), and ink export (14) is formed by oil for raw material
The outflow of ink, it is characterised in that: further include pulverizing unit (2), dosage unit (3), agitating unit (4) and supply unit (5), institute
The top that printing case is arranged in pulverizing unit (2) is stated, pulverizing unit (2) is for crushing raw material；Dosage unit (3) setting exists
The top of pulverizing unit (2), raw material charcoal stick needed for dosage unit (3) is used to that printing to be added to pulverizing unit (2)；It is described to stir
It is internal in printing case (1) to mix unit (4) setting, agitating unit (4) is used to be stirred smashed raw material；The conveying is single
In printing case (1), supply unit (5) is used for the raw material internal to printing case (1) and conveys for first (5) setting.
2. a kind of 3D printing method according to claim 1, it is characterised in that: the pulverizing unit (2) includes crush box
(21), motor (22) and pulverization roller (23) are crushed, the crush box (21) is about printing case (1) center symmetric setting in printing case
(1) discharge port is arranged in outer top, crush box (21) bottom, and discharge port is communicated with the feeding inlet (11) at the top of printing case (1),
Material mouth was arranged in the top of crush box (21)；The crushing motor (22) is mounted on the outer wall of crush box (21), crushes motor
(22) crushing for raw material charcoal stick provides power；Pulverization roller (23) setting is internal in crush box (21), a crush box
(21) quantity of internal setting pulverization roller (23) is two, and pulverization roller (23) is connect with motor (22) are crushed.
3. a kind of 3D printing method according to claim 2, it is characterised in that: be uniformly arranged cone on the pulverization roller (23)
Shape protrusion (231), the setting of tapered protrusion (231) can reinforce the crush efficiency of pulverization roller (23).
4. a kind of 3D printing method according to claim 1, it is characterised in that: the dosage unit (3) includes guide pipe
(31), push plate (32), telescopic rod (33) and button (34), the guide pipe (31) are connected to the top of crush box (21) vertically；
The push plate (32) is horizontally set on the top of guide pipe (31), and the length of push plate (32) is less than the diameter of guide pipe (31)；Institute
State the both ends that telescopic rod (33) is hinged on push plate (32)；The bottom for button (34) being symmetricly set on telescopic rod (33).
5. a kind of 3D printing method according to claim 4, it is characterised in that: elastic force is arranged inside the guide pipe (31)
It restricts (6), one end of stretch cord (6) is fixed on push plate (32), and the other end of stretch cord (6) is fixed on the inner wall of guide pipe (31)
On.
6. a kind of 3D printing method according to claim 1, it is characterised in that: the agitating unit (4) includes stirring electricity
Machine (41), agitating shaft (42) and stirring are raised (43), and the stirring motor (41) is mounted on the exterior side wall of printing case (1), stir
Mix motor (41) for for enter print case (1) in material offer power is provided；The agitating shaft (42) is horizontally disposed
Internal in printing case (1), agitating shaft (42) is connect with stirring motor (41)；The stirring raised (43) is uniformly arranged on agitating shaft
(42) on, the setting for stirring raised (43) can reinforce the mixed effect of raw material.
7. a kind of 3D printing method according to claim 1, it is characterised in that: the supply unit (5) includes conveying electricity
Machine (51), transmission shaft (52), conveyance conduit (53) and conveying auger (54), the feeder motor (51) are mounted on printing case (1)
Outer top layer center, feeder motor (51) provide power for the internal feedstock transportation of printing case (1)；The transmission shaft (52) is vertical
Setting is internal in printing case (1), and the diameter at transmission shaft (52) both ends is greater than intermediate diameter, transmission shaft (52) and feeder motor
(51) it is connected, groove is arranged in the middle part of transmission shaft (52), and groove is for preventing from causing to interfere between agitating shaft (42)；It is described
Conveyance conduit (53) is connected to printing case (1) outer bottom layer center vertically；The conveying auger (54) is arranged in conveyance conduit
(53) internal, the top of conveying auger (54) is connect with the bottom of transmission shaft (52).
8. a kind of 3D printing method according to claim 7, it is characterised in that: about agitating shaft on the transmission shaft (52)
(42) connection side wing (7) symmetrical above and below, horizontal on side wing (7) and be uniformly arranged reinforcing rib (71), side wing is arranged on (7)
One end of brace (8), brace (8) is connect with transmission shaft (52), and the other end of brace (8) is connect with reinforcing rib (71).
9. a kind of 3D printing method according to claim 7, it is characterised in that: the conveyance conduit (53) is cast using ball milling
Iron is integrally formed, and is made of sand casting, and the pipe thickness of conveyance conduit (53) is 1-1.5 millimeters, and conveyance conduit
(53) there is the pit formed in sand casting on surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810819061.9A CN109094021B (en) | 2018-07-24 | 2018-07-24 | 3D printing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810819061.9A CN109094021B (en) | 2018-07-24 | 2018-07-24 | 3D printing method |
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