CN109094021B - 3D printing method - Google Patents
3D printing method Download PDFInfo
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- CN109094021B CN109094021B CN201810819061.9A CN201810819061A CN109094021B CN 109094021 B CN109094021 B CN 109094021B CN 201810819061 A CN201810819061 A CN 201810819061A CN 109094021 B CN109094021 B CN 109094021B
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000010146 3D printing Methods 0.000 title claims abstract description 28
- 238000007639 printing Methods 0.000 claims abstract description 174
- 238000003756 stirring Methods 0.000 claims abstract description 72
- 239000003610 charcoal Substances 0.000 claims abstract description 70
- 239000000463 material Substances 0.000 claims abstract description 67
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000002156 mixing Methods 0.000 claims abstract description 23
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 12
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 claims abstract description 8
- 239000002270 dispersing agent Substances 0.000 claims abstract description 4
- 238000011068 loading method Methods 0.000 claims abstract description 4
- 239000002994 raw material Substances 0.000 claims description 41
- 230000005540 biological transmission Effects 0.000 claims description 39
- 239000000853 adhesive Substances 0.000 claims description 24
- 230000001070 adhesive effect Effects 0.000 claims description 24
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 238000007528 sand casting Methods 0.000 claims description 6
- 229910001018 Cast iron Inorganic materials 0.000 claims description 3
- 238000000498 ball milling Methods 0.000 claims description 3
- 239000011230 binding agent Substances 0.000 abstract description 11
- 238000010298 pulverizing process Methods 0.000 description 11
- 238000000227 grinding Methods 0.000 description 10
- 239000012634 fragment Substances 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- 239000007767 bonding agent Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000012255 powdered metal Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
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Classifications
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- 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
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- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (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 the field of printing, and particularly relates to a 3D printing method, which comprises the following steps: preparing a charcoal rod; putting the charcoal rod into a 3D printer for processing to form a printing material; adding a dispersant to the printing material; putting the printing material back into the 3D printer, and downloading the 3D model at the website; loading a 3D printing material, debugging a printing platform, setting printing parameters, and starting the 3D printer to work; wherein the 3D printer includes the print box, the print box is the rectangle box, still including smashing the unit, feeding unit, stirring unit and conveying unit, the charcoal stick forms the charcoal stick piece after smashing the unit and gets into inside the print box, add the binder to print box inside again, let in carbon dioxide gas in to the print box through gas inlet, stirring unit is to binder and the abundant stirring of charcoal stick piece, form the printing material behind charcoal stick piece and the binder intensive mixing, at last the print box outside is sent out under conveying unit's effect, print to the blank.
Description
Technical Field
The invention belongs to the field of printing, and particularly relates to a 3D printing method.
Background
The 3D printing technology is that a three-dimensional model constructed and designed by CAD in a computer is converted into a plurality of two-dimensional planes, and the final model part is formed by applying adhesive materials such as powdered metal or plastic and the like and scanning and filling layer by layer through filling equipment.
In general, materials such as powder, liquid or filiform metal, ceramic, plastic, cell tissue and the like are generally stacked and bonded layer by using laser beams, hot melting nozzles and the like, and finally overlapped and molded to manufacture a solid product, but the laser beam method is complicated in printing steps and has high requirements on printing environment, the hot melting nozzle method has high energy consumption and low safety in the printing process, and a new 3D printing method is provided.
Disclosure of Invention
In order to make up for the defects of the prior art, the 3D printing method provided by the invention adopts a 3D printer, firstly, a smashing unit is adopted to smash a charcoal rod serving as a raw material, then charcoal rod fragments formed after the charcoal rod is smashed enter a stirring unit, the stirring unit is used for mixing and stirring the charcoal rod fragments, a binder and carbon dioxide, then the mixed raw material is conveyed out through a conveying unit, then ultraviolet light is utilized for irradiation, the binder is solidified, so that the forming of a printing material is realized, and the formed printing material is reused for 3D printing.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a 3D printing method, which comprises the following steps:
the method comprises the following steps: preparing a charcoal rod to be used as a raw material of a printing material required for 3D printing;
step two: putting the charcoal rod in the step one into a 3D printer for processing to form a printing material;
step three: adding a dispersing agent into the printing material in the second step to improve the paper performance, the printing color density and the stability of the printing material;
step four: putting the printing material obtained in the third step back into the 3D printer, and downloading the 3D model at a website for use in printing;
step five: after the 3D model in the fourth step is downloaded, slicing the model in the STL format to obtain a Gcode file and transmitting the Gcode file to a 3D printer in a data line mode, an SD card mode and the like, meanwhile, loading a 3D printing material, debugging a printing platform of the 3D printer, setting printing parameters, starting the 3D printer to work, printing the material layer by layer, bonding the layers by special glue, and completing 3D printing through layered printing, layer by layer bonding and layer by layer stacking;
the 3D printer in the second step comprises a printing box, wherein the printing box is a rectangular box body, the top of the printing box is symmetrically provided with a feeding port about the center, the feeding port is used for adding raw materials into the printing box, the left side wall and the right side wall of the printing box are symmetrically provided with adhesive inlets, the adhesive inlets are used for adding adhesives into the printing box, the bottom of the printing box is provided with a gas inlet, the gas inlet is used for introducing carbon dioxide gas into the printing box, the center of the bottom of the printing box is provided with an ink outlet, and the ink outlet is used for flowing out of ink formed by the raw materials; the feeding unit is arranged above the crushing unit and is used for feeding raw material charcoal rods required by printing to the crushing unit; the stirring unit is arranged in the printing box and is used for stirring the crushed raw materials; the conveying unit is arranged on the printing box and used for conveying raw materials in the printing box. When printing work is required, adding a binder into the printing box through binder inlets on the left side wall and the right side wall of the printing box, adding a raw material charcoal rod into the printing box through a feeding unit, crushing the charcoal rod by a crushing unit to form charcoal rod fragments, and feeding the charcoal rod fragments into the printing box; the stirring unit fully stirs the adhesive and the charcoal rod scraps, the charcoal rod scraps and the adhesive are fully mixed to form a printing material, and finally the printing material is sent out of the printing box under the action of the conveying unit to print the white paper.
The crushing unit comprises a crushing box, a crushing motor and crushing rollers, the crushing box is symmetrically arranged at the top of the outer layer of the printing box relative to the center of the printing box, a discharge port is formed in the bottom of the crushing box and communicated with a feeding port in the top of the printing box, and a material passing port is formed in the top of the crushing box; the crushing motor is arranged on the outer wall of the crushing box and provides power for crushing the raw material charcoal rods; the crushing roller sets up inside smashing the incasement portion, and the inside quantity that sets up crushing roller of smashing the incasement portion is two, and crushing roller is connected with crushing motor. The during operation opens crushing motor, and crushing motor drive smashes the roller and rotates crushing incasement portion, smashes the roller and rolls the smashing to the charcoal stick that gets into crushing incasement portion, and the charcoal stick after smashing gets into print incasement portion and binder and the abundant mixing of carbon dioxide gas and forms the printing material through the discharge gate of smashing the bottom of the case portion and the pan feeding mouth at print incasement portion.
The crushing roller is uniformly provided with conical bulges, and the crushing efficiency of the crushing roller can be enhanced by the arrangement of the conical bulges. As the charcoal stick as the raw material is hard and crisp, the charcoal stick can be broken conveniently due to the convex arrangement, thereby being more beneficial to forming solid printing materials.
The feeding unit comprises a guide pipe, a push plate, a telescopic rod and a handle buckle, and the guide pipe is vertically connected to the top of the crushing box; the push plate is horizontally arranged above the guide pipe, and the length of the push plate is smaller than the diameter of the guide pipe; the telescopic rod is hinged at two ends of the push plate; the handle buckles are symmetrically arranged at the bottom of the telescopic rod. During operation, push down raw and other materials charcoal stick along the stand pipe inner wall through the push pedal, when the push pedal moved to the stand pipe inside, because the telescopic link articulates the tip at the push pedal, the telescopic link can be taken outside the lateral wall of stand pipe, accessible telescopic link bottom buckle with telescopic link and push pedal follow the inside upwards proposition of stand pipe again, be convenient for next go on of printing work, and then improve the work efficiency of 3D printer.
The inside elastic rope that sets up of stand, the one end of elastic rope is fixed on the push pedal, and the other end of elastic rope is fixed on the inner wall of stand. The stretch cord is used for down dragging the charcoal stick, and the setting up of stretch cord makes raw and other materials charcoal stick get into the stand pipe more easily inside, and then improves the work efficiency of 3D printer.
The stirring unit comprises a stirring motor, a stirring shaft and a stirring bulge, the stirring motor is arranged on the outer side wall of the printing box, and the stirring motor is used for providing power for stirring the materials entering the printing box; the stirring shaft is horizontally arranged in the printing box and is connected with the stirring motor; the stirring protrusions are uniformly arranged on the stirring shaft, and the mixing effect of the raw materials can be enhanced due to the arrangement of the stirring protrusions. During operation, open agitator motor, agitator motor drive (mixing) shaft rotates, and the stirring arch of (mixing) shaft and stirring is carried out intensive mixing and mixing to the inside charcoal stick piece of printing box and adhesive to improve the quality of the printing material of formation, and then improve the printing effect of 3D printer.
The conveying unit comprises a conveying motor, a transmission shaft, a conveying pipeline and a conveying auger, the conveying motor is arranged in the center of the top layer outside the printing box, and the conveying motor provides power for conveying raw materials inside the printing box; the transmission shaft is vertically arranged in the printing box, the diameters of two ends of the transmission shaft are larger than the diameter of the middle of the transmission shaft, the transmission shaft is connected with the conveying motor, a groove is formed in the middle of the transmission shaft, and the groove is used for preventing interference with the stirring shaft; the conveying pipeline is vertically connected to the center of the bottom layer outside the printing box; the conveying auger is arranged inside the conveying pipeline, and the top of the conveying auger is connected with the bottom of the transmission shaft. During operation, the conveying motor is started, the conveying motor drives the transmission shaft to rotate, the transmission shaft drives the conveying auger to rotate, and when printing materials formed inside the printing box enter the conveying pipeline through the printing ink outlet at the center of the bottom of the printing box, the printing materials are pushed downwards by the rotation of the conveying auger, so that the outflow and the collection of the printing materials are facilitated.
The transmission shaft is connected with side wing plates in an up-down symmetrical manner relative to the stirring shaft, and the side wing plates are horizontally and uniformly provided with reinforcing ribs. Drive the flank board when the transmission shaft rotates and rotate, the setting of flank board can strengthen the mixing of the inside charcoal stick piece of print box and adhesive, sets up oblique pull rod on the flank board, and the one end and the transmission shaft of oblique pull rod are connected, and the other end and the strengthening rib of oblique pull rod are connected, and the strengthening rib can improve the structural strength of flank board with setting up of oblique pull rod, and then improves the availability factor of 3D printer and prolongs the life of 3D printer.
The conveying pipeline is integrally formed by ball-milling cast iron and is manufactured by sand casting, the thickness of the pipe wall of the conveying pipeline is 1-1.5 mm, and pits formed in the sand casting process are formed in the surface of the conveying pipeline. The forming mode is more beneficial to forming a thin-wall conveying pipeline, the yield is improved, and the pits can increase the structural strength of the conveying pipeline and avoid the damage of the conveying pipeline; meanwhile, the pits on the inner wall of the conveying pipeline can contain charcoal, and the charcoal has a lubricating effect, so that abrasion between the conveying pipeline and the conveying auger can be avoided, and the service life of the conveying pipeline and the conveying auger is prolonged.
The invention has the following beneficial effects:
1. the method comprises the steps of I, II, III, IV and V, wherein the step I belongs to preparation work of a 3D printing method, the step II is used for preparing the printing material, the step III is used for improving the performance of the printing material to enhance the printing effect, and the step IV and the step V are used for 3D printing.
2. According to the 3D printer, the side wing plates, the reinforcing ribs and the inclined pull rods are connected to the transmission shaft, the transmission shaft drives the side wing plates to rotate when rotating, the side wing plates can enhance the mixing of charcoal rod fragments and adhesives inside the printing box, and the reinforcing ribs and the inclined pull rods can improve the structural strength of the side wing plates, so that the service efficiency of the 3D printer is improved, and the service life of the 3D printer is prolonged.
3. According to the 3D printer, the elastic rope is arranged in the guide pipe and used for pulling the charcoal rod downwards, and the raw material charcoal rod can easily enter the guide pipe due to the arrangement of the elastic rope, so that the working efficiency of the 3D printer is improved.
4. According to the 3D printer, the conveying auger is arranged in the conveying pipeline, so that when printing materials formed in the printing box enter the conveying pipeline through the printing ink outlet in the center of the bottom of the printing box, the printing materials are pushed downwards by the rotation of the conveying auger, the outflow and collection of the printing materials are facilitated, and the working efficiency of the 3D printer is improved.
Drawings
FIG. 1 is a flow chart of a method of the present invention;
FIG. 2 is a schematic diagram of the structure of the 3D printer;
FIG. 3 is a schematic cross-sectional view of a pulverizing roller;
in the figure: printing box 1, material inlet 11, adhesive inlet 12, gas inlet 13, ink outlet 14, crushing unit 2, crushing box 21, crushing motor 22, crushing roller 23, conical protrusion 231, feeding unit 3, guide pipe 31, push plate 32, telescopic rod 33, buckle 34, elastic rope 6, stirring unit 4, stirring motor 41, stirring shaft 42, stirring protrusion 43, conveying unit 5, conveying motor 51, transmission shaft 52, conveying pipeline 53, conveying auger 54, side wing plate 7, reinforcing rib 71 and diagonal draw bar 8.
Detailed Description
A 3D printing method according to an embodiment of the present invention will be described below with reference to fig. 1 to 3.
As shown in fig. 1 and fig. 2, the 3D printing method according to the present invention includes the following steps:
the method comprises the following steps: preparing a charcoal rod to be used as a raw material of a printing material required for 3D printing;
step two: putting the charcoal rod in the step one into a 3D printer for processing to form a printing material;
step three: adding a dispersing agent into the printing material in the second step to improve the paper performance, the printing color density and the stability of the printing material;
step four: putting the printing material obtained in the third step back into the 3D printer, and downloading the 3D model at a website for use in printing;
step five: after the 3D model in the fourth step is downloaded, slicing the model in the STL format to obtain a Gcode file and transmitting the Gcode file to a 3D printer in a data line mode, an SD card mode and the like, meanwhile, loading a 3D printing material, debugging a printing platform of the 3D printer, setting printing parameters, starting the 3D printer to work, printing the material layer by layer, bonding the layers by special glue, and completing 3D printing through layered printing, layer by layer bonding and layer by layer stacking;
the 3D printer in the second step comprises a printing box 1, wherein the printing box 1 is a rectangular box body, the top of the printing box 1 is symmetrically provided with a feeding port 11 about the center, the feeding port 11 is used for adding raw materials into the printing box 1, the left side wall and the right side wall of the printing box 1 are symmetrically provided with an adhesive inlet 12, the adhesive inlet 12 is used for adding adhesive into the printing box 1, the bottom of the printing box 1 is provided with a gas inlet 13, the gas inlet 13 is used for introducing carbon dioxide gas into the printing box 1, the center of the bottom of the printing box 1 is provided with an ink outlet 14, the ink outlet 14 is used for flowing out of ink formed by the raw materials, the 3D printer further comprises a crushing unit 2, a feeding unit 3, a stirring unit 4 and a conveying unit 5, the crushing unit 2 is arranged at the top of the printing box 1, and the; the feeding unit 3 is arranged above the crushing unit 2, and the feeding unit 3 is used for feeding raw material charcoal rods required by printing to the crushing unit 2; the stirring unit 4 is arranged inside the printing box 1, and the stirring unit 4 is used for stirring the crushed raw materials; the conveying unit 5 is disposed on the printing box 1, and the conveying unit 5 is used for conveying raw materials inside the printing box 1. When printing work is required, adding a bonding agent into the printing box 1 through bonding agent inlets 12 on the left side wall and the right side wall of the printing box 1, adding a raw material charcoal rod into the printing box 1 through a feeding unit 3, crushing the charcoal rod through a crushing unit 2 to form charcoal rod fragments, entering the printing box 1, introducing carbon dioxide gas into the printing box 1 through a gas inlet 13, wherein the carbon dioxide gas can form bubbles in the bonding agent and the raw material charcoal rod fragments, and the weight of the raw material is favorably reduced; the stirring unit 4 fully stirs the adhesive and the charcoal rod scraps, the charcoal rod scraps and the adhesive are fully mixed to form a printing material, and finally the printing material is sent out of the printing box 1 under the action of the conveying unit 5 to print the white paper.
As shown in fig. 2, the pulverizing unit 2 includes a pulverizing box 21, a pulverizing motor 22 and a pulverizing roller 23, the pulverizing box 21 is arranged at the top of the outer layer of the printing box 1 in a central symmetry manner about the printing box 1, the bottom of the pulverizing box 21 is provided with a discharge hole, the discharge hole is communicated with a feed inlet 11 at the top of the printing box 1, and the top of the pulverizing box 21 is provided with a feed through hole; the grinding motor 22 is arranged on the outer wall of the grinding box 21, and the grinding motor 22 provides power for grinding the raw material charcoal rods; the crushing rollers 23 are arranged inside the crushing boxes 21, the number of the crushing rollers 23 arranged inside one crushing box 21 is two, and the crushing rollers 23 are connected with the crushing motor 22. During operation, open crushing motor 22, crushing motor 22 drive crushing roller 23 is at the inside rotation of crushing case 21, and crushing roller 23 rolls the charcoal stick that gets into crushing case 21 inside and smashes, and the charcoal stick after being smashed gets into inside the printing box 1 and the abundant mixing of binder and carbon dioxide gas formation printing material of printing box 1 through the discharge gate of crushing case 21 bottom and pan feeding mouth 11 at printing box 1 top.
As shown in fig. 3, the pulverizing rollers 23 are uniformly provided with conical protrusions 231, and the arrangement of the conical protrusions 231 can enhance the pulverizing efficiency of the pulverizing rollers 23. Because the texture of the raw material charcoal rod is hard and crisp, the charcoal rod is conveniently crushed by the convex arrangement, thereby realizing the thinning of the charcoal rod and being favorable for printing a refined product.
As shown in fig. 2, the feeding unit 3 comprises a guide pipe 31, a push plate 32, an expansion rod 33 and a handle buckle 34, wherein the guide pipe 31 is vertically connected to the top of the crushing box 21; the push plate 32 is horizontally arranged above the guide pipe 31, and the length of the push plate 32 is smaller than the diameter of the guide pipe 31; the telescopic rods 33 are hinged at two ends of the push plate 32; the handle buckles 34 are symmetrically arranged at the bottom of the telescopic rod 33. The during operation, push pedal 32 pushes down raw and other materials charcoal stick along the stand pipe 31 inner wall, when push pedal 32 moved to the inside of stand pipe 31, because telescopic link 33 articulates the tip at push pedal 32, telescopic link 33 can be taken outside the lateral wall of stand pipe 31, accessible telescopic link 33 bottom buckle 34 with telescopic link 33 and push pedal 32 follow the inside upwards proposition of stand pipe 31 again, be convenient for print going on of work next time, and then improve the work efficiency of 3D printer.
As shown in fig. 2, the elastic cord 6 is disposed inside the guide tube 31, one end of the elastic cord 6 is fixed on the push plate 32, and the other end of the elastic cord 6 is fixed on the inner wall of the guide tube 31. The elastic rope 6 is used for pulling the charcoal rod downwards, and the raw material charcoal rod can enter the guide pipe 31 more easily due to the arrangement of the elastic rope 6, so that the working efficiency of the 3D printer is improved.
As shown in fig. 2, the stirring unit 4 includes a stirring motor 41, a stirring shaft 42 and a stirring protrusion 43, the stirring motor 41 is installed on an outer side wall of the printing box 1, and the stirring motor 41 is used for providing power for stirring the material entering the printing box 1; the stirring shaft 42 is horizontally arranged in the printing box 1, and the stirring shaft 42 is connected with the stirring motor 41; the stirring bulges 43 are uniformly arranged on the stirring shaft 42, and the mixing effect of the raw materials can be enhanced by the arrangement of the stirring bulges 43. During operation, open agitator motor 41, agitator motor 41 drive (mixing) shaft 42 rotates, and the protruding 43 of stirring on (mixing) shaft 42 and the (mixing) shaft 42 carries out intensive mixing and mixing to the inside charcoal stick piece of print cartridge 1 and adhesive 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 conveying unit 5 includes a conveying motor 51, a transmission shaft 52, a conveying pipe 53 and a conveying auger 54, the conveying motor 51 is installed at the center of the top layer outside the printing box 1, and the conveying motor 51 provides power for conveying raw materials inside the printing box 1; the transmission shaft 52 is vertically arranged in the printing box 1, the diameters of the two ends of the transmission shaft 52 are larger than that of the middle of the transmission shaft, the transmission shaft 52 is connected with the conveying motor 51, and the middle of the transmission shaft 52 is provided with a groove which is used for preventing interference with the stirring shaft 42; the conveying pipeline 53 is vertically connected to the center of the bottom layer outside the printing box 1; the conveying auger 54 is arranged in the conveying pipeline 53, and the top of the conveying auger 54 is connected with the bottom of the transmission shaft 52. During operation, the conveying motor 51 is started, the conveying motor 51 drives the transmission shaft 52 to rotate, the transmission shaft 52 drives the conveying auger 54 to rotate, and when a printing material formed inside the printing box 1 enters the conveying pipeline 53 through the printing ink outlet 14 at the center of the bottom of the printing box 1, the printing material is pushed downwards by the rotation of the conveying auger 54, so that the outflow and collection of the printing material are facilitated.
As shown in fig. 2, the side wings 7 are symmetrically connected to the transmission shaft 52 in the vertical direction about the stirring shaft 42, and the side wings 7 are horizontally and uniformly provided with reinforcing ribs 71. Drive flank board 7 when transmission shaft 52 rotates and rotate, the setting of flank board 7 can strengthen the mixture of the inside charcoal stick piece of print box 1 and adhesive, set up oblique pull rod 8 on the flank board 7, the one end of oblique pull rod 8 is connected with transmission shaft 52, the other end and the strengthening rib 71 of oblique pull rod 8 are connected, the structural strength of flank board 7 can be improved in the setting of strengthening rib 71 and oblique pull rod 8, and then improve the availability factor of 3D printer and prolong the life of 3D printer.
The conveying pipeline 53 is integrally formed by ball-milling cast iron and is manufactured by sand casting, the wall thickness of the conveying pipeline 53 is 1-1.5 mm, and pits formed in the sand casting process are formed in the surface of the conveying pipeline 53. The forming mode is more beneficial to forming the thin-wall conveying pipeline 53, the yield is improved, the pits can increase the structural strength of the conveying pipeline 53, and the conveying pipeline 53 is prevented from being damaged; meanwhile, the pits on the inner wall of the conveying pipeline 53 can contain charcoal, and the charcoal has a lubricating effect, so that abrasion between the conveying pipeline 53 and the conveying auger 54 can be avoided, and the service life of the conveying pipeline 53 and the conveying auger 54 is prolonged.
During the use, through the binder entry 12 of the left and right sides lateral wall of print box 1 to print box 1 inside add the binder to and through the inside raw materials charcoal stick that adds of stand pipe 31 to print box 1, promote push pedal 32, with raw materials charcoal stick along the inside wall of stand pipe 31 propelling movement down to crushing box 21 inside.
The grinding motor 22 is started, the grinding motor 22 drives the grinding roller 23 to rotate in the grinding box 21, the grinding roller 23 rolls and grinds the charcoal rods entering the grinding box 21, meanwhile, carbon dioxide gas is introduced into the printing box 1 through the gas inlet 13, and the carbon dioxide gas can form bubbles in the adhesive and the charcoal rod fragments of the raw materials, so that the weight of the raw materials is reduced; the crushed charcoal bars form charcoal bar scraps, and the charcoal bar scraps enter the printing box 1 through a discharge hole at the bottom of the crushing box 21 and a feeding hole 11 at the top of the printing box 1 and are fully and uniformly mixed with the adhesive and carbon dioxide gas to form printing materials.
Charcoal stick piece gets into and prints 1 inside back, opens agitator motor 41, and agitator motor 41 drive (mixing) shaft 42 rotates, and the protruding 43 of stirring on (mixing) shaft 42 and the (mixing) shaft 42 carries out intensive mixing and mixing to the charcoal stick piece and the adhesive of printing 1 inside to improve the quality of the printing material of formation, and then improve the printing effect of 3D printer.
After the printing material is formed, the conveying motor 51 is started, the conveying motor 51 drives the transmission shaft 52 to rotate, the transmission shaft 52 drives the conveying auger 54 to rotate, and when the printing material enters the conveying pipeline 53 through the printing ink outlet 14 in the center of the bottom of the printing box 1, the printing material is pushed downwards by the rotation of the conveying auger 54, so that the printing material can flow out and be collected conveniently.
The collected printing material is irradiated with ultraviolet light to cure the adhesive, thereby facilitating the molding of the printing material.
Industrial applicability
According to the present invention, the method can produce a print material using a charcoal stick, and the resulting print material is uniform in quality, and the print material is used for printing, and thus the method is useful in the field of printing.
Claims (8)
1. A3D printing method is characterized in that: the method comprises the following steps:
the method comprises the following steps: preparing a charcoal rod;
step two: putting the charcoal rod in the step one into a 3D printer for processing to form a printing material;
step three: adding a dispersing agent into the printing material in the second step;
step four: putting the printing materials in the third step back into the 3D printer, and downloading the 3D model in a website;
step five: after the 3D model in the fourth step is downloaded, slicing the model in the STL format by means of a data line, an SD card and the like to obtain a Gcode file, transmitting the Gcode file to a 3D printer, meanwhile, loading a 3D printing material, debugging a printing platform of the 3D printer, setting printing parameters, and then starting to work by the 3D printer;
wherein, in step two the 3D printer include print box (1), print box (1) is the rectangle box, the top of print box (1) sets up pan feeding mouth (11) about central symmetry, pan feeding mouth (11) are used for adding the raw materials to print box (1) inside, the left and right sides wall symmetry of print box (1) is seted up adhesive inlet (12), adhesive inlet (12) are used for adding the adhesive to print box (1) inside, gas inlet (13) are seted up to the bottom of print box (1), gas inlet (13) are used for letting in carbon dioxide gas to print box (1) inside, ink outlet (14) are seted up at the bottom center of print box (1), ink outlet (14) are used for the outflow of the ink that the raw materials formed, its characterized in that: the printing box is characterized by further comprising a crushing unit (2), a feeding unit (3), a stirring unit (4) and a conveying unit (5), wherein the crushing unit (2) is arranged at the top of the printing box, and the crushing unit (2) is used for crushing raw materials; the feeding unit (3) is arranged above the crushing unit (2), and the feeding unit (3) is used for feeding raw material charcoal rods required by printing to the crushing unit (2); the stirring unit (4) is arranged inside the printing box (1), and the stirring unit (4) is used for stirring the crushed raw materials; the conveying unit (5) is arranged on the printing box (1), and the conveying unit (5) is used for conveying the raw materials in the printing box (1);
the feeding unit (3) comprises a guide pipe (31), a push plate (32), an expansion rod (33) and a handle buckle (34), wherein the guide pipe (31) is vertically connected to the top of the crushing box (21); the push plate (32) is horizontally arranged above the guide pipe (31), and the length of the push plate (32) is smaller than the diameter of the guide pipe (31); the telescopic rod (33) is hinged at two ends of the push plate (32); the handle buckles (34) are symmetrically arranged at the bottom of the telescopic rod (33).
2. A 3D printing method according to claim 1, characterized in that: the smashing unit (2) comprises a smashing box (21), a smashing motor (22) and a smashing roller (23), the smashing box (21) is symmetrically arranged at the top of the outer layer of the printing box (1) relative to the center of the printing box (1), a discharge hole is formed in the bottom of the smashing box (21), the discharge hole is communicated with a feeding hole (11) in the top of the printing box (1), and a material passing hole is formed in the top of the smashing box (21); the smashing motor (22) is arranged on the outer wall of the smashing box (21), and the smashing motor (22) provides power for smashing of the charcoal rods as the raw materials; the crushing rollers (23) are arranged inside the crushing boxes (21), the number of the crushing rollers (23) arranged inside one crushing box (21) is two, and the crushing rollers (23) are connected with the crushing motor (22).
3. A 3D printing method according to claim 2, characterized in that: the crushing roller (23) is uniformly provided with the conical protrusions (231), and the arrangement of the conical protrusions (231) can enhance the crushing efficiency of the crushing roller (23).
4. A 3D printing method according to claim 1, characterized in that: the elastic rope (6) is arranged inside the guide pipe (31), one end of the elastic rope (6) is fixed on the push plate (32), and the other end of the elastic rope (6) is fixed on the inner wall of the guide pipe (31).
5. A 3D printing method according to claim 1, characterized in that: the stirring unit (4) comprises a stirring motor (41), a stirring shaft (42) and a stirring bulge (43), wherein the stirring motor (41) is arranged on the outer side wall of the printing box (1), and the stirring motor (41) is used for providing power for stirring materials entering the printing box (1); the stirring shaft (42) is horizontally arranged in the printing box (1), and the stirring shaft (42) is connected with the stirring motor (41); the stirring bulges (43) are uniformly arranged on the stirring shaft (42), and the mixing effect of the raw materials can be enhanced by the arrangement of the stirring bulges (43).
6. A 3D printing method according to claim 1, characterized in that: the conveying unit (5) comprises a conveying motor (51), a transmission shaft (52), a conveying pipeline (53) and a conveying auger (54), the conveying motor (51) is installed at the center of the top layer outside the printing box (1), and the conveying motor (51) provides power for conveying raw materials inside the printing box (1); the transmission shaft (52) is vertically arranged in the printing box (1), the diameters of two ends of the transmission shaft (52) are larger than the diameter of the middle of the transmission shaft, the transmission shaft (52) is connected with the conveying motor (51), and the middle of the transmission shaft (52) is provided with a groove which is used for preventing interference between the transmission shaft and the stirring shaft (42); the conveying pipeline (53) is vertically connected to the center of the bottom layer outside the printing box (1); the conveying auger (54) is arranged inside the conveying pipeline (53), and the top of the conveying auger (54) is connected with the bottom of the transmission shaft (52).
7. The 3D printing method according to claim 6, wherein: the side wing plates (7) are symmetrically connected with the upper part and the lower part of the stirring shaft (42) on the transmission shaft (52), the side wing plates (7) are leveled and are uniformly provided with reinforcing ribs (71), the side wing plates (7) are provided with oblique pull rods (8), one ends of the oblique pull rods (8) are connected with the transmission shaft (52), and the other ends of the oblique pull rods (8) are connected with the reinforcing ribs (71).
8. The 3D printing method according to claim 6, wherein: the conveying pipeline (53) is integrally formed by ball-milling cast iron and is manufactured by sand casting, the wall thickness of the conveying pipeline (53) is 1-1.5 mm, and pits formed in the sand casting process are formed in the surface of the conveying pipeline (53).
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| CN201810819061.9A CN109094021B (en) | 2018-07-24 | 2018-07-24 | 3D printing method |
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