CN103876263A - Three-dimensional printer for printing liquid materials - Google Patents
Three-dimensional printer for printing liquid materials Download PDFInfo
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- CN103876263A CN103876263A CN201410106956.XA CN201410106956A CN103876263A CN 103876263 A CN103876263 A CN 103876263A CN 201410106956 A CN201410106956 A CN 201410106956A CN 103876263 A CN103876263 A CN 103876263A
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- shower nozzle
- printing
- guide rail
- dimensional printer
- dimensional
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- 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
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
- A23G3/00—Sweetmeats; Confectionery; Marzipan; Coated or filled products
- A23G3/02—Apparatus specially adapted for manufacture or treatment of sweetmeats or confectionery; Accessories therefor
- A23G3/0236—Shaping of liquid, paste, powder; Manufacture of moulded articles, e.g. modelling, moulding, calendering
- A23G3/0242—Apparatus in which the material is shaped at least partially by a die; Extrusion of cross-sections or plates, optionally the associated cutting device
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23P—SHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY A SINGLE OTHER SUBCLASS
- A23P20/00—Coating of foodstuffs; Coatings therefor; Making laminated, multi-layered, stuffed or hollow foodstuffs
- A23P20/20—Making of laminated, multi-layered, stuffed or hollow foodstuffs, e.g. by wrapping in preformed edible dough sheets or in edible food containers
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23P—SHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY A SINGLE OTHER SUBCLASS
- A23P30/00—Shaping or working of foodstuffs characterised by the process or apparatus
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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
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/118—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
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- 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
- B33Y80/00—Products made by additive manufacturing
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23P—SHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY A SINGLE OTHER SUBCLASS
- A23P20/00—Coating of foodstuffs; Coatings therefor; Making laminated, multi-layered, stuffed or hollow foodstuffs
- A23P20/20—Making of laminated, multi-layered, stuffed or hollow foodstuffs, e.g. by wrapping in preformed edible dough sheets or in edible food containers
- A23P20/25—Filling or stuffing cored food pieces, e.g. combined with coring or making cavities
- A23P2020/253—Coating food items by printing onto them; Printing layers of food products
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Ink Jet (AREA)
Abstract
The invention discloses a three-dimensional printer for printing liquid materials. The three-dimensional printer comprises a three-dimensional adjusting mechanism, and a printing sprayer which performs three-dimensional printing under adjustment of the three-dimensional adjusting mechanism, wherein the printing sprayer comprises a nozzle driving motor, a tube outer sleeve, a tube sleeved in the tube outer sleeve; a charging hole and a sprayer which is fixed at the other end of the tube outer sleeve are arranged on one side at the bottom end of the tube; a nozzle is arranged on the sprayer; a feeding hole which is mutually opposite to the charging hole, a tube heating sleeve which is sleeved on the outer wall of the tube outer sleeve and is used for heating the tube outer sleeve and the tube, a nozzle heating sleeve used for heating the nozzle, and a hopper used for containing a printed material are arranged on one side of the sprayer; and the hopper is mutually connected with the feeding hole through a pipeline with a feeding control valve. The three-dimensional printer is stable in jet, the food materials can be treated according to a food material temperature regulation process, materials can be automatically supplemented, the ejected material can be rapidly cooled and deposited, the three-dimensional printer is high in precision, sanitary and convenient, and chocolate, cream, jam and multiple liquid food materials can be printed.
Description
Technical field
The invention belongs to and the present invention relates to fusion sediment type three-dimensional printing technology, especially relate to a kind of three-dimensional printer of printing flowing material.
Background technology
Along with scientific and technical development and social progress, consumer is also more and more higher to the requirement of food: not only require tastyly, also more and more focus on the appearance and modeling of food.But traditional food processing technology is limited to the shape of mould, workman's skill level, cannot produce complex-shaped moulding.
3 D-printing is the emerging technology developing rapidly in manufacture field in recent years, different from the removal materials processing of traditional manufacture, and the manufacture of 3 D-printing is to increase material.Its main technique is successively to print.System automatically by three-dimensional modeling with certain bed thickness layering.Printhead is successively printed according to the data of every one deck, finally becomes a 3D solid with regard to stacking.Manufacture means with respect to tradition, 3 D-printing can be manufactured the part that profile is comparatively complicated.In food-processing industry, utilize 3 D-printing can produce the moulding that traditional food manufacturing process cannot be processed.
Chinese patent ZL200720020715.9 discloses a kind of cake printer, adopts edible inks directly to print picture and text at cake.It is made up of printing equipment, three-dimensional fix slide rail, the stepper motor being connected with three-dimensional fix slide rail, material table that can 360 degree rotations and the rotation step drive mechanism being connected with material table, and printing equipment is arranged in three-dimensional fix slide rail.Chinese patent ZL201320022312.3 discloses a kind of multifunctional food printer.The compressed air that adopts air compressor to produce is extruded the material in printing head, can realize 2D or 3D and draw.But the injection that adopts compressed-air actuated method to be difficult to avoid air pressure fluctuation to bring is inhomogeneous, extrudes power inadequate, the phenomenon that even shower nozzle stops up.And above-mentioned two parts of patents all do not have thermoregulating system.
Produce the appetizing chocolate complicated tempering process that needs.Chocolate main component cocoa butter is polymorphic product, and the fat in cocoa butter can exist with 6 kinds of multi-form crystal, and in the good chocolate of taste, major part is all stable β V crystal.Just need to be to chocolate temperature adjustment in order to form a large amount of β V crystal.After the chocolate of good temperature adjustment processing solidifies, easily do not produce " bloom " phenomenon, the outward appearance of not only mouthfeel variation, and frosting is also difficult to make popular acceptance.Chocolate, cream printing also needs specific temperature, otherwise easily stops up at nozzle, pipeline place.
The open report that is applicable to the chocolate device that waits special material printing also in the market and in document, causes three-dimensional printer to be greatly restricted in the application in these fields.
Summary of the invention
The object of the present invention is to provide a kind of three-dimensional printer of printing flowing material, can steady extruding, segmentation insulation, the shower nozzle while avoiding material ejection stops up, and simultaneously to material temperature adjustment processing, while printing, can form the printed product of good taste for food; Simultaneously can automatic charging, avoid the troublesome operation such as reinforced after emptied of material or replace tubes.
Print a three-dimensional printer for flowing material, comprise chassis frame, be arranged on the three-dimensional adjusting mechanism on chassis frame and under three-dimensional adjusting mechanism regulates, carry out the printing head of 3 D-printing, described printing head comprises:
Shower nozzle drive motors;
One end and the relatively-stationary material pipe of described shower nozzle drive motors overcoat;
Be set in the material pipe in material pipe overcoat, shower nozzle leading screw one end of the piston in this material pipe and described shower nozzle drive motors interfixes; Described material pipe bottom one side is provided with charge door;
The shower nozzle that is fixed on the material pipe overcoat other end, this shower nozzle is provided with nozzle; Described shower nozzle one side is provided with the charging hole mutually aligning with described charge door;
Be set in the material pipe heating jacket of material pipe outer casing outer wall for material pipe overcoat and material pipe are heated;
For the nozzle heating jacket to nozzle heating;
For holding the hopper of printed material, this hopper interconnects by a pipeline with charging control valve and described charging hole.
Described three-dimensional adjusting mechanism generally comprises X-axis governor motion, Y-axis governor motion, Z axis governor motion.The present invention adopts by X-axis governor motion, Y-axis governor motion, Z axis governor motion printing head is carried out to three-dimensional control, realizes the three-dimensional motion of shower nozzle.The setting of hopper and charging control valve, realizes the automatic charge to material pipe.Binder pipe heating jacket and nozzle heating jacket guarantee material are printed at suitable temperature simultaneously, ensure print quality.For ensureing that shower nozzle leading screw strictly carries out axial operation, avoid screw mandrel to rotate, generally can arrange simultaneously shower nozzle leading screw is carried out to circumferential spacing position-limit mechanism, as preferably, described shower nozzle drive motors is linear stepping motor, and described shower nozzle drive motors is fixed with shower nozzle guide rail optical axis back to one end of shower nozzle; On described shower nozzle leading screw, be fixed with shower nozzle guide rail slide block, this shower nozzle guide rail slide block is provided with the pilot hole passing for shower nozzle guide rail optical axis.Shower nozzle guide rail optical axis generally be arranged two in parallel.In addition, printing head is driven the leading screw moving linearly being engaged with by a linear stepping motor, and leading screw, with piston motion in material pipe, is extruded the material in material pipe, has ensured stability and the uniformity printed.
For ensureing smooth charging, as preferably, described charging control valve is ball valve, and described charging hole is screwed hole, and this screwed hole is threaded with described charging control valve, and the charging control valve other end is connected with described hopper by conveying flexible pipe.The printed materials such as food materials are input to material pipe by conveying flexible pipe and the charging aperture that is opened in printing head lower end from hopper.Adopt hose construction, can select hopper to be arranged on different positions, improved the adjustability of printer, avoid circuit and parts to interfere etc.
For ease of the melting state of material in real-time monitored material pipe, as preferably, described material pipe outer casing outer wall is provided with observation window.Observation window is generally strip structure, axial arranged along material pipe, is convenient to realize to the overall observation of material pipe.
For meeting the needs of some special material, ensure that the printed material in hopper maintains suitable temperature, as preferably, on described hopper or pipeline, there is heater, heating jacket etc. for example can be set, the quantity arranging can be determined according to actual needs, for example, can on hopper, arrange one, arranges one or more on pipeline.Also can select to arrange heater etc. at charging control valve place.
It is adjustable that described material pipe heating jacket is set in the outer height putting of material pipe, is provided with the fixture that both are interfixed between the two.According to printing the difference that material is different or install this body structure, can expect that the height of pipe heating jacket ensures to print material and carries out 3 D-printing in optimum temperature by adjustment, avoid expecting that pipe heating jacket produces and interferes with device miscellaneous part simultaneously.Fixture can be selected bolt etc.
For realizing automated job, as preferably, described three-dimensional adjusting mechanism and shower nozzle drive motors are all controlled by same controller.For convenience of the installation of shower nozzle guide rail optical axis, as further preferred, described shower nozzle guide rail optical axis is fixed on respectively one end of described shower nozzle drive motors by guide rail bottom plate and guide rail upper head plate.For ease of the control to shower nozzle leading screw stroke, as further preferably, on described guide rail bottom plate and guide rail upper head plate, be respectively equipped with a travel switch of controlling shower nozzle leading screw operational limit.
In order to make the liquid printed material moulding rapidly and accurately such as food materials, described three-dimensional printer is provided with transparent outer cover outward, in described chassis frame, be provided with the workbench for supporting 3D solid, this workbench is provided with 3D solid is carried out to cooling semiconductor cool-air machine.To maintain interior environment temperature, so that the material of ejection solidifies in time.
To print chocolate as example, in order to obtain a large amount of stable β V crystal in chocolate process of setting, to ensure chocolate flavouring, patent of the present invention is according to chocolate processing technology, be provided with many places attemperator in the different phase of chocolate pipeline, to form certain thermograde, promote the formation of stable crystal.Attemperator can also be printed front basis again chocolate is carried out to certain temperature adjustment processing, can prevent that the chocolate printing from producing " bloom " phenomenon in preservation process.
Patent of the present invention can complete the motions such as straight line on three dimensions, circular arc, three-dimensional space curve, can realize two dimension or 3 D-printing.Printable material comprises the liquid food materials such as chocolate, cream, jam.
The useful effect that the present invention has is:
Innovation of the present invention is to adopt the mode of continuous feeding to extrude food materials, and can carry out temperature adjustment processing to food materials in the process of preservation, conveying and printing food materials
Owing to having adopted linear stepping motor to drive leading screw extruded material, guide screw movement is at the uniform velocity steady, and thrust is large, can avoid vapour-pressure type extrude because of air pressure fluctuation produce unstable, or the phenomenon that causes shower nozzle to stop up because pressure is little.
Owing to adopting automatic charging device, can in cavity, after emptied of material, automatically add, not only can save the trouble of artificial interpolation material, also avoid, because manually bring bubble in the time adding material, causing the phenomenon of print procedure interrupt flow.
Owing to having installed attemperating unit additional, temperature adjustment can be carried out to material in course of conveying, to print the product of best flavor.Temperature control equipment can also, stopping reheating shower nozzle and pipeline after printing, have been avoided the trouble of frequent clean equipment.
Brief description of the drawings
Fig. 1 is the general assembly part three-dimensional wireframe figure of three-dimensional printer of the present invention.
Fig. 2 is the three-dimensional line block diagram of the printing head 1 of three-dimensional printer shown in Fig. 1.
Fig. 3 is the profile of printing head 1 the latter half of three-dimensional printer shown in Fig. 1.
Fig. 4-Fig. 9 is the printing process flow diagram of three-dimensional printer of the present invention:
Wherein, Fig. 4 is the structural representation of 1 time initial point of printing head;
Fig. 5 be printing head 1 move to required coordinate simultaneously nozzle be in the structural representation on the height of ground floor;
Fig. 6 is the structural representation that shower nozzle drive motors drives shower nozzle leading screw and piston that material is extruded from nozzle;
Fig. 7 is the structural representation during three-dimensional printer of the present invention is successively printed;
Fig. 8 is the structural representation that three-dimensional printer of the present invention carries out automatic charge;
Fig. 9 is the structural representation after three-dimensional printer of the present invention completes.
In figure: 1-printing head, 2-Z axial filament thick stick, 3-Z axis rail, 4-X axial filament thick stick, 5-X axis rail, 6-Z shaft step motor, 7-Y shaft step motor, 8-X shaft step motor, 9-Y axial filament thick stick, 10-Y axis rail, 11-hopper, 12-conveying flexible pipe, 13-chassis frame, 14-semiconductor cool-air machine, 15-workbench, 16-shower nozzle upper limit, 17-shower nozzle guide rail optical axis, 18-shower nozzle guide rail slide block, 19-shower nozzle leading screw, 20-shower nozzle lower limit, 21-material pipe overcoat, 21a-observation window, 22-charging control valve, 23-charging aperture, 24-nozzle heating jacket, 25-nozzle, 26-shower nozzle, 27-material pipe heating jacket, 28-shower nozzle motor base, 29-shower nozzle drive motors, 30-guide rail bottom plate, 30a-guide rail upper head plate, 31-shower nozzle base plate, 32-expects pipe, 33, 34-heats pore, 35-extruded material, 36-piston, 37-copper nut.
Detailed description of the invention
Below in conjunction with accompanying drawing and implementation process, the present invention is further illustrated.
As shown in Figure 1, chassis frame 13 be longitudinally fixed with a y-axis stepper motor 7 and Y-axis guide rail 10, Y-axis leading screw 9 is installed on it; Y-axis stepper motor 7, Y-axis guide rail 10 and Y-axis leading screw 9 form the Y-axis governor motion of printing head 1; Y-axis leading screw 9 in Y-axis governor motion drives the X-axis guide rail 5 on it to move in Y-direction by screw-threaded engagement.X-axis stepper motor 8 and X-axis leading screw 4 are installed on X-axis guide rail 5; X-axis guide rail 5, X-axis stepper motor 8 and X-axis leading screw 4 form the X-axis governor motion of printing head 1.Drive the Z axis guide rail 3 on it to move at directions X by X-axis leading screw 4 screw-threaded engagement in X-axis regulating mechanism equally.Z axis stepper motor and Z axis leading screw 2 are installed on Z axis guide rail 3; Z axis guide rail 3, Z axis stepper motor 6 and Z axis leading screw 2 form the Z axis governor motion of printing head 1.In Z axis governor motion, Z axis leading screw 2 also drives printing on it to meet and discuss by screw-threaded engagement 1 to move in Z direction.Printing head can be made three-dimensional space motion by relative workbench 15 under the drive of X, Y, tri-axles of Z thus, also can in the situation that Z axis is motionless, in XY plane, make two dimensional motion.X-axis governor motion, Y-axis governor motion and Z axis governor motion all can adopt existing structure.
Workbench 15 is arranged on chassis frame 13 bottoms, is placed with semiconductor cool-air machine 14 on it, can blow out than the cold wind of low 15 DEG C of environment temperature, cooling for the material 35 of extruding where necessary, accelerates its curing molding.Hopper 11 is arranged on chassis frame 13 tops, and heater and attemperator can be set as required on hopper 11, can melt material, be incubated.
As shown in Figure 2 and Figure 3, shower nozzle drive motors 29 adopts linear stepping motor, shower nozzle drive motors 29 is arranged between shower nozzle motor base 28 and guide rail bottom plate 30, guide rail bottom plate 30 interfixes with guide rail upper head plate 30a by shower nozzle base plate 31, between guide rail bottom plate 30 and guide rail upper head plate 30a, be fixed with two shower nozzle guide rail optical axises 17, shower nozzle guide rail slide block 18 is arranged on two shower nozzle guide rail optical axises 17, interfix with shower nozzle leading screw 19, shower nozzle guide rail slide block 18 can slide up and down along two shower nozzle guide rail optical axises 17 simultaneously; Between shower nozzle guide rail slide block 18 and two shower nozzle guide rail optical axises 17, wear-resistant sleeve can be set as required.On guide rail bottom plate 30 and guide rail upper head plate 30a, be respectively equipped with shower nozzle upper limit 16 and shower nozzle lower limit 20, the original position and the final position that are used for the stroke of controlling shower nozzle guide rail slide block 18, shower nozzle upper limit 16 and shower nozzle lower limit 20 can be selected commercially available travel switch product.
Shower nozzle leading screw 19 meshes together with the copper nut 37 in shower nozzle drive motors 29, and its upper end and shower nozzle guide rail slide block 18 are fixing, are limited to rotate, and can only follow shower nozzle guide rail slide block 18 and slide up and down; Its lower end is provided with piston 36.Shower nozzle motor 29 can drive shower nozzle leading screw 19 to drive the piston 36 on it to manage 32 interior reciprocating motions at material thus.Material pipe overcoat 21 upper ends are fixed on shower nozzle motor base 28, and its inner sleeve has material pipe 32; Material pipe overcoat 21 outer walls are provided with the observation window 21a of bar shaped, for the interior material ruuning situation of real-time monitored material pipe 32; Material pipe 32 1 sides are provided with charge door.Shower nozzle 26 is fixed on material pipe overcoat 21 lower ends, and one side has and expects to manage the screwed hole that on 32, charge door aligns, and nozzle 25 is equipped with in bottom.Charging control valve 22 one end and charging aperture 23 are threaded connection, and the other end is fixedly connected with the screwed hole of shower nozzle 26 by screw thread, and charging aperture 23 is connected to hopper 11 bottoms by conveying flexible pipe 12, the general ball valve of selecting of charging control valve 22.Thus, the material in hopper 11 can be filled in material pipe 32 by charging aperture 23.Nozzle heating jacket 24 is fixed on shower nozzle 26, entangles nozzle 25, has heating pore 34 above, can be incubated nozzle 25.Material pipe heating jacket 27 is enclosed within on material pipe overcoat 21, can move up and down, and has heating pore 33 above, can heat material pipe 32 diverse locations; Avoid expecting that pipe heating jacket 27 produces and interferes with miscellaneous part, adjustability is strong simultaneously.
To print heart-shaped chocolate as example, the course of work of the present invention is as follows:
1) preparatory stage: charging control valve 22 is closed.Pack molten chocolate material into hopper, nozzle heating jacket 24, material pipe heating jacket 27 start heating, temperature required by being preheated in shower nozzle 26 and material pipe 32.Hopper 11, conveying flexible pipe 21 and charging control valve start heating, and the material preheater in pipeline is arrived temperature required.Semiconductor cool-air machine 14 is opened, and blows a cold wind over, and make the temperature in cabinet maintain desired level facing to nozzle 25.
2) in computer, one or more three-dimensional modelings are changed into STL form, input three-dimensional printer.Being translated into by CAM software can be for the G code of this 3 D-printing machined.Its printing type is successively to print.
3) start to print: 1 time initial point of printing head.As shown in Figure 4.
4) printing head 1 moves to required coordinate, and nozzle 25 is on the height of ground floor.As shown in Figure 5.
5) Z axis keeps highly constant, and X, Y-axis move according to program, and shower nozzle drive motors 29 setting in motions, drive the material in shower nozzle leading screw 19 and the downward pressing material pipe 32 of piston 36 simultaneously, and it is extruded from nozzle 25.As shown in Figure 6.
6) along with motion and the material of printing head 1 in XY plane managed extruding or stopping of 32 interior materials, extruded material 35 is deposited on workbench 15 as required, until this one deck printing is complete.
7) XY axle moves to the coordinate that the second layer starts, and shower nozzle drive motors 29 stops, a floor height of Z axis rising.Start the printing of new one deck, repeat the 6th) step.As shown in Figure 7.
8), if shower nozzle guide rail slide block 18 triggers shower nozzle lower limit 20, mean that material intraductal material exhausts.Now shower nozzle drive motors 29 suspends, 1 time initial point of printing head, and nozzle 25 is pushed down silicagel pad, makes its obstruction.
9) open charging control valve 22.
10) shower nozzle drive motors 29 drives shower nozzle leading screw 19 and piston 36 back to move, and the material in hopper 11 is managed in 32 with material by conveying flexible pipe 12 and charging aperture 23 suction shower nozzles 26.Until shower nozzle guide rail slide block 18 triggers shower nozzle upper limit 16.As shown in Figure 8.
11) close charging control valve 22.
12) printing head 1 returns and suspended position last time, continues to print.
13) treat that all layers all prints completely, shower nozzle drive motors 29 stops, and XYZ tri-axles return initial point.As shown in Figure 9.
14) take out and print complete workpiece.
Claims (10)
1. print the three-dimensional printer of flowing material for one kind, comprise chassis frame (13), be arranged on the three-dimensional adjusting mechanism on chassis frame and under three-dimensional adjusting mechanism regulates, carry out the printing head (1) of 3 D-printing, it is characterized in that, described printing head (1) comprising:
Shower nozzle drive motors (29);
One end and described shower nozzle drive motors (29) relatively-stationary material pipe overcoat (21);
Be set in the material pipe (32) in material pipe overcoat (21), the piston (36) in this material pipe interfixes with shower nozzle leading screw (19) one end of described shower nozzle drive motors (29); Described material pipe (32) bottom one side is provided with charge door;
The shower nozzle (26) that is fixed on material pipe overcoat (21) other end, this shower nozzle (26) is provided with nozzle (25); Described shower nozzle (26) one sides are provided with the charging hole mutually aligning with described charge door;
Be set in material pipe overcoat (21) outer wall for material pipe overcoat (21) and material are managed to the material pipe heating jacket (27) that heat (32);
For the nozzle heating jacket (24) to nozzle (25) heating;
For holding the hopper (11) of printed material, this hopper interconnects by a pipeline with charging control valve (22) and described charging hole.
2. the three-dimensional printer of printing flowing material according to claim 1, is characterized in that, described shower nozzle drive motors (29) is linear stepping motor, and described shower nozzle drive motors is fixed with shower nozzle guide rail optical axis (17) back to one end of shower nozzle (26); On described shower nozzle leading screw (19), be fixed with shower nozzle guide rail slide block (18), this shower nozzle guide rail slide block (18) is provided with the pilot hole passing for shower nozzle guide rail optical axis (17).
3. the three-dimensional printer of printing flowing material according to claim 1, it is characterized in that, described charging control valve (22) is ball valve, described charging hole is screwed hole, this screwed hole is threaded with described charging control valve (22), and charging control valve (22) other end is connected with described hopper (11) by conveying flexible pipe (12).
4. the three-dimensional printer of printing flowing material according to claim 1, is characterized in that, described material pipe overcoat (21) outer wall is provided with observation window (21a).
5. the three-dimensional printer of printing flowing material according to claim 1, is characterized in that, on described hopper (11) or pipeline, has heater.
6. the three-dimensional printer of printing flowing material according to claim 1, is characterized in that, it is adjustable that described material pipe heating jacket (27) is set in the height of expecting on pipe overcoat (21), is provided with the fixture that both are interfixed between the two.
7. the three-dimensional printer of printing flowing material according to claim 2, is characterized in that, described three-dimensional adjusting mechanism and shower nozzle drive motors (29) are all controlled by same controller.
8. the three-dimensional printer of printing flowing material according to claim 7, is characterized in that, described shower nozzle guide rail optical axis (17) is fixed on respectively one end of described shower nozzle drive motors (29) by guide rail bottom plate (30) and guide rail upper head plate (30a).
9. the three-dimensional printer of printing flowing material according to claim 8, is characterized in that, is respectively equipped with a travel switch of controlling shower nozzle leading screw (19) operational limit on described guide rail bottom plate (30) and guide rail upper head plate (30a).
10. according to the three-dimensional printer of the printing flowing material described in the arbitrary claim of claim 1-9, it is characterized in that, in described chassis frame (13), be provided with the workbench (15) for supporting 3D solid, this workbench is provided with 3D solid is carried out to cooling semiconductor cool-air machine (14).
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| CN201410106956.XA CN103876263B (en) | 2014-03-21 | 2014-03-21 | A kind of three-dimensional printer printing flowing material |
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| CN201410106956.XA CN103876263B (en) | 2014-03-21 | 2014-03-21 | A kind of three-dimensional printer printing flowing material |
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| CN103876263B CN103876263B (en) | 2016-03-02 |
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| CN104015367A (en) * | 2014-06-27 | 2014-09-03 | 漳州长峰电脑设备有限公司 | Method for enabling 3D (three-dimensional) printer to restore printing after printing interruption |
| CN104161098A (en) * | 2014-07-24 | 2014-11-26 | 合肥斯科尔智能科技有限公司 | Single-spray three-dimensional printer for cream cakes |
| CN104175553A (en) * | 2014-07-18 | 2014-12-03 | 上海交通大学医学院附属第九人民医院 | Novel three-dimensional printing forming tester for false-tooth wax pattern |
| CN104186607A (en) * | 2014-07-24 | 2014-12-10 | 合肥斯科尔智能科技有限公司 | Dual-jetting rotating type cream cake three-dimensional printer |
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