CN103786347B - Three-dimensional printer and Method of printing thereof - Google Patents
Three-dimensional printer and Method of printing thereof Download PDFInfo
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- CN103786347B CN103786347B CN201410073577.5A CN201410073577A CN103786347B CN 103786347 B CN103786347 B CN 103786347B CN 201410073577 A CN201410073577 A CN 201410073577A CN 103786347 B CN103786347 B CN 103786347B
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- printhead
- dimensional printer
- shifter
- box
- pipe
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
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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
- B29C64/112—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
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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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Abstract
The present invention provides a kind of three-dimensional printer and Method of printing thereof, this three-dimensional printer comprises at least two and prints box, print box erecting frame, mobile framework, drive head, at least two printheads and at least two shifters, print box erecting frame for installing printing box, head is driven to be arranged on mobile framework, each printhead receives the consumptive material that prints box supply, printhead is connected with driving head by the first coupling device separablely, each shifter by the 2nd coupling device and printhead separable be connected, Method of printing comprises driving head and moves to a shifter place by with the printhead driving head to be connected, shifter is connected with printhead, head is driven to be separated with printhead, head is driven to move to another printhead place, head is driven to be connected with printhead, shifter is separated with printhead. this three-dimensional printer and Method of printing its have structure simple, be easy to control, low cost and other advantages.
Description
Technical field
The present invention relates to printing field, the Method of printing of a kind of three-dimensional printer and this three-dimensional printer is especially set.
Background technology
3D printer, also known as three-dimensional printer, is a kind of machine utilizing rapid shaping technique, based on digital model file, adopts formed material, constructs three-dimensional entity by the mode printed by layer. Before printing, it is necessary to utilize microcomputer modelling software modeling, then the three-dimensional model " subregion " built up is become the cross section by layer, namely cut into slices, thus instruct 3D printer to print by layer. 3D printer obtains a wide range of applications at product manufacturing industry, and the principle of work of 3D printer is substantially identical with conventional printer, is made up of control unit, machinery assembly, printhead, consumptive material (i.e. formed material) and medium etc., prints principle also substantially similar.
Present stage, 3D printing technique is fast-developing and has progressed into every field, and a 3D printer can adopt multiple material to print, such as, it may also be useful to the 3D printer of ABS material, and material such as the materials such as nylon that some also can be used close with ABS print. And, the material of multiple color can be adopted when 3D printer prints directly to beat the 3D solid of printed color. If application publication number is the Chinese invention patent application of CN103481515A " 3D printer " by name, with reference to Fig. 1, that application discloses a kind of three-dimensional printer 1, it comprises printhead 11 and prints box erecting frame 12, multiple printing box 2 is arranged on and prints in box erecting frame 12, and by discharge port, the consumptive material held in it is provided to printhead 11. In printhead 11, various consumptive material melting also mixes, through shower nozzle ejection, to form three-dimensional colour entity 22. Three-dimensional printer 1 also comprises mobile framework 13, balladeur train 14, base plate 16 and molding seat 17, mobile framework 13 can move up and down along screw rod 15, balladeur train 14 can be movable in the plane that mobile framework 13 is determined, and printhead 11 can move left and right along balladeur train 14, thus 3D solid 22 can be printed out on molding seat 17. Print the printing box 2 that can install four kinds of different colours in box erecting frame 12, and printing box 2 is provided with anti-error equipment structure 21, match with anti-assembling structure 121 on printing box erecting frame, the anti-error equipment structure 21 of the printing box of different colours is different, thus printing box 2 can not be mounted in the part unmatched with it printing box erecting frame.
But, the printhead 11 of above-mentioned this kind of three-dimensional printer the various silk material in multiple printing box 2 is carried out melting and through shower nozzle ejection, mixed consumptive material is formed 3D solid then, owing to needing the collocation that different consumptive material carries out different component to merge, need again to be incubated by consumptive material after melting simultaneously, in case solidification causes blocking discharge port, so this printhead 11 structure is comparatively complicated, and three-dimensional printer needs supporting many cover Controlling System to control the batching between different consumptive materials, cause this three-dimensional printer cost cost height. Meanwhile, when stopping printing, owing to consumptive material is shaping by high-temperature fusion, so solidification is easily accumulated at print-head nozzle place, printhead is then blocked.
Summary of the invention
First object of the present invention is to provide the three-dimensional printer that a kind of structure is simple and cost is low.
First object of the present invention is to provide the Method of printing of the three-dimensional printer that a kind of structure is simple and cost is low.
In order to realize first object of the present invention, the present invention provides a kind of three-dimensional printer, comprise at least two and print box, print box erecting frame, mobile framework, drive head, at least two printheads and at least two shifters, print in box and accommodate consumptive material, print box erecting frame for installing printing box, head is driven to be arranged on mobile framework, each printhead receives the consumptive material that prints box supply, printhead is connected with driving head by the first coupling device separablely, each shifter by the 2nd coupling device and printhead separable be connected.
From such scheme, by being provided with multiple printhead and multiple shifter being provided with printhead at three-dimensional printer, utilize and drive head to carry out the relatively simple monochrome printhead of choice structure in shifter place by moving to needed for reality, thus it is colored shaping to realize utilizing the simple printhead of structure to realize, after the forming materials of a kind of color, by driving head to drive printhead to move in shifter, by controlling the 2nd coupling device, shifter is connected with this printhead again, and control the first coupling device makes to drive head to be separated with this printhead, then the shifter place that head is provided with another printhead by moving to another is driven, connect this printhead and continue the shaping of another color, visible, by driving head to switch different printheads, to realize colored 3D solid shaping, it is simple that it has structure, it is easy to control, low cost and other advantages.
Further scheme is, the first coupling device is arranged on and drives on head or on printhead; 2nd coupling device is arranged on shifter or on printhead.
Further scheme is, the first coupling device is the first magnetic devices; 2nd coupling device is the 2nd magnetic devices.
Therefore, drive head, connection between printhead and shifter can be realized by multiple different coupling device with being separated, the coupling device such as cooperatively interacted by locating dowel and pilot hole, the coupling device etc. such as coordinated by machine riveting again all can realize connecting separablely, and coupling device can be arranged on driving head according to the actual needs of three-dimensional printer, in printhead or shifter, but by the coupling device for magnetic devices, utilize the magnetic that magnetic devices produces, can simply realize driving head, connection between printhead and shifter be separated, and stable connection height, be conducive to improving the intellectuality of machine.
Further scheme is, printhead is provided with the first installation portion and the 2nd installation portion, drives head to be provided with the 3rd installation portion, and shifter arranges the 4th installation portion;
First installation portion and the 3rd installation portion have mutually corresponding arc outer wall;
2nd installation portion and the 4th installation portion have mutually corresponding arc outer wall.
Therefore, drive the location between head, printhead and shifter can pass through accomplished in many ways, such as make the position between driving head, printhead and shifter relatively fixing by locator meanss such as card groove, triangle, rectangles, but by the cooperation that corresponding cambered surface outer wall and magnetic connect, be conducive to improving the tolerance connected, lower and connect failure rate.
Further scheme is, three-dimensional printer also comprises attemperator, and attemperator is enclosed within the discharge end periphery of printhead.
Therefore, by attemperator is arranged on the discharge end of printhead, be conducive to preventing the consumptive material of melting from solidifying, avoid blocking discharge port.
Further scheme is, three-dimensional printer also comprises cleaning device, cleaning device comprises pump, first pipe, valve, upper cleaning box, 2nd pipe and lower cleaning box, the first end of the first pipe is connected with pump, valve is arranged on pipe, valve is for controlling the break-make of the first pipe, upper cleaning box surrounds the cavity for splendid attire scavenging solution, the upper end of upper cleaning box and the 2nd termination of the first pipe are led to, the lower end of upper cleaning box is used for the feed end with printhead and connects, the first end of the 2nd pipe is connected with the discharge port of printhead, lower cleaning box is loaded with scavenging solution, 2nd end of scavenging solution submergence the 2nd pipe.
Therefore, the remaining consumptive material of printhead can be cleared up by cleaning device, by pump, upper cleaning box is applied negative pressure, the scavenging solution of lower cleaning box is made to arrive upper cleaning box through the consumptive material cavity of printhead, by pump, upper cleaning box is applied malleation again, the scavenging solution of cleaning box is made to return lower cleaning box through the consumptive material cavity of printhead, owing to scavenging solution is solubilized or the liquid decomposing consumptive material, the accumulation of remaining consumptive material is avoided to solidify so printhead being carried out cleaning being conducive to by cleaning device, avoid blocking printhead, also the entity shaping quality of three-dimensional printer is conducive to improving.
Further scheme is, three-dimensional printer also comprises the polishing piece that resilient material is made, and polishing piece has offered slit in the middle, the discharge end of printhead through slit and with slit shrink-fit.
Therefore, by the discharge end of printhead, elastic slit carries out shrink-fit with having so that the remaining consumptive material on the discharge port of printhead can be walked by slit wiping, by polishing piece cleaning discharge port, is conducive to improving Forming Quality next time.
In order to realize the 2nd object of the present invention, the present invention provides the Method of printing of a kind of three-dimensional printer, three-dimensional printer comprises at least two and prints box, print box erecting frame, mobile framework, drive head, at least two printheads and at least two shifters, print in box and accommodate consumptive material, print box erecting frame for installing printing box, head is driven to be arranged on mobile framework, each printhead receives the consumptive material that prints box supply, printhead is connected with driving head by the first coupling device separablely, printhead is connected with shifter by the 2nd coupling device separablely, wherein, Method of printing comprises: drive head to move to a shifter place by with the printhead driving head to be connected, shifter is connected with printhead, head is driven to be separated with printhead, head is driven to move to another printhead place, head is driven to be connected with printhead, shifter is separated with printhead.
From such scheme, by being provided with multiple printhead and multiple shifter being provided with printhead at three-dimensional printer, utilize and drive head to carry out the relatively simple monochrome printhead of choice structure in shifter place by moving to needed for reality, thus it is colored shaping to realize utilizing the simple printhead of structure to realize, after the forming materials of a kind of color, by driving head to drive printhead to move in shifter, again by the connection of shifter and this printhead, and drive head to be separated with this printhead, then the shifter place that head is provided with another printhead by moving to another is driven, connect this printhead and continue the shaping of another color, visible, by driving head to switch different printheads, to realize colored 3D solid shaping, this Method of printing have be easy to control, low cost and other advantages.
Further scheme is, three-dimensional printer also comprises attemperator, and attemperator is enclosed within the discharge end periphery of printhead; Three-dimensional printer is after shifter is connected with printhead, and three-dimensional printer starts attemperator.
Therefore, attemperator is arranged on the discharge end of printhead, by being incubated by the printhead being connected to shifter, is conducive to preventing the consumptive material of melting from solidifying, avoid blocking discharge port.
Further scheme is, three-dimensional printer also comprises cleaning device, cleaning device comprises pump, first pipe, valve, upper cleaning box, 2nd pipe and lower cleaning box, the first end of the first pipe is connected with pump, valve is arranged on pipe, valve is for controlling the break-make of the first pipe, upper cleaning box surrounds the cavity for splendid attire scavenging solution, the upper end of upper cleaning box and the 2nd termination of the first pipe are led to, the lower end of upper cleaning box is used for the feed end with printhead and connects, the first end of the 2nd pipe is connected with the discharge port of printhead, lower cleaning box is loaded with scavenging solution, 2nd end of scavenging solution submergence the 2nd pipe, three-dimensional printer is after shifter is connected with printhead, and Method of printing also comprises: upper cleaning box is applied negative pressure by pump, when upper cleaning box fills with described scavenging solution, upper cleaning box is applied malleation by pump.
Therefore, by utilizing pump that upper cleaning box applies negative pressure or malleation, make scavenging solution back and forth through the consumptive material cavity of printhead, complete printhead carries out the cleaning accumulation solidification being conducive to avoiding remaining consumptive material to printing to utilize cleaning device, avoid blocking printhead, be also conducive to improving the entity shaping quality of three-dimensional printer.
Accompanying drawing explanation
Fig. 1 is the structure iron of existing three-dimensional printer.
Fig. 2 is the structure iron of three-dimensional printer first embodiment of the present invention.
Fig. 3 is the structure iron driving head, printhead and shifter in three-dimensional printer first embodiment of the present invention.
Fig. 4 is the exploded view driving head, printhead and shifter in three-dimensional printer first embodiment of the present invention.
Fig. 5 is the structural representation driving head, printhead and shifter in three-dimensional printer first embodiment of the present invention.
Fig. 6 is the structure iron of three-dimensional printer of the present invention 2nd embodiment.
Fig. 7 is the part-structure figure of printhead, shifter and protector in three-dimensional printer of the present invention 2nd embodiment.
Fig. 8 is the partial exploded view of protector in three-dimensional printer of the present invention 2nd embodiment.
Fig. 9 is the structural representation driving head, printhead, shifter and protector in three-dimensional printer of the present invention 2nd embodiment.
Figure 10 is the connection diagram of printhead, protector and cleaning device in three-dimensional printer of the present invention 2nd embodiment.
Figure 11 is the local principle schematic of cleaning device in three-dimensional printer of the present invention 3rd embodiment.
Figure 12 is the local principle schematic of cleaning device in three-dimensional printer of the present invention 4th embodiment.
Below in conjunction with drawings and Examples, invention is described further.
Embodiment
Three-dimensional printer first embodiment:
With reference to Fig. 2, Fig. 2 is the structure iron of three-dimensional printer 3, three-dimensional printer 3 comprises four printheads 31, four shifters 39 and printing box erecting frame 32, print in box erecting frame 32 and multiple printing box 321 is installed, print box 321 and by its discharge port, the consumptive material 322 held in it is provided to printhead 31 respectively, this consumptive material 322 can be solid-state thread consumptive material, consumptive material also can be pulverous, the form such as liquid, the structure of the printing box holding different shape consumptive material is different, three-dimensional printer 3 is described by the present embodiment to be equipped with the printing box of solid-state thread consumptive material. four shifters 39 are arranged on the one end printing box erecting frame 32, and each shifter can install a printhead 31.
Three-dimensional printer 3 also comprises mobile framework 33, balladeur train 34, base plate 36, molding seat 37 and driving 38, mobile framework 33 can move up and down along screw rod 35, balladeur train 34 can move left and right in the plane that mobile framework 33 is determined, and drive 38 to be arranged on balladeur train 34 and can move forward and backward along balladeur train 34, thus carry out being connected with printhead 31 by driving 38 and then on the molding seat 37 being arranged on base plate 36, print out 3D solid 371.
Structure iron and the exploded view of driving 38, printhead 31 and shifter 39 it is respectively with reference to Fig. 3 and Fig. 4, Fig. 3 and Fig. 4. Driving 38 comprises base portion 381 and is arranged on the installation portion 382 above base portion 381, a platform 385 for being positioned by printhead 31 is formed between base portion 381 and installation portion 382, a through hole 384 has radially penetratingly been offered in base portion 381, by utilizing, balladeur train 34 is installed on balladeur train 34 through through hole 384 in driving 38, and driving 38 back and forth can be slided along balladeur train 34. Be provided with the magnetic devices 383 as coupling device at the middle part in installation portion 382, magnetic devices 383 can be the electro-magnet become by electric wire around iron core, and be formed with the outer wall of outer convex arc in installation portion 382.
Printhead 31 comprises the feed end 311 in printhead 31 upper end, in the discharge end 312 of printhead 31 times ends and the main body 314 between feed end 311 and discharge end 312. Feed end 311 is offered opening for feed 315, in the consumptive material cavity that the consumptive material 322 printing box 321 is surrounded by main body 314 by being input to from opening for feed 315. Being formed with a discharge port 313 bottom at discharge end 312, discharge port 313, for being sprayed by the consumptive material in consumptive material cavity, forms 3D solid then. The outer wall 316,317 of indent arc it is formed with respectively in the both sides of main body 314.
Shifter 39 comprises installation portion 391 and is arranged on the guide rod 392 of the lower section in installation portion 391, magnetic devices 393 as coupling device is installed in the end in installation portion 391, magnetic devices 393 can be the electro-magnet become by electric wire around iron core, and the end being provided with magnetic devices 393 is formed with the outer wall of outer convex arc. The other end in installation portion 391 is used for being fixed on printing box erecting frame 32.
With reference to Fig. 5 composition graphs 3, Fig. 5 be drive 38, phantom view when printhead 31 and shifter 39 cooperatively interact. Owing to magnetic devices 383 and magnetic devices 393 are the device having and can producing magnetic, so make the main body 314 of printhead 31 of the material that can be attracted magnetically, or it is fixed on the position of main body 314 correspondence with the material that can be attracted magnetically, and in the present embodiment, the outer wall 316,317 of main body 314 all adopts the metal that can be attracted magnetically to be made.
When magnetic devices 383 produces magnetic time, the magnetic produced by magnetic devices 383 is adsorbed by outer wall 316, simultaneously owing to outer wall 316 and installation portion 382 have corresponding arc outer wall, so the arc outer wall in outer wall 316 and installation portion 382 contacts with each other, thus driving 31 is installed on platform 385 smoothly, and completes driving and it is connected between 38 with printhead 31. When magnetic devices 383 does not produce magnetic, outer wall 316 will no longer be attracted by magnetic devices 383 so that printhead 31 can from driving 38 separation.
When magnetic devices 393 produces magnetic time, the magnetic produced by magnetic devices 393 is adsorbed by outer wall 317, simultaneously owing to outer wall 317 and installation portion 391 have corresponding arc outer wall, so the arc in outer wall 317 and installation portion 391 contacts with each other, thus driving 31 is installed in installation portion 391 smoothly, and complete to be connected between shifter 39 with printhead 31. When magnetic devices 393 does not produce magnetic, outer wall 317 will no longer be attracted by magnetic devices 393 so that printhead 31 can be separated from shifter 39.
With reference to Fig. 1, owing to multiple printhead 31 is installed on shifter 39 by startup magnetic devices 393 in an initial condition, when three-dimensional printer 3 works, need by moving framework 33, balladeur train 34 and driving 38 cooperation each other, driving head is moved to required printhead place, and the relative position that the arc outer wall utilizing outer wall 316 and installation portion 382 cooperatively interacts and fixes driving between 38 and printhead 31, subsequently by control magnetic devices 383, make magnetic devices 383 produce magnetic, and complete the connection of driving between 38 and printhead 31. Subsequently, the magnetic devices 393 of control correspondence makes it not produce magnetic, thus printhead 31 can be separated from shifter 39. Finally, by the movement of the mobile drive printhead 31 of driving 38, thus realize on molding seat 37, print out 3D solid 371. When needing the different printhead 31 of switching to carry out three-dimensionally shaped, drive printhead 31 is returned in corresponding shifter 39 by driving 38, by starting magnetic devices 393 and close magnetic devices 383, thus printhead 31 is returned to shifter 39 position, then driving 31 carries out the switching of different printhead by moving to different printheads 31, the consumptive material that different colours is housed by different printhead, thus realize on molding seat 37, beat printed color 3D solid 371.
Three-dimensional printer the 2nd embodiment:
On the basis of three-dimensional printer 3 first embodiment, three-dimensional printer 3 can also be separately installed with four protectors 4 on the guide rod 392 of the lower section of four shifters 39. With reference to Fig. 7 and Fig. 8; protector 4 comprises housing 41; the side of housing 41 is formed through an open holes 411; open holes 411 is sleeved in guide rod 392; and between the fixing portion 394 arranged below housing 41 and guide rod 392, spring 42 is set, by spring 42 for protector 4 provides reset power. Protector 4 also comprises polishing piece 43, attemperator 45 and covers part 44. Polishing piece 43 is made by rubber-like or polyolefins elastomeric material, and has offered a slit 431 at the middle part of polishing piece 43. Attemperator 45 is the spring-like insulation device become by metallic substance coiling, by being energized by this attemperator 45, attemperator 45 can be made to send heat. Cover the installation position 442 that part 44 extends to form a polishing piece 43 in the middle downwards, and offer through hole 441 in installation position 442.
With reference to Fig. 9 composition graphs 8, the attemperator installation position 412 that one has bottom tube-like it is formed with in housing 41, when by polishing piece 43, attemperator 45 and cover part 44 be arranged on housing 41 time, attemperator 45 is arranged in this installation position 412, covering part 44 covers above housing 41, and the through hole 441 covering part 44 is positioned at directly over attemperator 45, then polishing piece 43 is installed in installation position 442.
When needing to be protected by the printhead 31 being connected on shifter 39; protector 4 upwards slides along guide rod 392; it is positioned at the discharge port 313 below discharge end 312 first to contact with polishing piece 43; then discharge end 312 is through slit 431; by the shrink-fit of discharge end 312 with slit 431 so that the remaining consumptive material on discharge port 313 can be walked by slit 431 wiping. Discharge end 312 arrives in installation position 412 through through hole 441 subsequently, owing to installation position 412 is provided with the attemperator 45 of spring-like, attemperator 45 is sleeved on outside discharge end 312, and when attemperator 45 heating power, under can preventing discharge end 312 molten state, consumptive material solidifies.
Three-dimensional printer the 3rd embodiment:
On the basis of three-dimensional printer 3 the 2nd embodiment, three-dimensional printer 3 can also increase cleaning device 5. Cleaning device 5 can adopt application publication number to be the cleaning device disclosed in Chinese invention patent application that CN103317853A is called " print head cleaning device and purging method ". With reference to Figure 10 and Figure 11, the pump 51 of cleaning device 5 is minipump. Pump 51 has air outlet 511 and an inlet mouth 512. Cleaning device 5 also comprises the first pressure release valve 52, first break-make valve 53, the 2nd pressure release valve 54, the 2nd break-make valve 55, baroceptor 56, protecting bin 57, upper cleaning box 58, lower cleaning box 59 and pipe; wherein, this pipe is by being responsible for the 61, first arm 62 and the 2nd arm 63 forms. First end and the air outlet 511 of the first arm 62 are connected, and first end and the inlet mouth 512 of the 2nd arm 63 are connected. Front end, the 2nd end of the first arm 62 and the 2nd end of the 2nd arm 63 of supervisor 61 are connected by tee pipe fitting. First pressure release valve 52 and the first break-make valve 53 are arranged on the first arm 62, and the 2nd pressure release valve 54 and the 2nd break-make valve 55 are arranged on the 2nd arm 63. Baroceptor 56 and protecting bin 57 are arranged on supervisor 61.
Can establishing a hole in the upper end of the feed end 311 of printhead 31, be communicated with the first end of pipe 64 by this hole, the 2nd end of pipe 64 is connected with the lower end of upper cleaning box 58, and the upper end of upper cleaning box 58 is connected with the rear end being responsible for 61.
Connection portion 413 has been offered in bottom in attemperator installation position 412 throughly, and connection portion 413 for sealing is connected the first end of discharge port 313 and pipe 65, and the 2nd end of pipe 65 is immersed in the scavenging solution being contained in lower cleaning box 59.
When printhead 31 is carried out cleaning process, by control pump 51, first pressure release valve 52, first break-make valve 53, the 2nd pressure release valve 54 and the 2nd break-make valve 55 so that negative pressure and malleation alternately occurs in upper cleaning box 58. Applying negative pressure then makes the scavenging solution of lower cleaning box 59 successively by the consumptive material cavity of pipe 65, discharge port 313, discharge end 312, printhead 31, discharge end 311, pipe 64, finally arrives upper cleaning box 58. Then, apply malleation and then make the scavenging solution of cleaning box 58 return the lower cleaning box 59 of arrival along former road, by scavenging solution to the dissolving of consumptive material or decomposition, thus realize the remaining consumptive material to printhead 31 and clean.
Three-dimensional printer the 4th embodiment:
On the basis of three-dimensional printer 3 the 3rd embodiment, cleaning device 5 can also adopt application publication number to be another kind of cleaning device disclosed in CN103317853A Chinese invention patent application. With reference to Figure 12, the pump of cleaning device 7 is the electric cylinder driven by motor 71. Motor 71 upwards can load malleation by cleaning box 78 by rack-and-pinion or worm gear worm drive piston 72 to left movement, and driven plunger 72 moves right and upwards can load negative pressure by cleaning box 78. The lower end of upper cleaning box 78 is communicated with the 2nd end of pipe 64, and the first end of pipe 64 is connected with feed end 311. The remaining consumptive material to printhead 31 can be realized equally by this cleaning device 7 to clean
The Method of printing embodiment of three-dimensional printer:
First to needing, the 3D solid printed carries out cutting process by layer three-dimensional printer, then the information of layered shaping is delivered to plate cutting center, first plate cutting center selects the consumptive material of a kind of color according to instruction subsequently, driving head is moved to the printhead place that this color is housed by three-dimensional printer, it is arranged on the magnetic devices driving head by control, driving head is connected with printhead. Then, by connecting, this printhead thereon is separated shifter, subsequently, drives head to drive printhead to move, and is liquefied by consumptive material by printhead and extrude on molding seat thus print out 3D solid.
When needs switching different colours prints, then need the mobile switching driving head to carry out printhead. Namely first drive head to drive printhead to move on original shifter position, it is arranged on the magnetic devices of shifter by control, shifter is connected with printhead. Subsequently, then control to be arranged on the magnetic devices driving head, it is separated connecting this printhead thereon. Drive head thus realize separation printhead, the printhead place of required color is housed to another by mobile driving head again, again driving head is connected with this printhead, and this printhead is separated by shifter, thus realize the switching to different printhead, and on molding seat, beat the 3D solid of printed color.
When printhead is connected with shifter; the consumptive material being contained in this printhead can be judged by plate cutting center; judge whether this consumptive material also can will be used; when this consumptive material also needs to be used; then move protector to slide along guide rod and be sleeved on outside the discharge end of printhead, and start the attemperator being sleeved on printhead discharge end periphery.
When this consumptive material no longer needs to be used; namely after the consumptive material of this color completes to print; then move protector to slide along guide rod and be sleeved on outside the discharge end of printhead; and start cleaning device; by cleaning device, the remaining consumptive material in printhead is cleaned; wherein, first upper cleaning box is applied negative pressure by the pump of cleaning device, is extracted in upper cleaning box along the consumptive material cavity of discharge port, discharge end, printhead, discharge end successively by the scavenging solution being contained in lower cleaning box. Then upper cleaning box is applied malleation by the pump of cleaning device so that the scavenging solution being contained in cleaning box returns along former road, thus realizes being cleaned by the remaining consumptive material in printhead.
From aforesaid method, by being provided with multiple printhead and multiple shifter being provided with printhead at three-dimensional printer, utilize and drive head to carry out the relatively simple monochrome printhead of choice structure in shifter place by moving to needed for reality, thus it is colored shaping to realize utilizing the simple printhead of structure to realize. After the forming materials of a kind of color, by driving head to drive printhead to move in shifter, again by the connection of shifter and this printhead, and drive head to be separated with this printhead, then the shifter place driving head to be provided with another printhead by moving to another, connects this printhead and continues the shaping of another color. Visible, by driving head to switch different printheads, to realize colored 3D solid shaping, its have structure simple, be easy to control, low cost and other advantages. And by attemperator, polishing piece and cleaning device printhead protected and clean, be conducive to avoiding the accumulation of consumptive material to solidify, result in blockage printhead then.
Last it is emphasized that the present invention is not limited to above-mentioned enforcement mode, as coupling device adopts other such as by the cooperation of locating dowel and pilot hole, such as separable connection all can be realized by modes such as machine riveting cooperations again. The quantity of such as printhead and shifter also thinks that four with first-class again, and these all should be included in the protection domain of the claims in the present invention.
Claims (7)
1. three-dimensional printer, comprises
At least two print box, accommodate consumptive material in each described printing box;
Print box erecting frame, for installing described printing box;
Mobile framework;
Drive head, it is arranged on described mobile framework;
It is characterized in that:
At least two printheads, printhead described in each receives the consumptive material of a described printing box supply, and described printhead is connected with described driving head by the first coupling device separablely;
At least two shifters, shifter described in each by the 2nd coupling device and described printhead separable be connected;
Described first coupling device is arranged on described driving head or on described printhead;
Described 2nd coupling device is arranged on described shifter or on described printhead;
Described first coupling device is the first magnetic devices;
Described 2nd coupling device is the 2nd magnetic devices;
Described printhead is provided with the first installation portion and the 2nd installation portion, and described driving head is provided with the 3rd installation portion, and described shifter arranges the 4th installation portion;
Described first installation portion and described 3rd installation portion have mutually corresponding arc outer wall;
Described 2nd installation portion and described 4th installation portion have mutually corresponding arc outer wall.
2. three-dimensional printer according to claim 1, it is characterised in that:
Described three-dimensional printer also comprises attemperator, and described attemperator is enclosed within the discharge end periphery of described printhead.
3. three-dimensional printer according to claim 1, it is characterised in that:
Described three-dimensional printer also comprises cleaning device, and described cleaning device comprises
Pump;
First pipe, the first end of described first pipe is connected with described pump;
Valve, described valve is arranged on described first pipe, and described valve is for controlling the break-make of described first pipe;
Upper cleaning box, surrounds the cavity for splendid attire scavenging solution, and the upper end of described upper cleaning box and the 2nd termination of described first pipe are led to, and lower end is used for the feed end with described printhead and connects;
2nd pipe, the described first end of the 2nd pipe is connected with the discharge port of described printhead;
Lower cleaning box, is loaded with described scavenging solution, the 2nd end of the 2nd pipe described in described scavenging solution submergence.
4. three-dimensional printer according to claim 1, it is characterised in that:
Described three-dimensional printer also comprises the polishing piece being made up of resilient material, and described polishing piece has offered slit in the middle, the discharge end of described printhead through described slit and with described slit shrink-fit.
5. the Method of printing of three-dimensional printer, described three-dimensional printer comprises at least two and prints box, print box erecting frame, mobile framework, drive head, at least two printheads and at least two shifters, consumptive material is accommodated in described printing box, described printing box erecting frame is for installing described printing box, described driving head is arranged on described mobile framework, printhead described in each receives the consumptive material of a described printing box supply, described printhead is connected with described driving head by the first coupling device separablely, described printhead by the 2nd coupling device separable be connected with described shifter,
It is characterized in that:
Described first coupling device is arranged on described driving head or on described printhead;
Described 2nd coupling device is arranged on described shifter or on described printhead;
Described first coupling device is the first magnetic devices;
Described 2nd coupling device is the 2nd magnetic devices;
Described printhead is provided with the first installation portion and the 2nd installation portion, and described driving head is provided with the 3rd installation portion, and described shifter arranges the 4th installation portion;
Described first installation portion and described 3rd installation portion have mutually corresponding arc outer wall;
Described 2nd installation portion and described 4th installation portion have mutually corresponding arc outer wall;
Described Method of printing comprises:
The printhead being connected with described driving head is moved to a shifter place by described driving head;
Shifter is connected with printhead;
Described driving head is separated with printhead;
Described driving head moves to another printhead place;
Described driving head is connected with printhead;
Shifter is separated with printhead.
6. the Method of printing of three-dimensional printer according to claim 5, it is characterised in that:
Described three-dimensional printer also comprises attemperator, and described attemperator is enclosed within the discharge end periphery of described printhead;
Described three-dimensional printer is after shifter is connected with printhead, and described three-dimensional printer starts described attemperator.
7. the Method of printing of three-dimensional printer according to claim 5, it is characterised in that:
Described three-dimensional printer also comprises cleaning device, described cleaning device comprises pump, first pipe, valve, upper cleaning box, 2nd pipe and lower cleaning box, the first end of described first pipe is connected with described pump, described valve is arranged on described first pipe, described valve is for controlling the break-make of described first pipe, described upper cleaning box surrounds the cavity for splendid attire scavenging solution, the upper end of described upper cleaning box and the 2nd termination of described first pipe are led to, the lower end of described upper cleaning box is used for the feed end with described printhead and connects, the described first end of the 2nd pipe is connected with the discharge port of described printhead, described lower cleaning box is loaded with described scavenging solution, 2nd end of the 2nd pipe described in described scavenging solution submergence,
Described three-dimensional printer is after shifter is connected with printhead, and described Method of printing also comprises
Described upper cleaning box is applied negative pressure by described pump;
When upper cleaning box fills with described scavenging solution, described upper cleaning box is applied malleation by described pump.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410073577.5A CN103786347B (en) | 2014-02-28 | 2014-02-28 | Three-dimensional printer and Method of printing thereof |
| PCT/CN2015/073389 WO2015127901A1 (en) | 2014-02-28 | 2015-02-28 | 3d printer and printing method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410073577.5A CN103786347B (en) | 2014-02-28 | 2014-02-28 | Three-dimensional printer and Method of printing thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103786347A CN103786347A (en) | 2014-05-14 |
| CN103786347B true CN103786347B (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410073577.5A Active CN103786347B (en) | 2014-02-28 | 2014-02-28 | Three-dimensional printer and Method of printing thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103786347B (en) |
| WO (1) | WO2015127901A1 (en) |
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| CN103786347B (en) * | 2014-02-28 | 2016-06-01 | 珠海天威飞马打印耗材有限公司 | Three-dimensional printer and Method of printing thereof |
| CN104085107B (en) * | 2014-06-26 | 2016-09-28 | 珠海天威飞马打印耗材有限公司 | Three-dimensional printer, the Method of printing of three-dimensional printer and printing equipment thereof |
| CN104191610B (en) * | 2014-07-24 | 2017-04-19 | 合肥斯科尔智能科技有限公司 | Three-dimensional printer with cleanable injecting head |
| CN104149350A (en) * | 2014-08-19 | 2014-11-19 | 珠海天威飞马打印耗材有限公司 | Three-dimensional printer with formed material detection function and printing method thereof |
| WO2016057028A1 (en) * | 2014-10-08 | 2016-04-14 | Hewlett-Packard Development Company, L.P. | Additive manufacturing device |
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| CN104890243B (en) * | 2015-06-09 | 2017-02-01 | 珠海天威飞马打印耗材有限公司 | Printing head, three-dimensional printer and three-dimensional printing method |
| CN105729799A (en) * | 2015-08-06 | 2016-07-06 | 宁夏共享模具有限公司 | 3D printing equipment with printing head protection device, and use method thereof |
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| CN103786347B (en) * | 2014-02-28 | 2016-06-01 | 珠海天威飞马打印耗材有限公司 | Three-dimensional printer and Method of printing thereof |
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2014
- 2014-02-28 CN CN201410073577.5A patent/CN103786347B/en active Active
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2015
- 2015-02-28 WO PCT/CN2015/073389 patent/WO2015127901A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN103786347A (en) | 2014-05-14 |
| WO2015127901A1 (en) | 2015-09-03 |
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Effective date of registration: 20220915 Address after: Room 103-036, 1st Floor, Building 1, No. 18, Futian Road, Xiangzhou District, Zhuhai City, Guangdong Province, 519000 (centralized office area) Patentee after: Zhuhai Tianwei Additives Co.,Ltd. Address before: 519060 Guangdong province Zhuhai Nanping Science and Technology Industrial Park, ping North Road No. 32 Patentee before: PRINT RITE UNICORN IMAGE PRODUCTS Co.,Ltd. OF ZHUHAI |
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