CN105584046A - 3D printer and 3D printing method - Google Patents

3D printer and 3D printing method Download PDF

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Publication number
CN105584046A
CN105584046A CN201511008787.7A CN201511008787A CN105584046A CN 105584046 A CN105584046 A CN 105584046A CN 201511008787 A CN201511008787 A CN 201511008787A CN 105584046 A CN105584046 A CN 105584046A
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CN
China
Prior art keywords
printing
printer
printed
extruded tube
nozzle
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201511008787.7A
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Chinese (zh)
Inventor
赵弘
赵毅鑫
侯朝中
张毅然
吴婷婷
张岩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China University of Petroleum Beijing CUPB
Original Assignee
China University of Petroleum Beijing CUPB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China University of Petroleum Beijing CUPB filed Critical China University of Petroleum Beijing CUPB
Priority to CN201511008787.7A priority Critical patent/CN105584046A/en
Publication of CN105584046A publication Critical patent/CN105584046A/en
Pending legal-status Critical Current

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Abstract

The invention provides a 3D printer and a 3D printing method. The 3D printer comprises an extrusion device, a printing material stirring device and a vacuumizing device. The extrusion device comprises an extrusion drum, a nozzle, a piston movably arranged in an inner cavity of the extrusion drum, and a driving device connected with the piston. The vacuumizing device is connected with the printing material stirring device. The 3D printing method comprises the following steps that A, a printing material(rock-like material) needing to be printed is put into the printing material stirring device; B, then the printing material stirring device is vacuumized, and the vacummized printing material is input into the extrusion drum; C, the rock-like material in the extrusion drum is pushed by the piston to be extruded from the nozzle and printed onto a printing platform. The 3D printer and the 3D printing method can avoid the influence of air and water on the printing material, prevent bubbles in the printing process, and guarantee the printing precision and quality and internal quality of printing forming products.

Description

3D printer and 3D Method of printing
Technical field
The present invention relates to 3D and print field, be specifically related to a kind of 3D printer and 3D Method of printing.
Background technology
The known 3D printing technique of people is to come across the mid-90 in 20th century the earliest, but owing to manufacturing at that time valencyLattice are more expensive, and technology is relatively not overripened yet, so early stage 3D printing technique is not promoted and passed through widelyThe development of more than 20 year, 3D technology more ripe, control also more accurately, and manufacturing cost also decreases. CloselyNian Lai, 3D printing technique more and more receives people's concern.
In the field such as geological research, resource exploration, due to the continuous increase of cutting depth, the difficulty that core is got at scene also withIncrease, expect on quality and quantity that all gratifying research sample will bring the loss of huge human and material resources.And root gathers the rock of returning accordingly due to its inner different hole, crackle etc., also will produce result of studyRaw a lot of inevitable errors. So, in present scientific research, more and more favor in using existing resource and technology,Physics, chemical property to rock are carried out emulation reduction, and it is carried out to simulated experiment, and this method is convenient, simple with itBe situated between, safety etc. feature more and more by researcher is accepted, and for field operation provide abundance theoretical reference comply withAccording to.
But at present,, larger for density, the rocks material of growing setting time, also cannot complete 3D and print.
In sum, in prior art, there is following problem: rocks material also cannot complete 3D and print.
Summary of the invention
The invention provides a kind of 3D printer and 3D Method of printing, cannot realize asking of 3D printing to solve rocks materialTopic.
For this reason, the present invention proposes a kind of 3D printer, comprising: extrusion device, and described extrusion device comprises:
Extruded tube, has the inner chamber that holds printed material;
Nozzle, is connected with described extruded tube inner chamber;
Piston, in the mobile inner chamber that is arranged on described extruded tube;
Drive unit, connects described piston;
Described 3D printer also comprises:
Printed material agitating device, connects described extruded tube;
Vacuum extractor, connects described printed material agitating device.
Further, described printed material agitating device comprises: agitator, described vacuum extractor comprises: described in being connected toOn agitator vacuumize tracheae and connect described in vacuumize the vacuum pumping pump of tracheae.
Further, described drive unit is electric push rod, and described 3D printer also comprises: be connected to described printed material and stirMix the conveying pipeline between device and described extruded tube.
Further, described extrusion device also comprises: base, described extruded tube and electric push rod are arranged on described base, instituteState the lower end that nozzle is connected to described extruded tube, described electric push rod is connected to the upper end of described extruded tube.
Further, described 3D printer also comprises: be arranged on the print platform of described nozzle below, and beat described in drivingPrint the mobile device that platform does three-dimensional motion.
Further, described print platform is triangle platform, and described triangle platform has three angle points, described mobile dressPut and comprise: three groups of slide bars, every group of slide bar is connected on an angle point, and every group of slide bar connects respectively a slide bar drive motors,Described 3D printer also comprises: three slide rails, and the corresponding angle point of each slide rail, each angle point slides in corresponding slide rail.
Further, described 3D printer also comprises: the platform drive motors that connects described print platform.
The present invention also proposes a kind of 3D Method of printing, and described 3D Method of printing comprises the following steps:
Steps A: the printed material (rocks material) that will print is put in printed material agitating device;
Step B: then described printed material agitating device is vacuumized, the printed material after vacuumizing is input to extruded tubeIn;
Step C: the rocks material then promoting in extruded tube by piston is extruded from nozzle, prints on print platform.
Further, in described step C, the position of described nozzle is fixed, and described print platform moves, and described inPrint platform can be realized and/or angle adjustment according to actual printing conditions, and/or carries out three-dimensional in the situation that tiltingMobile.
Further, in step B, be 0.1 to 0.3 atmospheric pressure by printed material agitating device.
In 3D print procedure, at printed material from before extruded tube, by extruded tube is vacuumized, make in extruded tube inVacuum state, like this printed material from extruded tube out, can avoid the impact of sky G&W on printed material, preventIn print procedure, there is bubble, the internal soundness of product after the precision that guarantee is printed and the quality of printing and printing shaping.
Brief description of the drawings
Fig. 1 is the structural representation of 3D printer of the present invention;
Fig. 2 is the perspective view of extrusion device of the present invention;
Fig. 3 is the main TV structure schematic diagram of extrusion device of the present invention;
Fig. 4 is mobile device structural representation of the present invention.
Drawing reference numeral explanation:
Electric push rod 6 base 10 extrusion device 20 agitator 30 vavuum pumps of 1 nozzle 2 seal cover 3 piston 4 extruded tube 531 vacuumize tracheae 41 conveying pipelines
71 slide rail 72 slide rail 73 slide rail 81 slide bar 82 slide bar 83 slide bar 91 slide block 92 slide block 93 slide blocks
Detailed description of the invention
Understand for technical characterictic of the present invention, object and effect being had more clearly, now contrast brief description of the drawings the present invention.
As shown in Figure 1, the present invention proposes a kind of 3D printer, comprising: extrusion device 10, as shown in Figures 2 and 3,Described extrusion device 10 comprises:
Extruded tube 4, has the inner chamber that holds printed material, and for holding printed material, printed material is for example rocks materialMaterial, its fusing point higher (fusing point 1300-1400 DEG C), certainly, the present invention is not limited to rocks material, goes forOther printed materials;
Nozzle 1, is connected with described extruded tube inner chamber, and for example nozzle 1 is connected with described extruded tube inner chamber by extruding pipe;
Piston 3, in the mobile inner chamber that is arranged on described extruded tube 4, for the inner chamber from extruded tube 4 by printed materialBe extruded in extruding pipe or be extruded in nozzle 1;
Drive unit, connects described piston 3;
Described 3D printer also comprises:
Printed material agitating device, connects described extruded tube 4, so that printed material stirs, as shown in Figure 1, printsMaterial agitating device is for example agitator 20, and printed material stirs in printed material agitating device, is then transferred to and extrudes dressIn putting;
Vacuum extractor, connects the inner chamber of described extruded tube 4, and vacuum extractor is for example vavuum pump 30, is convenient to vacuumize.
In 3D print procedure, at printed material from before extruded tube, by by printed material agitating device, for example, for stirringMix bucket and vacuumize, make printed material in printed material agitating device in vacuum state, like this at printed material from extruded tubeOut, can avoid the impact of sky G&W on printed material, prevent from occurring ensureing the essence of printing by bubble in print procedureThe internal soundness of product after degree and the quality of printing and printing shaping.
Further, as shown in Figure 1, described printed material agitating device comprises: agitator 20, is arranged on support instituteStating vacuum extractor comprises: be connected on described agitator 20 vacuumize tracheae 31 and connect described in vacuumize tracheaeVacuum pumping pump 30. Described 3D printer also comprises: be connected to described printed material agitating device and described extruded tube 4 itBetween conveying pipeline 41. Conveying pipeline 41 for example can arrange as follows: on piston, open the circular hole of a diameter 4mm, insert oneThe pipe of exhaust, the other end of pipe connects agitator 20, thereby by defeated the printed material after interior agitator 20 Bas DischargedEnter in extruded tube 4.
As shown in Figures 2 and 3, between extruding pipe and described extruded tube 4, be provided with seal cover 2, the effect of seal cover is to ensureIn extruded tube 4, have an environment for sealing relatively, make in the process of printing, printed material is not subject to the impact of extraneous factor,And ensure that the rocks class material in extruded tube does not tilt out. For guaranteeing the sealing of whole device, for guaranteeing whole dressThe sealing of putting, between extruded tube and seal cover, adds O type rubber ring, rubber used between nozzle and center controll blockThe material of circle is silica gel, to ensure that between itself and extruded tube be interference fit. Between described seal cover and extruded tube, adopt spiral shellLine connects, to ensure sealing and intensity, pressure requirement.
Further, as shown in Figures 2 and 3, described drive unit is electric push rod 5, can realize extruded velocity like thisAccurate control. Electricity push rod is the Power Drive Unit of extrusion device, and its inner stepper motor is by subtracting of being made up of gearSpeed mechanism, drives push rod to do straight reciprocating motion, can realize the straight reciprocating motion of piston.
Further, as shown in Figure 1 and Figure 4, described extrusion device also comprises: base 6, described extruded tube 4 and electricity push awayBar 5 is arranged on described base 6, and described nozzle 1 is connected to the lower end of described extruded tube 4, and base 6 is provided with to print and puts downPlatform, for receiving the printed material from nozzle ejection, described electric push rod 5 is connected to the upper end of described extruded tube. Like thisSetting is convenient to printed material and is extruded from extruded tube 4.
Other entities of extrusion device and printer directly in succession or removably connect, are not convenient to unpick and wash cleaning. Described extruded tubeAdopt interference fit with piston, both ensured the sealing of extruded tube inside, the even propelling also realizing, to meet printing essenceThe requirement of degree. The upper end of described electric push rod is made with boss, and leaves screwed hole, is convenient to it and is fixed on frame. Seal coverOne end between be connected with tracheae fast joint, be convenient to the selection to tracheae and replacing under different printing precision, simplified cleaning andAssembling process. Rocks material enters in the conveying pipeline 41 being connected with tracheae fast joint, by moving by extruded tube, seal coverMoving device carries out the accurate control of position to shower nozzle, thereby completes the action of printing.
Further, described 3D printer also comprises: drive described nozzle 1 to do to do on banking motion and/or three-dimensional flatThe mobile device that face moves. Nozzle 1 does banking motion, refers to that nozzle 1 inclines with respect to x axle and/or y axle and/or z axleTiltedly, the angle of nozzle material spray or ejection angle are changed with respect to x axle and/or y axle and/or z axle; Nozzle 1On three-dimensional, do planar movement and refer to that nozzle 1 is keeping in self the isogonal situation of ejection, with respect to x axle,And/or y axle and/or z axle do three-dimensional motion. Like this, not only make nozzle can do three-dimensional motion, and can change material sprayAngle, especially for the printing of rocks material, because the parameters such as the viscosity of rocks material, density, temperature are different from generalLogical printed material, if nozzle vertical direction is vertical, actual ejection angle is steeper, the printed material of ejection has some setbacks on the contraryFreely, by the inclination of nozzle, can make the material spray of rocks material more evenly smooth, print quality is better.
Further, as shown in Figure 4, described 3D printer also comprises: three groups of parallel slide rails, be respectively slide rail 71,73, three groups of parallel slide rails of slide rail 72 and slide rail are arranged on base 6 and form triangular prism shape, described mobile device bagDraw together: three groups of slide bars, be respectively slide bar 81, slide bar 82 and slide bar 83, the bottom of every group of slide bar connects described nozzle 1, everyCan slide in the top of group slide bar on of correspondence group slide rail, can slide in the top of slide bar 81 on slide rail 71, slide barCan slide in 82 top on slide rail 72, can slide in the top of slide bar 83 on slide rail 73. Like this, can be tightlyThe three-dimensional that realizes flexibly nozzle 1 in the space of gathering moves, and can ensure the independent mobile of all directions, and can ensureThe three-dimensional of nozzle 1 moves and can not depart from print range.
Further, every group of slide bar connects a slide block, and every group of slide bar is sliding on one group of slide rail of correspondence by each described slide blockMoving, each described slide block connects respectively a slider-actuated motor. Slide bar 81, slide bar 82 and slide bar 83 difference connection sliding blocks 91,Slide block 92 and slide block 93; Slide block 91, slide block 92 and slide block 93 are respectively on slide rail 71, slide rail 72 and slide rail 73Slide, like this, can ensure the fast moving that nozzle 1 is stable. Every group of slide bar for example comprises two slide bars, and two slide bars divideBe not connected to the both sides of slide block, stressed evenly, mobile stable to ensure nozzle.
The present invention also proposes a kind of 3D Method of printing, and described 3D Method of printing comprises the following steps:
Steps A: the rocks material that will print is put into 4 li of extruded tubes;
Step B: then described extruded tube 4 is vacuumized;
Step C: the rocks material that then promotes 4 li of extruded tubes by piston 3 is extruded from nozzle, print to print flatOn platform. In 3D print procedure, from before extruded tube, by extruded tube is vacuumized, make place in extruded tube at printed materialIn vacuum state, like this printed material from extruded tube out, can avoid the impact of sky G&W on printed material, anti-Only in print procedure, there is bubble, the internal soundness of product after the precision that guarantee is printed and the quality of printing and printing shaping.
Further, make described nozzle realize and/or angle adjustment according to actual printing conditions, and/or the feelings that tiltingUnder condition, on three-dimensional, realize translation. By the inclination of nozzle, can make the material spray of rocks material more evenly smooth,Print quality is better.
Further, in step B, described extruded tube 4 is evacuated to 0.1 to 0.3 atmospheric pressure. Like this, can avoidThe impact of empty G&W on printed material, and in vacuumizing and being controlled to a certain degree, saved the time, save the energy.
In the present invention, realize the design of the extrusion device of rocks file printing by motor and some simple frame for movement,The advantages such as have print structure simple, printing precision is high, and printed material is extensive.
The foregoing is only the schematic detailed description of the invention of the present invention, not in order to limit scope of the present invention. For the present inventionEach part under the condition of not conflicting, can mutually combine, any those skilled in the art, is not departing from the present inventionDesign and the prerequisite of principle under equivalent variations and the amendment done, all should belong to the scope of protection of the invention.

Claims (10)

1. a 3D printer, comprising: extrusion device, it is characterized in that, and described extrusion device comprises:
Extruded tube, has the inner chamber that holds printed material;
Nozzle, is connected with described extruded tube inner chamber;
Piston, in the mobile inner chamber that is arranged on described extruded tube;
Drive unit, connects described piston;
Described 3D printer also comprises:
Printed material agitating device, connects described extruded tube;
Vacuum extractor, connects described printed material agitating device.
2. 3D printer as claimed in claim 1, is characterized in that, described printed material agitating device comprises:Agitator, described vacuum extractor comprises: be connected on described agitator vacuumize tracheae and connect described in take outThe vacuum pumping pump of vacuum tracheae.
3. 3D printer as claimed in claim 2, is characterized in that, described drive unit is electric push rod, instituteStating 3D printer also comprises: be connected to the conveying pipeline between described printed material agitating device and described extruded tube.
4. 3D printer as claimed in claim 2, is characterized in that, described extrusion device also comprises: base,Described extruded tube and electric push rod are arranged on described base, and described nozzle is connected to the lower end of described extruded tube, described electricityPush rod is connected to the upper end of described extruded tube.
5. 3D printer as claimed in claim 4, is characterized in that, described 3D printer also comprises: bandMoving described nozzle makees the mobile device that does planar movement on banking motion and/or three-dimensional.
6. 3D printer as claimed in claim 5, is characterized in that, described 3D printer also comprises: three groupsParallel slide rail, three groups of parallel slide rails form triangular prism shape, and described mobile device comprises: three groups of slide bars, every groupOne end of slide bar connects described nozzle, and the other end of every group of slide bar can slide on of correspondence group slide rail.
7. 3D printer as claimed in claim 6, is characterized in that, every group of slide bar connects a slide block, everyGroup slide bar slides on one group of slide rail of correspondence by each described slide block, and each described slide block connects respectively a slider-actuatedMotor.
8. a 3D Method of printing, is characterized in that, described 3D Method of printing adopts in claim 1 to 7 appoints3D printer described in one, described 3D Method of printing comprises the following steps:
Steps A: the printed material that will print is put in printed material agitating device;
Step B: then, by described printed material agitating device vacuum, the printed material after vacuumizing is input to crowdedGo out in cylinder;
Step C: the rocks material then promoting in extruded tube by piston is extruded from nozzle, prints to printingOn platform.
9. 3D Method of printing as claimed in claim 8, is characterized in that, in described step C, according to realityPrinting conditions makes described nozzle realize and/or angle adjustment, and/or real on three-dimensional in the situation that tiltingExisting translation.
10. 3D Method of printing as claimed in claim 8, is characterized in that, in step B, by described printing materialMaterial agitating device is evacuated to 0.1 to 0.3 atmospheric pressure.
CN201511008787.7A 2015-12-29 2015-12-29 3D printer and 3D printing method Pending CN105584046A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201511008787.7A CN105584046A (en) 2015-12-29 2015-12-29 3D printer and 3D printing method

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Application Number Priority Date Filing Date Title
CN201511008787.7A CN105584046A (en) 2015-12-29 2015-12-29 3D printer and 3D printing method

Publications (1)

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CN105584046A true CN105584046A (en) 2016-05-18

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106978559A (en) * 2017-04-26 2017-07-25 西安工程大学 A kind of method that 3D printing manufactures air-texturing jet
CN109883785A (en) * 2019-02-28 2019-06-14 西安科技大学 A kind of stratiform Embedded defect coal and rock sample preparation device and method based on 3D printing

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203018288U (en) * 2012-12-31 2013-06-26 北京中科同志科技有限公司 Dispenser
CN103753818A (en) * 2014-01-21 2014-04-30 哈尔滨工业大学 Micro sprinkler for manufacturing three-dimensional micro-nano fiber bracket
CN103770334A (en) * 2014-02-08 2014-05-07 河南师范大学 Multicolor 3D (three-dimensional) printer
CN103909268A (en) * 2014-04-19 2014-07-09 张远明 Large-size solid-state free forming printer for metal powder slurry and printing method
CN203901726U (en) * 2014-03-26 2014-10-29 朱兴建 Drive mechanism of 3D (three-dimensional) printer

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203018288U (en) * 2012-12-31 2013-06-26 北京中科同志科技有限公司 Dispenser
CN103753818A (en) * 2014-01-21 2014-04-30 哈尔滨工业大学 Micro sprinkler for manufacturing three-dimensional micro-nano fiber bracket
CN103770334A (en) * 2014-02-08 2014-05-07 河南师范大学 Multicolor 3D (three-dimensional) printer
CN203901726U (en) * 2014-03-26 2014-10-29 朱兴建 Drive mechanism of 3D (three-dimensional) printer
CN103909268A (en) * 2014-04-19 2014-07-09 张远明 Large-size solid-state free forming printer for metal powder slurry and printing method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106978559A (en) * 2017-04-26 2017-07-25 西安工程大学 A kind of method that 3D printing manufactures air-texturing jet
CN109883785A (en) * 2019-02-28 2019-06-14 西安科技大学 A kind of stratiform Embedded defect coal and rock sample preparation device and method based on 3D printing

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Application publication date: 20160518

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