CN107839230A - A kind of three-dimensional printer and its Method of printing - Google Patents

A kind of three-dimensional printer and its Method of printing Download PDF

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Publication number
CN107839230A
CN107839230A CN201711087692.8A CN201711087692A CN107839230A CN 107839230 A CN107839230 A CN 107839230A CN 201711087692 A CN201711087692 A CN 201711087692A CN 107839230 A CN107839230 A CN 107839230A
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CN
China
Prior art keywords
printhead
airflow hole
air
height
flow
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Pending
Application number
CN201711087692.8A
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Chinese (zh)
Inventor
陈静
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Individual
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Individual
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Priority to CN201711087692.8A priority Critical patent/CN107839230A/en
Publication of CN107839230A publication Critical patent/CN107839230A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE 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
    • B33Y30/00Apparatus for additive manufacturing; Details thereof or accessories therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y40/00Auxiliary operations or equipment, e.g. for material handling

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)

Abstract

The invention discloses a kind of three-dimensional printer and its Method of printing.The three-dimensional printer of the present invention includes print platform and printhead;Print platform is used to carry three-dimensional body;Printhead can move relative to print platform, and printhead is used to melting silk extrude in print platform;Wherein, printhead includes tube assembly, heating unit and air-flow feeding mechanism, and heating unit is arranged on the outside of tube assembly, has airflow hole in tube assembly, opening/closing unit is provided with airflow hole, airflow hole is connected with air-flow feeding mechanism.Three-dimensional body is completed after shaping, air-flow feeding mechanism provides malleation air-flow by airflow hole into the melt chamber of printhead, so as to which the residual in it is melted silk gradually by being discharged in printhead, the problem of dismounting printhead can clear up residual melting silk is avoided.

Description

A kind of three-dimensional printer and its Method of printing
Technical field
Technical field of the present invention belongs to 3 D-printing field, more particularly to a kind of residual having in cleaning inner tube Melt the three-dimensional printer and its Method of printing of silk.
Background technology
Three-dimensional printer is that one kind is based on mathematical model, using materials such as plastics or powdery metals, by successively printing Mode form the device of three-dimensional body.
Wherein, a kind of three-dimensional printer is to supply printed material to printhead by the form of silk, and silk is in printhead It is interior be heated after be gradually varied to molten condition, printhead is further in accordance with printhead caused by the controller of three-dimensional printer with respect to base Three-dimensional body is printed in a manner of in layer in the path of bottom movement.
Disclose and be based in the Chinese invention patent application that publication No. is CN105459402A and CN104369385A Melt the structure of three-dimensional printer and the scheme of function of silk printing three-dimensional body.
However, the printhead of the three-dimensional printer of existing this silk type complete three-dimensional body printing after, The silk of melting can be remained in printhead, it is desirable to clear up these obstinate silks, generally require and printhead is dismantled.It is aobvious So, such way needs to expend the more time, and part can be caused to go wrong in assembly.
The content of the invention
In order to solve the deficiency of above-mentioned prior art, the purpose of the present invention is:There is provided a kind of without being to printhead dismounting The three-dimensional printer of the melting silk of residual can be purged to the printhead of three-dimensional printer.Also, present invention also offers A kind of Method of printing of the three-dimensional printer.
The invention thought of the present invention:For printhead after 3 D-printing is completed, its internal easily residual melting silk The problem of, the present invention is provided with an air-flow feeding mechanism, and the opening and closing of airflow hole is controlled by opening/closing unit.Complete three-dimensional After the shaping of object, airflow hole is opened so that air-flow feeding mechanism provides air-flow and passes through airflow hole so that residual in printhead Stay melting silk gradually to be discharged by the shower nozzle of printhead, reach the purpose of cleaning residual melting silk.
A kind of three-dimensional printer, it includes print platform and printhead:Print platform is used to carry three-dimensional body;Printhead It can be moved relative to print platform, printhead is used to melting silk extrude in print platform;Wherein, printhead includes pipe group Part, heating unit and air-flow feeding mechanism, heating unit are arranged on the outside of tube assembly, have airflow hole, air-flow in tube assembly Opening/closing unit is provided with hole, airflow hole is connected with air-flow feeding mechanism.
Beneficial effects of the present invention:After three-dimensional body completes shaping, air-flow feeding mechanism is by airflow hole to printhead Melt chamber in provide malleation air-flow, so as in it residual melt silk gradually by being discharged in printhead, avoid dismounting Printhead can clear up the problem of residual melting silk.
One preferable scheme is that tube assembly includes inner tube, outer tube, and opening/closing unit includes press section, board body part and closing Portion, there is through hole in closure, opening/closing unit in the vertical direction can be moved to the first height and the second height, when opening and closing is single Closure is relative with airflow hole when member is in the first height, and when opening/closing unit is in the second height, through hole is relative with airflow hole.
Further beneficial effect is, opening/closing unit includes three parts, coordinated between these three parts, first Facilitate switching position between height and the second height, it is user-friendly.
Further preferred scheme is that tube assembly includes seal assembly, and seal assembly is used to separate inner tube.
Further beneficial effect is that the top of the inner tube of tube assembly seals every sky, so that in malleation air-flow enters After pipe, the pressure of air-flow can be improved so that the residual melting silk in melter is easier to discharge.
Further preferred scheme is that grasping part is formed between inner and outer tubes, and inner tube includes interior tube space, and air-flow supplies Device, grasping part, airflow hole and interior tube space is answered to be sequentially connected.
The Method of printing of three-dimensional printer provided by the invention, it includes following step:
S1:Printhead forms three-dimensional body on print platform;
S2:Opening/closing unit control airflow hole is converted to open mode by closed state;
S3:Air-flow feeding mechanism supplies malleation air-flow into tube assembly by airflow hole;
S4:Residual melting silk in tube assembly is discharged under the drive of malleation air-flow by the shower nozzle of printhead.
Further preferred scheme is that tube assembly includes inner tube, outer tube, and opening/closing unit includes press section, board body part and envelope Closing part, has through hole in closure, and opening/closing unit in the vertical direction can be moved to the first height and the second height, work as opening and closing Closure is relative with airflow hole when unit is in the first height, through hole and airflow hole phase when opening/closing unit is in the second height It is right;
The Method of printing includes following step:
T1:Printhead forms three-dimensional body on print platform;
T2:User presses press section, and press section drives board body part and closure to be transferred to the second height, airflow hole by the first height Changed by closed state to open mode;
T3:The malleation air-flow that air-flow feeding mechanism provides is passed through in the space of grasping part, airflow hole to inner tube successively;
T4:The residual melting silk of inner tube is discharged under the drive of malleation air-flow by shower nozzle.
Further preferred scheme is that tube assembly includes seal assembly, and seal assembly is used to separate inner tube;The Method of printing Including following step:Y1:Printhead forms three-dimensional body on print platform;
Y2:Seal assembly separates inner tube;Y3:User presses press section, and press section drives board body part and closure high by first Degree is transferred to the second height, and airflow hole is changed to open mode by closed state;Y4:The malleation air-flow that air-flow feeding mechanism provides Pass through successively in the space of grasping part, airflow hole to inner tube;Y5:The residual melting silk of inner tube is under the drive of malleation air-flow Discharged by shower nozzle.
Brief description of the drawings
Fig. 1 is the structural representation of the three-dimensional printer of invention first embodiment.
Fig. 2 is that the structure when airflow hole of the members of the three-dimensional printer of invention first embodiment is closed state is shown It is intended to.
Fig. 3 is the structure when airflow hole of the members of the three-dimensional printer of invention first embodiment is open mode Schematic diagram.
Fig. 4 is the structural representation when members airflow hole of the three-dimensional printer of invention second embodiment is closed state Figure.
Fig. 5 is the structural representation when members airflow hole of the three-dimensional printer of invention second embodiment is open mode Figure.
Wherein, reference is:10th, print platform;20th, printhead;11st, three-dimensional body;21st, tube assembly;22nd, air-flow supplies Answer device;23rd, airflow hole;24th, pipeline;25th, opening/closing unit;26th, shower nozzle;27th, inner tube;28th, outer tube;29th, press section;30th, plate Body portion;31st, closure;32nd, through hole;33rd, grasping part;34th, interior tube space;40th, silk;50th, controller.
Embodiment
First embodiment:
As shown in figure 1, the three-dimensional printer of the present embodiment includes print platform 10 and printhead 20.
Print platform 10 is used to carry three-dimensional body 11.Printhead 20 can move relative to print platform 10, printhead 20 Realize that the independence of three-dimensional is mobile relative to print platform 10, this move mode gives a variety of sides in the prior art Formula, for example, print platform 10 is fixed on a position, printhead 20 can realize the movement on three-dimensional, so that Print to form three-dimensional body 11 the last layer layer of print platform 10.Printhead 20 is used to melting silk extrude in print platform 10 On.
Also, the three-dimensional printer also includes controller 50, controller 50 is controlled with printhead 20 and print platform 10 respectively System connection, controller 50 can control printhead 20 and print platform 10 to move respectively.In addition, work of the silk 40 in drive component Continued under in printhead 20.
As shown in Figures 2 and 3, printhead 20 includes tube assembly 21, heating unit and air-flow feeding mechanism 22, heating unit It is arranged on the outside of tube assembly 21.There is airflow hole 23 in tube assembly 21, opening/closing unit 25, airflow hole are provided with airflow hole 23 23 are connected with air-flow feeding mechanism 22, and air-flow feeding mechanism 22 is by pipeline 24 to the supply air flow of printhead 20.
The Method of printing of the three-dimensional printer of the present embodiment, it includes following step:
S1:Printhead 20 forms three-dimensional body 11 on print platform 10;
S2:Opening/closing unit 25 controls airflow hole 23 to be converted to open mode by closed state, i.e., State Transferring as shown in Figure 2 arrives State shown in Fig. 3;
S3:Air-flow feeding mechanism 22 supplies malleation air-flow by airflow hole 23 into tube assembly 21;
S4:Residual melting silk in tube assembly 21 is discharged under the drive of malleation air-flow by the shower nozzle 26 of printhead 20.
Second embodiment
The 26S Proteasome Structure and Function of the three-dimensional printer of the present embodiment and above-mentioned first embodiment are essentially identical, below only with regard to its difference Place is discussed in detail.
As shown in Figure 4 and Figure 5, the tube assembly 21 of the three-dimensional printer of the present embodiment includes inner tube 27, outer tube 28, and opening and closing is single Member 25 includes press section 29, board body part 30 and closure 31, has through hole 32 in closure 31, opening/closing unit 25 is in vertical direction On can be moved to the first height H1 and the second height H2, closure 31 and air-flow when opening/closing unit 29 is in the first height H1 Hole 23 is relative(State as shown in Figure 4), when opening/closing unit 25 is in the second height H2, through hole 32 is relative with airflow hole 23(Such as State shown in Fig. 5).Thus, grasping part 33 is formed between inner tube 27 and outer tube 28, inner tube 27 includes interior tube space 34, gas Stream feeding mechanism 22, grasping part 33, airflow hole 23 and interior tube space 34 are sequentially connected.
The Method of printing includes following step:
T1:Printhead 20 forms three-dimensional body 11 on print platform 10;
T2:User presses press section 29, and it is high that press section 29 drives board body part 30 and closure 31 by the first height to be transferred to second Degree, airflow hole 23 are changed to open mode by closed state, i.e. State Transferring as shown in Figure 4 is the state shown in Fig. 5;
T3:Air-flow passes through in the space of grasping part 22, airflow hole 23 to inner tube successively for 23 malleation air-flows for answering device to provide;
T4:The residual melting silk of inner tube 27 is discharged under the drive of malleation air-flow by shower nozzle 26.
3rd embodiment
The 26S Proteasome Structure and Function of the three-dimensional printer of the present embodiment and above-mentioned first embodiment are essentially identical, below only with regard to its difference Place is discussed in detail.
The tube assembly of the present embodiment includes seal assembly, and seal assembly is used to separate inner tube.The top of the inner tube of tube assembly Sealed every sky, so that malleation air-flow enters after inner tube, can improve the pressure of air-flow so that the residual in melter melts Fuse material is easier to discharge.
The Method of printing includes following step:
Y1:Printhead forms three-dimensional body on print platform;
Y2:Seal assembly separates inner tube;
Y3:User presses press section, and press section drives board body part and closure to be transferred to the second height, airflow hole by the first height Changed by closed state to open mode;
Y4:The malleation air-flow that air-flow feeding mechanism provides is passed through in the space of grasping part, airflow hole to inner tube successively;
Y5:The residual melting silk of inner tube is discharged under the drive of malleation air-flow by shower nozzle.
In other embodiments, printhead includes the first printhead and the second printhead, wherein, the first printhead is used to beat Moulding material is printed, the second printhead is used to print backing material.When hanging object is printed, the second printhead prints go out branch Timbering material, to form supporting role to three-dimensional body, after three-dimensional body, which prints, to be completed, then need backing material to remove. Three-dimensional printer also includes moving assembly, and moving assembly is connected with the port of the pipeline of air-flow feeding mechanism, and moving assembly is used for Drive port to be moved between interior tube space and grasping part, image capturing device is also provided with port.Moving assembly Including vermiculator(Using the existing device that can realize forward function of wriggling), vermiculator drive pipeline port including Pipe moves, and user can control moving direction and the position of the vermiculator, different so that the port of pipeline is moved to Position, to realize the cleaning of the melting silk to diverse location.Also, image capturing device is provided with, user is observed that State in inner tube, learn the situation of the melting silk of residual in different zones, and then the port by vermiculator pipeline The position of needs is moved to, air-flow feeding mechanism is cleared up local dead angle.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.

Claims (7)

  1. A kind of 1. three-dimensional printer, it is characterised in that including:
    Print platform, for carrying three-dimensional body;
    Printhead, it can be moved relative to the print platform, the printhead is used for melting silk extrusion is flat in the printing On platform;
    Wherein, the printhead includes tube assembly, heating unit and air-flow feeding mechanism, and the heating unit is arranged on the pipe The outside of component, there is airflow hole in the tube assembly, be provided with opening/closing unit on the airflow hole, the airflow hole with it is described Air-flow feeding mechanism connects.
  2. 2. three-dimensional printer according to claim 1, it is characterised in that
    The tube assembly includes inner tube, outer tube, and the opening/closing unit includes press section, board body part and closure, the closure Upper to have through hole, the opening/closing unit in the vertical direction can be moved to the first height and the second height, when the opening and closing is single The closure is relative with the airflow hole when member is in the first height, described logical when the opening/closing unit is in the second height Hole is relative with the airflow hole.
  3. 3. three-dimensional printer according to claim 2, it is characterised in that
    The tube assembly includes seal assembly, and the seal assembly is used to separate said inner tube.
  4. 4. three-dimensional printer according to claim 2, it is characterised in that
    Forming grasping part between said inner tube and the outer tube, said inner tube includes interior tube space, the air-flow feeding mechanism, Grasping part, airflow hole and interior tube space are sequentially connected;
    The three-dimensional printer also includes moving assembly, and the port of the moving assembly and the pipeline of the air-flow feeding mechanism connects Connect, the moving assembly is used to drive the port to move between said inner tube space and the grasping part, the port Place is additionally provided with image capturing device.
  5. 5. the Method of printing of three-dimensional printer according to claim 1, it is characterised in that including following step:
    S1:The printhead forms three-dimensional body on the print platform;
    S2:The opening/closing unit controls the airflow hole to be converted to open mode by closed state;
    S3:The air-flow feeding mechanism supplies malleation air-flow by the airflow hole into the tube assembly;
    S4:Residual melting silk in the tube assembly is arranged under the drive of the malleation air-flow by the shower nozzle of the printhead Go out.
  6. 6. the Method of printing of three-dimensional printer according to claim 5, it is characterised in that
    The tube assembly includes inner tube, outer tube, and the opening/closing unit includes press section, board body part and closure, the closure Upper to have through hole, the opening/closing unit in the vertical direction can be moved to the first height and the second height, when the opening and closing is single The closure is relative with the airflow hole when member is in the first height, described logical when the opening/closing unit is in the second height Hole is relative with the airflow hole;
    The Method of printing includes following step:
    T1:The printhead forms three-dimensional body on the print platform;
    T2:User presses the press section, and the press section drives the board body part and the closure to be shifted by the first height To the second height, the airflow hole is changed to open mode by closed state;
    T3:The malleation air-flow that the air-flow feeding mechanism provides is successively by grasping part, the space of airflow hole to said inner tube It is interior;
    T4:The residual melting silk of said inner tube is discharged under the drive of the malleation air-flow by shower nozzle.
  7. 7. the Method of printing of three-dimensional printer according to claim 6, it is characterised in that
    The tube assembly includes seal assembly, and the seal assembly is used to separate said inner tube;
    The Method of printing includes following step:
    Y1:The printhead forms three-dimensional body on the print platform;
    Y2:The seal assembly separates said inner tube;
    Y3:User presses the press section, and the press section drives the board body part and the closure to be shifted by the first height To the second height, the airflow hole is changed to open mode by closed state;
    Y4:The malleation air-flow that the air-flow feeding mechanism provides is successively by grasping part, the space of airflow hole to said inner tube It is interior;
    Y5:The residual melting silk of said inner tube is discharged under the drive of the malleation air-flow by shower nozzle.
CN201711087692.8A 2017-11-08 2017-11-08 A kind of three-dimensional printer and its Method of printing Pending CN107839230A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711087692.8A CN107839230A (en) 2017-11-08 2017-11-08 A kind of three-dimensional printer and its Method of printing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711087692.8A CN107839230A (en) 2017-11-08 2017-11-08 A kind of three-dimensional printer and its Method of printing

Publications (1)

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CN107839230A true CN107839230A (en) 2018-03-27

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108839337A (en) * 2018-06-27 2018-11-20 南通沃特光电科技有限公司 A kind of 3D printing spray head with plasma processing apparatus, 3D printer
CN109352988A (en) * 2018-09-27 2019-02-19 明阳智慧能源集团股份公司 A kind of blade of wind-driven generator manufacturing method based on 3D printing technique
CN113619117A (en) * 2021-08-03 2021-11-09 周建伟 Unobstructed 3D digital printer that clears up certainly of being convenient for raw materials recovery of pay-off

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202606459U (en) * 2012-06-04 2012-12-19 李娜 Cleaning device for high-pressure water-shooting air pipe
CN104191609A (en) * 2014-07-24 2014-12-10 合肥斯科尔智能科技有限公司 Three-dimensional printer capable of pneumatically cleaning injector head
CN104755244A (en) * 2012-11-15 2015-07-01 韩国生产技术研究院 Mixing head having enhanced mixing performance and discharging device thereof
CN204710808U (en) * 2015-05-07 2015-10-21 天津环通管道清洗有限公司 A kind of high-pressure cleaning device
CN105500715A (en) * 2016-01-12 2016-04-20 无锡职业技术学院 Novel precise 3D printer

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202606459U (en) * 2012-06-04 2012-12-19 李娜 Cleaning device for high-pressure water-shooting air pipe
CN104755244A (en) * 2012-11-15 2015-07-01 韩国生产技术研究院 Mixing head having enhanced mixing performance and discharging device thereof
CN104191609A (en) * 2014-07-24 2014-12-10 合肥斯科尔智能科技有限公司 Three-dimensional printer capable of pneumatically cleaning injector head
CN204710808U (en) * 2015-05-07 2015-10-21 天津环通管道清洗有限公司 A kind of high-pressure cleaning device
CN105500715A (en) * 2016-01-12 2016-04-20 无锡职业技术学院 Novel precise 3D printer

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108839337A (en) * 2018-06-27 2018-11-20 南通沃特光电科技有限公司 A kind of 3D printing spray head with plasma processing apparatus, 3D printer
CN109352988A (en) * 2018-09-27 2019-02-19 明阳智慧能源集团股份公司 A kind of blade of wind-driven generator manufacturing method based on 3D printing technique
CN113619117A (en) * 2021-08-03 2021-11-09 周建伟 Unobstructed 3D digital printer that clears up certainly of being convenient for raw materials recovery of pay-off
CN113619117B (en) * 2021-08-03 2024-01-12 大河数智(泉州)增材技术有限公司 Clear self-cleaning 3D digital printer who is convenient for raw materials to retrieve of pay-off

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Application publication date: 20180327