CN105643927A - Printing head of 3D printer - Google Patents
Printing head of 3D printer Download PDFInfo
- Publication number
- CN105643927A CN105643927A CN201410725050.6A CN201410725050A CN105643927A CN 105643927 A CN105643927 A CN 105643927A CN 201410725050 A CN201410725050 A CN 201410725050A CN 105643927 A CN105643927 A CN 105643927A
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- feed
- pipe
- printer
- heating unit
- printing material
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Abstract
The invention discloses a printing head of a 3D printer. The printing head comprises a feeding pipe (1), a heating element (2), a spray head (4), a nozzle (3), a feed element (5), a processor connected with the heating element (2) and the feed element (5) and a controller (7) connected with the processor (6). The feeding pipe (1) comprises an upper cylindrical hole (11), a middle cone-cylinder-shaped hole (12) and a lower cylindrical buffer hole (13), the spray head (4) is mounted at the tail end of the lower cylindrical buffer hole (13), the nozzle (3) is connected with the lower cylindrical buffer hole (13) in a through manner, and the inner diameter of the lower cylindrical buffer hole (13) is larger than that of the middle cone-cylinder-shaped hole (12). Printing materials of the printing head cannot block the interior of the feeding pipe, the problem that due to the fact that circular column design is adopted in a feeding pipe, blocking is caused, and the printing materials cannot be fed forwards is solved, and the work efficiency of the printer is greatly improved; and the structure is simple, and implementation is easy.
Description
Technical field
The present invention relates to a kind of 3D and print equipment, in particular to a kind of 3D printer port of printer.
Background technology
3D printer is based on a kind of digital model file, use powdery metal or the plastics etc. can jointing material, the technology of constructed object is carried out by the mode printed by layer, past, its field such as Making mold, industrial design of being everlasting was used to modeling, existing just gradually for the direct manufacture of some products.
3D printing technique, it is design model as source taking Computerized three-dimensional, discrete and the numerical control molding system by software hierarchy, the mode such as laser beam, hot melt-blown mouth is utilized to be undertaken exotic materialss such as metal-powder, ceramic powder, plastics, cell tissues piling up by layer cohering, final superposition is shaping, produces entity products. 3D prints and 3D solid turns into some two dimensional planes, produces by adding to material processing and by stacking, greatly reduces the complexity of manufacture. This kind of Digitized manufacturing pattern directly just can generate the part of any shape from computer graphics data. When 3D prints, software completes a series of digital slices by CAD technology (CAD), and is sent on 3D printer by these information cut into slices, and slim for continuous print aspect can be stacked up by the latter, until a solid body is shaping. The form of stacking thin layer has varied. Some 3D printer uses the mode of " ink-jet ". Such as, the 3D printer company of Israel of an Objet by name uses 3D printer head by one layer of extremely thin liquid plastic substance spray on mold pallet, this coating processes under being then placed in ultraviolet, and mold pallet declines minimum distance afterwards, stacking comes up for next layer. The company Stratasys that other general headquarters are positioned at Minneapolis city of the U.S. uses one to be called the technology of " fused deposition modeling ", and whole flow process is molten plastic in shower nozzle, then just forms thin layer by depositing the mode of plastic optical fibre. Also having some systems to use powder particle as print media, powder particle is sprayed forms one layer of extremely thin powder bed on mold pallet, is then cured by the fluid binder sprayed. The technology founding that it can also use one to be called " laser sintered " becomes designated shape.
With the tradition maximum difference of 3D printer, 3D printer is that " ink " that it uses is starting material true.These starting material are fusing after heating, and is cooled to solid-state from the printhead shower nozzle of 3D printer after ejection, and the process of whole printing is exactly starting material also success cooling on model that shower nozzle constantly sprays liquid according to program, and the solid finally obtaining 3D is in kind. Current 3D prints equipment can only continue charging and can not suspend easily when equipment work, otherwise the printing material being heated to soften easily is hardened in feed-pipe and blocks feed-pipe, this just needs user can only carry out print job continuously, and cannot stop over. Thus, it is not the user that non-Changshu is practiced that 3D prints operation of equipment, also cannot carry out thinking deeply and judging according to printing on-the-spot particular case in print procedure, cannot suspend print job yet and prepare accordingly.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided a kind of material that prints can not block in material reducing pipe, structure is very simple, the 3D printer port of printer easily realized, the circular columns solving conventional 3D printer relates to and resulting in blockage, make to print material cannot the problem of feeding forward, substantially increase the working efficiency of printer.
It is an object of the invention to be achieved through the following technical solutions: a kind of 3D printer port of printer, comprise feed-pipe, heating unit, shower nozzle and be arranged on the nozzle of shower nozzle inside, feed component, the treater being connected with feed component with heating unit and the controller being connected with treater; Feed-pipe comprises cylindrical upper bore, bores cylindrical middle hole and cylindrical buffer lower opening, and the end of cylindrical buffer lower opening installs shower nozzle, and nozzle is connected with cylindrical buffer lower opening is through, and the interior diameter of cylindrical buffer lower opening is greater than the interior diameter boring cylindrical middle hole; Feed component is used for as the feeding in feeding feed-pipe prints material, and heating unit is for being heated to soften by the printing material in the feed-pipe of its inside, and heating unit is also for being incubated softening printing material according to insulation signal.
Further, heating unit is according to being incubated signal the first temperature that the printing material in feed-pipe is heated to soften intermittently to be worked, or carries out routinely or intermittently working with the 2nd temperature, and described 2nd temperature is less than the first temperature.
Further, the printhead of the present invention also comprises organic shell, and it is inner that described feed-pipe, heating unit, feed component and treater are arranged on described machine shell, and controller is arranged on the outside of described machine shell.
The invention has the beneficial effects as follows:
1, feed-pipe adopts cylindrical upper bore, bore the design of cylindrical middle hole and cylindrical buffer lower opening, making to print the crowded masterpiece of mass expanded is used on taper hole wall, hole wall is given along its downward inclination at an angle in surface and is printed material surface reactive force F, not only reduce the frictional force printing between material and hole wall and being formed, and downward directed force F is conducive to printing the conveying of material to cylindrical buffer lower opening, can not result in blockage in hole, the circular columns solving conventional 3D printer relates to and resulting in blockage, making to print material cannot the problem of feeding forward, substantially increase the working efficiency of printer, and structure is very simple, easily realize,
2, the control of feed component and heating unit is realized by controller, the feeding printing material can be suspended, and by the intermittent work of heating unit, or work with lower constant temperature, so that softening printing material is incubated, make the printing material softened to be hardened in because of temperature decrease in feed-pipe and block feed-pipe, and, when continuing to print after the dwell, the printing material being always in soft state in feed-pipe can be utilized to print immediately, and do not need to wait printing equipment and the printing material that wherein retains from room temperature or is significantly lower than the temperature printing material softening carries out heating again to soften the printing being hardened in feed-pipe material, eliminate the waiting time continuing to print, improve working efficiency,
3, the interior diameter of cylindrical buffer lower opening is adopted to be greater than the design of the interior diameter boring cylindrical middle hole so that cylindrical buffer lower opening has better buffering and deposits material effect.
Accompanying drawing explanation
Fig. 1 is the print head structure schematic diagram of the present invention;
Description of reference numerals: 1-feed-pipe, 11-cylindrical upper bore, 12-bores cylindrical middle hole, 13-cylindrical buffer lower opening, 2-heating unit, 3-nozzle, 4-shower nozzle, 5-feed component, 6-treater, 7-controller.
Embodiment
The technical scheme of the present invention is described further below in conjunction with accompanying drawing, to the present invention, how utilisation technology means carry out technical solution problem whereby, and the process that realizes reaching technique effect can fully understand and implement according to this. Each feature in the embodiment of the present application and embodiment, be combineding with each other under prerequisite of not conflicting mutually, all within protection scope of the present invention.
As shown in Figure 1, a kind of 3D printer port of printer, comprises feed-pipe 1, heating unit 2, shower nozzle 4 and is arranged on the nozzle 3 of shower nozzle 4 inside, feed component 5, the treater being connected with feed component 5 with heating unit 2 and the controller 7 being connected with treater 6, feed-pipe 1 comprises cylindrical upper bore 11, bore cylindrical middle hole 12 and cylindrical buffer lower opening 13, the end of cylindrical buffer lower opening 13 installs shower nozzle 4, nozzle 3 is connected with cylindrical buffer lower opening 13 is through, by such design, make to print material in the cylindrical middle hole 12 of cone after expanded by heating, squeezing masterpiece when printing mass expanded is used on taper hole wall, hole wall is given along its downward inclination at an angle in surface and is printed material surface reactive force F (as shown in Figure 1), not only reduce the frictional force printing between material and hole wall and being formed, and downward directed force F is conducive to printing the conveying of material to cylindrical buffer lower opening 13, can not result in blockage in hole, the circular columns solving conventional 3D printer relates to and resulting in blockage, making to print material cannot the problem of feeding forward, substantially increase the working efficiency of printer, and structure is very simple, easily realize. having buffering preferably to make cylindrical buffer lower opening 13 and deposit material effect, the interior diameter R1 of cylindrical buffer lower opening 13 is greater than the interior diameter R2 boring cylindrical middle hole 12,
Feed component 5 is for printing material for the feeding in feeding feed-pipe 1, and heating unit 2 is for being heated to soften by the printing material in the feed-pipe 1 of its inside, and heating unit 2 is also for being incubated softening printing material according to insulation signal. When controller 7 is operated, treater 6 sends to feed component 5 and stops feeding signal and send insulation signal to heating unit 2, and according to stopping, feeding signal stops the printing material in feeding feed-pipe 1 to feed component 5; Softening printing material is incubated by heating unit 2 according to insulation signal.
Described heating unit 2 is according to being incubated signal the first temperature that the printing material in feed-pipe 1 is heated to soften intermittently to be worked, or carries out routinely or intermittently working with the 2nd temperature, and described 2nd temperature is less than the first temperature. Heating unit 2 is arranged on the periphery of feed-pipe 1, printing material in feed-pipe 1 is promoted lasting movement in feed-pipe 1 by the follow-up printing material promoted through feed component 5, and extremely softening with the heating temperatures of the first temperature or higher than the first temperature by heating unit 2 in feed-pipe 2. Heating unit 2 is set to carry out work with the first temperature, to be heated to soften to the printing material through feed-pipe 2.Wherein, this first temperature is higher than the softening temperature of this printing material, ensure that printing material can be softened when through feed-pipe 1, and the printing material being softened is being pushed in shower nozzle 4, and when being extruded (also have and be referred to as ejection) from nozzle 3, still it is in the state being softened, then contacts air or other cooling gases, lower the temperature rapidly and harden.
Also comprising organic shell, it is inner that described feed-pipe 1, heating unit 2, feed component 5 and treater 6 are arranged on described machine shell, and controller 7 is arranged on the outside of described machine shell.
As shown in Figure 1, printing equipment for family expenses rank, commercial rank or other 3D of technical grade, feed component 5 is successively set on feed-pipe 1 with heating unit 2 along the feeding direction printing material, and heating unit 2 is between feed component 5 and shower nozzle 4. The printing material being fed into feed-pipe 1 from outside can be such as the printing consumables such as ABS filament, PLA filament or wax silk, it is also possible to is that chocolate waits food raw material; Or, it is also possible to it is the printing consumables of powder shape or particulate state, food raw material etc. Feed component 5 is placed through extruding or clamping prints material, drives the printing material in feed-pipe 1 routinely to move, printing material is carried out feeding endlessly.
Between controller 7 and treater 6 can transmission of electric signals, when this controller 7 is operated, when being such as pressed as a button or accept that automatically control is triggered, the circuit between controller 7 and treater 6 is connected, and sends electrical signal to treater 6. Treater 6, after receiving this electrical signal that controller 7 sends, sends to feed component 5 and stops feeding signal. After feed component 5 receives this stopping feeding signal that this treater 6 sends, stop according to this stopping feeding signal driving the printing material in feed-pipe 1 to continue feeding. When applying, user can stop feed component 5 by this controller 7 and continue feeding printing material.
The those of ordinary skill of this area, it will be appreciated that embodiment described here is the principle in order to help reader understanding the present invention, should be understood to that protection scope of the present invention is not limited to such special statement and embodiment. The those of ordinary skill of this area can make various other various concrete distortion and combination of not departing from essence of the present invention according to these technology disclosed by the invention enlightenment, and these distortion and combination are still in protection scope of the present invention.
Claims (3)
1. a 3D printer port of printer, it is characterised in that: comprise feed-pipe (1), heating unit (2), shower nozzle (4) and be arranged on the inner nozzle (3) of shower nozzle (4), treater that feed component (5) is connected with feed component (5) with heating unit (2) and the controller (7) that is connected with treater (6); Feed-pipe (1) comprises cylindrical upper bore (11), bores cylindrical middle hole (12) and cylindrical buffer lower opening (13), the end of cylindrical buffer lower opening (13) installs shower nozzle (4), nozzle (3) is connected with cylindrical buffer lower opening (13) is through, and the interior diameter of cylindrical buffer lower opening (13) is greater than the interior diameter boring cylindrical middle hole (12); Feed component (5) is for printing material for the feeding in feeding feed-pipe (1), heating unit (2) is for being heated to soften by the printing material in the feed-pipe of its inside (1), and heating unit (2) is also for being incubated softening printing material according to insulation signal.
2. 3D printer port of printer according to claim 1, it is characterized in that: described heating unit (2) is according to being incubated signal the first temperature that the printing material in feed-pipe (1) is heated to soften intermittently to be worked, or carrying out routinely or intermittently working with the 2nd temperature, described 2nd temperature is less than the first temperature.
3. 3D printer port of printer according to claim 1, it is characterized in that: also comprise organic shell, it is inner that described feed-pipe (1), heating unit (2), feed component (5) and treater (6) are arranged on described machine shell, and controller (7) is arranged on the outside of described machine shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410725050.6A CN105643927A (en) | 2014-12-03 | 2014-12-03 | Printing head of 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410725050.6A CN105643927A (en) | 2014-12-03 | 2014-12-03 | Printing head of 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105643927A true CN105643927A (en) | 2016-06-08 |
Family
ID=56480775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410725050.6A Withdrawn CN105643927A (en) | 2014-12-03 | 2014-12-03 | Printing head of 3D printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105643927A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106626389A (en) * | 2017-03-06 | 2017-05-10 | 武汉中天元科技有限公司 | All-metal 3D (three-dimensional) printing hot end based on fused deposition modeling |
| US11230055B2 (en) | 2016-10-07 | 2022-01-25 | Hewlett-Packard Development Company, L.P. | Additive manufacturing system fluid ejector |
-
2014
- 2014-12-03 CN CN201410725050.6A patent/CN105643927A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11230055B2 (en) | 2016-10-07 | 2022-01-25 | Hewlett-Packard Development Company, L.P. | Additive manufacturing system fluid ejector |
| CN106626389A (en) * | 2017-03-06 | 2017-05-10 | 武汉中天元科技有限公司 | All-metal 3D (three-dimensional) printing hot end based on fused deposition modeling |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C04 | Withdrawal of patent application after publication (patent law 2001) | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160608 |