CN106239922A - A kind of 3D printer head and use the 3D printer of this shower nozzle - Google Patents

A kind of 3D printer head and use the 3D printer of this shower nozzle Download PDF

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Publication number
CN106239922A
CN106239922A CN201610898338.2A CN201610898338A CN106239922A CN 106239922 A CN106239922 A CN 106239922A CN 201610898338 A CN201610898338 A CN 201610898338A CN 106239922 A CN106239922 A CN 106239922A
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CN
China
Prior art keywords
shower nozzle
calandria
printer
printer head
water cooled
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Granted
Application number
CN201610898338.2A
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Chinese (zh)
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CN106239922B (en
Inventor
罗菁
唐力
黄伟
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Chongqing Rongan Medical Equipment Co Ltd
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Chongqing Rongan Medical Equipment Co Ltd
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Priority to CN201610898338.2A priority Critical patent/CN106239922B/en
Publication of CN106239922A publication Critical patent/CN106239922A/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

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

Abstract

The invention provides a kind of 3D printer head and use the 3D printer of this shower nozzle, relating to printing technique field.3D printer head includes shower nozzle upper-part, shower nozzle lower component, rustless steel trunnion and nozzle, and shower nozzle upper-part includes two feed pipes and at least two water cooled pipeline, and each water cooled pipeline spacing at least and between a feed pipe is at below 6mm;Shower nozzle lower component includes the first calandria and the second calandria, first calandria, the second calandria are respectively equipped with one and add hot channel, two spacing added between hot channel are 12~16mm, first calandria and the second calandria are the calandria of aluminium material, two feed pipes are respectively by rustless steel trunnion and two heating pipeline communications, spacing between shower nozzle upper-part and shower nozzle lower component is 3.5~6.5mm, and two add hot channel and all connect with nozzle.The 3D printer head that the present invention provides is when feeding two kinds of printed materials, it is possible to be prevented effectively from the blocking of shower nozzle.

Description

A kind of 3D printer head and use the 3D printer of this shower nozzle
Technical field
The present invention relates to printing technique field, in particular to a kind of 3D printer head and the 3D that uses this shower nozzle Printer.
Background technology
It is a kind of based on mathematical model file that 3D prints, use plastics etc. can jointing material, by successively print Mode carrys out the technology of constructed object.Simple by feat of technique, it is not necessary to machining or mould, it is possible to effectively to shorten the production of product In the cycle, running the advantages such as low with maintenance cost, 3D printing technique is the most gradually widely used in the work such as Making mold, industrial design The primary mold manufacture in industry field, the directly manufacture of some products;The consciousness being the most gradually applied to DIY realizes, and The duplication etc. of toy.
The realization of 3D printing technique depends on 3D printer, and the technology contents of existing 3D printer mainly has: input soft 3D printer is manipulated by part data command, by thread heat-fusible materials heating and melting, solidifies after being extruded by printing head. Spraying from shower nozzle after hot melt material fusing, be deposited on the material of print job deck plate or oneself solidification of preceding layer, temperature is low After solidification temperature, start solidification, form final finished by the accumulation layer by layer of material.
In prior art, there is multiple 3D printer, divide by shower nozzle number, just include single spraying head 3D printer and double shower nozzle 3D printer.Double shower nozzle 3D printers are typically all and arrange to feed bi-material, and when feeding bi-material, just deposit In the problem that successively output prints.At priority melted material, when output prints, generally there is spray in existing pair of shower nozzle 3D printer The problem of head blocking, is also easy to the problem such as material sagging and grazing printout occur.
Summary of the invention
It is an object of the invention to provide a kind of 3D printer head, this 3D printer head when feeding bi-material, The blocking of shower nozzle can be prevented effectively from, it is also possible to effectively avoid the sagging of material and the grazing to printout.
Another object of the present invention is to provide a kind of 3D printer using above-mentioned shower nozzle, this 3D printer is without frequently Shower nozzle is dredged, easy to use, using effect is good.
The present invention solves it and technical problem is that and realize by the following technical solutions.
A kind of 3D printer head, it includes shower nozzle upper-part, shower nozzle lower component, rustless steel trunnion and nozzle, on shower nozzle Parts include two feed pipes and at least two water cooled pipeline, between each water cooled pipeline is at least and between a feed pipe Away from below 6mm;
Shower nozzle lower component includes that the first calandria and the second calandria, the first calandria, the second calandria are respectively equipped with one Individual adding hot channel, two spacing added between hot channel are 12~16mm, and the first calandria and the second calandria are aluminium material Calandria,
Two feed pipes are respectively by rustless steel trunnion and two heating pipeline communications, shower nozzle upper-part and shower nozzle bottom Spacing between part is 3.5~6.5mm, and two add hot channel and all connect with nozzle.
Preferably, in present pre-ferred embodiments, above-mentioned first calandria, the second calandria all include heating element heater, Temperature probe and data acquisition unit, data acquisition unit is connected with temperature probe, for gathering the data from temperature probe, And the data of collection are sent to the control processing means of 3D printer, control processing means defeated according to Data Control heating element heater The temperature level gone out.
Preferably, in present pre-ferred embodiments, above-mentioned heating element heater is heating rod.
Preferably, in present pre-ferred embodiments, each water cooled pipeline spacing at least and between a feed pipe It is 1~5mm.
Preferably, in present pre-ferred embodiments, above-mentioned water cooled pipeline is two, and two water cooled pipelines are respectively used to cold But two feed pipes.
Preferably, in present pre-ferred embodiments, the caliber of above-mentioned water cooled pipeline is 6~8mm.
Preferably, in present pre-ferred embodiments, above-mentioned feed pipe and add the internal diameter of hot channel be 1.9~ 2.1mm。
Preferably, in present pre-ferred embodiments, said nozzle removably connects with shower nozzle lower component.
It addition, a kind of 3D printer, it includes frame, stamp pad and above-mentioned 3D printer head, and stamp pad and 3D beat Print machine shower nozzle is all connected with frame.
Preferably, in present pre-ferred embodiments, above-mentioned 3D printer also includes the water fall in the cold pipeline of water supply The condenser of temperature.
The 3D printer head of the embodiment of the present invention and use the 3D printer of this shower nozzle to provide the benefit that: printed Cheng Zhong, when different raw material threads is respectively after two feed pipes enter, is progressively passed through two and adds in hot channel, shower nozzle lower component The first calandria and the second calandria respectively two raw material threads added in hot channel are heated.And owing to double shower nozzle 3D beat Print machine, in print procedure, is the fusing of wire feed limit, limit, and to keep the smoothness printed, if desired the first raw material thread carries out beating Print, then wire feed the first raw material thread after exporting fusing;If desired the second raw material thread prints, then wire feed output are molten The second raw material thread after change, it is the output material by a nozzle selection.In actual print procedure, a kind of raw material Silk is when fusing prints, and another kind of raw material thread need to keep unfused state.The 3D printer head that the present invention provides has set up two separately Individual calandria, is also provided with water cooled pipeline, between calandria, between calandria and shower nozzle upper-part, the charging of shower nozzle upper-part All carry out distance between pipeline and water cooled pipeline to limit, under the restriction of multiple conditions, the first calandria and the second heating Body can just keep the temperature difference of 2~5 DEG C.When transferring the first calandria heating to, the raw material thread adding in hot channel is made to be in melted State, can be when nozzle flows out, the temperature added in hot channel of the second calandria just adds hot channel than the first calandria Interior temperature is low 2~5 DEG C, and now the second calandria does not heats, and so, has been sent to the raw material thread of the second calandria the most just Feed pipe can be terminated in well and add between hot channel, the most down carrying, and unfused state can be kept.So, Temperature is too high because of outer heat affecting to avoid the feed pipe at raw material thread place that wouldn't use, causes the raw material that wouldn't use Silk melts in advance, causes the later stage cannot continue into silk, results in blockage.
And, the present invention is only provided with a nozzle, during printing, nozzle is exporting the material of demand always, so just Avoid the material that wouldn't use to flow out, sagging phenomenon occurs.And a nozzle is only set, it is also possible to avoid at moving process In, multiple nozzle is set and the grazing to printout that causes.
Further, since the type of cooling that the shower nozzle upper-part of the present invention is arranged is water-cooled rather than air-cooled, so, it is possible to In the case of not changing film-cooled heat, raw material thread is cooled down, and without increasing heat radiation area, thus without adding heat pipe In the case of road, feed pipe size are modified slightly, just change area of dissipation.So, just reduce the degree of difficulty of processing, suitable In commercial production.And water therein can also recycle, saving and environmental protection, cooling effect might as well, it is possible to ensures that 3D prints The long time continuous working of shower nozzle.
Accompanying drawing explanation
For the clearer explanation embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is that the axle of the 3D printer head that the embodiment of the present invention one provides measures intention;
Fig. 2 is the cross-sectional schematic of the 3D printer head that the embodiment of the present invention one provides.
Wherein, reference is summarized as follows:
3D printer head 100;
Shower nozzle upper-part 101;Shower nozzle lower component 102;Rustless steel trunnion 103;Nozzle 104;Feed pipe 105;Water cooling tube Road 106;First calandria 107;Second calandria 108;Add hot channel 109.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is The a part of embodiment of the present invention rather than whole embodiments.Generally implement with the present invention illustrated described in accompanying drawing herein The assembly of example can be arranged with various different configurations and design.
Therefore, detailed description to the embodiments of the invention provided in the accompanying drawings is not intended to limit claimed below The scope of the present invention, but be merely representative of the selected embodiment of the present invention.Based on the embodiment in the present invention, this area is common The every other embodiment that technical staff is obtained under not making creative work premise, broadly falls into the model of present invention protection Enclose.
It should also be noted that similar label and letter represent similar terms, therefore, the most a certain Xiang Yi in following accompanying drawing Individual accompanying drawing is defined, then need not it be defined further and explains in accompanying drawing subsequently.
In describing the invention, it should be noted that term " on ", the orientation of the instruction such as D score or position relationship be base In orientation shown in the drawings or position relationship, or the orientation usually put when this invention product uses or position relationship, only It is for the ease of the description present invention and to simplify description rather than instruction or imply that the device of indication or element must have specifically Orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.Additionally, term " first ", " the Two " etc. it is only used for distinguishing describing, and it is not intended that instruction or hint relative importance.
In describing the invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " arrange ", " connect " and should be interpreted broadly, connect for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected;Can be It is mechanically connected, it is also possible to be electrical connection;Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two The connection of element internal.For the ordinary skill in the art, can understand that above-mentioned term is in the present invention with concrete condition In concrete meaning.
Embodiment one
Figures 1 and 2 show that the 3D printer head 100 that the present embodiment provides, including under shower nozzle upper-part 101, shower nozzle Parts 102, rustless steel trunnion 103 and nozzle 104, shower nozzle upper-part 101 includes two feed pipes 105 and at least two water-cooled Pipeline 106, each water cooled pipeline 106 spacing at least and between a feed pipe 105 is at below 6mm;Shower nozzle lower component 102 Including the first calandria 107 and the second calandria 108, first calandria the 107, second calandria 108 is respectively equipped with a heating Pipeline 109, two spacing added between hot channel 109 are 12~16mm, and the first calandria 107 and the second calandria 108 are The calandria of aluminium material, two feed pipes 105 add hot channel 109 by rustless steel trunnion 103 with two respectively and connect, shower nozzle Spacing between upper-part 101 and shower nozzle lower component 102 is 3.5~6.5mm, and two add hot channel 109 all with nozzle 104 even Logical.
The selection of each member distance, the calandria of aluminium material and the heat conductivility etc. of rustless steel trunnion 103 just can be fitted Answer the demand of 3D printer head.
In the present embodiment, be previously mentioned " each water cooled pipeline 106 spacing at least and between a feed pipe 105 exists Below 6mm ", it is not to calculate with the axial line of pipeline, but with the pipeline edge of water cooled pipeline 106 and feed pipe 105 Pipeline edge between minimum range calculate, as the distance of center circle of two circles independently opened deducts the distance of respective radius. In like manner, two spacing added between hot channel 109 are the most so calculated.
Preferably, each water cooled pipeline 106 spacing at least and between a feed pipe 105 is 1~5mm.This enforcement In example, each water cooled pipeline 106 spacing at least and between a feed pipe 105 is 5mm.This spacing can not only meet beats Print requirement, obtains preferable printing effect, is also easy to processing and manufacturing, reduces manufacture difficulty.
In the present embodiment, water cooled pipeline 106 is two, and two water cooled pipelines 106 are respectively used to cool down two feed pipes 105.Man-to-man setting, it is possible to make the raw material thread in feed pipe 105 preferably be lowered the temperature.One water cooled pipeline 106 with Spacing between one feed pipe 105 is 5mm, and the spacing between another feed pipe 105 is more than 5mm, another water Cold pipeline 106 is also provided so as to.It practice, two water cooled pipelines 106 are connections, a water cooled pipeline 106 is used for intaking, Another water cooled pipeline 106 is for water outlet, it is achieved the flowing of water, so, it is also possible to regard two water cooled pipelines 106 as a water Cold passage.That is, it may also be said to shower nozzle upper-part 101 has only included a water-cooling channel, and this water-cooling channel includes Inlet segment and water exit end, inlet segment and water exit end meet the restriction of above-mentioned distance.The restriction of water cooled pipeline number is only It is easy to narration, as long as feed pipe 105 can be lowered the temperature by the water cooled pipeline arranged, and just meets the restriction of spacing OK.
Wherein, the caliber of water cooled pipeline 106 is 6~8mm, preferably 7mm.Feed pipe 105 and add the interior of hot channel 109 Footpath is 1.9~2.1mm, preferably 2mm.
In the present embodiment, two spacing added between hot channel 109 are 12mm, shower nozzle upper-part 101 and shower nozzle lower component Spacing between 102 is 5mm.Shower nozzle upper-part 101 is the shower nozzle upper-part of aluminium material.
First calandria the 107, second calandria 108 all includes that heating element heater, temperature probe and data acquisition unit are (in figure All do not show), data acquisition unit is connected with temperature probe, for gathering the data from temperature probe, and the data that will gather It is sent to the control processing means of 3D printer, controls the temperature level that processing means exports according to Data Control heating element heater. So, 3D printer arranges control panel, it becomes possible to manipulate raw material thread at control panel adds heat fusing.
Wherein, heating element heater is heating rod.First calandria 107 and the second calandria 108 are near adding hot channel 109 Position, is equipped with a cavity, is used for installing heating rod.Certainly, choosing of heating rod is not intended as limiting, it is also possible to select it His heating element heater, as utilized heater strip to heat.
The present embodiment additionally provides a kind of 3D printer (not shown), and it includes that frame, stamp pad and above-mentioned 3D print Machine shower nozzle 100, stamp pad and 3D printer head are all connected with frame.Owing to 3D printer is prior art, the present invention is main Being that its shower nozzle is made that improvement, this improvement is changed without doing big structure, so at this for the concrete structure of 3D printer Repeat no more.
3D the printer head 100 and 3D printer that the present embodiment provides mainly carries out beating according to fused glass pellet method Print, raw material thread is PLA, ABS etc..
It prints principle: is wrapped on feed roller by raw material thread, motor driven roller rotates, roller and raw material thread it Between frictional force raw material thread is carried toward at the nozzle 104 of 3D printer head 100, between feed roller and shower nozzle, have guiding Set, fairlead uses low-friction material to make, in order to raw material thread can smoothly, be transported to the feed pipe of shower nozzle accurately by feed roller In road 105.Under the effect of calandria, raw material thread is heated melted, is then coated on stamp pad by nozzle 104, and Interface profile is formed after cooling.Owing to fused glass pellet technique needs to make support when prototype simultaneously, so in order to Saving material cost and improve deposition efficiency, the 3D printer of double shower nozzles just enjoys great popularity.
In the present embodiment, feeding system (above-mentioned feed roller, fairlead etc.) has two groups, and two groups of feeding systems are respectively to entering The raw material thread entering two feed pipes 105 carries.
Embodiment two
On the basis of above-described embodiment, present embodiments provide a kind of 3D printer head, this 3D printer head Nozzle 104 removably connects with shower nozzle lower component 102.
The mode removably connected can be replaced in the case of nozzle 104 damages, and without changing whole shower nozzle. In the present embodiment, the mode that nozzle 104 and shower nozzle lower component 102 are threaded connection realizes the purpose removably connected, certainly, This kind is chosen and is not intended as limiting, it is also possible to select the mode that other removably connect, such as clamping.
On the basis of above-described embodiment, the present embodiment additionally provides a kind of 3D printer, and this 3D printer also includes using In the condenser to the water for cooling in water cooled pipeline 106.
Two water cooled pipelines 106 are interconnected by pipe, and are connected with condenser, according to heat exchange principle, utilize cold Condenser realizes heat exchange to water cooled pipeline 106, it is ensured that the water in water cooled pipeline 106 recycles.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies Change, equivalent, improvement etc., should be included within the scope of the present invention.

Claims (10)

1. a 3D printer head, it is characterised in that: include shower nozzle upper-part, shower nozzle lower component, rustless steel trunnion and nozzle, Described shower nozzle upper-part includes two feed pipes and at least two water cooled pipeline, each described water cooled pipeline at least with an institute State the spacing between feed pipe at below 6mm;
Described shower nozzle lower component includes that the first calandria and the second calandria, described first calandria, described second calandria divide Not being provided with one and add hot channel, adding the spacing between hot channel described in two is 12~16mm, described first calandria and described Second calandria is the calandria of aluminium material;
Two described feed pipes are respectively by the described heating pipeline communication of described rustless steel trunnion and two, described shower nozzle top Spacing between part and described shower nozzle lower component is 3.5~6.5mm, adds hot channel and all connect with described nozzle described in two.
3D printer head the most according to claim 1, it is characterised in that: described first calandria, described second heating Body all includes that heating element heater, temperature probe and data acquisition unit, described data acquisition unit are connected with described temperature probe, uses In gathering the data from described temperature probe, and the described data gathered are sent to the control processing means of 3D printer, Described control processing means is according to the temperature level of heating element heater output described in described Data Control.
3D printer head the most according to claim 2, it is characterised in that: described heating element heater is heating rod.
3D printer head the most according to claim 1, it is characterised in that: each described water cooled pipeline at least with an institute Stating the spacing between feed pipe is 1~5mm.
3D printer head the most according to claim 1, it is characterised in that: described water cooled pipeline is two, described in two Water cooled pipeline is respectively used to cool down two described feed pipes.
3D printer head the most according to claim 1, it is characterised in that: the caliber of described water cooled pipeline be 6~ 8mm。
3D printer head the most according to claim 1, it is characterised in that: described feed pipe and the described hot channel that adds Internal diameter is 1.9~2.1mm.
3D printer head the most according to claim 1, it is characterised in that: described nozzle is removable with described shower nozzle lower component Unload connection.
9. a 3D printer, it is characterised in that: include that frame, stamp pad and the 3D described in any one of claim 1~8 print Machine shower nozzle, described stamp pad and described 3D printer head are all connected with described frame.
3D printer the most according to claim 9, it is characterised in that: described 3D printer also includes for described water The condenser of the water for cooling in cold pipeline.
CN201610898338.2A 2016-10-14 2016-10-14 A kind of 3D printer spray head and the 3D printer using the spray head Active CN106239922B (en)

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CN109986779A (en) * 2019-04-09 2019-07-09 陈俊廷 A kind of increasing material manufacturing extrusion device of circuit board, increasing material manufacturing device and its application method using it
CN113001973A (en) * 2021-03-15 2021-06-22 合肥海闻自动化设备有限公司 Printing nozzle for 3D printer and printer thereof
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EP3442774B1 (en) 2016-04-11 2022-06-08 OMNI3D Sp. z o.o Print head for three-dimensional printing and the print head assembly
CN107094966A (en) * 2017-05-22 2017-08-29 陈劲松 A kind of 3D printer shower nozzle and sugar draw Method of printing
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CN108099178A (en) * 2017-12-19 2018-06-01 北京太尔时代科技有限公司 3D printer nozzle, printer and Method of printing
CN109986779A (en) * 2019-04-09 2019-07-09 陈俊廷 A kind of increasing material manufacturing extrusion device of circuit board, increasing material manufacturing device and its application method using it
CN109986779B (en) * 2019-04-09 2021-12-28 陈俊廷 Additive manufacturing extrusion device of circuit board, additive manufacturing device using same and using method of additive manufacturing extrusion device
CN113001973A (en) * 2021-03-15 2021-06-22 合肥海闻自动化设备有限公司 Printing nozzle for 3D printer and printer thereof

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