CN105584052A - 3D printing machine spraying nozzle for manufacturing rubber materials - Google Patents
3D printing machine spraying nozzle for manufacturing rubber materials Download PDFInfo
- Publication number
- CN105584052A CN105584052A CN201610129152.0A CN201610129152A CN105584052A CN 105584052 A CN105584052 A CN 105584052A CN 201610129152 A CN201610129152 A CN 201610129152A CN 105584052 A CN105584052 A CN 105584052A
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- Prior art keywords
- layer
- spraying nozzle
- nozzle
- elastomeric material
- manufacture
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 239000000463 material Substances 0.000 title claims abstract description 12
- 229920001971 elastomer Polymers 0.000 title abstract description 15
- 239000005060 rubber Substances 0.000 title abstract description 15
- 238000010146 3D printing Methods 0.000 title abstract description 12
- 238000005507 spraying Methods 0.000 title abstract 7
- 230000005540 biological transmission Effects 0.000 claims abstract description 3
- 239000013536 elastomeric material Substances 0.000 claims description 18
- 238000009413 insulation Methods 0.000 claims description 13
- 239000000758 substrate Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 13
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000004321 preservation Methods 0.000 abstract 3
- 238000000034 method Methods 0.000 description 9
- 239000004594 Masterbatch (MB) Substances 0.000 description 6
- 238000005453 pelletization Methods 0.000 description 6
- -1 prints Substances 0.000 description 6
- 239000000843 powder Substances 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 238000007639 printing Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 229920005573 silicon-containing polymer Polymers 0.000 description 2
- 125000004469 siloxy group Chemical group [SiH3]O* 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- ATKFMEGWDYLXBP-UHFFFAOYSA-N 2-(2,4,5-trichlorophenoxy)ethanol Chemical compound OCCOC1=CC(Cl)=C(Cl)C=C1Cl ATKFMEGWDYLXBP-UHFFFAOYSA-N 0.000 description 1
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 240000004859 Gamochaeta purpurea Species 0.000 description 1
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical group C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229920000891 common polymer Polymers 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 210000004394 hip joint Anatomy 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920002742 polystyrene-block-poly(ethylene/propylene) -block-polystyrene Polymers 0.000 description 1
- 229920000346 polystyrene-polyisoprene block-polystyrene Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 1
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
Abstract
The invention relates to a 3D printing machine spraying nozzle for manufacturing rubber materials, and belongs to the technical field of 3D printing equipment. The 3D printing machine spraying nozzle comprises a base plate, a feeding pipe is arranged in the middle portion of the base plate, a body of the feeding pipe is located below the base, a spraying nozzle body is arranged at the lowermost portion of the feeding pipe, and a radiating component is arranged on the outer side of the upper portion of the feeding pipe; a heating component is arranged outside the lower portion of the feeding pipe, the outer wall of the spraying nozzle body is formed by multiple layers of structures, the inner layer is a heat conduction layer, and the heat conduction layer and an elastic heat preservation layer on the outer side of the heat conduction layer are in contact and are fixed; and the outer side of the elastic heat preservation layer is an outer wall, and a pressure transmission mechanism is arranged at the upper portion of the elastic heat preservation layer. The 3D printing machine spraying nozzle can be effectively used for manufacturing the rubber materials through the 3D printing technology; and in particular in the hollow tire manufacturing process, the spraying nozzle is not prone to being blocked after the rubber materials are heated.
Description
Technical field
The present invention relates to a kind of 3D printer head for the manufacture of elastomeric material, be particularly applicable to manufacture hollow rubberTire, belongs to 3D and prints equipment technology field.
Background technology
3D printing technique (3Dprinting), i.e. the one of RP technique, it is that a kind of mathematical model file is basePlinth, uses powdery metal or the plastics etc. can jointing material, carrys out the technology of constructed object by the mode of successively printing. Past itsThe fields such as mould manufacture, industrial design of being everlasting are used to modeling, show the direct manufacture for some products just gradually. EspeciallyThat some high value applications (such as hip joint or tooth, or some airplane components) have had and use this technology to print to formParts. 3D prints the same with laser formation technology, has adopted layering processing, stack moulding to complete 3D entity and print. OftenThe print procedure of one deck is divided into two steps, first sprays the special glue of one deck in the region that needs moulding, and glue drop itself is very little,And be difficult for diffusion. Then be to spray the uniform powder of one deck, powder runs into glue and can solidify and cohere rapidly, and there is no the district of glueTerritory still keeps loose condition (of surface). Like this one deck glue one deck powder alternately under, physical model will be by " printings " moulding, printingAfter as long as the loose powder " plane " of cleaning goes out model, and also reusable edible of residual powder.
The difference of 3D printer and conventional printer maximum is that " ink " that it uses is out and out raw material.These raw material through heating after fusing, from the printhead shower nozzle of 3D printer ejection after be cooled to solid-state, the mistake of whole printingThat to be exactly shower nozzle constantly spray raw material the success of liquid according to program to journey is cooling on model, finally obtains the solid of 3DIn kind.
CN104972655A discloses a kind of nozzle structure of printing for 3D, belongs to 3D printing technique field, comprises peaceFill seat, the vertical nozzle body arranging, be set in the heating jacket outside nozzle body, nozzle body stretches out in heating jacket; Nozzle originallyThe outer surface of body and the inner surface of heating jacket are provided with the screw thread of mutual coupling; The end face of heating jacket offers circumferentially uniform heatingBlind hole, is provided with heating element heater in heating blind hole; Heating jacket periphery is covered with box cover, and the inwall of box cover is provided with heat-insulation layer; NozzleBody and box cover are all positioned at the below of mount pad, and all removably connect with mount pad; The both sides of mount pad are provided with illuminating lamp.CN104972662A discloses a kind of anticlogging 3D printer head structure, comprises discharge barrel and housing; Described discharge barrelPeriphery is provided with heat-conducting layer, and on heat-conducting layer, cover has some heating rings, and heating ring is arranged in housing; Described discharge barrel one end with go outStub bar is fixedly connected with, and the other end is fixedly connected with feed head; Described each heating ring is enclosed within on the periphery of discharge barrel successively side by side,And be connected with electric cabinet by circuit respectively; In described discharge barrel, be provided with rotating shaft, rotating shaft is connected with motor through discharge barrel one sideConnect, rotating shaft is made as successively along motor to rotating shaft end direction stirs section and feeding section; The stirring section of described rotating shaft is multiple blades,Its feeding section is screw thread.
But, if while adopting 3D printing technique to carry out the manufacture of elastomeric material, due to the fusing of the elastomeric material adoptingAfter, its mobile performance is poor, causes printing effect not good; And after the temperature of elastomeric material reduces, can be when very shortInterior solidifying, more easily makes shower nozzle place stop up. In addition, shower nozzle does after retracting motion, resides in the procephalic rubber of spray easily solidChange, cause follow-uply existing and hindering while carrying out extruded rubber again.
Summary of the invention
Problem solved by the invention is: adopt 3D printing technique to manufacture in rubber object process, after elastomeric material heatingBad and the elastomeric material of mobility easily stops up the problem of shower nozzle.
For the manufacture of a 3D printer head for elastomeric material, include substrate, be provided with charge pipe at substrate middle part,The main body of charge pipe is positioned at the below of substrate, and charge pipe below is nozzle, at the arranged outside radiating part on the top of charge pipePart, is heater block in the lower outer of charge pipe, and the outer wall of nozzle is made up of sandwich construction, and internal layer is heat-conducting layer, leadsThermosphere contacts fixingly with the elastic heat preserving layer in its outside, is outer wall in the outside of elastic heat preserving layer, upper at elastic heat preserving layerPortion is provided with pressure drive mechanism.
The shape of the interior tube chamber of nozzle is back taper.
Between the outside thermal component of charge pipe and heater block, be provided with thermal insulation layer.
Described thermal component is air-cooled radiator, water-filled radiator or fin.
The material that described elastic heat preserving layer adopts is silicone elastomer material.
Beneficial effect
This 3D printer can be manufactured elastomeric material, particularly air core tyre process for 3D printing technique effectively with shower nozzleIn, after elastomeric material heating, be not easy to stop up shower nozzle.
Brief description of the drawings
Fig. 1 is 3D printer nozzle structure provided by the invention.
Fig. 2 is the partial enlarged drawing of the latter half nozzle segment in Fig. 1.
Wherein, 1, substrate; 2, charge pipe; 3, thermal component; 4, thermal insulation layer; 5, heater block; 6, nozzle; 7, heat-conducting layer;8, elastic heat preserving layer; 9, outer wall; 10, pressure drive mechanism.
Detailed description of the invention
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, wherein from start to finishSame or similar label represents same or similar element or has the element of identical or similar functions. Attached below by referenceThe embodiment that figure describes is exemplary, is intended to for explaining the present invention, and can not be interpreted as limitation of the present invention. At thisIn bright description, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", " on ",D score, 'fornt', 'back', " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise " etc.Orientation or the position relationship of instruction are based on orientation shown in the drawings or position relationship, are only the present invention for convenience of description and JianChange and describe, instead of instruction or the hint device of indication or element must have specific orientation, with specific orientation structure andOperation, therefore can not be interpreted as limitation of the present invention. It should be understood that when an element is mentioned with another element and " connectConnect " time, it can directly be connected with other elements or indirectly be connected with other elements, and is inserted with element between them. RemoveNon-have clearly contrary explanation, otherwise term " comprises " and " having " is interpreted as statement and comprises listed element, but not rowExcept any other elements.
Embodiment 1
As shown in fig. 1, this nozzle structure mainly includes substrate 1 to the structure of 3D printing head provided by the invention, substrate 1Effect is that the three-dimensional motion mechanism of shower nozzle and its top is connected to a fixed, and is provided with charge pipe 2, charge pipe 2 at substrate 1 middle partBelow is nozzle 6, for adding wherein rubber master batch and the elastomeric material after fusing being discharged from nozzle 6; ReinforcedThe outside on the top of pipe 2, is thermal component 3, identical with the external world for ensureing the temperature of rubber master batch, makes master batch normal thereinThe concrete structures such as mobile, that thermal component 3 can adopt is air-cooled, water-cooled or fin, are not particularly limited.
Below thermal component 3, it is thermal insulation layer 4; The outside of the charge pipe 2 below thermal insulation layer 4 is heater blocks5, the effect of heater block 5 is that the temperature of rubber master batch is improved, and then thawing finally can be shifted out from nozzle 6. Thermal insulation layer 4Effect be prevent the temperature of charge pipe 2 bottoms be upwards passed to top, to prevent after the rubber grain over hot melting in topCooling, and cause the obstruction of top charge pipe 2.
The partial enlarged drawing at nozzle 6 places as shown in Figure 2, in the shape of the interior tube chamber of nozzle 6 as conventional back taperShape, upper wider, bottom diminishes gradually, and the outer wall of nozzle 6 is made up of sandwich construction, internal layer is heat-conducting layer 7, heat conductionBetween layer 7 and charge pipe 2, do not form a fixed connection, heat-conducting layer 7 contacts fixing with the elastic heat preserving layer 8 in its outside, in elasticityThe outside of heat-insulation layer 8 is outer walls 9, is provided with pressure drive mechanism 10 on the top of elastic heat preserving layer 8. Because needs are to rubber motherGrain material melts, prints, and elastomeric material is different from common polymer, and its cooling rear plastic body that easily becomes, when beatingWhen seal machine shower nozzle reclaims motion, rubber master batch is, plug nozzle cooling at nozzle place easily. And while having adopted above-mentioned structure, whenWhen printer head reclaims motion, starting pressure transmission mechanism 10 simultaneously, it is transmitted to elastic heat preserving layer 8, elastic heat preserving to pressureLayer 8 be under pressure after, occur deformation, by heat-conducting layer 7 to internal motion, and then can make nozzle 6 places rubber master batch shrink,Get back to charge pipe 2 places that directly contact with heater block 5, the spray nozzle clogging of avoiding its cooled and solidified to cause. That is to say: utilizeThe insulation of elastic heat preserving layer 8, elasticity double grading, realized nozzle 6 places elastomeric material insulation keep and reclaim motion,Make it be difficult for plug nozzle 6. Wherein, pressure drive mechanism 10 is not particularly limited, as long as can be to 8 pressurization of elastic heat preserving layerCan, for example, with pressure rod, the piston etc. of electromagnetic controller.
In addition, the material of elastic heat preserving layer 8 is not particularly limited, as long as can have certain insulation, elasticity, high temperature resistant oldThe performance of changing, applicable to object of the present invention, can be thermoplastic elastic series with exemplifying, for example phenylethylene (SBS,SIS, SEBS, SEPS), olefines (TP0, TPV), diene class (TPB, TPI), polyvinyl chloride-base (TPVC, TCPE), ammonia ester class(TPU), ester class (TPEE), amide-type (TPAE), Organic fluoride class (TPF), silicone based and vinyl etc.
Below the elastic heat preserving material adopting is illustrated:
Example 1: according to weight portion meter, by 40 parts of dimethyl silicone polymers, the ternary second of vinyl-dimethyl base siloxy end-blocking3 parts of the third 10 parts of rubber, 8 parts of precipitated silicas, 4 parts of silicon nitrides, 2 parts, carborundum, 5 parts, calcium carbonate, zinc oxide mix, and addEnter in kneader, low whipping speed is, after stirring under 455 revs/min, to pass through successively banbury, twin-screw mixer, lastBy single screw extrusion machine extruding pelletization, pelletizing mode adopts tie rod water-cooled or water ring pelletizing, to obtain final product. Banburying temperature is 165 DEG C, twoExtruder temperature arranges: 160 DEG C of double-cone feeding sections, 170 DEG C of compression sections, 155 DEG C of homogenizing zones, 160 DEG C of head temperatures.
Example 2: according to weight portion meter, by 40 parts of dimethyl silicone polymers, the hydroxyl of vinyl-dimethyl base siloxy end-blockingPoly-methyl-8 parts of (3,3,3-trifluoro propyl) siloxanes of base end-blocking, 10 parts of ethylene propylene diene rubbers, 8 parts of precipitated silicas, nitrogen3 parts of 4 parts of SiClxs, 2 parts, carborundum, 5 parts, calcium carbonate, zinc oxide mix, add in kneader, low whipping speed be 455 turn/After stirring under minute, pass through successively banbury, twin-screw mixer, finally by single screw extrusion machine extruding pelletization, pelletizing sideFormula adopts tie rod water-cooled or water ring pelletizing, to obtain final product. Banburying temperature is 165 DEG C, and twin-screw temperature arranges: 160 DEG C of double-cone feeding sections,170 DEG C of compression sections, 155 DEG C of homogenizing zones, 160 DEG C of head temperatures.
The elastomeric hot strength 12.3Mpa of above example 1, elongation at break 240%, at 180 DEG C aging 170 hoursAfter, hot strength retention rate 93%, reserved elongation at break 85%. The elastomeric hot strength 13.5Mpa of above example 2, disconnectedSplit percentage elongation 260%, at 180 DEG C after aging 170 hours, hot strength retention rate 97%, reserved elongation at break 94%.
Visible, adopt polysiloxane-based insulation elastic material can be applicable to preferably the elastic heat preserving layer in the present invention8。
Claims (5)
1. for the manufacture of a 3D printer head for elastomeric material, include substrate (1), be provided with and add at substrate (1) middle partMaterial pipe (2), the main body of charge pipe (2) is positioned at the below of substrate (1), and charge pipe (2) below is nozzle (6), in charge pipe (2)The arranged outside thermal component (3) on top, be heater block (5) in the lower outer of charge pipe (2), it is characterized in that: sprayThe outer wall of mouth (6) is made up of sandwich construction, and internal layer is heat-conducting layer (7), the elastic heat preserving layer in heat-conducting layer (7) and its outside(8) contacting fixingly, is outer wall (9) in the outside of elastic heat preserving layer (8), is provided with pressure on the top of elastic heat preserving layer (8)Transmission mechanism (10).
2. the 3D printer head for the manufacture of elastomeric material according to claim 1, is characterized in that: nozzle (6)The shape of interior tube chamber is back taper.
3. the 3D printer head for the manufacture of elastomeric material according to claim 1, is characterized in that: at charge pipe(2) between outside thermal component (3) and heater block (5), be provided with thermal insulation layer (4).
4. the 3D printer head for the manufacture of elastomeric material according to claim 1, is characterized in that: described heat radiationParts (3) are air-cooled radiator, water-filled radiator or fin.
5. the 3D printer head for the manufacture of elastomeric material according to claim 1, is characterized in that: described elasticityThe material that heat-insulation layer (8) adopts is silicone elastomer material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610129152.0A CN105584052B (en) | 2016-03-07 | 2016-03-07 | A kind of 3D printer shower nozzle for being used to manufacture elastomeric material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610129152.0A CN105584052B (en) | 2016-03-07 | 2016-03-07 | A kind of 3D printer shower nozzle for being used to manufacture elastomeric material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105584052A true CN105584052A (en) | 2016-05-18 |
| CN105584052B CN105584052B (en) | 2017-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610129152.0A Active CN105584052B (en) | 2016-03-07 | 2016-03-07 | A kind of 3D printer shower nozzle for being used to manufacture elastomeric material |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106426912A (en) * | 2016-11-23 | 2017-02-22 | 湖南省睿度科技有限公司 | Cyclic heating high efficiency 3D printer nozzle device |
| CN109501242A (en) * | 2018-12-28 | 2019-03-22 | 温州优巴信息技术有限公司 | A kind of 3D printing spray head blowing-type heat removal apparatus |
| CN109648849A (en) * | 2019-02-16 | 2019-04-19 | 江苏江昕轮胎有限公司 | Tire 3D printing system and Method of printing |
| CN110561740A (en) * | 2019-10-12 | 2019-12-13 | 四川大学 | Quick forming feeding device |
| CN110901068A (en) * | 2019-11-12 | 2020-03-24 | 深圳职业技术学院 | Coaxial shower nozzle of 3D printer and have its 3D printer |
| CN111070681A (en) * | 2019-11-12 | 2020-04-28 | 深圳职业技术学院 | 3D print head and have its 3D printer |
| WO2021055494A1 (en) * | 2019-09-19 | 2021-03-25 | Northrop Grumman Innovation Systems, Inc. | Apparatus for additively manufacturing an article, related tools, and related methods |
| CN114144296A (en) * | 2019-06-11 | 2022-03-04 | 特瑞堡密封系统德国有限公司 | 3D printing system and method for 3D printing an elastically deformable rubber body, in particular a rubber seal |
| CN116575025A (en) * | 2023-05-22 | 2023-08-11 | 中北大学 | Multifunctional high-speed laser cladding head adjusting device based on real-time detection |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106426912A (en) * | 2016-11-23 | 2017-02-22 | 湖南省睿度科技有限公司 | Cyclic heating high efficiency 3D printer nozzle device |
| CN109501242A (en) * | 2018-12-28 | 2019-03-22 | 温州优巴信息技术有限公司 | A kind of 3D printing spray head blowing-type heat removal apparatus |
| CN109501242B (en) * | 2018-12-28 | 2020-12-08 | 安徽省春谷3D打印智能装备产业技术研究院有限公司 | A blast heat removal device for 3D printing nozzles |
| CN109648849A (en) * | 2019-02-16 | 2019-04-19 | 江苏江昕轮胎有限公司 | Tire 3D printing system and Method of printing |
| CN109648849B (en) * | 2019-02-16 | 2023-10-27 | 江苏江昕轮胎有限公司 | Tire 3D printing system and printing method |
| CN114144296A (en) * | 2019-06-11 | 2022-03-04 | 特瑞堡密封系统德国有限公司 | 3D printing system and method for 3D printing an elastically deformable rubber body, in particular a rubber seal |
| CN114144296B (en) * | 2019-06-11 | 2023-12-26 | 特瑞堡密封系统德国有限公司 | 3D printing system and method for 3D printing elastically deformable rubber bodies, in particular rubber seals |
| WO2021055494A1 (en) * | 2019-09-19 | 2021-03-25 | Northrop Grumman Innovation Systems, Inc. | Apparatus for additively manufacturing an article, related tools, and related methods |
| US11376788B2 (en) | 2019-09-19 | 2022-07-05 | Northrop Grumman Systems Corporation | Apparatus for additively manufacturing an article and related tools |
| CN110561740A (en) * | 2019-10-12 | 2019-12-13 | 四川大学 | Quick forming feeding device |
| CN110901068A (en) * | 2019-11-12 | 2020-03-24 | 深圳职业技术学院 | Coaxial shower nozzle of 3D printer and have its 3D printer |
| CN111070681B (en) * | 2019-11-12 | 2021-10-19 | 深圳职业技术学院 | A 3D printer nozzle and a 3D printer having the same |
| CN110901068B (en) * | 2019-11-12 | 2021-08-10 | 深圳职业技术学院 | Coaxial shower nozzle of 3D printer and have its 3D printer |
| WO2021093604A1 (en) * | 2019-11-12 | 2021-05-20 | 深圳职业技术学院 | 3d printer nozzle and printer having same |
| CN111070681A (en) * | 2019-11-12 | 2020-04-28 | 深圳职业技术学院 | 3D print head and have its 3D printer |
| CN116575025A (en) * | 2023-05-22 | 2023-08-11 | 中北大学 | Multifunctional high-speed laser cladding head adjusting device based on real-time detection |
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| CN105584052B (en) | 2017-07-21 |
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