CN109094027A - A kind of 3D printer spray head of double chargings - Google Patents
A kind of 3D printer spray head of double chargings Download PDFInfo
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- CN109094027A CN109094027A CN201810859606.9A CN201810859606A CN109094027A CN 109094027 A CN109094027 A CN 109094027A CN 201810859606 A CN201810859606 A CN 201810859606A CN 109094027 A CN109094027 A CN 109094027A
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- heating
- feed pipe
- barrel
- cabinet
- mixing barrel
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- 238000007600 charging Methods 0.000 title claims abstract description 24
- 239000007921 spray Substances 0.000 title claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 100
- 238000002156 mixing Methods 0.000 claims abstract description 79
- 239000000463 material Substances 0.000 claims abstract description 37
- 238000003756 stirring Methods 0.000 claims abstract description 26
- 238000001125 extrusion Methods 0.000 claims abstract description 22
- 239000000203 mixture Substances 0.000 claims description 32
- 125000003003 spiro group Chemical group 0.000 claims description 32
- 230000008878 coupling Effects 0.000 claims description 19
- 238000010168 coupling process Methods 0.000 claims description 19
- 238000005859 coupling reaction Methods 0.000 claims description 19
- 239000000523 sample Substances 0.000 claims description 12
- BSYNRYMUTXBXSQ-UHFFFAOYSA-N Aspirin Chemical compound CC(=O)OC1=CC=CC=C1C(O)=O BSYNRYMUTXBXSQ-UHFFFAOYSA-N 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- 238000010146 3D printing Methods 0.000 abstract description 14
- 229920005669 high impact polystyrene Polymers 0.000 description 13
- 239000004797 high-impact polystyrene Substances 0.000 description 13
- 238000007639 printing Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000004064 recycling Methods 0.000 description 7
- 239000004033 plastic Substances 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000012745 toughening agent Substances 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/205—Means for applying layers
- B29C64/209—Heads; Nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/295—Heating elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/307—Handling of material to be used in additive manufacturing
- B29C64/321—Feeding
- B29C64/336—Feeding of two or more materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE 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
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE 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
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
Abstract
The invention discloses a kind of 3D printer spray heads of double chargings, and the present invention includes two-wire shape feeding device, material molten mixing arrangement, radiator, stirring and screw extrusion apparatus, nozzle；The two-wire shape feeding device and material molten mixing arrangement pass through the first feed pipe and the second feed pipe of two-wire shape feeding device, connect with the heating mixing barrel of material molten mixing arrangement；The fan of radiator and cabinet assembly at 45 °；Material molten mixing arrangement mixes barrel inside and top through heating by the positive/negative thread screw rod of stirring and screw extrusion apparatus with stirring and screw extrusion apparatus；Stirring, screw extrusion apparatus and nozzle are connected by heating mixing barrel.The present invention uses two-wire shape feeding device, changes single fed version, and then so that two-wire shape feeding device is can be convenient efficiently two kinds of materials and carry out Hybrid Heating, is mixed in heating mixing barrel by two kinds of materials, improves the performance of 3D printing material.
Description
Technical field
The present invention relates to 3D printing technique field, specially a kind of 3D printer spray head of double chargings.
Background technique
3D printing technique is also referred to as increases material manufacturing technology, be relative to traditional machining etc. " subtract material manufacture " technology and
Speech, be the technology built up to realize manufacture by material.The 3D model of formation of parts is cut by it using computer
A series of certain thickness " thin slices ", 3D printing equipment produce each layer " thin slice " from bottom to up, and last superposition forming goes out
Three-dimensional entity component.This manufacturing technology is not necessarily to traditional cutter or mold, and traditional handicraft may be implemented and be difficult to or can not add
The manufacture of the labyrinth of work, and can effectively simplify production process, shorten the manufacturing cycle.
In recent years, 3D printing technique is as emerging technology, and wherein FDM technology is most energy saving, efficient, portable 3D printing
Technology.But major defect existing for current 3D printing wire rod is as follows:
First: PLA most prominent disadvantage is exactly that toughness is poor, and printing product brittleness is big；The product of ABS material printing has
Biggish shrinking percentage, is easy to produce contraction distortion.Therefore, processing is modified to ABS and PLA, improves the property of printout
Energy.
Second: existing ABS and PLA wire rod is more expensive.And the associated plastics recycling and reusing such as HIPS and PET is as 3D
The finished product for printing wire rod printing, need to improve its impact resistance.Therefore, HIPS plastic after the recovery need to add SBS plastics to return
The wire rod of receipts is modified processing, and modified its toughness of HIPS wire rod improves 2-3 times than unmodified HIPS, and shock extent is big
It is big to improve.And traditional 3D printing spray head, processing can not be modified, it is therefore desirable to a kind of 3D printer spray head of double chargings.
Summary of the invention
The purpose of the present invention is to provide a kind of 3D printer spray heads of double chargings, to solve product in above-mentioned background technique
The problem of the easy end properties difference for shrinking deformation and printing: first, 3D printing wire rod PLA disadvantage is exactly that toughness is poor,
The product of ABS material printing is easy to produce contraction distortion.Therefore, it to be modified processing to ABS and PLA, improves printout
Performance.Second, it is currently understood that associated plastics recoverables such as HIPS, PET.But in order to improve using recycled plastic as wire rod
The end properties of printing needs to add corresponding material and is modified processing to the wire rod of recycling.
To achieve the above object, the invention provides the following technical scheme: a kind of 3D printer spray head of double chargings, feature
It is: is connect including two-wire shape feeding device, material molten mixing arrangement, radiator, stirring and screw extrusion apparatus, Denso
Head, shaft coupling, positive/negative thread screw rod, nozzle, cabinet；The Denso connector, shaft coupling, positive/negative thread screw rod, nozzle from up to
Under be sequentially connected, and run through cabinet；The Denso connector is equipped with the first pin shaft, and positive/negative thread screw rod is equipped with the second pin shaft；
The two-wire shape feeding device passes through heating mixture cover plate and is fixedly connected with heating mixing barrel；The heating mixture
Cylinder includes resistance wire, temp probe；The two-wire shape feeding device is located at cabinet middle and upper part, through the top of cabinet；It is described
Material molten mixing arrangement is located in the box body bottom, and the radiator is located at the center two sides below the bottom of box, described to stir
It mixes and stirs screw extrusion apparatus to be located at over and within material molten mixing arrangement, the nozzle is located at stirring and screw extrusion apparatus
Lower section；
The Denso connector and shaft coupling are linked together by the first pin shaft；The shaft coupling and positive/negative thread screw rod are logical
Cross the second pin shaft joint；Agitator disk is fixed on positive/negative thread screw rod by nut；The positive/negative thread screw rod is through described
Heating mixing barrel top；
The two-wire shape feeding device includes the first feed pipe, the first feeding spiro rod, the second feeding spiro rod, the second feeding
Pipe；First feeding spiro rod and the second feeding spiro rod length are identical；First feeding spiro rod, the second feeding spiro rod respectively and
First feed pipe, the second feeding bore clearance fit, and to be rotatably assorted；
The first feed pipe, the second feed pipe of the two-wire shape feeding device are mixed with the heating of material molten mixing arrangement
Barrel is connected；The end of first feed pipe, the end of the second feed pipe are connected with inside heating mixing barrel respectively；
The radiator includes fan, the fan of the radiator and cabinet assembly at 45 ° in the horizontal direction；The stirring and spiral shell
Bar extrusion device includes Denso connector, the first pin shaft, the second pin shaft, shaft coupling, positive/negative thread screw rod, nut and agitator disk；Institute
The positive/negative thread screw rod for stating stirring and screw extrusion apparatus mixes barrel through heating by washer；The stirring and screw rod squeeze
Device and nozzle are internal diameter clearance fit out, and to be rotatably assorted, and through heating mixing barrel, and the heating mixes barrel
And nozzle is provided with inner passage.
Preferably, the material molten mixing arrangement includes heating mixing barrel and heating mixture cover plate；It is described
Heating mixing barrel outer shape be it is cylindric, interior shape is coniform；It is mixed that the heating mixture cover plate is located at heating
The upper surface of barrel is closed, and the heating mixture cover plate mixes barrel with the heating and is tightly connected；The heating mixture
The first feed pipe, the second feed pipe and positive/negative thread screw rod are connected above cover plate.
Preferably, resistance wire and temp probe are equipped with inside the heating mixing barrel；The resistance wire, temp probe and
Heating mixing barrel is integrally formed；The resistance wire is set in heating mixing barrel at helicon；The temp probe is set
It is placed in heating mixing barrel end；It is described heating mixing barrel inside cone angle range be.
Preferably, the heating mixes the coning angle inside barrel straight down；Inside the heating mixing barrel
Coning angle be 120 °.
Preferably, the agitator disk is along the circumferential direction laid with 6 branch's sticks, and each branch's stick is in vertical direction
30°。
Preferably, the radiator includes 2 fans, is symmetrically distributed in the two sides of nozzle；2 fans nearest two
Distance at point is the half of cabinet side bottom edge distance；2 fans respectively with cabinet dress at 45 ° in the horizontal direction
Match.
Preferably, the nozzle is connect with heating mixing barrel transition fit；The cabinet is sent with the first feed pipe, second
Expects pipe (6), heating mixing barrel are fixedly connected with fan.
Preferably, circular hole there are three being opened on the upside of the cabinet, respectively the first feedhole, the second feedhole and shaft coupling
Hole；First feedhole, the second feedhole are symmetrical relative to cabinet center two sides, and center is cabinet side away from distance
The half of distance；The coupler hole is located at top of the box center；Shaft coupling is placed in coupler hole；Described first send
Expects pipe, the second feed pipe top extend through in first the second feedhole of feedhole.
Preferably, the heating mixture cover plate is opened there are three circular hole, respectively the first feed opening, the second feed opening
And screw hole；First feed opening and the second feed opening are symmetrical relative to heating mixture cylinder cover plate central two sides, the
One feed opening and the second feed opening are respectively heat mixture cover plate radius three away from heating mixture cover plate centre distance
3/1 bis- to four；The screw hole is located at heating mixture cylinder cover plate central；The positive/negative thread screw rod runs through
Screw hole；First feed pipe, the second feed pipe bottom end respectively through first the second feed opening of feed opening, and be connected to heating
Mix barrel.
Preferably, the heating mixing barrel bottom surface is bonded with bottom in cabinet, and boss is arranged at heating mixing barrel bottom
Through boss circular hole；A boss circular hole is provided at the bottom of box center.
Compared with prior art, the beneficial effects of the present invention are:
1, the present invention is changed the structure of previous single line material charging, is convenient for two using double charging wire rod 3D printing spray heads
The mixing of kind material prints and is directly modified processing to 3D wire rod, improves 3D printing end properties and printing effect；It returns
HIPS after receipts needs modification, then the first feed pipe is into HIPS after the recovery and the second feed pipe into SBS toughener,
It is stirred in heating mixing barrel.Finally, modified HIPS extrusion molding；
2, principal organ of the present invention using screw rod as double feeding devices, in the first feeding spiro rod and the second feeding spiro rod
Under identical revolving speed, the first feeding spiro rod and the second feeding spiro rod diameter are different, and length is identical.It therefore, can be to two kinds of wire rods
Charging rate controlled, and then control charging amount so that preferably control material mixing ratio；
3, the present invention uses interior angle to be mixed for 120 ° of cone heating mixing barrels, is conducive to melting mixing liquid
Stirring and extrusion.And heating mixing barrel have can provide material be stirred place and to heating mixing barrel add
The dual function of heat；
4, the present invention uses the resistance wire of helicon, and is located inside heating mixing barrel, is not only conducive to heating mixing
Temperature change in barrel is stablized, and is conducive to the liquid heating removal to remaining in agitator disk branch, and then prevent from sending out
Raw clogging；
5, the present invention carries out Double stirring to material using agitator disk and positive/negative thread screw rod, plays mixing feeding and squeezes
Effect.Positive/negative thread screw rod both ends are plus thread, and intermediate left-hand thread, lower end plus thread fits closely with sleeve lining, upper end
Plus thread connects agitator disk, drives agitator disk rotation by shaft coupling, be sufficiently stirred for the first time；Intermediate left-hand thread is under
The plus thread at end plays the role of second of stirring simultaneously.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is cross-sectional view of the invention；
Fig. 3 is positive/negative thread screw rod and agitator disk structural schematic diagram of the invention；
Fig. 4 is the structural schematic diagram of heating mixing barrel of the invention.
In figure: 1, the first feed pipe；2, the first feeding spiro rod；3, Denso connector；4, shaft coupling；5, the second feeding spiro rod；
6, the second feed pipe；7, cabinet；8, nozzle；9, fan；10, washer；11, positive/negative thread screw rod；12, heating mixing barrel；13,
Resistance wire；14, temp probe；15, nut；16, agitator disk；17, mixture cover plate is heated；18, the second pin shaft；19, first
Pin shaft；20, stirring rod；21, the first feedhole；22, the second feedhole；23, the first feed opening；24, the second feed opening；25, join
Axis device hole；26, screw hole；27, boss hole；28, boss；
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description.Obviously, described embodiment is only invention a part of the embodiment, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of 3D printer spray head setting of double chargings, including
Two-wire shape feeding device, material molten mixing arrangement, radiator, stirring and screw extrusion apparatus, nozzle；Two-wire shape charging dress
The first feed pipe 1, the second feed pipe 6 set are connected with the heating mixing barrel 12 of material molten mixing arrangement；First feeding
It is connected inside pipe 1, the end of the second feed pipe 6 and heating mixing barrel 12；The fan 9 and the dress at 45 ° of cabinet 7 of radiator
Match；The positive/negative thread screw rod 11 of stirring and screw extrusion apparatus mixes 12 top of barrel through heating by washer 10；Stirring
With 8 internal diameter clearance fit of screw extrusion apparatus and nozzle, and to be rotatably assorted, heating mixing barrel 12 and nozzle 8 have inside
Channel；Two-wire shape feeding device includes the first feed pipe 1, the first feeding spiro rod 2, the second feeding spiro rod 5, the second feed pipe 6；The
One feeding spiro rod, 2 diameter connects the diameter greater than the second feeding spiro rod 5,5 length phase of the first feeding spiro rod 2 and the second feeding spiro rod
Together；First feeding spiro rod 2, the second feeding spiro rod 5 with the first feed pipe 1,6 internal diameter clearance fit of the second feed pipe, and are respectively
It is rotatably assorted；Material molten mixing arrangement includes heating mixing barrel 12 and heating mixture cover plate 17；Heat mixture
There are resistance wire 13 and temp probe 14 in cylinder 12；Resistance wire 13, temp probe 14 and heating mixing barrel 12 are integrally formed；Resistance
Silk 13 at helicon be located at heating mixing barrel 12 in, sufficiently to enter heat mixing barrel 12 wire rod heating and melting；Temperature
Degree probe 14 is located at heating mixing 12 end of barrel；Heating mixing barrel 12 inside be angle be 120 ° of cones；Heating mixing
Barrel cover board 17 is located at the upper surface of heating mixing barrel 12, and is sealed against；It heats mixture cover plate 17 and connects the above
One feed pipe 1, the second feed pipe 6 and positive/negative thread screw rod 11；Stirring and screw extrusion apparatus include that Denso connector 3, first is sold
Axis 19, the second pin shaft 18, shaft coupling 4, positive/negative thread screw rod 11, nut 15 and agitator disk 16；Denso connector 3 and shaft coupling 4 pass through
The first pin shaft 19 is crossed to link together；Shaft coupling 4 and positive/negative thread screw rod 11 couple by the second pin shaft 18；Agitator disk 16 passes through
Nut 15 is fixed on positive/negative thread screw rod 11；Agitator disk 16 has 6 branch's sticks, and each branch's stick is in vertical direction with 30 °；
Positive/negative thread screw rod 11 mixes 12 top of barrel through heating；Radiator includes 2 fans 9, and fan 9 and cabinet 7 are at 45 °
Assembly；Nozzle 8 is connect with heating mixing 12 transition fit of barrel；Cabinet 7 and the first feed pipe 1, the second feed pipe 6, heating mix
Barrel 12 is closed to be fixedly connected with fan 9.
3D printing cannot operation without foundation, its working principle is layer-by-layer superposition molding.It and in modeling is not meet gravity
The body of rule just needs additionally plus some supporting members, support needs to remove by hand after model printing.Supporting member
It does not need to draw when modeling, software can add automatically.When the angle adjustment of model is preferable when modeling, it may be unnecessary to support or branch
Support is minimum.The work of FDM desktop 3D printer finishes, and user takes out molded part, and molded part is easily isolated with lathe, guarantees it
It can reuse.
Working principle: in the specific implementation, user should open FDM printer first and switch the present invention, in printer
Heating system can automatically preheat printing lathe and spray head, reach melting temperature needed for recycling HIPS and SBS material mixes
190°；The first feeding spiro rod 2, the second feeding spiro rod 5 of subsequent control system are fed separately to HIPS the and SBS plastic cord of recycling
Material.Since the first feeding spiro rod 2 and the second feeding spiro rod 5 diameter are different, length is identical, thus can to two kinds of wire rods into
Material speed is controlled, and then controls the amount of charging, preferably to control the mixing ratio (HIPS:SBS=of recycling of material
10:3).The lifting of platform lifting device control platform, platform lifting device are mainly made of hott bed, screw mechanism simultaneously.Hott bed
Structure will directly affect the formed precision of printer, when design, considers its heating method and thermally equivalent, eliminates during exercise
Jitter phenomenon, platform the factors such as fine tuning, fine motion, effective compact dimensions and integral installation, lathe passes through screw mechanism and realizes
Stable straight line elevating movement.
Then external device switch is opened, the first feeding spiro rod 2 and the second feeding spiro rod 5 rotate continuously to the first feed pipe
1, the HIPS and SBS of the second feed pipe 6 conveying recycling, is then continuously conveyed conveying by the first feed pipe 1, the second feed pipe 6
In the HIPS and SBS of recycling to heating mixing barrel 12；Shaft coupling 4 starts turning, and drives positive/negative thread screw rod 11 to rotate, stirs
It mixes disk 16 while rotating, mixing is stirred evenly to the melted material in heating mixing barrel 12 to reach.Extrusion device will mix
The melted material got togather is expressed on lathe by nozzle 8, while radiator starting starts to radiate.The spray head that the present invention designs
Telecontrol equipment is the critical component of FDM desktop 3D printer, and steady, the compact-sized and kinematic accuracy of movement is high, eliminates 3D printing
The phenomenon that ejecting device scrapes in the process, and ejecting device being capable of positioning accuracy with higher and repetition in moving process
Positioning accuracy, so as to stable realization 3D printing.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of 3D printer spray head of double chargings, it is characterised in that: including two-wire shape feeding device, material molten mixing dress
It sets, radiator, stirring and screw extrusion apparatus, Denso connector (3), shaft coupling (4), positive/negative thread screw rod (11), nozzle
(8), cabinet (7)；The Denso connector (3), shaft coupling (4), positive/negative thread screw rod (11), nozzle (8) successively connect from top to bottom
It connects, and runs through cabinet (7)；The Denso connector (3) is equipped with the first pin shaft (19), and positive/negative thread screw rod (11) is equipped with second
Pin shaft (18)；The two-wire shape feeding device passes through heating mixture cover plate (17) and heating mixing barrel (12) is fixed and connected
It connects；The heating mixing barrel (12) includes resistance wire (13), temp probe (14)；The two-wire shape feeding device is located at case
Body (7) middle and upper part, through the top of cabinet (7)；The material molten mixing arrangement is located at cabinet (7) interior bottom, described to dissipate
Thermal is located at the center two sides of cabinet (7) bottom part down, and the stirring and screw extrusion apparatus are located at material molten mixing dress
Over and within setting, the nozzle (8) is located at the lower section of stirring and screw extrusion apparatus；
The Denso connector (3) and shaft coupling (4) are linked together by the first pin shaft (19)；The shaft coupling (4) and positive and negative
Thread screw (11) is coupled by the second pin shaft (18)；Agitator disk (16) is fixed on positive/negative thread screw rod (11) by nut (15)
On；The positive/negative thread screw rod (11) mixes barrel (12) top through the heating；
The two-wire shape feeding device includes the first feed pipe (1), the first feeding spiro rod (2), the second feeding spiro rod (5), second
Feed pipe (6)；First feeding spiro rod (2) is identical with the second feeding spiro rod (5) length；First feeding spiro rod (2),
Two feeding spiro rods (5) respectively with the first feed pipe (1), the second feed pipe (6) internal diameter clearance fit, and to be rotatably assorted；
The first feed pipe (1), the second feed pipe (6) and the heating of material molten mixing arrangement of the two-wire shape feeding device mix
Barrel (12) are closed to be connected；The end of first feed pipe (1), the second feed pipe (6) end respectively with heating mixture
It is connected inside cylinder (12)；The radiator includes fan (9), and the fan (9) of the radiator and cabinet (7) are in level
Direction assembly at 45 °；The stirring and screw extrusion apparatus include Denso connector (3), the first pin shaft (19), the second pin shaft
(18), shaft coupling (4), positive/negative thread screw rod (11), nut (15) and agitator disk (16)；The stirring and screw extrusion apparatus
Positive/negative thread screw rod (11) mixes barrel (12) through heating by washer (10)；The stirring and screw extrusion apparatus and spray
Mouth (8) is internal diameter clearance fit, and to be rotatably assorted, and through heating mixing barrel, and the heating mix barrel (12) with
And nozzle (8) is provided with inner passage.
2. a kind of 3D printer spray head of double chargings according to claim 1, it is characterised in that: the material molten mixing
Device includes heating mixing barrel (12) and heating mixture cover plate (17)；The heating mixes barrel (12) outer shape
To be cylindric, interior shape is coniform；The heating mixture cover plate (17) is located at the upper surface of heating mixing barrel (12),
And the heating mixture cover plate (17) mixes barrel (12) with the heating and is tightly connected；The heating mixture cover plate
(17) the first feed pipe (1), the second feed pipe (6) and positive/negative thread screw rod (11) are connected above.
3. a kind of 3D printer spray head of double chargings according to claim 2, heating mixing barrel (12) is internal to be set
There are resistance wire (13) and temp probe (14)；The resistance wire (13), temp probe (14) and heating mixing barrel (12) one
Molding；The resistance wire (13) is set in heating mixing barrel (12) at helicon；The temp probe (14) is set to
Heating mixing barrel (12) end；The internal cone angle range of heating mixing barrel (12) is 85 °~130 °.
4. a kind of 3D printer spray head of double chargings according to claim 3, it is characterised in that: the heating mixture
The internal coning angle of cylinder (12) is straight down；The internal coning angle of the heating mixing barrel (12) is 120 °.
5. a kind of 3D printer spray head of double chargings according to claim 1, it is characterised in that: agitator disk (16) edge
Circumferencial direction is laid with 6 branch's sticks, and each branch's stick and vertical direction are in 30 °.
6. a kind of double 3D printer spray heads of charging according to claim 1, it is characterised in that: the radiator includes
2 fans (9), are symmetrically distributed in the two sides of nozzle (8)；Distance at the nearest two o'clock of 2 fans (9) is cabinet (7) one
The half of side bottom edge distance；2 fans (9) respectively with cabinet (7) assembly at 45 ° in the horizontal direction.
7. a kind of double 3D printer spray heads of charging according to claim 6, it is characterised in that: the nozzle (8) with plus
The connection of hot mixing barrel (12) transition fit；The cabinet (7) mixes with the first feed pipe (1), the second feed pipe (6), heating
Barrel (12) is fixedly connected with fan (9).
8. a kind of 3D printer spray head of double chargings according to claim 7, it is characterised in that: on the cabinet (7)
Side is opened there are three circular hole, respectively the first feedhole (21), the second feedhole (22) and coupler hole (25)；Described first is sent
Expect that hole (21), the second feedhole (22) are symmetrical relative to cabinet (7) center two sides, center is case-side back gauge away from distance
Half；The coupler hole (25) is located at cabinet (7) top center；Shaft coupling (4) is placed in coupler hole (25)；
First feed pipe (1), the second feed pipe top (6) extend through in (21) second feedhole (22) of the first feedhole.
9. a kind of 3D printer spray head of double chargings according to claim 1, it is characterised in that: the heating mixture
Cover plate (17) is opened there are three circular hole, respectively the first feed opening (23), the second feed opening (24) and screw hole (26)；Described
One feed opening (23) and the second feed opening (24) are symmetrical relative to heating mixture cover plate (17) center two sides, first into
Expect hole (23) and the second feed opening (24), is respectively heating mixture cover plate away from heating mixture cover plate (17) centre distance
(17) 3rd/2nd to four/3rds of radius；The screw hole (26) is located at heating mixture cover plate (17) center；Institute
The positive/negative thread screw rod (11) stated runs through screw hole (26)；First feed pipe (1), the second feed pipe (6) bottom end pass through respectively
It is through at (23) second feed opening (24) of the first feed opening, and is connected to heating mixing barrel (12).
10. a kind of 3D printer spray head of double chargings according to claim 9, it is characterised in that: the heating mixing
Barrel (12) bottom surface is bonded with cabinet (7) interior bottom, and heating mixing barrel (12) bottom has boss (28) through boss circular hole
(27)；Described cabinet (7) bottom center is provided with a boss circular hole (27).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810859606.9A CN109094027A (en) | 2018-08-01 | 2018-08-01 | A kind of 3D printer spray head of double chargings |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810859606.9A CN109094027A (en) | 2018-08-01 | 2018-08-01 | A kind of 3D printer spray head of double chargings |
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| Publication Number | Publication Date |
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| CN109094027A true CN109094027A (en) | 2018-12-28 |
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| CN201810859606.9A Pending CN109094027A (en) | 2018-08-01 | 2018-08-01 | A kind of 3D printer spray head of double chargings |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110014643A (en) * | 2019-03-11 | 2019-07-16 | 华中科技大学 | A kind of more material gradient shaping molten extrusion systems for 3D printing |
| CN110126263A (en) * | 2019-05-24 | 2019-08-16 | 中国科学院福建物质结构研究所 | A kind of screw extruding change precision increasing material manufacturing equipment of band stirring and choke preventing function |
| CN110450402A (en) * | 2019-08-22 | 2019-11-15 | 陕西科技大学 | A kind of bi-material layers 3D printing extrusion device and its application method |
| WO2021170740A1 (en) * | 2020-02-28 | 2021-09-02 | Hans Weber Maschinenfabrik Gmbh | Extrusion system for the extrusion-based manufacture of at least one three-dimensional object |
| CN113352601A (en) * | 2021-05-12 | 2021-09-07 | 西安交通大学 | 3D printing device and method for high-viscosity resin multiple concentric structure |
| CN113752543A (en) * | 2021-08-04 | 2021-12-07 | 江苏海洋大学 | 3D printing nozzle assembly capable of mixing materials |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205601184U (en) * | 2016-05-06 | 2016-09-28 | 宁波高新区多维时空科技有限公司 | Granular material extrudees wire feed system |
| CN205685756U (en) * | 2016-06-16 | 2016-11-16 | 苟敬东 | A kind of pay-off of 3D printer |
| CN107214956A (en) * | 2017-05-16 | 2017-09-29 | 武汉理工大学 | A kind of utilization PET material is the 3D printing shower nozzle of shape wire |
-
2018
- 2018-08-01 CN CN201810859606.9A patent/CN109094027A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205601184U (en) * | 2016-05-06 | 2016-09-28 | 宁波高新区多维时空科技有限公司 | Granular material extrudees wire feed system |
| CN205685756U (en) * | 2016-06-16 | 2016-11-16 | 苟敬东 | A kind of pay-off of 3D printer |
| CN107214956A (en) * | 2017-05-16 | 2017-09-29 | 武汉理工大学 | A kind of utilization PET material is the 3D printing shower nozzle of shape wire |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110014643A (en) * | 2019-03-11 | 2019-07-16 | 华中科技大学 | A kind of more material gradient shaping molten extrusion systems for 3D printing |
| CN110014643B (en) * | 2019-03-11 | 2024-03-19 | 华中科技大学 | Multi-material gradient forming melt extrusion system for 3D printing |
| CN110126263A (en) * | 2019-05-24 | 2019-08-16 | 中国科学院福建物质结构研究所 | A kind of screw extruding change precision increasing material manufacturing equipment of band stirring and choke preventing function |
| CN110450402A (en) * | 2019-08-22 | 2019-11-15 | 陕西科技大学 | A kind of bi-material layers 3D printing extrusion device and its application method |
| WO2021170740A1 (en) * | 2020-02-28 | 2021-09-02 | Hans Weber Maschinenfabrik Gmbh | Extrusion system for the extrusion-based manufacture of at least one three-dimensional object |
| CN113352601A (en) * | 2021-05-12 | 2021-09-07 | 西安交通大学 | 3D printing device and method for high-viscosity resin multiple concentric structure |
| CN113752543A (en) * | 2021-08-04 | 2021-12-07 | 江苏海洋大学 | 3D printing nozzle assembly capable of mixing materials |
| CN113752543B (en) * | 2021-08-04 | 2024-03-22 | 江苏海洋大学 | 3D printing spray head assembly capable of mixing materials |
| CN115056475A (en) * | 2022-05-11 | 2022-09-16 | 福建师范大学 | Surface hole controllable device design based on double-feeding single-shaft 3D printing and photocatalytic application thereof |
| CN115056475B (en) * | 2022-05-11 | 2023-10-20 | 福建师范大学 | Surface hole controllable device design based on double-feeding single-shaft 3D printing and photocatalysis application thereof |
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