CN208682136U - A kind of high temperature 3D printing head - Google Patents
A kind of high temperature 3D printing head Download PDFInfo
- Publication number
- CN208682136U CN208682136U CN201821399340.6U CN201821399340U CN208682136U CN 208682136 U CN208682136 U CN 208682136U CN 201821399340 U CN201821399340 U CN 201821399340U CN 208682136 U CN208682136 U CN 208682136U
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- Prior art keywords
- material extrusion
- head
- trunnion
- stainless steel
- printing
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- Expired - Fee Related
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- 238000010146 3D printing Methods 0.000 title claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 86
- 238000001125 extrusion Methods 0.000 claims abstract description 66
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 40
- 239000010935 stainless steel Substances 0.000 claims abstract description 40
- 239000007921 spray Substances 0.000 claims abstract description 38
- 238000002844 melting Methods 0.000 claims abstract description 35
- 230000008018 melting Effects 0.000 claims abstract description 35
- 238000007639 printing Methods 0.000 claims abstract description 19
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 14
- 239000004411 aluminium Substances 0.000 claims abstract description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000004809 Teflon Substances 0.000 claims abstract description 6
- 229920006362 Teflon® Polymers 0.000 claims abstract description 6
- 238000005096 rolling process Methods 0.000 claims abstract description 4
- 238000001816 cooling Methods 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 210000000867 larynx Anatomy 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of high temperature 3D printing heads, characterized in that X-axis linear bearing and Y-axis linear bearing are arranged in a crossed manner in the square base of crosshead shoe one on the other；Material extrusion mechanism is located on crosshead shoe, and the longitudinal threading hole passed through for printing wire rod is equipped with inside material extrusion head, and material extrusion head is equipped with the gear and bearing roller of relative rolling setting in the left and right sides of longitudinal threading hole, and geared sleeve is on the output shaft of material extrusion stepper motor；3D printing spray head is engaged on crosshead shoe bottom, and the aluminium block of print head covers on stainless steel trunnion and melting spray head, and stainless steel trunnion and melting spray head are linked together.Its advantage is that: it is compact-sized, scientific；Short distance feeding, feeding are more accurate；Temperature-measuring range is wider；Teflon pipe and stainless steel trunnion heat insula tion, printing wire vent is uniformly smooth accurate, and printing effect is more preferably；It is easy for assemble or unload, it is easy to maintain；The printed material temperature of support is up to 500 degrees Celsius.
Description
Technical field
The utility model relates to a kind of 3D printers more particularly to a kind of rapid shaping 3D based on high-temperature fusion accumulation to beat
Print machine.
Background technique
3D printer is a kind of electromechanical integration equipment of precision, generally the X-axis, Y-axis and Z axis three by being arranged on the rack
A axis composition, X-axis and Y-axis are located in an XY plane of movement perpendicular to Z axis, are referred to as XY axis；3D printing head is arranged in X-axis
On, X-axis is set in Y-axis, is moved independently of each other between X-axis, Y-axis and Z axis, between being adjusted between them by print platform
Away from, realize 3D printer three-dimensional printing work.
Fused glass pellet technology (FDM) 3D printer is that material is first transmitted to heated print head, is then beaten
Print head heats printed material, then the material melts in print head are pressed down against by feeding mechanism by thawing again
Material is extruded from printing head and is printed.The structure of print head is very big to the effect of printing, current many 3D printers
Structure there are technological deficiencies in heat treatment, it is unstable often to occur print temperature in print procedure, causes to print wire vent
It has some setbacks, wire vent is uneven, is easy blocking print head, the problems such as printing precision is poor, more serious, will lead to can not print.
Utility model content
To solve drawbacks described above existing for existing 3D printer, the utility model provides a kind of high temperature 3D printing head,
Scheme is as follows:
A kind of high temperature 3D printing head, characterized in that include:
Crosshead shoe, the XY axial plane movement mechanism as the plane motion carrier of high temperature 3D printing head, with 3D printer
In X-axis and Y-axis cooperation generate plane motion；It includes square base, X-axis linear bearing, Y-axis linear bearing, lid line plate, side
Shape base interior is equipped with the longitudinal threading slot passed through for printing wire rod, and the side for covering longitudinal threading groove hole is arranged in lid line plate
The outside of shape pedestal；The through hole that horizontal plane is arranged in a crisscross manner one on the other, X-axis linear bearing and Y are equipped in square base
Axis linear bearing is arranged in a crossed manner in corresponding through hole one on the other；
The top of crosshead shoe is arranged in material extrusion mechanism, is transported in 3D printing head for that will print wire rod, material extrusion mechanism
Including material extrusion seat, material extrusion stepper motor and material extrusion head；Material extrusion stepper motor is set to material extrusion seat side, and the setting of material extrusion head erect is being squeezed
Expect on seat；The longitudinal threading hole passed through for printing wire rod is equipped with inside material extrusion head, material extrusion head is in the left and right sides of longitudinal threading hole
Feedhole equipped with a pair of opposing, feedhole are connected to longitudinal threading hole, and relative rolling setting is respectively equipped in feedhole
Gear and bearing roller, the output shaft of material extrusion stepper motor puts in the feedhole where gear, and geared sleeve is in material extrusion stepping electricity
On the output shaft of machine, the small gap passed through for printing wire rod is formed in longitudinal threading hole between gear and bearing roller；It squeezes
Material head is equipped with crowded material mouth and discharge port in longitudinal threading hole upper and lower part；
3D printing spray head is engaged on crosshead shoe bottom, beats for that will print to carry out increasing material after wire rod melting and be printed upon 3D
Print carrier on, print head includes stainless steel trunnion, by printed material melting and squeeze out melting spray head, and to melting spray head into
The aluminium block of row heating；Stainless steel trunnion upper end is fixed on crosshead shoe bottom, and melting spray head is arranged in stainless steel trunnion lower end, melts
Melt-blown head is connected to by stainless steel trunnion with the discharge port of material extrusion mechanism；Aluminium block covers on stainless steel trunnion and melting spray head, will
Stainless steel trunnion and melting spray head link together；Melting spray head is fixed on stainless steel trunnion lower end, and stainless steel trunnion upper end is solid
It is scheduled on crosshead shoe and is communicated with the discharge port of material extrusion mechanism；Heating tube and thermocouple are embedded in aluminium block；On melting spray head
Portion is mounting portion, and melting spray head lower part is equipped with the nozzle of conical structure, and nozzle interior is equipped with the molten chamber of a reverse frustoconic structure,
The spray orifice extended to outside nozzle is equipped with below molten chamber.
As an improvement of the above scheme and illustrate, the X-axis linear bearing and Y-axis linear bearing number of aforementioned crosshead shoe setting
Amount is two sets；Crosshead shoe bottom is equipped with trunnion cooling fin, and trunnion cooling fin one end is set in stainless steel trunnion top, trunnion
The cooling fin other end reaches by crosshead shoe side, and the extension top surface of trunnion cooling fin is equipped with trunnion radiator fan, trunnion
The extension bottom surface of cooling fin is equipped with model radiator fan, and linking has wind-guiding of the air port against nozzle below model radiator fan
Accessory.
As an improvement of the above scheme and explanation, aforementioned material extrusion seat are equipped with the drag chain of constraint wire rod；Material extrusion seat side is set
There is material extrusion radiator fan.
As an improvement of the above scheme and illustrate, the inside of aforementioned stainless steel trunnion, which is equipped with, to be extended in nozzle.It is beating
When print temperature requirement is lower, it is applicable in when being such as not higher than 260 DEG C.Teflon pipe is not set inside stainless steel trunnion, in stainless steel trunnion
Portion hole direct mode operation, the print temperature supported in this way are higher.
As the leader of above scheme, high temperature 3D printing head by the way of short distance feeding, directly pacify by material extrusion mechanism
Mounted in crosshead shoe top, 3D printing spray head is engaged on crosshead shoe bottom, and feed distance is short, and feeding is more acurrate.Avoid length
It will be influenced by passage gap apart from feeding, when feeding pumpback, printed material bending deformation in passage, thus
Affect the precision of feeding.X-axis and Y-axis in XY axial plane movement mechanism are passed through by X-axis linear bearing and Y-axis linear bearing
The movement of crosshead shoe, X-axis and Y-axis directly drives the movement of high temperature 3D printing head, and X-axis and Y-axis are mutual in different planar movements
It does not interfere, positioning accuracy is high.Trunnion cooling fin is used to radiate to stainless steel trunnion, prevents the printed material mistake in stainless steel trunnion
Early fusing.The high-temperature heating part of printing head passes through stainless steel trunnion and is affixed to crosshead shoe bottom, stainless steel larynx band
Pipe is passed through from the trunnion cooling fin under crosshead shoe, and stainless steel thermal coefficient is lower, is conducive to heating part temperature and is kept stablizing.
The installation of TC directly surveys the temperature of aluminium block in aluminium block, and the thermal conductivity of aluminium is very good, and thermocouple temperature measurement precision is high.
From the foregoing, it will be observed that the utility model has the advantage that structure is simple, compact, scientific, design rationally, is easy system
It makes；Short distance feeding, feeding are more accurate；Thermocouple temperature measurement, more acurrate, temperature-measuring range is wider；Teflon pipe and stainless steel trunnion
Heat insula tion, printing wire vent is uniformly smooth accurate, and printing effect is more preferably；It is easy for assemble or unload, it is easy to maintain；The printing material of support
Material temperature degree is up to 500 degrees Celsius；Realize the stable molding of high-temperature material.
Detailed description of the invention
Fig. 1 is the main view that the utility model is implemented.
Fig. 2 is the perspective view of Fig. 1.
Fig. 3 is the B-B direction cross-sectional view of Fig. 1.
Drawing reference numeral explanation: 5- material extrusion mechanism, 6-3D printing head, 9- crosshead shoe；50- material extrusion seat, 51- material extrusion
Head 52- material extrusion stepper motor, the longitudinal direction 53- threading hole, 54- output shaft, 55- gear, 56- bearing roller, 57- crowded material mouth,
58- discharge port, 59- feedhole, 5a- material extrusion radiator fan, 5b- drag chain；60- melting spray head, 61- stainless steel trunnion, 62-
Aluminium block, 63- Teflon pipe, 64- nozzle, 65- melt chamber, 66- spray orifice, 68- heating tube, 69- thermocouple；90- square base,
91-X axis linear bearing, 92-Y axis linear bearing, 93- longitudinally thread slot, 94- lid line plate, 95- through hole, 96- trunnion
Cooling fin, 97- trunnion radiator fan, 98- model radiator fan, 99- wind-guiding accessory.
Specific embodiment
With reference to the accompanying drawing and preferred embodiment, the utility model and its advantageous effects are carried out further detailed
It describes in detail bright.
Referring to Fig. 1 ~ Fig. 3, a kind of high temperature 3D printing head 6, characterized in that include:
Crosshead shoe 9, the XY axial plane fitness machine as the plane motion carrier of high temperature 3D printing head 6, with 3D printer
X-axis and Y-axis cooperation in structure generate plane motion；It includes square base 90, X-axis linear bearing 9191, Y-axis linear bearing
92, lid line plate 94, is equipped with the longitudinal threading slot 93 passed through for printing wire rod inside square base 90, and the setting of lid line plate 94 will be will
The outside for the square base 90 that longitudinal threading slot 93 covers；Horizontal plane one on the other is equipped in square base 90 to set in a crisscross manner
The through hole 95 set, X-axis linear bearing 9191 and Y-axis linear bearing 92 are arranged in a crossed manner in corresponding through hole 95 one on the other
It is interior；
The top of crosshead shoe 9 is arranged in material extrusion mechanism 5, is transported in 3D printing head 6 for that will print wire rod, material extrusion
Mechanism 5 includes material extrusion seat 50, material extrusion stepper motor 52 and material extrusion head 51；Material extrusion stepper motor 52 is set to 50 side of material extrusion seat, squeezes
Material head 51 is vertically arranged on material extrusion seat 50；The longitudinal threading hole 53 passed through for printing wire rod, material extrusion are equipped with inside material extrusion head 51
First 51 are equipped with the feedhole 59 of a pair of opposing, feedhole 59 and longitudinal threading hole 53 in the left and right sides of longitudinal threading hole 53
It is connected to, the gear 55 and bearing roller 56 of relative rolling setting, the output of material extrusion stepper motor 52 is respectively equipped in feedhole 59
Axis 54 puts in the feedhole 59 where gear 55,55 sets of gear on the output shaft 54 of material extrusion stepper motor 52, gear 55 and axis
It holds and forms the small gap passed through for printing wire rod in longitudinal threading hole 53 between idler wheel 56；Material extrusion head 51 is in longitudinal threading hole
53 upper and lower parts are equipped with crowded material mouth 57 and discharge port 58；
3D printing spray head is engaged on 9 bottom of crosshead shoe, beats for that will print to carry out increasing material after wire rod melting and be printed upon 3D
It prints on carrier, print head includes stainless steel trunnion 61, is sprayed by printed material melting and the melting spray head 60 of extrusion, and to melting
First 60 aluminium blocks 62 heated；61 upper end of stainless steel trunnion is fixed on 9 bottom of crosshead shoe, and melting spray head 60 is arranged stainless
61 lower end of steel trunnion, melting spray head 60 are connected to by stainless steel trunnion 61 with the discharge port 58 of material extrusion mechanism 5；62 sets of aluminium block not
It becomes rusty on steel trunnion 61 and melting spray head 60, stainless steel trunnion 61 and melting spray head 60 is linked together；Melting spray head 60 is fixed
In 61 lower end of stainless steel trunnion, 61 upper end of stainless steel trunnion be fixed on crosshead shoe 9 and with 58 phase of the discharge port of material extrusion mechanism 5
It is logical；Heating tube 68 and thermocouple 69 are embedded in aluminium block 62；60 top of melting spray head is mounting portion, and 60 lower part of melting spray head is equipped with
The nozzle 64 of conical structure is equipped with the molten chamber 65 of a reverse frustoconic structure inside nozzle 64, is equipped with and extends to below molten chamber 65
Spray orifice 66 outside nozzle 64.
Referring to fig. 2, the X-axis linear bearing 9191 and 92 quantity of Y-axis linear bearing that crosshead shoe 9 is arranged are two sets；Ten
9 bottom of word sliding block is equipped with trunnion cooling fin 96, and 96 one end of trunnion cooling fin is set in 61 top of stainless steel trunnion, trunnion cooling fin
96 other ends reach by 9 side of crosshead shoe, and the extension top surface of trunnion cooling fin 96 is equipped with trunnion radiator fan 97, trunnion
The extension bottom surface of cooling fin 96 is equipped with model radiator fan 98, and linking has air port against nozzle below model radiator fan 98
64 wind-guiding accessory 99.
Referring to fig. 2, material extrusion seat 50 is equipped with the drag chain 5b of constraint wire rod；50 side of material extrusion seat is equipped with material extrusion radiator fan
5a。
Referring to Fig. 3, the inside of stainless steel trunnion 61 is equipped with the Teflon pipe 63 extended in nozzle 64.
Book and specific embodiment do not constitute any restrictions to the utility model according to the above description, and the utility model is not
It is confined to specific embodiment disclosed and described above, to some modification and variation of the utility model, it should also fall into this
In the scope of protection of the claims of utility model.
Claims (4)
1. a kind of high temperature 3D printing head, characterized in that include:
Crosshead shoe, as the X in the plane motion carrier of high temperature 3D printing head, with the XY axial plane movement mechanism of 3D printer
Axis and Y-axis cooperation generate plane motion；It includes square base, X-axis linear bearing, Y-axis linear bearing, lid line plate, rectangular base
Seat is internal to be equipped with the longitudinal threading slot passed through for printing wire rod, and the rectangular base for covering longitudinal threading groove hole is arranged in lid line plate
The outside of seat；The through hole that horizontal plane is arranged in a crisscross manner one on the other is equipped in square base, X-axis linear bearing and Y-axis are straight
Spool holds arranged in a crossed manner in corresponding through hole one on the other；
The top of crosshead shoe is arranged in material extrusion mechanism, is transported in 3D printing head for that will print wire rod, material extrusion mechanism includes
Material extrusion seat, material extrusion stepper motor and material extrusion head；Material extrusion stepper motor is set to material extrusion seat side, and material extrusion head erect is arranged in material extrusion seat
On；The longitudinal threading hole passed through for printing wire rod is equipped with inside material extrusion head, material extrusion head is equipped in the left and right sides of longitudinal threading hole
The feedhole of a pair of opposing, feedhole are connected to longitudinal threading hole, and the tooth of relative rolling setting is respectively equipped in feedhole
Wheel and bearing roller, the output shaft of material extrusion stepper motor put in the feedhole where gear, and geared sleeve is in material extrusion stepper motor
On output shaft, the small gap passed through for printing wire rod is formed in longitudinal threading hole between gear and bearing roller；Material extrusion head
Crowded material mouth and discharge port are equipped in longitudinal threading hole upper and lower part；
3D printing spray head is engaged on crosshead shoe bottom, carries for that will print to carry out increasing material after wire rod melting and be printed upon 3D printing
On body, print head includes stainless steel trunnion, by printed material melting and the melting spray head of extrusion, and is added to melting spray head
The aluminium block of heat；Stainless steel trunnion upper end is fixed on crosshead shoe bottom, and the setting of melting spray head is in stainless steel trunnion lower end, melting spray
Head is connected to by stainless steel trunnion with the discharge port of material extrusion mechanism；Aluminium block covers on stainless steel trunnion and melting spray head, will be stainless
Steel trunnion and melting spray head link together；Melting spray head is fixed on stainless steel trunnion lower end, and stainless steel trunnion upper end is fixed on
It is communicated on crosshead shoe and with the discharge port of material extrusion mechanism；Heating tube and thermocouple are embedded in aluminium block；Melting spray head top is
Mounting portion, melting spray head lower part are equipped with the nozzle of conical structure, and nozzle interior is equipped with the molten chamber of a reverse frustoconic structure, melt chamber
Lower section is equipped with the spray orifice extended to outside nozzle.
2. high temperature 3D printing head as described in claim 1, it is characterized in that: the X-axis linear bearing and Y of crosshead shoe setting
Axis linear bearing quantity is two sets；Crosshead shoe bottom is equipped with trunnion cooling fin, and trunnion cooling fin one end is set in stainless steel
Trunnion top, the trunnion cooling fin other end reach by crosshead shoe side, and the extension top surface of trunnion cooling fin is equipped with trunnion
Radiator fan, the extension bottom surface of trunnion cooling fin are equipped with model radiator fan, and linking has air port below model radiator fan
Against the wind-guiding accessory of nozzle.
3. high temperature 3D printing head as claimed in claim 2, it is characterized in that: the material extrusion seat is equipped with the drag chain of constraint wire rod；
Material extrusion seat side is equipped with material extrusion radiator fan.
4. high temperature 3D printing head as claimed in claim 3, it is characterized in that: the inside of the stainless steel trunnion, which is equipped with, extends to spray
Teflon pipe in mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821399340.6U CN208682136U (en) | 2018-08-29 | 2018-08-29 | A kind of high temperature 3D printing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821399340.6U CN208682136U (en) | 2018-08-29 | 2018-08-29 | A kind of high temperature 3D printing head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208682136U true CN208682136U (en) | 2019-04-02 |
Family
ID=65887444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821399340.6U Expired - Fee Related CN208682136U (en) | 2018-08-29 | 2018-08-29 | A kind of high temperature 3D printing head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208682136U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110125412A (en) * | 2019-06-25 | 2019-08-16 | 郑州轻工业学院 | A kind of 3D printing spray head with multistage heating and micro- molten bath |
| CN112606384A (en) * | 2020-11-03 | 2021-04-06 | 西安昆仑工业（集团）有限责任公司 | 3D printing device with adjustable printing line thickness |
| CN116198111A (en) * | 2023-01-05 | 2023-06-02 | 南京航空航天大学 | High-temperature melt extrusion continuous fiber/resin double-nozzle quick-change 3D printing head |
-
2018
- 2018-08-29 CN CN201821399340.6U patent/CN208682136U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110125412A (en) * | 2019-06-25 | 2019-08-16 | 郑州轻工业学院 | A kind of 3D printing spray head with multistage heating and micro- molten bath |
| CN112606384A (en) * | 2020-11-03 | 2021-04-06 | 西安昆仑工业（集团）有限责任公司 | 3D printing device with adjustable printing line thickness |
| CN116198111A (en) * | 2023-01-05 | 2023-06-02 | 南京航空航天大学 | High-temperature melt extrusion continuous fiber/resin double-nozzle quick-change 3D printing head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190402 |