CN110370624A - A kind of screw type 3D printing extruder - Google Patents
A kind of screw type 3D printing extruder Download PDFInfo
- Publication number
- CN110370624A CN110370624A CN201910712510.4A CN201910712510A CN110370624A CN 110370624 A CN110370624 A CN 110370624A CN 201910712510 A CN201910712510 A CN 201910712510A CN 110370624 A CN110370624 A CN 110370624A
- Authority
- CN
- China
- Prior art keywords
- stepper motor
- sink body
- hole
- trunnion
- connection frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010146 3D printing Methods 0.000 title claims description 16
- 239000004033 plastic Substances 0.000 claims abstract description 34
- 229920003023 plastic Polymers 0.000 claims abstract description 34
- 238000001816 cooling Methods 0.000 claims abstract description 27
- 238000004891 communication Methods 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 9
- 230000017525 heat dissipation Effects 0.000 claims description 5
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 abstract description 6
- 239000007921 spray Substances 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 210000000867 larynx Anatomy 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 238000010257 thawing 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
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/118—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
-
- 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
-
- 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
- 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
Abstract
The invention discloses a kind of screw type D to print extruder, including stepper motor, plastics bar, support connection frame, sink body, trunnion, heat block, conduction pipe, radiator fan and cooling fan, heat block is fixedly connected on the lower part of sink body, stepper motor, support connection frame, sink body and heat block are provided with perforative first central through hole from top to bottom, the central axis of stepper motor has a tapped through-hole along axial, plastics bar passes through the through-hole of central axis of stepper motor and the outer surface of the plastics bar is provided with external screw thread, trunnion is arranged in first central through hole, the lower part of plastics bar passes through trunnion and there is gap therebetween, radiator fan air outlet is towards sink body, the inlet communication of cooling fan air outlet and conduction pipe, central through hole of the outlet of conduction pipe towards heat block Outlet setting.Bar extrusion of the present invention is easier to, cooling efficiency is high, low in cost, structure is simple, convenient for operation.
Description
Technical field
The invention belongs to 3D printer technical fields, are specifically related to a kind of screw type 3D printing extruder.
Background technique
With the development of the times, 3D printing technique is constantly progressive, and application field is more and more wider, and extruder emerges one after another, spiral shell
Bar extruder is the pressure and shearing force for relying on screw rod rotation to generate, and material can be allowed sufficiently to carry out plasticizing and uniformly mix
It closes, is formed by mouth mold.The 3D printing extruder of the prior art all has that the more difficult and cooling efficiency of extrusion is low, existing city
Extruder on face is straight spur gear and U-shaped bearing fit, is squeezed out by friction, such as 108081593 A of patent CN is
Slide plate pump type extruder, the extruder structure is simple but it does not have radiator portion, and spray head is be easy to cause to block.
Summary of the invention
It is an object of that present invention to provide a kind of screw type 3D printing extruders to solve problem above.
To achieve the goals above, The technical solution adopted by the invention is as follows:
A kind of screw type 3D printing extruder, including stepper motor, plastics bar, support connection frame, sink body, larynx
Pipe, heat block, conduction pipe, radiator fan and cooling fan, the stepper motor is fixed on the top of support connection frame, described to dissipate
Backing body is fixed on the lower part of support connection frame, and the heat block is fixedly connected on the lower part of the sink body, the stepping
Motor, support connection frame, sink body and heat block are provided with perforative first central through hole, the stepping electricity from top to bottom
The central axis of machine is located in the central through hole of the stepper motor, and the central axis of the stepper motor is along axially with one with interior spiral shell
The through-hole of line, the plastics bar pass through the outer surface setting of the through-hole of the central axis of the stepper motor and the plastics bar
There is the external screw thread with the screw-internal thread fit of the central axis of stepper motor, the trunnion is arranged in first central through hole, institute
The top for stating trunnion is located in sink body, lower part is located in heat block, the lower part of the plastics bar across the trunnion and
Therebetween there are gap, the radiator fan is fixed on support connection frame and its air outlet is towards sink body, described cold
But fan is fixed on support connection frame and the inlet communication of its air outlet and conduction pipe, and the outlet of the conduction pipe is towards heating
The outlet of the central through hole of block is arranged.
Further, the outer surface of the sink body is provided with the multi-layer heat dissipation piece being arranged successively from top to bottom.
Further, the stepper motor, sink body, radiator fan and cooling fan pass through bolt and support connection frame
It is fixedly connected.
Further, the radiator fan and cooling fan are individually fixed in two different sides of support connection frame
On.
Further, the top of the conduction pipe is connect by pin with cooling fan.
Compared with the prior art, advantages of the present invention are as follows:
(1) central axis of stepper motor of the present invention is located in the central through hole of stepper motor, the central axis edge of stepper motor
Axial have a tapped through-hole, and plastics bar passes through the outer of the through-hole of the central axis of stepper motor and the plastics bar
Surface is provided with the external screw thread with the screw-internal thread fit of the central axis of stepper motor, and the plastics of melting state are gone out by screw extrusion
Bar provides driving force with screw, easy to operate, squeezes out and is easy and will not destroy bar；
(2) trunnion material is titanium alloy, has the characteristics that heat resistance is high, thermal coefficient is small, anti-oxidant, tensile strength is high,
Heating deblocking temperature can be effectively prevented to rise along trunnion, melt the plastics bar above trunnion, and after temperature reduces cooling
Continue to solidify, central through hole is allowed to block, influences 3D printer spray head wire vent；
(3) when heating rod continuous heating, mechanism temperature is got higher, and the excessively high efficiency that will affect mechanism of temperature and can block larynx
Pipe, so to radiate to wire vent mechanism, is radiated, there are gaps between sink body, among it using sink body
Medium be air, the heat of sheet body can be transferred in air, and hot-air convection leads to heat retention, and sink body will be made all
Enclosing temperature will continue to get higher, and still will affect the efficiency of mechanism, and the present invention uses radiator fan forced heat radiation, add cooling wind
It fans and forced heat radiation is carried out to the printed material that spray head squeezes out, accelerate the cooling procedure through spray head extruded material, realize that it is quickly solid
Change.
Detailed description of the invention
Fig. 1 is the overall structure front schematic view of the screw type 3D printing extruder of the present invention.
Fig. 2 is the overall structure reverse side schematic diagram of the screw type 3D printing extruder of the present invention.
Fig. 3 is the cross-sectional view of the screw type 3D printing extruder of the present invention.
Fig. 4 is stepper motor of the present invention and plastics bar spiral squeezing schematic diagram.
Fig. 5 is support connection frame structural schematic diagram of the present invention
Fig. 6 is conduction pipe structural schematic diagram of the present invention.
Specific embodiment
Realization of the invention is described in detail below in conjunction with specific embodiment.
As shown in figures 1 to 6, a kind of screw type 3D printing extruder, including stepper motor 1, plastics bar 2, support connection
Frame 3, sink body 5, trunnion 6, heat block 7, conduction pipe 8, radiator fan 4 and cooling fan 9, the stepper motor 1 are fixed on
The top of support connection frame 3, the sink body 5 are fixed on the lower part of support connection frame 3, and the heat block 7 is fixedly connected on
The lower part of the sink body 5, the stepper motor 1, support connection frame 3, sink body 5 and heat block 7 are arranged from top to bottom
There is perforative first central through hole, the central axis of the stepper motor 1 is located in the central through hole of the stepper motor 1, institute
The central axis for stating stepper motor 1 has a tapped through-hole along axial, and the plastics bar 2 passes through the stepper motor 1
The through-hole of central axis and the outer surface of the plastics bar 2 be provided with and the screw-internal thread fit of the central axis of stepper motor 1
External screw thread goes out the plastics bar 1 of melting state by screw extrusion, provides driving force, 1 central axis of stepper motor with screw
Internal screw thread is engaged with the external screw thread of plastics bar 2, and stepper motor 1 rotates, and plastics bar 2 is set by spiral squeezing, the trunnion 6
It sets in first central through hole, the top of the trunnion 6 is located in sink body 5, lower part is located in heat block 7, described
The lower part of plastics bar 2 passes through the trunnion 6 and there is gap therebetween, and the trunnion 6 passes through screw thread for 5 He of sink body
Heat block 7 connects, and bar 2 is enabled smoothly to be melted into spray head, and trunnion 6 is made of the low titanium alloy of thermal conductivity, this
Sample can effectively prevent heating deblocking temperature along its rising, melt the plastics bar 2 above it, and after temperature reduces cooling
Continue to solidify, block central through hole, influence 3D printer spray head wire vent, the radiator fan 4 be fixed on support connection frame 3 and
Its air outlet towards sink body 5, the cooling fan 9 be fixed on support connection frame 3 and its air outlet and conduction pipe 8 into
The outlet of mouth connection, the conduction pipe 8 is arranged towards the outlet of the central through hole of heat block 7, and trunnion 6 is as plastics bar 2
Channel, there are gap between trunnion 6 and plastics bar 2, when mechanism when the temperature is excessively high, the plastics bar 2 after thawing, which can flow back, leads
Trunnion 6 is caused to block, the present invention is radiated using sink body 5, and the gap between sink body 5 is smaller, Jie between sheet body
Matter is air, and the heat of sheet body can be transferred in air, and hot-air convection leads to heat retention, then 5 surrounding temperature of sink body
Degree will continue to get higher, and sink body 5 has not worked at this time, so the present invention is radiated using radiator fan semi-finals system, reuse one
The printed material that a cooling fan 9 squeezes out spray head (spray head connects to be not shown in the figure in the lower part of heat block 7) carries out forcing to dissipate
Heat accelerates the cooling procedure through spray head extruded material, realizes its quick-setting effect.
Further, the outer surface of the sink body 5 is provided with the multi-layer heat dissipation piece being arranged successively from top to bottom, described
The material of sink body 5 can be fine aluminium, because not only heat-sinking capability is strong for fine aluminium, but also softer, be more convenient for processing.
Further, the stepper motor 1, sink body 5, radiator fan 4 and cooling fan 9 are connected by bolt and bearing
Frame 3 is connect to be fixedly connected.
Further, the radiator fan 4 and cooling fan 9 are individually fixed in two different sides of support connection frame 3
It on face, and radiates simultaneously to the plastics bar 2 of extrusion, the cooling procedure of extruded material can be accelerated in this way, realize that it is fast
Speed solidification, improves efficiency.
Further, the top of the conduction pipe 8 is connect by pin with cooling fan 9, the wind pair that cooling fan 9 is generated
Spray head heat dissipation.
The processing of 2 external threading of plastics bar, 1 central axis tapping thread of the stepper motor processing of extruder, the two pass through spiral shell
Line cooperation squeezes out.Plastics bar 2 passes through sink body 5, and by trunnion 6, sink body 5 radiates to trunnion 6, plastics bar
2 via 7 heating and melting of heat block at half solid-liquid state, finally sprayed by spray head, based on digital model file, by by
Layer accumulation mode carrys out work.
With this, 3D printing extruder has overcome the problems, such as to squeeze out low, the of the invention fashion of extrusion of more difficult and cooling efficiency
It is to be engaged by the stepper motor 1 of central axis tapping thread with the plastics bar 2 of external threading, is squeezed out with screw
The plastics bar 2 of melting state, and cooling segment is made of sink body 5, radiator fan 4 and cooling fan 9, is efficiently solved
Cooling efficiency low problem.
Basic principles and main features and advantage of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (4)
1. a kind of screw type 3D printing extruder, including stepper motor (1), plastics bar (2), support connection frame (3), heat dissipation
Sheet body (5), trunnion (6), heat block (7), conduction pipe (8), radiator fan (4) and cooling fan (9), the stepper motor (1)
It is fixed on the top of support connection frame (3), the sink body (5) is fixed on the lower part of support connection frame (3), the heat block
(7) lower part of the sink body (5), the stepper motor (1), support connection frame (3), sink body (5) are fixedly connected on
It is provided with perforative first central through hole from top to bottom with heat block (7), the central axis of the stepper motor (1) is located at described
In the central through hole of stepper motor (1), the central axis of the stepper motor (1) has a tapped through-hole, institute along axial
State plastics bar (2) across the stepper motor (1) the through-hole of central axis and the outer surface of the plastics bar (2) be provided with
With the external screw thread of the screw-internal thread fit of the central axis of stepper motor (1), the trunnion (6) is arranged in first central through hole
Interior, the top of the trunnion (6) is located in sink body (5), lower part is located in heat block (7), under the plastics bar (2)
Portion passes through the trunnion (6) and there is gap therebetween, and the radiator fan (4) is fixed on support connection frame (3) and it
Air outlet is towards sink body (5), and the cooling fan (9) is fixed on support connection frame (3) and its air outlet and conduction pipe
(8) outlet of inlet communication, the conduction pipe (8) is arranged towards the outlet of the central through hole of heat block (7).
2. screw type 3D printing extruder according to claim 1, which is characterized in that the trunnion (6) passes through screw thread
Sink body (5) and heat block (7) are connected, the trunnion (6) is made of titanium alloy.
3. screw type 3D printing extruder according to claim 2, which is characterized in that outside the sink body (5)
Surface is provided with the multi-layer heat dissipation piece being arranged successively from top to bottom, and the material of the sink body (5) is fine aluminium.
4. screw type 3D printing extruder according to claim 3, which is characterized in that the radiator fan (4) and cold
But fan (9) is individually fixed on two different sides of support connection frame (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910712510.4A CN110370624A (en) | 2019-08-02 | 2019-08-02 | A kind of screw type 3D printing extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910712510.4A CN110370624A (en) | 2019-08-02 | 2019-08-02 | A kind of screw type 3D printing extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110370624A true CN110370624A (en) | 2019-10-25 |
Family
ID=68257854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910712510.4A Pending CN110370624A (en) | 2019-08-02 | 2019-08-02 | A kind of screw type 3D printing extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110370624A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104690962A (en) * | 2013-12-10 | 2015-06-10 | 重庆市云连科技有限公司 | Spiral wire feeding high-stability extrusion head |
| CN205889893U (en) * | 2015-11-19 | 2017-01-18 | 上海复志信息技术有限公司 | A shower nozzle device for 3D printer |
| CN208855047U (en) * | 2018-07-26 | 2019-05-14 | 中科院广州电子技术有限公司 | A kind of three-dimensional printer single motor extrusion system that can actively switch print head |
| CN110039765A (en) * | 2019-04-23 | 2019-07-23 | 锐力斯传动系统（苏州）有限公司 | A kind of 3D printer modern print heads |
| CN210679725U (en) * | 2019-08-02 | 2020-06-05 | 常熟理工学院 | Spiral 3D prints extruder |
-
2019
- 2019-08-02 CN CN201910712510.4A patent/CN110370624A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104690962A (en) * | 2013-12-10 | 2015-06-10 | 重庆市云连科技有限公司 | Spiral wire feeding high-stability extrusion head |
| CN205889893U (en) * | 2015-11-19 | 2017-01-18 | 上海复志信息技术有限公司 | A shower nozzle device for 3D printer |
| CN208855047U (en) * | 2018-07-26 | 2019-05-14 | 中科院广州电子技术有限公司 | A kind of three-dimensional printer single motor extrusion system that can actively switch print head |
| CN110039765A (en) * | 2019-04-23 | 2019-07-23 | 锐力斯传动系统（苏州）有限公司 | A kind of 3D printer modern print heads |
| CN210679725U (en) * | 2019-08-02 | 2020-06-05 | 常熟理工学院 | Spiral 3D prints extruder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110370624A (en) | A kind of screw type 3D printing extruder | |
| CN210679725U (en) | Spiral 3D prints extruder | |
| CN210552929U (en) | High-efficient extrusion device that modifies of waste plastic | |
| CN207808445U (en) | A kind of cooling device producing plastic material extruder | |
| CN110920064A (en) | 3D is quick cooling device for printer | |
| CN217622117U (en) | Temperature control device of plastic extruding machine for producing extruded sheet | |
| CN110509544A (en) | One kind four enters two and goes out formula composite material 3D printing head | |
| CN207657153U (en) | Cold -feed extrusion device | |
| CN211165360U (en) | Rubber bar-shaped 3D printing material heating extruder | |
| CN209552444U (en) | A kind of 3D printer process extrusion component | |
| CN208576172U (en) | A kind of plastic pipe extruder | |
| CN208263380U (en) | A kind of sheet extruder | |
| CN206501410U (en) | Water-cooling screw extruder | |
| CN220679380U (en) | Multi-screw double-bin metal 3D printing spray head | |
| CN114043720B (en) | Printing head of 3D printer | |
| CN212920324U (en) | Ground heating coil extrusion molding device | |
| CN110477430A (en) | A kind of twin-screw extruder | |
| CN210617348U (en) | PBT raw materials production is with polymerization mixing arrangement for blending | |
| CN217073364U (en) | 3D prints extrusion mechanism | |
| CN213353559U (en) | 3D is shower nozzle anti-blocking mechanism for printer | |
| CN220183382U (en) | Laser cladding equipment with heating function | |
| CN218171422U (en) | 3D print head cooling device | |
| CN218821863U (en) | Heat dissipation copper pipe convenient to installation is dismantled | |
| CN213860595U (en) | High-efficient bamboo powder toothbrush handle extrusion molding equipment | |
| CN217395652U (en) | High-efficient extruder of twin-screw |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |