CN111016162A - 3D prints quick melting device - Google Patents
3D prints quick melting device Download PDFInfo
- Publication number
- CN111016162A CN111016162A CN201911361763.8A CN201911361763A CN111016162A CN 111016162 A CN111016162 A CN 111016162A CN 201911361763 A CN201911361763 A CN 201911361763A CN 111016162 A CN111016162 A CN 111016162A
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- CN
- China
- Prior art keywords
- extrusion head
- heat dissipation
- support
- insulating cover
- feeding pipe
- 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
- 238000002844 melting Methods 0.000 title claims abstract description 12
- 230000008018 melting Effects 0.000 title claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 36
- 238000001125 extrusion Methods 0.000 claims abstract description 34
- 230000017525 heat dissipation Effects 0.000 claims abstract description 28
- 238000010146 3D printing Methods 0.000 claims abstract description 14
- 230000000149 penetrating effect Effects 0.000 claims abstract description 13
- 238000005485 electric heating Methods 0.000 claims abstract description 8
- 239000004579 marble Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 11
- 238000007639 printing Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012255 powdered metal Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
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- 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
- B29C64/295—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
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 relates to the technical field of 3D printing devices, in particular to a 3D printing rapid melting device; the device comprises a support, a feeding pipe and an extrusion head, wherein the feeding pipe and the extrusion head are respectively and fixedly connected to the support, the feeding pipe is communicated with the extrusion head, and a heating device is arranged on the extrusion head; the heating device comprises a heat conduction block, an electric heating wire, an insulating cover and a shell, wherein the heat conduction block is arranged in an inner cavity of the shell, the insulating cover is coated on the outer edge surface of the heat conduction block, and the electric heating wire is wound on the outer edge surface of the insulating cover; the extrusion head is arranged in the central through hole of the heat conducting block in a penetrating way; the heating device is reasonable in structure, the heat conducting block is heated well in balance by the annular heating wire, and consumables are extruded after being changed into a molten state in the heating module; the heat dissipation sleeve ensures sufficient extrusion thrust; the temperature sensing resistor can control the switch and the rotating speed of the fan, so that consumable materials are ensured to be in a proper temperature; more melt can be stored in the extrusion head effectively increasing the printing speed.
Description
Technical Field
The invention relates to the technical field of 3D printing devices, in particular to a 3D printing rapid melting device.
Background
3D printing (3DP), one of the rapid prototyping technologies, is a technology that constructs an object by printing layer by layer using an adhesive material such as powdered metal or plastic based on a digital model file. 3D printing is typically achieved using digital technology material printers; the method is often used for manufacturing models in the fields of mold manufacturing, industrial design and the like, and is gradually used for directly manufacturing some products, and parts printed by the technology are already available.
The 3D printer is printing the in-process, and the material need be through processes such as rapid heating, design and quick cooling, and the first heating element of extrusion of current 3D printer generally is small-size heating rod, extrudes the head and all wears to locate two types on the metal block with the heating rod downthehole, extrudes the material in the head through the heat-conduction melting of metal block. While the two holes are generally on the gauge side of the block, it takes time for the entire block to reach the same temperature. When larger metal blocks are used, the temperature is less likely to equilibrate rapidly, or more powerful heating rods are required. This results in a low melting speed of the consumable and a printing speed that is not too high.
Accordingly, the prior art is yet to be improved and developed.
Disclosure of Invention
The invention aims to provide a 3D printing fast melting device which is reasonable in structure, balanced in heating and large in feeding flux and can improve the printing efficiency aiming at the defects and the defects in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the 3D printing rapid melting device comprises a support, a feeding pipe and an extrusion head, wherein the feeding pipe and the extrusion head are respectively and fixedly connected to the support, the feeding pipe is communicated with the extrusion head, and a heating device is arranged on the extrusion head; the heating device comprises a heat conduction block, an electric heating wire, an insulating cover and a shell, wherein the heat conduction block is arranged in an inner cavity of the shell, the insulating cover is coated on the outer edge surface of the heat conduction block, and the electric heating wire is wound on the outer edge surface of the insulating cover; the extrusion head is arranged in the central through hole of the heat conduction block in a penetrating mode.
According to the scheme, the outer edge surface of the insulating cover is provided with an annular spacing groove, and the heating wire is wound in the spacing groove.
According to the scheme, the heat conducting block is provided with a temperature sensing hole, and a temperature sensing resistor is arranged in the temperature sensing hole.
According to the scheme, the heat dissipation sleeve is arranged on the support, and one end of the feeding pipe penetrates through the heat dissipation sleeve and the support to be connected with the extrusion head in a penetrating mode.
According to the scheme, one side of the heat dissipation sleeve is provided with the fan, and the fan is fixedly connected with the support.
According to the scheme, the support is provided with the connecting pipe, the lower end of the connecting pipe is arranged in the heat conducting block in a penetrating mode and is fixedly connected with the shell, the upper end of the connecting pipe is arranged in the heat dissipation sleeve in a penetrating mode, and the marble lock is arranged between the heat dissipation sleeve and the connecting pipe; the feeding pipe penetrates through the heat dissipation sleeve and the connecting pipe in sequence and then is connected with the extrusion head in a through mode.
The invention has the beneficial effects that: the heating device is reasonable in structure, the heat conducting block is heated well in balance through the annular heating wire, and the temperature of the heat conducting block is controlled through the temperature sensing resistor, so that consumable materials are extruded after being changed into a molten state in the heating module; the heat dissipation sleeve ensures that the consumable materials cannot be melted before the heating device so as to generate enough extrusion thrust; the temperature sensing resistor can control the switch and the rotating speed of the fan, so that consumable materials are ensured to be in a proper temperature; more melt can be stored in the extrusion head effectively increasing the printing speed.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic cross-sectional structure of the present invention.
In the figure:
1. a support; 2. a heat conducting block; 3. a heat dissipation sleeve; 11. a feed pipe; 12. an extrusion head; 13. a connecting pipe; 14. a ball lock; 21. an electric heating wire; 22. an insulating cover; 23. a housing; 24. a spacing groove; 25. a temperature sensing hole; 26. a temperature sensing resistor; 31. a fan.
Detailed Description
The technical solution of the present invention is described below with reference to the accompanying drawings and examples.
As shown in fig. 1-2, the 3D printing fast melting device according to the present invention includes a support 1, a feeding pipe 11 and an extrusion head 12, wherein the feeding pipe 11 and the extrusion head 12 are respectively and fixedly connected to the support 1, the feeding pipe 11 is connected to the extrusion head 12 in a penetrating manner, and the extrusion head 12 is provided with a heating device; the heating device comprises a heat conduction block 2, a heating wire 21, an insulating cover 22 and a shell 23, wherein the heat conduction block 2 is arranged in an inner cavity of the shell 23, the insulating cover 22 is coated on the outer edge surface of the heat conduction block 2, and the heating wire 21 is wound on the outer edge surface of the insulating cover 22; the extrusion head 12 is arranged in the central through hole of the heat conducting block 2 in a penetrating way; the feeding pipe 11 conveys the consumables to the extrusion head 12 through thrust under the action of the feeding mechanism, the annularly wound heating wire 21 can uniformly heat the heat conducting block 2 to enable the heat distribution of the heat conducting block to be uniform, and the rapid heating of the consumables ensures the temperature consistency to enable the consumables to be molten.
The outer edge surface of the insulating cover 22 is provided with an annular spacing groove 24, the heating wire 21 is wound in the spacing groove 24, and the spacing groove 24 is used for winding the annular heating wire 21 and enabling the annular heating wire 21 to be spaced from the shell 24, so that the insulation property of the heating device is ensured, meanwhile, excessive heat is prevented from being emitted through the shell 23, and the power consumption of the heating device is reduced.
The heat conduction block 2 is provided with a temperature sensing hole 25, a temperature sensing resistor 26 is arranged in the temperature sensing hole 25, the temperature sensing resistor 26 is connected to a control circuit of the heating device, and the temperature sensing resistor 26 senses the temperature of the heat conduction block 2 to ensure the melting state of the consumable and control the consumable in a proper temperature range.
The support 1 is provided with a heat dissipation sleeve 3, and one end of a feeding pipe 11 penetrates through the heat dissipation sleeve 3 and the support 1 to be communicated with an extrusion head 12; the heat dissipation sleeve 3 is as heating device's leading equipment, and the consumptive material should be in the temperature below the melting value in the feeder pipe 11, in order to reduce heating device's the heat conduction effect to feeder pipe 11, cools down the processing through heat dissipation sleeve 3 to the consumptive material to guarantee that feeder's thrust is enough to promote the consumptive material to extrude in the head 12.
One side of the heat dissipation sleeve 3 is provided with a fan 31, the fan 31 is fixedly connected with the support 1, the fan 31 is controlled by the temperature sensing resistor 26, when the heat conduction block 2 is overheated, the fan 31 can perform forced air cooling on the heat dissipation sleeve 3, and the heat dissipation efficiency is improved to control the temperature of consumables in the heat conduction block 2.
The bracket 1 is provided with a connecting pipe 13, the lower end of the connecting pipe 13 is arranged in the heat conducting block 2 in a penetrating way and is fixedly connected with the shell 23, the upper end of the connecting pipe 13 is arranged in the heat dissipation sleeve 3 in a penetrating way, and a marble lock 14 is arranged between the heat dissipation sleeve 3 and the connecting pipe 13; the feeding pipe 11 sequentially penetrates through the heat dissipation sleeve 3 and the connecting pipe 13 and then is communicated with the extrusion head 12; the connecting pipe 13 is used for constructing a connecting channel between the heat dissipation sleeve 3 and the heating device, so that the connecting end of the feeding pipe 11 and the extrusion head 12 is in structural protection, and meanwhile, structural gaps between the feeding pipe 11 and the heat dissipation sleeve 3 and between the feeding pipe 11 and the heat conduction block 2 are corrected, so that the heat conduction tightness between the structures is ensured, the heating or heat dissipation efficiency is improved, and consumables in the extrusion head 12 are controlled to be in a proper temperature range.
The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present invention are included in the scope of the present invention.
Claims (6)
1. The utility model provides a 3D prints fast melting device, includes support (1), feeder pipe (11) and extrudes head (12), its characterized in that: the feeding pipe (11) and the extrusion head (12) are respectively and fixedly connected to the support (1), the feeding pipe (11) is communicated with the extrusion head (12), and the extrusion head (12) is provided with a heating device; the heating device comprises a heat conduction block (2), an electric heating wire (21), an insulating cover (22) and a shell (23), the heat conduction block (2) is arranged in an inner cavity of the shell (23), the insulating cover (22) is coated on the outer edge surface of the heat conduction block (2), and the electric heating wire (21) is wound on the outer edge surface of the insulating cover (22); the extrusion head (12) is arranged in the central through hole of the heat conduction block (2) in a penetrating mode.
2. The 3D printing rapid fusing device of claim 1, wherein: the outer edge surface of the insulating cover (22) is provided with an annular spacing groove (24), and the electric heating wire (21) is wound in the spacing groove (24).
3. The 3D printing rapid fusing device of claim 1, wherein: the heat conducting block (2) is provided with a temperature sensing hole (25), and a temperature sensing resistor (26) is arranged in the temperature sensing hole (25).
4. The 3D printing rapid fusing device of claim 1, wherein: the support (1) is provided with a heat dissipation sleeve (3), and one end of the feeding pipe (11) penetrates through the heat dissipation sleeve (3) and the support (1) to be connected with the extrusion head (12) in a penetrating manner.
5. The 3D printing rapid fusing device of claim 4, wherein: and a fan (31) is arranged on one side of the heat dissipation sleeve (3), and the fan (31) is fixedly connected with the support (1).
6. The 3D printing rapid fusing device of claim 4, wherein: the support (1) is provided with a connecting pipe (13), the lower end of the connecting pipe (13) is arranged in the heat conducting block (2) in a penetrating way and is fixedly connected with the shell (23), the upper end of the connecting pipe (13) is arranged in the heat dissipation sleeve (3) in a penetrating way, and a marble lock (14) is arranged between the heat dissipation sleeve (3) and the connecting pipe (13); the feeding pipe (11) penetrates through the heat dissipation sleeve (3) and the connecting pipe (13) in sequence and then is communicated with the extrusion head (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911361763.8A CN111016162A (en) | 2019-12-26 | 2019-12-26 | 3D prints quick melting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911361763.8A CN111016162A (en) | 2019-12-26 | 2019-12-26 | 3D prints quick melting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111016162A true CN111016162A (en) | 2020-04-17 |
Family
ID=70214431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911361763.8A Pending CN111016162A (en) | 2019-12-26 | 2019-12-26 | 3D prints quick melting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111016162A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111646803A (en) * | 2020-06-16 | 2020-09-11 | 中南大学 | Molten 3D direct-writing printing slurry and preparation method and application thereof |
| CN115026314A (en) * | 2022-06-28 | 2022-09-09 | 郑州轻工业大学 | A two storehouses add hot type 3D print head structure and printer for liquid metal |
| CN115195111A (en) * | 2022-06-24 | 2022-10-18 | 安徽省春谷3D打印智能装备产业技术研究院有限公司 | Diameter-variable wire extruding structure for desktop printer |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209176180U (en) * | 2018-07-30 | 2019-07-30 | 西安联创先进制造专业孵化器有限公司 | A kind of 3D printer spray head |
| CN211683492U (en) * | 2019-12-26 | 2020-10-16 | 深圳市捷泰技术有限公司 | 3D prints quick melting device |
-
2019
- 2019-12-26 CN CN201911361763.8A patent/CN111016162A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209176180U (en) * | 2018-07-30 | 2019-07-30 | 西安联创先进制造专业孵化器有限公司 | A kind of 3D printer spray head |
| CN211683492U (en) * | 2019-12-26 | 2020-10-16 | 深圳市捷泰技术有限公司 | 3D prints quick melting device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111646803A (en) * | 2020-06-16 | 2020-09-11 | 中南大学 | Molten 3D direct-writing printing slurry and preparation method and application thereof |
| CN111646803B (en) * | 2020-06-16 | 2021-04-13 | 中南大学 | Molten 3D direct-writing printing slurry and preparation method and application thereof |
| CN115195111A (en) * | 2022-06-24 | 2022-10-18 | 安徽省春谷3D打印智能装备产业技术研究院有限公司 | Diameter-variable wire extruding structure for desktop printer |
| CN115195111B (en) * | 2022-06-24 | 2023-10-27 | 安徽省春谷3D打印智能装备产业技术研究院有限公司 | Reducing wire extrusion structure for desktop level printer |
| CN115026314A (en) * | 2022-06-28 | 2022-09-09 | 郑州轻工业大学 | A two storehouses add hot type 3D print head structure and printer for liquid metal |
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