CN109501242B - Blowing type heat removing device for 3D printing nozzle - Google Patents
Blowing type heat removing device for 3D printing nozzle Download PDFInfo
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- CN109501242B CN109501242B CN201811620050.4A CN201811620050A CN109501242B CN 109501242 B CN109501242 B CN 109501242B CN 201811620050 A CN201811620050 A CN 201811620050A CN 109501242 B CN109501242 B CN 109501242B
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- air
- storage tank
- heat
- heat removal
- air inlet
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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]
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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
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- 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
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- 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 blowing type heat removal device for a 3D printing nozzle, wherein a heat insulation seat is fixed between a heater and a feeding pipe; a vacuum groove in the shape of a circular ring groove is formed in the heat insulation seat; vacuumizing the vacuum groove; the heat insulation seat is formed with a plurality of heat removal ventilation pipelines which are uniformly distributed on the circumference; the air blast heat removal device comprises a plurality of air inlet frame bodies which are uniformly distributed on the circumference; the air inlet frame body is fixed on the lower end face of the movable supporting plate; an air storage tank is formed in the air inlet frame body; an air inlet is formed at the bottom of the outer side wall of the air storage tank; an air inlet check valve is arranged in the air inlet hole; an air outlet is formed on the lower side wall of the air storage tank; a ventilation hose is arranged in the air outlet hole; an inlet at the upper end of the ventilation hose is provided with an air outlet one-way valve; the lower end of the ventilation hose is arranged at the inlet of the upper end of the heat removal ventilation pipeline; an extrusion plate is arranged in the air storage tank in a lifting way. The air blowing mode of the invention removes heat, effectively reduces vibration and avoids the influence of the vibration of the spray head unit on printing.
Description
Technical Field
The invention relates to the field of 3D printers, in particular to a blowing type heat removal device for a 3D printing nozzle.
Background
A 3D printer, a machine of rapid prototyping technology, is a technology for constructing objects by layer-by-layer printing using bondable materials such as special wax, powdered metal or plastic, based on digital model files. Often used to make models in the fields of mold making, industrial design, etc. or for direct manufacturing of some products, means that this technology is gaining popularity. The working principle of the 3D printer is basically the same as that of a common printer, printing materials are superposed layer by layer under the control of a computer, and finally a blueprint on the computer is changed into a real object; the shower nozzle of the 3D printer that exists in the existing market adopts the nozzle to connect with the heating aluminium pig mostly, installs heating pipe and thermocouple on the aluminium pig for heating and temperature measurement, and the inlet pipe is installed again on upper portion, and the aluminium sheet of dispelling the heat is installed on inlet pipe upper portion, is equipped with radiator fan on the aluminium sheet. However, the structure is easy to cause the whole nozzle to vibrate under the vibration of the cooling fan, so that the printing is influenced; simultaneously the thermal-insulated effect of the 3D print head of this kind of structure is unstable, and heat can slowly conduct more than the inlet pipe after heating for a long time, and the printing material can begin to soften at the upper portion, causes the jam, not only causes the waste of printing material, reduces the efficiency of printing, causes the loss of printing time.
Disclosure of Invention
The invention aims to provide a blowing type heat removal device for a 3D printing nozzle, aiming at the technical problem that the vibration of a cooling fan of the existing 3D printer influences the printing.
The technical scheme for solving the technical problems is as follows: a blowing type heat removal device for a 3D printing nozzle comprises a nozzle unit, a blowing heat removal device and a raw material; the spray head unit comprises a feed pipe and a heater; a movable supporting plate is fixed at the upper end of the feeding pipe; the heater is arranged on the lower side of the feeding pipe; the heater is provided with a nozzle; a heat insulation seat is fixed between the heater and the feeding pipe; a vacuum groove in the shape of a circular ring groove is formed in the heat insulation seat; vacuumizing the vacuum groove; a feed hole which is penetrated up and down and is used for raw materials to pass through is formed in the center of the heat insulation seat; the heat insulation seat is formed with a plurality of heat removal ventilation pipelines which are uniformly distributed on the circumference; the upper end inlet of the heat removing ventilation pipeline is positioned on the upper end surface of the heat insulation seat, the middle part of the heat removing ventilation pipeline is positioned between the vacuum groove and the feeding hole, and the lower end outlet of the heat removing ventilation pipeline is positioned on the outer end surface of the heat insulation seat; the air blast heat removal device comprises a plurality of air inlet frame bodies which are uniformly distributed on the circumference; the air inlet frame body is fixed on the lower end face of the movable supporting plate; an air storage tank is formed in the air inlet frame body; an air inlet is formed at the bottom of the outer side wall of the air storage tank; an air inlet check valve is arranged in the air inlet hole; an air outlet is formed on the lower side wall of the air storage tank; a ventilation hose is arranged in the air outlet hole; an inlet at the upper end of the ventilation hose is provided with an air outlet one-way valve; the lower end of the ventilation hose is arranged at the inlet of the upper end of the heat removal ventilation pipeline; an extrusion plate matched with the air storage tank is arranged in the air storage tank in a lifting way.
Preferably, the heat removal ventilation line is disposed horizontally at a lower portion thereof.
Preferably, a plurality of pushing cylinders are fixed on the upper end surface of the movable supporting plate; the piston rod of the pushing cylinder penetrates through the movable supporting plate and the upper side wall of the air storage tank, and the extrusion plate is fixed at the lower end of the piston rod.
Preferably, the lower outlet of the heat removal ventilation pipeline is positioned outside the heater.
Preferably, the cross section of the gas storage tank is circular.
The invention has the beneficial effects that: the blowing mode removes heat, and effectual vibration that has reduced avoids shower nozzle unit vibration to influence and prints.
Drawings
Fig. 1 is a front view of the present invention.
In the figure, 10, a head unit; 11. a feed pipe; 12. moving the support plate; 13. a heat insulation seat; 130. a vacuum tank; 131. a heat removal ventilation line; 20. a forced air heat removal device; 21. an air intake frame; 210. an air storage tank; 211. an air inlet; 212. an air inlet check valve; 213. an air outlet; 22. an air hose; 221. an air outlet one-way valve; 23. a push cylinder; 231. a pressing plate; 30. raw materials.
Detailed Description
As shown in fig. 1, a blower type heat removal device for a 3D printing head includes a head unit 10, a blower heat removal device 20, and a raw material 30; the head unit 10 includes a feed pipe 11 and a heater 14; a movable supporting plate 12 is fixed at the upper end of the feeding pipe 11; the heater 14 is arranged at the lower side of the feeding pipe 11; the heater 14 is provided with a nozzle 15; a heat insulation seat 13 is fixed between the heater 14 and the feeding pipe 11; a vacuum groove 130 in the shape of a circular ring groove is formed in the heat insulation seat 13; the vacuum tank 130 is evacuated; a feed hole which is penetrated up and down and is used for the raw material 30 to pass through is formed in the center of the heat insulation seat 13; the heat insulation seat 13 is formed with a plurality of heat removal ventilation pipelines 131 which are uniformly distributed on the circumference; an inlet at the upper end of the heat removing ventilation pipeline 131 is positioned on the upper end surface of the heat insulation seat 13, the middle part of the heat removing ventilation pipeline is positioned between the vacuum groove 130 and the feeding hole, and an outlet at the lower end of the heat removing ventilation pipeline is positioned on the end surface of the outer side of the heat insulation seat 13; the air-blast heat removal device 20 comprises a plurality of air inlet frame bodies 21 which are uniformly distributed on the circumference; the air inlet frame body 21 is fixed on the lower end surface of the movable support plate 12; an air storage tank 210 is formed in the air inlet frame body 21; an air inlet 211 is formed at the bottom of the outer side wall of the air storage tank 210; an air inlet check valve 212 is arranged in the air inlet hole 211; an air outlet hole 213 is formed on the lower side wall of the air storage tank 210; the vent hole 213 is internally provided with a vent hose 22; an air outlet one-way valve 221 is arranged at an inlet at the upper end of the air hose 22; the lower end of the breather hose 22 is installed at the upper end inlet of the heat removal ventilation line 131; an extrusion plate 231 matched with the air storage tank 210 is arranged in the air storage tank 210 in a lifting way.
As shown in fig. 1, the lower portion of the heat removal ventilation line 131 is disposed horizontally.
As shown in fig. 1, a plurality of pushing cylinders 23 are fixed on the upper end surface of the movable support plate 12; the piston rod of the push cylinder 23 passes through the upper side wall of the moving support plate 12 and the air receiver 210 and the pressing plate 231 is fixed to the lower end of the piston rod.
As shown in fig. 1, the lower end outlet of the heat removal ventilation line 131 is located outside the heater 14.
As shown in fig. 1, the air reservoir 210 has a circular cross-section.
The working principle of the blowing type heat removal device for the 3D printing nozzle is as follows:
in operation, due to the vacuum in the vacuum tank 130, most of the heat generated by the heater 14 is isolated, but a little heat is transferred upwards through the feeding hole, the pressing plate 231 moves upwards to enter air from the air inlet check valve 212, and then the pressing plate 231 moves downwards to vent air from the air hose 22 into the heat removing ventilation pipeline 131 to take out the heat transferred upwards from the feeding hole, so that the heat is prevented from being transferred upwards, and the printing raw material is not softened prematurely to cause blockage; because the air is blown up in an air blowing mode, no vibration caused by a cooling fan exists, and the printing quality is not influenced.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description herein, since various changes and modifications can be made in the details of the embodiment and the application range according to the spirit of the present invention.
Claims (4)
1. A blowing type heat removal device for a 3D printing nozzle comprises a nozzle unit (10), a blowing type heat removal device (20) and a raw material (30); the spray head unit (10) comprises a feeding pipe (11) and a heater (14); a movable supporting plate (12) is fixed at the upper end of the feeding pipe (11); the heater (14) is arranged on the lower side of the feeding pipe (11); a nozzle (15) is arranged on the heater (14); the method is characterized in that: a heat insulation seat (13) is fixed between the heater (14) and the feeding pipe (11); a vacuum groove (130) in the shape of a circular ring groove is formed in the heat insulation seat (13); the vacuum tank (130) is vacuumized; a feed hole which is penetrated up and down and is used for the raw material (30) to pass through is formed in the center of the heat insulation seat (13); the heat insulation seat (13) is formed with a plurality of heat removal ventilation pipelines (131) which are uniformly distributed on the circumference; an inlet at the upper end of the heat removing ventilation pipeline (131) is positioned on the upper end surface of the heat insulation seat (13), the middle part of the heat removing ventilation pipeline is positioned between the vacuum groove (130) and the feeding hole, and an outlet at the lower end of the heat removing ventilation pipeline is positioned on the outer end surface of the heat insulation seat (13); the air blast heat removal device (20) comprises a plurality of air inlet frame bodies (21) which are uniformly distributed on the circumference; the air inlet frame body (21) is fixed on the lower end surface of the movable support plate (12); an air storage tank (210) is formed in the air inlet frame body (21); an air inlet (211) is formed at the bottom of the outer side wall of the air storage tank (210); an air inlet check valve (212) is arranged in the air inlet hole (211); an air outlet (213) is formed on the lower side wall of the air storage tank (210); an air hose (22) is arranged in the air outlet (213); an air outlet one-way valve (221) is arranged at an inlet at the upper end of the air hose (22); the lower end of the ventilation hose (22) is arranged at the inlet of the upper end of the heat removal ventilation pipeline (131); an extrusion plate (231) matched with the air storage tank (210) is arranged in the air storage tank (210) in a lifting way;
the lower part of the heat removing ventilation pipeline (131) is horizontally arranged.
2. The blower-type heat removal device for the 3D printing nozzle according to claim 1, wherein: a plurality of pushing cylinders (23) are fixed on the upper end surface of the movable support plate (12); the piston rod of the pushing cylinder (23) passes through the upper side wall of the movable support plate (12) and the air storage tank (210) and the extrusion plate (231) is fixed at the lower end of the piston rod.
3. The blower-type heat removal device for the 3D printing nozzle according to claim 1, wherein: the lower end outlet of the heat removing ventilation pipeline (131) is positioned outside the heater (14).
4. The blower-type heat removal device for the 3D printing nozzle according to claim 1, wherein: the cross section of the air storage tank (210) is circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811620050.4A CN109501242B (en) | 2018-12-28 | 2018-12-28 | Blowing type heat removing device for 3D printing nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811620050.4A CN109501242B (en) | 2018-12-28 | 2018-12-28 | Blowing type heat removing device for 3D printing nozzle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109501242A CN109501242A (en) | 2019-03-22 |
| CN109501242B true CN109501242B (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811620050.4A Active CN109501242B (en) | 2018-12-28 | 2018-12-28 | Blowing type heat removing device for 3D printing nozzle |
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| Country | Link |
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| CN (1) | CN109501242B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113103579B (en) * | 2021-04-15 | 2022-12-16 | 容大合众(厦门)科技集团股份公司 | Be used for 3D print head heat dissipation mechanism |
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| CN204172359U (en) * | 2014-10-28 | 2015-02-25 | 成都金采科技有限公司 | A kind of 3D prints pen and nib thereof |
| CN105584052A (en) * | 2016-03-07 | 2016-05-18 | 江苏江昕轮胎有限公司 | 3D printing machine spraying nozzle for manufacturing rubber materials |
| CN205291605U (en) * | 2015-12-23 | 2016-06-08 | 广州市创作家信息科技有限责任公司 | 3D printer is with no fan cooling device |
| CN107672169A (en) * | 2017-11-20 | 2018-02-09 | 芜湖天梦信息科技有限公司 | A kind of cooling device of 3D printer shower nozzle |
| CN207067926U (en) * | 2017-08-22 | 2018-03-02 | 广西南宁极简网络科技有限公司 | A kind of webserver with high-efficient radiating function |
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| CN207758150U (en) * | 2017-12-28 | 2018-08-24 | 东北林业大学 | A kind of printing stone lazy-tongs of 3D printing rapidform machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201801895A (en) * | 2016-07-14 | 2018-01-16 | 東友科技股份有限公司 | Extrusion device of three-dimensional printer and cooling mechanism and cooling method thereof |
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2018
- 2018-12-28 CN CN201811620050.4A patent/CN109501242B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204172359U (en) * | 2014-10-28 | 2015-02-25 | 成都金采科技有限公司 | A kind of 3D prints pen and nib thereof |
| CN205291605U (en) * | 2015-12-23 | 2016-06-08 | 广州市创作家信息科技有限责任公司 | 3D printer is with no fan cooling device |
| CN105584052A (en) * | 2016-03-07 | 2016-05-18 | 江苏江昕轮胎有限公司 | 3D printing machine spraying nozzle for manufacturing rubber materials |
| CN207067926U (en) * | 2017-08-22 | 2018-03-02 | 广西南宁极简网络科技有限公司 | A kind of webserver with high-efficient radiating function |
| CN207403190U (en) * | 2017-09-15 | 2018-05-25 | 常州清大智造科技有限公司 | A kind of 3D printer |
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| Publication number | Publication date |
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| CN109501242A (en) | 2019-03-22 |
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Effective date of registration: 20201124 Address after: 241200 Anhui city of Wuhu province Fanchang Economic Development Zone Applicant after: ANHUI CHUNGU 3D PRINTING INTELLIGENT EQUIPMENT INDUSTRY TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd. Address before: 325100 Science and Technology New Village 9 Building, Codao Village, Jiangbei Street, Yongjia County, Wenzhou City, Zhejiang Province Applicant before: WENZHOU YOUBA INFORMATION TECHNOLOGY Co.,Ltd. |
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