CN106346782A - 3D printer melt extruding mechanism with quick temperature adjusting function - Google Patents

3D printer melt extruding mechanism with quick temperature adjusting function Download PDF

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Publication number
CN106346782A
CN106346782A CN201610823603.0A CN201610823603A CN106346782A CN 106346782 A CN106346782 A CN 106346782A CN 201610823603 A CN201610823603 A CN 201610823603A CN 106346782 A CN106346782 A CN 106346782A
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CN
China
Prior art keywords
melt
printer
hot melt
temperature
printing
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
Application number
CN201610823603.0A
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Chinese (zh)
Inventor
彭炯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen New Territories Zhongke Polytron Technologies Inc
Original Assignee
Shenzhen New Territories Zhongke Polytron Technologies Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen New Territories Zhongke Polytron Technologies Inc filed Critical Shenzhen New Territories Zhongke Polytron Technologies Inc
Priority to CN201610823603.0A priority Critical patent/CN106346782A/en
Publication of CN106346782A publication Critical patent/CN106346782A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE 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
    • B33Y30/00Apparatus for additive manufacturing; Details thereof or accessories therefor

Abstract

The invention provides a 3D printer melt extruding mechanism with a quick temperature adjusting function. Surface quality and dimensional precision of a formed object are improved by adjusting extruding temperature of a melt. According to the technical scheme, the 3D printer melt extruding mechanism with the quick temperature adjusting function comprises a feeding mechanism, a melt machine body and a printer nozzle, wherein the inside of the melt machine body is provided with a printing hot melt cavity and a heater; a hot melt feeding opening of the printing hot melt cavity communicates with the feeding mechanism; a hot melt discharging opening of the printing hot melt cavity communicates with the printer nozzle; a cooling medium channel is arranged in the melt machine body; and the melt machine body is provided with a cooling medium channel inlet and outlet connector. The 3D printer melt extruding mechanism with the quick temperature adjusting function has the beneficial effects that the structure is simple, control is facilitated, the temperature control precision of the printing hot melt cavity is +/- 0.1 DEG C, and therefore, the surface quality and the dimensional precision of the formed object are greatly improved.

Description

A kind of can fast regulating temperature 3d printer melt extrusion mechanism
Technical field
The present invention relates to a kind of can fast regulating temperature 3d printer melt extrusion mechanism, particularly a kind of band fast cooling knot The 3d printer melt extrusion mechanism of structure.
Background technology
With the development of electronic computer and automatic control technology, 3d printer has been used for the printing shaping of complex partses Through being employed in a large number, the ultimate principle of 3d printer is that the raw material for shaped object is melted by feed mechanism feeding 3d printer After the heated thawing in hot melt chamber in material body, the movement with printing nozzle is piled up after cooling once through printer nozzle extrusion Formed exempt to process be formed object, be formed the mobile accuracy of the surface quality of object and dimensional accuracy and printing nozzle, former Between the material printing nozzle raw material rate of outflow and discharge, there is strict corresponding relation, and the rate of outflow of raw material and discharge Control relevant with its hot melting temperature, especially when extruded velocity adjusts, if temperature is too high when extrusion capacity reduces, due to Cavity pressure is delayed, and hot melt can be led to continue to flow out, rather than timely minimizing, so may result in printed matter surface sediment and increases Thickness, it is achieved that the fast temperature in the hot melt chamber in 3d printer melt body controls, is the surface matter improving in shaped object Amount and the key of dimensional accuracy.Particularly temporarily only print or start moment, printing corner and the roundabout position printing, print procedure Central Plains expects the rapidly minimizing of the rate of outflow, discharge it is desirable to hot melt chamber rapid cooling.The shower nozzle being rapidly heated and lowering the temperature can be big Amplitude improves print speed and precision.
In prior art, the heating in 3d printer melt body is realized by electric heater, in 3d printer melt body Radiating realized by the air-cooled such as or natural heat dissipation of setting outside 3d printer melt body, because air-cooled or natural cooling need Realize the cooling in hot melt chamber after conduction, cause rate of cooling slow it is impossible to meet surface quality and the size essence of shaped object The requirement of degree.
Content of the invention
It is to improve the surface quality of shaped object and the requirement of dimensional accuracy by adjusting melt extrusion temperature, the present invention is public Open and a kind of the 3d printer melt extrusion mechanism of fast regulating temperature can realize the quick heating in 3d printer hot melt chamber and fast prompt drop Temperature.
The present invention realize goal of the invention the technical scheme is that a kind of can fast regulating temperature 3d printer melt extruder Structure, comprising: feed mechanism, melt body and printer nozzle, is provided with printing hot melt chamber and heater, beats in melt body The hot melt charging aperture in print hot melt chamber is connected with feed mechanism, prints hot melt discharging opening and the printer nozzle in hot melt chamber Connection, is provided with temperature-reducing medium passage in described melt body, melt body is provided with the turnover of temperature-reducing medium passage and connects Mouthful.
The invention has the beneficial effects as follows, structure is simple, control program, 0.1 degree Celsius of the temperature control precision in printing hot melt chamber, Greatly improve surface quality and the dimensional accuracy of shaped object.
Describe the present invention below in conjunction with the accompanying drawings.
Brief description
Accompanying drawing 1 is the embodiment of the present invention 1 structural representation.
Accompanying drawing 2 is the embodiment of the present invention 2 structural representation.
Accompanying drawing 3 is the embodiment of the present invention 3 structural representation.
Accompanying drawing 4 is the embodiment of the present invention 4 structural representation.
In accompanying drawing, 1 melt body, 2 temperature-reducing medium passages, 2.1 turnover connectors, 3 heaters, 4 print hot melt chambeies, 5 Cooling pump, 6 water tanks, 7 air pumps, 8 pressure transducers, 9 feed mechanisms, 10 printer nozzles, 11 hot melt, 12 temperature sensors.
Specific embodiment
Referring to accompanying drawing, a kind of can fast regulating temperature 3d printer melt extrusion mechanism, comprising: feed mechanism 9, melt body 1 and printer nozzle 10, in melt body, 1 is provided with printing hot melt chamber 4 and heater 3, prints the hot melt in hot melt chamber 4 Charging aperture is connected with feed mechanism 9, and the hot melt discharging opening printing hot melt chamber 4 is connected with printer nozzle 10, and described is molten It is provided with temperature-reducing medium passage 2 in material body 1, melt body 1 is provided with temperature-reducing medium passage 2 turnover connector 2.1.
During use, hot melt 11 sends into the printing hot melt chamber 4 in melt body 1, hot melt 11 hot melt through feed mechanism 9 Flow out by printer nozzle 10 be piled into after cooling once formed exempt to process be formed object.
3d printer in print procedure, the real time temperature that obtained by temperature-detecting device, control and lead to temperature-reducing medium In road 2, injection temperature-reducing medium (such as: water, coolant, cold air etc.) prints the rapidly near temperature required of hot melt chamber 4, passes through Control to print hot melt chamber 4 and reach and control the print procedure Central Plains material rate of outflow, the purpose of discharge.
Referring to accompanying drawing 1, in the embodiment of the present invention 1, described heater 3 and temperature-reducing medium passage 2 are along printing hot melt chamber 4 axis direction is in the same-handed line setting being spaced up and down.The temperature-reducing medium passage 2 of helix setting greatly improves cooling and is situated between Verify and print the cooling rate in hot melt chamber 4.
Referring to accompanying drawing 1, in the embodiment of the present invention 1, the turnover connector 2.1 1 of described temperature-reducing medium passage 2 is through cold But pump 5 and water tank 6 are together with another turnover connector 2.1 is connected with water tank 6.
, according to the control temperature of the real time temperature printing hot melt chamber 4 and design, cooling pump 5 quantitation is to cooling for cooling pump 5 Medium channel 2 injection cooling water or coolant.Reach the control print procedure Central Plains material rate of outflow, the purpose of discharge.
Referring to accompanying drawing 2, in the embodiment of the present invention 2, heater 3 is heating plate or the embodiment schematic diagram of heating rod.
Referring to accompanying drawing 3, in the embodiment of the present invention 3, the described turnover connector 2.1 1 of temperature-reducing medium passage 2 and gas Pump 7 connects, and another passes in and out connector 2.1 and atmosphere.Air pump 7 is according to the real time temperature printing hot melt chamber 4 and design Control temperature, air pump 7 is quantitative to inject cold air to temperature-reducing medium passage 2, reach the control print procedure Central Plains material rate of outflow, The purpose of discharge.
Referring to accompanying drawing 4, in the embodiment of the present invention 4, described body 1 is provided with printing hot melt chamber 4 pressure transducer 8.The pressure in the printing hot melt chamber 4 being shown in real time by pressure transducer 8, is controlled the temperature printing hot melt chamber 4, reaches control The print procedure Central Plains processed material rate of outflow, the purpose of discharge.
Referring to accompanying drawing 4, in the embodiment of the present invention 4, described printer nozzle 10 is provided with printing hot melt 11 temperature and passes Sensor 12.Temperature sensor 12 accurately obtains the real time temperature of hot melt 11, controls the temperature in print hot melt chamber 4, reaches control The print procedure Central Plains material rate of outflow, the purpose of discharge.

Claims (6)

1. a kind of can fast regulating temperature 3d printer melt extrusion mechanism, comprising: feed mechanism, melt body and printer spray Mouth, is provided with printing hot melt chamber and heater in melt body, print hot melt charging aperture and the feed mechanism in hot melt chamber Connection, print hot melt chamber hot melt discharging opening connect with printer nozzle it is characterised in that: described melt body (1) Inside it is provided with temperature-reducing medium passage (2), melt body (1) is provided with temperature-reducing medium passage (2) turnover connector (2.1).
2. according to claim 1 a kind of can fast regulating temperature 3d printer melt extrusion mechanism it is characterised in that: described Heater (3) and temperature-reducing medium passage (2) be in upper and lower along the axis direction printing hot melt chamber (4) melt body (1) in The linear setting of same-handed at interval.
3. according to claim 1 a kind of can fast regulating temperature 3d printer melt extrusion mechanism it is characterised in that: described The cooled pump (5) of turnover connector (2.1) of temperature-reducing medium passage (2) and water tank (6) together with another turnover connects Mouth (2.1) is connected with water tank (6).
4. according to claim 1 and 2 a kind of can fast regulating temperature 3d printer melt extrusion mechanism it is characterised in that: The turnover connector of described temperature-reducing medium passage (2) (2.1) one is connected with air pump (7), another turnover connector (2.1) With atmosphere.
5. according to claim 1 and 2 a kind of can fast regulating temperature 3d printer melt extrusion mechanism it is characterised in that: Printing hot melt chamber (4) pressure transducer (8) is provided with described melt body (1).
6. according to claim 1 and 2 a kind of can fast regulating temperature 3d printer melt extrusion mechanism it is characterised in that: Printing hot melt (11) temperature sensor (12) is provided with described printer nozzle (10).
CN201610823603.0A 2016-09-14 2016-09-14 3D printer melt extruding mechanism with quick temperature adjusting function Pending CN106346782A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610823603.0A CN106346782A (en) 2016-09-14 2016-09-14 3D printer melt extruding mechanism with quick temperature adjusting function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610823603.0A CN106346782A (en) 2016-09-14 2016-09-14 3D printer melt extruding mechanism with quick temperature adjusting function

Publications (1)

Publication Number Publication Date
CN106346782A true CN106346782A (en) 2017-01-25

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CN201610823603.0A Pending CN106346782A (en) 2016-09-14 2016-09-14 3D printer melt extruding mechanism with quick temperature adjusting function

Country Status (1)

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CN (1) CN106346782A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN109808180A (en) * 2019-04-12 2019-05-28 珠海天威飞马打印耗材有限公司 A kind of Method of printing of three-dimensional printer and three-dimensional printer
CN113601841A (en) * 2021-08-16 2021-11-05 奥格瑞玛(重庆)医疗科技有限公司 Airflow regulating and controlling device for false tooth 3D printer and control method thereof
CN114290675A (en) * 2022-01-07 2022-04-08 武汉必盈生物科技有限公司 3D printer screw rod of quick even ejection of compact beats printer head

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202741469U (en) * 2012-07-27 2013-02-20 常州艾邦机械科技有限公司 Die cavity thermostat of continuous extruder
CN103341974A (en) * 2013-06-18 2013-10-09 王奉瑾 3D printing sprayer
WO2014197732A2 (en) * 2013-06-05 2014-12-11 Markforged, Inc. Methods for fiber reinforced additive manufacturing
CN105500704A (en) * 2015-12-15 2016-04-20 深圳市优特打印耗材有限公司 Novel 3D printer nozzle structure
CN205467402U (en) * 2016-03-14 2016-08-17 广西科技大学鹿山学院 Melting formula rapid prototyping machine based on heating of high frequency electric magnetism
CN206124217U (en) * 2016-09-14 2017-04-26 深圳新域中科科技股份有限公司 3D printer melt extruding means of speed adjusting temperature soon

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202741469U (en) * 2012-07-27 2013-02-20 常州艾邦机械科技有限公司 Die cavity thermostat of continuous extruder
WO2014197732A2 (en) * 2013-06-05 2014-12-11 Markforged, Inc. Methods for fiber reinforced additive manufacturing
CN103341974A (en) * 2013-06-18 2013-10-09 王奉瑾 3D printing sprayer
CN105500704A (en) * 2015-12-15 2016-04-20 深圳市优特打印耗材有限公司 Novel 3D printer nozzle structure
CN205467402U (en) * 2016-03-14 2016-08-17 广西科技大学鹿山学院 Melting formula rapid prototyping machine based on heating of high frequency electric magnetism
CN206124217U (en) * 2016-09-14 2017-04-26 深圳新域中科科技股份有限公司 3D printer melt extruding means of speed adjusting temperature soon

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN109808180A (en) * 2019-04-12 2019-05-28 珠海天威飞马打印耗材有限公司 A kind of Method of printing of three-dimensional printer and three-dimensional printer
CN113601841A (en) * 2021-08-16 2021-11-05 奥格瑞玛(重庆)医疗科技有限公司 Airflow regulating and controlling device for false tooth 3D printer and control method thereof
CN114290675A (en) * 2022-01-07 2022-04-08 武汉必盈生物科技有限公司 3D printer screw rod of quick even ejection of compact beats printer head

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Application publication date: 20170125

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