CN105818387A - Negative-pressure printing platform for 3D printer - Google Patents
Negative-pressure printing platform for 3D printer Download PDFInfo
- Publication number
- CN105818387A CN105818387A CN201610281276.0A CN201610281276A CN105818387A CN 105818387 A CN105818387 A CN 105818387A CN 201610281276 A CN201610281276 A CN 201610281276A CN 105818387 A CN105818387 A CN 105818387A
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- China
- Prior art keywords
- negative pressure
- vacuum cavity
- negative
- hole plate
- printer
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/115—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by spraying molten metal, i.e. spray sintering, spray casting
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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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
Abstract
The invention discloses a negative-pressure printing platform for a 3D printer. The negative-pressure printing platform comprises a negative-pressure cavity, an air pipe and a negative-pressure pump, wherein the negative-pressure pump is connected to the negative-pressure cavity through the air pipe; a pore plate is arranged on the top surface of the negative-pressure cavity, a sealing gasket is arranged between the pore plate and the negative-pressure cavity, the pore plate and the sealing gasket are fixedly connected to the top surface of the negative-pressure cavity through countersink screws, and a film is arranged on the top surface of the pore plate. The negative-pressure printing platform is simple in structure and high in practicality and can switch the normal temperature mode and the heating mode according to the requirements of actual 3D printing objects, the flexibility of the negative-pressure printing platform is improved, the printing accuracy of the3D printing objects is improved, and the objects are convenient to take after printing is completed.
Description
Technical field
The present invention relates to a kind of negative pressure print platform for 3D printer.
Background technology
3D printer is also known as three-dimensional printer, it is a kind of machine of a kind of accumulation manufacturing technology, i.e. rapid shaping technique, based on it is a kind of mathematical model file, use the jointing materials such as special wax material, powdery metal or plastics, manufactured the object of three-dimensional by the jointing material printed from level to level.
3D printer of the prior art comes with some shortcomings: 1, the model that manual removal is printed, mostly uses perching knife or similar means that model itself is caused damage in various degree；2, the model that manual removal is printed, uses sharp-pointed instrument to peel off, operator is existed potential safety hazard；3, the model that manual removal is printed, compares the consuming time, for producing impact on the batch production time.
Summary of the invention
Present invention aim at providing the technical scheme of a kind of negative pressure print platform for 3D printer for the deficiency existing for prior art, it is possible not only to print the switching needing to realize normal temperature type with hot type of object according to actual 3D, improve the motility of negative pressure print platform, and improve 3D and print the printing precision of object, print and conveniently take after terminating.
In order to solve above-mentioned technical problem, the present invention adopts the following technical scheme that
A kind of negative pressure print platform for 3D printer, it is characterized in that: include vacuum cavity, trachea and negative pressure pump, negative pressure pump connects vacuum cavity by trachea, hole plate it is provided with on the end face of vacuum cavity, it is provided with sealing gasket between hole plate and vacuum cavity, hole plate and sealing gasket are all fixedly connected on the end face of vacuum cavity by countersunk head screw, and the end face of hole plate is provided with thin film；By thin film is covered on hole plate, start the outside air-discharging of negative pressure pump, owing to thin film covers on hole plate, negative pressure is formed in making vacuum cavity, thin film is adsorbed on hole plate, when 3D printer starts, 3D printhead starts to carry out print job on negative pressure print platform, after printing terminates, negative pressure pump quits work, under the conditions of negative pressure in vacuum cavity returns to normal barometric pressure, the absorption affinity to thin film is made to disappear, can easily take off the object of printing, countersunk head screw is used for hole plate, sealing gasket is connected with the fixing of vacuum cavity, prevent when negative pressure pump works, due to hole plate, leak gas between sealing gasket and vacuum cavity and affect the normal work of negative pressure print platform, and then impact prints taking of object.
Further, trachea is connected to the side of vacuum cavity by gas-tpe fitting, is provided with O RunddichtringO between gas-tpe fitting and vacuum cavity, and O RunddichtringO can effectively prevent from occurring between gas-tpe fitting and vacuum cavity gas leak phenomenon, improve sealing effectiveness, it is ensured that negative pressure print platform can normally work.
Further, gas outlet it is provided with on negative pressure pump, when needs carry out 3D printing, gas in vacuum cavity can be discharged from gas outlet by negative pressure pump and form negative pressure, make thin film be fitted tightly on the surface of hole plate, prevent 3D printhead from operationally affecting final 3D because thin film is moved and print quality and the precision of object, after printing terminates, ambient atmos enters in vacuum cavity from gas outlet, and the absorption affinity of thin film is disappeared by vacuum cavity, facilitates 3D to print taking of object.
Further, being provided with heating plate on the bottom surface of vacuum cavity, heating plate connects vacuum cavity by screw and nut are fixing, heating plate can according to 3D print object need vacuum cavity is heated, meet the printing of needs preheating object, improve practicality and the motility of negative pressure print platform.
Due to the fact that and have employed technique scheme, have the advantages that
1, by thin film is covered on hole plate, start the outside air-discharging of negative pressure pump, owing to thin film covers on hole plate, in making vacuum cavity, form negative pressure, thin film is adsorbed on hole plate, when 3D printer starts, 3D printhead starts to carry out print job on negative pressure print platform, prints after terminating, negative pressure pump quits work, under the conditions of negative pressure in vacuum cavity returns to normal barometric pressure, make the absorption affinity to thin film disappear, can easily take off the object of printing；
2, countersunk head screw is connected with the fixing of vacuum cavity for hole plate, sealing gasket, prevents when negative pressure pump works, and affects the normal work of negative pressure print platform owing to leaking gas between hole plate, sealing gasket and vacuum cavity, and then impact prints taking of object；
3, heating plate can according to 3D print object need vacuum cavity is heated, meet needs preheating object printing, improve practicality and the motility of negative pressure print platform.
Present configuration is simple, practical, is possible not only to print according to actual 3D the switching needing to realize normal temperature type with hot type of object, improves the motility of negative pressure print platform, and improve 3D and print the printing precision of object, print and conveniently take after terminating.
Accompanying drawing explanation
The invention will be further described below in conjunction with the accompanying drawings:
Fig. 1 is a kind of exploded perspective view of embodiment 1 in the negative pressure print platform of 3D printer of the present invention；
Fig. 2 is the assembling schematic diagram of embodiment 1 in the present invention；
Fig. 3 is the profile of embodiment 1 in the present invention；
Fig. 4 is the exploded perspective view of embodiment 2 in the present invention；
Fig. 5 is the assembling schematic diagram of embodiment 2 in the present invention；
Fig. 6 is the profile of embodiment 2 in the present invention.
In figure: 1-thin film；2-countersunk head screw；3-hole plate；4-sealing gasket；5-vacuum cavity；6-heating plate；7-screw；8-O RunddichtringO；9-gas-tpe fitting；10-trachea；11-nut；12-negative pressure pump；13-3D printhead；14-gas outlet.
Detailed description of the invention
Embodiment 1
nullAs shown in Figure 1 to Figure 3，For a kind of negative pressure print platform for 3D printer of the present invention，Including vacuum cavity 5、Trachea 10 and negative pressure pump 12，Negative pressure pump 12 connects vacuum cavity 5 by trachea 10，Trachea 10 is connected to the side of vacuum cavity 5 by gas-tpe fitting 9，O RunddichtringO 8 it is provided with between gas-tpe fitting 9 and vacuum cavity 5，O RunddichtringO 8 can effectively prevent from occurring between gas-tpe fitting 9 and vacuum cavity 5 gas leak phenomenon，Improve sealing effectiveness，Ensure that negative pressure print platform can normally work，Gas outlet 14 it is provided with on negative pressure pump 12，When needs carry out 3D printing，Gas in vacuum cavity 5 can be discharged formation negative pressure from gas outlet 14 by negative pressure pump 12，Thin film 1 is made to be fitted tightly on the surface of hole plate 3，Prevent 3D printhead 13 from operationally affecting final 3D because thin film 1 is moved and print quality and the precision of object，After printing terminates，Ambient atmos enters in vacuum cavity 5 from gas outlet 14，The absorption affinity of thin film 1 is disappeared by vacuum cavity 5，3D is facilitated to print taking of object.
It is provided with hole plate 3 on the end face of vacuum cavity 5, is provided with sealing gasket 4, hole plate 3 and sealing gasket 4 between hole plate 3 and vacuum cavity 5 and is all fixedly connected on by countersunk head screw 2 on the end face of vacuum cavity 5, the end face of hole plate 3 is provided with thin film 1；nullBy thin film 1 is covered on hole plate 3，Start the outside air-discharging of negative pressure pump 12 (inspiratory direction is as shown in A direction in figure)，Owing to thin film 1 covers on hole plate 3，Negative pressure is formed in making vacuum cavity 5，Thin film 1 is adsorbed on hole plate 3，When 3D printer starts，3D printhead 13 starts to carry out print job on negative pressure print platform，After printing terminates，Negative pressure pump 12 quits work，Under the conditions of negative pressure in vacuum cavity 5 returns to normal barometric pressure，The absorption affinity to thin film 1 is made to disappear，Can easily take off the object of printing，Countersunk head screw 2 is for hole plate 3、Sealing gasket 4 is connected with the fixing of vacuum cavity 5，Prevent when negative pressure pump 12 works，Due to hole plate 3、Leak gas between sealing gasket 4 and vacuum cavity 5 and affect the normal work of negative pressure print platform，And then impact prints taking of object.
Embodiment 2
nullAs shown in Figures 4 to 6，For a kind of negative pressure print platform for 3D printer of the present invention，Including vacuum cavity 5、Trachea 10 and negative pressure pump 12，Negative pressure pump 12 connects vacuum cavity 5 by trachea 10，Trachea 10 is connected to the side of vacuum cavity 5 by gas-tpe fitting 9，O RunddichtringO 8 it is provided with between gas-tpe fitting 9 and vacuum cavity 5，O RunddichtringO 8 can effectively prevent from occurring between gas-tpe fitting 9 and vacuum cavity 5 gas leak phenomenon，Improve sealing effectiveness，Ensure that negative pressure print platform can normally work，Gas outlet 14 it is provided with on negative pressure pump 12，When needs carry out 3D printing，Gas in vacuum cavity 5 can be discharged formation negative pressure from gas outlet 14 by negative pressure pump 12，Thin film 1 is made to be fitted tightly on the surface of hole plate 3，Prevent 3D printhead 13 from operationally affecting final 3D because thin film 1 is moved and print quality and the precision of object，After printing terminates，Ambient atmos enters in vacuum cavity 5 from gas outlet 14，The absorption affinity of thin film 1 is disappeared by vacuum cavity 5，3D is facilitated to print taking of object.
Hole plate 3 it is provided with on the end face of vacuum cavity 5, sealing gasket 4 it is provided with between hole plate 3 and vacuum cavity 5, hole plate 3 and sealing gasket 4 are all fixedly connected on by countersunk head screw 2 on the end face of vacuum cavity 5, thin film 1 it is provided with on the end face of hole plate 3, heating plate 6 it is provided with on the bottom surface of vacuum cavity 5, heating plate 6 is by screw 7 and nut 11 fixing connection vacuum cavity 5, heating plate 6 can according to 3D print object need vacuum cavity 5 is heated, meet the printing of needs preheating object, improve practicality and the motility of negative pressure print platform；nullBy thin film 1 is covered on hole plate 3，Start the outside air-discharging of negative pressure pump 12 (inspiratory direction is as shown in A direction in figure)，Owing to thin film 1 covers on hole plate 3，Negative pressure is formed in making vacuum cavity 5，Thin film 1 is adsorbed on hole plate 3，When 3D printer starts，3D printhead 13 starts to carry out print job on negative pressure print platform，After printing terminates，Negative pressure pump 12 quits work，Under the conditions of negative pressure in vacuum cavity 5 returns to normal barometric pressure，The absorption affinity to thin film 1 is made to disappear，Can easily take off the object of printing，Countersunk head screw 2 is for hole plate 3、Sealing gasket 4 is connected with the fixing of vacuum cavity 5，Prevent when negative pressure pump 12 works，Due to hole plate 3、Leak gas between sealing gasket 4 and vacuum cavity 5 and affect the normal work of negative pressure print platform，And then impact prints taking of object.
These are only the specific embodiment of the present invention, but the technical characteristic of the present invention is not limited thereto.Any based on the present invention, for realizing essentially identical technique effect, done ground simple change, equivalent or modification etc., all it is covered by among protection scope of the present invention.
Claims (4)
1. the negative pressure print platform for 3D printer, it is characterized in that: include vacuum cavity, trachea and negative pressure pump, described negative pressure pump connects described vacuum cavity by described trachea, hole plate it is provided with on the end face of described vacuum cavity, it is provided with sealing gasket between described hole plate and described vacuum cavity, described hole plate and described sealing gasket are all fixedly connected on by countersunk head screw on the end face of described vacuum cavity, and the end face of described hole plate is provided with thin film.
A kind of negative pressure print platform for 3D printer the most according to claim 1, it is characterised in that: described trachea is connected to the side of described vacuum cavity, be provided with O RunddichtringO between described gas-tpe fitting and described vacuum cavity by gas-tpe fitting.
A kind of negative pressure print platform for 3D printer the most according to claim 1, it is characterised in that: it is provided with gas outlet on described negative pressure pump.
A kind of negative pressure print platform for 3D printer the most according to claim 1, it is characterised in that: being provided with heating plate on the bottom surface of described vacuum cavity, described heating plate connects described vacuum cavity by screw and nut are fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610281276.0A CN105818387A (en) | 2016-04-29 | 2016-04-29 | Negative-pressure printing platform for 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610281276.0A CN105818387A (en) | 2016-04-29 | 2016-04-29 | Negative-pressure printing platform for 3D printer |
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| CN105818387A true CN105818387A (en) | 2016-08-03 |
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| CN201610281276.0A Pending CN105818387A (en) | 2016-04-29 | 2016-04-29 | Negative-pressure printing platform for 3D printer |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109940875A (en) * | 2019-04-04 | 2019-06-28 | 南京航空航天大学 | 3D printer negative pressure fixture |
| CN110039774A (en) * | 2019-05-24 | 2019-07-23 | 杭州捷诺飞生物科技股份有限公司 | 3D printer and its Method of printing |
| CN111060495A (en) * | 2019-12-28 | 2020-04-24 | 安徽中科赛飞尔科技有限公司 | Air pump accurate control structure for SERS |
| CN111791487A (en) * | 2020-07-20 | 2020-10-20 | 佛山科学技术学院 | 3D printer |
| CN112549527A (en) * | 2020-10-28 | 2021-03-26 | 江苏敦超电子科技有限公司 | Device and method for quickly forming energetic material |
| CN113352600A (en) * | 2021-04-04 | 2021-09-07 | 宁波大学 | Electric jet printing device and method for heating and fixing hot air flow |
| WO2023149657A1 (en) * | 2022-02-07 | 2023-08-10 | (주) 유니젯 | 3d printer and disposable film used therein |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109940875A (en) * | 2019-04-04 | 2019-06-28 | 南京航空航天大学 | 3D printer negative pressure fixture |
| CN109940875B (en) * | 2019-04-04 | 2024-04-12 | 南京航空航天大学 | Negative pressure clamp of 3D printer |
| CN110039774A (en) * | 2019-05-24 | 2019-07-23 | 杭州捷诺飞生物科技股份有限公司 | 3D printer and its Method of printing |
| CN110039774B (en) * | 2019-05-24 | 2023-09-12 | 杭州捷诺飞生物科技股份有限公司 | 3D printer and printing method thereof |
| CN111060495A (en) * | 2019-12-28 | 2020-04-24 | 安徽中科赛飞尔科技有限公司 | Air pump accurate control structure for SERS |
| CN111791487A (en) * | 2020-07-20 | 2020-10-20 | 佛山科学技术学院 | 3D printer |
| CN112549527A (en) * | 2020-10-28 | 2021-03-26 | 江苏敦超电子科技有限公司 | Device and method for quickly forming energetic material |
| CN112549527B (en) * | 2020-10-28 | 2022-12-06 | 江苏敦超电子科技有限公司 | Device and method for quickly forming energetic material |
| CN113352600A (en) * | 2021-04-04 | 2021-09-07 | 宁波大学 | Electric jet printing device and method for heating and fixing hot air flow |
| CN113352600B (en) * | 2021-04-04 | 2023-03-28 | 宁波大学 | Electric jet printing device and method for heating and fixing hot air flow |
| WO2023149657A1 (en) * | 2022-02-07 | 2023-08-10 | (주) 유니젯 | 3d printer and disposable film used therein |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160803 |
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| RJ01 | Rejection of invention patent application after publication |