The moulded head structure of 3D printerTechnical field
The present invention is a kind of 3D printer, specifically the moulded head structure of 3D printer.
Background technology
Along with the high speed development of society, the speed goes of the update of product is fast, just need a kind of rapid prototyping system (call in the following text 3D print) to make the framework of product and shell (can not be always the production a pile mould of just development) at the initial stage of development of product like this thus carry out the reasonability of test products design and can function realize, finally determining the volume production of product.Simultaneously along with the diathesis system of education and individual DIY more prevalent, the application of 3D printing technique is by increasingly extensive.
Existing more ripe 3D printing technique is two kinds nothing more than, and one is photosensitive resin dot matrix spraying layer forming technique.The second is laser toner dot matrix layering sintering and moulding technology.These two kinds and be all that the mode of piling up with " dot matrix " is come shaping so shaping speed is very slow, very high to the requirement of moulding material, so shaping cost is very high.And all to adopt be more high-new technology, so the cost of machine itself is also quite very high, be not easy to popularize.And laser toner dot matrix sintering and moulding technology, the surface also very out-of-flatness that the reason due to sintering is shaping.
Summary of the invention
In order to solve the problem, the invention provides a kind of moulded head structure of 3D printer.
Object of the present invention carrys out specific implementation by the following technical programs:
The moulded head structure of 3D printer, comprise moulded head housing, moulded head guide rail, moulded head lead screw, described moulded head lead screw and moulded head guide rail parallel are arranged, the both sides of moulded head housing are fixedly connected with a moulded head support respectively, moulded head support is erected in described moulded head guide rail and moulded head lead screw, threaded engagement is passed through between moulded head support and moulded head lead screw, the end of described moulded head lead screw is connected with moulded head lead screw motor and drives described moulded head lead screw by moulded head lead screw motor, the inside of described moulded head housing is provided with packing groove and coating material groove, the bottom of described packing groove and coating material groove is respectively equipped with the discharging opening of a line style, two described discharging openings are perpendicular with moulded head lead screw respectively, the top of the discharging opening of described coating material groove is provided with binder chamber, inside, described binder chamber is provided with two nip rolls teeth of docking, one of them is active nip rolls tooth, another is driven nip rolls tooth.
Be provided with filler valve in the discharging opening position of described packing groove, between described filler valve and the discharging opening of described packing groove, adopt arc surface to be connected.
Described active nip rolls tooth is driven by paint pump motor; Further, worm gear drive is passed through between described paint pump motor and described active nip rolls tooth.
At least one heater is provided with in the coating material groove on top, described binder chamber; Further, be provided with three heaters in the coating material groove on top, described binder chamber, three heaters are that upside-down triangle shape is distributed in described coating material groove.
The bottom surface of described moulded head housing is also provided with plain film scraped by the filler vertical with moulded head lead screw, coating flattens bar and coating pre-heater.
It is cylindrical structural that described coating flattens bar, and described coating flattens the front end that bar is arranged on the discharging opening of coating material groove.
] described coating pre-heater is located between the discharging opening of packing groove and coating material groove; Described filler is scraped plain film and is located between described coating pre-heater and the discharging opening of described packing groove.
The two ends of described moulded head housing are connected with moulded head guard seal respectively.
The moulded head structure of 3D printer provided by the invention, adopt slicing delamination coating profile cut forming technique, specifically using each coating as a section, as long as the profile of the figure of this being cut into slices with engraving machine carves out this layer and has namely accused, instead of with " dot matrix ", the figure of this layer is piled out, so will be more faster than above-mentioned two kinds of prior aries on shaping speed.And this technology can adopt multiple moulding material (as long as molten low melting point material can).Due to this patent what rely on enforcement is existing mature technology, so the 3D printer cost relying on this patent shaping will, well below the like product of prior art, be convenient to promote very much.
Accompanying drawing explanation
According to drawings and embodiments the present invention is described in further detail below.
Fig. 1 is the structure chart of the moulded head structure of 3D printer described in the embodiment of the present invention.
Fig. 2 is the earth's surface top view of the moulded head structure of 3D printer described in the embodiment of the present invention.
In figure: 1, moulded head housing; 11, packing groove; 12, coating material groove; 13, filler valve; 14, binder chamber; 15, active nip rolls tooth; 16, driven nip rolls tooth; 17, paint pump motor; 18, turbine; 19, heater; 110, plain film scraped by filler; 111, coating flattens bar; 112, coating pre-heater; 2, moulded head guide rail; 3, moulded head lead screw; 31, moulded head lead screw motor; 4, moulded head support; 5, moulded head baffle plate.
Detailed description of the invention
As shown in Figure 1-2, the moulded head structure of 3D printer described in the embodiment of the present invention, comprise moulded head housing 1, moulded head guide rail 2, moulded head lead screw 3, described moulded head lead screw 3 be arranged in parallel with moulded head guide rail 2, the both sides of moulded head housing 1 are fixedly connected with a moulded head support 4 respectively, moulded head support 4 is erected in described moulded head guide rail 2 and moulded head lead screw 3, threaded engagement is passed through between moulded head support 4 and moulded head lead screw 3, the end of described moulded head lead screw 3 is connected with moulded head lead screw motor 31 and drives described moulded head lead screw 3 by moulded head lead screw motor 31, the inside of described moulded head housing 1 is provided with packing groove 11 and coating material groove 12, the bottom of described packing groove 11 and coating material groove 12 is respectively equipped with the discharging opening of a line style, two described discharging openings are perpendicular with moulded head lead screw 3 respectively.
Be provided with filler valve 13 in 11 discharging opening positions of described packing groove, between described filler valve 13 with the discharging opening of described packing groove 11, adopt arc surface to be connected.
The top of the discharging opening of described coating material groove 12 is provided with binder chamber 14, and inside, described binder chamber 14 is provided with two nip rolls teeth of docking, and one of them is active nip rolls tooth 15, and another is driven nip rolls tooth 16.
Described active nip rolls tooth 15 is driven by paint pump motor 17; Further, turbine 18 transmission is passed through between described paint pump motor 17 and described active nip rolls tooth 15.
At least one heater 19 is provided with in the coating material groove 12 on top, described binder chamber 14; Further, in the coating material groove on top, described binder chamber 14, be provided with three heaters, 19, three heaters 19 be distributed in described coating material groove 12 in upside-down triangle shape.
The bottom surface of described moulded head housing 1 is also provided with plain film 110 scraped by the filler vertical with moulded head lead screw 3, coating flattens bar 111 and coating pre-heater 112.
It is cylindrical structural that described coating flattens bar 111, and described coating flattens the front end that bar 111 is arranged on the discharging opening of coating material groove 12, flattens bar 111 carry out roll-in by coating.
Described coating pre-heater 112 is located between the discharging opening of packing groove 11 and coating material groove 12, in order to carry out preheating to coating filler; Described filler is scraped plain film 110 and is located between described coating pre-heater 112 and the discharging opening of described packing groove 12, for being carried out striking off process by the coating filler after preheating, ensures the difficulty action accomplishment of subsequent handling.
The two ends of described moulded head housing 1 are tightly connected with moulded head baffle plate 5 respectively.
The moulded head structure of 3D printer provided by the invention, adopt slicing delamination coating profile cut forming technique, specifically using each coating as a section, as long as the profile of the figure of this being cut into slices with engraving machine carves out this layer and has namely accused, instead of with " dot matrix ", the figure of this layer is piled out, so will be more faster than above-mentioned two kinds of prior aries on shaping speed.And this technology can adopt multiple moulding material (as long as molten low melting point material can).Due to this patent what rely on enforcement is existing mature technology, so the 3D printer cost relying on this patent shaping will, well below the like product of prior art, be convenient to promote very much.