CN105150533A - Slide liquid containing mechanism for 3D printing device and printing method thereof - Google Patents
Slide liquid containing mechanism for 3D printing device and printing method thereof Download PDFInfo
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- CN105150533A CN105150533A CN201510546202.0A CN201510546202A CN105150533A CN 105150533 A CN105150533 A CN 105150533A CN 201510546202 A CN201510546202 A CN 201510546202A CN 105150533 A CN105150533 A CN 105150533A
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Abstract
The invention discloses a slide liquid containing mechanism for a 3D printing device and a printing method thereof. The slide liquid containing mechanism comprises a mounting plate fixedly mounted in a 3D printing device box, wherein a guide rail is arranged on the mounting plate; a mobile bracket is movably mounted on the guide rail through a slide block; a resin frame for containing printing solution is mounted on the mobile bracket; bracket motors are respectively arranged at the two ends of the guide rail, and are respectively connected with the two ends of the mobile bracket through connecting bars; the bracket motors drive the connecting bars to drive the mobile bracket and the resin frame to horizontally move along the guide rail; a transparent baseplate is arranged at the bottom of the resin frame; the mounting plate and the mobile bracket are both provided with windows; and the windows are respectively a mounting plate window and a mobile bracket window, wherein the mounting plate window and the mobile bracket window face a printing platform of the 3D printing device. A 3D printing device employing the slide liquid containing mechanism of such a structure has the characteristics of quick printing speed and high printing precision.
Description
Technical field
The present invention relates to a kind of slidingtype Sheng Ye mechanism for 3D printing equipment and Method of printing thereof, belong to printing device technical field.
Background technology
3D printing equipment is also known as three-dimensional printer, and be a kind of machine adopting accumulation manufacturing technology (i.e. RP technique), its principle is that data and raw material are put in 3D printer, and machine is created product from level to level according to program.At present, 3D printing equipment comparatively commonly adopts SLA stereosopic printing (also known as stereolithography, light chisel), but SLA stereosopic printing is laser head, and shaping can only lean on a laser spots, and be all generally that point arrives line during printing shaping, line is to face, and print speed is slow; And SLA tridimensional printing system cost is high, operation and maintenance high cost, and printing shaping precision is low; Although also have the shaping 3D printing equipment in face on the market at present, when it prints, adopt and expose from top to bottom, the Sheng Ye mechanism of placing solution is fixed, during shaping beginning, workbench is under liquid level, and the instruction that the laser after focusing presses computer on liquid level is irradiated.After one deck has irradiated, (face forming technique is that whole cross section is solidified simultaneously) is just solidified in irradiated place simultaneously, and not irradiated place remains liquid resin.Then crane band moving platform declines a layer height again, is covered with again one deck resin above, to carry out second layer irradiation, one deck of new solidification is bonded on front one deck securely, so repeats until 3D article complete.When the 3D printing equipment of this structure solidifies, because cured layer upper surface is without any stop, is easy to because the phenomenon of intermediate projections appears in cured layer surface tension, and then affects the print quality of 3D article.
In view of this, the present inventor studies this, and develop a kind of slidingtype Sheng Ye mechanism for 3D printing equipment and Method of printing thereof specially, this case produces thus.
Summary of the invention
The object of this invention is to provide a kind of print speed fast and the slidingtype Sheng Ye mechanism for 3D printing equipment that printing precision is high and Method of printing thereof.
To achieve these goals, solution of the present invention is:
A kind of slidingtype Sheng Ye mechanism for 3D printing equipment, comprise the installing plate be fixedly mounted in 3D printing equipment casing, described installing plate is provided with guide rail, traversing carriage is movably arranged on guide rail by slide block, traversing carriage is provided with for holding the resin frame printing solution, guide rail two ends are respectively provided with carriage motor, described carriage motor is connected with the two ends of traversing carriage respectively by connection strap, connection strap is driven by carriage motor, and then take traversing carriage to and resin frame moves horizontally along guide rail, the bottom of described resin frame is provided with dianegative, described installing plate and traversing carriage are equipped with window, be respectively installing plate window and traversing carriage window, wherein, described installing plate window and traversing carriage window are just to the print platform of 3D printing equipment, the projection lens of the exposure mechanism of 3D printing equipment is positioned at the below of installing plate, and just to print platform, its projected light is projected on print platform by installing plate window, traversing carriage window, resin frame dianegative successively.
As preferably, the two ends of described guide rail are provided with travel switch further, for accurately controlling the distance that resin frame moves left and right.
As preferably, described resin frame comprises framework and isolated column, and described framework is divided into main frame and secondary framework, and wherein, secondary framework bottom surface is lower than main frame bottom surface, and the bottom of described main frame is dianegative, described isolated column comprises isolated column main body and is arranged on the activity template in isolated column main body, wherein, isolated column main body upper end fixedly mounts on a mounting board by connector, lower end is positioned at resin frame framework, described isolated column is positioned at traversing carriage window, isolated column bottom part body and framework bottom connection touch, along with the slip of resin frame, isolated column main body can scrape the printing solution in main frame, isolated column main body is provided with mobile window, activity template top is articulated in above mobile window by hinge, and whole activity template covers on mobile window, activity template is arranged on secondary framework side, when framework shifts to secondary framework by main frame direction, under the effect of hydraulic shock and slip inertia, activity template and mobile window produce gap, the printing solution in main frame is made to flow into secondary framework, when framework shifts to main frame by secondary framework direction, activity template covers mobile window completely.
The Method of printing of the above-mentioned slidingtype Sheng Ye mechanism for 3D printing equipment, comprises the steps:
Step 1: first, pours printing solution in resin frame, opens 3D printing equipment exposure mechanism simultaneously and enters preheat mode;
Step 2, by 3D printing equipment controlling organization, exposure mechanism and print platform are started working, now, the secondary framework of resin frame is just to projection lens, isolated column is positioned in the middle of resin frame framework, then resin frame is moved by carriage motor, make main frame just to print platform, print platform drops to bottom main frame, bottom print platform lower surface and main frame, the spacing of dianegative upper surface is the thickness that individual layer prints, exposure mechanism projecting apparatus is by installing plate window, traversing carriage window, main frame dianegative projects projected image to print platform, make the printing in drop shadow spread solution cured and be pasted onto on print platform,
Step 3: after projection terminates, carriage motor starts, resin frame is driven to move toward main frame direction, secondary framework is made to shift to print platform, because isolated column maintains static, contact with main frame dianegative again bottom it, and then the printing solution bottom main frame is dialed in secondary framework completely, when traversing carriage touches travel switch, carriage motor quits work, now, whole cured layer and the main frame dianegative of print platform depart from completely, again because secondary framework bottom surface is lower than main frame bottom surface, gap is left bottom print platform cured layer and secondary framework, print platform slowly can rise in the driving of spindle motor,
Step 4: when printing lower one deck, the carriage motor of the guide rail other end is started working, resin frame main frame is driven to move back to below print platform, the activity template of isolated column is because of under hydraulic shock and slip effect of inertia, activity template and mobile window produce gap, make the part in main frame print solution and flow into secondary framework, print platform declines again, now, bottom printing solution (i.e. cured layer) lower surface that print platform has solidified and resin frame, the spacing of dianegative upper surface is the thickness that individual layer prints, repeat step 2,3 and 4, until 3D article have printed.
Compared with prior art, the 3D printing equipment slidingtype Sheng Ye mechanism of said structure is adopted to have following several advantage:
1, adopt sliding structure, printout surface quality is good, and printing shaping precision is high;
2, print speed is fast: irradiating solidification once can a shaping face, and speed is promoted greatly, and low cost of manufacture.
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the 3D printing equipment cut-away view of the present embodiment;
Fig. 2 is slidingtype Sheng Ye mechanism three-dimensional structure diagram (overlooking) of the present embodiment;
Fig. 3 is slidingtype Sheng Ye mechanism three-dimensional structure diagram (looking up) of the present embodiment;
Fig. 4 is the present embodiment resin frame structural representation;
Label declaration:
Casing 1,
Exposure mechanism 2, projecting apparatus 21,
Controlling organization 3,
Printing mechanism 4, module 41, print platform 42,
Slidingtype Sheng Ye mechanism 43, installing plate 431, guide rail 432, traversing carriage 433, slide block 434, travel switch 435, carriage motor 436, connection strap 437, installing plate window 438, traversing carriage window 439,
Resin frame 5, framework 51, main frame 511, secondary framework 512, isolated column 52, isolated column main body 521, activity template 522, mobile window 523.
Detailed description of the invention
Slidingtype Sheng Ye mechanism described in the present embodiment is applied to 3D printing equipment, as shown in Figure 1-2, described 3D printing equipment, comprise casing 1, and be arranged on exposure mechanism 2 in casing 1, controlling organization 3, printing mechanism 4 and slidingtype Sheng Ye mechanism 43, wherein, described exposure mechanism 2 is installed on casing 1 lower end printing mechanism 4 and slidingtype Sheng Ye mechanism 43 is installed on casing 1 upper end.
The print platform 42 that described printing mechanism 4 comprises module 41 and is slidably mounted on module 41, described slidingtype Sheng Ye mechanism 43 comprises the installing plate 431 be fixedly mounted in casing 1, described installing plate 431 is provided with guide rail 432, traversing carriage 433 is movably arranged on guide rail 432 by slide block 434, traversing carriage 433 is provided with for holding the resin frame 5 printing solution, guide rail 432 two ends are respectively provided with carriage motor 436, described carriage motor 436 is connected with the two ends of traversing carriage 433 respectively by connection strap 437, connection strap 437 is driven by carriage motor 436, and then take traversing carriage 433 to and resin frame 5 moves horizontally along guide rail 432, described installing plate 431 and traversing carriage 433 are equipped with window, be respectively installing plate window 438 and traversing carriage window 439, wherein, described installing plate window 438 and traversing carriage window 439 are just to print platform 42, described exposure mechanism 2 comprises projecting apparatus 21, and described projecting apparatus 21 adopts DLP projecting apparatus.The projection lens of described projecting apparatus 21 is positioned at the below of installing plate 431, and just to print platform 42, its projected light projects on print platform 42 by installing plate window 438, traversing carriage window 439, resin frame 5 dianegative successively;
In the present embodiment, the two ends of described guide rail 432 are provided with travel switch 435 further, for accurately controlling the distance that resin frame 5 moves left and right.Described module 41 is provided with a longitudinal leadscrew, and print platform 42 is connected with leading screw, is connected bottom leading screw with spindle motor, drives screw turns by spindle motor, and then print platform 42 is slided up and down on module 41.
Described resin frame 5 comprises framework 51 and isolated column 52, described framework 51 is divided into main frame 511 and secondary framework 512, and wherein, secondary framework 512 bottom surface is lower than main frame 511 bottom surface, make the high low head forming about 3mm in framework, be convenient to being separated of print platform 42 and framework 51.The bottom of described main frame 511 is dianegative, the activity template 522 that described isolated column 52 comprises isolated column main body 521 and is arranged in isolated column main body 521, wherein, isolated column main body 521 upper end is fixedly mounted on installing plate 431 by connector 53, lower end is positioned at resin frame framework 51, isolated column 52 is positioned at traversing carriage window 439 side, touch with main frame 511 bottom connection bottom isolated column main body 521, along with the slip of resin frame 5, isolated column main body 521 can scrape the printing solution in main frame 511, isolated column main body 521 is provided with mobile window 523, activity template 522 top is articulated in above mobile window 523 by hinge, activity template 522 area is greater than mobile window 523, can cover on whole mobile window 523, activity template 522 is movably arranged on secondary framework 512 side, can rotate along hinge bottom it, when framework 51 is shifted to secondary framework 512 by main frame 511 direction (when being moved to the left), under the effect of hydraulic shock and slip inertia, activity template 522 and mobile window 523 produce gap, make the part in main frame 511 print solution and flow into secondary framework 512.When framework 51 is shifted to main frame 511 by secondary framework 512 direction (when moving right), activity template 522 covers mobile window 523 completely.
Described controlling organization 3 is connected with spindle motor with projecting apparatus 21, carriage motor 436, travel switch 430 respectively, for controlling each institution staff.
The Method of printing of above-mentioned slidingtype 3D printing equipment, comprises the steps:
Step 1: first, pours printing solution in resin frame 5, opens exposure mechanism 2 simultaneously and enters preheat mode;
Step 2: close casing 1, whole print procedure is completed in casing 1, prevents light, wind, dust etc. from affecting print quality;
Step 3, by controlling organization 3, exposure mechanism 2 and printing mechanism 3 are started working, now, the secondary framework 512 of resin frame 5 is just to projection lens, isolated column 52 is positioned in the middle of resin frame framework 51, before first secondary framework 512 being placed in projection lens, prevent projection lens from sending projected light and shine directly into print platform 42, then resin frame 5 is moved by carriage motor 436, make main frame 511 just to print platform 42, print platform 42 drops to bottom main frame, bottom print platform 42 lower surface and main frame 511, the spacing of dianegative upper surface is the thickness that individual layer prints, projecting apparatus 21 is by installing plate window 438, traversing carriage window 439, main frame 511 dianegative projects projected image to print platform 42, make the printing in drop shadow spread solution cured and be pasted onto on print platform 42,
Step 4: after projection terminates, the carriage motor 436 of slidingtype Sheng Ye mechanism 43 starts action, resin frame 5 is driven to move (namely moving right) toward main frame direction, secondary framework 512 is made to shift to below print platform 42, because isolated column 52 maintains static, contact with main frame 511 dianegative again bottom it, and then the printing solution bottom main frame 511 is scraped in secondary framework 512 completely, when traversing carriage 433 touches travel switch 435, carriage motor 436 quits work, now, whole cured layer and main frame 511 dianegative of print platform 42 depart from completely, again because secondary framework 512 bottom surface is lower than main frame 511 bottom surface, gap is left bottom print platform 42 cured layer and secondary framework 512, whole cured layer and secondary framework 512 no-station pole canopy of print platform 42 exist, print platform 42 slowly can rise in the driving of spindle motor,
Step 5: when printing lower one deck, the carriage motor 436 of guide rail 432 other end is started working, resin frame main frame 511 is driven to move back to below print platform 42, under the effect of hydraulic shock and slip inertia, activity template 522 and mobile window 523 produce gap, make the part in main frame 511 print solution and flow into secondary framework 512, prevent the printing solution between main frame 511 and isolated column 52 from overflowing or spilling framework 51, print platform 42 declines again, now, bottom printing solution (i.e. cured layer) lower surface that print platform 42 has solidified and resin frame 5, the spacing of dianegative upper surface is the thickness that individual layer prints, repeat step 3, 4 and 5, until 3D article have printed.
Above-described embodiment and graphic and non-limiting product form of the present invention and style, any person of an ordinary skill in the technical field, to its suitable change done or modification, all should be considered as not departing from patent category of the present invention.
Claims (4)
1. the slidingtype Sheng Ye mechanism for 3D printing equipment, it is characterized in that: comprise the installing plate be fixedly mounted in 3D printing equipment casing, described installing plate is provided with guide rail, traversing carriage is movably arranged on guide rail by slide block, traversing carriage is provided with for holding the resin frame printing solution, guide rail two ends are respectively provided with carriage motor, described carriage motor is connected with the two ends of traversing carriage respectively by connection strap, connection strap is driven by carriage motor, and then take traversing carriage to and resin frame moves horizontally along guide rail, the bottom of described resin frame is provided with dianegative, described installing plate and traversing carriage are equipped with window, be respectively installing plate window and traversing carriage window, wherein, described installing plate window and traversing carriage window are just to the print platform of 3D printing equipment, the projection lens of the exposure mechanism of 3D printing equipment is positioned at the below of installing plate, and just to print platform, its projected light is projected on print platform by installing plate window, traversing carriage window, resin frame dianegative successively.
2. a kind of slidingtype Sheng Ye mechanism for 3D printing equipment as claimed in claim 1, is characterized in that: the two ends of described guide rail are provided with travel switch further, for accurately controlling the distance that resin frame moves left and right.
3. a kind of slidingtype Sheng Ye mechanism for 3D printing equipment as claimed in claim 1, it is characterized in that: described resin frame comprises framework and isolated column, described framework is divided into main frame and secondary framework, wherein, secondary framework bottom surface is lower than main frame bottom surface, and the bottom of described main frame is dianegative, described isolated column comprises isolated column main body and is arranged on the activity template in isolated column main body, wherein, isolated column main body upper end fixedly mounts on a mounting board by connector, lower end is positioned at resin frame framework, described isolated column is positioned at traversing carriage window, isolated column bottom part body and framework bottom connection touch, along with the slip of resin frame, isolated column main body can scrape the printing solution in main frame, isolated column main body is provided with mobile window, activity template top is articulated in above mobile window by hinge, and whole activity template covers on mobile window, activity template is arranged on secondary framework side, when framework shifts to secondary framework by main frame direction, under the effect of hydraulic shock and slip inertia, activity template and mobile window produce gap, the printing solution in main frame is made to flow into secondary framework, when framework shifts to main frame by secondary framework direction, activity template covers mobile window completely.
4., for a Method of printing for the slidingtype Sheng Ye mechanism of 3D printing equipment, it is characterized in that comprising the steps:
Step 1: first, pours printing solution in resin frame, opens 3D printing equipment exposure mechanism simultaneously and enters preheat mode;
Step 2, by 3D printing equipment controlling organization, exposure mechanism and print platform are started working, now, the secondary framework of resin frame is just to projection lens, isolated column is positioned in the middle of resin frame framework, then resin frame is moved by carriage motor, make main frame just to print platform, print platform drops to bottom main frame, bottom print platform lower surface and main frame, the spacing of dianegative upper surface is the thickness that individual layer prints, exposure mechanism projecting apparatus is by installing plate window, traversing carriage window, main frame dianegative projects projected image to print platform, make the printing in drop shadow spread solution cured and be pasted onto on print platform,
Step 3: after projection terminates, carriage motor starts, resin frame is driven to move toward main frame direction, secondary framework is made to shift to print platform, because isolated column maintains static, contact with main frame dianegative again bottom it, and then the printing solution bottom main frame is dialed in secondary framework completely, when traversing carriage touches travel switch, carriage motor quits work, now, whole cured layer and the main frame dianegative of print platform depart from completely, again because secondary framework bottom surface is lower than main frame bottom surface, gap is left bottom print platform cured layer and secondary framework, print platform slowly can rise in the driving of spindle motor,
Step 4: when printing lower one deck, the carriage motor of the guide rail other end is started working, resin frame main frame is driven to move back to below print platform, the activity template of isolated column is because of under hydraulic shock and slip effect of inertia, activity template and mobile window produce gap, make the part in main frame print solution and flow into secondary framework, print platform declines again, now, bottom the printing solution lower surface that print platform has solidified and resin frame, the spacing of dianegative upper surface is the thickness that individual layer prints, repeat step 2,3 and 4, until 3D article have printed.
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| CN106855028A (en) * | 2017-02-16 | 2017-06-16 | 天津大学 | The 3D printing device that a kind of wind energy drives |
| CN106881861A (en) * | 2017-03-24 | 2017-06-23 | 杭州维彬科技有限公司 | A kind of photocuring 3D printer |
| CN108748604A (en) * | 2018-04-26 | 2018-11-06 | 同济大学 | Photocuring ceramics 3D printing device and method |
| CN108995207A (en) * | 2017-06-07 | 2018-12-14 | 扬明光学股份有限公司 | three-dimensional printing device |
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| CN105150533B (en) | 2018-05-15 |
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Address after: 312000 Two 105-106, 403-407 and three 401-403 Navigation Buildings of No. 586 West Ring Road, Keqiao Economic Development Zone, Shaoxing City, Zhejiang Province Co-patentee after: Guangdong wisdom dimensional Molding Technology Co., Ltd. Patentee after: Zhejiang Xun Technology Co., Ltd. Address before: 312000 Daqiao Village, Pingshui Town, Shaoxing County, Zhejiang Province Co-patentee before: DONGGUAN ZHIWEI THREE-DIMENSIONAL MOLDING CO., LTD. Patentee before: Shaoxing Xunshi Electronic Technology Co., Ltd. |
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