CN204183910U - A kind of 3D printing equipment - Google Patents
A kind of 3D printing equipment Download PDFInfo
- Publication number
- CN204183910U CN204183910U CN201420627342.1U CN201420627342U CN204183910U CN 204183910 U CN204183910 U CN 204183910U CN 201420627342 U CN201420627342 U CN 201420627342U CN 204183910 U CN204183910 U CN 204183910U
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- China
- Prior art keywords
- printing equipment
- carriage
- module
- resin frame
- pull bar
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Abstract
The utility model discloses a kind of 3D printing equipment, comprise base, be arranged on the exposure mechanism in base, controlling organization, and the printing mechanism be arranged on base, wherein, described printing mechanism comprises module, the print platform be slidably mounted on module, and be positioned at module bottom tiltedly pull out assembly; The described assembly that tiltedly pulls out comprises the mounting bracket being fixedly mounted on base upper end, and by carriage that connector is flexibly connected with mounting bracket, carriage is provided with resin frame, a pull bar is provided with further bottom the side that carriage is relative with connector, pull bar is connected with drive motors, described exposure mechanism comprises projecting apparatus, the projection lens of projecting apparatus is positioned at the below of resin frame, above-mentioned 3D printing equipment adopts and exposes from below to up, making can not be protruding because of surface tension in the middle of cured layer, ensures its planarization; Adopt and tiltedly pull out assembly, the service life of film on resin frame dianegative can be increased substantially.
Description
Technical field
The utility model relates to a kind of 3D printing equipment, belongs 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), and specific works mode is mainly divided into following two kinds:
1, fill with liquid photocurable resin in liquid bath, can solidify under the light-wave irradiation of doses in setting regions, 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;
2, liquid photocurable resin is filled with in liquid bath, can solidify in setting regions under the light-wave irradiation of doses, during shaping beginning, workbench is on liquid level, bottom its lower surface and liquid bath, the spacing of dianegative upper surface is the thickness that individual layer prints, the instruction that laser after focusing presses computer under liquid level is irradiated, and 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 translation workbench (moves on to transposition platform from irradiation platform, wherein, transposition platform is lower than irradiation platform), the cured layer be close to bottom liquid bath is departed from completely, then crane drives workbench to rise 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 the tension force of dianegative is very large bottom cured layer and liquid bath, print platform cannot vertically pull-up, and then need two planes with certain altitude drop to carry out translation, cause the liquid bath area of plane larger, not only take up room but also waste liquid photocurable resin, and repeated translation, make the film of the dianegative upper surface of irradiation platform because frictional force is easy to damage, life-span is shorter, generally can only print 8000-10000 level just must change, not only add replacing operation but also increased considerably printing cost.
In view of this, the present inventor studies this, and develop a kind of 3D printing equipment specially, this case produces thus.
Utility model content
The purpose of this utility model is to provide a kind of 3D printing equipment, has that print quality is good, long service life, volume are little and the feature such as simple to operate.
To achieve these goals, solution of the present utility model is:
A kind of 3D printing equipment, comprises base, is arranged on the exposure mechanism in base, controlling organization, and the printing mechanism be arranged on base, wherein, described printing mechanism comprises module, the print platform be slidably mounted on module, and be positioned at module bottom tiltedly pull out assembly; The described assembly that tiltedly pulls out comprises the mounting bracket being fixedly mounted on base upper end, and by hollow support frame that connector is flexibly connected with mounting bracket, described carriage is provided with for holding the resin frame printing solution, the bottom of described resin frame is dianegative, a pull bar is provided with further bottom the side that described carriage is relative with connector, pull bar is connected with drive motors, by the rising of pull bar or decline carriage can be made to rotate along connector; Described exposure mechanism comprises projecting apparatus, and the projection lens of projecting apparatus is positioned at the below of resin frame, and just to the dianegative of resin frame.
As preferably, described module is provided with a longitudinal silk and shoulders, and print platform is shouldered with silk and is connected, and silk is shouldered bottom and shouldered motor with silk and be connected, shoulders motor driving silk and shoulders rotation, and then print platform is slided up and down on module by silk.
As preferably, the described connector tiltedly pulling out assembly is rotating shaft or hinge.
As preferably, the both sides of described carriage are provided with gathering sill, and the bottom of resin frame is provided with corresponding guiding rib, by the cooperation of gathering sill and guiding rib, make resin frame slip into along gathering sill or to skid off carriage.
As preferably, the bottom of described pull bar is provided with a limit sensors, and the middle part of pull bar is provided with a postive stop baffle, and pull bar top is fixedly connected with carriage, lower end is through the spacing hole of mounting bracket, postive stop baffle is positioned at the below of spacing hole, and when arriving limit sensors bottom pull bar, drive motors quits work, stop lower turn further of carriage, when postive stop baffle upper surface touches spacing hole lower surface edge, drive motors also quits work, and stops the upper further of carriage to turn.
As preferably, described projecting apparatus adopts DLP projecting apparatus.
As preferably, above-mentioned controlling organization comprises the central control unit for controlling whole each mechanism action of 3D printing equipment, and is arranged on the several control buttons on base shell.
As preferably, described 3D printing equipment comprises a liftable cover mechanism further, described cover mechanism comprises outer cover, the support bar of support housings and the expansion link of driving outer cover lifting, support bar and expansion link are arranged on the both sides of module respectively, wherein, support bar is connected by the rail plate that slide block is corresponding with on module, support bar can be moved freely along module guide rail, the bottom of expansion link is provided with expansion link drive motors, and controlling organization controls rising or the decline of expansion link by expansion link drive motors.
As preferably, described outer cover adopts crocus acrylic glass outer.
Compared with prior art, the 3D printing equipment of said structure is adopted to have following several advantage:
1, employing exposes from below to up, fits tightly during print platform solidification at the bottom of lower surface and resin frame, and making can not be protruding because of surface tension in the middle of cured layer, ensures its planarization, and then ensures print quality;
2, employing tiltedly pulls out assembly, slowly drop-down by side, make to depart from completely bottom cured layer and resin frame, translation is not needed to increase the area of plane of resin frame, nor can because translation produces frictional force, can increase substantially the service life of film on resin frame dianegative, a general resin frame can print 40-50 ten thousand times.
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the 3D printing equipment three-dimensional structure diagram of the present embodiment;
Fig. 2 is the 3D printing equipment three-dimensional structure diagram (removal outer cover) of the present embodiment;
Fig. 3 is 3D printing equipment internal structure schematic diagram (right side is looked) of Fig. 2;
Fig. 4 is 3D printing equipment internal structure schematic diagram (facing) of Fig. 2;
Fig. 5 is for tiltedly to pull out modular construction schematic diagram.
Detailed description of the invention
As Figure 1-4, a kind of 3D printing equipment, comprise base 1, be arranged on the exposure mechanism in base 1, controlling organization, and the printing mechanism 3 be arranged on base, wherein, described printing mechanism 3 comprises module 31, the print platform 32 be slidably mounted on module 31, and be positioned at module 31 bottom tiltedly pull out assembly 33; Described module 31 is provided with a longitudinal silk and shoulders 34, and print platform 32 and silk are shouldered 34 and be connected, and silk is shouldered motor with silk bottom shouldering 34 and is connected, and shoulders motor and drives silk to shoulder 34 rotations, and then print platform 32 is slided up and down on module 31 by silk.Described exposure mechanism comprises projecting apparatus 2, and described projecting apparatus 2 adopts DLP projecting apparatus.
Above-mentioned controlling organization comprises the central control unit for controlling whole each mechanism action of 3D printing equipment, and is arranged on the several control buttons 4 on base shell.
In the present embodiment, described 3D printing equipment comprises a liftable cover mechanism 5 further, described cover mechanism 5 comprises outer cover 51, the support bar 52 of support housings and the expansion link 53 of driving outer cover lifting, support bar 52 and expansion link 53 are arranged on the both sides of module 31 respectively, wherein, support bar 52 is connected by the rail plate 35 that slide block 54 is corresponding with on module 31, support bar 52 can be moved freely along module guide rail 35, the bottom of expansion link 53 is provided with expansion link drive motors, and controlling organization controls rising or the decline of expansion link by expansion link drive motors.Described outer cover 51 adopts crocus acrylic glass outer, outer cover shape square, simple air, and the assembling of working of plastics shell uses splicing construction, can simple and easyly install.
As shown in Figure 5, the described assembly 33 that tiltedly pulls out comprises the mounting bracket 331 being fixedly mounted on base upper end, and by carriage 332 that connector is flexibly connected with mounting bracket 331, described carriage 332 is provided with for holding the resin frame 333 printing solution, wherein, carriage 332 is hollow structure, the bottom of described resin frame 333 is dianegative, dianegative can adopt upper surface be coated with the glass of film or have the plastic foil of certain degree of hardness, the projection lens of projecting apparatus 2 is positioned at the below of resin frame 333, and just to the dianegative of resin frame 333.Through hole in the middle of carriage 332 and the dianegative of resin frame 333 can be circular or square, its minimum diameter or distance must be greater than by the cross-sectional dimension of the 3D article printed, the light of such guarantee projecting apparatus 2 projects on print platform 32 through tiltedly pulling out assembly 33, and can not be blocked by carriage 332 and dianegative.Above-mentioned connector is rotating shaft or hinge, in the present embodiment, described connector is rotating shaft 334, a pull bar 335 is provided with further bottom the side that described carriage 332 is relative with rotating shaft 334, pull bar 335 is connected with drive motors, by the rising of pull bar 335 or decline carriage can be made to rotate along rotating shaft 334.The bottom of described pull bar 335 is provided with a limit sensors, the middle part of pull bar 335 is provided with a postive stop baffle 336, pull bar 335 top is fixedly connected with carriage 332, lower end is through the spacing hole 337 of mounting bracket 331, postive stop baffle 336 is positioned at the below of spacing hole 337, when arriving limit sensors bottom pull bar 335, drive motors quits work, stop lower turn further of carriage 332, when postive stop baffle 336 upper surface touches spacing hole 337 edge, drive motors also quits work, and stops the upper further of carriage 332 to turn.Postive stop baffle 336 is mainly booster action, drive motors itself can according to setting requirement stop operating when carriage 332 returns to horizontal level, by postive stop baffle 336 arrange can ensure further carriage 332 rise to exceed height.By the setting of limit sensors and postive stop baffle 336, accurately can ensure the angle of inclination of tiltedly pulling out assembly 33, limit sensors and postive stop baffle 336 also can be arranged on other positions of tiltedly pulling out assembly 33, as long as can ensure to rotate at once in predetermined stroke by tiltedly pulling out assembly 33.
For convenience of printing fluid in resin frame 333 interpolation and pour out, resin frame 333 described in the utility model adopts drawing and pulling type to install, the both sides of described carriage 332 are provided with gathering sill 338, the bottom of resin frame 333 is provided with corresponding guiding rib 339, by the cooperation of gathering sill 338 and guiding rib 339, make resin frame 333 can slip into or skid off carriage 332 along gathering sill 338.
The Method of printing of above-mentioned 3D printing equipment, comprises the steps:
Step 1: first, by the control button 4 on base 1 shell, drives expansion link 53, makes outer cover 51 increase along expansion link 53, pour printing solution in resin frame 333 into, opens exposure mechanism simultaneously and enters preheat mode;
Step 2: by control button 4, makes outer cover 51 decline, contacts bottom outer cover 51 with base 1, and then whole print procedure is completed in outer cover 51, prevents light, wind, dust etc. from affecting print quality;
Step 3, by control button 4, exposure mechanism and printing mechanism 3 are started working, print platform 32 drops to bottom resin frame 333, now, bottom print platform 32 lower surface and resin frame 333, the spacing of dianegative upper surface is the thickness that individual layer prints, projecting apparatus 2 projects projected image by dianegative to print platform 32, makes the printing in drop shadow spread solution cured and is pasted onto on print platform 32;
Step 4: after projection terminates, the pull bar 335 of Xie Ba mechanism 33 starts action, while carriage 332 is pulled down, resin frame 333 also declines thereupon, cured layer starts to depart from dianegative in drop-down side, air slowly enters, when arriving limit sensors bottom pull bar 335, drive motors quits work, now the whole cured layer of print platform 32 and dianegative depart from completely, print platform 32 slowly rises, pull bar 335 also slowly rises under the effect of drive motors, when carriage 332 and resin frame 333 return to horizontal level, , drive motors quits work, now, postive stop baffle 336 upper surface contacts with spacing hole 337 lower surface,
Step 5: print platform 32 declines again, now, bottom printing solution (i.e. cured layer) lower surface that print platform 32 has solidified and resin frame 333, the spacing of dianegative upper surface is the thickness that individual layer prints, and repeats step 3 and 4, until 3D article have printed;
Step 6:3D article make outer cover 51 rise by control button 4 after printing and terminating, and take out 3D article, whole print procedure terminates.
Above-described embodiment and graphic and non-limiting product form of the present utility model 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 utility model.
Claims (9)
1. a 3D printing equipment, it is characterized in that: comprise base, be arranged on the exposure mechanism in base, controlling organization, and the printing mechanism be arranged on base, wherein, described printing mechanism comprises module, the print platform be slidably mounted on module, and be positioned at module bottom tiltedly pull out assembly; The described assembly that tiltedly pulls out comprises the mounting bracket being fixedly mounted on base upper end, and by hollow support frame that connector is flexibly connected with mounting bracket, described carriage is provided with for holding the resin frame printing solution, the bottom of described resin frame is dianegative, a pull bar is provided with further bottom the side that described carriage is relative with connector, pull bar is connected with drive motors, by the rising of pull bar or decline carriage can be made to rotate along connector; Described exposure mechanism comprises projecting apparatus, and the projection lens of projecting apparatus is positioned at the below of resin frame, and just to the dianegative of resin frame.
2. a kind of 3D printing equipment as claimed in claim 1, it is characterized in that: described module is provided with a longitudinal silk and shoulders, print platform is shouldered with silk and is connected, and silk is shouldered motor with silk bottom shouldering and is connected, shouldering motor by silk drives silk to shoulder rotation, and then print platform is slided up and down on module.
3. a kind of 3D printing equipment as claimed in claim 1, is characterized in that: the described connector tiltedly pulling out assembly is rotating shaft or hinge.
4. a kind of 3D printing equipment as claimed in claim 1, it is characterized in that: the both sides of described carriage are provided with gathering sill, the bottom of resin frame is provided with corresponding guiding rib, by the cooperation of gathering sill and guiding rib, makes resin frame slip into along gathering sill or to skid off carriage.
5. a kind of 3D printing equipment as claimed in claim 1, it is characterized in that: the bottom of described pull bar is provided with a limit sensors, the middle part of pull bar is provided with a postive stop baffle, pull bar top is fixedly connected with carriage, lower end is through the spacing hole of mounting bracket, postive stop baffle is positioned at the below of spacing hole, when arriving limit sensors bottom pull bar, drive motors quits work, stop lower turn further of carriage, when postive stop baffle upper surface touches spacing hole lower surface edge, drive motors also quits work, and stops the upper further of carriage to turn.
6. a kind of 3D printing equipment as claimed in claim 1, is characterized in that: described projecting apparatus adopts DLP projecting apparatus.
7. a kind of 3D printing equipment as claimed in claim 1, is characterized in that: described controlling organization comprises the central control unit for controlling whole each mechanism action of 3D printing equipment, and is arranged on the several control buttons on base shell.
8. a kind of 3D printing equipment as claimed in claim 1, it is characterized in that: described 3D printing equipment comprises a liftable cover mechanism further, described cover mechanism comprises outer cover, the support bar of support housings and the expansion link of driving outer cover lifting, support bar and expansion link are arranged on the both sides of module respectively, wherein, support bar is connected by the rail plate that slide block is corresponding with on module, support bar can be moved freely along module guide rail, the bottom of expansion link is provided with expansion link drive motors, controlling organization controls rising or the decline of expansion link by expansion link drive motors.
9. a kind of 3D printing equipment as claimed in claim 8, is characterized in that: described outer cover adopts crocus acrylic glass outer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420627342.1U CN204183910U (en) | 2014-10-27 | 2014-10-27 | A kind of 3D printing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420627342.1U CN204183910U (en) | 2014-10-27 | 2014-10-27 | A kind of 3D printing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204183910U true CN204183910U (en) | 2015-03-04 |
Family
ID=52615939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420627342.1U Withdrawn - After Issue CN204183910U (en) | 2014-10-27 | 2014-10-27 | A kind of 3D printing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204183910U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104309128A (en) * | 2014-10-27 | 2015-01-28 | 东莞智维立体成型股份有限公司 | Three-dimensional (3D) printing device and printing method thereof |
-
2014
- 2014-10-27 CN CN201420627342.1U patent/CN204183910U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104309128A (en) * | 2014-10-27 | 2015-01-28 | 东莞智维立体成型股份有限公司 | Three-dimensional (3D) printing device and printing method thereof |
| CN104309128B (en) * | 2014-10-27 | 2016-09-14 | 广东智维立体成型科技有限公司 | A kind of 3D printing equipment and Method of printing thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150304 Effective date of abandoning: 20160914 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |