CN204020012U - For coating blade and the coating unit of photocureable rapid shaping - Google Patents
For coating blade and the coating unit of photocureable rapid shaping Download PDFInfo
- Publication number
- CN204020012U CN204020012U CN201420472035.0U CN201420472035U CN204020012U CN 204020012 U CN204020012 U CN 204020012U CN 201420472035 U CN201420472035 U CN 201420472035U CN 204020012 U CN204020012 U CN 204020012U
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- coating
- coating blade
- blade
- rapid shaping
- photocureable rapid
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Abstract
The utility model provides a kind of coating blade for photocureable rapid shaping and coating unit, described coating blade is integral type structure, the scraper body comprising mounting rail and be connected with described mounting rail, described scraper body with the elongated slot under shed, and is equipped with blade along the both sides of elongated slot length direction.The utility model adopts integrated coating blade, and it is lightweight, is convenient to regulate, and is easy to assembling, reduces costs.
Description
Technical field
The utility model relates to Introduction To Stereolithography field, particularly relates to a kind of coating blade for photocureable rapid shaping and coating unit.
Background technology
Coating unit is important component part in photocureable rapid shaping system, and its machining accuracy and technique directly affect the quality of whole set equipment.The object of coating is the liquid resin obtaining one deck uniform thickness before ensureing scanning at the upper surface of cured layer.If in uneven thickness, will cause can not well bonding together between layers, will the forfeiture of element precision be caused, and even cause the failure of manufacturing process.
Coating processes has the several methods such as natural style, sunk type, vacuum adsorption type, waterfall type at present, and what compare main flow at present is vacuum adsorption type.Vacuum adsorption type coating unit, its coating blade has an inner chamber, coupled by a vavuum pump, and scraper bottom surface contacts with resin liquid level, vavuum pump work, will make to be filled into a certain amount of resin liquid in scraper inner chamber.At present, the lift height that photocureable rapid shaping generally adopts is 0.05mm-0.1mm, if want the crudy of whole part high, will ensure that thickness is even between layers, and in same layer, diverse location also wants thickness even, and the device of major effect layer thickness uniformity is exactly coating unit, and topmost in coating unit be exactly coating blade, flatness and the adjustment of levelness of its processing are extremely important; Secondly, its weight is lighter, more easily ensures movement velocity and stability.
In Chinese patent 200510124517 " a kind of recoating device for photocurable quick shaping process ", refer to split type coating unit.And the coating unit of this conventional two-piece, namely crossbeam and scraper separate and produce, and the two are coupled together by screw rod, and are regulated the gap of scraper and crossbeam by screw rod knob, thus realize Height Adjustment and the horizontal adjustment of scraper.Split type coating unit has Railway Project: first, owing to there is assembly relation in split type coating unit, so the problem of assembly precision can be there is, and whole device can be heavier, concerning the motor of coating unit, load is crossed conference and is caused the comparatively slow and low jitter phenomenon of speed, affects the work quality of equipment; Secondly, split type coating unit is moved up and down by screw rod knob adjustment scraper, and during adjustment, torsion can cause the torsional deformation of scraper, reduces scraper precision, the final work quality affecting equipment; 3rd, split type coating unit processing cost is higher, and assembling is comparatively complicated; 4th, split type coating unit separates due to crossbeam and scraper, cannot measure the most important bottom surface of scraper, its levelness cannot be judged, can only be analyzed by processing test block, inefficiency also causes consumptive material to waste, and regulated by screw rod, do not have scale, precision is poor, if screw failure, then scraper is scrapped.
Therefore, need a kind ofly to be convenient to regulate, the high coating blade of coating quality and coating unit.
Utility model content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of coating blade for photocureable rapid shaping and coating unit, not easily regulates, easily deformable problem for solving coating blade in prior art.
For achieving the above object and other relevant objects, the utility model provides a kind of coating blade for photocureable rapid shaping, described coating blade is integral type structure, the scraper body comprising mounting rail and be connected with described mounting rail, described scraper body with the elongated slot under shed, and is equipped with blade along the both sides of elongated slot length direction.
The utility model also provides a kind of coating unit for photocureable rapid shaping, and it comprises:
Resin storage tank, for holding resin material, is provided with the 3 D-printing platform being full of mesh in resin storage tank;
Z-axis lifting mechanism, is connected with described 3 D-printing platform, drives described 3 D-printing platform to move up and down in described resin storage tank;
Coating blade, across above described resin storage tank, the structure coating blade as claimed in claim 1 of coating blade;
Drive the scraper driving mechanism that described coating blade seesaws, comprise the horizontal installing rack be placed on described resin storage tank, be located at the guide rail that the parallel and fore-and-aft direction of on described horizontal installing rack two extends, be arranged on the slide block on guide rail and drive slide block along the coating motor of guide rail movement, each slide block is respectively provided with a lifting platform, the end winding support of described coating blade, on described lifting platform, regulates the levelness of coating blade and the whole height of coating blade by regulating two lifting platforms.
Preferably, the Z axis motor that described Z-axis lifting mechanism comprises lifting slider, vertical rail and drives described lifting slider to move up and down along described vertical rail, described 3 D-printing platform is connected with described lifting slider by linking arm.
Preferably, also comprise the tracheae communicated with the elongated slot on described coating blade, and the vavuum pump be connected with described tracheae.
Preferably, described tracheae is provided with pressure regulator valve.
Preferably, described lifting platform is manual lifting platform.
Preferably, described horizontal installing rack is tower structure.
Preferably, described coating motor drives described slide block along described guide rail movement by synchronous belt mechanism or screw body.
As mentioned above, the coating blade for photocureable rapid shaping of the present utility model and coating unit, have following beneficial effect: the overall structure that (1) coating blade of the present utility model is formed in one, lightweight, be convenient to regulate, be easy to assembling, reduce costs; (2) coating unit of the present utility model adopts the lifting platform at two ends to regulate coating blade, and this kind of adjustment can not produce torsion to coating blade, does not have torsional deformation, ensure that dimensional accuracy; And the flatness of coating blade lower surface and the depth of parallelism of upper and lower surface can be ensured, by ensureing the levelness of upper surface, just can ensure the levelness of lower surface, improving degree of regulation.
Accompanying drawing explanation
Fig. 1 is shown as the coating blade schematic diagram for photocureable rapid shaping of the present utility model.
Fig. 2 is shown as the coating unit schematic diagram for photocureable rapid shaping of the present utility model.
Fig. 3 is shown as vacuum suction of the present utility model coating schematic diagram.
Fig. 4 is shown as manual lifting platform schematic diagram.
Element numbers explanation
1 coating blade
11 mounting rails
12 scraper bodies
121 elongated slots
122 blades
13 installing holes
14 adjustment screw
2 Z-axis lifting mechanisms
21 Z axis motors
22 vertical rails
23 lifting sliders
3 resin storage tanks
4 horizontal installing racks
51 guide rails
52 slide blocks
53 coating motors
54 Timing Belts
55 synchronizing wheels
6 lifting platforms
61 end faces
62 adjusting knobs
63 install bottom surface
7 linking arms
83 D-printing platforms
9 zero position switchs
10 vavuum pumps
16 pressure regulator valves
17 tracheaes
Detailed description of the invention
By particular specific embodiment, embodiment of the present utility model is described below, person skilled in the art scholar the content disclosed by this description can understand other advantages of the present utility model and effect easily.
Refer to Fig. 1 to Fig. 3.Notice, structure, ratio, size etc. that this description institute accompanying drawings illustrates, content all only in order to coordinate description to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the utility model, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the utility model can produce and the object that can reach, still all should drop on technology contents that the utility model discloses and obtain in the scope that can contain.Simultaneously, quote in this description as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the utility model.
As shown in Figure 1, the utility model provides a kind of coating blade for photocureable rapid shaping, coating blade is integral type structure, the scraper body 12 comprising mounting rail 11 and be connected with mounting rail 11, scraper body 12 is with the elongated slot 121 under shed, as shown in Figure 3, the both sides and along elongated slot length direction are equipped with blade 122.The utility model adopts a block of material by high-accuracy mechanical process equipment, as the technology such as CNC produce monoblock type coating blade, due to be one machine-shaping without the need to assembling, so by the processing to upper and lower surface, can ensure flatness and the depth of parallelism of two planes, precision can ensure within eight, it is easy to processing, and lighter in weight, not easily produce distortion.The blade of its fore-and-aft direction of coating blade of the present utility model can reduce resin bubble, also can scrape off the Excess resin exceeding liquid level, can be paved with resin again at recess, ensures the uniformity of thickness.The two ends of above-mentioned mounting rail 11 are respectively provided with multiple installing hole 13, and the bottom of elongated slot 121 is provided with chamfering.
As shown in Figure 2, the utility model also provides a kind of coating unit for photocureable rapid shaping, and it comprises:
Resin storage tank 3, for holding resin material, is provided with the 3 D-printing platform 8 being full of mesh in resin storage tank 3;
Z-axis lifting mechanism 2, is connected with 3 D-printing platform 8, drives 3 D-printing platform 8 to move up and down in resin storage tank 3;
Coating blade 1, across above resin storage tank 3, the structure of coating blade 1 is described above;
Drive the scraper driving mechanism that coating blade 1 seesaws, comprise the horizontal installing rack 4 be placed on resin storage tank, be located at the guide rail 51 that the parallel and fore-and-aft direction of on horizontal installing rack 4 two extends, the coating motor 53 being arranged on the slide block 52 on guide rail 51 and driving slide block 52 to move along guide rail 51, each slide block 52 is respectively provided with a lifting platform 6, the end winding support of coating blade 1 is on lifting platform 6, by regulating two lifting platforms 6 to regulate the height of coating blade 1 left and right sides, thus regulate levelness and the whole height of coating blade 1.
The utility model adopts integral type coating blade, and is arranged on by coating blade on two lifting platforms, by the levelness regulating lifting platform to regulate coating blade, also improves Adjustment precision while being convenient to regulate; Coating blade 1 is across on resin storage tank 3, movable under the drive of scraper driving mechanism.
The Z axis motor 21 that above-mentioned Z-axis lifting mechanism 2 comprises lifting slider 23, vertical rail 22 and drives lifting slider 23 to move up and down along vertical rail 22,3 D-printing platform 8 is connected with lifting slider 23 by linking arm 7.Z axis motor 21 drives lifting slider 23 to move up and down, and with this, 3 D-printing platform 8 is moved up and down in resin storage tank 3, completes 3 D-printing.
Above-mentioned horizontal installing rack 4 is tower structure, is convenient to install above-mentioned scraper driving mechanism, ensures above-mentioned guide rail 51 maintenance level.Above-mentioned horizontal installing rack 4 also can be other shapes, as having the frame structure of opening, or is simple two cross bars be arranged in parallel.
Above-mentioned scraper driving mechanism realizes bilateral driving by synchronous belt mechanism, concrete structure is, Timing Belt 54 is connected with the output shaft of coating motor 53, Timing Belt 54 is wrapped on synchronizing wheel 55, Timing Belt 54 is connected with slide block 52, slide block 52 is provided with lifting platform 6, lifting platform 6 is provided with coating blade 1, coating blade 1 can hold out against by adjustment screw 14 levelness realizing fore-and-aft direction and regulate.Scraper driving mechanism also can be: coating motor 53 drives slide block 52 to move along guide rail 51 by screw body, and this scraper driving mechanism is not limited thereto, and moves under the drive of coating motor as long as can realize slide block.
For ease of controlling, guide rail 51 is provided with zero position switch 9, can be optoelectronic switch, or touch switch, and this zero position switch 9 can determine whether slide block is positioned at initial position, whether starts.
In the present embodiment, above-mentioned lifting platform 6 is manual lifting platform, also can be other electronic lifting platforms.Manual lifting platform mainly contains the structures such as micrometer, screw thread pair, grinding screw rod, gear train, rack-and-pinion, cam-type or Wedge-type, is not described further at this concrete structure to hand lifting platform.Preferably, with micrometer namely with the manual lifting platform regulating scale, to make record when regulating, subsequent adjustment is convenient to.As shown in Figure 4, be the manual lifting platform structure that the present embodiment is taked, it comprises end face 61, adjusting knob 62 and installs bottom surface 63, is regulated the height of end face 61 by rotation of adjustment knob 62.Preferably, this adjusting knob is provided with scale, is convenient to record.
Concrete control method to coating blade levelness: lifting platform 6 can by the adjustment regulating upper-lower height to realize coating blade left and right sides height.Lifting platform 6 manually can adjust the height of end face 61 by adjusting knob 62, minimum scale can reach 0.01mm.And there is lock-screw, after being adjusted to object height, locked.Respectively there is the lifting platform 6 of a hand below the coating blade left and right sides, by the common adjustment of the two, the spacing between coating blade bottom surface and liquid level can be regulated; By the relative adjustment of the two, the depth of parallelism of coating blade bottom surface and liquid level can be regulated.
Coating blade anterior and posterior height regulated quantity is less, and required precision is lower than left and right height, and above-mentioned adjustment screw 14 can be utilized to regulate.The two ends of mounting rail 12 are respectively provided with the screwed hole (i.e. above-mentioned installing hole 13) arranged before and after a row, and adjustment screw coordinates with screwed hole, and adjustment screw holds out against downwards, just the side of coating blade can be heightened, thus the object be up to the standard.
The utility model adopts vacuum adsorption type coating, as shown in Figure 3, vavuum pump 10 is communicated with the elongated slot on described coating blade by tracheae 17, this tracheae 17 is also provided with pressure regulator valve 16, the pressure in elongated slot cavity is controlled by pressure regulator valve 16, thus determine the amount of resin in elongated slot 121, in elongated slot 121, the liquid level of resin is generally at 1/2 to 3/4 place.
In sum, the coating blade for photocureable rapid shaping of the present utility model and coating unit, adopt integrated coating blade, it is lightweight, is convenient to regulate, and is easy to assembling, reduces costs; Adopt the lifting platform at two ends to regulate coating blade, this kind of adjustment can not produce torsion to coating blade, does not have torsional deformation, ensure that dimensional accuracy; And the flatness of coating blade lower surface and the depth of parallelism of upper and lower surface can be ensured, by ensureing the levelness of upper surface, just can ensure the levelness of lower surface, improving degree of regulation.So the utility model effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all without prejudice under spirit of the present utility model and category, can modify above-described embodiment or changes.Therefore, such as have in art and usually know that the knowledgeable modifies or changes not departing from all equivalences completed under the spirit and technological thought that the utility model discloses, must be contained by claim of the present utility model.
Claims (8)
1. the coating blade for photocureable rapid shaping, it is characterized in that, described coating blade (1) is integral type structure, the scraper body (12) comprising mounting rail (11) and be connected with described mounting rail (11), described scraper body (12) with the elongated slot (121) under shed, and is equipped with blade (122) along the both sides of elongated slot (121) length direction.
2. for a coating unit for photocureable rapid shaping, it is characterized in that: comprising:
Resin storage tank (3), for holding resin material, is provided with the 3 D-printing platform (8) being full of mesh in resin storage tank (3);
Z-axis lifting mechanism (2), is connected with described 3 D-printing platform (8), drives described 3 D-printing platform (8) to move up and down in described resin storage tank;
Coating blade (1), across the top in described resin storage tank (3), the structure coating blade as claimed in claim 1 (1) of coating blade (1);
Drive the scraper driving mechanism that described coating blade (1) seesaws, comprise the horizontal installing rack (4) be placed on described resin storage tank (3), be located at the guide rail (51) that the parallel and fore-and-aft direction of on described horizontal installing rack (4) two extends, the coating motor (53) being arranged on the slide block (52) on guide rail (51) and driving slide block (52) to move along guide rail (51), each slide block (52) is respectively provided with a lifting platform (6), the end winding support of described coating blade (1) is on described lifting platform (6), the levelness of coating blade (1) and the whole height of coating blade is regulated by regulating two lifting platforms (6).
3. the coating unit for photocureable rapid shaping according to claim 2, it is characterized in that: the Z axis motor (21) that described Z-axis lifting mechanism (2) comprises lifting slider (23), vertical rail (22) and drives described lifting slider (22) to move up and down along described vertical rail (22), described 3 D-printing platform (8) is connected with described lifting slider (23) by linking arm (7).
4. the coating unit for photocureable rapid shaping according to claim 2, it is characterized in that: also comprise the tracheae (17) communicated with the elongated slot (121) on described coating blade (1), and the vavuum pump (10) be connected with described tracheae (17).
5. the coating unit for photocureable rapid shaping according to claim 4, is characterized in that: described tracheae (17) is provided with pressure regulator valve (16).
6. the coating unit for photocureable rapid shaping according to claim 2, is characterized in that: described lifting platform (6) is manual lifting platform.
7. the coating unit for photocureable rapid shaping according to claim 2, is characterized in that: described horizontal installing rack (4) is tower structure.
8. the coating unit for photocureable rapid shaping according to claim 2, is characterized in that: described coating motor (53) drives described slide block (52) to move along described guide rail (51) by synchronous belt mechanism or screw body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420472035.0U CN204020012U (en) | 2014-08-20 | 2014-08-20 | For coating blade and the coating unit of photocureable rapid shaping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420472035.0U CN204020012U (en) | 2014-08-20 | 2014-08-20 | For coating blade and the coating unit of photocureable rapid shaping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204020012U true CN204020012U (en) | 2014-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420472035.0U Expired - Lifetime CN204020012U (en) | 2014-08-20 | 2014-08-20 | For coating blade and the coating unit of photocureable rapid shaping |
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| CN (1) | CN204020012U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104527070A (en) * | 2014-12-24 | 2015-04-22 | 上海联泰三维科技有限公司 | Rapid photocuring forming device capable of simultaneously printing various materials |
| CN104527065A (en) * | 2014-12-18 | 2015-04-22 | 宁波高新区泰博科技有限公司 | 3D laser printer with leveling function and light-curing printing method thereof |
| CN104626584A (en) * | 2015-01-26 | 2015-05-20 | 杭州先临三维科技股份有限公司 | Scraper pressure stabilizing system and control method thereof |
| CN105437541A (en) * | 2014-08-20 | 2016-03-30 | 上海联泰科技有限公司 | Coating scraper and coating apparatus for photocuring rapid prototyping |
| CN106113493A (en) * | 2016-04-07 | 2016-11-16 | 杭州乐新材料科技有限公司 | A kind of sandwich and 3D printing device |
| CN111497235A (en) * | 2019-01-30 | 2020-08-07 | 通用电气公司 | Recoating assembly for additive manufacturing machine |
| KR102432741B1 (en) * | 2021-02-08 | 2022-08-16 | 주식회사 쓰리디컨트롤즈 | A three dimensional printer with dual tilted blades |
-
2014
- 2014-08-20 CN CN201420472035.0U patent/CN204020012U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105437541A (en) * | 2014-08-20 | 2016-03-30 | 上海联泰科技有限公司 | Coating scraper and coating apparatus for photocuring rapid prototyping |
| CN105437541B (en) * | 2014-08-20 | 2019-01-04 | 上海联泰科技股份有限公司 | Coating blade and coating unit for photocureable rapid shaping |
| CN104527065A (en) * | 2014-12-18 | 2015-04-22 | 宁波高新区泰博科技有限公司 | 3D laser printer with leveling function and light-curing printing method thereof |
| CN104527070A (en) * | 2014-12-24 | 2015-04-22 | 上海联泰三维科技有限公司 | Rapid photocuring forming device capable of simultaneously printing various materials |
| CN104626584A (en) * | 2015-01-26 | 2015-05-20 | 杭州先临三维科技股份有限公司 | Scraper pressure stabilizing system and control method thereof |
| CN104626584B (en) * | 2015-01-26 | 2017-12-26 | 杭州先临三维科技股份有限公司 | A kind of scraper voltage-stabilizing system and its control method |
| CN106113493A (en) * | 2016-04-07 | 2016-11-16 | 杭州乐新材料科技有限公司 | A kind of sandwich and 3D printing device |
| CN111497235A (en) * | 2019-01-30 | 2020-08-07 | 通用电气公司 | Recoating assembly for additive manufacturing machine |
| US11458681B2 (en) | 2019-01-30 | 2022-10-04 | General Electric Company | Recoating assembly for an additive manufacturing machine |
| KR102432741B1 (en) * | 2021-02-08 | 2022-08-16 | 주식회사 쓰리디컨트롤즈 | A three dimensional printer with dual tilted blades |
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Effective date of registration: 20151112 Address after: 201612 Shanghai Caohejing Songjiang hi tech park Xinzhuan Highway No. 258 building 40 Room 102 -1 Patentee after: SHANGHAI UNION TECHNOLOGY Co.,Ltd. Address before: 201612 Shanghai city Songjiang District Xinzhuan Highway No. 258 Songjiang Caohejing hi tech park, building 40, Room 102 Patentee before: SHANGHAI UNION3D TECHNOLOGY Co.,Ltd. |
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| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201612 Shanghai Caohejing Songjiang hi tech park Xinzhuan Highway No. 258 building 40 Room 102 -1 Patentee after: SHANGHAI UNION TECHNOLOGY Corp. Address before: 201612 Shanghai Caohejing Songjiang hi tech park Xinzhuan Highway No. 258 building 40 Room 102 -1 Patentee before: SHANGHAI UNION TECHNOLOGY Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20141217 |
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| CX01 | Expiry of patent term |