CN204977481U - Film feedway of 3D printer based on DLP - Google Patents
Film feedway of 3D printer based on DLP Download PDFInfo
- Publication number
- CN204977481U CN204977481U CN201520647037.3U CN201520647037U CN204977481U CN 204977481 U CN204977481 U CN 204977481U CN 201520647037 U CN201520647037 U CN 201520647037U CN 204977481 U CN204977481 U CN 204977481U
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- film
- storage tank
- resin storage
- pressing device
- band
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Abstract
The utility model discloses a film feedway of 3D printer based on DLP, it is including pressure membrane apparatus (3) and double -layered banded film (4) between slip resin storage tank (2) and pressure membrane apparatus (3) that can follow guide rail (1) gliding slip resin storage tank (2), match with slip resin storage tank (2), the both ends of guide rail (1) are equipped with stretch -draw spool (5) that are used for stretch -draw banded film (4), the utility model has the advantages of practicing thrift and printing the material, effective degree of consistency of printing the material that improves makes the model material intensity that prints even.
Description
Technical field
The utility model relates to a kind of film feeding device of the 3D printer based on DLP.
Background technology
3D printing technique is actually the general designation of a series of rapid prototyping forming technique, its general principle is all layered manufacturing, in X-Y plane, formed the cross sectional shape of workpiece by rapid prototyping machine by scanning form, and do the displacement of slice thickness at Z coordinate discontinuously, finally form three dimensional articles.3D printing technique common in the market mainly contains 3DP three dimensional printing technology, FDM fusion stacking forming technique, SLA stereolithography techniques, LOM Laminated Object Manufacturing, SLS precinct laser sintering technology, DLP digital light process forming technique etc.3D prints different from traditional removal materials processing technology, is therefore also called to add to manufacture.As the comprehensive application technology of one, 3D prints all many-sided cutting edge technology knowledge such as combining digital modeling techniques, Electromechanical Control technology, information technology, material science and chemistry, has very high scientific and technological content.
DLP forming technique is improvement and the development of SLA stereolithography technology: SLA stereolithography techniques take photosensitive resin as raw material, point by point scanning is carried out by each layering cross section information of part on the photosensitive resin surface of liquid state by computer control laser or ultraviolet light, produced photopolymerization reaction by the thin resin layer of scanning area and solidify, forming a thin layer of part.After one deck has solidified, workbench moves or moves down the distance of a thickness, then apply the new liquid resin of one deck again at the resin surface be originally cured and carry out printing solidification, until obtain three-dimensional entity model.
As shown in Figure 2, resin storage tank 1 ' the feed that the existing 3D printer based on DLP generally adopts bottom transparent, resin storage tank 1 ' is built with the photosensitive resin of liquid state, printing substrate 2 ' level is pressed close to the photosensitive resin layer that resin storage tank 1 ' bottom makes to be full of between the bottom surface of printing substrate 2 ' and resin storage tank 1 ' lower surface one deck liquid state, then computer controls to be positioned at the laser of resin storage tank 1 ' bottom or ultraviolet light and carries out point by point scanning through resin storage tank 1 ' clear bottom to this layer of liquid photosensitive resin layer by the layering cross section information of part, produced photopolymerization reaction by the thin resin layer of scanning area and solidify, form a thin layer of part, then the distance of printing substrate 2 ' moving a setting thickness is controlled, owing to there being a large amount of liquid photosensitive resins in resin storage tank 1 ', be now attached to the photosensitive resin layer being filled with again one deck liquid state between the thin resin layer of having solidified on printing substrate 2 ' and resin storage tank 1 ' lower surface, repeat above-mentioned print procedure, until obtain three-dimensional entity model.But there is following shortcoming in the device that above-mentioned employing resin storage tank 1 ' carries out printing feed: because the 3D time-write interval is relatively long, liquid printed material (as liquid photosensitive resin) easily sinks to the bottom, occur printed material excessive concentration bottom resin storage tank and the too low problem of top concentration, thus the strength of materials that result also in the model various piece printed is uneven; And printing substrate needs to be immersed in the liquid printed material of resin storage tank, printing substrate can take unnecessary liquid printed material out of, also greatly wastes liquid printed material while making troubles to cleaning work.
Utility model content
Technical problem to be solved in the utility model is, overcome the shortcoming of above prior art: provide a kind of and save printed material, the uniformity of effective raising printed material, makes the film feeding device of the 3D printer based on DLP of the cast material even intensity printed.
Technical solution of the present utility model is as follows: a kind of film feeding device of the 3D printer based on DLP, and it comprises the film pressing device that can match along the slip resin storage tank of slide and slip resin storage tank and the band-like film be clipped between slip resin storage tank and film pressing device; The two ends of described guide rail are provided with the stretch-draw spool for stretch-draw band-like film.
The both sides of the edge of described slip resin storage tank and the lower surface contact position of band-like film are arranged with the first roller bearing and the elastic scraper for striking off band-like film lower surface printed material.
Band-like film to be pressed in slip resin storage tank and to be fitted and fixed with slip resin storage tank by described film pressing device.
The both sides of the edge of described film pressing device are respectively equipped with left scraper plate for striking off band-like film upper surface printed material and right scraper plate; The first stage clip making them can stretch along the width of slip resin storage tank is provided with between described left scraper plate and right scraper plate; The bottom described film pressing device being positioned at left scraper plate is provided with the lifter plate that can be elevated along short transverse; The side, two ends of described lifter plate is provided with elasticity push jack; The two ends of described film pressing device are provided with can along the pull bar of short transverse push-and-pull; The lower end of described pull bar is connected with lifter plate, and upper end is connected with the slide block moved left and right being located at film pressing device two ends; Described slide block sidewall is provided with gradient hole; The upper end of described pull bar is by nose bar and the sliding connection of gradient hole; The bottom of described film pressing device is provided with at least two the second roller bearings across film pressing device two ends.
The bar shaped scraper plate that described elastic scraper is extended by the length direction along slip resin storage tank and the second stage clip be positioned at bottom bar shaped scraper plate form.
End, two ends and the end, slip resin storage tank two ends of described film pressing device are fastened.
The outside that described slip resin storage tank both sides of the edge are positioned at elastic scraper is also provided with the 3rd roller bearing.
Described left scraper plate is provided with the printed material recovery holes running through its upper and lower end face; Screen pack is provided with in described printed material recovery holes.
The two ends of described guide rail are provided with the striker for answering back to slide block.
Described band-like film is transparent membrane.
The beneficial effects of the utility model are: the utility model has saving printed material based on the film feeding device of the 3D printer of DLP, effectively improve the uniformity of printed material, make the advantage of the cast material even intensity printed.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model based on the film feeding device of the 3D printer of DLP.
Fig. 2 is the perspective view of the existing 3D printer based on DLP.
Fig. 3 is A place structure for amplifying schematic diagram in Fig. 1.
Fig. 4 is the slip resin storage tank perspective view of the utility model based on the film feeding device of the 3D printer of DLP.
Fig. 5 is the film pressing device perspective view of the utility model based on the film feeding device of the 3D printer of DLP.
Fig. 6 is the film pressing device section perspective view of the utility model based on the film feeding device of the 3D printer of DLP.
In figure: 1, guide rail; 2, slip resin storage tank; 2.1, the first roller bearing; 2.2, elastic scraper; 2.3, the 3rd roller bearing; 3, film pressing device; 3.1, left scraper plate; 3.2, right scraper plate; 3.3, the first stage clip; 3.4, lifter plate; 3.5, elasticity push jack; 3.6, pull bar; 3.7, slide block; 3.8, gradient hole; 3.9, the second roller bearing; 4, band-like film; 5, stretch-draw spool; 6, striker.
Detailed description of the invention
With specific embodiment, the utility model is described in further details below, but the utility model is not only confined to following specific embodiment.
Embodiment
As shown in Fig. 1 and 3-6, based on a film feeding device for the 3D printer of DLP, it comprises the film pressing device 3 that can match along the slip resin storage tank 2 of guide rail 1 slip and slip resin storage tank 2 and the band-like film 4 be clipped between slip resin storage tank 2 and film pressing device 3; The two ends of described guide rail 1 are provided with the stretch-draw spool 5 for stretch-draw band-like film 4;
Band-like film 4 to be pressed in slip resin storage tank 2 and to be fitted and fixed with slip resin storage tank 2 by described film pressing device 3; Described slip resin storage tank 2 both sides of the edge and the lower surface contact position of band-like film 4 be arranged with the first roller bearing 2.1 and the elastic scraper 2.2 for striking off band-like film 4 lower surface printed material;
The both sides of the edge of described film pressing device 3 are respectively equipped with left scraper plate 3.1 for striking off band-like film 4 upper surface printed material and right scraper plate 3.2; The first stage clip 3.3 making them can stretch along the width of slip resin storage tank 2 is provided with between described left scraper plate 3.1 and right scraper plate 3.2; The bottom described film pressing device 3 being positioned at left scraper plate 3.1 is provided with the lifter plate 3.4 that can be elevated along short transverse; The side, two ends of described lifter plate 3.4 is provided with elasticity push jack 3.5; The two ends of described film pressing device 3 are provided with can along the pull bar 3.6 of short transverse push-and-pull; The lower end of described pull bar 3.6 is connected with lifter plate 3.4, and upper end is connected with the slide block 3.7 moved left and right being located at film pressing device 3 two ends; Described slide block 3.7 sidewall is provided with gradient hole 3.8; The upper end of described pull bar 3.6 is by nose bar and gradient hole 3.8 sliding connection; Described left scraper plate (3.1) is all slidably connected with the two ends end plate of film pressing device (3) with the two ends of right scraper plate (3.2).
The bottom of described film pressing device 3 is provided with at least two the second roller bearings 3.9 across film pressing device 3 two ends;
The bar shaped scraper plate that elastic scraper 2.2 is extended by the length direction along slip resin storage tank 2 and the second stage clip be positioned at bottom bar shaped scraper plate form;
End, two ends and the end, slip resin storage tank 2 two ends of described film pressing device 3 are fastened.
The outside that described slip resin storage tank 2 both sides of the edge are positioned at elastic scraper 2.2 is also provided with the 3rd roller bearing 2.3;
Left scraper plate 3.1 is provided with the printed material recovery holes running through its upper and lower end face; Screen pack is provided with in described printed material recovery holes;
The two ends of described guide rail 1 are provided with the striker 6 for answering back to slide block 3.7;
Described band-like film 4 is transparent membrane.
As shown in Figure 1, when the utility model uses, first laterally being clipped in by band-like film 4 is equipped with between the slip resin storage tank 2 of liquid printed material and film pressing device 3, end, two ends and the end, slip resin storage tank 2 two ends of film pressing device 3 are fastened, and are then fixed at band-like film 4 two ends on the stretch-draw spool 5 being positioned at guide rail 1 two; Stretch-draw spool 5 is regulated to make band-like film 4 be in tight horizontal operation state; Because the lower surface of band-like film 4 contacts with the 3rd roller bearing 2.3 with the first roller bearing 2.1, elastic scraper 2.2, upper surface contacts with two second roller bearings 3.9 with left scraper plate 3.1, right scraper plate 3.2; Therefore slip resin storage tank 2 can horizontally slip along band-like film 4 together with film pressing device 3.
When on the right side of slip resin storage tank 2 slides to guide rail 1; The right striker 6 can collide with slide block 3.7 and be moved to left by slide block 3.7, the nose bar of pull bar 3.6 upper end is in bottom gradient hole 3.8, the lifter plate 3.4 be connected with pull bar 3.6 lower end is in the state do not raised, therefore the elasticity push jack 3.5 of lifter plate 3.4 two ends sidewall does not contact with band-like film 4, elastic scraper 2.2, left scraper plate 3.1, right scraper plate 3.2 all with band-like film 4 close contact, thus band-like film 4 upper and lower surface can not take liquid printed material out of.
When on the left of slip resin storage tank 2 slides to guide rail 1; Left side striker 6 can collide with slide block 3.7 and be moved to right by slide block 3.7, the nose bar of pull bar 3.6 upper end is in top, gradient hole 3.8, the lifter plate 3.4 be connected with pull bar 3.6 lower end rises and raises, thus drive the elasticity push jack 3.5 of lifter plate 3.4 two ends sidewall to rise between embedding band-like film 4 and left scraper plate 3.1, thus make to occur gap between left scraper plate 3.1 and band-like film 4 upper surface; When slip resin storage tank 2 moves to right along guide rail 1, band-like film 4 upper surface can take a layer thickness printed material identical with described gap thickness out of from slip resin storage tank 2; Now the printing substrate controlled in the middle of guide rail 1 drops to lower surface and contacts with band-like film 4 and printed material by being positioned at laser below band-like film 4 or ultraviolet light polymerization band-like film 4 upper surface; The print job of one deck can be completed; Because elastic scraper 2.2, right scraper plate 3.2 all keep close contact with band-like film 4, thus band-like film 4 lower surface and band-like film 4 upper surface be positioned on the right side of right scraper plate 3.2 can not take liquid printed material out of.After having printed one deck due to slip resin storage tank 2 slide on the right side of guide rail 1 time, the right striker 6 can again collide with slide block 3.7 and be moved to left by slide block 3.7, elasticity push jack 3.5 is made to depart from the contact with band-like film 4, recover band-like film 4 and left scraper plate 3.1 close contact and the gap of eliminating between them, therefore when the resin storage tank 2 that slides after having printed one deck moves to left along guide rail 1, left scraper plate 3.1 can scrape the unnecessary printed material of band-like film 4 upper surface and be recycled in slip resin storage tank 2 by the printed material recovery holes on left scraper plate 3.1, repeat the periodic cycle that said process can realize feed-printing-reclaimed materials.
Claims (10)
1., based on a film feeding device for the 3D printer of DLP, it is characterized in that: it comprise can slide along guide rail (1) slip resin storage tank (2), and the film pressing device (3) that matches of slip resin storage tank (2) and the band-like film (4) that is clipped between slip resin storage tank (2) and film pressing device (3); The two ends of described guide rail (1) are provided with the stretch-draw spool (5) for stretch-draw band-like film (4).
2. the film feeding device of the 3D printer based on DLP according to claim 1, is characterized in that: the both sides of the edge of described slip resin storage tank (2) and the lower surface contact position of band-like film (4) are arranged with the first roller bearing (2.1) and the elastic scraper (2.2) for striking off band-like film (4) lower surface printed material.
3. the film feeding device of the 3D printer based on DLP according to claim 1, is characterized in that: described film pressing device (3) will be fitted and fixed with slip resin storage tank (2) in band-like film (4) press-in slip resin storage tank (2).
4. the film feeding device of the 3D printer based on DLP according to claim 1, is characterized in that: the both sides of the edge of described film pressing device (3) are respectively equipped with left scraper plate (3.1) for striking off band-like film (4) upper surface printed material and right scraper plate (3.2); The first stage clip (3.3) making them can stretch along the width of slip resin storage tank (2) is provided with between described left scraper plate (3.1) and right scraper plate (3.2); The bottom described film pressing device (3) being positioned at left scraper plate (3.1) is provided with the lifter plate (3.4) that can be elevated along short transverse; The side, two ends of described lifter plate (3.4) is provided with elasticity push jack (3.5); The two ends of described film pressing device (3) are provided with can along the pull bar of short transverse push-and-pull (3.6); The lower end of described pull bar (3.6) is connected with lifter plate (3.4), and upper end is connected with the slide block (3.7) moved left and right being located at film pressing device (3) two ends; Described slide block (3.7) sidewall is provided with gradient hole (3.8); The upper end of described pull bar (3.6) is by nose bar and gradient hole (3.8) sliding connection; The bottom of described film pressing device (3) is provided with at least two the second roller bearings (3.9) across film pressing device (3) two ends.
5. the film feeding device of the 3D printer based on DLP according to claim 2, is characterized in that: the bar shaped scraper plate that described elastic scraper (2.2) is extended by the length direction along slip resin storage tank (2) and the second stage clip be positioned at bottom bar shaped scraper plate form.
6. the film feeding device of the 3D printer based on DLP according to claim 1, is characterized in that: end, two ends and slip resin storage tank (2) end, two ends of described film pressing device (3) are fastened.
7. the film feeding device of the 3D printer based on DLP according to claim 1, is characterized in that: the outside that described slip resin storage tank (2) both sides of the edge are positioned at elastic scraper (2.2) is also provided with the 3rd roller bearing (2.3).
8. the film feeding device of the 3D printer based on DLP according to claim 4, is characterized in that: described left scraper plate (3.1) is provided with the printed material recovery holes running through its upper and lower end face; Screen pack is provided with in described printed material recovery holes.
9. the film feeding device of the 3D printer based on DLP according to claim 4, is characterized in that: the two ends of described guide rail (1) are provided with the striker (6) for answering back to slide block (3.7).
10. the film feeding device of the 3D printer based on DLP according to claim 1, is characterized in that: described band-like film (4) is transparent membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520647037.3U CN204977481U (en) | 2015-08-25 | 2015-08-25 | Film feedway of 3D printer based on DLP |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520647037.3U CN204977481U (en) | 2015-08-25 | 2015-08-25 | Film feedway of 3D printer based on DLP |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204977481U true CN204977481U (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520647037.3U Expired - Fee Related CN204977481U (en) | 2015-08-25 | 2015-08-25 | Film feedway of 3D printer based on DLP |
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| Country | Link |
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| CN (1) | CN204977481U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110225815A (en) * | 2015-10-02 | 2019-09-10 | 耐克森三维有限公司 | The method and apparatus for carrying out photocuring with displaceable self-lubricating substrate to form three-dimension object |
| CN114619667A (en) * | 2020-12-11 | 2022-06-14 | 中国科学院福建物质结构研究所 | Synchronous pushing and linear stripping device for printing ultrahigh-viscosity resin and resin preparation method |
-
2015
- 2015-08-25 CN CN201520647037.3U patent/CN204977481U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110225815A (en) * | 2015-10-02 | 2019-09-10 | 耐克森三维有限公司 | The method and apparatus for carrying out photocuring with displaceable self-lubricating substrate to form three-dimension object |
| US11260579B2 (en) | 2015-10-02 | 2022-03-01 | NEXA3D Inc. | Methods for photo-curing with displaceable self-lubricating substratum for the formation of three-dimensional objects |
| CN114619667A (en) * | 2020-12-11 | 2022-06-14 | 中国科学院福建物质结构研究所 | Synchronous pushing and linear stripping device for printing ultrahigh-viscosity resin and resin preparation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wang Honglong Assignor: NINGBO JOCK BROTHER 3D TECHNOLOGY CO., LTD. Contract record no.: 2018330000080 Denomination of utility model: Film feedway of 3D printer based on DLP Granted publication date: 20160120 License type: Exclusive License Record date: 20180704 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20190825 |