CN204977472U - 3D printer based on DLP of film feed - Google Patents
3D printer based on DLP of film feed Download PDFInfo
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- CN204977472U CN204977472U CN201520643908.4U CN201520643908U CN204977472U CN 204977472 U CN204977472 U CN 204977472U CN 201520643908 U CN201520643908 U CN 201520643908U CN 204977472 U CN204977472 U CN 204977472U
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- film
- storage tank
- resin storage
- lifter plate
- dlp
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Abstract
The utility model discloses a 3D printer based on DLP of film feed, including feedway and print platform, feedway 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), print platform is including lifter plate (7) and the printing base plate (8) that are the rectangle, the both sides of lifter plate (7) are joined in marriage the mechanism with the both sides of printing base plate (8) through the cunning and are connected, the upper surface of printing base plate (8) is equipped with handle (10), be equipped with spacer pin (11) on lifter plate (7), the utility model has the advantages of practice thrift to print the material, effective degree of consistency of printing the material that improves makes that the model material intensity that prints is even, the object space is got just to the drawing of patterns, print the base plate and be difficult for making dirty, and ejection process's is efficient.
Description
Technical field
The utility model relates to a kind of 3D printer based on DLP of film feed.
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 through resin storage tank 1 ' clear bottom by the layering cross section information of part this layer of liquid photosensitive resin layer is carried out to point by point scanning or directly project cross sectional shape by projecting apparatus, to be scanned or the thin resin layer of view field produces photopolymerization reaction and solidifying, 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 above-mentioned 3D printer: 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.Take out printing substrate to above-mentioned 3D printer to carry out the demoulding to get thing operation not too convenient simultaneously, the bottom surface of hand rest printing substrate is needed when reinstalling printing substrate after delivery type, printing substrate bottom surface of easily making dirty affects the adhesive force of printer model and printing substrate, because model needs the bottom surface being attached to printing substrate, model in print procedure is therefore usually caused to come off.
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, the cast material even intensity making to print, the demoulding get object space just, printing substrate is not easily made dirty, and the 3D printer based on DLP of the high film feed of the efficiency of stripping operation.
Technical solution of the present utility model is as follows: a kind of 3D printer based on DLP of film feed, comprises feeding device and print platform; Described feeding device 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;
Described print platform comprises the lifter plate and printing substrate that are rectangle, and the both sides of described lifter plate are connected by sliding fitting mechanism with the both sides of printing substrate; The upper surface of described printing substrate is provided with handle; Described lifter plate is provided with spacer pin; Described spacer pin comprises the sleeve be vertically fixed on lifter plate and the telescopic pin be enclosed within sleeve; Described sleeve lower end to be fixed on lifter plate in a perforation; Described sleeve upper end is provided with the hinged seat of axial limiting telescopic pin; Described hinged seat is hinged with a pressure handle; Described pressure handle connects telescopic pin by a connecting rod; One end of described connecting rod and the upper end thereof of telescopic pin, it is hinged that the lower end of the other end and pressure handle is positioned at rotating shaft place departing from pressure handle; The upper portion side wall of described telescopic pin is provided with radial flange; Stage clip is provided with between described radial flange and the upper end of sleeve; Described printing substrate be provided with the blind hole corresponding with telescopic pin head;
Described sliding fitting mechanism comprises the chute on the end face of described printing substrate both sides and is located at the slide rail that described lifter plate both sides and described chute match;
Described slide rail is be bolted on the channel-section steel on the end face of lifter plate both sides;
Described slide rail is provided with the rectangle bolt hole of length along the short transverse of channel-section steel;
Described printing substrate lower surface is provided with ground glass layer;
Described lifter plate is provided with the installing rack for being connected with the slide block of 3D printer lifting shaft;
Described hinged seat outer wall thread is connected with a nut.
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 3D printer based on DLP of the utility model film feed has saving printed material, the uniformity of effective raising printed material, the cast material even intensity making to print, the demoulding get object space just, printing substrate is not easily made dirty, and the advantage that the efficiency of stripping operation is high.Facilitate and effectively prevent touching while operation uses and stain printing substrate bottom surface and the problem that causes adhesive force to decline.
Accompanying drawing explanation
Fig. 1 is the structural representation of the 3D printer based on DLP of the utility model film feed.
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 3D printer based on DLP of the utility model film feed.
Fig. 5 is the film pressing device perspective view of the 3D printer based on DLP of the utility model film feed.
Fig. 6 is the film pressing device sectional structure schematic diagram of the 3D printer based on DLP of the utility model film feed.
Fig. 7 is the print platform perspective view of the 3D printer based on DLP of the utility model film feed.
Fig. 8 is the print platform sectional structure schematic diagram of the 3D printer based on DLP of the utility model film feed.
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;
7, lifter plate; 8, printing substrate; 9, slide rail; 10, handle; 11, spacer pin; 11.1, sleeve; 11.2, telescopic pin; 11.3, hinged seat; 11.4, pressure handle; 11.5, stage clip; 11.6, nut; 12, installing rack.
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 3-8, a kind of 3D printer based on DLP of film feed, comprises feeding device and print platform; Described feeding device 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;
Described print platform comprises the lifter plate 7 and printing substrate 8 that are rectangle, and the both sides of described lifter plate 7 are connected by sliding fitting mechanism with the both sides of printing substrate 8; The upper surface of described printing substrate 8 is provided with handle 10; Described lifter plate 7 is provided with spacer pin 11; Described spacer pin 11 comprises the sleeve 11.1 be vertically fixed on lifter plate 7 and the telescopic pin 11.2 be enclosed within sleeve 11.1; Described sleeve 11.1 lower end to be fixed on lifter plate 7 in a perforation; Described sleeve 11.1 upper end is provided with the hinged seat 11.3 of axial limiting telescopic pin 11.2; Described hinged seat 11.3 is hinged with a pressure handle 11.4; Described pressure handle 11.4 connects telescopic pin 11.2 by a connecting rod; One end of described connecting rod and the upper end thereof of telescopic pin 11.2, it is hinged that the lower end of the other end and pressure handle 11.4 is positioned at rotating shaft place departing from pressure handle 11.4; The upper portion side wall of described telescopic pin 11.2 is provided with radial flange; Stage clip 11.5 is provided with between the upper end of described radial flange and sleeve 11.1; Described printing substrate 8 be provided with the blind hole corresponding with telescopic pin 11.2 head;
Described sliding fitting mechanism comprises the chute on the end face of described printing substrate 8 both sides and is located at the slide rail 9 that described lifter plate 7 both sides and described chute match;
Described slide rail 9 is for being bolted on the channel-section steel on the end face of lifter plate 7 both sides;
Described slide rail 9 is provided with the rectangle bolt hole of length along the short transverse of channel-section steel;
Described printing substrate 8 lower surface is provided with ground glass layer;
Described lifter plate 7 is provided with the installing rack 12 for being connected with the slide block of 3D printer lifting shaft;
Described hinged seat 11.3 outer wall thread is connected with a nut 11.6.
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.
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.
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; 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 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.
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.
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.
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, during utility model works, 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 print platform 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. the 3D printer based on DLP of film feed, comprises feeding device and print platform; It is characterized in that: described feeding device 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);
Described print platform comprises the lifter plate (7) and printing substrate (8) that are rectangle, and the both sides of described lifter plate (7) are connected by sliding fitting mechanism with the both sides of printing substrate (8); The upper surface of described printing substrate (8) is provided with handle (10); Described lifter plate (7) is provided with spacer pin (11); Described spacer pin (11) comprises the sleeve (11.1) be vertically fixed on lifter plate (7) and the telescopic pin (11.2) be enclosed within sleeve (11.1); Described sleeve (11.1) lower end is fixed in the upper perforation of lifter plate (7); Described sleeve (11.1) upper end is provided with the hinged seat (11.3) of axial limiting telescopic pin (11.2); Described hinged seat (11.3) is hinged with a pressure handle (11.4); Described pressure handle (11.4) connects telescopic pin (11.2) by a connecting rod; The upper end thereof of one end of described connecting rod and telescopic pin (11.2), it is hinged that the lower end of the other end and pressure handle (11.4) is positioned at rotating shaft place departing from pressure handle (11.4); The upper portion side wall of described telescopic pin (11.2) is provided with radial flange; Stage clip (11.5) is provided with between the upper end of described radial flange and sleeve (11.1); Described printing substrate (8) be provided with the blind hole corresponding with telescopic pin (11.2) head;
Described sliding fitting mechanism comprises the chute on the end face of described printing substrate (8) both sides and is located at the slide rail (9) that described lifter plate (7) both sides and described chute match;
Described slide rail (9) is for being bolted on the channel-section steel on the end face of lifter plate (7) both sides;
Described slide rail (9) is provided with the rectangle bolt hole of length along the short transverse of channel-section steel;
Described printing substrate (8) lower surface is provided with ground glass layer;
Described lifter plate (7) is provided with the installing rack (12) for being connected with the slide block of 3D printer lifting shaft;
Described hinged seat (11.3) outer wall thread is connected with a nut (11.6).
2. the 3D printer based on DLP of film feed 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 3D printer based on DLP of film feed 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 3D printer based on DLP of film feed 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 3D printer based on DLP of film feed 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 3D printer based on DLP of film feed 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 3D printer based on DLP of film feed 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 3D printer based on DLP of film feed 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 3D printer based on DLP of film feed 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 3D printer based on DLP of film feed 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 |
|---|---|---|---|
| CN201520643908.4U CN204977472U (en) | 2015-08-25 | 2015-08-25 | 3D printer based on DLP of film feed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520643908.4U CN204977472U (en) | 2015-08-25 | 2015-08-25 | 3D printer based on DLP of film feed |
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| Publication Number | Publication Date |
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| CN204977472U true CN204977472U (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520643908.4U Expired - Fee Related CN204977472U (en) | 2015-08-25 | 2015-08-25 | 3D printer based on DLP of film feed |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105729812A (en) * | 2016-04-22 | 2016-07-06 | 珠海天威飞马打印耗材有限公司 | Three-dimensional printing device and forming method for three-dimensional object |
-
2015
- 2015-08-25 CN CN201520643908.4U patent/CN204977472U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105729812A (en) * | 2016-04-22 | 2016-07-06 | 珠海天威飞马打印耗材有限公司 | Three-dimensional printing device and forming method for three-dimensional object |
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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: 3D printer based on DLP of film feed Granted publication date: 20160120 License type: Exclusive License Record date: 20180704 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20190825 |
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| CF01 | Termination of patent right due to non-payment of annual fee |