CN215512291U - 3D printer without feeding device - Google Patents
3D printer without feeding device Download PDFInfo
- Publication number
- CN215512291U CN215512291U CN202121872480.2U CN202121872480U CN215512291U CN 215512291 U CN215512291 U CN 215512291U CN 202121872480 U CN202121872480 U CN 202121872480U CN 215512291 U CN215512291 U CN 215512291U
- Authority
- CN
- China
- Prior art keywords
- scraper
- fixedly connected
- groove
- guide
- printer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model provides a 3D printer without a feeding device, which belongs to the technical field of 3D printers and comprises a printing platform, wherein an X-axis transmission mechanism is installed at the top of the printing platform, a scraper fixing back plate is fixedly installed on the X-axis transmission mechanism, a scraper lifting back plate is fixedly connected to the front side of the scraper fixing back plate, two linear guide rail sliding blocks which are symmetrical up and down are fixedly connected to the front side of the scraper lifting back plate, a linear guide rail is movably connected to the front sides of the two linear guide rail sliding blocks, and a scraper lifting plate is fixedly connected to the front sides of the linear guide rails. The utility model solves the problems of large volume, low printing efficiency, high cost and incapability of large-scale popularization, realizes the 3D printer without a feeding device by the automatic lifting of the first scraping strip and the second scraping strip, has bidirectional powder spreading continuous work, simple structure, high printing efficiency, economy and practicality, and is provided for customers who print in small batches.
Description
The technical field is as follows:
the utility model belongs to the technical field of 3D printers, and particularly relates to a 3D printer without a feeding device.
Background art:
3D printing (also known as additive manufacturing, additive manufacturing) is a technology for constructing an object by layer-by-layer printing using an adhesive material such as powdered metal or plastic based on a digital model file. The SLM is one of the metal part 3D printing technologies with great development prospect.
The SLM 3D printing method comprises the steps of firstly designing a three-dimensional solid model of a part on a computer by utilizing three-dimensional modeling software such as pro/e, UG and CATIA, then slicing and layering the three-dimensional model through slicing software to obtain profile data of each section, generating filling scanning paths by the profile data, and controlling laser beams to selectively melt metal powder materials of each layer according to the filling scanning lines by equipment to gradually stack the metal powder materials into the three-dimensional metal part. Before the laser beam starts scanning, the powder spreading device firstly pushes metal powder to a substrate of a forming cylinder, the laser beam selectively melts the powder on the substrate according to the filling contour line of the current layer to process the current layer, then the forming cylinder descends by a layer thickness distance, the powder cylinder ascends by a certain thickness distance, and the powder spreading device spreads the metal powder on the processed current layer. And (5) calling the data of the profile of the next layer by the equipment for processing, and processing layer by layer until the whole part is processed. The most common powder paving mode in the market at present is that a lower powder feeding single scraper is used for one-way powder paving, the time is wasted during the return stroke of the scraper, and the printing speed is slow; the powder is spread in two-way to two scrapers of last powder feeding in addition, can realize two-way shop's powder, improves printing efficiency, but the depth of parallelism requirement of the relative platform of scraper is high, the complete unanimity that two scrapers are difficult to transfer.
The powder feeding device is needed for feeding powder once for each layer or each two layers of printing, so that 3D printing equipment is large in size, low in printing efficiency and high in cost, 3D printing is always used in middle and high-end manufacturing industry and cannot be popularized in a large amount, and the 3D printer without the feeding device is provided.
The utility model has the following contents:
the utility model provides a 3D printer without a feeding device, and aims to solve the problems of large size, low printing efficiency, high cost and incapability of being popularized in a large scale.
The utility model provides a 3D printer without a feeding device, which comprises a printing platform, wherein an X-axis transmission mechanism is installed at the top of the printing platform, a scraper fixing back plate is fixedly installed on the X-axis transmission mechanism, a scraper lifting back plate is fixedly connected to the front side of the scraper fixing back plate, two linear guide rail sliders which are symmetrical up and down are fixedly connected to the front side of the scraper lifting back plate, linear guide rails are movably connected to the front sides of the two linear guide rail sliders, a scraper lifting plate is fixedly connected to the front sides of the linear guide rails, a stepping motor is fixedly connected to the top of the rear side of the scraper lifting plate, a lead screw is fixedly connected to the output end of the stepping motor, a scraper floating mechanism is installed at the front side of the scraper lifting plate, a bottom table is fixedly connected to the bottom of the printing platform, and a forming substrate is slidably connected to the inner side of the bottom table, the powder is placed at the top of the printing platform, and the bottom of the forming substrate is fixedly connected with a telescopic cylinder.
Further, scraper relocation mechanism includes that the first strip, the second of scraping scrapes strip, spring, guide pin bushing, guide post, scraper keysets, proximity switch, the rear side of scraper keysets and the front side fixed connection of scraper lifter plate, the inboard sliding connection of guide post and scraper keysets, the inboard fixed connection of guide pin bushing and scraper keysets, the spring cup joints in the outside of guide post, the bottom fixed connection of strip and guide post is scraped to the second, the left side fixed connection of strip is scraped to the first strip of scraping and second, proximity switch and the outside fixed connection of scraper keysets.
By adopting the technical scheme, the scraper floating mechanism can be used for driving the powder to move on the upper surface of the printing platform so as to finish powder laying on the upper surface of the forming substrate.
Furthermore, a spring groove is formed in the bottom of the scraper adapter plate, the spring is located in the spring groove, the top of the spring is fixedly connected with the scraper adapter plate, the bottom of the spring is fixedly connected with the top of the second scraping strip, and the proximity switch is of the type LJ12A 3-4-Z.
By adopting the technical scheme, the first scraping strip is in a vertically floating state relative to the scraper adapter plate, the elastic force of the spring is utilized, the lower surface of the first scraping strip is tangent to the upper working surface of the printing platform, powder spreading and powder material moving left and right along with the automatic lifting scraper device are realized, the proximity switch senses that the printing platform stops descending, and the first scraping strip is stopped at a proper position.
Furthermore, a guide sleeve groove matched with the guide sleeve is formed in the inner side of the scraper adapter plate, the guide sleeve is located in the guide sleeve groove, the inner side of the guide sleeve is connected with the outer side of the guide column in a sliding mode, and the second scraping strip is fixedly connected with the bottom of the guide column through a fixing bolt.
Through adopting above-mentioned technical scheme, guide post and guide pin bushing guarantee the direction of the vertical direction that floats from top to bottom of first scraping strip.
Further, X axle drive mechanism is synchronous belt drive mechanism, the rear side fixedly connected with auxiliary sliding block of the fixed backplate of scraper, X axle drive mechanism's front side fixedly connected with auxiliary guide rail, auxiliary sliding block and auxiliary guide rail sliding connection, the fixed backplate of scraper and X axle drive mechanism's synchronous belt fixed connection, servo motor is adopted to X axle drive mechanism's power supply.
Through adopting above-mentioned technical scheme, utilize X axle drive mechanism to drive the removal of first strip of scraping and then make first strip of scraping move at print platform's upper surface, drive the powder and at the repeated shop powder of the upper surface of shaping base plate to supplementary guide rail and supplementary sliding connection guarantee that X axle drive mechanism drives the stability that scraper relocation mechanism removed.
Further, the lead screw is in threaded connection with the scraper lifting back plate, a lead screw groove matched with the lead screw is formed in the inner side of the scraper lifting back plate, a through groove matched with the forming substrate is formed in the inner side of the base platform, and the bottom of the telescopic cylinder is fixedly connected with a supporting plate which is located in the through groove and fixedly connected with the base platform.
Through adopting above-mentioned technical scheme, utilize step motor's start-up to drive the rotation of lead screw and then can drive the oscilaltion of scraper lifter plate to make first scraping strip keep away from and be close to the powder and carry out the conversion of direction, utilize telescopic cylinder to drive the decline and the rising of shaping base plate, accomplish the multilayer and spread the powder.
Furthermore, a groove is formed in the top of the printing platform, the powder is located in the groove, the bottom of the first scraping strip extends into the groove and is in contact with the upper surface of the printing platform, and the longitudinal length of the first scraping strip is the same as that of the groove.
Through adopting above-mentioned technical scheme, the powder is arranged in the recess and prevents that the powder from scattering to the outside from print platform, influence printing, and the removal completion of the first strip of scraping that can be abundant with print platform's upper surface contact drive powder spreads the powder.
Compared with the prior art, the technical scheme of the utility model has the following beneficial technical effects:
according to the utility model, through the cooperation of the X-axis transmission mechanism, the scraper floating mechanism, the stepping motor, the lead screw, the linear guide rail and the like, the X-axis transmission mechanism drives the scraper floating mechanism to move left and right to carry out multilayer powder paving, the stepping motor is started to drive the lead screw to rotate so as to drive the scraper lifting plate to lift up and down to enable the first scraping strip to be far away from and close to powder to carry out direction conversion, the 3D printer without a feeding device is realized through the automatic lifting of the first scraping strip and the second scraping strip, the bidirectional powder paving continuous work is realized, the structure is simple, the printing efficiency is high, and the printing machine is economical and practical and is provided for small-batch printing customers.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and drawings.
Description of the drawings:
the accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic view of the state structure of the present invention 1;
FIG. 2 is a schematic view of the state structure of the present invention 2;
FIG. 3 is a schematic view of the state structure of the present invention 3;
FIG. 4 is a schematic view of the state structure of the present invention 4;
FIG. 5 is a schematic view of the state structure of the present invention 5;
FIG. 6 is a schematic side view of the doctor blade mounting plate of the present invention;
fig. 7 is a schematic structural diagram of the floating mechanism of the scraper of the utility model.
Reference numerals: 1. molding a substrate; 2. a printing platform; 3. an X-axis transmission mechanism; 4. a scraper floating mechanism; 5. powder material; 6. a telescopic cylinder; 7. a first wiper strip; 8. a second wiper strip; 9. a base table; 10. a spring; 11. a guide sleeve; 12. a guide post; 13. a scraper adapter plate; 14. a proximity switch; 15. a scraper lifting plate; 16. a linear guide slider; 17. the scraper is used for fixing the back plate; 18. the scraper lifts the back plate; 19. a linear guide rail; 20. a stepping motor; 21. and a screw rod.
The specific implementation mode is as follows:
in order to make the objects, technical solutions and advantages of the technical solutions of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the specific embodiments of the present invention. Like reference symbols in the various drawings indicate like elements. It should be noted that the described embodiments are only some embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the utility model without any inventive step, are within the scope of protection of the utility model.
As shown in fig. 1-7, the utility model provides a 3D printer without a feeding device, which comprises a printing platform 2, an X-axis transmission mechanism 3 is installed on the top of the printing platform 2, a scraper fixing back plate 17 is fixedly installed on the X-axis transmission mechanism 3, a scraper lifting back plate 18 is fixedly connected on the front side of the scraper fixing back plate 17, two linear guide rail sliders 16 which are symmetrical up and down are fixedly connected on the front side of the scraper lifting back plate 18, a linear guide rail 19 is movably connected on the front sides of the two linear guide rail sliders 16, a scraper lifting plate 15 is fixedly connected on the front side of the linear guide rail 19, a stepping motor 20 is fixedly connected on the top of the rear side of the scraper lifting plate 15, a lead screw 21 is fixedly connected on the output end of the stepping motor 20, a scraper floating mechanism 4 is installed on the front side of the scraper lifting plate 15, a bottom table 9 is fixedly connected on the bottom table 2, a forming substrate 1 is slidably connected on the inner side of the bottom table 9, the top of the printing platform 2 is provided with powder 5, and the bottom of the molding substrate 1 is fixedly connected with a telescopic cylinder 6;
as shown in fig. 1 to 7, the scraper floating mechanism 4 includes a first scraper 7, a second scraper 8, a spring 10, a guide sleeve 11, a guide post 12, a scraper adapter plate 13, and a proximity switch 14, a rear side of the scraper adapter plate 13 is fixedly connected with a front side of a scraper lifting plate 15, the guide post 12 is slidably connected with an inner side of the scraper adapter plate 13, the guide sleeve 11 is fixedly connected with an inner side of the scraper adapter plate 13, the spring 10 is sleeved on an outer side of the guide post 12, the second scraper 8 is fixedly connected with a bottom of the guide post 12, the first scraper 7 is fixedly connected with a left side of the second scraper 8, the proximity switch 14 is fixedly connected with an outer side of the scraper adapter plate 13, and the scraper floating mechanism 4 can drive the powder 5 to move on an upper surface of the printing platform 2 to complete powder laying on the upper surface of the molding substrate 1;
as shown in fig. 6-7, a spring groove is formed at the bottom of the scraper adapter plate 13, the spring 10 is located in the spring groove, the top of the spring 10 is fixedly connected with the scraper adapter plate 13, the bottom of the spring 10 is fixedly connected with the top of the second scraping bar 8, the model of the proximity switch 14 is LJ12a3-4-Z, the first scraping bar 7 is in a vertically floating state relative to the scraper adapter plate 13, the lower surface of the first scraping bar 7 is tangent to the working upper surface of the printing platform 2 by using the elastic force of the spring 10, so that the powder spreading and powder material 5 moves left and right along with the automatic lifting scraper device, the proximity switch 14 senses that the printing platform 2 stops descending, the first scraping bar 7 stops at a proper position, a guide sleeve groove matched with the guide sleeve 11 is formed at the inner side of the scraper adapter plate 13, the guide sleeve 11 is located in the guide sleeve groove, and the inner side of the guide sleeve 11 is slidably connected with the outer side of the guide column 12, the second scraping strip 8 is fixedly connected with the bottom of a guide post 12 through a fixing bolt, and the guide post 12 and a guide sleeve 11 ensure the vertical direction of the up-and-down floating of the first scraping strip 7;
as shown in fig. 1-6, the X-axis transmission mechanism 3 is a synchronous belt transmission mechanism, an auxiliary slider is fixedly connected to the rear side of the scraper fixing back plate 17, an auxiliary guide rail is fixedly connected to the front side of the X-axis transmission mechanism 3, the auxiliary slider is slidably connected to the auxiliary guide rail, the scraper fixing back plate 17 is fixedly connected to the synchronous belt of the X-axis transmission mechanism 3, a servo motor is used as a power source of the X-axis transmission mechanism 3, the X-axis transmission mechanism 3 is used to drive the first scraping strip 7 to move, so that the first scraping strip 7 moves on the upper surface of the printing platform 2, the powder 5 is driven to repeatedly spread on the upper surface of the molding substrate 1, and the auxiliary guide rail and the auxiliary sliding connection ensure that the X-axis transmission mechanism 3 drives the scraper floating mechanism 4 to move stably;
as shown in fig. 1-6, a screw rod 21 is in threaded connection with a scraper lifting back plate 18, a screw rod groove matched with the screw rod 21 is formed in the inner side of the scraper lifting back plate 18, a through groove matched with the molding substrate 1 is formed in the inner side of a bottom table 9, a supporting plate which is positioned in the through groove and fixedly connected with the bottom table 9 is fixedly connected to the bottom of a telescopic cylinder 6, the screw rod 21 is driven to rotate by starting of a stepping motor 20, so that the scraper lifting plate 15 can be driven to lift up and down to enable a first scraping strip 7 to be far away from and close to a powder material 5 for direction conversion, and the telescopic cylinder 6 is used for driving the molding substrate 1 to descend and ascend to complete multilayer powder paving;
as shown in fig. 1 to 5, a groove is formed in the top of the printing platform 2, the powder 5 is located in the groove, the bottom of the first scraping strip 7 extends into the groove and contacts with the upper surface of the printing platform 2, the first scraping strip 7 has the same longitudinal length as the groove, the powder 5 is located in the groove to prevent the powder 5 from scattering outside from the printing platform 2, so that printing is affected, and the powder 5 can be sufficiently driven to move by the contact of the first scraping strip 7 and the upper surface of the printing platform 2 to finish powder spreading.
The implementation mode is specifically as follows: as shown in fig. 1, the scraper floating mechanism 4 is in a printing powder spreading equipment state, the first scraping strip 7 is tangent to the upper surface of the printing platform 2, enough powder 5 for one-time printing is placed on the left side of the scraper floating mechanism 4, the forming substrate 1 is driven by the telescopic cylinder 6 to descend by a layer of height, so that a certain height difference is formed between the upper surface of the forming substrate 1 and the printing platform 2, the synchronous belt of the X-axis transmission mechanism 3 drives the scraper fixing back plate 17, the scraper lifting back plate 18 and the screw rod 21 to further drive the scraper floating mechanism 4 to translate leftwards, the powder 5 fills the height difference, and one-time powder spreading is completed, and the state is shown in fig. 2;
the powder 5 is on the left side of the first scraping bar 7, the output end of the stepping motor 20 drives the screw rod 21 to rotate, the screw rod 21 rotates to drive the stepping motor 20, the scraper lifting plate 15, the scraper floating mechanism 4 and the first scraping bar 7 to vertically rise for a certain height under the assistance of the linear guide rail slider 16 and the linear guide rail 19, the X-axis transmission mechanism 3 drives the scraper floating mechanism 4 to continuously translate for a certain distance to the left and cross the powder 5, as shown in FIG. 3, the stepping motor 20 drives the stepping motor 20, the scraper lifting plate 15, the scraper floating mechanism 4 and the first scraping bar 7 to vertically descend, when the proximity switch 14 senses the printing platform 2, the first scraping bar 7 stops descending, at the moment, the first scraping bar 7 is tangent to the printing platform 2, the powder 5 is located on the right side of the first scraping bar 7 to complete the reversing of the first scraping bar 7, as shown in FIG. 4, the laser carries out the 1 st layer printing work, and the laser completes the first layer printing, the forming substrate 1 descends by one layer height again, a certain height difference is formed between the upper surface of the forming substrate 1 and the printing platform 2, the X-axis transmission mechanism 3 drives the scraper floating mechanism 4 to translate rightwards, the height difference is filled with powder 5, the powder spreading for the second time is completed, the powder spreading is completed in the rear state as shown in figure 5, the laser carries out the printing work of the layer 2, meanwhile, the scraper floating mechanism 4 carries out the reversing for the second time, the X-axis transmission mechanism 3 drives the scraper floating mechanism 4 to move leftwards again, and the processes are circulated.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a no material feeding unit's 3D printer, includes print platform (2), its characterized in that, X axle drive mechanism (3) are installed at the top of print platform (2), fixed mounting has scraper stationary backplate (17) on X axle drive mechanism (3), the front side fixedly connected with scraper lift backplate (18) of scraper stationary backplate (17), the front side fixedly connected with two linear guide slider (16) of upper and lower symmetry of scraper lift backplate (18), two the front side sliding connection of linear guide slider (16) has linear guide (19), the front side fixedly connected with scraper lifter plate (15) of linear guide (19), the rear side top fixedly connected with step motor (20) of scraper lifter plate (15), the output fixedly connected with lead screw (21) of step motor (20), scraper relocation mechanism (4) are installed to the front side of scraper lifter plate (15), bottom fixedly connected with base frame (9) of print platform (2), the inboard sliding connection of base frame (9) has forming substrate (1), powder (5) have been placed at the top of print platform (2), the bottom fixedly connected with telescopic cylinder (6) of forming substrate (1).
2. The feeder-less 3D printer of claim 1, wherein: scraper floating machanism (4) scrape strip (8), spring (10), guide pin bushing (11), guide post (12), scraper keysets (13), proximity switch (14) including first scraping strip (7), second, the rear side of scraper keysets (13) and the front side fixed connection of scraper lifter plate (15), the inboard sliding connection of guide post (12) and scraper keysets (13), the inboard fixed connection of guide pin bushing (11) and scraper keysets (13), spring (10) cup joint in the outside of guide post (12), the bottom fixed connection of strip (8) and guide post (12) is scraped to the second, the left side fixed connection of strip (8) is scraped to first scraping strip (7) and second, proximity switch (14) and the outside fixed connection of scraper keysets (13).
3. The feeder-less 3D printer of claim 2, wherein: the scraper structure is characterized in that a spring groove is formed in the bottom of the scraper adapter plate (13), the spring (10) is located in the spring groove, the top of the spring (10) is fixedly connected with the scraper adapter plate (13), the bottom of the spring (10) is fixedly connected with the top of the second scraping strip (8), and the proximity switch (14) is LJ12A3-4-Z in model number.
4. The feeder-less 3D printer of claim 2, wherein: the inner side of the scraper adapter plate (13) is provided with a guide sleeve groove matched with the guide sleeve (11), the guide sleeve (11) is located in the guide sleeve groove, the inner side of the guide sleeve (11) is connected with the outer side of the guide column (12) in a sliding mode, and the second scraping strip (8) is fixedly connected with the bottom of the guide column (12) through a fixing bolt.
5. The feeder-less 3D printer of claim 1, wherein: x axle drive mechanism (3) are synchronous belt drive mechanism, the rear side fixedly connected with auxiliary sliding block of scraper stationary backplate (17), the front side fixedly connected with auxiliary guide rail of X axle drive mechanism (3), auxiliary sliding block and auxiliary guide rail sliding connection, the synchronous belt fixed connection of scraper stationary backplate (17) and X axle drive mechanism (3), servo motor is adopted to the power supply of X axle drive mechanism (3).
6. The feeder-less 3D printer of claim 1, wherein: the lead screw (21) is in threaded connection with the scraper lifting back plate (18), a lead screw (21) groove matched with the lead screw (21) is formed in the inner side of the scraper lifting back plate (18), a through groove matched with the forming substrate (1) is formed in the inner side of the base platform (9), and the bottom of the telescopic cylinder (6) is fixedly connected with a supporting plate which is located in the through groove and fixedly connected with the base platform (9).
7. The feeder-less 3D printer of claim 2, wherein: the top of the printing platform (2) is provided with a groove, the powder (5) is located in the groove, the bottom of the first scraping strip (7) extends into the groove and is in contact with the upper surface of the printing platform (2), and the longitudinal length of the first scraping strip (7) is the same as that of the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121872480.2U CN215512291U (en) | 2021-08-11 | 2021-08-11 | 3D printer without feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121872480.2U CN215512291U (en) | 2021-08-11 | 2021-08-11 | 3D printer without feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215512291U true CN215512291U (en) | 2022-01-14 |
Family
ID=79790606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121872480.2U Active CN215512291U (en) | 2021-08-11 | 2021-08-11 | 3D printer without feeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215512291U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114570951A (en) * | 2022-03-21 | 2022-06-03 | 南京铖联激光科技有限公司 | 3D printer is with evenly spreading powder device |
-
2021
- 2021-08-11 CN CN202121872480.2U patent/CN215512291U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114570951A (en) * | 2022-03-21 | 2022-06-03 | 南京铖联激光科技有限公司 | 3D printer is with evenly spreading powder device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107599383B (en) | Laser selective melting/sintering binary powder laying system | |
| EP3895877B1 (en) | Three-dimensional printing equipment and scraper assembly therefor | |
| CN215512291U (en) | 3D printer without feeding device | |
| CN107159890A (en) | A kind of working cylinder and table top changing method of variable table top scope | |
| CN213257100U (en) | Powder paving device for 3D printing equipment | |
| CN202752161U (en) | Dispensing head moving mechanism of online dispenser | |
| CN108360303A (en) | Moulding of plant fibres hot-press molding method and the hot-forming mechanism of moulding of plant fibres | |
| CN201020932Y (en) | Transfer-printing machine with steel plate moving leftward and rightward | |
| CN209718634U (en) | 3D printing equipment and its scraper component | |
| CN104772461A (en) | Precise powder laying device of rapid laser powder forming machine | |
| CN205817401U (en) | Automatic tool changer carving machine | |
| CN113172239A (en) | Selective laser sintering forming device | |
| CN214605914U (en) | Powder supply mechanism used in selective laser sintering forming device | |
| CN111452363A (en) | 3D printer with misplacement tray | |
| CN204977476U (en) | Practice thrift photocuring 3D printer of printing material | |
| CN216634784U (en) | Ceramic blank rolling machine capable of effectively improving working efficiency | |
| CN116198121A (en) | Rotary powder paving equipment suitable for 3D printer | |
| CN212684733U (en) | Novel cantilever type 3D printer | |
| CN110732669B (en) | Supplementary lift platform that prints of vibration material disk | |
| CN204977468U (en) | 3d printer | |
| CN207494552U (en) | Metal 3D printing device | |
| CN218615457U (en) | On-line data pet clothing equipment | |
| CN201833597U (en) | Resin coating system of photosensitive solidifying and forming machine | |
| CN215512295U (en) | A shaping case mechanism for 3DP printing technique | |
| CN207205590U (en) | A kind of light guide plate laser process equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |