CN211868647U - Nozzle structure of 3D printer - Google Patents
Nozzle structure of 3D printer Download PDFInfo
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- CN211868647U CN211868647U CN201922431580.0U CN201922431580U CN211868647U CN 211868647 U CN211868647 U CN 211868647U CN 201922431580 U CN201922431580 U CN 201922431580U CN 211868647 U CN211868647 U CN 211868647U
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Abstract
The utility model relates to a nozzle structure of 3D printer, concretely relates to 3D prints technical field, including the inlet pipe, the inlet pipe bottom is provided with the connecting plate, the connecting plate bottom is provided with the spray tube, the fixed shower nozzle that is provided with in spray tube bottom, the connecting plate middle part is run through and is provided with the perforation, the perforation inside is provided with prevents blockking up the mechanism. The utility model discloses a be provided with and prevent blockking up mechanism, the material is when entering into the spray tube from the inlet pipe, can pass through the rotating tube, because the inside a plurality of spiral leaves that are provided with of rotating tube, when the material passes through the rotating tube, can promote the spiral leaf and rotate, and the drive through the spiral leaf, the rotating tube can rotate thereupon, the rotation of rotating tube can drive the scraper blade of bottom and rotate inside the spray tube, thereby scrape away the material that bonds on the spray tube inner wall, the material adhesion has effectively been avoided on the inner wall of spray tube, thereby cause the inside jam of spray tube, the action of material inside the taking place to block up at the shower nozzle has effectively been avoided.
Description
Technical Field
The utility model relates to a 3D prints technical field, more specifically says, the utility model relates to a nozzle structure of 3D printer.
Background
Three-dimensional Printer (3D Printer, abbreviated as 3 DP) is a process of Rapid Prototyping (RP), and a three-dimensional model is manufactured layer by layer in a layer-by-layer stacking manner, and the operation process is similar to that of a conventional Printer, except that the conventional Printer prints ink on paper to form a two-dimensional plane drawing, and the three-dimensional Printer stacks and superimposes liquid photosensitive resin materials, molten plastic wires, gypsum powder and other materials layer by layer to form a three-dimensional entity by jetting a binder or extruding and the like.
However, in actual use, since the raw material used in the 3D printer generally has a high viscosity during operation of most nozzles, the inner wall of the nozzle of the head is easily adhered by the raw material after a long time use, and the nozzle is clogged.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a nozzle structure of 3D printer, through being provided with anti-clogging mechanism, the material is when entering into the spray tube from the inlet pipe, can pass through the rotating tube, because the inside a plurality of spiral leaves that are provided with of rotating tube, when the material passes through the rotating tube, can promote the spiral leaf and rotate, and the drive through the spiral leaf, the rotating tube can rotate thereupon, the rotation of rotating tube can drive the scraper blade of bottom at the inside rotation of spray tube, thereby scrape away the material that bonds on the spray tube inner wall, effectively avoided the material adhesion on the inner wall of spray tube, thereby cause the inside jam of spray tube, effectively avoided the material to take place the action of jam in the shower nozzle inside, in order to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a nozzle structure of a 3D printer comprises a feeding pipe, wherein a connecting plate is arranged at the bottom of the feeding pipe, a spray pipe is arranged at the bottom of the connecting plate, a spray head is fixedly arranged at the bottom of the spray pipe, a through hole penetrates through the middle of the connecting plate, and an anti-blocking mechanism is arranged inside the through hole;
prevent blockking up mechanism includes the rotating tube, the rotating tube sets up inside perforating, pass through bearing swing joint between rotating tube and the perforation, the inlet pipe bottom is provided with the spread groove, rotating tube and spread groove phase-match, the inside a plurality of spiral leaves that evenly are provided with of rotating tube, the rotating tube bottom is provided with a plurality of scrapers, the scraper blade is laminated with the spray tube inner wall mutually, the rotating tube inner wall is provided with thermal-insulated coating.
In a preferred embodiment, a sealing mechanism is arranged between the top of the rotating pipe and the connecting groove, the sealing mechanism comprises a sealing ring, the sealing ring is arranged between the rotating pipe and the connecting groove, the sealing ring is movably connected with the connecting groove through a bearing, and the top of the rotating pipe is movably sleeved inside the sealing ring through the bearing.
In a preferred embodiment, the top of the sealing ring is provided with a first annular groove, one side of the connecting groove facing the first annular groove is provided with a second annular groove, a sealing ring is arranged between the first annular groove and the second annular groove, the top of the sealing ring is provided with a first annular ring, and the bottom of the sealing ring is provided with a second annular ring.
In a preferred embodiment, the first annular groove is matched to the first annular ring and the second arcuate groove is matched to the second annular ring.
In a preferred embodiment, the sealing ring, the first annular ring and the second arcuate ring are all made of a rubber material.
In a preferred embodiment, the bottom of the inner cavity of the spray pipe is provided with a heating block, and the outer side of the spray pipe is provided with a heater.
In a preferred embodiment, the top of the connecting plate is provided with a first connecting pipe, the feeding pipe is in threaded connection with the first connecting pipe, the bottom of the connecting plate is provided with a second connecting pipe, and the spray pipe is in threaded connection with the second connecting pipe.
The utility model discloses a technological effect and advantage:
1. through the anti-blocking mechanism, when a material enters the spray pipe from the feed pipe, the material can pass through the rotating pipe, the plurality of spiral blades are arranged inside the rotating pipe, when the material passes through the rotating pipe, the spiral blades can be pushed to rotate, the rotating pipe can rotate along with the spiral blades through the driving of the spiral blades, the rotating pipe can drive the scraping plate at the bottom to rotate inside the spray pipe, so that the material adhered to the inner wall of the spray pipe is scraped, the material is effectively prevented from being adhered to the inner wall of the spray pipe, the blockage inside of the spray pipe is caused, the heat-insulating coating is arranged inside the rotating pipe, the heat-conducting efficiency of the rotating pipe is effectively reduced, the temperature inside the spray pipe cannot be transmitted into the feed pipe, the material starts to melt in the feed pipe, and the quality problem of a finished product is caused, compared with the prior art, the blocking behavior of the material;
2. through being provided with sealing mechanism, through the sealing washer between inlet pipe and the rotating tube, can effectively improve the leakproofness between inlet pipe and the rotating tube, and the first annular ring and the second annular ring at sealing washer top match in first ring channel and second ring channel respectively to can improve the area of contact between sealing washer and inlet pipe and the sealing ring, thereby further strengthen the sealing performance between inlet pipe and the rotating tube.
Drawings
Fig. 1 is a cross-sectional view of the overall structure of the present invention.
Fig. 2 is a schematic view of a partial structure at a in fig. 1 according to the present invention.
Fig. 3 is a top view of the rotating tube structure of the present invention.
Fig. 4 is a schematic structural diagram of the sealing ring of the present invention.
The reference signs are: the device comprises a feeding pipe 1, a connecting plate 2, a spray pipe 3, a spray head 4, a perforation 5, a rotating pipe 6, a connecting groove 7, a spiral blade 8, a scraping plate 9, a heat insulation coating 10, a sealing ring 11, a first annular groove 12, a second annular groove 13, a sealing ring 14, a first annular ring 15, a second annular ring 16, a heating block 17, a heater 18, a first connecting pipe 19 and a second connecting pipe 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The nozzle structure of the 3D printer shown in the attached drawings 1-3 comprises a feeding pipe 1, wherein a connecting plate 2 is arranged at the bottom of the feeding pipe 1, a spray pipe 3 is arranged at the bottom of the connecting plate 2, a spray head 4 is fixedly arranged at the bottom of the spray pipe 3, a through hole 5 penetrates through the middle of the connecting plate 2, and an anti-blocking mechanism is arranged inside the through hole 5;
prevent blockking up mechanism includes rotating tube 6, rotating tube 6 sets up inside perforation 5, through bearing swing joint between rotating tube 6 and the perforation 5, 1 bottom of inlet pipe is provided with spread groove 7, rotating tube 6 and the 7 phase-matches of spread groove, 6 inside evenly being provided with a plurality of spiral leaves 8 of rotating tube, 6 bottoms of rotating tube are provided with a plurality of scraper blades 9, scraper blade 9 laminates with 3 inner walls of spray tube mutually, 6 inner walls of rotating tube are provided with thermal barrier coating 10.
The implementation mode is specifically as follows: when the utility model is used, after the equipment is assembled, the material is conveyed to the spray pipe 3 through the inlet pipe 1, the heater 18 heats the heating block 17, after the material enters the spray pipe 3, the material is heated by the heating block 17 and is output through the spray head 4 after melting, and when the material enters the spray pipe 3 from the inlet pipe 1, the material passes through the rotating pipe 6, because the plurality of spiral blades 8 are arranged inside the rotating pipe 6, when the material passes through the rotating pipe 6, the spiral blades 8 are pushed to rotate, and the rotating pipe 6 rotates along with the material through the driving of the spiral blades 8, the rotating pipe 6 rotates to drive the scraper blade 9 at the bottom to rotate inside the spray pipe 3, thereby scraping the material bonded on the inner wall of the spray pipe 3, effectively avoiding the material from being adhered on the inner wall of the spray pipe 3, thereby causing the blockage inside the spray pipe 3, and the heat insulation coating 10 is arranged inside the rotating pipe 6, the heat conduction efficiency of the rotating pipe 6 is effectively reduced, so that the temperature inside the spray pipe 3 can not be transferred to the feeding pipe 1, the material begins to melt in the feeding pipe 1, and the quality problem of finished products is caused.
The nozzle structure of the 3D printer shown in the attached drawings 1 and 4 further comprises a sealing mechanism, the sealing mechanism is arranged between the top of the rotating pipe 6 and the connecting groove 7 and comprises a sealing ring 11, the sealing ring 11 is arranged between the rotating pipe 6 and the connecting groove 7, the sealing ring 11 is movably connected with the connecting groove 7 through a bearing, and the top of the rotating pipe 6 is movably sleeved inside the sealing ring 11 through the bearing.
The sealing ring 11 top is provided with first ring channel 12, the one side of spread groove 7 towards first ring channel 12 is provided with second ring channel 13, be provided with sealing washer 14 between first ring channel 12 and the second ring channel 13, sealing washer 14 top is provided with first ring circle 15, sealing washer 14 bottom is provided with second ring circle 16.
The first annular groove 12 is matched with a first annular ring 15, and the second arc-shaped groove is matched with a second annular ring 16.
The sealing ring 14, the first annular ring 15 and the second arc-shaped ring are all made of rubber materials.
The bottom of the inner cavity of the spray pipe 3 is provided with a heating block 17, and the outer side of the spray pipe 3 is provided with a heater 18.
2 tops of connecting plate are provided with first connecting pipe 19, inlet pipe 1 and 19 threaded connection of first connecting pipe, 2 bottoms of connecting plate are provided with second connecting pipe 20, spray tube 3 and 20 threaded connection of second connecting pipe.
The implementation mode is specifically as follows: the utility model discloses when using, when the material enters into through inlet pipe 1 and rotates g intraduct when, through inlet pipe 1 and the sealing washer 14 between the rotating tube 6, can effectively improve the leakproofness between inlet pipe 1 and the rotating tube 6, and the first ring 15 and the second ring 16 at sealing washer 14 top, respectively in first ring channel 12 and 13 phase-matches of second ring channel, thereby can improve the area of contact between sealing washer 14 and inlet pipe 1 and the sealing ring 11, thereby further strengthen the sealing performance between inlet pipe 1 and the rotating tube 6.
The utility model discloses the theory of operation:
referring to the attached drawings 1-3 of the specification, when the utility model is used, after the equipment is assembled, the spray pipe 3 is conveyed with materials through the feed pipe 1, the heating block 17 is heated by the heater 18, after the materials enter the spray pipe 3, the materials are melted and then output through the spray head 4, when the materials enter the spray pipe 3 from the feed pipe 1, the materials pass through the rotating pipe 6, because the rotating pipe 6 is internally provided with a plurality of spiral blades 8, when the materials pass through the rotating pipe 6, the spiral blades 8 are pushed to rotate, and the rotating pipe 6 rotates along with the materials under the drive of the spiral blades 8, the rotation of the rotating pipe 6 can drive the scraping plate 9 at the bottom to rotate inside the spray pipe 3, thereby scraping the materials adhered on the inner wall of the spray pipe 3, effectively avoiding the materials from adhering on the inner wall of the spray pipe 3, thereby causing the blockage inside the spray pipe 3, and the rotating pipe 6 is internally provided with the thermal insulation coating 10, the heat conduction efficiency of the rotating pipe 6 is effectively reduced, so that the temperature in the spray pipe 3 is not transferred into the feeding pipe 1, and the material begins to melt in the feeding pipe 1, thereby causing the quality problem of finished products;
referring to the attached drawings 1 and 4 of the specification, in use, when a material enters the rotating pipe g through the feeding pipe 1, the sealing performance between the feeding pipe 1 and the rotating pipe 6 can be effectively improved through the sealing ring 14 between the feeding pipe 1 and the rotating pipe 6, and the first annular ring 15 and the second annular ring 16 at the top of the sealing ring 14 are respectively matched with the first annular groove 12 and the second annular groove 13, so that the contact area between the sealing ring 14 and the feeding pipe 1 and the sealing ring 11 can be improved.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. The utility model provides a nozzle structure of 3D printer, includes inlet pipe (1), its characterized in that: the bottom of the feeding pipe (1) is provided with a connecting plate (2), the bottom of the connecting plate (2) is provided with a spray pipe (3), the bottom of the spray pipe (3) is fixedly provided with a spray head (4), the middle part of the connecting plate (2) is provided with a through hole (5) in a penetrating manner, and an anti-blocking mechanism is arranged inside the through hole (5);
prevent blockking up mechanism includes rotating tube (6), rotating tube (6) set up inside perforation (5), through bearing swing joint between rotating tube (6) and perforation (5), inlet pipe (1) bottom is provided with spread groove (7), rotating tube (6) and spread groove (7) phase-match, rotating tube (6) inside evenly is provided with a plurality of spiral leaves (8), rotating tube (6) bottom is provided with a plurality of scraper blades (9), scraper blade (9) laminate mutually with spray tube (3) inner wall, rotating tube (6) inner wall is provided with thermal-insulated coating (10).
2. The nozzle structure of a 3D printer according to claim 1, wherein: be provided with sealing mechanism between rotating tube (6) top and spread groove (7), sealing mechanism includes sealing ring (11), sealing ring (11) set up between rotating tube (6) and spread groove (7), through bearing swing joint between sealing ring (11) and spread groove (7), rotating tube (6) top is established inside sealing ring (11) through the bearing activity cover.
3. The nozzle structure of a 3D printer according to claim 2, wherein: sealing ring (11) top is provided with first ring channel (12), one side of spread groove (7) towards first ring channel (12) is provided with second ring channel (13), be provided with between first ring channel (12) and second ring channel (13) sealing washer (14), sealing washer (14) top is provided with first ring (15), sealing washer (14) bottom is provided with second ring (16).
4. A nozzle structure of a 3D printer according to claim 3, characterized in that: the first annular groove (12) is matched with the first annular ring (15), and the second annular groove (13) is matched with the second annular ring (16).
5. A nozzle structure of a 3D printer according to claim 3, characterized in that: the sealing ring (14), the first annular ring (15) and the second arc-shaped ring are all made of rubber materials.
6. The nozzle structure of a 3D printer according to claim 1, wherein: the heating device is characterized in that a heating block (17) is arranged at the bottom of an inner cavity of the spray pipe (3), and a heater (18) is arranged on the outer side of the spray pipe (3).
7. The nozzle structure of a 3D printer according to claim 1, wherein: connecting plate (2) top is provided with first connecting pipe (19), inlet pipe (1) and first connecting pipe (19) threaded connection, connecting plate (2) bottom is provided with second connecting pipe (20), spray tube (3) and second connecting pipe (20) threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922431580.0U CN211868647U (en) | 2019-12-30 | 2019-12-30 | Nozzle structure of 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922431580.0U CN211868647U (en) | 2019-12-30 | 2019-12-30 | Nozzle structure of 3D printer |
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| Publication Number | Publication Date |
|---|---|
| CN211868647U true CN211868647U (en) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922431580.0U Active CN211868647U (en) | 2019-12-30 | 2019-12-30 | Nozzle structure of 3D printer |
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| Country | Link |
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| CN (1) | CN211868647U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114179364A (en) * | 2022-02-17 | 2022-03-15 | 河北睿科医疗器械有限公司 | Device for 3D printing invisible appliance |
-
2019
- 2019-12-30 CN CN201922431580.0U patent/CN211868647U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114179364A (en) * | 2022-02-17 | 2022-03-15 | 河北睿科医疗器械有限公司 | Device for 3D printing invisible appliance |
| CN114179364B (en) * | 2022-02-17 | 2022-04-26 | 河北睿科医疗器械有限公司 | Device for 3D printing invisible appliance |
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