CN211710042U - Anti-warping high-temperature 3D printing spray head assembly - Google Patents
Anti-warping high-temperature 3D printing spray head assembly Download PDFInfo
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- CN211710042U CN211710042U CN201922424844.XU CN201922424844U CN211710042U CN 211710042 U CN211710042 U CN 211710042U CN 201922424844 U CN201922424844 U CN 201922424844U CN 211710042 U CN211710042 U CN 211710042U
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Abstract
The utility model discloses a proof warp crooked high temperature 3D printing shower nozzle subassembly, including supporting shoe, radiating block, support frame, nozzle, heating piece, heating element, bowl, heat dissipation original paper, choke, temperature sensor, heating pipe, supporting shoe, radiating block, choke, heating piece, nozzle top-down fixed connection in proper order, terminal fixed connection infrared radiant tube of support frame and bowl, the bowl is concentrated the radiant heating energy of infrared radiant tube at the nozzle and is extruded silk region. The utility model discloses a set up infrared radiant tube and bowl and extrude the regional real-time heat treatment that carries out of silk to the nozzle, extrude for high performance engineering plastics high temperature and provide a higher ambient temperature, reduce the thermal stress in the deposit filament yarn to reduce the warp deformation of shaping part, promote the quality that the part was printed to the high temperature.
Description
Technical Field
The utility model belongs to the technical field of the vibration material disk, concretely relates to proof warp high temperature 3D prints shower nozzle subassembly.
Background
The 3D printing technology is also called additive manufacturing technology, and is an emerging manufacturing technology for generating a solid by accumulating materials layer by layer based on a computer three-dimensional model. The method has the advantages of forming with space freedom degree, easily realizing personalized design and solving the problem of forming of a plurality of parts with complex structures. Fused Deposition Modeling (FDM) is widely used because of its advantages of simple equipment and low cost.
Existing fused deposition 3D printers are based primarily on low melting point thermoplastics such as PLA, ABS, etc. with a maximum heating melting temperature of about 260 ℃. The molding equipment for the high-performance engineering plastic is less, and even if the high-performance engineering plastic can be molded, the defects that a part is easy to warp and deform and the like are caused due to the crystallization performance of the high-performance engineering plastic and the cooling shrinkage in the molding process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art not enough, provide a proof warp high temperature 3D prints shower nozzle subassembly, can realize the warp deformation of printing shaping and effectual reduction finished piece of high performance engineering plastics.
The purpose of the utility model is realized through the following technical scheme:
a warping-prevention high-temperature 3D printing spray head assembly comprises a supporting block, a heat dissipation block, a supporting frame, a nozzle, a heating block, a heating element, a reflection cover, a heat dissipation element, a throat pipe, a temperature sensor and a heating pipe;
the support frame is arranged outside the whole spray head assembly, the interior of the support frame is fixedly connected with the support block, and the support block is used for connecting the spray head assembly with a moving mechanism of a D printer;
the interior of the supporting block is fixedly connected with the heat dissipation block, the heating block is arranged below the heat dissipation block, the heat dissipation block is connected with the feeding structure, a stepped hole is formed in the heat dissipation block, a through hole is formed in the heating block, the upper end of the throat pipe is fixed in the stepped hole of the heat dissipation block, and the lower end of the throat pipe is connected with the nozzle in the through hole of the heating block;
the reflecting cover is fixed at the position, close to the nozzle, of the end part of the supporting frame, and the heating element is fixed in the reflecting cover and used for heating the periphery of the nozzle;
the heat radiating element is fixed on the heat radiating block, and the temperature sensor and the heating pipe are arranged in the heating block and used for heating and measuring the temperature of the lower end of the throat pipe and the nozzle.
Further, the heating element is an infrared radiation tube, and the heat dissipation element is specifically a heat dissipation fan.
Furthermore, the feeding hole in the throat pipe is a finish machining hole.
Further, the reflector is an arc-shaped opening cover, and the opening of the reflector faces the direction of the nozzle.
Furthermore, a plurality of radiating grooves are formed in the radiating block.
Furthermore, the throat pipe is made of all-metal stainless steel.
Furthermore, the middle part of the throat pipe is provided with a necking section, and the necking section is positioned between the heat dissipation block and the heating block.
Furthermore, the through hole in the heating block is a threaded hole, and the lower end of the throat pipe and the nozzle are in threaded connection with the threaded hole.
Further, the lower end of the nozzle is provided with a platform structure, so that the extruded filaments can be timely attached to the platform and are not easily adhered to the vicinity of the nozzle.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a set up infrared radiation pipe and bowl and extrude the regional real-time heat treatment that carries out of silk to the nozzle, reduce the thermal stress in the deposit long filament to reduce the warpage of part.
2. The utility model discloses an adopt choke, radiating block and radiator fan, carry out reasonable distribution to the temperature field of shower nozzle subassembly, can realize high performance engineering plastics's extrusion moulding, and be difficult for taking place the jam at the extrusion process.
Drawings
FIG. 1 is a schematic assembly view of the present invention;
fig. 2 is a longitudinal sectional view of the central axis of the inventive nozzle.
In the figure: the device comprises a supporting block 1, a radiating block 2, a supporting frame 3, a nozzle 4, a heating block 5, an infrared radiation tube 6, a reflecting cover 7, a radiating fan 8, a throat tube 9, a temperature sensor 10 and a heating tube 11.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and preferred embodiments, and the objects and effects of the invention will become more apparent. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-2, an anti-warping high-temperature 3D printing head assembly includes: the device comprises a supporting block 1, a radiating block 2, a supporting frame 3, a nozzle 4, a heating block 5, an infrared radiation tube 6, a reflecting cover 7, a radiating fan 8, a throat 9, a temperature sensor 10 and a heating tube 11. The supporting block 1 is used for connecting the whole spray head assembly with an XY axis moving mechanism of the 3D printer, so that the spray head assembly can move according to a preset path; the heat dissipation block 2 and the support frame 3 are fixedly connected with the support block 1 through screws, the upper end of the heat dissipation block 2 is provided with a threaded hole for connecting with a feeding pipe mechanism, the lower end of the heat dissipation block is provided with a throat 9 in a penetrating manner, the front outer surface of the heat dissipation block 2 is provided with a heat dissipation groove, and the outer side of the heat dissipation groove is fixedly connected with a heat dissipation fan 8 to play a role in enhancing heat dissipation on the upper part of the throat; the throat pipe 9 is a key part of the spray head assembly, the upper part of the throat pipe is fixedly connected with the radiating block 2 through a set screw, the lower part of the throat pipe is connected with the heating block 5 through external threads, the middle of the throat pipe is provided with a necking down for reducing upward heat transfer, the throat pipe 9 is made of all-metal stainless steel materials, a feeding hole is formed from top to bottom, the diameter of the upper end hole is larger, the feeding pipe is arranged in the hole, the lower end hole is slender, the inner surface of the throat pipe is subjected to finish machining, friction between the inner wall surface of the throat pipe and filiform consumables is reduced when the consumables are conveyed, the structural design of the throat pipe 9 can ensure that the upper part of the throat pipe is well cooled, the consumables cannot be softened in advance, the lower; the heating block 5 is provided with an internal thread hole in a penetrating way from top to bottom, the upper end of the heating block is fixedly connected with the throat pipe 9, the lower end of the heating block is fixedly connected with the nozzle 4, the lower end face of the throat pipe is tightly attached to the upper end face of the nozzle, the heating block 5 is provided with two heating pipe holes and one temperature sensor hole, the high-power heating pipe 11 and the high-precision temperature sensor 10 are respectively fixed in the hole positions of the heating block 5 through set screws, and the rapid heating and the precise temperature control of the heating block are realized; the nozzle 4 realizes the extrusion molding of the molten plastic, and the tail end of the nozzle 4 is provided with a platform structure, so that extruded filaments can be attached to the platform in time and are not easy to adhere to the vicinity of the nozzle; the tail end of the support frame 3 is fixedly connected with the reflection cover 7 and the infrared radiation tube 6, the reflection cover 7 concentrates the radiation heating energy of the infrared radiation tube 6 in a nozzle extrusion wire area, a high-temperature environment is provided for high-performance engineering plastics during high-temperature extrusion, the temperature gradient in the cooling process of the extrusion wire is reduced, and meanwhile, the material attached to the platform is annealed, so that the thermal stress in a formed part is reduced, and the part is prevented from being warped and deformed.
The utility model provides a proof warp high temperature 3D prints shower nozzle subassembly working process does: before printing begins, open heating pipe 11 and infrared radiation pipe 6 and preheat the shower nozzle, treat that the shower nozzle temperature reaches the temperature of settlement after, pass supporting shoe 1 with 3D printing filiform consumptive material through the conveying pipe in proper order, radiating block 2, choke 9, heating block 5 reachs nozzle 4 departments, the feeding mechanism drive consumptive material downstream of 3D printer, the consumptive material is extruded in the melting of nozzle 4 department, the long filament after extruding slowly cools off under infrared radiation pipe 6's ambient temperature effect, pile up layer upon layer on the platform, realize high performance engineering plastic parts's rapid prototyping.
The utility model relates to an anti-warping high-temperature 3D printing spray head component, which realizes the high-temperature extrusion molding of high-melting-point and high-performance materials by arranging a heat dissipation block 2, a heat dissipation fan 8, the structural design of a throat pipe 8, a heating block 5 and a nozzle 4; through setting up support frame 3, bowl 7 and infrared radiation pipe 6 and realizing extruding the regional real-time heat treatment of silk to the nozzle, provide the miniature high temperature environment that a heat is concentrated, solved and easily taken place warpage's problem among the current 3D printer part forming process.
Claims (9)
1. The warping-preventing high-temperature 3D printing spray head assembly is characterized by comprising a supporting block (1), a heat dissipation block (2), a supporting frame (3), a nozzle (4), a heating block (5), a heating element (6), a reflecting cover (7), a heat dissipation element (8), a throat pipe (9), a temperature sensor (10) and a heating pipe (11);
the support frame (3) is arranged outside the whole spray head assembly, the interior of the support frame is fixedly connected with the support block (1), and the support block (1) is used for connecting the spray head assembly with a moving mechanism of a 3D printer;
the interior of the supporting block (1) is fixedly connected with the radiating block (2), the heating block (5) is arranged below the radiating block (2), the radiating block (2) is connected with the feeding structure, a stepped hole is formed in the radiating block (2), a through hole is formed in the heating block (5), the upper end of the throat pipe (9) is fixed in the stepped hole of the radiating block (2), and the lower end of the throat pipe is connected with the nozzle (4) in the through hole of the heating block (5);
the reflecting cover (7) is fixed at the position, close to the nozzle (4), of the end part of the supporting frame (3), and the heating element (6) is fixed inside the reflecting cover (7) and used for heating the periphery of the nozzle (4);
the heat dissipation element (8) is fixed on the heat dissipation block (2), and the temperature sensor (10) and the heating pipe (11) are arranged in the heating block (5) and used for heating and measuring the temperature of the lower end of the throat pipe (9) and the nozzle (4).
2. The warping-preventing high-temperature 3D printing head assembly according to claim 1, wherein the heating element (6) is an infrared radiation tube, and the heat dissipation element (8) is a heat dissipation fan.
3. The warping-preventing high-temperature 3D printing nozzle assembly according to claim 1, wherein the feeding hole in the throat (9) is a finish machining hole.
4. The warping-resistant high-temperature 3D printing head assembly according to claim 1, wherein the reflection hood (7) is an arc-shaped opening hood, and the opening of the arc-shaped opening hood faces the direction of the nozzle (4).
5. The warping-preventing high-temperature 3D printing spray head assembly according to claim 1, wherein a plurality of heat dissipation grooves are formed in the heat dissipation block (2).
6. The warping-resistant high-temperature 3D printing nozzle assembly according to claim 1, wherein the throat (9) is made of all-metal stainless steel.
7. The warping-resistant high-temperature 3D printing nozzle assembly according to claim 1, wherein a necking section is arranged in the middle of the throat (9), and the necking section is located between the heat dissipation block (2) and the heating block (5).
8. The warping-preventing high-temperature 3D printing nozzle assembly according to claim 1, wherein the through hole in the heating block (5) is a threaded hole, and the lower end of the throat pipe (9) and the nozzle (4) are in threaded connection with the threaded hole.
9. The warping-preventing high-temperature 3D printing nozzle assembly according to claim 1, wherein a platform structure is arranged at the lower end of the nozzle (4), so that extruded filaments can be timely attached to the platform and cannot be easily adhered to the vicinity of the nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922424844.XU CN211710042U (en) | 2019-12-26 | 2019-12-26 | Anti-warping high-temperature 3D printing spray head assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922424844.XU CN211710042U (en) | 2019-12-26 | 2019-12-26 | Anti-warping high-temperature 3D printing spray head assembly |
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| CN211710042U true CN211710042U (en) | 2020-10-20 |
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| CN201922424844.XU Active CN211710042U (en) | 2019-12-26 | 2019-12-26 | Anti-warping high-temperature 3D printing spray head assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112721249A (en) * | 2020-12-15 | 2021-04-30 | 河南速维电子科技有限公司 | 3D printer PEEK material intelligence annealing system |
-
2019
- 2019-12-26 CN CN201922424844.XU patent/CN211710042U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112721249A (en) * | 2020-12-15 | 2021-04-30 | 河南速维电子科技有限公司 | 3D printer PEEK material intelligence annealing system |
| CN112721249B (en) * | 2020-12-15 | 2022-09-20 | 河南速维电子科技有限公司 | 3D printer PEEK material intelligence annealing system |
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| TR01 | Transfer of patent right |
Effective date of registration: 20230206 Address after: No. 28, Yunshan Middle Road, Sanqi Town, Yuyao City, Ningbo City, Zhejiang Province, 315400 Patentee after: Tuoling machinery (Zhejiang) Co.,Ltd. Address before: 313200 no.1-110, 926 Changhong East Street, Fuxi street, Deqing County, Huzhou City, Zhejiang Province (Moganshan national high tech Zone) Patentee before: ZHEJIANG KEYING NEW MATERIAL TECHNOLOGY CO.,LTD. |