CN115027055A - 3D printing hot nozzle assembly and hot runner system - Google Patents
3D printing hot nozzle assembly and hot runner system Download PDFInfo
- Publication number
- CN115027055A CN115027055A CN202210656411.0A CN202210656411A CN115027055A CN 115027055 A CN115027055 A CN 115027055A CN 202210656411 A CN202210656411 A CN 202210656411A CN 115027055 A CN115027055 A CN 115027055A
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- China
- Prior art keywords
- hot
- hot nozzle
- connecting rod
- runner
- main body
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- 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.)
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Links
- 238000010146 3D printing Methods 0.000 title claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 22
- 238000009434 installation Methods 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000007639 printing Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 4
- 210000003781 tooth socket Anatomy 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012255 powdered metal Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/205—Means for applying layers
- B29C64/209—Heads; Nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/295—Heating elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a 3D printing hot nozzle assembly and a hot runner system, which comprise a hot nozzle main body, wherein a stepped hole is formed in the inner side of the upper part of the hot nozzle main body and communicated with the outside; the heater that sets up in hot mouth main part inside can heat hot mouth main part after the circular telegram, can reduce the difference in temperature between initial stage hot mouth main part and the molten plastic, is favorable to preventing because the great molten plastic that causes of difference in temperature condenses the problem of blockking up hot mouth main part, and the heater also can be in pouring the in-process and continuously heat hot mouth main part simultaneously for the molten plastic that gets into in the hot mouth main part can remain suitable molten state throughout.
Description
Technical Field
The invention relates to the technical field of 3D printers, in particular to a 3D printing hot nozzle assembly and a hot runner system.
Background
3D printing, a technique for rapid prototyping, also known as additive manufacturing, is a technique that builds objects by using bondable materials such as powdered metal or plastic and the like in a layer-by-layer printing manner on the basis of a digital model file.
3D printing is typically achieved using digital technology material printers. The method is often used for manufacturing models in the fields of mold manufacturing, industrial design and the like, and is gradually used for directly manufacturing some products, and parts printed by the technology are already available. The technology has applications in jewelry, footwear, industrial design, construction, engineering and construction (AEC), automotive, aerospace, dental and medical industries, education, geographic information systems, civil engineering, firearms, and other fields.
When the existing 3D printer is used, plastic is melted through a special heating device and is conveyed to the hot nozzle assembly through a pipeline, then the plastic is sprayed out from a pouring opening of the hot nozzle assembly, but the molten plastic is easy to condense after entering the interior of the cold hot nozzle assembly at the beginning due to the fact that the conveying distance is long, and the hot nozzle assembly is blocked.
Disclosure of Invention
The invention aims to provide a 3D printing hot nozzle assembly and a hot runner system, which aim to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a 3D prints hot mouth subassembly, includes hot mouth main part, the upper portion inboard of hot mouth main part is provided with the shoulder hole, the shoulder hole communicates with each other with the external world, the middle part inboard of hot mouth main part is provided with the hot runner, the hot runner passes through linking channel and shoulder hole intercommunication, the lower part inboard of hot mouth main part is provided with pours the mouth, it passes through shutoff mouth and hot runner intercommunication to pour the mouth, be provided with the feed inlet on the middle part surface of hot mouth main part, feed inlet and hot runner intercommunication, the below of feed inlet is provided with hot mouth cover limit structure, the inside heater installation cavity that still is equipped with in middle part of hot mouth main part, the heater installation cavity uses the hot runner to set up as the axle center, the internally mounted of heater installation cavity has the heater.
Preferably, the plugging port is a cylindrical structure with an upper caliber smaller than a lower caliber.
A hot runner system, comprising the hot nozzle assembly as claimed in any one of claims 1-2, further comprising a top cap, a motor, a connecting rod, a sealing head and a hot nozzle sleeve, wherein the connecting rod is inserted into the hot runner via the connecting channel, the sealing head is fixed at the bottom end of the connecting rod and is matched with the plugging port, a connecting plate is fixedly arranged at the upper part of the connecting rod, a spring sleeved on the connecting rod is arranged below the connecting plate and is located in the stepped hole, a tooth socket is arranged at the top part of the connecting rod, the top cap is fixedly arranged at the top part of the hot nozzle body, the motor is fixedly arranged on the bottom surface of the top cap, a gear is fixedly arranged on an output shaft of the motor and is engaged with the tooth socket at the top part of the connecting rod, and the hot nozzle sleeve is sleeved on the lower surface of the hot nozzle body.
Preferably, a vacuum cavity is arranged inside the hot nozzle sleeve.
Preferably, the hot nozzle sleeve is in threaded connection with the hot nozzle main body.
Preferably, the upper part of the sealing head is of a circular truncated cone structure in clearance fit with the plugging port, and the lower part of the sealing head is of an inverted cone structure with the same size as the lower diameter of the plugging port.
Compared with the prior art, the invention has the beneficial effects that: the heater arranged in the hot nozzle main body can heat the hot nozzle main body after being electrified, so that the temperature difference between the hot nozzle main body and the molten plastic at the initial stage can be reduced, the problem that the hot nozzle main body is blocked by the molten plastic due to condensation caused by large temperature difference can be prevented, and meanwhile, the heater can also continuously heat the hot nozzle main body in the pouring process, so that the molten plastic entering the hot nozzle main body can be always kept in a proper molten state;
when the motor works, the connecting rod can be driven to move downwards, so that the sealing head moves downwards and is separated from the plugging port, the hot runner is communicated with the pouring port at the moment, molten plastic in the hot runner can flow into the pouring port and flow out of the pouring port, after the motor stops and the self-locking function is closed, the connecting rod moves upwards under the pushing of the spring, the sealing head moves upwards and closes the plugging port again at the moment, and the hot nozzle sleeve sleeved outside the hot nozzle main body can preserve heat of the hot nozzle main body through the vacuum cavity in the hot nozzle sleeve, so that heat loss is reduced, and the energy consumption of the heater is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the internal structure of the hot nozzle body of the present invention;
FIG. 2 is a schematic view of the internal structure of the hot runner system of the present invention;
fig. 3 is a schematic external view of the hot runner system of the present invention.
In the figure: 1. a hot nozzle body; 2. a hot runner; 3. a feed inlet; 4. a connecting channel; 5. a stepped hole; 6. a hot nozzle sleeve limiting structure; 7. a heater installation cavity; 8. a heater; 9. pouring a mouth; 10. a vacuum chamber; 11. plugging the opening; 12. a top cover; 13. a motor; 14. a gear; 15. a connecting rod; 16. a connecting plate; 17. a spring; 18. a sealing head; 19. a hot nozzle sleeve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1-3, in an embodiment of the present invention, a 3D printing hot nozzle assembly includes a hot nozzle main body 1, a stepped hole 5 is formed in an inner side of an upper portion of the hot nozzle main body 1, the stepped hole 5 is communicated with the outside, a hot runner 2 is disposed in an inner side of a middle portion of the hot nozzle main body 1, the hot runner 2 is communicated with the stepped hole 5 through a connecting channel 4, a pouring port 9 is disposed in an inner side of a lower portion of the hot nozzle main body 1, the pouring port 9 is communicated with the hot runner 2 through a plugging port 11, a feeding port 3 is disposed on an outer surface of the middle portion of the hot nozzle main body 1, the feeding port 3 is communicated with the hot runner 2, a hot nozzle sleeve limiting structure 6 is disposed below the feeding port 3, a heater installation cavity 7 is further disposed in the middle portion of the hot nozzle main body 1, the heater installation cavity 7 is disposed with the hot runner 2 as an axis, and a heater 8 is disposed inside the heater installation cavity 7.
The plugging port 11 is set to be a cylindrical structure with an upper caliber smaller than a lower caliber.
The working principle of the invention is as follows: the heater 8 that sets up in hot mouth main part 1 inside can heat hot mouth main part 1 after the circular telegram, can reduce the difference in temperature between hot mouth main part 1 and the molten plastic in initial stage, be favorable to preventing because the great problem of blockking up hot mouth main part 1 that causes of the molten plastic condensation of difference in temperature, heater 8 also can be in pouring the in-process and continuously heat hot mouth main part 1 simultaneously for the molten plastic that gets into in hot mouth main part 1 can remain suitable molten state throughout.
A hot runner system comprising the hot nozzle assembly according to any one of claims 1 to 2, further comprising a top cap 12, a motor 13, a connecting rod 15, a sealing head 18 and a hot nozzle sleeve 19, wherein the connecting rod 15 is inserted into the hot runner 2 through the connecting passage 4, the sealing head 18 is fixed at the bottom end of the connecting rod 15, the sealing head 18 is matched with the sealing port 11, a connecting plate 16 is fixedly arranged at the upper part of the connecting rod 15, a spring 17 sleeved on the connecting rod 15 is arranged below the connecting plate 16, the spring 17 is positioned in the stepped hole 5, a tooth socket is arranged at the top part of the connecting rod 15, the top cap 12 is fixedly arranged at the top part of the hot nozzle body 1, the motor 13 is fixedly arranged on the bottom surface of the top cap 12, a gear 14 is fixedly arranged on an output shaft of the motor 13, the gear 14 is engaged with the tooth socket at the top part of the connecting rod 15, and the hot nozzle sleeve 19 is sleeved on the lower surface of the hot nozzle body 1.
The inside of the hot plug wrap 19 is provided with a vacuum chamber 10.
The hot nozzle sleeve 19 is in threaded connection with the hot nozzle main body 1.
The upper part of the sealing head 18 is a circular truncated cone structure in clearance fit with the plugging port 11, and the lower part of the sealing head 18 is an inverted cone structure with the same size as the lower diameter of the plugging port 11.
The working principle of the invention is as follows: when the motor 13 works, the connecting rod 15 can be driven to move downwards, therefore, the sealing head 18 moves downwards and is separated from the blocking opening 11, at the moment, the hot runner 2 is communicated with the pouring opening 9, molten plastic in the hot runner 2 can flow into the pouring opening 9 and flow out from the pouring opening 9, after the motor 13 stops and closes the self-locking function, the connecting rod 15 moves upwards under the pushing of the spring 17, at the moment, the sealing head 18 moves upwards and re-closes the blocking opening 11, and the hot nozzle sleeve 19 sleeved outside the hot nozzle main body 1 can preserve heat of the hot nozzle main body 1 through the vacuum cavity 10 in the hot nozzle sleeve, so that heat loss is reduced, and the reduction of energy consumption of the heater 8 is facilitated.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A3D printing hot nozzle assembly comprises a hot nozzle main body (1), and is characterized in that: the hot nozzle comprises a hot nozzle body (1), wherein a stepped hole (5) is formed in the inner side of the upper part of the hot nozzle body (1), the stepped hole (5) is communicated with the outside, a hot runner (2) is arranged on the inner side of the middle part of the hot nozzle body (1), the hot runner (2) is communicated with the stepped hole (5) through a connecting channel (4), a pouring opening (9) is formed in the inner side of the lower part of the hot nozzle body (1), the pouring opening (9) is communicated with the hot runner (2) through a blocking opening (11), a feeding hole (3) is formed in the outer surface of the middle part of the hot nozzle body (1), the feeding hole (3) is communicated with the hot runner (2), a hot nozzle sleeve limiting structure (6) is arranged below the feeding hole (3), a heater installation cavity (7) is further arranged in the middle of the hot nozzle body (1), and the heater installation cavity (7) is arranged by taking the hot runner (2) as an axis center, and a heater (8) is arranged in the heater mounting cavity (7).
2. A 3D printing hot nozzle assembly according to claim 1, characterized in that: the plugging port (11) is of a cylindrical structure with an upper caliber smaller than a lower caliber.
3. A hot-runner system, comprising: the hot nozzle assembly of any one of claims 1 to 2, further comprising a top cover (12), a motor (13), a connecting rod (15), a sealing head (18) and a hot nozzle sleeve (19), wherein the connecting rod (15) is inserted into the hot runner (2) through the connecting channel (4), the sealing head (18) is fixed at the bottom end of the connecting rod (15), the sealing head (18) is matched with the blocking opening (11), a connecting plate (16) is fixedly arranged at the upper part of the connecting rod (15), a spring (17) sleeved on the connecting rod (15) is arranged below the connecting plate (16), the spring (17) is positioned in the stepped hole (5), a tooth groove is arranged at the top part of the connecting rod (15), the top cover (12) is fixedly arranged at the top part of the hot nozzle main body (1), the motor (13) is fixedly arranged on the bottom surface of the top cover (12), and a gear (14) is fixedly arranged on an output shaft of the motor (13), the gear (14) is meshed with a tooth groove at the top of the connecting rod (15), and the hot nozzle sleeve (19) is sleeved on the surface of the lower part of the hot nozzle main body (1).
4. The hot-runner system of claim 3, wherein: the vacuum cavity (10) is arranged in the hot nozzle sleeve (19).
5. The hot-runner system of claim 3, wherein: the hot nozzle sleeve (19) is in threaded connection with the hot nozzle main body (1).
6. The hot-runner system of claim 3, wherein: the upper part of the sealing head (18) is of a circular truncated cone-shaped structure in clearance fit with the sealing opening (11), and the lower part of the sealing head (18) is of an inverted cone-shaped structure with the same size as the lower diameter of the sealing opening (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210656411.0A CN115027055B (en) | 2022-06-11 | 2022-06-11 | 3D prints hot mouth subassembly and hot runner system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210656411.0A CN115027055B (en) | 2022-06-11 | 2022-06-11 | 3D prints hot mouth subassembly and hot runner system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115027055A true CN115027055A (en) | 2022-09-09 |
| CN115027055B CN115027055B (en) | 2023-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210656411.0A Active CN115027055B (en) | 2022-06-11 | 2022-06-11 | 3D prints hot mouth subassembly and hot runner system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115027055B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103507273A (en) * | 2013-09-27 | 2014-01-15 | 河南良益机电科技有限公司 | Extruding type wire fusing hot nozzle component and 3D printer using same |
| KR20140131146A (en) * | 2013-05-03 | 2014-11-12 | 주식회사 유토 | Single valve-nozzle device of hot runner system for injection molding |
| CN205467085U (en) * | 2016-04-12 | 2016-08-17 | 深圳市诚奥模具有限公司 | Mould plastics with hot mouth of hot runner |
| CN208428599U (en) * | 2018-05-04 | 2019-01-25 | 昆山沃海钢模科技有限公司 | A kind of no dead angle and anticlogging hot flow path hot mouth |
| US20190061241A1 (en) * | 2017-08-29 | 2019-02-28 | Magzero Llc | Three dimensional printer system |
| CN209111436U (en) * | 2018-11-21 | 2019-07-16 | 深圳市伽俐模具有限公司 | A kind of hot flow path hot mouth being conveniently replaceable and heat insulation effect is good |
| CN210011262U (en) * | 2019-03-14 | 2020-02-04 | 柳道（青岛）热流道系统有限公司 | Independent heating hot nozzle and hot runner system |
| CN210733123U (en) * | 2019-08-29 | 2020-06-12 | 深圳联和热流道系统有限公司 | Hot nozzle for hot runner |
| CN212331710U (en) * | 2020-08-13 | 2021-01-12 | 马斯特模具（昆山）有限公司 | Hot nozzle assembly and hot runner mold |
-
2022
- 2022-06-11 CN CN202210656411.0A patent/CN115027055B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140131146A (en) * | 2013-05-03 | 2014-11-12 | 주식회사 유토 | Single valve-nozzle device of hot runner system for injection molding |
| CN103507273A (en) * | 2013-09-27 | 2014-01-15 | 河南良益机电科技有限公司 | Extruding type wire fusing hot nozzle component and 3D printer using same |
| CN205467085U (en) * | 2016-04-12 | 2016-08-17 | 深圳市诚奥模具有限公司 | Mould plastics with hot mouth of hot runner |
| US20190061241A1 (en) * | 2017-08-29 | 2019-02-28 | Magzero Llc | Three dimensional printer system |
| CN208428599U (en) * | 2018-05-04 | 2019-01-25 | 昆山沃海钢模科技有限公司 | A kind of no dead angle and anticlogging hot flow path hot mouth |
| CN209111436U (en) * | 2018-11-21 | 2019-07-16 | 深圳市伽俐模具有限公司 | A kind of hot flow path hot mouth being conveniently replaceable and heat insulation effect is good |
| CN210011262U (en) * | 2019-03-14 | 2020-02-04 | 柳道（青岛）热流道系统有限公司 | Independent heating hot nozzle and hot runner system |
| CN210733123U (en) * | 2019-08-29 | 2020-06-12 | 深圳联和热流道系统有限公司 | Hot nozzle for hot runner |
| CN212331710U (en) * | 2020-08-13 | 2021-01-12 | 马斯特模具（昆山）有限公司 | Hot nozzle assembly and hot runner mold |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115027055B (en) | 2023-12-05 |
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Effective date of registration: 20240110 Address after: 201505 area a, building 6, No.168, Tingyi Road, Tinglin Town, Jinshan District, Shanghai Patentee after: Shanghai Yisu Laser Technology Co.,Ltd. Address before: 201505 building 6, No.168, Tingyi Road, Tinglin Town, Jinshan District, Shanghai Patentee before: SHANGHAI ANRY MOLD COMPONENT Co.,Ltd. |