CN115027055B - 3D prints hot mouth subassembly and hot runner system - Google Patents
3D prints hot mouth subassembly and hot runner system Download PDFInfo
- Publication number
- CN115027055B CN115027055B CN202210656411.0A CN202210656411A CN115027055B CN 115027055 B CN115027055 B CN 115027055B CN 202210656411 A CN202210656411 A CN 202210656411A CN 115027055 B CN115027055 B CN 115027055B
- Authority
- CN
- China
- Prior art keywords
- hot
- hot nozzle
- main body
- nozzle main
- hot runner
- 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.)
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Links
- 238000007789 sealing Methods 0.000 claims description 22
- 238000009434 installation Methods 0.000 claims description 9
- 210000003781 tooth socket Anatomy 0.000 claims description 5
- 239000004033 plastic Substances 0.000 abstract description 15
- 229920003023 plastic Polymers 0.000 abstract description 15
- 238000010146 3D printing Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 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
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
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
Abstract
The invention discloses a 3D printing hot nozzle assembly and a hot runner system, comprising 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, the stepped hole is communicated with the outside, a hot runner is arranged in the inner side of the middle part of the hot nozzle main body, the hot runner is communicated with the stepped hole through a connecting channel, a pouring opening is formed in the inner side of the lower part of the hot nozzle main body, the pouring opening is communicated with the hot runner through a plugging opening, and a feeding opening is formed in the outer surface of the middle part of the hot nozzle main body; 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 molten plastics in the initial stage can be reduced, the problem that the hot nozzle main body is blocked due to the fact that the molten plastics are coagulated due to the large temperature difference is solved, and meanwhile, the heater can continuously heat the hot nozzle main body in the pouring process, so that the molten plastics entering the hot nozzle main body can always keep a proper molten state.
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
A 3D printing, namely a rapid prototyping technology, also called additive manufacturing, is a technology for constructing objects by using powdery metal or plastic and other bondable materials in a layer-by-layer printing mode based on digital model files.
3D printing is typically implemented using a digital technology material printer. Often in the fields of mould manufacture, industrial design, etc., are used to manufacture models, and later gradually in the direct manufacture of some products, parts have been printed using this technique. The technology has application 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 by a special heating device and conveyed to the hot nozzle assembly through a pipeline, and then the plastic is sprayed out from a pouring opening of the hot nozzle assembly, but as the conveying distance is far, the melted plastic is easy to condense after entering the interior of the cooler hot nozzle assembly at the beginning, 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 are used for solving the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a 3D prints hot mouth subassembly, includes the 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 connecting channel and shoulder hole intercommunication, the lower part inboard of hot mouth main part is provided with the pouring mouth, the pouring mouth passes through shutoff mouth and hot runner intercommunication, 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 in heater installation cavity has the heater.
Preferably, the plugging port is of a cylindrical structure with an upper caliber smaller than a lower caliber.
A hot runner system comprising the hot nozzle assembly according to any one of claims 1-2, further comprising a top cover, a motor, a connecting rod, a sealing head and a hot nozzle sleeve, wherein the connecting rod is inserted into the hot runner through a connecting channel, the sealing head is fixed at the bottom end of the connecting rod and matched with the sealing head, 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 positioned in a stepped hole, a tooth socket is arranged at the top of the connecting rod, the top cover is fixedly arranged at the top of the hot nozzle body, the motor is fixedly arranged on the bottom surface of the top cover, a gear is fixedly arranged on an output shaft of the motor and meshed with the tooth socket at the top 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 in 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 truncated cone-shaped structure in clearance fit with the plugging port, and the lower part of the sealing head is of an inverted cone-shaped structure with the same size as the lower caliber 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 molten plastics in the initial stage can be reduced, the problem that the hot nozzle main body is blocked due to the fact that the molten plastics are coagulated due to the large temperature difference is solved, and meanwhile, the heater can continuously heat the hot nozzle main body in the pouring process, so that the molten plastics entering the hot nozzle main body can always keep 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 opening, at the moment, the hot runner is communicated with the pouring opening, molten plastic in the hot runner can flow into the pouring opening and flows out of the pouring opening, after the motor stops and closes the self-locking function, the connecting rod moves upwards under the pushing of the spring, at the moment, the sealing head moves upwards and reseals the plugging opening, and the hot nozzle sleeve sleeved outside the hot nozzle main body can keep the hot nozzle main body warm through the vacuum cavity inside the sealing head, so that heat loss is reduced, and the energy consumption of the heater is reduced.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of the internal structure of a hot nozzle body of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the hot runner system of the present invention;
fig. 3 is a schematic view of the external structure 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 connection channel; 5. a stepped hole; 6. a thermal nozzle sleeve limit structure; 7. a heater mounting cavity; 8. a heater; 9. pouring the port; 10. a vacuum chamber; 11. sealing 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. and a hot nozzle sleeve.
Detailed Description
For the purpose of making 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 clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention. Thus, the following detailed description of the embodiments of the invention, as 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, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the 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 provided on 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 provided on 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 connection channel 4, a pouring opening 9 is provided on an inner side of a lower portion of the hot nozzle main body 1, the pouring opening 9 is communicated with the hot runner 2 through a plugging opening 11, a feed opening 3 is provided on an outer surface of a middle portion of the hot nozzle main body 1, the feed opening 3 is communicated with the hot runner 2, a hot nozzle sleeve limiting structure 6 is provided below the feed opening 3, a heater installation cavity 7 is further provided in the middle portion of the hot nozzle main body 1, the heater installation cavity 7 is provided with the hot runner 2 as an axis, and a heater 8 is installed in the heater installation cavity 7.
The blocking opening 11 is provided in a cylindrical structure having an upper caliber smaller than a lower caliber.
The working principle of the invention is as follows: the heater 8 arranged inside the hot nozzle main body 1 can heat the hot nozzle main body 1 after being electrified, so that the temperature difference between the hot nozzle main body 1 and molten plastics in the initial stage can be reduced, the problem that the hot nozzle main body 1 is blocked due to the fact that the molten plastics are coagulated and the temperature difference is large is solved, meanwhile, the heater 8 can continuously heat the hot nozzle main body 1 in the pouring process, and the molten plastics entering the hot nozzle main body 1 can always keep a proper molten state.
A hot runner system comprising a hot nozzle assembly according to any one of claims 1-2, 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 plugging 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 socket is arranged at the top of the connecting rod 15, the top cover 12 is fixedly arranged at the top of the hot nozzle body 1, the motor 13 is fixedly arranged on the bottom surface of the top cover 12, a gear 14 is fixedly arranged on the output shaft of the motor 13, the gear 14 is meshed with the tooth socket at the top of the connecting rod 15, and the hot nozzle sleeve 19 is sleeved on the lower surface of the hot nozzle body 1.
The vacuum chamber 10 is provided inside the hot nozzle sleeve 19.
The hot nozzle sleeve 19 is in threaded connection with the hot nozzle body 1.
The upper part of the sealing head 18 is of a truncated cone-shaped structure in clearance fit with the plugging port 11, and the lower part of the sealing head 18 is of an inverted cone-shaped structure with the same size as the lower caliber 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, so that the sealing head 18 moves downwards and is separated from the plugging port 11, at the moment, the hot runner 2 is communicated with the pouring port 9, molten plastic in the hot runner 2 can flow into the pouring port 9 and flow out of the pouring port 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 reseals the plugging port 11, and the hot nozzle sleeve 19 sleeved outside the hot nozzle main body 1 can keep the hot nozzle main body 1 warm through the vacuum cavity 10 in the hot nozzle sleeve, so that heat loss is reduced, and the energy consumption of the heater 8 is reduced.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A hot runner system, characterized by: including hot mouth main part (1), the upper portion inboard of hot mouth main part (1) is provided with shoulder hole (5), shoulder hole (5) communicate with each other with the external world, the middle part inboard of hot mouth main part (1) is provided with hot runner (2), hot runner (2) are through connecting channel (4) and shoulder hole (5) intercommunication, the lower part inboard of hot mouth main part (1) is provided with pouring mouth (9), pouring mouth (9) are through shutoff mouth (11) and hot runner (2) intercommunication, be provided with feed inlet (3) on the middle part surface of hot mouth main part (1), feed inlet (3)
(3) The hot nozzle is communicated with a hot runner (2), a hot nozzle sleeve limiting structure (6) is arranged below the feeding port (3), a heater installation cavity (7) is further formed in the middle of the hot nozzle main body (1), the heater installation cavity (7) is arranged by taking the hot runner (2) as an axis, a heater (8) is arranged in the heater installation cavity (7), and the plugging port (11) is of a cylindrical structure with an upper caliber smaller than a lower caliber; still include top cap (12), motor (13), connecting rod (15), sealing head (18) and hot mouth cover (19), connecting rod (15) are inserted in hot runner (2) through connecting channel (4), sealing head (18) are fixed in the bottom of connecting rod (15), and sealing head (18) and shutoff mouth (11) cooperation, connecting plate (16) are fixedly provided with on the upper portion of connecting rod (15), spring (17) of suit on connecting rod (15) are provided with below connecting plate (16), spring (17) are in shoulder hole (5), and the top of connecting rod (15) is provided with the tooth's socket, top cap
(12) The motor (13) is fixedly arranged on the bottom surface of the top cover (12), the gear (14) is fixedly arranged on the output shaft of the motor (13), and the gear (14) and the top of the connecting rod (15) are fixedly arranged on the top of the hot nozzle main body (1)
Is meshed with the tooth sockets of the hot nozzle sleeve (19), and is sleeved on the lower surface of the hot nozzle main body (1).
2. A hot runner system according to claim 1, characterized in that: the inside of the hot nozzle sleeve (19) is provided with a vacuum cavity (10).
3. A hot runner system according to claim 1, characterized in that: the hot nozzle sleeve (19) is in threaded connection with the hot nozzle main body (1).
4. A hot runner system according to claim 1, characterized in that: the upper part of the sealing head (18) is of a truncated cone-shaped structure in clearance fit with the plugging port (11), and the lower part of the sealing head (18) is of an inverted cone-shaped structure with the same size as the lower caliber of the plugging port (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 CN115027055A (en) | 2022-09-09 |
| CN115027055B true CN115027055B (en) | 2023-12-05 |
Family
ID=83124887
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 (8)
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11167486B2 (en) * | 2017-08-29 | 2021-11-09 | Magzero Llc | Three dimensional printer system |
-
2022
- 2022-06-11 CN CN202210656411.0A patent/CN115027055B/en active Active
Patent Citations (8)
| 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 |
| 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 |
|---|---|
| CN115027055A (en) | 2022-09-09 |
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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. |
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