CN220995312U - Novel hot nozzle - Google Patents
Novel hot nozzle Download PDFInfo
- Publication number
- CN220995312U CN220995312U CN202323060629.9U CN202323060629U CN220995312U CN 220995312 U CN220995312 U CN 220995312U CN 202323060629 U CN202323060629 U CN 202323060629U CN 220995312 U CN220995312 U CN 220995312U
- Authority
- CN
- China
- Prior art keywords
- nozzle
- heat insulation
- sleeve
- nozzle head
- heater
- 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
- 238000009413 insulation Methods 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052802 copper Inorganic materials 0.000 claims abstract description 6
- 239000010949 copper Substances 0.000 claims abstract description 6
- 238000001746 injection moulding Methods 0.000 abstract description 15
- 230000017525 heat dissipation Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to the technical field of injection molding, in particular to a novel hot nozzle, which comprises a nozzle head, a heater, a heat insulation sleeve and a water conveying sleeve, wherein a valve needle is coaxially arranged in the nozzle head, the heater is fixedly sleeved on the outer side of the nozzle head, a placing groove for placing a heating copper pipe is arranged in the heater, the heat insulation sleeve is fixedly arranged on the outer side of the heater, a placing cavity for placing a pipe heat insulation sleeve is arranged in the water conveying sleeve, and the connecting position of the water conveying sleeve and the heat insulation sleeve is far away from the heat insulation sleeve and is close to one end of a nozzle head gate.
Description
Technical Field
The utility model relates to the technical field of injection molding, in particular to a novel hot nozzle.
Background
The hot nozzle (also called hot nozzle) of the injection mold refers to a hot runner, and a heating assembly used in the injection mold for injecting melted plastic into a cavity of the mold is composed of a hot runner plate, a nozzle, a temperature controller, auxiliary parts and the like.
When the existing hot nozzle is used for injection molding operation, the temperature distribution in the hot nozzle is not uniform enough, so that the condition that a pouring gate is whitened easily after injection molding is performed, and the quality of injection molding finished products is affected.
Disclosure of utility model
The utility model aims to provide a novel hot nozzle which is used for solving the problems that the prior hot nozzle is not uniform enough in temperature distribution during injection molding operation, so that the condition of white pouring gate easily occurs after injection molding and the quality of injection molding finished products is affected.
In order to achieve the above object, the present utility model provides a novel heat nozzle comprising:
The valve needle is coaxially arranged in the nozzle head, one end of the nozzle head is provided with a positioning hole for the valve needle to extend out, and the other end of the nozzle head is provided with a positioning assembly for positioning and fixing the valve needle;
The heater is fixedly sleeved on the outer side of the nozzle head, and a placing groove for placing the heating copper pipe is formed in the heater;
The heat insulation sleeve is fixedly arranged on the outer side of the heater;
The water conveying sleeve is internally provided with a placing cavity for placing the pipe heat insulation sleeve, and the connecting position of the water conveying sleeve and the heat insulation sleeve is far away from one end of the heat insulation sleeve, which is close to the nozzle gate.
As a further scheme of the utility model, a heat insulating cap is fixedly arranged on one side of the nozzle head close to the pouring gate.
As a further scheme of the utility model, the positioning component is of a three-jaw positioning structure.
As a further scheme of the utility model, the water conveying sleeve is annular and is communicated with an independent water conveying pipe.
As a further scheme of the utility model, a plurality of heat insulation layers are arranged in the heat insulation sleeve.
As a further scheme of the utility model, the nozzle head is integrally processed and formed.
Compared with the prior art, the utility model ensures that the heating of the nozzle head is more uniform by optimizing the copper sleeve type heater, and simultaneously reduces the heat dissipation of the nozzle head by matching with the heat insulation sleeve, thereby greatly reducing the heat dissipation of the nozzle head, solving the problems that the temperature distribution in the existing hot nozzle is not uniform enough when the injection molding operation is carried out, the condition of white pouring gate easily occurs after the injection molding, and the quality of injection molding finished products is influenced.
Drawings
FIG. 1 is a schematic diagram of a novel nozzle according to the present utility model.
Fig. 2 is a schematic view of the structure of the nozzle of the present utility model.
Fig. 3 is a schematic structural view of the heater of the present utility model.
FIG. 4 is a schematic structural view of a sleeve according to the present utility model.
Fig. 5 is a schematic structural view of the water jacket of the present utility model.
In the accompanying drawings: 1. a nozzle head; 2. a valve needle; 3. a three-jaw positioning structure; 4. a heater; 5. a heat insulating sleeve; 6. carrying out water jacket; 7. heat insulation cap; 8. and an independent water conveying pipe.
Detailed Description
As shown in fig. 1, fig. 2 and fig. 3, in the embodiment of the utility model, the novel hot nozzle comprises a nozzle head 1, a heater 4, a heat insulation sleeve 5 and a water carrying sleeve 6, wherein a valve needle 2 is coaxially arranged in the nozzle head 1, one end of the nozzle head 1 is provided with a positioning hole for the valve needle 2 to extend out, the other end of the nozzle head is provided with a positioning component for positioning and fixing the valve needle 2, the heater 4 is fixedly sleeved on the outer side of the nozzle head 1, a placing groove for placing a heating copper pipe is formed in the heater, the heat insulation sleeve 5 is fixedly arranged on the outer side of the heater 4, a placing cavity for placing a pipe heat insulation sleeve 5 is formed in the water carrying sleeve 6, and the connecting position of the water carrying sleeve 6 and the heat insulation sleeve 5 is far away from the heat insulation sleeve 5 and is close to one end of a gate of the nozzle head 1.
As shown in fig. 1, in the embodiment of the present utility model, a heat insulating cap 7 is fixedly installed on one side of the nozzle 1 close to the gate, and the heat insulating cap 7 is made of an air-level special heat insulating material, so that the heat insulating performance is ensured, and meanwhile, the heat insulating performance is ensured, the heat insulating cap is not adhered to the cold material, and the cold material after injection molding is prevented from remaining in the heat insulating cap 7.
As shown in fig. 1, in the embodiment of the present utility model, the positioning assembly is a three-jaw positioning structure 3, where the three-jaw positioning structure 3 is a positioning clamping structure commonly used by machinery, and the three-jaw positioning structure is pressed and abutted against the circumferential side of the valve needle 2 by three groups of slidable positioning jaws, so as to realize clamping and fixing of the valve needle 2.
As shown in fig. 1 and fig. 5, in the embodiment of the present utility model, the water transporting sleeve 6 is annular and is communicated with the independent water transporting pipe 8, and in the present utility model, the independent water transporting pipe 8 transports cooling water into the water transporting sleeve 6, so as to realize the cooling operation of the water transporting sleeve 6.
As shown in fig. 1 and fig. 4, in the embodiment of the present utility model, a plurality of heat insulation layers are disposed in the heat insulation sleeve 5, and in the present utility model, the heat insulation layers are preferably made of heat insulation asbestos or other materials, and the heat insulation layers are matched, so that the heat insulation efficiency of the heat insulation sleeve 5 is greatly improved.
As shown in fig. 1 and 3, in the embodiment of the present utility model, the nozzle 1 is integrally formed, which is beneficial to precisely controlling the heating temperature.
By integrating the above, the copper sleeve type heater 4 is optimized, so that the heating of the nozzle head 1 is more uniform, and the heat dissipation of the nozzle head 1 is reduced by matching with the heat insulation sleeve 5, so that the heat dissipation of the nozzle head 1 is greatly reduced, and the problems that the temperature distribution in the conventional hot nozzle is not uniform enough when the injection molding operation is performed, the condition that a pouring gate is whitened easily after the injection molding, and the quality of injection molding finished products is influenced are solved.
Claims (6)
1. A novel hot nozzle, comprising:
The valve needle is coaxially arranged in the nozzle head, one end of the nozzle head is provided with a positioning hole for the valve needle to extend out, and the other end of the nozzle head is provided with a positioning assembly for positioning and fixing the valve needle;
The heater is fixedly sleeved on the outer side of the nozzle head, and a placing groove for placing the heating copper pipe is formed in the heater;
The heat insulation sleeve is fixedly arranged on the outer side of the heater;
The water conveying sleeve is internally provided with a placing cavity for placing the pipe heat insulation sleeve, and the connecting position of the water conveying sleeve and the heat insulation sleeve is far away from one end of the heat insulation sleeve, which is close to the nozzle gate.
2. The novel hot nozzle according to claim 1, wherein a heat insulating cap is fixedly arranged on one side of the nozzle head close to the pouring gate.
3. The novel nozzle of claim 1, wherein the positioning assembly is a three-jaw positioning structure.
4. A novel faucet according to claim 1, wherein the water jacket is annular in shape and communicates with the individual water pipes.
5. The novel heat nozzle according to claim 1, wherein a plurality of heat insulating layers are arranged in the heat insulating sleeve.
6. A novel thermal nozzle as defined in claim 1 wherein said nozzle tip is integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323060629.9U CN220995312U (en) | 2023-11-11 | 2023-11-11 | Novel hot nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323060629.9U CN220995312U (en) | 2023-11-11 | 2023-11-11 | Novel hot nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220995312U true CN220995312U (en) | 2024-05-24 |
Family
ID=91124550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323060629.9U Active CN220995312U (en) | 2023-11-11 | 2023-11-11 | Novel hot nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220995312U (en) |
-
2023
- 2023-11-11 CN CN202323060629.9U patent/CN220995312U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |