CN211105363U - Dedicated hot runner heat of high temperature material is chewed and is sealed gum cover - Google Patents
Dedicated hot runner heat of high temperature material is chewed and is sealed gum cover Download PDFInfo
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- CN211105363U CN211105363U CN201921049799.8U CN201921049799U CN211105363U CN 211105363 U CN211105363 U CN 211105363U CN 201921049799 U CN201921049799 U CN 201921049799U CN 211105363 U CN211105363 U CN 211105363U
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Abstract
The utility model discloses a dedicated hot runner heat of high temperature material is chewed and is sealed gum cover: the hot nozzle comprises a hot nozzle body, a hot nozzle outlet and a sealing adhesive sleeve main body, wherein the hot nozzle outlet is positioned below the hot nozzle body, the sealing adhesive sleeve main body is sleeved outside the hot nozzle outlet, the top end of the sealing adhesive sleeve is positioned on the outer wall of the hot nozzle outlet, the distance from the top end of the sealing adhesive sleeve to the hot nozzle outlet is 1/3-2/3 of the radius of the hot nozzle, the sealing adhesive sleeve main body and the hot nozzle outlet form an adhesive breaking position, and the distance from the adhesive breaking position to the hot nozzle body is 1/4-3/4 of the radius of the hot nozzle body. Use the utility model discloses, because seal the gum cover main part and chew the export with heat and form the distance of gluing the position absolutely and chew radial 1/3-2/3 for heat, be very close the heat and chew the main part, the heat that the main part was chewed to the heat can transmit to be located the hot melt adhesive of gluing the position absolutely, ensures the hot melt adhesive and glues the temperature of position absolutely for the too early refrigerated problem of hot melt adhesive can be avoided.
Description
Technical Field
The utility model relates to a hot runner technical field, in particular to hot runner heat is chewed and is sealed gum cover, especially a dedicated hot runner heat of high temperature material is chewed and is sealed gum cover.
Background
Hot Runner (Hot Runner Systems) is a system of heating assemblies used in injection molds to inject molten plastic pellets into the mold cavity. The hot runner mold is a new structure in which the runner and the runner of the conventional mold or the three-plate mold are heated, and the runner do not need to be taken out for each molding. The hot runner ensures that the plastic of the runner and the sprue is kept in a molten state by a heating method. Because the heating rod and the heating ring are arranged near or in the center of the runner, the whole runner from the nozzle outlet of the injection molding machine to the sprue is in a high-temperature state, so that plastics in the runner are kept molten, the runner does not need to be opened to take out the solidified materials after the machine is stopped, and the runner is heated to the required temperature when the machine is started again.
However, in the prior art, the flow of the hot melt adhesive is affected due to the fact that the hot melt adhesive is cooled too early at the adhesive breaking position of the outlet of the hot nozzle, and therefore adverse effects are caused on production efficiency and product quality.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a dedicated hot runner heat of high temperature material is chewed and is sealed the gum cover, should seal the gum cover and imitate and avoid the too early cooling of hot melt adhesive, ensure product quality.
In order to solve the technical problem, the utility model discloses a technical scheme does:
a hot runner hot nozzle sealing sleeve special for high-temperature materials comprises: the hot nozzle comprises a hot nozzle body, a hot nozzle outlet and a sealing adhesive sleeve main body, wherein the hot nozzle outlet is positioned below the hot nozzle body, the sealing adhesive sleeve main body is sleeved outside the hot nozzle outlet, the top end of the sealing adhesive sleeve is positioned on the outer wall of the hot nozzle outlet, the distance from the top end of the sealing adhesive sleeve to the hot nozzle outlet is 1/3-2/3 of the radius of the hot nozzle, the sealing adhesive sleeve main body and the hot nozzle outlet form an adhesive breaking position, and the distance from the adhesive breaking position to the hot nozzle body is 1/4-3/4 of the radius of the hot nozzle body.
Preferably, the distance between the glue breaking position and the hot nozzle body is 1/4-1/2 of the radius of the hot nozzle body.
More preferably, the distance between the glue breaking position and the hot nozzle body is 1/2 of the radius of the hot nozzle body.
More preferably, the distance from the top end of the sealing sleeve to the outlet of the heat nozzle is 1/2 of the radius of the heat nozzle.
The glue breaking point is close to the hot nozzle body and is not easy to cool.
By adopting the technical scheme, the distance between the glue breaking position formed by the glue sealing sleeve main body and the hot nozzle outlet is 1/3-2/3 of the radius of the hot nozzle, the glue sealing sleeve main body is very close to the hot nozzle main body, the heat of the hot nozzle main body can be transferred to the hot melt glue positioned at the glue breaking position, the temperature of the hot melt glue at the glue breaking position is ensured, and the problem of premature cooling of the hot melt glue is avoided.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, 1-a hot nozzle body, 2-a hot nozzle outlet, 3-a sealing sleeve main body, 21-a glue breaking position and 31-a sealing sleeve top end.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1, the utility model provides a dedicated hot runner hot nozzle of high temperature material seals gum cover: including hot nozzle body 1, hot nozzle export 2 and seal gum cover main part 3, hot nozzle export 2 is located the below that hot nozzle body 1, seals gum cover main part 3 cover outside hot nozzle export 2, seals gum cover top 31 and is located hot nozzle export 2 outer wall, seals gum cover top 31 and is higher than the distance that hot nozzle export 2 and chew radial 1/2 for the heat, seals gum cover main part 3 and hot nozzle export 2 and forms disconnected gluey position 21, and disconnected gluey position 21 and the distance that hot nozzle body 1 chew body 1 are the radial 1/2 of hot nozzle body 1.
During the production operation, because it chews export 2 and forms the distance of disconnected gluey position 21 for the heat to seal glue cover main part 31 and heat and chews radial 1/2, be very close to heat and chew main part 1, when the hot melt adhesive chews export 2 from heat that main part 1 flows to heat, the heat of hot chewing main part 1 can be transmitted to the hot melt adhesive that is located disconnected gluey position 21, ensure the temperature of hot melt adhesive at disconnected gluey position, make the too early refrigerated problem of hot melt adhesive can avoid, avoid the heat to chew export jam, and the production efficiency is improved.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (4)
1. The utility model provides a dedicated hot runner heat of high temperature material is chewed and is sealed gum cover which characterized in that: the hot nozzle comprises a hot nozzle body, a hot nozzle outlet and a sealing adhesive sleeve main body, wherein the hot nozzle outlet is positioned below the hot nozzle body, the sealing adhesive sleeve main body is sleeved outside the hot nozzle outlet, the top end of the sealing adhesive sleeve is positioned on the outer wall of the hot nozzle outlet, the distance from the top end of the sealing adhesive sleeve to the hot nozzle outlet is 1/3-2/3 of the radius of the hot nozzle, the sealing adhesive sleeve main body and the hot nozzle outlet form an adhesive breaking position, and the distance from the adhesive breaking position to the hot nozzle body is 1/4-3/4 of the radius of the hot nozzle body.
2. The special hot runner hot nozzle sealing sleeve for the high-temperature material as claimed in claim 1, wherein: the distance between the glue breaking position and the hot nozzle body is 1/4-1/2 of the radius of the hot nozzle body.
3. The special hot runner hot nozzle sealing sleeve for the high-temperature material as claimed in claim 2, wherein: the distance between the glue breaking position and the hot nozzle body is 1/2 of the radius of the hot nozzle body.
4. The special hot runner hot nozzle sealing sleeve for the high-temperature material as claimed in claim 3, wherein: the distance from the top end of the sealing adhesive sleeve to the outlet of the heat nozzle is 1/2 of the radius of the heat nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921049799.8U CN211105363U (en) | 2019-07-05 | 2019-07-05 | Dedicated hot runner heat of high temperature material is chewed and is sealed gum cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921049799.8U CN211105363U (en) | 2019-07-05 | 2019-07-05 | Dedicated hot runner heat of high temperature material is chewed and is sealed gum cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211105363U true CN211105363U (en) | 2020-07-28 |
Family
ID=71689270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921049799.8U Active CN211105363U (en) | 2019-07-05 | 2019-07-05 | Dedicated hot runner heat of high temperature material is chewed and is sealed gum cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211105363U (en) |
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2019
- 2019-07-05 CN CN201921049799.8U patent/CN211105363U/en active Active
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