CN209971397U - Hot runner heat preservation system - Google Patents
Hot runner heat preservation system Download PDFInfo
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- CN209971397U CN209971397U CN201920300440.7U CN201920300440U CN209971397U CN 209971397 U CN209971397 U CN 209971397U CN 201920300440 U CN201920300440 U CN 201920300440U CN 209971397 U CN209971397 U CN 209971397U
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- hot runner
- heat
- heat preservation
- runner body
- heat insulation
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Abstract
The utility model discloses a hot runner heat preservation system, include: the hot runner assembly comprises a hot runner body and a heat insulation plate arranged on at least one outer surface of the hot runner body; will be heat preservation casing including hot runner assembly parcel is provided with the mounting in the heat preservation casing, and hot runner assembly passes through the mounting is fixed in the heat preservation casing, relates to injection moulding equipment field. The utility model discloses greatly reduced the inside calorific loss who causes because of conduction heat dissipation and convection heat dissipation of hot runner body, had good heat-proof quality, can make the plastic melt keep molten state well in the hot runner, be favorable to injection moulding processing afterwards, can improve production machining efficiency, and the utility model discloses a hot runner heat preservation system simple structure, strong adaptability is applicable in all kinds of injection moulding systems, has reduced manufacturing cost.
Description
Technical Field
The utility model relates to an injection moulding equipment field specifically is to relate to a hot runner heat preservation system.
Background
The injection molding is a main molding method of plastics and is characterized by fast production speed, high efficiency, automatic operation, strong processing adaptability to various plastics, capability of molding injection products with complex shapes and accurate sizes, easy updating and wide application field. In the hot runner system of the existing injection molding equipment, plastic melt enters the hot runner system from a nozzle of an injection molding machine and then is injected into a cavity plate through the hot nozzle.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of above-mentioned background art, provide a simple structure, keep warm effectual hot runner heat preservation system.
The utility model provides a hot runner heat preservation system, include:
the hot runner assembly comprises a hot runner body and a heat insulation plate arranged on at least one outer surface of the hot runner body;
and the heat-insulation shell is used for wrapping the hot runner assembly, a fixing part is arranged in the heat-insulation shell, and the hot runner assembly is fixed in the heat-insulation shell through the fixing part.
On the basis of the technical scheme, a gasket is further arranged between the hot runner body and the heat insulation plate.
On the basis of the technical scheme, the quantity of the gaskets is multiple, and the multiple gaskets are evenly arranged along the length direction of the hot runner body at intervals.
On the basis of the technical scheme, the gasket is a ceramic gasket.
On the basis of the technical scheme, a heat insulation plate is arranged on one outer surface of the hot runner body and is positioned on the lower surface of the hot runner body.
On the basis of the technical scheme, the lower surface and four side surfaces of the hot runner body are provided with heat insulation plates.
On the basis of the technical scheme, the size of the heat insulation plate is matched with the size of the outer surface of the hot runner body corresponding to the heat insulation plate.
Compared with the prior art, the utility model has the advantages as follows:
the utility model discloses a hot runner heat preservation system is provided with the heat preservation casing including wrapping up the hot runner body to set up the heat insulating board at hot runner body surface, isolated hot runner body and external environment, greatly reduced the inside calorific loss who causes because of conduction heat dissipation and convection heat dissipation of hot runner body, have good heat-proof quality, can make plastic melt keep the molten state well in the hot runner, be favorable to injection moulding processing afterwards, can improve production machining efficiency, and the utility model discloses a hot runner heat preservation system simple structure, strong adaptability, applicable in all kinds of injection moulding systems, reduced manufacturing cost.
Drawings
Fig. 1 is a schematic view of the overall structure of a hot runner thermal insulation system according to an embodiment of the present invention;
fig. 2 is a simplified structural cross-sectional view of a hot runner thermal insulation system according to an embodiment of the present invention.
Reference numerals: 1-hot runner body, 2-heat preservation casing, 21-mounting, 3-heat insulating board, 4-gasket.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 and 2, an embodiment of the present invention provides a hot runner thermal insulation system, including:
the hot runner assembly comprises a hot runner body 1 and a heat insulation plate 3 arranged on at least one outer surface of the hot runner body 1;
and the heat-insulating shell 2 is used for wrapping the hot runner assembly, a fixing part 21 is arranged in the heat-insulating shell 2, and the hot runner assembly is fixed in the heat-insulating shell 2 through the fixing part 21.
The utility model discloses a hot runner heat preservation system is provided with heat preservation casing 2 including wrapping up hot runner body 1 to set up heat insulating board 3 at hot runner body 1 surface, isolated hot runner body 1 and external environment, greatly reduced the heat loss that hot runner body 1 is inside to cause because of conduction heat dissipation and convection heat dissipation, have good heat-proof quality, can make the plastic melt keep the molten state well in the hot runner, be favorable to injection moulding processing afterwards, can improve production machining efficiency, and the utility model discloses a hot runner heat preservation system simple structure, strong adaptability is applicable in all kinds of injection moulding systems, has reduced manufacturing cost.
In this embodiment, preferably, a gasket 4 is further disposed between the hot runner body 1 and the heat insulation plate 3; be provided with gasket 4 between hot runner body 1 and heat insulating board 3, can avoid hot runner body 1 and heat insulating board 3 direct contact, further reduce the calorific loss who brings because of the conduction heat dissipation to concentrate on hot runner body 1 peripheral region by the heat that distributes out in hot runner body 1 through heat insulating board 3, reduce its radiating effect and cooling time to the at utmost.
In this embodiment, preferably, the number of the spacers 4 is multiple, and the multiple spacers 4 are uniformly arranged at intervals along the length direction of the hot runner body 1; set up a plurality of gaskets 4 to make it evenly set up in interval between hot runner body 1 and heat insulating board 4, reduced selecting for use and laying the requirement of gasket 4, also reduced the hot runner insulation system's of this embodiment manufacturing cost and the degree of difficulty exactly, be favorable to the utility model discloses a popularization and application.
In this embodiment, it is preferable that the gasket 4 is a ceramic gasket; the ceramic gasket is made of non-brittle materials, has high strength and accurate size, can be made into various shapes according to different use requirements, has good fire-resistant and heat-insulating effects, is tough in texture, strong in wind erosion resistance, seamless furnace lining, low in heat storage and less in heat loss, can be directly contacted with a flame hot surface, and has the characteristics of excellent construction and installation performance, excellent thermal shock resistance, high compressive strength, long service life, remarkable sound-absorbing effect and the like.
In this embodiment, preferably, a heat insulation plate 3 is disposed on an outer surface of the hot runner body 1, and the heat insulation plate 3 is located on a lower surface of the hot runner body 1, as shown in fig. 2, the heat insulation plate may be disposed only on a surface where heat loss inside the hot runner body 1 is significant, so as to reduce production cost; in other embodiments, such as the application where the hot runner body 1 has a high thermal insulation requirement, the thermal insulation plates 3 are disposed on the lower surface and four side surfaces of the hot runner body 1, so as to improve the thermal insulation effect of the hot runner thermal insulation system of the present invention.
In the embodiment, the size of the heat insulation plate 3 is preferably matched with the size of the outer surface of the hot runner body 1 corresponding to the heat insulation plate; the size of the heat insulation plate 3 is matched with the size of the outer surface of the hot runner body 1 corresponding to the heat insulation plate 3, namely, the size of the heat insulation plate 3 arranged on the left surface and the right surface of the hot runner body 1 is equal to the width and the height of the hot runner body 1, the size of the heat insulation plate 3 arranged on the front surface and the back surface of the hot runner body 1 is equal to the length and the height of the hot runner body 1, the size of the heat insulation plate 3 arranged on the upper surface and the lower surface of the hot runner body 1 is equal to the length and the width of the hot runner body 1, good heat insulation effect is ensured, meanwhile, the area of useless.
In the injection molding production process, the injection molding is divided into thermoplastic molding and thermosetting molding, and in the thermoplastic molding process, the temperature of the hot runner is higher than that of the mold, so that the heat-preserving system for the hot runner greatly reduces the temperature transfer between the hot runner and the mold, and plays a role in preserving heat for the hot runner; in the thermosetting forming process, the hot runner temperature is less than the mould temperature, can use equally the utility model discloses a hot runner heat preservation system reduces the temperature transmission between hot runner and the mould in a large number, plays thermal-insulated effect to the hot runner.
Various modifications and variations of the embodiments of the present invention may be made by those skilled in the art, and they are within the scope of the present invention provided they are within the scope of the claims and their equivalents.
What is not described in detail in the specification is prior art that is well known to those skilled in the art.
Claims (7)
1. A hot runner thermal insulation system, comprising:
the hot runner assembly comprises a hot runner body (1) and a heat insulation plate (3) arranged on at least one outer surface of the hot runner body (1);
and the hot runner assembly is wrapped in the heat insulation shell (2), a fixing piece (21) is arranged in the heat insulation shell (2), and the hot runner assembly is fixed in the heat insulation shell (2) through the fixing piece (21).
2. The hot runner thermal insulation system of claim 1, wherein: and a gasket (4) is also arranged between the hot runner body (1) and the heat insulation plate (3).
3. The hot runner thermal insulation system of claim 2, wherein: the quantity of gasket (4) is a plurality of, and a plurality of gaskets (4) evenly set up along hot runner body (1) length direction interval.
4. The hot runner thermal insulation system of claim 2, wherein: the gasket (4) is a ceramic gasket.
5. The hot runner thermal insulation system of claim 1, wherein: a heat insulation plate (3) is arranged on one outer surface of the hot runner body (1), and the heat insulation plate (3) is located on the lower surface of the hot runner body (1).
6. The hot runner thermal insulation system of claim 1, wherein: and the lower surface and four side surfaces of the hot runner body (1) are provided with heat insulation plates (3).
7. The hot runner thermal insulation system of claim 1, wherein: the size of the heat insulation plate (3) is matched with the size of the outer surface of the hot runner body (1) corresponding to the heat insulation plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920300440.7U CN209971397U (en) | 2019-03-08 | 2019-03-08 | Hot runner heat preservation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920300440.7U CN209971397U (en) | 2019-03-08 | 2019-03-08 | Hot runner heat preservation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209971397U true CN209971397U (en) | 2020-01-21 |
Family
ID=69254229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920300440.7U Active CN209971397U (en) | 2019-03-08 | 2019-03-08 | Hot runner heat preservation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209971397U (en) |
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2019
- 2019-03-08 CN CN201920300440.7U patent/CN209971397U/en active Active
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