CN207772316U - A kind of hot nozzle heating rod of hot runner system - Google Patents
A kind of hot nozzle heating rod of hot runner system Download PDFInfo
- Publication number
- CN207772316U CN207772316U CN201820076089.3U CN201820076089U CN207772316U CN 207772316 U CN207772316 U CN 207772316U CN 201820076089 U CN201820076089 U CN 201820076089U CN 207772316 U CN207772316 U CN 207772316U
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- China
- Prior art keywords
- shell
- hot
- mold insert
- runner
- resistance wire
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Abstract
The utility model discloses a kind of hot nozzle heating rods of hot runner system, include runner mold insert, shell, magnesia powder and resistance wire, runner mold insert is cylindrical and central shaft upper end is provided with runner, outer cover suit is in runner mold insert upper end, and the inner wall of shell and the outer wall of runner mold insert form liner in a curved state, magnesia powder is installed in liner, and around equipped with resistance wire, resistance wire upper end is connected with the lead-out wire for being set to housing outward end, and it is set to the upper end of liner, lead-out wire is connect through the lead wire outlet of shell upper end setting with resistance wire.The utility model has novel design, heat transfer effect good, and thermal loss is few, compact-sized, the advantages of saving hot flow path space, saved entire die cost.
Description
Technical field
The utility model is related to the hot nozzle heating rods of injection mold technology more particularly to a kind of hot runner system.
Background technology
Currently, plastic mould hot runner industry, the heating bar in hot runner mould system is generally common heating stick, commonly
The barred body of heating rod is made of stainless steel casing, resistance wire is equipped in stainless steel casing, resistance wire is along wall circular in stainless steel
Coiling forms, but is not contacted with inner wall, and rest part is all filled by the magnesia powder of high compression；Only due to heating rod itself
Heating functioin is played, needs to use in the template or hot nozzle being inserted into hot runner system, the heat of hot runner system is caused to pass
Pass ineffective, thermal loss is bigger；And template or hot nozzle need to reserve certain space to it, lead to entire hot flow path
System is larger.
Utility model content
The purpose of this utility model is that providing a kind of hot nozzle heating of hot runner system in view of the deficiencies of the prior art
Stick, the hot nozzle heating rod novel design of the hot runner system, heat transfer effect are good, and thermal loss is few, compact-sized, save
Hot flow path space, has saved entire die cost.
In order to achieve the above objectives, the utility model is achieved through the following technical solutions.
A kind of hot nozzle heating rod of hot runner system, includes runner mold insert, shell, magnesia powder and resistance wire, runner
Mold insert is cylindrical and central shaft upper end is provided with runner, outer cover suit in runner mold insert upper end, and the inner wall of shell with
The outer wall of runner mold insert forms liner in a curved state, and magnesia powder is installed in liner, and around equipped with resistance wire, on resistance wire
End is connected with the lead-out wire for being set to housing outward end, and is set to the upper end of liner, and lead-out wire is arranged through shell upper end
Lead wire outlet connect with resistance wire.
Wherein, runner mold insert lower end is provided with conical head.
Wherein, the shell lower end setting is in the shell head of eight shape.
Wherein, the material of the shell is stainless steel material.
The beneficial effects of the utility model are：A kind of hot nozzle heating rod of hot runner system described in the utility model, packet
Runner mold insert, shell, magnesia powder and resistance wire are included, runner mold insert is cylindrical and central shaft upper end is provided with stream
Road, outer cover suit is in runner mold insert upper end, and the inner wall of shell and the outer wall of runner mold insert form liner in a curved state, aoxidize
Magnesium powder is installed in liner, and around equipped with resistance wire, resistance wire upper end is connected with the lead-out wire for being set to housing outward end, and sets
It is placed in the upper end of liner, lead-out wire is connect through the lead wire outlet of shell upper end setting with resistance wire.The utility model passes through electricity
Resistance silk annular is wound on the liner of shell but is not contacted with shell, and liner rest part is stuffed entirely with the magnesia powder of high compression,
Apply ambient pressure to case surface, them is made to form an entirety, for resistance wire close to runner mold insert, heat transmits fast, heat loss
It is small；And hot nozzle heating rod is compact-sized, had not only saved system space but also had saved cost；Therefore the utility model has design new
Grain husk, heat transfer effect are good, and thermal loss is few, compact-sized, save hot flow path space, have saved entire die cost
Advantage.
Description of the drawings
The utility model is further detailed below with attached drawing, but the embodiment in attached drawing is not constituted pair
Any restrictions of the utility model.
Fig. 1 is the structural schematic diagram of the utility model section view.
Include in Fig. 1：
1 --- runner mold insert 11 --- runner
12 --- conical head 2 --- shells
21 --- liner 22 --- lead wire outlet
23 --- shell head 3 --- magnesia powders
4 --- resistance wire 41 --- lead-out wires.
Specific implementation mode
The utility model is illustrated with reference to specific embodiment.
As shown in Figure 1, a kind of hot nozzle heating rod of hot runner system, includes runner mold insert 1, shell 2, magnesia powder 3
And resistance wire 4, runner mold insert 1 is cylindrical and central shaft upper end is provided with runner 11, and shell 2 is set in runner mold insert 1
Upper end, and the inner wall of shell 2 and the outer wall of runner mold insert 1 form liner 21 in a curved state, magnesia powder 3 is installed in liner 21
It is interior, and around equipped with resistance wire 4,4 upper end of resistance wire is connected with the lead-out wire 41 for being set to 2 outer end of shell, and is set to liner
21 upper end, lead-out wire 41 are connect through the lead wire outlet 22 of 2 upper end of shell setting with resistance wire 4.
Further, 1 lower end of runner mold insert is provided with conical head 12.
Further, the setting of 2 lower end of the shell is in the shell head 23 of eight shape.
Preferred as the present embodiment, the material of the shell 2 is stainless steel material.
Need to further explain, the utility model by 4 annular of resistance wire be wound on shell 2 liner 21 but not with shell
Contact, 2 rest part of liner are stuffed entirely with the magnesia powder 3 of high compression, apply ambient pressure to 2 surface of shell, make them
An entirety is formed, resistance wire 4 transmits soon close to runner mold insert 1, heat, and heat loss is small；And hot nozzle heating rod is compact-sized, both
It has saved system space and has saved cost again；Therefore the utility model has novel design, heat transfer effect good, and thermal loss
It is few, it is compact-sized, the advantages of saving hot flow path space, saved entire die cost.
The above content is only the preferred embodiment of the utility model, for those of ordinary skill in the art, according to this reality
With novel thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as
Limitations of the present invention.
Claims (4)
1. a kind of hot nozzle heating rod of hot runner system, it is characterised in that：It include runner mold insert（1）, shell（2）, magnesia
Powder（3）And resistance wire（4）, runner mold insert（1）It is cylindrical and central shaft upper end is provided with runner（11）, shell（2）Set
Loaded on runner mold insert（1）Upper end, and shell（2）Inner wall and runner mold insert（1）Outer wall form liner in a curved state（21）,
Magnesia powder（3）It is installed in liner（21）It is interior, and around equipped with resistance wire（4）, resistance wire（4）Upper end, which is connected with, is set to shell
（2）The lead-out wire of outer end（41）, and it is set to liner（21）Upper end, lead-out wire（41）Through shell（2）Upper end setting
Lead wire outlet（22）With resistance wire（4）Connection.
2. a kind of hot nozzle heating rod of hot runner system according to claim 1, it is characterised in that：The runner mold insert
（1）Lower end is provided with conical head（12）.
3. a kind of hot nozzle heating rod of hot runner system according to claim 1, it is characterised in that：The shell（2）Under
End set is in the shell head of eight shape（23）.
4. a kind of hot nozzle heating rod of hot runner system according to claim 1, it is characterised in that：The shell（2）'s
Material is stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820076089.3U CN207772316U (en) | 2018-01-17 | 2018-01-17 | A kind of hot nozzle heating rod of hot runner system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820076089.3U CN207772316U (en) | 2018-01-17 | 2018-01-17 | A kind of hot nozzle heating rod of hot runner system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207772316U true CN207772316U (en) | 2018-08-28 |
Family
ID=63213151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820076089.3U Active CN207772316U (en) | 2018-01-17 | 2018-01-17 | A kind of hot nozzle heating rod of hot runner system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207772316U (en) |
-
2018
- 2018-01-17 CN CN201820076089.3U patent/CN207772316U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |