CN209566452U - A kind of hot runner system of double-layer channel - Google Patents
A kind of hot runner system of double-layer channel Download PDFInfo
- Publication number
- CN209566452U CN209566452U CN201821511478.0U CN201821511478U CN209566452U CN 209566452 U CN209566452 U CN 209566452U CN 201821511478 U CN201821511478 U CN 201821511478U CN 209566452 U CN209566452 U CN 209566452U
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- CN
- China
- Prior art keywords
- runner
- mold insert
- glass copper
- hot
- copper mouth
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Abstract
The utility model relates to Hot runner Technology fields, and in particular to a kind of hot runner system of double-layer channel, the hot runner system of the double-layer channel include runner plate and the hot mouth that is mounted on runner plate；The runner plate includes runner plate main body and the first mold insert being mounted in runner plate main body, the second mold insert and third mold insert；The hot mouth includes glass copper mouth body, the wolfram steel inner tube being arranged in glass copper mouth body and covers the heating shell outside glass copper mouth body.Runner plate uses insert structure, round and smooth runner is processed inside mold insert, the pressure loss is small when injection, and the processing is simple, and hot mouth uses multilayered structure, the innermost layer for contacting molten plastic fluid uses the best wolfram steel inner tube of wear-resisting property, secondary outer layer uses the glass copper mouth body of good heat conductivity, and the temperature of heating wire can be uniformly transferred in wolfram steel inner tube, be that wolfram steel inner tube is heated evenly, it is effectively prevent the generation of wire drawing, to directly promote the quality of injecting products.
Description
Technical field
The utility model relates to Hot runner Technology fields, and in particular to a kind of hot runner system of double-layer channel.
Background technique
Hot flow path is to guarantee that the plastics of runner and cast gate are kept molten by by the method for heating, hot runner system one
As be made of several parts such as hot nozzle, flow distribution plate, temperature control box and attachment, hot nozzle generally comprises two kinds: open hot nozzle and
Needle valve type hot nozzle since hot nozzle form directly determines that hot runner system selects the manufacture with mold, thus often accordingly will
Hot runner system is divided into open hot runner system and needle valve type hot runner system.
Existing open hot runner system has the following problems: the runner processing inside runner plate is difficult, and elbow adds
Work is coarse, causes to lose pressure when injection, hot mouth is easy uneven heating, generates so as to cause the case where wire drawing, disadvantage mentioned above is led
Cause the poor quality of injecting products.
Utility model content
Above-mentioned to solve the problems, such as, the utility model provides a kind of hot runner system of double-layer channel, to promote note
The quality of production of molding product.
A kind of hot runner system of double-layer channel, including runner plate and the hot mouth being mounted on runner plate；The runner plate
Including runner plate main body and the first mold insert being mounted in runner plate main body, the second mold insert and third mold insert；The hot mouth packet
Glass copper mouth body is included, the wolfram steel inner tube being arranged in glass copper mouth body and covers the heating shell outside glass copper mouth body.
Further scheme as the utility model: the runner plate further includes being arranged in runner plate main body upper and lower surfaces
Annular groove, heating wire in a ring groove is installed, and be horizontally set on the first runner and of runner plate body interior
Two runners, first runner and the second runner are in the same vertical plane, and the first runner is in the second runner
Top.
Further scheme as the utility model: first mold insert, the second mold insert and third mold insert are outer dimension
Identical three cylindrical bodies are provided with the first elbow in first mold insert, the second elbow are provided in the second mold insert, and
Third elbow is provided in three mold inserts, first elbow is L-shaped, the second runner of one end horizontal connection, and the other end is vertical
It is connected to the outside of runner plate；The third elbow is identical with the structure of the first elbow, and second elbow is in herringbone,
Its lambdoid head connects the first runner, and lambdoid two feet are connected to the second runner.
Further scheme as the utility model: the center of top of first mold insert, the second mold insert and third mold insert
It is provided with screw hole, mold insert fixing piece is fixed on the first mold insert, the second mold insert and third mold insert by the cooperation of screw and screw hole
Top；The cross section of the mold insert fixing piece is H-shaped, the diameter of mold insert is had a diameter larger than, when entire runner plate is mounted on mould
When in tool, play the role of fixing the first mold insert, the second mold insert and third mold insert.
Further scheme as the utility model: the hot mouth further includes the heating wire being arranged on heating shell；With
And the retainer plate being fixed on glass copper mouth for shell will to be heated.
Further scheme as the utility model: as cylinder, one end collapses to be formed to the center of circle glass copper mouth
Truncated cone-shaped, and through-hole is provided in the axial direction of glass copper mouth body, the through-hole is in concentric distribution, the wolfram steel inner tube with glass copper mouth body
It is arranged in through-hole, is connected through a screw thread between the wolfram steel inner tube and glass copper mouth body, fills silicone grease in the gap of screw thread；It is described
The center of wolfram steel inner tube is runner, and runner with glass copper mouth body is concentric is distributed, i.e., the center of circle in the center of circle of runner and glass copper mouth body weighs
It closes, the entrance of the runner is corresponding with the outlet port of the first elbow or third elbow.
Further scheme as the utility model: the other end of the glass copper mouth body is provided with shoulder, the shoulder and glass copper
For mouth as integral structure, the position on the shoulder close to glass copper mouth body is provided with circular groove, the width of the circular groove with
The thickness for heating shell is identical.
Further scheme as the utility model: the outside of glass copper mouth body is arranged in the heating shell, and end is inserted
Enter in the circular groove, the position of circular groove is provided with annular projection on the heating shell, and when cyclic annular convex
When rising with shoulder grafting touching, the end for heating shell just contacts or not in contact with the bottom for arriving circular groove；The heating wire is in
Heating shell is helically disposed at close to the side of glass copper mouth body, the heating wire is evenly distributed on heating shell.
Further scheme as the utility model: the retainer plate is fixed by bolt and glass copper mouth body, close to add
Vacancy corresponding with annular projection is arranged in the side of hot shell, is arranged in the vacancy and has elastic component, the elastic element is
Spring or hardware elastic slice, can compress annular projection when retainer plate is installed by elastic element makes heating shell be fastened on glass copper mouth body
On.
The utility model has the beneficial effects that the runner plate of the utility model uses insert structure, processed inside mold insert
Round and smooth runner, the pressure loss is small when injection, and the processing is simple, and hot mouth uses multilayered structure, contact molten plastic fluid
Innermost layer uses the best wolfram steel inner tube of wear-resisting property, and secondary outer layer uses the glass copper mouth body of good heat conductivity, can will be electric
The temperature of heated filament is uniformly transferred in wolfram steel inner tube, is that wolfram steel inner tube is heated evenly, the generation of wire drawing is effectively prevent, thus directly
Promotion injecting products quality.
Detailed description of the invention
Fig. 1 is a kind of cross-sectional view of the hot runner system of double-layer channel of the utility model.
Fig. 2 is the cross-sectional view of the utility model runner plate.
Fig. 3 is the cross-sectional view of the utility model hot mouth.
In figure: 100- runner plate；110- runner plate main body；111- heating wire；112- annular groove；The second runner of 113-；
The first runner of 114-；The first mold insert of 120-；The first elbow of 121-；The second mold insert of 130-；The second elbow of 131-；140- third edge
Part；141- third elbow；150- screw hole；160- mold insert fixing piece；200- hot mouth；201- wolfram steel inner tube；202- glass copper mouth body；
203- heats shell；204- heating wire；205- annular protrusion；206- retainer plate；207- cable hole.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
As shown in Figure 1-Figure 3, a kind of hot runner system of double-layer channel, including runner plate 100 and it is mounted on runner plate 100
On hot mouth 200；The runner plate 100 includes runner plate main body 110 and the first mold insert being mounted in runner plate main body 100
120, the second mold insert 130 and third mold insert 140；The hot mouth 200 includes glass copper mouth body 202, is arranged in glass copper mouth body 202
Wolfram steel inner tube 201 and cover the heating shell 203 outside glass copper mouth body 202.
The runner plate 100 further includes the annular groove 112 that 110 upper and lower surfaces of runner plate main body are arranged in, and is mounted on ring
Heating wire 111 in shape slot, and it is horizontally set on the first runner 114 and the second runner inside runner plate main body 110
113, first runner 114 and the second runner 113 are in the same vertical plane, and the first runner 114 is at second point
The top of runner 113.
First mold insert 120, the second mold insert 130 and third mold insert 140 are identical three cylinders of outer dimension
Body is provided with the first elbow 121 in first mold insert 120, the second elbow 131, third mold insert is provided in the second mold insert 130
Third elbow 141 is provided in 140, first elbow 121 is L-shaped, the second runner of one end horizontal connection 113, another
End is connected to the outside of runner plate 100 vertically；The third elbow 141 is identical with the structure of the first elbow 121, and described
Double section belt arm 131 is in herringbone, and lambdoid head connects the first runner 114, and lambdoid two feet are connected to second point
Runner 113.
The center of top of first mold insert 120, the second mold insert 130 and third mold insert 140 is provided with screw hole 150, edge
Part fixing piece 160 is fixed on the first mold insert 120, the second mold insert 130 and third mold insert 140 by the cooperation of screw and screw hole 150
Top；The cross section of the mold insert fixing piece is H-shaped, the diameter of mold insert is had a diameter larger than, when entire runner plate is mounted on mould
When in tool, play the role of fixing the first mold insert 120, the second mold insert 130 and third mold insert 140.
The hot mouth 200 further includes the heating wire 204 being arranged on heating shell 203；And for shell 203 will to be heated
The retainer plate 206 being fixed on glass copper mouth body 202.
The glass copper mouth body 202 is cylinder, and one end collapses to form truncated cone-shaped to the center of circle, and the axis of glass copper mouth body 202
Through-hole is set up, the through-hole is in concentric distribution with glass copper mouth body 202, and the wolfram steel inner tube 201 is arranged in through-hole, institute
It states and is connected through a screw thread between wolfram steel inner tube 201 and glass copper mouth body 202, fill silicone grease in the gap of screw thread；The wolfram steel inner tube
201 center is runner, and the center of circle of runner and the concentric distribution of glass copper mouth body 202, the i.e. center of circle of runner and glass copper mouth body 202 is heavy
It closes, the entrance of the runner is corresponding with the outlet port of the first elbow 121 or third elbow 141.
The other end of the glass copper mouth body 202 is provided with shoulder, and the shoulder and glass copper mouth body 202 are structure as a whole, the shoulder
The upper position close to glass copper mouth body 202 is provided with circular groove, the thickness phase of the width and heating shell 203 of the circular groove
Together.
The outside of glass copper mouth body 202 is arranged in the heating shell 203, and end is inserted into the circular groove, institute
It states and the position of circular groove is provided with annular projection 205 on heating shell 203, and when annular projection 205 and the shoulder grafting
When touching, the end of heating shell 203 just contacts or not in contact with the bottom for arriving circular groove；The heating wire 204 is twist
Heating shell 203 is set close to the side of glass copper mouth body 202, the heating wire 204 is evenly distributed on heating shell 203.
The retainer plate 206 is fixed by bolt and glass copper mouth body 202, close to heating shell 203 side setting with
The corresponding vacancy of annular projection 205 is arranged in the vacancy and has elastic component, and the elastic element is spring or hardware elastic slice,
Retainer plate 206 can compress annular projection when installing by elastic element is fastened on heating shell 203 on glass copper mouth body 202.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modification, equivalent replacement or improvement etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (9)
1. a kind of hot runner system of double-layer channel, which is characterized in that including runner plate and the hot mouth being mounted on runner plate；Institute
Stating runner plate includes runner plate main body and the first mold insert being mounted in runner plate main body, the second mold insert and third mold insert；Institute
Stating hot mouth includes glass copper mouth body, the wolfram steel inner tube being arranged in glass copper mouth body and covers the heating shell outside glass copper mouth body.
2. a kind of hot runner system of double-layer channel according to claim 1, which is characterized in that the runner plate further includes
The annular groove of runner plate main body upper and lower surfaces is set, heating wire in a ring groove is installed, and be horizontally set on runner
The first runner and the second runner of plate body interior, first runner and the second runner are in same vertical plane
On, and the first runner is in the top of the second runner.
3. a kind of hot runner system of double-layer channel according to claim 2, which is characterized in that first mold insert,
Two mold inserts and third mold insert are identical three cylindrical bodies of outer dimension, are provided with the first elbow in first mold insert,
It is provided with the second elbow in second mold insert, third elbow is provided in third mold insert, first elbow is L-shaped, one end water
The second runner of flushconnection, the other end are connected to the outside of runner plate vertically；The structure of the third elbow and the first elbow is complete
Exactly the same, second elbow is in herringbone, and lambdoid head connects the first runner, and lambdoid two feet are connected to
Second runner.
4. a kind of hot runner system of double-layer channel according to claim 1, which is characterized in that first mold insert,
The center of top of two mold inserts and third mold insert is provided with screw hole, and mold insert fixing piece is fixed on by the cooperation of screw and screw hole
The top of one mold insert, the second mold insert and third mold insert；The cross section of the mold insert fixing piece is H-shaped, has a diameter larger than mold insert
Diameter plays the role of fixing the first mold insert, the second mold insert and third mold insert when entire runner plate is mounted in mold.
5. a kind of hot runner system of double-layer channel according to claim 1, which is characterized in that the hot mouth further includes setting
Set the heating wire on heating shell；And the retainer plate being fixed on glass copper mouth for shell will to be heated.
6. a kind of hot runner system of double-layer channel according to claim 5, which is characterized in that the glass copper mouth is as circle
Cylindricality, one end collapse to form truncated cone-shaped to the center of circle, and through-hole is provided in the axial direction of glass copper mouth body, the through-hole and glass copper mouth
Body is arranged in through-hole, is connected through a screw thread between the wolfram steel inner tube and glass copper mouth body in distribution with one heart, the wolfram steel inner tube,
Silicone grease is filled in the gap of screw thread；The center of the wolfram steel inner tube is runner, and runner with glass copper mouth body is concentric is distributed, i.e. runner
The center of circle be overlapped with the center of circle of glass copper mouth body, the entrance of the runner is opposite with the outlet port of the first elbow or third elbow
It answers.
7. a kind of hot runner system of double-layer channel according to claim 5, which is characterized in that the glass copper mouth body it is another
One end is provided with shoulder, the shoulder and glass copper mouth as integral structure, and the position on the shoulder close to glass copper mouth body is provided with circle
The width of groove, the circular groove is identical as the heating thickness of shell.
8. a kind of hot runner system of double-layer channel according to claim 7, which is characterized in that the heating shell setting
In the outside of glass copper mouth body, in the end insertion circular groove, close to the position of circular groove on the heating shell
It is provided with annular projection, and when annular projection and the shoulder grafting touch, the end for heating shell just contacts or justifies not in contact with arriving
The bottom of connected in star；Heating shell is twist arranged in close to the side of glass copper mouth body in the heating wire, and the heating wire is equal
It is even to be distributed on heating shell.
9. a kind of hot runner system of double-layer channel according to claim 5, which is characterized in that the retainer plate passes through spiral shell
Bolt is fixed with glass copper mouth body, and vacancy corresponding with annular projection is arranged close to the side of heating shell, is arranged in the vacancy
Have elastic component, the elastic element is spring or hardware elastic slice, can be compressed by elastic element when retainer plate is installed cyclic annular convex
Rising, which makes to heat shell, is fastened on glass copper mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821511478.0U CN209566452U (en) | 2018-09-14 | 2018-09-14 | A kind of hot runner system of double-layer channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821511478.0U CN209566452U (en) | 2018-09-14 | 2018-09-14 | A kind of hot runner system of double-layer channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209566452U true CN209566452U (en) | 2019-11-01 |
Family
ID=68319207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821511478.0U Expired - Fee Related CN209566452U (en) | 2018-09-14 | 2018-09-14 | A kind of hot runner system of double-layer channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209566452U (en) |
-
2018
- 2018-09-14 CN CN201821511478.0U patent/CN209566452U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191101 Termination date: 20210914 |