CN213260862U - Single-point open type heat nozzle structure - Google Patents
Single-point open type heat nozzle structure Download PDFInfo
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- CN213260862U CN213260862U CN202021376067.2U CN202021376067U CN213260862U CN 213260862 U CN213260862 U CN 213260862U CN 202021376067 U CN202021376067 U CN 202021376067U CN 213260862 U CN213260862 U CN 213260862U
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- insulating heat
- insulating
- heat conduction
- heating
- heat
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Abstract
The utility model discloses a single-point open type hot nozzle structure, which comprises a hot nozzle flange head and a heating nozzle body which are integrally formed, wherein a hot runner is arranged in the hot nozzle flange head, and the front end of the hot nozzle flange head is provided with a spherical gate communicated with the hot runner; the insulating heat conduction layer is coated at the front end of the inner wall of the hot runner; the insulating heat conducting sheet is coated at the front end of the outer wall of the heating nozzle body; the insulating heat conduction rods are embedded in the heating nozzle body, one end of each insulating heat conduction rod is lapped on the insulating heat conduction layer, and the other end of each insulating heat conduction rod is lapped on the insulating heat conduction sheet; and the front half section of the heating coil is wound outside the insulating heat conducting sheet, and the rear half section of the heating coil is wound on the outer wall of the heating nozzle body. This heat is chewed in the structure and is chewed flange head and body integrated into one piece with generating heat, can not have the leakproofness problem, and the heat of coil that generates heat conducts to the inside front end of hot runner through insulating conducting strip, insulating heat conduction stick and insulating heat-conducting layer during the use, to plastic fluid direct heating, but the plastic melt state of fully guaranteeing avoids the jelly.
Description
Technical Field
The utility model relates to a hot runner technical field, concretely relates to structure is chewed to open heat of single-point.
Background
At present, hot runner molds are generally adopted in the injection molding industry, the product quality is greatly improved through a hot runner technology, raw materials and labor cost are saved, but the initial cost of the molds is correspondingly increased, the industry generally adopts a hot nozzle section structure as shown in figure 1 at present, the hot nozzle section structure comprises a hot nozzle body 100, the hot nozzle body is formed by integrally forming a hot nozzle flange head 101 and a nozzle body 102, because the hot nozzle flange head has larger volume and is in more contact with the mold part, in order to ensure that plastics are in a molten state, the temperature of the hot nozzle flange head must be ensured to be uniform, in the prior art, a heating ring 103 is wound on the hot nozzle flange head 101 to improve the temperature of the hot nozzle flange head 101, but the structure causes that the hot nozzle body 102 and the hot nozzle flange head 101 must be respectively heated by two groups of heating rings 103, and two groups of independent temperature controllers 104 are required to respectively detect the temperatures of the nozzle body 102 and the hot nozzle flange head 101, otherwise, the temperature of the flange head 101 of the hot nozzle is not enough to freeze the glue, and the cost input of the die is greatly increased.
In order to solve the above problems, the utility model discloses an application No. 201620098199.0 proposes a structure is chewed to open heat of single-point, its heat is chewed the flange head and is chewed the body with generating heat and tear the part open, and be equipped with the heat conduction and chew the point, the heat conduction is chewed the point and is located the outside of the flange head inner flow way is chewed to the heat, during the installation, the heat conduction is chewed the point and is compressed tightly fixedly through the combination of the flange head is chewed to the body with generating heat, when the heating circle on the body is chewed to generating heat, chew the heat through the heat conduction and chew the point conduction to the runner front end, thereby guarantee the molten state of plastics, the heating problem that proposes among the above-mentioned background art has been solved to this structure, but because the heat is chewed the flange head and is chewed the body separation with generating heat, can.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a structure is chewed to open heat of single-point for solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a single point open thermal nozzle structure comprising:
the hot nozzle flange head and the heating nozzle body are integrally formed, a hot runner is arranged in the hot nozzle flange head, and a spherical gate communicated with the hot runner is arranged at the front end of the hot nozzle flange head;
the insulating heat conduction layer is coated at the front end of the inner wall of the hot runner;
the insulating heat conducting sheet is coated at the front end of the outer wall of the heating nozzle body;
the insulating heat conduction rods are embedded in the heating nozzle body, one end of each insulating heat conduction rod is lapped on the insulating heat conduction layer, and the other end of each insulating heat conduction rod is lapped on the insulating heat conduction sheet;
and the front half section of the heating coil is wound outside the insulating heat-conducting sheet, and the rear half section of the heating coil is wound on the outer wall of the heating nozzle body.
Preferably, for the single-point open type heat nozzle structure, the insulating heat conduction layer, the insulating heat conduction sheet and the insulating heat conduction rod are all made of alumina ceramic materials.
Preferably, for the single-point open type hot nozzle structure, a sheath is arranged outside the hot nozzle body, and the heating coil is protected by the sheath.
Preferably, for the single-point open type heat nozzle structure, the insulating heat conducting rods are distributed on a plurality of radial cross sections of the heat nozzle body, the distance between every two adjacent radial cross sections is the same, and not less than 4 insulating heat conducting rods in the same radial cross section.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a structure is chewed to open heat of single-point, the flange head is chewed to heat and still integrated into one piece is chewed between the body with generating heat, and the product can not have the leakproofness problem, and when using, the heat that heating coil produced directly conducts to the inside front end of hot runner through insulating conducting strip, insulating heat conduction stick and insulating heat-conducting layer, to the plastics direct heating of the inside front end of hot runner, it is effectual to heat, but the fully guarantee plastics molten state avoids the jelly.
Drawings
FIG. 1 is a cross-sectional view of a prior art hot nozzle structure;
FIG. 2 is a schematic structural view of the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a single point open thermal nozzle structure comprising:
the hot nozzle flange head 1 and the heating nozzle body 2 are integrally formed, a hot runner 3 is arranged in the hot nozzle flange head 1, and the front end of the hot nozzle flange head 1 is provided with a spherical sprue 4 communicated with the hot runner 3;
an insulating heat conduction layer 5 which covers the front end of the inner wall of the hot runner 3;
the insulating heat conducting fin 6 is coated at the front end of the outer wall of the heating nozzle body 2;
a plurality of insulating heat conducting rods 7 which are embedded in the heating nozzle body 2, wherein one end of each insulating heat conducting rod 7 is lapped on the insulating heat conducting layer 5, and the other end is lapped on the insulating heat conducting sheet 6;
and the front half section of the heating coil 8 is wound outside the insulating heat-conducting sheet 6, and the rear half section of the heating coil is wound on the outer wall of the heating nozzle body 2.
As shown in fig. 1, the hot nozzle flange head 1 and the heating nozzle body 2 in the hot nozzle structure are integrally formed, and the internal hot runner 3 is also a complete channel, so that there is no technical problem of sealing performance, and the manufacturing cost can be reduced, when in use, the heat generated by the heating coil 8 is conducted to the insulating heat-conducting sheet 6, the insulating heat-conducting sheet 6 conducts the heat to the insulating heat-conducting layer 5 at the front end inside the hot runner 3 through the insulating heat-conducting rod 7, and the plastic fluid entering from the spherical gate 4 is directly heated through the insulating heat-conducting layer 5, compared with the heat transfer mode in the prior art in which the coil heats the flange head and then conducts the heat to the inside of the hot runner through the flange head, the heat transfer mode provided in the application has higher efficiency, and can efficiently conduct the heat to the front end inside the hot runner to directly heat the plastic fluid, thereby fully ensuring that the plastic fluid is always in, the jelly phenomenon can not occur, and when the temperature is monitored, the heating coil 8 is only needed to be monitored.
In another embodiment, the insulating and heat conducting layer 5, the insulating and heat conducting fin 6 and the insulating and heat conducting rod 7 are made of alumina ceramic material.
In another embodiment, a sheath 9 is arranged outside the heating mouthpiece 2, and the heating coil 8 is protected by the sheath 9.
In another embodiment, the insulating heat conducting rods 7 are distributed on a plurality of radial cross sections of the heating nozzle body 2, the distance between every two adjacent radial cross sections is the same, the number of the insulating heat conducting rods 7 in the same radial cross section is not less than 4, and the contact points between the insulating heat conducting rods 7 and the insulating heat conducting layers 5 are uniformly distributed, so that the insulating heat conducting layers 5 are uniformly heated, and the plastic fluid is uniformly heated, and in addition, the heat conducting efficiency is determined by the number of the insulating heat conducting rods 7, so that the number of the insulating heat conducting rods 7 has the lowest value for ensuring the heating effect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A structure is chewed to open heat of single-point, its characterized in that includes:
the hot nozzle flange head and the heating nozzle body are integrally formed, a hot runner is arranged in the hot nozzle flange head, and a spherical gate communicated with the hot runner is arranged at the front end of the hot nozzle flange head;
the insulating heat conduction layer is coated at the front end of the inner wall of the hot runner;
the insulating heat conducting sheet is coated at the front end of the outer wall of the heating nozzle body;
the insulating heat conduction rods are embedded in the heating nozzle body, one end of each insulating heat conduction rod is lapped on the insulating heat conduction layer, and the other end of each insulating heat conduction rod is lapped on the insulating heat conduction sheet;
and the front half section of the heating coil is wound outside the insulating heat-conducting sheet, and the rear half section of the heating coil is wound on the outer wall of the heating nozzle body.
2. The structure is chewed with a single-point open heat nozzle as claimed in claim 1, wherein the insulating and heat conducting layer, the insulating and heat conducting fin and the insulating and heat conducting rod are made of alumina ceramic material.
3. The structure is chewed to single-point open heat according to claim 1, wherein a sheath is provided outside the body of the heat-generating mouthpiece, and the heat-generating coil is protected inside by the sheath.
4. The structure is chewed to single-point open heat of claim 1, wherein the insulating heat conduction rod is distributed on a plurality of radial cross sections of the body, the distance between two adjacent radial cross sections is the same, and the number of the insulating heat conduction rods in the same radial cross section is not less than 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021376067.2U CN213260862U (en) | 2020-07-14 | 2020-07-14 | Single-point open type heat nozzle structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021376067.2U CN213260862U (en) | 2020-07-14 | 2020-07-14 | Single-point open type heat nozzle structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213260862U true CN213260862U (en) | 2021-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021376067.2U Active CN213260862U (en) | 2020-07-14 | 2020-07-14 | Single-point open type heat nozzle structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213260862U (en) |
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2020
- 2020-07-14 CN CN202021376067.2U patent/CN213260862U/en active Active
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