CN204914441U - Runner structure of reposition of redundant personnel comb in die head - Google Patents
Runner structure of reposition of redundant personnel comb in die head Download PDFInfo
- Publication number
- CN204914441U CN204914441U CN201520590892.5U CN201520590892U CN204914441U CN 204914441 U CN204914441 U CN 204914441U CN 201520590892 U CN201520590892 U CN 201520590892U CN 204914441 U CN204914441 U CN 204914441U
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- CN
- China
- Prior art keywords
- sprue
- charging aperture
- reposition
- feed inlet
- redundant personnel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model provides a structure flows that reposition of redundant personnel comb in the die head, the utility model relates to a plastic molding equipment technical field, it contains reposition of redundant personnel comb body, upside feed inlet, downside feed inlet, sprue, zhi liudao, the surface of reposition of redundant personnel comb body be equipped with upside feed inlet and downside feed inlet, the one end of upside feed inlet and downside feed inlet all is connected with the sprue, is connected with several zhi liudao on every sprue respectively, the middle part of reposition of redundant personnel comb body be equipped with the heating rod core. Can make the unity of the material embryo velocity of flow, can also improve the heating homogeneity, improve the homogeneity of the ejection of compact.
Description
Technical field
The utility model relates to plastic molding equipment technical field, and what to be specifically related in a kind of die head shunting comb flows to structure.
Background technology
The general mode adopting central feeding of original shunting comb, there is certain drawback in this kind of mechanism form, the material flake thickness being easy to cause shunting comb surface is thin uneven, cause the quality of the product produced uneven, the flow passage system shunting comb in a kind of die head is disclosed in Chinese patent CN202592673U, effectively can solve material embryo non-uniform phenomenon, it is provided with several sprues on the dispenser, each sprue connects a turbulent road, owing to adding man-hour, can not ensure that the surface flatness of each sprue is identical, also just can not ensure that the resistance of each sprue to molten condition material embryo is identical, the flow velocity of the material embryo therefore in each sprue is not identical, can not ensure that the turbulent road material embryo out connected by each sprue is uniform, therefore the quantity of sprue must be reduced, thus reduce the material embryo of friction speed, improve the uniformity of material embryo.
Secondly, the setting due to die head heating-up temperature is generally all higher than the temperature of melt, improves the mobility of melt, but just by heating die head, can not reach and heat the material embryo in flowing uniformly.
Summary of the invention
The purpose of this utility model is defect for prior art and deficiency, what provide shunting in a kind of structure die head simple, reasonable in design, easy to use to comb flows to structure, the uniformity of material embryo flow velocity can be made, can also heating uniformity be improved, improve the uniformity of discharging.
For achieving the above object, the technical solution adopted in the utility model is: it comprises shunting comb body, upside charging aperture, downside charging aperture, sprue, branch flow passage; The surface of described shunting comb body is provided with upside charging aperture and downside charging aperture, and one end of upside charging aperture and downside charging aperture is all connected with sprue, and each sprue is connected to several branch flow passage; The middle part of described shunting comb body is provided with heating rod core.
Described branch flow passage is the helical structure of Diameter Gradual Change.
Operation principle of the present utility model: material embryo enters sprue by upside charging aperture and downside charging aperture respectively, speed now in sprue is slow, material embryo forms laminar flow in sprue, and after entering branch flow passage respectively, flow velocity is accelerated, form turbulent flow, the characteristic of turbulent flow is motion irregular, in flow field, the value of various flow parameter has pulsation phenomenon, therefore, in this runner, material embryo well can be mixed, finally flowed out by branch flow passage again, heating rod core can heat the middle part of shunting comb, thus can heat the material embryo of inner side, improve the flow velocity of material embryo.
After adopting said structure, the utility model beneficial effect is: in a kind of die head described in the utility model, shunting comb flows to structure, the uniformity of material embryo flow velocity can be made, heating uniformity can also be improved, improve the uniformity of discharging, and have structure simple, arrange rationally, the advantage such as cost of manufacture is low.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Description of reference numerals:
1, shunting comb body; 2, upside charging aperture; 3, downside charging aperture; 4, sprue; 5, branch flow passage; 6, heating rod core
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described.
Shown in Fig. 1, the technical scheme that this detailed description of the invention adopts is: it comprises shunting comb body 1, upside charging aperture 2, downside charging aperture 3, sprue 4, branch flow passage 5; The surface of described shunting comb body 1 is provided with upside charging aperture 2 and downside charging aperture 3, and one end of upside charging aperture 2 and downside charging aperture 3 is all connected with sprue 4, each sprue 4 is connected to two branch flow passages 5; The middle part of described shunting comb body 1 is provided with heating rod core 6.
Described branch flow passage 5 is the helical structure of Diameter Gradual Change.
The operation principle of this detailed description of the invention: material embryo enters sprue by upside charging aperture 2 and downside charging aperture 3 respectively, speed now in sprue 4 is slow, material embryo forms laminar flow in sprue 4, and after entering branch flow passage 5 respectively, flow velocity is accelerated, form turbulent flow, the characteristic of turbulent flow is motion irregular, in flow field, the value of various flow parameter has pulsation phenomenon, therefore, in this runner, material embryo well can be mixed, finally flowed out by branch flow passage 5 again, heating rod core 6 can heat the middle part of shunting comb, thus can heat the material embryo of inner side, improve the flow velocity of material embryo.
After adopting said structure, this detailed description of the invention beneficial effect for: in a kind of die head described in this detailed description of the invention shunting comb flows to structure, the uniformity of material embryo flow velocity can be made, heating uniformity can also be improved, improve the uniformity of discharging, and have structure simple, arrange rationally, the advantage such as cost of manufacture is low.
The above, only in order to the technical solution of the utility model to be described and unrestricted, other amendment that those of ordinary skill in the art make the technical solution of the utility model or equivalently to replace, only otherwise depart from the spirit and scope of technical solutions of the utility model, all should be encompassed in the middle of right of the present utility model.
Claims (2)
1. that shunts comb in die head flows to a structure, and it comprises shunting comb body, upside charging aperture, downside charging aperture, sprue, branch flow passage; It is characterized in that: the surface of described shunting comb body is provided with upside charging aperture and downside charging aperture, and one end of upside charging aperture and downside charging aperture is all connected with sprue, and each sprue is connected to several branch flow passage; The middle part of described shunting comb body is provided with heating rod core.
2. that shunts comb in a kind of die head according to claim 1 flows to structure, it is characterized in that: described branch flow passage is the helical structure of Diameter Gradual Change.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520590892.5U CN204914441U (en) | 2015-08-08 | 2015-08-08 | Runner structure of reposition of redundant personnel comb in die head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520590892.5U CN204914441U (en) | 2015-08-08 | 2015-08-08 | Runner structure of reposition of redundant personnel comb in die head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204914441U true CN204914441U (en) | 2015-12-30 |
Family
ID=54963614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520590892.5U Expired - Fee Related CN204914441U (en) | 2015-08-08 | 2015-08-08 | Runner structure of reposition of redundant personnel comb in die head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204914441U (en) |
-
2015
- 2015-08-08 CN CN201520590892.5U patent/CN204914441U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20151230 Termination date: 20180808 |