CN205522260U - Open hot mouth of runner - Google Patents
Open hot mouth of runner Download PDFInfo
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- CN205522260U CN205522260U CN201620303810.9U CN201620303810U CN205522260U CN 205522260 U CN205522260 U CN 205522260U CN 201620303810 U CN201620303810 U CN 201620303810U CN 205522260 U CN205522260 U CN 205522260U
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- hot mouth
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- runner
- mouth body
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Abstract
The utility model belongs to the technical field of hot runner mold, especially relate to an open hot mouth of runner. The utility model provides an open hot mouth of runner, including hot mouth body, hot mouth body outer wall cover having heaters, hot mouth body is equipped with the temperature sensing wire groove, the temperature sensing wire inslot is equipped with temperature sensing wire, this internal plastic runner that is equipped with of hot mouth, it chews the point to be equipped with in the cavity of hot mouth body, chew be equipped with in the point with the plastic runner is linked together chews sharp runner, chew sharp runner connected component runner, hot mouth body with chew the outer mould that is equipped with of point and open the frame, hot mouth body, chew point, mould and open to form between the frame and keep away the space crack, it is equipped with the arc arch to chew sharp front end, the arc arch will be kept away the space crack and divide into insulating layer unit, the mobile unit of sizing material, hardening by cooling unit, the mould is opened the frame front end and is equipped with the runner.
Description
Technical field
This utility model belongs to hot runner mould technical field, particularly relates to a kind of open pin-point gate heat spout.
Background technology
In the injection moulding process of plastic product, TOP-TIP makes the injection of product have higher quality, and the structure type of TOP-TIP is also required to more preferable prioritization scheme just because of this.The use of spot pouring mouth hot flow path can improve the torsional deformation problem of plastic.Injection can be realized with single cast gate for small sized product, then need for large product the mode using multi-point to carry out to realize the injection mo(u)lding of product.Here injection moulding process is most important is the nozzle point structure of spot pouring mouth.
There is many defects in the open pin-point gate structure of TOP-TIP at present.
(1) present hot mouth and mould open between frame formed empty avoiding gap as thermal insulation layer, this thermal insulation layer gap is bigger.Bigger thermal insulation layer gathers colloidal sol, and long-time decomposes of accumulating produces variable color, exits into product die cavity with sizing material and causes product generation discoloration problem, causes product fraction defective to improve.
(2) there is the biggest sizing material detention space in the cavity that hot mouth nozzle angling hole position that is sharp and that open between frame is formed.This detention space equally causes product variable color with defect one, affects conforming product rate.
Summary of the invention
The deficiency existed for prior art, technical problem to be solved in the utility model is to provide the hot mouth structure of a kind of product discoloration problem that can solve the problem that TOP-TIP injection generation.
For solving above-mentioned technical problem, technical solution adopted in the utility model is: a kind of open pin-point gate heat spout, including hot mouth body, described hot mouth body outer wall set having heaters, described hot mouth body is provided with temperature-sensitive wire casing, described temperature-sensitive wire casing is built with temp.-sensing wire, described hot mouth is the most internal is provided with plastic cement runner, nozzle point it is provided with in the cavity of described hot mouth body, the nozzle point runner being connected with described plastic cement runner it is provided with in described nozzle point, described nozzle point flow passage branch flow passage, described hot mouth body and nozzle point are externally provided with mould and open frame, described hot mouth body, nozzle point, formation empty avoiding gap between frame opened by mould, described nozzle crack tip is provided with arc convex, empty avoiding gap is divided into thermal insulation layer unit by described arc convex, sizing material flow unit, hardening by cooling unit, described mould is opened frame front end and is provided with cast gate.
Above-mentioned open pin-point gate heat spout, described hot mouth body is flexibly connected by internal and external threads with described nozzle point.
This utility model to solve the technical problem that being to provide one prevents thermal insulation layer sizing material from flowing out further, thus preferably avoids the open pin-point gate heat spout of product variable color.
Above-mentioned open pin-point gate heat spout, described arc convex edge is 0.1mm gap with the distance of mould Kai Kuang edge.
This utility model to solve the technical problem that further and be to provide the open pin-point gate heat spout that the flowing of a kind of sizing material is smooth and easy, do not stockpiles, the most effectively get rid of.
Above-mentioned open pin-point gate heat spout, the outlet of described branch flow passage is near arc convex edge.
This utility model to solve the technical problem that further and be to provide a kind of open pin-point gate heat spout preventing heater landing, fixation.
Above-mentioned open pin-point gate heat spout, described hot mouth body is additionally provided with jump-ring slot and wants the jump ring coordinated with described jump-ring slot, in order to limit described heater landing.
This utility model to solve the technical problem that further and be to provide a kind of good heat conductivity, the sizing material the most open pin-point gate heat spout of flowing.
Above-mentioned open pin-point gate heat spout, described nozzle point uses copper product to make.
The advantage of the open pin-point gate heat spout of this utility model is:
1, the open pin-point gate heat spout of this utility model, described nozzle point and mould are opened frame and are formed empty avoiding, nozzle crack tip increases arc convex to be made nozzle point and mould open the empty avoiding that frame formed to be divided into thermal insulation layer unit, sizing material flow unit, hardening by cooling unit, formation < the gap of 0.1mm between frame edge opened by arc convex edge and mould, die temperature is relatively low makes the stock coagulation hardening in small gap, block the outflow of the sizing material of decomposes in thermal insulation layer unit empty avoiding, thus solve the discoloration problem of goods.
2, the open pin-point gate heat spout of this utility model, the branch flow passage that the end plastic emitting mode of described nozzle point is distributed by multiple even circumferentials forms, greatly add gate flow, the flowing of sizing material can well be improved, reduce injection pressure simultaneously, and gum exudation mouth is close to arc raised brim, the mobility at the sizing material flow unit edge of the most described empty avoiding is more preferable, plastic cement all can be gone out by plastic emitting each time as far as possible from sizing material flow unit, thus ensure that the deposited sizing material of sizing material flow unit is always virgin material, so can preferably prevent sizing material long decomposes variable color, so so that product quality is greatly improved.When plastic cement just enters mold cavity after the branch flow passage of nozzle point, and now plastic cement is by all for filling connected die cavities, including thermal insulation layer unit, sizing material flow unit, hardening by cooling unit, product die cavity.The plastic cement of thermal insulation layer unit be cooled hardening unit closure will not pass out, hardening by cooling unit can not flow out, and the most just avoids the goods variable color caused because of the decomposition of thermal insulation layer unit plastic cement.
3, the open pin-point gate heat spout of this utility model, the material of described nozzle point selects to use the more preferable copper material of heat conductivility, meets the sizing material flowing needs in injection moulding process, prevents the cold burden problem at cast gate position, make injection moulding process more smooth and easy, it is possible to ensure the injection of the plastics of more difficult molding.Improve the range of TOP-TIP.
4, the open pin-point gate heat spout of this utility model, jump-ring slot coordinates with jump ring so that it is heater is firm stable, will not be because of improper causing landing in operation.
5, the open pin-point gate heat spout of this utility model, the temp.-sensing wire temperature survey to hot mouth, it is sent in real time on hot flow path external control component temperature control box, controls the break-make of heater after temperature control box contrast observed temperature and design temperature thus realize temperature control.
Accompanying drawing explanation
Fig. 1 is this utility model sectional view；
Fig. 2 is partial enlarged drawing in this utility model Fig. 1；
Fig. 3 is this utility model nozzle point structural representation；
Fig. 4 is this utility model branch flow passage scattergram；
Fig. 5 is this utility model structural representation.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in further detail.
nullEmbodiment one、Such as Fig. 1、2、Shown in 5，A kind of open pin-point gate heat spout，Including hot mouth body 1，Described hot mouth body 1 outer wall set having heaters 3，Described hot mouth body is provided with temperature-sensitive wire casing 9，Described temperature-sensitive wire casing 9 is built with temp.-sensing wire 2，It is provided with plastic cement runner 8 in described hot mouth body 1，It is provided with nozzle point 4 in the cavity of described hot mouth body 1，The nozzle point runner 11 being connected with described plastic cement runner 8 it is provided with in described nozzle point 4，Described nozzle point runner 11 connected component runner 12，Described hot mouth body 1 is externally provided with mould with nozzle point 4 and opens frame 6，Described hot mouth body 1、Nozzle point 4、Formation empty avoiding gap between frame 6 opened by mould，Described nozzle point 4 front ends are provided with arc convex 13，Empty avoiding gap is divided into thermal insulation layer unit 14 by described arc convex 13、Sizing material flow unit 15、Hardening by cooling unit 16，Described mould is opened frame 6 front end and is provided with cast gate 17.
Described hot mouth body 1 is flexibly connected by internal and external threads with described nozzle point 4.Hot mouth body 1 is machined with female thread, nozzle point 4 is machined with matched external screw thread, so nozzle point 4 is installed on hot mouth body 1 with thread connecting mode.
Embodiment two, as shown in Figure 2,3, on the basis of embodiment one, limits further, and described arc convex 13 edge is 0.1mm gap with the distance of mould Kai Kuang 6 edge.
Embodiment three, as shown in Figure 1, 2, 3, on the basis of embodiment two, limits further, and the outlet of described branch flow passage 12 is near arc convex 13 edge.
Embodiment four is as it is shown in figure 1, on the basis of embodiment one or two or three, limit further, and described hot mouth body 1 is additionally provided with jump-ring slot 10 and the jump ring 5 matched with described jump-ring slot 10, in order to limit the landing of described heater 3.
Embodiment five, as shown in Fig. 1,2,3,4,5, on the basis of embodiment four, limit further, described nozzle point 4 use copper products make.
Operation instruction: plastic cement is entered in hot mouth by the plastic cement runner 8 of hot mouth body 1, after flowing to the nozzle point runner 11 of nozzle point 4, enters mould by branch flow passage 12 and opens between frame 6 and hot mouth after the die cavity of formation, enter injection-molded item 7 die cavity by cast gate 17 and complete injection.The hot mouth of whole injection moulding process remains constant plastic cement melt temperature.This has benefited from the temp.-sensing wire 2 temperature survey to hot mouth, is sent in real time on hot flow path external control component temperature control box, controls the break-make of heater thus realize temperature control after temperature control box contrast observed temperature and design temperature.
When plastic cement just enters mold cavity after the branch flow passage 12 of nozzle point 4, and now plastic cement is by all for filling connected die cavities, including thermal insulation layer unit 14, sizing material flow unit 15, hardening by cooling unit 16, product die cavity.The plastic cement of thermal insulation layer unit 14 be cooled hardening unit 16 closure will not pass out, hardening by cooling unit 16 can not flow out, and the most just avoids the goods variable color caused because of the decomposition of thermal insulation layer unit 14 plastic cement.Simultaneously, the outlet of branch flow passage 12 is near arc convex 13 edge, plastic cement all can be gone out by plastic emitting each time as far as possible from sizing material flow unit 15, thus ensures that the deposited sizing material of sizing material flow unit 15 is always virgin material, it is therefore prevented that decomposes coloured effect quality because plastic cement long-time heating produces.
Heater 3 directly overlaps and limits landing with jump ring 5 and complete to fix on hot mouth body 1.Mounted hot mouth can be installed on mould according to located in connection and open in frame 6, coordinates other structures of associated hot flow passage system and mould structure just can normally be molded use.
Above in conjunction with accompanying drawing, this utility model is exemplarily described, it is clear that of the present utility model implementing is not limited by above-mentioned embodiment.Those skilled in the art can be on the premise of conceiving without departing from this utility model technology, and to this utility model, various modification can be adapted or modification, within these amendments or modification also fall into protection domain of the present utility model certainly.
Claims (6)
- null1. an open pin-point gate heat spout，It is characterized in that: include hot mouth body (1)，Described hot mouth body (1) outer wall set having heaters (3)，Described hot mouth body is provided with temperature-sensitive wire casing (9)，Described temperature-sensitive wire casing (9) is built with temp.-sensing wire (2)，It is provided with plastic cement runner (8) in described hot mouth body (1)，Nozzle point (4) it is provided with in the cavity of described hot mouth body (1)，It is provided with, in described nozzle point (4), nozzle point runner (11) being connected with described plastic cement runner (8)，Described nozzle point runner (11) connected component runner (12)，Described hot mouth body (1) is externally provided with mould with nozzle point (4) and opens frame (6)，Described hot mouth body (1)、Nozzle point (4)、Formation empty avoiding gap between frame (6) opened by mould，Described nozzle point (4) front end is provided with arc convex (13)，Empty avoiding gap is divided into thermal insulation layer unit (14) by described arc convex (13)、Sizing material flow unit (15)、Hardening by cooling unit (16)，Described mould is opened frame (6) front end and is provided with cast gate (17).
- Open pin-point gate heat spout the most according to claim 1, it is characterised in that: described hot mouth body (1) is flexibly connected by internal and external threads with described nozzle point (4).
- Open pin-point gate heat spout the most according to claim 2, it is characterised in that: the distance of frame (6) edge opened by described arc convex (13) edge and mould is < 0.1mm gap.
- Open pin-point gate heat spout the most according to claim 3, it is characterised in that: the outlet of described branch flow passage (12) is near arc convex (13) edge.
- 5. according to the open pin-point gate heat spout described in any claim in claim 1-4, it is characterized in that: described hot mouth body (1) is additionally provided with jump-ring slot (10) and the jump ring (5) matched with described jump-ring slot (10), in order to limit described heater (3) landing.
- Open pin-point gate heat spout the most according to claim 5, it is characterised in that: described nozzle point (4) uses copper product to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620303810.9U CN205522260U (en) | 2016-04-13 | 2016-04-13 | Open hot mouth of runner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620303810.9U CN205522260U (en) | 2016-04-13 | 2016-04-13 | Open hot mouth of runner |
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| Publication Number | Publication Date |
|---|---|
| CN205522260U true CN205522260U (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620303810.9U Active CN205522260U (en) | 2016-04-13 | 2016-04-13 | Open hot mouth of runner |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108724635A (en) * | 2018-07-02 | 2018-11-02 | Tcl王牌电器(惠州)有限公司 | Flip injection mold |
| CN110733160A (en) * | 2018-07-20 | 2020-01-31 | 精工爱普生株式会社 | Injection molding apparatus and injection molding method |
-
2016
- 2016-04-13 CN CN201620303810.9U patent/CN205522260U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108724635A (en) * | 2018-07-02 | 2018-11-02 | Tcl王牌电器(惠州)有限公司 | Flip injection mold |
| CN108724635B (en) * | 2018-07-02 | 2021-04-02 | Tcl王牌电器(惠州)有限公司 | Inverted injection mold |
| CN110733160A (en) * | 2018-07-20 | 2020-01-31 | 精工爱普生株式会社 | Injection molding apparatus and injection molding method |
| CN110733160B (en) * | 2018-07-20 | 2021-09-14 | 精工爱普生株式会社 | Injection molding apparatus and injection molding method |
| US11155014B2 (en) | 2018-07-20 | 2021-10-26 | Seiko Epson Corporation | Injection molding apparatus and injection molding method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |