CN202344775U - Embedded type heating needle valve hot runner device - Google Patents
Embedded type heating needle valve hot runner device Download PDFInfo
- Publication number
- CN202344775U CN202344775U CN2011204555504U CN201120455550U CN202344775U CN 202344775 U CN202344775 U CN 202344775U CN 2011204555504 U CN2011204555504 U CN 2011204555504U CN 201120455550 U CN201120455550 U CN 201120455550U CN 202344775 U CN202344775 U CN 202344775U
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- China
- Prior art keywords
- hot mouth
- needle
- hot
- valve needle
- valve
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- Expired - Fee Related
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Abstract
The utility model discloses an embedded heating type needle valve hot runner device, which comprises a valve needle, a valve needle sleeve, a hot mouth flange, a hot mouth body, a valve needle guide sleeve and a hot mouth gate bush, wherein the valve needle sleeve, the hot mouth flange, the valve needle guide sleeve and the hot mouth gate bush are assembled on the hot mouth body; the axes of the hot mouth flange, the valve needle guide sleeve and the hot mouth gate bush are in a straight line; the valve needle guide sleeve is tightly pressed through the hot mouth gate bush with screw teeth; and the hot mouth flange is connected with the hot mouth body through a screw. The hot runner device adopting the scheme has the advantages that plastic melt in a runner plate veers through a runner plate insert, so that the lateral impact force and the corrosive effect of the melt on the valve needle are avoided; the valve needle sleeve and the valve needle guide sleeve achieves the effects of valve needle guiding, so that the valve needle moves more steadily and has a longer service life; a heating coil is embedded in a spiral groove of the hot runner body, so that the heat utilization ratio is higher and the temperature of the hot runner body is more uniform; and a temperature sensing wire is arranged in a position close to a break gate, so that the temperature at the gate is steadier.
Description
Technical field
The utility model belongs to the injection industry technical field, relates in particular to a kind of heated type needle-valve hot flow path device of inlaying.
Background technology
Along with the continuous development of injection industry, requiring of plastic cement products is increasingly high.Wherein, thin-wall part, glass reinforcement are more and more general in mould molding; the ratio of occupying also rises year by year; wherein the high fine reinforcement of various engineering plastics significantly rises to the utilization rate of hot flow path, like PA+50% glass, PBT+30% glass etc., it is all restricting service life of hot flow path to the strict requirement of hot mouth temperature with to the height of hot mouth and needle these conditions of wearing and tearing or the like.It is through making a call to an inclined hole on the face in suiting of hot mouth and runner plate that the side that conventional needle is used this type of material is gone into the hot mouth technology of plastic pin valve; The sizing material that flow out the runner plate plastic hole is introduced hot mouth; Yet; There are a lot of defectives in the way of this conventional art: increase injection pressure, processing request increase, reduce hot mouth gel quantity, sizing material forms lateral impact to runner and needle, reduce the heating collar of lifetime of system, hot mouth device employing wound form, and its heat utilization efficiency is low; Temperature is unstable, is not suitable for thermally sensitive material.Therefore press for a kind of novel hot flow path device that can address the aforementioned drawbacks.
Summary of the invention
The purpose of the utility model is to provide a kind of heated type needle-valve hot flow path device of inlaying, and it makes full use of heat transmission, reduces heat loss to greatest extent; And needle can not receive the lateral impact of sizing material, can not make the needle banking motion when reducing the wearing and tearing of needle.
The technical scheme of the utility model is to realize like this; A kind of heated type needle-valve hot flow path device of inlaying includes needle, needle cover, hot mouth flange, hot mouth body, needle fairlead and hot mouth cast gate department, wherein; Said needle cover, hot mouth flange, needle fairlead and hot mouth cast gate department are assemblied on the hot mouth body; Its axis in line, the needle fairlead compresses through the hot mouth cast gate department of band thread, hot mouth flange passes through screw and connects with hot mouth body 4.
Further, said hot mouth body is provided with helicla flute and temp.-sensing wire hole, in the helicla flute of hot mouth body, is inlaid with heating collar, and temp.-sensing wire is assemblied in the temp.-sensing wire hole of hot mouth body.
Further, said runner plate mold insert, needle cover and the local hollow out of needle fairlead.
Further, said hot mouth flange has anti-rotation groove, and through being assemblied in the stop pin anti-rotation of mold cavity plate.
Further, said runner plate mold insert is inlayed in described runner plate.
Further, described needle passes needle cover, runner plate mold insert and needle fairlead, and drives through cylinder group hydraulic cylinder group.
When adopting this creation to inlay the mold work of heated type needle-valve hot flow path device, plastic melt gets into the runner in the runner plate from injection machine, and the guide effect through the runner plate mold insert gets into hot mouth body, at last through in the hot mouth cast gate department entering die cavity.Because the lateral impact of plastic melt to needle avoided in the protective effect of runner plate mold insert, the needle cover plays dual guiding with the needle fairlead to needle simultaneously, avoids the needle banking motion, make valve needle movements more accurately, stablize, the life-span is longer.Because heating collar is inlayed in the helicla flute of hot mouth body, and temp.-sensing wire assembles near disconnected cast gate, makes that the heat utilization efficiency of hot mouth is higher, and temperature is more stable, the temperature of avoiding resolving gate location is crossed the cold or overheated problem that causes simultaneously.
Description of drawings
Fig. 1 is the cutaway view that heated type needle-valve hot flow path device is inlayed in this creation.
Fig. 2 is the stereogram that the runner plate mold insert of heated type needle-valve hot flow path device is inlayed in this creation.
Fig. 3 is the stereogram that the needle cover of heated type needle-valve hot flow path device is inlayed in this creation.
Fig. 4 is the stereogram that the needle fairlead of heated type needle-valve hot flow path device is inlayed in this creation.
The specific embodiment
For the purpose, technical scheme and the advantage that make this creation is clearer,, this creation is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
With reference to shown in Figure 1, the utility model is inlayed heated type needle-valve hot flow path device and is included needle cover 1, hot mouth flange 3, hot mouth body 4, needle 5, needle fairlead 6, hot mouth cast gate department 7, temp.-sensing wire 8, stop pin 9, heating collar 10, runner plate 12, runner plate mold insert 11 and cylinder group hydraulic cylinder group 101.
Wherein, needle cover 1, hot mouth flange 3, needle fairlead 6 and hot mouth cast gate department 7 are assemblied on the hot mouth body 4, its axis in line, needle fairlead 6 compresses through the hot mouth cast gate department 7 of band thread, hot mouth flange 3 passes through screw 2 and connects with hot mouth body 4.Also be provided with helicla flute and temp.-sensing wire hole on 4 on the hot mouth body, heating collar 10 is inlayed in the helicla flute of hot mouth body 4, and temp.-sensing wire is assemblied in the temp.-sensing wire hole of hot mouth body 4.Hot mouth flange 3 has anti-rotation groove, and stop pin 9 anti-rotations through being assemblied in the mold cavity plate.12 li of runner plate mold insert 11 edge influent stream guidance tapes.Needle 5 passes needle cover 1, runner plate mold insert 11 and needle fairlead 6, and drives through cylinder group hydraulic cylinder group 101.
With reference to shown in Figure 2, it shows the three-dimensional icon of runner plate mold insert 11, and Openworks shape is arranged to so that plastic melt passes through in these runner plate mold insert 11 parts.With reference to Fig. 3, shown in Figure 4, it shows the three-dimensional icon of needle cover 1 and needle fairlead 6 respectively, and wherein needle cover 1 also is to be arranged to local hollow out with needle fairlead 6, so that plastic melt passes through.
When adopting this creation to inlay the mold work of heated type needle-valve hot flow path device; Plastic melt gets into the runner of 12 li of runner plates from injection machine; Guide effect through runner plate mold insert 11; Get into hot mouth body 4 through needle cover 1, and through the intrinsic needle fairlead 6 of hot mouth, get in the die cavitys the perhaps flow passage system of mould from hot mouth cast gate department 7 at last.Because runner plate mold insert 11 plays guiding plastic melt and protection needle 5; Avoided needle 5 to receive the melt lateral impact, prolonged the life-span of needle 5, because needle cover 1 is assemblied on the hot mouth body 4, the side force of having avoided runner plate 12 to expand producing is to the influence of needle 5; Needle overlaps 1 local hollow out; Be convenient to melt and pass through, simultaneously needle cover 1 also plays guiding needle 5 with needle fairlead 6, avoids needle 5 banking motions to cause the wearing and tearing of needle 5 and hot mouth cast gate department 7.Because heating collar 10 is inlayed in the helicla flute of hot mouth body 4; Make the heat of heating collar 10 better be delivered to hot mouth body 4; Guarantee the even of hot mouth body 4 temperature, improve heat utilization efficiency, assemble near disconnected cast gate owing to temp.-sensing wire 8 simultaneously; Make the temperature of disconnected cast gate more stable, avoid the disconnected cold or overheated problem of bringing of making a slip of the tongue of watering.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. inlay heated type needle-valve hot flow path device for one kind; Include needle, needle cover, hot mouth flange, hot mouth body, needle fairlead and hot mouth cast gate department; It is characterized in that: said needle cover, hot mouth flange, needle fairlead and hot mouth cast gate department are assemblied on the hot mouth body; Its axis in line, the needle fairlead compresses through the hot mouth cast gate department of band thread, hot mouth flange passes through screw and connects with hot mouth body.
2. the heated type needle-valve hot flow path device of inlaying as claimed in claim 1, it is characterized in that: said hot mouth body is provided with helicla flute and temp.-sensing wire hole, in the helicla flute of hot mouth body, is inlaid with heating collar, and temp.-sensing wire is assemblied in the temp.-sensing wire hole of hot mouth body.
3. the heated type needle-valve hot flow path device of inlaying as claimed in claim 2 is characterized in that: said runner plate mold insert, needle cover and the local hollow out of needle fairlead.
4. the heated type needle-valve hot flow path device of inlaying as claimed in claim 3, it is characterized in that: said hot mouth flange has anti-rotation groove, and through being assemblied in the stop pin anti-rotation of mold cavity plate.
5. the heated type needle-valve hot flow path device of inlaying as claimed in claim 4, it is characterized in that: said runner plate mold insert is inlayed in described runner plate.
6. the heated type needle-valve hot flow path device of inlaying as claimed in claim 5, it is characterized in that: described needle passes needle cover, runner plate mold insert and needle fairlead, and drives through cylinder group hydraulic cylinder group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204555504U CN202344775U (en) | 2011-11-15 | 2011-11-15 | Embedded type heating needle valve hot runner device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204555504U CN202344775U (en) | 2011-11-15 | 2011-11-15 | Embedded type heating needle valve hot runner device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202344775U true CN202344775U (en) | 2012-07-25 |
Family
ID=46533802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204555504U Expired - Fee Related CN202344775U (en) | 2011-11-15 | 2011-11-15 | Embedded type heating needle valve hot runner device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202344775U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102990855A (en) * | 2013-01-07 | 2013-03-27 | 深圳市米高科技有限公司 | Oil temperature heating type hot runner device |
-
2011
- 2011-11-15 CN CN2011204555504U patent/CN202344775U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102990855A (en) * | 2013-01-07 | 2013-03-27 | 深圳市米高科技有限公司 | Oil temperature heating type hot runner device |
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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: 20120725 Termination date: 20171115 |