CN204955299U - Stress improvement prevents hot mouth structure of moulding plastics of wire drawing - Google Patents
Stress improvement prevents hot mouth structure of moulding plastics of wire drawing Download PDFInfo
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- CN204955299U CN204955299U CN201520591713.XU CN201520591713U CN204955299U CN 204955299 U CN204955299 U CN 204955299U CN 201520591713 U CN201520591713 U CN 201520591713U CN 204955299 U CN204955299 U CN 204955299U
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- mouth
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- machine
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Abstract
The utility model provides a stress improvement prevents hot mouth structure of moulding plastics of wire drawing, includes heating collar, hot mouth body, chews the core, chews head and cut off machine, this internal axial runner that is equipped with of hot mouth, the front end of this axial runner be equipped with and chew the concave position of the first assembly of core matched with and with chew the concave position of first matched with second assembly, chew in the core locates the concave position of first assembly of axial runner front end, chew the head and install in the concave position of second assembly of axial runner front end, should chew the headgear on chewing the core, the front portion of chewing the head is equipped with a tapered runner, and tapered runner's rear end import department is equipped with the cut off machine, the heating snare is on hot mouth body, the chewing the core and can absorb the part and come from embolism or screw rod and to the effort of chewing the head, reduced and chewed the pressure that the head bore of this internal setting of this stress improvement prevents hot mouth structure of moulding plastics of wire drawing's hot mouth, the rear end import department of chewing first tapered runner is equipped with the cut off machine, makes the fluid flow to the side of cut off machine to the effectual wire drawing phenomenon that prevents in the tapered runner produces.
Description
Technical field
The utility model relates to injection molding technical field, and especially a kind of stress improves the injection heat mouth structure preventing wire drawing.
Background technology
After the hot mouth injection sizing material of injection machine, through refrigerating work procedure, product can solidify, but connects with machine barrel nozzle due to its front end, thus remains certain temperature, and therefore the sizing material of hot mouth mouth does not solidify completely sometimes.If now open mould, the material that spinnability (can be extended into thread during stretching and can not disconnect) is good is just easy produces wire drawing in sprue front end.From condition of molding, if resin temperature (particularly nozzle temperature) or mold temperature higher, then easily cause wire drawing.
Utility model content
The utility model aims to provide a kind of stress of hot mouth wire drawing phenomenon that prevents and improves the injection heat mouth structure preventing wire drawing.
For achieving the above object, the utility model provides following technical scheme: a kind of stress improves the injection heat mouth structure preventing wire drawing, comprise heating collar, hot mouth body, mouth core, mouth and cut off machine, a shaft orientation flowing channel is provided with in described hot mouth body, the front end of this shaft orientation flowing channel be provided with match with mouth core first assemble recess and match with mouth second assemble recess, mouth core is located in the first assembling recess of shaft orientation flowing channel front end, mouth is arranged in the second assembling recess of shaft orientation flowing channel front end, this mouth is enclosed within mouth core, be provided with in mouth coordinate with mouth core the 3rd assemble recess, described mouth core is class diamond shaped near the cavity of mouth end, the front portion of described mouth is provided with a tapered runner, and the rear end import department of tapered runner is provided with cut off machine, and the rear end import of tapered runner is divided into two parts by this cut off machine, described heating collar is enclosed within hot mouth body, and this heating collar outside is provided with protective sleeve, and the front end of protective sleeve is fixed by jump ring and hot mouth body.
As further scheme of the present utility model: described mouth is provided with external screw thread, in the second assembling recess, be provided with the internal thread coordinated with mouth.
As further scheme of the present utility model: the cross section of described cut off machine is trapezoidal.
As further scheme of the present utility model: the rear end of described hot mouth body is provided with the draw-in groove coordinated with heating collar, protective sleeve, and the outside of draw-in groove is provided with the alignment pin coordinated with protective sleeve.
Compared with prior art, the beneficial effects of the utility model are: the improvement of this stress prevents from being provided with a mouth core in the hot mouth body of the injection heat mouth structure of wire drawing, narrow in the middle of the cavity of mouth core, can absorption portion from embolism or the screw rod active force to mouth, reduce flow velocity, and mouth core is class diamond shaped near the cavity of mouth end, melt stress can be effectively reduced, reduce the pressure that mouth bears; The rear end import department of the tapered runner of mouth of the present utility model is provided with cut off machine, the rear end import of tapered runner is divided into two parts by this cut off machine, block the flowing of melt, made fluid to the lateral flow of cut off machine, thus effectively prevent the wire drawing phenomenon in tapered runner from producing.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of heating collar;
Fig. 3 is the structural representation of hot mouth body;
Fig. 4 is the structural representation of protective sleeve;
Fig. 5 is the structural representation of mouth core;
Fig. 6 is the structural representation of jump ring;
Fig. 7 is the structural representation A of mouth;
Fig. 8 is the structural representation B of mouth;
Fig. 9 is the cross sectional representation of cut off machine.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1-9, in the utility model embodiment, a kind of stress improves the injection heat mouth structure preventing wire drawing, comprise heating collar 1, hot mouth body 2, mouth core 5, mouth 7 and cut off machine 8, a shaft orientation flowing channel 201 is provided with in described hot mouth body 2, the front end of this shaft orientation flowing channel 201 be provided with match with mouth core 5 first assemble recess 202 and match with mouth 7 second assemble recess 203, mouth core 5 is located in the first assembling recess 202 of shaft orientation flowing channel 201 front end, and mouth 7 is arranged in the second assembling recess 203 of shaft orientation flowing channel 201 front end; Described mouth 7 is provided with external screw thread, and be provided with the internal thread coordinated with mouth 5 in the second assembling recess 203, this mouth 7 is enclosed within mouth core 5, be provided with in mouth 7 coordinate with mouth core 5 the 3rd assemble recess 701; Narrow in the middle of the cavity of described mouth core 5, can absorption portion from embolism or screw rod to the active force of mouth 7, reduce flow velocity, and mouth core 5 is class diamond shaped near the cavity of mouth 7 end, can effectively reduce melt stress, reduces the pressure that mouth 7 bears; The front portion of described mouth 7 is provided with a tapered runner 702, the rear end import department of tapered runner 702 is provided with cut off machine 8, the rear end import of tapered runner 702 is divided into two parts by this cut off machine 8, block the flowing of melt, make fluid to the lateral flow of cut off machine 8, thus effectively preventing the wire drawing phenomenon in tapered runner 702 from producing, the cross section of this cut off machine 8 is trapezoidal; Described heating collar 1 is enclosed within hot mouth body 2; this heating collar 1 outside is provided with protective sleeve 4; the front end of protective sleeve 4 is fixed by jump ring 6 and hot mouth body 2, and the rear end of this hot mouth body 2 is provided with the draw-in groove coordinated with heating collar 1, protective sleeve 4, and the outside of draw-in groove is provided with the alignment pin 3 coordinated with protective sleeve 4.
Design feature of the present utility model:
One, shaft orientation flowing channel 201 is provided with, for the flowing of melt plastic cement in hot mouth body 2;
Two, be wound with heating collar 1 outside hot mouth body 2, melting for giving the plastic cement in shaft orientation flowing channel 201 provides heat;
Three, heating collar 1 is wrapped with protective sleeve 4, and is fixed on hot mouth body 2 by dowel 3, prevents heat bridges;
Four, mouth core 5 is embedded in flow field end, and is connected with mouth 7, reduces melt flow;
Five, the horizontal top being inserted in mouth 7 tapered runner 702 of cut off machine 8;
Six, protective sleeve 4 is fixed on hot mouth body 2 by jump ring 6.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (4)
1. a stress improves the injection heat mouth structure preventing wire drawing, comprise heating collar (1), hot mouth body (2), mouth core (5), mouth (7) and cut off machine (8), it is characterized in that, a shaft orientation flowing channel (201) is provided with in described hot mouth body (2), the front end of this shaft orientation flowing channel (201) be provided with match with mouth core (5) first assemble recess (202) and match with mouth (7) second assemble recess (203), mouth core (5) is located in the first assembling recess (202) of shaft orientation flowing channel (201) front end, mouth (7) is arranged in the second assembling recess (203) of shaft orientation flowing channel (201) front end, this mouth (7) is enclosed within mouth core (5), be provided with in mouth (7) coordinate with mouth core (5) the 3rd assemble recess (701), the cavity that described mouth core (5) is held near mouth (7) is class diamond shaped, the front portion of described mouth (7) is provided with a tapered runner (702), and the rear end import department of tapered runner (702) is provided with cut off machine (8), and the rear end import of tapered runner (702) is divided into two parts by this cut off machine (8), described heating collar (1) is enclosed within hot mouth body (2), and this heating collar (1) outside is provided with protective sleeve (4), and the front end of protective sleeve (4) is fixed by jump ring (6) and hot mouth body (2).
2. stress according to claim 1 improves the injection heat mouth structure preventing wire drawing, and it is characterized in that, described mouth (7) is provided with external screw thread, is provided with the internal thread coordinated with mouth (5) in the second assembling recess (203).
3. stress according to claim 1 improves the injection heat mouth structure preventing wire drawing, and it is characterized in that, the cross section of described cut off machine (8) is trapezoidal.
4. stress according to claim 1 improves the injection heat mouth structure preventing wire drawing; it is characterized in that; the rear end of described hot mouth body (2) is provided with the draw-in groove coordinated with heating collar (1), protective sleeve (4), and the outside of draw-in groove is provided with the alignment pin (3) coordinated with protective sleeve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520591713.XU CN204955299U (en) | 2015-08-07 | 2015-08-07 | Stress improvement prevents hot mouth structure of moulding plastics of wire drawing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520591713.XU CN204955299U (en) | 2015-08-07 | 2015-08-07 | Stress improvement prevents hot mouth structure of moulding plastics of wire drawing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204955299U true CN204955299U (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520591713.XU Active CN204955299U (en) | 2015-08-07 | 2015-08-07 | Stress improvement prevents hot mouth structure of moulding plastics of wire drawing |
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| CN (1) | CN204955299U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109333935A (en) * | 2018-11-20 | 2019-02-15 | 柳道万和(苏州)热流道***有限公司 | Sharp-tongued, hot mouth component and hot runner system |
-
2015
- 2015-08-07 CN CN201520591713.XU patent/CN204955299U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109333935A (en) * | 2018-11-20 | 2019-02-15 | 柳道万和(苏州)热流道***有限公司 | Sharp-tongued, hot mouth component and hot runner system |
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