CN203994475U - A kind of injection mold with nitrogen blowing device - Google Patents

A kind of injection mold with nitrogen blowing device Download PDF

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Publication number
CN203994475U
CN203994475U CN201420356594.5U CN201420356594U CN203994475U CN 203994475 U CN203994475 U CN 203994475U CN 201420356594 U CN201420356594 U CN 201420356594U CN 203994475 U CN203994475 U CN 203994475U
Authority
CN
China
Prior art keywords
flash
mould
nitrogen blowing
injection mold
die cavity
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
Application number
CN201420356594.5U
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Chinese (zh)
Inventor
黄权平
张绪文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
QINGDAO WEISHENG ELECTRONIC PLASTIC CO Ltd
Original Assignee
QINGDAO WEISHENG ELECTRONIC PLASTIC CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by QINGDAO WEISHENG ELECTRONIC PLASTIC CO Ltd filed Critical QINGDAO WEISHENG ELECTRONIC PLASTIC CO Ltd
Priority to CN201420356594.5U priority Critical patent/CN203994475U/en
Application granted granted Critical
Publication of CN203994475U publication Critical patent/CN203994475U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of injection mold with nitrogen blowing device.It has solved existing entity injection moulding and has caused product surface shrink to affect outward appearance because colloid is blocked up, also causes product weight excessive, the problems such as waste material.The injection mold originally with nitrogen blowing device comprises mould, die cavity is set in mould, one side of mould is offered suction nozzle, the inner of suction nozzle is communicated with die cavity, the outer end of suction nozzle connects nitrogen blowing device, the opposite side of mould is offered flash mouth, and the inner of flash mouth is communicated with die cavity, and the outer end place of flash mouth arranges flash switching device.Originally there is the injection mold of nitrogen blowing device by set up nitrogen blowing device on mould, and relative set auxiliary equipment, to realize the manufacture of injecting products hollow structure.Thereby avoid shrinking and affecting the problem of product surface outward appearance because entity shot size is excessive, gain in strength for hollow injecting products simultaneously, also alleviate injecting products weight, save raw material, reduce production costs.

Description

A kind of injection mold with nitrogen blowing device
Technical field
The utility model belongs to mold machining technology field, relates to a kind of blow molding apparatus for hollow product, particularly a kind of injection mold with nitrogen blowing device.
Background technology
A kind of processing method of using when injection mo(u)lding is some complex-shaped parts of batch production.Specifically refer to the material melting that is heated to inject die cavity by high pressure, after cooling curing, obtain formed products.Injection mold is a kind of instrument of producing plasthetics, is also the instrument of giving plasthetics complete structure and accurate dimension.Injection mold is made up of dynamic model and cover half two parts conventionally, and dynamic model is arranged on the moving die plate of injection (mo(u)lding) machine, and cover half is arranged on the fixed form of injection (mo(u)lding) machine.Dynamic model and cover half closed formation running gate system and die cavity in the time of injection moulding, when die sinking, dynamic model separates to take out plastic products with cover half.
Existing injection-moulding device only can be produced the injecting products of entity, because some injection-molded item is aesthetic in appearance smooth in order to ensure on the one hand, ensure again that on the other hand injecting products has enough intensity, so can cause the local glue of goods thick, the excessive goods of entity diameter are easy to shrink after moulding thus affects the appearance of goods, also cause product weight excessive, the problems such as waste material.
Utility model content
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed a kind of by corresponding configuration nitrogen blowing device on injection mold, to realize the injection mold with nitrogen blowing device of injecting products hollow structure.
The purpose of this utility model can realize by following technical proposal: a kind of injection mold with nitrogen blowing device, comprise mould, in described mould, die cavity is set, one side of described mould is offered suction nozzle, the inner of described suction nozzle is communicated with die cavity, and the outer end of described suction nozzle connects nitrogen blowing device, and the opposite side of described mould is offered flash mouth, the inner of described flash mouth is communicated with die cavity, and the outer end place of described flash mouth arranges flash switching device.
Originally have in the injection mold of nitrogen blowing device, for the structure of different injecting products, suction nozzle and flash mouth to offer position different, both all should be chosen in the concealment part of injecting products, to reduce the impact on product appearance; Both also need to select to be positioned at the larger-size position of injecting products in addition, are beneficial to thus the uniformity of nitrogen blowing holder internal cavity, and the uniformity of wall thickness.
The use procedure originally with the injection mold of nitrogen blowing device is that first flash switching device is set to closed condition, for flash mouth is blocked; By the charging aperture on mould to injection moulding plastic material in die cavity, until whole die cavity is filled; Then flash switching device is set to opening, and then open flash mouth; Open nitrogen blowing device by suction nozzle to blowing nitrogen in die cavity, the nitrogen entering in injecting products can flow along the centrode of article shape under pressure, and then unnecessary liquid material is discharged by flash mouth; Treat that unnecessary liquid material discharges completely completely, flash switching device is set to closed condition again, and then block flash mouth and by flat the discharging opening envelope on injecting products; Finally wait for that injecting products is cooling, take out injecting products.
In the above-mentioned injection mold with nitrogen blowing device, described flash switching device comprises hydraulic jack, described hydraulic jack has telescopic shaft, the outer end of the described telescopic shaft flash switchboard that is connected, and above-mentioned flash mouth can be blocked in the end of described flash switchboard.Drive telescopic shaft to stretch out by hydraulic jack, drive flash switchboard stretch out and contact the flash mouth on mould, blocked; Drive telescopic shaft retraction by hydraulic jack, drive flash switchboard retraction and flash mouth on break away from moulds, make it open-minded.
In the above-mentioned injection mold with nitrogen blowing device, on described mould, the below of flash mouth arranges flash groove.In injecting products, pass into after nitrogen, liquid material unnecessary in it flows in flash groove through flash mouth, to realize the recovery of unnecessary liquid material.
In the above-mentioned injection mold with nitrogen blowing device, described mould comprises patrix and counterdie, in described patrix, has upper impression, in described counterdie, has lower impressions, and after matched moulds, upper impression and lower impressions amalgamation are overall die cavity.
Compared with prior art, originally there is the injection mold of nitrogen blowing device by set up nitrogen blowing device on mould, and relative set auxiliary equipment, to realize the manufacture of injecting products hollow structure.Thereby avoid shrinking and affecting the problem of product surface outward appearance because entity shot size is excessive, gained in strength for hollow injecting products simultaneously, also alleviated the weight of injecting products, saved raw material, reduced production costs.
Brief description of the drawings
Fig. 1 is the part-structure schematic diagram originally with the injection mold of nitrogen blowing device.
Fig. 2 is another part structural representation originally with the injection mold of nitrogen blowing device.
In figure, 1, mould; 1a, flash groove; 2, suction nozzle; 3, hydraulic jack; 4, flash switchboard; 5, injecting products.
Detailed description of the invention
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As depicted in figs. 1 and 2, the injection mold originally with nitrogen blowing device comprises mould 1, and the interior die cavity that arranges of mould 1, arranges charging aperture on mould 1.
Mould 1 comprises patrix and counterdie, has upper impression in patrix, has lower impressions in counterdie, and after matched moulds, upper impression and lower impressions amalgamation are overall die cavity.
One side of mould 1 is offered suction nozzle 2, and the inner of suction nozzle 2 is communicated with die cavity, and the outer end of suction nozzle 2 connects nitrogen blowing device.The opposite side of mould 1 is offered flash mouth, and the inner of flash mouth is communicated with die cavity, and the outer end place of flash mouth arranges flash switching device.On mould 1, the below of flash mouth also arranges flash groove 1a.
Flash switching device comprises hydraulic jack 3, and hydraulic jack 3 has telescopic shaft, the outer end of the telescopic shaft flash switchboard 4 that is connected, and the flash mouth on mould 1 can be blocked in the end of this flash switchboard 4.
For the structure of different injecting products 5, suction nozzle 2 and flash mouth to offer position different, both all should be chosen in the concealment part of injecting products 5, to reduce the impact on injecting products 5 outward appearances; Both also need to select to be positioned at the larger-size position of injecting products 5 in addition, are beneficial to thus the uniformity of nitrogen blowing holder internal cavity, and the uniformity of wall thickness.
The use procedure originally with the injection mold of nitrogen blowing device is, first drives telescopic shaft to stretch out by hydraulic jack 3, drives flash switchboard 4 stretch out and contact the flash mouth on mould 1, blocked; By the charging aperture on mould 1 to injection moulding plastic material in die cavity, until whole die cavity is filled; Then drive telescopic shaft retraction by hydraulic jack 3, drive flash switchboard 4 to bounce back and flash mouth on break away from moulds 1, make it open-minded; Open nitrogen blowing device by suction nozzle 2 to blowing nitrogen in die cavity, the nitrogen entering in injecting products 5 can flow along the centrode of article shape under pressure, and then unnecessary liquid material is discharged by flash mouth; Be drained into completely in flash groove 1a from flash mouth flows out until unnecessary liquid material, flash switching device is set to closed condition again, and then block flash mouth and the discharging opening envelope on injecting products 5 is put down; Finally wait for that injecting products 5 is cooling, take out injecting products 5.
Originally there is the injection mold of nitrogen blowing device by set up nitrogen blowing device on mould 1, and relative set auxiliary equipment, to realize the manufacture of injecting products 5 hollow structures.Thereby avoid shrinking and affecting the problem of product surface outward appearance because entity shot size is excessive, gained in strength for hollow injecting products 5 simultaneously, also alleviated the weight of injecting products 5, saved raw material, reduced production costs.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendments or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used mould 1 herein; Flash groove 1a; Suction nozzle 2; Hydraulic jack 3; Flash switchboard 4; The terms such as injecting products, but do not get rid of the possibility that uses other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.

Claims (4)

1. one kind has the injection mold of nitrogen blowing device, comprise mould, in described mould, die cavity is set, it is characterized in that, a side of described mould is offered suction nozzle, and the inner of described suction nozzle is communicated with die cavity, the outer end of described suction nozzle connects nitrogen blowing device, the opposite side of described mould is offered flash mouth, and the inner of described flash mouth is communicated with die cavity, and the outer end place of described flash mouth arranges flash switching device.
2. the injection mold with nitrogen blowing device according to claim 1, it is characterized in that, described flash switching device comprises hydraulic jack, described hydraulic jack has telescopic shaft, the outer end of the described telescopic shaft flash switchboard that is connected, above-mentioned flash mouth can be blocked in the end of described flash switchboard.
3. the injection mold with nitrogen blowing device according to claim 1, is characterized in that, on described mould, the below of flash mouth arranges flash groove.
4. according to the injection mold with nitrogen blowing device described in claim 1 or 2 or 3, it is characterized in that, described mould comprises patrix and counterdie, in described patrix, has upper impression, in described counterdie, have lower impressions, after matched moulds, upper impression and lower impressions amalgamation are overall die cavity.
CN201420356594.5U 2014-06-30 2014-06-30 A kind of injection mold with nitrogen blowing device Expired - Fee Related CN203994475U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420356594.5U CN203994475U (en) 2014-06-30 2014-06-30 A kind of injection mold with nitrogen blowing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420356594.5U CN203994475U (en) 2014-06-30 2014-06-30 A kind of injection mold with nitrogen blowing device

Publications (1)

Publication Number Publication Date
CN203994475U true CN203994475U (en) 2014-12-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420356594.5U Expired - Fee Related CN203994475U (en) 2014-06-30 2014-06-30 A kind of injection mold with nitrogen blowing device

Country Status (1)

Country Link
CN (1) CN203994475U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106426792A (en) * 2016-12-16 2017-02-22 台州市黄岩技佳模具有限公司 Mould for chair leg
CN109693337A (en) * 2017-10-23 2019-04-30 吴景艳 A kind of production method of inner cavity partial vacuum clothes hanger

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106426792A (en) * 2016-12-16 2017-02-22 台州市黄岩技佳模具有限公司 Mould for chair leg
CN109693337A (en) * 2017-10-23 2019-04-30 吴景艳 A kind of production method of inner cavity partial vacuum clothes hanger

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141210

Termination date: 20150630

EXPY Termination of patent right or utility model