CN202318785U - Hot runner system for engineering plastics - Google Patents
Hot runner system for engineering plastics Download PDFInfo
- Publication number
- CN202318785U CN202318785U CN 201120381526 CN201120381526U CN202318785U CN 202318785 U CN202318785 U CN 202318785U CN 201120381526 CN201120381526 CN 201120381526 CN 201120381526 U CN201120381526 U CN 201120381526U CN 202318785 U CN202318785 U CN 202318785U
- Authority
- CN
- China
- Prior art keywords
- heat
- chewed
- engineering plastics
- distribution plate
- flow distribution
- 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 - Lifetime
Links
- 229920006351 engineering plastic Polymers 0.000 title claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 238000009826 distribution Methods 0.000 claims description 21
- 235000015111 chews Nutrition 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 7
- 230000000295 complement effect Effects 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 abstract description 10
- 230000004308 accommodation Effects 0.000 abstract 2
- 239000002994 raw material Substances 0.000 description 27
- 238000002347 injection Methods 0.000 description 8
- 239000007924 injection Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 230000001055 chewing effect Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2737—Heating or cooling means therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2737—Heating or cooling means therefor
- B29C2045/2743—Electrical heating element constructions
Abstract
The utility model discloses a hot runner system for engineering plastics. The hot runner system comprises a spreader plate, a driving device, a main nozzle and hot nozzles, wherein the driving device is positioned at the upper end of the spreader plate; the main nozzle is positioned on the middle part of the upper end of the spreader plate; the hot nozzles are positioned at the lower end of the spreader plate, and are fastened at the lower end of the spreader plate through flanges; accommodation grooves are reserved on the outer surfaces of the hot nozzles; and heating coils are embedded into the accommodation grooves. Compared with the conventional hot runner system, the hot runner system has the advantages of preventing cold glue, ensuring the quality of a product and avoiding a system failure.
Description
Technical field
The utility model relates to a kind of engineering plastics TOP-TIP.
Background technology
The injection mold that generally adopts in the injection moulding industry at present is the HOT RUNNER INJECTION MOULD tool, and HOT RUNNER INJECTION MOULD tool comparison common die has lot of advantages, and is higher through the product quality of TOP-TIP injection moulding; And economize in raw materials; Production efficiency is higher, and automaticity is high, such as open big mouth of a river TOP-TIP; The needle valve TOP-TIP all can be realized production efficient, high-quality, automation.Present TOP-TIP, the raw material with molten condition when producing is injected in the TOP-TIP, and raw material is flowed in the pipeline of TOP-TIP, finally chews through heat to be ejected in the mould, forms final products.Because forming the parts of TOP-TIP at present all is metal parts basically, heat conduction is very fast.Be injected into ejection this section process from raw material, the raw material longer distance of in the pipeline of TOP-TIP, flowing through, the heat of raw material itself can distribute with TOP-TIP itself, thereby causes raw material generation solidification phenomenon, is commonly called as the injection raw material cold glue.When the cold glue phenomenon takes place after, can cause heat to chew the raw material became uneven at cast gate place, influence product quality, seriously also can cause heat to chew cast gate and block, cause the TOP-TIP fault.For head it off, at present common TOP-TIP is employed in heat and chews and install double pipe heater additional, though can required heat be provided to system; But heating wire is chewed single face with heat and is contacted, in the heat conductive process loss bigger, in order to satisfy heating requirements; Can only improve heating power, need electric energy bigger, the waste resource; And this kind heater uneven heating is even, also takes place overheated or the problem of cold glue than being easier to.
Summary of the invention
To the deficiency that above-mentioned prior art exists, the purpose of the utility model provides a kind of TOP-TIP, and it has the heat loss that reduction heat is chewed, and cold glue can not take place, and has guaranteed product quality, has avoided the advantage of the system failure.
To achieve these goals, the technical scheme that the utility model adopted is: the engineering plastics TOP-TIP comprises flow distribution plate; Be positioned at the drive unit of flow distribution plate upper end; And be positioned at the main nozzle in the middle of the flow distribution plate upper end, and comprising that also the heat that is positioned at the flow distribution plate lower end chews, said heat is chewed through secure in said flow distribution plate lower end; Said heat is chewed outer surface and is offered holding tank, is inlaid with heating wire in said holding.
Preferably, said holding tank in the shape of a spiral shape be wound in heat and chew outer surface.
Preferably, the cross sectional shape of said holding tank is square, and the cross sectional shape of said heating wire and the cross sectional shape of said holding tank are complementary.
Preferably, the runner in said heat is chewed is identical with the flow passage aperture in the flow distribution plate.
Preferably, the root of said flange has bulge loop, and the internal diameter of said bulge loop is less than the internal diameter at all the other positions of said flange; Said heat is chewed root and is had boss, and the bulge loop in the flange is placed on the said boss.
Preferably, said heat is chewed and is adopted the good metal material of heat conductivility to process.
The engineering plastics TOP-TIP of the utility model, through injection machine the raw material of molten condition is injected into TOP-TIP after, raw material flows in TOP-TIP under the effect of injection pressure; Flow to via flow distribution plate and to spray in the mould after heat is chewed, in this process, no matter be that open heat is chewed; Still needle valve heat is chewed, and chews outer surface in heat and directly is wound with heating wire, directly heat is conducted to heat after the heating wire heating and chews; Because heating wire is to be embedded in heat to chew, heating wire is chewed very closely with heat and is contacted, so the heat that sends of heating wire can conduct to heat more fast more efficiently and chews and heat is chewed heated equably; Be equivalent to raw material is heated; Make heat chew interior raw material and keep molten condition, the cold glue phenomenon can not take place in the raw material in therefore heat is chewed, and raw material is ejected equably; Guaranteed product quality, but also saved easily the electric energy that adds heat loss because of heats.Simultaneously, can not solidify after the raw material of heat in chewing is heated, the raw material that heat is chewed can not be solidified blocks, and it is unblocked to keep heat to chew, and avoids system to break down.Therefore, the TOP-TIP of the utility model, than present TOP-TIP, it does not have, and cold glue can take place, and has guaranteed product quality, has avoided the advantage of the system failure.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the structure cut-away view that the heat of the utility model is chewed;
Fig. 3 is the sketch map that the heat of the utility model is chewed.
Among the figure: 10, flow distribution plate; 20, drive unit;
30, main nozzle; 40, Re Zui;
41, holding tank; 42, heating wire;
50, flange; 51, bulge loop;
43, boss.
The specific embodiment
The following stated is merely the preferred embodiment of the utility model, does not therefore limit the protection domain of the utility model.
Embodiment, see that Fig. 1 is to shown in Figure 3:
The utility model is a kind of engineering plastics TOP-TIP, comprises flow distribution plate 10, is positioned at the drive unit 20 of flow distribution plate 10 upper ends; And the main nozzle 30 that is positioned at centre, flow distribution plate 10 upper ends; Comprise that also the heat that is positioned at flow distribution plate 10 lower ends chews 40, said heat is chewed 40 and is anchored on said flow distribution plate 10 lower ends through flange 50, it is characterized in that; Said heat is chewed 40 outer surfaces and is offered holding tank 41, is inlaid with heating wire 42 in said holding.The engineering plastics TOP-TIP of the utility model, through injection machine the raw material of molten condition is injected into TOP-TIP after, raw material flows in TOP-TIP under the effect of injection pressure; Flow to via flow distribution plate 10 and to spray in the mould after heat chews 40, in this process, no matter be that open heat chews 40; Still needle valve heat chews 40, chews 40 outer surfaces in heat and directly is wound with heating wire 42, directly heat is conducted to heat after heating wire 42 heatings and chews on 40; Because heating wire 42 is to be embedded in heat to chew on 40, heating wire 42 is chewed 40 with heat and very closely contact, so the heat that sends of heating wire 42 can conduct to heat more fast more efficiently and chews and make heat chew 40 quilts on 40 to heat equably; Be equivalent to raw material is heated; The raw material that heat is chewed in 40 keeps molten condition, and the therefore hot raw materials of chewing in 40 the cold glue phenomenon can not take place, and raw material is ejected equably; Guaranteed product quality, but also saved easily the electric energy that adds heat loss because of heats.Simultaneously, heat is chewed and can not solidified after raw materials in 40 are heated, and makes heat chew 40 raw materials that can not be solidified and blocks, and it is 40 unblocked to keep heat to chew, and avoids system to break down.Therefore, the TOP-TIP of the utility model, than present TOP-TIP, it does not have, and cold glue can take place, and has guaranteed product quality, has avoided the advantage of the system failure.
Heat chewed 40 heats in order to improve, said holding tank 41 shape in the shape of a spiral is wound in heat and chews 40 outer surfaces, and making heating wire 42 and heat chew 40 various pieces can both heat; And the cross sectional shape of said holding tank 41 is square, and the cross sectional shape of the cross sectional shape of said heating wire 42 and said holding tank 41 is complementary, and makes heating wire 42 and heat chew 40 and contacts through three, improves the heat conduction of velocity, promotes heat and chews 40 heated effects.In addition, shorten in order to make raw material be positioned at the time that TOP-TIP flows, avoid heat to run off, it is identical that said heat is chewed the interior flow passage aperture of runner and flow distribution plate 10 in 40, and raw material can be flowed in TOP-TIP fast.In order further to reduce thermal loss, the root of said flange 50 has bulge loop 51, and the internal diameter of said bulge loop 51 is less than the internal diameter at said flange 50 all the other positions; Said heat is chewed 40 roots and is had boss 43, and the bulge loops 51 in the flange 50 are placed on the said boss 43, like this, makes heat chew 40 and carries out contacting of small size with flange 50, can make heat chew 40 the least possible being lost on the template of heat.Can effectively evenly be delivered to whole heat and chew 40 in order to make heat chew heat on 40, said heat is chewed 40 and is adopted the good metal material of heat conductivilitys to process.
The TOP-TIP of the utility model, than present TOP-TIP, it does not have, and cold glue can take place, and has guaranteed product quality, has avoided the advantage of the system failure.
Claims (6)
1. the engineering plastics TOP-TIP comprises flow distribution plate (10), is positioned at the drive unit (20) of flow distribution plate (10) upper end; And the main nozzle (30) that is positioned at centre, flow distribution plate (10) upper end; Comprise that also the heat that is positioned at flow distribution plate (10) lower end chews (40), said heat is chewed (40) and is anchored on said flow distribution plate (10) lower end through flange (50), it is characterized in that; Said heat is chewed (40) outer surface and is offered holding tank (41), is inlaid with heating wire (42) in said holding.
2. engineering plastics TOP-TIP according to claim 1 is characterized in that, said holding tank (41) shape in the shape of a spiral is wound in heat and chews (40) outer surface.
3. engineering plastics TOP-TIP according to claim 2 is characterized in that, the cross sectional shape of said holding tank (41) is square, and the cross sectional shape of the cross sectional shape of said heating wire (42) and said holding tank (41) is complementary.
4. engineering plastics TOP-TIP according to claim 1 is characterized in that, it is identical that said heat is chewed the interior flow passage aperture of runner and flow distribution plate (10) in (40).
5. engineering plastics TOP-TIP according to claim 1 is characterized in that, the root of said flange (50) has bulge loop (51), and the internal diameter of said bulge loop (51) is less than the internal diameter at all the other positions of said flange (50); Said heat is chewed (40) root and is had boss (43), and the bulge loop (51) in the flange (50) is placed on the said boss (43).
6. engineering plastics TOP-TIP according to claim 1 is characterized in that, said heat is chewed (40) and adopted the good metal material of heat conductivility to process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120381526 CN202318785U (en) | 2011-10-10 | 2011-10-10 | Hot runner system for engineering plastics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120381526 CN202318785U (en) | 2011-10-10 | 2011-10-10 | Hot runner system for engineering plastics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202318785U true CN202318785U (en) | 2012-07-11 |
Family
ID=46430780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120381526 Expired - Lifetime CN202318785U (en) | 2011-10-10 | 2011-10-10 | Hot runner system for engineering plastics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202318785U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102358000A (en) * | 2011-10-10 | 2012-02-22 | 柳道万和(苏州)热流道系统有限公司 | Plastic hot runner system for dene project |
| CN106601868A (en) * | 2016-12-05 | 2017-04-26 | 湖南红太阳光电科技有限公司 | Solar cell anti-light-decay method and anti-light-decay annealing furnace |
| CN108454028A (en) * | 2018-03-07 | 2018-08-28 | 柳道万和(苏州)热流道系统有限公司 | Hot nozzle structure |
-
2011
- 2011-10-10 CN CN 201120381526 patent/CN202318785U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102358000A (en) * | 2011-10-10 | 2012-02-22 | 柳道万和(苏州)热流道系统有限公司 | Plastic hot runner system for dene project |
| CN106601868A (en) * | 2016-12-05 | 2017-04-26 | 湖南红太阳光电科技有限公司 | Solar cell anti-light-decay method and anti-light-decay annealing furnace |
| CN108454028A (en) * | 2018-03-07 | 2018-08-28 | 柳道万和(苏州)热流道系统有限公司 | Hot nozzle structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |