CN202129947U - Split-flow injection-moulding device for hot runner - Google Patents
Split-flow injection-moulding device for hot runner Download PDFInfo
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- CN202129947U CN202129947U CN201120245201U CN201120245201U CN202129947U CN 202129947 U CN202129947 U CN 202129947U CN 201120245201 U CN201120245201 U CN 201120245201U CN 201120245201 U CN201120245201 U CN 201120245201U CN 202129947 U CN202129947 U CN 202129947U
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- mould
- pedestal
- hot runner
- flow path
- split
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Abstract
The utility model discloses a split-flow injection-moulding device for a hot runner, which comprises a pedestal, an insulating plate installed on the pedestal, a flange installed at the middle part of the insulating plat, a runner plate installed below the insulating plate, a heat nozzle installed below the runner plate, an oblique roof installed on the pedestal, a rear mould columbium installed on the lateral surface of the oblique roof and fixed to the pedestal, a front mould installed at the upper part of the oblique roof, and an acuator is installed between the front mould and the rear mould columbium. The split-flow injection-moulding device for the hot runner has good melt flowability, uniform density and product surface quality, reduces the production cost, is convenient for use, shortens the moulding period of the work pieces, contributes to automatic production, and can be widely applied to injection-moulders.
Description
Technical field the present invention relates to a kind of hot flow path shunting injection moulding apparatus, can be widely used in the injection machine.
The existing plastic injection-moulded device of background technology, poor because of fluidity of molten, melt can not fully arrive the part away from cast gate; The product deformation extent is big, and the loss of runner internal pressure is big, and density unevenness is even; Moulding is prone to produce defectives such as overlap, size instability and aberration, product surface poor quality.
Summary of the invention the object of the present invention is to provide a kind of fluidity of molten, density evenly, the product surface quality better, reduce product cost, easy to use, shorten the product molding cycle, help the hot flow path shunting injection moulding apparatus of the production automation.
In order to achieve the above object, hot flow path shunting injection moulding apparatus of the present invention comprises base; Be installed in the thermal insulation board on the base, be installed in the flange at thermal insulation board middle part, be installed in the shunting guidance tape of thermal insulation board below; The heat that is installed in shunting guidance tape below is chewed, and is installed in the oblique top on the base, is installed in oblique top side face and is fixed on the back mould columbium on the base; Be installed in the front mould on Xie Ding top, be installed in the row position between front mould and the back mould columbium.
Hot flow path shunting injection moulding apparatus of the present invention, its operation principle is: molten plastic gets into the shunting guidance tape by the injector nozzle, is diverted to each heat through the shunting guidance tape again and chews, and last molten plastic is chewed by each heat and is injected each die cavity simultaneously, accomplishes and fills; Injection machine pressurize density, behind the goods cooling and shaping, the mold closing mechanism of injection machine drives mould dynamic model part partly to be separated with cover half, and the liftout attachment of injection machine action then ejects plastic.
Hot flow path shunting injection moulding apparatus of the present invention; So-called hot runner molding is meant that the plastics that are sent to cast gate from the injector nozzle remain molten condition; When each die sinking, need not solidify as waste material and take out, the melt that is trapped in the running gate system can be injected into die cavity when injecting again.The effect of TOP-TIP is exactly to deliver to each cast gate in the mould to material.
Hot flow path shunting injection moulding apparatus of the present invention adopts the runner plate structure, when the wall thickness of product approaches, guarantees that melt can fully arrive the part away from cast gate, significantly reduces the product deformation extent, improves product surface quality and surface aesthetic degree, uniformity.The loss of runner internal pressure is little, and fluidity of molten is good, and the density easy and uniform avoids moulding to produce defectives such as overlap, size instability and aberration, improves the product surface quality.
Hot flow path shunting injection moulding apparatus of the present invention is accurately controlled melt plastic cement temperature, has eliminated the degraded of material, makes the dwell time more reasonable, and the moulding uniform quality of multi-cavity mold reduces the product internal stress, improves mechanical property, reduces waste product.
Hot flow path shunting injection moulding apparatus of the present invention, whole forming process full automation is saved the working time, increases work efficiency.
Hot flow path shunting injection moulding apparatus of the present invention, the hot runner temperature equates with injection machine nozzle temperature, has avoided the surface condensation phenomenon of raw material in running channel, the injection pressure loss is little.
Hot flow path shunting injection moulding apparatus of the present invention adopts TOP-TIP, can reduce raw-material loss, thereby reduce product cost.Temperature and pressure are even in die cavity, and plastic stress is little, and density is even, under less injection pressure, in the short molding time, inject than the better product of general adapted to injection system.More can show its advantage for transparent member, thin part, large-scale plastic parts or high request plastic, and can produce big product with less type.
Hot flow path shunting injection moulding apparatus of the present invention adopts the hot runner manifold structure, and easy to use, steady quality is reliable.
Hot flow path shunting injection moulding apparatus of the present invention, owing to be provided with TOP-TIP, the cool time of plastic and the opening stroke of mould all can shorten, thereby can shorten molding cycle.According to statistics, compare with common flow passage, the molding cycle of hot runner mould generally can shorten about 30%.Because of there not being the runner system restriction of cool time, just can in time eject behind the product forming and hardening, many thin-walled parts molding cycles with hot runner mould production can be below 5 seconds.In hot runner mould, because of there not being cold pouring channel, so there is not production waste, this application item meaning for the plastics expensive is especially great.Therefore, the hot flow path technology is to reduce the effective way that the expense material reduces fee of material, shortens the product molding cycle.
Hot flow path shunting injection moulding apparatus of the present invention; In the hot runner mould forming process, the plastic melt temperature is accurately controlled in flow passage system, and plastics flow into each die cavity with uniform state; Thereby can obtain high-quality part; And good with the Gate of Plastics quality of hot runner molding, residual stress is low after the demoulding, and part deformation is little.Therefore, improve the quality of products, reduce percent defective.
Hot flow path shunting injection moulding apparatus of the present invention; Product is finished product after the hot runner mould moulding, need not to prune cast gate and reclaim operations such as processing cold pouring channel, helps the production automation; Can hot flow path and automation be combined, so that enhance productivity significantly.Therefore, eliminate subsequent handling, help the production automation.
Hot flow path shunting injection moulding apparatus of the present invention does not coagulate material because of hot runner mould does not produce running channel, so, save plastic raw materials.
Hot flow path shunting injection moulding apparatus of the present invention enlarges the injection molding process range of application, not only can be used for the plastics of moulding melt temperature wider range, also can be used for the narrower thermal sensitivity plastics of processing and forming temperature range.
In sum, hot flow path shunting injection moulding apparatus of the present invention, fluidity of molten, density is even, and the product surface quality better reduces product cost, and is easy to use, shortens the product molding cycle, helps the production automation.
Description of drawings is done explanation further below in conjunction with accompanying drawing and embodiment to the present invention.
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the left view among Fig. 1.
The specific embodiment is in Fig. 1, Fig. 2, and hot flow path shunting injection moulding apparatus of the present invention comprises base 1; Be installed in the thermal insulation board 2 on the base, be installed in the flange 3 at thermal insulation board middle part, be installed in the shunting guidance tape 4 of thermal insulation board below; The heat that is installed in shunting guidance tape below chews 5, is installed in the oblique top 6 on the base, is installed in oblique top side face and is fixed on the back mould columbium 7 on the base; Be installed in the front mould 8 on Xie Ding top, be installed in the row position 9 between front mould and the back mould columbium.
Claims (1)
1. a hot flow path shunting injection moulding apparatus is characterized in that, comprises base; Be installed in the thermal insulation board on the base, be installed in the flange at thermal insulation board middle part, be installed in the shunting guidance tape of thermal insulation board below; The heat that is installed in shunting guidance tape below is chewed, and is installed in the oblique top on the base, is installed in oblique top side face and is fixed on the back mould columbium on the base; Be installed in the front mould on Xie Ding top, be installed in the row position between front mould and the back mould columbium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120245201U CN202129947U (en) | 2011-07-05 | 2011-07-05 | Split-flow injection-moulding device for hot runner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120245201U CN202129947U (en) | 2011-07-05 | 2011-07-05 | Split-flow injection-moulding device for hot runner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202129947U true CN202129947U (en) | 2012-02-01 |
Family
ID=45518730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120245201U Expired - Fee Related CN202129947U (en) | 2011-07-05 | 2011-07-05 | Split-flow injection-moulding device for hot runner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202129947U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104015303A (en) * | 2014-05-23 | 2014-09-03 | 苏州柏德纳科技有限公司 | Heat nozzle two-plate mold die |
| CN104972596A (en) * | 2014-04-01 | 2015-10-14 | 群达模具(深圳)有限公司 | Forming device and forming method for plastic product |
-
2011
- 2011-07-05 CN CN201120245201U patent/CN202129947U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104972596A (en) * | 2014-04-01 | 2015-10-14 | 群达模具(深圳)有限公司 | Forming device and forming method for plastic product |
| CN104972596B (en) * | 2014-04-01 | 2017-10-20 | 群达模具(深圳)有限公司 | The shaped device and its forming method of a kind of plastic member product |
| CN104015303A (en) * | 2014-05-23 | 2014-09-03 | 苏州柏德纳科技有限公司 | Heat nozzle two-plate mold die |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120201 Termination date: 20130705 |