CN203957274U - The quick colour changing nozzle head of hot runner pin-point gate - Google Patents
The quick colour changing nozzle head of hot runner pin-point gate Download PDFInfo
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- CN203957274U CN203957274U CN201420284551.0U CN201420284551U CN203957274U CN 203957274 U CN203957274 U CN 203957274U CN 201420284551 U CN201420284551 U CN 201420284551U CN 203957274 U CN203957274 U CN 203957274U
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- nozzle
- spreader
- gland
- hot runner
- colour changing
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Abstract
The utility model provides a kind of hot runner pin-point gate quick colour changing nozzle head, comprises nozzle spreader and nozzle gland.On nozzle spreader axle center, have the solation road that is communicated with top, the lower end of nozzle spreader is shunk and is formed shuttle shape guide part to axis direction, and the bottom surrounding of guide part is evenly distributed with the discharge opening being connected with solation road.Nozzle gland inside has gland chamber, and nozzle spreader is coaxially fixed in gland chamber, and forms runner between gland chamber and guide part.
Description
Technical field
The utility model relates to hot runner mould, and is particularly related to the quick colour changing nozzle head of a kind of hot runner pin-point gate.
Background technology
Hot runner mould is to utilize heater to make melt noncondensing mould all the time in runner.Have compared with traditional mould that forming period is short, conservation and the advantage such as waste product is few.So hot runner mould is in the world today, each industrially developed country and area all obtain applying very widely.And nozzle is the important component part of hot runner mould.
Existing nozzle, has larger space between discharging opening and die cavity sprue.In the time of cast, first fill the space between discharging opening position and die cavity sprue from jet hole injection molding material out, then just can inject in die cavity sprue, away from the injection molding material at discharging opening place due to do not flow and temperature lower, after casting complete, can condense, produce buildup.In the time that needs are changed injection molding material, the buildup at discharge opening place can exert an influence to the color of new injection molding material and performance, thereby has influence on color and the quality of product after moulding.
Utility model content
The utility model, in order to overcome the deficiencies in the prior art, provides a kind of hot runner pin-point gate quick colour changing nozzle head.
To achieve these goals, the utility model provides a kind of hot runner pin-point gate quick colour changing nozzle head, comprises nozzle spreader and nozzle gland.On nozzle spreader axle center, have the solation road that is communicated with top, the lower end of nozzle spreader is shunk and is formed shuttle shape guide part to axis direction, and the bottom surrounding of guide part is evenly distributed with the discharge opening being connected with solation road.Nozzle gland inside has gland chamber, and nozzle spreader is coaxially fixed in gland chamber, and forms runner between gland chamber and guide part.
In the utility model one embodiment, the axis of discharge opening parallels with the axis of nozzle spreader, and described multiple discharge opening is evenly distributed on the surrounding of nozzle spreader.
In the utility model one embodiment, the quick colour changing nozzle head of hot runner pin-point gate also comprises thermal insulation layer, and thermal insulation layer is to lower and upper coated nozzle gland.
In sum, the quick colour changing nozzle head of hot runner pin-point gate that the utility model provides compared with prior art, has the following advantages:
Solation road in plastic warp nozzle spreader after melting flows into coupled discharge opening.And runner through between gland chamber and guide part flows in die cavity inlet.In this structure, discharge opening does not directly contact with die cavity inlet.Runner small volume, thermal and insulating performance is better, and the flow velocity of injection molding material is also larger, thereby plastics in whole injection moulding process are flowed at the runner of small volume, can in runner, not produce buildup, is convenient to injection molding material colour changing.And nozzle gland also can play to nozzle spreader the effect of insulation.
In addition, better for the injection molding material flow uniformity that makes to flow out from discharge opening, the axially perpendicular of the axis of discharge opening and nozzle spreader is set, and multiple discharge opening is evenly distributed on the surrounding of nozzle spreader.
For above-mentioned and other objects, features and advantages of the present utility model can be become apparent, preferred embodiment cited below particularly, and coordinate accompanying drawing, be described in detail below.
Brief description of the drawings
Structural representation while Figure 1 shows that the quick colour changing nozzle head of the hot runner pin-point gate injection moulding that the utility model one embodiment provides.
Figure 2 shows that the assembling schematic diagram of the quick colour changing nozzle head of hot runner pin-point gate that the utility model one embodiment provides.
Figure 3 shows that the structural representation of the nozzle spreader that the utility model one embodiment provides.
Figure 4 shows that the structural representation of the nozzle gland that the utility model one embodiment provides.
Detailed description of the invention
Structural representation while Figure 1 shows that the quick colour changing nozzle head of the hot runner pin-point gate injection moulding that the utility model one embodiment provides.Figure 2 shows that the assembling schematic diagram of the quick colour changing nozzle head of hot runner pin-point gate that the utility model one embodiment provides.Figure 3 shows that the structural representation of the nozzle spreader that the utility model one embodiment provides.Figure 4 shows that the structural representation of the nozzle gland that the utility model one embodiment provides.See also Fig. 1 to Fig. 4.
The quick colour changing nozzle head of hot runner pin-point gate that the present embodiment provides comprises nozzle spreader 1 and nozzle gland 2.On nozzle spreader 1 axle center, have the solation road 11 that is communicated with top, the lower end of nozzle spreader 1 is shunk and is formed shuttle shape guide part 12 to axis direction, and the bottom surrounding of guide part 12 is evenly distributed with the discharge opening 13 being connected with solation road 11.Nozzle gland 2 inside have gland chamber 21, and nozzle spreader 1 is coaxially fixed in gland chamber 21, and formation runner 3 between gland chamber 21 and guide part 12.
In the time of injection moulding, injection molding material enters in solation road 11 through the charging aperture at nozzle spreader 1 top, and enters in runner 3 through the discharge opening 13 being connected with solation road 11.Under the guide effect of shuttle shape guide part 12, injection molding material flows into die cavity inlet along runner 3.Should be in this structure, discharge opening 13 does not directly contact with die cavity inlet.Runner 3 small volumes, thermal and insulating performance is better, and the flow velocity of injection molding material is also larger, thereby plastics in whole injection moulding process are flowed at the runner 3 of small volume, can in runner, not produce buildup.In the time changing injection molding material, user, without cleaning buildup, can realize the injection molding material of quick-replaceable different colours.
In addition, traditional nozzle is in injection moulding process, and nozzle discharge opening directly contacts with die cavity inlet, and the temperature at nozzle place is delivered in die cavity fast.Not only make the injection molding material at nozzle discharge opening place solidify, and increased the temperature of die cavity, extended the cool time of die cavity.And the quick colour changing nozzle head of the hot runner pin-point gate that the present embodiment provides, nozzle spreader 1 does not directly contact with die cavity inlet, nozzle gland 2 also plays the effect of insulation to nozzle spreader 1, thereby the injection molding material that discharge opening 13 flows out is not easy to solidify generation buildup.
In the present embodiment, the axis of discharge opening 13 parallels with the axis of nozzle spreader 1, and multiple discharge openings 13 are evenly distributed on the surrounding of nozzle spreader 1.This structure makes flowing of injection molding material more even.In the present embodiment, the quantity of discharge opening 13 is four.But the utility model is not limited in any way this.
In the present embodiment, the quick colour changing nozzle head of hot runner pin-point gate also comprises thermal insulation layer 4, and thermal insulation layer 4 is to lower and upper coated nozzle gland 2.In the present embodiment, thermal insulation layer 4 is to form by the mode of injection moulding.The envelope material of composition thermal insulation layer 4 through solation road 11, discharge opening 13 and runner 3 be coated on the lateral wall of nozzle gland, further reduces scattering and disappearing of nozzle spreader 1 place's heat.
In sum, the quick colour changing nozzle head of hot runner pin-point gate that the utility model provides compared with prior art, has the following advantages:
Solation road 11 in plastic warp nozzle spreader 1 after melting flows into coupled discharge opening 13.And runner 3 through between gland chamber 21 and guide part 12 flows in die cavity inlet.In this structure, discharge opening 13 does not directly contact with die cavity inlet.Runner 3 small volumes, thermal and insulating performance is better, and the flow velocity of injection molding material is also larger, thereby plastics in whole injection moulding process are flowed at the runner 3 of small volume, can, in the interior generation buildup of runner 3, not be convenient to injection molding material colour changing.And nozzle gland 2 also can play to nozzle spreader 1 effect of insulation.
In addition, better for the injection molding material flow uniformity that makes to flow out from discharge opening 13, the axially perpendicular of the axis of discharge opening 13 and nozzle spreader 1 is set, and multiple discharge opening 13 is evenly distributed on the surrounding of nozzle spreader.
Although the utility model is disclosed as above by preferred embodiment; but not in order to limit the utility model; anyly know this skill person; not departing from spirit and scope of the present utility model; can do a little change and retouching, therefore protection domain of the present utility model is when being as the criterion depending on claims scope required for protection.
Claims (3)
1. the quick colour changing nozzle head of hot runner pin-point gate, is characterized in that, comprising:
Nozzle spreader, has the solation road that is communicated with top on axle center, the lower end of described nozzle spreader is shunk and formed shuttle shape guide part to axis direction, and the bottom surrounding of described guide part is evenly distributed with the multiple discharge openings that are connected with described solation road;
Nozzle gland, inside has gland chamber, and described nozzle spreader is coaxially fixed in described gland chamber, and forms runner between described gland chamber and guide part.
2. the quick colour changing nozzle head of hot runner pin-point gate according to claim 1, is characterized in that, the axis of described discharge opening parallels with the axis of described nozzle spreader, and described multiple discharge opening is evenly distributed on the surrounding of nozzle spreader.
3. the quick colour changing nozzle head of hot runner pin-point gate according to claim 1, is characterized in that, the quick colour changing nozzle head of described hot runner pin-point gate also comprises thermal insulation layer, and described thermal insulation layer is to lower and upper coated described nozzle gland.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420284551.0U CN203957274U (en) | 2014-05-30 | 2014-05-30 | The quick colour changing nozzle head of hot runner pin-point gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420284551.0U CN203957274U (en) | 2014-05-30 | 2014-05-30 | The quick colour changing nozzle head of hot runner pin-point gate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203957274U true CN203957274U (en) | 2014-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420284551.0U Active CN203957274U (en) | 2014-05-30 | 2014-05-30 | The quick colour changing nozzle head of hot runner pin-point gate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111940158A (en) * | 2020-08-15 | 2020-11-17 | 福建省统一环保科技有限公司 | Capsule type glue supplying and controlling spray gun |
| CN113969347A (en) * | 2020-07-23 | 2022-01-25 | 中冶长天国际工程有限责任公司 | Nozzle, blowing structure and control method of blowing structure |
-
2014
- 2014-05-30 CN CN201420284551.0U patent/CN203957274U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113969347A (en) * | 2020-07-23 | 2022-01-25 | 中冶长天国际工程有限责任公司 | Nozzle, blowing structure and control method of blowing structure |
| CN113969347B (en) * | 2020-07-23 | 2023-04-28 | 中冶长天国际工程有限责任公司 | Nozzle, blowing structure and control method of blowing structure |
| CN111940158A (en) * | 2020-08-15 | 2020-11-17 | 福建省统一环保科技有限公司 | Capsule type glue supplying and controlling spray gun |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 312351 Zhejiang, Shangyu, Dongguan Street South industrial functional areas Patentee after: Zhejiang Hot Runner Technology Co., Ltd. Address before: 312351 Shaoxing, Dongguan City, Shangyu City Industrial Zone South Street Patentee before: Shangyu Snake Hot Runner Co., Ltd. |