CN207373609U - colour changing hot runner system - Google Patents
colour changing hot runner system Download PDFInfo
- Publication number
- CN207373609U CN207373609U CN201721238619.1U CN201721238619U CN207373609U CN 207373609 U CN207373609 U CN 207373609U CN 201721238619 U CN201721238619 U CN 201721238619U CN 207373609 U CN207373609 U CN 207373609U
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- CN
- China
- Prior art keywords
- guide sleeve
- flow guide
- flow
- pressure block
- centre bore
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Abstract
The utility model is related to a kind of colour changing Hot Runner System, include the second hot mouth and the second flow distribution plate；Second hot mouth is vertically situated in the second template；The upper end of second hot mouth is provided with flow guide sleeve mounting hole；Flow guide sleeve is vertically provided in second flow distribution plate；In the lower part insertion flow guide sleeve mounting hole of the flow guide sleeve；The top of the flow guide sleeve is threadedly secured in flow guide sleeve fixing nut；Spiral flow channel is provided on the lower end excircle of the flow guide sleeve；The spiral flow channel is connected with flow guide sleeve mounting hole；The upper surface of second flow distribution plate is provided with pressure block on second；The top of the flow guide sleeve fixing nut is threadedly secured in the lower part of pressure block on second；The second air cylinder board is provided on described second on pressure block；The second cylinder is vertically arranged in second air cylinder board；The utility model pressure loss when plastics flow through flow guide sleeve is small, plastics noresidue, Non-carbonized problem, easy colour changing, and colour changing mould time is small, at low cost.
Description
Technical field
The utility model is related to a kind of improvement of Hot Runner System, refer in particular to pressure loss when a kind of plastics flow through flow guide sleeve
It is small, plastics noresidue, Non-carbonized problem, easy colour changing, small, the at low cost colour changing Hot Runner System of colour changing mould time.
Background technology
As shown in attached drawing 1-4, split needle-valve Hot Runner System of the prior art includes the first hot mouth 10；Described first
Hot mouth 10 is vertically situated in the first template 9；The upper end of first hot mouth 10 is provided with hot mouth flow guide sleeve mounting hole 8；
Hot mouth flow guide sleeve 7 is installed in the hot mouth flow guide sleeve mounting hole 8；The central part of the hot mouth flow guide sleeve 7 is provided with hot mouth and leads
Stream set centre bore 71；The upper end of the hot mouth flow guide sleeve 7 is equably provided with hot mouth flow guide sleeve through hole 72；The hot mouth water conservancy diversion
Set through hole 72 is connected with hot mouth flow guide sleeve mounting hole 8；The first flow distribution plate 6 is provided on the upper surface of the hot mouth flow guide sleeve 7；Institute
It states in the first flow distribution plate 6 and is vertically provided with flow distribution plate mold insert 4；The central part of the flow distribution plate mold insert 4 is provided with flow distribution plate edge
Part centre bore 42；Feeding-passage 41 is provided on the outer wall of the flow distribution plate mold insert 4；The feeding-passage 41 and hot mouth flow guide sleeve
Through hole 72 connects；The hot mouth flow guide sleeve centre bore 71 is connected with flow distribution plate mold insert centre bore 42；First flow distribution plate 6 it is upper
Surface is provided with pressure block 3 on first；The central part of pressure block 3 is provided with pressure block centre bore 32 on first on described first；
The outside of pressure block centre bore 32 is equably provided with mounting hole 31 on described first；It can be by pressure-bearing on first by mounting hole 31
Block 3 is fixed on the upper surface of flow distribution plate mold insert 4；Pressure block centre bore 32 connects with flow distribution plate mold insert centre bore 42 on described first
It is logical；The first air cylinder board 2 is provided on described first on pressure block 3；The first cylinder-bore is vertically arranged in first air cylinder board 2
（It does not mark）；The first cylinder 1 is provided in first cylinder-bore；Pressure block centre bore 32 on first cylinder 1 and first
Connection.
Since flow distribution plate mold insert 4 is embedded in the first flow distribution plate 6,4 lower surface of flow distribution plate mold insert and hot mouth flow guide sleeve 7
Upper surface coordinates, and the lower surface and side of hot mouth flow guide sleeve 7 are matched somebody with somebody with the hot mouth flow guide sleeve mounting hole 8 of 10 upper end of the first hot mouth
It closes, high temperature plastics is shunted from 6 runner of the first flow distribution plate by flow distribution plate mold insert 4, then is imported in hot mouth flow guide sleeve 7, by hot mouth
Flow guide sleeve 7 is injected in the first hot mouth 10, since flow distribution plate mold insert 4 and hot mouth flow guide sleeve 7 are all plane cooperations, when the first template 9
When pressure-bearing facial disfigurement or the first hot mouth 10 deform, it is easy for causing mating surface leak adhesive.The big end of hot mouth flow guide sleeve 7 has multiple glue excessively
Hole, when product colour changing are difficult to change clean, influence product quality, waste raw material.
For this purpose, we have developed pressure loss when a kind of plastics flow through flow guide sleeve small, plastics noresidue, Non-carbonized problem,
Easy colour changing, small, the at low cost colour changing Hot Runner System of colour changing mould time.
Utility model content
The utility model aim is to provide pressure when a kind of plastics flow through flow guide sleeve for overcome the deficiencies in the prior art
Lose small, plastics noresidue, Non-carbonized problem, easy colour changing, small, the at low cost colour changing Hot Runner System of colour changing mould time.
In order to achieve the above objectives, the technical solution adopted in the utility model is：Colour changing Hot Runner System includes the second hot mouth
With the second flow distribution plate；Second hot mouth is vertically situated in the second template；The upper end of second hot mouth, which is provided with, leads
Stream set mounting hole；Flow guide sleeve is vertically provided in second flow distribution plate；The lower part insertion flow guide sleeve installation of the flow guide sleeve
Kong Zhong；The central part of the flow guide sleeve is provided with flow guide sleeve centre bore；The top of the flow guide sleeve is threadedly secured in flow guide sleeve and consolidates
Determine in nut；The central part of the flow guide sleeve fixing nut is provided with flow guide sleeve fixing nut centre bore；The flow guide sleeve is fixed
Nut centre bore is connected with flow guide sleeve centre bore；Spiral flow channel is provided on the lower end excircle of the flow guide sleeve；The spiral shell
Rotation shape runner is connected with flow guide sleeve mounting hole；The upper surface of second flow distribution plate is provided with pressure block on second；Described second
The central part of upper pressure block is provided with pressure block centre bore on second；The top of the flow guide sleeve fixing nut is threadedly secured in
The lower part of pressure block on two；Pressure block centre bore is connected with flow guide sleeve fixing nut centre bore on described second；On described second
The second air cylinder board is provided on pressure block；The second cylinder-bore is vertically arranged in second air cylinder board；Second cylinder-bore
Inside it is provided with the second cylinder；Second cylinder is connected with pressure block centre bore on second.
Preferably, the top of the flow guide sleeve fixing nut is threadedly secured on second in the counterbore of the lower part of pressure block.
Preferably, the top screw thread of the flow guide sleeve is not located at the upper end of the flow guide sleeve.
Due to the utilization of above-mentioned technical proposal, the utility model has following advantages compared with prior art：
Flow guide sleeve is initially charged with into the second flow distribution plate in colour changing Hot Runner System described in the utility model, then uses flow guide sleeve
Fixing nut, which is tightened, pushes down flow guide sleeve, then pushes down flow guide sleeve fixing nut with pressure-bearing cushion block on second, prevents from loosening；Second heat
One end of mouth uses helicitic texture, and one end of screw thread is screwed into the second flow distribution plate, forms the seal assembly of a runner transition, this group
The sealing effect of part is good, and runner corner does not have dead angle, and plastics noresidue solves split type flow guide sleeve and is easily deformed leak adhesive and changes
The ineffective problem of color；Meanwhile the flow path groove of flow guide sleeve uses streamline structure, the pressure loss is small when plastics flow through flow guide sleeve,
Plastics noresidue, Non-carbonized problem, easy colour changing, colour changing mould time is small, saves material, cost-effective.
Description of the drawings
Technical solutions of the utility model are described further below in conjunction with the accompanying drawings：
Attached drawing 1 is the schematic diagram of the split needle-valve Hot Runner System of the prior art；
Attached drawing 2 for the prior art split needle-valve Hot Runner System in first on pressure block enlarged diagram；
Attached drawing 3 is the enlarged diagram of the flow distribution plate mold insert in the split needle-valve Hot Runner System of the prior art；
Attached drawing 4 is the enlarged diagram of the hot mouth flow guide sleeve in the split needle-valve Hot Runner System of the prior art；
Attached drawing 5 is the schematic diagram of colour changing Hot Runner System described in the utility model；
Attached drawing 6 is the enlarged diagram of pressure block on second in colour changing Hot Runner System described in the utility model；
Attached drawing 7 is the enlarged diagram of flow guide sleeve fixing nut in colour changing Hot Runner System described in the utility model；
Attached drawing 8 is the enlarged diagram of flow guide sleeve in colour changing Hot Runner System described in the utility model；
Wherein：1st, the first cylinder；2nd, the first air cylinder board；3rd, pressure block on first；4th, flow distribution plate mold insert；6th, the first shunting
Plate；7th, hot mouth flow guide sleeve；8th, hot mouth flow guide sleeve mounting hole；9th, the first template；10th, the first hot mouth；31st, mounting hole；32nd, on first
Pressure block centre bore；41st, feeding-passage；42nd, flow distribution plate mold insert centre bore 42；71st, hot mouth flow guide sleeve centre bore；72nd, hot mouth is led
Stream set through hole；11st, the second cylinder；12nd, the second air cylinder board；13rd, pressure block on second；14th, flow guide sleeve fixing nut；15th, water conservancy diversion
Set；16th, the second flow distribution plate；17th, flow guide sleeve mounting hole；18th, the second hot mouth；19th, the second template；141st, in flow guide sleeve fixing nut
Heart hole；151st, spiral flow channel；152nd, flow guide sleeve centre bore.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment the utility model is described in further detail.
Attached drawing 5-8 is colour changing Hot Runner System described in the utility model, includes the second hot mouth 18 and the second flow distribution plate 16；
Second hot mouth 18 is vertically situated in the second template 19；The upper end of second hot mouth 18 is provided with flow guide sleeve installation
Hole 17；Flow guide sleeve 15 is vertically provided in second flow distribution plate 16；The lower part insertion flow guide sleeve installation of the flow guide sleeve 15
In hole 17；The central part of the flow guide sleeve 15 is provided with flow guide sleeve centre bore 152；The top of the flow guide sleeve 15 is threadedly secured in
In flow guide sleeve fixing nut 14；The central part of the flow guide sleeve fixing nut 14 is provided with flow guide sleeve fixing nut centre bore 141；
The flow guide sleeve fixing nut centre bore 141 is connected with flow guide sleeve centre bore 152；It is set on the lower end excircle of the flow guide sleeve 15
It is equipped with spiral flow channel 151；The spiral flow channel 151 is connected with flow guide sleeve mounting hole 17；Second flow distribution plate 16 it is upper
Surface is provided with pressure block 13 on second；The central part of pressure block 13 is provided with pressure block centre bore on second on described second
（It does not mark）；The top of the flow guide sleeve fixing nut 14 is threadedly secured in the lower part of pressure block 13 on second；On described second
Pressure block centre bore 32 is connected with flow guide sleeve fixing nut centre bore 141；The second gas is provided on described second on pressure block 13
Cylinder plate 12；The second cylinder-bore is vertically arranged in second air cylinder board 12（It does not mark）；It is provided in second cylinder-bore
Second cylinder 11；Second cylinder 11 is connected with pressure block centre bore on second.
The top of the flow guide sleeve fixing nut 14 is threadedly secured in the counterbore of the lower part of pressure block 13 on second（It does not mark
Go out）It is interior.
The top screw thread of the flow guide sleeve 15（It does not mark）It is not located at the upper end of the flow guide sleeve 15.
Due to the utilization of above-mentioned technical proposal, the utility model has following advantages compared with prior art：
Flow guide sleeve is initially charged with into the second flow distribution plate in colour changing Hot Runner System described in the utility model, then uses flow guide sleeve
Fixing nut, which is tightened, pushes down flow guide sleeve, then pushes down flow guide sleeve fixing nut with pressure-bearing cushion block on second, prevents from loosening；Second heat
One end of mouth uses helicitic texture, and one end of screw thread is screwed into the second flow distribution plate, forms the seal assembly of a runner transition, this group
The sealing effect of part is good, and runner corner does not have dead angle, and plastics noresidue solves split type flow guide sleeve and is easily deformed leak adhesive and changes
The ineffective problem of color；Meanwhile the flow path groove of flow guide sleeve uses streamline structure, the pressure loss is small when plastics flow through flow guide sleeve,
Plastics noresidue, Non-carbonized problem, easy colour changing, colour changing mould time is small, saves material, cost-effective.
It the above is only the concrete application example of the utility model, do not form any limit to the scope of protection of the utility model
System.All technical solutions formed using equivalent transformation or equivalent replacement, all fall within the utility model rights protection scope it
It is interior.
Claims (3)
1. colour changing Hot Runner System includes the second hot mouth and the second flow distribution plate；Second hot mouth is vertically situated at the second mould
In plate；The upper end of second hot mouth is provided with flow guide sleeve mounting hole；Water conservancy diversion is vertically provided in second flow distribution plate
Set；In the lower part insertion flow guide sleeve mounting hole of the flow guide sleeve；The central part of the flow guide sleeve is provided with flow guide sleeve centre bore；Its
It is characterized in that：The top of the flow guide sleeve is threadedly secured in flow guide sleeve fixing nut；The center of the flow guide sleeve fixing nut
Portion is provided with flow guide sleeve fixing nut centre bore；The flow guide sleeve fixing nut centre bore is connected with flow guide sleeve centre bore；It is described
Spiral flow channel is provided on the lower end excircle of flow guide sleeve；The spiral flow channel is connected with flow guide sleeve mounting hole；Described
The upper surface of two flow distribution plates is provided with pressure block on second；The central part of pressure block is provided with pressure block on second on described second
Centre bore；The top of the flow guide sleeve fixing nut is threadedly secured in the lower part of pressure block on second；Pressure block on described second
Centre bore is connected with flow guide sleeve fixing nut centre bore；The second air cylinder board is provided on described second on pressure block；Described second
The second cylinder-bore is vertically arranged in air cylinder board；The second cylinder is provided in second cylinder-bore；Second cylinder and
Pressure block centre bore connects on two.
2. colour changing Hot Runner System according to claim 1, it is characterised in that：The top spiral shell of the flow guide sleeve fixing nut
Line is fixed on second in the counterbore of the lower part of pressure block.
3. colour changing Hot Runner System according to claim 1, it is characterised in that：The top screw thread of the flow guide sleeve is not located at
The upper end of the flow guide sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721238619.1U CN207373609U (en) | 2017-09-26 | 2017-09-26 | colour changing hot runner system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721238619.1U CN207373609U (en) | 2017-09-26 | 2017-09-26 | colour changing hot runner system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207373609U true CN207373609U (en) | 2018-05-18 |
Family
ID=62340877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721238619.1U Active CN207373609U (en) | 2017-09-26 | 2017-09-26 | colour changing hot runner system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207373609U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108381870A (en) * | 2017-09-26 | 2018-08-10 | 蒋米娜 | colour changing hot runner system |
-
2017
- 2017-09-26 CN CN201721238619.1U patent/CN207373609U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108381870A (en) * | 2017-09-26 | 2018-08-10 | 蒋米娜 | colour changing hot runner system |
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